• Who Should Read This Document

• Road Map

• Other Apple Publications

• Mach API Reference

• Information on the Web

• Darwin

• Architecture

• Kernel Extensions

• Security Implications of Paging

• Buffer Overflows and Invalid Input

• User Credentials

• Remote Authentication

• Temporary Files

• /dev/mem and /dev/kmem

• Key-based Authentication and Encryption

• Console Debugging

• Code Passing

• Interrupt Latency

• Locking Bottlenecks

• Code Profiling

• C++ Naming Conventions

• Standard C Naming Conventions

• Commonly Used Functions

• Performance and Stability Tips

• Style Summary

• Mach Kernel Abstractions

• Tasks and Threads

• Ports, Port Rights, Port Sets, and Port Namespaces

• Memory Management

• Interprocess Communication (IPC)

• Time Management

• Mac OS X VM Overview

• Memory Maps Explained

• Named Entries

• Universal Page Lists (UPLs)

• Using Mach Memory Maps

• Other VM and VM-Related Subsystems

• Address Spaces

• Allocating Memory in the Kernel

• Overview of Scheduling

• Why Did My Thread Priority Change?

• Using Mach Scheduling From User Applications

• Kernel Thread APIs

• How Contexts Affect Users

• How Contexts Affect Developers

• Redesigning the I/O Model

• I/O Kit Architecture

• For More Information

• BSD Facilities

• Differences between Mac OS X and BSD

• For Further Reading

• Working With the File System

• VFS Transition

• Security Considerations

• Choosing a Boundary Crossing Method

• Mach Messaging and Mach Interprocess Communication (IPC)

• BSD syscall API

• BSD ioctl API

• BSD sysctl API

• Memory Mapping and Block Copying

• Summary

• Semaphores

• Condition Variables

• Locks

• Using Kernel Time Abstractions

• Boot Option Handling

• Queues

• Installing Shutdown Hooks

• Implementation of a Kernel Extension (KEXT)

• Kernel Extension Dependencies

• Building and Testing Your Extension

• Debugging Your KEXT

• Installed KEXTs

• Adding New Files or Modules

• Building Your First Kernel

• Building an Alternate Kernel Configuration

• When Things Go Wrong: Debugging the Kernel

• Apple Mac OS X Publications

• General UNIX and Open Source Resources

• BSD and UNIX Internals

• Mach

• Networking

• Operating Systems

• POSIX

• Programming

• Websites and Online Resources

• Security and Cryptography