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Re: [PATCH 2/2] manual/memory.texi: Bring aligned allocation docs up to date.
- From: OndÅej BÃlka <neleai at seznam dot cz>
- To: Will Newton <will dot newton at linaro dot org>
- Cc: libc-alpha at sourceware dot org, Patch Tracking <patches at linaro dot org>
- Date: Wed, 6 Nov 2013 11:20:37 +0100
- Subject: Re: [PATCH 2/2] manual/memory.texi: Bring aligned allocation docs up to date.
- Authentication-results: sourceware.org; auth=none
- References: <527A14B1 dot 5080903 at linaro dot org>
On Wed, Nov 06, 2013 at 10:06:41AM +0000, Will Newton wrote:
>
> The current documentation suggests using memalign and valloc which
> are now considered obsolete, so suggest using posix_memalign instead.
> Also document the possible error return and errno values for memalign
> and posix_memalign and improve documentation of __memalign_hook.
>
> @comment stdlib.h
> @@ -647,6 +656,16 @@ parameter @var{alignment}: the value must be a power of two multiple of
> If the function succeeds in allocation memory a pointer to the allocated
> memory is returned in @code{*@var{memptr}} and the return value is zero.
> Otherwise the function returns an error value indicating the problem.
> +The possible error values returned are:
> +
> +@table @code
> +@item ENOMEM
> +@var{alignment} is not a power of two multiple of @code{sizeof (void *)}.
> +
> +@item EINVAL
> +There was insufficient memory available to satisfy the request.
> +
swap these.
Also is there mention about multithreading and hooks?