configd.tproj/_notifycancel.c

   1 /*
   2  * Copyright (c) 2000-2003 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25
  26 /*
  27  * Modification History
  28  *
  29  * June 1, 2001                 Allan Nathanson <ajn@apple.com>
  30  * - public API conversion
  31  *
  32  * March 31, 2000               Allan Nathanson <ajn@apple.com>
  33  * - initial revision
  34  */
  35
  36 #include <unistd.h>
  37
  38 #include "configd.h"
  39 #include "session.h"
  40
  41
  42 __private_extern__
  43 int
  44 __SCDynamicStoreNotifyCancel(SCDynamicStoreRef store)
  45 {
  46         SCDynamicStorePrivateRef        storePrivate = (SCDynamicStorePrivateRef)store;
  47
  48         SCLog(_configd_verbose, LOG_DEBUG, CFSTR("__SCDynamicStoreNotifyCancel:"));
  49
  50         if (!store) {
  51                 return kSCStatusNoStoreSession; /* you must have an open session to play */
  52         }
  53
  54         /*
  55          * cleanup any mach port based notifications.
  56          */
  57         if (storePrivate->notifyPort != MACH_PORT_NULL) {
  58                 (void) mach_port_destroy(mach_task_self(), storePrivate->notifyPort);
  59                 storePrivate->notifyPort = MACH_PORT_NULL;
  60         }
  61
  62         /*
  63          * cleanup any file based notifications.
  64          */
  65         if (storePrivate->notifyFile >= 0) {
  66                 SCLog(_configd_verbose, LOG_DEBUG, CFSTR("  closing (notification) fd %d"), storePrivate->notifyFile);
  67                 (void) close(storePrivate->notifyFile);
  68                 storePrivate->notifyFile = -1;
  69         }
  70
  71         /*
  72          * cleanup any signal notifications.
  73          */
  74         if (storePrivate->notifySignal > 0) {
  75                 (void) mach_port_destroy(mach_task_self(), storePrivate->notifySignalTask);
  76                 storePrivate->notifySignal     = 0;
  77                 storePrivate->notifySignalTask = TASK_NULL;
  78         }
  79
  80         /* remove this session from the to-be-notified list */
  81         if (needsNotification) {
  82                 CFNumberRef     num;
  83
  84                 num = CFNumberCreate(NULL, kCFNumberIntType, &storePrivate->server);
  85                 CFSetRemoveValue(needsNotification, num);
  86                 CFRelease(num);
  87
  88                 if (CFSetGetCount(needsNotification) == 0) {
  89                         CFRelease(needsNotification);
  90                         needsNotification = NULL;
  91                 }
  92         }
  93
  94         /* set notifier inactive */
  95         storePrivate->notifyStatus = NotifierNotRegistered;
  96
  97         return kSCStatusOK;
  98 }
  99
 100
 101 __private_extern__
 102 kern_return_t
 103 _notifycancel(mach_port_t       server,
 104               int               *sc_status)
 105 {
 106         serverSessionRef        mySession = getSession(server);
 107
 108         if (_configd_verbose) {
 109                 SCLog(TRUE, LOG_DEBUG, CFSTR("Cancel requested notifications."));
 110                 SCLog(TRUE, LOG_DEBUG, CFSTR("  server = %d"), server);
 111         }
 112
 113         if (!mySession) {
 114                 *sc_status = kSCStatusNoStoreSession;   /* you must have an open session to play */
 115                 return KERN_SUCCESS;
 116         }
 117
 118         *sc_status = __SCDynamicStoreNotifyCancel(mySession->store);
 119         if (*sc_status != kSCStatusOK) {
 120                 SCLog(_configd_verbose, LOG_DEBUG, CFSTR("  __SCDynamicStoreNotifyCancel(): %s"), SCErrorString(*sc_status));
 121         }
 122
 123         return KERN_SUCCESS;
 124 }