-/* Provide a sys/socket header file for systems lacking it (read: MinGW).
- Copyright (C) 2005, 2006, 2007 Free Software Foundation, Inc.
+/* Provide a sys/socket header file for systems lacking it (read: MinGW)
+ and for systems where it is incomplete.
+ Copyright (C) 2005-2013 Free Software Foundation, Inc.
Written by Simon Josefsson.
This program is free software; you can redistribute it and/or modify
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software Foundation,
- Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+ along with this program; if not, see <http://www.gnu.org/licenses/>. */
-/* This file is supposed to be used on platforms that lack <sys/socket.h>
- and on platforms where <sys/socket.h> cannot be included standalone.
+/* This file is supposed to be used on platforms that lack <sys/socket.h>,
+ on platforms where <sys/socket.h> cannot be included standalone, and on
+ platforms where <sys/socket.h> does not provide all necessary definitions.
It is intended to provide definitions and prototypes needed by an
application. */
-#ifndef _GL_SYS_SOCKET_H
+#if __GNUC__ >= 3
+@PRAGMA_SYSTEM_HEADER@
+#endif
+@PRAGMA_COLUMNS@
+
+#if defined _GL_ALREADY_INCLUDING_SYS_SOCKET_H
+/* Special invocation convention:
+ - On Cygwin 1.5.x we have a sequence of nested includes
+ <sys/socket.h> -> <cygwin/socket.h> -> <asm/socket.h> -> <cygwin/if.h>,
+ and the latter includes <sys/socket.h>. In this situation, the functions
+ are not yet declared, therefore we cannot provide the C++ aliases. */
+
+#@INCLUDE_NEXT@ @NEXT_SYS_SOCKET_H@
+
+#else
+/* Normal invocation convention. */
+
+#ifndef _@GUARD_PREFIX@_SYS_SOCKET_H
#if @HAVE_SYS_SOCKET_H@
+# define _GL_ALREADY_INCLUDING_SYS_SOCKET_H
+
/* On many platforms, <sys/socket.h> assumes prior inclusion of
<sys/types.h>. */
# include <sys/types.h>
+/* On FreeBSD 6.4, <sys/socket.h> defines some macros that assume that NULL
+ is defined. */
+# include <stddef.h>
+
/* The include_next requires a split double-inclusion guard. */
# @INCLUDE_NEXT@ @NEXT_SYS_SOCKET_H@
+# undef _GL_ALREADY_INCLUDING_SYS_SOCKET_H
+
+#endif
+
+#ifndef _@GUARD_PREFIX@_SYS_SOCKET_H
+#define _@GUARD_PREFIX@_SYS_SOCKET_H
+
+#ifndef _GL_INLINE_HEADER_BEGIN
+ #error "Please include config.h first."
+#endif
+_GL_INLINE_HEADER_BEGIN
+#ifndef _GL_SYS_SOCKET_INLINE
+# define _GL_SYS_SOCKET_INLINE _GL_INLINE
+#endif
+
+/* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */
+
+/* The definition of _GL_ARG_NONNULL is copied here. */
+
+/* The definition of _GL_WARN_ON_USE is copied here. */
+
+#if !@HAVE_SA_FAMILY_T@
+# if !GNULIB_defined_sa_family_t
+typedef unsigned short sa_family_t;
+# define GNULIB_defined_sa_family_t 1
+# endif
#endif
-#ifndef _GL_SYS_SOCKET_H
-#define _GL_SYS_SOCKET_H
+#if @HAVE_STRUCT_SOCKADDR_STORAGE@
+/* Make the 'struct sockaddr_storage' field 'ss_family' visible on AIX 7.1. */
+# if !@HAVE_STRUCT_SOCKADDR_STORAGE_SS_FAMILY@
+# ifndef ss_family
+# define ss_family __ss_family
+# endif
+# endif
+#else
+# include <stdalign.h>
