DOS/32 Advanced DOS Extender - Programmer's Reference

2.27 - DPMI function 0304h - Free Real Mode Callback Address

Releases a real mode callback address that was previously allocated with the Allocate Real Mode Callback Address DPMI function 0303h.


In: AX = 0304h
CX:DX = real mode callback address to be freed

if successful:
CF clear

if failed:
CF set
AX = error code

8024h - invalid callback address


a) Real mode callbacks are a limited system resource. Client should release any callback that it is no longer using.


Copyright Supernar Systems, Ltd. 1996-2005
All Rights Reserved.