/* * Block coroutine wrapping core, used by auto-generated block/block-gen.c * * Copyright (c) 2003 Fabrice Bellard * Copyright (c) 2020 Virtuozzo International GmbH * * 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 BLOCK_BLOCK_GEN_H #define BLOCK_BLOCK_GEN_H #include "block/block_int.h" /* Base structure for argument packing structures */ typedef struct BdrvPollCo { BlockDriverState *bs; bool in_progress; int ret; Coroutine *co; /* Keep pointer here for debugging */ } BdrvPollCo; static inline int bdrv_poll_co(BdrvPollCo *s) { assert(!qemu_in_coroutine()); bdrv_coroutine_enter(s->bs, s->co); BDRV_POLL_WHILE(s->bs, s->in_progress); return s->ret; } #endif /* BLOCK_BLOCK_GEN_H */