internal static void SkipInitialDebugBreak(uint dwProcessId)
{
if (!NativeDebuggingMethods.DebugActiveProcess(dwProcessId))
{
throw new LastWin32Exception();
}
try
{
bool done = false;
uint mainThread = 0;
while (!done)
{
dynamic debugEvent = null;
if (!WaitForDebugEvent(ref debugEvent, (int)TimeSpan.FromSeconds(10).TotalMilliseconds))
{
throw new LastWin32Exception();
}
switch ((NativeDebugEventCode)debugEvent.header.dwDebugEventCode)
{
case NativeDebugEventCode.CREATE_PROCESS_DEBUG_EVENT:
new SafeFileHandle(debugEvent.union.CreateProcess.hFile, true).Dispose();
break;
case NativeDebugEventCode.LOAD_DLL_DEBUG_EVENT:
new SafeFileHandle(debugEvent.union.LoadDll.hFile, true).Dispose();
break;
case NativeDebugEventCode.EXCEPTION_DEBUG_EVENT:
case NativeDebugEventCode.EXIT_PROCESS_DEBUG_EVENT:
mainThread = debugEvent.header.dwThreadId;
done = true;
break;
}
if (!NativeDebuggingMethods.ContinueDebugEvent(debugEvent.header.dwProcessId,
debugEvent.header.dwThreadId, NativeDebuggingMethods.ContinueStatus.DBG_CONTINUE))
{
throw new LastWin32Exception();
}
}
SuspendThread(new IntPtr(mainThread));
}
finally
{
if (!NativeDebuggingMethods.DebugActiveProcessStop(dwProcessId))
{
throw new LastWin32Exception();
}
}
}
private static bool WaitForDebugEvent(ref dynamic debugEvent32Or64, int dwMilliseconds)
{
bool is64BitProcess = (IntPtr.Size == 8);
if (is64BitProcess)
{
var debugEvent64 = new DebugEvent64();
if (!NativeDebuggingMethods.WaitForDebugEvent64(ref debugEvent64, dwMilliseconds))
{
return(false);
}
debugEvent32Or64 = debugEvent64;
}
else
{
var debugEvent32 = new DebugEvent32();
if (!NativeDebuggingMethods.WaitForDebugEvent32(ref debugEvent32, dwMilliseconds))
{
return(false);
}
debugEvent32Or64 = debugEvent32;
}
return(true);
}
