xnu-6153.11.26.tar.gz

[apple/xnu.git] / osfmk / ipc / ipc_notify.c

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/*
 * @OSF_COPYRIGHT@
 */
/*
 * Mach Operating System
 * Copyright (c) 1991,1990,1989 Carnegie Mellon University
 * All Rights Reserved.
 *
 * Permission to use, copy, modify and distribute this software and its
 * documentation is hereby granted, provided that both the copyright
 * notice and this permission notice appear in all copies of the
 * software, derivative works or modified versions, and any portions
 * thereof, and that both notices appear in supporting documentation.
 *
 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
 * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
 *
 * Carnegie Mellon requests users of this software to return to
 *
 *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
 *  School of Computer Science
 *  Carnegie Mellon University
 *  Pittsburgh PA 15213-3890
 *
 * any improvements or extensions that they make and grant Carnegie Mellon
 * the rights to redistribute these changes.
 */
/*
 */
/*
 *	File:	ipc/ipc_notify.c
 *	Author:	Rich Draves
 *	Date:	1989
 *
 *	Notification-sending functions.
 */

#include <mach/port.h>
#include <mach/message.h>
#include <mach/mach_notify.h>
#include <kern/misc_protos.h>
#include <ipc/ipc_notify.h>
#include <ipc/ipc_port.h>

/*
 *	Routine:	ipc_notify_port_deleted
 *	Purpose:
 *		Send a port-deleted notification.
 *	Conditions:
 *		Nothing locked.
 *		Consumes a ref/soright for port.
 */

void
ipc_notify_port_deleted(
	ipc_port_t              port,
	mach_port_name_t        name)
{
	(void)mach_notify_port_deleted(port, name);
	/* send-once right consumed */
}

/*
 *	Routine:	ipc_notify_send_possible
 *	Purpose:
 *		Send a send-possible notification.
 *	Conditions:
 *		Nothing locked.
 *		Consumes a ref/soright for port.
 */

void
ipc_notify_send_possible(
	ipc_port_t              port,
	mach_port_name_t        name)
{
	(void)mach_notify_send_possible(port, name);
	/* send-once right consumed */
}

/*
 *	Routine:	ipc_notify_port_destroyed
 *	Purpose:
 *		Send a port-destroyed notification.
 *	Conditions:
 *		Nothing locked.
 *		Consumes a ref/soright for port.
 *		Consumes a ref for right, which should be a receive right
 *		prepped for placement into a message.  (In-transit,
 *		or in-limbo if a circularity was detected.)
 */

void
ipc_notify_port_destroyed(
	ipc_port_t      port,
	ipc_port_t      right)
{
	mach_notify_port_destroyed(port, right);
	/* send-once and receive rights consumed */
}

/*
 *	Routine:	ipc_notify_no_senders
 *	Purpose:
 *		Send a no-senders notification.
 *	Conditions:
 *		Nothing locked.
 *		Consumes a ref/soright for port.
 */

void
ipc_notify_no_senders(
	ipc_port_t              port,
	mach_port_mscount_t     mscount)
{
	(void)mach_notify_no_senders(port, mscount);
	/* send-once right consumed */
}

/*
 *	Routine:	ipc_notify_send_once
 *	Purpose:
 *		Send a send-once notification.
 *	Conditions:
 *		Nothing locked.
 *		Consumes a ref/soright for port.
 */

void
ipc_notify_send_once(
	ipc_port_t      port)
{
	ipc_port_adjust_special_reply_port(port, IPC_PORT_ADJUST_RESET_BOOSTRAP_CHECKIN, FALSE);

	(void)mach_notify_send_once(port);
	/* send-once right consumed */
}

/*
 *	Routine:	ipc_notify_dead_name
 *	Purpose:
 *		Send a dead-name notification.
 *	Conditions:
 *		Nothing locked.
 *		Consumes a ref/soright for port.
 */

void
ipc_notify_dead_name(
	ipc_port_t              port,
	mach_port_name_t        name)
{
	(void)mach_notify_dead_name(port, name);
	/* send-once right consumed */
}