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Diffstat (limited to 'include/utils/MemoryHeapBase.h')
-rw-r--r-- | include/utils/MemoryHeapBase.h | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/include/utils/MemoryHeapBase.h b/include/utils/MemoryHeapBase.h deleted file mode 100644 index 574acf4..0000000 --- a/include/utils/MemoryHeapBase.h +++ /dev/null @@ -1,98 +0,0 @@ -/* - * Copyright (C) 2008 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#ifndef ANDROID_MEMORY_HEAP_BASE_H -#define ANDROID_MEMORY_HEAP_BASE_H - -#include <stdlib.h> -#include <stdint.h> - -#include <utils/IMemory.h> - - -namespace android { - -// --------------------------------------------------------------------------- - -class MemoryHeapBase : public virtual BnMemoryHeap -{ -public: - enum { - READ_ONLY = IMemoryHeap::READ_ONLY, - MAP_ONCE = IMemoryHeap::MAP_ONCE, - // memory won't be mapped locally, but will be mapped in the remote - // process. - DONT_MAP_LOCALLY = 0x00000100 - }; - - /* - * maps the memory referenced by fd. but DOESN'T take ownership - * of the filedescriptor (it makes a copy with dup() - */ - MemoryHeapBase(int fd, size_t size, uint32_t flags = 0); - - /* - * maps memory from the given device - */ - MemoryHeapBase(const char* device, size_t size = 0, uint32_t flags = 0); - - /* - * maps memory from ashmem, with the given name for debugging - */ - MemoryHeapBase(size_t size, uint32_t flags = 0, char const* name = NULL); - - virtual ~MemoryHeapBase(); - - /* implement IMemoryHeap interface */ - virtual int getHeapID() const; - virtual void* getBase() const; - virtual size_t getSize() const; - virtual uint32_t getFlags() const; - - const char* getDevice() const; - - /* this closes this heap -- use carefully */ - void dispose(); - - /* this is only needed as a workaround, use only if you know - * what you are doing */ - status_t setDevice(const char* device) { - if (mDevice == 0) - mDevice = device; - return mDevice ? NO_ERROR : ALREADY_EXISTS; - } - -protected: - MemoryHeapBase(); - // init() takes ownership of fd - status_t init(int fd, void *base, int size, - int flags = 0, const char* device = NULL); - -private: - status_t mapfd(int fd, size_t size); - - int mFD; - size_t mSize; - void* mBase; - uint32_t mFlags; - const char* mDevice; - bool mNeedUnmap; -}; - -// --------------------------------------------------------------------------- -}; // namespace android - -#endif // ANDROID_MEMORY_HEAP_BASE_H |