linux 下c语言 多线程实例 ，能让读者对在linux下用C编写多线程有个切实理解。-Under the multi-threaded linux c language example, allows readers to write in linux under multiple threads with C have a practical understanding.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001721s ]
SELECT `a`.`aid`,`a`.`title`,`a`.`create_time`,`m`.`username` FROM `jrk_downrecords` `a` INNER JOIN `jrk_member` `m` ON `a`.`uid`=`m`.`id` WHERE `a`.`status` = 1 GROUP BY `a`.`aid` ORDER BY `a`.`create_time` DESC LIMIT 10 [ RunTime:0.079569s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001193s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001125s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001004s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003115s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000869s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003715s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015324s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001108s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 107874 [ RunTime:0.016464s ]
