public int RunTest()
{
int retCode = -10;
rwls = new ReaderWriterLockSlim(LockRecursionPolicy.SupportsRecursion);
threadCount = 0;
oneThreadAccess = 0;
retCode = DoTesting();
return retCode;
}
public static void EnterExit()
{
using (ReaderWriterLockSlim rwls = new ReaderWriterLockSlim())
{
Assert.False(rwls.IsReadLockHeld);
rwls.EnterReadLock();
Assert.True(rwls.IsReadLockHeld);
rwls.ExitReadLock();
Assert.False(rwls.IsReadLockHeld);
Assert.False(rwls.IsUpgradeableReadLockHeld);
rwls.EnterUpgradeableReadLock();
Assert.True(rwls.IsUpgradeableReadLockHeld);
rwls.ExitUpgradeableReadLock();
Assert.False(rwls.IsUpgradeableReadLockHeld);
Assert.False(rwls.IsWriteLockHeld);
rwls.EnterWriteLock();
Assert.True(rwls.IsWriteLockHeld);
rwls.ExitWriteLock();
Assert.False(rwls.IsWriteLockHeld);
Assert.False(rwls.IsUpgradeableReadLockHeld);
rwls.EnterUpgradeableReadLock();
Assert.False(rwls.IsWriteLockHeld);
Assert.True(rwls.IsUpgradeableReadLockHeld);
rwls.EnterWriteLock();
Assert.True(rwls.IsWriteLockHeld);
rwls.ExitWriteLock();
Assert.False(rwls.IsWriteLockHeld);
Assert.True(rwls.IsUpgradeableReadLockHeld);
rwls.ExitUpgradeableReadLock();
Assert.False(rwls.IsUpgradeableReadLockHeld);
Assert.True(rwls.TryEnterReadLock(0));
rwls.ExitReadLock();
Assert.True(rwls.TryEnterReadLock(Timeout.InfiniteTimeSpan));
rwls.ExitReadLock();
Assert.True(rwls.TryEnterUpgradeableReadLock(0));
rwls.ExitUpgradeableReadLock();
Assert.True(rwls.TryEnterUpgradeableReadLock(Timeout.InfiniteTimeSpan));
rwls.ExitUpgradeableReadLock();
Assert.True(rwls.TryEnterWriteLock(0));
rwls.ExitWriteLock();
Assert.True(rwls.TryEnterWriteLock(Timeout.InfiniteTimeSpan));
rwls.ExitWriteLock();
}
}
public static void ReaderWriterLockSlimPerf()
{
ReaderWriterLockSlim rwLock = new ReaderWriterLockSlim();
foreach (var iteration in Benchmark.Iterations)
{
using (iteration.StartMeasurement())
{
rwLock.EnterReadLock();
rwLock.ExitReadLock();
}
}
}
public TypeKeyRepository( TypeKeyRepository copiedFrom )
{
this._lock = new ReaderWriterLockSlim( LockRecursionPolicy.NoRecursion );
if ( copiedFrom == null )
{
this._table = new Dictionary<RuntimeTypeHandle, object>();
}
else
{
this._table = copiedFrom.GetClonedTable();
}
}
public static void Dispose()
{
ReaderWriterLockSlim rwls;
rwls = new ReaderWriterLockSlim();
rwls.Dispose();
Assert.Throws<ObjectDisposedException>(() => rwls.TryEnterReadLock(0));
Assert.Throws<ObjectDisposedException>(() => rwls.TryEnterUpgradeableReadLock(0));
Assert.Throws<ObjectDisposedException>(() => rwls.TryEnterWriteLock(0));
rwls.Dispose();
for (int i = 0; i < 3; i++)
{
rwls = new ReaderWriterLockSlim();
switch (i)
{
case 0: rwls.EnterReadLock(); break;
case 1: rwls.EnterUpgradeableReadLock(); break;
case 2: rwls.EnterWriteLock(); break;
}
Assert.Throws<SynchronizationLockException>(() => rwls.Dispose());
}
}
public static void Ctor()
{
ReaderWriterLockSlim rwls;
