43 lines
1.1 KiB
C
43 lines
1.1 KiB
C
/* Test of once-only execution in multithreaded situations.
|
|
Copyright (C) 2018-2025 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 <pthread.h>
|
|
|
|
#include "macros.h"
|
|
|
|
static pthread_once_t a_once = PTHREAD_ONCE_INIT;
|
|
|
|
static int a;
|
|
|
|
static void
|
|
a_init (void)
|
|
{
|
|
a = 42;
|
|
}
|
|
|
|
int
|
|
main ()
|
|
{
|
|
ASSERT (pthread_once (&a_once, a_init) == 0);
|
|
|
|
ASSERT (a == 42);
|
|
|
|
return test_exit_status;
|
|
}
|