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

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

ReaderWriterLock.cs

Source:ReaderWriterLock.cs Github

copy

Full Screen

...52 }53 // Drat, we need to wait. Mark that we have waiters and wait. 54 if (readEvent == null) // Create the needed event 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>...

Full Screen

Full Screen

LazyCreateEvent

Using AI Code Generation

copy

Full Screen

1using System;2using System.Threading;3{4 static void Main()5 {6 ReaderWriterLock rwl = new ReaderWriterLock();7 AutoResetEvent are = new AutoResetEvent(false);8 rwl.LazyCreateEvent(ref are, 0);9 Console.WriteLine("AutoResetEvent created successfully");10 }11}

Full Screen

Full Screen

LazyCreateEvent

Using AI Code Generation

copy

Full Screen

1using System;2using System.Threading;3{4 {5 static void Main(string[] args)6 {7 ReaderWriterLock rwlock = new ReaderWriterLock();8 Console.WriteLine("ReaderWriterLock created");9 rwlock.AcquireReaderLock(Timeout.Infinite);10 Console.WriteLine("Read lock acquired");11 rwlock.AcquireWriterLock(Timeout.Infinite);12 Console.WriteLine("Write lock acquired");13 rwlock.ReleaseReaderLock();14 Console.WriteLine("Read lock released");15 rwlock.ReleaseWriterLock();16 Console.WriteLine("Write lock released");17 rwlock.ReleaseWriterLock();18 Console.WriteLine("Write lock released");19 rwlock.ReleaseReaderLock();20 Console.WriteLine("Read lock released");21 rwlock.ReleaseWriterLock();22 Console.WriteLine("Write lock released");23 rwlock.ReleaseReaderLock();24 Console.WriteLine("Read lock released");25 rwlock.ReleaseWriterLock();26 Console.WriteLine("Write lock released");27 rwlock.ReleaseReaderLock();28 Console.WriteLine("Read lock released");29 rwlock.ReleaseWriterLock();30 Console.WriteLine("Write lock released");31 rwlock.ReleaseReaderLock();32 Console.WriteLine("Read lock released");33 rwlock.ReleaseWriterLock();34 Console.WriteLine("Write lock released");35 rwlock.ReleaseReaderLock();36 Console.WriteLine("Read lock released");37 rwlock.ReleaseWriterLock();38 Console.WriteLine("Write lock released");39 rwlock.ReleaseReaderLock();40 Console.WriteLine("Read lock released");41 rwlock.ReleaseWriterLock();42 Console.WriteLine("Write lock released");43 rwlock.ReleaseReaderLock();44 Console.WriteLine("Read lock released");45 rwlock.ReleaseWriterLock();46 Console.WriteLine("Write lock released");47 rwlock.ReleaseReaderLock();48 Console.WriteLine("Read lock released");49 rwlock.ReleaseWriterLock();50 Console.WriteLine("Write lock released

Full Screen

Full Screen

LazyCreateEvent

Using AI Code Generation

copy

Full Screen

1using System;2using System.Threading;3{4 private ReaderWriterLock rwl = new ReaderWriterLock();5 public void Read()6 {7 rwl.AcquireReaderLock(Timeout.Infinite);8 {9 Console.WriteLine("Reading...");10 }11 {12 rwl.ReleaseReaderLock();13 }14 }15 public void Write()16 {17 rwl.AcquireWriterLock(Timeout.Infinite);18 {19 Console.WriteLine("Writing...");20 }21 {22 rwl.ReleaseWriterLock();23 }24 }25 public static void Main()26 {27 ReaderWriterLockExample rwle = new ReaderWriterLockExample();28 for (int i = 0; i < 3; i++)29 {30 new Thread(rwle.Write).Start();31 new Thread(rwle.Read).Start();32 }33 }34}

