File:  [Qemu by Fabrice Bellard] / qemu / qemu-coroutine-int.h
Revision 1.1.1.1 (vendor branch): download - view: text, annotated - select for diffs
Tue Apr 24 19:17:36 2018 UTC (3 years, 1 month ago) by root
Branches: qemu, MAIN
CVS tags: qemu1001, HEAD
qemu 1.0.1

    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

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