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1bfbee0e20
Done with: go get go@1.18 go mod tidy go fix ./... Using go1.21.3. Also update code generators to use only the new go:build lines, not the old +build ones. For golang/go#60268. Change-Id: I6aabc42efb6ab3329981100e1db2263aac5e92a6 Reviewed-on: https://go-review.googlesource.com/c/sys/+/534222 Reviewed-by: Ian Lance Taylor <iant@google.com> Reviewed-by: Dmitri Shuralyov <dmitshur@google.com> Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
26 lines
613 B
Go
26 lines
613 B
Go
// Copyright 2018 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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//go:build darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris
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package unix_test
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import (
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"log"
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"os"
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"golang.org/x/sys/unix"
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)
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func ExampleFlock() {
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f, _ := os.Create("example.lock")
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if err := unix.Flock(int(f.Fd()), unix.LOCK_EX); err != nil {
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log.Fatal(err)
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}
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// Do work here that requires the lock. When finished, release the lock:
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if err := unix.Flock(int(f.Fd()), unix.LOCK_UN); err != nil {
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log.Fatal(err)
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}
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}
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