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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 21:35:00 +01:00
committed by Tobias Klauser
parent feaf45c67f
commit 46eaec7899
11 changed files with 35 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
unix/mkerrors.sh
View File

@@ -426,6 +426,7 @@ ccflags="$@"
$2 ~ /^UTIME_/ ||
$2 ~ /^XATTR_(CREATE|REPLACE)/ ||
$2 ~ /^ATTR_(BIT_MAP_COUNT|(CMN|VOL|FILE)_)/ ||
$2 ~ /^FSOPT_/ ||
$2 ~ /^WDIOC_/ ||
$2 !~ "WMESGLEN" &&
$2 ~ /^W[A-Z0-9]+$/ ||

6
unix/syscall_bsd.go
View File

@@ -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)
}

8
unix/syscall_darwin.go
View File

@@ -187,7 +187,7 @@ func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
return
}
func setattrlistTimes(path string, times []Timespec) error {
func setattrlistTimes(path string, times []Timespec, flags int) error {
_p0, err := BytePtrFromString(path)
if err != nil {
return err
@@ -199,8 +199,10 @@ func setattrlistTimes(path string, times []Timespec) error {
// order is mtime, atime: the opposite of Chtimes
attributes := [2]Timespec{times[1], times[0]}
const options = 0
options := 0
if flags&AT_SYMLINK_NOFOLLOW != 0 {
options |= FSOPT_NOFOLLOW
}
_, _, e1 := Syscall6(
SYS_SETATTRLIST,
uintptr(unsafe.Pointer(_p0)),

2
unix/syscall_dragonfly.go
View File

@@ -125,7 +125,7 @@ func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
return
}
func setattrlistTimes(path string, times []Timespec) error {
func setattrlistTimes(path string, times []Timespec, flags int) error {
// used on Darwin for UtimesNano
return ENOSYS
}

2
unix/syscall_freebsd.go
View File

@@ -120,7 +120,7 @@ func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
return
}
func setattrlistTimes(path string, times []Timespec) error {
func setattrlistTimes(path string, times []Timespec, flags int) error {
// used on Darwin for UtimesNano
return ENOSYS
}

2
unix/syscall_netbsd.go
View File

@@ -124,7 +124,7 @@ func sendfile(outfd int, infd int, offset *int64, count int) (written int, err e
return -1, ENOSYS
}
func setattrlistTimes(path string, times []Timespec) error {
func setattrlistTimes(path string, times []Timespec, flags int) error {
// used on Darwin for UtimesNano
return ENOSYS
}

2
unix/syscall_openbsd.go
View File

@@ -102,7 +102,7 @@ func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
return
}
func setattrlistTimes(path string, times []Timespec) error {
func setattrlistTimes(path string, times []Timespec, flags int) error {
// used on Darwin for UtimesNano
return ENOSYS
}

5
unix/zerrors_darwin_386.go
View File

@@ -470,6 +470,11 @@ const (
FF1 = 0x4000
FFDLY = 0x4000
FLUSHO = 0x800000
FSOPT_ATTR_CMN_EXTENDED = 0x20
FSOPT_NOFOLLOW = 0x1
FSOPT_NOINMEMUPDATE = 0x2
FSOPT_PACK_INVAL_ATTRS = 0x8
FSOPT_REPORT_FULLSIZE = 0x4
F_ADDFILESIGS = 0x3d
F_ADDFILESIGS_FOR_DYLD_SIM = 0x53
F_ADDFILESIGS_RETURN = 0x61

5
unix/zerrors_darwin_amd64.go
View File

@@ -470,6 +470,11 @@ const (
FF1 = 0x4000
FFDLY = 0x4000
FLUSHO = 0x800000
FSOPT_ATTR_CMN_EXTENDED = 0x20
FSOPT_NOFOLLOW = 0x1
FSOPT_NOINMEMUPDATE = 0x2
FSOPT_PACK_INVAL_ATTRS = 0x8
FSOPT_REPORT_FULLSIZE = 0x4
F_ADDFILESIGS = 0x3d
F_ADDFILESIGS_FOR_DYLD_SIM = 0x53
F_ADDFILESIGS_RETURN = 0x61

5
unix/zerrors_darwin_arm.go
View File

@@ -470,6 +470,11 @@ const (
FF1 = 0x4000
FFDLY = 0x4000
FLUSHO = 0x800000
FSOPT_ATTR_CMN_EXTENDED = 0x20
FSOPT_NOFOLLOW = 0x1
FSOPT_NOINMEMUPDATE = 0x2
FSOPT_PACK_INVAL_ATTRS = 0x8
FSOPT_REPORT_FULLSIZE = 0x4
F_ADDFILESIGS = 0x3d
F_ADDFILESIGS_FOR_DYLD_SIM = 0x53
F_ADDFILESIGS_RETURN = 0x61

5
unix/zerrors_darwin_arm64.go
View File

@@ -470,6 +470,11 @@ const (
FF1 = 0x4000
FFDLY = 0x4000
FLUSHO = 0x800000
FSOPT_ATTR_CMN_EXTENDED = 0x20
FSOPT_NOFOLLOW = 0x1
FSOPT_NOINMEMUPDATE = 0x2
FSOPT_PACK_INVAL_ATTRS = 0x8
FSOPT_REPORT_FULLSIZE = 0x4
F_ADDFILESIGS = 0x3d
F_ADDFILESIGS_FOR_DYLD_SIM = 0x53
F_ADDFILESIGS_RETURN = 0x61