[PATCH] allow keep-alive to safari when it's ok

[Naoki Hiroshima]

Hi,

The workaround for safari/keep-alive issue being introduced by 0.8.33
seems to be way too aggressive. Since it's a POST issue, we should
unwillingly disable keep-alive only when it's POST.

-- @N

$ diff -u src/http/ngx_http_core_module.c~ src/http/ngx_http_core_module.c
--- src/http/ngx_http_core_module.c~	2010-12-14 10:38:42.000000000 +0000
+++ src/http/ngx_http_core_module.c	2011-02-11 02:55:05.000000000 +0000
@@ -802,11 +802,13 @@
                 }

             } else if (r->headers_in.safari) {
-                /*
-                 * Safari may send a POST request to a closed keepalive
-                 * connection and stalls for some time
-                 */
-                r->keepalive = 0;
+                if (r->method == NGX_HTTP_POST) {
+                    /*
+                     * Safari may send a POST request to a closed keepalive
+                     * connection and stalls for some time
+                     */
+                    r->keepalive = 0;
+		}
             }
         }