mirror of
https://github.com/golang/sys.git
synced 2026-02-07 19:26:03 +03:00
9a76102bfb
Make all our package sources use Go 1.17 gofmt format (adding //go:build lines). Not strictly necessary but will avoid spurious changes as files are edited. Part of //go:build change (#41184). See https://golang.org/design/draft-gobuild Change-Id: I01667f826428426a39c84717d02efa25fa44553c Reviewed-on: https://go-review.googlesource.com/c/sys/+/294490 TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Keith Randall <khr@golang.org> Reviewed-by: Josh Bleecher Snyder <josharian@gmail.com> Reviewed-by: Matt Layher <mdlayher@gmail.com> Trust: Josh Bleecher Snyder <josharian@gmail.com> Trust: Russ Cox <rsc@golang.org> Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com> Run-TryBot: Russ Cox <rsc@golang.org>
27 lines
677 B
Go
27 lines
677 B
Go
// Copyright 2018 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 darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris
|
|
// +build darwin dragonfly freebsd linux netbsd openbsd solaris
|
|
|
|
package unix_test
|
|
|
|
import (
|
|
"log"
|
|
"os"
|
|
|
|
"golang.org/x/sys/unix"
|
|
)
|
|
|
|
func ExampleFlock() {
|
|
f, _ := os.Create("example.lock")
|
|
if err := unix.Flock(int(f.Fd()), unix.LOCK_EX); err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
// Do work here that requires the lock. When finished, release the lock:
|
|
if err := unix.Flock(int(f.Fd()), unix.LOCK_UN); err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
}
|