using (rwls = new ReaderWriterLockSlim())
{
Assert.Equal(LockRecursionPolicy.NoRecursion, rwls.RecursionPolicy);
}
using (rwls = new ReaderWriterLockSlim(LockRecursionPolicy.NoRecursion))
{
Assert.Equal(LockRecursionPolicy.NoRecursion, rwls.RecursionPolicy);
}
using (rwls = new ReaderWriterLockSlim((LockRecursionPolicy)12345))
{
Assert.Equal(LockRecursionPolicy.NoRecursion, rwls.RecursionPolicy);
}
using (rwls = new ReaderWriterLockSlim(LockRecursionPolicy.SupportsRecursion))
{
Assert.Equal(LockRecursionPolicy.SupportsRecursion, rwls.RecursionPolicy);
}
}
public static void InvalidTimeouts()
{
using (ReaderWriterLockSlim rwls = new ReaderWriterLockSlim())
{
Assert.Throws<ArgumentOutOfRangeException>(() => rwls.TryEnterReadLock(-2));
Assert.Throws<ArgumentOutOfRangeException>(() => rwls.TryEnterUpgradeableReadLock(-3));
Assert.Throws<ArgumentOutOfRangeException>(() => rwls.TryEnterWriteLock(-4));
Assert.Throws<ArgumentOutOfRangeException>(() => rwls.TryEnterReadLock(TimeSpan.MaxValue));
Assert.Throws<ArgumentOutOfRangeException>(() => rwls.TryEnterUpgradeableReadLock(TimeSpan.MinValue));
Assert.Throws<ArgumentOutOfRangeException>(() => rwls.TryEnterWriteLock(TimeSpan.FromMilliseconds(-2)));
}
}
public SubHybridTree(sbyte levelDepth,Vector3 pos)
: base(levelDepth)
{
position = pos+((Vector3.one*size)*0.5f);
queuedPoints = new List<Vector3>();
queuedValues = new List<sbyte>();
rwValueLock = new ReaderWriterLockSlim();
rwQueueLock = new ReaderWriterLockSlim();
rwNodePosLock = new ReaderWriterLockSlim();
rwNodeRightLock = new ReaderWriterLockSlim();
//position = pos;
}
internal LockEnumeratorWrapper(ReaderWriterLockSlim locker, IEnumerator <T> enumerator)
: base(locker, enumerator)
{
}
protected DisposableLockBase(ReaderWriterLockSlim rwLock)
{
this.rwLock = rwLock;
this.isDisposed = false;
}
/// <summary>
/// Initializes a new instance of the <see cref="T:ExitGames.Threading.UpgradeableReadLock"/> struct.
/// </summary>
/// <param name="syncObject">The reader writer lock</param>
private UpgradeableReadLock(ReaderWriterLockSlim syncObject)
{
this.syncObject = syncObject;
this.syncObject.EnterUpgradeableReadLock();
}
public WriteLockScope(ReaderWriterLockSlim @lock)
{
m_lock = @lock;
m_lock.EnterWriteLock();
}
public RwLock()
{
this.rwLock = new ReaderWriterLockSlim();
}
public BinaryFileIntegerArray(string path, int size)
{
Lock = new ReaderWriterLockSlim();
context = new ReadWriteContext(this);
int fileLength = size * sizeof(int);
this.path = path;
if (!File.Exists(path))
{
File.WriteAllBytes(path, new byte[fileLength]);
}
}
public PerRequestCacheManager(IHttpContextAccessor httpContextAccessor)
{
_httpContextAccessor = httpContextAccessor;
_locker = new ReaderWriterLockSlim();
}
static ParserLog()
{
ParserLog._readWriteLock = new ReaderWriterLockSlim();
}
/// <summary>
/// Initializes a new instance of the <see cref="ReaderWriterSlimLock"/> class.
