| 188,20 → 188,20 |
|---|
| * SYNCH_FLAGS_INTERRUPTIBLE bit is specified in flags. |
| |
| * If usec is greater than zero, regardless of the value of the |
| * SYNCH_FLAGS_NON_BLOCKING bit in flags, the call will not return until either timeout, |
| * interruption or wakeup comes. |
| * SYNCH_FLAGS_NON_BLOCKING bit in flags, the call will not return until either |
| * timeout, interruption or wakeup comes. |
| * |
| * If usec is zero and the SYNCH_FLAGS_NON_BLOCKING bit is not set in flags, the call |
| * will not return until wakeup or interruption comes. |
| * If usec is zero and the SYNCH_FLAGS_NON_BLOCKING bit is not set in flags, |
| * the call will not return until wakeup or interruption comes. |
| * |
| * If usec is zero and the SYNCH_FLAGS_NON_BLOCKING bit is set in flags, the call will |
| * immediately return, reporting either success or failure. |
| * If usec is zero and the SYNCH_FLAGS_NON_BLOCKING bit is set in flags, the |
| * call will immediately return, reporting either success or failure. |
| * |
| * @return Returns one of: ESYNCH_WOULD_BLOCK, ESYNCH_TIMEOUT, ESYNCH_INTERRUPTED, |
| * ESYNCH_OK_ATOMIC, ESYNCH_OK_BLOCKED. |
| * @return One of: ESYNCH_WOULD_BLOCK, ESYNCH_TIMEOUT, ESYNCH_INTERRUPTED, |
| * ESYNCH_OK_ATOMIC, ESYNCH_OK_BLOCKED. |
| * |
| * @li ESYNCH_WOULD_BLOCK means that the sleep failed because at the time |
| * of the call there was no pending wakeup. |
| * @li ESYNCH_WOULD_BLOCK means that the sleep failed because at the time of the |
| * call there was no pending wakeup. |
| * |
| * @li ESYNCH_TIMEOUT means that the sleep timed out. |
| * |
| 351,7 → 351,8 |
|---|
| return ESYNCH_TIMEOUT; |
| } |
| THREAD->timeout_pending = true; |
| timeout_register(&THREAD->sleep_timeout, (uint64_t) usec, waitq_timeouted_sleep, THREAD); |
| timeout_register(&THREAD->sleep_timeout, (uint64_t) usec, |
| waitq_timeouted_sleep, THREAD); |
| } |
| |
| list_append(&THREAD->wq_link, &wq->head); |
| 364,7 → 365,8 |
|---|
| |
| spinlock_unlock(&THREAD->lock); |
| |
| scheduler(); /* wq->lock is released in scheduler_separated_stack() */ |
| /* wq->lock is released in scheduler_separated_stack() */ |
| scheduler(); |
| |
| return ESYNCH_OK_BLOCKED; |
| } |
| 372,16 → 374,15 |
|---|
| |
| /** Wake up first thread sleeping in a wait queue |
| * |
| * Wake up first thread sleeping in a wait queue. |
| * This is the SMP- and IRQ-safe wrapper meant for |
| * general use. |
| * Wake up first thread sleeping in a wait queue. This is the SMP- and IRQ-safe |
| * wrapper meant for general use. |
| * |
| * Besides its 'normal' wakeup operation, it attempts |
| * to unregister possible timeout. |
| * Besides its 'normal' wakeup operation, it attempts to unregister possible |
| * timeout. |
| * |
| * @param wq Pointer to wait queue. |
| * @param all If this is non-zero, all sleeping threads |
| * will be woken up and missed count will be zeroed. |
| * @param all If this is non-zero, all sleeping threads will be woken up and |
| * missed count will be zeroed. |
| */ |
| void waitq_wakeup(waitq_t *wq, bool all) |
| { |
| 398,13 → 399,12 |
|---|
| |
| /** Internal SMP- and IRQ-unsafe version of waitq_wakeup() |
| * |
| * This is the internal SMP- and IRQ-unsafe version |
| * of waitq_wakeup(). It assumes wq->lock is already |
| * locked and interrupts are already disabled. |
| * This is the internal SMP- and IRQ-unsafe version of waitq_wakeup(). It |
| * assumes wq->lock is already locked and interrupts are already disabled. |
| * |
| * @param wq Pointer to wait queue. |
| * @param all If this is non-zero, all sleeping threads |
| * will be woken up and missed count will be zeroed. |
| * @param all If this is non-zero, all sleeping threads will be woken up and |
| * missed count will be zeroed. |
| */ |
| void _waitq_wakeup_unsafe(waitq_t *wq, bool all) |
| { |