nptl/tst-exit1.c

   1 /* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
   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 /* NOTE: this tests functionality beyond POSIX.  POSIX does not allow
  21    exit to be called more than once.  */
  22
  23 #include <pthread.h>
  24 #include <stdio.h>
  25 #include <stdlib.h>
  26
  27 static pthread_barrier_t b;
  28
  29
  30 static void *
  31 tf (void *arg)
  32 {
  33   int r = pthread_barrier_wait (&b);
  34   if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
  35     {
  36       puts ("barrier_wait failed");
  37       exit (1);
  38     }
  39
  40   exit (0);
  41 }
  42
  43
  44 static int
  45 do_test (void)
  46 {
  47   if (pthread_barrier_init (&b, NULL, 2) != 0)
  48     {
  49       puts ("barrier_init failed");
  50       exit (1);
  51     }
  52
  53   pthread_t th;
  54   if (pthread_create (&th, NULL, tf, NULL) != 0)
  55     {
  56       puts ("create failed");
  57       exit (1);
  58     }
  59
  60   int r = pthread_barrier_wait (&b);
  61   if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
  62     {
  63       puts ("barrier_wait failed");
  64       exit (1);
  65     }
  66
  67   /* Do nothing.  */
  68   if (pthread_join (th, NULL) == 0)
  69     {
  70       puts ("join succeeded!?");
  71       exit (1);
  72     }
  73
  74   puts ("join returned!?");
  75   exit (1);
  76 }
  77
  78 #define TEST_FUNCTION do_test ()
  79 #include "../test-skeleton.c"