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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2014-08-02 16:22:31 +0200 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2014-08-05 09:30:33 +0200 |
| commit | 40dcafaf80a29c20d74594853a8ff04441eabd9c (patch) | |
| tree | 1541f69ee011198bd995f38069a2b1300fc4de76 /cpukit/score/include/rtems/score/basedefs.h | |
| parent | rbtree: Rename find header in find control (diff) | |
| download | rtems-40dcafaf80a29c20d74594853a8ff04441eabd9c.tar.bz2 | |
Add and use RTEMS_CONTAINER_OF()
Diffstat (limited to 'cpukit/score/include/rtems/score/basedefs.h')
| -rw-r--r-- | cpukit/score/include/rtems/score/basedefs.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/cpukit/score/include/rtems/score/basedefs.h b/cpukit/score/include/rtems/score/basedefs.h index 382a97ac10..ec93951a4f 100644 --- a/cpukit/score/include/rtems/score/basedefs.h +++ b/cpukit/score/include/rtems/score/basedefs.h @@ -217,6 +217,16 @@ */ #define RTEMS_ZERO_LENGTH_ARRAY 0 +/** + * @brief Returns a pointer to the container of a specified member pointer. + * + * @param[in] _m The pointer to a member of the container. + * @param[in] _type The type of the container. + * @param[in] _member_name The designator name of the container member. + */ +#define RTEMS_CONTAINER_OF( _m, _type, _member_name ) \ + ( (_type *) ( (uintptr_t) ( _m ) - offsetof( _type, _member_name ) ) ) + #ifndef ASM #ifdef RTEMS_DEPRECATED_TYPES typedef bool boolean; |