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Date:	Mon, 19 Feb 2007 10:57:49 +0100
From:	Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Re: FW: Re: [emacs_user AT hotmail DOT com: ***MEMORY-ERROR***: emacs[5172]: GSlice: failed
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On Feb 19 10:02, Jan Dj?rv wrote:
> The code in question in glib looks like this:
> 
> static gpointer
> allocator_memalign (gsize alignment,
>                     gsize memsize)
> {
>   gpointer aligned_memory = NULL;
>   gint err = ENOMEM;
> #if     HAVE_COMPLIANT_POSIX_MEMALIGN
>   err = posix_memalign (&aligned_memory, alignment, memsize);
> #elif   HAVE_MEMALIGN
>   errno = 0;
>   aligned_memory = memalign (alignment, memsize);
>   err = errno;
> #elif   HAVE_VALLOC
>   errno = 0;
>   aligned_memory = valloc (memsize);
>   err = errno;
> #else
>   /* simplistic non-freeing page allocator */
>   ...
> #endif
> 
> 
> The #else part only calls malloc, and I assumed that it works on cygwin.  
> It would be a small thing to figure out which part is used on cygwin if the 
> config.h was available.

I assume you're going to do that.  If you could come up with a simple
OOTB testcase which reproduces the problem, the simpler for us to fix
a potential bug.

Note that Cygwin exports memalign and valloc for a longer time now,
posix_memalign is only available in the developer snapshots.


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Project Co-Leader          cygwin AT cygwin DOT com
Red Hat

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