intl/tst-gettext4.c

   1 /* Test that gettext() in multithreaded applications works correctly if
   2    different threads operate in different locales with the same encoding.
   3    Copyright (C) 2005 Free Software Foundation, Inc.
   4    This file is part of the GNU C Library.
   5    Contributed by Bruno Haible <bruno@clisp.org>, 2005.
   6
   7    The GNU C Library is free software; you can redistribute it and/or
   8    modify it under the terms of the GNU Lesser General Public
   9    License as published by the Free Software Foundation; either
  10    version 2.1 of the License, or (at your option) any later version.
  11
  12    The GNU C Library is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15    Lesser General Public License for more details.
  16
  17    You should have received a copy of the GNU Lesser General Public
  18    License along with the GNU C Library; if not, write to the Free
  19    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  20    02111-1307 USA.  */
  21
  22 #include <libintl.h>
  23 #include <locale.h>
  24 #include <pthread.h>
  25 #include <stdio.h>
  26 #include <stdlib.h>
  27 #include <string.h>
  28
  29 /* Set to 1 if the program is not behaving correctly.  */
  30 int result;
  31
  32 /* Denotes which thread should run next.  */
  33 int flipflop;
  34 /* Lock and wait queue used to switch between the threads.  */
  35 pthread_mutex_t lock;
  36 pthread_cond_t waitqueue;
  37
  38 /* Waits until the flipflop has a given value.
  39    Before the call, the lock is unlocked.  After the call, it is locked.  */
  40 static void
  41 waitfor (int value)
  42 {
  43   if (pthread_mutex_lock (&lock))
  44     exit (10);
  45   while (flipflop != value)
  46     if (pthread_cond_wait (&waitqueue, &lock))
  47       exit (11);
  48 }
  49
  50 /* Sets the flipflop to a given value.
  51    Before the call, the lock is locked.  After the call, it is unlocked.  */
  52 static void
  53 setto (int value)
  54 {
  55   flipflop = value;
  56   if (pthread_cond_signal (&waitqueue))
  57     exit (20);
  58   if (pthread_mutex_unlock (&lock))
  59     exit (21);
  60 }
  61
  62 void *
  63 thread1_execution (void *arg)
  64 {
  65   char *s;
  66
  67   waitfor (1);
  68   uselocale (newlocale (LC_ALL_MASK, "de_DE.ISO-8859-1", NULL));
  69   setto (2);
  70
  71   waitfor (1);
  72   s = gettext ("beauty");
  73   puts (s);
  74   if (strcmp (s, "Sch\366nheit"))
  75     {
  76       fprintf (stderr, "thread 1 call 1 returned: %s\n", s);
  77       result = 1;
  78     }
  79   setto (2);
  80
  81   waitfor (1);
  82   s = gettext ("beauty");
  83   puts (s);
  84   if (strcmp (s, "Sch\366nheit"))
  85     {
  86       fprintf (stderr, "thread 1 call 2 returned: %s\n", s);
  87       result = 1;
  88     }
  89   setto (2);
  90
  91   return NULL;
  92 }
  93
  94 void *
  95 thread2_execution (void *arg)
  96 {
  97   char *s;
  98
  99   waitfor (2);
 100   uselocale (newlocale (LC_ALL_MASK, "fr_FR.ISO-8859-1", NULL));
 101   setto (1);
 102
 103   waitfor (2);
 104   s = gettext ("beauty");
 105   puts (s);
 106   if (strcmp (s, "beaut\351"))
 107     {
 108       fprintf (stderr, "thread 2 call 1 returned: %s\n", s);
 109       result = 1;
 110     }
 111   setto (1);
 112
 113   waitfor (2);
 114   s = gettext ("beauty");
 115   puts (s);
 116   if (strcmp (s, "beaut\351"))
 117     {
 118       fprintf (stderr, "thread 2 call 2 returned: %s\n", s);
 119       result = 1;
 120     }
 121   setto (1);
 122
 123   return NULL;
 124 }
 125
 126 int
 127 main (void)
 128 {
 129   pthread_t thread1;
 130   pthread_t thread2;
 131
 132   unsetenv ("LANGUAGE");
 133   unsetenv ("OUTPUT_CHARSET");
 134   textdomain ("multithread");
 135   bindtextdomain ("multithread", OBJPFX "domaindir");
 136   result = 0;
 137
 138   flipflop = 1;
 139   if (pthread_mutex_init (&lock, NULL))
 140     exit (2);
 141   if (pthread_cond_init (&waitqueue, NULL))
 142     exit (2);
 143   if (pthread_create (&thread1, NULL, &thread1_execution, NULL))
 144     exit (2);
 145   if (pthread_create (&thread2, NULL, &thread2_execution, NULL))
 146     exit (2);
 147   if (pthread_join (thread2, NULL))
 148     exit (3);
 149
 150   return result;
 151 }