[lwip-users] Re: Re: [lwip] sys_thread_new Newbie question

[james]

Hello, kevin stokes,

        I think this doc will bring some helps

www.hmse.com/products/hew/docs/app20010602-03.pdf

                                            

======= At 2002-07-17, 07:30:00 you wrote: =======

>Thanks very much for your assistance.
>
>The DSP/BIOS docs don't specify that the threads delete themselves on exit.  
>They imply that the threads hang around with a TERMINATED flag after they 
>exit, so I assume I'll have write code to deal with it.
>
>Thanks again for your help with this question.
>
>-Kevin Stokes
>
>
>>From: Kieran Mansley <address@hidden>
>>Reply-To: address@hidden
>>To: address@hidden
>>Subject: Re: [lwip] sys_thread_new Newbie question
>>Date: Tue, 16 Jul 2002 21:18:36 +0100 (BST)
>>
>>On Tue, 16 Jul 2002, kevin stokes wrote:
>>
>> > Greetings,
>> >   I'm attempting to port lwIP to TI's DSP/BIOS operating system.
>> >
>> >   So far, I'm very pleased with lwIP, and it looks like it will be 
>>perfect
>> > for my application.
>> >
>> >   The DOC says you can implement sys_thread_new() if you like.  Some
>> > questions about that:
>> >
>> > 1.) If I want to start out without it, how do I go about specifying 
>>that, so
>> > I don't have to implement sys_thread_new()?
>>
>>I take if you've read http://www.sics.se/~adam/lwip/os.html
>>
>>You don't explicitly have to specify anything, just alters the parts of
>>lwip that you can make use of.  Also, you're responsible for calling the
>>tcp_tmr() function as it can't be implemented as a separate thread.
>>
>> > 2.) sys_thread_new() creates a new thread, but what destroys it?  Are we
>> > supposed to implement code that knows when the (given) function returns 
>>and
>> > then delete the thread?   If we don't explicitly delete the thread, then 
>>RAM
>> > will be wasted..
>>
>>Usually threads destroy themselves when their path of execution comes to
>>an end.  This is the same as the way a program destroys itself when you
>>call exit(), or main() returns, or whatever - you don't have to do
>>anything to clean it up.  I'm not familiar with the operating system
>>you're working with, so no idea if that's the case there.
>>
>>Hope that helps,
>>
>>Kieran
>>
>>[This message was sent through the lwip discussion list.]
>
>
>
>
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Best regards.                            
james
address@hidden
2002-07-18





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