/* Copyright (C) 2002-2019 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. 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 <https://www.gnu.org/licenses/>. */ #include <pthread.h> #include <stdio.h> #include <errno.h> #include <stdbool.h> #include <libc-diag.h> #ifndef ATTR # define ATTR NULL # define ATTR_NULL true #endif static int do_test (void) { pthread_mutex_t m; int e = pthread_mutex_init (&m, ATTR); if (!ATTR_NULL && e == ENOTSUP) { puts ("cannot support selected type of mutexes"); return 0; } else if (e != 0) { puts ("mutex_init failed"); return 1; } /* This deliberately tests supplying a null pointer to a function whose argument is marked __attribute__ ((nonnull)). */ DIAG_PUSH_NEEDS_COMMENT; DIAG_IGNORE_NEEDS_COMMENT (5, "-Wnonnull"); if (!ATTR_NULL && pthread_mutexattr_destroy (ATTR) != 0) { puts ("mutexattr_destroy failed"); return 1; } DIAG_POP_NEEDS_COMMENT; if (pthread_mutex_lock (&m) != 0) { puts ("mutex_lock failed"); return 1; } if (pthread_mutex_unlock (&m) != 0) { puts ("mutex_unlock failed"); return 1; } if (pthread_mutex_destroy (&m) != 0) { puts ("mutex_destroy failed"); return 1; } return 0; } #ifndef TEST_FUNCTION # define TEST_FUNCTION do_test () #endif #include "../test-skeleton.c"