This project shows how to use the IOKit notification mechanism to register to be notified when devices come and go. It uses the Cypress/Anchor EZ-USB chip. (Look at the following example for another way to get notified when a device is unplugged).
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001689s ]
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:0.089088s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001104s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001430s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001449s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003627s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001033s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004105s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014003s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001077s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 397534 [ RunTime:0.012570s ]
