/* 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 . */ /* Written by Bruno Haible , 2018. */ #include #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; }