Files
sys/unix/example_flock_test.go
Tobias Klauser 4d1cda033e unix: remove Flock syscall for aix
AIX doesn't provide a flock() syscall, it was previously emulated in
package syscall by using fcntl. This emulation was removed in CL 152397.
Since unix.Flock wraps syscall.Flock, the build currently fails on aix
without this change.

Change-Id: Ie887619cd64ae009ea43f00c74e450a5b8f998ac
Reviewed-on: https://go-review.googlesource.com/c/153938
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Clément Chigot <clement.chigot@atos.net>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2018-12-13 20:03:52 +00:00

26 lines
594 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.
// +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)
}
}