unix: use setattrlist for UtimesNano on Darwin for ns resolution

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>

unix/mkerrors.sh

@@ -38,6 +38,8 @@ includes_Darwin='
 #define _DARWIN_C_SOURCE
 #define KERNEL
 #define _DARWIN_USE_64_BIT_INODE
+#include <stdint.h>
+#include <sys/attr.h>
 #include <sys/types.h>
 #include <sys/event.h>
 #include <sys/ptrace.h>
@@ -423,6 +425,7 @@ ccflags="$@"
 		$2 ~ /^GENL_/ ||
 		$2 ~ /^UTIME_/ ||
 		$2 ~ /^XATTR_(CREATE|REPLACE)/ ||
+		$2 ~ /^ATTR_(BIT_MAP_COUNT|(CMN|VOL|FILE)_)/ ||
 		$2 ~ /^WDIOC_/ ||
 		$2 !~ "WMESGLEN" &&
 		$2 ~ /^W[A-Z0-9]+$/ ||

unix/syscall_bsd.go

@@ -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
 	}

unix/syscall_darwin.go

@@ -187,6 +187,35 @@ func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
 	return
 }
 
+func setattrlistTimes(path string, times []Timespec) error {
+	_p0, err := BytePtrFromString(path)
+	if err != nil {
+		return err
+	}
+
+	var attrList attrList
+	attrList.bitmapCount = ATTR_BIT_MAP_COUNT
+	attrList.CommonAttr = ATTR_CMN_MODTIME | ATTR_CMN_ACCTIME
+
+	// order is mtime, atime: the opposite of Chtimes
+	attributes := [2]Timespec{times[1], times[0]}
+
+	const options = 0
+	_, _, e1 := Syscall6(
+		SYS_SETATTRLIST,
+		uintptr(unsafe.Pointer(_p0)),
+		uintptr(unsafe.Pointer(&attrList)),
+		uintptr(unsafe.Pointer(&attributes)),
+		uintptr(unsafe.Sizeof(attributes)),
+		uintptr(options),
+		0,
+	)
+	if e1 != 0 {
+		return e1
+	}
+	return nil
+}
+
 func utimensat(dirfd int, path string, times *[2]Timespec, flags int) error {
 	// Darwin doesn't support SYS_UTIMENSAT
 	return ENOSYS

unix/syscall_dragonfly.go

@@ -125,6 +125,11 @@ func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
 	return
 }
 
+func setattrlistTimes(path string, times []Timespec) error {
+	// used on Darwin for UtimesNano
+	return ENOSYS
+}
+
 /*
  * Exposed directly
  */

unix/syscall_freebsd.go

@@ -120,6 +120,11 @@ func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
 	return
 }
 
+func setattrlistTimes(path string, times []Timespec) error {
+	// used on Darwin for UtimesNano
+	return ENOSYS
+}
+
 // Derive extattr namespace and attribute name
 
 func xattrnamespace(fullattr string) (ns int, attr string, err error) {

unix/syscall_netbsd.go

@@ -124,6 +124,11 @@ func sendfile(outfd int, infd int, offset *int64, count int) (written int, err e
 	return -1, ENOSYS
 }
 
+func setattrlistTimes(path string, times []Timespec) error {
+	// used on Darwin for UtimesNano
+	return ENOSYS
+}
+
 /*
  * Exposed directly
  */

unix/syscall_openbsd.go

@@ -102,6 +102,11 @@ func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
 	return
 }
 
+func setattrlistTimes(path string, times []Timespec) error {
+	// used on Darwin for UtimesNano
+	return ENOSYS
+}
+
 /*
  * Exposed directly
  */

