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/****************************************************************************
* *
* GNAT COMPILER COMPONENTS *
* *
* G S O C K E T *
* *
* C Header File *
* *
* Copyright (C) 2004-2024, Free Software Foundation, Inc. *
* *
* 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 *
* <http://www.gnu.org/licenses/>. *
* *
* GNAT was originally developed by the GNAT team at New York University. *
* Extensive contributions were provided by Ada Core Technologies Inc. *
* *
****************************************************************************/
#if defined(VTHREADS) || defined(__PikeOS__) || defined(__DJGPP__)
/* Sockets not supported on these platforms. */
#undef HAVE_SOCKETS
#else
#define HAVE_SOCKETS
#ifndef _XOPEN_SOURCE_EXTENDED
#define _XOPEN_SOURCE_EXTENDED 1
/* For HP-UX */
#endif
#ifndef BSD_COMP
#define BSD_COMP 1
/* For Solaris */
#endif
#ifndef _ALL_SOURCE
#define _ALL_SOURCE 1
/* For AIX */
#endif
/** No system header may be included prior to this point since on some targets
** we need to redefine FD_SETSIZE.
**/
/* Target-specific includes and definitions */
#if defined(__vxworks)
#include <vxWorks.h>
#include <ioLib.h>
#include <hostLib.h>
#define SHUT_RD 0
#define SHUT_WR 1
#define SHUT_RDWR 2
#ifndef IPV6_ADD_MEMBERSHIP
#define IPV6_ADD_MEMBERSHIP IPV6_JOIN_GROUP
#endif
#ifndef IPV6_DROP_MEMBERSHIP
#define IPV6_DROP_MEMBERSHIP IPV6_LEAVE_GROUP
#endif
#elif defined (WINNT)
#define FD_SETSIZE 1024
#ifdef __MINGW32__
#include <winsock2.h>
#include <ws2tcpip.h>
#include <versionhelpers.h>
#undef EACCES
#define EACCES WSAEACCES
#undef EADDRINUSE
#define EADDRINUSE WSAEADDRINUSE
#undef EADDRNOTAVAIL
#define EADDRNOTAVAIL WSAEADDRNOTAVAIL
#undef EAFNOSUPPORT
#define EAFNOSUPPORT WSAEAFNOSUPPORT
#undef EALREADY
#define EALREADY WSAEALREADY
#undef EBADF
#define EBADF WSAEBADF
#undef ECONNABORTED
#define ECONNABORTED WSAECONNABORTED
#undef ECONNREFUSED
#define ECONNREFUSED WSAECONNREFUSED
#undef ECONNRESET
#define ECONNRESET WSAECONNRESET
#undef EDESTADDRREQ
#define EDESTADDRREQ WSAEDESTADDRREQ
#undef EFAULT
#define EFAULT WSAEFAULT
#undef EHOSTDOWN
#define EHOSTDOWN WSAEHOSTDOWN
#undef EHOSTUNREACH
#define EHOSTUNREACH WSAEHOSTUNREACH
#undef EINPROGRESS
#define EINPROGRESS WSAEINPROGRESS
#undef EINTR
#define EINTR WSAEINTR
#undef EINVAL
#define EINVAL WSAEINVAL
#undef EIO
#define EIO WSAEDISCON
#undef EISCONN
#define EISCONN WSAEISCONN
#undef ELOOP
#define ELOOP WSAELOOP
#undef EMFILE
#define EMFILE WSAEMFILE
#undef EMSGSIZE
#define EMSGSIZE WSAEMSGSIZE
#undef ENAMETOOLONG
#define ENAMETOOLONG WSAENAMETOOLONG
#undef ENETDOWN
#define ENETDOWN WSAENETDOWN
#undef ENETRESET
#define ENETRESET WSAENETRESET
#undef ENETUNREACH
#define ENETUNREACH WSAENETUNREACH
#undef ENOBUFS
#define ENOBUFS WSAENOBUFS
#undef ENOPROTOOPT
#define ENOPROTOOPT WSAENOPROTOOPT
#undef ENOTCONN
#define ENOTCONN WSAENOTCONN
#undef ENOTSOCK
#define ENOTSOCK WSAENOTSOCK
#undef EOPNOTSUPP
#define EOPNOTSUPP WSAEOPNOTSUPP
#undef EPFNOSUPPORT
