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/**
* @file llthreadlocalstorage.cpp
* @author Richard
* @date 2013-1-11
* @brief implementation of thread local storage utility classes
*
* $LicenseInfo:firstyear=2013&license=viewerlgpl$
* 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
* $/LicenseInfo$
*/
#include "linden_common.h"
#include "llthreadlocalstorage.h"
#include "llapr.h"
//
//LLThreadLocalPointerBase
//
bool LLThreadLocalPointerBase::sInitialized = false;
void LLThreadLocalPointerBase::set( void* value )
{
llassert(sInitialized && mThreadKey);
apr_status_t result = apr_threadkey_private_set((void*)value, mThreadKey);
if (result != APR_SUCCESS)
{
ll_apr_warn_status(result);
LL_ERRS() << "Failed to set thread local data" << LL_ENDL;
}
}
void* LLThreadLocalPointerBase::get() const
{
// llassert(sInitialized);
void* ptr;
apr_status_t result =
apr_threadkey_private_get(&ptr, mThreadKey);
if (result != APR_SUCCESS)
{
ll_apr_warn_status(result);
LL_ERRS() << "Failed to get thread local data" << LL_ENDL;
}
return ptr;
}
void LLThreadLocalPointerBase::initStorage( )
{
apr_status_t result = apr_threadkey_private_create(&mThreadKey, NULL, gAPRPoolp);
if (result != APR_SUCCESS)
{
ll_apr_warn_status(result);
LL_ERRS() << "Failed to allocate thread local data" << LL_ENDL;
}
}
void LLThreadLocalPointerBase::destroyStorage()
{
if (sInitialized)
{
if (mThreadKey)
{
apr_status_t result = apr_threadkey_private_delete(mThreadKey);
if (result != APR_SUCCESS)
{
ll_apr_warn_status(result);
LL_ERRS() << "Failed to delete thread local data" << LL_ENDL;
}
}
}
}
//static
void LLThreadLocalPointerBase::initAllThreadLocalStorage()
{
if (!sInitialized)
{
for (LLInstanceTracker<LLThreadLocalPointerBase>::instance_iter it = beginInstances(), end_it = endInstances();
it != end_it;
++it)
{
(*it).initStorage();
}
sInitialized = true;
}
}
//static
void LLThreadLocalPointerBase::destroyAllThreadLocalStorage()
{
if (sInitialized)
{
//for (LLInstanceTracker<LLThreadLocalPointerBase>::instance_iter it = beginInstances(), end_it = endInstances();
// it != end_it;
// ++it)
//{
// (*it).destroyStorage();
//}
sInitialized = false;
}
}
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