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SCHEDULE_HRTIMEOUT(9) | Driver Basics | SCHEDULE_HRTIMEOUT(9) |
NAME¶
schedule_hrtimeout - sleep until timeoutSYNOPSIS¶
int __sched
schedule_hrtimeout(ktime_t * expires,
const enum hrtimer_mode mode);
ARGUMENTS¶
expirestimeout value (ktime_t)
mode
timer mode, HRTIMER_MODE_ABS or HRTIMER_MODE_REL
DESCRIPTION¶
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 -EINTRCOPYRIGHT¶
January 2017 | Kernel Hackers Manual 4.8. |