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| author | Amit Shah <amit.shah@redhat.com> | 2010-09-02 18:47:54 +0530 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2010-10-21 17:44:04 +1030 |
| commit | a461e11e7b8ca2705889bcf9582f6a8f84884bd2 (patch) | |
| tree | 030d009c2b8945babcde091bbdd059e54b9c2de9 | |
| parent | 55f6bcce3691f68476a530daa6666b66c43420a8 (diff) | |
| download | lwn-a461e11e7b8ca2705889bcf9582f6a8f84884bd2.tar.gz lwn-a461e11e7b8ca2705889bcf9582f6a8f84884bd2.zip | |
virtio: console: Send SIGIO in case of port unplug
If a port has registered for SIGIO signals, let the application
know that the port is getting unplugged.
Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
| -rw-r--r-- | drivers/char/virtio_console.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c index 6d5c579b1693..dc42d5689483 100644 --- a/drivers/char/virtio_console.c +++ b/drivers/char/virtio_console.c @@ -1259,6 +1259,9 @@ static void unplug_port(struct port *port) port->guest_connected = false; port->host_connected = false; wake_up_interruptible(&port->waitqueue); + + /* Let the app know the port is going down. */ + send_sigio_to_port(port); } if (is_console_port(port)) { |