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bug#11080: 24.0.94; Assertion failure in signal handler
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From: |
Andreas Schwab |
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Subject: |
bug#11080: 24.0.94; Assertion failure in signal handler |
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Date: |
Sat, 24 Mar 2012 10:39:49 +0100 |
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User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.0.94 (gnu/linux) |
Eli Zaretskii <eliz@gnu.org> writes:
>> From: Andreas Schwab <schwab@linux-m68k.org>
>> Date: Sat, 24 Mar 2012 09:39:46 +0100
>>
>> > eval.c:3403: Emacs fatal error: assertion failed: !handling_signal
>>
>> I think handling_signal should only be incremented in XTread_socket if
>> !SYNC_INPUT. With SYNC_INPUT (which is the default) the SIGIO handler
>> doesn't actually call read_avail_input.
>
> Perhaps we should turn the table and ask why do we even have that
> eassert inside record_unwind_protect?
Doing anything non-trivial in a signal handler is a *BIG* no-no, so this
place is as good as anything.
Andreas.
--
Andreas Schwab, schwab@linux-m68k.org
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