// static
void LLWinDebug::initExceptionHandler(LPTOP_LEVEL_EXCEPTION_FILTER filter_func)
{
static bool s_first_run = true;
// Load the dbghelp dll now, instead of waiting for the crash.
// Less potential for stack mangling
if (s_first_run)
{
// First, try loading from the directory that the app resides in.
std::string local_dll_name = gDirUtilp->findFile("dbghelp.dll", gDirUtilp->getWorkingDir(), gDirUtilp->getExecutableDir());
HMODULE hDll = NULL;
hDll = LoadLibraryA(local_dll_name.c_str());
if (!hDll)
{
hDll = LoadLibrary(L"dbghelp.dll");
}
if (!hDll)
{
LL_WARNS("AppInit") << "Couldn't find dbghelp.dll!" << LL_ENDL;
}
else
{
f_mdwp = (MINIDUMPWRITEDUMP) GetProcAddress(hDll, "MiniDumpWriteDump");
if (!f_mdwp)
{
FreeLibrary(hDll);
hDll = NULL;
}
}
gEmergencyMemoryReserve.reserve();
s_first_run = false;
}
// Try to get Tool Help library functions.
HMODULE hKernel32;
hKernel32 = GetModuleHandle(_T("KERNEL32"));
CreateToolhelp32Snapshot_ = (CREATE_TOOL_HELP32_SNAPSHOT)GetProcAddress(hKernel32, "CreateToolhelp32Snapshot");
Module32First_ = (MODULE32_FIRST)GetProcAddress(hKernel32, "Module32FirstW");
Module32Next_ = (MODULE32_NEST)GetProcAddress(hKernel32, "Module32NextW");
LPTOP_LEVEL_EXCEPTION_FILTER prev_filter;
prev_filter = SetUnhandledExceptionFilter(filter_func);
// *REMOVE:Mani
//PreventSetUnhandledExceptionFilter();
if(prev_filter != gFilterFunc)
{
LL_WARNS("AppInit")
<< "Replacing unknown exception (" << (void *)prev_filter << ") with (" << (void *)filter_func << ") !" << LL_ENDL;
}
gFilterFunc = filter_func;
}
// static
void LLWinDebug::init()
{
static bool s_first_run = true;
// Load the dbghelp dll now, instead of waiting for the crash.
// Less potential for stack mangling
// Don't install vectored exception handler if being debugged.
if(IsDebuggerPresent()) return;
if (s_first_run)
{
// First, try loading from the directory that the app resides in.
std::string local_dll_name = gDirUtilp->findFile("dbghelp.dll", gDirUtilp->getWorkingDir(), gDirUtilp->getExecutableDir());
HMODULE hDll = NULL;
hDll = LoadLibraryA(local_dll_name.c_str());
if (!hDll)
{
hDll = LoadLibrary(L"dbghelp.dll");
}
if (!hDll)
{
LL_WARNS("AppInit") << "Couldn't find dbghelp.dll!" << LL_ENDL;
}
else
{
f_mdwp = (MINIDUMPWRITEDUMP) GetProcAddress(hDll, "MiniDumpWriteDump");
if (!f_mdwp)
{
FreeLibrary(hDll);
hDll = NULL;
}
}
gEmergencyMemoryReserve.reserve();
s_first_run = false;
// Add this exeption hanlder to save windows style minidump.
AddVectoredExceptionHandler(0, &vectoredHandler);
}
}
