How to use UpgradeToWriterLock method of System.Threading.ReaderWriterLock class

Best JustMockLite code snippet using System.Threading.ReaderWriterLock.UpgradeToWriterLock

readerwriterlock.cs

Source:readerwriterlock.cs Github

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...155 /// <exception cref="T:System.ApplicationException">156 /// <paramref name="millisecondsTimeout" /> 在授予锁定请求前过期。</exception>157 /// <filterpriority>2</filterpriority>158 [SecuritySafeCritical]159 public LockCookie UpgradeToWriterLock(int millisecondsTimeout)160 {161 LockCookie result = new LockCookie();162 this.FCallUpgradeToWriterLock(ref result, millisecondsTimeout);163 return result;164 }165 [SecurityCritical]166 [MethodImpl(MethodImplOptions.InternalCall)]167 private void FCallUpgradeToWriterLock(ref LockCookie result, int millisecondsTimeout);168 /// <summary>使用一个 TimeSpan 超时值将读线程锁升级为写线程锁。</summary>169 /// <returns>一个 <see cref="T:System.Threading.LockCookie" /> 值。</returns>170 /// <param name="timeout">TimeSpan,用于指定超时时间。</param>171 /// <exception cref="T:System.ApplicationException">172 /// <paramref name="timeout" /> 在授予锁定请求前过期。</exception>173 /// <exception cref="T:System.ArgumentOutOfRangeException">174 /// <paramref name="timeout" /> 可指定 -1 毫秒以外的任何负值。</exception>175 /// <filterpriority>2</filterpriority>176 public LockCookie UpgradeToWriterLock(TimeSpan timeout)177 {178 long num = (long) timeout.TotalMilliseconds;179 if (num < -1L || num > (long) int.MaxValue)180 throw new ArgumentOutOfRangeException("timeout", Environment.GetResourceString("ArgumentOutOfRange_NeedNonNegOrNegative1"));181 return this.UpgradeToWriterLock((int) num);182 }183 [SecurityCritical]184 [MethodImpl(MethodImplOptions.InternalCall)]185 private void DowngradeFromWriterLockInternal(ref LockCookie lockCookie);186 /// <summary>将线程的锁状态还原为调用 <see cref="M:System.Threading.ReaderWriterLock.UpgradeToWriterLock(System.Int32)" /> 前的状态。</summary>187 /// <param name="lockCookie">一个 <see cref="T:System.Threading.LockCookie" />,由 <see cref="M:System.Threading.ReaderWriterLock.UpgradeToWriterLock(System.Int32)" /> 返回。</param>188 /// <exception cref="T:System.ApplicationException">线程没有写线程锁。</exception>189 /// <exception cref="T:System.NullReferenceException">190 /// <paramref name="lockCookie" /> 的地址为空指针。</exception>191 /// <filterpriority>2</filterpriority>192 [SecuritySafeCritical]193 public void DowngradeFromWriterLock(ref LockCookie lockCookie)194 {195 this.DowngradeFromWriterLockInternal(ref lockCookie);196 }197 /// <summary>释放锁,不管线程获取锁的次数如何。</summary>198 /// <returns>一个 <see cref="T:System.Threading.LockCookie" /> 值,表示释放的锁。</returns>199 /// <filterpriority>2</filterpriority>200 [SecuritySafeCritical]201 public LockCookie ReleaseLock()...

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RwLockExtensionMethods.cs

Source:RwLockExtensionMethods.cs Github

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...69 {70 rwlock.ReleaseWriterLock();71 }72 }73 public static void UpgradeToWriterLock(this ReaderWriterLock rwlock, Action del)74 {75 LockCookie lc = rwlock.UpgradeToWriterLock(-1);76 try77 {78 del();79 }80 finally81 {82 rwlock.DowngradeFromWriterLock(ref lc);83 }84 }85 public static T UpgradeToWriterLock<T>(this ReaderWriterLock rwlock, Func<T> del)86 {87 LockCookie lc = rwlock.UpgradeToWriterLock(-1);88 try89 {90 return del();91 }92 finally93 {94 rwlock.DowngradeFromWriterLock(ref lc);95 }96 }97 }98}...