+/* Code taken from glibc sysdeps/unix/sysv/linux/bits/socket.h on
+ 2009-05-08, licensed under LGPLv2.1+, plus portability fixes. */
+# define __ss_aligntype unsigned long int
+# define _SS_SIZE 256
+# define _SS_PADSIZE \
+ (_SS_SIZE - ((sizeof (sa_family_t) >= alignof (__ss_aligntype) \
+ ? sizeof (sa_family_t) \
+ : alignof (__ss_aligntype)) \
+ + sizeof (__ss_aligntype)))
-#if !@HAVE_SYS_SOCKET_H@
+# if !GNULIB_defined_struct_sockaddr_storage
+struct sockaddr_storage
+{
+ sa_family_t ss_family; /* Address family, etc. */
+ __ss_aligntype __ss_align; /* Force desired alignment. */
+ char __ss_padding[_SS_PADSIZE];
+};
+# define GNULIB_defined_struct_sockaddr_storage 1
+# endif
+
+#endif
+
+/* Get struct iovec. */
+/* But avoid namespace pollution on glibc systems. */
+#if ! defined __GLIBC__
+# include <sys/uio.h>
+#endif
+
+#if @HAVE_SYS_SOCKET_H@
+
+/* A platform that has <sys/socket.h>. */
+
+/* For shutdown(). */
+# if !defined SHUT_RD
+# define SHUT_RD 0
+# endif
+# if !defined SHUT_WR
+# define SHUT_WR 1
+# endif
+# if !defined SHUT_RDWR
+# define SHUT_RDWR 2
+# endif
+
+#else
+
+# ifdef __CYGWIN__
+# error "Cygwin does have a sys/socket.h, doesn't it?!?"
+# endif
/* A platform that lacks <sys/socket.h>.
that you can influence which definitions you get by setting the
WINVER symbol before including these two files. For example,
getaddrinfo is only available if _WIN32_WINNT >= 0x0501 (that
- symbol is set indiriectly through WINVER). You can set this by
+ symbol is set indirectly through WINVER). You can set this by
adding AC_DEFINE(WINVER, 0x0501) to configure.ac. Note that your
code may not run on older Windows releases then. My Windows 2000
box was not able to run the code, for example. The situation is
- slightly confusing because:
- http://msdn.microsoft.com/library/default.asp?url=/library/en-us/winsock/winsock/getaddrinfo_2.asp
+ slightly confusing because
+ <http://msdn.microsoft.com/en-us/library/ms738520>
suggests that getaddrinfo should be available on all Windows
releases. */
-
# if @HAVE_WINSOCK2_H@
# include <winsock2.h>
# endif
# define SHUT_RDWR SD_BOTH
# endif
-# if defined _WIN32 || defined __WIN32__
-# define ENOTSOCK WSAENOTSOCK
-# define EADDRINUSE WSAEADDRINUSE
-# define ENETRESET WSAENETRESET
-# define ECONNABORTED WSAECONNABORTED
-# define ECONNRESET WSAECONNRESET
-# define ENOTCONN WSAENOTCONN
-# define ESHUTDOWN WSAESHUTDOWN
+# if @HAVE_WINSOCK2_H@
+/* Include headers needed by the emulation code. */
+# include <sys/types.h>
+# include <io.h>
+
+# if !GNULIB_defined_socklen_t
+typedef int socklen_t;
+# define GNULIB_defined_socklen_t 1
+# endif
+
# endif
-#endif /* HAVE_SYS_SOCKET_H */
+/* Rudimentary 'struct msghdr'; this works as long as you don't try to
+ access msg_control or msg_controllen. */
+struct msghdr {
+ void *msg_name;
+ socklen_t msg_namelen;
+ struct iovec *msg_iov;
+ int msg_iovlen;
+ int msg_flags;
+};
+
+#endif
+
+/* Fix some definitions from <winsock2.h>. */
+
+#if @HAVE_WINSOCK2_H@
+
