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syscall: add {Get,Set,List,Remove}xattr on Linux.

Browse Source 
R=golang-dev, minux.ma, fullung, dave, rsc, hanwenn
CC=golang-dev
https://golang.org/cl/6350074
This commit is contained in:
Han-Wen Nienhuys 2012-11-01 14:49:38 -04:00 committed by Russ Cox
parent ce287933d6
commit 4094c1bae7
4 changed files with 289 additions and 5 deletions
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9
src/pkg/syscall/syscall_linux.go
View File

@ -849,6 +849,7 @@ func Mount(source string, target string, fstype string, flags uintptr, data stri
//sysnb Getppid() (ppid int)
//sysnb Getrusage(who int, rusage *Rusage) (err error)
//sysnb Gettid() (tid int)
//sys Getxattr(path string, attr string, dest []byte) (sz int, err error)
//sys InotifyAddWatch(fd int, pathname string, mask uint32) (watchdesc int, err error)
//sysnb InotifyInit() (fd int, err error)
//sysnb InotifyInit1(flags int) (fd int, err error)
@ -856,6 +857,7 @@ func Mount(source string, target string, fstype string, flags uintptr, data stri
//sysnb Kill(pid int, sig Signal) (err error)
//sys Klogctl(typ int, buf []byte) (n int, err error) = SYS_SYSLOG
//sys Link(oldpath string, newpath string) (err error)
//sys Listxattr(path string, dest []byte) (sz int, err error)
//sys Mkdir(path string, mode uint32) (err error)
//sys Mkdirat(dirfd int, path string, mode uint32) (err error)
//sys Mknod(path string, mode uint32, dev int) (err error)
@ -866,6 +868,7 @@ func Mount(source string, target string, fstype string, flags uintptr, data stri
//sysnb prlimit(pid int, resource int, old *Rlimit, newlimit *Rlimit) (err error) = SYS_PRLIMIT64
//sys read(fd int, p []byte) (n int, err error)
//sys Readlink(path string, buf []byte) (n int, err error)
//sys Removexattr(path string, attr string) (err error)
//sys Rename(oldpath string, newpath string) (err error)
//sys Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error)
//sys Rmdir(path string) (err error)
@ -875,6 +878,7 @@ func Mount(source string, target string, fstype string, flags uintptr, data stri
//sysnb Setsid() (pid int, err error)
//sysnb Settimeofday(tv *Timeval) (err error)
//sysnb Setuid(uid int) (err error)
//sys Setxattr(path string, attr string, data []byte, flags int) (err error)
//sys Symlink(oldpath string, newpath string) (err error)
//sys Sync()
//sysnb Sysinfo(info *Sysinfo_t) (err error)
@ -954,7 +958,6 @@ func Munmap(b []byte) (err error) {
// Getitimer
// Getpmsg
// Getpriority
// Getxattr
// IoCancel
// IoDestroy
// IoGetevents
@ -966,7 +969,6 @@ func Munmap(b []byte) (err error) {
// KexecLoad
// Keyctl
// Lgetxattr
// Listxattr
// Llistxattr
// LookupDcookie
// Lremovexattr
@ -1004,7 +1006,6 @@ func Munmap(b []byte) (err error) {
// Readahead
// Readv
// RemapFilePages
// Removexattr
// RequestKey
// RestartSyscall
// RtSigaction
@ -1033,7 +1034,6 @@ func Munmap(b []byte) (err error) {
// SetThreadArea
// SetTidAddress
// Setpriority
// Setxattr
// Shmat
// Shmctl
// Shmdt
@ -1059,5 +1059,4 @@ func Munmap(b []byte) (err error) {
// Vmsplice
// Vserver
// Waitid
// Writev
// _Sysctl

