From: Rich Felker <dalias@libc.org>
To: Dominic Chen <d.c.ddcc@gmail.com>
Cc: fweimer@redhat.com, musl@lists.openwall.com
Subject: Re: [musl] Incorrect thread TID caching
Date: Wed, 3 Feb 2021 17:55:18 -0500 [thread overview]
Message-ID: <20210203225518.GY23432@brightrain.aerifal.cx> (raw)
In-Reply-To: <c737d8b1-f521-e10d-c6fc-f06c284bf621@gmail.com>
On Wed, Feb 03, 2021 at 05:30:01PM -0500, Dominic Chen wrote:
>
> On 2/3/2021 4:01 PM, Rich Felker wrote:
> >OK, raise should probably just be changed here to work even in vforked
> >child since it seems plausible someone will use it there. It's not
> >like saving the syscall actually matters here. But that's independent
> >of the clone() issue.
>
> Sounds good, thanks!
Hm, looking at how to do this now, and if clone is going to behave
like _Fork, it needs to be able to run code in the child (to restore
the signals is masked, etc.), which means it needs to wrap the child
function passed to it. I think this is doable, but it's not entirely
trivial.
Rich
next prev parent reply other threads:[~2021-02-03 22:55 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-03 4:04 Dominic Chen
2021-02-03 7:16 ` Florian Weimer
2021-02-03 19:21 ` Rich Felker
2021-02-03 20:21 ` Dominic Chen
2021-02-03 21:01 ` Rich Felker
2021-02-03 22:30 ` Dominic Chen
2021-02-03 22:55 ` Rich Felker [this message]
2021-02-15 16:56 ` Rich Felker
2021-02-17 19:49 ` Dominic Chen
2021-02-17 20:11 ` Rich Felker
2021-02-17 21:07 ` Rich Felker
2021-03-12 21:14 ` Dominic Chen
2021-02-04 3:28 ` Carlos O'Donell
2021-02-04 4:22 ` Dominic Chen
2021-02-04 16:15 ` Rich Felker
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