用高级语言编写和调试一个进程调度程序，以加深对进程的概念及进程调度算法的理解。-High-level language by writing and debugging a process scheduler in order to deepen their understanding of the concept of the process and understanding the process of scheduling algorithm.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001161s ]
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:0.067258s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001011s ]
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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:0.003421s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000729s ]
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SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001206s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 177954 [ RunTime:0.015482s ]
