svc

type Control func(command string) (string, error)

type Service struct {
	Name        string   // Required name of the service. No spaces suggested.
	DisplayName string   // Display name, spaces allowed.
	Description string   // Long description of service.
	UserName    string   // Run as username.
	Arguments   []string // Run with arguments.

	// Optional field to specify the executable for service.
	// If empty the current executable is used.
	Executable string

	// Array of service dependencies.
	// Not yet fully implemented on Linux or OS X:
	//  1. Support linux-systemd dependencies, just put each full line as the
	//     element of the string array, such as
	//     "After=network.target syslog.target"
	//     "Requires=syslog.target"
	//     Note, such lines will be directly appended into the [Unit] of
	//     the generated service config file, will not check their correctness.
	Dependencies []string

	// The following fields are not supported on Windows.
	WorkingDirectory string // Initial working directory.
	ChRoot           string
	Option           map[string]any // System specific options.

	EnvVars map[string]string

	Init func() error                //block exec
	Run  func(context.Context) error //non-block exec
}