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author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2017-09-15 13:14:57 +0200 |
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committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2017-09-15 13:57:38 +0200 |
commit | 3b47ce73fa67efaeb1c92dc0129efa92f22d747c (patch) | |
tree | adbb3251887d6e07a284bfe10a058c0f08b43e91 /cpukit/posix/include | |
parent | libio: Remove rtems_libio_t::driver (diff) | |
download | rtems-3b47ce73fa67efaeb1c92dc0129efa92f22d747c.tar.bz2 |
posix: Allow PTHREAD_PROCESS_SHARED for mutexes
Close #3125.
Diffstat (limited to 'cpukit/posix/include')
-rw-r--r-- | cpukit/posix/include/rtems/posix/posixapi.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/cpukit/posix/include/rtems/posix/posixapi.h b/cpukit/posix/include/rtems/posix/posixapi.h index 1a64cf7a1d..2441a2ee6f 100644 --- a/cpukit/posix/include/rtems/posix/posixapi.h +++ b/cpukit/posix/include/rtems/posix/posixapi.h @@ -26,6 +26,8 @@ #include <rtems/score/threadimpl.h> #include <rtems/seterr.h> +#include <pthread.h> + /** * @defgroup POSIXAPI RTEMS POSIX API * @@ -125,6 +127,19 @@ RTEMS_INLINE_ROUTINE int _POSIX_Zero_or_minus_one_plus_errno( } \ return (type *) the_object +/* + * See also The Open Group Base Specifications Issue 7, IEEE Std 1003.1-2008, + * 2016 Edition, subsection 2.9.9, Synchronization Object Copies and + * Alternative Mappings. + * + * http://pubs.opengroup.org/onlinepubs/9699919799/functions/V2_chap02.html#tag_15_09_09 + */ +RTEMS_INLINE_ROUTINE bool _POSIX_Is_valid_pshared( int pshared ) +{ + return pshared == PTHREAD_PROCESS_PRIVATE || + pshared == PTHREAD_PROCESS_SHARED; +} + /** @} */ #endif |