From: Johannes Sixt <j6t@kdbg.org>
Date: Thu, 27 Oct 2016 06:29:34 GMT
Subject: Re: [PATCH] compat: Allow static initializer for pthreads on Windows
Message-ID: <b5084894-0f1e-2a32-79fb-74ce977b3a92@kdbg.org>
In-Reply-To: <xmqqh97y8g74.fsf@gitster.mtv.corp.google.com>

Am 27.10.2016 um 08:21 schrieb Junio C Hamano:
> Johannes Sixt <j6t@kdbg.org> writes:
>
>>> As many codepaths may not even need access to the attributes, I
>>> doubt that would be a very productive direction to go.
>>
>> So, what is productive then? Pessimizing one (not exactly minor) platform?
>
> Lazy on-demand initialization as needed, perhaps?  The on-demand
> initialization mechanism may become no-op on some platforms that can
> do static initialization.

This is the pessimization that I am talking about. I would not mind at 
all if it were only for the attribute subsystem, but the proposed patch 
would pessimize *all* uses of pthread_mutex_lock.

-- Hannes