Linux C ʵÏÖÏ̳߳Ø
×î½ü×öµÄһЩ¹¤×÷ÐèÒªÓõ½Ï̳߳ؼ¼Êõ£¬Òò´Ë²Î¿¼ÁËһЩ×ÊÁϺÍÊé¼®£¬Èç¡¶0bug c/c++ÉÌÓù¤³ÌÖ®µÀ¡·¡£
Ϊ´ËÔÚlinuxƽ̨ÉÏÓô¿cдÁËÒ»¸öÏ̳߳صÄʵÏÖ¡£
ÔÚ´ËÁгöÁËÔ´úÂë¡£
Ö÷ÒªÓõ½µÄÊý¾Ý½á¹¹ÓÐ
1.struct thread_pool_t // thread pool µÄʵÏÖ´úÂë
2.struct thread_pool_token_t //ÔÚthread pool ÖÐÓõ½µÄ½á¹¹£¬Ò»¸ö¸ÃÀàÐͱäÁ¿´ú±íÒ»ÌõÏß³Ì
3.struct thread_pool_job_t //µ±Ïßǰ³Ì´¦Àí¸ÃÈÎÎñ½«»Øµ÷½á¹¹
Éè¼ÆË¼Â·£º
Ö÷Ï̴߳´½¨Ï̳߳صĿØÖÆỊ̈߳¬
¹ÜÀíÏ߳̽«½øÈëÑ»·À´×öÒÔÏÂÊÂÇ飺
1.Èç¹ûµ±Ç°¿ÕÏнø³Ì²»×ã²¢ÇÒ×ÜÏß³ÌÊýûÓдﵽÉÏÏÞ£¬½«´´½¨Ò»Ìõ¿ÕÏÐỊ̈߳¬ÖÁµÀ¿ÕÏÐÏ̴߳ﵽ3Ìõ£¨¼ûTHREAD_POOL_MIN_IDLE_SIZE£©
2.²»¶Ï¼ì²é¹¤×÷ÈÎÎñ¶ÓÁУ¬ÓÐÔò°²ÅÅÒ»Ìõ¿ÕÏÐÏ̶߳ԸÃÈÎÎñ½øÐд¦Àí
ÆÕͨÏ̱߳»¹ÜÀíÏ̴߳´½¨ºóÒ²½«½øÈëÑ»·À´×öÒÔÏÂÊÂÇ飺
1.¼ì²éµ±Ç°assignµÄthread_pool_token_t½á¹¹µÄ״̬£¬Èç¹ûÊÇTREAD_POOL_STATE_BUSYÔòµ÷ÓÃthread_pool_token_tËù×¢²áµÄ»Øµ÷º¯ÊýÀ´´¦ÀíÈÎÎñ¡£
2.Íê³É¸ÃÈÎÎñºó¼ì²âµ±Ç°¿ÕÏнø³Ì¹»²»¹»£¬Èç¹ûÌ«¶àÔòÍ˳ö±¾Ị̈߳¬·ñÔò»á¸ÄдÔËÐÐ״̬ΪTREAD_POOL_STATE_IDLEºó¼ÌÐøÑ»·
×¢²áÈÎÎñ£º
1.µ±Ã»ÓпÕÏÐÏ߳̿ÉÓÃʱ½«°Ñ¸ÃÈÎÎñ¼ÓÈ빤×÷ÈÎÎñ¶ÓÁУ¨Ð趨Òå_THREAD_POOL_JOB_LIST_£©£¬ÒÔ±¸½«À´ÓпÕÏÐÏß³ÌÊÇÄܹ»½øÐд¦Àí¡£
Ö÷ÒªÎļþ £º
1.thread_pool.h
#ifndef _LIB_DOL_THREAD_POOL_H_
#define _LIB_DOL_THREAD_POOL_H_
#include "thread_pool.def"
#include <pthread.h>
#define THREAD_POOL_MIN_SIZE 5 /* at least 5 threads, 4 job + 1 manage thread */
#define THREAD_POOL_MIN_IDLE_SIZE 3 /* at least 3 threads idle to improve the efficiency */
#define THREAD_POOL_DEFAULT_SIZE 10 /* default threads in thread pool */
#define THREAD_POOL_MAX_SIZE 100 /* max threads in thread pool */
#define TREAD_POOL_STATE_NOTRUN 0
#define TREAD_POOL_STATE_IDLE 1
#define TREAD_POOL_STATE_BUSY 2
#define TREAD_POOL_REG_OK 0
#define
Ïà¹ØÎĵµ£º
Ò»Ö±ÏëдµãLINUXÖеÄFORKº¯Êý,µ«ÊǰÉ,ÎÒʵÔÚÊÇÌ«ÀÁÁË,ÔÙ¼ÓÉÏÎIJɲ»ÔõôºÃ,ËùÒԾʹÓÍøÉÏÕÒÁËÆªÐ´µÄ²»´íµÄÎÄÕÂ,¿´ÍêÖ®ºóÓ¦¸Ã¶ÔFORKº¯ÊýÓÐÒ»¶¨µÄÁ˽â~~
¸ø³öÈçÏÂC³ÌÐò£¬ÔÚlinuxÏÂʹÓÃgcc±àÒ룺
1 #include "stdio.h"
2 #include "sys/types.h"
3 #include "unistd.h"
4
5 int main()
6 ......
