merge changes for 4.0.1-release

9 files changed, 415 insertions, 267 deletions

diff --git a/indra/llplugin/CMakeLists.txt b/indra/llplugin/CMakeLists.txt
index 05fc12e338..8c4ddd524e 100644
--- a/indra/llplugin/CMakeLists.txt
+++ b/indra/llplugin/CMakeLists.txt
@@ -20,7 +20,6 @@ include_directories(
     ${LLRENDER_INCLUDE_DIRS}
     ${LLXML_INCLUDE_DIRS}
     ${LLWINDOW_INCLUDE_DIRS}
-    ${LLQTWEBKIT_INCLUDE_DIR}
     )
 include_directories(SYSTEM
     ${LLCOMMON_SYSTEM_INCLUDE_DIRS}
@@ -68,7 +67,7 @@ list(APPEND llplugin_SOURCE_FILES ${llplugin_HEADER_FILES})
 
 add_library (llplugin ${llplugin_SOURCE_FILES})
 
-##add_subdirectory(slplugin)
+add_subdirectory(slplugin)
 
 # Add tests
 if (LL_TESTS)
diff --git a/indra/llplugin/llpluginclassmedia.cpp b/indra/llplugin/llpluginclassmedia.cpp
index 4bfd0de81e..3d173d0459 100644
--- a/indra/llplugin/llpluginclassmedia.cpp
+++ b/indra/llplugin/llpluginclassmedia.cpp
@@ -1,4 +1,4 @@
-/** 
+/**
  * @file llpluginclassmedia.cpp
  * @brief LLPluginClassMedia handles a plugin which knows about the "media" message class.
  *
@@ -6,21 +6,21 @@
  * $LicenseInfo:firstyear=2008&license=viewerlgpl$
  * Second Life Viewer Source Code
  * Copyright (C) 2010, Linden Research, Inc.
- * 
+ *
  * This library 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;
  * version 2.1 of the License only.
- * 
+ *
  * This library 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 library; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
+ *
  * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
  * $/LicenseInfo$
  * @endcond
@@ -41,14 +41,13 @@ static int nextPowerOf2( int value )
 	{
 		next_power_of_2 <<= 1;
 	}
-	
+
 	return next_power_of_2;
 }
 
 LLPluginClassMedia::LLPluginClassMedia(LLPluginClassMediaOwner *owner)
 {
 	mOwner = owner;
-	mPlugin = NULL;
 	reset();
 
 	//debug use
@@ -63,19 +62,19 @@ LLPluginClassMedia::~LLPluginClassMedia()
 }
 
 bool LLPluginClassMedia::init(const std::string &launcher_filename, const std::string &plugin_dir, const std::string &plugin_filename, bool debug)
-{	
+{
 	LL_DEBUGS("Plugin") << "launcher: " << launcher_filename << LL_ENDL;
 	LL_DEBUGS("Plugin") << "dir: " << plugin_dir << LL_ENDL;
 	LL_DEBUGS("Plugin") << "plugin: " << plugin_filename << LL_ENDL;
-	
-	mPlugin = new LLPluginProcessParent(this);
+
+	mPlugin = LLPluginProcessParent::create(this);
 	mPlugin->setSleepTime(mSleepTime);
-	
+
 	// Queue up the media init message -- it will be sent after all the currently queued messages.
 	LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA, "init");
 	message.setValue("target", mTarget);
 	sendMessage(message);
-	
+
 	mPlugin->init(launcher_filename, plugin_dir, plugin_filename, debug);
 
 	return true;
@@ -84,10 +83,10 @@ bool LLPluginClassMedia::init(const std::string &launcher_filename, const std::s
 
 void LLPluginClassMedia::reset()
 {
-	if(mPlugin != NULL)
+	if(mPlugin)
 	{
-		delete mPlugin;
-		mPlugin = NULL;
+        mPlugin->requestShutdown();
+        mPlugin.reset();
 	}
 
 	mTextureParamsReceived = false;
@@ -115,7 +114,7 @@ void LLPluginClassMedia::reset()
 	mTextureHeight = 0;
 	mMediaWidth = 0;
 	mMediaHeight = 0;
-	mDirtyRect = LLRect::null;	
+	mDirtyRect = LLRect::null;
 	mAutoScaleMedia = false;
 	mRequestedVolume = 1.0f;
 	mPriority = PRIORITY_NORMAL;
@@ -132,7 +131,7 @@ void LLPluginClassMedia::reset()
 	mMediaName.clear();
 	mMediaDescription.clear();
 	mBackgroundColor = LLColor4(1.0f, 1.0f, 1.0f, 1.0f);
-	
+
 	// media_browser class
 	mNavigateURI.clear();
 	mNavigateResultCode = -1;
@@ -140,7 +139,7 @@ void LLPluginClassMedia::reset()
 	mHistoryBackAvailable = false;
 	mHistoryForwardAvailable = false;
 	mStatusText.clear();
-	mProgressPercent = 0;	
+	mProgressPercent = 0;
 	mClickURL.clear();
 	mClickNavType.clear();
 	mClickTarget.clear();
@@ -148,7 +147,7 @@ void LLPluginClassMedia::reset()
 	mStatusCode = 0;
 
 	mClickEnforceTarget = false;
-	
+
 	// media_time class
 	mCurrentTime = 0.0f;
 	mDuration = 0.0f;
@@ -162,7 +161,7 @@ void LLPluginClassMedia::idle(void)
 	{
 		mPlugin->idle();
 	}
-	
+
 	if((mMediaWidth == -1) || (!mTextureParamsReceived) || (mPlugin == NULL) || (mPlugin->isBlocked()) || (mOwner == NULL))
 	{
 		// Can't process a size change at this time
@@ -179,7 +178,7 @@ void LLPluginClassMedia::idle(void)
 		else
 		{
 			mRequestedTextureWidth = mRequestedMediaWidth;
-			
+
 			if(mPadding > 1)
 			{
 				// Pad up to a multiple of the specified number of bytes per row
@@ -189,7 +188,7 @@ void LLPluginClassMedia::idle(void)
 				{
 					rowbytes += mPadding - pad;
 				}
-				
+
 				if(rowbytes % mRequestedTextureDepth == 0)
 				{
 					mRequestedTextureWidth = rowbytes / mRequestedTextureDepth;
@@ -201,7 +200,7 @@ void LLPluginClassMedia::idle(void)
 			}
 		}
 
-		
+
 		// Size change has been requested but not initiated yet.
 		size_t newsize = mRequestedTextureWidth * mRequestedTextureHeight * mRequestedTextureDepth;
 
@@ -216,22 +215,22 @@ void LLPluginClassMedia::idle(void)
 				mPlugin->removeSharedMemory(mTextureSharedMemoryName);
 				mTextureSharedMemoryName.clear();
 			}
-			
+
 			mTextureSharedMemorySize = newsize;
 			mTextureSharedMemoryName = mPlugin->addSharedMemory(mTextureSharedMemorySize);
 			if(!mTextureSharedMemoryName.empty())
 			{
 				void *addr = mPlugin->getSharedMemoryAddress(mTextureSharedMemoryName);
-				
+
 				// clear texture memory to avoid random screen visual fuzz from uninitialized texture data
 				memset( addr, 0x00, newsize );
-				
+
 				// We could do this to force an update, but textureValid() will still be returning false until the first roundtrip to the plugin,
 				// so it may not be worthwhile.
 				// mDirtyRect.setOriginAndSize(0, 0, mRequestedMediaWidth, mRequestedMediaHeight);
 			}
 		}
-		
+
 		// This is our local indicator that a change is in progress.
 		mTextureWidth = -1;
 		mTextureHeight = -1;
@@ -240,7 +239,7 @@ void LLPluginClassMedia::idle(void)
 
