Is System V.4 fork reliable?

[Alan Bland]

In article <561 at oglvee.UUCP> jr at oglvee.UUCP (Jim Rosenberg) writes:
>The number of utilities that both use fork and also understand that under
>some circumstances it ought to be *retried* if it fails is pitifully small.

fork(2) isn't the only System V call that needs to be retried under some
circumstances.  poll(2) is another one that can fail with EAGAIN, which means
it may work if you try again.  There are also others -- pay attention to
the errno descriptions in the programmers reference guide.
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-- Alan Bland
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