hg: jdk/sandbox: 3 new changesets

[chris.hegarty at oracle.com]

Changeset: d6a422987d86
Author:    mseledtsov
Date:      2019-08-22 10:35 -0700
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/d6a422987d86

8226779: [TESTBUG] Test JFR API from Java agent
Summary: Created new tests for JFR plus Java Agent
Reviewed-by: egahlin

+ test/jdk/jdk/jfr/javaagent/EventEmitterAgent.java
+ test/jdk/jdk/jfr/javaagent/JavaAgentBuilder.java
+ test/jdk/jdk/jfr/javaagent/TestLoadedAgent.java
+ test/jdk/jdk/jfr/javaagent/TestPremainAgent.java

Changeset: 3bc26ffdf001
Author:    lmesnik
Date:      2019-08-22 10:40 -0700
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/3bc26ffdf001

8229957: Harden pid verification in attach mechanism
Reviewed-by: sspitsyn, ysuenaga, sgehwolf

! src/jdk.attach/aix/classes/sun/tools/attach/VirtualMachineImpl.java
! src/jdk.attach/linux/classes/sun/tools/attach/VirtualMachineImpl.java
! src/jdk.attach/macosx/classes/sun/tools/attach/VirtualMachineImpl.java
! src/jdk.attach/solaris/classes/sun/tools/attach/VirtualMachineImpl.java
+ test/hotspot/jtreg/serviceability/attach/AttachNegativePidTest.java

Changeset: db6829c1cc3a
Author:    lmesnik
Date:      2019-08-22 10:41 -0700
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/db6829c1cc3a

Merge