~ fixed shared memory access error

src/SharedMemoryAccess.cpp

@@ -75,6 +75,9 @@ namespace vkvm {
     }
 
     auto getSharedMemory() -> char * {
+        if(impl.sharedMemory != nullptr){
+            return impl.sharedMemory;
+        }
         int shmId = shmget(impl.sharedMemoryKey, 0, 0);
         if (shmId < 0) {
             //using a local buffer for shared memory testing
@@ -82,8 +85,10 @@ namespace vkvm {
         }
         char *ptr =  static_cast<char *>(shmat(shmId, nullptr, 0));
         if((size_t)ptr == (size_t)-1){
+            log(LogLevel::WARNING, strerror(errno));
             return getLocalMemory();
         }else{
+            impl.sharedMemory = ptr;
             return ptr;
         }
     }

src/internal.hpp

@@ -59,6 +59,7 @@ constexpr int keyboardBufferSize = 16;
         int reservedSize = 1024; //NOLINT
         std::vector<std::function<void()>> eventTable;
         bool localMemoryWarn = true;
+        char *sharedMemory = nullptr;
     };
 
     extern Impl impl;

src/vkvm.cpp

@@ -22,8 +22,8 @@ namespace vkvm {
             setMode(GraphicMode::RGB);
             setCharactersPerRow(60);// NOLINT
             setCharactersPerColumn(20);// NOLINT
-            setHeight(600);// NOLINT
+            setHeight(60);// NOLINT
-            setWidth(800);// NOLINT
+            setWidth(80);// NOLINT
             setMousePosition(42, 42);// NOLINT
             setBackgroundColor(black);
             setForegroundColor(white);