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| author | phk <phk@FreeBSD.org> | 1999-09-28 11:45:31 +0000 |
|---|---|---|
| committer | phk <phk@FreeBSD.org> | 1999-09-28 11:45:31 +0000 |
| commit | 5e9f92ecf757c8f55ddae7d0dcec108fef05954d (patch) | |
| tree | 98fbe8a4cc58070df6f9fb9ad41348c78b444f78 /sys/kern/tty.c | |
| parent | 9f4fe5b99e561702e8ee5934290097d4ef487e94 (diff) | |
| download | FreeBSD-src-5e9f92ecf757c8f55ddae7d0dcec108fef05954d.zip FreeBSD-src-5e9f92ecf757c8f55ddae7d0dcec108fef05954d.tar.gz | |
Introduce ttyread() and ttywrite() which do the canonical thing.
Use them in many tty drivers.
Reviewed by: julian, bde
Diffstat (limited to 'sys/kern/tty.c')
| -rw-r--r-- | sys/kern/tty.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/sys/kern/tty.c b/sys/kern/tty.c index e014e31..f311f76 100644 --- a/sys/kern/tty.c +++ b/sys/kern/tty.c @@ -2440,5 +2440,34 @@ nottystop(tp, rw) struct tty *tp; int rw; { + return; } + +int +ttyread(dev, uio, flag) + dev_t dev; + struct uio *uio; + int flag; +{ + struct tty *tp; + + tp = dev->si_tty; + if (tp == NULL) + return (ENODEV); + return ((*linesw[tp->t_line].l_read)(tp, uio, flag)); +} + +int +ttywrite(dev, uio, flag) + dev_t dev; + struct uio *uio; + int flag; +{ + struct tty *tp; + + tp = dev->si_tty; + if (tp == NULL) + return (ENODEV); + return ((*linesw[tp->t_line].l_write)(tp, uio, flag)); +} |
