/* C11 threads recursive mutex tests. Copyright (C) 2018-2019 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see <http://www.gnu.org/licenses/>. */ #include <threads.h> #include <stdio.h> #include <unistd.h> #include <support/check.h> static int do_test (void) { static mtx_t mutex; if (mtx_init (&mutex, mtx_recursive) != thrd_success) FAIL_EXIT1 ("mtx_init failed"); if (mtx_lock (&mutex) != thrd_success) FAIL_EXIT1 ("mtx_lock failed"); /* Lock mutex second time, if not recursive should deadlock. */ if (mtx_lock (&mutex) != thrd_success) FAIL_EXIT1 ("mtx_lock failed"); mtx_destroy (&mutex); return 0; } #include <support/test-driver.c>