ÍøÉÏÒ»µÀ½ðɽµÄÃæÊÔÌ⣺
http://topic.csdn.net/u/20100524/14/0eff992a-2849-4db6-bdaa-d4a200e79b7c.html
Çë·Ö±ðÓÃC++µÄÃæÏò¶ÔÏóºÍ·ºÐÍ»úÖÆ£¬±àдʵÏÖTemplate MethodģʽµÄʾÀý´úÂ룬²¢±È½ÏÁ½ÖÖ·½Ê½¸÷×ÔµÄÓÅȱµã¡£
ÓÃÐ麯ÊýʵÏÖTemplate MethodµÄ·½Ê½¾Í²»¶à˵ÁË¡£Ó÷ºÐ͵ķ½Ê½ÊµÏÖ¶à̬ÔÚATLÀïÃæÓдóÁ¿µÄÓõ½£¡
·ºÐ͵ ......
http://www.edn.com/article/457428-Can_C_beat_RTL_.php
With the appearance of higher speeds and more DSP macrocells in low-cost FPGAs, more and more design teams are seeing the configurable chips not as glue but as a way to accelerate the inner loops of numerical algorithms, either in conjun ......
ÔÚ´Ëժ¼C±àÒëʱ³öÏֵľ¯¸æÐÅÏ¢µÄÒâÒå¡£
1) warning: ISO C90 forbids mixed declarations and code
CÓïÑÔÊÇÃæÏò¹ý³ÌµÄÓïÑÔ£¬Õâ¸ö¾¯¸æÍ¨³£±íʾÉùÃ÷Ó¦¸ÃÔÚÆäËû´úÂëµÄÇ°Ãæ¡£
2) warning: initialization from incompatible pointer type
ÔÚLinux kernelÖÐÓÐÐí¶àcallbackº¯Êý£¬Õâ¸ö¾¯¸æ±íÃ÷callbackº¯ÊýµÄʵÏÖÖУ¬»òÕß·µ ......
Ò». ÔÚcÖзÖΪÕ⼸¸ö´æ´¢Çø
1.Õ» - ÓɱàÒëÆ÷×Ô¶¯·ÖÅäÊÍ·Å
2.¶Ñ - Ò»°ãÓɳÌÐòÔ±·ÖÅäÊÍ·Å£¬Èô³ÌÐòÔ±²»ÊÍ·Å£¬³ÌÐò½áÊøÊ±¿ÉÄÜÓÉOS»ØÊÕ
3.È«¾ÖÇø£¨¾²Ì¬Çø£©£¬È«¾Ö±äÁ¿ºÍ¾²Ì¬±äÁ¿µÄ´æ´¢ÊÇ·ÅÔÚÒ»¿éµÄ£¬³õʼ»¯µÄÈ«¾Ö±äÁ¿ºÍ¾²Ì¬±äÁ¿ÔÚÒ»¿éÇøÓò£¬Î´³õʼ»¯µÄÈ«¾Ö±äÁ¿ºÍδ³õʼ»¯µÄ¾²Ì¬±äÁ¿ÔÚÏàÁÚµÄÁíÒ»¿éÇøÓò¡£- ³ÌÐò½áÊøÊÍ·Å
4.ÁíÍ ......