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virtio-console: Remove any pending watches on close 

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Hans de Goede 2013-04-05 11:30:20 +02:00 committed by Gerd Hoffmann
parent f9fb0532fb
commit c3d6b96ebb
1 changed files with 22 additions and 2 deletions
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24
hw/char/virtio-console.c
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@ -18,6 +18,7 @@
typedef struct VirtConsole { typedef struct VirtConsole {
VirtIOSerialPort port; VirtIOSerialPort port;
CharDriverState *chr; CharDriverState *chr;
guint watch;
} VirtConsole; } VirtConsole;
/* /*
@ -29,6 +30,7 @@ static gboolean chr_write_unblocked(GIOChannel *chan, GIOCondition cond,
{ {
VirtConsole *vcon = opaque; VirtConsole *vcon = opaque;
vcon->watch = 0;
virtio_serial_throttle_port(&vcon->port, false); virtio_serial_throttle_port(&vcon->port, false);
return FALSE; return FALSE;
} }
@ -61,8 +63,10 @@ static ssize_t flush_buf(VirtIOSerialPort *port,
ret = 0; ret = 0;
if (!k->is_console) { if (!k->is_console) {
virtio_serial_throttle_port(port, true); virtio_serial_throttle_port(port, true);
qemu_chr_fe_add_watch(vcon->chr, G_IO_OUT, chr_write_unblocked, if (!vcon->watch) {
vcon); vcon->watch = qemu_chr_fe_add_watch(vcon->chr, G_IO_OUT,
chr_write_unblocked, vcon);
}
} }
} }
return ret; return ret;
@ -106,6 +110,10 @@ static void chr_event(void *opaque, int event)
virtio_serial_open(&vcon->port); virtio_serial_open(&vcon->port);
break; break;
case CHR_EVENT_CLOSED: case CHR_EVENT_CLOSED:
if (vcon->watch) {
g_source_remove(vcon->watch);
vcon->watch = 0;
}
virtio_serial_close(&vcon->port); virtio_serial_close(&vcon->port);
break; break;
} }
@ -130,6 +138,17 @@ static int virtconsole_initfn(VirtIOSerialPort *port)
return 0; return 0;
} }
static int virtconsole_exitfn(VirtIOSerialPort *port)
{
VirtConsole *vcon = DO_UPCAST(VirtConsole, port, port);
if (vcon->watch) {
g_source_remove(vcon->watch);
}
return 0;
}
static Property virtconsole_properties[] = { static Property virtconsole_properties[] = {
DEFINE_PROP_CHR("chardev", VirtConsole, chr), DEFINE_PROP_CHR("chardev", VirtConsole, chr),
DEFINE_PROP_END_OF_LIST(), DEFINE_PROP_END_OF_LIST(),
@ -142,6 +161,7 @@ static void virtconsole_class_init(ObjectClass *klass, void *data)
k->is_console = true; k->is_console = true;
k->init = virtconsole_initfn; k->init = virtconsole_initfn;
k->exit = virtconsole_exitfn;
k->have_data = flush_buf; k->have_data = flush_buf;
k->set_guest_connected = set_guest_connected; k->set_guest_connected = set_guest_connected;
dc->props = virtconsole_properties; dc->props = virtconsole_properties;