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TableLock.cs

Source:TableLock.cs Github

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...92 {93 this.readerWriterLock.ReleaseWriterLock();94 }95 96 public LockCookie UpgradeToWriterLock(int millisecondsTimeout)97 {98 return this.readerWriterLock.UpgradeToWriterLock(millisecondsTimeout);99 }100 101 public LockCookie UpgradeToWriterLock(System.TimeSpan timeout)102 {103 return this.readerWriterLock.UpgradeToWriterLock(timeout);104 }105 }106 107}...

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UpgradeToWriterLock

Using AI Code Generation

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1using System;2using System.Threading;3{4 static void Main()5 {6 ReaderWriterLock rwl = new ReaderWriterLock();7 rwl.AcquireReaderLock(Timeout.Infinite);8 rwl.UpgradeToWriterLock(Timeout.Infinite);9 rwl.ReleaseLock();10 }11}

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UpgradeToWriterLock

Using AI Code Generation

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1using System;2using System.Threading;3{4 public static void Main()5 {6 ReaderWriterLock rwlock = new ReaderWriterLock();7 rwlock.AcquireReaderLock(Timeout.Infinite);8 Console.WriteLine("Reader lock acquired");9 rwlock.UpgradeToWriterLock(Timeout.Infinite);10 Console.WriteLine("Writer lock acquired");11 rwlock.ReleaseLock();12 Console.WriteLine("Reader lock released");13 }14}

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UpgradeToWriterLock

Using AI Code Generation

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1using System;2using System.Threading;3{4 static ReaderWriterLock rwLock = new ReaderWriterLock();5 static void Main()6 {7 rwLock.AcquireReaderLock(Timeout.Infinite);8 Console.WriteLine("Reader Lock Acquired");9 rwLock.UpgradeToWriterLock(Timeout.Infinite);10 Console.WriteLine("Writer Lock Acquired");11 rwLock.ReleaseReaderLock();12 Console.WriteLine("Reader Lock Released");13 rwLock.ReleaseWriterLock();14 Console.WriteLine("Writer Lock Released");15 }16}

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UpgradeToWriterLock

Using AI Code Generation

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1using System;2using System.Threading;3{4 static void Main()5 {6 ReaderWriterLock rwl = new ReaderWriterLock();7 rwl.AcquireReaderLock(Timeout.Infinite);8 Console.WriteLine("Reader lock acquired");9 rwl.UpgradeToWriterLock(Timeout.Infinite);10 Console.WriteLine("Writer lock acquired");11 rwl.ReleaseLock();12 Console.WriteLine("Lock released");13 }14}15using System;16using System.Threading;17{18 static void Main()19 {20 ReaderWriterLockSlim rwl = new ReaderWriterLockSlim();21 rwl.EnterReadLock();22 Console.WriteLine("Reader lock acquired");23 rwl.EnterUpgradeableReadLock();24 Console.WriteLine("Upgradable lock acquired");25 rwl.EnterWriteLock();26 Console.WriteLine("Writer lock acquired");27 rwl.ExitWriteLock();28 Console.WriteLine("Writer lock released");29 rwl.ExitUpgradeableReadLock();30 Console.WriteLine("Upgradable lock released");31 rwl.ExitReadLock();32 Console.WriteLine("Reader lock released");33 }34}35using System;36using System.Threading;37{38 static void Main()39 {40 ReaderWriterLock rwl = new ReaderWriterLock();41 rwl.AcquireReaderLock(Timeout.Infinite);42 Console.WriteLine("Reader lock acquired");43 rwl.UpgradeToWriterLock(Timeout.Infinite);44 Console.WriteLine("Writer lock acquired");45 rwl.ReleaseLock();46 Console.WriteLine("Lock released");47 }48}49using System;50using System.Threading;51{52 static void Main()53 {54 ReaderWriterLockSlim rwl = new ReaderWriterLockSlim();55 rwl.EnterReadLock();56 Console.WriteLine("Reader lock acquired");57 rwl.EnterUpgradeableReadLock();58 Console.WriteLine("Upgradable lock acquired");59 rwl.EnterWriteLock();60 Console.WriteLine("Writer lock acquired");61 rwl.ExitWriteLock();62 Console.WriteLine("Writer lock released");63 rwl.ExitUpgradeableReadLock();64 Console.WriteLine("Upgradable lock released");

