37 #pragma comment(lib, "psapi.lib")
39 #if (HAVE_LIBPSAPI != 1)
40 #error "libpsapi.a should be present"
50 #pragma GCC diagnostic ignored "-Wformat"
51 #pragma GCC diagnostic ignored "-Wformat-extra-args"
53 #if !defined(__MINGW64_VERSION_MAJOR)
58 typedef struct _IMAGEHLP_LINE64 {
64 } IMAGEHLP_LINE64, *PIMAGEHLP_LINE64;
66 typedef struct _IMAGEHLP_SYMBOL64 {
73 } IMAGEHLP_SYMBOL64, *PIMAGEHLP_SYMBOL64;
75 typedef struct _tagADDRESS64 {
79 } ADDRESS64, *LPADDRESS64;
81 typedef struct _KDHELP64 {
83 DWORD ThCallbackStack;
84 DWORD ThCallbackBStore;
87 DWORD64 KiCallUserMode;
88 DWORD64 KeUserCallbackDispatcher;
89 DWORD64 SystemRangeStart;
90 DWORD64 KiUserExceptionDispatcher;
94 } KDHELP64, *PKDHELP64;
96 typedef struct _tagSTACKFRAME64 {
101 ADDRESS64 AddrBStore;
102 PVOID FuncTableEntry;
108 } STACKFRAME64, *LPSTACKFRAME64;
109 #endif // !defined(__MINGW64_VERSION_MAJOR)
110 #endif // __MINGW32__
112 typedef BOOL (__stdcall *PREAD_PROCESS_MEMORY_ROUTINE64)(HANDLE hProcess,
113 DWORD64 qwBaseAddress, PVOID lpBuffer,
DWORD nSize,
114 LPDWORD lpNumberOfBytesRead);
116 typedef PVOID (__stdcall *PFUNCTION_TABLE_ACCESS_ROUTINE64)( HANDLE ahProcess,
119 typedef DWORD64 (__stdcall *PGET_MODULE_BASE_ROUTINE64)(HANDLE hProcess,
122 typedef DWORD64 (__stdcall *PTRANSLATE_ADDRESS_ROUTINE64)(HANDLE hProcess,
123 HANDLE hThread, LPADDRESS64 lpaddr);
125 typedef BOOL(WINAPI *fpMiniDumpWriteDump)(HANDLE,
DWORD, HANDLE, MINIDUMP_TYPE,
126 PMINIDUMP_EXCEPTION_INFORMATION,
127 PMINIDUMP_USER_STREAM_INFORMATION,
128 PMINIDUMP_CALLBACK_INFORMATION);
129 static fpMiniDumpWriteDump fMiniDumpWriteDump;
131 typedef BOOL (WINAPI *fpStackWalk64)(
DWORD, HANDLE, HANDLE, LPSTACKFRAME64,
132 PVOID, PREAD_PROCESS_MEMORY_ROUTINE64,
133 PFUNCTION_TABLE_ACCESS_ROUTINE64,
134 PGET_MODULE_BASE_ROUTINE64,
135 PTRANSLATE_ADDRESS_ROUTINE64);
136 static fpStackWalk64 fStackWalk64;
138 typedef DWORD64 (WINAPI *fpSymGetModuleBase64)(HANDLE, DWORD64);
139 static fpSymGetModuleBase64 fSymGetModuleBase64;
141 typedef BOOL (WINAPI *fpSymGetSymFromAddr64)(HANDLE, DWORD64,
142 PDWORD64, PIMAGEHLP_SYMBOL64);
143 static fpSymGetSymFromAddr64 fSymGetSymFromAddr64;
145 typedef BOOL (WINAPI *fpSymGetLineFromAddr64)(HANDLE, DWORD64,
146 PDWORD, PIMAGEHLP_LINE64);
147 static fpSymGetLineFromAddr64 fSymGetLineFromAddr64;
149 typedef BOOL(WINAPI *fpSymGetModuleInfo64)(HANDLE hProcess, DWORD64 dwAddr,
150 PIMAGEHLP_MODULE64 ModuleInfo);
151 static fpSymGetModuleInfo64 fSymGetModuleInfo64;
153 typedef PVOID (WINAPI *fpSymFunctionTableAccess64)(HANDLE, DWORD64);
154 static fpSymFunctionTableAccess64 fSymFunctionTableAccess64;
156 typedef DWORD (WINAPI *fpSymSetOptions)(
DWORD);
157 static fpSymSetOptions fSymSetOptions;
159 typedef BOOL (WINAPI *fpSymInitialize)(HANDLE, PCSTR, BOOL);
160 static fpSymInitialize fSymInitialize;
162 typedef BOOL (WINAPI *fpEnumerateLoadedModules)(HANDLE,PENUMLOADED_MODULES_CALLBACK64,PVOID);
