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123 lines
3.7 KiB
C
123 lines
3.7 KiB
C
/* Copyright (C) 2003-2020 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
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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 <stdio.h>
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#include <time.h>
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#include <unistd.h>
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#include <support/check.h>
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#include <support/test-driver.h>
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#include <support/timespec.h>
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#include <support/xthread.h>
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#include <support/xtime.h>
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/* A bogus clock value that tells run_test to use pthread_cond_timedwait
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rather than pthread_condclockwait. */
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#define CLOCK_USE_ATTR_CLOCK (-1)
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#if defined _POSIX_CLOCK_SELECTION && _POSIX_CLOCK_SELECTION >= 0
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static int
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run_test (clockid_t attr_clock, clockid_t wait_clock)
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{
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pthread_condattr_t condattr;
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pthread_cond_t cond;
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pthread_mutexattr_t mutattr;
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pthread_mutex_t mut;
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verbose_printf ("attr_clock = %d\n", (int) attr_clock);
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TEST_COMPARE (pthread_condattr_init (&condattr), 0);
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TEST_COMPARE (pthread_condattr_setclock (&condattr, attr_clock), 0);
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clockid_t attr_clock_read;
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TEST_COMPARE (pthread_condattr_getclock (&condattr, &attr_clock_read), 0);
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TEST_COMPARE (attr_clock, attr_clock_read);
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TEST_COMPARE (pthread_cond_init (&cond, &condattr), 0);
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TEST_COMPARE (pthread_condattr_destroy (&condattr), 0);
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xpthread_mutexattr_init (&mutattr);
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xpthread_mutexattr_settype (&mutattr, PTHREAD_MUTEX_ERRORCHECK);
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xpthread_mutex_init (&mut, &mutattr);
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xpthread_mutexattr_destroy (&mutattr);
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xpthread_mutex_lock (&mut);
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TEST_COMPARE (pthread_mutex_lock (&mut), EDEADLK);
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struct timespec ts_timeout;
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xclock_gettime (wait_clock == CLOCK_USE_ATTR_CLOCK ? attr_clock : wait_clock,
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&ts_timeout);
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/* Wait one second. */
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++ts_timeout.tv_sec;
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if (wait_clock == CLOCK_USE_ATTR_CLOCK) {
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TEST_COMPARE (pthread_cond_timedwait (&cond, &mut, &ts_timeout), ETIMEDOUT);
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TEST_TIMESPEC_BEFORE_NOW (ts_timeout, attr_clock);
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} else {
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TEST_COMPARE (pthread_cond_clockwait (&cond, &mut, wait_clock, &ts_timeout),
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ETIMEDOUT);
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TEST_TIMESPEC_BEFORE_NOW (ts_timeout, wait_clock);
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}
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xpthread_mutex_unlock (&mut);
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xpthread_mutex_destroy (&mut);
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TEST_COMPARE (pthread_cond_destroy (&cond), 0);
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return 0;
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}
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#endif
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static int
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do_test (void)
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{
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#if !defined _POSIX_CLOCK_SELECTION || _POSIX_CLOCK_SELECTION == -1
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FAIL_UNSUPPORTED ("_POSIX_CLOCK_SELECTION not supported, test skipped");
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#else
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run_test (CLOCK_REALTIME, CLOCK_USE_ATTR_CLOCK);
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# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
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# if _POSIX_MONOTONIC_CLOCK == 0
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int e = sysconf (_SC_MONOTONIC_CLOCK);
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if (e < 0)
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puts ("CLOCK_MONOTONIC not supported");
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else if (e == 0)
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FAIL_RET ("sysconf (_SC_MONOTONIC_CLOCK) must not return 0");
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else
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# endif
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{
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run_test (CLOCK_MONOTONIC, CLOCK_USE_ATTR_CLOCK);
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run_test (CLOCK_REALTIME, CLOCK_MONOTONIC);
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run_test (CLOCK_MONOTONIC, CLOCK_MONOTONIC);
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run_test (CLOCK_MONOTONIC, CLOCK_REALTIME);
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}
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# else
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puts ("_POSIX_MONOTONIC_CLOCK not defined");
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# endif
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return 0;
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#endif
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}
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#include <support/test-driver.c>
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