2 * Copyright (c) 2005, Eric Crahen
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:
11 * The above copyright notice and this permission notice shall be included in all
12 * copies or substantial portions of the Software.
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.
24 #include "zthread/PrioritySemaphore.h"
25 #include "SemaphoreImpl.h"
29 class PrioritySemaphoreImpl
: public SemaphoreImpl
<priority_list
> {
32 PrioritySemaphoreImpl(int count
, unsigned int maxCount
)
33 : SemaphoreImpl
<priority_list
>(count
, maxCount
, true) { }
38 * Create a new semaphore of a given size with a given count
40 * @param initialCount initial count to assign this semaphore
41 * @param maxCount maximum size of the semaphore count
43 PrioritySemaphore::PrioritySemaphore(int count
, unsigned int maxCount
) {
45 _impl
= new PrioritySemaphoreImpl(count
, maxCount
);
49 PrioritySemaphore::~PrioritySemaphore() {
56 void PrioritySemaphore::wait() {
63 bool PrioritySemaphore::tryWait(unsigned long ms
) {
65 return _impl
->tryAcquire(ms
);
69 void PrioritySemaphore::post() {
75 int PrioritySemaphore::count() {
77 return _impl
->count();
81 ///////////////////////////////////////////////////////////////////////////////
82 // Locakable compatibility
85 void PrioritySemaphore::acquire() {
91 bool PrioritySemaphore::tryAcquire(unsigned long ms
) {
93 return _impl
->tryAcquire(ms
);
98 void PrioritySemaphore::release() {
104 } // namespace ZThread