diff options
| -rw-r--r-- | lib/libc/sys/open.2 | 16 | ||||
| -rw-r--r-- | sys/sys/fcntl.h | 5 |
2 files changed, 20 insertions, 1 deletions
diff --git a/lib/libc/sys/open.2 b/lib/libc/sys/open.2 index 8fc6d76..3a5979f 100644 --- a/lib/libc/sys/open.2 +++ b/lib/libc/sys/open.2 @@ -28,7 +28,7 @@ .\" @(#)open.2 8.2 (Berkeley) 11/16/93 .\" $FreeBSD$ .\" -.Dd April 10, 2008 +.Dd February 28, 2009 .Dt OPEN 2 .Os .Sh NAME @@ -116,6 +116,7 @@ O_FSYNC synchronous writes O_SYNC synchronous writes O_NOFOLLOW do not follow symlinks O_NOCTTY don't assign controlling terminal +O_TTY_INIT restore default terminal attributes .Ed .Pp Opening a file with @@ -208,6 +209,19 @@ The system call will not assign controlling terminals on .Fx . .Pp +.Dv O_TTY_INIT +may be used to ensure the OS restores the terminal attributes when +initially opening a TTY. +This is the default on +.Fx , +but is present for +.Tn POSIX +compatibility. +The initial call to +.Fn open +on a TTY will always restore default terminal attributes on +.Fx . +.Pp If successful, .Fn open returns a non-negative integer, termed a file descriptor. diff --git a/sys/sys/fcntl.h b/sys/sys/fcntl.h index 600ddd8..c3cbc51 100644 --- a/sys/sys/fcntl.h +++ b/sys/sys/fcntl.h @@ -140,6 +140,11 @@ typedef __pid_t pid_t; #define FEXEC O_EXEC #endif +/* Defined by POSIX 1003.1-2008; BSD default, but reserve for future use. */ +#if __POSIX_VISIBLE >= 200809 +#define O_TTY_INIT 0x00080000 /* Restore default termios attributes */ +#endif + /* * XXX missing O_DSYNC, O_RSYNC. */ |
