Fix packet discards HTTP redirect.

Disconnect the connection by poll() timeout.
If timeout=0 and apr_wait_for_io_or_timeout()=APR_TIMEUP then
apr_socket_recv() returns EAGAIN.

Upstream-Status: Pending

Signed-off-by: Noriaki Yoshitane <yoshitane.nrs@cnt.ncos.nec.co.jp>
Signed-off-by: Li Wang <li.wang@windriver.com>
---
 network_io/unix/sendrecv.c |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/network_io/unix/sendrecv.c b/network_io/unix/sendrecv.c
index c133a26..e8faf15 100644
--- a/network_io/unix/sendrecv.c
+++ b/network_io/unix/sendrecv.c
@@ -85,6 +85,10 @@ apr_status_t apr_socket_recv(apr_socket_t *sock, char *buf, apr_size_t *len)
                       && (sock->timeout > 0)) {
 do_select:
         arv = apr_wait_for_io_or_timeout(NULL, sock, 1);
+        if ((arv == APR_TIMEUP) && (sock->timeout == 0)) {
+            *len = 0;
+            return EAGAIN;
+        }
         if (arv != APR_SUCCESS) {
             *len = 0;
             return arv;
-- 
1.7.9.5