# HG changeset patch
# User Vladimir Shabanov <vshabanoff@gmail.com>
# Date 1337193995 -14400
# Node ID 22858505bb2d0b5bd831b6ace787adb3b00e9b23
# Parent  a6eab6820b374cda0b829e85ab5c42dc13d67b19
Allow RPC and run it synchronously in onunload event.

diff -r a6eab6820b37 -r 22858505bb2d lib/js/urweb.js
--- a/lib/js/urweb.js	Sun May 13 17:41:21 2012 -0400
+++ b/lib/js/urweb.js	Wed May 16 22:46:35 2012 +0400
@@ -1184,17 +1184,12 @@
 var unloading = false, inFlight = null;
 
 function unload() {
-    unloading = true;
-
     for (; inFlight; inFlight = inFlight.next) {
         inFlight.data.abort();
     }
 }
 
 function requestUri(xhr, uri, needsSig, isRpc) {
-    if (unloading)
-        return;
-
     var extraData = null;
 
     if (isRpc && uri.length > 2000) {
@@ -1202,7 +1197,7 @@
         uri = uri.substring(0, 2000);
     }
 
-    xhr.open("POST", uri, true);
+    xhr.open("POST", uri, !unloading);
     xhr.setRequestHeader("Content-type", "text/plain");
     try {
         xhr.setRequestHeader("Content-length", "0");
diff -r a6eab6820b37 -r 22858505bb2d src/c/urweb.c
--- a/src/c/urweb.c	Sun May 13 17:41:21 2012 -0400
+++ b/src/c/urweb.c	Wed May 16 22:46:35 2012 +0400
@@ -1336,8 +1336,8 @@
   if (ctx->script_header[0] == 0)
     return "";
   else {
-    char *r = uw_malloc(ctx, 22 + strlen(s));
-    sprintf(r, " onunload='unload();%s'", s);
+    char *r = uw_malloc(ctx, 37 + strlen(s));
+    sprintf(r, " onunload='unloading=true;%s;unload()'", s);
     return r;
   }
 }