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 "SemaphoreImplLxrt38.h" 00023 00024 namespace icl_core { 00025 namespace logging { 00026 00027 SemaphoreImplLxrt38::SemaphoreImplLxrt38(size_t initial_value) 00028 : m_semaphore(NULL) 00029 { 00030 m_semaphore = rt_typed_sem_init(size_t(this), initial_value, CNT_SEM | PRIO_Q); 00031 } 00032 00033 SemaphoreImplLxrt38::~SemaphoreImplLxrt38() 00034 { 00035 if (m_semaphore == NULL) 00036 { 00037 // Nothing to be done here! 00038 } 00039 else 00040 { 00041 rt_sem_delete(m_semaphore); 00042 m_semaphore = NULL; 00043 } 00044 } 00045 00046 void SemaphoreImplLxrt38::post() 00047 { 00048 rt_sem_signal(m_semaphore); 00049 } 00050 00051 bool SemaphoreImplLxrt38::wait() 00052 { 00053 int res = rt_sem_wait(m_semaphore); 00054 return (res < SEM_TIMOUT); 00055 } 00056 00057 } 00058 }