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> I am writing a application which needs to know fairly promptly if a
> daemon has died. I'd prefer not to ... run the program as a non-daemon
> child of a daemon watcher process.
Why not a watcher process, if I may ask. That is, I'd be tempted to
stash a copy of the daemon's executable, and in place of the original
executalbe put a piece of code that fork/exec'd the stashed copy, waited
for the exit, and notified you as need be.
The available operations on files in the /proc file system tend to
be a very limited subset of those on regular files; so I am not
surprised that F_NOTIFY didn't work.
--
I won't rest till it's the best ...
Programmer, Linux Scalability
Paul Jackson <pj@sgi.com> 1.650.933.1373
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