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pool_init()º¯ÊýÔ¤ÏÈ´´½¨ºÃmax_thread_num¸öỊ̈߳¬Ã¿¸öÏß³ÌÖ´thread_routine ()º¯Êý¡£¸Ãº¯ÊýÖÐ
1. while (pool->cur_queue_size == 0)
2. {
3. pthread_cond_wait (&(pool->queue_ready),&(pool->queue_lock));
4. }
±íʾÈç¹ûÈÎÎñÁ´±íÖÐûÓÐÈÎÎñ£¬Ôò¸ÃÏ̳߳öÓÚ×èÈûµÈ´ý״̬¡£·ñÔò´Ó¶ÓÁÐÖÐÈ¡³öÈÎÎñ²¢Ö´ÐС£
pool_add_worker()º¯ÊýÏòÏ̳߳صÄÈÎÎñÁ´±íÖмÓÈëÒ»¸öÈÎÎñ£¬¼ÓÈëºóͨ¹ýµ÷ÓÃpthread_cond_signal (&(pool->queue_ready))»½ÐÑÒ»¸ö³öÓÚ×èÈû״̬µÄÏß³Ì(Èç¹ûÓеϰ)¡£
pool_destroy ()º¯ÊýÓÃÓÚÏú»ÙÏ̳߳أ¬Ï̳߳ØÈÎÎñÁ´±íÖеÄÈÎÎñ²»»áÔÙ±»Ö´ÐУ¬µ«ÊÇÕýÔÚÔËÐеÄÏ̻߳áÒ»Ö±°ÑÈÎÎñÔËÐÐÍêºóÔÙÍ˳ö¡£
ÏÂÃæÌù³öÍêÕû´úÂë
1. #include
2. #include
3. #include
4. #include
5. #include
6. #include
7.
8. /*
9. *Ï̳߳ØÀïËùÓÐÔËÐк͵ȴýµÄÈÎÎñ¶¼ÊÇÒ»¸öCThread_worker
10. *ÓÉÓÚËùÓÐÈÎÎñ¶¼ÔÚÁ´±íÀËùÒÔÊÇÒ»¸öÁ´±í½á¹¹
11. */
12. typedef struct worker
13. {
14. /*»Øµ÷º¯Êý£¬ÈÎÎñÔËÐÐʱ»áµ÷Óô˺¯Êý£¬×¢ÒâÒ²¿ÉÉùÃ÷³ÉÆäËüÐÎʽ*/
15. void *(*process) (void *arg);
16. void *arg;/*»Øµ÷º¯ÊýµÄ²ÎÊý*/
17. struct worker *next;
18.
19. } CThread_worker;
20.
21.
22. /*Ï̳߳ؽṹ*/
23. typedef struct
24. {
25. pthread_mutex_t queue_lock;
26. pthread_cond_t queue_ready;
27.
28. /*Á´±í½á¹¹£¬Ï̳߳ØÖÐËùÓеȴýÈÎÎñ*/
29. CThread_worker *queue_head;
30.
31. /*ÊÇ·ñÏú»ÙÏ̳߳Ø*/
32. int shutdown;
33. pthread_t *threadid;
34. /*Ï̳߳ØÖÐÔÊÐíµÄ»î¶¯Ïß³ÌÊýÄ¿*/
35. int max_thread_num;
36. /*µ±Ç°µÈ´ý¶ÓÁеÄÈÎÎñÊýÄ¿*/
37. int cur_queue_size;
38.
39. } CThread_pool;
40.
41.
42. int pool_add_worker (void *(*process) (void *arg), void *arg);
43. void *thread_routine (void *arg);
44.
45.
46. static CT


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