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Architect_Programmer_Code Agriculture Network»Architect › Programming › .Net/C # › The difference between ManualResetEvent and AutoResetEvent in c# thread learning...
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[Source] The difference between ManualResetEvent and AutoResetEvent learned by C# threads

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Posted on 5/31/2018 2:59:47 PM | | | |
Let's discuss ManualResetEvent first, and I will intersperse some AutoResetEvent content during the discussion to compare:

ManualResetEvent can block one or more threads until a signal is received telling ManualResetEvent to stop blocking the current thread.

Information about ManualResetEvent

.net/c# Thread thread Suspend and Resume obsolete solutions
https://www.itsvse.com/thread-4769-1-1.html
(Source: Architect_Programmer)


Imagine that the ManualResetEvent object has a Boolean type property, IsRelease, to control whether to block the current thread. We can set this property when initializing, such as ManualResetEvent event=new ManualResetEvent(false); This indicates that the default property is to block the current thread.

Code example:



Note an important difference between ManualResetEvent and AutoResetEvent here:

manual will definitely send a signal to both thread 1 and thread 2,Auto will only send a signal to one of them randomly.

Why is one called manual and the other called auto? I think this is a question that many people have, and now we will look at this question.

Just now_manualResetEvent . Set(); I think everyone understands this sentence, which can be regarded as setting the property of IsRelease to true

_manualResetEvent.WaitOne(); No longer blocks thread 1 after receiving a signal. The value of IsRelease is true throughout the entire process after that.If

If you want to return the value of IsRelease to false, you must call the _manualResetEvent.Reset() method again.

If it is _autoResetEvent.set(), then _autoResetEvent.WaitOne() will automatically set the value of IsRelease to false.

That's why one is called auto and the other is manual.



Test code:







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 Landlord| Posted on 12/18/2024 8:30:44 PM |
Both ManualResetEvent and AutoResetEvent inherit from EventWaitHandle, as shown in the figure below:



Reference:The hyperlink login is visible.

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