C# (CSharp) GMap.NET.Internals FastResourceLock.AcquireShared示例

示例#1

        public void AcquireReaderLock()
        {
#if !MONO && !PocketPC
            if (UseNativeSRWLock)
            {
                NativeMethods.AcquireSRWLockShared(ref LockSRW);
            }
            else
#endif
            {
#if UseFastResourceLock
                pLock.AcquireShared();
#else
                Thread.BeginCriticalRegion();

                while (Interlocked.CompareExchange(ref busy, 1, 0) != 0)
                {
                    Thread.Sleep(1);
                }

                Interlocked.Increment(ref readCount);

                // somehow this fix deadlock on heavy reads
                Thread.Sleep(0);
                Thread.Sleep(0);
                Thread.Sleep(0);
                Thread.Sleep(0);
                Thread.Sleep(0);
                Thread.Sleep(0);
                Thread.Sleep(0);

                Interlocked.Exchange(ref busy, 0);
#endif
            }
        }

示例#2

        public void AcquireReaderLock()
        {
            if (UseNativeSRWLock)
            {
                NativeMethods.AcquireSRWLockShared(ref LockSRW);
            }
            else
            {
                pLock.AcquireShared();
                Thread.BeginCriticalRegion();

                while (Interlocked.CompareExchange(ref busy, 1, 0) != 0)
                {
                    Thread.Sleep(1);
                }

                Interlocked.Increment(ref readCount);

                // somehow this fix deadlock on heavy reads
                Thread.Sleep(0);
                Thread.Sleep(0);
                Thread.Sleep(0);
                Thread.Sleep(0);
                Thread.Sleep(0);
                Thread.Sleep(0);
                Thread.Sleep(0);

                Interlocked.Exchange(ref busy, 0);
            }
        }