NAME    [Toc]    [Back]

     dopowerhooks - run all power hooks

SYNOPSIS    [Toc]    [Back]

     #include <sys/types.h>
     #include <sys/systm.h>

     void
     dopowerhooks(int why);

DESCRIPTION    [Toc]    [Back]

     The dopowerhooks() function invokes all power  hooks  established using the
     powerhook_establish(9)   function.    At   ``suspend''   and
``standby'' time,
     power hooks are called in reverse  order,  i.e.,  the  power
hook established
     last  will be called first.  At ``resume'' time, power hooks
are called in
     order, i.e., the power hook established first will be called
first.

     This  routine  is called from the apm(4) driver when a power
change is detected.
  The why argument is one of PWR_SUSPEND,  PWR_STANDBY, or
     PWR_RESUME,  describing  the  reason for the change in power
state.  Each
     established power hook is passed this information so the appropriate actions
 can be taken.

SEE ALSO    [Toc]    [Back]

     apm(4), powerhook_establish(9)

OpenBSD      3.6                           July      1,      2000