handle_early_requeue_pi

Name:handle_early_requeue_pi_wakeup() - Detect early wakeup on the initial futex*@hb: the hash_bucket futex_q was original enqueued on*@q: the futex_q woken while waiting to be requeued*@key2: the futex_key of the requeue target futex*@timeout: the timeout

Proto:static inline int handle_early_requeue_pi_wakeup(struct futex_hash_bucket *hb, struct futex_q *q, union futex_key *key2, struct hrtimer_sleeper *timeout)

Type:int

Parameter:

Type	Parameter	Name
struct futex_hash_bucket *	hb
struct futex_q *	q
union futex_key *	key2
struct hrtimer_sleeper *	timeout

3227

ret = 0

3236

If Not match_futex - Check whether two futex keys are equal*@key1: Pointer to key1*@key2: Pointer to key2* Return 1 if two futex_keys are equal, 0 otherwise. Then

3237

WARN_ON(lock_ptr && ( & lock != lock_ptr))

3242

plist_del - Remove a @node from plist.*@node: &struct plist_node pointer - entry to be removed*@head: &struct plist_head pointer - list head

3243

Reflects a waiter being removed from the waitqueue by wakeup* paths.

3246

ret = -EWOULDBLOCK

3247

If timeout && Not task Then ret = -ETIMEDOUT

3249

Else if signal_pending(current process) Then ret = -ERESTARTNOINTR

3252

Return ret

**Caller**
Name	Describe
futex_wait_requeue_pi	ex_wait_requeue_pi() - Wait on uaddr and take uaddr2@uaddr: the futex we initially wait on (non-pi)@flags: futex flags (FLAGS_SHARED, FLAGS_CLOCKRT, etc

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