diff options
-rw-r--r-- | net/vhost-user.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/net/vhost-user.c b/net/vhost-user.c index 1b9e73a2dc..4a7fd5fbd5 100644 --- a/net/vhost-user.c +++ b/net/vhost-user.c @@ -22,6 +22,7 @@ typedef struct VhostUserState { NetClientState nc; CharDriverState *chr; VHostNetState *vhost_net; + int watch; } VhostUserState; typedef struct VhostUserChardevProps { @@ -167,6 +168,20 @@ static NetClientInfo net_vhost_user_info = { .has_ufo = vhost_user_has_ufo, }; +static gboolean net_vhost_user_watch(GIOChannel *chan, GIOCondition cond, + void *opaque) +{ + VhostUserState *s = opaque; + uint8_t buf[1]; + + /* We don't actually want to read anything, but CHR_EVENT_CLOSED will be + * raised as a side-effect of the read. + */ + qemu_chr_fe_read_all(s->chr, buf, sizeof(buf)); + + return FALSE; +} + static void net_vhost_user_event(void *opaque, int event) { const char *name = opaque; @@ -184,6 +199,8 @@ static void net_vhost_user_event(void *opaque, int event) trace_vhost_user_event(s->chr->label, event); switch (event) { case CHR_EVENT_OPENED: + s->watch = qemu_chr_fe_add_watch(s->chr, G_IO_HUP, + net_vhost_user_watch, s); if (vhost_user_start(queues, ncs) < 0) { exit(1); } @@ -192,6 +209,8 @@ static void net_vhost_user_event(void *opaque, int event) case CHR_EVENT_CLOSED: qmp_set_link(name, false, &err); vhost_user_stop(queues, ncs); + g_source_remove(s->watch); + s->watch = 0; break; } |