[src/trunk]: src/sys/sys Add bintimecmp, ms2bintime, us2bintime, ns2bintime.

[riastradh <riastradh%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/786b6d152cc4
branches:  trunk
changeset: 807970:786b6d152cc4
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Wed Apr 29 12:55:23 2015 +0000

description:
Add bintimecmp, ms2bintime, us2bintime, ns2bintime.

diffstat:

 sys/sys/time.h |  37 ++++++++++++++++++++++++++++++++++++-
 1 files changed, 36 insertions(+), 1 deletions(-)

diffs (58 lines):

diff -r f4ef4daaf1be -r 786b6d152cc4 sys/sys/time.h
--- a/sys/sys/time.h    Wed Apr 29 12:53:08 2015 +0000
+++ b/sys/sys/time.h    Wed Apr 29 12:55:23 2015 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: time.h,v 1.67 2014/08/08 07:40:35 christos Exp $       */
+/*     $NetBSD: time.h,v 1.68 2015/04/29 12:55:23 riastradh Exp $      */
 
 /*
  * Copyright (c) 1982, 1986, 1993
@@ -145,6 +145,11 @@
        bt->sec -= bt2->sec;
 }
 
+#define        bintimecmp(bta, btb, cmp)                                       \
+       (((bta)->sec == (btb)->sec) ?                                   \
+           ((bta)->frac cmp (btb)->frac) :                             \
+           ((bta)->sec cmp (btb)->sec))
+
 /*-
  * Background information:
  *
@@ -194,6 +199,36 @@
        /* 18446744073709 = int(2^64 / 1000000) */
        bt->frac = (uint64_t)tv->tv_usec * (uint64_t)18446744073709ULL;
 }
+
+static __inline struct bintime
+ms2bintime(uint64_t ms)
+{
+
+       return (struct bintime) {
+               .sec = ms / 1000U,
+               .frac = (((ms % 1000U) >> 32)/1000U) >> 32,
+       };
+}
+
+static __inline struct bintime
+us2bintime(uint64_t us)
+{
+
+       return (struct bintime) {
+               .sec = us / 1000000U,
+               .frac = (((us % 1000000U) >> 32)/1000000U) >> 32,
+       };
+}
+
+static __inline struct bintime
+ns2bintime(uint64_t ns)
+{
+
+       return (struct bintime) {
+               .sec = ns / 1000000000U,
+               .frac = (((ns % 1000000000U) >> 32)/1000000000U) >> 32,
+       };
+}
 #endif /* !defined(_STANDALONE) */
 
 /* Operations on timespecs. */