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      ʲôʱºòÐèÒª´´½¨Ï̳߳ØÄØ£¿¼òµ¥µÄ˵£¬Èç¹ûÒ»¸öÓ¦ÓÃÐèҪƵ·±µÄ´´½¨ºÍÏú»ÙỊ̈߳¬¶øÈÎÎñÖ´ÐеÄʱ¼äÓַdz£¶Ì£¬ÕâÑùÏ̴߳´½¨ºÍÏú»ÙµÄ´øÀ´µÄ¿ªÏú¾Í²»ÈݺöÊÓ£¬ÕâʱҲÊÇÏ̳߳ظóö³¡µÄ»ú»áÁË¡£Èç¹ûÏ̴߳´½¨ºÍÏú»Ùʱ¼äÏà±ÈÈÎÎñÖ´ÐÐʱ¼ä¿ÉÒÔºöÂÔ²»¼Æ£¬ÔòûÓбØҪʹÓÃÏ̳߳ØÁË¡£
   ÏÂÃæÊÇLinuxϵͳÏÂÓÃCÓïÑÔ´´½¨µÄÒ»¸öÏ̳߳ء£Ï̳߳ػáά»¤Ò»¸öÈÎÎñÁ´±í(ÿ¸öCThread_worker½á¹¹¾ÍÊÇÒ»¸öÈÎÎñ)¡£
   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. }
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   pool_add_worker()º¯ÊýÏòÏ̳߳صÄÈÎÎñÁ´±íÖмÓÈëÒ»¸öÈÎÎñ£¬¼ÓÈëºóͨ¹ýµ÷ÓÃpthread_cond_signal (&(pool->queue_ready))»½ÐÑÒ»¸ö³öÓÚ×èÈû״̬µÄÏß³Ì(Èç¹ûÓеĻ°)¡£
 
   pool_destroy ()º¯ÊýÓÃÓÚÏú»ÙÏ̳߳أ¬Ï̳߳ØÈÎÎñÁ´±íÖеÄÈÎÎñ²»»áÔÙ±»Ö´ÐУ¬µ«ÊÇÕýÔÚÔËÐеÄÏ̻߳áÒ»Ö±°ÑÈÎÎñÔËÐÐÍêºóÔÙÍ˳ö¡£
ÏÂÃæÌù³öÍêÕû´úÂë
   1. #include <stdio.h>
   2. #include <stdlib.h>
   3. #include <unistd.h>
   4. #include <sys/types.h>
   5. #include <pthread.h>
   6. #include <assert.h>
   7.
   8. /*
   9. *Ï̳߳ØÀïËùÓÐÔËÐк͵ȴýµÄÈÎÎñ¶¼ÊÇÒ»¸ö CThread_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.
 


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