nptl/tst-abstime.c

   1 /* Copyright (C) 2010-2020 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Andreas Schwab <schwab@redhat.com>, 2010.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #include <errno.h>
  20 #include <pthread.h>
  21 #include <semaphore.h>
  22 #include <stdio.h>
  23 #include <support/check.h>
  24 #include <support/xthread.h>
  25
  26 static pthread_cond_t c = PTHREAD_COND_INITIALIZER;
  27 static pthread_mutex_t m1 = PTHREAD_MUTEX_INITIALIZER;
  28 static pthread_mutex_t m2 = PTHREAD_MUTEX_INITIALIZER;
  29 static pthread_rwlock_t rw1 = PTHREAD_RWLOCK_INITIALIZER;
  30 static pthread_rwlock_t rw2 = PTHREAD_RWLOCK_INITIALIZER;
  31 static sem_t sem;
  32
  33 static void *
  34 th (void *arg)
  35 {
  36   struct timespec t = { -2, 0 };
  37
  38   TEST_COMPARE (pthread_mutex_timedlock (&m1, &t), ETIMEDOUT);
  39   TEST_COMPARE (pthread_mutex_clocklock (&m1, CLOCK_REALTIME, &t), ETIMEDOUT);
  40   TEST_COMPARE (pthread_mutex_clocklock (&m1, CLOCK_MONOTONIC, &t), ETIMEDOUT);
  41   TEST_COMPARE (pthread_rwlock_timedrdlock (&rw1, &t), ETIMEDOUT);
  42   TEST_COMPARE (pthread_rwlock_timedwrlock (&rw2, &t), ETIMEDOUT);
  43   TEST_COMPARE (pthread_rwlock_clockrdlock (&rw1, CLOCK_REALTIME, &t),
  44                 ETIMEDOUT);
  45   TEST_COMPARE (pthread_rwlock_clockwrlock (&rw2, CLOCK_REALTIME, &t),
  46                 ETIMEDOUT);
  47   TEST_COMPARE (pthread_rwlock_clockrdlock (&rw1, CLOCK_MONOTONIC, &t),
  48                 ETIMEDOUT);
  49   TEST_COMPARE (pthread_rwlock_clockwrlock (&rw2, CLOCK_MONOTONIC, &t),
  50                 ETIMEDOUT);
  51   return NULL;
  52 }
  53
  54 static int
  55 do_test (void)
  56 {
  57   struct timespec t = { -2, 0 };
  58
  59   sem_init (&sem, 0, 0);
  60   TEST_COMPARE (sem_timedwait (&sem, &t), -1);
  61   TEST_COMPARE (errno, ETIMEDOUT);
  62
  63   xpthread_mutex_lock (&m1);
  64   xpthread_rwlock_wrlock (&rw1);
  65   xpthread_rwlock_rdlock (&rw2);
  66   xpthread_mutex_lock (&m2);
  67   pthread_t pth = xpthread_create (0, th, 0);
  68   TEST_COMPARE (pthread_cond_timedwait (&c, &m2, &t), ETIMEDOUT);
  69   xpthread_join (pth);
  70   return 0;
  71 }
  72
  73 #include <support/test-driver.c>