Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1276057

Re: [PATCH 8/8] Use __kernel_long_t in struct mq_attr

Show all headers | View raw

[Multipart message — attachments visible in raw view] - view raw

On Fri, Dec 27, 2013 at 02:14:24PM -0800, H.J. Lu wrote:
> Both x32 and x86-64 use the same struct mq_attr for system calls.  But
> x32 long is 32-bit. This patch replaces long with __kernel_long_t in
> struct mq_attr.
> 
> Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
> ---
>  include/uapi/linux/mqueue.h | 10 +++++-----
>  1 file changed, 5 insertions(+), 5 deletions(-)
> 
> diff --git a/include/uapi/linux/mqueue.h b/include/uapi/linux/mqueue.h
> index 8b5a796..d0a2b8e 100644
> --- a/include/uapi/linux/mqueue.h
> +++ b/include/uapi/linux/mqueue.h
> @@ -23,11 +23,11 @@
>  #define MQ_BYTES_MAX	819200
>  
>  struct mq_attr {
> -	long	mq_flags;	/* message queue flags			*/
> -	long	mq_maxmsg;	/* maximum number of messages		*/
> -	long	mq_msgsize;	/* maximum message size			*/
> -	long	mq_curmsgs;	/* number of messages currently queued	*/
> -	long	__reserved[4];	/* ignored for input, zeroed for output */
> +	__kernel_long_t	mq_flags;	/* message queue flags			*/
> +	__kernel_long_t	mq_maxmsg;	/* maximum number of messages		*/
> +	__kernel_long_t	mq_msgsize;	/* maximum message size			*/
> +	__kernel_long_t	mq_curmsgs;	/* number of messages currently queued	*/
> +	__kernel_long_t	__reserved[4];	/* ignored for input, zeroed for output */
>  };
>  
>  /*

This breaks userspace, please #include <linux/types.h>
before using __kernel_long_t.


-- 
ldv

Back to linux.kernel | Previous | Next | Find similar | Unroll thread

Thread

Re: [PATCH 8/8] Use __kernel_long_t in struct mq_attr "Dmitry V. Levin" <ldv@altlinux.org> - 2015-11-24 05:40 +0100

csiph-web