unix/zerrors_darwin_386.go

@@ -49,6 +49,86 @@ const (
 	AF_UNSPEC                         = 0x0
 	AF_UTUN                           = 0x26
 	ALTWERASE                         = 0x200
+	ATTR_BIT_MAP_COUNT                = 0x5
+	ATTR_CMN_ACCESSMASK               = 0x20000
+	ATTR_CMN_ACCTIME                  = 0x1000
+	ATTR_CMN_ADDEDTIME                = 0x10000000
+	ATTR_CMN_BKUPTIME                 = 0x2000
+	ATTR_CMN_CHGTIME                  = 0x800
+	ATTR_CMN_CRTIME                   = 0x200
+	ATTR_CMN_DATA_PROTECT_FLAGS       = 0x40000000
+	ATTR_CMN_DEVID                    = 0x2
+	ATTR_CMN_DOCUMENT_ID              = 0x100000
+	ATTR_CMN_ERROR                    = 0x20000000
+	ATTR_CMN_EXTENDED_SECURITY        = 0x400000
+	ATTR_CMN_FILEID                   = 0x2000000
+	ATTR_CMN_FLAGS                    = 0x40000
+	ATTR_CMN_FNDRINFO                 = 0x4000
+	ATTR_CMN_FSID                     = 0x4
+	ATTR_CMN_FULLPATH                 = 0x8000000
+	ATTR_CMN_GEN_COUNT                = 0x80000
+	ATTR_CMN_GRPID                    = 0x10000
+	ATTR_CMN_GRPUUID                  = 0x1000000
+	ATTR_CMN_MODTIME                  = 0x400
+	ATTR_CMN_NAME                     = 0x1
+	ATTR_CMN_NAMEDATTRCOUNT           = 0x80000
+	ATTR_CMN_NAMEDATTRLIST            = 0x100000
+	ATTR_CMN_OBJID                    = 0x20
+	ATTR_CMN_OBJPERMANENTID           = 0x40
+	ATTR_CMN_OBJTAG                   = 0x10
+	ATTR_CMN_OBJTYPE                  = 0x8
+	ATTR_CMN_OWNERID                  = 0x8000
+	ATTR_CMN_PARENTID                 = 0x4000000
+	ATTR_CMN_PAROBJID                 = 0x80
+	ATTR_CMN_RETURNED_ATTRS           = 0x80000000
+	ATTR_CMN_SCRIPT                   = 0x100
+	ATTR_CMN_SETMASK                  = 0x41c7ff00
+	ATTR_CMN_USERACCESS               = 0x200000
+	ATTR_CMN_UUID                     = 0x800000
+	ATTR_CMN_VALIDMASK                = 0xffffffff
+	ATTR_CMN_VOLSETMASK               = 0x6700
+	ATTR_FILE_ALLOCSIZE               = 0x4
+	ATTR_FILE_CLUMPSIZE               = 0x10
+	ATTR_FILE_DATAALLOCSIZE           = 0x400
+	ATTR_FILE_DATAEXTENTS             = 0x800
+	ATTR_FILE_DATALENGTH              = 0x200
+	ATTR_FILE_DEVTYPE                 = 0x20
+	ATTR_FILE_FILETYPE                = 0x40
+	ATTR_FILE_FORKCOUNT               = 0x80
+	ATTR_FILE_FORKLIST                = 0x100
+	ATTR_FILE_IOBLOCKSIZE             = 0x8
+	ATTR_FILE_LINKCOUNT               = 0x1
+	ATTR_FILE_RSRCALLOCSIZE           = 0x2000
+	ATTR_FILE_RSRCEXTENTS             = 0x4000
+	ATTR_FILE_RSRCLENGTH              = 0x1000
+	ATTR_FILE_SETMASK                 = 0x20
+	ATTR_FILE_TOTALSIZE               = 0x2
+	ATTR_FILE_VALIDMASK               = 0x37ff
+	ATTR_VOL_ALLOCATIONCLUMP          = 0x40
+	ATTR_VOL_ATTRIBUTES               = 0x40000000
+	ATTR_VOL_CAPABILITIES             = 0x20000
+	ATTR_VOL_DIRCOUNT                 = 0x400
+	ATTR_VOL_ENCODINGSUSED            = 0x10000
+	ATTR_VOL_FILECOUNT                = 0x200
+	ATTR_VOL_FSTYPE                   = 0x1
+	ATTR_VOL_INFO                     = 0x80000000
+	ATTR_VOL_IOBLOCKSIZE              = 0x80
+	ATTR_VOL_MAXOBJCOUNT              = 0x800
+	ATTR_VOL_MINALLOCATION            = 0x20
+	ATTR_VOL_MOUNTEDDEVICE            = 0x8000
+	ATTR_VOL_MOUNTFLAGS               = 0x4000
+	ATTR_VOL_MOUNTPOINT               = 0x1000
+	ATTR_VOL_NAME                     = 0x2000
+	ATTR_VOL_OBJCOUNT                 = 0x100
+	ATTR_VOL_QUOTA_SIZE               = 0x10000000
+	ATTR_VOL_RESERVED_SIZE            = 0x20000000
+	ATTR_VOL_SETMASK                  = 0x80002000
+	ATTR_VOL_SIGNATURE                = 0x2
+	ATTR_VOL_SIZE                     = 0x4
+	ATTR_VOL_SPACEAVAIL               = 0x10
+	ATTR_VOL_SPACEFREE                = 0x8
+	ATTR_VOL_UUID                     = 0x40000
+	ATTR_VOL_VALIDMASK                = 0xf007ffff
 	B0                                = 0x0
 	B110                              = 0x6e
 	B115200                           = 0x1c200

