mDNSPosix/mDNSPosix.h

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