intl/tst-gettext6.c

   1 /* Test that gettext() in multithreaded applications works correctly.
   2    Copyright (C) 2008-2023 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   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    <https://www.gnu.org/licenses/>.  */
  18
  19 #include <libintl.h>
  20 #include <locale.h>
  21 #include <pthread.h>
  22 #include <stdio.h>
  23 #include <stdlib.h>
  24 #include <sys/wait.h>
  25 #include <unistd.h>
  26
  27 pthread_barrier_t b;
  28
  29 static void *
  30 tf (void *arg)
  31 {
  32   pthread_barrier_wait (&b);
  33   return gettext ("Operation not permitted");
  34 }
  35
  36 int
  37 test (void)
  38 {
  39   pthread_t th[4];
  40   unsetenv ("LANGUAGE");
  41   unsetenv ("OUTPUT_CHARSET");
  42   textdomain ("tstgettext6");
  43   bindtextdomain ("tstgettext6", OBJPFX "domaindir");
  44   setlocale (LC_ALL, "ja_JP.UTF-8");
  45   pthread_barrier_init (&b, NULL, 4);
  46   for (int i = 0; i < 4; i++)
  47     if (pthread_create (&th[i], NULL, tf, NULL))
  48       {
  49         puts ("pthread_create failed");
  50         return 1;
  51       }
  52   for (int i = 0; i < 4; i++)
  53     pthread_join (th[i], NULL);
  54   return 0;
  55 }
  56
  57 int
  58 main (void)
  59 {
  60   for (int i = 0; i < 300; i++)
  61     {
  62       pid_t p = fork ();
  63       if (p == -1)
  64         {
  65           printf ("fork failed: %m\n");
  66           return 1;
  67         }
  68       if (p == 0)
  69         _exit (test ());
  70       int status;
  71       wait (&status);
  72       if (WIFEXITED (status) && WEXITSTATUS (status) != 0)
  73         {
  74           printf ("child exited with %d\n", WEXITSTATUS (status));
  75           return 1;
  76         }
  77       else if (WIFSIGNALED (status))
  78         {
  79           printf ("child killed by signal %d\n", WTERMSIG (status));
  80           return 1;
  81         }
  82     }
  83   return 0;
  84 }