unix/zerrors_darwin_amd64.go

@@ -49,6 +49,86 @@ const (
 	AF_UNSPEC                         = 0x0
 	AF_UTUN                           = 0x26
 	ALTWERASE                         = 0x200
+	ATTR_BIT_MAP_COUNT                = 0x5
+	ATTR_CMN_ACCESSMASK               = 0x20000
+	ATTR_CMN_ACCTIME                  = 0x1000
+	ATTR_CMN_ADDEDTIME                = 0x10000000
+	ATTR_CMN_BKUPTIME                 = 0x2000
+	ATTR_CMN_CHGTIME                  = 0x800
+	ATTR_CMN_CRTIME                   = 0x200
+	ATTR_CMN_DATA_PROTECT_FLAGS       = 0x40000000
+	ATTR_CMN_DEVID                    = 0x2
+	ATTR_CMN_DOCUMENT_ID              = 0x100000
+	ATTR_CMN_ERROR                    = 0x20000000
+	ATTR_CMN_EXTENDED_SECURITY        = 0x400000
+	ATTR_CMN_FILEID                   = 0x2000000
+	ATTR_CMN_FLAGS                    = 0x40000
+	ATTR_CMN_FNDRINFO                 = 0x4000
+	ATTR_CMN_FSID                     = 0x4
+	ATTR_CMN_FULLPATH                 = 0x8000000
+	ATTR_CMN_GEN_COUNT                = 0x80000
+	ATTR_CMN_GRPID                    = 0x10000
+	ATTR_CMN_GRPUUID                  = 0x1000000
+	ATTR_CMN_MODTIME                  = 0x400
+	ATTR_CMN_NAME                     = 0x1
+	ATTR_CMN_NAMEDATTRCOUNT           = 0x80000
+	ATTR_CMN_NAMEDATTRLIST            = 0x100000
+	ATTR_CMN_OBJID                    = 0x20
+	ATTR_CMN_OBJPERMANENTID           = 0x40
+	ATTR_CMN_OBJTAG                   = 0x10
+	ATTR_CMN_OBJTYPE                  = 0x8
+	ATTR_CMN_OWNERID                  = 0x8000
+	ATTR_CMN_PARENTID                 = 0x4000000
+	ATTR_CMN_PAROBJID                 = 0x80
+	ATTR_CMN_RETURNED_ATTRS           = 0x80000000
+	ATTR_CMN_SCRIPT                   = 0x100
+	ATTR_CMN_SETMASK                  = 0x41c7ff00
+	ATTR_CMN_USERACCESS               = 0x200000
+	ATTR_CMN_UUID                     = 0x800000
+	ATTR_CMN_VALIDMASK                = 0xffffffff
+	ATTR_CMN_VOLSETMASK               = 0x6700
+	ATTR_FILE_ALLOCSIZE               = 0x4
