hg: dio/dev: 8049504: Native crash when opening GPIO pin for input

[jen.dority at oracle.com]

Changeset: 5e30509e99d8
Author:    jld
Date:      2014-07-11 13:20 -0400
URL:       http://hg.openjdk.java.net/dio/dev/rev/5e30509e99d8

8049504: Native crash when opening GPIO pin for input
Summary: Fixed cached JNI local refs and several issues with event handling code
Reviewed-by: alkonsta

! src/se/classes/com/oracle/dio/gpio/impl/GPIOEventHandler.java
! src/se/classes/com/oracle/dio/gpio/impl/GPIOPinEventHandler.java
! src/se/classes/com/oracle/dio/impl/EventQueue.java
! src/se/native/com/oracle/dio/dio_common.cpp
! src/se/native/com/oracle/dio/dio_common.h
! src/se/native/com/oracle/dio/gpio/impl/jni_gpio.cpp
! src/share/linux/native/com/oracle/dio/gpio.c