1  /* Test program, used by the intl-thread-3 test.
       2     Copyright (C) 2005-2007, 2009-2010, 2013, 2018-2019 Free Software Foundation, Inc.
       3  
       4     This program is free software: you can redistribute it and/or modify
       5     it under the terms of the GNU General Public License as published by
       6     the Free Software Foundation; either version 3 of the License, or
       7     (at your option) any later version.
       8  
       9     This program 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
      12     GNU General Public License for more details.
      13  
      14     You should have received a copy of the GNU General Public License
      15     along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
      16  
      17  /* Written by Bruno Haible <haible@clisp.cons.org>, 2005.  */
      18  
      19  #ifdef HAVE_CONFIG_H
      20  # include <config.h>
      21  #endif
      22  
      23  #include <locale.h>
      24  #include <stdlib.h>
      25  #include <stdio.h>
      26  #include <string.h>
      27  
      28  #if USE_POSIX_THREADS && HAVE_WORKING_USELOCALE
      29  
      30  #include <pthread.h>
      31  
      32  #if USE_SYSTEM_LIBINTL
      33  # include <libintl.h>
      34  #else
      35  /* Make sure we use the included libintl, not the system's one. */
      36  # undef _LIBINTL_H
      37  # include "libgnuintl.h"
      38  #endif
      39  
      40  /* Name of locale to use in thread1.  */
      41  const char *locale_name_1;
      42  /* Name of locale to use in thread2.  */
      43  const char *locale_name_2;
      44  
      45  /* Set to 1 if the program is not behaving correctly.  */
      46  int result;
      47  
      48  /* Denotes which thread should run next.  */
      49  int flipflop;
      50  /* Lock and wait queue used to switch between the threads.  */
      51  pthread_mutex_t lock;
      52  pthread_cond_t waitqueue;
      53  
      54  /* Waits until the flipflop has a given value.
      55     Before the call, the lock is unlocked.  After the call, it is locked.  */
      56  static void
      57  waitfor (int value)
      58  {
      59    if (pthread_mutex_lock (&lock))
      60      exit (10);
      61    while (flipflop != value)
      62      if (pthread_cond_wait (&waitqueue, &lock))
      63        exit (11);
      64  }
      65  
      66  /* Sets the flipflop to a given value.
      67     Before the call, the lock is locked.  After the call, it is unlocked.  */
      68  static void
      69  setto (int value)
      70  {
      71    flipflop = value;
      72    if (pthread_cond_signal (&waitqueue))
      73      exit (20);
      74    if (pthread_mutex_unlock (&lock))
      75      exit (21);
      76  }
      77  
      78  void *
      79  thread1_execution (void *arg)
      80  {
      81    char *s;
      82  
      83    waitfor (1);
      84    uselocale (newlocale (LC_ALL_MASK, locale_name_1, NULL));
      85    setto (2);
      86  
      87    /* Here we expect output in ISO-8859-1.  */
      88  
      89    waitfor (1);
      90    s = gettext ("cheese");
      91    puts (s);
      92    if (strcmp (s, "K\344se"))
      93      {
      94        fprintf (stderr, "thread 1 call 1 returned: %s\n", s);
      95        result = 1;
      96      }
      97    setto (2);
      98  
      99    waitfor (1);
     100    s = gettext ("cheese");
     101    puts (s);
     102    if (strcmp (s, "K\344se"))
     103      {
     104        fprintf (stderr, "thread 1 call 2 returned: %s\n", s);
     105        result = 1;
     106      }
     107    setto (2);
     108  
     109    return NULL;
     110  }
     111  
     112  void *
     113  thread2_execution (void *arg)
     114  {
     115    char *s;
     116  
     117    waitfor (2);
     118    uselocale (newlocale (LC_ALL_MASK, locale_name_2, NULL));
     119    setto (1);
     120  
     121    /* Here we expect output in UTF-8.  */
     122  
     123    waitfor (2);
     124    s = gettext ("cheese");
     125    puts (s);
     126    if (strcmp (s, "K\303\244se"))
     127      {
     128        fprintf (stderr, "thread 2 call 1 returned: %s\n", s);
     129        result = 1;
     130      }
     131    setto (1);
     132  
     133    waitfor (2);
     134    s = gettext ("cheese");
     135    puts (s);
     136    if (strcmp (s, "K\303\244se"))
     137      {
     138        fprintf (stderr, "thread 2 call 2 returned: %s\n", s);
     139        result = 1;
     140      }
     141    setto (1);
     142  
     143    return NULL;
     144  }
     145  
     146  int
     147  main (int argc, char *argv[])
     148  {
     149    pthread_t thread1;
     150    pthread_t thread2;
     151  
     152    locale_name_1 = argv[1];
     153    locale_name_2 = argv[2];
     154  
     155    unsetenv ("LANGUAGE");
     156    unsetenv ("OUTPUT_CHARSET");
     157    textdomain ("tstthread");
     158    bindtextdomain ("tstthread", "in-th-3");
     159    result = 0;
     160  
     161    flipflop = 1;
     162    if (pthread_mutex_init (&lock, NULL))
     163      exit (2);
     164    if (pthread_cond_init (&waitqueue, NULL))
     165      exit (2);
     166    if (pthread_create (&thread1, NULL, &thread1_execution, NULL))
     167      exit (2);
     168    if (pthread_create (&thread2, NULL, &thread2_execution, NULL))
     169      exit (2);
     170    if (pthread_join (thread2, NULL))
     171      exit (3);
     172  
     173    return result;
     174  }
     175  
     176  #else
     177  
     178  /* This test is not executed.  */
     179  
     180  int
     181  main (void)
     182  {
     183    return 77;
     184  }
     185  
     186  #endif