mirror of
https://github.com/darlinghq/darling-bmalloc.git
synced 2024-11-26 22:00:22 +00:00
106 lines
4.4 KiB
C++
106 lines
4.4 KiB
C++
/*
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* Copyright (C) 2014-2019 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "BInline.h"
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#include "Cache.h"
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#include "DebugHeap.h"
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#include "Environment.h"
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#include "Heap.h"
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#include "PerProcess.h"
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namespace bmalloc {
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void Cache::scavenge(HeapKind heapKind)
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{
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PerHeapKind<Cache>* caches = PerThread<PerHeapKind<Cache>>::getFastCase();
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if (!caches)
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return;
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if (!isActiveHeapKind(heapKind))
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return;
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caches->at(heapKind).allocator().scavenge();
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caches->at(heapKind).deallocator().scavenge();
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}
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Cache::Cache(HeapKind heapKind)
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: m_deallocator(PerProcess<PerHeapKind<Heap>>::get()->at(heapKind))
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, m_allocator(PerProcess<PerHeapKind<Heap>>::get()->at(heapKind), m_deallocator)
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{
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BASSERT(!Environment::get()->isDebugHeapEnabled());
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}
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BNO_INLINE void* Cache::tryAllocateSlowCaseNullCache(HeapKind heapKind, size_t size)
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{
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if (auto* debugHeap = DebugHeap::tryGet())
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return debugHeap->malloc(size, FailureAction::ReturnNull);
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return PerThread<PerHeapKind<Cache>>::getSlowCase()->at(mapToActiveHeapKind(heapKind)).allocator().tryAllocate(size);
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}
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BNO_INLINE void* Cache::allocateSlowCaseNullCache(HeapKind heapKind, size_t size)
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{
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if (auto* debugHeap = DebugHeap::tryGet())
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return debugHeap->malloc(size, FailureAction::Crash);
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return PerThread<PerHeapKind<Cache>>::getSlowCase()->at(mapToActiveHeapKind(heapKind)).allocator().allocate(size);
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}
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BNO_INLINE void* Cache::tryAllocateSlowCaseNullCache(HeapKind heapKind, size_t alignment, size_t size)
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{
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if (auto* debugHeap = DebugHeap::tryGet())
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return debugHeap->memalign(alignment, size, FailureAction::ReturnNull);
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return PerThread<PerHeapKind<Cache>>::getSlowCase()->at(mapToActiveHeapKind(heapKind)).allocator().tryAllocate(alignment, size);
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}
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BNO_INLINE void* Cache::allocateSlowCaseNullCache(HeapKind heapKind, size_t alignment, size_t size)
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{
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if (auto* debugHeap = DebugHeap::tryGet())
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return debugHeap->memalign(alignment, size, FailureAction::Crash);
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return PerThread<PerHeapKind<Cache>>::getSlowCase()->at(mapToActiveHeapKind(heapKind)).allocator().allocate(alignment, size);
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}
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BNO_INLINE void Cache::deallocateSlowCaseNullCache(HeapKind heapKind, void* object)
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{
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if (auto* debugHeap = DebugHeap::tryGet()) {
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debugHeap->free(object);
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return;
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}
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PerThread<PerHeapKind<Cache>>::getSlowCase()->at(mapToActiveHeapKind(heapKind)).deallocator().deallocate(object);
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}
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BNO_INLINE void* Cache::tryReallocateSlowCaseNullCache(HeapKind heapKind, void* object, size_t newSize)
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{
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if (auto* debugHeap = DebugHeap::tryGet())
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return debugHeap->realloc(object, newSize, FailureAction::ReturnNull);
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return PerThread<PerHeapKind<Cache>>::getSlowCase()->at(mapToActiveHeapKind(heapKind)).allocator().tryReallocate(object, newSize);
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}
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BNO_INLINE void* Cache::reallocateSlowCaseNullCache(HeapKind heapKind, void* object, size_t newSize)
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{
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if (auto* debugHeap = DebugHeap::tryGet())
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return debugHeap->realloc(object, newSize, FailureAction::Crash);
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return PerThread<PerHeapKind<Cache>>::getSlowCase()->at(mapToActiveHeapKind(heapKind)).allocator().reallocate(object, newSize);
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}
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} // namespace bmalloc
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