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Re: writev is "unfair".
From: |
Ulrich Drepper |
Subject: |
Re: writev is "unfair". |
Date: |
27 Nov 2000 09:57:58 -0800 |
User-agent: |
Gnus/5.0807 (Gnus v5.8.7) XEmacs/21.1 (Capitol Reef) |
Sebastian Wilhelmi <address@hidden> writes:
> I just wanted to know, if such a change would at least have the chance to be
> included, or if it isn't possible because of e.g. diagnosis semantics, that
> require to call write inside writev exactly once.
None of this. The caller is responsible. The writev() on all
architectures guarantees only a given amount of records to written at
one time. Many OSes use 16, Linux I think has 1024. Use must not
exceed this limit. If you do we try to recover but it sometimes
fails.
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Ulrich Drepper \ ,-------------------' \ Sunnyvale, CA 94089 USA
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