July 25, 2008 12:55pm pdt

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2. TheLearn... 642,434
3. Sancler 370,108
4. Idle_Mind 368,987
5. PaulHews 349,257
6. Dhaest 293,974
7. Fernando... 258,085
8. jaime_oliv... 256,409
9. jcoehoorn 239,431
10. VBRocks 235,570
11. webtubbs 220,392
12. emoreau 216,722
13. vb_jonas 183,591
14. angelIII 170,840
15. GreenGho... 166,611

1. TheLearn... 4,096,917
2. Idle_Mind 3,446,139
3. Sancler 2,351,588
4. Fernando... 2,008,535
5. RonaldBie... 1,159,695
6. emoreau 1,032,045
7. jpaulino 995,082
8. iboutchkine 808,579
9. VBRocks 790,751
10. Chaosian 657,498
11. webtubbs 642,813
12. angelIII 637,547
13. PaulHews 636,298
14. planocz 617,745
15. arif_eqbal 596,164

02.20.2008 at 11:12AM PST, ID: 23178744

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7.8

VB.net multi-threading and thread.sleep

Zone: Microsoft Visual Basic.Net

I have a system service which runs a couple of additional threads to do some background work. One of the threads is used to process queued SQL commands generated in response to COM port events. I wanted to pause this thread for an appropriate interval after processing all the current items in the queue. To that end I used Thread.sleep(waittime). To monitor the cycling of this thread I have the thread write timestamped events into a custom event log that indicate the state of certain parameters prior to issuing the Sleep command. When I looked at the event log it looked as though the thread was never paused. The timestamped entries indicated multiple passes per millisecond. I had it set for a 5 second pause so I do not know why there are so many entries in the log per millisecond.

Is it generally better to pause an existing thread between new tasks or is it better to launch a new thread with each new task and then retire that thread when the task is finished?

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Question Stats

Zone: Programming

Question Asked By: kkamm

Solution Provided By: TheLearnedOne

Participating Experts: 1

Solution Grade: A

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