From: Tobias Klauser <tklauser@distanz.ch>
Date: Tue, 9 Aug 2022 08:17:54 +0000 (+0200)
Subject: syscall: add Mmap and Munmap on solaris
X-Git-Tag: go1.20rc1~1746
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=98277f30e4365f3b35d856fa9cdee2fe01ab862b;p=gostls13.git

syscall: add Mmap and Munmap on solaris

They exist on all other Unix ports, define them on GOOS=solaris as well.

Fixes #52875

Change-Id: I7285156b3b48ce12fbcc6d1d88865540a5c51a21
Reviewed-on: https://go-review.googlesource.com/c/go/+/413374
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Than McIntosh <thanm@google.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
---

diff --git a/src/syscall/mmap_unix_test.go b/src/syscall/mmap_unix_test.go
index 3e9c08d67d..5e08b20679 100644
--- a/src/syscall/mmap_unix_test.go
+++ b/src/syscall/mmap_unix_test.go
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd
+//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris
 
 package syscall_test
 
diff --git a/src/syscall/syscall_solaris.go b/src/syscall/syscall_solaris.go
index 0363597c9e..f6d7e46cd3 100644
--- a/src/syscall/syscall_solaris.go
+++ b/src/syscall/syscall_solaris.go
@@ -536,6 +536,20 @@ func writelen(fd int, buf *byte, nbuf int) (n int, err error) {
 	return
 }
 
+var mapper = &mmapper{
+	active: make(map[*byte][]byte),
+	mmap:   mmap,
+	munmap: munmap,
+}
+
+func Mmap(fd int, offset int64, length int, prot int, flags int) (data []byte, err error) {
+	return mapper.Mmap(fd, offset, length, prot, flags)
+}
+
+func Munmap(b []byte) (err error) {
+	return mapper.Munmap(b)
+}
+
 func Utimes(path string, tv []Timeval) error {
 	if len(tv) != 2 {
 		return EINVAL