1/*
2 * Copyright (c) 2000, 2001, 2003-2006, 2009 Apple Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. Please obtain a copy of the License at
10 * http://www.opensource.apple.com/apsl/ and read it before using this
11 * file.
12 *
13 * The Original Code and all software distributed under the License are
14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18 * Please see the License for the specific language governing rights and
19 * limitations under the License.
20 *
21 * @APPLE_LICENSE_HEADER_END@
22 */
23
24/*
25 * Modification History
26 *
27 * June 1, 2001			Allan Nathanson <ajn@apple.com>
28 * - public API conversion
29 *
30 * March 31, 2000		Allan Nathanson <ajn@apple.com>
31 * - initial revision
32 */
33
34#include <unistd.h>
35
36#include "configd.h"
37#include "session.h"
38
39
40__private_extern__
41int
42__SCDynamicStoreNotifyCancel(SCDynamicStoreRef store)
43{
44	SCDynamicStorePrivateRef	storePrivate = (SCDynamicStorePrivateRef)store;
45
46	/*
47	 * cleanup any mach port based notifications.
48	 */
49	if (storePrivate->notifyPort != MACH_PORT_NULL) {
50		__MACH_PORT_DEBUG(TRUE, "*** __SCDynamicStoreNotifyCancel (notify port)", storePrivate->notifyPort);
51		(void) mach_port_deallocate(mach_task_self(), storePrivate->notifyPort);
52		storePrivate->notifyPort = MACH_PORT_NULL;
53	}
54
55	/*
56	 * cleanup any file based notifications.
57	 */
58	if (storePrivate->notifyFile != -1) {
59		// close (notification) fd
60		(void) close(storePrivate->notifyFile);
61		storePrivate->notifyFile = -1;
62	}
63
64	/*
65	 * cleanup any signal notifications.
66	 */
67	if (storePrivate->notifySignal > 0) {
68		__MACH_PORT_DEBUG(TRUE, "*** __SCDynamicStoreNotifyCancel (signal)", storePrivate->notifySignalTask);
69		(void) mach_port_deallocate(mach_task_self(), storePrivate->notifySignalTask);
70		storePrivate->notifySignal     = 0;
71		storePrivate->notifySignalTask = TASK_NULL;
72	}
73
74	/* remove this session from the to-be-notified list */
75	if (needsNotification) {
76		CFNumberRef	num;
77
78		num = CFNumberCreate(NULL, kCFNumberIntType, &storePrivate->server);
79		CFSetRemoveValue(needsNotification, num);
80		CFRelease(num);
81
82		if (CFSetGetCount(needsNotification) == 0) {
83			CFRelease(needsNotification);
84			needsNotification = NULL;
85		}
86	}
87
88	/* set notifier inactive */
89	storePrivate->notifyStatus = NotifierNotRegistered;
90
91	return kSCStatusOK;
92}
93
94
95__private_extern__
96kern_return_t
97_notifycancel(mach_port_t	server,
98	      int		*sc_status)
99{
100	serverSessionRef	mySession = getSession(server);
101
102	if (mySession == NULL) {
103		*sc_status = kSCStatusNoStoreSession;	/* you must have an open session to play */
104		return KERN_SUCCESS;
105	}
106
107	__MACH_PORT_DEBUG(((SCDynamicStorePrivateRef)mySession->store)->notifyPort != MACH_PORT_NULL,
108			  "*** _notifycancel",
109			  ((SCDynamicStorePrivateRef)mySession->store)->notifyPort);
110	*sc_status = __SCDynamicStoreNotifyCancel(mySession->store);
111	return KERN_SUCCESS;
112}
113