Re: Possible race in pserver leading to broken pipe error?

[Derek Robert Price]

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Steve McIntyre wrote:

>On Tue, Feb 10, 2004 at 07:23:43PM -0500, Derek Robert Price wrote:
>
>>Larry Jones wrote:
>>
>>>Derek Robert Price writes:
>>>
>>>>Yep, it just needed fflushes.  Working patch attached.  Comments before
>>>>I commit?
>>>
>>>
>>>fflush()/close() is a no-no -- you want fclose() instead.  Once you've
>>>attached a stream to a file descriptor, you have to be very careful
>>>about what you do to the file descriptor -- it's best to only use the
>>>stream from then on.
>>
>>
>>Why, if you don't mind me asking?  I couldn't find a man page for a file
>>descriptor flush - is there some way I could have flushed the pipe
>>without attaching the stream?
>
>
>fsync() or fdatasync() should do what you want here. Although you
>_should_ be able to mix stream and fd operations normally - stdio is
>meant to do the right thing AFAIK. But now I can't find the reference
>I had that said so, of course.


I tired fsync() and sync() originally and they didn't work.  I just
tried fdatasync() and it doesn't work either.  Keep in mind that these
are pipes and not files.

Derek

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