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Merge pull request #18584 from maribu/core/mutex.c

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core/mutex: fix priority inheritance on AVR
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benpicco 2022-09-13 16:39:23 +02:00 committed by GitHub
commit 4e5931b56a
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1 changed files with 10 additions and 10 deletions
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20
core/mutex.c
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@ -157,16 +157,6 @@ void mutex_unlock(mutex_t *mutex)
return;
}
#ifdef MODULE_CORE_MUTEX_PRIORITY_INHERITANCE
thread_t *owner = thread_get(mutex->owner);
if ((owner) && (owner->priority != mutex->owner_original_priority)) {
DEBUG("PID[%" PRIkernel_pid "] prio %u --> %u\n",
owner->pid,
(unsigned)owner->priority, (unsigned)owner->priority);
sched_change_priority(owner, mutex->owner_original_priority);
}
#endif
if (mutex->queue.next == MUTEX_LOCKED) {
mutex->queue.next = NULL;
/* the mutex was locked and no thread was waiting for it */
@ -188,6 +178,16 @@ void mutex_unlock(mutex_t *mutex)
uint16_t process_priority = process->priority;
#ifdef MODULE_CORE_MUTEX_PRIORITY_INHERITANCE
thread_t *owner = thread_get(mutex->owner);
if ((owner) && (owner->priority != mutex->owner_original_priority)) {
DEBUG("PID[%" PRIkernel_pid "] prio %u --> %u\n",
owner->pid,
(unsigned)owner->priority, (unsigned)owner->priority);
sched_change_priority(owner, mutex->owner_original_priority);
}
#endif
irq_restore(irqstate);
sched_switch(process_priority);
}