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 // Test that pthread_cancel works as expected
   6 // (NPTL uses SIGRTMIN to implement thread cancelation)
   7 // See https://golang.org/issue/6997
   8 package cgotest
   9
  10 /*
  11 #cgo CFLAGS: -pthread
  12 #cgo LDFLAGS: -pthread
  13 extern int StartThread();
  14 extern int CancelThread();
  15 */
  16 import "C"
  17
  18 import "testing"
  19 import "time"
  20
  21 func test6997(t *testing.T) {
  22         r := C.StartThread()
  23         if r != 0 {
  24                 t.Error("pthread_create failed")
  25         }
  26         c := make(chan C.int)
  27         go func() {
  28                 time.Sleep(500 * time.Millisecond)
  29                 c <- C.CancelThread()
  30         }()
  31
  32         select {
  33         case r = <-c:
  34                 if r == 0 {
  35                         t.Error("pthread finished but wasn't canceled??")
  36                 }
  37         case <-time.After(30 * time.Second):
  38                 t.Error("hung in pthread_cancel/pthread_join")
  39         }
  40 }