Added cmdline params for crashdump detailness.
Win32-only, also fixed the call scripts. Fixes #2184.
This commit is contained in:
Mattes D
parent
a42daecd0b
commit
a0a8e78c0d
@ -1 +1 @@
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MCServer /cdf
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MCServer --crash-dump-full
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@ -1 +1 @@
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MCServer /cdg
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MCServer --crash-dump-globals
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171
src/main.cpp
171
src/main.cpp
@ -39,7 +39,7 @@ bool cRoot::m_RunAsService = false;
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#if defined(_WIN32)
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SERVICE_STATUS_HANDLE g_StatusHandle = NULL;
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SERVICE_STATUS_HANDLE g_StatusHandle = nullptr;
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HANDLE g_ServiceThread = INVALID_HANDLE_VALUE;
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#define SERVICE_NAME "MCServerService"
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#endif
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@ -145,7 +145,7 @@ Its purpose is to create the crashdump using the dbghlp DLLs
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*/
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LONG WINAPI LastChanceExceptionFilter(__in struct _EXCEPTION_POINTERS * a_ExceptionInfo)
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{
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char * newStack = &g_ExceptionStack[sizeof(g_ExceptionStack)];
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char * newStack = &g_ExceptionStack[sizeof(g_ExceptionStack) - 1];
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char * oldStack;
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// Use the substitute stack:
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@ -249,6 +249,7 @@ void universalMain(std::unique_ptr<cSettingsRepositoryInterface> overridesRepo)
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#if defined(_WIN32)
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////////////////////////////////////////////////////////////////////////////////
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// serviceWorkerThread: Keep the service alive
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@ -266,6 +267,7 @@ DWORD WINAPI serviceWorkerThread(LPVOID lpParam)
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////////////////////////////////////////////////////////////////////////////////
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// serviceSetState: Set the internal status of the service
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@ -319,14 +321,10 @@ void WINAPI serviceCtrlHandler(DWORD CtrlCode)
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void WINAPI serviceMain(DWORD argc, TCHAR *argv[])
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{
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#if defined(_DEBUG) && defined(DEBUG_SERVICE_STARTUP)
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Sleep(10000);
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#endif
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char applicationFilename[MAX_PATH];
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char applicationDirectory[MAX_PATH];
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GetModuleFileName(NULL, applicationFilename, sizeof(applicationFilename)); // This binary's file path.
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GetModuleFileName(nullptr, applicationFilename, sizeof(applicationFilename)); // This binary's file path.
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// Strip off the filename, keep only the path:
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strncpy_s(applicationDirectory, sizeof(applicationDirectory), applicationFilename, (strrchr(applicationFilename, '\\') - applicationFilename));
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@ -337,8 +335,7 @@ void WINAPI serviceMain(DWORD argc, TCHAR *argv[])
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SetCurrentDirectory(applicationDirectory);
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g_StatusHandle = RegisterServiceCtrlHandler(SERVICE_NAME, serviceCtrlHandler);
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if (g_StatusHandle == NULL)
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if (g_StatusHandle == nullptr)
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{
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OutputDebugStringA("RegisterServiceCtrlHandler() failed\n");
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serviceSetState(0, SERVICE_STOPPED, GetLastError());
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@ -347,8 +344,9 @@ void WINAPI serviceMain(DWORD argc, TCHAR *argv[])
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serviceSetState(SERVICE_ACCEPT_STOP, SERVICE_RUNNING, 0);
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g_ServiceThread = CreateThread(NULL, 0, serviceWorkerThread, NULL, 0, NULL);
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if (g_ServiceThread == NULL)
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DWORD ThreadID;
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g_ServiceThread = CreateThread(nullptr, 0, serviceWorkerThread, nullptr, 0, &ThreadID);
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if (g_ServiceThread == nullptr)
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{
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OutputDebugStringA("CreateThread() failed\n");
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serviceSetState(0, SERVICE_STOPPED, GetLastError());
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@ -364,50 +362,39 @@ void WINAPI serviceMain(DWORD argc, TCHAR *argv[])
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std::unique_ptr<cMemorySettingsRepository> parseArguments(int argc, char **argv)
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{
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try
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{
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// Parse the comand line args:
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TCLAP::CmdLine cmd("MCServer");
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TCLAP::ValueArg<int> slotsArg("s", "max-players", "Maximum number of slots for the server to use, overrides setting in setting.ini", false, -1, "number", cmd);
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TCLAP::MultiArg<int> portsArg("p", "port", "The port number the server should listen to", false, "port", cmd);
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TCLAP::SwitchArg commLogArg("", "log-comm", "Log server client communications to file", cmd);
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TCLAP::SwitchArg commLogInArg("", "log-comm-in", "Log inbound server client communications to file", cmd);
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TCLAP::SwitchArg commLogOutArg("", "log-comm-out", "Log outbound server client communications to file", cmd);
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TCLAP::SwitchArg noBufArg("", "no-output-buffering", "Disable output buffering", cmd);
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TCLAP::SwitchArg runAsServiceArg("d", "run-as-service", "Run as a service on Windows", cmd);
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cmd.ignoreUnmatched(true);
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TCLAP::ValueArg<int> slotsArg ("s", "max-players", "Maximum number of slots for the server to use, overrides setting in setting.ini", false, -1, "number", cmd);
