1  /* Tests barrier initialization.
       2     Copyright (C) 2002-2023 Free Software Foundation, Inc.
       3     This file is part of the GNU C Library.
       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 <stdio.h>
      22  
      23  
      24  static int
      25  do_test (void)
      26  {
      27    pthread_barrier_t b;
      28    int e;
      29    int cnt;
      30  
      31    e = pthread_barrier_init (&b, NULL, 0);
      32    if (e == 0)
      33      {
      34        puts ("barrier_init with count 0 succeeded");
      35        return 1;
      36      }
      37    if (e != EINVAL)
      38      {
      39        puts ("barrier_init with count 0 didn't return EINVAL");
      40        return 1;
      41      }
      42  
      43    if (pthread_barrier_init (&b, NULL, 1) != 0)
      44      {
      45        puts ("real barrier_init failed");
      46        return 1;
      47      }
      48  
      49    for (cnt = 0; cnt < 10; ++cnt)
      50      {
      51        e = pthread_barrier_wait (&b);
      52  
      53        if (e != PTHREAD_BARRIER_SERIAL_THREAD)
      54  	{
      55  	  puts ("barrier_wait didn't return PTHREAD_BARRIER_SERIAL_THREAD");
      56  	  return 1;
      57  	}
      58      }
      59  
      60    if (pthread_barrier_destroy (&b) != 0)
      61      {
      62        puts ("barrier_destroy failed");
      63        return 1;
      64      }
      65  
      66    return 0;
      67  }
      68  
      69  #define TEST_FUNCTION do_test ()
      70  #include "../test-skeleton.c"