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go.sys/unix: add support for *xattr functions on FreeBSD

Browse Source 
Add wrappers that provide Linux-y behavior around the FreeBSD extattr(2)
functions. This allows certain packages, like the fuse package to run
under FreeBSD.

LGTM=iant
R=golang-codereviews, iant
CC=golang-codereviews
https://golang.org/cl/147850043
This commit is contained in:
William Orr
2014-10-08 07:29:25 -07:00
committed by Ian Lance Taylor
parent 7f1554891e
commit ac22431096
5 changed files with 941 additions and 0 deletions
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4
unix/mkerrors.sh
View File

@@ -74,6 +74,7 @@ includes_FreeBSD='
#include <termios.h>
#include <netinet/ip.h>
#include <netinet/ip_mroute.h>
#include <sys/extattr.h>
#if __FreeBSD__ >= 10
#define IFT_CARP 0xf8 // IFT_CARP is deprecated in FreeBSD 10
@@ -244,6 +245,9 @@ ccflags="$@"
$2 ~ /^(SCM_SRCRT)$/ {next}
$2 ~ /^(MAP_FAILED)$/ {next}
$2 ~ /^EXTATTR_NAMESPACE_NAMES/ ||
$2 ~ /^EXTATTR_NAMESPACE_[A-Z]+_STRING/ {next}
$2 !~ /^ETH_/ &&
$2 !~ /^EPROC_/ &&
$2 !~ /^EQUIV_/ &&

244
unix/syscall_freebsd.go
View File

@@ -136,6 +136,238 @@ func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
return
}
// Derive extattr namespace and attribute name
func xattrnamespace(fullattr string) (ns int, attr string, err error) {
s := -1
for idx, val := range fullattr {
if val == '.' {
s = idx
break
}
}
if s == -1 {
return -1, "", ENOATTR
}
namespace := fullattr[0:s]
attr = fullattr[s+1:]
switch namespace {
case "user":
return EXTATTR_NAMESPACE_USER, attr, nil
case "system":
return EXTATTR_NAMESPACE_SYSTEM, attr, nil
default:
return -1, "", ENOATTR
}
}
func initxattrdest(dest []byte, idx int) (d unsafe.Pointer) {
if len(dest) > idx {
return unsafe.Pointer(&dest[idx])
} else {
return unsafe.Pointer(_zero)
}
}
// FreeBSD implements its own syscalls to handle extended attributes
func Getxattr(file string, attr string, dest []byte) (sz int, err error) {
d := initxattrdest(dest, 0)
destsize := len(dest)
nsid, a, err := xattrnamespace(attr)
if err != nil {
return -1, err
}
return ExtattrGetFile(file, nsid, a, uintptr(d), destsize)
}
func Fgetxattr(fd int, attr string, dest []byte) (sz int, err error) {
d := initxattrdest(dest, 0)
destsize := len(dest)
nsid, a, err := xattrnamespace(attr)
if err != nil {
return -1, err
}
return ExtattrGetFd(fd, nsid, a, uintptr(d), destsize)
}
func Lgetxattr(link string, attr string, dest []byte) (sz int, err error) {
d := initxattrdest(dest, 0)
destsize := len(dest)
nsid, a, err := xattrnamespace(attr)
if err != nil {
return -1, err
}
return ExtattrGetLink(link, nsid, a, uintptr(d), destsize)
}
// flags are unused on FreeBSD
func Fsetxattr(fd int, attr string, data []byte, flags int) (err error) {
d := unsafe.Pointer(&data[0])
datasiz := len(data)
nsid, a, err := xattrnamespace(attr)
if err != nil {
return
}
_, err = ExtattrSetFd(fd, nsid, a, uintptr(d), datasiz)
return
}
func Setxattr(file string, attr string, data []byte, flags int) (err error) {
d := unsafe.Pointer(&data[0])
datasiz := len(data)
nsid, a, err := xattrnamespace(attr)
if err != nil {
return
}
_, err = ExtattrSetFile(file, nsid, a, uintptr(d), datasiz)
return
}
func Lsetxattr(link string, attr string, data []byte, flags int) (err error) {
d := unsafe.Pointer(&data[0])
datasiz := len(data)
nsid, a, err := xattrnamespace(attr)
