1  /* Copyright (C) 2003-2023 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 <signal.h>
      21  #include <stdio.h>
      22  #include <stdlib.h>
      23  #include <unistd.h>
      24  #include <sys/wait.h>
      25  
      26  
      27  static void
      28  final_test (void)
      29  {
      30    puts ("final_test has been called");
      31  
      32  #define THE_SIGNAL SIGUSR1
      33    kill (getpid (), SIGUSR1);
      34  }
      35  
      36  
      37  static void *
      38  tf (void *a)
      39  {
      40    pid_t pid = fork ();
      41    if (pid == -1)
      42      {
      43        puts ("fork failed");
      44        exit (1);
      45      }
      46  
      47    if (pid == 0)
      48      {
      49        atexit (final_test);
      50  
      51        pthread_exit (NULL);
      52      }
      53  
      54    int r;
      55    int e = TEMP_FAILURE_RETRY (waitpid (pid, &r, 0));
      56    if (e != pid)
      57      {
      58        puts ("waitpid failed");
      59        exit (1);
      60      }
      61  
      62    if (! WIFSIGNALED (r))
      63      {
      64        puts ("child not signled");
      65        exit (1);
      66      }
      67  
      68    if (WTERMSIG (r) != THE_SIGNAL)
      69      {
      70        puts ("child's termination signal wrong");
      71        exit (1);
      72      }
      73  
      74    return NULL;
      75  }
      76  
      77  
      78  int
      79  do_test (void)
      80  {
      81    pthread_t th;
      82  
      83    if (pthread_create (&th, NULL, tf, NULL) != 0)
      84      {
      85        puts ("create failed");
      86        _exit (1);
      87      }
      88  
      89    if (pthread_join (th, NULL) != 0)
      90      {
      91        puts ("join failed");
      92        exit (1);
      93      }
      94  
      95    return 0;
      96  }
      97  
      98  #define TEST_FUNCTION do_test ()
      99  #include "../test-skeleton.c"