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

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

ReaderWriterLock.cs

Source:ReaderWriterLock.cs

...55                {56                    LazyCreateEvent(ref readEvent, false);57                    continue;   // since we left the lock, start over. 58                }59                WaitOnEvent(readEvent, ref numReadWaiters, millisecondsTimeout);60            }61            ExitMyLock();62        }63        public void AcquireWriterLock(int millisecondsTimeout)64        {65            EnterMyLock();66            for (; ; )67            {68                if (owners == 0)69                {70                    // Good case, there is no contention, we are basically done71                    owners = -1;    // indicate we have a writer.72                    break;73                }74                // Drat, we need to wait.  Mark that we have waiters and wait.75                if (writeEvent == null)     // create the needed event.76                {77                    LazyCreateEvent(ref writeEvent, true);78                    continue;   // since we left the lock, start over. 79                }80                WaitOnEvent(writeEvent, ref numWriteWaiters, millisecondsTimeout);81            }82            ExitMyLock();83        }84        public void UpgradeToWriterLock(int millisecondsTimeout)85        {86            EnterMyLock();87            for (; ; )88            {89                Debug.Assert(owners > 0, "Upgrading when no reader lock held");90                if (owners == 1)91                {92                    // Good case, there is no contention, we are basically done93                    owners = -1;    // inidicate we have a writer. 94                    break;95                }96                // Drat, we need to wait.  Mark that we have waiters and wait. 97                if (upgradeEvent == null)   // Create the needed event98                {99                    LazyCreateEvent(ref upgradeEvent, false);100                    continue;   // since we left the lock, start over. 101                }102                if (numUpgradeWaiters > 0)103                {104                    ExitMyLock();105                    throw new ApplicationException("UpgradeToWriterLock already in process.  Deadlock!");106                }107                WaitOnEvent(upgradeEvent, ref numUpgradeWaiters, millisecondsTimeout);108            }109            ExitMyLock();110        }111        public void ReleaseReaderLock()112        {113            EnterMyLock();114            Debug.Assert(owners > 0, "ReleasingReaderLock: releasing lock and no read lock taken");115            --owners;116            ExitAndWakeUpAppropriateWaiters();117        }118        public void ReleaseWriterLock()119        {120            EnterMyLock();121            Debug.Assert(owners == -1, "Calling ReleaseWriterLock when no write lock is held");122            Debug.Assert(numUpgradeWaiters > 0);123            owners++;124            ExitAndWakeUpAppropriateWaiters();125        }126        public void DowngradeToReaderLock()127        {128            EnterMyLock();129            Debug.Assert(owners == -1, "Downgrading when no writer lock held");130            owners = 1;131            ExitAndWakeUpAppropriateWaiters();132        }133        /// <summary>134        /// A routine for lazily creating a event outside the lock (so if errors135        /// happen they are outside the lock and that we don't do much work136        /// while holding a spin lock).  If all goes well, reenter the lock and137        /// set 'waitEvent' 138        /// </summary>139        private void LazyCreateEvent(ref WaitHandle waitEvent, bool makeAutoResetEvent)140        {141            Debug.Assert(MyLockHeld);142            Debug.Assert(waitEvent == null);143            ExitMyLock();144            WaitHandle newEvent;145            if (makeAutoResetEvent)146                newEvent = new AutoResetEvent(false);147            else148                newEvent = new ManualResetEvent(false);149            EnterMyLock();150            if (waitEvent == null)          // maybe someone snuck in. 151                waitEvent = newEvent;152        }153        /// <summary>154        /// Waits on 'waitEvent' with a timeout of 'millisceondsTimeout.  155        /// Before the wait 'numWaiters' is incremented and is restored before leaving this routine.156        /// </summary>157        private void WaitOnEvent(WaitHandle waitEvent, ref uint numWaiters, int millisecondsTimeout)158        {159            Debug.Assert(MyLockHeld);160            if (waitEvent is AutoResetEvent)161                ((AutoResetEvent)waitEvent).Reset();162            else163                ((ManualResetEvent)waitEvent).Reset();164            numWaiters++;165            bool waitSuccessful = false;166            ExitMyLock();      // Do the wait outside of any lock 167            try168            {169                if (!waitEvent.WaitOne(millisecondsTimeout, false))170                    throw new ApplicationException("ReaderWriterLock timeout expired");171                waitSuccessful = true;...

