Messages in this thread | | | Subject | Re: select() fails... sometimes | Date | Sat, 22 May 1999 22:19:52 +0200 (MEST) | From | (Rogier Wolff) |
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Miguel Angel García Grande wrote: > Thank you very much, Kurt. > > The reason seems to be a feature I didn't know: If select() indicates you > can read from a handle but read() really gets nothing, it means the handle ^^^^^^^^^^^^^^^^^ returns zero > has some kind of error (connection closed, etc). ^^^^^^^^ NO!
returning 0 is completely different from "error". It is the standard "end of file" indication.
You should also note that errno is not modified in that case.
Roger.
-- ** R.E.Wolff@BitWizard.nl ** http://www.BitWizard.nl/ ** +31-15-2137555 ** *-- BitWizard writes Linux device drivers for any device you may have! --* ------ Microsoft SELLS you Windows, Linux GIVES you the whole house ------
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