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- // 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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