95
src/pkg/syscall/zsyscall_linux_386.go
View File

@ -527,6 +527,33 @@ func Gettid() (tid int) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Getxattr(path string, attr string, dest []byte) (sz int, err error) {
var _p0 *byte
_p0, err = BytePtrFromString(path)
if err != nil {
return
}
var _p1 *byte
_p1, err = BytePtrFromString(attr)
if err != nil {
return
}
var _p2 unsafe.Pointer
if len(dest) > 0 {
_p2 = unsafe.Pointer(&dest[0])
} else {
_p2 = unsafe.Pointer(&_zero)
}
r0, _, e1 := Syscall6(SYS_GETXATTR, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(_p2), uintptr(len(dest)), 0, 0)
sz = int(r0)
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func InotifyAddWatch(fd int, pathname string, mask uint32) (watchdesc int, err error) {
var _p0 *byte
_p0, err = BytePtrFromString(pathname)
@ -623,6 +650,28 @@ func Link(oldpath string, newpath string) (err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Listxattr(path string, dest []byte) (sz int, err error) {
var _p0 *byte
_p0, err = BytePtrFromString(path)
if err != nil {
return
}
var _p1 unsafe.Pointer
if len(dest) > 0 {
_p1 = unsafe.Pointer(&dest[0])
} else {
_p1 = unsafe.Pointer(&_zero)
}
r0, _, e1 := Syscall(SYS_LISTXATTR, uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(dest)))
sz = int(r0)
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Mkdir(path string, mode uint32) (err error) {
var _p0 *byte
_p0, err = BytePtrFromString(path)
@ -772,6 +821,26 @@ func Readlink(path string, buf []byte) (n int, err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Removexattr(path string, attr string) (err error) {
var _p0 *byte
_p0, err = BytePtrFromString(path)
if err != nil {
return
}
var _p1 *byte
_p1, err = BytePtrFromString(attr)
if err != nil {
return
}
_, _, e1 := Syscall(SYS_REMOVEXATTR, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Rename(oldpath string, newpath string) (err error) {
var _p0 *byte
_p0, err = BytePtrFromString(oldpath)
@ -900,6 +969,32 @@ func Setuid(uid int) (err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Setxattr(path string, attr string, data []byte, flags int) (err error) {
var _p0 *byte
_p0, err = BytePtrFromString(path)
if err != nil {
return
}
var _p1 *byte
_p1, err = BytePtrFromString(attr)
if err != nil {
return
}
var _p2 unsafe.Pointer
if len(data) > 0 {
_p2 = unsafe.Pointer(&data[0])
} else {
_p2 = unsafe.Pointer(&_zero)
}
_, _, e1 := Syscall6(SYS_SETXATTR, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(_p2), uintptr(len(data)), uintptr(flags), 0)
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Symlink(oldpath string, newpath string) (err error) {
var _p0 *byte
_p0, err = BytePtrFromString(oldpath)

95
src/pkg/syscall/zsyscall_linux_amd64.go
View File

@ -527,6 +527,33 @@ func Gettid() (tid int) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Getxattr(path string, attr string, dest []byte) (sz int, err error) {
var _p0 *byte
_p0, err = BytePtrFromString(path)
if err != nil {
return
}
var _p1 *byte
_p1, err = BytePtrFromString(attr)
if err != nil {
return
}
var _p2 unsafe.Pointer
if len(dest) > 0 {
_p2 = unsafe.Pointer(&dest[0])
} else {
_p2 = unsafe.Pointer(&_zero)
}
r0, _, e1 := Syscall6(SYS_GETXATTR, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(_p2), uintptr(len(dest)), 0, 0)
sz = int(r0)
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func InotifyAddWatch(fd int, pathname string, mask uint32) (watchdesc int, err error) {
var _p0 *byte
_p0, err = BytePtrFromString(pathname)
@ -623,6 +650,28 @@ func Link(oldpath string, newpath string) (err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Listxattr(path string, dest []byte) (sz int, err error) {
var _p0 *byte
_p0, err = BytePtrFromString(path)
if err != nil {
return
}
var _p1 unsafe.Pointer
if len(dest) > 0 {
_p1 = unsafe.Pointer(&dest[0])
} else {
_p1 = unsafe.Pointer(&_zero)
}
r0, _, e1 := Syscall(SYS_LISTXATTR, uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(dest)))
sz = int(r0)
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Mkdir(path string, mode uint32) (err error) {
var _p0 *byte
_p0, err = BytePtrFromString(path)
@ -772,6 +821,26 @@ func Readlink(path string, buf []byte) (n int, err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Removexattr(path string, attr string) (err error) {
var _p0 *byte
_p0, err = BytePtrFromString(path)
if err != nil {
return
}
var _p1 *byte
_p1, err = BytePtrFromString(attr)
if err != nil {
return
}
_, _, e1 := Syscall(SYS_REMOVEXATTR, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Rename(oldpath string, newpath string) (err error) {
var _p0 *byte
_p0, err = BytePtrFromString(oldpath)
@ -900,6 +969,32 @@ func Setuid(uid int) (err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Setxattr(path string, attr string, data []byte, flags int) (err error) {
var _p0 *byte
_p0, err = BytePtrFromString(path)
if err != nil {
return
}
var _p1 *byte
_p1, err = BytePtrFromString(attr)
if err != nil {
return
}
var _p2 unsafe.Pointer
if len(data) > 0 {
_p2 = unsafe.Pointer(&data[0])
} else {
_p2 = unsafe.Pointer(&_zero)
}
_, _, e1 := Syscall6(SYS_SETXATTR, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(_p2), uintptr(len(data)), uintptr(flags), 0)
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Symlink(oldpath string, newpath string) (err error) {
var _p0 *byte
_p0, err = BytePtrFromString(oldpath)

