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Had some problems with mySleep() related to select() which was used inside mySleep()
161 lines
3.7 KiB
C++
161 lines
3.7 KiB
C++
/*
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Based up Neutrino-GUI - Tuxbox-Project
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Copyright (C) 2001 by Steffen Hehn 'McClean'
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Generic Timer.
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Copyright (C) 2013-2016, Thilo Graf 'dbt'
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License: GPL
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <global.h>
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#include <neutrino.h>
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#include "cc_timer.h"
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#include <pthread.h>
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#include <errno.h>
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#include <system/helpers.h>
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#include <system/debug.h>
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#include <system/set_threadname.h>
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using namespace std;
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CComponentsTimer::CComponentsTimer(const int& interval, bool is_nano)
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{
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name = "unnamed";
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tm_thread = 0;
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tm_interval = interval;
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tm_enable_nano = is_nano;
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sl_stop_timer = sigc::mem_fun(*this, &CComponentsTimer::stopTimer);
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if (interval > 0)
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startTimer();
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}
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CComponentsTimer::~CComponentsTimer()
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{
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stopTimer();
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}
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void CComponentsTimer::runSharedTimerAction()
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{
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//start loop
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string tn = "cc:"+name;
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set_threadname(tn.c_str());
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while(tm_enable && tm_interval > 0) {
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tm_mutex.lock();
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OnTimer();
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if (!tm_enable_nano)
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sleep(tm_interval);
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else
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usleep((useconds_t)tm_interval);
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tm_mutex.unlock();
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}
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if (tm_thread)
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stopThread();
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}
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//thread handle
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void* CComponentsTimer::initThreadAction(void *arg)
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{
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CComponentsTimer *timer = static_cast<CComponentsTimer*>(arg);
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timer->runSharedTimerAction();
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return 0;
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}
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//start up running timer with own thread, return true on succses
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void CComponentsTimer::initThread()
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{
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if (!tm_enable)
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return;
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if(!tm_thread) {
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void *ptr = static_cast<void*>(this);
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pthread_setcancelstate(PTHREAD_CANCEL_ENABLE,0);
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pthread_setcanceltype (PTHREAD_CANCEL_ASYNCHRONOUS,0);
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int res = pthread_create (&tm_thread, NULL, initThreadAction, ptr);
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if (res != 0){
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dprintf(DEBUG_NORMAL,"\033[33m[CComponentsTimer] [%s - %d] ERROR! pthread_create\033[0m\n", __func__, __LINE__);
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return;
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}else
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dprintf(DEBUG_DEBUG,"\033[33m[CComponentsTimer] [%s - %d] started thread ID:%ld \033[0m\n", __func__, __LINE__, pthread_self());
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if (res == 0)
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CNeutrinoApp::getInstance()->OnBeforeRestart.connect(sl_stop_timer);
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}
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}
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void CComponentsTimer::stopThread()
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{
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//ensure disconnecting possible slots
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while (!sl_stop_timer.empty())
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sl_stop_timer.disconnect();
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while(tm_thread) {
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int thres = pthread_cancel(tm_thread);
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if (thres != 0)
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dprintf(DEBUG_NORMAL,"\033[33m[CComponentsTimer] [%s - %d] ERROR! pthread_cancel, error [%d] %s\033[0m\n", __func__, __LINE__, thres, strerror(thres));
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void* res;
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thres = pthread_join(tm_thread, &res);
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if (res != PTHREAD_CANCELED)
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dprintf(DEBUG_NORMAL, "\033[33m[CComponentsTimer] [%s - %d] ERROR! pthread_join, thread ID:%ld, error [%d] %s\033[0m\n", __func__, __LINE__, pthread_self(), thres, strerror(thres));
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else
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tm_thread = 0;
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}
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}
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bool CComponentsTimer::startTimer()
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{
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tm_enable = true;
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initThread();
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if(tm_thread)
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return true;
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return false;
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}
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bool CComponentsTimer::stopTimer()
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{
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tm_enable = false;
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stopThread();
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if(tm_thread == 0)
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return true;
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return false;
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}
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void CComponentsTimer::setTimerInterval(const int& interval, bool is_nano)
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{
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if (tm_interval == interval && tm_enable_nano == is_nano)
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return;
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tm_enable_nano = is_nano;
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tm_interval = interval;
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}
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