◆ Signal() [1/2]

bool System.Threading.CountdownEvent.Signal ( )

inline

Definition at line 73 of file CountdownEvent.cs.

    {
        ThrowIfDisposed();
        if (_currentCount <= 0)
        {
            throw new InvalidOperationException(System.SR.CountdownEvent_Decrement_BelowZero);
        }
        int num = Interlocked.Decrement(ref _currentCount);
        if (num == 0)
        {
            _event.Set();
            return true;
        }
        if (num < 0)
        {
            throw new InvalidOperationException(System.SR.CountdownEvent_Decrement_BelowZero);
        }
        return false;
    }

References System.Threading.CountdownEvent._currentCount, System.Threading.CountdownEvent._event, System.SR.CountdownEvent_Decrement_BelowZero, System.Threading.Interlocked.Decrement(), System.Threading.ManualResetEventSlim.Set(), and System.Threading.CountdownEvent.ThrowIfDisposed().