COIN-OR::LEMON - Graph Library

source: lemon/lemon/bits/lock.h @ 1270:dceba191c00d

Last change on this file since 1270:dceba191c00d was 1270:dceba191c00d, checked in by Alpar Juttner <alpar@…>, 6 years ago

Apply unify-sources.sh to the source tree

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1/* -*- mode: C++; indent-tabs-mode: nil; -*-
2 *
3 * This file is a part of LEMON, a generic C++ optimization library.
4 *
5 * Copyright (C) 2003-2013
6 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
7 * (Egervary Research Group on Combinatorial Optimization, EGRES).
8 *
9 * Permission to use, modify and distribute this software is granted
10 * provided that this copyright notice appears in all copies. For
11 * precise terms see the accompanying LICENSE file.
12 *
13 * This software is provided "AS IS" with no warranty of any kind,
14 * express or implied, and with no claim as to its suitability for any
15 * purpose.
16 *
17 */
18
19#ifndef LEMON_BITS_LOCK_H
20#define LEMON_BITS_LOCK_H
21
22#include <lemon/config.h>
23#if defined(LEMON_USE_PTHREAD)
24#include <pthread.h>
25#elif defined(LEMON_USE_WIN32_THREADS)
26#include <lemon/bits/windows.h>
27#endif
28
29namespace lemon {
30  namespace bits {
31
32#if defined(LEMON_USE_PTHREAD)
33    class Lock {
34    public:
35      Lock() {
36        pthread_mutex_init(&_lock, 0);
37      }
38      ~Lock() {
39        pthread_mutex_destroy(&_lock);
40      }
41      void lock() {
42        pthread_mutex_lock(&_lock);
43      }
44      void unlock() {
45        pthread_mutex_unlock(&_lock);
46      }
47
48    private:
49      pthread_mutex_t _lock;
50    };
51#elif defined(LEMON_USE_WIN32_THREADS)
52    class Lock : public WinLock {};
53#else
54    class Lock {
55    public:
56      Lock() {}
57      ~Lock() {}
58      void lock() {}
59      void unlock() {}
60    };
61#endif
62  }
63}
64
65#endif
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