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/* Copyright (C) 2003-2018 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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<http://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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#if defined _POSIX_CLOCK_SELECTION && _POSIX_CLOCK_SELECTION >= 0
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static int
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run_test (clockid_t cl)
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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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printf ("clock = %d\n", (int) cl);
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if (pthread_condattr_init (&condattr) != 0)
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{
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puts ("condattr_init failed");
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return 1;
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}
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if (pthread_condattr_setclock (&condattr, cl) != 0)
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{
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puts ("condattr_setclock failed");
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return 1;
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}
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clockid_t cl2;
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if (pthread_condattr_getclock (&condattr, &cl2) != 0)
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{
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puts ("condattr_getclock failed");
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return 1;
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}
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if (cl != cl2)
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{
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printf ("condattr_getclock returned wrong value: %d, expected %d\n",
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(int) cl2, (int) cl);
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return 1;
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}
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if (pthread_cond_init (&cond, &condattr) != 0)
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{
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puts ("cond_init failed");
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return 1;
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}
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if (pthread_condattr_destroy (&condattr) != 0)
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{
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puts ("condattr_destroy failed");
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return 1;
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}
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if (pthread_mutexattr_init (&mutattr) != 0)
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{
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puts ("mutexattr_init failed");
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return 1;
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}
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if (pthread_mutexattr_settype (&mutattr, PTHREAD_MUTEX_ERRORCHECK) != 0)
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{
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puts ("mutexattr_settype failed");
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return 1;
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}
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if (pthread_mutex_init (&mut, &mutattr) != 0)
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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 (&mutattr) != 0)
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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 (&mut) != 0)
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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_mutex_lock (&mut) != EDEADLK)
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{
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puts ("2nd mutex_lock did not return EDEADLK");
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return 1;
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}
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struct timespec ts;
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if (clock_gettime (cl, &ts) != 0)
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{
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puts ("clock_gettime failed");
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return 1;
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}
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/* Wait one second. */
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++ts.tv_sec;
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int e = pthread_cond_timedwait (&cond, &mut, &ts);
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if (e == 0)
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{
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puts ("cond_timedwait succeeded");
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return 1;
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}
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else if (e != ETIMEDOUT)
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{
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puts ("cond_timedwait did not return ETIMEDOUT");
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return 1;
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}
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struct timespec ts2;
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if (clock_gettime (cl, &ts2) != 0)
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{
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puts ("second clock_gettime failed");
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return 1;
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}
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if (ts2.tv_sec < ts.tv_sec
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|| (ts2.tv_sec == ts.tv_sec && ts2.tv_nsec < ts.tv_nsec))
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{
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puts ("timeout too short");
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return 1;
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}
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if (pthread_mutex_unlock (&mut) != 0)
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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 (&mut) != 0)
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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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if (pthread_cond_destroy (&cond) != 0)
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{
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puts ("cond_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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#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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puts ("_POSIX_CLOCK_SELECTION not supported, test skipped");
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return 0;
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#else
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int res = run_test (CLOCK_REALTIME);
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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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{
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puts ("sysconf (_SC_MONOTONIC_CLOCK) must not return 0");
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res = 1;
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}
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else
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# endif
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res |= run_test (CLOCK_MONOTONIC);
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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 res;
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#endif
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}
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#define TIMEOUT 3
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#define TEST_FUNCTION do_test ()
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#include "../test-skeleton.c"
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