intl/tst-gettext6.c

   1 /* Test that gettext() in multithreaded applications works correctly.
   2    Copyright (C) 2008-2019 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4    Contributed by Jakub Jelinek <jakub@redhat.com>, 2008.
   5
   6    The GNU C Library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU Lesser General Public
   8    License as published by the Free Software Foundation; either
   9    version 2.1 of the License, or (at your option) any later version.
  10
  11    The GNU C Library is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    Lesser General Public License for more details.
  15
  16    You should have received a copy of the GNU Lesser General Public
  17    License along with the GNU C Library; if not, see
  18    <https://www.gnu.org/licenses/>.  */
  19
  20 #include <libintl.h>
  21 #include <locale.h>
  22 #include <pthread.h>
  23 #include <stdio.h>
  24 #include <stdlib.h>
  25 #include <sys/wait.h>
  26 #include <unistd.h>
  27
  28 pthread_barrier_t b;
  29
  30 static void *
  31 tf (void *arg)
  32 {
  33   pthread_barrier_wait (&b);
  34   return gettext ("Operation not permitted");
  35 }
  36
  37 int
  38 test (void)
  39 {
  40   pthread_t th[4];
  41   unsetenv ("LANGUAGE");
  42   unsetenv ("OUTPUT_CHARSET");
  43   textdomain ("tstgettext6");
  44   bindtextdomain ("tstgettext6", OBJPFX "domaindir");
  45   setlocale (LC_ALL, "ja_JP.UTF-8");
  46   pthread_barrier_init (&b, NULL, 4);
  47   for (int i = 0; i < 4; i++)
  48     if (pthread_create (&th[i], NULL, tf, NULL))
  49       {
  50         puts ("pthread_create failed");
  51         return 1;
  52       }
  53   for (int i = 0; i < 4; i++)
  54     pthread_join (th[i], NULL);
  55   return 0;
  56 }
  57
  58 int
  59 main (void)
  60 {
  61   for (int i = 0; i < 300; i++)
  62     {
  63       pid_t p = fork ();
  64       if (p == -1)
  65         {
  66           printf ("fork failed: %m\n");
  67           return 1;
  68         }
  69       if (p == 0)
  70         _exit (test ());
  71       int status;
  72       wait (&status);
  73       if (WIFEXITED (status) && WEXITSTATUS (status) != 0)
  74         {
  75           printf ("child exited with %d\n", WEXITSTATUS (status));
  76           return 1;
  77         }
  78       else if (WIFSIGNALED (status))
  79         {
  80           printf ("child killed by signal %d\n", WTERMSIG (status));
  81           return 1;
  82         }
  83     }
  84   return 0;
  85 }