hg: jdk8u/jdk8u-jfr-incubator/hotspot: 8183925: Decouple crash protection from watcher thread

[denghui.ddh at alibaba-inc.com]

Changeset: 4904bded9702
Author:    rehn
Date:      2020-02-04 11:16 +0800
URL:       https://hg.openjdk.java.net/jdk8u/jdk8u-jfr-incubator/hotspot/rev/4904bded9702

8183925: Decouple crash protection from watcher thread
Reviewed-by: dcubed, coleenp

! src/os/posix/vm/os_posix.cpp
! src/os/posix/vm/os_posix.hpp
! src/os/windows/vm/os_windows.cpp
! src/os/windows/vm/os_windows.hpp
! src/os_cpu/bsd_x86/vm/os_bsd_x86.cpp
! src/os_cpu/linux_sparc/vm/os_linux_sparc.cpp
! src/os_cpu/linux_x86/vm/os_linux_x86.cpp
! src/os_cpu/solaris_sparc/vm/os_solaris_sparc.cpp
! src/os_cpu/solaris_x86/vm/os_solaris_x86.cpp
! src/share/vm/runtime/mutex.cpp
! src/share/vm/runtime/os.cpp
! src/share/vm/runtime/thread.cpp
! src/share/vm/runtime/thread.hpp