File nginx-unix-sockets.diff of Package nginx

diff --git a/src/core/ngx_inet.c b/src/core/ngx_inet.c
index 4c18036..59998be 100644
--- a/src/core/ngx_inet.c
+++ b/src/core/ngx_inet.c
@@ -68,7 +68,9 @@ ngx_sock_ntop(struct sockaddr *sa, u_char *text, size_t len, ngx_uint_t port)
     size_t                n;
     struct sockaddr_in6  *sin6;
 #endif
-
+    struct sockaddr_un   *sun;
+    size_t                path_len;
+    
     switch (sa->sa_family) {
 
     case AF_INET:
@@ -108,6 +110,17 @@ ngx_sock_ntop(struct sockaddr *sa, u_char *text, size_t len, ngx_uint_t port)
         return n;
 #endif
 
+    case AF_UNIX:
+        
+        sun = (struct sockaddr_un *) sa;
+        path_len = strlen(sun->sun_path);
+        if (path_len == 0) {
+            return ngx_snprintf(text, len, "(unknown)") - text;
+        } else {
+            ngx_copy(text, (const u_char *) sun->sun_path, path_len);
+            return path_len;
+        }
+
     default:
         return 0;
     }
diff --git a/src/http/ngx_http_request.c b/src/http/ngx_http_request.c
index 4930b50..5e3493e 100644
--- a/src/http/ngx_http_request.c
+++ b/src/http/ngx_http_request.c
@@ -2426,7 +2426,11 @@ ngx_http_set_keepalive(ngx_http_request_t *r)
 
     if (tcp_nodelay
         && clcf->tcp_nodelay
-        && c->tcp_nodelay == NGX_TCP_NODELAY_UNSET)
+        && c->tcp_nodelay == NGX_TCP_NODELAY_UNSET
+    #if (NGX_HAVE_UNIX_DOMAIN)
+        && c->sockaddr->sa_family != AF_UNIX
+    #endif
+        )
     {
         ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "tcp_nodelay");
 
diff --git a/src/http/ngx_http_upstream.c b/src/http/ngx_http_upstream.c
index 8c7f9a4..7ab60ab 100644
--- a/src/http/ngx_http_upstream.c
+++ b/src/http/ngx_http_upstream.c
@@ -1957,7 +1957,13 @@ ngx_http_upstream_send_response(ngx_http_request_t *r, ngx_http_upstream_t *u)
             return;
         }
 
-        if (clcf->tcp_nodelay && c->tcp_nodelay == NGX_TCP_NODELAY_UNSET) {
+        if (clcf->tcp_nodelay
+            && c->tcp_nodelay == NGX_TCP_NODELAY_UNSET
+        #if (NGX_HAVE_UNIX_DOMAIN)
+            && c->sockaddr->sa_family != AF_UNIX
+        #endif
+            )
+        {
             ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "tcp_nodelay");
 
             tcp_nodelay = 1;