shared memory access hinzugefügt

src/SharedMemoryAccess.cpp

@@ -42,7 +42,7 @@ int semaphoreOperation (int op) {
 }
 
 void writeToShm(char* text, int size) {
-    int shmId = shmget(memoryAccessKey, NULL, 0);
+    int shmId = shmget(memoryAccessKey, NULL, 0); // dont init just get the ID if already existing.
     if(shmId < 0 ) {
         exit(EXIT_FAILURE);
         /* we could return -1, not sure if it will be useful to continue after there is no shm allocated for any reason*/