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bring back windows dumps

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shweet
2026-01-14 19:25:12 -05:00
parent 3b551abb8a
commit b90c15eab4
1 changed files with 75 additions and 0 deletions
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75
src/loader.cpp
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@@ -37,6 +37,77 @@ namespace anm2ed
constexpr int SOCKET_ERROR_ADDRESS_IN_USE = EADDRINUSE;
#endif
#ifdef _WIN32
std::filesystem::path g_minidump_dir{};
PVOID g_vectored_handler{};
LONG g_dump_in_progress{};
void windows_minidump_write(EXCEPTION_POINTERS* exceptionPointers)
{
if (g_minidump_dir.empty()) return;
if (InterlockedExchange(&g_dump_in_progress, 1) != 0) return;
SYSTEMTIME st{};
GetLocalTime(&st);
auto pid = GetCurrentProcessId();
auto code = exceptionPointers && exceptionPointers->ExceptionRecord
? exceptionPointers->ExceptionRecord->ExceptionCode
: 0u;
auto filename = std::format("anm2ed_{:04}{:02}{:02}_{:02}{:02}{:02}_pid{:08x}_code{:08x}.dmp", st.wYear, st.wMonth,
st.wDay, st.wHour, st.wMinute, st.wSecond, pid, code);
auto dumpPath = g_minidump_dir / path::from_utf8(filename);
auto dumpPathW = dumpPath.wstring();
HANDLE file = CreateFileW(dumpPathW.c_str(), GENERIC_WRITE, FILE_SHARE_READ, nullptr, CREATE_ALWAYS,
FILE_ATTRIBUTE_NORMAL, nullptr);
if (file == INVALID_HANDLE_VALUE) return;
MINIDUMP_EXCEPTION_INFORMATION mei{};
mei.ThreadId = GetCurrentThreadId();
mei.ExceptionPointers = exceptionPointers;
mei.ClientPointers = FALSE;
const MINIDUMP_TYPE dumpType = static_cast<MINIDUMP_TYPE>(MiniDumpNormal | MiniDumpWithIndirectlyReferencedMemory |
MiniDumpWithThreadInfo | MiniDumpWithUnloadedModules);
MiniDumpWriteDump(GetCurrentProcess(), pid, file, dumpType, exceptionPointers ? &mei : nullptr, nullptr, nullptr);
FlushFileBuffers(file);
CloseHandle(file);
}
LONG WINAPI windows_unhandled_exception_filter(EXCEPTION_POINTERS* exceptionPointers)
{
windows_minidump_write(exceptionPointers);
return EXCEPTION_EXECUTE_HANDLER;
}
LONG CALLBACK windows_vectored_exception_handler(EXCEPTION_POINTERS* exceptionPointers)
{
windows_minidump_write(exceptionPointers);
return EXCEPTION_CONTINUE_SEARCH;
}
void windows_minidumps_configure()
{
auto prefDir = sdl::preferences_directory_get();
if (prefDir.empty()) return;
std::error_code ec{};
auto dumpDir = prefDir / "crash";
std::filesystem::create_directories(dumpDir, ec);
if (ec) return;
g_minidump_dir = dumpDir;
if (!g_vectored_handler) g_vectored_handler = AddVectoredExceptionHandler(1, windows_vectored_exception_handler);
SetUnhandledExceptionFilter(windows_unhandled_exception_filter);
logger.info(std::format("MiniDumpWriteDump enabled: {}", path::to_utf8(dumpDir)));
}
#endif
bool socket_paths_send(Socket& socket, const std::vector<std::string>& paths)
{
uint32_t count = htonl(static_cast<uint32_t>(paths.size()));
@@ -135,6 +206,10 @@ namespace anm2ed
logger.info("Initialized SDL");
#ifdef _WIN32
windows_minidumps_configure();
#endif
auto windowProperties = SDL_CreateProperties();
if (windowProperties == 0)