+++ /dev/null
-// Copyright 2010 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package cgotest
-
-/*
-#include <stdio.h>
-
-typedef unsigned char Uint8;
-typedef unsigned short Uint16;
-
-typedef enum {
- MOD1 = 0x0000,
- MODX = 0x8000
-} SDLMod;
-
-typedef enum {
- A = 1,
- B = 322,
- SDLK_LAST
-} SDLKey;
-
-typedef struct SDL_keysym {
- Uint8 scancode;
- SDLKey sym;
- SDLMod mod;
- Uint16 unicode;
-} SDL_keysym;
-
-typedef struct SDL_KeyboardEvent {
- Uint8 typ;
- Uint8 which;
- Uint8 state;
- SDL_keysym keysym;
-} SDL_KeyboardEvent;
-
-void makeEvent(SDL_KeyboardEvent *event) {
- unsigned char *p;
- int i;
-
- p = (unsigned char*)event;
- for (i=0; i<sizeof *event; i++) {
- p[i] = i;
- }
-}
-
-int same(SDL_KeyboardEvent* e, Uint8 typ, Uint8 which, Uint8 state, Uint8 scan, SDLKey sym, SDLMod mod, Uint16 uni) {
- return e->typ == typ && e->which == which && e->state == state && e->keysym.scancode == scan && e->keysym.sym == sym && e->keysym.mod == mod && e->keysym.unicode == uni;
-}
-
-void cTest(SDL_KeyboardEvent *event) {
- printf("C: %#x %#x %#x %#x %#x %#x %#x\n", event->typ, event->which, event->state,
- event->keysym.scancode, event->keysym.sym, event->keysym.mod, event->keysym.unicode);
- fflush(stdout);
-}
-
-*/
-import "C"
-
-import (
- "testing"
-)
-
-func testAlign(t *testing.T) {
- var evt C.SDL_KeyboardEvent
- C.makeEvent(&evt)
- if C.same(&evt, evt.typ, evt.which, evt.state, evt.keysym.scancode, evt.keysym.sym, evt.keysym.mod, evt.keysym.unicode) == 0 {
- t.Error("*** bad alignment")
- C.cTest(&evt)
- t.Errorf("Go: %#x %#x %#x %#x %#x %#x %#x\n",
- evt.typ, evt.which, evt.state, evt.keysym.scancode,
- evt.keysym.sym, evt.keysym.mod, evt.keysym.unicode)
- t.Error(evt)
- }
-}
+++ /dev/null
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// API Compatibility Checks for cgo
-
-package cgotest
-
-// #include <stdlib.h>
-//
-// // Test for issue 17723.
-// typedef char *cstring_pointer;
-// static void cstring_pointer_fun(cstring_pointer dummy) { }
-//
-// const char *api_hello = "hello!";
-import "C"
-import "unsafe"
-
-func testAPI() {
- var cs *C.char
- cs = C.CString("hello")
- defer C.free(unsafe.Pointer(cs))
- var s string
- s = C.GoString((*C.char)(C.api_hello))
- s = C.GoStringN((*C.char)(C.api_hello), C.int(6))
- var b []byte
- b = C.GoBytes(unsafe.Pointer(C.api_hello), C.int(6))
- _, _ = s, b
- C.cstring_pointer_fun(nil)
-}
+++ /dev/null
-// Copyright 2010 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Basic test cases for cgo.
-
-package cgotest
-
-/*
-#include <stdio.h>
-#include <stdlib.h>
-#include <sys/stat.h>
-#include <errno.h>
-
-#define SHIFT(x, y) ((x)<<(y))
-#define KILO SHIFT(1, 10)
-#define UINT32VAL 0xc008427bU
-
-enum E {
- Enum1 = 1,
- Enum2 = 2,
-};
-
-typedef unsigned char cgo_uuid_t[20];
-
-void uuid_generate(cgo_uuid_t x) {
- x[0] = 0;
-}
-
-struct S {
- int x;
-};
-
-const char *cstr = "abcefghijklmnopqrstuvwxyzABCEFGHIJKLMNOPQRSTUVWXYZ1234567890";
-
-extern enum E myConstFunc(struct S* const ctx, int const id, struct S **const filter);
-
-enum E myConstFunc(struct S *const ctx, int const id, struct S **const filter) { return 0; }
-
-// issue 1222
-typedef union {
- long align;
-} xxpthread_mutex_t;
-
-struct ibv_async_event {
- union {
- int x;
- } element;
-};
-
-struct ibv_context {
- xxpthread_mutex_t mutex;
-};
-
-int add(int x, int y) {
- return x+y;
-};
-*/
-import "C"
-import (
- "runtime"
- "syscall"
- "testing"
- "unsafe"
-)
-
-const EINVAL = C.EINVAL /* test #define */
-
-var KILO = C.KILO
-
-func uuidgen() {
- var uuid C.cgo_uuid_t
- C.uuid_generate(&uuid[0])
-}
-
-func Strtol(s string, base int) (int, error) {
- p := C.CString(s)
- n, err := C.strtol(p, nil, C.int(base))
- C.free(unsafe.Pointer(p))
- return int(n), err
-}
-
-func Atol(s string) int {
- p := C.CString(s)
- n := C.atol(p)
- C.free(unsafe.Pointer(p))
- return int(n)
-}
-
-func testConst(t *testing.T) {
- C.myConstFunc(nil, 0, nil)
-}
-
-func testEnum(t *testing.T) {
- if C.Enum1 != 1 || C.Enum2 != 2 {
- t.Error("bad enum", C.Enum1, C.Enum2)
- }
-}
-
-func testAtol(t *testing.T) {
- l := Atol("123")
- if l != 123 {
- t.Error("Atol 123: ", l)
- }
-}
-
-func testErrno(t *testing.T) {
- p := C.CString("no-such-file")
- m := C.CString("r")
- f, err := C.fopen(p, m)
- C.free(unsafe.Pointer(p))
- C.free(unsafe.Pointer(m))
- if err == nil {
- C.fclose(f)
- t.Fatalf("C.fopen: should fail")
- }
- if err != syscall.ENOENT {
- t.Fatalf("C.fopen: unexpected error: %v", err)
- }
-}
-
-func testMultipleAssign(t *testing.T) {
- p := C.CString("234")
- n, m := C.strtol(p, nil, 345), C.strtol(p, nil, 10)
- if runtime.GOOS == "openbsd" {
- // Bug in OpenBSD strtol(3) - base > 36 succeeds.
- if (n != 0 && n != 239089) || m != 234 {
- t.Fatal("Strtol x2: ", n, m)
- }
- } else if n != 0 || m != 234 {
- t.Fatal("Strtol x2: ", n, m)
- }
- C.free(unsafe.Pointer(p))
-}
-
-var (
- cuint = (C.uint)(0)
- culong C.ulong
- cchar C.char
-)
-
-type Context struct {
- ctx *C.struct_ibv_context
-}
-
-func benchCgoCall(b *testing.B) {
- const x = C.int(2)
- const y = C.int(3)
- for i := 0; i < b.N; i++ {
- C.add(x, y)
- }
-}
-
-var sinkString string
-
-func benchGoString(b *testing.B) {
- for i := 0; i < b.N; i++ {
- sinkString = C.GoString(C.cstr)
- }
- const want = "abcefghijklmnopqrstuvwxyzABCEFGHIJKLMNOPQRSTUVWXYZ1234567890"
- if sinkString != want {
- b.Fatalf("%q != %q", sinkString, want)
- }
-}
-
-// Issue 2470.
-func testUnsignedInt(t *testing.T) {
- a := (int64)(C.UINT32VAL)
- b := (int64)(0xc008427b)
- if a != b {
- t.Errorf("Incorrect unsigned int - got %x, want %x", a, b)
- }
-}
-
-// Static (build-time) test that syntax traversal visits all operands of s[i:j:k].
-func sliceOperands(array [2000]int) {
- _ = array[C.KILO:C.KILO:C.KILO] // no type error
-}
-
-// set in cgo_thread_lock.go init
-var testThreadLockFunc = func(*testing.T) {}
+++ /dev/null
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Test that the #cgo CFLAGS directive works,
-// with and without platform filters.
-// See https://golang.org/issue/5224 for details.
-package cgotest
-
-/*
-#cgo CFLAGS: -DCOMMON_VALUE=123
-#cgo windows CFLAGS: -DIS_WINDOWS=1
-#cgo !windows CFLAGS: -DIS_WINDOWS=0
-int common = COMMON_VALUE;
-int is_windows = IS_WINDOWS;
-*/
-import "C"
-
-import (
- "runtime"
- "testing"
-)
-
-func testCflags(t *testing.T) {
- is_windows := C.is_windows == 1
- if is_windows != (runtime.GOOS == "windows") {
- t.Errorf("is_windows: %v, runtime.GOOS: %s", is_windows, runtime.GOOS)
- }
- if C.common != 123 {
- t.Errorf("common: %v (expected 123)", C.common)
- }
-}
// Stubs for tests that fails to build on Android
func test6997(t *testing.T) {}
-func test3775(t *testing.T) {}
func test8694(t *testing.T) {}
func testSigaltstack(t *testing.T) {}
+++ /dev/null
-// Copyright 2016 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Test a constant in conjunction with pointer checking.
-
-package cgotest
-
-/*
-#include <stdlib.h>
-
-#define CheckConstVal 0
-
-typedef struct {
- int *p;
-} CheckConstStruct;
-
-static void CheckConstFunc(CheckConstStruct *p, int e) {
-}
-*/
-import "C"
-
-import (
- "testing"
- "unsafe"
-)
-
-func testCheckConst(t *testing.T) {
- // The test is that this compiles successfully.
- p := C.malloc(C.size_t(unsafe.Sizeof(C.int(0))))
- defer C.free(p)
- C.CheckConstFunc(&C.CheckConstStruct{(*C.int)(p)}, C.CheckConstVal)
-}
+++ /dev/null
-// Copyright 2016 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package cgotest
-
-/*
-struct {
- float x;
- _Complex float y;
-} cplxAlign = { 3.14, 2.17 };
-*/
-import "C"
-
-import "testing"
-
-func TestComplexAlign(t *testing.T) {
- if C.cplxAlign.x != 3.14 {
- t.Errorf("got %v, expected 3.14", C.cplxAlign.x)
- }
- if C.cplxAlign.y != 2.17 {
- t.Errorf("got %v, expected 2.17", C.cplxAlign.y)
- }
-}
+++ /dev/null
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package cgotest
-
-// extern void doAdd(int, int);
-import "C"
-
-import (
- "runtime"
- "sync"
- "testing"
-)
-
-var sum struct {
- sync.Mutex
- i int
-}
-
-//export Add
-func Add(x int) {
- defer func() {
- recover()
- }()
- sum.Lock()
- sum.i += x
- sum.Unlock()
- var p *int
- *p = 2
-}
-
-func testCthread(t *testing.T) {
- if runtime.GOOS == "darwin" && (runtime.GOARCH == "arm" || runtime.GOARCH == "arm64") {
- t.Skip("the iOS exec wrapper is unable to properly handle the panic from Add")
- }
- sum.i = 0
- C.doAdd(10, 6)
-
- want := 10 * (10 - 1) / 2 * 6
- if sum.i != want {
- t.Fatalf("sum=%d, want %d", sum.i, want)
- }
-}
+++ /dev/null
-// Copyright 2010 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// This file contains test cases for cgo.
-
-package cgotest
-
-/*
-int base_symbol = 0;
-
-#define alias_one base_symbol
-#define alias_two base_symbol
-*/
-import "C"
-
-import "fmt"
-
-func duplicateSymbols() {
- fmt.Printf("%v %v %v\n", C.base_symbol, C.alias_one, C.alias_two)
-}
+++ /dev/null
-// Copyright 2011 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package cgotest
-
-/*
-#include <stdlib.h>
-*/
-import "C"
-import (
- "os"
- "runtime"
- "testing"
- "unsafe"
-)
-
-// This is really an os package test but here for convenience.
-func testSetEnv(t *testing.T) {
- if runtime.GOOS == "windows" {
- // Go uses SetEnvironmentVariable on windows. However,
- // C runtime takes a *copy* at process startup of the
- // OS environment, and stores it in environ/envp.
- // It is this copy that getenv/putenv manipulate.
- t.Logf("skipping test")
- return
- }
- const key = "CGO_OS_TEST_KEY"
- const val = "CGO_OS_TEST_VALUE"
- os.Setenv(key, val)
- keyc := C.CString(key)
- defer C.free(unsafe.Pointer(keyc))
- v := C.getenv(keyc)
- if uintptr(unsafe.Pointer(v)) == 0 {
- t.Fatal("getenv returned NULL")
- }
- vs := C.GoString(v)
- if vs != val {
- t.Fatalf("getenv() = %q; want %q", vs, val)
- }
-}
+++ /dev/null
-// Copyright 2011 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package cgotest
-
-import "C"
-import "runtime"
-
-//export ReturnIntLong
-func ReturnIntLong() (int, C.long) {
- return 1, 2
-}
-
-//export gc
-func gc() {
- runtime.GC()
-}
+++ /dev/null
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// This file contains test cases for cgo with function pointer variables.
-
-package cgotest
-
-/*
-typedef int (*intFunc) ();
-
-int
-bridge_int_func(intFunc f)
-{
- return f();
-}
-
-int fortytwo()
-{
- return 42;
-}
-
-*/
-import "C"
-import "testing"
-
-func callBridge(f C.intFunc) int {
- return int(C.bridge_int_func(f))
-}
-
-func callCBridge(f C.intFunc) C.int {
- return C.bridge_int_func(f)
-}
-
-func testFpVar(t *testing.T) {
- const expected = 42
- f := C.intFunc(C.fortytwo)
- res1 := C.bridge_int_func(f)
- if r1 := int(res1); r1 != expected {
- t.Errorf("got %d, want %d", r1, expected)
- }
- res2 := callCBridge(f)
- if r2 := int(res2); r2 != expected {
- t.Errorf("got %d, want %d", r2, expected)
- }
- r3 := callBridge(f)
- if r3 != expected {
- t.Errorf("got %d, want %d", r3, expected)
- }
-}
+++ /dev/null
-// Copyright 2011 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package cgotest
-
-// const char *greeting = "hello, world";
-import "C"
-
-import (
- "reflect"
- "testing"
- "unsafe"
-)
-
-const greeting = "hello, world"
-
-type testPair struct {
- Name string
- Got, Want interface{}
-}
-
-var testPairs = []testPair{
- {"GoString", C.GoString(C.greeting), greeting},
- {"GoStringN", C.GoStringN(C.greeting, 5), greeting[:5]},
- {"GoBytes", C.GoBytes(unsafe.Pointer(C.greeting), 5), []byte(greeting[:5])},
-}
-
-func testHelpers(t *testing.T) {
- for _, pair := range testPairs {
- if !reflect.DeepEqual(pair.Got, pair.Want) {
- t.Errorf("%s: got %#v, want %#v", pair.Name, pair.Got, pair.Want)
- }
- }
-}
+++ /dev/null
-// Copyright 2015 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Issue 10303. Pointers passed to C were not marked as escaping (bug in cgo).
-
-package cgotest
-
-import "runtime"
-
-/*
-typedef int *intptr;
-
-void setintstar(int *x) {
- *x = 1;
-}
-
-void setintptr(intptr x) {
- *x = 1;
-}
-
-void setvoidptr(void *x) {
- *(int*)x = 1;
-}
-
-typedef struct Struct Struct;
-struct Struct {
- int *P;
-};
-
-void setstruct(Struct s) {
- *s.P = 1;
-}
-
-*/
-import "C"
-
-import (
- "testing"
- "unsafe"
-)
-
-func test10303(t *testing.T, n int) {
- if runtime.Compiler == "gccgo" {
- t.Skip("gccgo permits C pointers on the stack")
- }
-
- // Run at a few different stack depths just to avoid an unlucky pass
- // due to variables ending up on different pages.
- if n > 0 {
- test10303(t, n-1)
- }
- if t.Failed() {
- return
- }
- var x, y, z, v, si C.int
- var s C.Struct
- C.setintstar(&x)
- C.setintptr(&y)
- C.setvoidptr(unsafe.Pointer(&v))
- s.P = &si
- C.setstruct(s)
-
- if uintptr(unsafe.Pointer(&x))&^0xfff == uintptr(unsafe.Pointer(&z))&^0xfff {
- t.Error("C int* argument on stack")
- }
- if uintptr(unsafe.Pointer(&y))&^0xfff == uintptr(unsafe.Pointer(&z))&^0xfff {
- t.Error("C intptr argument on stack")
- }
- if uintptr(unsafe.Pointer(&v))&^0xfff == uintptr(unsafe.Pointer(&z))&^0xfff {
- t.Error("C void* argument on stack")
- }
- if uintptr(unsafe.Pointer(&si))&^0xfff == uintptr(unsafe.Pointer(&z))&^0xfff {
- t.Error("C struct field pointer on stack")
- }
-}
+++ /dev/null
-// Copyright 2015 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Issue 11925. Structs with zero-length trailing fields are now
-// padded by the Go compiler.
-
-package cgotest
-
-/*
-struct a11925 {
- int i;
- char a[0];
- char b[0];
-};
-
-struct b11925 {
- int i;
- char a[0];
- char b[];
-};
-*/
-import "C"
-
-import (
- "testing"
- "unsafe"
-)
-
-func test11925(t *testing.T) {
- if C.sizeof_struct_a11925 != unsafe.Sizeof(C.struct_a11925{}) {
- t.Errorf("size of a changed: C %d, Go %d", C.sizeof_struct_a11925, unsafe.Sizeof(C.struct_a11925{}))
- }
- if C.sizeof_struct_b11925 != unsafe.Sizeof(C.struct_b11925{}) {
- t.Errorf("size of b changed: C %d, Go %d", C.sizeof_struct_b11925, unsafe.Sizeof(C.struct_b11925{}))
- }
-}
+++ /dev/null
-// Copyright 2015 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Issue 12030. sprintf is defined in both ntdll and msvcrt,
-// Normally we want the one in the msvcrt.
-
-package cgotest
-
-/*
-#include <stdio.h>
-#include <stdlib.h>
-void issue12030conv(char *buf, double x) {
- sprintf(buf, "d=%g", x);
-}
-*/
-import "C"
-
-import (
- "fmt"
- "testing"
- "unsafe"
-)
-
-func test12030(t *testing.T) {
- buf := (*C.char)(C.malloc(256))
- defer C.free(unsafe.Pointer(buf))
- for _, f := range []float64{1.0, 2.0, 3.14} {
- C.issue12030conv(buf, C.double(f))
- got := C.GoString(buf)
- if want := fmt.Sprintf("d=%g", f); got != want {
- t.Fatalf("C.sprintf failed for %g: %q != %q", f, got, want)
- }
- }
-}
+++ /dev/null
-// Copyright 2010 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// This file contains test cases for cgo.