WaitOnEvent

Using AI Code Generation

1using System;2using System.Threading;3{4    static void Main()5    {6        ReaderWriterLock rwl = new ReaderWriterLock();7        rwl.AcquireWriterLock(Timeout.Infinite);8        rwl.ReleaseWriterLock();9        rwl.AcquireReaderLock(Timeout.Infinite);10        rwl.ReleaseReaderLock();11        rwl.AcquireWriterLock(Timeout.Infinite);12        rwl.ReleaseWriterLock();13        rwl.AcquireReaderLock(Timeout.Infinite);14        rwl.ReleaseReaderLock();15    }16}17using System;18using System.Threading;19{20    static void Main()21    {22        ReaderWriterLock rwl = new ReaderWriterLock();23        rwl.AcquireWriterLock(Timeout.Infinite);24        rwl.ReleaseWriterLock();25        rwl.AcquireReaderLock(Timeout.Infinite);26        rwl.ReleaseReaderLock();27        rwl.AcquireWriterLock(Timeout.Infinite);28        rwl.ReleaseWriterLock();29        rwl.AcquireReaderLock(Timeout.Infinite);30        rwl.ReleaseReaderLock();31    }32}33using System;34using System.Threading;35{36    static void Main()37    {38        ReaderWriterLock rwl = new ReaderWriterLock();39        rwl.AcquireWriterLock(Timeout.Infinite);40        rwl.ReleaseWriterLock();41        rwl.AcquireReaderLock(Timeout.Infinite);42        rwl.ReleaseReaderLock();43        rwl.AcquireWriterLock(Timeout.Infinite);44        rwl.ReleaseWriterLock();45        rwl.AcquireReaderLock(Timeout.Infinite);46        rwl.ReleaseReaderLock();47    }48}49using System;50using System.Threading;51{52    static void Main()53    {54        ReaderWriterLock rwl = new ReaderWriterLock();55        rwl.AcquireWriterLock(Timeout.Infinite);56        rwl.ReleaseWriterLock();57        rwl.AcquireReaderLock(Timeout.Infinite);58        rwl.ReleaseReaderLock();59        rwl.AcquireWriterLock(Timeout.Infinite);60        rwl.ReleaseWriterLock();61        rwl.AcquireReaderLock(Timeout.Infinite);

WaitOnEvent

Using AI Code Generation

1using System;2using System.Threading;3{4    {5        static void Main(string[] args)6        {7            ReaderWriterLock rwl = new ReaderWriterLock();8            rwl.AcquireWriterLock(Timeout.Infinite);9            rwl.ReleaseWriterLock();10            rwl.AcquireReaderLock(Timeout.Infinite);11            rwl.ReleaseReaderLock();12            rwl.AcquireWriterLock(Timeout.Infinite);13            rwl.ReleaseWriterLock();14            rwl.AcquireReaderLock(Timeout.Infinite);15            rwl.ReleaseReaderLock();16            rwl.AcquireWriterLock(Timeout.Infinite);17            rwl.ReleaseWriterLock();18            rwl.AcquireReaderLock(Timeout.Infinite);19            rwl.ReleaseReaderLock();20            rwl.AcquireWriterLock(Timeout.Infinite);21            rwl.ReleaseWriterLock();22            rwl.AcquireReaderLock(Timeout.Infinite);23            rwl.ReleaseReaderLock();24            rwl.AcquireWriterLock(Timeout.Infinite);25            rwl.ReleaseWriterLock();26            rwl.AcquireReaderLock(Timeout.Infinite);27            rwl.ReleaseReaderLock();28            rwl.AcquireWriterLock(Timeout.Infinite);29            rwl.ReleaseWriterLock();30            rwl.AcquireReaderLock(Timeout.Infinite);31            rwl.ReleaseReaderLock();32            rwl.AcquireWriterLock(Timeout.Infinite);33            rwl.ReleaseWriterLock();34            rwl.AcquireReaderLock(Timeout.Infinite);35            rwl.ReleaseReaderLock();36            rwl.AcquireWriterLock(Timeout.Infinite);37            rwl.ReleaseWriterLock();38            rwl.AcquireReaderLock(Timeout.Infinite);39            rwl.ReleaseReaderLock();40            rwl.AcquireWriterLock(Timeout.Infinite);41            rwl.ReleaseWriterLock();42            rwl.AcquireReaderLock(Timeout.Infinite);43            rwl.ReleaseReaderLock();44        }45    }46}