163 static fpEnumerateLoadedModules fEnumerateLoadedModules;
165 static bool load64BitDebugHelp(
void) {
166 HMODULE hLib = ::LoadLibraryW(
L"Dbghelp.dll");
168 fMiniDumpWriteDump = (fpMiniDumpWriteDump)
169 ::GetProcAddress(hLib,
"MiniDumpWriteDump");
170 fStackWalk64 = (fpStackWalk64)
171 ::GetProcAddress(hLib,
"StackWalk64");
172 fSymGetModuleBase64 = (fpSymGetModuleBase64)
173 ::GetProcAddress(hLib,
"SymGetModuleBase64");
174 fSymGetSymFromAddr64 = (fpSymGetSymFromAddr64)
175 ::GetProcAddress(hLib,
"SymGetSymFromAddr64");
176 fSymGetLineFromAddr64 = (fpSymGetLineFromAddr64)
177 ::GetProcAddress(hLib,
"SymGetLineFromAddr64");
178 fSymGetModuleInfo64 = (fpSymGetModuleInfo64)
179 ::GetProcAddress(hLib,
"SymGetModuleInfo64");
180 fSymFunctionTableAccess64 = (fpSymFunctionTableAccess64)
181 ::GetProcAddress(hLib,
"SymFunctionTableAccess64");
182 fSymSetOptions = (fpSymSetOptions)::GetProcAddress(hLib,
"SymSetOptions");
183 fSymInitialize = (fpSymInitialize)::GetProcAddress(hLib,
"SymInitialize");
184 fEnumerateLoadedModules = (fpEnumerateLoadedModules)
185 ::GetProcAddress(hLib,
"EnumerateLoadedModules64");
187 return fStackWalk64 && fSymInitialize && fSymSetOptions && fMiniDumpWriteDump;
190 using namespace llvm;
193 static LONG WINAPI LLVMUnhandledExceptionFilter(LPEXCEPTION_POINTERS ep);
194 static BOOL WINAPI LLVMConsoleCtrlHandler(
DWORD dwCtrlType);
197 static void (*InterruptFunction)() = 0;
199 static std::vector<std::string> *FilesToRemove = NULL;
200 static bool RegisteredUnhandledExceptionFilter =
false;
201 static bool CleanupExecuted =
false;
202 static PTOP_LEVEL_EXCEPTION_FILTER OldFilter = NULL;
207 static CRITICAL_SECTION CriticalSection;
208 static bool CriticalSectionInitialized =
false;
221 HANDLE hProcess, HANDLE hThread,
222 STACKFRAME64 &StackFrameOrig,
223 CONTEXT *ContextOrig) {
225 STACKFRAME64 StackFrame = StackFrameOrig;
231 CONTEXT
Context = *ContextOrig;
232 Context.ContextFlags = CONTEXT_CONTROL | CONTEXT_INTEGER;
234 static void *StackTrace[256];
236 while (fStackWalk64(NativeMachineType, hProcess, hThread, &StackFrame,
237 &Context, 0, fSymFunctionTableAccess64,
238 fSymGetModuleBase64, 0)) {
239 if (StackFrame.AddrFrame.Offset == 0)
241 StackTrace[Depth++] = (
void *)(uintptr_t)StackFrame.AddrPC.Offset;
250 struct FindModuleData {
253 const char **Modules;
259 static BOOL CALLBACK findModuleCallback(PCSTR ModuleName,
260 DWORD64 ModuleBase, ULONG ModuleSize,
262 FindModuleData *
Data = (FindModuleData*)VoidData;
265 for (
int I = 0;
I < Data->Depth;
I++) {
266 if (Data->Modules[
I])
269 if (Beg <= Addr && Addr < End) {
270 Data->Modules[
I] = Data->StrPool->save(ModuleName).data();
271 Data->Offsets[
I] = Addr - Beg;
279 const char *MainExecutableName,
281 if (!fEnumerateLoadedModules)
284 Data.StackTrace = StackTrace;
286 Data.Modules = Modules;
288 Data.StrPool = &StrPool;
289 fEnumerateLoadedModules(GetCurrentProcess(), findModuleCallback, &Data);
