[ale] compiled system calls versus shell scripts
Geoffrey
esoteric at 3times25.net
Thu Oct 23 13:31:55 EDT 2003
Bjorn Dittmer-Roche wrote:
> I'm not comparing make to a custom built script, but rather to a c program
> (which I thought was what we were talking about, but perhaps I missed
> something).
Actually there were various discussions going on. My points are:
Writing C code that uses system() to spawn shells is no gain, and
actually more costly then just running the shells themselves.
I agree it would be a hell of a piece of C code that would properly deal
with the various start up processes and their associated dependencies.
Finally, I don't see the gain of using 'make' over just running various
shells within background processes. Either way, you must determine the
dependencies, regardless of how complex they are.
pseudo code for example:
start eth0
start samba &
sambapid=$!
start nfs &
nfspid=$!
(wait $sambapid ; mount /win95) &
(wait $nfspid; mount /nfsshare) &
--
Until later, Geoffrey esoteric at 3times25.net
Building secure systems inspite of Microsoft
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