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Message-ID: <20250321223944.GK1827@brightrain.aerifal.cx>
Date: Fri, 21 Mar 2025 18:39:44 -0400
From: Rich Felker <dalias@...c.org>
To: Leah Neukirchen <leah@...u.org>
Cc: MouriNaruto <mourinaruto@...il.com>, musl@...ts.openwall.com,
MouriNaruto <Kenji.Mouri@...look.com>
Subject: Re: [PATCH] workaround the issue that pthread_getattr_np
won't return in FreeBSD Linuxulator
On Fri, Mar 21, 2025 at 11:27:53PM +0100, Leah Neukirchen wrote:
> Rich Felker <dalias@...c.org> writes:
>
> > only tell if it's currently paged in, not if it's mapped. There's
> > procfs which could be used if mounted, but that's more of a pain to
> > work with and not always present, and I'm not sure it would help on
> > FreeBSD anyway.
>
> FreeBSD took precautions to make "linprocfs" work in such a way that
> glibc parses it properly:
> https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=253337
I think this is promising that they might also fix mremap so that musl
can interpret it properly.
As for procfs, does that include /proc/self/maps? That's what we'd
have to parse, and I'm not even sure how rigorously safe it is to
parse... so I'd rather not go there.
Rich
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