-
-package cgotest
-
-/*
-// issue 1222
-typedef union {
- long align;
-} xxpthread_mutex_t;
-
-struct ibv_async_event {
- union {
- int x;
- } element;
-};
-
-struct ibv_context {
- xxpthread_mutex_t mutex;
-};
-*/
-import "C"
-
-type AsyncEvent struct {
- event C.struct_ibv_async_event
-}
+++ /dev/null
-// Copyright 2011 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package cgotest
-
-import "testing"
-
-// extern void BackIntoGo(void);
-// void IntoC(void);
-import "C"
-
-//export BackIntoGo
-func BackIntoGo() {
- x := 1
-
- for i := 0; i < 10000; i++ {
- xvariadic(x)
- if x != 1 {
- panic("x is not 1?")
- }
- }
-}
-
-func xvariadic(x ...interface{}) {
-}
-
-func test1328(t *testing.T) {
- C.IntoC()
-}
+++ /dev/null
-// Copyright 2016 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Issue 13930. Test that cgo's multiple-value special form for
-// C function calls works in variable declaration statements.
-
-package cgotest
-
-// #include <stdlib.h>
-import "C"
-
-var _, _ = C.abs(0)
+++ /dev/null
-// Copyright 2016 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Issue 14838. add CBytes function
-
-package cgotest
-
-/*
-#include <stdlib.h>
-
-int check_cbytes(char *b, size_t l) {
- int i;
- for (i = 0; i < l; i++) {
- if (b[i] != i) {
- return 0;
- }
- }
- return 1;
-}
-*/
-import "C"
-
-import (
- "testing"
- "unsafe"
-)
-
-func test14838(t *testing.T) {
- data := []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9}
- cData := C.CBytes(data)
- defer C.free(cData)
-
- if C.check_cbytes((*C.char)(cData), C.size_t(len(data))) == 0 {
- t.Fatalf("mismatched data: expected %v, got %v", data, (*(*[10]byte)(unsafe.Pointer(cData)))[:])
- }
-}
+++ /dev/null
-// Copyright 2011 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package cgotest
-
-/*
-// mysleep returns the absolute start time in ms.
-long long mysleep(int seconds);
-
-// twoSleep returns the absolute start time of the first sleep
-// in ms.
-long long twoSleep(int);
-*/
-import "C"
-
-import (
- "testing"
- "time"
-)
-
-var sleepDone = make(chan int64)
-
-// parallelSleep returns the absolute difference between the start time
-// of the two sleeps.
-func parallelSleep(n int) int64 {
- t := int64(C.twoSleep(C.int(n))) - <-sleepDone
- if t < 0 {
- return -t
- }
- return t
-}
-
-//export BackgroundSleep
-func BackgroundSleep(n int32) {
- go func() {
- sleepDone <- int64(C.mysleep(C.int(n)))
- }()
-}
-
-func testParallelSleep(t *testing.T) {
- sleepSec := 1
- dt := time.Duration(parallelSleep(sleepSec)) * time.Millisecond
- t.Logf("difference in start time for two sleep(%d) is %v", sleepSec, dt)
- // bug used to run sleeps in serial, producing a 2*sleepSec-second delay.
- // we detect if the start times of those sleeps are > 0.5*sleepSec-second.
- if dt >= time.Duration(sleepSec)*time.Second/2 {
- t.Fatalf("parallel %d-second sleeps slept for %f seconds", sleepSec, dt.Seconds())
- }
-}
+++ /dev/null
-// Copyright 2012 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package cgotest
-
-/*
-// Mac OS X's gcc will generate scattered relocation 2/1 for
-// this function on Darwin/386, and 8l couldn't handle it.
-// this example is in issue 1635
-#include <stdio.h>
-void scatter() {
- void *p = scatter;
- printf("scatter = %p\n", p);
-}
-
-// Adding this explicit extern declaration makes this a test for
-// https://gcc.gnu.org/PR68072 aka https://golang.org/issue/13344 .
-// It used to cause a cgo error when building with GCC 6.
-extern int hola;
-
-// this example is in issue 3253
-int hola = 0;
-int testHola() { return hola; }
-*/
-import "C"
-
-import "testing"
-
-func test1635(t *testing.T) {
- C.scatter()
- if v := C.hola; v != 0 {
- t.Fatalf("C.hola is %d, should be 0", v)
- }
- if v := C.testHola(); v != 0 {
- t.Fatalf("C.testHola() is %d, should be 0", v)
- }
-}
+++ /dev/null
-// Copyright 2016 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package cgotest
-
-/*
-// Test that C symbols larger than a page play nicely with the race detector.
-// See issue 17065.
-
-int ii[65537];
-*/
-import "C"
-
-import (
- "runtime"
- "testing"
-)
-
-var sink C.int
-
-func test17065(t *testing.T) {
- if runtime.GOOS == "darwin" {
- t.Skip("broken on darwin; issue 17065")
- }
- for i := range C.ii {
- sink = C.ii[i]
- }
-}
+++ /dev/null
-// Copyright 2016 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Issue 17537. The void* cast introduced by cgo to avoid problems
-// with const/volatile qualifiers breaks C preprocessor macros that
-// emulate functions.
-
-package cgotest
-
-/*
-#include <stdlib.h>
-
-typedef struct {
- int i;
-} S17537;
-
-int I17537(S17537 *p);
-
-#define I17537(p) ((p)->i)
-
-// Calling this function used to fail without the cast.
-const int F17537(const char **p) {
- return **p;
-}
-
-// Calling this function used to trigger an error from the C compiler
-// (issue 18298).
-void F18298(const void *const *p) {
-}
-
-// Test that conversions between typedefs work as they used to.
-typedef const void *T18298_1;
-struct S18298 { int i; };
-typedef const struct S18298 *T18298_2;
-void G18298(T18298_1 t) {
-}
-*/
-import "C"
-
-import "testing"
-
-func test17537(t *testing.T) {
- v := C.S17537{i: 17537}
- if got, want := C.I17537(&v), C.int(17537); got != want {
- t.Errorf("got %d, want %d", got, want)
- }
-
- p := (*C.char)(C.malloc(1))
- *p = 17
- if got, want := C.F17537(&p), C.int(17); got != want {
- t.Errorf("got %d, want %d", got, want)
- }
-
- C.F18298(nil)
- var v18298 C.T18298_2
- C.G18298(C.T18298_1(v18298))
-}
+++ /dev/null
-// Copyright 2016 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Issue 18126: cgo check of void function returning errno.
-
-package cgotest
-
-/*
-#include <stdlib.h>
-
-void Issue18126C(void **p) {
-}
-*/
-import "C"
-
-import (
- "testing"
-)
-
-func test18126(t *testing.T) {
- p := C.malloc(1)
- _, err := C.Issue18126C(&p)
- C.free(p)
- _ = err
-}
package cgotest
-import "C"
-
import (
"bytes"
"crypto/md5"
+++ /dev/null
-// Copyright 2017 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package cgotest
-
-/*
-#define HELLO "hello"
-#define WORLD "world"
-#define HELLO_WORLD HELLO "\000" WORLD
-
-struct foo { char c; };
-#define SIZE_OF(x) sizeof(x)
-#define SIZE_OF_FOO SIZE_OF(struct foo)
-#define VAR1 VAR
-#define VAR var
-int var = 5;
-
-#define ADDR &var
-
-#define CALL fn()
-int fn(void) {
- return ++var;
-}
-*/
-import "C"
-import "testing"
-
-func test18720(t *testing.T) {
- if got, want := C.HELLO_WORLD, "hello\000world"; got != want {
- t.Errorf("C.HELLO_WORLD == %q, expected %q", got, want)
- }
-
- if got, want := C.VAR1, C.int(5); got != want {
- t.Errorf("C.VAR1 == %v, expected %v", got, want)
- }
-
- if got, want := *C.ADDR, C.int(5); got != want {
- t.Errorf("*C.ADDR == %v, expected %v", got, want)
- }
-
- if got, want := C.CALL, C.int(6); got != want {
- t.Errorf("C.CALL == %v, expected %v", got, want)
- }
-
- if got, want := C.CALL, C.int(7); got != want {
- t.Errorf("C.CALL == %v, expected %v", got, want)
- }
-
- // Issue 20125.
- if got, want := C.SIZE_OF_FOO, 1; got != want {
- t.Errorf("C.SIZE_OF_FOO == %v, expected %v", got, want)
- }
-}
+++ /dev/null
-// Copyright 2017 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package cgotest
-
-/*
-int issue20129 = 0;
-typedef void issue20129Void;
-issue20129Void issue20129Foo() {
- issue20129 = 1;
-}
-typedef issue20129Void issue20129Void2;
-issue20129Void2 issue20129Bar() {
- issue20129 = 2;
-}
-*/
-import "C"
-import "testing"
-
-func test20129(t *testing.T) {
- if C.issue20129 != 0 {
- t.Fatal("test is broken")
- }
- C.issue20129Foo()
- if C.issue20129 != 1 {
- t.Errorf("got %v but expected %v", C.issue20129, 1)
- }
- C.issue20129Bar()
- if C.issue20129 != 2 {
- t.Errorf("got %v but expected %v", C.issue20129, 2)
- }
-}
+++ /dev/null
-// Copyright 2017 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package cgotest
-
-/*
-#define UINT64_MAX 18446744073709551615ULL
-*/
-import "C"
-import (
- "math"
- "testing"
-)
-
-func test20369(t *testing.T) {
- if C.UINT64_MAX != math.MaxUint64 {
- t.Fatalf("got %v, want %v", uint64(C.UINT64_MAX), uint64(math.MaxUint64))
- }
-}
+++ /dev/null
-// Copyright 2017 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package cgotest
-
-//void callMulti(void);
-import "C"
-
-import "testing"
-
-//export multi
-func multi() (*C.char, C.int) {
- return C.CString("multi"), 0
-}
-
-func test20910(t *testing.T) {
- C.callMulti()
-}
+++ /dev/null
-// Copyright 2017 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Fail to guess the kind of the constant "x".
-// No runtime test; just make sure it compiles.
-
-package cgotest
-
-// const int x = 42;
-import "C"
-
-var issue21668_X = C.x
+++ /dev/null
-// Copyright 2017 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package cgotest
-
-// #include <stdint.h>
-// #define CAST_TO_INT64 (int64_t)(-1)
-import "C"
-import "testing"
-
-func test21708(t *testing.T) {
- if got, want := C.CAST_TO_INT64, -1; got != want {
- t.Errorf("C.CAST_TO_INT64 == %v, expected %v", got, want)
- }
-}
+++ /dev/null
-// Copyright 2017 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package cgotest
-
-// Issue 21809. Compile C `typedef` to go type aliases.
-
-// typedef long MySigned_t;
-// /* tests alias-to-alias */
-// typedef MySigned_t MySigned2_t;
-//
-// long takes_long(long x) { return x * x; }
-// MySigned_t takes_typedef(MySigned_t x) { return x * x; }
-import "C"
-
-import "testing"
-
-func test21809(t *testing.T) {
- longVar := C.long(3)
- typedefVar := C.MySigned_t(4)
- typedefTypedefVar := C.MySigned2_t(5)
-
- // all three should be considered identical to `long`
- if ret := C.takes_long(longVar); ret != 9 {
- t.Errorf("got %v but expected %v", ret, 9)
- }
- if ret := C.takes_long(typedefVar); ret != 16 {
- t.Errorf("got %v but expected %v", ret, 16)
- }
- if ret := C.takes_long(typedefTypedefVar); ret != 25 {
- t.Errorf("got %v but expected %v", ret, 25)
- }
-
- // They should also be identical to the typedef'd type
- if ret := C.takes_typedef(longVar); ret != 9 {
- t.Errorf("got %v but expected %v", ret, 9)
- }
- if ret := C.takes_typedef(typedefVar); ret != 16 {
- t.Errorf("got %v but expected %v", ret, 16)
- }
- if ret := C.takes_typedef(typedefTypedefVar); ret != 25 {
- t.Errorf("got %v but expected %v", ret, 25)
- }
-}
+++ /dev/null
-// Copyright 2017 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package cgotest
-
-// Test handling of bitfields.
-
-/*
-typedef struct {
- unsigned long long f8 : 8;
- unsigned long long f16 : 16;
- unsigned long long f24 : 24;
- unsigned long long f32 : 32;
- unsigned long long f40 : 40;
- unsigned long long f48 : 48;
- unsigned long long f56 : 56;
- unsigned long long f64 : 64;
-} issue22958Type;
-*/
-import "C"
-
-// Nothing to run, just make sure this compiles.
-var Vissue22958 C.issue22958Type
+++ /dev/null
-// Copyright 2018 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package cgotest
-
-// int a(void) { return 5; };
-// int r(void) { return 3; };
-import "C"
-import "testing"
-
-func test23356(t *testing.T) {
- if got, want := C.a(), C.int(5); got != want {
- t.Errorf("C.a() == %v, expected %v", got, want)
- }
- if got, want := C.r(), C.int(3); got != want {
- t.Errorf("C.r() == %v, expected %v", got, want)
- }
-}
+++ /dev/null
-// Copyright 2018 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Test that we can pass compatible typedefs.
-// No runtime test; just make sure it compiles.
-
-package cgotest
-
-/*
-typedef int *issue23720A;
-
-typedef const int *issue23720B;
-
-void issue23720F(issue23720B a) {}
-*/
-import "C"
-
-func Issue23720F() {
- var x C.issue23720A
- C.issue23720F(x)
-}
+++ /dev/null
-// +build amd64,linux
-
-// Copyright 2018 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package cgotest
-
-// Test that C.GoString uses IndexByte in safe manner.
-
-/*
-#include <sys/mman.h>
-
-// Returns string with null byte at the last valid address
-char* dangerousString1() {
- int pageSize = 4096;
- char *data = mmap(0, 2 * pageSize, PROT_READ|PROT_WRITE, MAP_ANON|MAP_PRIVATE, 0, 0);
- mprotect(data + pageSize,pageSize,PROT_NONE);
- int start = pageSize - 123 - 1; // last 123 bytes of first page + 1 null byte
- int i = start;
- for (; i < pageSize; i++) {
- data[i] = 'x';
- }
- data[pageSize -1 ] = 0;
- return data+start;
-}
-
-char* dangerousString2() {
- int pageSize = 4096;
- char *data = mmap(0, 3 * pageSize, PROT_READ|PROT_WRITE, MAP_ANON|MAP_PRIVATE, 0, 0);
- mprotect(data + 2 * pageSize,pageSize,PROT_NONE);
- int start = pageSize - 123 - 1; // last 123 bytes of first page + 1 null byte
- int i = start;
- for (; i < 2 * pageSize; i++) {
- data[i] = 'x';
- }
- data[2*pageSize -1 ] = 0;
- return data+start;
-}
-*/
-import "C"
-
-import (
- "testing"
-)
-
-func test24206(t *testing.T) {
- if l := len(C.GoString(C.dangerousString1())); l != 123 {
- t.Errorf("Incorrect string length - got %d, want 123", l)
- }
- if l := len(C.GoString(C.dangerousString2())); l != 4096+123 {
- t.Errorf("Incorrect string length - got %d, want %d", l, 4096+123)
- }
-}
+++ /dev/null
-// +build !amd64 !linux
-
-// Copyright 2018 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package cgotest
-
-import "testing"
-
-func test24206(t *testing.T) {
- t.Skip("Skipping on non-amd64 or non-linux system")
-}
+++ /dev/null
-// Copyright 2011 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package cgotest
-
-import "C"
-
-//export exportbyte
-func exportbyte() byte {
- return 0
-}
-
-//export exportbool
-func exportbool() bool {
- return false
-}
-
-//export exportrune
-func exportrune() rune {
- return 0
-}
-
-//export exporterror
-func exporterror() error {
- return nil
-}
-
-//export exportint
-func exportint() int {
- return 0
-}
-
-//export exportuint
-func exportuint() uint {
- return 0
-}
-
-//export exportuintptr
-func exportuintptr() uintptr {
- return (uintptr)(0)
-}
-
-//export exportint8
-func exportint8() int8 {
- return 0
-}
-
-//export exportuint8
-func exportuint8() uint8 {
- return 0
-}
-
-//export exportint16
-func exportint16() int16 {
- return 0
-}
-
-//export exportuint16
-func exportuint16() uint16 {
- return 0
-}
-
-//export exportint32
-func exportint32() int32 {
- return 0
-}
-
-//export exportuint32
-func exportuint32() uint32 {
- return 0
-}
-
-//export exportint64
-func exportint64() int64 {
- return 0
-}
-
-//export exportuint64
-func exportuint64() uint64 {
- return 0
-}
-
-//export exportfloat32
-func exportfloat32() float32 {
- return 0
-}
-
-//export exportfloat64
-func exportfloat64() float64 {
- return 0
-}
-
-//export exportcomplex64
-func exportcomplex64() complex64 {
- return 0
-}
-
-//export exportcomplex128
-func exportcomplex128() complex128 {
- return 0
-}
+++ /dev/null
-// Copyright 2018 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package cgotest
-
-import "C"
-import "testing"
-
-func issue25143sum(ns ...C.int) C.int {
- total := C.int(0)
- for _, n := range ns {
- total += n
- }
- return total
-}
-
-func test25143(t *testing.T) {
- if got, want := issue25143sum(1, 2, 3), C.int(6); got != want {
- t.Errorf("issue25143sum(1, 2, 3) == %v, expected %v", got, want)
- }
-}
+++ /dev/null
-// Copyright 2018 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Wrong type of constant with GCC 8 and newer.
-
-package cgotest
-
-// const unsigned long long int issue26066 = (const unsigned long long) -1;
-import "C"
-
-import "testing"
-
-func test26066(t *testing.T) {
- var i = int64(C.issue26066)
- if i != -1 {
- t.Errorf("got %d, want -1", i)
- }
-}
+++ /dev/null
-// Copyright 2018 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package cgotest
-
-// Introduce two pointer types which are distinct, but have the same
-// base type. Make sure that both of those pointer types get resolved
-// correctly. Before the fix for 26517 if one of these pointer types
-// was resolved before the other one was processed, the second one
-// would never be resolved.
-// Before this issue was fixed this test failed on Windows,
-// where va_list expands to a named char* type.
-
-/*
-#include <stdarg.h>
-typedef va_list TypeOne;
-typedef char *TypeTwo;
-*/
-import "C"
-
-var a C.TypeOne
-var b C.TypeTwo
+++ /dev/null
-// Copyright 2018 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Failed to add type conversion for negative constant.
-// Issue 28772: Failed to add type conversion for Go constant set to C constant.
-// No runtime test; just make sure it compiles.
-
-package cgotest
-
-/*
-#include <complex.h>
-
-#define issue28772Constant 1
-
-static void issue28545F(char **p, int n, complex double a) {}
-*/
-import "C"
-
-const issue28772Constant = C.issue28772Constant
-
-func issue28545G(p **C.char) {
- C.issue28545F(p, -1, (0))
- C.issue28545F(p, 2+3, complex(1, 1))
- C.issue28545F(p, issue28772Constant, issue28772Constant2)
-}
+++ /dev/null
-// Copyright 2018 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package cgotest
-
-// Constants didn't work if defined in different source file.
-
-// #define issue28772Constant2 2
-import "C"
-
-const issue28772Constant2 = C.issue28772Constant2
+++ /dev/null
-// Copyright 2018 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// cgo was incorrectly adding padding after a packed struct.
