示例#1
0
        internal override void RegisterRetryLatch(IRetryLatch latch, BaseVBoxBody expectedBody, int expectedEra)
        {
            if (_body != expectedBody)
            {
                //if it currently already contains a different version, we are done.
                latch.Open(expectedEra);
                return;
            }

            while (true)
            {
                if (_body != expectedBody)
                {
                    //if it currently already contains a different version, we are done.
                    latch.Open(expectedEra);
                    return;
                }

                var initialValue = _listeners;
                var result       = Interlocked.CompareExchange(ref _listeners, _listeners.Add(latch), initialValue);
                if (result != initialValue)
                {
                    continue;
                }

                if (_body == expectedBody)
                {
                    return;
                }
                //version has changed unregister
                while (true)
                {
                    initialValue = _listeners;
                    result       = Interlocked.CompareExchange(ref _listeners, _listeners.Add(latch), initialValue);
                    if (result != initialValue)
                    {
                        continue;
                    }
                    return;
                }
            }
        }
示例#2
0
 internal abstract void RegisterRetryLatch(IRetryLatch latch, BaseVBoxBody expectedBody, int expectedEra);