platform

type Platform interface {
	// FindExecutable locates cmd using $PATH semantics.
	FindExecutable(cmd string) (string, error)

	// SendSignal delivers sig to pid. Returns an error if the process
	// does not exist or the caller lacks permission.
	SendSignal(pid int, sig os.Signal) error

	// Kill is shorthand for SendSignal(pid, SIGKILL).
	Kill(pid int) error
}