1 /* Multithread-safety test for setlocale_null_r (LC_ALL, ...).
2 Copyright (C) 2019-2021 Free Software Foundation, Inc.
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.
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.
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/>. */
17 /* Written by Bruno Haible <bruno@clisp.org>, 2019. */
21 /* Work around GCC bug 44511. */
22 #if 4 < __GNUC__ + (3 <= __GNUC_MINOR__)
23 # pragma GCC diagnostic ignored "-Wreturn-type"
26 #if USE_ISOC_THREADS || USE_POSIX_THREADS || USE_ISOC_AND_POSIX_THREADS || USE_WINDOWS_THREADS
36 #include "glthread/thread.h"
38 /* We want to use the system's setlocale() function here, not the gnulib
43 /* Some common locale names. */
45 #if defined _WIN32 && !defined __CYGWIN__
46 # define ENGLISH "English_United States"
47 # define GERMAN "German_Germany"
48 # define FRENCH "French_France"
49 # define ENCODING ".1252"
51 # define ENGLISH "en_US"
52 # define GERMAN "de_DE"
53 # define FRENCH "fr_FR"
55 # define ENCODING ".ISO8859-15"
57 # define ENCODING ".utf8"
59 # define ENCODING ".UTF-8"
63 static const char LOCALE1[] = ENGLISH ENCODING;
64 static const char LOCALE2[] = GERMAN ENCODING;
65 static const char LOCALE3[] = FRENCH ENCODING;
67 static char *expected;
70 thread1_func (void *arg)
74 char buf[SETLOCALE_NULL_ALL_MAX];
76 if (setlocale_null_r (LC_ALL, buf, sizeof (buf)))
78 if (strcmp (expected, buf) != 0)
80 fprintf (stderr, "thread1 disturbed by thread2!\n"); fflush (stderr);
89 thread2_func (void *arg)
93 char buf[SETLOCALE_NULL_ALL_MAX];
95 setlocale_null_r (LC_NUMERIC, buf, sizeof (buf));
96 setlocale_null_r (LC_ALL, buf, sizeof (buf));
103 main (int argc, char *argv[])
105 if (setlocale (LC_ALL, LOCALE1) == NULL)
107 fprintf (stderr, "Skipping test: LOCALE1 not recognized\n");
110 if (setlocale (LC_NUMERIC, LOCALE2) == NULL)
112 fprintf (stderr, "Skipping test: LOCALE2 not recognized\n");
115 if (setlocale (LC_TIME, LOCALE3) == NULL)
117 fprintf (stderr, "Skipping test: LOCALE3 not recognized\n");
121 expected = strdup (setlocale (LC_ALL, NULL));
123 /* Create the two threads. */
124 gl_thread_create (thread1_func, NULL);
125 gl_thread_create (thread2_func, NULL);
127 /* Let them run for 5 seconds. */
129 struct timespec duration;
131 duration.tv_nsec = 0;
133 nanosleep (&duration, NULL);
141 /* No multithreading available. */
148 fputs ("Skipping test: multithreading not enabled\n", stderr);
154 /* Without locking, the results of this test would be:
156 musl libc crash < 10 sec
158 FreeBSD crash < 1 sec
160 OpenBSD crash < 1 sec
167 Solaris OpenIndiana OK
171 MSVC OK (assuming compiler option /MD !)