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  • Category: Software
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Reply Message #1001 of 1043 |
Re: [PowerThreading] Debugging

Always on a worker thread per the Threads window (GUI not blocking). I've used a number of AEs to compose an asynchronous workflow (involves database transactions, and communication with a network devices). Wondering if at the very beginning of the workflow I should set the SyncContext null (and yield return 0) to make sure I'm not dragging the SyncContext around?

That being said, it doesn't make sense to me that the SyncContext is deadlocking the AE, but that the GUI is still responsive. Could this SyncContext be from somewhere other than my GUI?

On Wed, Jan 25, 2012 at 9:48 PM, Jeffrey Richter <JeffreyR@...> wrote:
 

Are you in a GUI app and blocking the GUI thread?

 

--Jeffrey Richter (http://Wintellect.com)

 

From: PowerThreading@yahoogroups.com [mailto:PowerThreading@yahoogroups.com] On Behalf Of Nathaniel Marler
Sent: Wednesday, January 25, 2012 10:36 PM


To: PowerThreading@yahoogroups.com
Subject: Re: [PowerThreading] Debugging

 

 

It appears related to the SyncContext. The first time through, the SyncContext is not null - but for subsequent calls it's null (not sure yet why that is). By setting the ae's SyncContext = null before calling BeginExecute I can hit all the breaks.

 

Thanks,

 

-Nate
Thu Jan 26, 2012 4:21 am

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Message #1001 of 1043 |
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I have an odd situation and could use some debugging advice. The first time I call Foo below I only see break (1), and never any others (I expect 1, 2, 3, 4,... 		Nathaniel
nathanielmarler Offline Send Email 		Jan 25, 2012
8:32 pm

I just tried this and it did work for me. My full code is below. This did uncover a small somewhat unrelated bug where ResumeCallback did not get invoked and I...
Jeffrey Richter
jeffrey.richter Offline Send Email 		Jan 26, 2012
1:10 am

I've been using your AE now for a few years in several projects and never had a problem quite like this. No doubt that AE is solid - this is almost certainly...
Nathaniel Marler
nathanielmarler Offline Send Email 		Jan 26, 2012
2:38 am

So, you tried the code I sent in a console app and it did work for you but your version with the singleton does not work? --Jeffrey Richter...
Jeffrey Richter
jeffrey.richter Offline Send Email 		Jan 26, 2012
2:43 am

Correct. Ran your sample code using original dll and confirmed the bug, then with your new version and confirmed the fix Referenced your new dll in my app and...
Nathaniel Marler
nathanielmarler Offline Send Email 		Jan 26, 2012
2:55 am

It appears related to the SyncContext. The first time through, the SyncContext is not null - but for subsequent calls it's null (not sure yet why that is). By...
Nathaniel Marler
nathanielmarler Offline Send Email 		Jan 26, 2012
3:36 am

Are you in a GUI app and blocking the GUI thread? --Jeffrey Richter (http://Wintellect.com) From: PowerThreading@yahoogroups.com...
Jeffrey Richter
jeffrey.richter Offline Send Email 		Jan 26, 2012
3:48 am

Always on a worker thread per the Threads window (GUI not blocking). I've used a number of AEs to compose an asynchronous workflow (involves database ...
Nathaniel Marler
nathanielmarler Offline Send Email 		Jan 26, 2012
4:22 am
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