[Qemu-block] [PATCH 4/9] slirp: Remove dead code for "PROBE_CONN"

[Fam Zheng]

It has always been compiled out. Remove it before we refactor the rest
part of slirp poll.

Signed-off-by: Fam Zheng <address@hidden>
---
 slirp/slirp.c        | 40 ----------------------------------------
 slirp/slirp_config.h |  4 ----
 2 files changed, 44 deletions(-)

diff --git a/slirp/slirp.c b/slirp/slirp.c
index 35f819a..25cdca6 100644
--- a/slirp/slirp.c
+++ b/slirp/slirp.c
@@ -578,46 +578,6 @@ void slirp_pollfds_poll(GArray *pollfds, int select_error)
                      * a window probe to get things going again
                      */
                 }
-
-                /*
-                 * Probe a still-connecting, non-blocking socket
-                 * to check if it's still alive
-                 */
-#ifdef PROBE_CONN
-                if (so->so_state & SS_ISFCONNECTING) {
-                    ret = qemu_recv(so->s, &ret, 0, 0);
-
-                    if (ret < 0) {
-                        /* XXX */
-                        if (errno == EAGAIN || errno == EWOULDBLOCK ||
-                            errno == EINPROGRESS || errno == ENOTCONN) {
-                            continue; /* Still connecting, continue */
-                        }
-
-                        /* else failed */
-                        so->so_state &= SS_PERSISTENT_MASK;
-                        so->so_state |= SS_NOFDREF;
-
-                        /* tcp_input will take care of it */
-                    } else {
-                        ret = send(so->s, &ret, 0, 0);
-                        if (ret < 0) {
-                            /* XXX */
-                            if (errno == EAGAIN || errno == EWOULDBLOCK ||
-                                errno == EINPROGRESS || errno == ENOTCONN) {
-                                continue;
-                            }
-                            /* else failed */
-                            so->so_state &= SS_PERSISTENT_MASK;
-                            so->so_state |= SS_NOFDREF;
-                        } else {
-                            so->so_state &= ~SS_ISFCONNECTING;
-                        }
-
-                    }
-                    tcp_input((struct mbuf *)NULL, sizeof(struct ip), so);
-                } /* SS_ISFCONNECTING */
-#endif
             }
 
             /*
diff --git a/slirp/slirp_config.h b/slirp/slirp_config.h
index 896d802..70563ae 100644
--- a/slirp/slirp_config.h
+++ b/slirp/slirp_config.h
@@ -2,10 +2,6 @@
  * User definable configuration options
  */
 
-/* Define if you want the connection to be probed */
-/* XXX Not working yet, so ignore this for now */
-#undef PROBE_CONN
-
 /* Define to 1 if you want KEEPALIVE timers */
 #define DO_KEEPALIVE 0
 
-- 
2.4.2