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TCLAP::MultiArg<int> portsArg ("p", "port", "The port number the server should listen to", false, "port", cmd);
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TCLAP::SwitchArg commLogArg ("", "log-comm", "Log server client communications to file", cmd);
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TCLAP::SwitchArg commLogInArg ("", "log-comm-in", "Log inbound server client communications to file", cmd);
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TCLAP::SwitchArg commLogOutArg ("", "log-comm-out", "Log outbound server client communications to file", cmd);
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TCLAP::SwitchArg crashDumpFull ("", "crash-dump-full", "Crashdumps created by the server will contain full server memory", cmd);
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TCLAP::SwitchArg crashDumpGlobals("", "crash-dump-globals", "Crashdumps created by the server will contain the global variables' values", cmd);
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TCLAP::SwitchArg noBufArg ("", "no-output-buffering", "Disable output buffering", cmd);
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TCLAP::SwitchArg runAsServiceArg ("d", "run-as-service", "Run as a service on Windows", cmd);
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cmd.parse(argc, argv);
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// Copy the parsed args' values into a settings repository:
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auto repo = cpp14::make_unique<cMemorySettingsRepository>();
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if (slotsArg.isSet())
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{
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int slots = slotsArg.getValue();
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repo->AddValue("Server", "MaxPlayers", static_cast<Int64>(slots));
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}
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if (portsArg.isSet())
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{
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std::vector<int> ports = portsArg.getValue();
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for (auto port : ports)
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for (auto port: portsArg.getValue())
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{
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repo->AddValue("Server", "Port", static_cast<Int64>(port));
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}
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}
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if (commLogArg.getValue())
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{
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g_ShouldLogCommIn = true;
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@ -418,115 +405,111 @@ std::unique_ptr<cMemorySettingsRepository> parseArguments(int argc, char **argv)
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g_ShouldLogCommIn = commLogInArg.getValue();
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g_ShouldLogCommOut = commLogOutArg.getValue();
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}
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if (noBufArg.getValue())
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{
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setvbuf(stdout, nullptr, _IONBF, 0);
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}
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repo->SetReadOnly();
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// Set the service flag directly to cRoot:
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if (runAsServiceArg.getValue())
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{
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cRoot::m_RunAsService = true;
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}
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repo->SetReadOnly();
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// Apply the CrashDump flags for platforms that support them:
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#if defined(_WIN32) && !defined(_WIN64) && defined(_MSC_VER) // 32-bit Windows app compiled in MSVC
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if (crashDumpGlobals.getValue())
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{
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g_DumpFlags = static_cast<MINIDUMP_TYPE>(g_DumpFlags | MiniDumpWithDataSegs);
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}
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if (crashDumpFull.getValue())
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{
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g_DumpFlags = static_cast<MINIDUMP_TYPE>(g_DumpFlags | MiniDumpWithFullMemory);
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}
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#endif // 32-bit Windows app compiled in MSVC
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return repo;
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}
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catch (TCLAP::ArgException &e)
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catch (const TCLAP::ArgException & exc)
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{
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printf("error reading command line %s for arg %s", e.error().c_str(), e.argId().c_str());
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printf("Error reading command line %s for arg %s", exc.error().c_str(), exc.argId().c_str());
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return cpp14::make_unique<cMemorySettingsRepository>();
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}
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}
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////////////////////////////////////////////////////////////////////////////////
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// main:
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int main(int argc, char **argv)
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{
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#if defined(_MSC_VER) && defined(_DEBUG) && defined(ENABLE_LEAK_FINDER)
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InitLeakFinder();
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InitLeakFinder();
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#endif
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// Magic code to produce dump-files on Windows if the server crashes:
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#if defined(_WIN32) && !defined(_WIN64) && defined(_MSC_VER)
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HINSTANCE hDbgHelp = LoadLibrary("DBGHELP.DLL");
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g_WriteMiniDump = (pMiniDumpWriteDump)GetProcAddress(hDbgHelp, "MiniDumpWriteDump");
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if (g_WriteMiniDump != nullptr)
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{
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_snprintf_s(g_DumpFileName, ARRAYCOUNT(g_DumpFileName), _TRUNCATE, "crash_mcs_%x.dmp", GetCurrentProcessId());
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SetUnhandledExceptionFilter(LastChanceExceptionFilter);
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// Parse arguments for minidump flags:
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for (int i = 0; i < argc; i++)
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#if defined(_WIN32) && !defined(_WIN64) && defined(_MSC_VER) // 32-bit Windows app compiled in MSVC