/// </summary>
/// <param name="lock">The reference to <see cref="ReaderWriterLockSlim"/>.</param>
public ReaderWriterSlimLock(ReaderWriterLockSlim @lock)
{
this.@lock = @lock;
}
/// <summary>
/// Enters a critical section with <see cref="M:System.Threading.ReaderWriterLockSlim.TryEnterUpgradeableReadLock(System.Int32)"/> and returns a new instance of <see cref="T:ExitGames.Threading.WriteLock"/>.
/// </summary>
/// <param name="syncObject">
/// The reader writer lock.
/// </param>
/// <param name="millisecondsTimeout">
/// The timeout for <see cref="M:System.Threading.ReaderWriterLockSlim.TryEnterUpgradeableReadLock(System.Int32)"/> in milliseconds.
/// </param>
/// <returns>A <see cref="T:ExitGames.Threading.UpgradeableReadLock"/> that can be disposed to call <see cref="M:System.Threading.ReaderWriterLockSlim.ExitUpgradeableReadLock"/>.
/// </returns>
/// <exception cref="T:ExitGames.Threading.LockTimeoutException">
/// <see cref="M:System.Threading.ReaderWriterLockSlim.TryEnterUpgradeableReadLock(System.Int32)"/> returned false.
///</exception>
public static IDisposable TryEnter(ReaderWriterLockSlim syncObject, int millisecondsTimeout)
{
return(new UpgradeableReadLock(syncObject, millisecondsTimeout));
}
/// <summary>
/// Enters a critical section with <see cref="M:System.Threading.ReaderWriterLockSlim.EnterUpgradeableReadLock"/> and returns a new instance of <see cref="T:ExitGames.Threading.UpgradeableReadLock"/>.
/// </summary>
/// <param name="syncObject">The reader writer lock.</param>
/// <returns>
/// A <see cref="T:ExitGames.Threading.UpgradeableReadLock"/> that can be disposed to call <see cref="M:System.Threading.ReaderWriterLockSlim.ExitUpgradeableReadLock"/>.
///</returns>
public static IDisposable Enter(ReaderWriterLockSlim syncObject)
{
return(new UpgradeableReadLock(syncObject));
}
public static void ReadersMayBeConcurrent()
{
using (Barrier barrier = new Barrier(2))
using (ReaderWriterLockSlim rwls = new ReaderWriterLockSlim())
{
Assert.Equal(0, rwls.CurrentReadCount);
Task.WaitAll(
Task.Run(() =>
{
rwls.EnterReadLock();
barrier.SignalAndWait(); // 1
Assert.True(rwls.IsReadLockHeld);
barrier.SignalAndWait(); // 2
Assert.Equal(2, rwls.CurrentReadCount);
barrier.SignalAndWait(); // 3
barrier.SignalAndWait(); // 4
rwls.ExitReadLock();
}),
Task.Run(() =>
{
barrier.SignalAndWait(); // 1
rwls.EnterReadLock();
barrier.SignalAndWait(); // 2
Assert.True(rwls.IsReadLockHeld);
Assert.Equal(0, rwls.WaitingReadCount);
barrier.SignalAndWait(); // 3
rwls.ExitReadLock();
barrier.SignalAndWait(); // 4
}));
Assert.Equal(0, rwls.CurrentReadCount);
}
}
/// <summary>
/// Creates a new ThreadSafeGenericList object.
