List of routines safe to use in signals?

[Heiko Blume]

brnstnd at kramden.acf.nyu.edu (Dan Bernstein) writes:
>> The definition and purpose of a
>> specification in computer programming is that it tells you, as a programmer,
>> what YOU need to do and what the FUNCTION guarantees to do when you call it.

>Exactly. Like close() is guaranteed to return either 0 or -1 with EBADF
>or EINTR. Whether the file is local or over NFS, close() *guarantees*
>not to return anything else.

yeah!

close(2):

[ENOLINK]   Fildes is on a remote machine and the link to that machine
            is no longer active. (system V Release 3.2).

sounds adequate for NFS, but is for RFS as far as i know.
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