Legacy Documentclose button

Important: The information in this document is obsolete and should not be used for new development.

Previous Book Contents Book Index Next

Inside Macintosh: Devices /
Chapter 6 - Power Manager / Power Manager Reference
Power Manager Dispatch Routines / Controlling the Sleep and Wakeup Timers


GetWakeupTimer

You can use the GetWakeupTimer function to find out when the computer will wake up from sleep mode.

void GetWakeupTimer(WakeupTime *theTime);
theTime
A pointer to a WakeupTime structure, which specifies whether the timer is enabled or disabled and the time at which the wakeup timer is set to wake the computer.
DESCRIPTION
The GetWakeupTimer function returns the time when the computer will wake up from sleep mode.

If the PowerBook model doesn't support the wakeup timer, GetWakeupTimer returns a value of 0.

ASSEMBLY-LANGUAGE INFORMATION
The trap is _PowerMgrDispatch ($A09E). The selector value for GetWakeupTimer is 22 ($16) in the low word of register D0. The pointer to WakeupTime is passed in register A0.

SEE ALSO
The WakeupTime structure is described in "Wakeup Time Structure," on page 6-27.


Previous Book Contents Book Index Next

© Apple Computer, Inc.
3 JUL 1996