if err != nil {
return
}
_, err = ExtattrSetLink(link, nsid, a, uintptr(d), datasiz)
return
}
func Removexattr(file string, attr string) (err error) {
nsid, a, err := xattrnamespace(attr)
if err != nil {
return
}
err = ExtattrDeleteFile(file, nsid, a)
return
}
func Fremovexattr(fd int, attr string) (err error) {
nsid, a, err := xattrnamespace(attr)
if err != nil {
return
}
err = ExtattrDeleteFd(fd, nsid, a)
return
}
func Lremovexattr(link string, attr string) (err error) {
nsid, a, err := xattrnamespace(attr)
if err != nil {
return
}
err = ExtattrDeleteLink(link, nsid, a)
return
}
func Listxattr(file string, dest []byte) (sz int, err error) {
d := initxattrdest(dest, 0)
destsiz := len(dest)
// FreeBSD won't allow you to list xattrs from multiple namespaces
s := 0
var e error
for _, nsid := range [...]int{EXTATTR_NAMESPACE_USER, EXTATTR_NAMESPACE_SYSTEM} {
stmp, e := ExtattrListFile(file, nsid, uintptr(d), destsiz)
/* Errors accessing system attrs are ignored so that
* we can implement the Linux-like behavior of omitting errors that
* we don't have read permissions on
*
* Linux will still error if we ask for user attributes on a file that
* we don't have read permissions on, so don't ignore those errors
*/
if e != nil && e == EPERM && nsid != EXTATTR_NAMESPACE_USER {
e = nil
continue
} else if e != nil {
return s, e
}
s += stmp
destsiz -= s
if destsiz < 0 {
destsiz = 0
}
d = initxattrdest(dest, s)
}
return s, e
}
func Flistxattr(fd int, dest []byte) (sz int, err error) {
d := initxattrdest(dest, 0)
destsiz := len(dest)
s := 0
var e error
for _, nsid := range [...]int{EXTATTR_NAMESPACE_USER, EXTATTR_NAMESPACE_SYSTEM} {
stmp, e := ExtattrListFd(fd, nsid, uintptr(d), destsiz)
if e != nil && e == EPERM && nsid != EXTATTR_NAMESPACE_USER {
e = nil
continue
} else if e != nil {
return s, e
}
s += stmp
destsiz -= s
if destsiz < 0 {
destsiz = 0
}
d = initxattrdest(dest, s)
}
return s, e
}
func Llistxattr(link string, dest []byte) (sz int, err error) {
d := initxattrdest(dest, 0)
destsiz := len(dest)
s := 0
var e error
for _, nsid := range [...]int{EXTATTR_NAMESPACE_USER, EXTATTR_NAMESPACE_SYSTEM} {
stmp, e := ExtattrListLink(link, nsid, uintptr(d), destsiz)
if e != nil && e == EPERM && nsid != EXTATTR_NAMESPACE_USER {
e = nil
continue
} else if e != nil {
return s, e
}
s += stmp
destsiz -= s
if destsiz < 0 {
destsiz = 0
}
d = initxattrdest(dest, s)
}
return s, e
}
/*
* Exposed directly
*/
@@ -150,6 +382,18 @@ func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
//sysnb Dup(fd int) (nfd int, err error)
//sysnb Dup2(from int, to int) (err error)
//sys Exit(code int)
//sys ExtattrGetFd(fd int, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error)
//sys ExtattrSetFd(fd int, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error)
//sys ExtattrDeleteFd(fd int, attrnamespace int, attrname string) (err error)
//sys ExtattrListFd(fd int, attrnamespace int, data uintptr, nbytes int) (ret int, err error)
//sys ExtattrGetFile(file string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error)
//sys ExtattrSetFile(file string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error)
//sys ExtattrDeleteFile(file string, attrnamespace int, attrname string) (err error)
//sys ExtattrListFile(file string, attrnamespace int, data uintptr, nbytes int) (ret int, err error)
//sys ExtattrGetLink(link string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error)
