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88 lines
2.1 KiB
C
88 lines
2.1 KiB
C
/* Copyright (C) 2007-2020 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Jakub Jelinek <jakub@redhat.com>, 2007.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <errno.h>
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#include <pthread.h>
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#include <semaphore.h>
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#include <stdio.h>
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#include <time.h>
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#include <unistd.h>
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#include <sys/time.h>
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static int
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do_test (void)
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{
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sem_t s;
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if (sem_init (&s, 0, 0) == -1)
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{
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puts ("sem_init failed");
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return 1;
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}
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struct timeval tv;
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if (gettimeofday (&tv, NULL) != 0)
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{
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puts ("gettimeofday failed");
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return 1;
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}
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struct timespec ts;
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TIMEVAL_TO_TIMESPEC (&tv, &ts);
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/* Set ts to yesterday. */
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ts.tv_sec -= 86400;
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int type_before;
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if (pthread_setcanceltype (PTHREAD_CANCEL_DEFERRED, &type_before) != 0)
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{
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puts ("first pthread_setcanceltype failed");
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return 1;
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}
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errno = 0;
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if (TEMP_FAILURE_RETRY (sem_timedwait (&s, &ts)) != -1)
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{
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puts ("sem_timedwait succeeded");
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return 1;
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}
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if (errno != ETIMEDOUT)
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{
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printf ("sem_timedwait return errno = %d instead of ETIMEDOUT\n",
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errno);
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return 1;
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}
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int type_after;
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if (pthread_setcanceltype (PTHREAD_CANCEL_DEFERRED, &type_after) != 0)
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{
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puts ("second pthread_setcanceltype failed");
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return 1;
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}
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if (type_after != PTHREAD_CANCEL_DEFERRED)
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{
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puts ("sem_timedwait changed cancellation type");
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return 1;
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}
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return 0;
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}
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#define TEST_FUNCTION do_test ()
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#include "../test-skeleton.c"
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