[ovs-dev] [urcu v2 02/15] compiler: New macro for defining aligned structs.

[Ben Pfaff]

On Thu, Mar 13, 2014 at 09:57:12AM -0700, Gurucharan Shetty wrote:
> On Tue, Mar 11, 2014 at 1:56 PM, Ben Pfaff <blp at nicira.com> wrote:
> > This is broken out into a separate commit because it adds new MSVC
> > specific code and I don't have MSVC around to test whether it's correct.
> >
> > CC: Gurucharan Shetty <gshetty at nicira.com>
> > Signed-off-by: Ben Pfaff <blp at nicira.com>
> 
> Looks good to me.
> 
> I do not see any users of it though.
> 
> The idea is to do something like this, right?
> 
> #define OVS_ALIGNED_STRUCT(N, TAG) __declspec(align(N)) struct TAG
> 
> struct test {
>     int a;
>     int b;
>     char c;
> };
> OVS_ALIGNED_STRUCT(64, test);

The comment describes intended use:
 * e.g. The following:
 *     OVS_ALIGNED_STRUCT(64, mystruct) { ... };
 * is equivalent to the following except that it specifies 64-byte alignment:
 *     struct mystruct { ... };