//sys ExtattrSetLink(link string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error)
//sys ExtattrDeleteLink(link string, attrnamespace int, attrname string) (err error)
//sys ExtattrListLink(link string, attrnamespace int, data uintptr, nbytes int) (ret int, err error)
//sys Fchdir(fd int) (err error)
//sys Fchflags(fd int, flags int) (err error)
//sys Fchmod(fd int, mode uint32) (err error)

231
unix/zsyscall_freebsd_386.go
View File

@@ -416,6 +416,237 @@ func Exit(code int) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func ExtattrGetFd(fd int, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) {
var _p0 *byte
_p0, err = BytePtrFromString(attrname)
if err != nil {
return
}
r0, _, e1 := Syscall6(SYS_EXTATTR_GET_FD, uintptr(fd), uintptr(attrnamespace), uintptr(unsafe.Pointer(_p0)), uintptr(data), uintptr(nbytes), 0)
use(unsafe.Pointer(_p0))
ret = int(r0)
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func ExtattrSetFd(fd int, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) {
var _p0 *byte
_p0, err = BytePtrFromString(attrname)
if err != nil {
return
}
r0, _, e1 := Syscall6(SYS_EXTATTR_SET_FD, uintptr(fd), uintptr(attrnamespace), uintptr(unsafe.Pointer(_p0)), uintptr(data), uintptr(nbytes), 0)
use(unsafe.Pointer(_p0))
ret = int(r0)
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func ExtattrDeleteFd(fd int, attrnamespace int, attrname string) (err error) {
var _p0 *byte
_p0, err = BytePtrFromString(attrname)
if err != nil {
return
}
_, _, e1 := Syscall(SYS_EXTATTR_DELETE_FD, uintptr(fd), uintptr(attrnamespace), uintptr(unsafe.Pointer(_p0)))
use(unsafe.Pointer(_p0))
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func ExtattrListFd(fd int, attrnamespace int, data uintptr, nbytes int) (ret int, err error) {
r0, _, e1 := Syscall6(SYS_EXTATTR_LIST_FD, uintptr(fd), uintptr(attrnamespace), uintptr(data), uintptr(nbytes), 0, 0)
ret = int(r0)
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func ExtattrGetFile(file string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) {
var _p0 *byte
_p0, err = BytePtrFromString(file)
if err != nil {
return
}
var _p1 *byte
_p1, err = BytePtrFromString(attrname)
if err != nil {
return
}
r0, _, e1 := Syscall6(SYS_EXTATTR_GET_FILE, uintptr(unsafe.Pointer(_p0)), uintptr(attrnamespace), uintptr(unsafe.Pointer(_p1)), uintptr(data), uintptr(nbytes), 0)
use(unsafe.Pointer(_p0))
use(unsafe.Pointer(_p1))
ret = int(r0)
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func ExtattrSetFile(file string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) {
var _p0 *byte
_p0, err = BytePtrFromString(file)
if err != nil {
return
}
var _p1 *byte
_p1, err = BytePtrFromString(attrname)
if err != nil {
return
}
r0, _, e1 := Syscall6(SYS_EXTATTR_SET_FILE, uintptr(unsafe.Pointer(_p0)), uintptr(attrnamespace), uintptr(unsafe.Pointer(_p1)), uintptr(data), uintptr(nbytes), 0)
use(unsafe.Pointer(_p0))
use(unsafe.Pointer(_p1))
ret = int(r0)
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func ExtattrDeleteFile(file string, attrnamespace int, attrname string) (err error) {
var _p0 *byte
_p0, err = BytePtrFromString(file)
if err != nil {
return
}
var _p1 *byte
_p1, err = BytePtrFromString(attrname)
if err != nil {
return
}
_, _, e1 := Syscall(SYS_EXTATTR_DELETE_FILE, uintptr(unsafe.Pointer(_p0)), uintptr(attrnamespace), uintptr(unsafe.Pointer(_p1)))
