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>
/// Stop debugging the specified process (detach)
/// </summary>
/// <param name="process">process to detach from</param>
/// <remarks>After detaching, the process is removed from the caches and can not be accessed. If detaching at a debug
/// event, do not call Continue on the event. </remarks>
public void Detach(NativeDbgProcess process)
{
if (process == null)
{
throw new ArgumentNullException("process");
}
EnsureIsOnWin32EventThread();
int pid = process.Id;
bool fDetachOk = NativeMethods.DebugActiveProcessStop((uint)pid);
if (!fDetachOk)
{
int err = Marshal.GetLastWin32Error();
throw new InvalidOperationException("Failed to detach to process " + pid + "error=" + err);
}
RemoveProcess(pid);
}