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Re: Hanging conftest

From: Siddhesh Poyarekar
Subject: Re: Hanging conftest
Date: Wed, 4 Dec 2013 09:01:45 +0530
User-agent: Mutt/1.5.21 (2010-09-15)

On Tue, Dec 03, 2013 at 10:08:04AM -0700, Eric Blake wrote:
> Michal complained that setting MALLOC_CHECK_ for the entire configure
> slowed things down.

That's funny because...

>  #endif
> +#ifdef M_CHECK_ACTION
> +            mallopt(M_CHECK_ACTION, 2);
> +#endif
> +

... this should have the same effect as MALLOC_CHECK_, i.e. it should
enable the extra checking and slow things down in the same manner as
MALLOC_CHECK_.  However, it looks like we don't do __malloc_check_init
for M_CHECK_ACTION, which is what initializes the additional checks.
Does anyone know if it is intentional?  It looks like a bug to me.


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