use(unsafe.Pointer(_p0))
use(unsafe.Pointer(_p1))
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func ExtattrListFile(file string, attrnamespace int, data uintptr, nbytes int) (ret int, err error) {
var _p0 *byte
_p0, err = BytePtrFromString(file)
if err != nil {
return
}
r0, _, e1 := Syscall6(SYS_EXTATTR_LIST_FILE, uintptr(unsafe.Pointer(_p0)), uintptr(attrnamespace), uintptr(data), uintptr(nbytes), 0, 0)
use(unsafe.Pointer(_p0))
ret = int(r0)
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func ExtattrGetLink(link string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) {
var _p0 *byte
_p0, err = BytePtrFromString(link)
if err != nil {
return
}
var _p1 *byte
_p1, err = BytePtrFromString(attrname)
if err != nil {
return
}
r0, _, e1 := Syscall6(SYS_EXTATTR_GET_LINK, uintptr(unsafe.Pointer(_p0)), uintptr(attrnamespace), uintptr(unsafe.Pointer(_p1)), uintptr(data), uintptr(nbytes), 0)
use(unsafe.Pointer(_p0))
use(unsafe.Pointer(_p1))
ret = int(r0)
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func ExtattrSetLink(link string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) {
var _p0 *byte
_p0, err = BytePtrFromString(link)
if err != nil {
return
}
var _p1 *byte
_p1, err = BytePtrFromString(attrname)
if err != nil {
return
}
r0, _, e1 := Syscall6(SYS_EXTATTR_SET_LINK, uintptr(unsafe.Pointer(_p0)), uintptr(attrnamespace), uintptr(unsafe.Pointer(_p1)), uintptr(data), uintptr(nbytes), 0)
use(unsafe.Pointer(_p0))
use(unsafe.Pointer(_p1))
ret = int(r0)
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func ExtattrDeleteLink(link string, attrnamespace int, attrname string) (err error) {
var _p0 *byte
_p0, err = BytePtrFromString(link)
if err != nil {
return
}
var _p1 *byte
_p1, err = BytePtrFromString(attrname)
if err != nil {
return
}
_, _, e1 := Syscall(SYS_EXTATTR_DELETE_LINK, uintptr(unsafe.Pointer(_p0)), uintptr(attrnamespace), uintptr(unsafe.Pointer(_p1)))
use(unsafe.Pointer(_p0))
use(unsafe.Pointer(_p1))
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func ExtattrListLink(link string, attrnamespace int, data uintptr, nbytes int) (ret int, err error) {
var _p0 *byte
_p0, err = BytePtrFromString(link)
if err != nil {
return
}
r0, _, e1 := Syscall6(SYS_EXTATTR_LIST_LINK, uintptr(unsafe.Pointer(_p0)), uintptr(attrnamespace), uintptr(data), uintptr(nbytes), 0, 0)
use(unsafe.Pointer(_p0))
ret = int(r0)
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Fchdir(fd int) (err error) {
_, _, e1 := Syscall(SYS_FCHDIR, uintptr(fd), 0, 0)
if e1 != 0 {

231
unix/zsyscall_freebsd_amd64.go
View File

@@ -416,6 +416,237 @@ func Exit(code int) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func ExtattrGetFd(fd int, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) {
var _p0 *byte
_p0, err = BytePtrFromString(attrname)
if err != nil {
return
}
r0, _, e1 := Syscall6(SYS_EXTATTR_GET_FD, uintptr(fd), uintptr(attrnamespace), uintptr(unsafe.Pointer(_p0)), uintptr(data), uintptr(nbytes), 0)
use(unsafe.Pointer(_p0))
ret = int(r0)
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func ExtattrSetFd(fd int, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) {
var _p0 *byte
_p0, err = BytePtrFromString(attrname)
if err != nil {
return
}
r0, _, e1 := Syscall6(SYS_EXTATTR_SET_FD, uintptr(fd), uintptr(attrnamespace), uintptr(unsafe.Pointer(_p0)), uintptr(data), uintptr(nbytes), 0)