 		// This invalidates any existing dirty rect.
 		resetDirty();
-		
+
 		// Send a size change message to the plugin
 		{
 			LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA, "size_change");
@@ -254,11 +253,11 @@ void LLPluginClassMedia::idle(void)
 			message.setValueReal("background_b", mBackgroundColor.mV[VZ]);
 			message.setValueReal("background_a", mBackgroundColor.mV[VW]);
 			mPlugin->sendMessage(message);	// DO NOT just use sendMessage() here -- we want this to jump ahead of the queue.
-			
+
 			LL_DEBUGS("Plugin") << "Sending size_change" << LL_ENDL;
 		}
 	}
-	
+
 	if(mPlugin && mPlugin->isRunning())
 	{
 		// Send queued messages
@@ -324,11 +323,11 @@ void LLPluginClassMedia::setSizeInternal(void)
 		mRequestedMediaWidth = mDefaultMediaWidth;
 		mRequestedMediaHeight = mDefaultMediaHeight;
 	}
-	
+
 	// Save these for size/interest calculations
 	mFullMediaWidth = mRequestedMediaWidth;
 	mFullMediaHeight = mRequestedMediaHeight;
-	
+
 	if(mAllowDownsample)
 	{
 		switch(mPriority)
@@ -342,19 +341,19 @@ void LLPluginClassMedia::setSizeInternal(void)
 					mRequestedMediaHeight /= 2;
 				}
 			break;
-			
+
 			default:
 				// Don't adjust texture size
 			break;
 		}
 	}
-	
+
 	if(mAutoScaleMedia)
 	{
 		mRequestedMediaWidth = nextPowerOf2(mRequestedMediaWidth);
 		mRequestedMediaHeight = nextPowerOf2(mRequestedMediaHeight);
 	}
-	
+
 	if(mRequestedMediaWidth > 2048)
 		mRequestedMediaWidth = 2048;
 
@@ -382,9 +381,9 @@ bool LLPluginClassMedia::textureValid(void)
 		mRequestedMediaWidth != mMediaWidth ||
 		mRequestedMediaHeight != mMediaHeight ||
 		getBitsData() == NULL
-	)	
+	)
 		return false;
-	
+
 	return true;
 }
 
@@ -408,8 +407,8 @@ void LLPluginClassMedia::resetDirty(void)
 std::string LLPluginClassMedia::translateModifiers(MASK modifiers)
 {
 	std::string result;
-	
-	
+
+
 	if(modifiers & MASK_CONTROL)
 	{
 		result += "control|";
@@ -432,7 +431,7 @@ std::string LLPluginClassMedia::translateModifiers(MASK modifiers)
 	{
 		result += "meta|";
 	}
-*/	
+*/
 	return result;
 }
 
@@ -540,11 +539,11 @@ void LLPluginClassMedia::mouseEvent(EMouseEventType type, int button, int x, int
 			// Don't spam unnecessary mouse move events.
 			return;
 		}
-		
+
 		mLastMouseX = x;
 		mLastMouseY = y;
 	}
-	
+
 	LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA, "mouse_event");
 	std::string temp;
 	switch(type)
@@ -559,7 +558,7 @@ void LLPluginClassMedia::mouseEvent(EMouseEventType type, int button, int x, int
 	message.setValueS32("button", button);
 
 	message.setValueS32("x", x);
-	
+
 	// Incoming coordinates are OpenGL-style ((0,0) = lower left), so flip them here if the plugin has requested it.
 	if(!mRequestedTextureCoordsOpenGL)
 	{
@@ -569,42 +568,42 @@ void LLPluginClassMedia::mouseEvent(EMouseEventType type, int button, int x, int
 	message.setValueS32("y", y);
 
 	message.setValue("modifiers", translateModifiers(modifiers));
-	
+
 	sendMessage(message);
 }
 
 bool LLPluginClassMedia::keyEvent(EKeyEventType type, int key_code, MASK modifiers, LLSD native_key_data)
 {
 	bool result = true;
-	
+
 	// FIXME:
 	// HACK: we don't have an easy way to tell if the plugin is going to handle a particular keycode.
 	// For now, return false for the ones the webkit plugin won't handle properly.
-	
+
 	switch(key_code)
 	{
-		case KEY_BACKSPACE:		
-		case KEY_TAB:			
-		case KEY_RETURN:		
-		case KEY_PAD_RETURN:	
-		case KEY_SHIFT:			
-		case KEY_CONTROL:		
-		case KEY_ALT:			
-		case KEY_CAPSLOCK:		
-		case KEY_ESCAPE:		
-		case KEY_PAGE_UP:		
-		case KEY_PAGE_DOWN:		
-		case KEY_END:			
-		case KEY_HOME:			
-		case KEY_LEFT:			
-		case KEY_UP:			
-		case KEY_RIGHT:			
-		case KEY_DOWN:			
-		case KEY_INSERT:		
+		case KEY_BACKSPACE:
+		case KEY_TAB:
+		case KEY_RETURN:
+		case KEY_PAD_RETURN:
+		case KEY_SHIFT:
+		case KEY_CONTROL:
+		case KEY_ALT:
+		case KEY_CAPSLOCK:
+		case KEY_ESCAPE:
+		case KEY_PAGE_UP:
+		case KEY_PAGE_DOWN:
+		case KEY_END:
+		case KEY_HOME:
+		case KEY_LEFT:
+		case KEY_UP:
+		case KEY_RIGHT:
+		case KEY_DOWN:
+		case KEY_INSERT:
 		case KEY_DELETE:
-			// These will be handled		
+			// These will be handled
 		break;
-		
+
 		default:
 			// regular ASCII characters will also be handled
 			if(key_code >= KEY_SPECIAL)
@@ -615,7 +614,7 @@ bool LLPluginClassMedia::keyEvent(EKeyEventType type, int key_code, MASK modifie
 		break;
 	}
 
-#if LL_DARWIN	
+#if LL_DARWIN
 	if(modifiers & MASK_ALT)
 	{
 		// Option-key modified characters should be handled by the unicode input path instead of this one.
@@ -634,15 +633,15 @@ bool LLPluginClassMedia::keyEvent(EKeyEventType type, int key_code, MASK modifie
 			case KEY_EVENT_REPEAT:			temp = "repeat";		break;
 		}
 		message.setValue("event", temp);
-		
+
 		message.setValueS32("key", key_code);
 
 		message.setValue("modifiers", translateModifiers(modifiers));
 		message.setValueLLSD("native_key_data", native_key_data);
-		
+
 		sendMessage(message);
 	}
-		
+
 	return result;
 }
 
