diff options
| author | peter <peter@FreeBSD.org> | 1996-12-30 15:36:56 +0000 |
|---|---|---|
| committer | peter <peter@FreeBSD.org> | 1996-12-30 15:36:56 +0000 |
| commit | 76162281a2cdd31a9af75ec13601530bbeadb55e (patch) | |
| tree | a8186b437d73248ef504204cba8934dd42a6a48f /sys/sys/time.h | |
| parent | 2a7e4d562f4977127aa5f5a0abb201656a252dde (diff) | |
| download | FreeBSD-src-76162281a2cdd31a9af75ec13601530bbeadb55e.zip FreeBSD-src-76162281a2cdd31a9af75ec13601530bbeadb55e.tar.gz | |
Add NetBSD/OpenBSD compatable timeradd()/timersub() user-space macros.
These are deliberately not visible to the kernel since we have timevaladd()
and timevalsub() functions there.
Obtained from: NetBSD/OpenBSD
Diffstat (limited to 'sys/sys/time.h')
| -rw-r--r-- | sys/sys/time.h | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/sys/sys/time.h b/sys/sys/time.h index f68c5cc..ef2f222 100644 --- a/sys/sys/time.h +++ b/sys/sys/time.h @@ -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 |
