PIThreadNotifier, rewrite PIObject::deleteLater()

tests for PIThreadNotifier and PIObject::deleteLater()

libs/main/thread/pithreadnotifier.h

@@ -0,0 +1,52 @@
+/*! @file pithreadnotifier.h
+ * @brief Class for simply notify and wait in different threads
+*/
+/*
+	PIP - Platform Independent Primitives
+	Class for simply notify and wait in different threads
+	Andrey Bychkov work.a.b@yandex.ru
+
+	This program is free software: you can redistribute it and/or modify
+	it under the terms of the GNU Lesser General Public License as published by
+	the Free Software Foundation, either version 3 of the License, or
+	(at your option) any later version.
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU Lesser General Public License for more details.
+
+	You should have received a copy of the GNU Lesser General Public License
+	along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef PITHREADNOTIFIER_H
+#define PITHREADNOTIFIER_H
+
+#include "piconditionvar.h"
+
+
+class PIP_EXPORT PIThreadNotifier {
+public:
+	PIThreadNotifier();
+
+	//! Start waiting, return if other thread call \a notifyOnce().
+	//! If \a notifyOnce() has been called before, then returns immediately.
+	//! If notifyOnce() has been called "n" times, then returns immediately "n" times,
+	//! but only if wait in one thread.
+	//! If many threads waiting, then If notifyOnce() has been called "n" times,
+	//! All threads total returns "n" times in random sequence.
+	void wait();
+
+	//! Notify one waiting thread, wich waiting on \a wait() function.
+	//! If many threads waiting, then notify randomly one.
+	//! If call this "n" times, then notify any waiting threads totally "n" times.
+	void notifyOnce();
+
+private:
+	ullong cnt;
+	PIMutex m;
+	PIConditionVariable v;
+};
+
+#endif // PITHREADNOTIFIER_H