internal bool Unregister(WaitHandle waitObject)
{
bool flag = false;
RuntimeHelpers.PrepareConstrainedRegions();
try
{
}
finally
{
bool flag2 = false;
do
{
if (Interlocked.CompareExchange(ref this.m_lock, 1, 0) == 0)
{
flag2 = true;
try
{
if (this.ValidHandle())
{
flag = RegisteredWaitHandleSafe.UnregisterWaitNative(this.GetHandle(), (waitObject == null) ? null : waitObject.SafeWaitHandle);
if (flag)
{
if (this.bReleaseNeeded)
{
this.m_internalWaitObject.SafeWaitHandle.DangerousRelease();
this.bReleaseNeeded = false;
}
this.SetHandle(RegisteredWaitHandleSafe.InvalidHandle);
this.m_internalWaitObject = null;
GC.SuppressFinalize(this);
}
}
}
finally
{
this.m_lock = 0;
}
}
Thread.SpinWait(1);
}while (!flag2);
}
return(flag);
}
internal RegisteredWaitHandle()
{
internalRegisteredWait = new RegisteredWaitHandleSafe();
}
internal RegisteredWaitHandle()
{
internalRegisteredWait = new RegisteredWaitHandleSafe();
}