version 4.5.0

PIThread::stopAndWait now returns bool
PIKbdListener on Linux now use piwaitevent_p and can immediately stop
new base method piZeroMemory, also migrate all "memset 0" to piZeroMemory

libs/main/types/pidatetime.cpp

@@ -324,7 +324,7 @@ PIString PIDateTime::toString(const PIString & format) const {
 
 time_t PIDateTime::toSecondSinceEpoch() const {
 	tm pt;
-	memset(&pt, 0, sizeof(pt));
+	piZeroMemory(pt);
 	pt.tm_sec  = seconds;
 	pt.tm_min  = minutes;
 	pt.tm_hour = hours;

libs/main/types/pitime.h

@@ -54,6 +54,14 @@ inline void piSleep(double secs) {
 	piUSleep(int(secs * 1000000.));
 } // on !Windows consider constant "usleep" offset
 
+//! \ingroup Types
+//! \brief
+//! \~english Precise sleep for "t" time
+//! \~russian Точно ожидает время "t"
+inline void piSleep(PISystemTime t) {
+	t.sleep();
+}
+
 //! \ingroup Types
 //! \~english Shortest available on current system sleep
 //! \~russian Наименее возможное для данной системы по длительности ожидание