Re: [Xenomai-help] how to build a Xenomai posix library ?

[Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>]

roderik.wildenburg@domain.hid wrote:
>>>> roderik.wildenburg@domain.hid wrote:
>>> *shmfd = shm_open(LOGSHMNAME, oflags, 0);
>> a shm name should contain one slash at the beginning and no 
>> other slash,
>> for best portability.
> 
> As I expected, reducing the number of slashes to one does not change the behavior.

I never said it would.

> 
>> If you want to create a shared memory, you should pass the 
>> O_CREAT flag.
> 
> As mentioned above, an other process creates the shared memory.

Is it also linked with xenomai posix skin?

> What I still don´t understand is, what influence the wrapper defines have on linking.
> With wrappers : aplication works fine. Without wrappers : application does not work !?

I would say that with wrappers, you are in fact using the vanilla linux
shared memory, by passing __wrap_shm_open, you really use xenomai posix
skin services.

If that is the case, when using the wrapped version, you should see the
shared memory appear under /dev/shm.

-- 
                                                 Gilles.