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99 lines
2.6 KiB
99 lines
2.6 KiB
/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "chre/platform/memory.h"
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#include "chre/platform/slpi/memory.h"
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#ifdef CHRE_SLPI_SEE
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#include "chre/platform/slpi/see/island_vote_client.h"
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#endif
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#include <cstdlib>
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extern "C" {
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#ifdef CHRE_SLPI_UIMG_ENABLED
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#include "sns_island_util.h"
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#include "sns_memmgr.h"
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#endif // CHRE_SLPI_UIMG_ENABLED
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} // extern "C"
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namespace chre {
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void *memoryAlloc(size_t size) {
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#ifdef CHRE_SLPI_UIMG_ENABLED
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void *ptr = sns_malloc(SNS_HEAP_CHRE_ISLAND, size);
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// Fall back to big image memory when uimg memory is exhausted.
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// Must exclude size 0 as clients may not explicitly free memory of size 0,
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// which may mistakenly hold the system in big image.
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if (ptr == nullptr && size != 0) {
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// Increment big image ref count to prevent system from entering uimg
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// while big image memory is in use.
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IslandVoteClientSingleton::get()->incrementBigImageRefCount();
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ptr = memoryAllocBigImage(size);
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// Big image allocation failed too.
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if (ptr == nullptr) {
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IslandVoteClientSingleton::get()->decrementBigImageRefCount();
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}
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}
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return ptr;
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#else
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return malloc(size);
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#endif // CHRE_SLPI_UIMG_ENABLED
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}
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void *memoryAllocBigImage(size_t size) {
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return malloc(size);
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}
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void *palSystemApiMemoryAlloc(size_t size) {
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return malloc(size);
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}
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void memoryFree(void *pointer) {
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#ifdef CHRE_SLPI_UIMG_ENABLED
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if (sns_island_is_island_ptr(reinterpret_cast<intptr_t>(pointer))) {
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sns_free(pointer);
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} else {
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memoryFreeBigImage(pointer);
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// Must exclude nullptr as it's excluded in memoryAlloc() as well.
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// Note currently sns_island_is_island_ptr returns true for nullptr,
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// so this mainly serves as a protection in case the implementation of
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// sns_island_is_island_ptr changes in the future.
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if (pointer != nullptr) {
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IslandVoteClientSingleton::get()->decrementBigImageRefCount();
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}
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}
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#else
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free(pointer);
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#endif // CHRE_SLPI_UIMG_ENABLED
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}
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void memoryFreeBigImage(void *pointer) {
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free(pointer);
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}
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void palSystemApiMemoryFree(void *pointer) {
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free(pointer);
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}
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} // namespace chre
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