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| author | cognet <cognet@FreeBSD.org> | 2006-01-26 01:30:34 +0000 |
|---|---|---|
| committer | cognet <cognet@FreeBSD.org> | 2006-01-26 01:30:34 +0000 |
| commit | aff5d6bf80c7cee1d2a2e3b664554663ba72ae78 (patch) | |
| tree | 781a0e3abe81e06061d092e0f9ce65e0421206c0 /sys/sys/ttycom.h | |
| parent | c912f7e052a7a4f90c0e7de657678a40d3d13619 (diff) | |
| download | FreeBSD-src-aff5d6bf80c7cee1d2a2e3b664554663ba72ae78.zip FreeBSD-src-aff5d6bf80c7cee1d2a2e3b664554663ba72ae78.tar.gz | |
Bring in a sysv-style pts implementation, as found in the rwatson_pts perforce branch. It works the same as its SysV/linux counterpart : You obtain a fd to the master pseudo terminal by opening /dev/ptmx, which craetes a node for the master as /dev/pty[num] and a node for the slave as /dev/pts/[num].
It should play nicely with the existing BSD ptys.
By default, the system will use the BSD ptys, one can set the sysctl
kern.pts.enable to 1 to make it use the new pts system.
The max number of pty that can be allocated on a system can be changed with the
sysctl kern.pts.max. It defaults to 1000, and can be increased, but it is not
recommanded, as any pty with a number > 999 won't be handled by whatever uses
utmp(5).
Diffstat (limited to 'sys/sys/ttycom.h')
| -rw-r--r-- | sys/sys/ttycom.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/sys/ttycom.h b/sys/sys/ttycom.h index 07db4ec..4545d84 100644 --- a/sys/sys/ttycom.h +++ b/sys/sys/ttycom.h @@ -63,7 +63,7 @@ struct winsize { /* 11-12 obsolete or unused */ #define TIOCEXCL _IO('t', 13) /* set exclusive use of tty */ #define TIOCNXCL _IO('t', 14) /* reset exclusive use of tty */ - /* 15 unused */ +#define TIOCGPTN _IOR('t', 15, int) /* Get pts number. */ #define TIOCFLUSH _IOW('t', 16, int) /* flush buffers */ /* 17-18 compat */ #define TIOCGETA _IOR('t', 19, struct termios) /* get termios struct */ |
