sys/time.h: add bintime2us() helper

Add a microsecond conversion helper to complement the existing
bintime2ns(). The body mirrors bintime2ns().
This will be used by an upcoming eventlog(9) framework as well as
the TCP code in upcoming changes.

Approved by:		gallatin, tuexen
Sponsored by:		Netflix, Inc.
Differential Revision:	https://reviews.freebsd.org/D56972

This commit is contained in:

Nick Banks

2026-05-12 21:26:24 +02:00

committed by

Michael Tuexen

parent 03bc95b060

commit d1aee9f153

1 changed files with 11 additions and 0 deletions

									
										sys/sys/time.h
									
		+11
		
												View File
												
				@@ -308,6 +308,17 @@ bintime2ns(const struct bintime *_bt)

					return (ret);

				}

				static __inline uint64_t

				bintime2us(const struct bintime *_bt)

				{

					uint64_t ret;

					ret = (uint64_t)(_bt->sec) * (uint64_t)1000000;

					ret += __utime64_scale64_floor(

					    _bt->frac, 1000000, 1ULL << 32) >> 32;

					return (ret);

				}

				static __inline void

				timespec2bintime(const struct timespec *_ts, struct bintime *_bt)

				{