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Re: Dynamic modules: MODULE_HANDLE_SIGNALS etc.
From: |
Daniel Colascione |
Subject: |
Re: Dynamic modules: MODULE_HANDLE_SIGNALS etc. |
Date: |
Mon, 4 Jan 2016 07:28:07 -0800 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.4.0 |
On 01/04/2016 07:24 AM, Eli Zaretskii wrote:
>> From: Daniel Colascione <address@hidden>
>> Date: Sun, 3 Jan 2016 13:12:29 -0800
>>
>>> I think something along that lines would suffice, yes. Admittedly I
>>> didn't quite follow what you wrote (perhaps some text got elided?). But
>>> the main point, as I understand it, is that we needn't worry about
>>> having a stack-overflow check inside the stack-overflow handler, because
>>> we can insist that the stack-overflow handler be tightly-enough
>>> controlled so that it won't recurse indefinitely.
>>
>> Yes: do as little as possible in the segfault handler and signal an
>> error the normal way at the next safe opportunity, if one arises before
>> we fully exhaust the stack.
>
> You cannot do that when the stack is exhausted. You will almost
> certainly crash if you try.
That's why we have the alternate signal stack.
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- Re: Dynamic modules: MODULE_HANDLE_SIGNALS etc., (continued)
- Re: Dynamic modules: MODULE_HANDLE_SIGNALS etc., Eli Zaretskii, 2016/01/04
- Re: Dynamic modules: MODULE_HANDLE_SIGNALS etc., Daniel Colascione, 2016/01/04
- Re: Dynamic modules: MODULE_HANDLE_SIGNALS etc., Eli Zaretskii, 2016/01/04
- Re: Dynamic modules: MODULE_HANDLE_SIGNALS etc., John Wiegley, 2016/01/04
- Re: Dynamic modules: MODULE_HANDLE_SIGNALS etc., Daniel Colascione, 2016/01/04
- Re: Dynamic modules: MODULE_HANDLE_SIGNALS etc., Daniel Colascione, 2016/01/04
- Re: Dynamic modules: MODULE_HANDLE_SIGNALS etc., John Wiegley, 2016/01/04
- Re: Dynamic modules: MODULE_HANDLE_SIGNALS etc., Eli Zaretskii, 2016/01/04
- Re: Dynamic modules: MODULE_HANDLE_SIGNALS etc.,
Daniel Colascione <=
- Re: Dynamic modules: MODULE_HANDLE_SIGNALS etc., Eli Zaretskii, 2016/01/04
Re: Dynamic modules: MODULE_HANDLE_SIGNALS etc., Eli Zaretskii, 2016/01/03
- Re: Dynamic modules: MODULE_HANDLE_SIGNALS etc., Daniel Colascione, 2016/01/03
- Re: Dynamic modules: MODULE_HANDLE_SIGNALS etc., Eli Zaretskii, 2016/01/03
- Re: Dynamic modules: MODULE_HANDLE_SIGNALS etc., Daniel Colascione, 2016/01/03
- Re: Dynamic modules: MODULE_HANDLE_SIGNALS etc., Eli Zaretskii, 2016/01/03
- Re: Dynamic modules: MODULE_HANDLE_SIGNALS etc., Daniel Colascione, 2016/01/03
- Re: Dynamic modules: MODULE_HANDLE_SIGNALS etc., Eli Zaretskii, 2016/01/03
- Re: Dynamic modules: MODULE_HANDLE_SIGNALS etc., Daniel Colascione, 2016/01/03
- Re: Dynamic modules: MODULE_HANDLE_SIGNALS etc., Eli Zaretskii, 2016/01/03