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syscall: use fchownat(2) in place of lchown(2) for linux/arm64

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Fixes #11918

Replace calls to lchown(2) with fchownat(2) for linux/arm64 as the former is not suppored.

This change has also landed on the x/sys repo as CL 12837.

Change-Id: I58d4b144e051e36dd650ec9b7f3a02610ea943e5
Reviewed-on: https://go-review.googlesource.com/12833
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Dave Cheney <dave@cheney.net>
Run-TryBot: Dave Cheney <dave@cheney.net>
Reviewed-by: Russ Cox <rsc@golang.org>
This commit is contained in:
Dave Cheney 2015-07-29 19:36:55 +10:00
parent a5d23fceab
commit 4e15092006
2 changed files with 4 additions and 17 deletions
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5
src/syscall/syscall_linux_arm64.go
View File

@ -16,7 +16,6 @@ const _SYS_dup = SYS_DUP3
//sysnb Getgid() (gid int) //sysnb Getgid() (gid int)
//sysnb Getrlimit(resource int, rlim *Rlimit) (err error) //sysnb Getrlimit(resource int, rlim *Rlimit) (err error)
//sysnb Getuid() (uid int) //sysnb Getuid() (uid int)
//sys Lchown(path string, uid int, gid int) (err error)
//sys Listen(s int, n int) (err error) //sys Listen(s int, n int) (err error)
//sys Pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64 //sys Pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64
//sys Pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64 //sys Pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64
@ -37,6 +36,10 @@ func Stat(path string, stat *Stat_t) (err error) {
return Fstatat(_AT_FDCWD, path, stat, 0) return Fstatat(_AT_FDCWD, path, stat, 0)
} }
func Lchown(path string, uid int, gid int) (err error) {
return Fchownat(_AT_FDCWD, path, uid, gid, _AT_SYMLINK_NOFOLLOW)
}
func Lstat(path string, stat *Stat_t) (err error) { func Lstat(path string, stat *Stat_t) (err error) {
return Fstatat(_AT_FDCWD, path, stat, _AT_SYMLINK_NOFOLLOW) return Fstatat(_AT_FDCWD, path, stat, _AT_SYMLINK_NOFOLLOW)
} }

16
src/syscall/zsyscall_linux_arm64.go
View File

@ -1295,22 +1295,6 @@ func Getuid() (uid int) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Lchown(path string, uid int, gid int) (err error) {
var _p0 *byte
_p0, err = BytePtrFromString(path)
if err != nil {
return
}
_, _, e1 := Syscall(SYS_LCHOWN, uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid))
use(unsafe.Pointer(_p0))
if e1 != 0 {
err = errnoErr(e1)
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Listen(s int, n int) (err error) { func Listen(s int, n int) (err error) {
_, _, e1 := Syscall(SYS_LISTEN, uintptr(s), uintptr(n), 0) _, _, e1 := Syscall(SYS_LISTEN, uintptr(s), uintptr(n), 0)
if e1 != 0 { if e1 != 0 {