Programming Forums > Application Development > C#

kruptof · Jun 12th, 2008, 1:41 PM

The method Thread.AllocateNamedDataSlot allocates a data slot on all threads, is there something like this but acts on the local thread instead of all the threads?

ghg5 · Jun 12th, 2008, 2:45 PM

check this link out I believe its what your looking for http://www.dotnetcoders.com/web/Arti...icle=58&p=true
Still Uses the Thread.AllocateNamedDataSlot but then it uses a local data slot specific to the thread.

kruptof · Jun 12th, 2008, 3:32 PM

Sorry I am not that good with threads perhaps you can clear this up for me. If I have the following code:

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main()
{
    new Thread(doit).start(1);
    new Thread(doit).start(2);
}
public void doit(object o)
{
    LocalDataStoreSlot lds = Thread.GetNamedDataSlot("SleepTime");#1
    Thread.setData(lds,o);#2
}

Wouldn't the datastore lds points to eventually contain the value 2, or would each thread get its own slot.

The Dark · Jun 12th, 2008, 6:54 PM

From this link http://msdn.microsoft.com/en-us/libr...ddataslot.aspx
it says

Quote:

Data slots are unique per thread. No other thread (not even a child thread) can get that data.

So it looks like each thread gets its own data.

Dameon · Jun 13th, 2008, 1:53 PM

AllocateNamedDataSlot is kind of useless to you. GetNamedDataSlot will allocate it if the slot does not exist.

Each thread has its own value for a particular named data slot. They don't affect each other.

Using the ThreadStaticAttribute might be easier to follow. Does essentially the same thing. http://msdn.microsoft.com/en-us/libr...attribute.aspx

Jun 13th, 2008, 1:53 PM	#5
Dameon Troll Join Date: Apr 2005 Location: Texas Posts: 732 Rep Power: 4	Re: Thread.AllocateNamedDataSlot AllocateNamedDataSlot is kind of useless to you. GetNamedDataSlot will allocate it if the slot does not exist. Each thread has its own value for a particular named data slot. They don't affect each other. Using the ThreadStaticAttribute might be easier to follow. Does essentially the same thing. http://msdn.microsoft.com/en-us/libr...attribute.aspx __________________ MD5(sig) = bcef75433db02e9ad9bf81d6f7c5c270

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Jun 12th, 2008, 2:45 PM	#2
ghg5 Newbie Join Date: Apr 2008 Location: flagstaff az Posts: 18 Rep Power: 0	Re: Thread.AllocateNamedDataSlot check this link out I believe its what your looking for http://www.dotnetcoders.com/web/Arti...icle=58&p=true Still Uses the Thread.AllocateNamedDataSlot but then it uses a local data slot specific to the thread. Last edited by ghg5; Jun 12th, 2008 at 3:04 PM.

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