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xiehanandXieHan
65473be586
* Make thrdpool stronger * Fix some comments * fix grammar * change some include to forward declaration * remove some typedef * move codes Co-authored-by: XieHan <XieHan@sogou-inc.com>
62 lines
1.7 KiB
C
62 lines
1.7 KiB
C
/*
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Copyright (c) 2019 Sogou, Inc.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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Author: Xie Han (xiehan@sogou-inc.com)
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*/
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#ifndef _THRDPOOL_H_
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#define _THRDPOOL_H_
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#include <stddef.h>
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typedef struct __thrdpool thrdpool_t;
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struct thrdpool_task
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{
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void (*routine)(void *);
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void *context;
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};
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/*
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* Thread pool originates from project Sogou C++ Workflow
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* https://github.com/sogou/workflow
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*
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* A thread task can be scheduled by another task, which is very important,
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* even if the pool is being destroyed. Because thread task is hard to know
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* what's happening to the pool.
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* The thread pool can also be destroyed by a thread task. This may sound
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* strange, but it's very logical. Destroying thread pool in thread task
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* does not end the task thread. It'll run till the end of task.
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*/
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thrdpool_t *thrdpool_create(size_t nthreads, size_t stacksize);
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int thrdpool_schedule(const struct thrdpool_task *task, thrdpool_t *pool);
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int thrdpool_increase(thrdpool_t *pool);
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int thrdpool_in_pool(thrdpool_t *pool);
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void thrdpool_destroy(void (*pending)(const struct thrdpool_task *),
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thrdpool_t *pool);
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#ifdef __cplusplus
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}
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#endif
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#endif
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