From 5ef05e151d24e15a175d4f78ff17b6abdd36bbc4 Mon Sep 17 00:00:00 2001
From: Xiaohong Bao <bao@lindenlab.com>
Date: Wed, 5 Oct 2011 15:21:10 -0600
Subject: fix for SH-2434: Mac viewer sometimes freezes at start up and must be
 force quit.

---
 indra/llcommon/llqueuedthread.cpp | 7 ++++++-
 indra/llcommon/llqueuedthread.h   | 2 +-
 indra/llcommon/llworkerthread.cpp | 4 ++--
 indra/llcommon/llworkerthread.h   | 2 +-
 indra/newview/lltexturefetch.cpp  | 2 +-
 5 files changed, 11 insertions(+), 6 deletions(-)

diff --git a/indra/llcommon/llqueuedthread.cpp b/indra/llcommon/llqueuedthread.cpp
index efd9c4b68f..5dee7a3541 100644
--- a/indra/llcommon/llqueuedthread.cpp
+++ b/indra/llcommon/llqueuedthread.cpp
@@ -32,7 +32,7 @@
 //============================================================================
 
 // MAIN THREAD
-LLQueuedThread::LLQueuedThread(const std::string& name, bool threaded) :
+LLQueuedThread::LLQueuedThread(const std::string& name, bool threaded, bool should_pause) :
 	LLThread(name),
 	mThreaded(threaded),
 	mIdleThread(TRUE),
@@ -41,6 +41,11 @@ LLQueuedThread::LLQueuedThread(const std::string& name, bool threaded) :
 {
 	if (mThreaded)
 	{
+		if(should_pause)
+		{
+			pause() ; //call this before start the thread.
+		}
+
 		start();
 	}
 }
diff --git a/indra/llcommon/llqueuedthread.h b/indra/llcommon/llqueuedthread.h
index a53b22f6fc..499d13a792 100644
--- a/indra/llcommon/llqueuedthread.h
+++ b/indra/llcommon/llqueuedthread.h
@@ -149,7 +149,7 @@ public:
 	static handle_t nullHandle() { return handle_t(0); }
 	
 public:
-	LLQueuedThread(const std::string& name, bool threaded = true);
+	LLQueuedThread(const std::string& name, bool threaded = true, bool should_pause = false);
 	virtual ~LLQueuedThread();	
 	virtual void shutdown();
 	
diff --git a/indra/llcommon/llworkerthread.cpp b/indra/llcommon/llworkerthread.cpp
index 6b308bb917..e186621503 100644
--- a/indra/llcommon/llworkerthread.cpp
+++ b/indra/llcommon/llworkerthread.cpp
@@ -34,8 +34,8 @@
 //============================================================================
 // Run on MAIN thread
 
-LLWorkerThread::LLWorkerThread(const std::string& name, bool threaded) :
-	LLQueuedThread(name, threaded)
+LLWorkerThread::LLWorkerThread(const std::string& name, bool threaded, bool should_pause) :
+	LLQueuedThread(name, threaded, should_pause)
 {
 	mDeleteMutex = new LLMutex;
 }
diff --git a/indra/llcommon/llworkerthread.h b/indra/llcommon/llworkerthread.h
index bef5ef53fe..973b78ca01 100644
--- a/indra/llcommon/llworkerthread.h
+++ b/indra/llcommon/llworkerthread.h
@@ -83,7 +83,7 @@ private:
 	LLMutex* mDeleteMutex;
 	
 public:
-	LLWorkerThread(const std::string& name, bool threaded = true);
+	LLWorkerThread(const std::string& name, bool threaded = true, bool should_pause = false);
 	~LLWorkerThread();
 
 	/*virtual*/ S32 update(U32 max_time_ms);
diff --git a/indra/newview/lltexturefetch.cpp b/indra/newview/lltexturefetch.cpp
index e9be45ffd0..a6e0d4530a 100644
--- a/indra/newview/lltexturefetch.cpp
+++ b/indra/newview/lltexturefetch.cpp
@@ -1810,7 +1810,7 @@ bool LLTextureFetchWorker::writeToCacheComplete()
 // public
 
 LLTextureFetch::LLTextureFetch(LLTextureCache* cache, LLImageDecodeThread* imagedecodethread, bool threaded, bool qa_mode)
-	: LLWorkerThread("TextureFetch", threaded),
+	: LLWorkerThread("TextureFetch", threaded, true),
 	  mDebugCount(0),
 	  mDebugPause(FALSE),
 	  mPacketCount(0),
-- 
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