[TriLUG] Shared libs

[Joseph Mack NA3T]

On Thu, 12 Nov 2009, Patrick Brewer wrote:

> One more detail...
>
> To the best of my memory Unix systems also do a lazy copy. 
> Meaning that even data can be shared until something is 
> written to it. On the write the memory page will be copied 
> and assigned to the app doing the write. Not sure if that 
> is true of data segments in shared libs, but I don't see 
> why it wouldn't be the case.

sounds reasonable. How would I know? Would I see the copy on 
write with a debugger?

Joe

-- 
Joseph Mack NA3T EME(B,D), FM05lw North Carolina
jmack (at) wm7d (dot) net - azimuthal equidistant map
generator at http://www.wm7d.net/azproj.shtml
Homepage http://www.austintek.com/ It's GNU/Linux!