+	ATTR_FILE_CLUMPSIZE               = 0x10
+	ATTR_FILE_DATAALLOCSIZE           = 0x400
+	ATTR_FILE_DATAEXTENTS             = 0x800
+	ATTR_FILE_DATALENGTH              = 0x200
+	ATTR_FILE_DEVTYPE                 = 0x20
+	ATTR_FILE_FILETYPE                = 0x40
+	ATTR_FILE_FORKCOUNT               = 0x80
+	ATTR_FILE_FORKLIST                = 0x100
+	ATTR_FILE_IOBLOCKSIZE             = 0x8
+	ATTR_FILE_LINKCOUNT               = 0x1
+	ATTR_FILE_RSRCALLOCSIZE           = 0x2000
+	ATTR_FILE_RSRCEXTENTS             = 0x4000
+	ATTR_FILE_RSRCLENGTH              = 0x1000
+	ATTR_FILE_SETMASK                 = 0x20
+	ATTR_FILE_TOTALSIZE               = 0x2
+	ATTR_FILE_VALIDMASK               = 0x37ff
+	ATTR_VOL_ALLOCATIONCLUMP          = 0x40
+	ATTR_VOL_ATTRIBUTES               = 0x40000000
+	ATTR_VOL_CAPABILITIES             = 0x20000
+	ATTR_VOL_DIRCOUNT                 = 0x400
+	ATTR_VOL_ENCODINGSUSED            = 0x10000
+	ATTR_VOL_FILECOUNT                = 0x200
+	ATTR_VOL_FSTYPE                   = 0x1
+	ATTR_VOL_INFO                     = 0x80000000
+	ATTR_VOL_IOBLOCKSIZE              = 0x80
+	ATTR_VOL_MAXOBJCOUNT              = 0x800
+	ATTR_VOL_MINALLOCATION            = 0x20
+	ATTR_VOL_MOUNTEDDEVICE            = 0x8000
+	ATTR_VOL_MOUNTFLAGS               = 0x4000
+	ATTR_VOL_MOUNTPOINT               = 0x1000
+	ATTR_VOL_NAME                     = 0x2000
+	ATTR_VOL_OBJCOUNT                 = 0x100
+	ATTR_VOL_QUOTA_SIZE               = 0x10000000
+	ATTR_VOL_RESERVED_SIZE            = 0x20000000
+	ATTR_VOL_SETMASK                  = 0x80002000
+	ATTR_VOL_SIGNATURE                = 0x2
+	ATTR_VOL_SIZE                     = 0x4
+	ATTR_VOL_SPACEAVAIL               = 0x10
+	ATTR_VOL_SPACEFREE                = 0x8
+	ATTR_VOL_UUID                     = 0x40000
+	ATTR_VOL_VALIDMASK                = 0xf007ffff
 	B0                                = 0x0
 	B110                              = 0x6e
 	B115200                           = 0x1c200