/// </summary>
public ThreadSafeGenericList()
{
_items = new List <T>();
_lock = new ReaderWriterLockSlim(LockRecursionPolicy.SupportsRecursion);
}
static void Main(string[] args)
{
Options options;
try
{
options = Options.FromCommandLine(args);
}
catch (Options.ParsingException ex)
{
LOGGER.Fatal(ex.Message);
LOGGER.Info(Options.ShowUsage());
Environment.Exit(-1);
return;
}
server = createDefaultPRServer();
mutex = new ReaderWriterLockSlim();
try
{
endPoint = new UdpClient(new IPEndPoint(options.EmulatorIP, options.EmulatorPort));
}
catch (Exception ex)
{
LOGGER.Fatal("Unable to create UDP listener: " + ex.Message);
Environment.Exit(-1);
return;
}
for (int i = 0; i < 5; i++)
{
Thread thread = new Thread(() => ReporterWorker(options.BattlefieldIP, options.BattlefieldPort))
{
IsBackground = false // make sure no thread keeps working even if this reached the end
};
thread.Start();
}
LOGGER.Info("GSEmulator ready at {0}:{1}!", options.EmulatorIP.ToString(), options.EmulatorPort);
for (string line = Console.ReadLine(); line != null; line = Console.ReadLine())
{
try
{
LOGGER.Trace("Parsing: '{0}'", line);
Command command = Parser.Parse(line);
mutex.EnterWriteLock();
command.Execute(ref server);
}
catch (Exception ex)
{
LOGGER.Warn(ex.ToString());
}
finally { if (mutex.IsWriteLockHeld)
{
mutex.ExitWriteLock();
}
}
}
LOGGER.Warn("Python PIPE was closed");
// Closing UDP Client
// Causes worker threads to exit their while loop
endPoint.Close();
LOGGER.Info("GSEmulator is shuting down...");
}
public DisposableWriteLock(ReaderWriterLockSlim rwLock)
: base(rwLock)
{
this.Lock.EnterWriteLock();
}
/// <summary>
/// Creates a new ThreadSafeSortedList object.
/// </summary>
public ThreadSafeSortedList()
{
_items = new SortedList <TK, TV>();
_lock = new ReaderWriterLockSlim(LockRecursionPolicy.NoRecursion);
}
public UpgradeableReadLockHelper( ReaderWriterLockSlim readerWriterLock ) {
readerWriterLock.EnterUpgradeableReadLock();
this.readerWriterLock = readerWriterLock;
}
// Set methodExecutor, returning an error string if there are any problems (ambiguous match, etc.).
public void DetermineMethodInfo(CodeActivityMetadata metadata, MruCache <MethodInfo, Func <object, object[], object> > funcCache, ReaderWriterLockSlim locker,
ref MethodExecutor methodExecutor)
{
bool returnEarly = false;
MethodExecutor oldMethodExecutor = methodExecutor;
methodExecutor = null;
if (string.IsNullOrEmpty(this.MethodName))
{
metadata.AddValidationError(SR.ActivityPropertyMustBeSet("MethodName", this.Parent.DisplayName));
returnEarly = true;
}
Type targetType = this.TargetType;
// If TargetType and the type of TargetObject are both set, it's an error.
if (targetType != null && this.TargetObject != null && !this.TargetObject.IsEmpty)
{
metadata.AddValidationError(SR.TargetTypeAndTargetObjectAreMutuallyExclusive(this.Parent.GetType().Name, this.Parent.DisplayName));
returnEarly = true;
}
// If TargetType was set, look for a static method. If TargetObject was set, look for an instance method. They can't both be set.
BindingFlags bindingFlags = this.TargetType != null ? staticBindingFlags : instanceBindingFlags;
string bindingType = bindingFlags == staticBindingFlags ? staticString : instanceString;
if (targetType == null)
{
if (this.TargetObject != null && !this.TargetObject.IsEmpty)
{
targetType = this.TargetObject.ArgumentType;
}
else
{
metadata.AddValidationError(SR.OneOfTwoPropertiesMustBeSet("TargetObject", "TargetType", this.Parent.GetType().Name, this.Parent.DisplayName));
returnEarly = true;
}
}
// We've had one or more constraint violations already
if (returnEarly)
{
return;
}
// Convert OutArgs and InOutArgs to out/ref types before resolution
Type[] parameterTypes =
Parameters.Select(argument => argument.Direction == ArgumentDirection.In ? argument.ArgumentType : argument.ArgumentType.MakeByRefType())
.ToArray();
Type[] genericTypeArguments = this.GenericTypeArguments.ToArray();
InheritanceAndParamArrayAwareBinder methodBinder = new InheritanceAndParamArrayAwareBinder(targetType, genericTypeArguments, this.Parent);
// It may be possible to know (and check) the resultType even if the result won't be assigned anywhere.
