62 lines
1.4 KiB
C++
62 lines
1.4 KiB
C++
#ifndef PITHREAD_H
|
|
#define PITHREAD_H
|
|
|
|
#include <pthread.h>
|
|
#include "piincludes.h"
|
|
#include "pimutex.h"
|
|
|
|
#ifdef WINDOWS
|
|
inline void msleep(int msecs) {Sleep(msecs);}
|
|
#else
|
|
inline void msleep(int msecs) {usleep(msecs * 1000);}
|
|
#endif
|
|
|
|
class PIThread {
|
|
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);
|
|
void stop() {terminating = true;}
|
|
void setPriority(PIThread::Priority prior);
|
|
PIThread::Priority priority() const {return priority_;}
|
|
bool isRunning() const {return running;}
|
|
void waitForFinish() {while (running) msleep(1);}
|
|
void needLockRun(bool need) {lockRun = need;}
|
|
void lock() {mutex_.lock();;}
|
|
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);
|
|
|
|
volatile bool terminating, running, lockRun;
|
|
int timer, policy;
|
|
pthread_t thread;
|
|
PIMutex mutex_;
|
|
sched_param sparam;
|
|
PIThread::Priority priority_;
|
|
|
|
};
|
|
|
|
#endif // PITHREAD_H
|