unix: check faccessat flags parameter on Linux

Currently Linux faccessat(2) syscall implementation doesn't support the
flags parameter. As per discuss in golang/go#25845, permit the same flags
as glibc [1].

[1] https://sourceware.org/git/?p=glibc.git;a=blob;f=sysdeps/unix/sysv/linux/faccessat.c;h=ea42b2303ff4b2d2d6548ea04376fb265f773436;hb=HEAD

Fixes golang/go#25845

Change-Id: I390ba14b2816283399472f3572967b19d0a36042
Reviewed-on: https://go-review.googlesource.com/119495
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:
Thanabodee Charoenpiriyakij
2018-06-20 13:35:08 +00:00
committed by Ian Lance Taylor
parent fc8bd948cf
commit ad87a3a340
25 changed files with 234 additions and 166 deletions
+15 -15
View File
@@ -508,21 +508,6 @@ func Exit(code int) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Faccessat(dirfd int, path string, mode uint32, flags int) (err error) {
var _p0 *byte
_p0, err = BytePtrFromString(path)
if err != nil {
return
}
_, _, e1 := Syscall6(SYS_FACCESSAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(flags), 0, 0)
if e1 != 0 {
err = errnoErr(e1)
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Fallocate(fd int, mode uint32, off int64, len int64) (err error) {
_, _, e1 := Syscall6(SYS_FALLOCATE, uintptr(fd), uintptr(mode), uintptr(off), uintptr(len), 0, 0)
if e1 != 0 {
@@ -1510,6 +1495,21 @@ func EpollCreate(size int) (fd int, err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func faccessat(dirfd int, path string, mode uint32) (err error) {
var _p0 *byte
_p0, err = BytePtrFromString(path)
if err != nil {
return
}
_, _, e1 := Syscall(SYS_FACCESSAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode))
if e1 != 0 {
err = errnoErr(e1)
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error) {
var _p0 unsafe.Pointer
if len(events) > 0 {