head 1.1; access; symbols; locks; strict; comment @-- @; 1.1 date 2026.06.06.06.15.50; author dkazankov; state Exp; branches; next ; commitid aIGRFXloTdnfBHIG; desc @@ 1.1 log @gcc15-gnat: update to 15.2.0nb2 * Update common patches from upstream gcc15 package * Update libgnat BSD socket implementation * Improve using builtin binutils version on NetBSD 11 * Fix tasking implementation on NetBSD - now GNAT does not use alternate stack for tasking on NetBSD: see pthread CAVEATS - add affinity/ceiling support @ text @$NetBSD: patch-gcc_ada_libgnat_g-socthi____bsd.ads,v 1.2 2025/10/18 05:31:22 dkazankov Exp $ Create a g-socthi package that is common to all *BSD systems. --- /dev/null +++ gcc/ada/libgnat/g-socthi__bsd.ads @@@@ -0,0 +1,272 @@@@ +------------------------------------------------------------------------------ +-- -- +-- GNAT COMPILER COMPONENTS -- +-- -- +-- G N A T . S O C K E T S . T H I N -- +-- -- +-- S p e c -- +-- -- +-- Copyright (C) 2001-2024, AdaCore -- +-- -- +-- GNAT is free software; you can redistribute it and/or modify it under -- +-- terms of the GNU General Public License as published by the Free Soft- -- +-- ware Foundation; either version 3, or (at your option) any later ver- -- +-- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- +-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- +-- or FITNESS FOR A PARTICULAR PURPOSE. -- +-- -- +-- As a special exception under Section 7 of GPL version 3, you are granted -- +-- additional permissions described in the GCC Runtime Library Exception, -- +-- version 3.1, as published by the Free Software Foundation. -- +-- -- +-- You should have received a copy of the GNU General Public License and -- +-- a copy of the GCC Runtime Library Exception along with this program; -- +-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- +-- . -- +-- -- +-- GNAT was originally developed by the GNAT team at New York University. -- +-- Extensive contributions were provided by Ada Core Technologies Inc. -- +-- -- +------------------------------------------------------------------------------ + +-- This package provides a target dependent thin interface to the sockets +-- layer for use by the GNAT.Sockets package (g-socket.ads). This package +-- should not be directly with'ed by an applications program. + +-- This is the default version + +with Interfaces.C; + +with GNAT.OS_Lib; +with GNAT.Sockets.Thin_Common; + +with System; +with System.CRTL; + +package GNAT.Sockets.Thin is + + -- This package is intended for hosts implementing BSD sockets with a + -- standard interface. It will be used as a default for all the platforms + -- that do not have a specific version of this file. + + use Thin_Common; + + package C renames Interfaces.C; + + function Socket_Errno return Integer renames GNAT.OS_Lib.Errno; + -- Returns last socket error number + + function Socket_Error_Message (Errno : Integer) return String; + -- Returns the error message string for the error number Errno. If Errno is + -- not known, returns "Unknown system error". + + function Host_Errno return Integer; + pragma Import (C, Host_Errno, "__gnat_get_h_errno"); + -- Returns last host error number + + package Host_Error_Messages is + + function Host_Error_Message (H_Errno : Integer) return String; + -- Returns the error message string for the host error number H_Errno. + -- If H_Errno is not known, returns "Unknown system error". + + end Host_Error_Messages; + + -------------------------------- + -- Standard library functions -- + -------------------------------- + + function C_Accept + (S : C.int; + Addr : System.Address; + Addrlen : not null access C.int) return C.int; + + function C_Bind + (S : C.int; + Name : System.Address; + Namelen : C.int) return C.int; + + function C_Close + (Fd : C.int) return C.int; + + function C_Connect + (S : C.int; + Name : System.Address; + Namelen : C.int) return C.int; + + function C_Gethostname + (Name : System.Address; + Namelen : C.size_t) return C.int; + + function C_Getpeername + (S : C.int; + Name : System.Address; + Namelen : not null access C.int) return C.int; + + function C_Getsockname + (S : C.int; + Name : System.Address; + Namelen : not null access C.int) return C.int; + + function C_Getsockopt + (S : C.int; + Level : C.int; + Optname : C.int; + Optval : System.Address; + Optlen : not