From 433827c2de1bde02b47b661e66c969fdad463838 Mon Sep 17 00:00:00 2001
From: Glenn Maynard <gmaynard@users.sourceforge.net>
Date: Fri, 15 Oct 2004 21:44:23 +0000
Subject: [PATCH] remove ProtAllocator hack

---
 stepmania/src/RageSoundManager.cpp | 27 -------------
 stepmania/src/RageSoundManager.h   | 63 +-----------------------------
 2 files changed, 1 insertion(+), 89 deletions(-)

diff --git a/stepmania/src/RageSoundManager.cpp b/stepmania/src/RageSoundManager.cpp
index 22612e78a3..acdbe10196 100644
--- a/stepmania/src/RageSoundManager.cpp
+++ b/stepmania/src/RageSoundManager.cpp
@@ -12,26 +12,6 @@
 #include "arch/arch.h"
 #include "arch/Sound/RageSoundDriver.h"
 
-#if defined(_MSC_VER) && _MSC_VER >= 1300 
-set<void *> g_ProtectedPages;
-void EnableWrites()
-{
-	DWORD ignore;
-	for( set<void *>::iterator it = g_ProtectedPages.begin(); it != g_ProtectedPages.end(); ++it )
-		VirtualProtect( *it, 4096, PAGE_READWRITE, &ignore );
-}
-
-void DisableWrites()
-{
-	DWORD ignore;
-	for( set<void *>::iterator it = g_ProtectedPages.begin(); it != g_ProtectedPages.end(); ++it )
-		VirtualProtect( *it, 4096, PAGE_READONLY, &ignore );
-}
-#else
-void EnableWrites() { }
-void DisableWrites() { }
-#endif
-
 /*
  * This mutex is locked before Update() deletes old sounds from owned_sounds.  Lock
  * this mutex if you want to ensure that sounds remain valid.  (Other threads may
@@ -56,7 +36,6 @@ RageSoundManager::RageSoundManager()
 {
 	pos_map_queue.reserve( 1024 );
 	MixVolume = 1.0f;
-	DisableWrites();
 }
 
 void RageSoundManager::Init( CString drivers )
@@ -79,8 +58,6 @@ RageSoundManager::~RageSoundManager()
 
 	/* Don't lock while deleting the driver (the decoder thread might deadlock). */
 	delete driver;
-	
-	EnableWrites(); /* for dtor */
 }
 
 void RageSoundManager::StartMixing( RageSoundBase *snd )
@@ -144,18 +121,14 @@ void RageSoundManager::Update(float delta)
 void RageSoundManager::RegisterSound( RageSound *p )
 {
 	g_SoundManMutex.Lock(); /* lock for access to all_sounds */
-	EnableWrites();
 	all_sounds.insert( p );
-	DisableWrites();
 	g_SoundManMutex.Unlock(); /* finished with all_sounds */
 }
 
 void RageSoundManager::UnregisterSound( RageSound *p )
 {
 	g_SoundManMutex.Lock(); /* lock for access to all_sounds */
-	EnableWrites();
 	all_sounds.erase( p );
-	DisableWrites();
 	g_SoundManMutex.Unlock(); /* finished with all_sounds */
 }
 
diff --git a/stepmania/src/RageSoundManager.h b/stepmania/src/RageSoundManager.h
index f918f3788f..4f71057840 100644
--- a/stepmania/src/RageSoundManager.h
+++ b/stepmania/src/RageSoundManager.h
@@ -10,67 +10,6 @@ class RageSoundBase;
 class RageSoundDriver;
 struct RageSoundParams;
 
-/* This is a temporary hack, to try to track down an obscure crash. */
-#if defined(_WINDOWS) && _MSC_VER >= 1300 
-#include <windows.h>
-
-extern set<void *> g_ProtectedPages;
-template<typename T>
-class ProtAllocator
-{
-public:
-    typedef T value_type;
-    typedef value_type* pointer;
-    typedef const value_type* const_pointer;
-    typedef value_type& reference;
-    typedef const value_type& const_reference;
-    typedef std::size_t size_type;
-    typedef std::ptrdiff_t difference_type;
-
-    template<typename U> struct rebind
-	{
-        typedef ProtAllocator<U> other;
-    };
-
-	explicit ProtAllocator() {}
-	~ProtAllocator() {}
-	ProtAllocator( ProtAllocator const & ) {}
-	template<typename U> ProtAllocator( ProtAllocator<U> const& ) {}
-
-	pointer address( reference r ) { return &r; }
-	const_pointer address( const_reference r ) { return &r; }
-
-	pointer allocate( size_type cnt, typename std::allocator<void>::const_pointer = 0 )
-	{ 
-		cnt *= sizeof (T);
-		void *p = VirtualAlloc( NULL, cnt, MEM_COMMIT, PAGE_READWRITE );
-		g_ProtectedPages.insert( p );
-
-		return reinterpret_cast<pointer>( p );
-	}
-	void deallocate( pointer p, size_type s )
-	{
-		VirtualFree( p, 0, MEM_RELEASE );
-		g_ProtectedPages.erase( p );
-	}
-
-	size_type max_size() const
-	{
-		return 2147483648 / sizeof(T);
-	}
-
-	void construct( pointer p, const T& t ) { new(p) T(t); }
-	void destroy( pointer p ) { p->~T(); }
-
-	bool operator==( ProtAllocator const& ) { return true; }
-	bool operator!=( ProtAllocator const& a ) { return !operator==(a); }
-};
-
-#else
-#define ProtAllocator allocator
-#endif
-
-
 class RageSoundManager
 {
 	/* Set of sounds that we've taken over (and are responsible for deleting
@@ -79,7 +18,7 @@ class RageSoundManager
 	set<RageSound *> playing_sounds;
 
 	/* A list of all sounds that currently exist. */
-	typedef set<RageSound *, less<RageSound*>, ProtAllocator<RageSound*> > all_sounds_type;
+	typedef set<RageSound *, less<RageSound*> > all_sounds_type;
 	all_sounds_type all_sounds;
 	
 	RageSoundDriver *driver;