golang stat_unix 代码
文件路径：/src/os/stat_unix.go
/ Copyright 2016 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)
package os
import (
"syscall"
)
/ Stat returns the FileInfo structure describing file.
/ If there is an error, it will be of type *PathError.
func (f *File) Stat() (FileInfo, error) {
if f == nil {
return nil, ErrInvalid
}
var fs fileStat
err := f.pfd.Fstat(&fs.sys)
if err != nil {
return nil, &PathError{Op: "stat", Path: f.name, Err: err}
}
fillFileStatFromSys(&fs, f.name)
return &fs, nil
}
/ statNolog stats a file with no test logging.
func statNolog(name string) (FileInfo, error) {
var fs fileStat
err := ignoringEINTR(func() error {
return syscall.Stat(name, &fs.sys)
})
if err != nil {
return nil, &PathError{Op: "stat", Path: name, Err: err}
}
fillFileStatFromSys(&fs, name)
return &fs, nil
}
/ lstatNolog lstats a file with no test logging.
func lstatNolog(name string) (FileInfo, error) {
var fs fileStat
err := ignoringEINTR(func() error {
return syscall.Lstat(name, &fs.sys)
})
if err != nil {
return nil, &PathError{Op: "lstat", Path: name, Err: err}
}
fillFileStatFromSys(&fs, name)
return &fs, nil
}