@@ -653,10 +652,10 @@ void LLPluginClassMedia::scrollEvent(int x, int y, MASK modifiers)
 	message.setValueS32("x", x);
 	message.setValueS32("y", y);
 	message.setValue("modifiers", translateModifiers(modifiers));
-	
+
 	sendMessage(message);
 }
-	
+
 bool LLPluginClassMedia::textInput(const std::string &text, MASK modifiers, LLSD native_key_data)
 {
 	LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA, "text_event");
@@ -664,18 +663,33 @@ bool LLPluginClassMedia::textInput(const std::string &text, MASK modifiers, LLSD
 	message.setValue("text", text);
 	message.setValue("modifiers", translateModifiers(modifiers));
 	message.setValueLLSD("native_key_data", native_key_data);
-	
+
 	sendMessage(message);
-	
+
 	return true;
 }
 
+void LLPluginClassMedia::setCookie(std::string uri, std::string name, std::string value, std::string domain, std::string path, bool httponly, bool secure)
+{
+	LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA, "set_cookie");
+
+	message.setValue("uri", uri);
+	message.setValue("name", name);
+	message.setValue("value", value);
+	message.setValue("domain", domain);
+	message.setValue("path", path);
+	message.setValueBoolean("httponly", httponly);
+	message.setValueBoolean("secure", secure);
+
+	sendMessage(message);
+}
+
 void LLPluginClassMedia::loadURI(const std::string &uri)
 {
 	LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA, "load_uri");
 
 	message.setValue("uri", uri);
-	
+
 	sendMessage(message);
 }
 
@@ -692,7 +706,7 @@ const char* LLPluginClassMedia::priorityToString(EPriority priority)
 		case PRIORITY_NORMAL:		result = "normal";		break;
 		case PRIORITY_HIGH:			result = "high";		break;
 	}
-	
+
 	return result;
 }
 
@@ -703,44 +717,44 @@ void LLPluginClassMedia::setPriority(EPriority priority)
 		mPriority = priority;
 
 		LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA, "set_priority");
-		
+
 		std::string priority_string = priorityToString(priority);
 		switch(priority)
 		{
-			case PRIORITY_UNLOADED:	
+			case PRIORITY_UNLOADED:
 				mSleepTime = 1.0f;
 			break;
-			case PRIORITY_STOPPED:	
+			case PRIORITY_STOPPED:
 				mSleepTime = 1.0f;
 			break;
-			case PRIORITY_HIDDEN:	
+			case PRIORITY_HIDDEN:
 				mSleepTime = 1.0f;
 			break;
 			case PRIORITY_SLIDESHOW:
 				mSleepTime = 1.0f;
 			break;
-			case PRIORITY_LOW:		
+			case PRIORITY_LOW:
 				mSleepTime = 1.0f / 25.0f;
 			break;
-			case PRIORITY_NORMAL:	
+			case PRIORITY_NORMAL:
 				mSleepTime = 1.0f / 50.0f;
 			break;
-			case PRIORITY_HIGH:		
+			case PRIORITY_HIGH:
 				mSleepTime = 1.0f / 100.0f;
 			break;
 		}
-		
+
 		message.setValue("priority", priority_string);
 
 		sendMessage(message);
-		
+
 		if(mPlugin)
 		{
 			mPlugin->setSleepTime(mSleepTime);
 		}
-		
+
 		LL_DEBUGS("PluginPriority") << this << ": setting priority to " << priority_string << LL_ENDL;
-		
+
 		// This may affect the calculated size, so recalculate it here.
 		setSizeInternal();
 	}
@@ -761,12 +775,12 @@ void LLPluginClassMedia::setLowPrioritySizeLimit(int size)
 F64 LLPluginClassMedia::getCPUUsage()
 {
 	F64 result = 0.0f;
-	
+
 	if(mPlugin)
 	{
 		result = mPlugin->getCPUUsage();
 	}
-	
+
 	return result;
 }
 
@@ -814,10 +828,11 @@ void LLPluginClassMedia::paste()
 	sendMessage(message);
 }
 
-void LLPluginClassMedia::setUserDataPath(const std::string &user_data_path)
+void LLPluginClassMedia::setUserDataPath(const std::string &user_data_path_cache, const std::string &user_data_path_cookies)
 {
 	LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA, "set_user_data_path");
-	message.setValue("path", user_data_path);
+	message.setValue("cache_path", user_data_path_cache);
+	message.setValue("cookies_path", user_data_path_cookies);
 	sendMessage(message);
 }
 
@@ -830,14 +845,14 @@ void LLPluginClassMedia::setLanguageCode(const std::string &language_code)
 
 void LLPluginClassMedia::setPluginsEnabled(const bool enabled)
 {
-	LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA, "plugins_enabled");
+	LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA_BROWSER, "plugins_enabled");
 	message.setValueBoolean("enable", enabled);
 	sendMessage(message);
 }
 
 void LLPluginClassMedia::setJavascriptEnabled(const bool enabled)
 {
-	LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA, "javascript_enabled");
+	LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA_BROWSER, "javascript_enabled");
 	message.setValueBoolean("enable", enabled);
 	sendMessage(message);
 }
@@ -855,11 +870,11 @@ void LLPluginClassMedia::setTarget(const std::string &target)
 	mTarget = target;
 }
 
-/* virtual */ 
+/* virtual */
 void LLPluginClassMedia::receivePluginMessage(const LLPluginMessage &message)
 {
 	std::string message_class = message.getClass();
-	
+
 	if(message_class == LLPLUGIN_MESSAGE_CLASS_MEDIA)
 	{
 		std::string message_name = message.getName();
@@ -870,21 +885,21 @@ void LLPluginClassMedia::receivePluginMessage(const LLPluginMessage &message)
 			mRequestedTextureFormat = message.getValueU32("format");
 			mRequestedTextureType = message.getValueU32("type");
 			mRequestedTextureSwapBytes = message.getValueBoolean("swap_bytes");
-			mRequestedTextureCoordsOpenGL = message.getValueBoolean("coords_opengl");			
-			
+			mRequestedTextureCoordsOpenGL = message.getValueBoolean("coords_opengl");
+
 			// These two are optional, and will default to 0 if they're not specified.
 			mDefaultMediaWidth = message.getValueS32("default_width");
 			mDefaultMediaHeight = message.getValueS32("default_height");
-			
+
 			mAllowDownsample = message.getValueBoolean("allow_downsample");
 			mPadding = message.getValueS32("padding");
 
 			setSizeInternal();
-			
+
 			mTextureParamsReceived = true;
 		}
 		else if(message_name == "updated")
-		{			
+		{
 			if(message.hasValue("left"))
 			{
 				LLRect newDirtyRect;
@@ -892,7 +907,7 @@ void LLPluginClassMedia::receivePluginMessage(const LLPluginMessage &message)
 				newDirtyRect.mTop = message.getValueS32("top");
 				newDirtyRect.mRight = message.getValueS32("right");
 				newDirtyRect.mBottom = message.getValueS32("bottom");
-							
+
 				// The plugin is likely to have top and bottom switched, due to vertical flip and OpenGL coordinate confusion.
 				// If they're backwards, swap them.
 				if(newDirtyRect.mTop < newDirtyRect.mBottom)
@@ -901,7 +916,7 @@ void LLPluginClassMedia::receivePluginMessage(const LLPluginMessage &message)
 					newDirtyRect.mTop = newDirtyRect.mBottom;
 					newDirtyRect.mBottom = temp;
 				}
-				
+
 				if(mDirtyRect.isEmpty())
 				{
 					mDirtyRect = newDirtyRect;
@@ -911,7 +926,7 @@ void LLPluginClassMedia::receivePluginMessage(const LLPluginMessage &message)
 					mDirtyRect.unionWith(newDirtyRect);
 				}
 
