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#ifndef ANDROIDSHM
#define ANDROIDSHM
#include <binder/Parcel.h>
#include "BnAndroidShm.h"
#include <utils/Log.h>
#include <binder/MemoryHeapBase.h>
#include "shm.h"
#include "android/Shm.h" //android extension of shm.h
namespace android {
class AndroidShm : public BnAndroidShm
{
#define MAX_SHARED_MEMORY_COUNT 257
private:
int MemAlloc(unsigned int size);
public:
virtual ~AndroidShm();
static int instantiate();
virtual int sendCommand(const char* command);
virtual int allocShm(const int size); // if negative return value is error
virtual int removeShm(const unsigned int index); // shared memory 제거
virtual int isAllocated(const unsigned int index); // allocated 여부 확인
virtual int setRegistryIndex(const unsigned int index);
virtual int getRegistryIndex();
virtual sp<IMemoryHeap> InitSemaphore(const char* name);
virtual sp<IMemoryHeap> getBuffer(int index);
//virtual status_t onTransact(
// uint32_t code,
// const Parcel& data,
// Parcel* reply,
// uint32_t flags);
private:
int testGetBuffer();
int testGetBufferByNewProcess();
AndroidShm();
sp<MemoryHeapBase> mMemHeap[MAX_SHARED_MEMORY_COUNT];
unsigned int mRegistryIndex;
// for named semaphore simulation
#define MAX_SEMAPHORE_MEMORY_COUNT 300
#define MAX_SEMAPHORE_NAME_LENGTH 300
sp<MemoryHeapBase> mSemaphore[MAX_SEMAPHORE_MEMORY_COUNT];
char mSemaphoreName[MAX_SEMAPHORE_MEMORY_COUNT][MAX_SEMAPHORE_NAME_LENGTH];
};
};
#endif
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