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) 2005-2017 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, see
  19    <http://www.gnu.org/licenses/>.  */
  20
  21 #include <libintl.h>
  22 #include <locale.h>
  23 #include <pthread.h>
  24 #include <stdio.h>
  25 #include <stdlib.h>
  26 #include <string.h>
  27
  28 /* Set to 1 if the program is not behaving correctly.  */
  29 int result;
  30
  31 /* Denotes which thread should run next.  */
  32 int flipflop;
  33 /* Lock and wait queue used to switch between the threads.  */
  34 pthread_mutex_t lock;
  35 pthread_cond_t waitqueue;
  36
  37 /* Waits until the flipflop has a given value.
  38    Before the call, the lock is unlocked.  After the call, it is locked.  */
  39 static void
  40 waitfor (int value)
  41 {
  42   if (pthread_mutex_lock (&lock))
  43     exit (10);
  44   while (flipflop != value)
  45     if (pthread_cond_wait (&waitqueue, &lock))
  46       exit (11);
  47 }
  48
  49 /* Sets the flipflop to a given value.
  50    Before the call, the lock is locked.  After the call, it is unlocked.  */
  51 static void
  52 setto (int value)
  53 {
  54   flipflop = value;
  55   if (pthread_cond_signal (&waitqueue))
  56     exit (20);
  57   if (pthread_mutex_unlock (&lock))
  58     exit (21);
  59 }
  60
  61 void *
  62 thread1_execution (void *arg)
  63 {
  64   char *s;
  65
  66   waitfor (1);
  67   uselocale (newlocale (LC_ALL_MASK, "de_DE.ISO-8859-1", NULL));
  68   setto (2);
  69
  70   waitfor (1);
  71   s = gettext ("beauty");
  72   puts (s);
  73   if (strcmp (s, "Sch\366nheit"))
  74     {
  75       fprintf (stderr, "thread 1 call 1 returned: %s\n", s);
  76       result = 1;
  77     }
  78   setto (2);
  79
  80   waitfor (1);
  81   s = gettext ("beauty");
  82   puts (s);
  83   if (strcmp (s, "Sch\366nheit"))
  84     {
  85       fprintf (stderr, "thread 1 call 2 returned: %s\n", s);
  86       result = 1;
  87     }
  88   setto (2);
  89
  90   return NULL;
  91 }
  92
  93 void *
  94 thread2_execution (void *arg)
  95 {
  96   char *s;
  97
  98   waitfor (2);
  99   uselocale (newlocale (LC_ALL_MASK, "fr_FR.ISO-8859-1", NULL));
 100   setto (1);
 101
 102   waitfor (2);
 103   s = gettext ("beauty");
 104   puts (s);
 105   if (strcmp (s, "beaut\351"))
 106     {
 107       fprintf (stderr, "thread 2 call 1 returned: %s\n", s);
 108       result = 1;
 109     }
 110   setto (1);
 111
 112   waitfor (2);
 113   s = gettext ("beauty");
 114   puts (s);
 115   if (strcmp (s, "beaut\351"))
 116     {
 117       fprintf (stderr, "thread 2 call 2 returned: %s\n", s);
 118       result = 1;
 119     }
 120   setto (1);
 121
 122   return NULL;
 123 }
 124
 125 int
 126 main (void)
 127 {
 128   pthread_t thread1;
 129   pthread_t thread2;
 130
 131   unsetenv ("LANGUAGE");
 132   unsetenv ("OUTPUT_CHARSET");
 133   textdomain ("multithread");
 134   bindtextdomain ("multithread", OBJPFX "domaindir");
 135   result = 0;
 136
 137   flipflop = 1;
 138   if (pthread_mutex_init (&lock, NULL))
 139     exit (2);
 140   if (pthread_cond_init (&waitqueue, NULL))
 141     exit (2);
 142   if (pthread_create (&thread1, NULL, &thread1_execution, NULL))
 143     exit (2);
 144   if (pthread_create (&thread2, NULL, &thread2_execution, NULL))
 145     exit (2);
 146   if (pthread_join (thread2, NULL))
 147     exit (3);
 148
 149   return result;
 150 }