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unix: use setattrlist for UtimesNano on Darwin for ns resolution

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Follow CL 74952 for x/sys/unix.

Update golang/go#22528

Change-Id: Id146da75b80a64cfa4eac28e9bb7b3befe944718
Reviewed-on: https://go-review.googlesource.com/75610
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
This commit is contained in:
Tobias Klauser
2017-11-02 20:14:56 +00:00
committed by Brad Fitzpatrick
parent 95c6576299
commit feaf45c67f
11 changed files with 378 additions and 1 deletions
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unix/syscall_bsd.go
+6 -1
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@@ -570,7 +570,12 @@ func UtimesNano(path string, ts []Timespec) error {
if len(ts) != 2 {
return EINVAL
}
err := utimensat(AT_FDCWD, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), 0)
// Darwin setattrlist can set nanosecond timestamps
err := setattrlistTimes(path, ts)
if err != ENOSYS {
return err
}
err = utimensat(AT_FDCWD, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), 0)
if err != ENOSYS {
return err
}