sysdeps/pthread/tst-abstime.c

   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>