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| author | ed <ed@FreeBSD.org> | 2009-06-28 12:02:15 +0000 |
|---|---|---|
| committer | ed <ed@FreeBSD.org> | 2009-06-28 12:02:15 +0000 |
| commit | fda6c6ecf488a5884ac01ca2fae490c4f804319d (patch) | |
| tree | 8692648eebd3db41f9068a599363a0d97c102db0 /sys/kern/tty.c | |
| parent | ee7f38d0ae5c325fee7a18176984f734a92b7c08 (diff) | |
| download | FreeBSD-src-fda6c6ecf488a5884ac01ca2fae490c4f804319d.zip FreeBSD-src-fda6c6ecf488a5884ac01ca2fae490c4f804319d.tar.gz | |
Add FIONWRITE support to TTYs.
TTYs already supported TIOCOUTQ, but FIONWRITE seems to be a more
generic name for this.
Approved by: re (kib)
Diffstat (limited to 'sys/kern/tty.c')
| -rw-r--r-- | sys/kern/tty.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/sys/kern/tty.c b/sys/kern/tty.c index f98a70f..d8a76d9 100644 --- a/sys/kern/tty.c +++ b/sys/kern/tty.c @@ -1341,6 +1341,10 @@ tty_generic_ioctl(struct tty *tp, u_long cmd, void *data, struct thread *td) case FIONREAD: *(int *)data = ttyinq_bytescanonicalized(&tp->t_inq); return (0); + case FIONWRITE: + case TIOCOUTQ: + *(int *)data = ttyoutq_bytesused(&tp->t_outq); + return (0); case FIOSETOWN: if (tp->t_session != NULL && !tty_is_ctty(tp, td->td_proc)) /* Not allowed to set ownership. */ @@ -1603,9 +1607,6 @@ tty_generic_ioctl(struct tty *tp, u_long cmd, void *data, struct thread *td) case TIOCNXCL: tp->t_flags &= ~TF_EXCLUDE; return (0); - case TIOCOUTQ: - *(unsigned int *)data = ttyoutq_bytesused(&tp->t_outq); - return (0); case TIOCSTOP: tp->t_flags |= TF_STOPPED; ttydevsw_pktnotify(tp, TIOCPKT_STOP); |
