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@@ -0,0 +1,42 @@
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+// Copyright 2021 Frédéric Guillot. All rights reserved.
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+// Use of this source code is governed by the Apache 2.0
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+// license that can be found in the LICENSE file.
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+
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+package cli // import "miniflux.app/cli"
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+
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+import (
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+ "net"
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+ "os"
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+)
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+
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+const (
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+ // sdNotifyReady tells the service manager that service startup is
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+ // finished, or the service finished loading its configuration.
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+ sdNotifyReady = "READY=1"
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+)
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+
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+// sdNotify sends a message to systemd using the sd_notify protocol.
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+// See https://www.freedesktop.org/software/systemd/man/sd_notify.html.
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+func sdNotify(state string) error {
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+ addr := &net.UnixAddr{
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+ Net: "unixgram",
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+ Name: os.Getenv("NOTIFY_SOCKET"),
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+ }
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+
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+ if addr.Name == "" {
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+ // We're not running under systemd (NOTIFY_SOCKET has not set).
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+ return nil
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+ }
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+
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+ conn, err := net.DialUnix(addr.Net, nil, addr)
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+ if err != nil {
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+ return err
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+ }
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+ defer conn.Close()
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+
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+ if _, err = conn.Write([]byte(state)); err != nil {
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+ return err
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+ }
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+
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+ return nil
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+}
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Ilya Mateyko