+# if !GNULIB_defined_rpl_fd_isset
+
+/* Re-define FD_ISSET to avoid a WSA call while we are not using
+ network sockets. */
+_GL_SYS_SOCKET_INLINE int
+rpl_fd_isset (SOCKET fd, fd_set * set)
+{
+ u_int i;
+ if (set == NULL)
+ return 0;
+
+ for (i = 0; i < set->fd_count; i++)
+ if (set->fd_array[i] == fd)
+ return 1;
+
+ return 0;
+}
+
+# define GNULIB_defined_rpl_fd_isset 1
+# endif
+
+# undef FD_ISSET
+# define FD_ISSET(fd, set) rpl_fd_isset(fd, set)
+
+#endif
+
+/* Hide some function declarations from <winsock2.h>. */
+
+#if @HAVE_WINSOCK2_H@
+# if !defined _@GUARD_PREFIX@_UNISTD_H
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef close
+# define close close_used_without_including_unistd_h
+# else
+ _GL_WARN_ON_USE (close,
+ "close() used without including <unistd.h>");
+# endif
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef gethostname
+# define gethostname gethostname_used_without_including_unistd_h
+# else
+ _GL_WARN_ON_USE (gethostname,
+ "gethostname() used without including <unistd.h>");
+# endif
+# endif
+# if !defined _@GUARD_PREFIX@_SYS_SELECT_H
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef select
+# define select select_used_without_including_sys_select_h
+# else
+ _GL_WARN_ON_USE (select,
+ "select() used without including <sys/select.h>");
+# endif
+# endif
+#endif
+
+/* Wrap everything else to use libc file descriptors for sockets. */
+
+#if @GNULIB_SOCKET@
+# if @HAVE_WINSOCK2_H@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef socket
+# define socket rpl_socket
+# endif
+_GL_FUNCDECL_RPL (socket, int, (int domain, int type, int protocol));
+_GL_CXXALIAS_RPL (socket, int, (int domain, int type, int protocol));
+# else
+_GL_CXXALIAS_SYS (socket, int, (int domain, int type, int protocol));
+# endif
+_GL_CXXALIASWARN (socket);
+#elif @HAVE_WINSOCK2_H@
+# undef socket
+# define socket socket_used_without_requesting_gnulib_module_socket
+#elif defined GNULIB_POSIXCHECK
+# undef socket
+# if HAVE_RAW_DECL_SOCKET
+_GL_WARN_ON_USE (socket, "socket is not always POSIX compliant - "
+ "use gnulib module socket for portability");
+# endif
+#endif
+
+#if @GNULIB_CONNECT@
+# if @HAVE_WINSOCK2_H@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef connect
+# define connect rpl_connect
+# endif
+_GL_FUNCDECL_RPL (connect, int,
+ (int fd, const struct sockaddr *addr, socklen_t addrlen)
+ _GL_ARG_NONNULL ((2)));
+_GL_CXXALIAS_RPL (connect, int,
+ (int fd, const struct sockaddr *addr, socklen_t addrlen));
+# else
+/* Need to cast, because on NonStop Kernel, the third parameter is
+ size_t addrlen. */
+_GL_CXXALIAS_SYS_CAST (connect, int,
+ (int fd,
+ const struct sockaddr *addr, socklen_t addrlen));
+# endif
+_GL_CXXALIASWARN (connect);
+#elif @HAVE_WINSOCK2_H@
+# undef connect
+# define connect socket_used_without_requesting_gnulib_module_connect
+#elif defined GNULIB_POSIXCHECK
+# undef connect
+# if HAVE_RAW_DECL_CONNECT
+_GL_WARN_ON_USE (connect, "connect is not always POSIX compliant - "
+ "use gnulib module connect for portability");
