~ fixed semaphore error

src/SharedMemoryAccess.h

@@ -5,6 +5,7 @@
 #ifndef LIBRARY_SHAREDMEMORYACCESSS_H
 #define LIBRARY_SHAREDMEMORYACCESSS_H
 
+int initSemaphore();
 
 /**
  * use lock and unlock when writing

src/vkvm.cpp

@@ -10,6 +10,7 @@ void initialize(int pid) {
     impl.sharedMemoryPid = pid;
     impl.sharedMemoryKey = 12345;// NOLINT
     impl.sharedMemorySize = 8000;// NOLINT
+    initSemaphore();
     setDefaultValues();
 }