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Re: master 2c79a8f 2/2: Use posix_spawn if possible.

From: Andreas Schwab
Subject: Re: master 2c79a8f 2/2: Use posix_spawn if possible.
Date: Sat, 02 Jan 2021 09:56:58 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/27.1.90 (gnu/linux)

On Jan 02 2021, Eli Zaretskii wrote:

>> From: Andy Moreton <andrewjmoreton@gmail.com>
>> Date: Sat, 02 Jan 2021 01:12:36 +0000
>> > posix_spawn is supposed to be significantly faster than fork/exec on
>> > macOS and Cygwin.
>> Thanks Alan, useful info. However Philipp started with Linux, so there
>> ought to also be something useful there that motivated these patches. I
>> would be interested to learn what helps on Linux.
> AFAIK, the speedup also happens on GNU/Linux.

Emacs already uses vfork, what else does posix_spawn give?  Nothing,


Andreas Schwab, schwab@linux-m68k.org
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