signal11/hidapi — pull request #44 by partylemon (2012-03-08 03:43:52+00:00)
Title: Windows: Retry open_device if it fails with ERROR_ACCESS_DENIED

Windows opens system mice/keyboards for exclusive access. They can still be sent feature reports, but neither read nor write access can be requested when the handle is opened.

* http://msdn.microsoft.com/en-us/library/ff543477.aspx
* http://www.lvr.com/hidfaq.htm