-
-package cgotest
-
-/*
-#include <stddef.h>
-#include <stdint.h>
-#include <stdlib.h>
-
-typedef struct {
- void *f1;
- uint32_t f2;
-} __attribute__((__packed__)) innerPacked;
-
-typedef struct {
- innerPacked g1;
- uint64_t g2;
-} outerPacked;
-
-typedef struct {
- void *f1;
- uint32_t f2;
-} innerUnpacked;
-
-typedef struct {
- innerUnpacked g1;
- uint64_t g2;
-} outerUnpacked;
-
-size_t offset(int x) {
- switch (x) {
- case 0:
- return offsetof(innerPacked, f2);
- case 1:
- return offsetof(outerPacked, g2);
- case 2:
- return offsetof(innerUnpacked, f2);
- case 3:
- return offsetof(outerUnpacked, g2);
- default:
- abort();
- }
-}
-*/
-import "C"
-
-import (
- "testing"
- "unsafe"
-)
-
-func offset(i int) uintptr {
- var pi C.innerPacked
- var po C.outerPacked
- var ui C.innerUnpacked
- var uo C.outerUnpacked
- switch i {
- case 0:
- return unsafe.Offsetof(pi.f2)
- case 1:
- return unsafe.Offsetof(po.g2)
- case 2:
- return unsafe.Offsetof(ui.f2)
- case 3:
- return unsafe.Offsetof(uo.g2)
- default:
- panic("can't happen")
- }
-}
-
-func test28896(t *testing.T) {
- for i := 0; i < 4; i++ {
- c := uintptr(C.offset(C.int(i)))
- g := offset(i)
- if c != g {
- t.Errorf("%d: C: %d != Go %d", i, c, g)
- }
- }
-}
+++ /dev/null
-// Copyright 2018 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// cgo's /*line*/ comments failed when inserted after '/',
-// because the result looked like a "//" comment.
-// No runtime test; just make sure it compiles.
-
-package cgotest
-
-// #include <stddef.h>
-import "C"
-
-func Issue29383(n, size uint) int {
- if ^C.size_t(0)/C.size_t(n) < C.size_t(size) {
- return 0
- }
- return 0
-}
+++ /dev/null
-// Copyright 2019 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Error handling a struct initializer that requires pointer checking.
-// Compilation test only, nothing to run.
-
-package cgotest
-
-// typedef struct { char **p; } S29748;
-// static int f29748(S29748 *p) { return 0; }
-import "C"
-
-var Vissue29748 = C.f29748(&C.S29748{
- nil,
-})
-
-func Fissue299748() {
- C.f29748(&C.S29748{
- nil,
- })
-}
+++ /dev/null
-// Copyright 2019 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Error with newline inserted into constant expression.
-// Compilation test only, nothing to run.
-
-package cgotest
-
-// static void issue29781F(char **p, int n) {}
-// #define ISSUE29781C 0
-import "C"
-
-var issue29781X struct{ X int }
-
-func issue29781F(...int) int { return 0 }
-
-func issue29781G() {
- var p *C.char
- C.issue29781F(&p, C.ISSUE29781C+1)
- C.issue29781F(nil, (C.int)(
- 0))
- C.issue29781F(&p, (C.int)(0))
- C.issue29781F(&p, (C.int)(
- 0))
- C.issue29781F(&p, (C.int)(issue29781X.
- X))
-}
+++ /dev/null
-// Copyright 2019 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package cgotest
-
-// #include <stdint.h>
-// uint64_t issue29878exported(int8_t); // prototype must match
-// int16_t issue29878function(uint32_t arg) { return issue29878exported(arg); }
-import "C"
-
-import "testing"
-
-func test29878(t *testing.T) {
- const arg uint32 = 123 // fits into all integer types
- var ret int16 = C.issue29878function(arg) // no conversions needed
- if int64(ret) != int64(arg) {
- t.Errorf("return value unexpected: got %d, want %d", ret, arg)
- }
-}
+++ /dev/null
-// Copyright 2019 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Don't make a private copy of an array when taking the address of an
-// element.
-
-package cgotest
-
-// #include <string.h>
-import "C"
-
-import (
- "testing"
- "unsafe"
-)
-
-func test30065(t *testing.T) {
- var a [256]byte
- b := []byte("a")
- C.memcpy(unsafe.Pointer(&a), unsafe.Pointer(&b[0]), 1)
- if a[0] != 'a' {
- t.Errorf("&a failed: got %c, want %c", a[0], 'a')
- }
-
- b = []byte("b")
- C.memcpy(unsafe.Pointer(&a[0]), unsafe.Pointer(&b[0]), 1)
- if a[0] != 'b' {
- t.Errorf("&a[0] failed: got %c, want %c", a[0], 'b')
- }
-
- d := make([]byte, 256)
- b = []byte("c")
- C.memcpy(unsafe.Pointer(&d[0]), unsafe.Pointer(&b[0]), 1)
- if d[0] != 'c' {
- t.Errorf("&d[0] failed: got %c, want %c", d[0], 'c')
- }
-}
+++ /dev/null
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build !windows
-
-package cgotest
-
-/*
-#include <signal.h>
-#include <pthread.h>
-#include <unistd.h>
-#include <stdlib.h>
-
-static void *thread(void *p) {
- const int M = 100;
- int i;
- (void)p;
- for (i = 0; i < M; i++) {
- pthread_kill(pthread_self(), SIGCHLD);
- usleep(rand() % 20 + 5);
- }
- return NULL;
-}
-void testSendSIG() {
- const int N = 20;
- int i;
- pthread_t tid[N];
- for (i = 0; i < N; i++) {
- usleep(rand() % 200 + 100);
- pthread_create(&tid[i], 0, thread, NULL);
- }
- for (i = 0; i < N; i++)
- pthread_join(tid[i], 0);
-}
-*/
-import "C"
-
-import (
- "os"
- "os/signal"
- "syscall"
- "testing"
- "time"
-)
-
-func test3250(t *testing.T) {
- t.Skip("skipped, see golang.org/issue/5885")
- const (
- thres = 1
- sig = syscall.SIGCHLD
- )
- type result struct {
- n int
- sig os.Signal
- }
- var (
- sigCh = make(chan os.Signal, 10)
- waitStart = make(chan struct{})
- waitDone = make(chan result)
- )
-
- signal.Notify(sigCh, sig)
-
- go func() {
- n := 0
- alarm := time.After(time.Second * 3)
- for {
- select {
- case <-waitStart:
- waitStart = nil
- case v := <-sigCh:
- n++
- if v != sig || n > thres {
- waitDone <- result{n, v}
- return
- }
- case <-alarm:
- waitDone <- result{n, sig}
- return
- }
- }
- }()
-
- waitStart <- struct{}{}
- C.testSendSIG()
- r := <-waitDone
- if r.sig != sig {
- t.Fatalf("received signal %v, but want %v", r.sig, sig)
- }
- t.Logf("got %d signals\n", r.n)
- if r.n <= thres {
- t.Fatalf("expected more than %d", thres)
- }
-}
+++ /dev/null
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build windows
-
-package cgotest
-
-import "testing"
-
-func test3250(t *testing.T) {}
+++ /dev/null
-// Copyright 2012 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package cgotest
-
-/*
-// libgcc on ARM might be compiled as thumb code, but our 5l
-// can't handle that, so we have to disable this test on arm.
-#ifdef __ARMEL__
-#include <stdio.h>
-int vabs(int x) {
- puts("testLibgcc is disabled on ARM because 5l cannot handle thumb library.");
- return (x < 0) ? -x : x;
-}
-#elif defined(__arm64__) && defined(__clang__)
-#include <stdio.h>
-int vabs(int x) {
- puts("testLibgcc is disabled on ARM64 with clang due to lack of libgcc.");
- return (x < 0) ? -x : x;
-}
-#else
-int __absvsi2(int); // dummy prototype for libgcc function
-// we shouldn't name the function abs, as gcc might use
-// the builtin one.
-int vabs(int x) { return __absvsi2(x); }
-#endif
-*/
-import "C"
-
-import "testing"
-
-func testLibgcc(t *testing.T) {
- var table = []struct {
- in, out C.int
- }{
- {0, 0},
- {1, 1},
- {-42, 42},
- {1000300, 1000300},
- {1 - 1<<31, 1<<31 - 1},
- }
- for _, v := range table {
- if o := C.vabs(v.in); o != v.out {
- t.Fatalf("abs(%d) got %d, should be %d", v.in, o, v.out)
- return
- }
- }
-}
+++ /dev/null
-// Copyright 2012 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Issue 3729: cmd/cgo: access errno from void C function
-// void f(void) returns [0]byte, error in Go world.
-
-// +build !windows
-
-package cgotest
-
-/*
-#include <errno.h>
-
-void g(void) {
- errno = E2BIG;
-}
-
-// try to pass some non-trivial arguments to function g2
-const char _expA = 0x42;
-const float _expB = 3.14159;
-const short _expC = 0x55aa;
-const int _expD = 0xdeadbeef;
-void g2(int x, char a, float b, short c, int d) {
- if (a == _expA && b == _expB && c == _expC && d == _expD)
- errno = x;
- else
- errno = -1;
-}
-*/
-import "C"
-
-import (
- "syscall"
- "testing"
-)
-
-func test3729(t *testing.T) {
- _, e := C.g()
- if e != syscall.E2BIG {
- t.Errorf("got %q, expect %q", e, syscall.E2BIG)
- }
- _, e = C.g2(C.EINVAL, C._expA, C._expB, C._expC, C._expD)
- if e != syscall.EINVAL {
- t.Errorf("got %q, expect %q", e, syscall.EINVAL)
- }
-}
+++ /dev/null
-// Copyright 2012 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Issue 3729: cmd/cgo: access errno from void C function
-// void f(void) returns [0]byte, error in Go world.
-
-// +build windows
-
-package cgotest
-
-import "testing"
-
-func test3729(t *testing.T) {
- t.Log("skip errno test on Windows")
-}
+++ /dev/null
-// Copyright 2012 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package cgotest
-
-import "C"
-
-//export exportSliceIn
-func exportSliceIn(s []byte) bool {
- return len(s) == cap(s)
-}
-
-//export exportSliceOut
-func exportSliceOut() []byte {
- return []byte{1}
-}
-
-//export exportSliceInOut
-func exportSliceInOut(s []byte) []byte {
- return s
-}
+++ /dev/null
-// +build !android
-
-package cgotest
-
-/*
-void lockOSThreadCallback(void);
-inline static void lockOSThreadC(void)
-{
- lockOSThreadCallback();
-}
-int usleep(unsigned usec);
-*/
-import "C"
-
-import (
- "runtime"
- "testing"
-)
-
-func init() {
- // Same as test3775 but run during init so that
- // there are two levels of internal runtime lock
- // (1 for init, 1 for cgo).
- // This would have been broken by CL 11663043.
- C.lockOSThreadC()
-}
-
-func test3775(t *testing.T) {
- // Used to panic because of the UnlockOSThread below.
- C.lockOSThreadC()
-}
-
-//export lockOSThreadCallback
-func lockOSThreadCallback() {
- runtime.LockOSThread()
- runtime.UnlockOSThread()
- go C.usleep(10000)
- runtime.Gosched()
-}
+++ /dev/null
-// Copyright 2012 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package cgotest
-
-// Test that cgo reserves enough stack space during cgo call.
-// See https://golang.org/issue/3945 for details.
-
-// #include <stdio.h>
-//
-// void say() {
-// printf("%s from C\n", "hello");
-// }
-//
-import "C"
-
-import "testing"
-
-func testPrintf(t *testing.T) {
- C.say()
-}
+++ /dev/null
-// Copyright 2012 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package cgotest
-
-/*
-typedef enum {
- A = 0,
- B,
- C,
- D,
- E,
- F,
- G,
- H,
- I,
- J,
-} issue4054a;
-*/
-import "C"
-
-var issue4054a = []int{C.A, C.B, C.C, C.D, C.E, C.F, C.G, C.H, C.I, C.J}
+++ /dev/null
-// Copyright 2012 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package cgotest
-
-/*
-typedef enum {
- A = 0,
- B,
- C,
- D,
- E,
- F,
- G,
- H,
- I,
- J,
-} issue4054b;
-*/
-import "C"
-
-var issue4054b = []int{C.A, C.B, C.C, C.D, C.E, C.F, C.G, C.H, C.I, C.J}
+++ /dev/null
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package cgotest
-
-/*
-// We've historically permitted #include <>, so test it here. Issue 29333.
-#include <issue4339.h>
-*/
-import "C"
-
-import "testing"
-
-func test4339(t *testing.T) {
- C.handle4339(&C.exported4339)
-}
+++ /dev/null
-// Copyright 2012 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Issue 4417: cmd/cgo: bool alignment/padding issue.
-// bool alignment is wrong and causing wrong arguments when calling functions.
-//
-
-package cgotest
-
-/*
-#include <stdbool.h>
-
-static int c_bool(bool a, bool b, int c, bool d, bool e) {
- return c;
-}
-*/
-import "C"
-import "testing"
-
-func testBoolAlign(t *testing.T) {
- b := C.c_bool(true, true, 10, true, false)
- if b != 10 {
- t.Fatalf("found %d expected 10\n", b)
- }
- b = C.c_bool(true, true, 5, true, true)
- if b != 5 {
- t.Fatalf("found %d expected 5\n", b)
- }
- b = C.c_bool(true, true, 3, true, false)
- if b != 3 {
- t.Fatalf("found %d expected 3\n", b)
- }
- b = C.c_bool(false, false, 1, true, false)
- if b != 1 {
- t.Fatalf("found %d expected 1\n", b)
- }
- b = C.c_bool(false, true, 200, true, false)
- if b != 200 {
- t.Fatalf("found %d expected 200\n", b)
- }
-}
+++ /dev/null
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package cgotest
-
-/*
-#cgo CFLAGS: -Werror
-const struct { int a; } *issue4857() { return (void *)0; }
-*/
-import "C"
-
-func test4857() {
- _ = C.issue4857()
-}
+++ /dev/null
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Issue 5227: linker incorrectly treats common symbols and
-// leaves them undefined.
-
-package cgotest
-
-/*
-typedef struct {
- int Count;
-} Fontinfo;
-
-Fontinfo SansTypeface;
-
-extern void init();
-
-Fontinfo loadfont() {
- Fontinfo f = {0};
- return f;
-}
-
-void init() {
- SansTypeface = loadfont();
-}
-*/
-import "C"
-
-import "testing"
-
-func test5227(t *testing.T) {
- C.init()
-}
-
-func selectfont() C.Fontinfo {
- return C.SansTypeface
-}
+++ /dev/null
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Issue 5242. Cgo incorrectly computed the alignment of structs
-// with no Go accessible fields as 0, and then panicked on
-// modulo-by-zero computations.
-
-package cgotest
-
-/*
-typedef struct {
-} foo;
-
-typedef struct {
- int x : 1;
-} bar;
-
-int issue5242(foo f, bar b) {
- return 5242;
-}
-*/
-import "C"
-
-import "testing"
-
-func test5242(t *testing.T) {
- if got := C.issue5242(C.foo{}, C.bar{}); got != 5242 {
- t.Errorf("got %v", got)
- }
-}
+++ /dev/null
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build !windows
-
-package cgotest
-
-/*
-#include <signal.h>
-#include <pthread.h>
-
-static void *thread1(void *p) {
- (void)p;
- pthread_kill(pthread_self(), SIGPROF);
- return NULL;
-}
-void test5337() {
- pthread_t tid;
- pthread_create(&tid, 0, thread1, NULL);
- pthread_join(tid, 0);
-}
-*/
-import "C"
-
-import "testing"
-
-// Verify that we can withstand SIGPROF received on foreign threads
-func test5337(t *testing.T) {
- C.test5337()
-}
+++ /dev/null
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build windows
-
-package cgotest
-
-import "testing"
-
-func test5337(t *testing.T) {}
+++ /dev/null
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package cgotest
-
-import "testing"
-
-/*
-extern int issue5548_in_c(void);
-*/
-import "C"
-
-//export issue5548FromC
-func issue5548FromC(s string, i int) int {
- if len(s) == 4 && s == "test" && i == 42 {
- return 12345
- }
- println("got", len(s), i)
- return 9876
-}
-
-func test5548(t *testing.T) {
- if x := C.issue5548_in_c(); x != 12345 {
- t.Errorf("issue5548_in_c = %d, want %d", x, 12345)
- }
-}
+++ /dev/null
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package cgotest
-
-/*
-const long long issue5603exp = 0x12345678;
-long long issue5603foo0() { return issue5603exp; }
-long long issue5603foo1(void *p) { return issue5603exp; }
-long long issue5603foo2(void *p, void *q) { return issue5603exp; }
-long long issue5603foo3(void *p, void *q, void *r) { return issue5603exp; }
-long long issue5603foo4(void *p, void *q, void *r, void *s) { return issue5603exp; }
-*/
-import "C"
-
-import "testing"
-
-func test5603(t *testing.T) {
- var x [5]int64
- exp := int64(C.issue5603exp)
- x[0] = int64(C.issue5603foo0())
- x[1] = int64(C.issue5603foo1(nil))
- x[2] = int64(C.issue5603foo2(nil, nil))
- x[3] = int64(C.issue5603foo3(nil, nil, nil))
- x[4] = int64(C.issue5603foo4(nil, nil, nil, nil))
- for i, v := range x {
- if v != exp {
- t.Errorf("issue5603foo%d() returns %v, expected %v", i, v, exp)
- }
- }
-}
+++ /dev/null
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package cgotest
-
-// int test5740a(void), test5740b(void);
-import "C"
-import "testing"
-
-func test5740(t *testing.T) {
- if v := C.test5740a() + C.test5740b(); v != 5 {
- t.Errorf("expected 5, got %v", v)
- }
-}
+++ /dev/null
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package cgotest
-
-/*
-#cgo LDFLAGS: -lm
-#include <stdio.h>
-#include <math.h>
-
-static void output5986()
-{
- int current_row = 0, row_count = 0;
- double sum_squares = 0;
- double d;
- do {
- if (current_row == 10) {
- current_row = 0;
- }
- ++row_count;
- }
- while (current_row++ != 1);
- d = sqrt(sum_squares / row_count);
- printf("sqrt is: %g\n", d);
-}
-*/
-import "C"
-import "testing"
-
-func test5986(t *testing.T) {
- C.output5986()
-}
+++ /dev/null
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package cgotest
-
-// Test handling of #defined names in clang.
-// golang.org/issue/6128.
-
-/*
-// NOTE: Must use hex, or else a shortcut for decimals
-// in cgo avoids trying to pass this to clang.
-#define X 0x1
-*/
-import "C"
-
-func test6128() {
- // nothing to run, just make sure this compiles.
