PIThreadNotifier, rewrite PIObject::deleteLater()

tests for PIThreadNotifier and PIObject::deleteLater()

libs/main/thread/pithreadnotifier.cpp

@@ -0,0 +1,39 @@
+/*
+	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/>.
+*/
+
+#include "pithreadnotifier.h"
+
+
+PIThreadNotifier::PIThreadNotifier() : cnt(0) {}
+
+
+void PIThreadNotifier::wait() {
+	m.lock();
+	while (cnt == 0) v.wait(m);
+	cnt--;
+	m.unlock();
+}
+
+
+void PIThreadNotifier::notifyOnce() {
+	m.lock();
+	cnt++;
+	v.notifyAll();
+	m.unlock();
+}