Add G_IO_HUP handler for socket chardev
This is used to detect that the remote end has disconnected. Just call
tcp_char_disconnect on receiving this event.
Signed-off-by: Antonios Motakis <a.motakis@virtualopensystems.com>
Signed-off-by: Nikolay Nikolaev <n.nikolaev@virtualopensystems.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
diff --git a/qemu-char.c b/qemu-char.c
index b9bef44..b3bd3b5 100644
--- a/qemu-char.c
+++ b/qemu-char.c
@@ -2680,6 +2680,25 @@
}
#endif
+static gboolean tcp_chr_chan_close(GIOChannel *channel, GIOCondition cond,
+ void *opaque)
+{
+ CharDriverState *chr = opaque;
+
+ if (cond != G_IO_HUP) {
+ return FALSE;
+ }
+
+ /* connection closed */
+ tcp_chr_disconnect(chr);
+ if (chr->fd_hup_tag) {
+ g_source_remove(chr->fd_hup_tag);
+ chr->fd_hup_tag = 0;
+ }
+
+ return TRUE;
+}
+
static void tcp_chr_connect(void *opaque)
{
CharDriverState *chr = opaque;
@@ -2689,6 +2708,8 @@
if (s->chan) {
chr->fd_in_tag = io_add_watch_poll(s->chan, tcp_chr_read_poll,
tcp_chr_read, chr);
+ chr->fd_hup_tag = g_io_add_watch(s->chan, G_IO_HUP, tcp_chr_chan_close,
+ chr);
}
qemu_chr_be_generic_open(chr);
}