You should also know that Linux implements multi-threading (internally) as
processes. So a multi-threaded program will have multiple 'ps' entries just as
well.
On Thu, 05 Oct 2000, you wrote:
>
> hi!
>
> with fork, you spawn a complete copy of the whole program and run it as
> another process, which isn't exactly multithreading. if you do an exec,
> you load another program (i think) and run it. if you want to use true
> multithreading, in which only part of your program is run as a separate
> thread simultaneously with your main program, then you should use
> pthreads instead of fork or exec. i dont have a reference handy with me
> right now so i cant tell the exact syntax for using pthreads but it goes
> something like:
>
> create_pthread( <worker function>, <parameter>, <other flags>);
>
> the exact syntax may vary but the idea is the same. the worker function
> is the function you want to execute in a thread, the <parameter> is of
> course the parameter you want to pass to your function.
>
> hope this helps....
>
> joel
> =)
>
> > p e a r l i e wrote:
> >
> > Hi people !
> >
> > Can anybody enlighten me on these questions?
> >
> > - If I "fork" from within a program, can that be <considered>
> > multithreading ?
> > - What about if I do an "exec" ?
> > - Is "spawn" different from fork or exec ?
> >
> > Thanks.
> >
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