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author | ru <ru@FreeBSD.org> | 2006-08-30 14:38:42 +0000 |
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committer | ru <ru@FreeBSD.org> | 2006-08-30 14:38:42 +0000 |
commit | 4c70accca4d8f2bb84cda7c58cafe529f3a3c0f2 (patch) | |
tree | 0288fbf464c4893ecafb933b5eaf5354e865ea9c /share/man | |
parent | 0387eca150a6329c0ce6afe2d22e000d4d3c3025 (diff) | |
download | FreeBSD-src-4c70accca4d8f2bb84cda7c58cafe529f3a3c0f2.zip FreeBSD-src-4c70accca4d8f2bb84cda7c58cafe529f3a3c0f2.tar.gz |
- Remove yet another mention of minor number construction
which is not applicable today.
- Provide an example of how to lock a speed.
Diffstat (limited to 'share/man')
-rw-r--r-- | share/man/man4/sio.4 | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/share/man/man4/sio.4 b/share/man/man4/sio.4 index b85936f..07e076d 100644 --- a/share/man/man4/sio.4 +++ b/share/man/man4/sio.4 @@ -36,7 +36,7 @@ .\" from: com.4,v 1.1 1993/08/06 11:19:07 cgd Exp .\" $FreeBSD$ .\" -.Dd October 17, 2004 +.Dd August 30, 2006 .Dt SIO 4 .Os .Sh NAME @@ -292,10 +292,6 @@ The .Nm driver also supports an initial-state and a lock-state control device for each of the callin and the callout "data" devices. -The minor number of the initial-state device is 32 higher -than that of the corresponding data device. -The minor number of the lock-state device is 64 higher -than that of the corresponding data device. The termios settings of a data device are copied from those of the corresponding initial-state device on first opens and are not inherited from previous opens. @@ -312,6 +308,11 @@ on the lock-state device. Speeds and special characters may be locked by setting the corresponding value in the lock-state device to any nonzero value. +E.g., to lock a speed to 115200, use +.Dq Li stty 115200 +on the initial-state device and +.Dq Li stty 1 +on the lock-state device. .Pp Correct programs talking to correctly wired external devices work with almost arbitrary initial states and almost no locking, |