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oldlinux-files/docs/interrupts/int-html/rb-4294.htm
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<TITLE>Int 2F/AX=1010h/CX=0000h
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Int 2F/AX=1010h/CX=0000h - Novell DOS 7+ FDOS EXTENSIONS - SUPERSTOR - QUERY PHYS FREE SPACE -
AX = 1010h
CX = 0000h
Return: CX = free space
0000h if no physical space left on the drive
else there is still space available
Notes: This private function is internally called by the FDOS part of the
OS kernel on out of disk space conditions. It allows optimized
behaviour of DELWATCH delete tracking software in conjunction with
disk compression, and was implemented for SuperStor (but it would
also work with other disk compression if they hook this function).
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<h2>Int 2F/AX=1010h/CX=0000h
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<h3><font color=#C00040>Novell DOS 7+ FDOS EXTENSIONS - SUPERSTOR - QUERY PHYS FREE SPACE</font></h3>
<PRE>
AX = 1010h
CX = 0000h<br>
<p><b>Return:</b><br>CX = free space
0000h if no physical space left on the drive
else there is still space available
</PRE>
<p><b>Notes:</b>
This private function is internally called by the FDOS part of the
OS kernel on "out of disk space" conditions. It allows optimized
behaviour of DELWATCH delete tracking software in conjunction with
disk compression, and was implemented for SuperStor (but it would
also work with other disk compression if they hook this function).
If there truly is no physical space left on the drive, the FDOS asks
DELWATCH to purge files in its queue until enough space has been
freed, or there actually is no free disk space any more..
By using the INT 2F/AX=1001h FDOS hook, the call can be intercepted by
external system components such as SuperStor, bundled with DR DOS
"Panther" and Novell DOS 7 BETAs..
This function must under no circumstances be called by applications!
<p><b>See Also:</b>
<a href="rb-4285.htm" tppabs="http://www.ctyme.com/intr/rb-4285.htm">INT 2F/AX=1001h</a> - <a href="rb-4301.htm" tppabs="http://www.ctyme.com/intr/rb-4301.htm">AX=10FEh</a>
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<b>Category: <a href="cat-008.htm" tppabs="http://www.ctyme.com/intr/cat-008.htm">
Disk I/O Enhancements</a>
- <a href="int-2f-1.htm" tppabs="http://www.ctyme.com/intr/int-2F.htm">
Int 2Fh</a>
- <a href="alpha-n.htm" tppabs="http://www.ctyme.com/intr/alpha-n.htm">
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