diff options
Diffstat (limited to 'cpukit/include')
| -rw-r--r-- | cpukit/include/rtems/score/io.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/cpukit/include/rtems/score/io.h b/cpukit/include/rtems/score/io.h index d7bf188be0..106418f185 100644 --- a/cpukit/include/rtems/score/io.h +++ b/cpukit/include/rtems/score/io.h @@ -133,6 +133,14 @@ int _IO_Base64url( int wordlen ); +/** + * @brief Issues a couple of no-operation instructions. + * + * This function may be used to burn a couple of processor cycles with minimum + * impact on the system bus. It may be used in busy wait loops. + */ +void _IO_Relax( void ); + /** @} */ #ifdef __cplusplus |