use(unsafe.Pointer(_p0))
ret = int(r0)
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func ExtattrDeleteFd(fd int, attrnamespace int, attrname string) (err error) {
var _p0 *byte
_p0, err = BytePtrFromString(attrname)
if err != nil {
return
}
_, _, e1 := Syscall(SYS_EXTATTR_DELETE_FD, uintptr(fd), uintptr(attrnamespace), uintptr(unsafe.Pointer(_p0)))
use(unsafe.Pointer(_p0))
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func ExtattrListFd(fd int, attrnamespace int, data uintptr, nbytes int) (ret int, err error) {
r0, _, e1 := Syscall6(SYS_EXTATTR_LIST_FD, uintptr(fd), uintptr(attrnamespace), uintptr(data), uintptr(nbytes), 0, 0)
ret = int(r0)
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func ExtattrGetFile(file string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) {
var _p0 *byte
_p0, err = BytePtrFromString(file)
if err != nil {
return
}
var _p1 *byte
_p1, err = BytePtrFromString(attrname)
if err != nil {
return
}
r0, _, e1 := Syscall6(SYS_EXTATTR_GET_FILE, uintptr(unsafe.Pointer(_p0)), uintptr(attrnamespace), uintptr(unsafe.Pointer(_p1)), uintptr(data), uintptr(nbytes), 0)
use(unsafe.Pointer(_p0))
use(unsafe.Pointer(_p1))
ret = int(r0)
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func ExtattrSetFile(file string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) {
var _p0 *byte
_p0, err = BytePtrFromString(file)
if err != nil {
return
}
var _p1 *byte
_p1, err = BytePtrFromString(attrname)
if err != nil {
return
}
r0, _, e1 := Syscall6(SYS_EXTATTR_SET_FILE, uintptr(unsafe.Pointer(_p0)), uintptr(attrnamespace), uintptr(unsafe.Pointer(_p1)), uintptr(data), uintptr(nbytes), 0)
use(unsafe.Pointer(_p0))
use(unsafe.Pointer(_p1))
ret = int(r0)
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func ExtattrDeleteFile(file string, attrnamespace int, attrname string) (err error) {
var _p0 *byte
_p0, err = BytePtrFromString(file)
if err != nil {
return
}
var _p1 *byte
_p1, err = BytePtrFromString(attrname)
if err != nil {
return
}
_, _, e1 := Syscall(SYS_EXTATTR_DELETE_FILE, uintptr(unsafe.Pointer(_p0)), uintptr(attrnamespace), uintptr(unsafe.Pointer(_p1)))
use(unsafe.Pointer(_p0))
use(unsafe.Pointer(_p1))
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func ExtattrListFile(file string, attrnamespace int, data uintptr, nbytes int) (ret int, err error) {
var _p0 *byte
_p0, err = BytePtrFromString(file)
if err != nil {
return
}
r0, _, e1 := Syscall6(SYS_EXTATTR_LIST_FILE, uintptr(unsafe.Pointer(_p0)), uintptr(attrnamespace), uintptr(data), uintptr(nbytes), 0, 0)
use(unsafe.Pointer(_p0))
ret = int(r0)
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func ExtattrGetLink(link string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) {
var _p0 *byte
_p0, err = BytePtrFromString(link)
if err != nil {
return
}
var _p1 *byte
_p1, err = BytePtrFromString(attrname)
if err != nil {
return
}
r0, _, e1 := Syscall6(SYS_EXTATTR_GET_LINK, uintptr(unsafe.Pointer(_p0)), uintptr(attrnamespace), uintptr(unsafe.Pointer(_p1)), uintptr(data), uintptr(nbytes), 0)
use(unsafe.Pointer(_p0))
use(unsafe.Pointer(_p1))
ret = int(r0)
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func ExtattrSetLink(link string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) {
var _p0 *byte
_p0, err = BytePtrFromString(link)
if err != nil {
return
}
var _p1 *byte
_p1, err = BytePtrFromString(attrname)
