1/* 2 * Copyright (c) 2000-2005, 2008-2011 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 <mach/mach.h> 35#include <mach/mach_error.h> 36 37#include <SystemConfiguration/SystemConfiguration.h> 38#include <SystemConfiguration/SCPrivate.h> 39#include "SCDynamicStoreInternal.h" 40#include "config.h" /* MiG generated file */ 41 42Boolean 43SCDynamicStoreNotifyCancel(SCDynamicStoreRef store) 44{ 45 SCDynamicStorePrivateRef storePrivate = (SCDynamicStorePrivateRef)store; 46 kern_return_t status; 47 int sc_status; 48 49 if (store == NULL) { 50 /* sorry, you must provide a session */ 51 _SCErrorSet(kSCStatusNoStoreSession); 52 return FALSE; 53 } 54 55 switch (storePrivate->notifyStatus) { 56 case NotifierNotRegistered : 57 /* if no notifications have been registered */ 58 return TRUE; 59 case Using_NotifierInformViaRunLoop : 60 CFRunLoopSourceInvalidate(storePrivate->rls); 61 storePrivate->rls = NULL; 62 return TRUE; 63 case Using_NotifierInformViaDispatch : 64 (void) SCDynamicStoreSetDispatchQueue(store, NULL); 65 return TRUE; 66 default : 67 break; 68 } 69 70 if (storePrivate->server == MACH_PORT_NULL) { 71 /* sorry, you must have an open session to play */ 72 sc_status = kSCStatusNoStoreServer; 73 goto done; 74 } 75 76 status = notifycancel(storePrivate->server, (int *)&sc_status); 77 78 if (__SCDynamicStoreCheckRetryAndHandleError(store, 79 status, 80 &sc_status, 81 "SCDynamicStoreNotifyCancel notifycancel()")) { 82 sc_status = kSCStatusOK; 83 } 84 85 done : 86 87 /* set notifier inactive */ 88 storePrivate->notifyStatus = NotifierNotRegistered; 89 90 if (sc_status != kSCStatusOK) { 91 _SCErrorSet(sc_status); 92 return FALSE; 93 } 94 95 return TRUE; 96} 97