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unix: use setattrlist for UtimesNanoAt on Darwin

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Use to setarrlist to implement UtimesNanoAt with nanosecond precision
(on Mac OS 10.13 with APFS). Translate AT_SYMLINK_NOFOLLOW to
FSOPT_NOFOLLOW correspondingly.

Change-Id: I1468a1f4eecb53b2280ff6329b1ec64e204701f1
Reviewed-on: https://go-review.googlesource.com/75650
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
2017-11-02 21:26:49 +00:00
committed by Tobias Klauser
parent feaf45c67f
commit 46eaec7899
11 changed files with 35 additions and 8 deletions
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unix/syscall_bsd.go
+5 -1
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@@ -571,7 +571,7 @@ func UtimesNano(path string, ts []Timespec) error {
return EINVAL
}
// Darwin setattrlist can set nanosecond timestamps
err := setattrlistTimes(path, ts)
err := setattrlistTimes(path, ts, 0)
if err != ENOSYS {
return err
}
@@ -595,6 +595,10 @@ func UtimesNanoAt(dirfd int, path string, ts []Timespec, flags int) error {
if len(ts) != 2 {
return EINVAL
}
err := setattrlistTimes(path, ts, flags)
if err != ENOSYS {
return err
}
return utimensat(dirfd, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), flags)
}