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Add NetBSD/OpenBSD compatable timeradd()/timersub() user-space macros.

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These are deliberately not visible to the kernel since we have timevaladd()
and timevalsub() functions there.

Obtained from: NetBSD/OpenBSD
This commit is contained in:
Peter Wemm 1996-12-30 15:36:56 +00:00
parent c922550c95
commit c3f47ca9fa
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=21099
2 changed files with 44 additions and 2 deletions
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23
sys/sys/time.h
View File

@ -31,7 +31,7 @@
* SUCH DAMAGE.
*
* @(#)time.h 8.5 (Berkeley) 5/4/95
* $Id: time.h,v 1.7 1996/03/11 02:11:25 hsu Exp $
* $Id: time.h,v 1.8 1996/09/19 18:21:20 nate Exp $
*/
#ifndef _SYS_TIME_H_
@ -84,6 +84,27 @@ struct timezone {
(((tvp)->tv_sec == (uvp)->tv_sec) ? \
((tvp)->tv_usec cmp (uvp)->tv_usec) : \
((tvp)->tv_sec cmp (uvp)->tv_sec))
#ifndef KERNEL /* use timevaladd/timevalsub in kernel */
/* NetBSD/OpenBSD compatable interfaces */
#define timeradd(tvp, uvp, vvp) \
do { \
(vvp)->tv_sec = (tvp)->tv_sec + (uvp)->tv_sec; \
(vvp)->tv_usec = (tvp)->tv_usec + (uvp)->tv_usec; \
if ((vvp)->tv_usec >= 1000000) { \
(vvp)->tv_sec++; \
(vvp)->tv_usec -= 1000000; \
} \
} while (0)
#define timersub(tvp, uvp, vvp) \
do { \
(vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec; \
(vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec; \
if ((vvp)->tv_usec < 0) { \
(vvp)->tv_sec--; \
(vvp)->tv_usec += 1000000; \
} \
} while (0)
#endif
/*
* Names of the interval timers, and structure

23
sys/sys/timetc.h
View File

@ -31,7 +31,7 @@
* SUCH DAMAGE.
*
* @(#)time.h 8.5 (Berkeley) 5/4/95
* $Id: time.h,v 1.7 1996/03/11 02:11:25 hsu Exp $
* $Id: time.h,v 1.8 1996/09/19 18:21:20 nate Exp $
*/
#ifndef _SYS_TIME_H_
@ -84,6 +84,27 @@ struct timezone {
(((tvp)->tv_sec == (uvp)->tv_sec) ? \
((tvp)->tv_usec cmp (uvp)->tv_usec) : \
((tvp)->tv_sec cmp (uvp)->tv_sec))
#ifndef KERNEL /* use timevaladd/timevalsub in kernel */
/* NetBSD/OpenBSD compatable interfaces */
#define timeradd(tvp, uvp, vvp) \
do { \
(vvp)->tv_sec = (tvp)->tv_sec + (uvp)->tv_sec; \
(vvp)->tv_usec = (tvp)->tv_usec + (uvp)->tv_usec; \
if ((vvp)->tv_usec >= 1000000) { \
(vvp)->tv_sec++; \
(vvp)->tv_usec -= 1000000; \
} \
} while (0)
#define timersub(tvp, uvp, vvp) \
do { \
(vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec; \
(vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec; \
if ((vvp)->tv_usec < 0) { \
(vvp)->tv_sec--; \
(vvp)->tv_usec += 1000000; \
} \
} while (0)
#endif
/*
* Names of the interval timers, and structure