[aarch64-port-dev ] git: openjdk/aarch64-port: master: 8253478: (se) epoll Selector should use eventfd for wakeup instead of pipe

[Brian Burkhalter]

Changeset: a8073efe
Author:    Brian Burkhalter <bpb at openjdk.org>
Date:      2021-01-21 21:36:19 +0000
URL:       https://git.openjdk.java.net/aarch64-port/commit/a8073efe

8253478: (se) epoll Selector should use eventfd for wakeup instead of pipe

Reviewed-by: alanb

! src/java.base/linux/classes/sun/nio/ch/EPollSelectorImpl.java
+ src/java.base/linux/classes/sun/nio/ch/EventFD.java
+ src/java.base/linux/native/libnio/ch/EventFD.c
+ test/micro/org/openjdk/bench/java/nio/SelectorWakeup.java