From: Rich Felker <dalias@libc.org>
To: "musl@lists.openwall.com" <musl@lists.openwall.com>
Subject: Re: Feature request: building musl in a portable way
Date: Fri, 22 Dec 2017 13:08:32 -0500 [thread overview]
Message-ID: <20171222180832.GD1627@brightrain.aerifal.cx> (raw)
In-Reply-To: <VI1PR0502MB38856793F3F8C2500517A821E7020@VI1PR0502MB3885.eurprd05.prod.outlook.com>
On Fri, Dec 22, 2017 at 06:01:35PM +0000, Nicholas Wilson wrote:
> On 22 December 2017 17:49, Rich Felker wrote:
> > A bit of a historical note on this: in the late 80s and 90s there was
> > an effort called "iBCS" to make a unified ABI for Intel-based unices.
> > I believe a common syscall layer was part of it. It was abandoned
> > after everybody realized that the Linux syscall ABI _was_, for all
> > practical purposes, the unified ABI they wanted.
>
> That's pretty much where WebAssembly is going too! At the moment,
> the WebAssembly "embedding environment" (the webpage) has to provide
> a JavaScript implementation of the external dependencies of the
> WebAssembly module.
>
> There is a desire to eventually standardise that a bit - at the
> moment it's "whatever Musl wants". I think the conclusion will be
> "emulate Linux everywhere". I'm expecting some small tweaks though.
> For example, traditionally timezone information is stored in
> userland and not available via a syscall: rather than special-case
> SYS_open for "/etc/localtime", we might add a Wasm-specific syscall
> for doing it. (Naturally, this would all be done in Wasm via an
> override in a Wasm-specific directory.)
Wouldn't just exporting a TZ variable be easier?
Rich
next prev parent reply other threads:[~2017-12-22 18:08 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-21 16:25 ardi
2017-12-21 21:38 ` Rich Felker
2017-12-22 16:09 ` ardi
2017-12-22 16:43 ` Rich Felker
2017-12-22 19:04 ` ardi
2017-12-23 8:18 ` Markus Wichmann
2017-12-23 20:57 ` ardi
2017-12-22 17:10 ` Nicholas Wilson
2017-12-22 17:49 ` Rich Felker
2017-12-22 18:01 ` Nicholas Wilson
2017-12-22 18:08 ` Rich Felker [this message]
2017-12-22 19:06 ` Nicholas Wilson
2017-12-22 19:27 ` ardi
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