// Used 1.) for detecting async pattern, and 2.) to make sure we selected the correct MethodInfo.
Type resultType = this.ResultType;
if (this.RunAsynchronously)
{
int formalParamCount = parameterTypes.Length;
Type[] beginMethodParameterTypes = new Type[formalParamCount + 2];
for (int i = 0; i < formalParamCount; i++)
{
beginMethodParameterTypes[i] = parameterTypes[i];
}
beginMethodParameterTypes[formalParamCount] = typeof(AsyncCallback);
beginMethodParameterTypes[formalParamCount + 1] = typeof(object);
Type[] endMethodParameterTypes = { typeof(IAsyncResult) };
this.beginMethod = Resolve(targetType, "Begin" + this.MethodName, bindingFlags,
methodBinder, beginMethodParameterTypes, genericTypeArguments, true);
if (this.beginMethod != null && !this.beginMethod.ReturnType.Equals(typeof(IAsyncResult)))
{
this.beginMethod = null;
}
this.endMethod = Resolve(targetType, "End" + this.MethodName, bindingFlags,
methodBinder, endMethodParameterTypes, genericTypeArguments, true);
if (this.endMethod != null && resultType != null && !TypeHelper.AreTypesCompatible(this.endMethod.ReturnType, resultType))
{
metadata.AddValidationError(SR.ReturnTypeIncompatible(this.endMethod.ReturnType.Name, MethodName, targetType.Name, this.Parent.DisplayName, resultType.Name));
this.endMethod = null;
return;
}
if (this.beginMethod != null && this.endMethod != null && this.beginMethod.IsStatic == this.endMethod.IsStatic)
{
if (!(oldMethodExecutor is AsyncPatternMethodExecutor) ||
!((AsyncPatternMethodExecutor)oldMethodExecutor).IsTheSame(this.beginMethod, this.endMethod))
{
methodExecutor = new AsyncPatternMethodExecutor(metadata, this.beginMethod, this.endMethod, this.Parent,
this.TargetType, this.TargetObject, this.Parameters, this.Result, funcCache, locker);
}
else
{
methodExecutor = new AsyncPatternMethodExecutor((AsyncPatternMethodExecutor)oldMethodExecutor,
this.TargetType, this.TargetObject, this.Parameters, this.Result);
}
return;
}
}
MethodInfo result;
try
{
result = Resolve(targetType, this.MethodName, bindingFlags,
methodBinder, parameterTypes, genericTypeArguments, false);
}
catch (AmbiguousMatchException)
{
metadata.AddValidationError(SR.DuplicateMethodFound(targetType.Name, bindingType, MethodName, this.Parent.DisplayName));
return;
}
if (result == null)
{
metadata.AddValidationError(SR.PublicMethodWithMatchingParameterDoesNotExist(targetType.Name, bindingType, MethodName, this.Parent.DisplayName));
return;
}
else if (resultType != null && !TypeHelper.AreTypesCompatible(result.ReturnType, resultType))
{
metadata.AddValidationError(
SR.ReturnTypeIncompatible(result.ReturnType.Name, MethodName,
targetType.Name, this.Parent.DisplayName, resultType.Name));
return;
}
else
{
this.syncMethod = result;
if (this.RunAsynchronously)
{
if (!(oldMethodExecutor is AsyncWaitCallbackMethodExecutor) ||
!((AsyncWaitCallbackMethodExecutor)oldMethodExecutor).IsTheSame(this.syncMethod))
{
methodExecutor = new AsyncWaitCallbackMethodExecutor(metadata, this.syncMethod, this.Parent,
