1  /* Copyright (C) 2002-2023 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 <semaphore.h>
      21  #include <signal.h>
      22  #include <stdio.h>
      23  #include <unistd.h>
      24  
      25  static int do_test (void);
      26  
      27  #define TEST_FUNCTION do_test ()
      28  #include "../test-skeleton.c"
      29  
      30  static int
      31  do_test (void)
      32  {
      33    sem_t s;
      34  
      35    if (sem_init (&s, 0, 0) == -1)
      36      {
      37        puts ("init failed");
      38        return 1;
      39      }
      40  
      41    delayed_exit (1);
      42  
      43    if (TEMP_FAILURE_RETRY (sem_wait (&s)) == -1)
      44      {
      45        puts ("wait failed");
      46        return 1;
      47      }
      48  
      49    /* We should never get here.  */
      50    puts ("wait succeeded");
      51    return 1;
      52  }