1 // Copyright 2013 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // Please use discardable_memory.h since this is just an internal file providing 6 // utility functions used both by discardable_memory_android.cc and 7 // discardable_memory_allocator_android.cc. 8 9 #ifndef BASE_MEMORY_DISCARDABLE_MEMORY_ANDROID_H_ 10 #define BASE_MEMORY_DISCARDABLE_MEMORY_ANDROID_H_ 11 12 #include "base/basictypes.h" 13 #include "base/memory/discardable_memory.h" 14 15 namespace base { 16 namespace internal { 17 18 size_t AlignToNextPage(size_t size); 19 20 bool CreateAshmemRegion(const char* name, size_t size, int* fd, void** address); 21 22 bool CloseAshmemRegion(int fd, size_t size, void* address); 23 24 LockDiscardableMemoryStatus LockAshmemRegion(int fd, 25 size_t offset, 26 size_t size, 27 const void* address); 28 29 bool UnlockAshmemRegion(int fd, 30 size_t offset, 31 size_t size, 32 const void* address); 33 34 } // namespace internal 35 } // namespace base 36 37 #endif // BASE_MEMORY_DISCARDABLE_MEMORY_ANDROID_H_ 38
