bool CheckState(ThreadLockState state, int millisecondsTimeout, LockState validState)
{
if (disposed)
{
throw new ObjectDisposedException("ReaderWriterLockSlim");
}
if (millisecondsTimeout < -1)
{
throw new ArgumentOutOfRangeException("millisecondsTimeout");
}
// Detect and prevent recursion
LockState ctstate = state.LockState;
if (ctstate != LockState.None && noRecursion && (!ctstate.Has(LockState.Upgradable) || validState == LockState.Upgradable))
{
throw new LockRecursionException("The current thread has already a lock and recursion isn't supported");
}
if (noRecursion)
{
return(false);
}
// If we already had right lock state, just return
if (ctstate.Has(validState))
{
return(true);
}
CheckRecursionAuthorization(ctstate, validState);
return(false);
}
