[jdk17u-dev] RFR: 8284331: Add sanity check for signal handler modification warning.

Mon May 8 21:32:37 UTC 2023

Hi all,

This pull request contains a backport of [JDK-8284331](https://bugs.openjdk.java.net/browse/JDK-8284331), commit [116763cb](https://github.com/openjdk/jdk/commit/116763cb5d58a7316b7bada689a0fa34a7250ee7) from the [openjdk/jdk](https://git.openjdk.org/jdk) repository.

The commit being backported was authored by Kevin Walls on 29 Apr 2022 and was reviewed by David Holmes and Alex Menkov.

Thanks!

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Commit messages:
 - Backport 116763cb5d58a7316b7bada689a0fa34a7250ee7

Changes: https://git.openjdk.org/jdk17u-dev/pull/1336/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=1336&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8284331
  Stats: 20 lines in 1 file changed: 19 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/1336.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/1336/head:pull/1336

PR: https://git.openjdk.org/jdk17u-dev/pull/1336