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-rw-r--r--indra/llcommon/llthread.h58
1 files changed, 43 insertions, 15 deletions
diff --git a/indra/llcommon/llthread.h b/indra/llcommon/llthread.h
index f1c6cd75af..0dc3e0b694 100644
--- a/indra/llcommon/llthread.h
+++ b/indra/llcommon/llthread.h
@@ -2,25 +2,31 @@
* @file llthread.h
* @brief Base classes for thread, mutex and condition handling.
*
- * $LicenseInfo:firstyear=2004&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
+ * $LicenseInfo:firstyear=2004&license=viewergpl$
+ *
+ * Copyright (c) 2004-2009, 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.
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab. Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
*
- * 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.
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at
+ * http://secondlifegrid.net/programs/open_source/licensing/flossexception
*
- * 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
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
*
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
* $/LicenseInfo$
*/
@@ -35,8 +41,17 @@ class LLThread;
class LLMutex;
class LLCondition;
+#if LL_WINDOWS
+#define ll_thread_local __declspec(thread)
+#else
+#define ll_thread_local __thread
+#endif
+
class LL_COMMON_API LLThread
{
+private:
+ static U32 sIDIter;
+
public:
typedef enum e_thread_status
{
@@ -77,6 +92,8 @@ public:
apr_pool_t *getAPRPool() { return mAPRPoolp; }
LLVolatileAPRPool* getLocalAPRFilePool() { return mLocalAPRFilePoolp ; }
+ U32 getID() const { return mID; }
+
private:
BOOL mPaused;
@@ -91,6 +108,7 @@ protected:
apr_pool_t *mAPRPoolp;
BOOL mIsLocalPool;
EThreadStatus mStatus;
+ U32 mID;
//a local apr_pool for APRFile operations in this thread. If it exists, LLAPRFile::sAPRFilePoolp should not be used.
//Note: this pool is used by APRFile ONLY, do NOT use it for any other purposes.
@@ -128,17 +146,27 @@ protected:
class LL_COMMON_API LLMutex
{
public:
+ typedef enum
+ {
+ NO_THREAD = 0xFFFFFFFF
+ } e_locking_thread;
+
LLMutex(apr_pool_t *apr_poolp); // NULL pool constructs a new pool for the mutex
virtual ~LLMutex();
void lock(); // blocks
void unlock();
bool isLocked(); // non-blocking, but does do a lock/unlock so not free
+ U32 lockingThread() const; //get ID of locking thread
protected:
apr_thread_mutex_t *mAPRMutexp;
+ mutable U32 mCount;
+ mutable U32 mLockingThread;
+
apr_pool_t *mAPRPoolp;
BOOL mIsLocalPool;
+
#if MUTEX_DEBUG
std::map<U32, BOOL> mIsLocked;
#endif