1*6e9b225fSVladimir Sementsov-Ogievskiy /* 2*6e9b225fSVladimir Sementsov-Ogievskiy * Aio tasks loops 3*6e9b225fSVladimir Sementsov-Ogievskiy * 4*6e9b225fSVladimir Sementsov-Ogievskiy * Copyright (c) 2019 Virtuozzo International GmbH. 5*6e9b225fSVladimir Sementsov-Ogievskiy * 6*6e9b225fSVladimir Sementsov-Ogievskiy * Permission is hereby granted, free of charge, to any person obtaining a copy 7*6e9b225fSVladimir Sementsov-Ogievskiy * of this software and associated documentation files (the "Software"), to deal 8*6e9b225fSVladimir Sementsov-Ogievskiy * in the Software without restriction, including without limitation the rights 9*6e9b225fSVladimir Sementsov-Ogievskiy * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 10*6e9b225fSVladimir Sementsov-Ogievskiy * copies of the Software, and to permit persons to whom the Software is 11*6e9b225fSVladimir Sementsov-Ogievskiy * furnished to do so, subject to the following conditions: 12*6e9b225fSVladimir Sementsov-Ogievskiy * 13*6e9b225fSVladimir Sementsov-Ogievskiy * The above copyright notice and this permission notice shall be included in 14*6e9b225fSVladimir Sementsov-Ogievskiy * all copies or substantial portions of the Software. 15*6e9b225fSVladimir Sementsov-Ogievskiy * 16*6e9b225fSVladimir Sementsov-Ogievskiy * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17*6e9b225fSVladimir Sementsov-Ogievskiy * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18*6e9b225fSVladimir Sementsov-Ogievskiy * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19*6e9b225fSVladimir Sementsov-Ogievskiy * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20*6e9b225fSVladimir Sementsov-Ogievskiy * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21*6e9b225fSVladimir Sementsov-Ogievskiy * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 22*6e9b225fSVladimir Sementsov-Ogievskiy * THE SOFTWARE. 23*6e9b225fSVladimir Sementsov-Ogievskiy */ 24*6e9b225fSVladimir Sementsov-Ogievskiy 25*6e9b225fSVladimir Sementsov-Ogievskiy #ifndef BLOCK_AIO_TASK_H 26*6e9b225fSVladimir Sementsov-Ogievskiy #define BLOCK_AIO_TASK_H 27*6e9b225fSVladimir Sementsov-Ogievskiy 28*6e9b225fSVladimir Sementsov-Ogievskiy typedef struct AioTaskPool AioTaskPool; 29*6e9b225fSVladimir Sementsov-Ogievskiy typedef struct AioTask AioTask; 30*6e9b225fSVladimir Sementsov-Ogievskiy typedef int coroutine_fn (*AioTaskFunc)(AioTask *task); 31*6e9b225fSVladimir Sementsov-Ogievskiy struct AioTask { 32*6e9b225fSVladimir Sementsov-Ogievskiy AioTaskPool *pool; 33*6e9b225fSVladimir Sementsov-Ogievskiy AioTaskFunc func; 34*6e9b225fSVladimir Sementsov-Ogievskiy int ret; 35*6e9b225fSVladimir Sementsov-Ogievskiy }; 36*6e9b225fSVladimir Sementsov-Ogievskiy 37*6e9b225fSVladimir Sementsov-Ogievskiy AioTaskPool *coroutine_fn aio_task_pool_new(int max_busy_tasks); 38*6e9b225fSVladimir Sementsov-Ogievskiy void aio_task_pool_free(AioTaskPool *); 39*6e9b225fSVladimir Sementsov-Ogievskiy 40*6e9b225fSVladimir Sementsov-Ogievskiy /* error code of failed task or 0 if all is OK */ 41*6e9b225fSVladimir Sementsov-Ogievskiy int aio_task_pool_status(AioTaskPool *pool); 42*6e9b225fSVladimir Sementsov-Ogievskiy 43*6e9b225fSVladimir Sementsov-Ogievskiy /* User provides filled @task, however task->pool will be set automatically */ 44*6e9b225fSVladimir Sementsov-Ogievskiy void coroutine_fn aio_task_pool_start_task(AioTaskPool *pool, AioTask *task); 45*6e9b225fSVladimir Sementsov-Ogievskiy 46*6e9b225fSVladimir Sementsov-Ogievskiy void coroutine_fn aio_task_pool_wait_slot(AioTaskPool *pool); 47*6e9b225fSVladimir Sementsov-Ogievskiy void coroutine_fn aio_task_pool_wait_one(AioTaskPool *pool); 48*6e9b225fSVladimir Sementsov-Ogievskiy void coroutine_fn aio_task_pool_wait_all(AioTaskPool *pool); 49*6e9b225fSVladimir Sementsov-Ogievskiy 50*6e9b225fSVladimir Sementsov-Ogievskiy #endif /* BLOCK_AIO_TASK_H */ 51