October 2007
Intermediate to advanced
1308 pages
161h 13m
English
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SM_CONF_POLL
Use poll(2) instead of select(2) (V8.13 and later) Tune with confENVDEF
By default, the Milter library uses select(2) to determine whether I/O is present on any given Milter connection. This is sufficient at low-volume sites. But at sites that run many Milters or high numbers of parallel connections to them, poll(2) will prove more efficient. To switch your Milter library from use of select(2) to use of poll(2) define the following and then rebuild your Milter library:
APPENDDEF(`conf_libmilter_ENVDEF', `-DSM_CONF_POLL' )
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.