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Extracted functions for MapPersistedMemory and UnmapPersistedMemory

This commit is contained in:
PatrickvL 2019-07-12 18:17:23 +02:00 committed by RadWolfie
parent 1485d9c82b
commit 79a3a8d9a6
1 changed files with 31 additions and 16 deletions
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47
src/gui/WndMain.cpp
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@ -65,9 +65,36 @@
static int gameLogoWidth, gameLogoHeight;
static int splashLogoWidth, splashLogoHeight;
static HANDLE hPersistedMemory = NULL;
static LPVOID PersistedMemoryAddr = nullptr;
void MapPersistedMemory()
{
assert(((hPersistedMemory == NULL) == (PersistedMemoryAddr == nullptr)) && "Persistent memory handle and address must both be unset (or already set)!");
if (hPersistedMemory == NULL) {
hPersistedMemory = OpenFileMapping(FILE_MAP_READ, FALSE, "PersistentMemory");
assert(hPersistedMemory != NULL);
PersistedMemoryAddr = MapViewOfFile(hPersistedMemory, FILE_MAP_READ, 0, 0, 0);
assert(PersistedMemoryAddr != nullptr);
}
}
void UnmapPersistedMemory()
{
assert(((hPersistedMemory != NULL) == (PersistedMemoryAddr != nullptr)) && "Persistent memory handle and address must both be set (or already unset)!");
if (hPersistedMemory != NULL) {
UnmapViewOfFile(PersistedMemoryAddr);
PersistedMemoryAddr = nullptr;
CloseHandle(hPersistedMemory);
hPersistedMemory = NULL;
}
}
bool g_SaveOnExit = true;
void ClearSymbolCache(const char sStorageLocation[MAX_PATH])
@ -355,16 +382,9 @@ LRESULT CALLBACK WndMain::WndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lP
case ID_GUI_VM_PERSIST_MEM: {
if (lParam) {
hPersistedMemory = OpenFileMapping(FILE_MAP_READ, FALSE, "PersistentMemory");
assert(hPersistedMemory != NULL);
PersistedMemoryAddr = MapViewOfFile(hPersistedMemory, FILE_MAP_READ, 0, 0, 0);
assert(PersistedMemoryAddr != nullptr);
}
else {
UnmapViewOfFile(PersistedMemoryAddr);
CloseHandle(hPersistedMemory);
PersistedMemoryAddr = nullptr;
hPersistedMemory = NULL;
MapPersistedMemory();
} else {
UnmapPersistedMemory();
}
}
break;
@ -2343,12 +2363,7 @@ void WndMain::CrashMonitor(DWORD dwChildProcID)
g_EmuShared->GetBootFlags(&iBootFlags);
if (!iBootFlags) {
if (hPersistedMemory != NULL) {
UnmapViewOfFile(PersistedMemoryAddr);
CloseHandle(hPersistedMemory);
PersistedMemoryAddr = nullptr;
hPersistedMemory = NULL;
}
UnmapPersistedMemory();
if (dwExitCode == EXIT_SUCCESS) {// StopEmulation
return;
}