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core/cond.c: cond_wait() expect enabled interrupts

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This commit is contained in:
Mihai Renea 2024-10-24 09:37:22 +02:00
parent 5c06502c4d
commit a6b2b03c8d
1 changed files with 8 additions and 8 deletions
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16
core/cond.c
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@ -34,19 +34,19 @@ void cond_init(cond_t *cond)
void cond_wait(cond_t *cond, mutex_t *mutex)
{
unsigned irqstate = irq_disable();
assert(irq_is_enabled());
irq_disable();
thread_t *me = thread_get_active();
mutex_unlock(mutex);
sched_set_status(me, STATUS_COND_BLOCKED);
thread_add_to_list(&cond->queue, me);
irq_restore(irqstate);
irq_enable();
/* mutex_unlock() might reschedule, so it needs to be called with interrupts
* enabled. */
mutex_unlock(mutex);
thread_yield_higher();
/*
* Once we reach this point, the condition variable was signalled,
* and we are free to continue.
*/
/* Once we reach this point, the condition variable was signaled, and we are
* free to continue. */
mutex_lock(mutex);
}