Inside Macintosh: Devices /

Chapter 6 - Power Manager / Power Manager Reference

Power Manager Dispatch Routines / Controlling the Sleep and Wakeup Timers

GetSleepTimeout

You can use the GetSleepTimeout function to find out how long the computer will wait before going to sleep.

unsigned char GetSleepTimeout();

DESCRIPTION

The GetSleepTimeout function returns the amount of time that the computer will wait after the last user activity before going to sleep. The value of GetSleepTimeout is expressed as the number of 15-second intervals that the computer will wait before going to sleep.

ASSEMBLY-LANGUAGE INFORMATION

The trap is _PowerMgrDispatch ($A09E). The selector value for GetSleepTimeout is 2 ($02) in the low word of register D0. The sleep timeout value is returned in the low word of register D0.