go setgid_linux 源码
golang setgid_linux 代码
文件路径：/misc/cgo/test/setgid_linux.go
// 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.
// Test that setgid does not hang on Linux.
// See https://golang.org/issue/3871 for details.
package cgotest
/*
#include <sys/types.h>
#include <unistd.h>
*/
import "C"
import (
"os"
"os/signal"
"syscall"
"testing"
"time"
)
func runTestSetgid() bool {
c := make(chan bool)
go func() {
C.setgid(0)
c <- true
}()
select {
case <-c:
return true
case <-time.After(5 * time.Second):
return false
}
}
func testSetgid(t *testing.T) {
if !runTestSetgid() {
t.Error("setgid hung")
}
// Now try it again after using signal.Notify.
signal.Notify(make(chan os.Signal, 1), syscall.SIGINT)
if !runTestSetgid() {
t.Error("setgid hung after signal.Notify")
}
}
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