+# endif
+#endif
-#endif /* _GL_SYS_SOCKET_H */
-#endif /* _GL_SYS_SOCKET_H */
+#if @GNULIB_ACCEPT@
+# if @HAVE_WINSOCK2_H@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef accept
+# define accept rpl_accept
+# endif
+_GL_FUNCDECL_RPL (accept, int,
+ (int fd, struct sockaddr *addr, socklen_t *addrlen));
+_GL_CXXALIAS_RPL (accept, int,
+ (int fd, struct sockaddr *addr, socklen_t *addrlen));
+# else
+/* Need to cast, because on Solaris 10 systems, the third parameter is
+ void *addrlen. */
+_GL_CXXALIAS_SYS_CAST (accept, int,
+ (int fd, struct sockaddr *addr, socklen_t *addrlen));
+# endif
+_GL_CXXALIASWARN (accept);
+#elif @HAVE_WINSOCK2_H@
+# undef accept
+# define accept accept_used_without_requesting_gnulib_module_accept
+#elif defined GNULIB_POSIXCHECK
+# undef accept
+# if HAVE_RAW_DECL_ACCEPT
+_GL_WARN_ON_USE (accept, "accept is not always POSIX compliant - "
+ "use gnulib module accept for portability");
+# endif
+#endif
+
+#if @GNULIB_BIND@
+# if @HAVE_WINSOCK2_H@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef bind
+# define bind rpl_bind
+# endif
+_GL_FUNCDECL_RPL (bind, int,
+ (int fd, const struct sockaddr *addr, socklen_t addrlen)
+ _GL_ARG_NONNULL ((2)));
+_GL_CXXALIAS_RPL (bind, int,
+ (int fd, const struct sockaddr *addr, socklen_t addrlen));
+# else
+/* Need to cast, because on NonStop Kernel, the third parameter is
+ size_t addrlen. */
+_GL_CXXALIAS_SYS_CAST (bind, int,
+ (int fd,
+ const struct sockaddr *addr, socklen_t addrlen));
+# endif
+_GL_CXXALIASWARN (bind);
+#elif @HAVE_WINSOCK2_H@
+# undef bind
+# define bind bind_used_without_requesting_gnulib_module_bind
+#elif defined GNULIB_POSIXCHECK
+# undef bind
+# if HAVE_RAW_DECL_BIND
+_GL_WARN_ON_USE (bind, "bind is not always POSIX compliant - "
+ "use gnulib module bind for portability");
+# endif
+#endif
+
+#if @GNULIB_GETPEERNAME@
+# if @HAVE_WINSOCK2_H@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef getpeername
+# define getpeername rpl_getpeername
+# endif
+_GL_FUNCDECL_RPL (getpeername, int,
+ (int fd, struct sockaddr *addr, socklen_t *addrlen)
+ _GL_ARG_NONNULL ((2, 3)));
+_GL_CXXALIAS_RPL (getpeername, int,
+ (int fd, struct sockaddr *addr, socklen_t *addrlen));
+# else
+/* Need to cast, because on Solaris 10 systems, the third parameter is
+ void *addrlen. */
+_GL_CXXALIAS_SYS_CAST (getpeername, int,
+ (int fd, struct sockaddr *addr, socklen_t *addrlen));
+# endif
+_GL_CXXALIASWARN (getpeername);
+#elif @HAVE_WINSOCK2_H@
+# undef getpeername
+# define getpeername getpeername_used_without_requesting_gnulib_module_getpeername
+#elif defined GNULIB_POSIXCHECK
+# undef getpeername
+# if HAVE_RAW_DECL_GETPEERNAME
+_GL_WARN_ON_USE (getpeername, "getpeername is not always POSIX compliant - "
+ "use gnulib module getpeername for portability");
+# endif
+#endif
+
+#if @GNULIB_GETSOCKNAME@
+# if @HAVE_WINSOCK2_H@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef getsockname
+# define getsockname rpl_getsockname
+# endif
+_GL_FUNCDECL_RPL (getsockname, int,
