hg: build-infra/jdk8/langtools: Improve heuristics and debug messages and fix deadlock bug.

[fredrik.ohrstrom at oracle.com]

Changeset: e6618e3498f9
Author:    ohrstrom
Date:      2012-11-02 11:41 +0100
URL:       http://hg.openjdk.java.net/build-infra/jdk8/langtools/rev/e6618e3498f9

Improve heuristics and debug messages and fix deadlock bug.

! src/share/classes/com/sun/tools/sjavac/CompileJavaPackages.java
! src/share/classes/com/sun/tools/sjavac/JavacState.java
! src/share/classes/com/sun/tools/sjavac/comp/SmartFileObject.java
! src/share/classes/com/sun/tools/sjavac/server/CompilerPool.java
! src/share/classes/com/sun/tools/sjavac/server/JavacServer.java
! src/share/classes/com/sun/tools/sjavac/server/PortFile.java