intl/tst-gettext5.c

   1 /* Test that gettext() in multithreaded applications works correctly if
   2    different threads operate in different locales referring to the same
   3    catalog file but with different encodings.
   4    Copyright (C) 2005 Free Software Foundation, Inc.
   5    This file is part of the GNU C Library.
   6    Contributed by Bruno Haible <bruno@clisp.org>, 2005.
   7
   8    The GNU C Library is free software; you can redistribute it and/or
   9    modify it under the terms of the GNU Lesser General Public
  10    License as published by the Free Software Foundation; either
  11    version 2.1 of the License, or (at your option) any later version.
  12
  13    The GNU C Library is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16    Lesser General Public License for more details.
  17
  18    You should have received a copy of the GNU Lesser General Public
  19    License along with the GNU C Library; if not, write to the Free
  20    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  21    02111-1307 USA.  */
  22
  23 #include <libintl.h>
  24 #include <locale.h>
  25 #include <pthread.h>
  26 #include <stdio.h>
  27 #include <stdlib.h>
  28 #include <string.h>
  29
  30 /* Set to 1 if the program is not behaving correctly.  */
  31 int result;
  32
  33 /* Denotes which thread should run next.  */
  34 int flipflop;
  35 /* Lock and wait queue used to switch between the threads.  */
  36 pthread_mutex_t lock;
  37 pthread_cond_t waitqueue;
  38
  39 /* Waits until the flipflop has a given value.
  40    Before the call, the lock is unlocked.  After the call, it is locked.  */
  41 static void
  42 waitfor (int value)
  43 {
  44   if (pthread_mutex_lock (&lock))
  45     exit (10);
  46   while (flipflop != value)
  47     if (pthread_cond_wait (&waitqueue, &lock))
  48       exit (11);
  49 }
  50
  51 /* Sets the flipflop to a given value.
  52    Before the call, the lock is locked.  After the call, it is unlocked.  */
  53 static void
  54 setto (int value)
  55 {
  56   flipflop = value;
  57   if (pthread_cond_signal (&waitqueue))
  58     exit (20);
  59   if (pthread_mutex_unlock (&lock))
  60     exit (21);
  61 }
  62
  63 void *
  64 thread1_execution (void *arg)
  65 {
  66   char *s;
  67
  68   waitfor (1);
  69   uselocale (newlocale (LC_ALL_MASK, "de_DE.ISO-8859-1", NULL));
  70   setto (2);
  71
  72   /* Here we expect output in ISO-8859-1.  */
  73
  74   waitfor (1);
  75   s = gettext ("cheese");
  76   puts (s);
  77   if (strcmp (s, "K\344se"))
  78     {
  79       fprintf (stderr, "thread 1 call 1 returned: %s\n", s);
  80       result = 1;
  81     }
  82   setto (2);
  83
  84   waitfor (1);
  85   s = gettext ("cheese");
  86   puts (s);
  87   if (strcmp (s, "K\344se"))
  88     {
  89       fprintf (stderr, "thread 1 call 2 returned: %s\n", s);
  90       result = 1;
  91     }
  92   setto (2);
  93
  94   return NULL;
  95 }
  96
  97 void *
  98 thread2_execution (void *arg)
  99 {
 100   char *s;
 101
 102   waitfor (2);
 103   uselocale (newlocale (LC_ALL_MASK, "de_DE.UTF-8", NULL));
 104   setto (1);
 105
 106   /* Here we expect output in UTF-8.  */
 107
 108   waitfor (2);
 109   s = gettext ("cheese");
 110   puts (s);
 111   if (strcmp (s, "K\303\244se"))
 112     {
 113       fprintf (stderr, "thread 2 call 1 returned: %s\n", s);
 114       result = 1;
 115     }
 116   setto (1);
 117
 118   waitfor (2);
 119   s = gettext ("cheese");
 120   puts (s);
 121   if (strcmp (s, "K\303\244se"))
 122     {
 123       fprintf (stderr, "thread 2 call 2 returned: %s\n", s);
 124       result = 1;
 125     }
 126   setto (1);
 127
 128   return NULL;
 129 }
 130
 131 int
 132 main (void)
 133 {
 134   pthread_t thread1;
 135   pthread_t thread2;
 136
 137   unsetenv ("LANGUAGE");
 138   unsetenv ("OUTPUT_CHARSET");
 139   textdomain ("codeset");
 140   bindtextdomain ("codeset", OBJPFX "domaindir");
 141   result = 0;
 142
 143   flipflop = 1;
 144   if (pthread_mutex_init (&lock, NULL))
 145     exit (2);
 146   if (pthread_cond_init (&waitqueue, NULL))
 147     exit (2);
 148   if (pthread_create (&thread1, NULL, &thread1_execution, NULL))
 149     exit (2);
 150   if (pthread_create (&thread2, NULL, &thread2_execution, NULL))
 151     exit (2);
 152   if (pthread_join (thread2, NULL))
 153     exit (3);
 154
 155   return result;
 156 }