294 HANDLE hThread, STACKFRAME64 &StackFrame,
297 fSymSetOptions(SYMOPT_DEFERRED_LOADS | SYMOPT_LOAD_LINES);
298 fSymInitialize(hProcess, NULL, TRUE);
303 if (printStackTraceWithLLVMSymbolizer(OS, hProcess, hThread, StackFrame,
309 if (!fStackWalk64(NativeMachineType, hProcess, hThread, &StackFrame,
310 Context, 0, fSymFunctionTableAccess64,
311 fSymGetModuleBase64, 0)) {
315 if (StackFrame.AddrFrame.Offset == 0)
318 using namespace llvm;
320 DWORD64
PC = StackFrame.AddrPC.Offset;
323 #elif defined(_M_IX86)
324 OS <<
format(
"0x%08lX", static_cast<DWORD>(
PC));
329 OS <<
format(
" (0x%016llX 0x%016llX 0x%016llX 0x%016llX)",
330 StackFrame.Params[0], StackFrame.Params[1], StackFrame.Params[2],
331 StackFrame.Params[3]);
332 #elif defined(_M_IX86)
333 OS <<
format(
" (0x%08lX 0x%08lX 0x%08lX 0x%08lX)",
334 static_cast<DWORD>(StackFrame.Params[0]),
335 static_cast<DWORD>(StackFrame.Params[1]),
336 static_cast<DWORD>(StackFrame.Params[2]),
337 static_cast<DWORD>(StackFrame.Params[3]));
340 if (!fSymGetModuleBase64(hProcess,
PC)) {
341 OS <<
" <unknown module>\n";
347 IMAGEHLP_SYMBOL64 *symbol =
reinterpret_cast<IMAGEHLP_SYMBOL64 *
>(buffer);
348 memset(symbol, 0,
sizeof(IMAGEHLP_SYMBOL64));
349 symbol->SizeOfStruct =
sizeof(IMAGEHLP_SYMBOL64);
350 symbol->MaxNameLength = 512 -
sizeof(IMAGEHLP_SYMBOL64);
353 if (!fSymGetSymFromAddr64(hProcess,
PC, &dwDisp, symbol)) {
360 OS <<
format(
", %s() + 0x%llX bytes(s)", (
const char*)symbol->Name,
363 OS <<
format(
", %s", (
const char*)symbol->Name);
366 IMAGEHLP_LINE64 line = {};
368 line.SizeOfStruct =
sizeof(line);
369 if (fSymGetLineFromAddr64(hProcess,
PC, &dwLineDisp, &line)) {
370 OS <<
format(
", %s, line %lu", line.FileName, line.LineNumber);
372 OS <<
format(
" + 0x%lX byte(s)", dwLineDisp);
391 AvoidMessageBoxHook(
int ReportType,
char *Message,
int *
Return) {
403 extern "C" void HandleAbort(
int Sig) {
404 if (Sig == SIGABRT) {
409 static void InitializeThreading() {
410 if (CriticalSectionInitialized)
415 InitializeCriticalSection(&CriticalSection);
416 CriticalSectionInitialized =
true;
419 static void RegisterHandler() {
423 if (!load64BitDebugHelp()) {
424 assert(
false &&
"These APIs should always be available");
428 if (RegisteredUnhandledExceptionFilter) {
429 EnterCriticalSection(&CriticalSection);
433 InitializeThreading();
437 EnterCriticalSection(&CriticalSection);
439 RegisteredUnhandledExceptionFilter =
true;
440 OldFilter = SetUnhandledExceptionFilter(LLVMUnhandledExceptionFilter);
441 SetConsoleCtrlHandler(LLVMConsoleCtrlHandler, TRUE);
451 if (CleanupExecuted) {
453 *ErrMsg =
"Process terminating -- cannot register for removal";
457 if (FilesToRemove == NULL)
458 FilesToRemove =
new std::vector<std::string>;
460 FilesToRemove->push_back(Filename);
462 LeaveCriticalSection(&CriticalSection);
468 if (FilesToRemove == NULL)
473 std::vector<std::string>::reverse_iterator
I =
475 if (I != FilesToRemove->rend())
