diff options
| author | ed <ed@FreeBSD.org> | 2009-09-06 10:27:45 +0000 |
|---|---|---|
| committer | ed <ed@FreeBSD.org> | 2009-09-06 10:27:45 +0000 |
| commit | 73faea23017b4ce65aa723109ce740c5dacc3dc1 (patch) | |
| tree | 6d9a466863179e420214ce35c14f77dc63cfd4c0 /share | |
| parent | d8177c84337105c433440a5aa9dada5bf71e0d65 (diff) | |
| download | FreeBSD-src-73faea23017b4ce65aa723109ce740c5dacc3dc1.zip FreeBSD-src-73faea23017b4ce65aa723109ce740c5dacc3dc1.tar.gz | |
Move ptmx into pty(4).
Now that pty(4) is a loadable kernel module, I'd better move /dev/ptmx
in there as well. This means that pty(4) now provides almost all
pseudo-terminal compatibility code. This means it's very easy to test
whether applications use the proper library interfaces when allocating
pseudo-terminals (namely posix_openpt and openpty).
Diffstat (limited to 'share')
| -rw-r--r-- | share/man/man4/pts.4 | 9 | ||||
| -rw-r--r-- | share/man/man4/pty.4 | 13 |
2 files changed, 11 insertions, 11 deletions
diff --git a/share/man/man4/pts.4 b/share/man/man4/pts.4 index dc13a90..d0e8832 100644 --- a/share/man/man4/pts.4 +++ b/share/man/man4/pts.4 @@ -147,15 +147,6 @@ The files used by this pseudo-terminals implementation are: .Pp .Bl -tag -width ".Pa /dev/pts/[num]" -.It Pa /dev/ptmx -Control device, returns a file descriptor to a new master -pseudo-terminal when opened. -This device should not be opened directly. -It's only available for binary compatibility. -New devices should only be allocated with -.Xr posix_openpt 2 -and -.Xr openpty 3 . .It Pa /dev/pts/[num] Pseudo-terminal slave devices. .El diff --git a/share/man/man4/pty.4 b/share/man/man4/pty.4 index 515f912..f72a8be 100644 --- a/share/man/man4/pty.4 +++ b/share/man/man4/pty.4 @@ -32,7 +32,7 @@ .Os .Sh NAME .Nm pty -.Nd BSD-style compatibility pseudo-terminal driver +.Nd BSD-style and System V-style compatibility pseudo-terminal driver .Sh SYNOPSIS .Cd "device pty" .Sh DESCRIPTION @@ -48,6 +48,12 @@ driver. A device node for this terminal shall be created, which has the name .Pa /dev/ttyXX . .Pp +The +.Nm +driver also provides a cloning System V +.Pa /dev/ptmx +device. +.Pp New code should not try to allocate pseudo-terminals using this interface. It is only provided for compatibility with older C libraries @@ -63,6 +69,9 @@ device names: Pseudo-terminal master devices. .It Pa /dev/tty[l-sL-S][0-9a-v] Pseudo-terminal slave devices. +.It Pa /dev/ptmx +Control device, returns a file descriptor to a new master +pseudo-terminal when opened. .El .Sh DIAGNOSTICS None. @@ -75,7 +84,7 @@ A pseudo-terminal driver appeared in .Bx 4.2 . .Sh BUGS -Unlike previous implementations, the master slave device nodes are +Unlike previous implementations, the master and slave device nodes are destroyed when the PTY becomes unused. A call to .Xr stat 2 |
