All programming tasks carry the potential for error. Aside from standard errors of syntax or logic, however, applications that access hardware may encounter specific types of errors that are outside the experience of many application developers.
This chapter covers some of the errors you might see while developing an application that uses the I/O Kit to access hardware on a Mac OS X system. It describes how to “read” the I/O Kit’s error codes and then provides some information on the exclusive-access error.
Interpreting I/O Kit Error Return Values
Handling Exclusive-Access Errors
Last updated: 2007-02-08