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a25077a431
tst-robust8.c prints some mutex internals for nptl debugging, this needed to be made conditioned by getting built with nptl.
111 lines
2.4 KiB
C
111 lines
2.4 KiB
C
/* Test that pthread_mutex_timedlock properly times out.
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Copyright (C) 2016-2020 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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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 <pthread.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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pthread_mutex_t mutex;
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static void *
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thr (void *arg)
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{
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struct timespec abstime;
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clock_gettime (CLOCK_REALTIME, &abstime);
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abstime.tv_sec += 1;
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int ret = pthread_mutex_timedlock (&mutex, &abstime);
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if (ret == 0)
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{
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puts ("mutex_timedlock didn't fail");
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exit (1);
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}
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if (ret != ETIMEDOUT)
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{
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printf ("mutex_timedlock failed: %s\n", strerror (ret));
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exit (1);
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}
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return 0;
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}
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static int
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do_test (void)
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{
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pthread_t pt;
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pthread_mutexattr_t ma;
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if (pthread_mutexattr_init (&ma) != 0)
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{
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puts ("mutexattr_init failed");
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return 0;
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}
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if (pthread_mutexattr_setrobust_np (&ma, PTHREAD_MUTEX_ROBUST_NP) != 0)
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{
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puts ("mutexattr_setrobust failed");
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return 1;
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}
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if (pthread_mutex_init (&mutex, &ma))
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{
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puts ("mutex_init failed");
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return 1;
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}
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if (pthread_mutexattr_destroy (&ma))
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{
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puts ("mutexattr_destroy failed");
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return 1;
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}
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if (pthread_mutex_lock (&mutex))
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{
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puts ("mutex_lock failed");
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return 1;
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}
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if (pthread_create (&pt, NULL, thr, NULL))
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{
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puts ("pthread_create failed");
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return 1;
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}
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if (pthread_join (pt, NULL))
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{
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puts ("pthread_join failed");
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return 1;
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}
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if (pthread_mutex_unlock (&mutex))
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{
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puts ("mutex_unlock failed");
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return 1;
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}
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if (pthread_mutex_destroy (&mutex))
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{
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puts ("mutex_destroy failed");
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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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