On Fri, 29 Apr 2005 20:56, Andrew L. Neporada wrote: > It seems that reopening /dev/cuaaX devices after close() takes exactly > 3 seconds on FreeBSD 4.10 (sorry, I've no 5.x systems available at the > moment). > > Here is output of attached program: > open() time: 155 us > open() time: 2995729 us > open() time: 2999811 us > open() time: 2999608 us > open() time: 2999711 us > open() time: 2999720 us > open() time: 2999713 us > open() time: 2999744 us > open() time: 2999673 us > open() time: 2999706 us > > Is this 3 second delay necessary? Can I get rid of it?
man comcontrol Try trimming the dtrwait value back and see how it goes. (Although I'm not sure why you want to open/close a serial port so frequently) -- Daniel O'Connor software and network engineer for Genesis Software - http://www.gsoft.com.au "The nice thing about standards is that there are so many of them to choose from." -- Andrew Tanenbaum GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C
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