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/core/pibase.h

@@ -558,6 +558,23 @@ inline uint piHash(const ldouble & v) {
 	return piHashData((const uchar *)&v, sizeof(v));
 }
 
+
+//! \~\brief
+//! \~english Zero "size" bytes by address "ptr".
+//! \~russian Зануляет "size" байт по адресу "ptr".
+inline void piZeroMemory(void * ptr, size_t size) {
+	memset(ptr, 0, size);
+}
+
+//! \~\brief
+//! \~english Zero variable "v" memory.
+//! \~russian Зануляет память переменной "v".
+template<typename T>
+inline void piZeroMemory(T & v) {
+	piZeroMemory(&v, sizeof(v));
+}
+
+
 //! \~\brief
 //! \~english Call \b delete on each "container" element.
 //! \~russian Вызывает \b delete на каждый элемент "container".