diff mbox

[v9,06/20] Add G_IO_HUP handler for socket chardev

Message ID 1393957383-16685-7-git-send-email-a.motakis@virtualopensystems.com
State New
Headers show

Commit Message

Antonios Motakis March 4, 2014, 6:22 p.m. UTC 
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>
---
 qemu-char.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
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Patch

diff --git a/qemu-char.c b/qemu-char.c
index f9bd047..68a37d2 100644
--- a/qemu-char.c
+++ b/qemu-char.c
@@ -2673,6 +2673,21 @@  CharDriverState *qemu_chr_open_eventfd(int eventfd)
 }
 #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);
+
+    return TRUE;
+}
+
 static void tcp_chr_connect(void *opaque)
 {
     CharDriverState *chr = opaque;
@@ -2682,6 +2697,7 @@  static void tcp_chr_connect(void *opaque)
     if (s->chan) {
         chr->fd_in_tag = io_add_watch_poll(s->chan, tcp_chr_read_poll,
                                            tcp_chr_read, chr);
+        g_io_add_watch(s->chan, G_IO_HUP, tcp_chr_chan_close, chr);
     }
     qemu_chr_be_generic_open(chr);
 }