December 2011
Intermediate to advanced
485 pages
15h 47m
English
Content preview from OS X and iOS Kernel Programming
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Implementing the IOSerialDriverSync Class
Serial drivers on Mac OS X must be derived from the IOSerialDriverSync class. The IOSerialDriverSync class is a pure abstract class that provides an interface that must be implemented by the serial driver. The methods that must be implemented by a serial driver are given in Listing 11-2.
Listing 11-2. The Interface of IOSerialDriverSync, Which Declares the Methods That Must Be Implemented by a Serial Port Driver
class IOSerialDriverSync : public IOService
{
OSDeclareAbstractStructors(IOSerialDriverSync);
public:
virtual IOReturn acquirePort(bool sleep, void *refCon) = 0;
virtual IOReturn releasePort(void *refCon) = 0;
virtual IOReturn setState(UInt32 state, UInt32 mask, ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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