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  2. RPG400-L
  3. September 2015

Re: Question on socket non block read

Brad,

It sounds to me like you & I have had the opposite experiences. I've never seen recv/send hang on a non-blocking socket. (Blocking, yes... that's a different story.)

But I've definitely had problems with select() waiting for data when there's already data available. As I mentioned before, this is a documented/expected situation with SSL sockets. Though, I've seen it on non-SSL sockets, too, though I suspect that was a bug that was fixed years back.

-SK


On 9/18/2015 10:24 AM, Bradley Stone wrote:
Scott,

I personally use select() before reads and writes to check for data that's
ready as well for a timeout from a dropped/disconnected socket.

I added that years ago to my sockets applications... I'm not exactly sure
why but I seem to recall having issues with bad connections where
read/write would just hang.

Brad
www.bvstools.com


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