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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2017-10-20 08:31:36 +0200 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2017-10-24 09:37:22 +0200 |
| commit | 27cfe7c86ba0801f4961871869ec4e691ca694f3 (patch) | |
| tree | c273dd3776caa064ea60f910411329369b66cc39 /cpukit/sapi/include | |
| parent | score: Add _Thread_Add_timeout_ticks() (diff) | |
| download | rtems-27cfe7c86ba0801f4961871869ec4e691ca694f3.tar.bz2 | |
score: Add _Watchdog_Ticks_per_second
This value is frequently used. Avoid the function call overhead and the
integer division at run-time.
Update #3117.
Update #3182.
Diffstat (limited to 'cpukit/sapi/include')
| -rwxr-xr-x | cpukit/sapi/include/confdefs.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/cpukit/sapi/include/confdefs.h b/cpukit/sapi/include/confdefs.h index a64170bdff..3dfcf9b2d5 100755 --- a/cpukit/sapi/include/confdefs.h +++ b/cpukit/sapi/include/confdefs.h @@ -2287,6 +2287,8 @@ extern rtems_initialization_tasks_table Initialization_tasks[]; RTEMS_MILLISECONDS_TO_MICROSECONDS(10) #endif + #define _CONFIGURE_TICKS_PER_SECOND (1000000 / CONFIGURE_MICROSECONDS_PER_TICK) + /** The configures the number of clock ticks per timeslice. */ #ifndef CONFIGURE_TICKS_PER_TIMESLICE #define CONFIGURE_TICKS_PER_TIMESLICE 50 @@ -3102,6 +3104,8 @@ extern rtems_initialization_tasks_table Initialization_tasks[]; const size_t _Thread_Control_add_on_count = RTEMS_ARRAY_SIZE( _Thread_Control_add_ons ); + const uint32_t _Watchdog_Ticks_per_second = _CONFIGURE_TICKS_PER_SECOND; + /** * This is the Classic API Configuration Table. */ |