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 // +build !android
   6
   7 // Test that pthread_cancel works as expected
   8 // (NPTL uses SIGRTMIN to implement thread cancelation)
   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 "testing"
  21 import "time"
  22
  23 func test6997(t *testing.T) {
  24         r := C.StartThread()
  25         if r != 0 {
  26                 t.Error("pthread_create failed")
  27         }
  28         c := make(chan C.int)
  29         go func() {
  30                 time.Sleep(500 * time.Millisecond)
  31                 c <- C.CancelThread()
  32         }()
  33
  34         select {
  35         case r = <-c:
  36                 if r == 0 {
  37                         t.Error("pthread finished but wasn't canceled??")
  38                 }
  39         case <-time.After(30 * time.Second):
  40                 t.Error("hung in pthread_cancel/pthread_join")
  41         }
  42 }