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Inside Macintosh: Devices /

Chapter 2 - Slot Manager / Slot Manager Reference

Slot Manager Routines / Managing the Slot Interrupt Queue

SIntRemove

You use the SIntRemove function to remove an interrupt handler from a slot's interrupt queue.

FUNCTION SIntRemove (sIntQElemPtr: SQElemPtr; 
                     theSlot: Integer) : OsErr;

sIntQElemPtr

A pointer to a slot interrupt queue element record, described on page 2-28.

theSlot

The slot number.

DESCRIPTION

The SIntRemove function removes an element from the interrupt queue for a slot. You provide a pointer to a slot interrupt queue element in the sIntQElemPtr parameter and specify the slot number in theSlot.

ASSEMBLY-LANGUAGE INFORMATION

The trap macro for the SIntRemove function is _SIntRemove ($A076).

You must set up register D0 with the slot number and register A0 with the address of the slot queue element. When _SIntRemove returns, register D0 contains the result code.

Registers on entry
A0	address of the slot queue element
D0	slot number

Registers on exit
D0	Result code

RESULT CODES

noErr

0

No error

SEE ALSO

For a description of the slot interrupt queue element record, see "Slot Interrupt Queue Element" on page 2-28.