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From: Richard Henderson <rth@twiddle.net>
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Date: Thu, 28 Feb 2019 09:39:08 -0800
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Subject: Re: [Qemu-devel] [PATCH RFC 2/2] tests/tcg: target/s390: Add test
 for VECTOR LOAD GR FROM VR ELEMENT
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To: David Hildenbrand <david@redhat.com>, qemu-devel@nongnu.org
Cc: qemu-s390x@nongnu.org, Thomas Huth <thuth@redhat.com>, Cornelia Huck <cohuck@redhat.com>, =?UTF-8?Q?Alex_Benn=c3=a9e?= <alex.bennee@linaro.org>, =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= <f4bug@amsat.org>

On 2/27/19 11:14 PM, David Hildenbrand wrote:
> I guess signal + sigsetjmp/siglongjmp is the one with the smalles LOC?
> Will give it a try.

I suppose it depends on how you write it.

    struct sigaction sa = {
        .sa_mask = SA_RESETHAND | SA_NODEFER,
        .sa_handler = sig_sigill,
    };
    check("SIGILL not registered", sigaction(SIGILL, &sa, NULL) == 0);

is 5 lines to the 6 you currently use for registering and unregistering the
signal handler.  ;-)


r~