nptl/tst-abstime.c

   1 /* Copyright (C) 2010 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, write to the Free
  17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18    02111-1307 USA.  */
  19
  20 #include <errno.h>
  21 #include <pthread.h>
  22 #include <semaphore.h>
  23 #include <stdio.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   long int res = 0;
  36   int r;
  37   struct timespec t = { -2, 0 };
  38
  39   r = pthread_mutex_timedlock (&m1, &t);
  40   if (r != ETIMEDOUT)
  41     {
  42       puts ("pthread_mutex_timedlock did not return ETIMEDOUT");
  43       res = 1;
  44     }
  45   r = pthread_rwlock_timedrdlock (&rw1, &t);
  46   if (r != ETIMEDOUT)
  47     {
  48       puts ("pthread_rwlock_timedrdlock did not return ETIMEDOUT");
  49       res = 1;
  50     }
  51   r = pthread_rwlock_timedwrlock (&rw2, &t);
  52   if (r != ETIMEDOUT)
  53     {
  54       puts ("pthread_rwlock_timedwrlock did not return ETIMEDOUT");
  55       res = 1;
  56     }
  57   return (void *) res;
  58 }
  59
  60 static int
  61 do_test (void)
  62 {
  63   int res = 0;
  64   int r;
  65   struct timespec t = { -2, 0 };
  66   pthread_t pth;
  67
  68   sem_init (&sem, 0, 0);
  69   r = sem_timedwait (&sem, &t);
  70   if (r != -1 || errno != ETIMEDOUT)
  71     {
  72       puts ("sem_timedwait did not fail with ETIMEDOUT");
  73       res = 1;
  74     }
  75
  76   pthread_mutex_lock (&m1);
  77   pthread_rwlock_wrlock (&rw1);
  78   pthread_rwlock_rdlock (&rw2);
  79   pthread_mutex_lock (&m2);
  80   if (pthread_create (&pth, 0, th, 0) != 0)
  81     {
  82       puts ("cannot create thread");
  83       return 1;
  84     }
  85   r = pthread_cond_timedwait (&c, &m2, &t);
  86   if (r != ETIMEDOUT)
  87     {
  88       puts ("pthread_cond_timedwait did not return ETIMEDOUT");
  89       res = 1;
  90     }
  91   void *thres;
  92   pthread_join (pth, &thres);
  93   return res | (thres != NULL);
  94 }
  95
  96
  97 #define TEST_FUNCTION do_test ()
  98 #include "../test-skeleton.c"