launch

type Backend struct {
	QEMU      string
	Virtiofsd string
	Owner     vm.Owner
}

type ExitError = backend.ExitError

type Options struct {
	QEMU string
	// Virtiofsd is the program that serves the shares. Empty means
	// virtiofsd on the PATH, or else /usr/libexec/virtiofsd.
	Virtiofsd string
	Stdin     *os.File
	Stdout    io.Writer
	Stderr    io.Writer
	// Progress gets the standard error of a session without a terminal,
	// which a task has. Nil runs the session on the terminal.
	Progress io.Writer
	// RemoveState removes the state disk once QEMU has it open.
	RemoveState bool
	// SocketTimeout is how long virtiofsd may take to create its socket.
	// Zero means ten seconds.
	SocketTimeout time.Duration
	// OpenVsock opens the vsock the VM and aibox talk over. Nil runs the
	// namespace helper of aibox.
	OpenVsock func() (*vsockns.Vsock, error)
	Proxy     proxy.Options
	// Env are variables for the command in the VM, as NAME=value.
	Env []string
	// OnPaste is called each time the person presses Ctrl+V, or is nil.
	OnPaste func()
	// KVMDevice is the KVM device file QEMU gets. Empty means /dev/kvm.
	KVMDevice string
	// Bubblewrap is the program that runs QEMU in its sandbox. Empty means
	// bwrap on the PATH.
	Bubblewrap string
	// NoSandbox runs QEMU without the sandbox.
	NoSandbox bool
	// Confine is called once QEMU has started, with the TCP ports the proxy
	// may still connect to. Nil means confine.Apply.
	Confine func(ports []uint16) error
	// Ports are the TCP ports of the allow list.
	Ports []uint16
	// ConsoleLog is the file the console of the VM is written to. Empty
	// throws it away.
	ConsoleLog string
	// Libraries and Firmware are what QEMU is made of on the host, bound
	// into its sandbox. Empty means those of the QEMU found, see libraries
	// and firmware.
	Libraries []string
	Firmware  string
	// StopDelay is how long a stopped program may take before it is
	// killed, and SessionEndDelay how long the session may go on after
	// QEMU exited, to show the last output of the VM. Zero means the
	// default.
	StopDelay       time.Duration
	SessionEndDelay time.Duration
}