async: aio_context_new(): Handle event_notifier_init failure

[mirror_qemu.git] / main-loop.c

diff --git a/main-loop.c b/main-loop.c
index 3cc79f82f960da3e115676a2cc57c7636ffdb10b..53393a4b18e6663ebeaab2f56b99e136b02cef1e 100644 (file)
--- a/main-loop.c
+++ b/main-loop.c
@@ -126,10 +126,11 @@ void qemu_notify_event(void)
 
 static GArray *gpollfds;
 
-int qemu_init_main_loop(void)
+int qemu_init_main_loop(Error **errp)
 {
     int ret;
     GSource *src;
+    Error *local_error = NULL;
 
     init_clocks();
 
@@ -138,8 +139,12 @@ int qemu_init_main_loop(void)
         return ret;
     }
 
+    qemu_aio_context = aio_context_new(&local_error);
+    if (!qemu_aio_context) {
+        error_propagate(errp, local_error);
+        return -EMFILE;
+    }
     gpollfds = g_array_new(FALSE, FALSE, sizeof(GPollFD));
-    qemu_aio_context = aio_context_new();
     src = aio_get_g_source(qemu_aio_context);
     g_source_attach(src, NULL);
     g_source_unref(src);