version 4.0.0_alpha

in almost all methods removed timeouts in milliseconds, replaced to PISystemTime
PITimer rewrite, remove internal impl, now only thread implementation, API similar to PIThread
PITimer API no longer pass void*
PIPeer, PIConnection improved stability on reinit and exit
PISystemTime new methods
pisd now exit without hanging

libs/main/types/pisystemtime.h

@@ -194,6 +194,18 @@ public:
 	//! \~russian Возвращает нулевое ли время
 	bool isNull() const { return (seconds == 0) && (nanoseconds == 0); }
 
+	//! \~english Returns if time is not null
+	//! \~russian Возвращает не нулевое ли время
+	bool isNotNull() const { return !isNull(); }
+
+	//! \~english Returns if time is greater than 0
+	//! \~russian Возвращает больше ли 0 время
+	bool isPositive() const { return (seconds >= 0) && (nanoseconds >= 0); }
+
+	//! \~english Returns if time is lesser than 0
+	//! \~russian Возвращает меньше ли 0 время
+	bool isNegative() const { return (seconds < 0) || (nanoseconds < 0); }
+
 	//! \~english Returns time value in seconds
 	//! \~russian Возвращает значение времени в секундах
 	double toSeconds() const { return double(seconds) + nanoseconds / 1.e+9; }