watchdogd

type Daemon struct {
	// CurrentOpts is current operating parameters for the daemon.
	//
	// It is assigned at the first call of Run and updated on each subsequent call of it.
	CurrentOpts *DaemonOpts

	// CurrentWd is an open file descriptor to the watchdog device specified in the daemon options.
	CurrentWd *watchdog.Watchdog

	// PettingOp syncs the signal to continue or stop petting the watchdog.
	PettingOp chan int

	// PettingOn indicate if there is an active petting session.
	PettingOn bool
}

type DaemonOpts struct {
	// Dev is the watchdog device. Ex: /dev/watchdog
	Dev string

	// nil uses the preset values. 0 disables the timeout.
	Timeout, PreTimeout *time.Duration

	// KeepAlive is the length of the keep alive interval.
	KeepAlive time.Duration

	// Monitors are called before each keepalive interval. If any monitor
	// function returns an error, the .
	Monitors []func() error

	// UDS is the name of daemon's unix domain socket.
	UDS string
}