Date: Fri, 30 Jul 1999 09:34:46 -0700 (PDT) From: Matthew Dillon <dillon@apollo.backplane.com> To: Ville-Pertti Keinonen <will@iki.fi> Cc: wes@softweyr.com (Wes Peters), hackers@FreeBSD.ORG Subject: Re: Documenting writev(2) ENOBUFS error Message-ID: <199907301634.JAA91238@apollo.backplane.com> References: <19990728170119.A47890@kilt.nothing-going-on.org> <37A06B6B.B5BF74CF@softweyr.com> <86yafy5x55.fsf@not.demophon.com>
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:wes@softweyr.com (Wes Peters) writes:
:
:> [ENOBUFS] Insufficient system buffer space exists to complete the op-
:> eration.
:
:Do you know what kind of circumstances that error *really* occurs
:under?
:
:If it happened with files, that would be a bug and should be fixed.
:The call is supposed to block to wait for writes to be possible. This
I am almost certain that this error can only occur when writing to
sockets, and only then of the network mbuf pool is completely exhausted.
UDP is probably the most vulernable.
-Matt
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