From: shayyaps AT yahoo DOT com (Iyappa Swaminathan)
Newsgroups: comp.os.msdos.djgpp
Subject: Help with Fat DS
Date: 18 Jul 2002 09:06:26 -0700
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To: djgpp AT delorie DOT com
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Reply-To: djgpp AT delorie DOT com

Hi, 

I am trying to read from the locations in the range 0x40000000 and in
the range 0xffff0000. I tried using the __djgpp_near_ptr_enable()
function, and then using _farpeekx() functions to read from those
locations using _dos_ds. But I am getting a SIGSEGV error.

I even tried extending the limits of _dos_ds by doing 

__dpmi_set_segment_base_address(_dos_ds, 0) and
__dpmi_set_segment_limit(_dos_ds, 0xffffffff)

The above calls succeed, but the net result is the same. I am not able
to read from those locations?

Any help would be greatly appreciated. 

Thanks,
Iyapps.