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kernel: Refactor, unifying _pend_current_thread() + _Swap() idiom

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Everywhere the current thread is pended, the code is going to have to
do a _Swap() soon afterward, yet the scheduler API exposed these as
separate steps.  Unify this pattern everywhere it appears, which saves
some code bytes and gets _Swap() out of the general scheduler API at
zero cost.

Signed-off-by: Andy Ross <andrew.j.ross@intel.com>
This commit is contained in:
Andy Ross 2018-03-26 11:58:10 -07:00 • committed by Anas Nashif
commit e0a572beeb
15 changed files with 28 additions and 45 deletions
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kernel/include/ksched.h
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@ -26,7 +26,7 @@ extern int _reschedule_yield(int key);
extern void k_sched_unlock(void);
extern void _pend_thread(struct k_thread *thread,
_wait_q_t *wait_q, s32_t timeout);
extern void _pend_current_thread(_wait_q_t *wait_q, s32_t timeout);
extern int _pend_current_thread(int key, _wait_q_t *wait_q, s32_t timeout);
extern void _move_thread_to_end_of_prio_q(struct k_thread *thread);
extern int _is_thread_time_slicing(struct k_thread *thread);
extern void _update_time_slice_before_swap(void);