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Re: [PATCH 04/11] doc: document mach_port_set_protected_payload


From: Richard Braun
Subject: Re: [PATCH 04/11] doc: document mach_port_set_protected_payload
Date: Mon, 17 Feb 2014 23:35:12 +0100
User-agent: Mutt/1.5.21 (2010-09-15)

On Mon, Feb 17, 2014 at 06:20:54PM +0100, Justus Winter wrote:
> +@deftypefun kern_return_t mach_port_set_protected_payload (@w{ipc_space_t 
> @var{task}}, @w{mach_port_t @var{name}}, @w{unsigned long @var{payload}})
> +The function @code{mach_port_set_protected_payload} sets the protected
> +payload to @var{payload}.  If @var{payload} is non-zero, the
> +@code{msgh_protected_payload} field will be set to @var{payload} if a
> +message is delivered to @var{name}.

If I'm right, this also means switching back from the protected payload
is done by calling this RPC with a payload of 0. It could be worth
emphasizing that 0 is an invalid value for a protected payload.

-- 
Richard Braun



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