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      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 cancellation)
      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 cancelled??")
     36 		}
     37 	case <-time.After(30 * time.Second):
     38 		t.Error("hung in pthread_cancel/pthread_join")
     39 	}
     40 }
     41