RFR: JDK-8252533: Signal handlers should run with synchronous error signals unblocked

[Thomas Stuefe]

On Thu, 29 Oct 2020 06:46:12 GMT, Thomas Stuefe <stuefe at openjdk.org> wrote:

> Hi Thomas,
> 
.....
> 
> Aside: I also noticed the SR_sigset is unused, so unclear if we have a bug lurking in PosixSignals::SR_initialize. There is some commentary about the blocked/unblocked status of SR_signum that also seems wrong.

I find the code in SR_initialize strange and very probably broken. I created https://bugs.openjdk.java.net/browse/JDK-8255577 to keep track of this. Its on my name but if you'd like to take this on be my guest.

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PR: https://git.openjdk.java.net/jdk/pull/839