-				LL_DEBUGS("Plugin") << "adjusted incoming rect is: (" 
+				LL_DEBUGS("Plugin") << "adjusted incoming rect is: ("
 					<< newDirtyRect.mLeft << ", "
 					<< newDirtyRect.mTop << ", "
 					<< newDirtyRect.mRight << ", "
@@ -921,10 +936,10 @@ void LLPluginClassMedia::receivePluginMessage(const LLPluginMessage &message)
 					<< mDirtyRect.mRight << ", "
 					<< mDirtyRect.mBottom << ")"
 					<< LL_ENDL;
-				
+
 				mediaEvent(LLPluginClassMediaOwner::MEDIA_EVENT_CONTENT_UPDATED);
-			}			
-			
+			}
+
 
 			bool time_duration_updated = false;
 			int previous_percent = mProgressPercent;
@@ -944,7 +959,7 @@ void LLPluginClassMedia::receivePluginMessage(const LLPluginMessage &message)
 			{
 				mCurrentRate = message.getValueReal("current_rate");
 			}
-			
+
 			if(message.hasValue("loaded_duration"))
 			{
 				mLoadedDuration = message.getValueReal("loaded_duration");
@@ -955,7 +970,7 @@ void LLPluginClassMedia::receivePluginMessage(const LLPluginMessage &message)
 				// If the message doesn't contain a loaded_duration param, assume it's equal to duration
 				mLoadedDuration = mDuration;
 			}
-			
+
 			// Calculate a percentage based on the loaded duration and total duration.
 			if(mDuration != 0.0f)	// Don't divide by zero.
 			{
@@ -966,7 +981,7 @@ void LLPluginClassMedia::receivePluginMessage(const LLPluginMessage &message)
 			{
 				mediaEvent(LLPluginClassMediaOwner::MEDIA_EVENT_TIME_DURATION_UPDATED);
 			}
-			
+
 			if(previous_percent != mProgressPercent)
 			{
 				mediaEvent(LLPluginClassMediaOwner::MEDIA_EVENT_PROGRESS_UPDATED);
@@ -975,9 +990,9 @@ void LLPluginClassMedia::receivePluginMessage(const LLPluginMessage &message)
 		else if(message_name == "media_status")
 		{
 			std::string status = message.getValue("status");
-			
+
 			LL_DEBUGS("Plugin") << "Status changed to: " << status << LL_ENDL;
-			
+
 			if(status == "loading")
 			{
 				mStatus = LLPluginClassMediaOwner::MEDIA_LOADING;
@@ -1017,24 +1032,24 @@ void LLPluginClassMedia::receivePluginMessage(const LLPluginMessage &message)
 			// TODO: check that name matches?
 			mNaturalMediaWidth = width;
 			mNaturalMediaHeight = height;
-			
+
 			setSizeInternal();
 		}
 		else if(message_name == "size_change_response")
 		{
 			std::string name = message.getValue("name");
-			
+
 			// TODO: check that name matches?
-			
+
 			mTextureWidth = message.getValueS32("texture_width");
 			mTextureHeight = message.getValueS32("texture_height");
 			mMediaWidth = message.getValueS32("width");
 			mMediaHeight = message.getValueS32("height");
-			
+
 			// This invalidates any existing dirty rect.
 			resetDirty();
-			
-			// TODO: should we verify that the plugin sent back the right values?  
+
+			// TODO: should we verify that the plugin sent back the right values?
 			// Two size changes in a row may cause them to not match, due to queueing, etc.
 
 			mediaEvent(LLPluginClassMediaOwner::MEDIA_EVENT_SIZE_CHANGED);
@@ -1075,6 +1090,11 @@ void LLPluginClassMedia::receivePluginMessage(const LLPluginMessage &message)
 			mAuthRealm = message.getValue("realm");
 			mediaEvent(LLPluginClassMediaOwner::MEDIA_EVENT_AUTH_REQUEST);
 		}
+		else if (message_name == "file_download")
+		{
+			mFileDownloadFilename = message.getValue("filename");
+			mediaEvent(LLPluginClassMediaOwner::MEDIA_EVENT_FILE_DOWNLOAD);
+		}
 		else if(message_name == "debug_message")
 		{
 			mDebugMessageText = message.getValue("message_text");
@@ -1101,7 +1121,7 @@ void LLPluginClassMedia::receivePluginMessage(const LLPluginMessage &message)
 			mNavigateResultString = message.getValue("result_string");
 			mHistoryBackAvailable = message.getValueBoolean("history_back_available");
 			mHistoryForwardAvailable = message.getValueBoolean("history_forward_available");
-			
+
 			mediaEvent(LLPluginClassMediaOwner::MEDIA_EVENT_NAVIGATE_COMPLETE);
 		}
 		else if(message_name == "progress")
@@ -1156,7 +1176,7 @@ void LLPluginClassMedia::receivePluginMessage(const LLPluginMessage &message)
 			mGeometryY = message.getValueS32("y");
 			mGeometryWidth = message.getValueS32("width");
 			mGeometryHeight = message.getValueS32("height");
-				
+
 			mediaEvent(LLPluginClassMediaOwner::MEDIA_EVENT_GEOMETRY_CHANGE);
 		}
 		else if(message_name == "link_hovered")
@@ -1165,7 +1185,7 @@ void LLPluginClassMedia::receivePluginMessage(const LLPluginMessage &message)
 			mHoverLink = message.getValue("link");
 			mHoverText = message.getValue("title");
 			// message.getValue("text");
-				
+
 			mediaEvent(LLPluginClassMediaOwner::MEDIA_EVENT_LINK_HOVERED);
 		}
 		else
@@ -1181,7 +1201,7 @@ void LLPluginClassMedia::receivePluginMessage(const LLPluginMessage &message)
 //		if(message_name == "message_name")
 //		{
 //		}
-//		else 
+//		else
 		{
 			LL_WARNS("Plugin") << "Unknown " << message_name << " class message: " << message_name << LL_ENDL;
 		}
@@ -1189,13 +1209,13 @@ void LLPluginClassMedia::receivePluginMessage(const LLPluginMessage &message)
 
 }
 
-/* virtual */ 
+/* virtual */
 void LLPluginClassMedia::pluginLaunchFailed()
 {
 	mediaEvent(LLPluginClassMediaOwner::MEDIA_EVENT_PLUGIN_FAILED_LAUNCH);
 }
 