unix/zerrors_darwin_arm.go

@@ -49,6 +49,86 @@ const (
 	AF_UNSPEC                         = 0x0
 	AF_UTUN                           = 0x26
 	ALTWERASE                         = 0x200
+	ATTR_BIT_MAP_COUNT                = 0x5
+	ATTR_CMN_ACCESSMASK               = 0x20000
+	ATTR_CMN_ACCTIME                  = 0x1000
+	ATTR_CMN_ADDEDTIME                = 0x10000000
+	ATTR_CMN_BKUPTIME                 = 0x2000
+	ATTR_CMN_CHGTIME                  = 0x800
+	ATTR_CMN_CRTIME                   = 0x200
+	ATTR_CMN_DATA_PROTECT_FLAGS       = 0x40000000
+	ATTR_CMN_DEVID                    = 0x2
+	ATTR_CMN_DOCUMENT_ID              = 0x100000
+	ATTR_CMN_ERROR                    = 0x20000000
+	ATTR_CMN_EXTENDED_SECURITY        = 0x400000
+	ATTR_CMN_FILEID                   = 0x2000000
+	ATTR_CMN_FLAGS                    = 0x40000
+	ATTR_CMN_FNDRINFO                 = 0x4000
+	ATTR_CMN_FSID                     = 0x4
+	ATTR_CMN_FULLPATH                 = 0x8000000
+	ATTR_CMN_GEN_COUNT                = 0x80000
+	ATTR_CMN_GRPID                    = 0x10000
+	ATTR_CMN_GRPUUID                  = 0x1000000
+	ATTR_CMN_MODTIME                  = 0x400
+	ATTR_CMN_NAME                     = 0x1
+	ATTR_CMN_NAMEDATTRCOUNT           = 0x80000
+	ATTR_CMN_NAMEDATTRLIST            = 0x100000
+	ATTR_CMN_OBJID                    = 0x20
+	ATTR_CMN_OBJPERMANENTID           = 0x40
+	ATTR_CMN_OBJTAG                   = 0x10
+	ATTR_CMN_OBJTYPE                  = 0x8
+	ATTR_CMN_OWNERID                  = 0x8000
+	ATTR_CMN_PARENTID                 = 0x4000000
+	ATTR_CMN_PAROBJID                 = 0x80
+	ATTR_CMN_RETURNED_ATTRS           = 0x80000000
+	ATTR_CMN_SCRIPT                   = 0x100
+	ATTR_CMN_SETMASK                  = 0x41c7ff00
+	ATTR_CMN_USERACCESS               = 0x200000
+	ATTR_CMN_UUID                     = 0x800000
+	ATTR_CMN_VALIDMASK                = 0xffffffff
+	ATTR_CMN_VOLSETMASK               = 0x6700
+	ATTR_FILE_ALLOCSIZE               = 0x4
+	ATTR_FILE_CLUMPSIZE               = 0x10
+	ATTR_FILE_DATAALLOCSIZE           = 0x400
+	ATTR_FILE_DATAEXTENTS             = 0x800
+	ATTR_FILE_DATALENGTH              = 0x200
+	ATTR_FILE_DEVTYPE                 = 0x20
+	ATTR_FILE_FILETYPE                = 0x40
+	ATTR_FILE_FORKCOUNT               = 0x80
+	ATTR_FILE_FORKLIST                = 0x100
+	ATTR_FILE_IOBLOCKSIZE             = 0x8
+	ATTR_FILE_LINKCOUNT               = 0x1
+	ATTR_FILE_RSRCALLOCSIZE           = 0x2000
+	ATTR_FILE_RSRCEXTENTS             = 0x4000
+	ATTR_FILE_RSRCLENGTH              = 0x1000
+	ATTR_FILE_SETMASK                 = 0x20
+	ATTR_FILE_TOTALSIZE               = 0x2
+	ATTR_FILE_VALIDMASK               = 0x37ff
+	ATTR_VOL_ALLOCATIONCLUMP          = 0x40
+	ATTR_VOL_ATTRIBUTES               = 0x40000000
+	ATTR_VOL_CAPABILITIES             = 0x20000
+	ATTR_VOL_DIRCOUNT                 = 0x400
+	ATTR_VOL_ENCODINGSUSED            = 0x10000
+	ATTR_VOL_FILECOUNT                = 0x200
+	ATTR_VOL_FSTYPE                   = 0x1
+	ATTR_VOL_INFO                     = 0x80000000
+	ATTR_VOL_IOBLOCKSIZE              = 0x80
+	ATTR_VOL_MAXOBJCOUNT              = 0x800
+	ATTR_VOL_MINALLOCATION            = 0x20
+	ATTR_VOL_MOUNTEDDEVICE            = 0x8000
+	ATTR_VOL_MOUNTFLAGS               = 0x4000
+	ATTR_VOL_MOUNTPOINT               = 0x1000
+	ATTR_VOL_NAME                     = 0x2000
+	ATTR_VOL_OBJCOUNT                 = 0x100
+	ATTR_VOL_QUOTA_SIZE               = 0x10000000
+	ATTR_VOL_RESERVED_SIZE            = 0x20000000
+	ATTR_VOL_SETMASK                  = 0x80002000
+	ATTR_VOL_SIGNATURE                = 0x2
+	ATTR_VOL_SIZE                     = 0x4
+	ATTR_VOL_SPACEAVAIL               = 0x10
+	ATTR_VOL_SPACEFREE                = 0x8
+	ATTR_VOL_UUID                     = 0x40000
+	ATTR_VOL_VALIDMASK                = 0xf007ffff
 	B0                                = 0x0
 	B110                              = 0x6e
 	B115200                           = 0x1c200