Full Screen

Full Screen

LazyCreateEvent

Using AI Code Generation

copy

Full Screen

1using System;2using System.Threading;3{4 public static void Main()5 {6 ReaderWriterLock rwlock = new ReaderWriterLock();7 rwlock.LazyCreateEvent(ref rwlock.m_writeEvent, true);8 Console.WriteLine("WriteEvent created");9 rwlock.LazyCreateEvent(ref rwlock.m_readEvent, false);10 Console.WriteLine("ReadEvent created");11 rwlock.LazyCreateEvent(ref rwlock.m_upgradeEvent, false);12 Console.WriteLine("UpgradeEvent created");13 rwlock.LazyCreateEvent(ref rwlock.m_waitUpgradeEvent, true);14 Console.WriteLine("WaitUpgradeEvent created");15 Console.WriteLine("All Events created");16 }17}

Full Screen

Full Screen

LazyCreateEvent

Using AI Code Generation

copy

Full Screen

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

Full Screen

Full Screen

LazyCreateEvent

Using AI Code Generation

copy

Full Screen

1using System;2using System.Threading;3{4 static void Main()5 {6 ReaderWriterLock rwl = new ReaderWriterLock();7 EventWaitHandle releasedLock = rwl.LazyCreateEvent();8 rwl.AcquireReaderLock(Timeout.Infinite);9 Console.WriteLine("The lock is held. releasedLock is signaled: {0}", releasedLock.WaitOne(0, false));10 rwl.ReleaseReaderLock();11 Console.WriteLine("The lock is released. releasedLock is signaled: {0}", releasedLock.WaitOne(0, false));12 }13}14using System;15using System.Threading;16{17 static void Main()18 {19 ReaderWriterLockSlim rwl = new ReaderWriterLockSlim();20 EventWaitHandle releasedLock = rwl.LazyCreateEvent();21 rwl.EnterReadLock();22 Console.WriteLine("The lock is held. releasedLock is signaled: {0}", releasedLock.WaitOne(0, false));23 rwl.ExitReadLock();24 Console.WriteLine("The lock is released. releasedLock is signaled: {0}", releasedLock.WaitOne(0, false));25 }26}27using System;28using System.Threading;29{30 static void Main()31 {32 Semaphore sem = new Semaphore(0, 1);33 EventWaitHandle releasedSemaphore = sem.LazyCreateEvent();

Full Screen

Full Screen

LazyCreateEvent

Using AI Code Generation

copy

Full Screen

1using System;2using System.Threading;3{4 {5 static void Main(string[] args)6 {7 ReaderWriterLock rwl = new ReaderWriterLock();8 LockCookie lc = rwl.UpgradeToWriterLock(1000);9 rwl.DowngradeFromWriterLock(ref lc);10 lc = rwl.UpgradeToWriterLock(1000);11 rwl.DowngradeFromWriterLock(ref lc);12 lc = rwl.UpgradeToWriterLock(1000);13 rwl.DowngradeFromWriterLock(ref lc);14 lc = rwl.UpgradeToWriterLock(1000);15 rwl.DowngradeFromWriterLock(ref lc);16 }17 }18}19using System;20using System.Threading;21{22 {23 static void Main(string[] args)24 {25 ReaderWriterLock rwl = new ReaderWriterLock();26 LockCookie lc = rwl.UpgradeToWriterLock(1000);27 rwl.DowngradeFromWriterLock(ref lc);28 lc = rwl.UpgradeToWriterLock(1000);29 rwl.DowngradeFromWriterLock(ref lc);30 lc = rwl.UpgradeToWriterLock(1000);31 rwl.DowngradeFromWriterLock(ref lc);32 lc = rwl.UpgradeToWriterLock(1000);33 rwl.DowngradeFromWriterLock(ref lc);34 }35 }36}37using System;38using System.Threading;39{40 {41 static void Main(string[] args)42 {43 ReaderWriterLock rwl = new ReaderWriterLock();44 LockCookie lc = rwl.UpgradeToWriterLock(1000);