-/* virtual */ 
+/* virtual */
 void LLPluginClassMedia::pluginDied()
 {
 	mediaEvent(LLPluginClassMediaOwner::MEDIA_EVENT_PLUGIN_FAILED);
@@ -1235,7 +1255,7 @@ void LLPluginClassMedia::focus(bool focused)
 	LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA_BROWSER, "focus");
 
 	message.setValueBoolean("focused", focused);
-	
+
 	sendMessage(message);
 }
 
@@ -1262,7 +1282,7 @@ void LLPluginClassMedia::clear_cookies()
 void LLPluginClassMedia::set_cookies(const std::string &cookies)
 {
 	LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA_BROWSER, "set_cookies");
-	message.setValue("cookies", cookies);	
+	message.setValue("cookies", cookies);
 	sendMessage(message);
 }
 
@@ -1295,7 +1315,7 @@ void LLPluginClassMedia::browse_reload(bool ignore_cache)
 	LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA_BROWSER, "browse_reload");
 
 	message.setValueBoolean("ignore_cache", ignore_cache);
-	
+
 	sendMessage(message);
 }
 
@@ -1415,7 +1435,7 @@ void LLPluginClassMedia::seek(float time)
 	LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA_TIME, "seek");
 
 	message.setValueReal("time", time);
-	
+
 	sendMessage(message);
 }
 
@@ -1433,11 +1453,11 @@ void LLPluginClassMedia::setVolume(float volume)
 	if(volume != mRequestedVolume)
 	{
 		mRequestedVolume = volume;
-		
+
 		LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA_TIME, "set_volume");
 
 		message.setValueReal("volume", volume);
-		
+
 		sendMessage(message);
 	}
 }
@@ -1456,4 +1476,3 @@ void LLPluginClassMedia::initializeUrlHistory(const LLSD& url_history)
 
 	LL_DEBUGS("Plugin") << "Sending history" << LL_ENDL;
 }
-
diff --git a/indra/llplugin/llpluginclassmedia.h b/indra/llplugin/llpluginclassmedia.h
index 96d577f43c..fc27b7bea3 100644
--- a/indra/llplugin/llpluginclassmedia.h
+++ b/indra/llplugin/llpluginclassmedia.h
@@ -133,6 +133,8 @@ public:
 	// Text may be unicode (utf8 encoded)
 	bool textInput(const std::string &text, MASK modifiers, LLSD native_key_data);
 	
+	void setCookie(std::string uri, std::string name, std::string value, std::string domain, std::string path, bool httponly, bool secure);
+
 	void loadURI(const std::string &uri);
 	
 	// "Loading" means uninitialized or any state prior to fully running (processing commands)
@@ -191,7 +193,7 @@ public:
 	bool	canPaste() const { return mCanPaste; };
 	
 	// These can be called before init(), and they will be queued and sent before the media init message.
-	void	setUserDataPath(const std::string &user_data_path);
+	void	setUserDataPath(const std::string &user_data_path_cache, const std::string &user_data_path_cookies);
 	void	setLanguageCode(const std::string &language_code);
 	void	setPluginsEnabled(const bool enabled);
 	void	setJavascriptEnabled(const bool enabled);
@@ -277,6 +279,10 @@ public:
 	std::string	getHoverText() const { return mHoverText; };
 	std::string	getHoverLink() const { return mHoverLink; };
 	
+	// these are valid during MEDIA_EVENT_LINK_HOVERED 
+	std::string getFileDownloadFilename() const { return mFileDownloadFilename; }
+
+
 	const std::string& getMediaName() const { return mMediaName; };
 	std::string getMediaDescription() const { return mMediaDescription; };
 
@@ -372,7 +378,7 @@ protected:
 	int			mPadding;
 	
 	
-	LLPluginProcessParent *mPlugin;
+	LLPluginProcessParent::ptr_t mPlugin;
 	
 	LLRect mDirtyRect;
 	
@@ -424,6 +430,7 @@ protected:
 	std::string		mAuthRealm;
 	std::string		mHoverText;
 	std::string		mHoverLink;
+	std::string     mFileDownloadFilename;
 	
 	/////////////////////////////////////////
 	// media_time class
diff --git a/indra/llplugin/llpluginclassmediaowner.h b/indra/llplugin/llpluginclassmediaowner.h
index 2f3edba7f3..391c23d883 100644
--- a/indra/llplugin/llpluginclassmediaowner.h
+++ b/indra/llplugin/llpluginclassmediaowner.h
@@ -64,6 +64,8 @@ public:
 
 		MEDIA_EVENT_AUTH_REQUEST,			// The plugin wants to display an auth dialog
 
+		MEDIA_EVENT_FILE_DOWNLOAD,			// the plugin wants to download a file
+
 		MEDIA_EVENT_DEBUG_MESSAGE,			// plugin sending back debug information for host to process
 
 		MEDIA_EVENT_LINK_HOVERED			// Got a "link hovered" event from the plugin
diff --git a/indra/llplugin/llpluginprocesschild.cpp b/indra/llplugin/llpluginprocesschild.cpp
index f8a282184e..be80d38305 100644
--- a/indra/llplugin/llpluginprocesschild.cpp
+++ b/indra/llplugin/llpluginprocesschild.cpp
@@ -33,6 +33,7 @@
 #include "llpluginmessagepipe.h"
 #include "llpluginmessageclasses.h"
 
+static const F32 GOODBYE_SECONDS = 20.0f;
 static const F32 HEARTBEAT_SECONDS = 1.0f;
 static const F32 PLUGIN_IDLE_SECONDS = 1.0f / 100.0f;  // Each call to idle will give the plugin this much time.
 
@@ -194,33 +195,43 @@ void LLPluginProcessChild::idle(void)
 					}
 				}
 				// receivePluginMessage will transition to STATE_UNLOADING
-			break;
+			    break;
+
+            case STATE_SHUTDOWNREQ:
+                if (mInstance != NULL)
+                {
+                    sendMessageToPlugin(LLPluginMessage("base", "cleanup"));
+                    delete mInstance;
+                    mInstance = NULL;
+                }
+                setState(STATE_UNLOADING);
+                mWaitGoodbye.setTimerExpirySec(GOODBYE_SECONDS);
+                break;
 
 			case STATE_UNLOADING:
-				if(mInstance != NULL)
-				{
-					sendMessageToPlugin(LLPluginMessage("base", "cleanup"));
-					delete mInstance;
-					mInstance = NULL;
-				}
-				setState(STATE_UNLOADED);
-			break;
+                // waiting for goodbye from plugin.
+                if (mWaitGoodbye.hasExpired())
+                {
+                    LL_WARNS() << "Wait for goodbye expired.  Advancing to UNLOADED" << LL_ENDL;
+                    setState(STATE_UNLOADED);
+                }
+			    break;
 			
 			case STATE_UNLOADED:
 				killSockets();
 				setState(STATE_DONE);
-			break;
+			    break;
 
 			case STATE_ERROR:
 				// Close the socket to the launcher
 				killSockets();				
 				// TODO: Where do we go from here?  Just exit()?
 				setState(STATE_DONE);
-			break;
+			    break;
 			
