only call mutex functions if APR_HAS_THREADS

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@745338 13f79535-47bb-0310-9956-ffa450edef68

diff --git a/modules/http/http_request.c b/modules/http/http_request.c
index 4da05d2ba00b62c05dc1a20a08378cbc77284da8..d1a6c4ca0f0dae113526e438330617499f1150d1 100644 (file)
--- a/modules/http/http_request.c
+++ b/modules/http/http_request.c
@@ -290,8 +290,10 @@ void ap_process_async_request(request_rec *r)
         ap_time_process_request(r->connection->sbh, START_PREQUEST);
     }
 
+#if APR_HAS_THREADS
     apr_thread_mutex_create(&r->invoke_mtx, APR_THREAD_MUTEX_DEFAULT, r->pool);
     apr_thread_mutex_lock(r->invoke_mtx);
+#endif
     access_status = ap_run_quick_handler(r, 0);  /* Not a look-up request */
     if (access_status == DECLINED) {
         access_status = ap_process_request_internal(r);
@@ -309,10 +311,14 @@ void ap_process_async_request(request_rec *r)
             ap_time_process_request(c->sbh, STOP_PREQUEST);
         }
         c->cs->state = CONN_STATE_SUSPENDED;
+#if APR_HAS_THREADS
         apr_thread_mutex_unlock(r->invoke_mtx);
+#endif
         return;
     }
+#if APR_HAS_THREADS
     apr_thread_mutex_unlock(r->invoke_mtx);
+#endif
 
     if (access_status == DONE) {
         /* e.g., something not in storage like TRACE */