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UpgradeToWriterLock

Using AI Code Generation

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1using System;2using System.Threading;3{4 static ReaderWriterLock rwl = new ReaderWriterLock();5 static void Main()6 {7 rwl.AcquireReaderLock(Timeout.Infinite);8 rwl.ReleaseReaderLock();9 rwl.AcquireWriterLock(Timeout.Infinite);10 rwl.ReleaseWriterLock();11 }12}

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UpgradeToWriterLock

Using AI Code Generation

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1using System;2using System.Threading;3{4 static ReaderWriterLock rwl = new ReaderWriterLock();5 static int count = 0;6 public static void Main()7 {8 for(int i = 0; i < 5; i++)9 {10 Thread t = new Thread(new ThreadStart(ReaderWriterLockSample.ReadFromDatabase));11 t.Name = "Reader " + i;12 t.Start();13 }14 for(int i = 0; i < 5; i++)15 {16 Thread t = new Thread(new ThreadStart(ReaderWriterLockSample.WriteToDatabase));17 t.Name = "Writer " + i;18 t.Start();19 }20 }21 public static void ReadFromDatabase()22 {23 Console.WriteLine("{0} wants to read", Thread.CurrentThread.Name);24 rwl.AcquireReaderLock(Timeout.Infinite);25 {26 Console.WriteLine("{0} is reading count = {1}", Thread.CurrentThread.Name, count);27 }28 {29 rwl.ReleaseReaderLock();30 }31 }32 public static void WriteToDatabase()33 {34 Console.WriteLine("{0} wants to write", Thread.CurrentThread.Name);35 rwl.AcquireWriterLock(Timeout.Infinite);36 {37 Console.WriteLine("{0} is writing count = {1}", Thread.CurrentThread.Name, count);38 count++;39 }40 {41 rwl.ReleaseWriterLock();42 }43 }44}

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UpgradeToWriterLock

Using AI Code Generation

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1using System;2using System.Threading;3{4 static void Main()5 {6 ReaderWriterLock rwLock = new ReaderWriterLock();7 rwLock.AcquireReaderLock(1000);8 Console.WriteLine("Reader lock acquired");9 rwLock.UpgradeToWriterLock(1000);10 Console.WriteLine("Upgraded to writer lock");11 rwLock.ReleaseLock();12 Console.WriteLine("Writer lock released");13 }14}15using System;16using System.Threading;17{18 static void Main()19 {20 ReaderWriterLockSlim rwLock = new ReaderWriterLockSlim();21 rwLock.EnterReadLock();22 Console.WriteLine("Reader lock acquired");23 rwLock.UpgradeToWriteLock();24 Console.WriteLine("Upgraded to writer lock");25 rwLock.ExitWriteLock();26 Console.WriteLine("Writer lock released");27 }28}29using System;30using System.Threading;31{32 static void Main()33 {34 ReaderWriterLock rwLock = new ReaderWriterLock();35 rwLock.AcquireReaderLock(1000);36 Console.WriteLine("Reader lock acquired");37 rwLock.UpgradeToWriterLock(1000);38 Console.WriteLine("Upgraded to writer lock");39 rwLock.ReleaseLock();40 Console.WriteLine("Writer lock released");41 }42}43using System;44using System.Threading;45{46 static void Main()47 {48 ReaderWriterLockSlim rwLock = new ReaderWriterLockSlim();49 rwLock.EnterReadLock();50 Console.WriteLine("Reader lock acquired");51 rwLock.UpgradeToWriteLock();52 Console.WriteLine("Upgraded to writer lock");53 rwLock.ExitWriteLock();54 Console.WriteLine("Writer lock released");55 }56}57using System;58using System.Threading;59{60 static void Main()61 {62 ReaderWriterLock rwLock = new ReaderWriterLock();63 rwLock.AcquireReaderLock(1000);64 Console.WriteLine("Reader lock acquired");

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UpgradeToWriterLock

Using AI Code Generation

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1using System;2using System.Threading;3{4 {5 static ReaderWriterLock rwl = new ReaderWriterLock();6 static void Main(string[] args)7 {8 for (int i = 1; i <= 5; i++)9 {10 Thread t = new Thread(new ThreadStart(MyThreadProc));11 t.Name = String.Format("Thread{0}", i);12 t.Start();13 }14 Thread.Sleep(250);15 rwl.AcquireWriterLock(Timeout.Infinite);16 Console.WriteLine("Main thread: Acquired writer lock.");17 rwl.UpgradeToWriterLock(Timeout.Infinite);18 Console.WriteLine("Main thread: Upgraded to writer lock.");19 rwl.ReleaseWriterLock();20 Console.WriteLine("Main thread: Released writer lock.");21 Thread.Sleep(250);22 }23 static void MyThreadProc()24 {25 rwl.AcquireReaderLock(Timeout.Infinite);26 Console.WriteLine("{0}: Acquired reader lock.", Thread.CurrentThread.Name);27 rwl.ReleaseReaderLock();28 Console.WriteLine("{0}: Released reader lock.", Thread.CurrentThread.Name);29 }30 }31}

