[PATCH] allow non blocking http_receive_result

[Alexander Malysh]

Hi all,

attached patch allows http_receive_result to be non blocking if 
requested. It allow us to start only one thread for http client side.

any objections?

Thanks,
Alex
=== gwlib/http.c
==================================================================
--- gwlib/http.c        (revision 207)
+++ gwlib/http.c        (local)
@@ -1656,13 +1656,16 @@
 }
 
 
-void *http_receive_result(HTTPCaller *caller, int *status, Octstr **final_url,
-                        List **headers, Octstr **body)
+void *http_receive_result_real(HTTPCaller *caller, int *status, Octstr 
**final_url,
+                        List **headers, Octstr **body, int blocking)
 {
     HTTPServer *trans;
     void *request_id;
 
-    trans = gwlist_consume(caller);
+    if (blocking == 0)
+        trans = gwlist_extract_first(caller);
+    else
+        trans = gwlist_consume(caller);
     if (trans == NULL)
        return NULL;
 
=== gwlib/http.h
==================================================================
--- gwlib/http.h        (revision 207)
+++ gwlib/http.h        (local)
@@ -352,9 +352,12 @@
  * (the one passed to http_start request if non-NULL) or NULL if
  * http_caller_signal_shutdown has been called and there are no queued results.
  */
-void *http_receive_result(HTTPCaller *caller, int *status, Octstr **final_url,
-                        List **headers, Octstr **body);
+void *http_receive_result_real(HTTPCaller *caller, int *status, Octstr 
**final_url,
+                        List **headers, Octstr **body, int blocking);
 
+/* old compatibility mode, always blocking */
+#define http_receive_result(caller, status, final_url, headers, body) \
+    http_receive_result_real(caller, status, final_url, headers, body, 1);
 
 /***********************************************************************
  * HTTP server interface.