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Diffstat (limited to 'doc/chan.n')
| -rw-r--r-- | doc/chan.n | 4 |
1 files changed, 3 insertions, 1 deletions
@@ -4,7 +4,7 @@ '\" See the file "license.terms" for information on usage and redistribution '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES. '\" -'\" RCS: @(#) $Id: chan.n,v 1.21 2008/10/14 14:02:55 dkf Exp $ +'\" RCS: @(#) $Id: chan.n,v 1.22 2008/10/15 10:43:37 dkf Exp $ .so man.macros .TH chan n 8.5 Tcl "Tcl Built-In Commands" .BS @@ -655,9 +655,11 @@ in which \fBchan configure\fR will alter input). .PP When reading from a serial port, most applications should configure the serial port channel to be nonblocking, like this: +.PP .CS \fBchan configure \fIchannelId \fB\-blocking \fI0\fR. .CE +.PP Then \fBchan read\fR behaves much like described above. Note that most serial ports are comparatively slow; it is entirely possible to get a \fBreadable\fR event for each character read from them. Care |