go setgid2_linux 源码
golang setgid2_linux 代码
文件路径：/misc/cgo/test/setgid2_linux.go
// Copyright 2022 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 test setgid and thread creation. A thread
// can get a SIGSETXID signal early on at thread
// initialization, causing crash. See issue 53374.
package cgotest
/*
#include <sys/types.h>
#include <unistd.h>
*/
import "C"
import (
"runtime"
"testing"
)
func testSetgidStress(t *testing.T) {
const N = 50
ch := make(chan int, N)
for i := 0; i < N; i++ {
go func() {
C.setgid(0)
ch <- 1
runtime.LockOSThread() // so every goroutine uses a new thread
}()
}
for i := 0; i < N; i++ {
<-ch
}
}
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