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libs/Common/EventQueue.cpp

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+////////////////////////////////////////////////////////////////////
+// EventQueue.cpp
+//
+// Copyright 2007 cDc@seacave
+// Distributed under the Boost Software License, Version 1.0
+// (See http://www.boost.org/LICENSE_1_0.txt)
+
+#include "Common.h"
+#include "EventQueue.h"
+
+using namespace SEACAVE;
+
+
+// D E F I N E S ///////////////////////////////////////////////////
+
+
+// S T R U C T S ///////////////////////////////////////////////////
+
+/*-----------------------------------------------------------*
+ * EventQueue class implementation                           *
+ *-----------------------------------------------------------*/
+
+void EventQueue::Clear()
+{
+	m_cs.Clear();
+	m_sem.Clear();
+	m_events.Empty();
+}
+
+void EventQueue::AddEvent(Event* evt)
+{
+	Lock l(m_cs);
+	m_events.AddTail(evt);
+	m_sem.Signal();
+}
+void EventQueue::AddEventFirst(Event* evt)
+{
+	Lock l(m_cs);
+	m_events.AddHead(evt);
+	m_sem.Signal();
+}
+
+Event* EventQueue::GetEvent()
+{
+	m_sem.Wait();
+	Lock l(m_cs);
+	ASSERT(!m_events.IsEmpty());
+	return m_events.RemoveHead();
+}
+Event* EventQueue::GetEvent(uint32_t millis)
+{
+	if (!m_sem.Wait(millis))
+		return NULL;
+	Lock l(m_cs);
+	if (m_events.IsEmpty())
+		return NULL;
+	return m_events.RemoveHead();
+}
+Event* EventQueue::GetEventLast()
+{
+	m_sem.Wait();
+	Lock l(m_cs);
+	ASSERT(!m_events.IsEmpty());
+	return m_events.RemoveTail();
+}
+Event* EventQueue::GetEventLast(uint32_t millis)
+{
+	if (!m_sem.Wait(millis))
+		return NULL;
+	Lock l(m_cs);
+	if (m_events.IsEmpty())
+		return NULL;
+	return m_events.RemoveTail();
+}
+/*----------------------------------------------------------------*/
+
+bool EventQueue::IsEmpty() const
+{
+	Lock l(m_cs);
+	return m_events.IsEmpty();
+}
+
+uint_t EventQueue::GetSize() const
+{
+	Lock l(m_cs);
+	return m_events.GetSize();
+}
+/*----------------------------------------------------------------*/
+
+
+
+/*-----------------------------------------------------------*
+* EventThreadPool class implementation                      *
+*-----------------------------------------------------------*/
+
+void EventThreadPool::stop()
+{
+	ThreadPool::stop();
+	EventQueue::Clear();
+}
+/*----------------------------------------------------------------*/