进程同步,哲学家进餐共享临界区变量.定义信号量机制控制进程不互斥!-process synchronization, philosopher dining area share critical variables. Definition signal to the process control mechanism not contradict!
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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:0.089569s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001225s ]
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SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001105s ]
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SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001866s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 213019 [ RunTime:0.001653s ]
