#include <sys/mman.h>
#include <fcntl.h>
#include <semaphore.h>
#include <sys/stat.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>

#define SHAREDMEMORY_SIZE ((uint64_t)20*1024*1024)

struct SharedMemoryInfo {
    sem_t sem1;
    sem_t sem2;
    int16_t shared_framenumber;
    char BitmapData;
};