95
src/pkg/syscall/zsyscall_linux_arm.go
View File

@ -527,6 +527,33 @@ func Gettid() (tid int) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Getxattr(path string, attr string, dest []byte) (sz int, err error) {
var _p0 *byte
_p0, err = BytePtrFromString(path)
if err != nil {
return
}
var _p1 *byte
_p1, err = BytePtrFromString(attr)
if err != nil {
return
}
var _p2 unsafe.Pointer
if len(dest) > 0 {
_p2 = unsafe.Pointer(&dest[0])
} else {
_p2 = unsafe.Pointer(&_zero)
}
r0, _, e1 := Syscall6(SYS_GETXATTR, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(_p2), uintptr(len(dest)), 0, 0)
sz = int(r0)
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func InotifyAddWatch(fd int, pathname string, mask uint32) (watchdesc int, err error) {
var _p0 *byte
_p0, err = BytePtrFromString(pathname)
@ -623,6 +650,28 @@ func Link(oldpath string, newpath string) (err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Listxattr(path string, dest []byte) (sz int, err error) {
var _p0 *byte
_p0, err = BytePtrFromString(path)
if err != nil {
return
}
var _p1 unsafe.Pointer
if len(dest) > 0 {
_p1 = unsafe.Pointer(&dest[0])
} else {
_p1 = unsafe.Pointer(&_zero)
}
r0, _, e1 := Syscall(SYS_LISTXATTR, uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(dest)))
sz = int(r0)
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Mkdir(path string, mode uint32) (err error) {
var _p0 *byte
_p0, err = BytePtrFromString(path)
@ -772,6 +821,26 @@ func Readlink(path string, buf []byte) (n int, err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Removexattr(path string, attr string) (err error) {
var _p0 *byte
_p0, err = BytePtrFromString(path)
if err != nil {
return
}
var _p1 *byte
_p1, err = BytePtrFromString(attr)
if err != nil {
return
}
_, _, e1 := Syscall(SYS_REMOVEXATTR, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Rename(oldpath string, newpath string) (err error) {
var _p0 *byte
_p0, err = BytePtrFromString(oldpath)
@ -900,6 +969,32 @@ func Setuid(uid int) (err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Setxattr(path string, attr string, data []byte, flags int) (err error) {
var _p0 *byte
_p0, err = BytePtrFromString(path)
if err != nil {
return
}
var _p1 *byte
_p1, err = BytePtrFromString(attr)
if err != nil {
return
}
var _p2 unsafe.Pointer
if len(data) > 0 {
_p2 = unsafe.Pointer(&data[0])
} else {
_p2 = unsafe.Pointer(&_zero)
}
_, _, e1 := Syscall6(SYS_SETXATTR, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(_p2), uintptr(len(data)), uintptr(flags), 0)
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Symlink(oldpath string, newpath string) (err error) {
var _p0 *byte
_p0, err = BytePtrFromString(oldpath)