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Cache.cpp
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Cache.cpp
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/*
* Copyright (C) 2014-2019 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 APPLE INC. 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 "BInline.h"
#include "Cache.h"
#include "DebugHeap.h"
#include "Environment.h"
#include "Heap.h"
#include "PerProcess.h"
#if !BUSE(LIBPAS)
namespace bmalloc {
void Cache::scavenge(HeapKind heapKind)
{
PerHeapKind<Cache>* caches = PerThread<PerHeapKind<Cache>>::getFastCase();
if (!caches)
return;
if (!isActiveHeapKind(heapKind))
return;
caches->at(heapKind).allocator().scavenge();
caches->at(heapKind).deallocator().scavenge();
}
Cache::Cache(HeapKind heapKind)
: m_deallocator(PerProcess<PerHeapKind<Heap>>::get()->at(heapKind))
, m_allocator(PerProcess<PerHeapKind<Heap>>::get()->at(heapKind), m_deallocator)
{
BASSERT(!Environment::get()->isDebugHeapEnabled());
}
BNO_INLINE void* Cache::tryAllocateSlowCaseNullCache(HeapKind heapKind, size_t size)
{
if (auto* debugHeap = DebugHeap::tryGet())
return debugHeap->malloc(size, FailureAction::ReturnNull);
return PerThread<PerHeapKind<Cache>>::getSlowCase()->at(mapToActiveHeapKind(heapKind)).allocator().tryAllocate(size);
}
BNO_INLINE void* Cache::allocateSlowCaseNullCache(HeapKind heapKind, size_t size)
{
if (auto* debugHeap = DebugHeap::tryGet())
return debugHeap->malloc(size, FailureAction::Crash);
return PerThread<PerHeapKind<Cache>>::getSlowCase()->at(mapToActiveHeapKind(heapKind)).allocator().allocate(size);
}
BNO_INLINE void* Cache::tryAllocateSlowCaseNullCache(HeapKind heapKind, size_t alignment, size_t size)
{
if (auto* debugHeap = DebugHeap::tryGet())
return debugHeap->memalign(alignment, size, FailureAction::ReturnNull);
return PerThread<PerHeapKind<Cache>>::getSlowCase()->at(mapToActiveHeapKind(heapKind)).allocator().tryAllocate(alignment, size);
}
BNO_INLINE void* Cache::allocateSlowCaseNullCache(HeapKind heapKind, size_t alignment, size_t size)
{
if (auto* debugHeap = DebugHeap::tryGet())
return debugHeap->memalign(alignment, size, FailureAction::Crash);
return PerThread<PerHeapKind<Cache>>::getSlowCase()->at(mapToActiveHeapKind(heapKind)).allocator().allocate(alignment, size);
}
BNO_INLINE void Cache::deallocateSlowCaseNullCache(HeapKind heapKind, void* object)
{
if (auto* debugHeap = DebugHeap::tryGet()) {
debugHeap->free(object);
return;
}
PerThread<PerHeapKind<Cache>>::getSlowCase()->at(mapToActiveHeapKind(heapKind)).deallocator().deallocate(object);
}
BNO_INLINE void* Cache::tryReallocateSlowCaseNullCache(HeapKind heapKind, void* object, size_t newSize)
{
if (auto* debugHeap = DebugHeap::tryGet())
return debugHeap->realloc(object, newSize, FailureAction::ReturnNull);
return PerThread<PerHeapKind<Cache>>::getSlowCase()->at(mapToActiveHeapKind(heapKind)).allocator().tryReallocate(object, newSize);
}
BNO_INLINE void* Cache::reallocateSlowCaseNullCache(HeapKind heapKind, void* object, size_t newSize)
{
if (auto* debugHeap = DebugHeap::tryGet())
return debugHeap->realloc(object, newSize, FailureAction::Crash);
return PerThread<PerHeapKind<Cache>>::getSlowCase()->at(mapToActiveHeapKind(heapKind)).allocator().reallocate(object, newSize);
}
} // namespace bmalloc
#endif