/* * Copyright (c) 2017-2025, Patrick Pelissier * All rights reserved. * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * + Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * + Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include #include "coverage.h" #include "m-thread.h" M_LOCK_DECL(global_lock); unsigned long long n = 0; static void f(void *arg) { (void)arg; // Unused // Global lock to perform atomic addition. M_LOCK(global_lock) { n += 1; } } static void test_global(void) { m_thread_t idx_p[100]; n = 0; for(int i = 0; i < 100; i++) { m_thread_create (idx_p[i], f, NULL); } for(int i = 0; i < 100;i++) { m_thread_join(idx_p[i]); } assert (n == 100); } int main(void) { test_global(); exit(0); }