Re: [Qemu-devel] [PATCH for-3.0 ?] tests/libqtest: Improve kill_qemu() assert

[Peter Maydell <peter.maydell@linaro.org>]

On 20 July 2018 at 17:36, Richard Henderson
<richard.henderson@linaro.org> wrote:
> On 07/20/2018 09:25 AM, Peter Maydell wrote:
>> On 20 July 2018 at 17:14, Richard Henderson
>> <richard.henderson@linaro.org> wrote:
>>> You already print the file, just include the line.  Perhaps
>>>
>>>   fprintf(stderr,
>>>           "%s:%d: kill_qemu tried to terminate QEMU "
>>>           "process but it dumped core with signal %s\n",
>>>           __FILE__, __LINE__, strsignal(WTERMSIG(wstatus)));
>>>   abort();
>>
>> I wasn't convinced that strsignal() would be available
>> on all the host OSes we build on (we don't currently use
>> it outside linux-user/), and I definitely didn't think that
>> it merited a configure test for its presence just for a
>> test error message :-)
>
> Hmm.  It has been in _GNU_SOURCE since the dawn of time
> and in POSIX since 2008.
>
> For non-linux, I peeked at the OpenBSD man page, which says
>
>   The strsignal() function first appeared in AT&T System V
>   Release 4 UNIX and was reimplemented for NetBSD 1.0.
>
> That suggests all of the extant BSDs should have it.
>
> MinGW has had the function since 2008.
>
> What other hosts do we support?

OSX, but that's I think OK as it inherits it from BSD.
The configure script also has support for Solaris-variants
and Haiku...

thanks
-- PMM