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unix: use Renameat2 to implement Renameat on linux/riscv64

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On linux/riscv64, the renameat syscall no longer exists and has been
superseded by renameat2. Use Renameat2 to implement Renameat on
linux/riscv64.

Based on a patch by Ryan O'Leary.

Updates golang/go#27532

Change-Id: I7c60c7f824750408265f67397b8ac1fa7226f425
Reviewed-on: https://go-review.googlesource.com/c/157899
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
2019-01-16 10:02:19 +01:00
committed by Tobias Klauser
parent 5552a988b7
commit e5ecc2a674
24 changed files with 253 additions and 261 deletions
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40
unix/zsyscall_linux_arm.go
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@@ -1205,26 +1205,6 @@ func Removexattr(path string, attr string) (err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error) {
var _p0 *byte
_p0, err = BytePtrFromString(oldpath)
if err != nil {
return
}
var _p1 *byte
_p1, err = BytePtrFromString(newpath)
if err != nil {
return
}
_, _, e1 := Syscall6(SYS_RENAMEAT, uintptr(olddirfd), uintptr(unsafe.Pointer(_p0)), uintptr(newdirfd), uintptr(unsafe.Pointer(_p1)), 0, 0)
if e1 != 0 {
err = errnoErr(e1)
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Renameat2(olddirfd int, oldpath string, newdirfd int, newpath string, flags uint) (err error) {
var _p0 *byte
_p0, err = BytePtrFromString(oldpath)
@@ -2033,6 +2013,26 @@ func Pause() (err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error) {
var _p0 *byte
_p0, err = BytePtrFromString(oldpath)
if err != nil {
return
}
var _p1 *byte
_p1, err = BytePtrFromString(newpath)
if err != nil {
return
}
_, _, e1 := Syscall6(SYS_RENAMEAT, uintptr(olddirfd), uintptr(unsafe.Pointer(_p0)), uintptr(newdirfd), uintptr(unsafe.Pointer(_p1)), 0, 0)
if e1 != 0 {
err = errnoErr(e1)
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
r0, _, e1 := Syscall6(SYS_SENDFILE64, uintptr(outfd), uintptr(infd), uintptr(unsafe.Pointer(offset)), uintptr(count), 0, 0)
written = int(r0)