基于dos的多任务系统的实现 通过对线程的创建和撤销,cpu的调度,同步机制,通信机制的实现.-based multi-tasking system of the threads through the creation and withdrawn, cpu scheduling, synchronization mechanisms, communication mechanisms to achieve.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.009405s ]
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:0.101262s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001038s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001164s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000966s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003055s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000860s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003626s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014415s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001016s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 71877 [ RunTime:0.011744s ]