if err != nil {
return
}
r0, _, e1 := Syscall6(SYS_EXTATTR_SET_LINK, uintptr(unsafe.Pointer(_p0)), uintptr(attrnamespace), uintptr(unsafe.Pointer(_p1)), uintptr(data), uintptr(nbytes), 0)
use(unsafe.Pointer(_p0))
use(unsafe.Pointer(_p1))
ret = int(r0)
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func ExtattrDeleteLink(link string, attrnamespace int, attrname string) (err error) {
var _p0 *byte
_p0, err = BytePtrFromString(link)
if err != nil {
return
}
var _p1 *byte
_p1, err = BytePtrFromString(attrname)
if err != nil {
return
}
_, _, e1 := Syscall(SYS_EXTATTR_DELETE_LINK, uintptr(unsafe.Pointer(_p0)), uintptr(attrnamespace), uintptr(unsafe.Pointer(_p1)))
use(unsafe.Pointer(_p0))
use(unsafe.Pointer(_p1))
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func ExtattrListLink(link string, attrnamespace int, data uintptr, nbytes int) (ret int, err error) {
var _p0 *byte
_p0, err = BytePtrFromString(link)
if err != nil {
return
}
r0, _, e1 := Syscall6(SYS_EXTATTR_LIST_LINK, uintptr(unsafe.Pointer(_p0)), uintptr(attrnamespace), uintptr(data), uintptr(nbytes), 0, 0)
use(unsafe.Pointer(_p0))
ret = int(r0)
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Fchdir(fd int) (err error) {
_, _, e1 := Syscall(SYS_FCHDIR, uintptr(fd), 0, 0)
if e1 != 0 {

231
unix/zsyscall_freebsd_arm.go
View File

@@ -416,6 +416,237 @@ func Exit(code int) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func ExtattrGetFd(fd int, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) {
var _p0 *byte
_p0, err = BytePtrFromString(attrname)
if err != nil {
return
}
r0, _, e1 := Syscall6(SYS_EXTATTR_GET_FD, uintptr(fd), uintptr(attrnamespace), uintptr(unsafe.Pointer(_p0)), uintptr(data), uintptr(nbytes), 0)
use(unsafe.Pointer(_p0))
ret = int(r0)
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func ExtattrSetFd(fd int, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) {
var _p0 *byte
_p0, err = BytePtrFromString(attrname)
if err != nil {
return
}
r0, _, e1 := Syscall6(SYS_EXTATTR_SET_FD, uintptr(fd), uintptr(attrnamespace), uintptr(unsafe.Pointer(_p0)), uintptr(data), uintptr(nbytes), 0)
use(unsafe.Pointer(_p0))
ret = int(r0)
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func ExtattrDeleteFd(fd int, attrnamespace int, attrname string) (err error) {
var _p0 *byte
_p0, err = BytePtrFromString(attrname)
if err != nil {
return
}
_, _, e1 := Syscall(SYS_EXTATTR_DELETE_FD, uintptr(fd), uintptr(attrnamespace), uintptr(unsafe.Pointer(_p0)))
use(unsafe.Pointer(_p0))
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func ExtattrListFd(fd int, attrnamespace int, data uintptr, nbytes int) (ret int, err error) {
r0, _, e1 := Syscall6(SYS_EXTATTR_LIST_FD, uintptr(fd), uintptr(attrnamespace), uintptr(data), uintptr(nbytes), 0, 0)
ret = int(r0)
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func ExtattrGetFile(file string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) {
var _p0 *byte
_p0, err = BytePtrFromString(file)
if err != nil {
return
}
var _p1 *byte
_p1, err = BytePtrFromString(attrname)
if err != nil {
return
}
r0, _, e1 := Syscall6(SYS_EXTATTR_GET_FILE, uintptr(unsafe.Pointer(_p0)), uintptr(attrnamespace), uintptr(unsafe.Pointer(_p1)), uintptr(data), uintptr(nbytes), 0)
use(unsafe.Pointer(_p0))
use(unsafe.Pointer(_p1))
ret = int(r0)
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func ExtattrSetFile(file string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) {
