在Linux/Unix平台下,用C语言编写一个进程通信的程序,理解fork()等一些系列系统函数的正确使用和工作原理,学会设计基本的进程通信程序。-in Linux/Unix platform using C language of a process of communication procedures, understanding fork () and some other family functions and the use of the correct principle, learn the basic process design communication program.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002975s ]
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:0.100591s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002727s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002333s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002596s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.005468s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002868s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.008273s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.026126s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.003086s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 144742 [ RunTime:0.001309s ]