53 lines
2.0 KiB
C
53 lines
2.0 KiB
C
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/*
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* Aio tasks loops
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*
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* Copyright (c) 2019 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_AIO_TASK_H
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#define BLOCK_AIO_TASK_H
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typedef struct AioTaskPool AioTaskPool;
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typedef struct AioTask AioTask;
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typedef int coroutine_fn (*AioTaskFunc)(AioTask *task);
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struct AioTask {
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AioTaskPool *pool;
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AioTaskFunc func;
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int ret;
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};
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AioTaskPool *coroutine_fn aio_task_pool_new(int max_busy_tasks);
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void aio_task_pool_free(AioTaskPool *);
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/* error code of failed task or 0 if all is OK */
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int aio_task_pool_status(AioTaskPool *pool);
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bool aio_task_pool_empty(AioTaskPool *pool);
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/* User provides filled @task, however task->pool will be set automatically */
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void coroutine_fn aio_task_pool_start_task(AioTaskPool *pool, AioTask *task);
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void coroutine_fn aio_task_pool_wait_slot(AioTaskPool *pool);
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void coroutine_fn aio_task_pool_wait_one(AioTaskPool *pool);
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void coroutine_fn aio_task_pool_wait_all(AioTaskPool *pool);
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#endif /* BLOCK_AIO_TASK_H */
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