Lock based synchronization and Lock free synchronization

Lock based synchronization provides the following problems
1.Deadlock

2.LiveLock

3.Priority Inversions

4.Caravan Formation

To avoid these problems, we are going for lock free synchronization. AsynchronousProgramming is a typical technique for achieving lock free synchronization.

Example: Android Stagefright is having lock based synchronization mechanism

PV's OpenCORE is having lock free synchronization mechanism