6815766: LinkedBlockingQueue's iterator can return null if drainTo(c) executes concurrently
Summary: Faster, more correct. Use self-linking trick to avoid gc retention
Reviewed-by: martin, dholmes

6493942: ConcurrentLinkedQueue.remove sometimes very slow
Summary: new algorithm for handling concurrent linked lists
Reviewed-by: martin

Reviewed-by: weijun

Reviewed-by: ohair

Reviewed-by: martin

Reviewed-by: mcimadamore

6863864: (fs) Path.createSymbolicLink doesn't set directory flag when creating sym link to directory (win)
Reviewed-by: sherman

Reviewed-by: vinnie

Summary: Optimize Surrogate.java
Reviewed-by: sherman

Summary: rearranging code saves 5 bytes of bytecode
Reviewed-by: sherman

Reviewed-by: jccollet

Summary: Initialize relevant return value to NULL
Reviewed-by: vinnie

Summary: Making demandLogger() non-synchronized resolves the deadlock.
Reviewed-by: dcubed

Reviewed-by: mullan

Reviewed-by: mullan

Reviewed-by: xuelei

Reviewed-by: valeriep

Reviewed-by: vinnie