57 lines
1.8 KiB
C
57 lines
1.8 KiB
C
/*
|
|
* QEMU System Emulator
|
|
*
|
|
* Copyright (c) 2003-2008 Fabrice Bellard
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
* THE SOFTWARE.
|
|
*/
|
|
|
|
#include "qemu/osdep.h"
|
|
#include "chardev/char.h"
|
|
#include "qemu/module.h"
|
|
|
|
static void null_chr_open(Chardev *chr,
|
|
ChardevBackend *backend,
|
|
bool *be_opened,
|
|
Error **errp)
|
|
{
|
|
*be_opened = false;
|
|
}
|
|
|
|
static void char_null_class_init(ObjectClass *oc, void *data)
|
|
{
|
|
ChardevClass *cc = CHARDEV_CLASS(oc);
|
|
|
|
cc->open = null_chr_open;
|
|
}
|
|
|
|
static const TypeInfo char_null_type_info = {
|
|
.name = TYPE_CHARDEV_NULL,
|
|
.parent = TYPE_CHARDEV,
|
|
.instance_size = sizeof(Chardev),
|
|
.class_init = char_null_class_init,
|
|
};
|
|
|
|
static void register_types(void)
|
|
{
|
|
type_register_static(&char_null_type_info);
|
|
}
|
|
|
|
type_init(register_types);
|