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/>. */
21 #include <semaphore.h>
28 static pthread_t receiver;
30 static pthread_barrier_t b;
37 write (STDOUT_FILENO, "wrong signal\n", 13);
41 if (pthread_self () != receiver)
43 write (STDOUT_FILENO, "not the intended receiver\n", 26);
47 if (sem_post (&sem) != 0)
49 write (STDOUT_FILENO, "sem_post failed\n", 16);
58 int e = pthread_barrier_wait (&b);
59 if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
61 puts ("child: barrier_wait failed");
73 sigemptyset (&sa.sa_mask);
75 sa.sa_handler = handler;
76 if (sigaction (SIGUSR1, &sa, NULL) != 0)
78 puts ("sigaction failed");
84 if (pthread_barrier_init (&b, NULL, N + 1) != 0)
86 puts ("barrier_init failed");
92 if (pthread_attr_init (&a) != 0)
94 puts ("attr_init failed");
98 if (pthread_attr_setstacksize (&a, 1 * 1024 * 1024) != 0)
100 puts ("attr_setstacksize failed");
106 for (i = 0; i < N; ++i)
107 if (pthread_create (&th[i], &a, tf, NULL) != 0)
109 puts ("create failed");
113 if (pthread_attr_destroy (&a) != 0)
115 puts ("attr_destroy failed");
119 if (sem_init (&sem, 0, 0) != 0)
121 puts ("sem_init failed");
125 for (i = 0; i < N * 10; ++i)
127 receiver = th[i % N];
129 if (pthread_kill (receiver, SIGUSR1) != 0)
131 puts ("kill failed");
135 if (TEMP_FAILURE_RETRY (sem_wait (&sem)) != 0)
137 puts ("sem_wait failed");
142 int e = pthread_barrier_wait (&b);
143 if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
145 puts ("barrier_wait failed");
149 for (i = 0; i < N; ++i)
150 if (pthread_join (th[i], NULL) != 0)
152 puts ("join failed");
160 #define TEST_FUNCTION do_test ()
161 #include "../test-skeleton.c"