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~ fixed shared memory access error

This commit is contained in:
Julian Hinxlage 2019-11-27 11:40:54 +01:00
parent cc7e3e09ad
commit 23b5224946
3 changed files with 8 additions and 2 deletions
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5
src/SharedMemoryAccess.cpp
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@ -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;
}
}

1
src/internal.hpp
View File

@ -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;

4
src/vkvm.cpp
View File

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