nptl/tst-basic4.c

   1 /* Copyright (C) 2003-2017 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
   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    <http://www.gnu.org/licenses/>.  */
  18
  19 #include <errno.h>
  20 #include <pthread.h>
  21 #include <signal.h>
  22 #include <stdio.h>
  23 #include <stdlib.h>
  24 #include <unistd.h>
  25 #include <sys/wait.h>
  26
  27
  28 static void
  29 final_test (void)
  30 {
  31   puts ("final_test has been called");
  32
  33 #define THE_SIGNAL SIGUSR1
  34   kill (getpid (), SIGUSR1);
  35 }
  36
  37
  38 static void *
  39 tf (void *a)
  40 {
  41   pid_t pid = fork ();
  42   if (pid == -1)
  43     {
  44       puts ("fork failed");
  45       exit (1);
  46     }
  47
  48   if (pid == 0)
  49     {
  50       atexit (final_test);
  51
  52       pthread_exit (NULL);
  53     }
  54
  55   int r;
  56   int e = TEMP_FAILURE_RETRY (waitpid (pid, &r, 0));
  57   if (e != pid)
  58     {
  59       puts ("waitpid failed");
  60       exit (1);
  61     }
  62
  63   if (! WIFSIGNALED (r))
  64     {
  65       puts ("child not signled");
  66       exit (1);
  67     }
  68
  69   if (WTERMSIG (r) != THE_SIGNAL)
  70     {
  71       puts ("child's termination signal wrong");
  72       exit (1);
  73     }
  74
  75   return NULL;
  76 }
  77
  78
  79 int
  80 do_test (void)
  81 {
  82   pthread_t th;
  83
  84   if (pthread_create (&th, NULL, tf, NULL) != 0)
  85     {
  86       puts ("create failed");
  87       _exit (1);
  88     }
  89
  90   if (pthread_join (th, NULL) != 0)
  91     {
  92       puts ("join failed");
  93       exit (1);
  94     }
  95
  96   return 0;
  97 }
  98
  99 #define TEST_FUNCTION do_test ()
 100 #include "../test-skeleton.c"