关于DeviceIoControl实现异步的笔记

左手的ㄟ右手 2022-06-16 02:07 143阅读 0赞

链接地址 ： http://yexin218.iteye.com/blog/638445

一直所做的都是同步实现的。当然很多情况这并不是很好的解决问题。现在手上的问题是：用户层通知底层驱动(Filter Driver)做某件事，然后返回该事件执行的结果。如果该事件是一件简单的事情，这里是指极短时间内可以完成的，那么在允许范围内，我们可以用同步来完成。但是如果该事件是一件耗时的工作，而应用程序不能一直在等着该事件的完成信号，况且好像DeviceIoControl有时间限制的(?)。这就需要用异步的方式来解决问题：例如：同事叫你去吃饭，你听到后，可以马上去，也可以等会再去，吃完后再回到Office就好了。

下面是参考资料：

1.  驱动和应用层的异步通信 [http://bbs.pediy.com/showthread.php?t=59015][http_bbs.pediy.com_showthread.php_t_59015]
2.  DeviceIoControl的异步问题[http://bbs.driverdevelop.com/read.php?tid-67288.html][http_bbs.driverdevelop.com_read.php_tid-67288.html]
3.  WaitForSingleObject的用法[http://hi.baidu.com/zouhaoo/blog/item/1e863851615e3b858d54306c.html][http_hi.baidu.com_zouhaoo_blog_item_1e863851615e3b858d54306c.html]
4.  多线程中使用waitforsingleobject方法[http://www.360doc.com/content/09/0428/12/27287\_3299491.shtml][http_www.360doc.com_content_09_0428_12_27287_3299491.shtml]
5.  DeviceIoControl return code using Overlapped I/O [ http://www.osronline.com/showthread.cfm?link=167510][http_www.osronline.com_showthread.cfm_link_167510]
6.  应用层跟驱动异步通信的问题，irp该如何处理？[http://bbs.driverdevelop.com/read.php?tid-113399.html][http_bbs.driverdevelop.com_read.php_tid-113399.html] [ ][Link 1]
7.  DeviceIOControl and overlapped I/O problem [ http://forums.devshed.com/c-programming-42/deviceiocontrol-and-overlapped-i-o-problem-255708.html][http_forums.devshed.com_c-programming-42_deviceiocontrol-and-overlapped-i-o-problem-255708.html]
8.  [http://www.techtalkz.com/microsoft-device-drivers/295657-deviceiocontrol-overlapped.html][http_www.techtalkz.com_microsoft-device-drivers_295657-deviceiocontrol-overlapped.html]
9.  [DeviceIoControl and OVERLAPPED problem ][DeviceIoControl and OVERLAPPED problem]

[http_bbs.pediy.com_showthread.php_t_59015]: http://bbs.pediy.com/showthread.php?t=59015
[http_bbs.driverdevelop.com_read.php_tid-67288.html]: http://bbs.driverdevelop.com/read.php?tid-67288.html
[http_hi.baidu.com_zouhaoo_blog_item_1e863851615e3b858d54306c.html]: http://hi.baidu.com/zouhaoo/blog/item/1e863851615e3b858d54306c.html
[http_www.360doc.com_content_09_0428_12_27287_3299491.shtml]: http://www.360doc.com/content/09/0428/12/27287_3299491.shtml
[http_www.osronline.com_showthread.cfm_link_167510]: http://www.osronline.com/showthread.cfm?link=167510
[http_bbs.driverdevelop.com_read.php_tid-113399.html]: http://bbs.driverdevelop.com/read.php?tid-113399.html
[Link 1]: http://bbs.driverdevelop.com/read.php?tid=113399&ordertype=desc&skinco=wind
[http_forums.devshed.com_c-programming-42_deviceiocontrol-and-overlapped-i-o-problem-255708.html]: http://forums.devshed.com/c-programming-42/deviceiocontrol-and-overlapped-i-o-problem-255708.html
[http_www.techtalkz.com_microsoft-device-drivers_295657-deviceiocontrol-overlapped.html]: http://www.techtalkz.com/microsoft-device-drivers/295657-deviceiocontrol-overlapped.html
[DeviceIoControl and OVERLAPPED problem]: http://www.codeguru.com/forum/showthread.php?t=120419