private void InternalThreadProc(object state)
{
ThreadCount++;
int source;
string eventName = Guid.NewGuid().ToString();
EventWaitHandle waitHandle = new EventWaitHandle(false, EventResetMode.AutoReset, eventName);
if (TestCondition == 0)
{
Thread.Sleep(1000);
}
try
{
while (m_enabled)
{
if (TestCondition == 1)
{
Thread.Sleep(1000);
}
if (m_disposing)
{
return;
}
if (TestCondition == 2)
{
Thread.Sleep(1000);
}
if (m_useFirstTime)
{
Notify.RunAppAtTime(string.Format(@"\\.\Notifications\NamedEvents\{0}", eventName), m_firstTime);
m_useFirstTime = false;
}
else
{
// set up the next event
Notify.RunAppAtTime(string.Format(@"\\.\Notifications\NamedEvents\{0}", eventName), DateTime.Now.Add(m_interval));
m_firstTime = DateTime.MinValue;
}
if (TestCondition == 3)
{
Thread.Sleep(1000);
}
if (m_disposing)
{
return;
}
source = OpenNETCF.Threading.EventWaitHandle.WaitAny(new WaitHandle[] { waitHandle, m_quitHandle });
if (TestCondition == 4)
{
Thread.Sleep(1000);
}
// see if it's the event
if (source == 0)
{
m_cachedEnabled = null;
// fire the event if we have a listener
if (Tick != null)
{
// we need to decouple this call from the current thread or the lock will do nothing
ThreadPool.QueueUserWorkItem(new WaitCallback(
delegate
{
Tick(this, null);
}));
}
if (TestCondition == 5)
{
Thread.Sleep(1000);
}
if (OneShot)
{
if (TestCondition == 6)
{
Thread.Sleep(1000);
}
if (m_cachedEnabled != null)
{
if (TestCondition == 7)
{
Thread.Sleep(1000);
}
m_enabled = (m_cachedEnabled == true);
if (TestCondition == 8)
{
Thread.Sleep(1000);
}
}
else
{
m_enabled = false;
}
}
}
else
{
m_enabled = false;
}
}
}
finally
{
waitHandle.Close();
ThreadCount--;
if (ThreadCount == 0)
{
m_quitHandle.Reset();
}
}
}
private unsafe void ThreadProc()
{
IntPtr notifyHandle = NativeMethods.FindFirstChangeNotification(m_path, true, filter);
FileNotifyInformation notifyData = new FileNotifyInformation();
uint returned = 0;
uint available = 0;
EventWaitHandle ewh = new EventWaitHandle(false, EventResetMode.ManualReset, WaitHandleName);
EventWaitHandle quitWaitHandle = new EventWaitHandle(false, EventResetMode.ManualReset, WaitHandleNameQuit);
while (!m_quit)
{
ewh.Reset();
if (EventWaitHandle.WaitAny(new IntPtr[] { notifyHandle, ewh.Handle }, TimeoutInfinite, false) != EventWaitHandle.WaitTimeout)
{
if (m_quit)
{
break;
}
IntPtr ptr = IntPtr.Zero;
if (NativeMethods.CeGetFileNotificationInfo(notifyHandle, 0, ref ptr, 0, ref returned, ref available))
{
if (available > 0)
{
int maxData = 2048;
fixed(byte *pData = new byte[maxData])
{
// get data
if (NativeMethods.CeGetFileNotificationInfo(notifyHandle, 0, pData, maxData, ref returned, ref available))
{
notifyData = new FileNotifyInformation(pData, 0);
// handle data in notifyData
if (ValidateByFilter(notifyData.Filename))
{
RaiseEvents(notifyData.Action, notifyData.Filename);
}
int offset = 0;
offset += notifyData.NextEntryOffset;
while (notifyData.NextEntryOffset > 0)
{
notifyData = new FileNotifyInformation(pData, offset);
if (ValidateByFilter(notifyData.Filename))
{
RaiseEvents(notifyData.Action, notifyData.Filename);
}
offset += notifyData.NextEntryOffset;
}
}
}
}
else
{
//Seems that subdirectories don't return anything but then the notifyHandle is never reset and if available data is 0 notifyHandle never resets
NativeMethods.FindCloseChangeNotification(notifyHandle);
notifyHandle = NativeMethods.FindFirstChangeNotification(m_path, true, filter);
}
}
} // if( waithandle...
} // while (!m_quit)
NativeMethods.FindCloseChangeNotification(notifyHandle);
quitWaitHandle.Set();
}
