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From: Eli Zaretskii <eliz@gnu.org>
To: Philipp Stephani <p.stephani2@gmail.com>
Cc: ueno@gnu.org, emacs-devel@gnu.org
Subject: Re: Starting a subprocess in stopped state
Date: Sun, 07 May 2017 20:16:38 +0300	[thread overview]
Message-ID: <838tm8egeh.fsf@gnu.org> (raw)
In-Reply-To: <CAArVCkSSu_uOvCap_ADGjo4ODNUveqa3c3Nb-5xOtqQoxZJnag@mail.gmail.com> (message from Philipp Stephani on Sun, 07 May 2017 12:24:33 +0000)

> From: Philipp Stephani <p.stephani2@gmail.com>
> Date: Sun, 07 May 2017 12:24:33 +0000
> Cc: Daiki Ueno <ueno@gnu.org>
> 
>  Is there a way to create a process on Unix and GNU systems, but
>  prevent it from running until it gets SIGCONT or something similar?
> 
> It's at least theoretically possible on macOS using posix_spawn(3) and
> POSIX_SPAWN_START_SUSPENDED
> (https://developer.apple.com/legacy/library/documentation/Darwin/Reference/ManPages/man3/posix_spawnattr_setflags.3.html).
> I don't think it's possible using fork/exec (but then, switching to posix_spawn might be a good idea anyway). 

Thanks.  However, since this an Apple extension, I don't think we can
use it unless there's an equivalent feature on other Unix and GNU
systems.



  reply	other threads:[~2017-05-07 17:16 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-05-02 19:04 Starting a subprocess in stopped state Eli Zaretskii
2017-05-05  7:29 ` Eli Zaretskii
2017-05-06  5:42   ` Thien-Thi Nguyen
2017-05-06  7:58     ` Eli Zaretskii
2017-05-07 12:24       ` Philipp Stephani
2017-05-07 17:16         ` Eli Zaretskii [this message]
2017-05-07 17:25       ` Paul Eggert
2017-05-07 17:57         ` Eli Zaretskii
2017-05-07 18:05         ` Andreas Schwab
2017-05-08 16:41       ` Davis Herring
2017-05-08 16:46         ` Eli Zaretskii

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