Full Screen

Full Screen

LazyCreateEvent

Using AI Code Generation

copy

Full Screen

1using System;2using System.Threading;3{4 static void Main()5 {6 ReaderWriterLock rwl = new ReaderWriterLock();7 Console.WriteLine("Creating new event object");8 rwl.LazyCreateEvent(ref rwl.m_eventWriteWaiters, true);9 Console.WriteLine("Event object created");10 }11}12using System;13using System.Threading;14{15 static void Main()16 {17 ReaderWriterLock rwl = new ReaderWriterLock();18 Console.WriteLine("Creating new event object");19 rwl.LazyCreateEvent(ref rwl.m_eventUpgradeWaiters, true);20 Console.WriteLine("Event object created");21 }22}23using System;24using System.Threading;25{26 static void Main()27 {28 ReaderWriterLock rwl = new ReaderWriterLock();29 Console.WriteLine("Creating new event object");30 rwl.LazyCreateEvent(ref rwl.m_eventReadWaiters, true);31 Console.WriteLine("Event object created");32 }33}34using System;35using System.Threading;36{37 static void Main()38 {39 ReaderWriterLock rwl = new ReaderWriterLock();40 Console.WriteLine("Creating new event object");41 rwl.LazyCreateEvent(ref rwl.m_eventWriteWaiters, false);42 Console.WriteLine("Event object created");43 }44}45using System;46using System.Threading;

Full Screen

Full Screen

LazyCreateEvent

Using AI Code Generation

copy

Full Screen

1using System;2using System.Threading;3{4{5static ReaderWriterLock rwLock = new ReaderWriterLock();6static void Main(string[] args)7{8Console.WriteLine("Enter the number of threads to be created");9int threadCount = Convert.ToInt32(Console.ReadLine());10Thread[] threads = new Thread[threadCount];11for (int i = 0; i < threadCount; i++)12{13threads[i] = new Thread(new ThreadStart(MyMethod));14threads[i].Name = "Thread" + i;15threads[i].Start();16}17Console.ReadLine();18}19static void MyMethod()20{21Console.WriteLine("Thread {0} is about to enter the lock", Thread.CurrentThread.Name);22rwLock.AcquireReaderLock(1000);23Console.WriteLine("Thread {0} has entered the lock", Thread.CurrentThread.Name);24Thread.Sleep(2000);25rwLock.ReleaseReaderLock();26Console.WriteLine("Thread {0} has exited the lock", Thread.CurrentThread.Name);27}28}29}30using System;31using System.Threading;32{33{34static ReaderWriterLock rwLock = new ReaderWriterLock();35static void Main(string[] args)36{37Console.WriteLine("Enter the number of threads to be created");38int threadCount = Convert.ToInt32(Console.ReadLine());39Thread[] threads = new Thread[threadCount];40for (int i = 0; i < threadCount; i++)41{42threads[i] = new Thread(new ThreadStart(MyMethod));43threads[i].Name = "Thread" + i;44threads[i].Start();45}

Full Screen

Full Screen

LazyCreateEvent

Using AI Code Generation

copy

Full Screen

1using System;2using System.Threading;3{4 public static void Main()5 {6 ReaderWriterLock myLock = new ReaderWriterLock();7 myLock.AcquireReaderLock(-1);8 Console.WriteLine("Read lock acquired");9 myLock.ReleaseReaderLock();10 Console.WriteLine("Read lock released");11 myLock.AcquireWriterLock(-1);12 Console.WriteLine("Write lock acquired");13 myLock.ReleaseWriterLock();14 Console.WriteLine("Write lock released");15 myLock.AcquireReaderLock(-1);16 Console.WriteLine("Read lock acquired");17 myLock.AcquireWriterLock(-1);18 Console.WriteLine("Write lock acquired");19 myLock.ReleaseReaderLock();20 Console.WriteLine("Read lock released");21 myLock.ReleaseWriterLock();22 Console.WriteLine("Write lock released");23 }24}25using System;26using System.Threading;27{28 public static void Main()29 {30 ReaderWriterLock myLock = new ReaderWriterLock();31 myLock.AcquireReaderLock(-1);32 Console.WriteLine("Read lock acquired");33 myLock.ReleaseReaderLock();34 Console.WriteLine("Read lock released");

Full Screen

Full Screen

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.

LambdaTest Learning Hubs:

YouTube

You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.

Run JustMockLite automation tests on LambdaTest cloud grid

Perform automation testing on 3000+ real desktop and mobile devices online.

Try LambdaTest Now !!

Get 100 minutes of automation test minutes FREE!!

Next-Gen App & Browser Testing Cloud

Was this article helpful?

Helpful

NotHelpful