Re: [PATCH 16/18] tests/tcg: Use SIGKILL for timeout

[Richard Henderson]

On 1/19/23 08:04, Alex Bennée wrote:
> From: Richard Henderson <richard.henderson@linaro.org>
>
> linux-user blocks all signals while attempting to handle guest
> signals (e.g. ABRT), which means that the default TERM sent by timeout
> has no effect -- KILL instead.
>
> When a guest aborts (possible nios2 guest bug), sending SIGABRT to
> itself, I have caught one thread waiting in start_exclusive, and all
> of the others blocked in exclusive_idle. I look at that and think
> there's a bug in our start_exclusive locking, but I can't prove it.

I don't think this bit of the cover letter is helpful here.
It was just the sigprocmask in process_pending_signals that
was relevant.

Anyway...


> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> Message-Id: <20230117035701.168514-2-richard.henderson@linaro.org>
> [AJB: expanded commit message from cover letter]
> Signed-off-by: Alex Bennée <alex.bennee@linaro.org>