XV6Synchronization.md

XV6 Source Code Reading -- Synchronization

Requirement

Code to read

• Locks
  • spinlock.h (p.15)
  • spinlock.c (p.15)

Resources

xchg

• XCHG — Exchange Register/Memory with Register
• X86組合語言/基本指令集/IA32指令:xchg

Implementation

implement semaphore using spinlock

implement readers-writer lock using spinlock

• Readers–writer lock - Implementation
• How would you implement your own reader/writer lock in C++11?