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49 lines
821 B
C++
49 lines
821 B
C++
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// vim:sw=2:ai
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/*
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* Copyright (C) 2010-2011 DeNA Co.,Ltd.. All rights reserved.
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* See COPYRIGHT.txt for details.
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*/
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#ifndef DENA_MUTEX_HPP
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#define DENA_MUTEX_HPP
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#include "fatal.hpp"
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#include "util.hpp"
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namespace dena {
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struct condition;
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struct mutex : private noncopyable {
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friend struct condition;
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mutex() {
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if (pthread_mutex_init(&mtx, 0) != 0) {
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fatal_abort("pthread_mutex_init");
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}
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}
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~mutex() {
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if (pthread_mutex_destroy(&mtx) != 0) {
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fatal_abort("pthread_mutex_destroy");
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}
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}
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void lock() const {
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if (pthread_mutex_lock(&mtx) != 0) {
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fatal_abort("pthread_mutex_lock");
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}
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}
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void unlock() const {
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if (pthread_mutex_unlock(&mtx) != 0) {
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fatal_abort("pthread_mutex_unlock");
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}
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}
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private:
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mutable pthread_mutex_t mtx;
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};
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};
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#endif
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