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();
}
}
}
/// <summary>
/// Attach to the given process. Throws on error.
/// </summary>
/// <param name="processId">process ID of target process to attach to</param>
/// <returns>process object representing process being debugged</returns>
public NativeDbgProcess Attach(int processId)
{
EnsureIsOnWin32EventThread();
bool fAttached = NativeMethods.DebugActiveProcess((uint)processId);
if (!fAttached)
{
int err = Marshal.GetLastWin32Error();
throw new InvalidOperationException("Failed to attach to process id " + processId + "error=" + err);
}
return(CreateNew(processId));
}