- _ = C.X
-}
+++ /dev/null
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package cgotest
-
-// #include <stdlib.h>
-import "C"
-
-import "testing"
-
-func test6390(t *testing.T) {
- p1 := C.malloc(1024)
- if p1 == nil {
- t.Fatalf("C.malloc(1024) returned nil")
- }
- p2 := C.malloc(0)
- if p2 == nil {
- t.Fatalf("C.malloc(0) returned nil")
- }
- C.free(p1)
- C.free(p2)
-}
+++ /dev/null
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package cgotest
-
-/*
-typedef struct
-{
- struct
- {
- int x;
- } y[16];
-} z;
-*/
-import "C"
-
-func test6472() {
- // nothing to run, just make sure this compiles
- s := new(C.z)
- println(s.y[0].x)
-}
+++ /dev/null
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package cgotest
-
-// Test handling of size_t in the face of incorrect clang debug information.
-// golang.org/issue/6506.
-
-/*
-#include <stdlib.h>
-#include <string.h>
-*/
-import "C"
-
-func test6506() {
- // nothing to run, just make sure this compiles
- var x C.size_t
-
- C.calloc(x, x)
- C.malloc(x)
- C.realloc(nil, x)
- C.memcpy(nil, nil, x)
- C.memcmp(nil, nil, x)
- C.memmove(nil, nil, x)
- C.strncpy(nil, nil, x)
- C.strncmp(nil, nil, x)
- C.strncat(nil, nil, x)
- x = C.strxfrm(nil, nil, x)
- C.memchr(nil, 0, x)
- x = C.strcspn(nil, nil)
- x = C.strspn(nil, nil)
- C.memset(nil, 0, x)
- x = C.strlen(nil)
- _ = x
-}
+++ /dev/null
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// golang.org/issue/6612
-// Test new scheme for deciding whether C.name is an expression, type, constant.
-// Clang silences some warnings when the name is a #defined macro, so test those too
-// (even though we now use errors exclusively, not warnings).
-
-package cgotest
-
-/*
-void myfunc(void) {}
-int myvar = 5;
-const char *mytext = "abcdef";
-typedef int mytype;
-enum {
- myenum = 1234,
-};
-
-#define myfunc_def myfunc
-#define myvar_def myvar
-#define mytext_def mytext
-#define mytype_def mytype
-#define myenum_def myenum
-#define myint_def 12345
-#define myfloat_def 1.5
-#define mystring_def "hello"
-*/
-import "C"
-
-import "testing"
-
-func testNaming(t *testing.T) {
- C.myfunc()
- C.myfunc_def()
- if v := C.myvar; v != 5 {
- t.Errorf("C.myvar = %d, want 5", v)
- }
- if v := C.myvar_def; v != 5 {
- t.Errorf("C.myvar_def = %d, want 5", v)
- }
- if s := C.GoString(C.mytext); s != "abcdef" {
- t.Errorf("C.mytext = %q, want %q", s, "abcdef")
- }
- if s := C.GoString(C.mytext_def); s != "abcdef" {
- t.Errorf("C.mytext_def = %q, want %q", s, "abcdef")
- }
- if c := C.myenum; c != 1234 {
- t.Errorf("C.myenum = %v, want 1234", c)
- }
- if c := C.myenum_def; c != 1234 {
- t.Errorf("C.myenum_def = %v, want 1234", c)
- }
- {
- const c = C.myenum
- if c != 1234 {
- t.Errorf("C.myenum as const = %v, want 1234", c)
- }
- }
- {
- const c = C.myenum_def
- if c != 1234 {
- t.Errorf("C.myenum as const = %v, want 1234", c)
- }
- }
- if c := C.myint_def; c != 12345 {
- t.Errorf("C.myint_def = %v, want 12345", c)
- }
- {
- const c = C.myint_def
- if c != 12345 {
- t.Errorf("C.myint as const = %v, want 12345", c)
- }
- }
-
- if c := C.myfloat_def; c != 1.5 {
- t.Errorf("C.myint_def = %v, want 1.5", c)
- }
- {
- const c = C.myfloat_def
- if c != 1.5 {
- t.Errorf("C.myint as const = %v, want 1.5", c)
- }
- }
-
- if s := C.mystring_def; s != "hello" {
- t.Errorf("C.mystring_def = %q, want %q", s, "hello")
- }
-}
+++ /dev/null
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package cgotest
-
-/*
-extern unsigned long long issue6833Func(unsigned int, unsigned long long);
-*/
-import "C"
-
-import "testing"
-
-//export GoIssue6833Func
-func GoIssue6833Func(aui uint, aui64 uint64) uint64 {
- return aui64 + uint64(aui)
-}
-
-func test6833(t *testing.T) {
- ui := 7
- ull := uint64(0x4000300020001000)
- v := uint64(C.issue6833Func(C.uint(ui), C.ulonglong(ull)))
- exp := uint64(ui) + ull
- if v != exp {
- t.Errorf("issue6833Func() returns %x, expected %x", v, exp)
- }
-}
+++ /dev/null
-// Copyright 2017 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package cgotest
-
-/*
-#include <stdlib.h>
-#include <string.h>
-
-char* Issue6907CopyString(_GoString_ s) {
- size_t n;
- const char *p;
- char *r;
-
- n = _GoStringLen(s);
- p = _GoStringPtr(s);
- r = malloc(n + 1);
- memmove(r, p, n);
- r[n] = '\0';
- return r;
-}
-*/
-import "C"
-
-import "testing"
-
-func test6907(t *testing.T) {
- want := "yarn"
- if got := C.GoString(C.Issue6907CopyString(want)); got != want {
- t.Errorf("C.GoString(C.Issue6907CopyString(%q)) == %q, want %q", want, got, want)
- }
-}
+++ /dev/null
-// Copyright 2017 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package cgotest
-
-/*
-extern int CheckIssue6907C(_GoString_);
-*/
-import "C"
-
-import (
- "testing"
-)
-
-const CString = "C string"
-
-//export CheckIssue6907Go
-func CheckIssue6907Go(s string) C.int {
- if s == CString {
- return 1
- }
- return 0
-}
-
-func test6907Go(t *testing.T) {
- if got := C.CheckIssue6907C(CString); got != 1 {
- t.Errorf("C.CheckIssue6907C() == %d, want %d", got, 1)
- }
-}
+++ /dev/null
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package cgotest
-
-/*
-#include <stdint.h>
-
-typedef struct {
- char x;
- long y;
-} __attribute__((__packed__)) misaligned;
-
-int
-offset7560(void)
-{
- return (uintptr_t)&((misaligned*)0)->y;
-}
-*/
-import "C"
-
-import (
- "reflect"
- "testing"
-)
-
-func test7560(t *testing.T) {
- // some mingw don't implement __packed__ correctly.
- if C.offset7560() != 1 {
- t.Skip("C compiler did not pack struct")
- }
-
- // C.misaligned should have x but then a padding field to get to the end of the struct.
- // There should not be a field named 'y'.
- var v C.misaligned
- rt := reflect.TypeOf(&v).Elem()
- if rt.NumField() != 2 || rt.Field(0).Name != "x" || rt.Field(1).Name != "_" {
- t.Errorf("unexpected fields in C.misaligned:\n")
- for i := 0; i < rt.NumField(); i++ {
- t.Logf("%+v\n", rt.Field(i))
- }
- }
-}
+++ /dev/null
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package cgotest
-
-import (
- "testing"
- "unsafe"
-)
-
-// extern void f7665(void);
-import "C"
-
-//export f7665
-func f7665() {}
-
-var bad7665 unsafe.Pointer = C.f7665
-var good7665 uintptr = uintptr(C.f7665)
-
-func test7665(t *testing.T) {
- if bad7665 == nil || uintptr(bad7665) != good7665 {
- t.Errorf("ptrs = %p, %#x, want same non-nil pointer", bad7665, good7665)
- }
-}
+++ /dev/null
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Issue 7786. No runtime test, just make sure that typedef and struct/union/class are interchangeable at compile time.
-
-package cgotest
-
-// struct test7786;
-// typedef struct test7786 typedef_test7786;
-// void f7786(struct test7786 *ctx) {}
-// void g7786(typedef_test7786 *ctx) {}
-//
-// typedef struct body7786 typedef_body7786;
-// struct body7786 { int x; };
-// void b7786(struct body7786 *ctx) {}
-// void c7786(typedef_body7786 *ctx) {}
-//
-// typedef union union7786 typedef_union7786;
-// void u7786(union union7786 *ctx) {}
-// void v7786(typedef_union7786 *ctx) {}
-import "C"
-
-func f() {
- var x1 *C.typedef_test7786
- var x2 *C.struct_test7786
- x1 = x2
- x2 = x1
- C.f7786(x1)
- C.f7786(x2)
- C.g7786(x1)
- C.g7786(x2)
-
- var b1 *C.typedef_body7786
- var b2 *C.struct_body7786
- b1 = b2
- b2 = b1
- C.b7786(b1)
- C.b7786(b2)
- C.c7786(b1)
- C.c7786(b2)
-
- var u1 *C.typedef_union7786
- var u2 *C.union_union7786
- u1 = u2
- u2 = u1
- C.u7786(u1)
- C.u7786(u2)
- C.v7786(u1)
- C.v7786(u2)
-}
+++ /dev/null
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Issue 7978. Stack tracing didn't work during cgo code after calling a Go
-// callback. Make sure GC works and the stack trace is correct.
-
-package cgotest
-
-/*
-#include <stdint.h>
-
-void issue7978cb(void);
-
-#if defined(__APPLE__) && defined(__arm__)
-// on Darwin/ARM, libSystem doesn't provide implementation of the __sync_fetch_and_add
-// primitive, and although gcc supports it, it doesn't inline its definition.
-// Clang could inline its definition, so we require clang on Darwin/ARM.
-#if defined(__clang__)
-#define HAS_SYNC_FETCH_AND_ADD 1
-#else
-#define HAS_SYNC_FETCH_AND_ADD 0
-#endif
-#else
-#define HAS_SYNC_FETCH_AND_ADD 1
-#endif
-
-// use ugly atomic variable sync since that doesn't require calling back into
-// Go code or OS dependencies
-static void issue7978c(uint32_t *sync) {
-#if HAS_SYNC_FETCH_AND_ADD
- while(__sync_fetch_and_add(sync, 0) != 0)
- ;
- __sync_fetch_and_add(sync, 1);
- while(__sync_fetch_and_add(sync, 0) != 2)
- ;
- issue7978cb();
- __sync_fetch_and_add(sync, 1);
- while(__sync_fetch_and_add(sync, 0) != 6)
- ;
-#endif
-}
-*/
-import "C"
-
-import (
- "runtime"
- "runtime/debug"
- "strings"
- "sync/atomic"
- "testing"
-)
-
-var issue7978sync uint32
-
-func issue7978check(t *testing.T, wantFunc string, badFunc string, depth int) {
- runtime.GC()
- buf := make([]byte, 65536)
- trace := string(buf[:runtime.Stack(buf, true)])
- for _, goroutine := range strings.Split(trace, "\n\n") {
- if strings.Contains(goroutine, "test.issue7978go") {
- trace := strings.Split(goroutine, "\n")
- // look for the expected function in the stack
- for i := 0; i < depth; i++ {
- if badFunc != "" && strings.Contains(trace[1+2*i], badFunc) {
- t.Errorf("bad stack: found %s in the stack:\n%s", badFunc, goroutine)
- return
- }
- if strings.Contains(trace[1+2*i], wantFunc) {
- return
- }
- }
- t.Errorf("bad stack: didn't find %s in the stack:\n%s", wantFunc, goroutine)
- return
- }
- }
- t.Errorf("bad stack: goroutine not found. Full stack dump:\n%s", trace)
-}
-
-func issue7978wait(store uint32, wait uint32) {
- if store != 0 {
- atomic.StoreUint32(&issue7978sync, store)
- }
- for atomic.LoadUint32(&issue7978sync) != wait {
- runtime.Gosched()
- }
-}
-
-//export issue7978cb
-func issue7978cb() {
- // Force a stack growth from the callback to put extra
- // pressure on the runtime. See issue #17785.
- growStack(64)
- issue7978wait(3, 4)
-}
-
-func growStack(n int) int {
- var buf [128]int
- if n == 0 {
- return 0
- }
- return buf[growStack(n-1)]
-}
-
-func issue7978go() {
- C.issue7978c((*C.uint32_t)(&issue7978sync))
- issue7978wait(7, 8)
-}
-
-func test7978(t *testing.T) {
- if runtime.Compiler == "gccgo" {
- t.Skip("gccgo can not do stack traces of C code")
- }
- if C.HAS_SYNC_FETCH_AND_ADD == 0 {
- t.Skip("clang required for __sync_fetch_and_add support on darwin/arm")
- }
- debug.SetTraceback("2")
- issue7978sync = 0
- go issue7978go()
- // test in c code, before callback
- issue7978wait(0, 1)
- issue7978check(t, "_Cfunc_issue7978c(", "", 1)
- // test in go code, during callback
- issue7978wait(2, 3)
- issue7978check(t, "test.issue7978cb(", "test.issue7978go", 3)
- // test in c code, after callback
- issue7978wait(4, 5)
- issue7978check(t, "_Cfunc_issue7978c(", "_cgoexpwrap", 1)
- // test in go code, after return from cgo
- issue7978wait(6, 7)
- issue7978check(t, "test.issue7978go(", "", 3)
- atomic.StoreUint32(&issue7978sync, 8)
-}
+++ /dev/null
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Issue 8092. Test that linker defined symbols (e.g., text, data) don't
-// conflict with C symbols.
-
-package cgotest
-
-/*
-char text[] = "text";
-char data[] = "data";
-char *ctext(void) { return text; }
-char *cdata(void) { return data; }
-*/
-import "C"
-
-import "testing"
-
-func test8092(t *testing.T) {
- tests := []struct {
- s string
- a, b *C.char
- }{
- {"text", &C.text[0], C.ctext()},
- {"data", &C.data[0], C.cdata()},
- }
- for _, test := range tests {
- if test.a != test.b {
- t.Errorf("%s: pointer mismatch: %v != %v", test.s, test.a, test.b)
- }
- if got := C.GoString(test.a); got != test.s {
- t.Errorf("%s: points at %#v, want %#v", test.s, got, test.s)
- }
- }
-}
+++ /dev/null
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Issue 8331. A typedef of an unnamed struct is the same struct when
-// #include'd twice. No runtime test; just make sure it compiles.
-
-package cgotest
-
-// #include "issue8331.h"
-import "C"
-
-func issue8331a() C.issue8331 {
- return issue8331Var
-}
+++ /dev/null
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Issue 8331. A typedef of an unnamed struct is the same struct when
-// #include'd twice. No runtime test; just make sure it compiles.
-
-package cgotest
-
-// #include "issue8331.h"
-import "C"
-
-var issue8331Var C.issue8331
+++ /dev/null
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// This test fails on older versions of OS X because they use older buggy
-// versions of Clang that emit ambiguous DWARF info. See issue 8611.
-// +build !darwin
-
-package cgotest
-
-// Issue 8428. Cgo inconsistently translated zero size arrays.
-
-/*
-struct issue8428one {
- char b;
- char rest[];
-};
-
-struct issue8428two {
- void *p;
- char b;
- char rest[0];
- char pad;
-};
-
-struct issue8428three {
- char w[1][2][3][0];
- char x[2][3][0][1];
- char y[3][0][1][2];
- char z[0][1][2][3];
-};
-*/
-import "C"
-
-import "unsafe"
-
-var _ = C.struct_issue8428one{
- b: C.char(0),
- // The trailing rest field is not available in cgo.
- // See issue 11925.
- // rest: [0]C.char{},
-}
-
-var _ = C.struct_issue8428two{
- p: unsafe.Pointer(nil),
- b: C.char(0),
- rest: [0]C.char{},
-}
-
-var _ = C.struct_issue8428three{
- w: [1][2][3][0]C.char{},
- x: [2][3][0][1]C.char{},
- y: [3][0][1][2]C.char{},
- z: [0][1][2][3]C.char{},
-}
+++ /dev/null
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Issue 8368 and 8441. Recursive struct definitions didn't work.
-// No runtime test; just make sure it compiles.
-
-package cgotest
-
-/*
-typedef struct one one;
-typedef struct two two;
-struct one {
- two *x;
-};
-struct two {
- one *x;
-};
-*/
-import "C"
-
-func issue8368(one *C.struct_one, two *C.struct_two) {
-}
-
-func issue8441(one *C.one, two *C.two) {
- issue8441(two.x, one.x)
-}
+++ /dev/null
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package cgotest
-
-/*
-extern int issue8811Initialized;
-extern void issue8811Init();
-
-void issue8811Execute() {
- if(!issue8811Initialized)
- issue8811Init();
-}
-*/
-import "C"
-
-import "testing"
-
-func test8811(t *testing.T) {
- C.issue8811Execute()
-}
+++ /dev/null
-// Copyright 2015 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// cgo rewrote C.var to *_Cvar_var, but left
-// C.var.field as _Cvar.var.field. It now rewrites
-// the latter as (*_Cvar_var).field.
-// See https://golang.org/issue/9557.
-
-package cgotest
-
-// struct issue9557_t {
-// int a;
-// } test9557bar = { 42 };
-//
-// struct issue9557_t *issue9557foo = &test9557bar;
-import "C"
-import "testing"
-
-func test9557(t *testing.T) {
- // implicitly dereference a Go variable
- foo := C.issue9557foo
- if v := foo.a; v != 42 {
- t.Fatalf("foo.a expected 42, but got %d", v)
- }
-
- // explicitly dereference a C variable
- if v := (*C.issue9557foo).a; v != 42 {
- t.Fatalf("(*C.issue9557foo).a expected 42, but is %d", v)
- }
-
- // implicitly dereference a C variable
- if v := C.issue9557foo.a; v != 42 {
- t.Fatalf("C.issue9557foo.a expected 42, but is %d", v)
- }
-}
--- /dev/null
+// Copyright 2010 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Test cases for cgo.
+// Both the import "C" prologue and the main file are sorted by issue number.
+// This file contains C definitions (not just declarations)
+// and so it must NOT contain any //export directives on Go functions.
+// See testx.go for exports.
