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| author | Bruce Evans <bde@FreeBSD.org> | 1995-07-22 16:45:22 +0000 |
|---|---|---|
| committer | Bruce Evans <bde@FreeBSD.org> | 1995-07-22 16:45:22 +0000 |
| commit | abe8bea4709d58aea76a71839948d0c955ec2624 (patch) | |
| tree | 8394b2b46acc5c94b577982d2fdb4c9fa0e24167 /sys/sys/tty.h | |
| parent | 3ec9b35e8aea233d0fd6e103a73d41e2b2ab5a7e (diff) | |
| download | src-abe8bea4709d58aea76a71839948d0c955ec2624.tar.gz src-abe8bea4709d58aea76a71839948d0c955ec2624.zip | |
Obtained from: partly from ancient patches of mine via 1.1.5
Give names to the magic tty i/o sleep addresses and use them. This makes
it easier to remember what the addresses are for and to keep them unique.
Notes
Notes:
svn path=/head/; revision=9639
Diffstat (limited to 'sys/sys/tty.h')
| -rw-r--r-- | sys/sys/tty.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/sys/sys/tty.h b/sys/sys/tty.h index 032db54aed8d..fb6a2783778b 100644 --- a/sys/sys/tty.h +++ b/sys/sys/tty.h @@ -36,7 +36,7 @@ * SUCH DAMAGE. * * @(#)tty.h 8.6 (Berkeley) 1/21/94 - * $Id: tty.h,v 1.22 1995/07/21 22:52:01 bde Exp $ + * $Id: tty.h,v 1.23 1995/07/22 01:30:45 bde Exp $ */ #ifndef _SYS_TTY_H_ @@ -199,6 +199,13 @@ struct speedtab { #define isbackground(p, tp) \ (isctty((p), (tp)) && (p)->p_pgrp != (tp)->t_pgrp) +/* Unique sleep addresses. */ +#define TSA_CARR_ON(tp) ((void *)&(tp)->t_rawq) /* XXX overloaded */ +#define TSA_OLOWAT(tp) ((void *)&(tp)->t_outq) /* XXX overloaded */ +#define TSA_PTC_READ(tp) ((void *)&(tp)->t_outq.c_cf) +#define TSA_PTC_WRITE(tp) ((void *)&(tp)->t_rawq.c_cl) +#define TSA_PTS_READ(tp) ((void *)&(tp)->t_canq) + #ifdef KERNEL extern struct tty *constty; /* Temporary virtual console. */ |