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internal/syscall/unix: reuse existing {Fstat,Open,Unlink}at on freebsd 

Change-Id: I517e75faca18bf0fdcd4e6c837f50f824aa6348c
Reviewed-on: https://go-review.googlesource.com/c/go/+/431236
Reviewed-by: Cherry Mui <cherryyz@google.com>
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
This commit is contained in:
Tobias Klauser 2022-09-15 23:28:49 +02:00 committed by Gopher Robot
parent fc1cddcfe9
commit f4becf15bd
4 changed files with 18 additions and 52 deletions
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2
src/internal/syscall/unix/at.go
View File

@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build dragonfly || linux || netbsd || (openbsd && mips64)
//go:build dragonfly || freebsd || linux || netbsd || (openbsd && mips64)
package unix

47
src/internal/syscall/unix/at_freebsd.go
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@ -1,47 +0,0 @@
// Copyright 2018 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package unix
import (
"syscall"
"unsafe"
)
const (
AT_REMOVEDIR = 0x800
AT_SYMLINK_NOFOLLOW = 0x200
)
func Unlinkat(dirfd int, path string, flags int) error {
p, err := syscall.BytePtrFromString(path)
if err != nil {
return err
}
_, _, errno := syscall.Syscall(syscall.SYS_UNLINKAT, uintptr(dirfd), uintptr(unsafe.Pointer(p)), uintptr(flags))
if errno != 0 {
return errno
}
return nil
}
func Openat(dirfd int, path string, flags int, perm uint32) (int, error) {
p, err := syscall.BytePtrFromString(path)
if err != nil {
return 0, err
}
fd, _, errno := syscall.Syscall6(syscall.SYS_OPENAT, uintptr(dirfd), uintptr(unsafe.Pointer(p)), uintptr(flags), uintptr(perm), 0, 0)
if errno != 0 {
return 0, errno
}
return int(fd), nil
}
func Fstatat(dirfd int, path string, stat *syscall.Stat_t, flags int) error {
return syscall.Fstatat(dirfd, path, stat, flags)
}

6
src/internal/syscall/unix/at_statx.go → src/internal/syscall/unix/at_fstatat2.go
View File

@ -2,13 +2,11 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build linux && loong64
//go:build freebsd || (linux && loong64)
package unix
import (
"syscall"
)
import "syscall"
func Fstatat(dirfd int, path string, stat *syscall.Stat_t, flags int) error {
return syscall.Fstatat(dirfd, path, stat, flags)

15
src/internal/syscall/unix/at_sysnum_freebsd.go Normal file
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@ -0,0 +1,15 @@
// Copyright 2018 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package unix
import "syscall"
const (
AT_REMOVEDIR = 0x800
AT_SYMLINK_NOFOLLOW = 0x200
unlinkatTrap uintptr = syscall.SYS_UNLINKAT
openatTrap uintptr = syscall.SYS_OPENAT
)