X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fsys_socket.in.h;h=8f64363ea42220b8dce3e43d6b575c2c5090627b;hb=23eecb48e39afd0d267d64d40ba6bf97aa865e13;hp=c25b6ab842071e6008d01533f38902323432ceac;hpb=6bce7636fbce453498c8c5b14f036b2e19de6d22;p=gnulib.git diff --git a/lib/sys_socket.in.h b/lib/sys_socket.in.h index c25b6ab84..8f64363ea 100644 --- a/lib/sys_socket.in.h +++ b/lib/sys_socket.in.h @@ -1,5 +1,6 @@ -/* 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 @@ -13,31 +14,133 @@ 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 . */ -/* This file is supposed to be used on platforms that lack - and on platforms where cannot be included standalone. +/* This file is supposed to be used on platforms that lack , + on platforms where cannot be included standalone, and on + platforms where 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 + -> -> -> , + and the latter includes . 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, assumes prior inclusion of . */ # include +/* On FreeBSD 6.4, defines some macros that assume that NULL + is defined. */ +# include + /* 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 +/* 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 +#endif + +#if @HAVE_SYS_SOCKET_H@ + +/* A platform that has . */ + +/* 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 . @@ -47,16 +150,15 @@ 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 + suggests that getaddrinfo should be available on all Windows releases. */ - # if @HAVE_WINSOCK2_H@ # include # endif @@ -75,17 +177,516 @@ # 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 +# include + +# 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 . */ + +#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 . */ + +#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 "); +# 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 "); +# 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 "); +# 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 ) + and O_TEXT, O_BINARY (defined in "binary-io.h"). + See also the Linux man page at + . */ +# 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