git: openjdk/jdk: 8252533: Signal handlers should run with synchronous error signals unblocked

[Thomas Stuefe]

Changeset: e7a2d5c8
Author:    Thomas Stuefe <stuefe at openjdk.org>
Date:      2020-11-03 07:16:45 +0000
URL:       https://github.com/openjdk/jdk/commit/e7a2d5c8

8252533: Signal handlers should run with synchronous error signals unblocked

Reviewed-by: gziemski, dholmes

! src/hotspot/os/posix/signals_posix.cpp
! src/hotspot/os/posix/signals_posix.hpp
! src/hotspot/os/posix/vmError_posix.cpp