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UpgradeToWriterLock

Using AI Code Generation

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1using System;2using System.Threading;3{4 static ReaderWriterLock rwl = new ReaderWriterLock();5 static void Main()6 {7 Thread t = new Thread(new ThreadStart(MyThread.ThreadProc));8 t.Start();9 rwl.AcquireReaderLock(Timeout.Infinite);10 Console.WriteLine("Reader lock acquired.");11 rwl.ReleaseReaderLock();12 Console.WriteLine("Reader lock released.");13 t.Join();14 }15 public static void ThreadProc()16 {17 rwl.AcquireWriterLock(Timeout.Infinite);18 Console.WriteLine("Writer lock acquired.");19 rwl.ReleaseWriterLock();20 Console.WriteLine("Writer lock released.");21 }22}23using System;24using System.Threading;25{26 static ReaderWriterLock rwl = new ReaderWriterLock();27 static void Main()28 {29 Thread t = new Thread(new ThreadStart(MyThread.ThreadProc));30 t.Start();31 rwl.AcquireReaderLock(Timeout.Infinite);32 Console.WriteLine("Reader lock acquired.");33 rwl.UpgradeToWriterLock(Timeout.Infinite);34 Console.WriteLine("Reader lock upgraded to a writer lock.");35 rwl.ReleaseWriterLock();36 Console.WriteLine("Writer lock released.");37 t.Join();38 }39 public static void ThreadProc()40 {41 rwl.AcquireWriterLock(Timeout.Infinite);42 Console.WriteLine("Writer lock acquired.");43 rwl.ReleaseWriterLock();44 Console.WriteLine("Writer lock released.");45 }46}47using System;48using System.Threading;49{50 static ReaderWriterLock rwl = new ReaderWriterLock();51 static void Main()52 {53 Thread t = new Thread(new Thread

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UpgradeToWriterLock

Using AI Code Generation

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1using System;2using System.Threading;3{4 {5 static ReaderWriterLock rwl = new ReaderWriterLock();6 static void Main(string[] args)7 {8 for (int i = 0; i < 5; i++)9 {10 new Thread(Reader).Start();11 }12 new Thread(Writer).Start();13 }14 static void Reader()15 {16 rwl.AcquireReaderLock(Timeout.Infinite);17 {18 Console.WriteLine("Reader {0} is in the lock", Thread.CurrentThread.ManagedThreadId);19 Thread.Sleep(1000);20 }21 {22 rwl.ReleaseReaderLock();23 }24 }25 static void Writer()26 {27 rwl.AcquireWriterLock(Timeout.Infinite);28 {29 Console.WriteLine("Writer {0} is in the lock", Thread.CurrentThread.ManagedThreadId);30 Thread.Sleep(1000);31 }32 {33 rwl.ReleaseWriterLock();34 }35 }36 }37}38using System;39using System.Threading;40{41 {42 static ReaderWriterLock rwl = new ReaderWriterLock();43 static void Main(string[] args)44 {45 for (int i = 0; i < 5; i++)46 {47 new Thread(Reader).Start();48 }49 new Thread(Writer).Start();50 }51 static void Reader()52 {53 rwl.AcquireReaderLock(Timeout.Infinite);54 {55 Console.WriteLine("Reader {0} is in the lock", Thread.CurrentThread.ManagedThreadId);56 Thread.Sleep(1000);57 }58 {59 rwl.ReleaseReaderLock();60 }61 }62 static void Writer()63 {64 rwl.AcquireWriterLock(Timeout.Infinite);65 {66 Console.WriteLine("Writer {0} is in the lock", Thread.CurrentThread.ManagedThreadId);67 Thread.Sleep(1000);68 }69 {70 rwl.ReleaseWriterLock();71 }72 }73 }74}

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