1 /*
2 * spin3.c
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 * Thread A locks spin - thread B tries to unlock.
37 * This should result in a EPERM as adviced in the spec.
38 *
39 */
40
41 #include "test.h"
42
43 static int wasHere = 0;
44
45 static pthread_spinlock_t spin;
46
unlocker(void * arg)47 void * unlocker(void * arg)
48 {
49 int expectedResult = (int) (size_t) arg;
50
51 wasHere++;
52 assert(pthread_spin_unlock(&spin) == (int) expectedResult);
53 wasHere++;
54 return NULL;
55 }
56
57 int
main()58 main()
59 {
60 pthread_t t;
61
62 wasHere = 0;
63 assert(pthread_spin_init(&spin, PTHREAD_PROCESS_PRIVATE) == 0);
64 assert(pthread_spin_lock(&spin) == 0);
65 assert(pthread_create(&t, NULL, unlocker, (void *) EPERM) == 0);
66 assert(pthread_join(t, NULL) == 0);
67 assert(pthread_spin_unlock(&spin) == 0);
68 assert(pthread_spin_destroy(&spin) == 0);
69 assert(wasHere == 2);
70
71 return 0;
72 }
73