WaitOnEvent

Using AI Code Generation

1using System;2using System.Threading;3{4    {5        static void Main(string[] args)6        {7            ReaderWriterLock rwLock = new ReaderWriterLock();8            rwLock.AcquireReaderLock(1000);9            rwLock.ReleaseReaderLock();10            rwLock.AcquireWriterLock(1000);11            rwLock.ReleaseWriterLock();12            Console.WriteLine("Press any key to exit");13            Console.Read();14        }15    }16}17using System;18using System.Threading;19{20    {21        static void Main(string[] args)22        {23            ReaderWriterLock rwLock = new ReaderWriterLock();24            rwLock.AcquireReaderLock(1000);25            rwLock.ReleaseReaderLock();26            rwLock.AcquireWriterLock(1000);27            rwLock.ReleaseWriterLock();28            Console.WriteLine("Press any key to exit");29            Console.Read();30        }31    }32}33using System;34using System.Threading;35{36    {37        static void Main(string[] args)38        {39            ReaderWriterLock rwLock = new ReaderWriterLock();40            rwLock.AcquireReaderLock(1000);41            rwLock.ReleaseReaderLock();42            rwLock.AcquireWriterLock(1000);43            rwLock.ReleaseWriterLock();44            Console.WriteLine("Press any key to exit");45            Console.Read();46        }47    }48}49using System;50using System.Threading;51{52    {53        static void Main(string[] args)54        {55            ReaderWriterLock rwLock = new ReaderWriterLock();56            rwLock.AcquireReaderLock(1000);57            rwLock.ReleaseReaderLock();58            rwLock.AcquireWriterLock(1000);59            rwLock.ReleaseWriterLock();60            Console.WriteLine("Press any key to exit");61            Console.Read();62        }63    }64}65using System;66using System.Threading;67{68    {69        static void Main(string[] args)70        {71            ReaderWriterLock rwLock = new ReaderWriterLock();72            rwLock.AcquireReaderLock(1000);73            rwLock.ReleaseReaderLock();74            rwLock.AcquireWriterLock(1000);75            rwLock.ReleaseWriterLock();76            Console.WriteLine("Press any key to exit");77            Console.Read();78        }79    }80}81using System;82using System.Threading;83{84    {85        static void Main(string

WaitOnEvent

Using AI Code Generation

1using System;2using System.Threading;3{4{5static void Main(string[] args)6{7ReaderWriterLock rwl = new ReaderWriterLock();8rwl.AcquireReaderLock(Timeout.Infinite);9Thread t = new Thread(new ThreadStart(Writer));10t.Start();11rwl.WaitOnEvent(rwl.GetWriterEvent(), Timeout.Infinite);12rwl.ReleaseReaderLock();13Console.WriteLine("Main thread exits.");14}15public static void Writer()16{17ReaderWriterLock rwl = new ReaderWriterLock();18rwl.AcquireWriterLock(Timeout.Infinite);19rwl.ReleaseWriterLock();20}21}22}23C# | ReaderWriterLockSlim.TryEnterReadLock() method24C# | ReaderWriterLockSlim.TryEnterWriteLock() method25C# | ReaderWriterLockSlim.TryEnterUpgradeableReadLock() method26C# | ReaderWriterLockSlim.ExitReadLock() method27C# | ReaderWriterLockSlim.ExitWriteLock() method28C# | ReaderWriterLockSlim.ExitUpgradeableReadLock()

WaitOnEvent

Using AI Code Generation

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.ReleaseReaderLock();10        Console.WriteLine("Reader lock released");11    }12}13using System;14using System.Threading;15{16    static void Main()17    {18        ReaderWriterLock rwLock = new ReaderWriterLock();19        rwLock.AcquireWriterLock(1000);20        Console.WriteLine("Writer lock acquired");21        rwLock.ReleaseWriterLock();22        Console.WriteLine("Writer lock released");23    }24}25using System;26using System.Threading;27{28    static void Main()29    {30        ReaderWriterLock rwLock = new ReaderWriterLock();31        rwLock.AcquireWriterLock(1000);32        Console.WriteLine("Writer lock acquired");33        rwLock.ReleaseWriterLock();34        Console.WriteLine("Writer lock released");35    }36}37using System;38using System.Threading;39{40    static void Main()41    {42        ReaderWriterLock rwLock = new ReaderWriterLock();43        rwLock.AcquireReaderLock(1000);44        Console.WriteLine("Reader lock acquired");45        rwLock.ReleaseLock();46        Console.WriteLine("Lock released");47    }48}49using System;50using System.Threading;51{52    static void Main()53    {54        ReaderWriterLock rwLock = new ReaderWriterLock();55        rwLock.AcquireReaderLock(1000);56        Console.WriteLine("Reader lock acquired");57        Console.WriteLine("Is reader lock held: {0}", rwLock.IsReaderLockHeld);58        rwLock.ReleaseReaderLock();59        Console.WriteLine("Reader lock released");60    }61}62using System;63using System.Threading;64{65    static void Main()66    {

