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go/src/os/stat_unix.go
Ian Lance Taylor 6b420169d7 os, internal/poll: loop on EINTR for all file syscalls
When using a FUSE file system, any system call that touches the file
system can return EINTR.

Fixes #40846

Change-Id: I25d32da22cec08dea81ab297291a85ad72db2df7
Reviewed-on: https://go-review.googlesource.com/c/go/+/249178
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
2020-08-19 21:49:56 +00:00

53 lines
1.2 KiB
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.
// +build aix darwin dragonfly freebsd js,wasm linux netbsd openbsd solaris
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{"stat", f.name, 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{"stat", name, 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{"lstat", name, err}
}
fillFileStatFromSys(&fs, name)
return &fs, nil
}