unix: use Renameat2 to implement Renameat on linux/riscv64

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superseded by renameat2.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

View File

@@ -1442,7 +1442,6 @@ func Getpgrp() (pid int) {
//sys Pselect(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timespec, sigmask *Sigset_t) (n int, err error) = SYS_PSELECT6
//sys read(fd int, p []byte) (n int, err error)
//sys Removexattr(path string, attr string) (err error)
//sys Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error)
//sys Renameat2(olddirfd int, oldpath string, newdirfd int, newpath string, flags uint) (err error)
//sys RequestKey(keyType string, description string, callback string, destRingid int) (id int, err error)
//sys Setdomainname(p []byte) (err error)