WaitOnEvent

Using AI Code Generation

1using System;2using System.Threading;3{4   static void Main()5   {6      ReaderWriterLock rwLock = new ReaderWriterLock();7      rwLock.AcquireWriterLock(-1);8      Console.WriteLine("ReaderWriterLock acquired");9      rwLock.ReleaseWriterLock();10      rwLock.AcquireReaderLock(-1);11      Console.WriteLine("ReaderWriterLock acquired");12      Console.WriteLine("Waiting for Writer lock");13      rwLock.WaitOnEvent();14      Console.WriteLine("Writer lock acquired");15      rwLock.ReleaseReaderLock();16      Console.WriteLine("ReaderWriterLock released");17   }18}19using System;20using System.Threading;21{22   static void Main()23   {24      ReaderWriterLock rwLock = new ReaderWriterLock();25      rwLock.AcquireWriterLock(-1);26      Console.WriteLine("Writer lock acquired");27      Console.WriteLine("IsWriterLockHeld: {0}", rwLock.IsWriterLockHeld);28      Console.WriteLine("IsReaderLockHeld: {0}", rwLock.IsReaderLockHeld);29      rwLock.ReleaseWriterLock();30      rwLock.AcquireReaderLock(-1);31      Console.WriteLine("Reader lock acquired");32      Console.WriteLine("IsWriterLockHeld: {0}", rwLock.IsWriterLockHeld);33      Console.WriteLine("IsReaderLockHeld: {0}", rwLock.IsReaderLockHeld);34      rwLock.ReleaseReaderLock();35   }36}37using System;38using System.Threading;39{40   static void Main()41   {42      ReaderWriterLock rwLock = new ReaderWriterLock();43      rwLock.AcquireWriterLock(-1);44      Console.WriteLine("Writer lock acquired");45      Console.WriteLine("IsWriterLockHeld: {0}", rwLock.IsWriterLockHeld);46      Console.WriteLine("IsReaderLockHeld: {0}", rwLock.IsReaderLockHeld);47      rwLock.ReleaseWriterLock();48      rwLock.AcquireReaderLock(-1);49      Console.WriteLine("Reader lock acquired");50      Console.WriteLine("IsWriterLockHeld: {0}", rwLock.IsWriterLockHeld);51      Console.WriteLine("IsReaderLockHeld: {0

WaitOnEvent

Using AI Code Generation

1using System;2using System.Threading;3{4   public static void Main()5   {6      ReaderWriterLock rwl = new ReaderWriterLock();7      Thread t = new Thread(new ThreadStart(DoWork));8      t.Start();9      rwl.WaitOnEvent();10      Console.WriteLine("The lock is acquired by the thread");11   }12   public static void DoWork()13   {14      ReaderWriterLock rwl = new ReaderWriterLock();15      rwl.AcquireReaderLock(Timeout.Infinite);16      Console.WriteLine("The thread has acquired the lock");17   }18}

WaitOnEvent

Using AI Code Generation

1using System;2using System.Threading;3{4    static void Main()5    {6        Console.WriteLine("Main thread started");7        ReaderWriterLock rwLock = new ReaderWriterLock();8        rwLock.AcquireWriterLock(Timeout.Infinite);9        Thread thread = new Thread(new ThreadStart(MyThread));10        thread.Start();11        rwLock.AcquireReaderLock(Timeout.Infinite);12        rwLock.ReleaseReaderLock();13        rwLock.ReleaseWriterLock();14        Console.WriteLine("Main thread ended");15        Console.ReadLine();16    }17    static void MyThread()18    {19        Console.WriteLine("MyThread started");20        ReaderWriterLock rwLock = new ReaderWriterLock();21        rwLock.AcquireWriterLock(Timeout.Infinite);22        rwLock.ReleaseWriterLock();23        Console.WriteLine("MyThread ended");24    }25}26using System;27using System.Threading;28{29    static void Main()30    {31        Console.WriteLine("Main thread started");32        ReaderWriterLock rwLock = new ReaderWriterLock();33        rwLock.AcquireWriterLock(Timeout.Infinite);34        Thread thread = new Thread(new ThreadStart(MyThread));35        thread.Start();36        rwLock.AcquireReaderLock(Timeout.Infinite);37        rwLock.ReleaseReaderLock();38        rwLock.ReleaseWriterLock();39        Console.WriteLine("Main thread ended");40        Console.ReadLine();41    }42    static void MyThread()43    {44        Console.WriteLine("MyThread started");45        ReaderWriterLock rwLock = new ReaderWriterLock();46        rwLock.AcquireWriterLock(Timeout.Infinite);47        rwLock.ReleaseWriterLock();48        Console.WriteLine("MyThread ended");49    }50}

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