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SubjectRe: Async IO
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>We probably should create a couple of more signals... SIGUNUSED (31)
>is still available, SIGLOST (29) is commented out, signal number 0 is
>unused, and SIGPWR (30) basically only makes sense to init(8). I
>would suggest creating a SIGTHREAD reserved for Linuxthreads; that way
>it wouldn't have to eat up a user signal...

Signal 0 is not unused. It is traditionally used to "ping" a process.
If you send a process signal 0, you can see if it's alive by checking
the return code.

I would agree with the creation of a SIGTHREAD, though.

Tet

--
``Anyone who cannot cope with mathematics is not fully human. He is at
best a tolerable subhuman who has learned to wear shoes, bathe and
not make messes in the house.'' -- from the notebooks of Lazarus Long
--------------------+--------------+----------------------------------------
tethys@ml.com | Micro$oft: | Linux, the choice of a GNU generation.
tet@astradyne.co.uk | Just say no! | See http://www.uk.linux.org for details

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