headers/private/net/r5_compatibility.h

   1 /*
   2  * Copyright 2006, Haiku, Inc. All Rights Reserved.
   3  * Distributed under the terms of the MIT License.
   4  */
   5 #ifndef NET_R5_COMPATIBILITY_H
   6 #define NET_R5_COMPATIBILITY_H
   7
   8
   9 #include <SupportDefs.h>
  10
  11
  12 #define R5_SOCK_DGRAM   1
  13 #define R5_SOCK_STREAM  2
  14
  15 #define R5_AF_INET              1
  16
  17 #define R5_IPPROTO_UDP  1
  18 #define R5_IPPROTO_TCP  2
  19 #define R5_IPPROTO_ICMP 3
  20
  21 // setsockopt() defines
  22
  23 #define R5_SOL_SOCKET   1
  24
  25 #define R5_SO_DEBUG             1
  26 #define R5_SO_REUSEADDR 2
  27 #define R5_SO_NONBLOCK  3
  28 #define R5_SO_REUSEPORT 4
  29 #define R5_SO_FIONREAD  5
  30
  31 #define R5_MSG_OOB              0x01
  32
  33
  34 struct r5_sockaddr_in {
  35         uint16  sin_family;
  36         uint16  sin_port;
  37         uint32  sin_addr;
  38         char    sin_zero[4];
  39 };
  40
  41 extern bool __gR5Compatibility;
  42 extern addr_t __gNetworkStart;
  43 extern addr_t __gNetworkEnd;
  44 extern addr_t __gNetAPIStart;
  45 extern addr_t __gNetAPIEnd;
  46
  47
  48 static inline bool
  49 check_r5_compatibility()
  50 {
  51         if (!__gR5Compatibility)
  52                 return false;
  53
  54 #ifndef __INTEL__
  55         return false;
  56 #else
  57
  58         struct stack_frame {
  59                 struct stack_frame*     previous;
  60                 addr_t                                  return_address;
  61         };
  62
  63         stack_frame* frame = (stack_frame*)get_stack_frame();
  64         if (frame->return_address >= __gNetworkStart
  65                 && frame->return_address < __gNetworkEnd) {
  66                 return false;
  67         }
  68
  69         return true;
  70 #endif
  71 }
  72
  73
  74 #endif  // NET_R5_COMPATIBILITY_H