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Non blocking I/O
- To: gnu-win32 at cygnus dot com
- Subject: Non blocking I/O
- From: Mike Bernson <mike at mbsun dot mlb dot org>
- Date: Sat, 17 May 1997 16:58:41 -0400
I am trying to set the the non-block read or write for a
tcp-socket.
I do the following fcntl(fd, SETFL, O_NONBLOCK) which does not
return any errors. Then a do a read on the fd and it blocks.
I need a way to do none blocking reads or find out how much data
is pending so I can do the read for just that amount of data.
The same would be nice for writes but not needed.
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