schedule_hrtimeout — sleep until timeout
int __sched schedule_hrtimeout ( | ktime_t * expires, |
const enum hrtimer_mode mode); |
Make the current task sleep until the given expiry time has
elapsed. The routine will return immediately unless
the current task state has been set (see set_current_state).
You can set the task state as follows -
TASK_UNINTERRUPTIBLE - at least timeout time is guaranteed to
pass before the routine returns.
TASK_INTERRUPTIBLE - the routine may return early if a signal is
delivered to the current task.
The current task state is guaranteed to be TASK_RUNNING when this routine returns.
Returns 0 when the timer has expired otherwise -EINTR