| // 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 | |
| } | |
| } |