sysdeps/pthread/tst-basic4.c

   1 /* Copyright (C) 2003-2021 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"