this.TargetType, this.TargetObject, this.Parameters, this.Result, funcCache, locker);
}
else
{
methodExecutor = new AsyncWaitCallbackMethodExecutor((AsyncWaitCallbackMethodExecutor)oldMethodExecutor,
this.TargetType, this.TargetObject, this.Parameters, this.Result);
}
}
else if (!(oldMethodExecutor is SyncMethodExecutor) ||
!((SyncMethodExecutor)oldMethodExecutor).IsTheSame(this.syncMethod))
{
methodExecutor = new SyncMethodExecutor(metadata, this.syncMethod, this.Parent, this.TargetType,
this.TargetObject, this.Parameters, this.Result, funcCache, locker);
}
else
{
methodExecutor = new SyncMethodExecutor((SyncMethodExecutor)oldMethodExecutor, this.TargetType,
this.TargetObject, this.Parameters, this.Result);
}
}
}
public WriteLockHelper( ReaderWriterLockSlim readerWriterLock ) {
readerWriterLock.EnterWriteLock();
this.readerWriterLock = readerWriterLock;
}
/// <summary>
/// Initializes a new instance of the <see cref="WriteLockDisposable"/> class.
/// </summary>
/// <param name="rwLock">The rw lock.</param>
public WriteLockDisposable(ReaderWriterLockSlim rwLock)
{
_rwLock = rwLock;
_rwLock.EnterWriteLock();
}
public ObservableCollectionSafe()
{
_coll = new Collection <T>();
_lock = new ReaderWriterLockSlim(LockRecursionPolicy.SupportsRecursion);
}
public EvenCartLocker(ReaderWriterLockSlim @lock)
{
_lock = @lock;
_lock.EnterWriteLock();
}
public InMemoryEnvironmentStateRepository()
{
_lock = new ReaderWriterLockSlim();
_environmentState = new EnvironmentState(-1, new List <ToggleState>());
}
public static void QueueTask(int LinePriority,Task task,Task post)
{
if (taskPoolObject == null)
{
taskPoolObject = new GameObject("_taskPoolObject");
taskPoolObject.AddComponent<TaskPool>();
JobQueue = new List<Job>();
postJobQueue = new List<Job>();
rwLock = new ReaderWriterLockSlim();
tasks = new List<Task>();
if (workers == null)
{
workers = new ThreadWorker[8];
for (int i = 0; i < 8; i++)
{
workers[i] = new ThreadWorker(i);
workers[i].workerThread = new Thread(new ThreadStart(workers[i].Work));
workers[i].workerThread.Start();
}
//Debug.Log("started "+workers.Count.ToString()+" Workers");
}
}
Job InsertJob = new Job(task,post,LinePriority);
rwLock.EnterUpgradeableReadLock();
try
{
if (JobQueue == null)
{
rwLock.EnterWriteLock();
try
{
JobQueue = new List<Job>();
}
finally
{
rwLock.ExitWriteLock();
}
}
if (JobQueue != null)
{
rwLock.EnterWriteLock();
try
{
JobQueue.Add(InsertJob);
}
finally
{
rwLock.ExitWriteLock();
}
}
}
finally
{
rwLock.ExitUpgradeableReadLock();
}
}
public void Dispose()
{
_lock?.Dispose();
_lock = null;
}
public SubPathfinder(WorldTree target)
{
rwLock = new ReaderWriterLockSlim(LockRecursionPolicy.NoRecursion);
pathQueue = new List<AIPath>();
outsideQueue = new List<AIPath>();
syncedTree = new WorldTree(target.GetMaxLevelDepth());
targetTree = target;
}
public UpgradeableReadLockDisposable(ReaderWriterLockSlim rwLock)
{
this._rwLock = rwLock;
}
public static void DeadlockAvoidance()
{
using (ReaderWriterLockSlim rwls = new ReaderWriterLockSlim())
