From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andy Wingo <wingo@igalia.com>
Subject: Re: =?utf-8?Q?=E2=80=98guix_publish=E2=80=99?= now compresses archives
Date: Thu, 21 Jul 2016 12:12:08 +0200
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In-Reply-To: <878twytwlp.fsf@gnu.org> ("Ludovic =?utf-8?Q?Court=C3=A8s=22'?=
	=?utf-8?Q?s?= message of "Tue, 19 Jul 2016 00:22:42 +0200")
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To: Ludovic =?utf-8?Q?Court=C3=A8s?= <ludo@gnu.org>
Cc: guix-devel <guix-devel@gnu.org>

On Tue 19 Jul 2016 00:22, ludo@gnu.org (Ludovic Court=C3=A8s) writes:

> To recap, the difficulty with all this is that we couldn=E2=80=99t just c=
all out
> the =E2=80=98gzip=E2=80=99 command because =E2=80=98guix publish=E2=80=99=
 uses threads, and threads and
> fork(2) don=E2=80=99t go together well.

FWIW open-pipe or open-process from (ice-9 popen) should work reliably.
The child is carefully written to be async-signal-safe before the
execve().

Andy