476 FilesToRemove->erase(I.base()-1);
478 LeaveCriticalSection(&CriticalSection);
483 signal(SIGABRT, HandleAbort);
488 _set_abort_behavior(0, _WRITE_ABORT_MSG);
490 _set_abort_behavior(0, _CALL_REPORTFAULT);
491 _CrtSetReportHook(AvoidMessageBoxHook);
495 SetErrorMode(SEM_FAILCRITICALERRORS | SEM_NOGPFAULTERRORBOX |
496 SEM_NOOPENFILEERRORBOX);
497 _set_error_mode(_OUT_TO_STDERR);
503 bool DisableCrashReporting) {
506 if (DisableCrashReporting || getenv(
"LLVM_DISABLE_CRASH_REPORT"))
511 LeaveCriticalSection(&CriticalSection);
515 #if defined(__MINGW32__) && !defined(__MINGW64_VERSION_MAJOR)
518 extern "C" VOID WINAPI RtlCaptureContext(PCONTEXT ContextRecord);
522 STACKFRAME64 StackFrame = {};
523 CONTEXT Context = {};
524 ::RtlCaptureContext(&Context);
526 StackFrame.AddrPC.Offset = Context.Rip;
527 StackFrame.AddrStack.Offset = Context.Rsp;
528 StackFrame.AddrFrame.Offset = Context.Rbp;
530 StackFrame.AddrPC.Offset = Context.Eip;
531 StackFrame.AddrStack.Offset = Context.Esp;
532 StackFrame.AddrFrame.Offset = Context.Ebp;
534 StackFrame.AddrPC.Mode = AddrModeFlat;
535 StackFrame.AddrStack.Mode = AddrModeFlat;
536 StackFrame.AddrFrame.Mode = AddrModeFlat;
537 PrintStackTraceForThread(OS, GetCurrentProcess(), GetCurrentThread(),
538 StackFrame, &Context);
544 InterruptFunction = IF;
545 LeaveCriticalSection(&CriticalSection);
555 LeaveCriticalSection(&CriticalSection);
558 static void Cleanup() {
562 EnterCriticalSection(&CriticalSection);
566 CleanupExecuted =
true;
569 if (FilesToRemove != NULL)
570 while (!FilesToRemove->empty()) {
572 FilesToRemove->pop_back();
575 LeaveCriticalSection(&CriticalSection);
583 InitializeThreading();
590 static HKEY FindWERKey(
const llvm::Twine &RegistryLocation) {
592 if (ERROR_SUCCESS != ::RegOpenKeyExA(HKEY_LOCAL_MACHINE,
593 RegistryLocation.
str().c_str(), 0,
594 KEY_QUERY_VALUE | KEY_READ, &Key))
604 static bool GetDumpFolder(HKEY Key,
611 DWORD BufferLengthBytes = 0;
613 if (ERROR_SUCCESS != ::RegGetValueW(Key, 0,
L"DumpFolder", REG_EXPAND_SZ,
614 NULL, NULL, &BufferLengthBytes))
619 if (ERROR_SUCCESS != ::RegGetValueW(Key, 0,
L"DumpFolder", REG_EXPAND_SZ,
620 NULL, Buffer.data(), &BufferLengthBytes))
623 DWORD ExpandBufferSize = ::ExpandEnvironmentStringsW(Buffer.data(), NULL, 0);
625 if (!ExpandBufferSize)
630 if (ExpandBufferSize != ::ExpandEnvironmentStringsW(Buffer.data(),
635 if (
UTF16ToUTF8(ExpandBuffer.data(), ExpandBufferSize - 1, ResultDirectory))
654 static bool GetDumpType(HKEY Key, MINIDUMP_TYPE &ResultType) {
659 DWORD TypeSize =
sizeof(DumpType);
660 if (ERROR_SUCCESS != ::RegGetValueW(Key, NULL,
L"DumpType", RRF_RT_REG_DWORD,
668 if (ERROR_SUCCESS != ::RegGetValueW(Key, NULL,
L"CustomDumpFlags",
669 RRF_RT_REG_DWORD, NULL, &Flags,
673 ResultType =
static_cast<MINIDUMP_TYPE
>(
Flags);
677 ResultType = MiniDumpNormal;
680 ResultType = MiniDumpWithFullMemory;
693 static std::error_code WINAPI
