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 :: Mailing Lists

[ILUG] pthread_self() on Whitebox linux

[ILUG] pthread_self() on Whitebox linux

Liam Bedford lbedford at lbedford.org
Wed Dec 15 16:50:55 GMT 2004


Bryan O'Donoghue wrote:

> On Suse 9.1 pthread_self() returns a positive number, top shows 
> something like 15 threads running life is good.
>
> When I take the same sources from CVS, check them out to a Whitebox 
> linux install (no patches), build and run the resulting binary.
>
> top shows one running process.
> pthread_self() returns a negative number.
>
> My first question is, does anybody know what this is.
>
> My second question is, would this be the behavious on RH* ?
>
> I've asked uncle google about this, but, it's having none of it.

It's most likely NPTL. With redhat from 9 upwards, each thread doesn't 
show up as a new process.

Not sure why pthread_self returns a negative number.. maybe it's 
returning an unsigned int?

L.



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