1 files changed, 22 insertions, 0 deletions
diff --git a/src/internal/syscall/unix/at.go b/src/internal/syscall/unix/at.go
index 794f8ace14..be7920c115 100644
--- a/src/internal/syscall/unix/at.go
+++ b/src/internal/syscall/unix/at.go
@@ -114,3 +114,25 @@ func Fchownat(dirfd int, path string, uid, gid int, flags int) error {
 	}
 	return nil
 }
+
+func Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) error {
+	oldp, err := syscall.BytePtrFromString(oldpath)
+	if err != nil {
+		return err
+	}
+	newp, err := syscall.BytePtrFromString(newpath)
+	if err != nil {
+		return err
+	}
+	_, _, errno := syscall.Syscall6(renameatTrap,
+		uintptr(olddirfd),
+		uintptr(unsafe.Pointer(oldp)),
+		uintptr(newdirfd),
+		uintptr(unsafe.Pointer(newp)),
+		0,
+		0)
+	if errno != 0 {
+		return errno
+	}
+	return nil
+}