使用 STL 做的windows 下的线程池，半同步/半异步模型，当线程没有使用时被suspend。-STL use under windows to do the thread pool, semi-synchronous/semi-asynchronous model, when the thread was not using suspend.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001208s ]
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:0.084920s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001137s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001785s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001125s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003544s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001030s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003121s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014349s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001184s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 318112 [ RunTime:0.001403s ]