var _p0 *byte
_p0, err = BytePtrFromString(file)
if err != nil {
return
}
var _p1 *byte
_p1, err = BytePtrFromString(attrname)
if err != nil {
return
}
r0, _, e1 := Syscall6(SYS_EXTATTR_SET_FILE, uintptr(unsafe.Pointer(_p0)), uintptr(attrnamespace), uintptr(unsafe.Pointer(_p1)), uintptr(data), uintptr(nbytes), 0)
use(unsafe.Pointer(_p0))
use(unsafe.Pointer(_p1))
ret = int(r0)
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func ExtattrDeleteFile(file string, attrnamespace int, attrname string) (err error) {
var _p0 *byte
_p0, err = BytePtrFromString(file)
if err != nil {
return
}
var _p1 *byte
_p1, err = BytePtrFromString(attrname)
if err != nil {
return
}
_, _, e1 := Syscall(SYS_EXTATTR_DELETE_FILE, uintptr(unsafe.Pointer(_p0)), uintptr(attrnamespace), uintptr(unsafe.Pointer(_p1)))
use(unsafe.Pointer(_p0))
use(unsafe.Pointer(_p1))
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func ExtattrListFile(file string, attrnamespace int, data uintptr, nbytes int) (ret int, err error) {
var _p0 *byte
_p0, err = BytePtrFromString(file)
if err != nil {
return
}
r0, _, e1 := Syscall6(SYS_EXTATTR_LIST_FILE, uintptr(unsafe.Pointer(_p0)), uintptr(attrnamespace), uintptr(data), uintptr(nbytes), 0, 0)
use(unsafe.Pointer(_p0))
ret = int(r0)
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func ExtattrGetLink(link string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) {
var _p0 *byte
_p0, err = BytePtrFromString(link)
if err != nil {
return
}
var _p1 *byte
_p1, err = BytePtrFromString(attrname)
if err != nil {
return
}
r0, _, e1 := Syscall6(SYS_EXTATTR_GET_LINK, uintptr(unsafe.Pointer(_p0)), uintptr(attrnamespace), uintptr(unsafe.Pointer(_p1)), uintptr(data), uintptr(nbytes), 0)
use(unsafe.Pointer(_p0))
use(unsafe.Pointer(_p1))
ret = int(r0)
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func ExtattrSetLink(link string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) {
var _p0 *byte
_p0, err = BytePtrFromString(link)
if err != nil {
return
}
var _p1 *byte
_p1, err = BytePtrFromString(attrname)
if err != nil {
return
}
r0, _, e1 := Syscall6(SYS_EXTATTR_SET_LINK, uintptr(unsafe.Pointer(_p0)), uintptr(attrnamespace), uintptr(unsafe.Pointer(_p1)), uintptr(data), uintptr(nbytes), 0)
use(unsafe.Pointer(_p0))
use(unsafe.Pointer(_p1))
ret = int(r0)
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func ExtattrDeleteLink(link string, attrnamespace int, attrname string) (err error) {
var _p0 *byte
_p0, err = BytePtrFromString(link)
if err != nil {
return
}
var _p1 *byte
_p1, err = BytePtrFromString(attrname)
if err != nil {
return
}
_, _, e1 := Syscall(SYS_EXTATTR_DELETE_LINK, uintptr(unsafe.Pointer(_p0)), uintptr(attrnamespace), uintptr(unsafe.Pointer(_p1)))
use(unsafe.Pointer(_p0))
use(unsafe.Pointer(_p1))
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func ExtattrListLink(link string, attrnamespace int, data uintptr, nbytes int) (ret int, err error) {
var _p0 *byte
_p0, err = BytePtrFromString(link)
if err != nil {
return
}
r0, _, e1 := Syscall6(SYS_EXTATTR_LIST_LINK, uintptr(unsafe.Pointer(_p0)), uintptr(attrnamespace), uintptr(data), uintptr(nbytes), 0, 0)
use(unsafe.Pointer(_p0))
ret = int(r0)
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Fchdir(fd int) (err error) {
_, _, e1 := Syscall(SYS_FCHDIR, uintptr(fd), 0, 0)
if e1 != 0 {