misc/cgo/test/issue6997_linux.go

   1 // Copyright 2014 The Go Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style
   3 // license that can be found in the LICENSE file.
   4
   5 //go:build !android
   6
   7 // Test that pthread_cancel works as expected
   8 // (NPTL uses SIGRTMIN to implement thread cancellation)
   9 // See https://golang.org/issue/6997
  10 package cgotest
  11
  12 /*
  13 #cgo CFLAGS: -pthread
  14 #cgo LDFLAGS: -pthread
  15 extern int StartThread();
  16 extern int CancelThread();
  17 */
  18 import "C"
  19
  20 import (
  21         "testing"
  22         "time"
  23 )
  24
  25 func test6997(t *testing.T) {
  26         r := C.StartThread()
  27         if r != 0 {
  28                 t.Error("pthread_create failed")
  29         }
  30         c := make(chan C.int)
  31         go func() {
  32                 time.Sleep(500 * time.Millisecond)
  33                 c <- C.CancelThread()
  34         }()
  35
  36         select {
  37         case r = <-c:
  38                 if r == 0 {
  39                         t.Error("pthread finished but wasn't canceled??")
  40                 }
  41         case <-time.After(30 * time.Second):
  42                 t.Error("hung in pthread_cancel/pthread_join")
  43         }
  44 }