Class AsyncCountdownEvent

Represents a synchronization primitive that is signaled when its count reaches zero.

Inheritance
Object
Synchronizer
AsyncCountdownEvent
Implements
IDisposable
Inherited Members
Namespace: DotNext.Threading
Assembly: DotNext.Threading.dll
Syntax
public class AsyncCountdownEvent : Synchronizer, IAsyncEvent, ISynchronizer, IDisposable
Remarks

This is asynchronous version of .

Constructors

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AsyncCountdownEvent(Int64)

Creates a new countdown event with the specified count.

Declaration
public AsyncCountdownEvent(long initialCount)
Parameters
Type Name Description
Int64 initialCount

The number of signals initially required to set the event.

Properties

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CurrentCount

Gets the number of remaining signals required to set the event.

Declaration
public long CurrentCount { get; }
Property Value
Type Description
Int64
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InitialCount

Gets the numbers of signals initially required to set the event.

Declaration
public long InitialCount { get; }
Property Value
Type Description
Int64

Methods

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AddCount()

Increments the current count by one.

Declaration
public void AddCount()
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AddCount(Int64)

Increments the current count by a specified value.

Declaration
public void AddCount(long signalCount)
Parameters
Type Name Description
Int64 signalCount

The value by which to increase CurrentCount.
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Reset()

Resets the CurrentCount to the value of InitialCount.

Declaration
public bool Reset()
Returns
Type Description
Boolean

true, if state of this object changed from signaled to non-signaled state; otherwise, false.
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Reset(Int64)

Resets the InitialCount property to a specified value.

Declaration
public bool Reset(long count)
Parameters
Type Name Description
Int64 count

The number of signals required to set this event.
Returns
Type Description
Boolean

true, if state of this object changed from signaled to non-signaled state; otherwise, false.
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Signal()

Registers multiple signals with this object, decrementing the value of CurrentCount by one.

Declaration
public bool Signal()
Returns
Type Description
Boolean

true if the signals caused the count to reach zero and the event was set; otherwise, false.
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Signal(Int64)

Registers multiple signals with this object, decrementing the value of CurrentCount by the specified amount.

Declaration
public bool Signal(long signalCount)
Parameters
Type Name Description
Int64 signalCount

The number of signals to register.
Returns
Type Description
Boolean

true if the signals caused the count to reach zero and the event was set; otherwise, false.
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TryAddCount()

Attempts to increment the current count by one.

Declaration
public bool TryAddCount()
Returns
Type Description
Boolean

true if the increment succeeded; if CurrentCount is already at zero this will return false.
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TryAddCount(Int64)

Attempts to increment the current count by a specified value.

Declaration
public bool TryAddCount(long signalCount)
Parameters
Type Name Description
Int64 signalCount

The value by which to increase CurrentCount.
Returns
Type Description
Boolean

true if the increment succeeded; if CurrentCount is already at zero this will return false.

Implements

IDisposable

Extension Methods