unix/zerrors_darwin_arm64.go

@@ -49,6 +49,86 @@ const (
 	AF_UNSPEC                         = 0x0
 	AF_UTUN                           = 0x26
 	ALTWERASE                         = 0x200
+	ATTR_BIT_MAP_COUNT                = 0x5
+	ATTR_CMN_ACCESSMASK               = 0x20000
+	ATTR_CMN_ACCTIME                  = 0x1000
+	ATTR_CMN_ADDEDTIME                = 0x10000000
+	ATTR_CMN_BKUPTIME                 = 0x2000
+	ATTR_CMN_CHGTIME                  = 0x800
+	ATTR_CMN_CRTIME                   = 0x200
+	ATTR_CMN_DATA_PROTECT_FLAGS       = 0x40000000
+	ATTR_CMN_DEVID                    = 0x2
+	ATTR_CMN_DOCUMENT_ID              = 0x100000
+	ATTR_CMN_ERROR                    = 0x20000000
+	ATTR_CMN_EXTENDED_SECURITY        = 0x400000
+	ATTR_CMN_FILEID                   = 0x2000000
+	ATTR_CMN_FLAGS                    = 0x40000
+	ATTR_CMN_FNDRINFO                 = 0x4000
+	ATTR_CMN_FSID                     = 0x4
+	ATTR_CMN_FULLPATH                 = 0x8000000
+	ATTR_CMN_GEN_COUNT                = 0x80000
+	ATTR_CMN_GRPID                    = 0x10000
+	ATTR_CMN_GRPUUID                  = 0x1000000
+	ATTR_CMN_MODTIME                  = 0x400
+	ATTR_CMN_NAME                     = 0x1
+	ATTR_CMN_NAMEDATTRCOUNT           = 0x80000
+	ATTR_CMN_NAMEDATTRLIST            = 0x100000
+	ATTR_CMN_OBJID                    = 0x20
+	ATTR_CMN_OBJPERMANENTID           = 0x40
+	ATTR_CMN_OBJTAG                   = 0x10
+	ATTR_CMN_OBJTYPE                  = 0x8
+	ATTR_CMN_OWNERID                  = 0x8000
+	ATTR_CMN_PARENTID                 = 0x4000000
+	ATTR_CMN_PAROBJID                 = 0x80
+	ATTR_CMN_RETURNED_ATTRS           = 0x80000000
+	ATTR_CMN_SCRIPT                   = 0x100
+	ATTR_CMN_SETMASK                  = 0x41c7ff00
+	ATTR_CMN_USERACCESS               = 0x200000
+	ATTR_CMN_UUID                     = 0x800000
+	ATTR_CMN_VALIDMASK                = 0xffffffff
+	ATTR_CMN_VOLSETMASK               = 0x6700
+	ATTR_FILE_ALLOCSIZE               = 0x4
+	ATTR_FILE_CLUMPSIZE               = 0x10
+	ATTR_FILE_DATAALLOCSIZE           = 0x400
+	ATTR_FILE_DATAEXTENTS             = 0x800
+	ATTR_FILE_DATALENGTH              = 0x200
+	ATTR_FILE_DEVTYPE                 = 0x20
+	ATTR_FILE_FILETYPE                = 0x40
+	ATTR_FILE_FORKCOUNT               = 0x80
+	ATTR_FILE_FORKLIST                = 0x100
+	ATTR_FILE_IOBLOCKSIZE             = 0x8
+	ATTR_FILE_LINKCOUNT               = 0x1
+	ATTR_FILE_RSRCALLOCSIZE           = 0x2000
+	ATTR_FILE_RSRCEXTENTS             = 0x4000
+	ATTR_FILE_RSRCLENGTH              = 0x1000
+	ATTR_FILE_SETMASK                 = 0x20
+	ATTR_FILE_TOTALSIZE               = 0x2
+	ATTR_FILE_VALIDMASK               = 0x37ff
+	ATTR_VOL_ALLOCATIONCLUMP          = 0x40
+	ATTR_VOL_ATTRIBUTES               = 0x40000000
+	ATTR_VOL_CAPABILITIES             = 0x20000
+	ATTR_VOL_DIRCOUNT                 = 0x400
+	ATTR_VOL_ENCODINGSUSED            = 0x10000
+	ATTR_VOL_FILECOUNT                = 0x200
+	ATTR_VOL_FSTYPE                   = 0x1
+	ATTR_VOL_INFO                     = 0x80000000
+	ATTR_VOL_IOBLOCKSIZE              = 0x80
+	ATTR_VOL_MAXOBJCOUNT              = 0x800
+	ATTR_VOL_MINALLOCATION            = 0x20
+	ATTR_VOL_MOUNTEDDEVICE            = 0x8000
+	ATTR_VOL_MOUNTFLAGS               = 0x4000
+	ATTR_VOL_MOUNTPOINT               = 0x1000
+	ATTR_VOL_NAME                     = 0x2000
+	ATTR_VOL_OBJCOUNT                 = 0x100
+	ATTR_VOL_QUOTA_SIZE               = 0x10000000
+	ATTR_VOL_RESERVED_SIZE            = 0x20000000
+	ATTR_VOL_SETMASK                  = 0x80002000
+	ATTR_VOL_SIGNATURE                = 0x2
+	ATTR_VOL_SIZE                     = 0x4
+	ATTR_VOL_SPACEAVAIL               = 0x10
+	ATTR_VOL_SPACEFREE                = 0x8
+	ATTR_VOL_UUID                     = 0x40000
+	ATTR_VOL_VALIDMASK                = 0xf007ffff
 	B0                                = 0x0
 	B110                              = 0x6e
 	B115200                           = 0x1c200