go error_posix 源码

golang error_posix 代码

文件路径：/src/os/error_posix.go

// 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) || windows

package os

import "syscall"

// wrapSyscallError takes an error and a syscall name. If the error is
// a syscall.Errno, it wraps it in a 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
}

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