diff options
Diffstat (limited to 'hw/char')
| -rw-r--r-- | hw/char/virtio-console.c | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/hw/char/virtio-console.c b/hw/char/virtio-console.c index 061f4bd636..6759e514a6 100644 --- a/hw/char/virtio-console.c +++ b/hw/char/virtio-console.c @@ -18,6 +18,7 @@ typedef struct VirtConsole { VirtIOSerialPort port; CharDriverState *chr; + guint watch; } VirtConsole; /* @@ -29,6 +30,7 @@ static gboolean chr_write_unblocked(GIOChannel *chan, GIOCondition cond, { VirtConsole *vcon = opaque; + vcon->watch = 0; virtio_serial_throttle_port(&vcon->port, false); return FALSE; } @@ -61,8 +63,10 @@ static ssize_t flush_buf(VirtIOSerialPort *port, ret = 0; if (!k->is_console) { virtio_serial_throttle_port(port, true); - qemu_chr_fe_add_watch(vcon->chr, G_IO_OUT, chr_write_unblocked, - vcon); + if (!vcon->watch) { + vcon->watch = qemu_chr_fe_add_watch(vcon->chr, G_IO_OUT, + chr_write_unblocked, vcon); + } } } return ret; @@ -106,6 +110,10 @@ static void chr_event(void *opaque, int event) virtio_serial_open(&vcon->port); break; case CHR_EVENT_CLOSED: + if (vcon->watch) { + g_source_remove(vcon->watch); + vcon->watch = 0; + } virtio_serial_close(&vcon->port); break; } @@ -130,6 +138,17 @@ static int virtconsole_initfn(VirtIOSerialPort *port) 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[] = { DEFINE_PROP_CHR("chardev", VirtConsole, chr), DEFINE_PROP_END_OF_LIST(), @@ -142,6 +161,7 @@ static void virtconsole_class_init(ObjectClass *klass, void *data) k->is_console = true; k->init = virtconsole_initfn; + k->exit = virtconsole_exitfn; k->have_data = flush_buf; k->set_guest_connected = set_guest_connected; dc->props = virtconsole_properties; |