00001 // this is for emacs file handling -*- mode: c++; indent-tabs-mode: nil -*- 00002 00003 // -- BEGIN LICENSE BLOCK ---------------------------------------------- 00004 // This file is part of FZIs ic_workspace. 00005 // 00006 // This program is free software licensed under the LGPL 00007 // (GNU LESSER GENERAL PUBLIC LICENSE Version 3). 00008 // You can find a copy of this license in LICENSE folder in the top 00009 // directory of the source code. 00010 // 00011 // © Copyright 2016 FZI Forschungszentrum Informatik, Karlsruhe, Germany 00012 // 00013 // -- END LICENSE BLOCK ------------------------------------------------ 00014 00015 //---------------------------------------------------------------------- 00025 //---------------------------------------------------------------------- 00026 #ifndef ICL_CORE_THREAD_SEMAPHORE_IMPL_POSIX_H_INCLUDED 00027 #define ICL_CORE_THREAD_SEMAPHORE_IMPL_POSIX_H_INCLUDED 00028 00029 #include <semaphore.h> 00030 00031 #include <icl_core/BaseTypes.h> 00032 00033 #include "icl_core_thread/SemaphoreImpl.h" 00034 00035 namespace icl_core { 00036 namespace thread { 00037 00038 class SemaphoreImplPosix : public SemaphoreImpl, protected virtual icl_core::Noncopyable 00039 { 00040 public: 00041 SemaphoreImplPosix(size_t initial_value); 00042 virtual ~SemaphoreImplPosix(); 00043 00044 virtual void post(); 00045 virtual bool tryWait(); 00046 virtual bool wait(); 00047 virtual bool wait(const icl_core::TimeSpan& timeout); 00048 virtual bool wait(const icl_core::TimeStamp& timeout); 00049 00050 private: 00051 sem_t *m_semaphore; 00052 }; 00053 00054 } 00055 } 00056 00057 #endif