 			case STATE_DONE:
 				// just sit here.
-			break;
+			    break;
 		}
 	
 	} while (idle_again);
@@ -350,6 +361,10 @@ void LLPluginProcessChild::receiveMessageRaw(const std::string &message)
 				mPluginFile = parsed.getValue("file");
 				mPluginDir = parsed.getValue("dir");
 			}
+            else if (message_name == "shutdown_plugin")
+            {
+                setState(STATE_SHUTDOWNREQ);
+            }
 			else if(message_name == "shm_add")
 			{
 				std::string name = parsed.getValue("name");
@@ -495,6 +510,10 @@ void LLPluginProcessChild::receivePluginMessage(const std::string &message)
 				// Let the parent know it's loaded and initialized.
 				sendMessageToParent(new_message);
 			}
+            else if (message_name == "goodbye")
+            {
+                setState(STATE_UNLOADED);
+            }
 			else if(message_name == "shm_remove_response")
 			{
 				// Don't pass this message up to the parent
diff --git a/indra/llplugin/llpluginprocesschild.h b/indra/llplugin/llpluginprocesschild.h
index 531422e792..b916cc9528 100644
--- a/indra/llplugin/llpluginprocesschild.h
+++ b/indra/llplugin/llpluginprocesschild.h
@@ -80,6 +80,7 @@ private:
 		STATE_PLUGIN_LOADED,		// plugin library has been loaded
 		STATE_PLUGIN_INITIALIZING,	// plugin is processing init message
 		STATE_RUNNING,				// steady state (processing messages)
+        STATE_SHUTDOWNREQ,          // Parent has requested a shutdown.
 		STATE_UNLOADING,			// plugin has sent shutdown_response and needs to be unloaded
 		STATE_UNLOADED,				// plugin has been unloaded
 		STATE_ERROR,				// generic bailout state
@@ -101,12 +102,12 @@ private:
 	sharedMemoryRegionsType mSharedMemoryRegions;
 	
 	LLTimer mHeartbeat;
-	F64		mSleepTime;
-	F64		mCPUElapsed;
+    F64		mSleepTime;
+    F64		mCPUElapsed;
 	bool	mBlockingRequest;
 	bool	mBlockingResponseReceived;
 	std::queue<std::string> mMessageQueue;
-	
+    LLTimer mWaitGoodbye;
 	void deliverQueuedMessages();
 	
 };
diff --git a/indra/llplugin/llpluginprocessparent.cpp b/indra/llplugin/llpluginprocessparent.cpp
index b5a2588e1e..0a8e58ac90 100644
--- a/indra/llplugin/llpluginprocessparent.cpp
+++ b/indra/llplugin/llpluginprocessparent.cpp
@@ -46,7 +46,7 @@ bool LLPluginProcessParent::sUseReadThread = false;
 apr_pollset_t *LLPluginProcessParent::sPollSet = NULL;
 bool LLPluginProcessParent::sPollsetNeedsRebuild = false;
 LLMutex *LLPluginProcessParent::sInstancesMutex;
-std::list<LLPluginProcessParent*> LLPluginProcessParent::sInstances;
+LLPluginProcessParent::mapInstances_t LLPluginProcessParent::sInstances;
 LLThread *LLPluginProcessParent::sReadThread = NULL;
 
 
@@ -104,27 +104,12 @@ LLPluginProcessParent::LLPluginProcessParent(LLPluginProcessParentOwner *owner):
 	// Don't start the timer here -- start it when we actually launch the plugin process.
 	mHeartbeat.stop();
 	
-	// Don't add to the global list until fully constructed.
-	{
-		LLMutexLock lock(sInstancesMutex);
-		sInstances.push_back(this);
-	}
 }
 
 LLPluginProcessParent::~LLPluginProcessParent()
 {
 	LL_DEBUGS("Plugin") << "destructor" << LL_ENDL;
 
-	// Remove from the global list before beginning destruction.
-	{
-		// Make sure to get the global mutex _first_ here, to avoid a possible deadlock against LLPluginProcessParent::poll()
-		LLMutexLock lock(sInstancesMutex);
-		{
-			LLMutexLock lock2(&mIncomingQueueMutex);
-			sInstances.remove(this);
-		}
-	}
-
 	// Destroy any remaining shared memory regions
 	sharedMemoryRegionsType::iterator iter;
 	while((iter = mSharedMemoryRegions.begin()) != mSharedMemoryRegions.end())
@@ -139,9 +124,109 @@ LLPluginProcessParent::~LLPluginProcessParent()
 	}
 
 	LLProcess::kill(mProcess);
-	killSockets();
+    if (!LLApp::isQuitting())
+    {   // If we are quitting, the network sockets will already have been destroyed.
+        killSockets();
+    }
+}
+
+/*static*/
+LLPluginProcessParent::ptr_t LLPluginProcessParent::create(LLPluginProcessParentOwner *owner)
+{
+    ptr_t that(new LLPluginProcessParent(owner));
+
+    // Don't add to the global list until fully constructed.
+    {
+        LLMutexLock lock(sInstancesMutex);
+        sInstances.insert(mapInstances_t::value_type(that.get(), that));
+    }
+
+    return that;
+}
+
+/*static*/
+void LLPluginProcessParent::shutdown()
+{
+    LLMutexLock lock(sInstancesMutex);
+
+    mapInstances_t::iterator it;
+    for (it = sInstances.begin(); it != sInstances.end(); ++it)
+    {
+        (*it).second->setState(STATE_GOODBYE);
+        (*it).second->idle();
+    }
+    sInstances.clear();
+}
+
+
+void LLPluginProcessParent::requestShutdown()
+{
+    setState(STATE_GOODBYE);
+    mOwner = NULL;
+
+    if (LLApp::isQuitting())
+    {   // if we're quitting, run the idle once more
+        idle();
+        removeFromProcessing();
+        return;
+    }
+
+    static uint32_t count = 0;
+    std::stringstream namestream;
+
+    namestream << "LLPluginProcessParentListener" << ++count;
+
+    //*HACK!*//
+    // After requestShutdown has been called our previous owner will no longer call 
+    // our idle() method.  Tie into the event loop here to do that until we are good
+    // and finished.
+    LL_DEBUGS("LLPluginProcessParent") << "listening on \"mainloop\"" << LL_ENDL;
+    mPolling = LLEventPumps::instance().obtain("mainloop")
+        .listen(namestream.str(), boost::bind(&LLPluginProcessParent::pollTick, this));
+
+}
+
+bool LLPluginProcessParent::pollTick()
+{
+    if (isDone())
+    {
+        ptr_t that;
+        {
+            // this grabs a copy of the smart pointer to ourselves to ensure that we do not
+            // get destroyed until after this method returns.
+            LLMutexLock lock(sInstancesMutex);
+            mapInstances_t::iterator it = sInstances.find(this);
+            if (it != sInstances.end())
+                that = (*it).second;
+        }
+
+        removeFromProcessing();
+        return true;
+    }
+
+    idle();
+    return false;
 }
 
+void LLPluginProcessParent::removeFromProcessing()
+{
+    // Remove from the global list before beginning destruction.
+    {
+        // Make sure to get the global mutex _first_ here, to avoid a possible deadlock against LLPluginProcessParent::poll()
+        LLMutexLock lock(sInstancesMutex);
+        {
+            LLMutexLock lock2(&mIncomingQueueMutex);
+            sInstances.erase(this);
+        }
+    }
+}
+
+bool LLPluginProcessParent::wantsPolling() const
+{
+    return (mPollFD.client_data && (mState != STATE_DONE));
+}
+
+
 void LLPluginProcessParent::killSockets(void)
 {
 	{
@@ -371,48 +456,48 @@ void LLPluginProcessParent::idle(void)
 			break;
 			
 			case STATE_LISTENING:
-			{
-				// Launch the plugin process.
+			    {
+				    // Launch the plugin process.
 				
