00001 /* 00002 * Copyright (c) 2011 MLBA. All rights reserved. 00003 * 00004 * @MLBA_OPEN_LICENSE_HEADER_START@ 00005 * 00006 * Licensed under the Apache License, Version 2.0 (the "License"); 00007 * you may not use this file except in compliance with the License. 00008 * You may obtain a copy of the License at 00009 * 00010 * http://www.apache.org/licenses/LICENSE-2.0 00011 * 00012 * Unless required by applicable law or agreed to in writing, software 00013 * distributed under the License is distributed on an "AS IS" BASIS, 00014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00015 * See the License for the specific language governing permissions and 00016 * limitations under the License. 00017 * 00018 * @MLBA_OPEN_LICENSE_HEADER_END@ 00019 */ 00020 00021 00022 #ifndef QDISPATCH_SEMAPHORE_H_ 00023 #define QDISPATCH_SEMAPHORE_H_ 00024 00025 #include "qdispatchglobal.h" 00026 #include "../xdispatch/dispatch.h" 00027 00028 class QTime; 00029 00030 QT_BEGIN_HEADER 00031 QT_BEGIN_NAMESPACE 00032 00033 QT_MODULE(Dispatch) 00034 00035 00043 class Q_DISPATCH_EXPORT QDispatchSemaphore : public xdispatch::semaphore { 00044 00045 public: 00057 QDispatchSemaphore(int = 1); 00058 QDispatchSemaphore(const QDispatchSemaphore&); 00059 QDispatchSemaphore(dispatch_semaphore_t); 00060 QDispatchSemaphore(const xdispatch::semaphore&); 00061 ~QDispatchSemaphore(); 00062 00072 bool try_acquire(const QTime&); 00073 using xdispatch::semaphore::try_acquire; 00074 00075 }; 00076 00077 Q_DECL_EXPORT QDebug operator<<(QDebug, const QDispatchSemaphore&); 00078 00079 QT_END_NAMESPACE 00080 QT_END_HEADER 00081 00082 #endif /* QDISPATCH_SEMAPHORE_H_ */