It helps developers understand what caused the crash without needing to reproduce it locally.
An infinite loop or massive local variable allocation exhausted the thread stack.
The minidump is stored locally, usually in the game's installation directory, before being uploaded to Steam (if using automated systems). Best Practices and Limitations
#ifdef _WIN32 #include #include // Global tracking or built-in ID const uint32 GAME_BUILD_VERSION = 1042; // The translator function called on an application crash void GameCrashHandler(unsigned int uExceptionCode, EXCEPTION_POINTERS* pExceptionInfo) // Step 1: Optional contextual note SteamAPI_SetMiniDumpComment("Crash occurred during Map Level 3 transition."); // Step 2: Write and upload the dump SteamAPI_WriteMiniDump(uExceptionCode, pExceptionInfo, GAME_BUILD_VERSION); // Allow the process to terminate cleanly exit(1); int main() // Initialize the primary Steamworks system if (!SteamAPI_Init()) return -1; // Steam must be running // Register our custom translator with the Windows OS runtime _set_se_translator(GameCrashHandler); // Primary Game Loop while(true) // ... Game logic here ... SteamAPI_RunCallbacks(); SteamAPI_Shutdown(); return 0; #endif Use code with caution. Key Architectural Constraints SteamAPI WriteMiniDump
Note: This article focuses on the Steamworks API function commonly used to write a mini-dump from a running process. Function names and exact signatures can vary by Steamworks SDK version; always consult the SDK headers for the precise declarations you ship with.
That night, long after the servers had gone to sleep, Eli booted an old VM and wrote a tiny script that watched minidump writes and created an immutable ledger entry whenever one succeeded. Not because he expected another failure, but because the machine’s small truths deserved a chain of custody. The ledger was quiet as the grave and just as important.
Here is a structural example of how to hook the function into a standard Windows structured exception handling (SEH) loop. It helps developers understand what caused the crash
Once upon a time in the bustling world of game development, there was a specialized tool known as SteamAPI_WriteMiniDump . While most players never see it, it is a hero in the shadows that helps developers solve the mystery of why a game suddenly "crashes to desktop". The Role of the Silent Sentry
The formal declaration of the function in the steam_api.h header file is structured as follows:
Once the user sends you the .dmp file, you need to analyze it. . Open the .dmp file (File -> Open -> File). Click "Debug with Native Only" . Key Architectural Constraints Note: This article focuses on
void MiniDumpFunction( unsigned int nExceptionCode, EXCEPTION_POINTERS *pException )
If you use a third-party crash handler (like BugSplat, Sentry, or Backtrace), you must disable Steam's automatic handler or be very careful not to call SteamAPI_WriteMiniDump while the other handler is trying to write a report, as they may lock the file.
LONG WINAPI CrashHandler(EXCEPTION_POINTERS* pExceptionInfo)