Re: [Qemu-devel] [PATCH for-2.5 3/3] vhost-user-test: fix crash with glib < 2.36

["Michael S. Tsirkin" <mst@redhat.com>]

On Fri, Nov 27, 2015 at 03:41:20PM +0100, marcandre.lureau@redhat.com wrote:
> From: Marc-André Lureau <marcandre.lureau@redhat.com>
> 
> The prepare callback needs to be implemented with glib < 2.36.
> 
> Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>

But nothing prevents us from implementing it for all versions.


> ---
>  tests/vhost-user-test.c | 13 ++++++++++++-
>  1 file changed, 12 insertions(+), 1 deletion(-)
> 
> diff --git a/tests/vhost-user-test.c b/tests/vhost-user-test.c
> index 29205ed..4ab48e4 100644
> --- a/tests/vhost-user-test.c
> +++ b/tests/vhost-user-test.c
> @@ -506,8 +506,19 @@ test_migrate_source_check(GSource *source)
>      return FALSE;
>  }
>  
> +#if !GLIB_CHECK_VERSION(2,36,0)
> +static gboolean
> +test_migrate_source_prepare(GSource *source, gint *timeout)
> +{
> +    *timeout = -1;
> +    return FALSE;
> +}
> +#endif
> +
>  GSourceFuncs test_migrate_source_funcs = {
> -    NULL,
> +#if !GLIB_CHECK_VERSION(2,36,0)
> +    test_migrate_source_prepare,
> +#endif
>      test_migrate_source_check,

So now for version 2.36 check will be used instead of prepare.
That's clearly wrong.

I'll switch this to named initializers to avoid the mess.

>      NULL,
>      NULL
> -- 
> 2.5.0