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virtio: console: Send SIGIO in case of port unplug

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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>
This commit is contained in:
Amit Shah 2010-09-02 18:47:54 +05:30 committed by Rusty Russell
parent 55f6bcce36
commit a461e11e7b
1 changed files with 3 additions and 0 deletions
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3
drivers/char/virtio_console.c
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@ -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)) {