2 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
4 * @APPLE_LICENSE_HEADER_START@
6 * The contents of this file constitute Original Code as defined in and
7 * are subject to the Apple Public Source License Version 1.1 (the
8 * "License"). You may not use this file except in compliance with the
9 * License. Please obtain a copy of the License at
10 * http://www.apple.com/publicsource and read it before using this file.
12 * This Original Code and all software distributed under the License are
13 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
14 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
15 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
17 * License for the specific language governing rights and limitations
20 * @APPLE_LICENSE_HEADER_END@
24 * Modification History
26 * June 1, 2001 Allan Nathanson <ajn@apple.com>
27 * - public API conversion
29 * March 31, 2000 Allan Nathanson <ajn@apple.com>
33 #include <mach/mach.h>
34 #include <mach/mach_error.h>
36 #include <SystemConfiguration/SystemConfiguration.h>
37 #include <SystemConfiguration/SCPrivate.h>
38 #include "SCDynamicStoreInternal.h"
39 #include "config.h" /* MiG generated file */
42 SCDynamicStoreNotifyMachPort(SCDynamicStoreRef store
, mach_msg_id_t identifier
, mach_port_t
*port
)
44 SCDynamicStorePrivateRef storePrivate
= (SCDynamicStorePrivateRef
)store
;
46 mach_port_t oldNotify
;
49 SCLog(_sc_verbose
, LOG_DEBUG
, CFSTR("SCDynamicStoreNotifyMachPort:"));
52 /* sorry, you must provide a session */
53 _SCErrorSet(kSCStatusNoStoreSession
);
57 if (storePrivate
->server
== MACH_PORT_NULL
) {
58 /* sorry, you must have an open session to play */
59 _SCErrorSet(kSCStatusNoStoreServer
);
63 if (storePrivate
->notifyStatus
!= NotifierNotRegistered
) {
64 /* sorry, you can only have one notification registered at once */
65 _SCErrorSet(kSCStatusNotifierActive
);
69 /* Allocating port (for server response) */
70 status
= mach_port_allocate(mach_task_self(), MACH_PORT_RIGHT_RECEIVE
, port
);
71 if (status
!= KERN_SUCCESS
) {
72 SCLog(_sc_verbose
, LOG_DEBUG
, CFSTR("mach_port_allocate(): %s"), mach_error_string(status
));
76 SCLog(_sc_verbose
, LOG_DEBUG
, CFSTR(" port = %d"), *port
);
78 status
= mach_port_insert_right(mach_task_self(),
81 MACH_MSG_TYPE_MAKE_SEND
);
82 if (status
!= KERN_SUCCESS
) {
83 SCLog(_sc_verbose
, LOG_DEBUG
, CFSTR("mach_port_insert_right(): %s"), mach_error_string(status
));
84 (void) mach_port_destroy(mach_task_self(), *port
);
85 *port
= MACH_PORT_NULL
;
90 /* Request a notification when/if the server dies */
91 status
= mach_port_request_notification(mach_task_self(),
93 MACH_NOTIFY_NO_SENDERS
,
96 MACH_MSG_TYPE_MAKE_SEND_ONCE
,
98 if (status
!= KERN_SUCCESS
) {
99 SCLog(_sc_verbose
, LOG_DEBUG
, CFSTR("mach_port_request_notification(): %s"), mach_error_string(status
));
100 (void) mach_port_destroy(mach_task_self(), *port
);
101 *port
= MACH_PORT_NULL
;
106 if (oldNotify
!= MACH_PORT_NULL
) {
107 SCLog(_sc_verbose
, LOG_ERR
, CFSTR("SCDynamicStoreNotifyMachPort(): why is oldNotify != MACH_PORT_NULL?"));
110 status
= notifyviaport(storePrivate
->server
,
115 if (status
!= KERN_SUCCESS
) {
116 if (status
!= MACH_SEND_INVALID_DEST
)
117 SCLog(_sc_verbose
, LOG_DEBUG
, CFSTR("notifyviaport(): %s"), mach_error_string(status
));
118 (void) mach_port_destroy(mach_task_self(), *port
);
119 *port
= MACH_PORT_NULL
;
120 (void) mach_port_destroy(mach_task_self(), storePrivate
->server
);
121 storePrivate
->server
= MACH_PORT_NULL
;
126 /* set notifier active */
127 storePrivate
->notifyStatus
= Using_NotifierInformViaMachPort
;