Re: [PATCH 4/8] include: define MACH_MSG_TYPE_PROTECTED_PAYLOAD

[Samuel Thibault]

Ack.

Justus Winter, le Thu 18 Sep 2014 15:22:46 +0200, a écrit :
> * include/mach/message.h: Define MACH_MSG_TYPE_PROTECTED_PAYLOAD.
> (MACH_MSG_TYPE_LAST): Adjust accordingly.
> * doc/mach.texi (Message Format): Document
> MACH_MSG_TYPE_PROTECTED_PAYLOAD.
> ---
>  doc/mach.texi          | 6 ++++++
>  include/mach/message.h | 4 +++-
>  2 files changed, 9 insertions(+), 1 deletion(-)
> 
> diff --git a/doc/mach.texi b/doc/mach.texi
> index 671e0d0..b187888 100644
> --- a/doc/mach.texi
> +++ b/doc/mach.texi
> @@ -1426,6 +1426,7 @@ types are predefined:
>  @item MACH_MSG_TYPE_STRING
>  @item MACH_MSG_TYPE_STRING_C
>  @item MACH_MSG_TYPE_PORT_NAME
> +@item MACH_MSG_TYPE_PROTECTED_PAYLOAD
>  @end table
>  
>  The following predefined types specify port rights, and receive special
> @@ -1444,6 +1445,11 @@ should be used in preference to 
> @code{MACH_MSG_TYPE_INTEGER_32}.
>  @item MACH_MSG_TYPE_MAKE_SEND_ONCE
>  @end table
>  
> +The type @code{MACH_MSG_TYPE_PROTECTED_PAYLOAD} is used by the kernel
> +to indicate that a delivered message carries a payload in the
> +@code{msgh_protected_payload} field.  See @ref{Message Receive} for
> +more information.
> +
>  @item msgt_size : 8
>  The @code{msgt_size} field specifies the size of each datum, in bits.  For
>  example, the msgt_size of @code{MACH_MSG_TYPE_INTEGER_32} data is 32.
> diff --git a/include/mach/message.h b/include/mach/message.h
> index 7464a57..0a7297e 100644
> --- a/include/mach/message.h
> +++ b/include/mach/message.h
> @@ -256,7 +256,9 @@ typedef   struct  {
>  #define MACH_MSG_TYPE_PORT_SEND              MACH_MSG_TYPE_MOVE_SEND
>  #define MACH_MSG_TYPE_PORT_SEND_ONCE MACH_MSG_TYPE_MOVE_SEND_ONCE
>  
> -#define MACH_MSG_TYPE_LAST           22              /* Last assigned */
> +#define MACH_MSG_TYPE_PROTECTED_PAYLOAD      23
> +
> +#define MACH_MSG_TYPE_LAST           23              /* Last assigned */
>  
>  /*
>   *  A dummy value.  Mostly used to indicate that the actual value
> -- 
> 2.1.0
> 

-- 
Samuel
"...very few phenomena can pull someone out of Deep Hack Mode, with two
noted exceptions: being struck by lightning, or worse, your *computer*
being struck by lightning."
(By Matt Welsh)