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
}