95 lines
3.0 KiB
C++
95 lines
3.0 KiB
C++
/*
|
|
PIP - Platform Independent Primitives
|
|
Thread
|
|
Copyright (C) 2011 Ivan Pelipenko peri4@rambler.ru
|
|
|
|
This program is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef PITHREAD_H
|
|
#define PITHREAD_H
|
|
|
|
#include <signal.h>
|
|
#include "pimutex.h"
|
|
#include "piobject.h"
|
|
|
|
#ifdef WINDOWS
|
|
inline void msleep(int msecs) {Sleep(msecs);}
|
|
#else
|
|
inline void msleep(int msecs) {usleep(msecs * 1000);}
|
|
#endif
|
|
|
|
class PIThread: public PIObject {
|
|
public:
|
|
PIThread(bool startNow = false, int timer_delay = -1);
|
|
~PIThread();
|
|
|
|
#ifdef QNX
|
|
enum Priority {piHighest = 12,
|
|
piHigh = 11,
|
|
piNormal = 10,
|
|
piLow = 9,
|
|
piLowerst = 8 };
|
|
#else
|
|
enum Priority {piHighest = -2,
|
|
piHigh = -1,
|
|
piNormal = 0,
|
|
piLow = 1,
|
|
piLowerst = 2 };
|
|
#endif
|
|
|
|
//bool start(int timer_delay = -1);
|
|
EVENT_HANDLER0(PIThread, bool, start) {return start(-1);}
|
|
EVENT_HANDLER1(PIThread, bool, start, int, timer_delay);
|
|
EVENT_HANDLER0(PIThread, bool, startOnce);
|
|
EVENT_HANDLER0(PIThread, void, stop) {stop(false);}
|
|
EVENT_HANDLER1(PIThread, void, stop, bool, wait) {terminating = true; if (wait) waitForFinish();}
|
|
EVENT_HANDLER0(PIThread, void, terminate) {terminate(false);}
|
|
EVENT_HANDLER1(PIThread, void, terminate, bool, hard);
|
|
void setPriority(PIThread::Priority prior);
|
|
PIThread::Priority priority() const {return priority_;}
|
|
bool isRunning() const {return running;}
|
|
EVENT_HANDLER0(PIThread, bool, waitForFinish) {return waitForFinish(-1);}
|
|
EVENT_HANDLER1(PIThread, bool, waitForFinish, int, timeout_msecs);
|
|
EVENT_HANDLER0(PIThread, bool, waitForStart) {return waitForStart(-1);}
|
|
EVENT_HANDLER1(PIThread, bool, waitForStart, int, timeout_msecs);
|
|
void needLockRun(bool need) {lockRun = need;}
|
|
EVENT_HANDLER0(PIThread, void, lock) {mutex_.lock();}
|
|
EVENT_HANDLER0(PIThread, void, unlock) {mutex_.unlock();}
|
|
PIMutex & mutex() {return mutex_;}
|
|
|
|
private:
|
|
virtual void begin() {;} // executed at start
|
|
virtual void run() {;} // main loop
|
|
virtual void end() {;} // executed at finish
|
|
|
|
protected:
|
|
static void * thread_function(void * t);
|
|
static void * thread_function_once(void * t);
|
|
|
|
volatile bool terminating, running, lockRun;
|
|
int timer, policy;
|
|
PIMutex mutex_;
|
|
PIThread::Priority priority_;
|
|
#ifndef WINDOWS
|
|
pthread_t thread;
|
|
sched_param sparam;
|
|
#else
|
|
void * thread;
|
|
#endif
|
|
|
|
};
|
|
|
|
#endif // PITHREAD_H
|