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author | ru <ru@FreeBSD.org> | 2005-09-19 13:48:45 +0000 |
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committer | ru <ru@FreeBSD.org> | 2005-09-19 13:48:45 +0000 |
commit | db795b2c7606fa5ffdcc900c11384e51ad99d8b1 (patch) | |
tree | 8062ddf49e66f6cc93932a7d6e93c8b57aadfe32 /share | |
parent | c235110658b82d3add6a0ea46c53b60a0b73d467 (diff) | |
download | FreeBSD-src-db795b2c7606fa5ffdcc900c11384e51ad99d8b1.zip FreeBSD-src-db795b2c7606fa5ffdcc900c11384e51ad99d8b1.tar.gz |
Restore the ability to detach from a tty via SIOCSTTY and document
recent changes in a manpage.
Reviewed by: cognet
Diffstat (limited to 'share')
-rw-r--r-- | share/man/man4/snp.4 | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/share/man/man4/snp.4 b/share/man/man4/snp.4 index 809d30b..df70cb2 100644 --- a/share/man/man4/snp.4 +++ b/share/man/man4/snp.4 @@ -1,7 +1,7 @@ .\" .\" $FreeBSD$ .\" -.Dd February 24, 1995 +.Dd September 18, 2005 .Dt SNP 4 .Os .Sh NAME @@ -30,17 +30,20 @@ To associate a given .Nm device with a tty to be observed, open the .Nm -device and then use the +device and a tty device, and then issue the .Dv SNPSTTY -ioctl. +ioctl on +.Nm +device. The argument passed to the .Xr ioctl 2 is the address of a variable of type -.Vt udev_t . +.Vt int , +holding the file descriptor of a tty device. To detach the .Nm device from a tty use a pointer to a value of -.Dv NODEV . +\-1. .Pp The .Dv SNPGTTY |