1 /* Copyright (C) 2003-2014 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
25 static pthread_barrier_t bar;
40 /* Enable cancellation, but defer it. */
41 if (pthread_setcancelstate (PTHREAD_CANCEL_ENABLE, NULL) != 0)
43 puts ("setcancelstate failed");
46 if (pthread_setcanceltype (PTHREAD_CANCEL_DEFERRED, NULL) != 0)
48 puts ("setcanceltype failed");
52 /* Add cleanup handler. */
53 pthread_cleanup_push (cleanup, NULL);
55 /* Synchronize with the main thread. */
56 int r = pthread_barrier_wait (&bar);
57 if (r != 0 && r!= PTHREAD_BARRIER_SERIAL_THREAD)
59 puts ("tf: first barrier_wait failed");
63 /* And again. Once this is done the main thread should have canceled
65 r = pthread_barrier_wait (&bar);
66 if (r != 0 && r!= PTHREAD_BARRIER_SERIAL_THREAD)
68 puts ("tf: second barrier_wait failed");
72 /* Remove the cleanup handler without executing it. */
73 pthread_cleanup_pop (0);
75 /* Now react on the cancellation. */
76 pthread_testcancel ();
78 /* This call should never return. */
86 if (pthread_barrier_init (&bar, NULL, 2) != 0)
88 puts ("barrier_init failed");
93 if (pthread_create (&th, NULL, tf, NULL) != 0)
95 puts ("pthread_create failed");
99 int r = pthread_barrier_wait (&bar);
100 if (r != 0 && r!= PTHREAD_BARRIER_SERIAL_THREAD)
102 puts ("first barrier_wait failed");
106 if (pthread_cancel (th) != 0)
108 puts ("pthread_cancel failed");
112 r = pthread_barrier_wait (&bar);
113 if (r != 0 && r!= PTHREAD_BARRIER_SERIAL_THREAD)
115 puts ("second barrier_wait failed");
120 if (pthread_join (th, &result) != 0)
122 puts ("pthread_join failed");
126 if (result != PTHREAD_CANCELED)
128 puts ("thread was not canceled");
134 puts ("cancellation handler has been called");
141 #define TEST_FUNCTION do_test ()
142 #include "../test-skeleton.c"