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/* No sender notification
Copyright (C) 1995, 2021 Free Software Foundation, Inc.
Written by Miles Bader <miles@gnu.ai.mit.edu>,
and Sergey Bugaev <bugaevc@gmail.com>.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2, or (at
your option) any later version.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "ports.h"
#include "notify_S.h"
kern_return_t
ports_do_mach_notify_no_senders (struct port_info *pi,
mach_port_mscount_t count)
{
error_t err;
mach_port_status_t stat;
if (!pi)
return EOPNOTSUPP;
/* Treat the notification as a hint, since it might not be coming from the
kernel. We now check if there are indeed no more senders left. */
err = mach_port_get_receive_status (mach_task_self (),
pi->port_right, &stat);
if (err)
return err;
if (stat.mps_srights)
return EAGAIN;
ports_no_senders (pi, stat.mps_mscount);
return 0;
}
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