From 435ec1818a38334cd230a101dd6395fd4cd26cc5 Mon Sep 17 00:00:00 2001
From: Glenn Maynard <gmaynard@users.sourceforge.net>
Date: Tue, 19 Dec 2006 08:03:42 +0000
Subject: [PATCH] remove EnterTimeCriticalSection/ExitTimeCriticalSection

---
 stepmania/src/arch/ArchHooks/ArchHooks.h      |  8 --------
 .../src/arch/ArchHooks/ArchHooks_Win32.cpp    | 19 -------------------
 .../src/arch/ArchHooks/ArchHooks_Win32.h      |  4 ----
 3 files changed, 31 deletions(-)

diff --git a/stepmania/src/arch/ArchHooks/ArchHooks.h b/stepmania/src/arch/ArchHooks/ArchHooks.h
index 1d75104ee0..4140aa08d8 100644
--- a/stepmania/src/arch/ArchHooks/ArchHooks.h
+++ b/stepmania/src/arch/ArchHooks/ArchHooks.h
@@ -38,14 +38,6 @@ public:
 	 */
 	virtual bool CheckForMultipleInstances() { return false; }
 
-	/*
-	 * Call this to temporarily enter a high-priority or realtime scheduling (depending
-	 * on the implementation) mode.  This is used to improve timestamp accuracy.  Do as
-	 * little as possible in this mode; hanging in it might hang the system entirely.
-	 */
-	virtual void EnterTimeCriticalSection() { }
-	virtual void ExitTimeCriticalSection() { }
-
 	virtual void SetTime( tm newtime ) { }
 
 	virtual void BoostPriority() { }
diff --git a/stepmania/src/arch/ArchHooks/ArchHooks_Win32.cpp b/stepmania/src/arch/ArchHooks/ArchHooks_Win32.cpp
index b14a296679..e072d22b9d 100644
--- a/stepmania/src/arch/ArchHooks/ArchHooks_Win32.cpp
+++ b/stepmania/src/arch/ArchHooks/ArchHooks_Win32.cpp
@@ -17,7 +17,6 @@ static bool g_bIsMultipleInstance = false;
 
 ArchHooks_Win32::ArchHooks_Win32()
 {
-	TimeCritMutex = NULL;
 	HOOKS = this;
 
 	/* Disable critical errors, and handle them internally.  We never want the
@@ -27,8 +26,6 @@ ArchHooks_Win32::ArchHooks_Win32()
 	CrashHandler::CrashHandlerHandleArgs( g_argc, g_argv );
 	SetUnhandledExceptionFilter( CrashHandler::ExceptionHandler );
 
-	TimeCritMutex = new RageMutex("TimeCritMutex");
-
 	/* Windows boosts priority on keyboard input, among other things.  Disable that for
 	 * the main thread. */
 	SetThreadPriorityBoost( GetCurrentThread(), TRUE );
@@ -43,7 +40,6 @@ ArchHooks_Win32::ArchHooks_Win32()
 ArchHooks_Win32::~ArchHooks_Win32()
 {
 	CloseHandle( g_hInstanceMutex );
-	delete TimeCritMutex;
 }
 
 void ArchHooks_Win32::DumpDebugInfo()
@@ -119,21 +115,6 @@ void ArchHooks_Win32::RestartProgram()
 	Win32RestartProgram();
 }
 
-void ArchHooks_Win32::EnterTimeCriticalSection()
-{
-	TimeCritMutex->Lock();
-
-	OldThreadPriority = GetThreadPriority( GetCurrentThread() );
-	SetThreadPriority( GetCurrentThread(), THREAD_PRIORITY_TIME_CRITICAL );
-}
-
-void ArchHooks_Win32::ExitTimeCriticalSection()
-{
-	SetThreadPriority( GetCurrentThread(), OldThreadPriority );
-	OldThreadPriority = 0;
-	TimeCritMutex->Unlock();
-}
-
 void ArchHooks_Win32::SetTime( tm newtime )
 {
 	SYSTEMTIME st;
diff --git a/stepmania/src/arch/ArchHooks/ArchHooks_Win32.h b/stepmania/src/arch/ArchHooks/ArchHooks_Win32.h
index 1a84a5c546..77a32405ff 100644
--- a/stepmania/src/arch/ArchHooks/ArchHooks_Win32.h
+++ b/stepmania/src/arch/ArchHooks/ArchHooks_Win32.h
@@ -15,10 +15,6 @@ public:
 	RString GetMachineId() const;
 	bool CheckForMultipleInstances();
 
-	int OldThreadPriority;
-	RageMutex *TimeCritMutex;
-	void EnterTimeCriticalSection();
-	void ExitTimeCriticalSection();
 	void SetTime( tm newtime );
 
 	void BoostPriority();