deba@979: /* -*- mode: C++; indent-tabs-mode: nil; -*-
deba@979:  *
deba@979:  * This file is a part of LEMON, a generic C++ optimization library.
deba@979:  *
alpar@1092:  * Copyright (C) 2003-2013
deba@979:  * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
deba@979:  * (Egervary Research Group on Combinatorial Optimization, EGRES).
deba@979:  *
deba@979:  * Permission to use, modify and distribute this software is granted
deba@979:  * provided that this copyright notice appears in all copies. For
deba@979:  * precise terms see the accompanying LICENSE file.
deba@979:  *
deba@979:  * This software is provided "AS IS" with no warranty of any kind,
deba@979:  * express or implied, and with no claim as to its suitability for any
deba@979:  * purpose.
deba@979:  *
deba@979:  */
deba@979: 
deba@979: #ifndef LEMON_BITS_LOCK_H
deba@979: #define LEMON_BITS_LOCK_H
deba@979: 
deba@979: #include <lemon/config.h>
deba@979: #if defined(LEMON_USE_PTHREAD)
deba@979: #include <pthread.h>
deba@979: #elif defined(LEMON_USE_WIN32_THREADS)
deba@979: #include <lemon/bits/windows.h>
deba@979: #endif
deba@979: 
deba@979: namespace lemon {
deba@979:   namespace bits {
deba@979: 
deba@979: #if defined(LEMON_USE_PTHREAD)
deba@979:     class Lock {
deba@979:     public:
deba@979:       Lock() {
alpar@1092:         pthread_mutex_init(&_lock, 0);
deba@979:       }
deba@979:       ~Lock() {
alpar@1092:         pthread_mutex_destroy(&_lock);
deba@979:       }
deba@979:       void lock() {
alpar@1092:         pthread_mutex_lock(&_lock);
deba@979:       }
deba@979:       void unlock() {
alpar@1092:         pthread_mutex_unlock(&_lock);
deba@979:       }
deba@979: 
deba@979:     private:
deba@979:       pthread_mutex_t _lock;
deba@979:     };
deba@979: #elif defined(LEMON_USE_WIN32_THREADS)
deba@979:     class Lock : public WinLock {};
deba@979: #else
deba@979:     class Lock {
deba@979:     public:
deba@979:       Lock() {}
deba@979:       ~Lock() {}
deba@979:       void lock() {}
deba@979:       void unlock() {}
alpar@1092:     };
deba@979: #endif
deba@979:   }
deba@979: }
deba@979: 
deba@979: #endif