| // 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 = 1000 |
| 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 |
| } |
| } |
