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os: define wrapSyscallError only on linux

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wrapSyscallError by now is only used on linux in the methods defined in
os/zero_copy_linux.go. Move the definition there.

Change-Id: I0ca5749adaac44e8d095b8452458b647f595d3c8
Reviewed-on: https://go-review.googlesource.com/c/go/+/575595
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Tobias Klauser <tobias.klauser@gmail.com>
This commit is contained in:
Tobias Klauser 2024-04-02 00:10:47 +02:00 committed by Gopher Robot
parent 88b1d6115a
commit e3ec1ca17e
2 changed files with 9 additions and 18 deletions
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18
src/os/error_posix.go
View File

@ -1,18 +0,0 @@
// Copyright 2017 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.
//go:build unix || (js && wasm) || wasip1 || windows
package os
import "syscall"
// wrapSyscallError takes an error and a syscall name. If the error is
// a syscall.Errno, it wraps it in an os.SyscallError using the syscall name.
func wrapSyscallError(name string, err error) error {
if _, ok := err.(syscall.Errno); ok {
err = NewSyscallError(name, err)
}
return err
}

9
src/os/zero_copy_linux.go
View File

@ -16,6 +16,15 @@ var (
pollSendFile = poll.SendFile
)
// wrapSyscallError takes an error and a syscall name. If the error is
// a syscall.Errno, it wraps it in an os.SyscallError using the syscall name.
func wrapSyscallError(name string, err error) error {
if _, ok := err.(syscall.Errno); ok {
err = NewSyscallError(name, err)
}
return err
}
func (f *File) writeTo(w io.Writer) (written int64, handled bool, err error) {
pfd, network := getPollFDAndNetwork(w)
// TODO(panjf2000): same as File.spliceToFile.