Re: Strange header file error

[Khem Raj <raj.khem@gmail.com>]

On Mon, 2008-07-14 at 14:58 -0500, E Robertson wrote:
> Hi All,
> I'm trying to explain this pthread.h header file error.
> I include this header file in my program. The snip of interest is this:
> 
> #ifndef _PTHREAD_H
> #define _PTHREAD_H  1
> 
> #include <features.h>
> 
> #include <sched.h>
> #include <time.h>
> 
> #define __need_sigset_t
> #include <signal.h>
> #include <bits/pthreadtypes.h>
> #include <bits/initspin.h>
> 
> __BEGIN_DECLS
> 
> /* Initializers.  */
> 
> #define PTHREAD_MUTEX_INITIALIZER \
>   {0, 0, 0, PTHREAD_MUTEX_ADAPTIVE_NP, __LOCK_INITIALIZER}
> #ifdef __USE_GNU
> # define PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP \
>   {0, 0, 0, PTHREAD_MUTEX_RECURSIVE_NP, __LOCK_INITIALIZER}
> # define PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP \
>   {0, 0, 0, PTHREAD_MUTEX_ERRORCHECK_NP, __LOCK_INITIALIZER}
> # define PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP \
>   {0, 0, 0, PTHREAD_MUTEX_ADAPTIVE_NP, __LOCK_INITIALIZER}
> #endif
> 
> 
> This is included in another header file where I place some #ifdef
> statements for  _PTHREAD_H,
> PTHREAD_MUTEX_INITIALIZER, PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP, and
> __USE_GNU.
> I also defined __USE_GNU just before the header file and none of these
> are redefined anywhere else.
> 
> >From this I notice all these defines are valid and present _except_
> PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP.
> I haven't figured out why this is so wired I don't see any possible
> reason how this could be possible.
> Am I out of my mind here? Is this really possible? Unless my
> arm-uclibc is doing something strange, I don't see how this could be.
> Anyone seen this before?  Thanks much.
> 
> _______________________________________________
> Openembedded-devel mailing list
> Openembedded-devel@lists.openembedded.org
> http://lists.linuxtogo.org/cgi-bin/mailman/listinfo/openembedded-devel




Its not clear from your email what you might be facing. You can
preprocess your source file with -E and see whats getting included

what happens when you use  -D_GNU_SOURCE ?

Thx

-Khem