目录 Preface 1. An Introduction to Device Drivers The Role of the Device Driver Splitting the Kernel Classes of Devices and Modules Security Issues Version Numbering License Terms Joining the Kernel Development Community Overview of the Book 2. Building and Running Modules Setting Up Your Test System The Hello World Module Kernel Modules Versus Applications Compiling and Loading The Kernel Symbol Table Preliminaries Initialization and Shutdown Module Parameters Doing It in User Space Quick Reference 3. Char Drivers The Design of scull Major and Minor Numbers Some Important Data Structures Char Device Registration open and release scull's Memory Usage read and write Playing with the New Devices Quick Reference 4. Debugging Techniques Debugging Support in the Kernel Debugging by Printing Debugging by Querying Debugging by Watching Debugging System Faults Debuggers and Related Tools 5. Concurrency and Race Conditions Pitfalls in scull Concurrency and Its Management Semaphores and Mutexes Completions Spinlocks Locking Traps Alternatives to Locking Quick Reference 6. Advanced Char Driver Operations ioctl Blocking I/O
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