hg: jdk/sandbox: 8227435: Perf::attach() should not throw a java.lang.Exception

[chris.hegarty at oracle.com]

Changeset: 9cfb9387a9e8
Author:    rschmelter
Date:      2019-07-18 10:25 +0200
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/9cfb9387a9e8

8227435: Perf::attach() should not throw a java.lang.Exception
Reviewed-by: sspitsyn, clanger, dholmes

! src/hotspot/os/aix/perfMemory_aix.cpp
! src/hotspot/os/bsd/perfMemory_bsd.cpp
! src/hotspot/os/linux/perfMemory_linux.cpp
! src/hotspot/os/solaris/perfMemory_solaris.cpp
! src/hotspot/os/windows/perfMemory_windows.cpp