process_url: do not block ui thread on callback

1 files changed, 4 insertions, 2 deletions

diff --git a/src/process_url.c b/src/process_url.c
index e51da98..1bb411a 100644
--- a/src/process_url.c
+++ b/src/process_url.c
@@ -506,11 +506,13 @@ void poll_status(status_t *stat) {
       }
       merge_and_cleanup(curl_conf);
       append_log("Download %s finished.\n", curl_conf->outfn);
+      free_and_nullify(curl_conf);
       // Perform the callback
       if (is_empty_queue(&dl_queue) && callback_g) {
-        callback_g(p_callback_struct_g);
+        thrd_t cb_thrd;
+        thrd_create(&cb_thrd, callback_g, p_callback_struct_g);
+        thrd_detach(cb_thrd);
       }
-      free_and_nullify(curl_conf);
     }
     mtx_unlock(&mtx);
   }