694 WriteWindowsDumpFile(PMINIDUMP_EXCEPTION_INFORMATION ExceptionInfo) {
695 using namespace llvm;
696 using namespace llvm::sys;
701 if (MainExecutableName.empty()) {
715 "SOFTWARE\\Microsoft\\Windows\\Windows Error Reporting\\LocalDumps";
719 ScopedRegHandle DefaultLocalDumpsKey(FindWERKey(LocalDumpsRegistryLocation));
725 FindWERKey(
Twine(LocalDumpsRegistryLocation) +
"\\" + ProgramName));
731 MINIDUMP_TYPE DumpType;
732 if (!GetDumpType(AppSpecificKey, DumpType))
733 if (!GetDumpType(DefaultLocalDumpsKey, DumpType))
734 DumpType = MiniDumpNormal;
741 bool ExplicitDumpDirectorySet =
true;
743 if (!GetDumpFolder(AppSpecificKey, DumpDirectory))
744 if (!GetDumpFolder(DefaultLocalDumpsKey, DumpDirectory))
745 ExplicitDumpDirectorySet =
false;
750 if (ExplicitDumpDirectorySet) {
754 Twine(DumpDirectory) +
"\\" + ProgramName +
".%%%%%%.dmp", FD,
757 }
else if (std::error_code EC =
764 if (!fMiniDumpWriteDump(::GetCurrentProcess(), ::GetCurrentProcessId(),
765 FileHandle, DumpType, ExceptionInfo, NULL, NULL))
768 llvm::errs() <<
"Wrote crash dump file \"" << DumpPath <<
"\"\n";
769 return std::error_code();
772 static LONG WINAPI LLVMUnhandledExceptionFilter(LPEXCEPTION_POINTERS ep) {
780 MINIDUMP_EXCEPTION_INFORMATION ExceptionInfo;
781 ExceptionInfo.ThreadId = ::GetCurrentThreadId();
782 ExceptionInfo.ExceptionPointers = ep;
783 ExceptionInfo.ClientPointers = FALSE;
785 if (std::error_code EC = WriteWindowsDumpFile(&ExceptionInfo))
786 llvm::errs() <<
"Could not write crash dump file: " <<
EC.message()
791 STACKFRAME64 StackFrame = {};
794 StackFrame.AddrPC.Offset = ep->ContextRecord->Rip;
795 StackFrame.AddrPC.Mode = AddrModeFlat;
796 StackFrame.AddrStack.Offset = ep->ContextRecord->Rsp;
797 StackFrame.AddrStack.Mode = AddrModeFlat;
798 StackFrame.AddrFrame.Offset = ep->ContextRecord->Rbp;
799 StackFrame.AddrFrame.Mode = AddrModeFlat;
800 #elif defined(_M_IX86)
801 StackFrame.AddrPC.Offset = ep->ContextRecord->Eip;
802 StackFrame.AddrPC.Mode = AddrModeFlat;
803 StackFrame.AddrStack.Offset = ep->ContextRecord->Esp;
804 StackFrame.AddrStack.Mode = AddrModeFlat;
805 StackFrame.AddrFrame.Offset = ep->ContextRecord->Ebp;
806 StackFrame.AddrFrame.Mode = AddrModeFlat;
809 HANDLE hProcess = GetCurrentProcess();
810 HANDLE hThread = GetCurrentThread();
811 PrintStackTraceForThread(
llvm::errs(), hProcess, hThread, StackFrame,
814 _exit(ep->ExceptionRecord->ExceptionCode);
817 static BOOL WINAPI LLVMConsoleCtrlHandler(
DWORD dwCtrlType) {
819 EnterCriticalSection(&CriticalSection);
824 void (*IF)() = InterruptFunction;
825 InterruptFunction = 0;
831 LeaveCriticalSection(&CriticalSection);
836 LeaveCriticalSection(&CriticalSection);
845 #pragma GCC diagnostic warning "-Wformat"
846 #pragma GCC diagnostic warning "-Wformat-extra-args"
std::error_code create_directories(const Twine &path, bool IgnoreExisting=true, perms Perms=owner_all|group_all)
Create all the non-existent directories in path.
