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1 /* |
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2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. |
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3 * |
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4 * Copyright 2024 Olaf Wintermann. All rights reserved. |
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5 * |
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6 * Redistribution and use in source and binary forms, with or without |
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7 * modification, are permitted provided that the following conditions are met: |
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8 * |
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9 * 1. Redistributions of source code must retain the above copyright |
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10 * notice, this list of conditions and the following disclaimer. |
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11 * |
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12 * 2. Redistributions in binary form must reproduce the above copyright |
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13 * notice, this list of conditions and the following disclaimer in the |
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14 * documentation and/or other materials provided with the distribution. |
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15 * |
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16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
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20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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26 * POSSIBILITY OF SUCH DAMAGE. |
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27 */ |
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28 |
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29 #ifndef UIC_THREADPOOL_H |
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30 #define UIC_THREADPOOL_H |
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31 |
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32 #include "../ui/toolkit.h" |
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33 |
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34 #ifdef __cplusplus |
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35 extern "C" { |
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36 #endif |
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37 |
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38 |
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39 typedef struct UiJob { |
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40 UiObject *obj; |
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41 ui_threadfunc job_func; |
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42 void *job_data; |
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43 ui_callback finish_callback; |
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44 void *finish_data; |
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45 } UiJob; |
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46 |
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47 |
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48 typedef struct _threadpool_job threadpool_job; |
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49 typedef void*(*job_callback_f)(void *data); |
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50 |
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51 typedef struct _pool_queue pool_queue_t; |
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52 struct UiThreadpool { |
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53 pthread_mutex_t queue_lock; |
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54 pthread_mutex_t avlbl_lock; |
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55 pthread_cond_t available; |
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56 pool_queue_t *queue; |
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57 uint32_t queue_len; |
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58 uint32_t num_idle; |
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59 int min_threads; |
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60 int max_threads; |
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61 }; |
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62 |
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63 struct _threadpool_job { |
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64 job_callback_f callback; |
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65 void *data; |
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66 }; |
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67 |
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68 struct _pool_queue { |
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69 threadpool_job *job; |
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70 pool_queue_t *next; |
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71 }; |
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72 |
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73 UiThreadpool* threadpool_new(int min, int max); |
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74 int threadpool_start(UiThreadpool *pool); |
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75 void* threadpool_func(void *data); |
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76 threadpool_job* threadpool_get_job(UiThreadpool *pool); |
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77 void threadpool_run(UiThreadpool *pool, job_callback_f func, void *data); |
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78 void threadpool_enqueue_job(UiThreadpool *pool, threadpool_job *job); |
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79 |
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80 #ifdef __cplusplus |
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81 } |
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82 #endif |
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83 |
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84 #endif /* UIC_THREADPOOL_H */ |
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85 |