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| author | ed <ed@FreeBSD.org> | 2009-04-25 10:05:55 +0000 |
|---|---|---|
| committer | ed <ed@FreeBSD.org> | 2009-04-25 10:05:55 +0000 |
| commit | b8d7cb19636eb37c6cbc16a9e6d44a68265e7138 (patch) | |
| tree | 3cb0dc4398f6ff8a3f7bbff483ff279c4332724b /share/man/man4/pts.4 | |
| parent | 4ffa3051a8799989b43481594165c440e60f74a6 (diff) | |
| download | FreeBSD-src-b8d7cb19636eb37c6cbc16a9e6d44a68265e7138.zip FreeBSD-src-b8d7cb19636eb37c6cbc16a9e6d44a68265e7138.tar.gz | |
Turn MAXPTSDEVS into a sysctl tunable.
This allows users to increase the maximum amount of pseudo-terminals
without changing any source code. Users must increase UT_LINESIZE before
attempting to increase kern.pts_maxdev.
Diffstat (limited to 'share/man/man4/pts.4')
| -rw-r--r-- | share/man/man4/pts.4 | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/share/man/man4/pts.4 b/share/man/man4/pts.4 index 9ae2d73..294f1ef 100644 --- a/share/man/man4/pts.4 +++ b/share/man/man4/pts.4 @@ -156,6 +156,26 @@ though .It Pa /dev/pts/[num] Pseudo-terminal slave devices. .El +.Sh SYSCTL VARIABLES +The following +.Xr sysctl 8 +variables can be used to modify or monitor +.Nm +behavior. +.Bl -tag -width indent +.It Va kern.pts_maxdev +Highest pseudo-terminal unit number to be allocated. +Because +.Xr utmp 5 +is restricted to an 8-byte line name size, +.Nm +will not create any pseudo-terminals with a unit number above 999 by +default. +After increasing +.Dv UT_LINESIZE , +this variable can be changed to allow more than 1000 pseudo-terminals to +be allocated simultaneously. +.El .Sh DIAGNOSTICS None. .Sh SEE ALSO |
