summaryrefslogtreecommitdiff
path: root/qemu-coroutine-int.h
blob: d495615cf664bc36d15fbc706132b83d307437c9 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
/*
 * Coroutine internals
 *
 * Copyright (c) 2011 Kevin Wolf <kwolf@redhat.com>
 *
 * 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.
 */

#ifndef QEMU_COROUTINE_INT_H
#define QEMU_COROUTINE_INT_H

#include "qemu-queue.h"
#include "qemu-coroutine.h"

typedef enum {
    COROUTINE_YIELD = 1,
    COROUTINE_TERMINATE = 2,
} CoroutineAction;

struct Coroutine {
    CoroutineEntry *entry;
    void *entry_arg;
    Coroutine *caller;
    QLIST_ENTRY(Coroutine) pool_next;
    QTAILQ_ENTRY(Coroutine) co_queue_next;
};

Coroutine *qemu_coroutine_new(void);
void qemu_coroutine_delete(Coroutine *co);
CoroutineAction qemu_coroutine_switch(Coroutine *from, Coroutine *to,
                                      CoroutineAction action);

#endif