root/trunk/dep/src/zthread/CountingSemaphore.cxx @ 164

Revision 2, 2.0 kB (checked in by yumileroy, 17 years ago)

[svn] * Proper SVN structure

Original author: Neo2003
Date: 2008-10-02 16:23:55-05:00
Line 
1/*
2 * Copyright (c) 2005, Eric Crahen
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a copy
5 * of this software and associated documentation files (the "Software"), to deal
6 * in the Software without restriction, including without limitation the rights
7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8 * copies of the Software, and to permit persons to whom the Software is furnished
9 * to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in all
12 * copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
18 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
19 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
20 *
21 */
22
23#include "zthread/CountingSemaphore.h"
24#include "SemaphoreImpl.h"
25
26using namespace ZThread;
27
28namespace ZThread {
29
30
31  CountingSemaphore::CountingSemaphore(int initialCount) {
32 
33    _impl = new FifoSemaphoreImpl(initialCount, 0 , false);
34 
35  }
36
37
38  CountingSemaphore::~CountingSemaphore() {
39
40    try {
41
42      if(_impl != 0)
43        delete _impl;
44
45    } catch(...) { }
46
47  }
48
49
50  void CountingSemaphore::wait() {
51    _impl->acquire();
52  }
53
54
55  bool CountingSemaphore::tryWait(unsigned long ms) {
56
57    return _impl->tryAcquire(ms);
58
59  }
60
61
62  void CountingSemaphore::post() {
63
64    _impl->release();
65
66  }
67
68  int CountingSemaphore::count() {
69
70    return _impl->count();
71
72  }
73
74  void CountingSemaphore::acquire() {
75
76    _impl->acquire();
77
78  }
79
80  bool CountingSemaphore::tryAcquire(unsigned long ms) {
81
82    return _impl->tryAcquire(ms);
83
84  }
85
86  void CountingSemaphore::release() {
87
88    _impl->release();
89
90  }
91
92} // namespace ZThread
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