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Code Issues Releases Activity

Try to handle uncaught c++ exception on Windows and create crashdump

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This commit is contained in:
Ivan Savenko
2024-06-05 20:49:54 +00:00
parent 861ed7667d
commit 79d568b17b
1 changed files with 64 additions and 28 deletions
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92
lib/CConsoleHandler.cpp
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@@ -109,7 +109,69 @@ const char* exceptionName(DWORD exc)
#undef EXC_CASE
}
static void createMemoryDump(MINIDUMP_EXCEPTION_INFORMATION * meinfo)
{
//create file where dump will be placed
char *mname = nullptr;
char buffer[MAX_PATH + 1];
HMODULE hModule = nullptr;
GetModuleFileNameA(hModule, buffer, MAX_PATH);
mname = strrchr(buffer, '\\');
if (mname != nullptr)
mname++;
else
mname = buffer;
strcat(mname, "_crashinfo.dmp");
HANDLE dfile = CreateFileA(mname, GENERIC_READ|GENERIC_WRITE, FILE_SHARE_WRITE|FILE_SHARE_READ, 0, CREATE_ALWAYS, 0, 0);
logGlobal->error("Crash info will be put in %s", mname);
auto dumpType = MiniDumpWithDataSegs;
if(settings["general"]["extraDump"].Bool())
{
dumpType = (MINIDUMP_TYPE)(
MiniDumpWithFullMemory
| MiniDumpWithFullMemoryInfo
| MiniDumpWithHandleData
| MiniDumpWithUnloadedModules
| MiniDumpWithThreadInfo);
}
MiniDumpWriteDump(GetCurrentProcess(), GetCurrentProcessId(), dfile, dumpType, meinfo, 0, 0);
MessageBoxA(0, "VCMI has crashed. We are sorry. File with information about encountered problem has been created.", "VCMI Crashhandler", MB_OK | MB_ICONERROR);
}
static void onTerminate()
{
logGlobal->error("Disaster happened.");
try
{
std::exception_ptr eptr{std::current_exception()};
if (eptr)
{
std::rethrow_exception(eptr);
}
else
{
logGlobal->error("...but no current exception found!");
}
}
catch (const std::exception& exc)
{
logGlobal->error("Reason: %s", exc.what());
}
catch (...)
{
logGlobal->error("Reason: unknown exception!");
}
const DWORD threadId = ::GetCurrentThreadId();
logGlobal->error("Thread ID: %d", threadId);
createMemoryDump(nullptr);
std::abort();
}
LONG WINAPI onUnhandledException(EXCEPTION_POINTERS* exception)
{
@@ -128,35 +190,8 @@ LONG WINAPI onUnhandledException(EXCEPTION_POINTERS* exception)
//exception info to be placed in the dump
MINIDUMP_EXCEPTION_INFORMATION meinfo = {threadId, exception, TRUE};
//create file where dump will be placed
char *mname = nullptr;
char buffer[MAX_PATH + 1];
HMODULE hModule = nullptr;
GetModuleFileNameA(hModule, buffer, MAX_PATH);
mname = strrchr(buffer, '\\');
if (mname != nullptr)
mname++;
else
mname = buffer;
createMemoryDump(&meinfo);
strcat(mname, "_crashinfo.dmp");
HANDLE dfile = CreateFileA(mname, GENERIC_READ|GENERIC_WRITE, FILE_SHARE_WRITE|FILE_SHARE_READ, 0, CREATE_ALWAYS, 0, 0);
logGlobal->error("Crash info will be put in %s", mname);
auto dumpType = MiniDumpWithDataSegs;
if(settings["general"]["extraDump"].Bool())
{
dumpType = (MINIDUMP_TYPE)(
MiniDumpWithFullMemory
| MiniDumpWithFullMemoryInfo
| MiniDumpWithHandleData
| MiniDumpWithUnloadedModules
| MiniDumpWithThreadInfo);
}
MiniDumpWriteDump(GetCurrentProcess(), GetCurrentProcessId(), dfile, dumpType, &meinfo, 0, 0);
MessageBoxA(0, "VCMI has crashed. We are sorry. File with information about encountered problem has been created.", "VCMI Crashhandler", MB_OK | MB_ICONERROR);
return EXCEPTION_EXECUTE_HANDLER;
}
#endif
@@ -254,6 +289,7 @@ CConsoleHandler::CConsoleHandler():
defErrColor = csbi.wAttributes;
#ifndef _DEBUG
SetUnhandledExceptionFilter(onUnhandledException);
std::set_terminate(onTerminate);
#endif
#else
defColor = "\x1b[0m";