mDNSPosix/mDNSPosix.h

   1 /*
   2  * Copyright (c) 2002-2003 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     Change History (most recent first):
  26
  27 $Log: mDNSPosix.h,v $
  28 Revision 1.9  2003/10/30 19:25:19  cheshire
  29 Fix warning on certain compilers
  30
  31 Revision 1.8  2003/08/12 19:56:26  cheshire
  32 Update to APSL 2.0
  33
  34 Revision 1.7  2003/07/02 21:19:59  cheshire
  35 <rdar://problem/3313413> Update copyright notices, etc., in source code comments
  36
  37 Revision 1.6  2003/03/13 03:46:21  cheshire
  38 Fixes to make the code build on Linux
  39
  40 Revision 1.5  2003/03/08 00:35:56  cheshire
  41 Switched to using new "mDNS_Execute" model (see "mDNSCore/Implementer Notes.txt")
  42
  43 Revision 1.4  2002/12/23 22:13:31  jgraessl
  44
  45 Reviewed by: Stuart Cheshire
  46 Initial IPv6 support for mDNSResponder.
  47
  48 Revision 1.3  2002/09/21 20:44:53  zarzycki
  49 Added APSL info
  50
  51 Revision 1.2  2002/09/19 04:20:44  cheshire
  52 Remove high-ascii characters that confuse some systems
  53
  54 Revision 1.1  2002/09/17 06:24:34  cheshire
  55 First checkin
  56
  57 */
  58
  59 #ifndef __mDNSPlatformPosix_h
  60 #define __mDNSPlatformPosix_h
  61
  62 #include <sys/time.h>
  63
  64 #if HAVE_IPV6
  65 #define mDNSIPv6Support 1
  66 #endif
  67
  68 #ifdef  __cplusplus
  69     extern "C" {
  70 #endif
  71
  72 // This is a global because debugf_() needs to be able to check its value
  73 extern int gMDNSPlatformPosixVerboseLevel;
  74
  75 struct mDNS_PlatformSupport_struct
  76         {
  77     // No additional data required for Posix at this time
  78         long dummy[1];  // Some compilers don't like empty structures
  79         };
  80
  81 extern mStatus mDNSPlatformPosixRefreshInterfaceList(mDNS *const m);
  82     // See comment in implementation.
  83
  84 // Call mDNSPosixGetFDSet before calling select(), to update the parameters
  85 // as may be necessary to meet the needs of the mDNSCore code.
  86 // The timeout pointer MUST NOT be NULL.
  87 // Set timeout->tv_sec to 0x3FFFFFFF if you want to have effectively no timeout
  88 // After calling mDNSPosixGetFDSet(), call select(nfds, &readfds, NULL, NULL, &timeout); as usual
  89 // After select() returns, call mDNSPosixProcessFDSet() to let mDNSCore do its work
  90 extern void mDNSPosixGetFDSet(mDNS *const m, int *nfds, fd_set *readfds, struct timeval *timeout);
  91 extern void mDNSPosixProcessFDSet(mDNS *const m, fd_set *readfds);
  92
  93 #ifdef  __cplusplus
  94     }
  95 #endif
  96
  97 #endif