30.11.2010 - initial commit

pitimer.h

@@ -0,0 +1,69 @@
+#ifndef PITIMER_H
+#define PITIMER_H
+
+#include <ctime>
+#include <csignal>
+#include "pithread.h"
+
+typedef void (*TimerEvent)(void * );
+
+struct PITime {
+	int seconds;
+	int minutes;
+	int hours;
+};
+
+struct PIDate {
+	int day;
+	int month;
+	int year; // since 1900
+};
+
+class PITimer
+#ifdef __WIN32__
+: public PIThread
+#endif
+{
+public:
+	PITimer(void * data = 0, TimerEvent slot = 0);
+	~PITimer() {stop();}
+#ifdef __WIN32__
+	void reset() {t_st = GetCurrentTime();}
+#else
+	void reset() {clock_gettime(0, &t_st);}
+	void start(double msecs);
+	void stop() {if (ti == 0) timer_delete(timer); ti = -1; running = false;}
+	bool isRunning() const {return running;}
+#endif
+	double elapsed_n(); // nanoseconds
+	double elapsed_u(); // microseconds
+	double elapsed_m(); // miliseconds
+	double elapsed_s(); // seconds
+	
+private:
+#ifdef __WIN32__
+	void run() {if (ret_func != 0) ret_func(data);}
+	
+	long int t_st, t_cur;
+#else
+	static void timer_event(sigval e);
+	
+	bool running;
+	int ti;
+	itimerspec spec;
+	timespec t_st, t_cur;
+	timer_t timer;
+	sigevent se;
+#endif
+	
+	void * data;
+	TimerEvent ret_func;
+	
+};
+
+PITime currentTime();
+PIDate currentDate();
+string time2string(const PITime & time, const string & format = "h:m:s");
+string date2string(const PIDate & date, const string & format = "d.m.y");
+
+#endif // PITIMER_H