Linux网络编程。主要实现共享资源问题。通过lock()函数实现锁定，unlock()实现解锁,以避免造成临界资源的死锁问题。-Linux Network Programming. The main problem to achieve a shared resource. Through the lock () function to achieve lock, unlock () Unlock realize in order to avoid deadlock caused by the issue of critical resources.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001850s ]
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:0.084385s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002414s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002284s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003482s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002107s ]
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SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002288s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 211792 [ RunTime:0.001109s ]
