commit 6b6723c3b508403309aa21c4fcbe515bd1edfd74
author Marc-André Lureau <marcandre.lureau@redhat.com> Wed Jul 27 01:15:17 2016 +0400
committer Michael S. Tsirkin <mst@redhat.com> Fri Jul 29 00:33:48 2016 +0300
tree a808a6c17627269e2128e53757cf109675bb8273
parent 8695de0fcf739b2071018d933b407ed8c16f40e8

char: add chr_wait_connected callback

A function to wait on the backend to be connected, to be used in the
following patches.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

qemu-char.c

diff --git a/qemu-char.c b/qemu-char.c
index 1274f50..6eba615 100644
--- a/qemu-char.c
+++ b/qemu-char.c
@@ -3139,6 +3139,15 @@
     return TRUE;
 }
 
+int qemu_chr_wait_connected(CharDriverState *chr, Error **errp)
+{
+    if (chr->chr_wait_connected) {
+        return chr->chr_wait_connected(chr, errp);
+    }
+
+    return 0;
+}
+
 static void tcp_chr_close(CharDriverState *chr)
 {
     TCPCharDriver *s = chr->opaque;