hg: jdk8u/jdk8u-dev/hotspot: 8027434: "-XX:OnOutOfMemoryError" uses fork instead of vfork

[paul.hohensee at gmail.com]

Changeset: 97d605522fcb
Author:    phh
Date:      2019-02-25 21:38 +0000
URL:       http://hg.openjdk.java.net/jdk8u/jdk8u-dev/hotspot/rev/97d605522fcb

8027434: "-XX:OnOutOfMemoryError" uses fork instead of vfork
Summary: On Linux, use vfork in case of an OOM.
Reviewed-by: dholmes, iklam

! src/os/aix/vm/os_aix.cpp
! src/os/bsd/vm/os_bsd.cpp
! src/os/linux/vm/os_linux.cpp
! src/os/solaris/vm/os_solaris.cpp
! src/os/windows/vm/os_windows.cpp
! src/share/vm/runtime/os.hpp
! src/share/vm/utilities/vmError.cpp