模拟操作系统里实现读者－写者问题的程序实例。用vc++编写，直接打开工程文件即可调试。-operating system simulation, achieving readers- who wrote the program examples. Vc with the preparation, direct project documents can be opened debugging.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001250s ]
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:0.090551s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001189s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001974s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001228s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003747s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001021s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003482s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015825s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001295s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 57689 [ RunTime:0.001373s ]
