Introduce contexts for asynchronous callbacks

Add the possibility to use AIO and BHs without allowing foreign callbacks to be
run. Basically, you put your own AIOs and BHs in a separate context. For
details see the comments in the source.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

1 files changed, 13 insertions, 0 deletions

diff --git a/qemu-tool.c b/qemu-tool.c
index ba24aa2a13..a1af4acfef 100644
--- a/qemu-tool.c
+++ b/qemu-tool.c
@@ -43,6 +43,19 @@ void monitor_print_filename(Monitor *mon, const char *filename)
 {
 }
 
+void async_context_push(void)
+{
+}
+
+void async_context_pop(void)
+{
+}
+
+int get_async_context_id(void)
+{
+    return 0;
+}
+
 QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque)
 {
     QEMUBH *bh;