+
+package cgotest
+
+/*
+#include <complex.h>
+#include <math.h>
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/stat.h>
+#include <errno.h>
+#cgo LDFLAGS: -lm
+
+#ifndef WIN32
+#include <pthread.h>
+#include <signal.h>
+#endif
+
+// alignment tests
+
+typedef unsigned char Uint8;
+typedef unsigned short Uint16;
+
+typedef enum {
+ MOD1 = 0x0000,
+ MODX = 0x8000
+} SDLMod;
+
+typedef enum {
+ A1 = 1,
+ B1 = 322,
+ SDLK_LAST
+} SDLKey;
+
+typedef struct SDL_keysym {
+ Uint8 scancode;
+ SDLKey sym;
+ SDLMod mod;
+ Uint16 unicode;
+} SDL_keysym;
+
+typedef struct SDL_KeyboardEvent {
+ Uint8 typ;
+ Uint8 which;
+ Uint8 state;
+ SDL_keysym keysym;
+} SDL_KeyboardEvent;
+
+void makeEvent(SDL_KeyboardEvent *event) {
+ unsigned char *p;
+ int i;
+
+ p = (unsigned char*)event;
+ for (i=0; i<sizeof *event; i++) {
+ p[i] = i;
+ }
+}
+
+int same(SDL_KeyboardEvent* e, Uint8 typ, Uint8 which, Uint8 state, Uint8 scan, SDLKey sym, SDLMod mod, Uint16 uni) {
+ return e->typ == typ && e->which == which && e->state == state && e->keysym.scancode == scan && e->keysym.sym == sym && e->keysym.mod == mod && e->keysym.unicode == uni;
+}
+
+void cTest(SDL_KeyboardEvent *event) {
+ printf("C: %#x %#x %#x %#x %#x %#x %#x\n", event->typ, event->which, event->state,
+ event->keysym.scancode, event->keysym.sym, event->keysym.mod, event->keysym.unicode);
+ fflush(stdout);
+}
+
+// api
+
+const char *greeting = "hello, world";
+
+// basic test cases
+
+#define SHIFT(x, y) ((x)<<(y))
+#define KILO SHIFT(1, 10)
+#define UINT32VAL 0xc008427bU
+
+enum E {
+ Enum1 = 1,
+ Enum2 = 2,
+};
+
+typedef unsigned char cgo_uuid_t[20];
+
+void uuid_generate(cgo_uuid_t x) {
+ x[0] = 0;
+}
+
+struct S {
+ int x;
+};
+
+const char *cstr = "abcefghijklmnopqrstuvwxyzABCEFGHIJKLMNOPQRSTUVWXYZ1234567890";
+
+extern enum E myConstFunc(struct S* const ctx, int const id, struct S **const filter);
+
+enum E myConstFunc(struct S *const ctx, int const id, struct S **const filter) { return 0; }
+
+int add(int x, int y) {
+ return x+y;
+};
+
+// complex alignment
+
+struct {
+ float x;
+ _Complex float y;
+} cplxAlign = { 3.14, 2.17 };
+
+// constants and pointer checking
+
+#define CheckConstVal 0
+
+typedef struct {
+ int *p;
+} CheckConstStruct;
+
+static void CheckConstFunc(CheckConstStruct *p, int e) {}
+
+// duplicate symbol
+
+int base_symbol = 0;
+#define alias_one base_symbol
+#define alias_two base_symbol
+
+// function pointer variables
+
+typedef int (*intFunc) ();
+
+int
+bridge_int_func(intFunc f)
+{
+ return f();
+}
+
+int fortytwo()
+{
+ return 42;
+}
+
+// issue 1222
+typedef union {
+ long align;
+} xxpthread_mutex_t;
+struct ibv_async_event {
+ union {
+ int x;
+ } element;
+};
+struct ibv_context {
+ xxpthread_mutex_t mutex;
+};
+
+// issue 1635
+// Mac OS X's gcc will generate scattered relocation 2/1 for
+// this function on Darwin/386, and 8l couldn't handle it.
+// this example is in issue 1635
+void scatter() {
+ void *p = scatter;
+ printf("scatter = %p\n", p);
+}
+
+// Adding this explicit extern declaration makes this a test for
+// https://gcc.gnu.org/PR68072 aka https://golang.org/issue/13344 .
+// It used to cause a cgo error when building with GCC 6.
+extern int hola;
+
+// this example is in issue 3253
+int hola = 0;
+int testHola() { return hola; }
+
+// issue 3250
+#ifdef WIN32
+void testSendSIG() {}
+#else
+static void *thread(void *p) {
+ const int M = 100;
+ int i;
+ (void)p;
+ for (i = 0; i < M; i++) {
+ pthread_kill(pthread_self(), SIGCHLD);
+ usleep(rand() % 20 + 5);
+ }
+ return NULL;
+}
+void testSendSIG() {
+ const int N = 20;
+ int i;
+ pthread_t tid[N];
+ for (i = 0; i < N; i++) {
+ usleep(rand() % 200 + 100);
+ pthread_create(&tid[i], 0, thread, NULL);
+ }
+ for (i = 0; i < N; i++)
+ pthread_join(tid[i], 0);
+}
+#endif
+
+// issue 3261
+// libgcc on ARM might be compiled as thumb code, but our 5l
+// can't handle that, so we have to disable this test on arm.
+#ifdef __ARMEL__
+int vabs(int x) {
+ puts("testLibgcc is disabled on ARM because 5l cannot handle thumb library.");
+ return (x < 0) ? -x : x;
+}
+#elif defined(__arm64__) && defined(__clang__)
+int vabs(int x) {
+ puts("testLibgcc is disabled on ARM64 with clang due to lack of libgcc.");
+ return (x < 0) ? -x : x;
+}
+#else
+int __absvsi2(int); // dummy prototype for libgcc function
+// we shouldn't name the function abs, as gcc might use
+// the builtin one.
+int vabs(int x) { return __absvsi2(x); }
+#endif
+
+
+// issue 3729
+// access errno from void C function
+const char _expA = 0x42;
+const float _expB = 3.14159;
+const short _expC = 0x55aa;
+const int _expD = 0xdeadbeef;
+
+#ifdef WIN32
+void g(void) {}
+void g2(int x, char a, float b, short c, int d) {}
+#else
+
+void g(void) {
+ errno = E2BIG;
+}
+
+// try to pass some non-trivial arguments to function g2
+void g2(int x, char a, float b, short c, int d) {
+ if (a == _expA && b == _expB && c == _expC && d == _expD)
+ errno = x;
+ else
+ errno = -1;
+}
+#endif
+
+// issue 3945
+// Test that cgo reserves enough stack space during cgo call.
+// See https://golang.org/issue/3945 for details.
+void say() {
+ printf("%s from C\n", "hello");
+}
+
+// issue 4054 part 1 - other half in testx.go
+
+typedef enum {
+ A = 0,
+ B,
+ C,
+ D,
+ E,
+ F,
+ G,
+ H,
+ II,
+ J,
+} issue4054a;
+
+// issue 4339
+// We've historically permitted #include <>, so test it here. Issue 29333.
+#include <issue4339.h>
+
+// issue 4417
+// cmd/cgo: bool alignment/padding issue.
+// bool alignment is wrong and causing wrong arguments when calling functions.
+static int c_bool(bool a, bool b, int c, bool d, bool e) {
+ return c;
+}
+
+// issue 4857
+#cgo CFLAGS: -Werror
+const struct { int a; } *issue4857() { return (void *)0; }
+
+// issue 5224
+// Test that the #cgo CFLAGS directive works,
+// with and without platform filters.
+#cgo CFLAGS: -DCOMMON_VALUE=123
+#cgo windows CFLAGS: -DIS_WINDOWS=1
+#cgo !windows CFLAGS: -DIS_WINDOWS=0
+int common = COMMON_VALUE;
+int is_windows = IS_WINDOWS;
+
+// issue 5227
+// linker incorrectly treats common symbols and
+// leaves them undefined.
+
+typedef struct {
+ int Count;
+} Fontinfo;
+
+Fontinfo SansTypeface;
+
+extern void init();
+
+Fontinfo loadfont() {
+ Fontinfo f = {0};
+ return f;
+}
+
+void init() {
+ SansTypeface = loadfont();
+}
+
+// issue 5242
+// Cgo incorrectly computed the alignment of structs
+// with no Go accessible fields as 0, and then panicked on
+// modulo-by-zero computations.
+typedef struct {
+} foo;
+
+typedef struct {
+ int x : 1;
+} bar;
+
+int issue5242(foo f, bar b) {
+ return 5242;
+}
+
+// issue 5337
+// Verify that we can withstand SIGPROF received on foreign threads
+
+#ifdef WIN32
+void test5337() {}
+#else
+static void *thread1(void *p) {
+ (void)p;
+ pthread_kill(pthread_self(), SIGPROF);
+ return NULL;
+}
+void test5337() {
+ pthread_t tid;
+ pthread_create(&tid, 0, thread1, NULL);
+ pthread_join(tid, 0);
+}
+#endif
+
+// issue 5603
+
+const long long issue5603exp = 0x12345678;
+long long issue5603foo0() { return issue5603exp; }
+long long issue5603foo1(void *p) { return issue5603exp; }
+long long issue5603foo2(void *p, void *q) { return issue5603exp; }
+long long issue5603foo3(void *p, void *q, void *r) { return issue5603exp; }
+long long issue5603foo4(void *p, void *q, void *r, void *s) { return issue5603exp; }
+
+// issue 5740
+
+int test5740a(void), test5740b(void);
+
+// issue 5986
+static void output5986()
+{
+ int current_row = 0, row_count = 0;
+ double sum_squares = 0;
+ double d;
+ do {
+ if (current_row == 10) {
+ current_row = 0;
+ }
+ ++row_count;
+ }
+ while (current_row++ != 1);
+ d = sqrt(sum_squares / row_count);
+ printf("sqrt is: %g\n", d);
+}
+
+// issue 6128
+// Test handling of #defined names in clang.
+// NOTE: Must use hex, or else a shortcut for decimals
+// in cgo avoids trying to pass this to clang.
+#define X 0x1
+
+// issue 6472
+typedef struct
+{
+ struct
+ {
+ int x;
+ } y[16];
+} z;
+
+// issue 6612
+// Test new scheme for deciding whether C.name is an expression, type, constant.
+// Clang silences some warnings when the name is a #defined macro, so test those too
+// (even though we now use errors exclusively, not warnings).
+
+void myfunc(void) {}
+int myvar = 5;
+const char *mytext = "abcdef";
+typedef int mytype;
+enum {
+ myenum = 1234,
+};
+
+#define myfunc_def myfunc
+#define myvar_def myvar
+#define mytext_def mytext
+#define mytype_def mytype
+#define myenum_def myenum
+#define myint_def 12345
+#define myfloat_def 1.5
+#define mystring_def "hello"
+
+// issue 6907
+char* Issue6907CopyString(_GoString_ s) {
+ size_t n;
+ const char *p;
+ char *r;
+
+ n = _GoStringLen(s);
+ p = _GoStringPtr(s);
+ r = malloc(n + 1);
+ memmove(r, p, n);
+ r[n] = '\0';
+ return r;
+}
+
+// issue 7560
+typedef struct {
+ char x;
+ long y;
+} __attribute__((__packed__)) misaligned;
+
+int
+offset7560(void)
+{
+ return (uintptr_t)&((misaligned*)0)->y;
+}
+
+// issue 7786
+// No runtime test, just make sure that typedef and struct/union/class are interchangeable at compile time.
+
+struct test7786;
+typedef struct test7786 typedef_test7786;
+void f7786(struct test7786 *ctx) {}
+void g7786(typedef_test7786 *ctx) {}
+
+typedef struct body7786 typedef_body7786;
+struct body7786 { int x; };
+void b7786(struct body7786 *ctx) {}
+void c7786(typedef_body7786 *ctx) {}
+
+typedef union union7786 typedef_union7786;
+void u7786(union union7786 *ctx) {}
+void v7786(typedef_union7786 *ctx) {}
+
+// issue 8092
+// Test that linker defined symbols (e.g., text, data) don't
+// conflict with C symbols.
+char text[] = "text";
+char data[] = "data";
+char *ctext(void) { return text; }
+char *cdata(void) { return data; }
+
+// issue 8428
+// Cgo inconsistently translated zero size arrays.
+
+struct issue8428one {
+ char b;
+ char rest[];
+};
+
+struct issue8428two {
+ void *p;
+ char b;
+ char rest[0];
+ char pad;
+};
+
+struct issue8428three {
+ char w[1][2][3][0];
+ char x[2][3][0][1];
+ char y[3][0][1][2];
+ char z[0][1][2][3];
+};
+
+// issue 8331 part 1 - part 2 in testx.go
+// A typedef of an unnamed struct is the same struct when
+// #include'd twice. No runtime test; just make sure it compiles.
+#include "issue8331.h"
+
+// issue 8368 and 8441
+// Recursive struct definitions didn't work.
+// No runtime test; just make sure it compiles.
+typedef struct one one;
+typedef struct two two;
+struct one {
+ two *x;
+};
+struct two {
+ one *x;
+};
+
+// issue 8811
+
+extern int issue8811Initialized;
+extern void issue8811Init();
+
+void issue8811Execute() {
+ if(!issue8811Initialized)
+ issue8811Init();
+}
+
+// issue 9557
+
+struct issue9557_t {
+ int a;
+} test9557bar = { 42 };
+struct issue9557_t *issue9557foo = &test9557bar;
+
+// issue 10303
+// Pointers passed to C were not marked as escaping (bug in cgo).
+
+typedef int *intptr;
+
+void setintstar(int *x) {
+ *x = 1;
+}
+
+void setintptr(intptr x) {
+ *x = 1;
+}
+
+void setvoidptr(void *x) {
+ *(int*)x = 1;
+}
+
+typedef struct Struct Struct;
+struct Struct {
+ int *P;
+};
+
+void setstruct(Struct s) {
+ *s.P = 1;
+}
+
+// issue 11925
+// Structs with zero-length trailing fields are now padded by the Go compiler.
+
+struct a11925 {
+ int i;
+ char a[0];
+ char b[0];
+};
+
+struct b11925 {
+ int i;
+ char a[0];
+ char b[];
+};
+
+// issue 12030
+void issue12030conv(char *buf, double x) {
+ sprintf(buf, "d=%g", x);
+}
+
+// issue 14838
+
+int check_cbytes(char *b, size_t l) {
+ int i;
+ for (i = 0; i < l; i++) {
+ if (b[i] != i) {
+ return 0;
+ }
+ }
+ return 1;
+}
+
+// issue 17065
+// Test that C symbols larger than a page play nicely with the race detector.
+int ii[65537];
+
+// issue 17537
+// The void* cast introduced by cgo to avoid problems
+// with const/volatile qualifiers breaks C preprocessor macros that
+// emulate functions.
+
+typedef struct {
+ int i;
+} S17537;
+
+int I17537(S17537 *p);
+
+#define I17537(p) ((p)->i)
+
+// Calling this function used to fail without the cast.
+const int F17537(const char **p) {
+ return **p;
+}
+
+// issue 17723
+// API compatibility checks
+
+typedef char *cstring_pointer;
+static void cstring_pointer_fun(cstring_pointer dummy) { }
+const char *api_hello = "hello!";
+
+// Calling this function used to trigger an error from the C compiler
+// (issue 18298).
+void F18298(const void *const *p) {
+}
+
+// Test that conversions between typedefs work as they used to.
+typedef const void *T18298_1;
+struct S18298 { int i; };
+typedef const struct S18298 *T18298_2;
+void G18298(T18298_1 t) {
+}
+
+// issue 18126
+// cgo check of void function returning errno.
+void Issue18126C(void **p) {}
+
+// issue 18720
+
+#define HELLO "hello"
+#define WORLD "world"
+#define HELLO_WORLD HELLO "\000" WORLD
+
+struct foo { char c; };
+#define SIZE_OF(x) sizeof(x)
+#define SIZE_OF_FOO SIZE_OF(struct foo)
+#define VAR1 VAR
+#define VAR var
+int var = 5;
+
+#define ADDR &var
+
+#define CALL fn()
+int fn(void) {
+ return ++var;
+}
+
+// issue 20129
+
+int issue20129 = 0;
+typedef void issue20129Void;
+issue20129Void issue20129Foo() {
+ issue20129 = 1;
+}
+typedef issue20129Void issue20129Void2;
+issue20129Void2 issue20129Bar() {
+ issue20129 = 2;
+}
+
+// issue 20369
+#define XUINT64_MAX 18446744073709551615ULL
+
+// issue 21668
+// Fail to guess the kind of the constant "x".
+// No runtime test; just make sure it compiles.
+const int x21668 = 42;
+
+// issue 21708
+#define CAST_TO_INT64 (int64_t)(-1)
+
+// issue 21809
+// Compile C `typedef` to go type aliases.
+
+typedef long MySigned_t;
+// tests alias-to-alias
+typedef MySigned_t MySigned2_t;
+long takes_long(long x) { return x * x; }
+MySigned_t takes_typedef(MySigned_t x) { return x * x; }
+
+// issue 22906
+
+// It's going to be hard to include a whole real JVM to test this.
+// So we'll simulate a really easy JVM using just the parts we need.
+// This is the relevant part of jni.h.
+
+struct _jobject;
+
+typedef struct _jobject *jobject;
+typedef jobject jclass;
+typedef jobject jthrowable;
+typedef jobject jstring;
+typedef jobject jarray;
+typedef jarray jbooleanArray;
+typedef jarray jbyteArray;
+typedef jarray jcharArray;
+typedef jarray jshortArray;
+typedef jarray jintArray;
+typedef jarray jlongArray;
+typedef jarray jfloatArray;
+typedef jarray jdoubleArray;
+typedef jarray jobjectArray;
+
+typedef jobject jweak;
+
+// Note: jvalue is already a non-pointer type due to it being a C union.
+
+// issue 22958
+
+typedef struct {
+ unsigned long long f8 : 8;
+ unsigned long long f16 : 16;
+ unsigned long long f24 : 24;
+ unsigned long long f32 : 32;
+ unsigned long long f40 : 40;
+ unsigned long long f48 : 48;
+ unsigned long long f56 : 56;
+ unsigned long long f64 : 64;
+} issue22958Type;
+
+// issue 23356
+int a(void) { return 5; };
+int r(void) { return 3; };
+
+// issue 23720
+typedef int *issue23720A;
+typedef const int *issue23720B;
+void issue23720F(issue23720B a) {}
+
+// issue 24206
+#if defined(__linux__) && defined(__x86_64__)
+#include <sys/mman.h>
+// Returns string with null byte at the last valid address
+char* dangerousString1() {
+ int pageSize = 4096;
+ char *data = mmap(0, 2 * pageSize, PROT_READ|PROT_WRITE, MAP_ANON|MAP_PRIVATE, 0, 0);
+ mprotect(data + pageSize,pageSize,PROT_NONE);
+ int start = pageSize - 123 - 1; // last 123 bytes of first page + 1 null byte
+ int i = start;
+ for (; i < pageSize; i++) {
+ data[i] = 'x';
+ }
+ data[pageSize -1 ] = 0;
+ return data+start;
+}
+
+char* dangerousString2() {
+ int pageSize = 4096;
+ char *data = mmap(0, 3 * pageSize, PROT_READ|PROT_WRITE, MAP_ANON|MAP_PRIVATE, 0, 0);
+ mprotect(data + 2 * pageSize,pageSize,PROT_NONE);
+ int start = pageSize - 123 - 1; // last 123 bytes of first page + 1 null byte
+ int i = start;
+ for (; i < 2 * pageSize; i++) {
+ data[i] = 'x';
+ }
+ data[2*pageSize -1 ] = 0;
+ return data+start;
+}
+#else
+char *dangerousString1() { return NULL; }
+char *dangerousString2() { return NULL; }
+#endif
+
+// issue 26066
+const unsigned long long int issue26066 = (const unsigned long long) -1;
+
+// issue 26517
+// Introduce two pointer types which are distinct, but have the same
+// base type. Make sure that both of those pointer types get resolved
+// correctly. Before the fix for 26517 if one of these pointer types
+// was resolved before the other one was processed, the second one
+// would never be resolved.
