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superseded by renameat2.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

@@ -89,6 +89,7 @@ func Seek(fd int, offset int64, whence int) (newoffset int64, err error) {
//sys Listen(s int, n int) (err error)
//sys Lstat(path string, stat *Stat_t) (err error) = SYS_LSTAT64
//sys Pause() (err error)
//sys Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error)
//sys sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) = SYS_SENDFILE64
//sys Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) = SYS__NEWSELECT
//sys Setfsgid(gid int) (err error) = SYS_SETFSGID32