die("raise");
	}

	if (verbose) {
		fprintf(stderr, "waiting for sigioSeen\n");
	}

	// Wait until the signal has been delivered.
	i = 0;
	while (!sigioSeen) {
		ts.tv_sec = 0;
		ts.tv_nsec = 1000000;
		nanosleep(&ts, NULL);
		i++;
		if (i > 5000) {
			fprintf(stderr, "looping too long waiting for signal\n");
			exit(EXIT_FAILURE);
		}
	}

	sigioSeen = 0;

      fprintf(stderr, "BUG: read: %s\n", strerror(errno));
      return 2;
    }

    // An EBADF error means that the shared library has not opened the
    // descriptor yet.
    ts.tv_sec = 0;
    ts.tv_nsec = 10000000;
    nanosleep(&ts, NULL);
  }

  if (n < 0) {
    fprintf(stderr, "BUG: failed to read any data from pipe\n");
    return 2;
  }

  if (n == 0) {
    fprintf(stderr, "BUG: unexpected EOF\n");

func Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) {
	var ts *Timespec
	if timeout != nil {
		ts = &Timespec{Sec: timeout.Sec, Nsec: timeout.Usec * 1000}
	}
	return pselect6(nfd, r, w, e, ts, nil)
}

//sys	sendfile(outfd int, infd int, offset *int64, count int) (written int, err error)
//sys	setfsgid(gid int) (prev int, err error)

		die("raise");
	}

	if (verbose) {
		printf("waiting for sigioSeen\n");
	}

	// Wait until the signal has been delivered.
	i = 0;
	while (!sigioSeen) {
		ts.tv_sec = 0;
		ts.tv_nsec = 1000000;
		nanosleep(&ts, NULL);
		i++;
		if (i > 5000) {
			fprintf(stderr, "looping too long waiting for signal\n");
			exit(EXIT_FAILURE);
		}
	}

	sigioSeen = 0;

	if (i != 0) {
		fprintf(stderr, "pthread_kill: %s\n", strerror(i));
		exit(EXIT_FAILURE);
	}

	// Wait until the signal has been delivered.
	i = 0;
	while (SIGIOCount() == 0) {
		ts.tv_sec = 0;
		ts.tv_nsec = 1000000;
		nanosleep(&ts, NULL);
		i++;
		if (i > 5000) {
			fprintf(stderr, "looping too long waiting for signal\n");
			exit(EXIT_FAILURE);
		}
	}

	// We should still be on the same signal stack.

	return &lb
}

func TestIsConnectionReset(t *testing.T) {
	ts := httptest.NewUnstartedServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		fmt.Fprintf(w, "Hello, %s", r.Proto)
	}))
	ts.EnableHTTP2 = true
	ts.StartTLS()
	defer ts.Close()

	u, err := url.Parse(ts.URL)
	if err != nil {
		t.Fatalf("failed to parse URL from %q: %v", ts.URL, err)
	}
	lb := newLB(t, u.Host)
	defer lb.ln.Close()

		die("kill");
	}

	if (verbose) {
		printf("waiting for sigioSeen\n");
	}

	// Wait until the signal has been delivered.
	i = 0;
	while (!sigioSeen) {
		ts.tv_sec = 0;
		ts.tv_nsec = 1000000;
		nanosleep(&ts, NULL);
		i++;
		if (i > 5000) {
			fprintf(stderr, "looping too long waiting for SIGIO\n");
			exit(EXIT_FAILURE);
		}
	}

	if (verbose) {

func ExampleDumpResponse() {
	const body = "Go is a general-purpose language designed with systems programming in mind."
	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		w.Header().Set("Date", "Wed, 19 Jul 1972 19:00:00 GMT")
		fmt.Fprintln(w, body)
	}))
	defer ts.Close()

	resp, err := http.Get(ts.URL)
	if err != nil {
		log.Fatal(err)
	}
	defer resp.Body.Close()

	var buf strings.Builder
	for _, test := range tests {
		buf.Reset()
		if err := Fprint(&buf, nil, test.x, nil); err != nil {
			t.Errorf("Fprint failed: %s", err)
		}
		if s, ts := trim(buf.String()), trim(test.s); s != ts {
			t.Errorf("got:\n%s\nexpected:\n%s\n", s, ts)
		}
	}

func Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) {
	var ts *Timespec
	if timeout != nil {
		ts = &Timespec{Sec: timeout.Sec, Nsec: timeout.Usec * 1000}
	}
	return pselect6(nfd, r, w, e, ts, nil)
}

//sys	sendfile(outfd int, infd int, offset *int64, count int) (written int, err error)
//sys	setfsgid(gid int) (prev int, err error)