diff options
Diffstat (limited to 'libs/binder/include/binder/MemoryHeapBase.h')
| -rw-r--r-- | libs/binder/include/binder/MemoryHeapBase.h | 27 |
1 files changed, 18 insertions, 9 deletions
diff --git a/libs/binder/include/binder/MemoryHeapBase.h b/libs/binder/include/binder/MemoryHeapBase.h index dd76943ac7..3fccddcc59 100644 --- a/libs/binder/include/binder/MemoryHeapBase.h +++ b/libs/binder/include/binder/MemoryHeapBase.h @@ -14,7 +14,8 @@ * limitations under the License. */ -#pragma once +#ifndef ANDROID_MEMORY_HEAP_BASE_H +#define ANDROID_MEMORY_HEAP_BASE_H #include <stdlib.h> #include <stdint.h> @@ -50,28 +51,34 @@ public: /* * maps memory from ashmem, with the given name for debugging - * if the READ_ONLY flag is set, the memory will be writeable by the calling process, - * but not by others. this is NOT the case with the other ctors. */ explicit MemoryHeapBase(size_t size, uint32_t flags = 0, char const* name = nullptr); virtual ~MemoryHeapBase(); /* implement IMemoryHeap interface */ - int getHeapID() const override; + virtual int getHeapID() const; /* virtual address of the heap. returns MAP_FAILED in case of error */ - void* getBase() const override; + virtual void* getBase() const; - size_t getSize() const override; - uint32_t getFlags() const override; - off_t getOffset() const override; + virtual size_t getSize() const; + virtual uint32_t getFlags() const; + off_t getOffset() const override; 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 == nullptr) + mDevice = device; + return mDevice ? NO_ERROR : ALREADY_EXISTS; + } + protected: MemoryHeapBase(); // init() takes ownership of fd @@ -79,7 +86,7 @@ protected: int flags = 0, const char* device = nullptr); private: - status_t mapfd(int fd, bool writeableByCaller, size_t size, off_t offset = 0); + status_t mapfd(int fd, size_t size, off_t offset = 0); int mFD; size_t mSize; @@ -92,3 +99,5 @@ private: // --------------------------------------------------------------------------- } // namespace android + +#endif // ANDROID_MEMORY_HEAP_BASE_H |