进程同步与互斥,实验报告和源代码。利用JAVA平台实验进程的互斥。-Process synchronization and mutual exclusion, laboratory reports and source code. JAVA platform, the use of mutually exclusive experimental process.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.005012s ]
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:0.099289s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000992s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001186s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001022s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003134s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000976s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004088s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.017103s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001598s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 53175 [ RunTime:0.016346s ]