{
rwls.EnterReadLock();
Assert.Throws<LockRecursionException>(() => rwls.EnterReadLock());
Assert.Throws<LockRecursionException>(() => rwls.EnterUpgradeableReadLock());
Assert.Throws<LockRecursionException>(() => rwls.EnterWriteLock());
rwls.ExitReadLock();
rwls.EnterUpgradeableReadLock();
rwls.EnterReadLock();
Assert.Throws<LockRecursionException>(() => rwls.EnterReadLock());
rwls.ExitReadLock();
Assert.Throws<LockRecursionException>(() => rwls.EnterUpgradeableReadLock());
rwls.EnterWriteLock();
Assert.Throws<LockRecursionException>(() => rwls.EnterWriteLock());
rwls.ExitWriteLock();
rwls.ExitUpgradeableReadLock();
rwls.EnterWriteLock();
Assert.Throws<LockRecursionException>(() => rwls.EnterReadLock());
Assert.Throws<LockRecursionException>(() => rwls.EnterUpgradeableReadLock());
Assert.Throws<LockRecursionException>(() => rwls.EnterWriteLock());
rwls.ExitWriteLock();
}
using (ReaderWriterLockSlim rwls = new ReaderWriterLockSlim(LockRecursionPolicy.SupportsRecursion))
{
rwls.EnterReadLock();
Assert.Throws<LockRecursionException>(() => rwls.EnterWriteLock());
rwls.EnterReadLock();
Assert.Throws<LockRecursionException>(() => rwls.EnterUpgradeableReadLock());
rwls.ExitReadLock();
rwls.ExitReadLock();
rwls.EnterUpgradeableReadLock();
rwls.EnterReadLock();
rwls.EnterUpgradeableReadLock();
rwls.ExitUpgradeableReadLock();
rwls.EnterReadLock();
rwls.ExitReadLock();
rwls.ExitReadLock();
rwls.EnterWriteLock();
rwls.EnterWriteLock();
rwls.ExitWriteLock();
rwls.ExitWriteLock();
rwls.ExitUpgradeableReadLock();
rwls.EnterWriteLock();
rwls.EnterReadLock();
rwls.ExitReadLock();
rwls.EnterUpgradeableReadLock();
rwls.ExitUpgradeableReadLock();
rwls.EnterWriteLock();
rwls.ExitWriteLock();
rwls.ExitWriteLock();
}
}
private WriteLock(ReaderWriterLockSlim lockSlim)
{
_LockSlim = lockSlim;
_LockSlim.EnterWriteLock();
}
public static void InvalidExits(LockRecursionPolicy policy)
{
using (ReaderWriterLockSlim rwls = new ReaderWriterLockSlim(policy))
{
Assert.Throws<SynchronizationLockException>(() => rwls.ExitReadLock());
Assert.Throws<SynchronizationLockException>(() => rwls.ExitUpgradeableReadLock());
Assert.Throws<SynchronizationLockException>(() => rwls.ExitWriteLock());
rwls.EnterReadLock();
Assert.Throws<SynchronizationLockException>(() => rwls.ExitUpgradeableReadLock());
Assert.Throws<SynchronizationLockException>(() => rwls.ExitWriteLock());
rwls.ExitReadLock();
rwls.EnterUpgradeableReadLock();
Assert.Throws<SynchronizationLockException>(() => rwls.ExitReadLock());
Assert.Throws<SynchronizationLockException>(() => rwls.ExitWriteLock());
rwls.ExitUpgradeableReadLock();
rwls.EnterWriteLock();
Assert.Throws<SynchronizationLockException>(() => rwls.ExitReadLock());
Assert.Throws<SynchronizationLockException>(() => rwls.ExitUpgradeableReadLock());
rwls.ExitWriteLock();
using (Barrier barrier = new Barrier(2))
{
Task t = Task.Factory.StartNew(() =>
{
rwls.EnterWriteLock();
barrier.SignalAndWait();
barrier.SignalAndWait();
rwls.ExitWriteLock();
