[Qemu-devel] [PATCH 4/4] char: emit the OPENED event only when a new char connection is opened

[Amit Shah <amit.shah@redhat.com>]

The OPENED event gets sent also when qemu resets its state initially.
The consumers of the event aren't interested in receiving this event
on reset.

Signed-off-by: Amit Shah <amit.shah@redhat.com>
---
 qemu-char.c |    7 ++++++-
 qemu-char.h |    2 ++
 2 files changed, 8 insertions(+), 1 deletions(-)

diff --git a/qemu-char.c b/qemu-char.c
index 4757689..0fd402c 100644
--- a/qemu-char.c
+++ b/qemu-char.c
@@ -119,7 +119,12 @@ static void qemu_chr_event(CharDriverState *s, int event)
 static void qemu_chr_reset_bh(void *opaque)
 {
     CharDriverState *s = opaque;
-    qemu_chr_event(s, CHR_EVENT_OPENED);
+
+    if (s->initial_reset_issued) {
+        qemu_chr_event(s, CHR_EVENT_OPENED);
+    } else {
+        s->initial_reset_issued = true;
+    }
     qemu_bh_delete(s->bh);
     s->bh = NULL;
 }
diff --git a/qemu-char.h b/qemu-char.h
index 05fe15d..409961d 100644
--- a/qemu-char.h
+++ b/qemu-char.h
@@ -1,6 +1,7 @@
 #ifndef QEMU_CHAR_H
 #define QEMU_CHAR_H
 
+#include <stdbool.h>
 #include "qemu-common.h"
 #include "qemu-queue.h"
 #include "qemu-option.h"
@@ -66,6 +67,7 @@ struct CharDriverState {
     QEMUBH *bh;
     char *label;
     char *filename;
+    bool initial_reset_issued;
     QTAILQ_ENTRY(CharDriverState) next;
 };
 
-- 
1.6.2.5