1  /* Test program, used by the intl-thread-2 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    waitfor (1);
      88    s = gettext ("beauty");
      89    puts (s);
      90    if (strcmp (s, "beaut\303\251"))
      91      {
      92        fprintf (stderr, "thread 1 call 1 returned: %s\n", s);
      93        result = 1;
      94      }
      95    setto (2);
      96  
      97    waitfor (1);
      98    s = gettext ("beauty");
      99    puts (s);
     100    if (strcmp (s, "beaut\303\251"))
     101      {
     102        fprintf (stderr, "thread 1 call 2 returned: %s\n", s);
     103        result = 1;
     104      }
     105    setto (2);
     106  
     107    return NULL;
     108  }
     109  
     110  void *
     111  thread2_execution (void *arg)
     112  {
     113    char *s;
     114  
     115    waitfor (2);
     116    uselocale (newlocale (LC_ALL_MASK, locale_name_2, NULL));
     117    setto (1);
     118  
     119    waitfor (2);
     120    s = gettext ("beauty");
     121    puts (s);
     122    if (strcmp (s, "Sch\303\266nheit"))
     123      {
     124        fprintf (stderr, "thread 2 call 1 returned: %s\n", s);
     125        result = 1;
     126      }
     127    setto (1);
     128  
     129    waitfor (2);
     130    s = gettext ("beauty");
     131    puts (s);
     132    if (strcmp (s, "Sch\303\266nheit"))
     133      {
     134        fprintf (stderr, "thread 2 call 2 returned: %s\n", s);
     135        result = 1;
     136      }
     137    setto (1);
     138  
     139    return NULL;
     140  }
     141  
     142  int
     143  main (int argc, char *argv[])
     144  {
     145    pthread_t thread1;
     146    pthread_t thread2;
     147  
     148    locale_name_1 = argv[1];
     149    locale_name_2 = argv[2];
     150  
     151    unsetenv ("LANGUAGE");
     152    unsetenv ("OUTPUT_CHARSET");
     153    textdomain ("tstthread");
     154    bindtextdomain ("tstthread", "in-th-2");
     155    result = 0;
     156  
     157    flipflop = 1;
     158    if (pthread_mutex_init (&lock, NULL))
     159      exit (2);
     160    if (pthread_cond_init (&waitqueue, NULL))
     161      exit (2);
     162    if (pthread_create (&thread1, NULL, &thread1_execution, NULL))
     163      exit (2);
     164    if (pthread_create (&thread2, NULL, &thread2_execution, NULL))
     165      exit (2);
     166    if (pthread_join (thread2, NULL))
     167      exit (3);
     168  
     169    return result;
     170  }
     171  
     172  #else
     173  
     174  /* This test is not executed.  */
     175  
     176  int
     177  main (void)
     178  {
     179    return 77;
     180  }
     181  
     182  #endif