+ (int fd, struct sockaddr *addr, socklen_t *addrlen)
+ _GL_ARG_NONNULL ((2, 3)));
+_GL_CXXALIAS_RPL (getsockname, int,
+ (int fd, struct sockaddr *addr, socklen_t *addrlen));
+# else
+/* Need to cast, because on Solaris 10 systems, the third parameter is
+ void *addrlen. */
+_GL_CXXALIAS_SYS_CAST (getsockname, int,
+ (int fd, struct sockaddr *addr, socklen_t *addrlen));
+# endif
+_GL_CXXALIASWARN (getsockname);
+#elif @HAVE_WINSOCK2_H@
+# undef getsockname
+# define getsockname getsockname_used_without_requesting_gnulib_module_getsockname
+#elif defined GNULIB_POSIXCHECK
+# undef getsockname
+# if HAVE_RAW_DECL_GETSOCKNAME
+_GL_WARN_ON_USE (getsockname, "getsockname is not always POSIX compliant - "
+ "use gnulib module getsockname for portability");
+# endif
+#endif
+
+#if @GNULIB_GETSOCKOPT@
+# if @HAVE_WINSOCK2_H@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef getsockopt
+# define getsockopt rpl_getsockopt
+# endif
+_GL_FUNCDECL_RPL (getsockopt, int, (int fd, int level, int optname,
+ void *optval, socklen_t *optlen)
+ _GL_ARG_NONNULL ((4, 5)));
+_GL_CXXALIAS_RPL (getsockopt, int, (int fd, int level, int optname,
+ void *optval, socklen_t *optlen));
+# else
+/* Need to cast, because on Solaris 10 systems, the fifth parameter is
+ void *optlen. */
+_GL_CXXALIAS_SYS_CAST (getsockopt, int, (int fd, int level, int optname,
+ void *optval, socklen_t *optlen));
+# endif
+_GL_CXXALIASWARN (getsockopt);
+#elif @HAVE_WINSOCK2_H@
+# undef getsockopt
+# define getsockopt getsockopt_used_without_requesting_gnulib_module_getsockopt
+#elif defined GNULIB_POSIXCHECK
+# undef getsockopt
+# if HAVE_RAW_DECL_GETSOCKOPT
+_GL_WARN_ON_USE (getsockopt, "getsockopt is not always POSIX compliant - "
+ "use gnulib module getsockopt for portability");
+# endif
+#endif
+
+#if @GNULIB_LISTEN@
+# if @HAVE_WINSOCK2_H@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef listen
+# define listen rpl_listen
+# endif
+_GL_FUNCDECL_RPL (listen, int, (int fd, int backlog));
+_GL_CXXALIAS_RPL (listen, int, (int fd, int backlog));
+# else
+_GL_CXXALIAS_SYS (listen, int, (int fd, int backlog));
+# endif
+_GL_CXXALIASWARN (listen);
+#elif @HAVE_WINSOCK2_H@
+# undef listen
+# define listen listen_used_without_requesting_gnulib_module_listen
+#elif defined GNULIB_POSIXCHECK
+# undef listen
+# if HAVE_RAW_DECL_LISTEN
+_GL_WARN_ON_USE (listen, "listen is not always POSIX compliant - "
+ "use gnulib module listen for portability");
+# endif
+#endif
+
+#if @GNULIB_RECV@
+# if @HAVE_WINSOCK2_H@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef recv
+# define recv rpl_recv
+# endif
+_GL_FUNCDECL_RPL (recv, ssize_t, (int fd, void *buf, size_t len, int flags)
+ _GL_ARG_NONNULL ((2)));
+_GL_CXXALIAS_RPL (recv, ssize_t, (int fd, void *buf, size_t len, int flags));
+# else
+_GL_CXXALIAS_SYS (recv, ssize_t, (int fd, void *buf, size_t len, int flags));
+# endif
+_GL_CXXALIASWARN (recv);
+#elif @HAVE_WINSOCK2_H@
+# undef recv
+# define recv recv_used_without_requesting_gnulib_module_recv