+// Before this issue was fixed this test failed on Windows,
+// where va_list expands to a named char* type.
+typedef va_list TypeOne;
+typedef char *TypeTwo;
+
+// issue 28540
+
+static void twoargs1(void *p, int n) {}
+static void *twoargs2() { return 0; }
+static int twoargs3(void * p) { return 0; }
+
+// issue 28545
+// Failed to add type conversion for negative constant.
+
+static void issue28545F(char **p, int n, complex double a) {}
+
+// issue 28772 part 1 - part 2 in testx.go
+// Failed to add type conversion for Go constant set to C constant.
+// No runtime test; just make sure it compiles.
+
+#define issue28772Constant 1
+
+// issue 28896
+// cgo was incorrectly adding padding after a packed struct.
+typedef struct {
+ void *f1;
+ uint32_t f2;
+} __attribute__((__packed__)) innerPacked;
+
+typedef struct {
+ innerPacked g1;
+ uint64_t g2;
+} outerPacked;
+
+typedef struct {
+ void *f1;
+ uint32_t f2;
+} innerUnpacked;
+
+typedef struct {
+ innerUnpacked g1;
+ uint64_t g2;
+} outerUnpacked;
+
+size_t offset(int x) {
+ switch (x) {
+ case 0:
+ return offsetof(innerPacked, f2);
+ case 1:
+ return offsetof(outerPacked, g2);
+ case 2:
+ return offsetof(innerUnpacked, f2);
+ case 3:
+ return offsetof(outerUnpacked, g2);
+ default:
+ abort();
+ }
+}
+
+// issue 29748
+
+typedef struct { char **p; } S29748;
+static int f29748(S29748 *p) { return 0; }
+
+// issue 29781
+// Error with newline inserted into constant expression.
+// Compilation test only, nothing to run.
+
+static void issue29781F(char **p, int n) {}
+#define ISSUE29781C 0
+
+// issue 29878
+uint64_t issue29878exported(int8_t); // prototype must match
+int16_t issue29878function(uint32_t arg) { return issue29878exported(arg); }
+
+*/
+import "C"
+
+import (
+ "context"
+ "fmt"
+ "math"
+ "math/rand"
+ "os"
+ "os/signal"
+ "reflect"
+ "runtime"
+ "sync"
+ "syscall"
+ "testing"
+ "time"
+ "unsafe"
+)
+
+// alignment
+
+func testAlign(t *testing.T) {
+ var evt C.SDL_KeyboardEvent
+ C.makeEvent(&evt)
+ if C.same(&evt, evt.typ, evt.which, evt.state, evt.keysym.scancode, evt.keysym.sym, evt.keysym.mod, evt.keysym.unicode) == 0 {
+ t.Error("*** bad alignment")
+ C.cTest(&evt)
+ t.Errorf("Go: %#x %#x %#x %#x %#x %#x %#x\n",
+ evt.typ, evt.which, evt.state, evt.keysym.scancode,
+ evt.keysym.sym, evt.keysym.mod, evt.keysym.unicode)
+ t.Error(evt)
+ }
+}
+
+// api
+
+const greeting = "hello, world"
+
+type testPair struct {
+ Name string
+ Got, Want interface{}
+}
+
+var testPairs = []testPair{
+ {"GoString", C.GoString(C.greeting), greeting},
+ {"GoStringN", C.GoStringN(C.greeting, 5), greeting[:5]},
+ {"GoBytes", C.GoBytes(unsafe.Pointer(C.greeting), 5), []byte(greeting[:5])},
+}
+
+func testHelpers(t *testing.T) {
+ for _, pair := range testPairs {
+ if !reflect.DeepEqual(pair.Got, pair.Want) {
+ t.Errorf("%s: got %#v, want %#v", pair.Name, pair.Got, pair.Want)
+ }
+ }
+}
+
+// basic test cases
+
+const EINVAL = C.EINVAL /* test #define */
+
+var KILO = C.KILO
+
+func uuidgen() {
+ var uuid C.cgo_uuid_t
+ C.uuid_generate(&uuid[0])
+}
+
+func Strtol(s string, base int) (int, error) {
+ p := C.CString(s)
+ n, err := C.strtol(p, nil, C.int(base))
+ C.free(unsafe.Pointer(p))
+ return int(n), err
+}
+
+func Atol(s string) int {
+ p := C.CString(s)
+ n := C.atol(p)
+ C.free(unsafe.Pointer(p))
+ return int(n)
+}
+
+func testConst(t *testing.T) {
+ C.myConstFunc(nil, 0, nil)
+}
+
+func testEnum(t *testing.T) {
+ if C.Enum1 != 1 || C.Enum2 != 2 {
+ t.Error("bad enum", C.Enum1, C.Enum2)
+ }
+}
+
+func testAtol(t *testing.T) {
+ l := Atol("123")
+ if l != 123 {
+ t.Error("Atol 123: ", l)
+ }
+}
+
+func testErrno(t *testing.T) {
+ p := C.CString("no-such-file")
+ m := C.CString("r")
+ f, err := C.fopen(p, m)
+ C.free(unsafe.Pointer(p))
+ C.free(unsafe.Pointer(m))
+ if err == nil {
+ C.fclose(f)
+ t.Fatalf("C.fopen: should fail")
+ }
+ if err != syscall.ENOENT {
+ t.Fatalf("C.fopen: unexpected error: %v", err)
+ }
+}
+
+func testMultipleAssign(t *testing.T) {
+ p := C.CString("234")
+ n, m := C.strtol(p, nil, 345), C.strtol(p, nil, 10)
+ if runtime.GOOS == "openbsd" {
+ // Bug in OpenBSD strtol(3) - base > 36 succeeds.
+ if (n != 0 && n != 239089) || m != 234 {
+ t.Fatal("Strtol x2: ", n, m)
+ }
+ } else if n != 0 || m != 234 {
+ t.Fatal("Strtol x2: ", n, m)
+ }
+ C.free(unsafe.Pointer(p))
+}
+
+var (
+ cuint = (C.uint)(0)
+ culong C.ulong
+ cchar C.char
+)
+
+type Context struct {
+ ctx *C.struct_ibv_context
+}
+
+func benchCgoCall(b *testing.B) {
+ const x = C.int(2)
+ const y = C.int(3)
+ for i := 0; i < b.N; i++ {
+ C.add(x, y)
+ }
+}
+
+var sinkString string
+
+func benchGoString(b *testing.B) {
+ for i := 0; i < b.N; i++ {
+ sinkString = C.GoString(C.cstr)
+ }
+ const want = "abcefghijklmnopqrstuvwxyzABCEFGHIJKLMNOPQRSTUVWXYZ1234567890"
+ if sinkString != want {
+ b.Fatalf("%q != %q", sinkString, want)
+ }
+}
+
+// Static (build-time) test that syntax traversal visits all operands of s[i:j:k].
+func sliceOperands(array [2000]int) {
+ _ = array[C.KILO:C.KILO:C.KILO] // no type error
+}
+
+// set in cgo_thread_lock.go init
+var testThreadLockFunc = func(*testing.T) {}
+
+// complex alignment
+
+func TestComplexAlign(t *testing.T) {
+ if C.cplxAlign.x != 3.14 {
+ t.Errorf("got %v, expected 3.14", C.cplxAlign.x)
+ }
+ if C.cplxAlign.y != 2.17 {
+ t.Errorf("got %v, expected 2.17", C.cplxAlign.y)
+ }
+}
+
+// constants and pointer checking
+
+func testCheckConst(t *testing.T) {
+ // The test is that this compiles successfully.
+ p := C.malloc(C.size_t(unsafe.Sizeof(C.int(0))))
+ defer C.free(p)
+ C.CheckConstFunc(&C.CheckConstStruct{(*C.int)(p)}, C.CheckConstVal)
+}
+
+// duplicate symbol
+
+func duplicateSymbols() {
+ fmt.Printf("%v %v %v\n", C.base_symbol, C.alias_one, C.alias_two)
+}
+
+// environment
+
+// This is really an os package test but here for convenience.
+func testSetEnv(t *testing.T) {
+ if runtime.GOOS == "windows" {
+ // Go uses SetEnvironmentVariable on windows. However,
+ // C runtime takes a *copy* at process startup of the
+ // OS environment, and stores it in environ/envp.
+ // It is this copy that getenv/putenv manipulate.
+ t.Logf("skipping test")
+ return
+ }
+ const key = "CGO_OS_TEST_KEY"
+ const val = "CGO_OS_TEST_VALUE"
+ os.Setenv(key, val)
+ keyc := C.CString(key)
+ defer C.free(unsafe.Pointer(keyc))
+ v := C.getenv(keyc)
+ if uintptr(unsafe.Pointer(v)) == 0 {
+ t.Fatal("getenv returned NULL")
+ }
+ vs := C.GoString(v)
+ if vs != val {
+ t.Fatalf("getenv() = %q; want %q", vs, val)
+ }
+}
+
+// function pointer variables
+
+func callBridge(f C.intFunc) int {
+ return int(C.bridge_int_func(f))
+}
+
+func callCBridge(f C.intFunc) C.int {
+ return C.bridge_int_func(f)
+}
+
+func testFpVar(t *testing.T) {
+ const expected = 42
+ f := C.intFunc(C.fortytwo)
+ res1 := C.bridge_int_func(f)
+ if r1 := int(res1); r1 != expected {
+ t.Errorf("got %d, want %d", r1, expected)
+ }
+ res2 := callCBridge(f)
+ if r2 := int(res2); r2 != expected {
+ t.Errorf("got %d, want %d", r2, expected)
+ }
+ r3 := callBridge(f)
+ if r3 != expected {
+ t.Errorf("got %d, want %d", r3, expected)
+ }
+}
+
+// issue 1222
+type AsyncEvent struct {
+ event C.struct_ibv_async_event
+}
+
+// issue 1635
+
+func test1635(t *testing.T) {
+ C.scatter()
+ if v := C.hola; v != 0 {
+ t.Fatalf("C.hola is %d, should be 0", v)
+ }
+ if v := C.testHola(); v != 0 {
+ t.Fatalf("C.testHola() is %d, should be 0", v)
+ }
+}
+
+// issue 2470
+
+func testUnsignedInt(t *testing.T) {
+ a := (int64)(C.UINT32VAL)
+ b := (int64)(0xc008427b)
+ if a != b {
+ t.Errorf("Incorrect unsigned int - got %x, want %x", a, b)
+ }
+}
+
+// issue 3250
+
+func test3250(t *testing.T) {
+ if runtime.GOOS == "windows" {
+ t.Skip("not applicable on windows")
+ }
+
+ t.Skip("skipped, see golang.org/issue/5885")
+ var (
+ thres = 1
+ sig = syscall_dot_SIGCHLD
+ )
+ type result struct {
+ n int
+ sig os.Signal
+ }
+ var (
+ sigCh = make(chan os.Signal, 10)
+ waitStart = make(chan struct{})
+ waitDone = make(chan result)
+ )
+
+ signal.Notify(sigCh, sig)
+
+ go func() {
+ n := 0
+ alarm := time.After(time.Second * 3)
+ for {
+ select {
+ case <-waitStart:
+ waitStart = nil
+ case v := <-sigCh:
+ n++
+ if v != sig || n > thres {
+ waitDone <- result{n, v}
+ return
+ }
+ case <-alarm:
+ waitDone <- result{n, sig}
+ return
+ }
+ }
+ }()
+
+ waitStart <- struct{}{}
+ C.testSendSIG()
+ r := <-waitDone
+ if r.sig != sig {
+ t.Fatalf("received signal %v, but want %v", r.sig, sig)
+ }
+ t.Logf("got %d signals\n", r.n)
+ if r.n <= thres {
+ t.Fatalf("expected more than %d", thres)
+ }
+}
+
+// issue 3261
+
+func testLibgcc(t *testing.T) {
+ var table = []struct {
+ in, out C.int
+ }{
+ {0, 0},
+ {1, 1},
+ {-42, 42},
+ {1000300, 1000300},
+ {1 - 1<<31, 1<<31 - 1},
+ }
+ for _, v := range table {
+ if o := C.vabs(v.in); o != v.out {
+ t.Fatalf("abs(%d) got %d, should be %d", v.in, o, v.out)
+ return
+ }
+ }
+}
+
+// issue 3729
+
+func test3729(t *testing.T) {
+ if runtime.GOOS == "windows" {
+ t.Skip("skipping on windows")
+ }
+
+ _, e := C.g()
+ if e != syscall.E2BIG {
+ t.Errorf("got %q, expect %q", e, syscall.E2BIG)
+ }
+ _, e = C.g2(C.EINVAL, C._expA, C._expB, C._expC, C._expD)
+ if e != syscall.EINVAL {
+ t.Errorf("got %q, expect %q", e, syscall.EINVAL)
+ }
+}
+
+// issue 3945
+
+func testPrintf(t *testing.T) {
+ C.say()
+}
+
+// issue 4054
+
+var issue4054a = []int{C.A, C.B, C.C, C.D, C.E, C.F, C.G, C.H, C.I, C.J}
+
+// issue 4339
+
+func test4339(t *testing.T) {
+ C.handle4339(&C.exported4339)
+}
+
+// issue 4417
+
+func testBoolAlign(t *testing.T) {
+ b := C.c_bool(true, true, 10, true, false)
+ if b != 10 {
+ t.Fatalf("found %d expected 10\n", b)
+ }
+ b = C.c_bool(true, true, 5, true, true)
+ if b != 5 {
+ t.Fatalf("found %d expected 5\n", b)
+ }
+ b = C.c_bool(true, true, 3, true, false)
+ if b != 3 {
+ t.Fatalf("found %d expected 3\n", b)
+ }
+ b = C.c_bool(false, false, 1, true, false)
+ if b != 1 {
+ t.Fatalf("found %d expected 1\n", b)
+ }
+ b = C.c_bool(false, true, 200, true, false)
+ if b != 200 {
+ t.Fatalf("found %d expected 200\n", b)
+ }
+}
+
+// issue 4857
+
+func test4857() {
+ _ = C.issue4857()
+}
+
+// issue 5224
+
+func testCflags(t *testing.T) {
+ is_windows := C.is_windows == 1
+ if is_windows != (runtime.GOOS == "windows") {
+ t.Errorf("is_windows: %v, runtime.GOOS: %s", is_windows, runtime.GOOS)
+ }
+ if C.common != 123 {
+ t.Errorf("common: %v (expected 123)", C.common)
+ }
+}
+
+// issue 5227
+
+func test5227(t *testing.T) {
+ C.init()
+}
+
+func selectfont() C.Fontinfo {
+ return C.SansTypeface
+}
+
+// issue 5242
+
+func test5242(t *testing.T) {
+ if got := C.issue5242(C.foo{}, C.bar{}); got != 5242 {
+ t.Errorf("got %v", got)
+ }
+}
+
+func test5603(t *testing.T) {
+ var x [5]int64
+ exp := int64(C.issue5603exp)
+ x[0] = int64(C.issue5603foo0())
+ x[1] = int64(C.issue5603foo1(nil))
+ x[2] = int64(C.issue5603foo2(nil, nil))
+ x[3] = int64(C.issue5603foo3(nil, nil, nil))
+ x[4] = int64(C.issue5603foo4(nil, nil, nil, nil))
+ for i, v := range x {
+ if v != exp {
+ t.Errorf("issue5603foo%d() returns %v, expected %v", i, v, exp)
+ }
+ }
+}
+
+// issue 5337
+
+func test5337(t *testing.T) {
+ C.test5337()
+}
+
+// issue 5740
+
+func test5740(t *testing.T) {
+ if v := C.test5740a() + C.test5740b(); v != 5 {
+ t.Errorf("expected 5, got %v", v)
+ }
+}
+
+// issue 5986
+
+func test5986(t *testing.T) {
+ C.output5986()
+}
+
+// issue 6128
+
+func test6128() {
+ // nothing to run, just make sure this compiles.
+ _ = C.X
+}
+
+// issue 6390
+
+func test6390(t *testing.T) {
+ p1 := C.malloc(1024)
+ if p1 == nil {
+ t.Fatalf("C.malloc(1024) returned nil")
+ }
+ p2 := C.malloc(0)
+ if p2 == nil {
+ t.Fatalf("C.malloc(0) returned nil")
+ }
+ C.free(p1)
+ C.free(p2)
+}
+
+func test6472() {
+ // nothing to run, just make sure this compiles
+ s := new(C.z)
+ println(s.y[0].x)
+}
+
+// issue 6506
+
+func test6506() {
+ // nothing to run, just make sure this compiles
+ var x C.size_t
+
+ C.calloc(x, x)
+ C.malloc(x)
+ C.realloc(nil, x)
+ C.memcpy(nil, nil, x)
+ C.memcmp(nil, nil, x)
+ C.memmove(nil, nil, x)
+ C.strncpy(nil, nil, x)
+ C.strncmp(nil, nil, x)
+ C.strncat(nil, nil, x)
+ x = C.strxfrm(nil, nil, x)
+ C.memchr(nil, 0, x)
+ x = C.strcspn(nil, nil)
+ x = C.strspn(nil, nil)
+ C.memset(nil, 0, x)
+ x = C.strlen(nil)
+ _ = x
+}
+
+// issue 6612
+
+func testNaming(t *testing.T) {
+ C.myfunc()
+ C.myfunc_def()
+ if v := C.myvar; v != 5 {
+ t.Errorf("C.myvar = %d, want 5", v)
+ }
+ if v := C.myvar_def; v != 5 {
+ t.Errorf("C.myvar_def = %d, want 5", v)
+ }
+ if s := C.GoString(C.mytext); s != "abcdef" {
+ t.Errorf("C.mytext = %q, want %q", s, "abcdef")
+ }
+ if s := C.GoString(C.mytext_def); s != "abcdef" {
+ t.Errorf("C.mytext_def = %q, want %q", s, "abcdef")
+ }
+ if c := C.myenum; c != 1234 {
+ t.Errorf("C.myenum = %v, want 1234", c)
+ }
+ if c := C.myenum_def; c != 1234 {
+ t.Errorf("C.myenum_def = %v, want 1234", c)
+ }
+ {
+ const c = C.myenum
+ if c != 1234 {
+ t.Errorf("C.myenum as const = %v, want 1234", c)
+ }
+ }
+ {
+ const c = C.myenum_def
+ if c != 1234 {
+ t.Errorf("C.myenum as const = %v, want 1234", c)
+ }
+ }
+ if c := C.myint_def; c != 12345 {
+ t.Errorf("C.myint_def = %v, want 12345", c)
+ }
+ {
+ const c = C.myint_def
+ if c != 12345 {
+ t.Errorf("C.myint as const = %v, want 12345", c)
+ }
+ }
+
+ if c := C.myfloat_def; c != 1.5 {
+ t.Errorf("C.myint_def = %v, want 1.5", c)
+ }
+ {
+ const c = C.myfloat_def
+ if c != 1.5 {
+ t.Errorf("C.myint as const = %v, want 1.5", c)
+ }
+ }
+
+ if s := C.mystring_def; s != "hello" {
+ t.Errorf("C.mystring_def = %q, want %q", s, "hello")
+ }
+}
+
+// issue 6907
+
+func test6907(t *testing.T) {
+ want := "yarn"
+ if got := C.GoString(C.Issue6907CopyString(want)); got != want {
+ t.Errorf("C.GoString(C.Issue6907CopyString(%q)) == %q, want %q", want, got, want)
+ }
+}
+
+// issue 7560
+
+func test7560(t *testing.T) {
+ // some mingw don't implement __packed__ correctly.
