58 lines
1.8 KiB
C
58 lines
1.8 KiB
C
/*
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* Copyright (c) 2017-2020, Patrick Pelissier
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* All rights reserved.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* + Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* + Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdio.h>
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#include "m-mutex.h"
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M_LOCK_DECL(global_lock);
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unsigned long long n = 0;
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static void f(void *arg)
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{
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(void)arg; // Unused
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// Global lock to perform atomic addition.
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M_LOCK(global_lock) {
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n += 1;
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}
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}
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static void test_global(void)
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{
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m_thread_t idx_p[100];
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n = 0;
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for(int i = 0; i < 100; i++) {
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m_thread_create (idx_p[i], f, NULL);
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}
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for(int i = 0; i < 100;i++) {
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m_thread_join(idx_p[i]);
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}
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assert (n == 100);
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}
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int main(void)
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{
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test_global();
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exit(0);
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}
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