From 9e6a5d721193f181c39e58fe00073bece74b081a Mon Sep 17 00:00:00 2001
From: Xiaohong Bao <bao@lindenlab.com>
Date: Fri, 20 Jan 2012 11:55:15 -0700
Subject: fix for SH-2823 and SH-2824: LLCurl crash inside
 LLBufferArray::countAfter() and LLBufferArray::copyIntoBuffers

---
 indra/llcommon/llthread.cpp | 15 ++++++++++-----
 indra/llcommon/llthread.h   |  1 +
 2 files changed, 11 insertions(+), 5 deletions(-)

(limited to 'indra/llcommon')

diff --git a/indra/llcommon/llthread.cpp b/indra/llcommon/llthread.cpp
index 4063cc730b..a6ad6b125c 100644
--- a/indra/llcommon/llthread.cpp
+++ b/indra/llcommon/llthread.cpp
@@ -337,11 +337,7 @@ LLMutex::~LLMutex()
 
 void LLMutex::lock()
 {
-#if LL_DARWIN
-	if (mLockingThread == LLThread::currentID())
-#else
-	if (mLockingThread == sThreadID)
-#endif
+	if(isSelfLocked())
 	{ //redundant lock
 		mCount++;
 		return;
@@ -398,6 +394,15 @@ bool LLMutex::isLocked()
 	}
 }
 
+bool LLMutex::isSelfLocked()
+{
+#if LL_DARWIN
+	return mLockingThread == LLThread::currentID();
+#else
+	return mLockingThread == sThreadID;
+#endif
+}
+
 U32 LLMutex::lockingThread() const
 {
 	return mLockingThread;
diff --git a/indra/llcommon/llthread.h b/indra/llcommon/llthread.h
index f0e0de6173..b52e70ab2e 100644
--- a/indra/llcommon/llthread.h
+++ b/indra/llcommon/llthread.h
@@ -151,6 +151,7 @@ public:
 	void lock();		// blocks
 	void unlock();
 	bool isLocked(); 	// non-blocking, but does do a lock/unlock so not free
+	bool isSelfLocked(); //return true if locked in a same thread
 	U32 lockingThread() const; //get ID of locking thread
 	
 protected:
-- 
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