Re: Newbie query: no "deamon" thread?

From: Mark Sizer (yg-boost-users_at_[hidden])
Date: 2003-06-05 19:23:47

BTW: Is there enough of a penalty to creating threads that a thread pool 
should be used rather than creating them on-demand? I'm curious because 
I'm using a pool pulling from a work queue.

- Mark

P.S. I realize "enough" is a bit vague.

Mark Sizer wrote:

> What is "the right thing"?
> 
> You don't HAVE to join(). The creating thread will just keep going if 
> you don't. If you join, it waits.
> 
> If you're passing ownership (e.g. delete responsibility) across thread 
> boundaries, you have to be careful, but that doesn't have much to do 
> with join().
> 
> After starting the thread, you can use a condtional in the creator to 
> wait for the thread to "get going" and accept ownership, sort of a 
> "started()" rather than an "ended()", like join(). Or you can flip it 
> around and have the started thread wait on the conditional whilst the 
> creator thread continues to use what will eventually be given to the thread.
> 
> Is that at all helpful?
> 
> - Mark
> 
> dick.bridges_at_[hidden] wrote:
> 
> 
>>I need to spawn worker threads that simply perform a task and exit.  All
>>the examples I can find seem to use join() to cleanup the thread resources
>>from another thread.  Isn't there some way to declare worker threads so
>>that they "do the right thing" as they exit the thread function?
>>
>>TIA
>>
>>
>>
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