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unix: unify NsecToTime{spec,val}, fix for times < 1970

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All the implementations of NsecToTimespec and NsecToTimeval were the
same other than types. Write a single version that uses
GOARCH/GOOS-specific setTimespec and setTimeval functions to handle the
types.

The logic in NsecToTimespec and NsecToTimeval caused times before 1970
to have a negative usec/nsec. The Linux kernel requires that usec
contain a positive number; for consistency, we do this for both
NsecToTimespec and NsecToTimeval.

Follow CL 30826 which did the same for syscall.

Change-Id: Id6c6f4fef8450251447d1a5b01f35c2a36b5aeb1
Reviewed-on: https://go-review.googlesource.com/73170
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
This commit is contained in:
Tobias Klauser
2017-10-25 08:56:33 +00:00
committed by Tobias Klauser
parent bb1b7fe501
commit e825973668
25 changed files with 121 additions and 216 deletions
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unix/syscall_linux_amd64.go
+4 -9
View File
@@ -83,17 +83,12 @@ func Time(t *Time_t) (tt Time_t, err error) {
//sys Utime(path string, buf *Utimbuf) (err error)
func NsecToTimespec(nsec int64) (ts Timespec) {
ts.Sec = nsec / 1e9
ts.Nsec = nsec % 1e9
return
func setTimespec(sec, nsec int64) Timespec {
return Timespec{Sec: sec, Nsec: nsec}
}
func NsecToTimeval(nsec int64) (tv Timeval) {
nsec += 999 // round up to microsecond
tv.Sec = nsec / 1e9
tv.Usec = nsec % 1e9 / 1e3
return
func setTimeval(sec, usec int64) Timeval {
return Timeval{Sec: sec, Usec: usec}
}
//sysnb pipe(p *[2]_C_int) (err error)