+#elif defined GNULIB_POSIXCHECK
+# undef recv
+# if HAVE_RAW_DECL_RECV
+_GL_WARN_ON_USE (recv, "recv is not always POSIX compliant - "
+ "use gnulib module recv for portability");
+# endif
+#endif
+
+#if @GNULIB_SEND@
+# if @HAVE_WINSOCK2_H@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef send
+# define send rpl_send
+# endif
+_GL_FUNCDECL_RPL (send, ssize_t,
+ (int fd, const void *buf, size_t len, int flags)
+ _GL_ARG_NONNULL ((2)));
+_GL_CXXALIAS_RPL (send, ssize_t,
+ (int fd, const void *buf, size_t len, int flags));
+# else
+_GL_CXXALIAS_SYS (send, ssize_t,
+ (int fd, const void *buf, size_t len, int flags));
+# endif
+_GL_CXXALIASWARN (send);
+#elif @HAVE_WINSOCK2_H@
+# undef send
+# define send send_used_without_requesting_gnulib_module_send
+#elif defined GNULIB_POSIXCHECK
+# undef send
+# if HAVE_RAW_DECL_SEND
+_GL_WARN_ON_USE (send, "send is not always POSIX compliant - "
+ "use gnulib module send for portability");
+# endif
+#endif
+
+#if @GNULIB_RECVFROM@
+# if @HAVE_WINSOCK2_H@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef recvfrom
+# define recvfrom rpl_recvfrom
+# endif
+_GL_FUNCDECL_RPL (recvfrom, ssize_t,
+ (int fd, void *buf, size_t len, int flags,
+ struct sockaddr *from, socklen_t *fromlen)
+ _GL_ARG_NONNULL ((2)));
+_GL_CXXALIAS_RPL (recvfrom, ssize_t,
+ (int fd, void *buf, size_t len, int flags,
+ struct sockaddr *from, socklen_t *fromlen));
+# else
+/* Need to cast, because on Solaris 10 systems, the sixth parameter is
+ void *fromlen. */
+_GL_CXXALIAS_SYS_CAST (recvfrom, ssize_t,
+ (int fd, void *buf, size_t len, int flags,
+ struct sockaddr *from, socklen_t *fromlen));
+# endif
+_GL_CXXALIASWARN (recvfrom);
+#elif @HAVE_WINSOCK2_H@
+# undef recvfrom
+# define recvfrom recvfrom_used_without_requesting_gnulib_module_recvfrom
+#elif defined GNULIB_POSIXCHECK
+# undef recvfrom
+# if HAVE_RAW_DECL_RECVFROM
+_GL_WARN_ON_USE (recvfrom, "recvfrom is not always POSIX compliant - "
+ "use gnulib module recvfrom for portability");
+# endif
+#endif
+
+#if @GNULIB_SENDTO@
+# if @HAVE_WINSOCK2_H@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef sendto
+# define sendto rpl_sendto
+# endif
+_GL_FUNCDECL_RPL (sendto, ssize_t,
+ (int fd, const void *buf, size_t len, int flags,
+ const struct sockaddr *to, socklen_t tolen)
+ _GL_ARG_NONNULL ((2)));
+_GL_CXXALIAS_RPL (sendto, ssize_t,
+ (int fd, const void *buf, size_t len, int flags,
+ const struct sockaddr *to, socklen_t tolen));
+# else
+/* Need to cast, because on NonStop Kernel, the sixth parameter is
+ size_t tolen. */
+_GL_CXXALIAS_SYS_CAST (sendto, ssize_t,
+ (int fd, const void *buf, size_t len, int flags,
+ const struct sockaddr *to, socklen_t tolen));
+# endif
+_GL_CXXALIASWARN (sendto);
+#elif @HAVE_WINSOCK2_H@
+# undef sendto
+# define sendto sendto_used_without_requesting_gnulib_module_sendto
+#elif defined GNULIB_POSIXCHECK
+# undef sendto
+# if HAVE_RAW_DECL_SENDTO
+_GL_WARN_ON_USE (sendto, "sendto is not always POSIX compliant - "
+ "use gnulib module sendto for portability");
