syscall: move helper handler before AIX handler in TestPassFD

The AIX special handler which skips this test if unix network isn't
supported, doesn't need to be called inside the helper process.

Change-Id: I7ff2c4e6b20eceb977380294858cae63034ffe0d
Reviewed-on: https://go-review.googlesource.com/c/go/+/172160
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>

diff --git a/src/syscall/syscall_unix_test.go b/src/syscall/syscall_unix_test.go
index 3462fb244681fd33d6eca82a44e61b2178474db7..62109ac3e7fa000db2971220201c4451f306f301 100644 (file)
--- a/src/syscall/syscall_unix_test.go
+++ b/src/syscall/syscall_unix_test.go
@@ -132,6 +132,11 @@ func TestFcntlFlock(t *testing.T) {
 func TestPassFD(t *testing.T) {
        testenv.MustHaveExec(t)
 
+       if os.Getenv("GO_WANT_HELPER_PROCESS") == "1" {
+               passFDChild()
+               return
+       }
+
        if runtime.GOOS == "aix" {
                // Unix network isn't properly working on AIX 7.2 with Technical Level < 2
                out, err := exec.Command("oslevel", "-s").Output()
@@ -152,11 +157,6 @@ func TestPassFD(t *testing.T) {
 
        }
 
-       if os.Getenv("GO_WANT_HELPER_PROCESS") == "1" {
-               passFDChild()
-               return
-       }
-
        tempDir, err := ioutil.TempDir("", "TestPassFD")
        if err != nil {
                t.Fatal(err)