raw_ostream & errs()
This returns a reference to a raw_ostream for standard error.
std::error_code createUniqueFile(const Twine &Model, int &ResultFD, SmallVectorImpl< char > &ResultPath, unsigned Mode=all_read|all_write)
Create a uniquely named file.
std::error_code remove(const Twine &path, bool IgnoreNonExisting=true)
Remove path.
static bool AreCoreFilesPrevented()
true if PreventCoreFiles has been called, false otherwise.
void DisableSystemDialogsOnCrash()
Disable all system dialog boxes that appear when the process crashes.
static bool findModulesAndOffsets(void **StackTrace, int Depth, const char **Modules, intptr_t *Offsets, const char *MainExecutableName, StringSaver &StrPool)
std::string str() const
Return the twine contents as a std::string.
struct fuzzer::@269 Flags
Twine - A lightweight data structure for efficiently representing the concatenation of temporary valu...
auto reverse(ContainerTy &&C, typename std::enable_if< has_rbegin< ContainerTy >::value >::type *=nullptr) -> decltype(make_range(C.rbegin(), C.rend()))
SmallString - A SmallString is just a SmallVector with methods and accessors that make it work better...
std::string getMainExecutable(const char *argv0, void *MainExecAddr)
Return the path to the main executable, given the value of argv[0] from program startup and the addre...
format_object< Ts...> format(const char *Fmt, const Ts &...Vals)
These are helper functions used to produce formatted output.
void PrintStackTraceOnErrorSignal(StringRef Argv0, bool DisableCrashReporting=false)
When an error signal (such as SIBABRT or SIGSEGV) is delivered to the process, print a stack trace an...
StringRef filename(StringRef path)
Get filename.
* if(!EatIfPresent(lltok::kw_thread_local)) return false
ParseOptionalThreadLocal := /*empty.
void PrintStackTrace(raw_ostream &OS)
Print the stack trace using the given raw_ostream object.
void RunInterruptHandlers()
This function runs all the registered interrupt handlers, including the removal of files registered b...
#define LLVM_ATTRIBUTE_UNUSED
std::error_code mapWindowsError(unsigned EV)
static const unsigned End
void DontRemoveFileOnSignal(StringRef Filename)
This function removes a file from the list of files to be removed on signal delivery.
std::error_code UTF16ToUTF8(const wchar_t *utf16, size_t utf16_len, SmallVectorImpl< char > &utf8)
static bool printSymbolizedStackTrace(StringRef Argv0, void **StackTrace, int Depth, llvm::raw_ostream &OS) LLVM_ATTRIBUTE_USED
Helper that launches llvm-symbolizer and symbolizes a backtrace.
static void PreventCoreFiles()
This function makes the necessary calls to the operating system to prevent core files or any other ki...
auto find(R &&Range, const T &Val) -> decltype(std::begin(Range))
Provide wrappers to std::find which take ranges instead of having to pass begin/end explicitly...
This is a 'vector' (really, a variable-sized array), optimized for the case when the array is small...
#define LLVM_BUILTIN_TRAP
LLVM_BUILTIN_UNREACHABLE - On compilers which support it, expands to an expression which states that ...
constexpr size_t array_lengthof(T(&)[N])
Find the length of an array.
bool RemoveFileOnSignal(StringRef Filename, std::string *ErrMsg=nullptr)
This function registers signal handlers to ensure that if a signal gets delivered that the named file...
Saves strings in the inheritor's stable storage and returns a StringRef with a stable character point...
Provides a library for accessing information about this process and other processes on the operating ...
std::error_code createTemporaryFile(const Twine &Prefix, StringRef Suffix, int &ResultFD, SmallVectorImpl< char > &ResultPath)
Create a file in the system temporary directory.
assert(ImpDefSCC.getReg()==AMDGPU::SCC &&ImpDefSCC.isDef())
This class implements an extremely fast bulk output stream that can only output to a stream...
StringRef - Represent a constant reference to a string, i.e.
void SetInterruptFunction(void(*IF)())
This function registers a function to be called when the user "interrupts" the program (typically by ...
static ManagedStatic< std::vector< std::pair< void(*)(void *), void * > > > CallBacksToRun
void AddSignalHandler(void(*FnPtr)(void *), void *Cookie)
AddSignalHandler - Add a function to be called when an abort/kill signal is delivered to the process...