/* * 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; QSLIST_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