1  /* Copyright (C) 2010-2023 Free Software Foundation, Inc.
       2     This file is part of the GNU C Library.
       3  
       4     The GNU C Library is free software; you can redistribute it and/or
       5     modify it under the terms of the GNU Lesser General Public
       6     License as published by the Free Software Foundation; either
       7     version 2.1 of the License, or (at your option) any later version.
       8  
       9     The GNU C Library is distributed in the hope that it will be useful,
      10     but WITHOUT ANY WARRANTY; without even the implied warranty of
      11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      12     Lesser General Public License for more details.
      13  
      14     You should have received a copy of the GNU Lesser General Public
      15     License along with the GNU C Library; if not, see
      16     <https://www.gnu.org/licenses/>.  */
      17  
      18  #include <errno.h>
      19  #include <pthread.h>
      20  #include <semaphore.h>
      21  #include <stdio.h>
      22  #include <support/check.h>
      23  #include <support/xthread.h>
      24  
      25  static pthread_cond_t c = PTHREAD_COND_INITIALIZER;
      26  static pthread_mutex_t m1 = PTHREAD_MUTEX_INITIALIZER;
      27  static pthread_mutex_t m2 = PTHREAD_MUTEX_INITIALIZER;
      28  static pthread_rwlock_t rw1 = PTHREAD_RWLOCK_INITIALIZER;
      29  static pthread_rwlock_t rw2 = PTHREAD_RWLOCK_INITIALIZER;
      30  static sem_t sem;
      31  
      32  static void *
      33  th (void *arg)
      34  {
      35    struct timespec t = { -2, 0 };
      36  
      37    TEST_COMPARE (pthread_mutex_timedlock (&m1, &t), ETIMEDOUT);
      38    TEST_COMPARE (pthread_mutex_clocklock (&m1, CLOCK_REALTIME, &t), ETIMEDOUT);
      39    TEST_COMPARE (pthread_mutex_clocklock (&m1, CLOCK_MONOTONIC, &t), ETIMEDOUT);
      40    TEST_COMPARE (pthread_rwlock_timedrdlock (&rw1, &t), ETIMEDOUT);
      41    TEST_COMPARE (pthread_rwlock_timedwrlock (&rw2, &t), ETIMEDOUT);
      42    TEST_COMPARE (pthread_rwlock_clockrdlock (&rw1, CLOCK_REALTIME, &t),
      43                  ETIMEDOUT);
      44    TEST_COMPARE (pthread_rwlock_clockwrlock (&rw2, CLOCK_REALTIME, &t),
      45                  ETIMEDOUT);
      46    TEST_COMPARE (pthread_rwlock_clockrdlock (&rw1, CLOCK_MONOTONIC, &t),
      47                  ETIMEDOUT);
      48    TEST_COMPARE (pthread_rwlock_clockwrlock (&rw2, CLOCK_MONOTONIC, &t),
      49                  ETIMEDOUT);
      50    return NULL;
      51  }
      52  
      53  static int
      54  do_test (void)
      55  {
      56    struct timespec t = { -2, 0 };
      57  
      58    sem_init (&sem, 0, 0);
      59    TEST_COMPARE (sem_timedwait (&sem, &t), -1);
      60    TEST_COMPARE (errno, ETIMEDOUT);
      61  
      62    xpthread_mutex_lock (&m1);
      63    xpthread_rwlock_wrlock (&rw1);
      64    xpthread_rwlock_rdlock (&rw2);
      65    xpthread_mutex_lock (&m2);
      66    pthread_t pth = xpthread_create (0, th, 0);
      67    TEST_COMPARE (pthread_cond_timedwait (&c, &m2, &t), ETIMEDOUT);
      68    xpthread_join (pth);
      69    return 0;
      70  }
      71  
      72  #include <support/test-driver.c>