+# endif
+#endif
+
+#if @GNULIB_SETSOCKOPT@
+# if @HAVE_WINSOCK2_H@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef setsockopt
+# define setsockopt rpl_setsockopt
+# endif
+_GL_FUNCDECL_RPL (setsockopt, int, (int fd, int level, int optname,
+ const void * optval, socklen_t optlen)
+ _GL_ARG_NONNULL ((4)));
+_GL_CXXALIAS_RPL (setsockopt, int, (int fd, int level, int optname,
+ const void * optval, socklen_t optlen));
+# else
+/* Need to cast, because on NonStop Kernel, the fifth parameter is
+ size_t optlen. */
+_GL_CXXALIAS_SYS_CAST (setsockopt, int,
+ (int fd, int level, int optname,
+ const void * optval, socklen_t optlen));
+# endif
+_GL_CXXALIASWARN (setsockopt);
+#elif @HAVE_WINSOCK2_H@
+# undef setsockopt
+# define setsockopt setsockopt_used_without_requesting_gnulib_module_setsockopt
+#elif defined GNULIB_POSIXCHECK
+# undef setsockopt
+# if HAVE_RAW_DECL_SETSOCKOPT
+_GL_WARN_ON_USE (setsockopt, "setsockopt is not always POSIX compliant - "
+ "use gnulib module setsockopt for portability");
+# endif
+#endif
+
+#if @GNULIB_SHUTDOWN@
+# if @HAVE_WINSOCK2_H@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef shutdown
+# define shutdown rpl_shutdown
+# endif
+_GL_FUNCDECL_RPL (shutdown, int, (int fd, int how));
+_GL_CXXALIAS_RPL (shutdown, int, (int fd, int how));
+# else
+_GL_CXXALIAS_SYS (shutdown, int, (int fd, int how));
+# endif
+_GL_CXXALIASWARN (shutdown);
+#elif @HAVE_WINSOCK2_H@
+# undef shutdown
+# define shutdown shutdown_used_without_requesting_gnulib_module_shutdown
+#elif defined GNULIB_POSIXCHECK
+# undef shutdown
+# if HAVE_RAW_DECL_SHUTDOWN
+_GL_WARN_ON_USE (shutdown, "shutdown is not always POSIX compliant - "
+ "use gnulib module shutdown for portability");
+# endif
+#endif
+
+#if @GNULIB_ACCEPT4@
+/* Accept a connection on a socket, with specific opening flags.
+ The flags are a bitmask, possibly including O_CLOEXEC (defined in <fcntl.h>)
+ and O_TEXT, O_BINARY (defined in "binary-io.h").
+ See also the Linux man page at
+ <http://www.kernel.org/doc/man-pages/online/pages/man2/accept4.2.html>. */
+# if @HAVE_ACCEPT4@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# define accept4 rpl_accept4
+# endif
+_GL_FUNCDECL_RPL (accept4, int,
+ (int sockfd, struct sockaddr *addr, socklen_t *addrlen,
+ int flags));
+_GL_CXXALIAS_RPL (accept4, int,
+ (int sockfd, struct sockaddr *addr, socklen_t *addrlen,
+ int flags));
+# else
+_GL_FUNCDECL_SYS (accept4, int,
+ (int sockfd, struct sockaddr *addr, socklen_t *addrlen,
+ int flags));
+_GL_CXXALIAS_SYS (accept4, int,
+ (int sockfd, struct sockaddr *addr, socklen_t *addrlen,
+ int flags));
+# endif
+_GL_CXXALIASWARN (accept4);
+#elif defined GNULIB_POSIXCHECK
+# undef accept4
+# if HAVE_RAW_DECL_ACCEPT4
+_GL_WARN_ON_USE (accept4, "accept4 is unportable - "
+ "use gnulib module accept4 for portability");
+# endif
+#endif
+
+_GL_INLINE_HEADER_END
+
+#endif /* _@GUARD_PREFIX@_SYS_SOCKET_H */
+#endif /* _@GUARD_PREFIX@_SYS_SOCKET_H */
+#endif
projects / gnulib.git / blobdiff