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 //---------------------------------------------------------------------- 00021 //---------------------------------------------------------------------- 00022 #include "SemaphoreImplLxrt35.h" 00023 00024 #include <errno.h> 00025 00026 namespace icl_core { 00027 namespace logging { 00028 00029 SemaphoreImplLxrt35::SemaphoreImplLxrt35(size_t initial_value) 00030 : m_semaphore(NULL) 00031 { 00032 m_semaphore = new sem_t; 00033 sem_init_rt(m_semaphore, PTHREAD_PROCESS_PRIVATE, initial_value); 00034 } 00035 00036 SemaphoreImplLxrt35::~SemaphoreImplLxrt35() 00037 { 00038 if (m_semaphore == NULL) 00039 { 00040 // Nothing to be done here! 00041 } 00042 else 00043 { 00044 sem_destroy_rt(m_semaphore); 00045 delete m_semaphore; 00046 m_semaphore = NULL; 00047 } 00048 } 00049 00050 void SemaphoreImplLxrt35::post() 00051 { 00052 sem_post_rt(m_semaphore); 00053 } 00054 00055 bool SemaphoreImplLxrt35::wait() 00056 { 00057 int res = sem_wait_rt(m_semaphore); 00058 return (res == 0); 00059 } 00060 00061 } 00062 }