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kernel: Change _reschedule signature

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_reschedule return's value is not used anywhere, except erroneously by
pthread_barrier_wait.

Signed-off-by: Flavio Ceolin <flavio.ceolin@intel.com>
This commit is contained in:
Flavio Ceolin 2018-09-12 17:27:11 -07:00 • committed by Anas Nashif
commit 98c64b6d92
4 changed files with 11 additions and 6 deletions
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2
kernel/include/ksched.h
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@ -38,7 +38,7 @@ int _is_thread_time_slicing(struct k_thread *thread);
void _unpend_thread_no_timeout(struct k_thread *thread);
int _pend_current_thread(int key, _wait_q_t *wait_q, s32_t timeout);
void _pend_thread(struct k_thread *thread, _wait_q_t *wait_q, s32_t timeout);
int _reschedule(int key);
void _reschedule(int key);
struct k_thread *_unpend_first_thread(_wait_q_t *wait_q);
void _unpend_thread(struct k_thread *thread);
int _unpend_all(_wait_q_t *wait_q);

6
kernel/sched.c
View file

@ -376,7 +376,7 @@ void _thread_priority_set(struct k_thread *thread, int prio)
}
}
int _reschedule(int key)
void _reschedule(int key)
{
#ifdef CONFIG_SMP
if (!_current_cpu->swap_ok) {
@ -394,13 +394,13 @@ int _reschedule(int key)
return _Swap(key);
#else
if (_get_next_ready_thread() != _current) {
return _Swap(key);
(void)_Swap(key);
return;
}
#endif
noswap:
irq_unlock(key);
return 0;
}
void k_sched_lock(void)

6
lib/posix/pthread_barrier.c
View file

@ -11,6 +11,9 @@
int pthread_barrier_wait(pthread_barrier_t *b)
{
/* FIXME: This function should return PTHREAD_BARRIER_SERIAL_THREAD
* for an arbitrary thread and 0 for the others.
*/
int key = irq_lock();
b->count++;
@ -21,7 +24,8 @@ int pthread_barrier_wait(pthread_barrier_t *b)
while (_waitq_head(&b->wait_q)) {
_ready_one_thread(&b->wait_q);
}
return _reschedule(key);
_reschedule(key);
return 0;
} else {
return _pend_current_thread(key, &b->wait_q, K_FOREVER);
}

3
lib/posix/pthread_mutex.c
View file

@ -141,7 +141,8 @@ int pthread_mutex_unlock(pthread_mutex_t *m)
m->lock_count++;
_ready_thread(thread);
_set_thread_return_value(thread, 0);
return _reschedule(key);
_reschedule(key);
return 0;
}
m->owner = NULL;