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[PATCH v2 0/2] silent fork retry with shm (broke emacs-X11)
- From: Michael Haubenwallner <michael dot haubenwallner at ssi-schaefer dot com>
- To: cygwin-patches at cygwin dot com
- Cc: michael dot haubenwallner at ssi-schaefer dot com
- Date: Wed, 31 Jul 2019 12:35:29 +0200
- Subject: [PATCH v2 0/2] silent fork retry with shm (broke emacs-X11)
- References: <20190730160754.GZ11632@calimero.vinschen.de>
On 7/30/19 6:07 PM, Corinna Vinschen wrote:
> Hi Michael,
> On Jul 30 17:22, Michael Haubenwallner wrote:
>> following up
>> It turns out that fixup_shms_after_fork does require the child pinfo to
>> be "remember"ed, while the fork retry to be silent on failure requires
>> the child to not be "attach"ed yet.
>> As current pinfo.remember performs both "remember" and "attach" at once,
>> the first patch does introduce pinfo.remember_without_attach, to not
>> change current behaviour of pinfo.remember and keep patches small.
>> However, my first thought was to clean up pinfo API a little and have
>> remember not do both "remember+attach" at once, but introduce some new
>> remember_and_attach method instead. But then, when 'bool detach' is
>> true, the "_and_attach" does feel wrong.
> I'd prefer to drop the reattach call from remember, calling both of them
> where appropriate.
Fine with me, even if that looks a little more complicated for spawn.