service

type Config struct {
	Name             string       // Required name of the service. No spaces suggested.
	Privileged       bool         // If true, service will run as root/Administrator/etc
	Program          string       // The name of the program, defaults to the current program
	Arguments        []string     // Run with arguments.
	WorkingDirectory string       // Optional, service working directory
	Start            func() error // Required, function that starts the service (must not block)
	Stop             func() error // Optional, function that gets called when the service is stopping
}

type Service interface {
	// Start signals to the OS service manager the given service should start.
	Start() error

	// Stop signals to the OS service manager the given service should stop.
	Stop() error

	// Restart signals to the OS service manager the given service should stop
	// then start.
	Restart() error

	// InstalLOrUpdateRequired checks whether the service needs to be installed
	// or udpated.
	InstallOrUpdateRequired() (bool, error)

	// InstallOrUpdate installs or updates the given service to the OS service manager. If
	// the service doesn't yet exist, it is created. If it already exists, the
	// existing service is updated. If additional privileges are needed, the
	// user is prompted with an escalation dialog.
	//
	// Returns true if the service was installed or updated, false if it was
	// left alone.
	InstallOrUpdate() (bool, error)

	// Uninstall uninstalls the given service from the OS service manager. This may require
	// greater rights. Will return an error if the service is not present.
	Uninstall() error

	// Run runs the service
	Run() error
}