usb-redir: convert to QOM
[qemu.git] / qemu-coroutine-int.h
1 /*
2 * Coroutine internals
3 *
4 * Copyright (c) 2011 Kevin Wolf <kwolf@redhat.com>
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24
25 #ifndef QEMU_COROUTINE_INT_H
26 #define QEMU_COROUTINE_INT_H
27
28 #include "qemu-queue.h"
29 #include "qemu-coroutine.h"
30
31 typedef enum {
32 COROUTINE_YIELD = 1,
33 COROUTINE_TERMINATE = 2,
34 } CoroutineAction;
35
36 struct Coroutine {
37 CoroutineEntry *entry;
38 void *entry_arg;
39 Coroutine *caller;
40 QLIST_ENTRY(Coroutine) pool_next;
41 QTAILQ_ENTRY(Coroutine) co_queue_next;
42 };
43
44 Coroutine *qemu_coroutine_new(void);
45 void qemu_coroutine_delete(Coroutine *co);
46 CoroutineAction qemu_coroutine_switch(Coroutine *from, Coroutine *to,
47 CoroutineAction action);
48
49 #endif