diff options
author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2016-06-24 11:22:03 +0200 |
---|---|---|
committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2016-06-24 14:44:31 +0200 |
commit | 254dc82daf8cbd6922376fcbb81c31e21cbf4d16 (patch) | |
tree | c58687f860da6543dc05ab14fdf7e8db8f77cfbc /cpukit/score/include/rtems/score/scheduleredf.h | |
parent | score: Silence integer conversion warnings (diff) | |
download | rtems-254dc82daf8cbd6922376fcbb81c31e21cbf4d16.tar.bz2 |
score: Change Priority_Control to 64-bit
A 32-bit Priority_Control limits the uptime to 49 days with a 1ms clock
tick in case the EDF scheduler is used. Increase it to 64-bit to enable
proper operation of the EDF scheduler,
Close 2173.
Diffstat (limited to '')
-rw-r--r-- | cpukit/score/include/rtems/score/scheduleredf.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/cpukit/score/include/rtems/score/scheduleredf.h b/cpukit/score/include/rtems/score/scheduleredf.h index c236bd5dd4..66bc17e203 100644 --- a/cpukit/score/include/rtems/score/scheduleredf.h +++ b/cpukit/score/include/rtems/score/scheduleredf.h @@ -24,6 +24,8 @@ #include <rtems/score/schedulerpriority.h> #include <rtems/score/rbtree.h> +#include <limits.h> + #ifdef __cplusplus extern "C" { #endif @@ -35,7 +37,12 @@ extern "C" { */ /**@{*/ -#define SCHEDULER_EDF_MAXIMUM_PRIORITY 0x7fffffff +/* + * Actually the EDF scheduler supports a maximum priority of + * 0x7fffffffffffffff, but the user API is limited to uint32_t or int for + * thread priorities. Ignore ILP64 targets for now. + */ +#define SCHEDULER_EDF_MAXIMUM_PRIORITY INT_MAX /** * Entry points for the Earliest Deadline First Scheduler. |