-				// Only argument to the launcher is the port number we're listening on
-				mProcessParams.args.add(stringize(mBoundPort));
-				if (! (mProcess = LLProcess::create(mProcessParams)))
-				{
-					errorState();
-				}
-				else
-				{
-					if(mDebug)
-					{
-						#if LL_DARWIN
-						// If we're set to debug, start up a gdb instance in a new terminal window and have it attach to the plugin process and continue.
+				    // Only argument to the launcher is the port number we're listening on
+				    mProcessParams.args.add(stringize(mBoundPort));
+				    if (! (mProcess = LLProcess::create(mProcessParams)))
+				    {
+					    errorState();
+				    }
+				    else
+				    {
+					    if(mDebug)
+					    {
+#if LL_DARWIN
+						    // If we're set to debug, start up a gdb instance in a new terminal window and have it attach to the plugin process and continue.
 						
-						// The command we're constructing would look like this on the command line:
-						// osascript -e 'tell application "Terminal"' -e 'set win to do script "gdb -pid 12345"' -e 'do script "continue" in win' -e 'end tell'
-
-						LLProcess::Params params;
-						params.executable = "/usr/bin/osascript";
-						params.args.add("-e");
-						params.args.add("tell application \"Terminal\"");
-						params.args.add("-e");
-						params.args.add(STRINGIZE("set win to do script \"gdb -pid "
-												  << mProcess->getProcessID() << "\""));
-						params.args.add("-e");
-						params.args.add("do script \"continue\" in win");
-						params.args.add("-e");
-						params.args.add("end tell");
-						mDebugger = LLProcess::create(params);
-
-						#endif
-					}
+						    // The command we're constructing would look like this on the command line:
+						    // osascript -e 'tell application "Terminal"' -e 'set win to do script "gdb -pid 12345"' -e 'do script "continue" in win' -e 'end tell'
+
+						    LLProcess::Params params;
+						    params.executable = "/usr/bin/osascript";
+						    params.args.add("-e");
+						    params.args.add("tell application \"Terminal\"");
+						    params.args.add("-e");
+						    params.args.add(STRINGIZE("set win to do script \"gdb -pid "
+												      << mProcess->getProcessID() << "\""));
+						    params.args.add("-e");
+						    params.args.add("do script \"continue\" in win");
+						    params.args.add("-e");
+						    params.args.add("end tell");
+						    mDebugger = LLProcess::create(params);
+
+#endif
+					    }
 					
-					// This will allow us to time out if the process never starts.
-					mHeartbeat.start();
-					mHeartbeat.setTimerExpirySec(mPluginLaunchTimeout);
-					setState(STATE_LAUNCHED);
-				}
-			}
-			break;
+					    // This will allow us to time out if the process never starts.
+					    mHeartbeat.start();
+					    mHeartbeat.setTimerExpirySec(mPluginLaunchTimeout);
+					    setState(STATE_LAUNCHED);
+				    }
+			    }
+			    break;
 
 			case STATE_LAUNCHED:
 				// waiting for the plugin to connect
@@ -430,7 +515,7 @@ void LLPluginProcessParent::idle(void)
 						setState(STATE_CONNECTED);
 					}
 				}
-			break;
+			    break;
 			
 			case STATE_CONNECTED:
 				// waiting for hello message from the plugin
@@ -439,7 +524,7 @@ void LLPluginProcessParent::idle(void)
 				{
 					errorState();
 				}
-			break;
+			    break;
 
 			case STATE_HELLO:
 				LL_DEBUGS("Plugin") << "received hello message" << LL_ENDL;
@@ -453,7 +538,7 @@ void LLPluginProcessParent::idle(void)
 				}
 
 				setState(STATE_LOADING);
-			break;
+			    break;
 			
 			case STATE_LOADING:
 				// The load_plugin_response message will kick us from here into STATE_RUNNING
@@ -461,15 +546,23 @@ void LLPluginProcessParent::idle(void)
 				{
 					errorState();
 				}
-			break;
+			    break;
 			
 			case STATE_RUNNING:
 				if(pluginLockedUpOrQuit())
 				{
 					errorState();
 				}
-			break;
+			    break;
 			
+            case STATE_GOODBYE:
+                {
+                    LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_INTERNAL, "shutdown_plugin");
+                    sendMessage(message);
+                }
+                setState(STATE_EXITING);
+                break;
+
 			case STATE_EXITING:
 				if (! LLProcess::isRunning(mProcess))
 				{
@@ -480,7 +573,7 @@ void LLPluginProcessParent::idle(void)
 					LL_WARNS("Plugin") << "timeout in exiting state, bailing out" << LL_ENDL;
 					errorState();
 				}
-			break;
+    			break;
 
 			case STATE_LAUNCH_FAILURE:
 				if(mOwner != NULL)
@@ -488,7 +581,7 @@ void LLPluginProcessParent::idle(void)
 					mOwner->pluginLaunchFailed();
 				}
 				setState(STATE_CLEANUP);
-			break;
+    			break;
 
 			case STATE_ERROR:
 				if(mOwner != NULL)
@@ -496,19 +589,18 @@ void LLPluginProcessParent::idle(void)
 					mOwner->pluginDied();
 				}
 				setState(STATE_CLEANUP);
-			break;
+			    break;
 			
 			case STATE_CLEANUP:
 				LLProcess::kill(mProcess);
 				killSockets();
 				setState(STATE_DONE);
-			break;
-			
+                dirtyPollSet();
+			    break;
 			
 			case STATE_DONE:
 				// just sit here.
-			break;
-			
+    			break;
 		}
 	
 	} while (idle_again);
@@ -651,14 +743,14 @@ void LLPluginProcessParent::updatePollset()
 		sPollSet = NULL;
 	}
 	
-	std::list<LLPluginProcessParent*>::iterator iter;
+    mapInstances_t::iterator iter;
 	int count = 0;
 	
