Ack.
Justus Winter, le Thu 18 Sep 2014 15:22:45 +0200, a écrit :
> * include/mach/message.h (mach_msg_header_t): Add
> msgh_protected_payload as a union with msgh_local_port.
> * doc/mach.texi (Message Format): Document msgh_protected_payload.
> ---
> doc/mach.texi | 9 +++++++++
> include/mach/message.h | 5 ++++-
> 2 files changed, 13 insertions(+), 1 deletion(-)
>
> diff --git a/doc/mach.texi b/doc/mach.texi
> index 3175df1..671e0d0 100644
> --- a/doc/mach.texi
> +++ b/doc/mach.texi
> @@ -1330,6 +1330,15 @@ which is conventionally used as a reply port by the
> recipient of the
> message. The field must carry a send right, a send-once right,
> @code{MACH_PORT_NULL}, or @code{MACH_PORT_DEAD}.
>
> +@item unsigned long msgh_protected_payload
> +The @code{msgh_protected_payload} field carries a payload that is set
> +by the kernel during message delivery. The payload is an opaque
> +identifier that can be used by the receiver to lookup the associated
> +data structure.
> +
> +It is only valid in received messages. See @ref{Message Receive} for
> +further information.
> +
> @item mach_port_seqno_t msgh_seqno
> The @code{msgh_seqno} field provides a sequence number for the message.
> It is only valid in received messages; its value in sent messages is
> diff --git a/include/mach/message.h b/include/mach/message.h
> index f78e978..7464a57 100644
> --- a/include/mach/message.h
> +++ b/include/mach/message.h
> @@ -136,7 +136,10 @@ typedef struct {
> mach_msg_bits_t msgh_bits;
> mach_msg_size_t msgh_size;
> mach_port_t msgh_remote_port;
> - mach_port_t msgh_local_port;
> + union {
> + mach_port_t msgh_local_port;
> + unsigned long msgh_protected_payload;
> + };
> mach_port_seqno_t msgh_seqno;
> mach_msg_id_t msgh_id;
> } mach_msg_header_t;
> --
> 2.1.0
>
--
Samuel
c> [ ] morning [ ] afternoon [ ] evening [ ] night , everyone (choose as
applicable)
