33 lines
809 B
Go
33 lines
809 B
Go
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package systemd
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import (
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"log"
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"sync"
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sysdnotify "github.com/iguanesolutions/go-systemd/v5/notify"
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"github.com/rclone/rclone/lib/atexit"
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)
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// Notify systemd that the service is starting. This returns a
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// function which should be called to notify that the service is
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// stopping. This function will be called on exit if the service exits
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// on a signal.
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func Notify() func() {
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if err := sysdnotify.Ready(); err != nil {
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log.Printf("failed to notify ready to systemd: %v", err)
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}
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var finaliseOnce sync.Once
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finalise := func() {
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finaliseOnce.Do(func() {
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if err := sysdnotify.Stopping(); err != nil {
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log.Printf("failed to notify stopping to systemd: %v", err)
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}
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})
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}
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finaliseHandle := atexit.Register(finalise)
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return func() {
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atexit.Unregister(finaliseHandle)
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finalise()
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}
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}
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