godot/thirdparty/glslang/glslang/MachineIndependent/PoolAlloc.cpp

//
// Copyright (C) 2002-2005  3Dlabs Inc. Ltd.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
//    Redistributions of source code must retain the above copyright
//    notice, this list of conditions and the following disclaimer.
//
//    Redistributions in binary form must reproduce the above
//    copyright notice, this list of conditions and the following
//    disclaimer in the documentation and/or other materials provided
//    with the distribution.
//
//    Neither the name of 3Dlabs Inc. Ltd. nor the names of its
//    contributors may be used to endorse or promote products derived
//    from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
// COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//

#include "../Include/Common.h"
#include "../Include/PoolAlloc.h"

namespace glslang {

namespace {
thread_local TPoolAllocator* threadPoolAllocator = …;

TPoolAllocator* GetDefaultThreadPoolAllocator()
{ … }
} // anonymous namespace

// Return the thread-specific current pool.
TPoolAllocator& GetThreadPoolAllocator()
{ … }

// Set the thread-specific current pool.
void SetThreadPoolAllocator(TPoolAllocator* poolAllocator)
{ … }

//
// Implement the functionality of the TPoolAllocator class, which
// is documented in PoolAlloc.h.
//
TPoolAllocator::TPoolAllocator(int growthIncrement, int allocationAlignment) : … { … }

TPoolAllocator::~TPoolAllocator()
{ … }

//
// Check a single guard block for damage
//
#ifdef GUARD_BLOCKS
void TAllocation::checkGuardBlock(unsigned char* blockMem, unsigned char val, const char* locText) const
#else
void TAllocation::checkGuardBlock(unsigned char*, unsigned char, const char*) const
#endif
{ … }

void TPoolAllocator::push()
{ … }

//
// Do a mass-deallocation of all the individual allocations
// that have occurred since the last push(), or since the
// last pop(), or since the object's creation.
//
// The deallocated pages are saved for future allocations.
//
void TPoolAllocator::pop()
{ … }

//
// Do a mass-deallocation of all the individual allocations
// that have occurred.
//
void TPoolAllocator::popAll()
{ … }

void* TPoolAllocator::allocate(size_t numBytes)
{ … }

//
// Check all allocations in a list for damage by calling check on each.
//
void TAllocation::checkAllocList() const
{ … }

} // end namespace glslang