gcc/ada/g-sttsne.ads

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT COMPILER COMPONENTS                         --
   4 --                                                                          --
   5 --    G N A T . S O C K E T S . T H I N . T A S K _ S A F E _ N E T D B     --
   6 --                                                                          --
   7 --                                 S p e c                                  --
   8 --                                                                          --
   9 --                     Copyright (C) 2007, AdaCore                          --
  10 --                                                                          --
  11 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
  12 -- terms of the  GNU General Public License as published  by the Free Soft- --
  13 -- ware  Foundation;  either version 2,  or (at your option) any later ver- --
  14 -- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
  15 -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
  16 -- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License --
  17 -- for  more details.  You should have  received  a copy of the GNU General --
  18 -- Public License  distributed with GNAT;  see file COPYING.  If not, write --
  19 -- to  the  Free Software Foundation,  51  Franklin  Street,  Fifth  Floor, --
  20 -- Boston, MA 02110-1301, USA.                                              --
  21 --                                                                          --
  22 -- As a special exception,  if other files  instantiate  generics from this --
  23 -- unit, or you link  this unit with other files  to produce an executable, --
  24 -- this  unit  does not  by itself cause  the resulting  executable  to  be --
  25 -- covered  by the  GNU  General  Public  License.  This exception does not --
  26 -- however invalidate  any other reasons why  the executable file  might be --
  27 -- covered by the  GNU Public License.                                      --
  28 --                                                                          --
  29 -- GNAT was originally developed  by the GNAT team at  New York University. --
  30 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  31 --                                                                          --
  32 ------------------------------------------------------------------------------
  33
  34 --  This package exports reentrant NetDB subprograms. This is the default
  35 --  version, used on most platforms. The routines are implemented by importing
  36 --  from C; see gsocket.h for details. Different versions are provided on
  37 --  platforms where this functionality is implemented in Ada.
  38
  39 --  This package should not be directly with'ed by an application
  40
  41 package GNAT.Sockets.Thin.Task_Safe_NetDB is
  42
  43    ----------------------------------------
  44    -- Reentrant network databases access --
  45    ----------------------------------------
  46
  47    function Safe_Gethostbyname
  48      (Name     : C.char_array;
  49       Ret      : not null access Hostent;
  50       Buf      : System.Address;
  51       Buflen   : C.int;
  52       H_Errnop : not null access C.int) return C.int;
  53
  54    function Safe_Gethostbyaddr
  55      (Addr      : System.Address;
  56       Addr_Len  : C.int;
  57       Addr_Type : C.int;
  58       Ret       : not null access Hostent;
  59       Buf       : System.Address;
  60       Buflen    : C.int;
  61       H_Errnop  : not null access C.int) return C.int;
  62
  63    function Safe_Getservbyname
  64      (Name     : C.char_array;
  65       Proto    : C.char_array;
  66       Ret      : not null access Servent;
  67       Buf      : System.Address;
  68       Buflen   : C.int) return C.int;
  69
  70    function Safe_Getservbyport
  71      (Port     : C.int;
  72       Proto    : C.char_array;
  73       Ret      : not null access Servent;
  74       Buf      : System.Address;
  75       Buflen   : C.int) return C.int;
  76
  77 private
  78    pragma Import (C, Safe_Gethostbyname, "__gnat_safe_gethostbyname");
  79    pragma Import (C, Safe_Gethostbyaddr, "__gnat_safe_gethostbyaddr");
  80    pragma Import (C, Safe_Getservbyname, "__gnat_safe_getservbyname");
  81    pragma Import (C, Safe_Getservbyport, "__gnat_safe_getservbyport");
  82
  83 end GNAT.Sockets.Thin.Task_Safe_NetDB;