+ if C.offset7560() != 1 {
+ t.Skip("C compiler did not pack struct")
+ }
+
+ // C.misaligned should have x but then a padding field to get to the end of the struct.
+ // There should not be a field named 'y'.
+ var v C.misaligned
+ rt := reflect.TypeOf(&v).Elem()
+ if rt.NumField() != 2 || rt.Field(0).Name != "x" || rt.Field(1).Name != "_" {
+ t.Errorf("unexpected fields in C.misaligned:\n")
+ for i := 0; i < rt.NumField(); i++ {
+ t.Logf("%+v\n", rt.Field(i))
+ }
+ }
+}
+
+// issue 7786
+
+func f() {
+ var x1 *C.typedef_test7786
+ var x2 *C.struct_test7786
+ x1 = x2
+ x2 = x1
+ C.f7786(x1)
+ C.f7786(x2)
+ C.g7786(x1)
+ C.g7786(x2)
+
+ var b1 *C.typedef_body7786
+ var b2 *C.struct_body7786
+ b1 = b2
+ b2 = b1
+ C.b7786(b1)
+ C.b7786(b2)
+ C.c7786(b1)
+ C.c7786(b2)
+
+ var u1 *C.typedef_union7786
+ var u2 *C.union_union7786
+ u1 = u2
+ u2 = u1
+ C.u7786(u1)
+ C.u7786(u2)
+ C.v7786(u1)
+ C.v7786(u2)
+}
+
+// issue 8092
+
+func test8092(t *testing.T) {
+ tests := []struct {
+ s string
+ a, b *C.char
+ }{
+ {"text", &C.text[0], C.ctext()},
+ {"data", &C.data[0], C.cdata()},
+ }
+ for _, test := range tests {
+ if test.a != test.b {
+ t.Errorf("%s: pointer mismatch: %v != %v", test.s, test.a, test.b)
+ }
+ if got := C.GoString(test.a); got != test.s {
+ t.Errorf("%s: points at %#v, want %#v", test.s, got, test.s)
+ }
+ }
+}
+
+// issues 8368 and 8441
+
+func issue8368(one *C.struct_one, two *C.struct_two) {
+}
+
+func issue8441(one *C.one, two *C.two) {
+ issue8441(two.x, one.x)
+}
+
+// issue 8428
+
+var _ = C.struct_issue8428one{
+ b: C.char(0),
+ // The trailing rest field is not available in cgo.
+ // See issue 11925.
+ // rest: [0]C.char{},
+}
+
+var _ = C.struct_issue8428two{
+ p: unsafe.Pointer(nil),
+ b: C.char(0),
+ rest: [0]C.char{},
+}
+
+var _ = C.struct_issue8428three{
+ w: [1][2][3][0]C.char{},
+ x: [2][3][0][1]C.char{},
+ y: [3][0][1][2]C.char{},
+ z: [0][1][2][3]C.char{},
+}
+
+// issue 8811
+
+func test8811(t *testing.T) {
+ C.issue8811Execute()
+}
+
+// issue 9557
+
+func test9557(t *testing.T) {
+ // implicitly dereference a Go variable
+ foo := C.issue9557foo
+ if v := foo.a; v != 42 {
+ t.Fatalf("foo.a expected 42, but got %d", v)
+ }
+
+ // explicitly dereference a C variable
+ if v := (*C.issue9557foo).a; v != 42 {
+ t.Fatalf("(*C.issue9557foo).a expected 42, but is %d", v)
+ }
+
+ // implicitly dereference a C variable
+ if v := C.issue9557foo.a; v != 42 {
+ t.Fatalf("C.issue9557foo.a expected 42, but is %d", v)
+ }
+}
+
+// issue 8331 part 1
+
+func issue8331a() C.issue8331 {
+ return issue8331Var
+}
+
+// issue 10303
+
+func test10303(t *testing.T, n int) {
+ if runtime.Compiler == "gccgo" {
+ t.Skip("gccgo permits C pointers on the stack")
+ }
+
+ // Run at a few different stack depths just to avoid an unlucky pass
+ // due to variables ending up on different pages.
+ if n > 0 {
+ test10303(t, n-1)
+ }
+ if t.Failed() {
+ return
+ }
+ var x, y, z, v, si C.int
+ var s C.Struct
+ C.setintstar(&x)
+ C.setintptr(&y)
+ C.setvoidptr(unsafe.Pointer(&v))
+ s.P = &si
+ C.setstruct(s)
+
+ if uintptr(unsafe.Pointer(&x))&^0xfff == uintptr(unsafe.Pointer(&z))&^0xfff {
+ t.Error("C int* argument on stack")
+ }
+ if uintptr(unsafe.Pointer(&y))&^0xfff == uintptr(unsafe.Pointer(&z))&^0xfff {
+ t.Error("C intptr argument on stack")
+ }
+ if uintptr(unsafe.Pointer(&v))&^0xfff == uintptr(unsafe.Pointer(&z))&^0xfff {
+ t.Error("C void* argument on stack")
+ }
+ if uintptr(unsafe.Pointer(&si))&^0xfff == uintptr(unsafe.Pointer(&z))&^0xfff {
+ t.Error("C struct field pointer on stack")
+ }
+}
+
+// issue 11925
+
+func test11925(t *testing.T) {
+ if C.sizeof_struct_a11925 != unsafe.Sizeof(C.struct_a11925{}) {
+ t.Errorf("size of a changed: C %d, Go %d", C.sizeof_struct_a11925, unsafe.Sizeof(C.struct_a11925{}))
+ }
+ if C.sizeof_struct_b11925 != unsafe.Sizeof(C.struct_b11925{}) {
+ t.Errorf("size of b changed: C %d, Go %d", C.sizeof_struct_b11925, unsafe.Sizeof(C.struct_b11925{}))
+ }
+}
+
+// issue 12030
+
+func test12030(t *testing.T) {
+ buf := (*C.char)(C.malloc(256))
+ defer C.free(unsafe.Pointer(buf))
+ for _, f := range []float64{1.0, 2.0, 3.14} {
+ C.issue12030conv(buf, C.double(f))
+ got := C.GoString(buf)
+ if want := fmt.Sprintf("d=%g", f); got != want {
+ t.Fatalf("C.sprintf failed for %g: %q != %q", f, got, want)
+ }
+ }
+}
+
+// issue 13402
+
+var _ C.complexfloat
+var _ C.complexdouble
+
+// issue 13930
+// Test that cgo's multiple-value special form for
+// C function calls works in variable declaration statements.
+
+var _, _ = C.abs(0)
+
+// issue 14838
+
+func test14838(t *testing.T) {
+ data := []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9}
+ cData := C.CBytes(data)
+ defer C.free(cData)
+
+ if C.check_cbytes((*C.char)(cData), C.size_t(len(data))) == 0 {
+ t.Fatalf("mismatched data: expected %v, got %v", data, (*(*[10]byte)(unsafe.Pointer(cData)))[:])
+ }
+}
+
+// issue 17065
+
+var sink C.int
+
+func test17065(t *testing.T) {
+ if runtime.GOOS == "darwin" {
+ t.Skip("broken on darwin; issue 17065")
+ }
+ for i := range C.ii {
+ sink = C.ii[i]
+ }
+}
+
+// issue 17537
+
+func test17537(t *testing.T) {
+ v := C.S17537{i: 17537}
+ if got, want := C.I17537(&v), C.int(17537); got != want {
+ t.Errorf("got %d, want %d", got, want)
+ }
+
+ p := (*C.char)(C.malloc(1))
+ *p = 17
+ if got, want := C.F17537(&p), C.int(17); got != want {
+ t.Errorf("got %d, want %d", got, want)
+ }
+
+ C.F18298(nil)
+ var v18298 C.T18298_2
+ C.G18298(C.T18298_1(v18298))
+}
+
+// issue 17723
+
+func testAPI() {
+ var cs *C.char
+ cs = C.CString("hello")
+ defer C.free(unsafe.Pointer(cs))
+ var s string
+ s = C.GoString((*C.char)(C.api_hello))
+ s = C.GoStringN((*C.char)(C.api_hello), C.int(6))
+ var b []byte
+ b = C.GoBytes(unsafe.Pointer(C.api_hello), C.int(6))
+ _, _ = s, b
+ C.cstring_pointer_fun(nil)
+}
+
+// issue 18126
+
+func test18126(t *testing.T) {
+ p := C.malloc(1)
+ _, err := C.Issue18126C(&p)
+ C.free(p)
+ _ = err
+}
+
+// issue 18720
+
+func test18720(t *testing.T) {
+ if got, want := C.HELLO_WORLD, "hello\000world"; got != want {
+ t.Errorf("C.HELLO_WORLD == %q, expected %q", got, want)
+ }
+
+ if got, want := C.VAR1, C.int(5); got != want {
+ t.Errorf("C.VAR1 == %v, expected %v", got, want)
+ }
+
+ if got, want := *C.ADDR, C.int(5); got != want {
+ t.Errorf("*C.ADDR == %v, expected %v", got, want)
+ }
+
+ if got, want := C.CALL, C.int(6); got != want {
+ t.Errorf("C.CALL == %v, expected %v", got, want)
+ }
+
+ if got, want := C.CALL, C.int(7); got != want {
+ t.Errorf("C.CALL == %v, expected %v", got, want)
+ }
+
+ // Issue 20125.
+ if got, want := C.SIZE_OF_FOO, 1; got != want {
+ t.Errorf("C.SIZE_OF_FOO == %v, expected %v", got, want)
+ }
+}
+
+// issue 20129
+
+func test20129(t *testing.T) {
+ if C.issue20129 != 0 {
+ t.Fatal("test is broken")
+ }
+ C.issue20129Foo()
+ if C.issue20129 != 1 {
+ t.Errorf("got %v but expected %v", C.issue20129, 1)
+ }
+ C.issue20129Bar()
+ if C.issue20129 != 2 {
+ t.Errorf("got %v but expected %v", C.issue20129, 2)
+ }
+}
+
+// issue 20369
+
+func test20369(t *testing.T) {
+ if C.XUINT64_MAX != math.MaxUint64 {
+ t.Fatalf("got %v, want %v", uint64(C.XUINT64_MAX), uint64(math.MaxUint64))
+ }
+}
+
+// issue 21668
+
+var issue21668_X = C.x21668
+
+// issue 21708
+
+func test21708(t *testing.T) {
+ if got, want := C.CAST_TO_INT64, -1; got != want {
+ t.Errorf("C.CAST_TO_INT64 == %v, expected %v", got, want)
+ }
+}
+
+// issue 21809
+
+func test21809(t *testing.T) {
+ longVar := C.long(3)
+ typedefVar := C.MySigned_t(4)
+ typedefTypedefVar := C.MySigned2_t(5)
+
+ // all three should be considered identical to `long`
+ if ret := C.takes_long(longVar); ret != 9 {
+ t.Errorf("got %v but expected %v", ret, 9)
+ }
+ if ret := C.takes_long(typedefVar); ret != 16 {
+ t.Errorf("got %v but expected %v", ret, 16)
+ }
+ if ret := C.takes_long(typedefTypedefVar); ret != 25 {
+ t.Errorf("got %v but expected %v", ret, 25)
+ }
+
+ // They should also be identical to the typedef'd type
+ if ret := C.takes_typedef(longVar); ret != 9 {
+ t.Errorf("got %v but expected %v", ret, 9)
+ }
+ if ret := C.takes_typedef(typedefVar); ret != 16 {
+ t.Errorf("got %v but expected %v", ret, 16)
+ }
+ if ret := C.takes_typedef(typedefTypedefVar); ret != 25 {
+ t.Errorf("got %v but expected %v", ret, 25)
+ }
+}
+
+// issue 22906
+
+func test22906(t *testing.T) {
+ var x1 C.jobject = 0 // Note: 0, not nil. That makes sure we use uintptr for these types.
+ _ = x1
+ var x2 C.jclass = 0
+ _ = x2
+ var x3 C.jthrowable = 0
+ _ = x3
+ var x4 C.jstring = 0
+ _ = x4
+ var x5 C.jarray = 0
+ _ = x5
+ var x6 C.jbooleanArray = 0
+ _ = x6
+ var x7 C.jbyteArray = 0
+ _ = x7
+ var x8 C.jcharArray = 0
+ _ = x8
+ var x9 C.jshortArray = 0
+ _ = x9
+ var x10 C.jintArray = 0
+ _ = x10
+ var x11 C.jlongArray = 0
+ _ = x11
+ var x12 C.jfloatArray = 0
+ _ = x12
+ var x13 C.jdoubleArray = 0
+ _ = x13
+ var x14 C.jobjectArray = 0
+ _ = x14
+ var x15 C.jweak = 0
+ _ = x15
+}
+
+// issue 22958
+// Nothing to run, just make sure this compiles.
+var Vissue22958 C.issue22958Type
+
+func test23356(t *testing.T) {
+ if got, want := C.a(), C.int(5); got != want {
+ t.Errorf("C.a() == %v, expected %v", got, want)
+ }
+ if got, want := C.r(), C.int(3); got != want {
+ t.Errorf("C.r() == %v, expected %v", got, want)
+ }
+}
+
+// issue 23720
+
+func Issue23720F() {
+ var x C.issue23720A
+ C.issue23720F(x)
+}
+
+// issue 24206
+
+func test24206(t *testing.T) {
+ if runtime.GOOS != "linux" || runtime.GOARCH != "amd64" {
+ t.Skipf("skipping on %s/%s", runtime.GOOS, runtime.GOARCH)
+ }
+
+ if l := len(C.GoString(C.dangerousString1())); l != 123 {
+ t.Errorf("Incorrect string length - got %d, want 123", l)
+ }
+ if l := len(C.GoString(C.dangerousString2())); l != 4096+123 {
+ t.Errorf("Incorrect string length - got %d, want %d", l, 4096+123)
+ }
+}
+
+// issue 25143
+
+func issue25143sum(ns ...C.int) C.int {
+ total := C.int(0)
+ for _, n := range ns {
+ total += n
+ }
+ return total
+}
+
+func test25143(t *testing.T) {
+ if got, want := issue25143sum(1, 2, 3), C.int(6); got != want {
+ t.Errorf("issue25143sum(1, 2, 3) == %v, expected %v", got, want)
+ }
+}
+
+// issue 26066
+// Wrong type of constant with GCC 8 and newer.
+
+func test26066(t *testing.T) {
+ var i = int64(C.issue26066)
+ if i != -1 {
+ t.Errorf("got %d, want -1", i)
+ }
+}
+
+// issue 26517
+var a C.TypeOne
+var b C.TypeTwo
+
+// issue 27660
+// Stress the interaction between the race detector and cgo in an
+// attempt to reproduce the memory corruption described in #27660.
+// The bug was very timing sensitive; at the time of writing this
+// test would only trigger the bug about once out of every five runs.
+
+func test27660(t *testing.T) {
+ ctx, cancel := context.WithCancel(context.Background())
+ defer cancel()
+ ints := make([]int, 100)
+ locks := make([]sync.Mutex, 100)
+ // Slowly create threads so that ThreadSanitizer is forced to
+ // frequently resize its SyncClocks.
+ for i := 0; i < 100; i++ {
+ go func() {
+ for ctx.Err() == nil {
+ // Sleep in C for long enough that it is likely that the runtime
+ // will retake this goroutine's currently wired P.
+ C.usleep(1000 /* 1ms */)
+ runtime.Gosched() // avoid starvation (see #28701)
+ }
+ }()
+ go func() {
+ // Trigger lots of synchronization and memory reads/writes to
+ // increase the likelihood that the race described in #27660
+ // results in corruption of ThreadSanitizer's internal state
+ // and thus an assertion failure or segfault.
+ for ctx.Err() == nil {
+ j := rand.Intn(100)
+ locks[j].Lock()
+ ints[j]++
+ locks[j].Unlock()
+ }
+ }()
+ time.Sleep(time.Millisecond)
+ }
+}
+
+// issue 28540
+
+func twoargsF() {
+ v := []string{}
+ C.twoargs1(C.twoargs2(), C.twoargs3(unsafe.Pointer(&v)))
+}
+
+// issue 28545
+
+func issue28545G(p **C.char) {
+ C.issue28545F(p, -1, (0))
+ C.issue28545F(p, 2+3, complex(1, 1))
+ C.issue28545F(p, issue28772Constant, issue28772Constant2)
+}
+
+// issue 28772 part 1 - part 2 in testx.go
+
+const issue28772Constant = C.issue28772Constant
+
+// issue 28896
+
+func offset(i int) uintptr {
+ var pi C.innerPacked
+ var po C.outerPacked
+ var ui C.innerUnpacked
+ var uo C.outerUnpacked
+ switch i {
+ case 0:
+ return unsafe.Offsetof(pi.f2)
+ case 1:
+ return unsafe.Offsetof(po.g2)
+ case 2:
+ return unsafe.Offsetof(ui.f2)
+ case 3:
+ return unsafe.Offsetof(uo.g2)
+ default:
+ panic("can't happen")
+ }
+}
+
+func test28896(t *testing.T) {
+ for i := 0; i < 4; i++ {
+ c := uintptr(C.offset(C.int(i)))
+ g := offset(i)
+ if c != g {
+ t.Errorf("%d: C: %d != Go %d", i, c, g)
+ }
+ }
+}
+
+// issue 29383
+// cgo's /*line*/ comments failed when inserted after '/',
+// because the result looked like a "//" comment.
+// No runtime test; just make sure it compiles.
+
+func Issue29383(n, size uint) int {
+ if ^C.size_t(0)/C.size_t(n) < C.size_t(size) {
+ return 0
+ }
+ return 0
+}
+
+// issue 29748
+// Error handling a struct initializer that requires pointer checking.
+// Compilation test only, nothing to run.
+
+var Vissue29748 = C.f29748(&C.S29748{
+ nil,
+})
+
+func Fissue299748() {
+ C.f29748(&C.S29748{
+ nil,
+ })
+}
+
+// issue 29781
+
+var issue29781X struct{ X int }
+
+func issue29781F(...int) int { return 0 }
+
+func issue29781G() {
+ var p *C.char
+ C.issue29781F(&p, C.ISSUE29781C+1)
+ C.issue29781F(nil, (C.int)(
+ 0))
+ C.issue29781F(&p, (C.int)(0))
+ C.issue29781F(&p, (C.int)(
+ 0))
+ C.issue29781F(&p, (C.int)(issue29781X.
