/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 2024 Olaf Wintermann. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef UIC_THREADPOOL_H
#define UIC_THREADPOOL_H
#include "../ui/toolkit.h"
#ifndef _WIN32
#include <pthread.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif
typedef struct UiQueueElm UiQueueElm;
typedef struct UiQueue UiQueue;
typedef struct UiJob {
UiObject *obj;
ui_threadfunc job_func;
void *job_data;
ui_callback finish_callback;
void *finish_data;
} UiJob;
struct UiQueueElm {
void *data;
UiQueueElm *next;
};
struct UiQueue {
UiQueueElm *elements;
size_t length;
pthread_mutex_t lock;
pthread_mutex_t avlbl_lock;
pthread_cond_t available;
};
typedef struct _threadpool_job threadpool_job;
typedef void*(*job_callback_f)(void *data);
typedef struct _pool_queue pool_queue_t;
struct UiThreadpool {
UiQueue *queue;
uint32_t num_idle;
int min_threads;
int max_threads;
pthread_t *threads;
int nthreads;
};
struct _threadpool_job {
job_callback_f callback;
void *data;
};
struct _pool_queue {
threadpool_job *job;
pool_queue_t *next;
};
UiThreadpool* threadpool_new(int min, int max);
int threadpool_start(UiThreadpool *pool);
int threadpool_join(UiThreadpool *pool);
void* threadpool_func(void *data);
threadpool_job* threadpool_get_job(UiThreadpool *pool);
void threadpool_run(UiThreadpool *pool, job_callback_f func, void *data);
UiQueue* ui_queue_create(void);
void ui_queue_free(UiQueue *queue);
void ui_queue_put(UiQueue *queue, void *data);
void* ui_queue_get_wait(UiQueue *queue);
#ifdef __cplusplus
}
#endif
#endif /* UIC_THREADPOOL_H */