//
// Created by Cigerxwin  Chaker on 05.11.19.
//

#ifndef LIBRARY_SHAREDMEMORYACCESSS_H
#define LIBRARY_SHAREDMEMORYACCESSS_H

#define PERM 0666      /* Zugriffsrechte */
#define LOCK       -1
#define UNLOCK      1
#define SEM_KEY  123458L

int memoryAccessKey; /* var type is int. but could be another type. */ //TODO: look after type in sharedmemory group
int semId;
struct sembuf semaphore;
int initSemaphore (void);
int semaphoreOperation (int op);
char* getShmPointer(void);
void writeToShm(char* text, int size);

#endif //LIBRARY_SHAREDMEMORYACCESSS_H