long sys_timer_settime (timer_t timer_id, int flags, const struct itimerspec *new_setting, struct itimerspec *old_setting);

time_settime arms the time and sets the time if the new_setting struct member it_value is non-zero, until the next expiration of the timer specified by timer_id. If the timer was already armed when timer_settime was called, the call resets the time until the next expiration to new_setting. If the it_value of new_setting is zero, then the timer is disarmed. If old_setting is non-NULL, the function stores the previous amount of time before the timer would have expired, or zero if the timer was disarmed along withthe previous timer reload value in this argument.  

timer_settime returns 0 on success. Otherwise, timer_settime returns the errors listed in the "Errors" section.  

-EINVAL

An invalid timer_id value was specified.

-EFAULT

The new_setting valid is invalid.

timer_create(2), timer_delete(2), timer_getovverun(2), timer_gettime(2).  

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