#define EPFNOSUPPORT WSAEPFNOSUPPORT
#undef EPROTONOSUPPORT
#define EPROTONOSUPPORT WSAEPROTONOSUPPORT
#undef EPROTOTYPE
#define EPROTOTYPE WSAEPROTOTYPE
#undef ESHUTDOWN
#define ESHUTDOWN WSAESHUTDOWN
#undef ESOCKTNOSUPPORT
#define ESOCKTNOSUPPORT WSAESOCKTNOSUPPORT
#undef ETIMEDOUT
#define ETIMEDOUT WSAETIMEDOUT
#undef ETOOMANYREFS
#define ETOOMANYREFS WSAETOOMANYREFS
#undef EWOULDBLOCK
#define EWOULDBLOCK WSAEWOULDBLOCK
#define SHUT_RD SD_RECEIVE
#define SHUT_WR SD_SEND
#define SHUT_RDWR SD_BOTH
#endif
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#elif defined(VMS)
/* Allow a large number of fds for select. */
#define FD_SETSIZE 4096
#ifndef IN_RTS
/* These DEC C headers are not available when building with GCC. Order is
important. */
#include <time.h>
#include <tcp.h>
#include <in.h>
#include <ioctl.h>
#include <netdb.h>
#endif
#endif
#include <limits.h>
#include <errno.h>
#include <stddef.h>
#if defined (__vxworks) && ! defined (__RTP__)
#include <sys/times.h>
#else
#include <sys/time.h>
#endif
#if defined(__rtems__)
#include <unistd.h>
/* Required, for read(), write(), and close() */
#endif
/*
* RTEMS has these .h files but not until you have built and installed RTEMS.
* When building a C/C++ toolset, you also build the newlib C library, so the
* build procedure for an RTEMS GNAT toolset requires that you build a C/C++
* toolset, then build and install RTEMS with --enable-multilib, and finally
* build the Ada part of the toolset.
*/
#if !(defined (VMS) || defined (__MINGW32__))
#include <sys/socket.h>
#include <sys/un.h>
#include <net/if.h>
#include <netinet/in.h>
#include <netinet/tcp.h>
#include <sys/ioctl.h>
#include <netdb.h>
#include <unistd.h>
#endif
#ifdef __ANDROID__
#include <unistd.h>
#include <sys/select.h>
#endif
#if defined (_AIX) || defined (__FreeBSD__) || defined (__hpux__) || \
defined (_WIN32) || defined (__APPLE__) || defined (__ANDROID__) || \
defined (__DragonFly__) || defined (__NetBSD__) || defined (__OpenBSD__)
# define HAVE_THREAD_SAFE_GETxxxBYyyy 1
#elif defined (__linux__) || defined (__GLIBC__) || \
(defined (__sun__) && !defined (__vxworks)) || \
defined (__rtems__)
# define HAVE_GETxxxBYyyy_R 1
#endif
/*
* Properties of the unerlying NetDB library:
* Need_Netdb_Buffer __gnat_getXXXbyYYY expects a caller-supplied buffer
* Need_Netdb_Lock __gnat_getXXXbyYYY expects the caller to ensure
* mutual exclusion
*
* See "Handling of gethostbyname, gethostbyaddr, getservbyname and
* getservbyport" in socket.c for details.
*/
#if defined (HAVE_GETxxxBYyyy_R)
# define Need_Netdb_Buffer 1
# define Need_Netdb_Lock 0
#else
# define Need_Netdb_Buffer 0
# if !defined (HAVE_THREAD_SAFE_GETxxxBYyyy)
# define Need_Netdb_Lock 1
# else
# define Need_Netdb_Lock 0
# endif
#endif
# define Has_Sockaddr_Len (offsetof(struct sockaddr_in, sin_family) != 0)
#if !(defined (_WIN32) || defined (__hpux__) || defined (VMS))
# define HAVE_INET_PTON
# define HAVE_INET_NTOP
#endif
#endif /* defined(VTHREADS) */
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