This is the mail archive of the
ecos-discuss@sourceware.org
mailing list for the eCos project.
Re: priority of main thread
Robert Brusa wrote:
> On Thu, 20 Nov 2008 16:34:18 +0100, Gary Thomas <gary@mlbassoc.com> wrote:
>
>> How is main() getting started? Since you've overridden the
>> default cyg_user_start() [which normally starts the main thread],
>> it's not clear to me how main() even runs.
>>
>
> If there is anywhere a main in a project, it gets started - but after
> cyg_user_start. That's what I have read in the manual and somewhere I
> have read that a main is required when one uses some (which?) standard
> libraries that need initialisation. Because I use math and other
> libraries, I decided to have a main in my code. May be its not
> necessary, but it should do no harm (I hope).
Actually, main() is started by cyg_user_startup(). Look at
.../language/c/libc/startup/current/src/cstartup.cxx
--
------------------------------------------------------------
Gary Thomas | Consulting for the
MLB Associates | Embedded world
------------------------------------------------------------
--
Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos
and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss