sysdeps/pthread/tst-eintr5.c

   1 /* Copyright (C) 2003-2022 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 <signal.h>
  21 #include <stdio.h>
  22 #include <stdlib.h>
  23 #include <string.h>
  24 #include <sys/time.h>
  25 #include <support/check.h>
  26 #include <support/timespec.h>
  27 #include <support/xthread.h>
  28 #include <support/xtime.h>
  29
  30 #include "eintr.c"
  31
  32
  33 static pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER;
  34 static pthread_cond_t c = PTHREAD_COND_INITIALIZER;
  35
  36
  37 static void *
  38 tf (void *arg)
  39 {
  40   struct timespec ts = timespec_add (xclock_now (CLOCK_REALTIME),
  41                                      make_timespec (10000, 0));
  42
  43   /* This call must never return.  */
  44   TEST_COMPARE (pthread_cond_timedwait (&c, &m, &ts), 0);
  45   FAIL_EXIT1 ("pthread_cond_timedwait returned unexpectedly\n");
  46 }
  47
  48
  49 static int
  50 do_test (void)
  51 {
  52   setup_eintr (SIGUSR1, NULL);
  53
  54   xpthread_create (NULL, tf, NULL);
  55
  56   delayed_exit (3);
  57   /* This call must never return.  */
  58   xpthread_cond_wait (&c, &m);
  59   FAIL_RET ("error: pthread_cond_wait returned");
  60 }
  61
  62 #include <support/test-driver.c>