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Re: kern/49017: vfork does not suspend all threads
The following reply was made to PR kern/49017; it has been noted by GNATS.
From: Martin Husemann <martin%duskware.de@localhost>
Subject: Re: kern/49017: vfork does not suspend all threads
Date: Wed, 5 Apr 2017 21:17:17 +0200
On Wed, Apr 05, 2017 at 06:45:01PM +0000, Nico Williams wrote:
> There are several ways to use vfork() to spawn children in a high-performance
> - First, obviously, in posix_spawn().
At leaset in NetBSD posix_spawn() is completely unrelated to vfork().
Noone is suggesting to stop any thread in a process doing posix_spawn().
Using vfork() in a program with multiple active threads is madness,
posix_spawn() is the only sensible way.
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