git: openjdk/jdk17u-dev: 8292695: SIGQUIT and jcmd attaching mechanism does not work with signal chaining library

[Goetz Lindenmaier]

Changeset: ff14ed4a
Author:    Goetz Lindenmaier <goetz at openjdk.org>
Date:      2022-11-03 14:20:01 +0000
URL:       https://git.openjdk.org/jdk17u-dev/commit/ff14ed4af37e465b928e55af220dbb287f6d2bc0

8292695: SIGQUIT and jcmd attaching mechanism does not work with signal chaining library
8283337: Posix signal handler modification warning triggering incorrectly

Reviewed-by: manc, mdoerr
Backport-of: 45ff10cc68296c7c73d0eafe6fcc9946ab98267e

! src/hotspot/os/posix/signals_posix.cpp
! src/hotspot/os/windows/os_windows.cpp
! src/hotspot/share/runtime/os.cpp
+ test/hotspot/jtreg/runtime/Thread/TestBreakSignalThreadDump.java