+ X))
+}
+
+func test29878(t *testing.T) {
+ const arg uint32 = 123 // fits into all integer types
+ var ret int16 = C.issue29878function(arg) // no conversions needed
+ if int64(ret) != int64(arg) {
+ t.Errorf("return value unexpected: got %d, want %d", ret, arg)
+ }
+}
+
+// issue 30065
+
+func test30065(t *testing.T) {
+ var a [256]byte
+ b := []byte("a")
+ C.memcpy(unsafe.Pointer(&a), unsafe.Pointer(&b[0]), 1)
+ if a[0] != 'a' {
+ t.Errorf("&a failed: got %c, want %c", a[0], 'a')
+ }
+
+ b = []byte("b")
+ C.memcpy(unsafe.Pointer(&a[0]), unsafe.Pointer(&b[0]), 1)
+ if a[0] != 'b' {
+ t.Errorf("&a[0] failed: got %c, want %c", a[0], 'b')
+ }
+
+ d := make([]byte, 256)
+ b = []byte("c")
+ C.memcpy(unsafe.Pointer(&d[0]), unsafe.Pointer(&b[0]), 1)
+ if d[0] != 'c' {
+ t.Errorf("&d[0] failed: got %c, want %c", d[0], 'c')
+ }
+}
+++ /dev/null
-// Copyright 2017 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build cgo
-
-package cgotest
-
-/*
-
-// It's going to be hard to include a whole real JVM to test this.
-// So we'll simulate a really easy JVM using just the parts we need.
-
-// This is the relevant part of jni.h.
-
-struct _jobject;
-
-typedef struct _jobject *jobject;
-typedef jobject jclass;
-typedef jobject jthrowable;
-typedef jobject jstring;
-typedef jobject jarray;
-typedef jarray jbooleanArray;
-typedef jarray jbyteArray;
-typedef jarray jcharArray;
-typedef jarray jshortArray;
-typedef jarray jintArray;
-typedef jarray jlongArray;
-typedef jarray jfloatArray;
-typedef jarray jdoubleArray;
-typedef jarray jobjectArray;
-
-typedef jobject jweak;
-
-// Note: jvalue is already a non-pointer type due to it being a C union.
-
-*/
-import "C"
-import (
- "testing"
-)
-
-func test22906(t *testing.T) {
- var x1 C.jobject = 0 // Note: 0, not nil. That makes sure we use uintptr for these types.
- _ = x1
- var x2 C.jclass = 0
- _ = x2
- var x3 C.jthrowable = 0
- _ = x3
- var x4 C.jstring = 0
- _ = x4
- var x5 C.jarray = 0
- _ = x5
- var x6 C.jbooleanArray = 0
- _ = x6
- var x7 C.jbyteArray = 0
- _ = x7
- var x8 C.jcharArray = 0
- _ = x8
- var x9 C.jshortArray = 0
- _ = x9
- var x10 C.jintArray = 0
- _ = x10
- var x11 C.jlongArray = 0
- _ = x11
- var x12 C.jfloatArray = 0
- _ = x12
- var x13 C.jdoubleArray = 0
- _ = x13
- var x14 C.jobjectArray = 0
- _ = x14
- var x15 C.jweak = 0
- _ = x15
-}
+++ /dev/null
-// Copyright 2018 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Stress the interaction between the race detector and cgo in an
-// attempt to reproduce the memory corruption described in #27660.
-// The bug was very timing sensitive; at the time of writing this
-// test would only trigger the bug about once out of every five runs.
-
-package cgotest
-
-// #include <unistd.h>
-import "C"
-
-import (
- "context"
- "math/rand"
- "runtime"
- "sync"
- "testing"
- "time"
-)
-
-func test27660(t *testing.T) {
- ctx, cancel := context.WithCancel(context.Background())
- defer cancel()
- ints := make([]int, 100)
- locks := make([]sync.Mutex, 100)
- // Slowly create threads so that ThreadSanitizer is forced to
- // frequently resize its SyncClocks.
- for i := 0; i < 100; i++ {
- go func() {
- for ctx.Err() == nil {
- // Sleep in C for long enough that it is likely that the runtime
- // will retake this goroutine's currently wired P.
- C.usleep(1000 /* 1ms */)
- runtime.Gosched() // avoid starvation (see #28701)
- }
- }()
- go func() {
- // Trigger lots of synchronization and memory reads/writes to
- // increase the likelihood that the race described in #27660
- // results in corruption of ThreadSanitizer's internal state
- // and thus an assertion failure or segfault.
- for ctx.Err() == nil {
- j := rand.Intn(100)
- locks[j].Lock()
- ints[j]++
- locks[j].Unlock()
- }
- }()
- time.Sleep(time.Millisecond)
- }
-}
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
+// +build !windows
+
package cgotest
-import "C"
+import "syscall"
-//export issue29878exported
-func issue29878exported(arg int8) uint64 {
- return uint64(arg)
-}
+var syscall_dot_SIGCHLD = syscall.SIGCHLD
-// Copyright 2015 The Go Authors. All rights reserved.
+// Copyright 2019 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package cgotest
-import "C"
+import "syscall"
-var _ C.complexfloat
-var _ C.complexdouble
+var syscall_dot_SIGCHLD syscall.Signal
--- /dev/null
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Test cases for cgo.
+// Both the import "C" prologue and the main file are sorted by issue number.
+// This file contains //export directives on Go functions
+// and so it must NOT contain C definitions (only declarations).
+// See test.go for C definitions.
+
+package cgotest
+
+import (
+ "runtime"
+ "runtime/debug"
+ "strings"
+ "sync"
+ "sync/atomic"
+ "testing"
+ "time"
+ "unsafe"
+)
+
+/*
+// threads
+extern void doAdd(int, int);
+
+// issue 1328
+extern void BackIntoGo(void);
+void IntoC(void);
+
+// issue 1560
+// mysleep returns the absolute start time in ms.
+long long mysleep(int seconds);
+
+// twoSleep returns the absolute start time of the first sleep
+// in ms.
+long long twoSleep(int);
+
+// issue 3775
+void lockOSThreadCallback(void);
+inline static void lockOSThreadC(void)
+{
+ lockOSThreadCallback();
+}
+int usleep(unsigned usec);
+
+// issue 4054 part 2 - part 1 in test.go
+typedef enum {
+ A = 0,
+ B,
+ C,
+ D,
+ E,
+ F,
+ G,
+ H,
+ II,
+ J,
+} issue4054b;
+
+// issue 5548
+
+extern int issue5548_in_c(void);
+
+// issue 6833
+
+extern unsigned long long issue6833Func(unsigned int, unsigned long long);
+
+// issue 6907
+
+extern int CheckIssue6907C(_GoString_);
+
+// issue 7665
+
+extern void f7665(void);
+
+// issue 7978
+// Stack tracing didn't work during cgo code after calling a Go
+// callback. Make sure GC works and the stack trace is correct.
+
+#include <stdint.h>
+
+void issue7978cb(void);
+
+#if defined(__APPLE__) && defined(__arm__)
+// on Darwin/ARM, libSystem doesn't provide implementation of the __sync_fetch_and_add
+// primitive, and although gcc supports it, it doesn't inline its definition.
+// Clang could inline its definition, so we require clang on Darwin/ARM.
+#if defined(__clang__)
+#define HAS_SYNC_FETCH_AND_ADD 1
+#else
+#define HAS_SYNC_FETCH_AND_ADD 0
+#endif
+#else
+#define HAS_SYNC_FETCH_AND_ADD 1
+#endif
+
+// use ugly atomic variable sync since that doesn't require calling back into
+// Go code or OS dependencies
+static void issue7978c(uint32_t *sync) {
+#if HAS_SYNC_FETCH_AND_ADD
+ while(__sync_fetch_and_add(sync, 0) != 0)
+ ;
+ __sync_fetch_and_add(sync, 1);
+ while(__sync_fetch_and_add(sync, 0) != 2)
+ ;
+ issue7978cb();
+ __sync_fetch_and_add(sync, 1);
+ while(__sync_fetch_and_add(sync, 0) != 6)
+ ;
+#endif
+}
+
+// issue 8331 part 2 - part 1 in test.go
+// A typedef of an unnamed struct is the same struct when
+// #include'd twice. No runtime test; just make sure it compiles.
+#include "issue8331.h"
+
+// issue 20910
+void callMulti(void);
+
+// issue 28772 part 2 - part 1 in issuex.go
+#define issue28772Constant2 2
+
+*/
+import "C"
+
+// exports
+
+//export ReturnIntLong
+func ReturnIntLong() (int, C.long) {
+ return 1, 2
+}
+
+//export gc
+func gc() {
+ runtime.GC()
+}
+
+// threads
+
+var sum struct {
+ sync.Mutex
+ i int
+}
+
+//export Add
+func Add(x int) {
+ defer func() {
+ recover()
+ }()
+ sum.Lock()
+ sum.i += x
+ sum.Unlock()
+ var p *int
+ *p = 2
+}
+
+func testCthread(t *testing.T) {
+ if runtime.GOOS == "darwin" && (runtime.GOARCH == "arm" || runtime.GOARCH == "arm64") {
+ t.Skip("the iOS exec wrapper is unable to properly handle the panic from Add")
+ }
+ sum.i = 0
+ C.doAdd(10, 6)
+
+ want := 10 * (10 - 1) / 2 * 6
+ if sum.i != want {
+ t.Fatalf("sum=%d, want %d", sum.i, want)
+ }
+}
+
+// issue 1328
+
+//export BackIntoGo
+func BackIntoGo() {
+ x := 1
+
+ for i := 0; i < 10000; i++ {
+ xvariadic(x)
+ if x != 1 {
+ panic("x is not 1?")
+ }
+ }
+}
+
+func xvariadic(x ...interface{}) {
+}
+
+func test1328(t *testing.T) {
+ C.IntoC()
+}
+
+// issue 1560
+
+var sleepDone = make(chan int64)
+
+// parallelSleep returns the absolute difference between the start time
+// of the two sleeps.
+func parallelSleep(n int) int64 {
+ t := int64(C.twoSleep(C.int(n))) - <-sleepDone
+ if t < 0 {
+ return -t
+ }
+ return t
+}
+
+//export BackgroundSleep
+func BackgroundSleep(n int32) {
+ go func() {
+ sleepDone <- int64(C.mysleep(C.int(n)))
+ }()
+}
+
+func testParallelSleep(t *testing.T) {
+ sleepSec := 1
+ dt := time.Duration(parallelSleep(sleepSec)) * time.Millisecond
+ t.Logf("difference in start time for two sleep(%d) is %v", sleepSec, dt)
+ // bug used to run sleeps in serial, producing a 2*sleepSec-second delay.
+ // we detect if the start times of those sleeps are > 0.5*sleepSec-second.
+ if dt >= time.Duration(sleepSec)*time.Second/2 {
+ t.Fatalf("parallel %d-second sleeps slept for %f seconds", sleepSec, dt.Seconds())
+ }
+}
+
+// issue 2462
+
+//export exportbyte
+func exportbyte() byte {
+ return 0
+}
+
+//export exportbool
+func exportbool() bool {
+ return false
+}
+
+//export exportrune
+func exportrune() rune {
+ return 0
+}
+
+//export exporterror
+func exporterror() error {
+ return nil
+}
+
+//export exportint
+func exportint() int {
+ return 0
+}
+
+//export exportuint
+func exportuint() uint {
+ return 0
+}
+
+//export exportuintptr
+func exportuintptr() uintptr {
+ return (uintptr)(0)
+}
+
+//export exportint8
+func exportint8() int8 {
+ return 0
+}
+
+//export exportuint8
+func exportuint8() uint8 {
+ return 0
+}
+
+//export exportint16
+func exportint16() int16 {
+ return 0
+}
+
+//export exportuint16
+func exportuint16() uint16 {
+ return 0
+}
+
+//export exportint32
+func exportint32() int32 {
+ return 0
+}
+
+//export exportuint32
+func exportuint32() uint32 {
+ return 0
+}
+
+//export exportint64
+func exportint64() int64 {
+ return 0
+}
+
+//export exportuint64
+func exportuint64() uint64 {
+ return 0
+}
+
+//export exportfloat32
+func exportfloat32() float32 {
+ return 0
+}
+
+//export exportfloat64
+func exportfloat64() float64 {
+ return 0
+}
+
+//export exportcomplex64
+func exportcomplex64() complex64 {
+ return 0
+}
+
+//export exportcomplex128
+func exportcomplex128() complex128 {
+ return 0
+}
+
+// issue 3741
+
+//export exportSliceIn
+func exportSliceIn(s []byte) bool {
+ return len(s) == cap(s)
+}
+
+//export exportSliceOut
+func exportSliceOut() []byte {
+ return []byte{1}
+}
+
+//export exportSliceInOut
+func exportSliceInOut(s []byte) []byte {
+ return s
+}
+
+// issue 3775
+
+func init() {
+ if runtime.GOOS == "android" {
+ return
+ }
+ // Same as test3775 but run during init so that
+ // there are two levels of internal runtime lock
+ // (1 for init, 1 for cgo).
+ // This would have been broken by CL 11663043.
+ C.lockOSThreadC()
+}
+
+func test3775(t *testing.T) {
+ if runtime.GOOS == "android" {
+ return
+ }
+ // Used to panic because of the UnlockOSThread below.
+ C.lockOSThreadC()
+}
+
+//export lockOSThreadCallback
+func lockOSThreadCallback() {
+ runtime.LockOSThread()
+ runtime.UnlockOSThread()
+ go C.usleep(10000)
+ runtime.Gosched()
+}
+
+// issue 4054 part 2 - part 1 in test.go
+
+var issue4054b = []int{C.A, C.B, C.C, C.D, C.E, C.F, C.G, C.H, C.II, C.J}
+
+//export issue5548FromC
+func issue5548FromC(s string, i int) int {
+ if len(s) == 4 && s == "test" && i == 42 {
+ return 12345
+ }
+ println("got", len(s), i)
+ return 9876
+}
+
+func test5548(t *testing.T) {
+ if x := C.issue5548_in_c(); x != 12345 {
+ t.Errorf("issue5548_in_c = %d, want %d", x, 12345)
+ }
+}
+
+// issue 6833
+
+//export GoIssue6833Func
+func GoIssue6833Func(aui uint, aui64 uint64) uint64 {
+ return aui64 + uint64(aui)
+}
+
+func test6833(t *testing.T) {
+ ui := 7
+ ull := uint64(0x4000300020001000)
+ v := uint64(C.issue6833Func(C.uint(ui), C.ulonglong(ull)))
+ exp := uint64(ui) + ull
+ if v != exp {
+ t.Errorf("issue6833Func() returns %x, expected %x", v, exp)
+ }
+}
+
+// issue 6907
+
+const CString = "C string"
+
+//export CheckIssue6907Go
+func CheckIssue6907Go(s string) C.int {
+ if s == CString {
+ return 1
+ }
+ return 0
+}
+
+func test6907Go(t *testing.T) {
+ if got := C.CheckIssue6907C(CString); got != 1 {
+ t.Errorf("C.CheckIssue6907C() == %d, want %d", got, 1)
+ }
+}
+
+// issue 7665
+
+//export f7665
+func f7665() {}
+
+var bad7665 unsafe.Pointer = C.f7665
+var good7665 uintptr = uintptr(C.f7665)
+
+func test7665(t *testing.T) {
+ if bad7665 == nil || uintptr(bad7665) != good7665 {
+ t.Errorf("ptrs = %p, %#x, want same non-nil pointer", bad7665, good7665)
+ }
+}
+
+// issue 7978
+
+var issue7978sync uint32
+
+func issue7978check(t *testing.T, wantFunc string, badFunc string, depth int) {
+ runtime.GC()
+ buf := make([]byte, 65536)
+ trace := string(buf[:runtime.Stack(buf, true)])
+ for _, goroutine := range strings.Split(trace, "\n\n") {
+ if strings.Contains(goroutine, "test.issue7978go") {
+ trace := strings.Split(goroutine, "\n")
+ // look for the expected function in the stack
+ for i := 0; i < depth; i++ {
+ if badFunc != "" && strings.Contains(trace[1+2*i], badFunc) {
+ t.Errorf("bad stack: found %s in the stack:\n%s", badFunc, goroutine)
+ return
+ }
+ if strings.Contains(trace[1+2*i], wantFunc) {
+ return
+ }
+ }
+ t.Errorf("bad stack: didn't find %s in the stack:\n%s", wantFunc, goroutine)
+ return
+ }
+ }
+ t.Errorf("bad stack: goroutine not found. Full stack dump:\n%s", trace)
+}
+
+func issue7978wait(store uint32, wait uint32) {
+ if store != 0 {
+ atomic.StoreUint32(&issue7978sync, store)
+ }
+ for atomic.LoadUint32(&issue7978sync) != wait {
+ runtime.Gosched()
+ }
+}
+
+//export issue7978cb
+func issue7978cb() {
+ // Force a stack growth from the callback to put extra
+ // pressure on the runtime. See issue #17785.
+ growStack(64)
+ issue7978wait(3, 4)
+}
+
+func growStack(n int) int {
+ var buf [128]int
+ if n == 0 {
+ return 0
+ }
+ return buf[growStack(n-1)]
+}
+
+func issue7978go() {
+ C.issue7978c((*C.uint32_t)(&issue7978sync))
+ issue7978wait(7, 8)
+}
+
+func test7978(t *testing.T) {
+ if runtime.Compiler == "gccgo" {
+ t.Skip("gccgo can not do stack traces of C code")
+ }
+ if C.HAS_SYNC_FETCH_AND_ADD == 0 {
+ t.Skip("clang required for __sync_fetch_and_add support on darwin/arm")
+ }
+ debug.SetTraceback("2")
+ issue7978sync = 0
+ go issue7978go()
+ // test in c code, before callback
+ issue7978wait(0, 1)
+ issue7978check(t, "_Cfunc_issue7978c(", "", 1)
+ // test in go code, during callback
+ issue7978wait(2, 3)
+ issue7978check(t, "test.issue7978cb(", "test.issue7978go", 3)
+ // test in c code, after callback
+ issue7978wait(4, 5)
+ issue7978check(t, "_Cfunc_issue7978c(", "_cgoexpwrap", 1)
+ // test in go code, after return from cgo
+ issue7978wait(6, 7)
+ issue7978check(t, "test.issue7978go(", "", 3)
+ atomic.StoreUint32(&issue7978sync, 8)
+}
+
+// issue 8331 part 2
+
+var issue8331Var C.issue8331
+
+// issue 20910
+
+//export multi
+func multi() (*C.char, C.int) {
+ return C.CString("multi"), 0
+}
+
+func test20910(t *testing.T) {
+ C.callMulti()
+}
+
+// issue 28772 part 2
+
+const issue28772Constant2 = C.issue28772Constant2
+
+//export issue29878exported
+func issue29878exported(arg int8) uint64 {
+ return uint64(arg)
+}
+++ /dev/null
-// Copyright 2018 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Crash from call with two arguments that need pointer checking.
-// No runtime test; just make sure it compiles.
-
-package cgotest
-
-/*
-static void twoargs1(void *p, int n) {}
-static void *twoargs2() { return 0; }
-static int twoargs3(void * p) { return 0; }
-*/
-import "C"
-
-import "unsafe"
-
-func twoargsF() {
- v := []string{}
- C.twoargs1(C.twoargs2(), C.twoargs3(unsafe.Pointer(&v)))
-}