hg: jdk/submit: 8225690: Multiple AttachListener threads can be created

[yasuenag at gmail.com]

Changeset: 4d4e9931eb38
Author:    ysuenaga
Date:      2019-07-11 08:47 +0900
URL:       https://hg.openjdk.java.net/jdk/submit/rev/4d4e9931eb38

8225690: Multiple AttachListener threads can be created

! src/hotspot/os/aix/attachListener_aix.cpp
! src/hotspot/os/bsd/attachListener_bsd.cpp
! src/hotspot/os/linux/attachListener_linux.cpp
! src/hotspot/os/solaris/attachListener_solaris.cpp
! src/hotspot/os/windows/attachListener_windows.cpp
! src/hotspot/share/runtime/os.cpp
! src/hotspot/share/services/attachListener.cpp
! src/hotspot/share/services/attachListener.hpp
+ test/hotspot/jtreg/serviceability/attach/ConcAttachTest.java
+ test/hotspot/jtreg/serviceability/attach/RemovingUnixDomainSocketTest.java