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| author | sheldonh <sheldonh@FreeBSD.org> | 1999-12-06 09:07:14 +0000 |
|---|---|---|
| committer | sheldonh <sheldonh@FreeBSD.org> | 1999-12-06 09:07:14 +0000 |
| commit | e8d92f3cffd5f85216f9c85965ed983d96f27ae5 (patch) | |
| tree | d230ca110acc88bfe989bd97a561957dcec31ab8 /sbin/init | |
| parent | 3f475828f27a59a5be6db1dcfe1691fe632cfab3 (diff) | |
| download | FreeBSD-src-e8d92f3cffd5f85216f9c85965ed983d96f27ae5.zip FreeBSD-src-e8d92f3cffd5f85216f9c85965ed983d96f27ae5.tar.gz | |
Correct the ttys.5 and init.8 manpages with respect to the incorrect
assumption that only getty processes can be managed. Describe the
SysV-like ability to keep arbitrary long-running processes alive
using a non-device first field in /etc/ttys.
PR: 12767
Submitted by: Peter Jeremy <peter.jeremy@alcatel.com.au>
Diffstat (limited to 'sbin/init')
| -rw-r--r-- | sbin/init/init.8 | 27 |
1 files changed, 20 insertions, 7 deletions
diff --git a/sbin/init/init.8 b/sbin/init/init.8 index d779c0e..c254963 100644 --- a/sbin/init/init.8 +++ b/sbin/init/init.8 @@ -152,7 +152,11 @@ maintains processes for the terminal ports found in the file .Xr ttys 5 . .Nm Init -reads this file, and executes the command found in the second field. +reads this file and executes the command found in the second field, +unless the first field refers to a device in +.Pa /dev +which is not configured. +The first field is supplied as the final argument to the command. This command is usually .Xr getty 8 ; .Nm getty @@ -182,6 +186,18 @@ executing a new .Nm getty for the line. .Pp +.Nm Init +can also be used to keep arbitrary daemons running, +automatically restarting them if they die. +In this case, the first field in the +.Xr ttys 5 +file must not reference the path to a configured device node +and will be passed to the daemon +as the final argument on its command line. +This is similar to the facility offered in the +.At V +.Pa /etc/inittab . +.Pp Line status (on, off, secure, getty, or window information) may be changed in the .Xr ttys 5 @@ -205,10 +221,8 @@ For any lines that were previously turned off in the .Xr ttys 5 file and are now on, .Nm -executes a new -.Nm getty -to enable a new login. -If the getty or window field for a line is changed, +executes the command specified in the second field. +If the command or window field for a line is changed, the change takes effect at the end of the current login session (e.g., the next time .Nm @@ -238,8 +252,7 @@ will not wait for them all to die (which might take forever), but will time out after 30 seconds and print a warning message. .Pp .Nm Init -will cease creating new -.Nm getty Ns 's +will cease creating new processes and allow the system to slowly die away, if it is sent a terminal stop .Pq Dv TSTP signal, i.e. |