}, CancellationToken.None, TaskCreationOptions.LongRunning, TaskScheduler.Default);
barrier.SignalAndWait();
Assert.Throws<SynchronizationLockException>(() => rwls.ExitWriteLock());
barrier.SignalAndWait();
t.GetAwaiter().GetResult();
}
}
}
private ReadLock(ReaderWriterLockSlim lockSlim)
{
_LockSlim = lockSlim;
_LockSlim.TryEnterReadLock(TimeSpan.FromSeconds(ReadTimeout));
}
public static void WritersAreMutuallyExclusiveFromWriters()
{
using (Barrier barrier = new Barrier(2))
using (ReaderWriterLockSlim rwls = new ReaderWriterLockSlim())
{
Task.WaitAll(
Task.Run(() =>
{
rwls.EnterWriteLock();
barrier.SignalAndWait();
Assert.True(rwls.IsWriteLockHeld);
barrier.SignalAndWait();
rwls.ExitWriteLock();
}),
Task.Run(() =>
{
barrier.SignalAndWait();
Assert.False(rwls.TryEnterWriteLock(0));
Assert.False(rwls.IsReadLockHeld);
barrier.SignalAndWait();
}));
}
}
public WriterLockZone(ReaderWriterLockSlim rwl)
: this(new WriterLockWrapper(rwl))
{ }
public static void WriterToUpgradeableReaderChain()
{
using (AutoResetEvent are = new AutoResetEvent(false))
using (ReaderWriterLockSlim rwls = new ReaderWriterLockSlim())
{
rwls.EnterWriteLock();
Task t = Task.Factory.StartNew(() =>
{
Assert.False(rwls.TryEnterUpgradeableReadLock(TimeSpan.FromMilliseconds(10)));
Task.Run(() => are.Set()); // ideally this won't fire until we've called EnterReadLock, but it's a benign race in that the test will succeed either way
rwls.EnterUpgradeableReadLock();
rwls.ExitUpgradeableReadLock();
}, CancellationToken.None, TaskCreationOptions.LongRunning, TaskScheduler.Default);
are.WaitOne();
rwls.ExitWriteLock();
t.GetAwaiter().GetResult();
}
}
public void Clone(Connection connection)
{
this.SqlDatabase = connection.SqlDatabase;
this.SqlServerType = connection.SqlServerType;
this.m_connection = connection.m_connection;
this.m_bGlobal = connection.m_bGlobal;
this.m_lock = connection.m_lock;
this.m_nLockTimeout = connection.m_nLockTimeout;
this.m_nOpenCount = connection.m_nOpenCount;
}
private UpdateLock(ReaderWriterLockSlim lockSlim)
{
_LockSlim = lockSlim;
_LockSlim.EnterUpgradeableReadLock();
}
public WriteLock(ReaderWriterLockSlim locks)
: base(locks)
{
Locks.GetWriteLock(_Locks);
}
public WriterLockWrapper(ReaderWriterLockSlim rwl)
: base(rwl)
{ }
public ConcurrentEnumerator(IEnumerable <T> inner, ReaderWriterLockSlim @lock)
{
this._lock = @lock;
this._lock.EnterReadLock();
this._inner = inner.GetEnumerator();
}
public ConcurrentList(int capacity)
{
this._lock = new ReaderWriterLockSlim(LockRecursionPolicy.NoRecursion);
this._list = new List <T>(capacity);
}
public ConcurrentList(IEnumerable <T> items)
{
this._lock = new ReaderWriterLockSlim(LockRecursionPolicy.NoRecursion);
this._list = new List <T>(items);
}
public TypeKeyRepository( Dictionary<RuntimeTypeHandle, object> table )
{
this._lock = new ReaderWriterLockSlim( LockRecursionPolicy.NoRecursion );
this._table = table;
}
protected AbstractReaderWriterLockWrapper(ReaderWriterLockSlim rwl)
{
BaseLock = rwl;
}