poll_schedule_timeout

Name:poll_schedule_timeout

Proto:static int poll_schedule_timeout(struct poll_wqueues *pwq, int state, ktime_t *expires, unsigned long slack)

Type:int

Parameter:

Type	Parameter	Name
struct poll_wqueues *	pwq
int	state
ktime_t *	expires
unsigned long	slack

239

rc = -EINTR

241

set_current_state(state)

242

If Not triggered Then rc = schedule_hrtimeout_range - sleep until timeout*@expires: timeout value (ktime_t)*@delta: slack in expires timeout (ktime_t)*@mode: timer mode* Make the current task sleep until the given expiry time has* elapsed. The routine will return immediately unless

244

set_current_state() includes a barrier so that the write of current->state* is correctly serialised wrt the caller's subsequent test of whether to* actually sleep:* for (;;) {* set_current_state(TASK_UNINTERRUPTIBLE);* if (!need_sleep)* break;* (Used in tsk->state: )

257

smp_store_mb(triggered, 0)

259

Return rc

**Caller**
Name	Describe
do_select
do_poll

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