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/**
* @file llcommon.cpp
*
* $LicenseInfo:firstyear=2006&license=viewerlgpl$
* 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 "llcommon.h"
#include "llmemory.h"
#include "llthread.h"
#include "lltrace.h"
#include "lltracethreadrecorder.h"
#include "llcleanup.h"
thread_local bool gProfilerEnabled = false;
#if (TRACY_ENABLE)
// Override new/delete for tracy memory profiling
void *operator new(size_t size)
{
void* ptr;
if (gProfilerEnabled)
{
LL_PROFILE_ZONE_SCOPED;
ptr = (malloc)(size);
}
else
{
ptr = (malloc)(size);
}
if (!ptr)
{
throw std::bad_alloc();
}
TracyAlloc(ptr, size);
return ptr;
}
void operator delete(void *ptr) noexcept
{
TracyFree(ptr);
if (gProfilerEnabled)
{
LL_PROFILE_ZONE_SCOPED;
(free)(ptr);
}
else
{
(free)(ptr);
}
}
// C-style malloc/free can't be so easily overridden, so we define tracy versions and use
// a pre-processor #define in linden_common.h to redirect to them. The parens around the native
// functions below prevents recursive substitution by the preprocessor.
//
// Unaligned mallocs are rare in LL code but hooking them causes problems in 3p lib code (looking at
// you, Havok), so we'll only capture the aligned version.
void *tracy_aligned_malloc(size_t size, size_t alignment)
{
auto ptr = ll_aligned_malloc_fallback(size, alignment);
if (ptr) TracyAlloc(ptr, size);
return ptr;
}
void tracy_aligned_free(void *memblock)
{
TracyFree(memblock);
ll_aligned_free_fallback(memblock);
}
#endif
//static
BOOL LLCommon::sAprInitialized = FALSE;
static LLTrace::ThreadRecorder* sMasterThreadRecorder = NULL;
//static
void LLCommon::initClass()
{
if (!sAprInitialized)
{
ll_init_apr();
sAprInitialized = TRUE;
}
LLTimer::initClass();
LLThreadSafeRefCount::initThreadSafeRefCount();
assert_main_thread(); // Make sure we record the main thread
if (!sMasterThreadRecorder)
{
sMasterThreadRecorder = new LLTrace::ThreadRecorder();
LLTrace::set_master_thread_recorder(sMasterThreadRecorder);
}
}
//static
void LLCommon::cleanupClass()
{
delete sMasterThreadRecorder;
sMasterThreadRecorder = NULL;
LLTrace::set_master_thread_recorder(NULL);
LLThreadSafeRefCount::cleanupThreadSafeRefCount();
SUBSYSTEM_CLEANUP_DBG(LLTimer);
if (sAprInitialized)
{
ll_cleanup_apr();
sAprInitialized = FALSE;
}
}
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