/* Copyright (c) 2011-2013, 2015, 2017The Linux Foundation. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials provided * with the distribution. * * Neither the name of The Linux Foundation, nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * */ #define LOG_NDDEBUG 0 #define LOG_TAG "LocSvc_MsgTask" #include #include #include #include #include static void LocMsgDestroy(void* msg) { delete (LocMsg*)msg; } MsgTask::MsgTask(LocThread::tCreate tCreator, const char* threadName, bool joinable) : mQ(msg_q_init2()), mThread(new LocThread()) { if (!mThread->start(tCreator, threadName, this, joinable)) { delete mThread; mThread = NULL; } } MsgTask::MsgTask(const char* threadName, bool joinable) : mQ(msg_q_init2()), mThread(new LocThread()) { if (!mThread->start(threadName, this, joinable)) { delete mThread; mThread = NULL; } } MsgTask::~MsgTask() { msg_q_flush((void*)mQ); msg_q_destroy((void**)&mQ); } void MsgTask::destroy() { LocThread* thread = mThread; msg_q_unblock((void*)mQ); if (thread) { mThread = NULL; delete thread; } else { delete this; } } void MsgTask::sendMsg(const LocMsg* msg) const { msg_q_snd((void*)mQ, (void*)msg, LocMsgDestroy); } void MsgTask::prerun() { // make sure we do not run in background scheduling group platform_lib_abstraction_set_sched_policy(platform_lib_abstraction_gettid(), PLA_SP_FOREGROUND); } bool MsgTask::run() { //LOC_LOGV("MsgTask::loop() listening ...\n"); LocMsg* msg; msq_q_err_type result = msg_q_rcv((void*)mQ, (void **)&msg); if (eMSG_Q_SUCCESS != result) { LOC_LOGE("%s:%d] fail receiving msg: %s\n", __func__, __LINE__, loc_get_msg_q_status(result)); return false; } msg->log(); // there is where each individual msg handling is invoked msg->proc(); delete msg; return true; }