[patch] RTEMS pthread.h changes

Ralf Corsepius ralf.corsepius@rtems.org
Wed Dec 8 14:30:00 GMT 2010

On 12/08/2010 11:16 AM, Corinna Vinschen wrote:
> On Dec  8 11:02, Corinna Vinschen wrote:
>> Hi Ralf,
>> On Dec  7 17:09, Ralf Corsepius wrote:
>>> Hi,
>>> I am submitting the patch below on behalf of Joel, who currently is
>>> busy with other obligations.
>>> This patch adds a couple of POSIX pthread functions RTEMS is
>>> supporting and adds a new field "guardsize" to pthread_attr_t RTEMS
>>> internally applies to implement these functions.
>>> The latter is an ABI change and therefore might not be suitable for
>>> other OSes. May-be it should be enclosed into #ifndef __CYGWIN__ or
>>> #ifdef __rtems__ defines?
>> Cygwin has its own pthread.h, so Cygwin doesn't matter here.  However,
>> since it's an ABI change I'd suggest to enclose it in __rtems__
>> brackets.  It should only be enabled on a case by case basis.
OK, with me.

Just to prevent miscommunications: I was referring to the guardsize part 
in sys/types.h. The pthread.h part only extends the API, but doesn't 
introduce ABI changes.

> ...unless we can be sure that RTEMS and Cygwin are the only newlib-based
> systems which actually implement pthreads.
The ABI change is inside of the patch to sys/types.h :)

Updated patch enclosed below (Now with hopefully correct
ChangeLog entries)


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