func (a *Agent) start() {
if a.cmd != nil {
log.Fatal("Cannot call start(): program already running!")
}
if a.killcount > 0 {
return
}
cmd := exec.Command(a.args[0], a.args[1:]...)
stdout, err := cmd.StdoutPipe()
if err != nil {
log.Fatal("Unable to open pipe to stdout: %v", err)
}
stderr, err := cmd.StderrPipe()
if err != nil {
log.Fatal("Unable to open pipe to stderr: %v", err)
}
if state.Local() {
cmd.Dir = a.dir
}
go copyLines(a.Name, stdout)
go copyLines(a.Name, stderr)
log.Printf("Starting %v", a)
err = cmd.Start()
if err != nil {
log.Fatalf("Could't spawn %v: %s", a, err)
}
go func() {
err := cmd.Wait()
a.Lock()
defer a.Unlock()
// Not the active command
if a.cmd != cmd {
return
}
var d string
if err != nil {
d = fmt.Sprintf("Command exited unexpectedly: %s (%s)", cmd, err)
} else {
d = fmt.Sprintf("Command exited unexpectedly (but cleanly!): %s", cmd)
}
state.RecordDisqualifier(d)
state.WaitGroup().Exit()
}()
a.cmd = cmd
}
func (h *Harness) losef(msg string, v ...interface{}) {
disqualifier := fmt.Sprintf(msg, v...)
state.RecordDisqualifier(disqualifier)
state.WaitGroup().Exit()
}