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kernel: add __ASSERT() for thread priorities

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Verify the thread priorities are within the bounds when starting a new
thread and when changing the priority of a thread.

Change-Id: I007b3b249e4b80235b6439cbee44cad2f31973bb
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
This commit is contained in:
Benjamin Walsh 2016-11-08 15:44:05 -05:00 • committed by Benjamin Walsh
commit 3cc2ba9f9c
6 changed files with 31 additions and 0 deletions
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18
kernel/unified/include/ksched.h
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@ -36,6 +36,24 @@ extern void _move_thread_to_end_of_prio_q(struct k_thread *thread);
extern struct k_thread *_get_next_ready_thread(void);
extern int __must_switch_threads(void);
extern int32_t _ms_to_ticks(int32_t ms);
extern void idle(void *, void *, void *);
static inline int _is_idle_thread(void *entry_point)
{
return entry_point == idle;
}
#define _ASSERT_VALID_PRIO(prio, entry_point) do { \
__ASSERT(((prio) == K_IDLE_PRIO && _is_idle_thread(entry_point)) || \
(_is_prio_higher_or_equal((prio), \
K_LOWEST_APPLICATION_THREAD_PRIO) && \
_is_prio_lower_or_equal((prio), \
K_HIGHEST_APPLICATION_THREAD_PRIO)), \
"invalid priority (%d); allowed range: %d to %d", \
(prio), \
K_LOWEST_APPLICATION_THREAD_PRIO, \
K_HIGHEST_APPLICATION_THREAD_PRIO); \
} while ((0))
/*
* The _is_prio_higher family: I created this because higher priorities are