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authorru <ru@FreeBSD.org>2006-09-18 15:24:20 +0000
committerru <ru@FreeBSD.org>2006-09-18 15:24:20 +0000
commit5b7cf06c1d6a501a30cb062cdf3039b21f8540b7 (patch)
tree7ce11c80607432aa06e11d08d3f4089cbe22b8a5 /share/man/man4/pty.4
parent90595a0fc9e928e9e2909fe6f171a1e68396ceec (diff)
downloadFreeBSD-src-5b7cf06c1d6a501a30cb062cdf3039b21f8540b7.zip
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Markup fixes.
Diffstat (limited to 'share/man/man4/pty.4')
-rw-r--r--share/man/man4/pty.447
1 files changed, 30 insertions, 17 deletions
diff --git a/share/man/man4/pty.4 b/share/man/man4/pty.4
index ffc7183..0880d0c 100644
--- a/share/man/man4/pty.4
+++ b/share/man/man4/pty.4
@@ -177,39 +177,52 @@ mode, command operations may be detected with a
.Xr select 2
for exceptional conditions.
.El
-
-There is currently two pty systems available : the original BSD pty, and a
+.Pp
+There is currently two
+.Nm
+systems available: the original
+.Bx Nm ,
+and a
SysVR4 pts-like implementation.
-You can switch between the two implementations by setting the
+It is possible to switch between the two implementations by setting the
.Va kern.pts.enable
-sysctl. Setting it to 0 will use the BSD pty, to non-zero the pts
-implementation. It defaults to 0.
-You can set the maximum number of ptys which can be allocated at the same time
-with the
+sysctl.
+Setting it to 0 will use the
+.Bx Nm ,
+to non-zero the pts implementation.
+It defaults to 0.
+It is possible to set the maximum number of ptys
+which can be allocated at the same time with the
.Va kern.pts.max
-sysctl. It defaults to 1000.
+sysctl.
+It defaults to 1000.
It is not recommanded to use more than 1000 pseudo-terminals, as all software
which use
.Xr utmp 5
will not be able to handle pseudo-terminals with number superior to 999.
-
-The pts implementation also supports the
+.Pp
+The pts implementation also supports the
.Dv TIOCGPTN
.Xr ioctl 2
-call, which takes a pointer to an unsigned int as a parameter and provides the
+call, which takes a pointer to an
+.Vt "unsigned int"
+as a parameter and provides the
number of the pty.
-
.Sh FILES
-.Bl -tag -width /dev/tty[p-sP-S][0-9a-v]x -compact
-The files used by the BSD pseudo terminals implementation are :
+The files used by the
+.Bx
+pseudo terminals implementation are:
+.Pp
+.Bl -tag -width ".Pa /dev/tty[p-sP-S][0-9a-v]" -compact
.It Pa /dev/pty[p-sP-S][0-9a-v]
master pseudo terminals
.It Pa /dev/tty[p-sP-S][0-9a-v]
slave pseudo terminals
-
.El
-The files used by the pts implementation are :
-.Bl -tag -width /dev/pts/[num]x -compact
+.Pp
+The files used by the pts implementation are:
+.Pp
+.Bl -tag -width ".Pa /dev/pts/[num]" -compact
.It Pa /dev/ptmx
control device, returns a file descriptor to a new master pseudo terminal
when opened.
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