47 lines
1.7 KiB
C
47 lines
1.7 KiB
C
/*
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* Block coroutine wrapping core, used by auto-generated block/block-gen.c
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*
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* Copyright (c) 2003 Fabrice Bellard
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* Copyright (c) 2020 Virtuozzo International GmbH
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef BLOCK_BLOCK_GEN_H
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#define BLOCK_BLOCK_GEN_H
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#include "block/block_int.h"
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/* Base structure for argument packing structures */
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typedef struct BdrvPollCo {
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AioContext *ctx;
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bool in_progress;
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Coroutine *co; /* Keep pointer here for debugging */
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} BdrvPollCo;
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static inline void bdrv_poll_co(BdrvPollCo *s)
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{
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assert(!qemu_in_coroutine());
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aio_co_enter(s->ctx, s->co);
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AIO_WAIT_WHILE(s->ctx, s->in_progress);
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}
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#endif /* BLOCK_BLOCK_GEN_H */
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