Modules: fixed promise events handling.

Previously, promise chain might not be invoked at all in some cases.
Specifically, this happened in HTTP module if promise chain did not start
with a r.subrequest() invocation.

The fix is to always process all pending promise events after the main module
function.

This closes #359 issue on GitHub.

1 files changed, 1 insertions, 5 deletions

diff --git a/nginx/ngx_js.c b/nginx/ngx_js.c
index 976f3b76..56b2bdd4 100644
--- a/nginx/ngx_js.c
+++ b/nginx/ngx_js.c
@@ -79,11 +79,7 @@ ngx_js_call(njs_vm_t *vm, ngx_str_t *fname, njs_opaque_value_t *value,
         return NGX_ERROR;
     }
 
-    if (njs_vm_pending(vm)) {
-        return NGX_AGAIN;
-    }
-
-    return NGX_OK;
+    return njs_vm_run(vm);
 }