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HINSTANCE hDbgHelp = LoadLibrary("DBGHELP.DLL");
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g_WriteMiniDump = (pMiniDumpWriteDump)GetProcAddress(hDbgHelp, "MiniDumpWriteDump");
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if (g_WriteMiniDump != nullptr)
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{
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if (_stricmp(argv[i], "/cdg") == 0)
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{
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// Add globals to the dump
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g_DumpFlags = (MINIDUMP_TYPE)(g_DumpFlags | MiniDumpWithDataSegs);
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}
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else if (_stricmp(argv[i], "/cdf") == 0)
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{
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// Add full memory to the dump (HUUUGE file)
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g_DumpFlags = (MINIDUMP_TYPE)(g_DumpFlags | MiniDumpWithFullMemory);
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}
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} // for i - argv[]
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}
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#endif // _WIN32 && !_WIN64
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_snprintf_s(g_DumpFileName, ARRAYCOUNT(g_DumpFileName), _TRUNCATE, "crash_mcs_%x.dmp", GetCurrentProcessId());
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SetUnhandledExceptionFilter(LastChanceExceptionFilter);
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}
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#endif // 32-bit Windows app compiled in MSVC
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// End of dump-file magic
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#if defined(_DEBUG) && defined(_MSC_VER)
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_CrtSetDbgFlag ( _CRTDBG_ALLOC_MEM_DF | _CRTDBG_LEAK_CHECK_DF);
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_CrtSetDbgFlag ( _CRTDBG_ALLOC_MEM_DF | _CRTDBG_LEAK_CHECK_DF);
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// _X: The simple built-in CRT leak finder - simply break when allocating the Nth block ({N} is listed in the leak output)
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// Only useful when the leak is in the same sequence all the time
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// _CrtSetBreakAlloc(85950);
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// _X: The simple built-in CRT leak finder - simply break when allocating the Nth block ({N} is listed in the leak output)
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// Only useful when the leak is in the same sequence all the time
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// _CrtSetBreakAlloc(85950);
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#endif // _DEBUG && _MSC_VER
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#ifndef _DEBUG
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std::signal(SIGSEGV, NonCtrlHandler);
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std::signal(SIGTERM, NonCtrlHandler);
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std::signal(SIGINT, NonCtrlHandler);
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std::signal(SIGABRT, NonCtrlHandler);
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#ifdef SIGABRT_COMPAT
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std::signal(SIGABRT_COMPAT, NonCtrlHandler);
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#endif // SIGABRT_COMPAT
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std::signal(SIGSEGV, NonCtrlHandler);
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std::signal(SIGTERM, NonCtrlHandler);
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std::signal(SIGINT, NonCtrlHandler);
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std::signal(SIGABRT, NonCtrlHandler);
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#ifdef SIGABRT_COMPAT
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std::signal(SIGABRT_COMPAT, NonCtrlHandler);
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#endif // SIGABRT_COMPAT
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#endif
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// DEBUG: test the dumpfile creation:
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// *((int *)0) = 0;
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auto argsRepo = parseArguments(argc, argv);
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#if defined(_WIN32)
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// Attempt to run as a service
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if (cRoot::m_RunAsService)
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{
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SERVICE_TABLE_ENTRY ServiceTable[] =
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// Attempt to run as a service
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if (cRoot::m_RunAsService)
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{
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{ SERVICE_NAME, (LPSERVICE_MAIN_FUNCTION)serviceMain },
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{ NULL, NULL }
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};
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SERVICE_TABLE_ENTRY ServiceTable[] =
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{
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{ SERVICE_NAME, (LPSERVICE_MAIN_FUNCTION)serviceMain },
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{ nullptr, nullptr }
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};
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if (StartServiceCtrlDispatcher(ServiceTable) == FALSE)
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{
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LOGERROR("Attempted, but failed, service startup.");
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return GetLastError();
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if (StartServiceCtrlDispatcher(ServiceTable) == FALSE)
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{
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LOGERROR("Attempted, but failed, service startup.");
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return GetLastError();
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}
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}
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}
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else
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else
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#endif
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{
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// Not running as a service, do normal startup
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// Not running as a Windows service, do normal startup
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universalMain(std::move(argsRepo));
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}
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#if defined(_MSC_VER) && defined(_DEBUG) && defined(ENABLE_LEAK_FINDER)
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DeinitLeakFinder();
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DeinitLeakFinder();
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#endif
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return EXIT_SUCCESS;
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