null access C.int) return C.int; + + function Socket_Ioctl + (S : C.int; + Req : SOSC.IOCTL_Req_T; + Arg : access C.int) return C.int; + + function C_Listen + (S : C.int; + Backlog : C.int) return C.int; + + function C_Recv + (S : C.int; + Msg : System.Address; + Len : C.size_t; + Flags : C.int) return C.int; + + function C_Recvfrom + (S : C.int; + Msg : System.Address; + Len : C.size_t; + Flags : C.int; + From : System.Address; + Fromlen : not null access C.int) return C.int; + + function C_Recvmsg + (S : C.int; + Msg : System.Address; + Flags : C.int) return System.CRTL.ssize_t; + + function C_Select + (Nfds : C.int; + Readfds : access Fd_Set; + Writefds : access Fd_Set; + Exceptfds : access Fd_Set; + Timeout : Timeval_Access) return C.int; + + function C_Sendmsg + (S : C.int; + Msg : System.Address; + Flags : C.int) return System.CRTL.ssize_t; + + function C_Sendto + (S : C.int; + Msg : System.Address; + Len : C.size_t; + Flags : C.int; + To : System.Address; + Tolen : C.int) return C.int; + + function C_Setsockopt + (S : C.int; + Level : C.int; + Optname : C.int; + Optval : System.Address; + Optlen : C.int) return C.int; + + function C_Shutdown + (S : C.int; + How : C.int) return C.int; + + function C_Socket + (Domain : C.int; + Typ : C.int; + Protocol : C.int) return C.int; + + function C_System + (Command : System.Address) return C.int; + + Default_Socket_Pair_Family : constant := SOSC.AF_UNIX; + -- UNIX has socketpair system call and AF_UNIX family is widely supported + + function C_Socketpair + (Domain : C.int; + Typ : C.int; + Protocol : C.int; + Fds : not null access Fd_Pair) return C.int; + -- Creates pair of connected sockets + + ------------------------------------------------------- + -- Signalling file descriptors for selector abortion -- + ------------------------------------------------------- + + package Signalling_Fds is + + function Create (Fds : not null access Fd_Pair) return C.int; + pragma Convention (C, Create); + -- Create a pair of connected descriptors suitable for use with C_Select + -- (used for signalling in Selector objects). + + function Read (Rsig : C.int) return C.int; + pragma Convention (C, Read); + -- Read one byte of data from rsig, the read end of a pair of signalling + -- fds created by Create_Signalling_Fds. + + function Write (Wsig : C.int) return C.int; + pragma Convention (C, Write); + -- Write one byte of data to wsig, the write end of a pair of signalling + -- fds created by Create_Signalling_Fds. + + procedure Close (Sig : C.int); + pragma Convention (C, Close); + -- Close one end of a pair of signalling fds (ignoring any error) + + end Signalling_Fds; + + ------------------------------------------- + -- Nonreentrant network databases access -- + ------------------------------------------- + + -- The following are used only on systems that have nonreentrant + -- getXXXbyYYY functions, and do NOT have corresponding getXXXbyYYY_ + -- functions. Currently, LynxOS is the only such system. + + function Nonreentrant_Gethostbyname + (Name : C.char_array) return Hostent_Access; + + function Nonreentrant_Gethostbyaddr + (Addr : System.Address; + Addr_Len : C.int; + Addr_Type : C.int) return Hostent_Access; + + function Nonreentrant_Getservbyname + (Name : C.char_array; + Proto : C.char_array) return Servent_Access; + + function Nonreentrant_Getservbyport + (Port : C.int; + Proto : C.char_array) return Servent_Access; + + procedure Initialize; + procedure Finalize; + +private + pragma Inline (C_Bind); + pragma Inline (C_Connect); + pragma Import (C, C_Close, "close"); + pragma Import (C, C_Gethostname, "gethostname"); + pragma Inline (C_Getpeername); + pragma Inline (C_Getsockname); + pragma Inline (C_Getsockopt); + pragma Import (C, C_Listen, "listen"); + pragma Inline (C_Recv); + pragma Inline (C_Recvmsg); + pragma Import (C, C_Select, "select"); + pragma Inline (C_Sendmsg); + pragma Inline (C_Setsockopt); + pragma Import (C, C_Shutdown, "shutdown"); + pragma Import (C, C_Socketpair, "socketpair"); + pragma Import (C, C_System, "system"); + + pragma Import (C, Nonreentrant_Gethostbyname, "gethostbyname"); + pragma Inline (Nonreentrant_Gethostbyaddr); + pragma Import (C, Nonreentrant_Getservbyname, "getservbyname"); + pragma Import (C, Nonreentrant_Getservbyport, "getservbyport"); + +end GNAT.Sockets.Thin; @