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/*
threadpool.h - part of lz4 project
Copyright (C) Yann Collet 2023
GPL v2 License
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
You can contact the author at :
- LZ4 source repository : https://github.com/lz4/lz4
- LZ4 public forum : https://groups.google.com/forum/#!forum/lz4c
*/
#ifndef THREADPOOL_H
#define THREADPOOL_H
#if defined (__cplusplus)
extern "C" {
#endif
typedef struct TPool_s TPool;
/*! TPool_create() :
* Create a thread pool with at most @nbThreads.
* @nbThreads must be at least 1.
* @queueSize is the maximum number of pending jobs before blocking.
* @return : TPool* pointer on success, else NULL.
*/
TPool* TPool_create(int nbThreads, int queueSize);
/*! TPool_free() :
* Free a thread pool returned by TPool_create().
* Waits for the completion of running jobs before freeing resources.
*/
void TPool_free(TPool* ctx);
/*! TPool_submitJob() :
* Add @job_function(arg) to the thread pool.
* @ctx must be valid.
* Invocation can block if queue is full.
* Note: Ensure @arg's lifetime extends until @job_function completes.
* Alternatively, @arg's lifetime must be managed by @job_function.
*/
void TPool_submitJob(TPool* ctx, void (*job_function)(void*), void* arg);
/*! TPool_jobsCompleted() :
* Blocks until all queued jobs are completed.
*/
void TPool_jobsCompleted(TPool* ctx);
#if defined (__cplusplus)
}
#endif
#endif /* THREADPOOL_H */
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