+Unity Runtime codeHEADmaster

1 files changed, 70 insertions, 0 deletions

diff --git a/Runtime/Threads/Winapi/PlatformEvent.h b/Runtime/Threads/Winapi/PlatformEvent.h
new file mode 100644
index 0000000..1aa590d
--- /dev/null
+++ b/Runtime/Threads/Winapi/PlatformEvent.h
@@ -0,0 +1,70 @@
+#ifndef __PLATFORMEVENT_H
+#define __PLATFORMEVENT_H
+
+// Event synchronization object.
+
+#if SUPPORT_THREADS
+
+#include "Runtime/Utilities/NonCopyable.h"
+
+class Event : public NonCopyable
+{
+public:
+	explicit Event();
+	~Event();
+
+	void WaitForSignal();
+	void Signal();
+
+private:
+	HANDLE m_Event;
+};
+
+inline Event::Event()
+{
+#if UNITY_WINRT
+	m_Event = CreateEventExW(nullptr, nullptr, 0, 0);	// ?!-
+#else
+	m_Event = CreateEvent(NULL, FALSE, FALSE, NULL);
+#endif
+}
+
+inline Event::~Event()
+{
+	if (m_Event != NULL)
+		CloseHandle(m_Event);
+}
+
+inline void Event::WaitForSignal()
+{
+#if UNITY_WINRT
+	WaitForSingleObjectEx(m_Event, INFINITE, FALSE);	// ?!-
+#else
+	while (1)
+	{
+		DWORD result = WaitForSingleObjectEx(m_Event, INFINITE, TRUE);
+		switch (result)
+		{
+		case WAIT_OBJECT_0:
+			// We got the event
+			return;
+		case WAIT_IO_COMPLETION:
+			// Allow thread to run IO completion task
+			Sleep(1);
+			break;
+		default:
+			Assert (false);
+			break;
+		}
+	}
+#endif
+}
+
+inline void Event::Signal()
+{
+	SetEvent(m_Event);
+}
+
+#endif // SUPPORT_THREADS
+
+#endif // __PLATFORMEVENT_H