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Cancel read on socket
- Date: Sun, 25 May 2008 04:32:57 -0500
- From: joel.sherrill at OARcorp.com (Joel Sherrill)
- Subject: Cancel read on socket
Sergei Organov wrote:
> Leon Pollak <leonp at plris.com> writes:
>> On Monday, 26 ?May 2008, Sergei Organov wrote:
>> I studied the internet again.
>> And again I am afraid that shutdown will not help - please, correct me if I am
>> 1. shutdown seems not to cancel currently in progress "read" operation (which
>> blocked the task now).
> Well, I'm not sure about UDP sockets, but for TCP sockets it should cancel
> read operation the same way as if remote end had closed connection, I
> believe. Though the socket won't be useful for reading after that anyway.
> Alternate approach to your problem could be to configure receive timeout
> for the socket, like this:
> setsockopt(s, SOL_SOCKET, SO_RCVTIMEO, &tv, len);
Without thinking about compatibility at all, shouldn't it be
possible to add an RTEMS specific IOCTL which forced
a read() to return an error like ECANCELED?
> -- Sergei.
> rtems-users mailing list
> rtems-users at rtems.com
Joel Sherrill, Ph.D. Director of Research & Development
joel.sherrill at OARcorp.com On-Line Applications Research
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