Hash :
1d1374e3
Author :
Date :
2024-08-04T23:55:37
once: New module, extracted from lock. * lib/glthread/once.h: New file, extracted from lib/glthread/lock.h. * lib/glthread/once.c: New file, extracted from lib/glthread/lock.c. * lib/glthread/lock.h: Include glthread/once.h. Don't include windows-once.h. (c11_threads_in_use, glthread_in_use, gl_once_t, gl_once_define, glthread_once): Remove. (glthread_once_singlethreaded, glthread_once_multithreaded): Remove declarations. * lib/glthread/lock.c (fresh_once, glthread_once_singlethreaded, glthread_once_multithreaded): Remove. * modules/once: New file. * modules/lock (Depends-on): Add once. Remove pthread-once, windows-once. * tests/test-once.c: Include glthread/once.h instead of glthread/lock.h. * doc/multithread.texi (Gnulib multithreading): Mention the module 'once'.
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/* Test of once-only execution in multithreaded situations.
Copyright (C) 2018-2024 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
/* Written by Bruno Haible <bruno@clisp.org>, 2018. */
#include <config.h>
#include "glthread/once.h"
#include "macros.h"
gl_once_define(static, a_once)
static int a;
static void
a_init (void)
{
a = 42;
}
int
main ()
{
gl_once (a_once, a_init);
ASSERT (a == 42);
return test_exit_status;
}