 	// Count the number of instances that want to be in the pollset
 	for(iter = sInstances.begin(); iter != sInstances.end(); iter++)
 	{
-		(*iter)->mPolledInput = false;
-		if((*iter)->mPollFD.client_data)
+		(*iter).second->mPolledInput = false;
+        if ((*iter).second->wantsPolling())
 		{
 			// This instance has a socket that needs to be polled.
 			++count;
@@ -686,12 +778,12 @@ void LLPluginProcessParent::updatePollset()
 				// Pollset was created, add all instances to it.
 				for(iter = sInstances.begin(); iter != sInstances.end(); iter++)
 				{
-					if((*iter)->mPollFD.client_data)
+                    if ((*iter).second->wantsPolling())
 					{
-						status = apr_pollset_add(sPollSet, &((*iter)->mPollFD));
+						status = apr_pollset_add(sPollSet, &((*iter).second->mPollFD));
 						if(status == APR_SUCCESS)
 						{
-							(*iter)->mPolledInput = true;
+							(*iter).second->mPolledInput = true;
 						}
 						else
 						{
@@ -756,45 +848,27 @@ void LLPluginProcessParent::poll(F64 timeout)
 		if(status == APR_SUCCESS)
 		{
 			// One or more of the descriptors signalled.  Call them.
-			for(int i = 0; i < count; i++)
-			{
-				LLPluginProcessParent *self = (LLPluginProcessParent *)(descriptors[i].client_data);
-				// NOTE: the descriptor returned here is actually a COPY of the original (even though we create the pollset with APR_POLLSET_NOCOPY).
-				// This means that even if the parent has set its mPollFD.client_data to NULL, the old pointer may still there in this descriptor.
-				// It's even possible that the old pointer no longer points to a valid LLPluginProcessParent.
-				// This means that we can't safely dereference the 'self' pointer here without some extra steps...
-				if(self)
-				{
-					// Make sure this pointer is still in the instances list
-					bool valid = false;
-					{
-						LLMutexLock lock(sInstancesMutex);
-						for(std::list<LLPluginProcessParent*>::iterator iter = sInstances.begin(); iter != sInstances.end(); ++iter)
-						{
-							if(*iter == self)
-							{
-								// Lock the instance's mutex before unlocking the global mutex.  
-								// This avoids a possible race condition where the instance gets deleted between this check and the servicePoll() call.
-								self->mIncomingQueueMutex.lock();
-								valid = true;
-								break;
-							}
-						}
-					}
-					
-					if(valid)
-					{
-						// The instance is still valid.
-						// Pull incoming messages off the socket
-						self->servicePoll();
-						self->mIncomingQueueMutex.unlock();
-					}
-					else
-					{
-						LL_DEBUGS("PluginPoll") << "detected deleted instance " << self << LL_ENDL;
-					}
+            for (int i = 0; i < count; i++)
+            {
+                void *thatId = descriptors[i].client_data;
+
+                ptr_t that;
+                mapInstances_t::iterator it;
+
+                {
+                    LLMutexLock lock(sInstancesMutex);
+                    it = sInstances.find(thatId);
+                    if (it != sInstances.end())
+                        that = (*it).second;
+                }
+
+                if (that)
+                {
+                    that->mIncomingQueueMutex.lock();
+                    that->servicePoll();
+                    that->mIncomingQueueMutex.unlock();
+                }
 
-				}
 			}
 		}
 		else if(APR_STATUS_IS_TIMEUP(status))
@@ -812,6 +886,16 @@ void LLPluginProcessParent::poll(F64 timeout)
 			LL_WARNS("PluginPoll") << "apr_pollset_poll failed with status " << status << LL_ENDL;
 		}
 	}
+
+    // Remove instances in the done state from the sInstances map.
+    mapInstances_t::iterator itClean = sInstances.begin();
+    while (itClean != sInstances.end())
+    {
+        if ((*itClean).second->isDone())
+            sInstances.erase(itClean++);
+        else
+            ++itClean;
+    }
 }
 
 void LLPluginProcessParent::servicePoll()
diff --git a/indra/llplugin/llpluginprocessparent.h b/indra/llplugin/llpluginprocessparent.h
index 24be7eb148..df1630255c 100644
--- a/indra/llplugin/llpluginprocessparent.h
+++ b/indra/llplugin/llpluginprocessparent.h
@@ -30,6 +30,7 @@
 #define LL_LLPLUGINPROCESSPARENT_H
 
 #include <queue>
+#include <boost/enable_shared_from_this.hpp>
 
 #include "llapr.h"
 #include "llprocess.h"
@@ -40,8 +41,9 @@
 #include "lliosocket.h"
 #include "llthread.h"
 #include "llsd.h"
+#include "llevents.h"
 
-class LLPluginProcessParentOwner
+class LLPluginProcessParentOwner : public boost::enable_shared_from_this < LLPluginProcessParentOwner > 
 {
 public:
 	virtual ~LLPluginProcessParentOwner();
@@ -55,8 +57,11 @@ public:
 class LLPluginProcessParent : public LLPluginMessagePipeOwner
 {
 	LOG_CLASS(LLPluginProcessParent);
+
+    LLPluginProcessParent(LLPluginProcessParentOwner *owner);
 public:
-	LLPluginProcessParent(LLPluginProcessParentOwner *owner);
+    typedef boost::shared_ptr<LLPluginProcessParent> ptr_t;
+
 	~LLPluginProcessParent();
 		
 	void init(const std::string &launcher_filename, 
@@ -89,7 +94,10 @@ public:
 	void sendMessage(const LLPluginMessage &message);
 	
 	void receiveMessage(const LLPluginMessage &message);
-	
+
+    static ptr_t create(LLPluginProcessParentOwner *owner);
+    void requestShutdown();
+
 	// Inherited from LLPluginMessagePipeOwner
 	/*virtual*/ void receiveMessageRaw(const std::string &message);
 	/*virtual*/ void receiveMessageEarly(const LLPluginMessage &message);
@@ -121,7 +129,10 @@ public:
 	static bool canPollThreadRun() { return (sPollSet || sPollsetNeedsRebuild || sUseReadThread); };
 	static void setUseReadThread(bool use_read_thread);
 	static bool getUseReadThread() { return sUseReadThread; };
+
+    static void shutdown();
 private:
+    typedef std::map<void *, ptr_t> mapInstances_t;
 
 	enum EState
 	{
@@ -133,6 +144,7 @@ private:
 		STATE_HELLO,			// first message from the plugin process has been received
 		STATE_LOADING,			// process has been asked to load the plugin
 		STATE_RUNNING,			// 
+        STATE_GOODBYE,
 		STATE_LAUNCH_FAILURE,	// Failure before plugin loaded
 		STATE_ERROR,			// generic bailout state
 		STATE_CLEANUP,			// clean everything up
@@ -143,6 +155,9 @@ private:
 	EState mState;
 	void setState(EState state);
 
+    bool wantsPolling() const;
+    void removeFromProcessing();
+
 	bool pluginLockedUp();
 	bool pluginLockedUpOrQuit();
 
@@ -185,12 +200,15 @@ private:
 	static apr_pollset_t *sPollSet;
 	static bool sPollsetNeedsRebuild;
 	static LLMutex *sInstancesMutex;
-	static std::list<LLPluginProcessParent*> sInstances;
+    static mapInstances_t sInstances;
 	static void dirtyPollSet();
 	static void updatePollset();
 	void servicePoll();
 	static LLThread *sReadThread;
-	
+
+    LLTempBoundListener mPolling;
+    bool pollTick();
+
 	LLMutex mIncomingQueueMutex;
 	std::queue<LLPluginMessage> mIncomingQueue;
 };
diff --git a/indra/llplugin/slplugin/slplugin.cpp b/indra/llplugin/slplugin/slplugin.cpp
index 6c9ba0ae52..684bcf1207 100644
--- a/indra/llplugin/slplugin/slplugin.cpp
+++ b/indra/llplugin/slplugin/slplugin.cpp
@@ -310,4 +310,3 @@ int main(int argc, char **argv)
 
 	return 0;
 }
-