func (t *Toolbox) killHelper(session *SessionConfig, name string) error {
if name == "" {
name = string(ssh.SIGTERM)
}
if session.Cmd.Process == nil {
return fmt.Errorf("the session %s hasn't launched yet", session.ID)
}
sig := new(msgs.SignalMsg)
err := sig.FromString(name)
if err != nil {
return err
}
num := syscall.Signal(sig.Signum())
log.Infof("sending signal %s (%d) to %s", sig.Signal, num, session.ID)
if err := session.Cmd.Process.Signal(num); err != nil {
return fmt.Errorf("failed to signal %s: %s", session.ID, err)
}
return nil
}
func (t *attachSSH) Signal(signal ssh.Signal) error {
defer trace.End(trace.Begin(""))
msg := msgs.SignalMsg{Signal: signal}
ok, err := t.channel.SendRequest(msgs.SignalReq, true, msg.Marshal())
if err == nil && !ok {
return fmt.Errorf("unknown error")
}
if err != nil {
return fmt.Errorf("signal error: %s", err)
}
return nil
}
func (t *Toolbox) kill(name string) error {
session := t.config.Sessions[t.config.ID]
if name == "" {
name = string(ssh.SIGTERM)
}
sig := new(msgs.SignalMsg)
err := sig.FromString(name)
if err != nil {
return err
}
num := syscall.Signal(sig.Signum())
log.Infof("sending signal %s (%d) to %s", sig.Signal, num, session.ID)
if err := session.Cmd.Process.Signal(num); err != nil {
return fmt.Errorf("failed to signal %s: %s", session.ID, err)
}
return nil
}