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1 /*
2  * Test for pthread_detach().
3  *
4  *
5  * --------------------------------------------------------------------------
6  *
7  *      Pthreads-win32 - POSIX Threads Library for Win32
8  *      Copyright(C) 1998 John E. Bossom
9  *      Copyright(C) 1999,2005 Pthreads-win32 contributors
10  *
11  *      Contact Email: rpj@callisto.canberra.edu.au
12  *
13  *      The current list of contributors is contained
14  *      in the file CONTRIBUTORS included with the source
15  *      code distribution. The list can also be seen at the
16  *      following World Wide Web location:
17  *      http://sources.redhat.com/pthreads-win32/contributors.html
18  *
19  *      This library is free software; you can redistribute it and/or
20  *      modify it under the terms of the GNU Lesser General Public
21  *      License as published by the Free Software Foundation; either
22  *      version 2 of the License, or (at your option) any later version.
23  *
24  *      This library is distributed in the hope that it will be useful,
25  *      but WITHOUT ANY WARRANTY; without even the implied warranty of
26  *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
27  *      Lesser General Public License for more details.
28  *
29  *      You should have received a copy of the GNU Lesser General Public
30  *      License along with this library in the file COPYING.LIB;
31  *      if not, write to the Free Software Foundation, Inc.,
32  *      59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
33  *
34  * --------------------------------------------------------------------------
35  *
36  * Depends on API functions: pthread_create(), pthread_detach(), pthread_exit().
37  */
38 
39 #include "test.h"
40 
41 
42 enum {
43   NUMTHREADS = 100
44 };
45 
46 void *
func(void * arg)47 func(void * arg)
48 {
49     int i = PTR2INT(arg);
50 
51     Sleep(i * 10);
52 
53     pthread_exit(arg);
54 
55     /* Never reached. */
56     exit(1);
57 }
58 
59 int
main(int argc,char * argv[])60 main(int argc, char * argv[])
61 {
62 	pthread_t id[NUMTHREADS];
63 	int i;
64 
65 	/* Create a few threads and then exit. */
66 	for (i = 0; i < NUMTHREADS; i++)
67 	  {
68 	    assert(pthread_create(&id[i], NULL, func, ((void *) (size_t) i)) == 0);
69 	  }
70 
71 	/* Some threads will finish before they are detached, some after. */
72 	Sleep(NUMTHREADS/2 * 10 + 50);
73 
74 	for (i = 0; i < NUMTHREADS; i++)
75 	  {
76 	    assert(pthread_detach(id[i]) == 0);
77 	  }
78 
79 	Sleep(NUMTHREADS * 10 + 100);
80 
81 	/*
82 	 * Check that all threads are now invalid.
83 	 * This relies on unique thread IDs - e.g. works with
84 	 * pthreads-w32 or Solaris, but may not work for Linux, BSD etc.
85 	 */
86 	for (i = 0; i < NUMTHREADS; i++)
87 	  {
88 	    assert(pthread_kill(id[i], 0) == ESRCH);
89 	  }
90 
91 	/* Success. */
92 	return 0;
93 }
94