应用背景
一个小型的多任务的操作系统的实现，用于学习，多任务调度与管理，使用标准c语言开发。
关键技术一个小型的多任务的操作系统的实现，用于学习，多任务调度与管理，使用标准c语言开发。一个真正微型操作系统,比uCOS更小,只支持16个任务,但速度更快,所占资源更少。a real micro-operating system, even smaller than for uCOS, which only supports 16 missions, but even faster. share with fewer resources.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001078s ]
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:0.069887s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001213s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001129s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001084s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003097s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000895s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003559s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015914s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001142s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 229236 [ RunTime:0.013607s ]
