X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fsys_socket.in.h;h=c42497d049ddf82e44f4b0e0df830f0b0dc080d2;hb=1d71dc7c690b5fe61e3e0c06303ffb59434bba4b;hp=1422faeffb8284b6f0e4f13ca5c72270b7deeaf7;hpb=47a2ecab8b9f84c86a294aec0edc791dd8a1fdd2;p=gnulib.git diff --git a/lib/sys_socket.in.h b/lib/sys_socket.in.h index 1422faeff..c42497d04 100644 --- a/lib/sys_socket.in.h +++ b/lib/sys_socket.in.h @@ -1,6 +1,6 @@ /* Provide a sys/socket header file for systems lacking it (read: MinGW) and for systems where it is incomplete. - Copyright (C) 2005-2008 Free Software Foundation, Inc. + Copyright (C) 2005-2011 Free Software Foundation, Inc. Written by Simon Josefsson. This program is free software; you can redistribute it and/or modify @@ -23,23 +23,96 @@ 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@ -@PRAGMA_SYSTEM_HEADER@ +# 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 _GL_SYS_SOCKET_H -#define _GL_SYS_SOCKET_H +#ifndef _@GUARD_PREFIX@_SYS_SOCKET_H +#define _@GUARD_PREFIX@_SYS_SOCKET_H + +/* 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 + +#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 !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@ @@ -74,12 +147,11 @@ 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 @@ -98,29 +170,42 @@ # define SHUT_RDWR SD_BOTH # endif -/* The definition of GL_LINK_WARNING is copied here. */ - # 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 -# ifdef __cplusplus -extern "C" { -# endif +/* 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; +}; -# if @HAVE_WINSOCK2_H@ +#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. */ static inline int -rpl_fd_isset (int fd, fd_set * set) +rpl_fd_isset (SOCKET fd, fd_set * set) { - int i; + u_int i; if (set == NULL) return 0; @@ -131,272 +216,468 @@ rpl_fd_isset (int fd, fd_set * set) return 0; } -# undef FD_ISSET -# define FD_ISSET(fd, set) rpl_fd_isset(fd, set) - +# define GNULIB_defined_rpl_fd_isset 1 # endif -/* Wrap everything else to use libc file descriptors for sockets. */ +# undef FD_ISSET +# define FD_ISSET(fd, set) rpl_fd_isset(fd, set) + +#endif -# if @HAVE_WINSOCK2_H@ && !defined _GL_UNISTD_H -# undef close -# define close close_used_without_including_unistd_h +/* 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 @GNULIB_SOCKET@ +# if @HAVE_WINSOCK2_H@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) # undef socket -# define socket rpl_socket -extern int rpl_socket (int, int, int protocol); +# define socket rpl_socket # endif -# elif @HAVE_WINSOCK2_H@ -# undef socket -# define socket socket_used_without_requesting_gnulib_module_socket -# elif defined GNULIB_POSIXCHECK -# undef socket -# define socket(d,t,p) \ - (GL_LINK_WARNING ("socket is not always POSIX compliant - " \ - "use gnulib module socket for portability"), \ - socket (d, t, p)) -# endif - -# if @GNULIB_CONNECT@ -# if @HAVE_WINSOCK2_H@ +_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 -extern int rpl_connect (int, struct sockaddr *, int); +# define connect rpl_connect # endif -# elif @HAVE_WINSOCK2_H@ -# undef connect -# define connect socket_used_without_requesting_gnulib_module_connect -# elif defined GNULIB_POSIXCHECK -# undef connect -# define connect(s,a,l) \ - (GL_LINK_WARNING ("connect is not always POSIX compliant - " \ - "use gnulib module connect for portability"), \ - connect (s, a, l)) -# endif - -# if @GNULIB_ACCEPT@ -# if @HAVE_WINSOCK2_H@ +_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 + +#if @GNULIB_ACCEPT@ +# if @HAVE_WINSOCK2_H@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) # undef accept -# define accept rpl_accept -extern int rpl_accept (int, struct sockaddr *, int *); +# define accept rpl_accept # endif -# elif @HAVE_WINSOCK2_H@ -# undef accept -# define accept accept_used_without_requesting_gnulib_module_accept -# elif defined GNULIB_POSIXCHECK -# undef accept -# define accept(s,a,l) \ - (GL_LINK_WARNING ("accept is not always POSIX compliant - " \ - "use gnulib module accept for portability"), \ - accept (s, a, l)) -# endif - -# if @GNULIB_BIND@ -# if @HAVE_WINSOCK2_H@ +_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 -extern int rpl_bind (int, struct sockaddr *, int); +# define bind rpl_bind # endif -# elif @HAVE_WINSOCK2_H@ -# undef bind -# define bind bind_used_without_requesting_gnulib_module_bind -# elif defined GNULIB_POSIXCHECK -# undef bind -# define bind(s,a,l) \ - (GL_LINK_WARNING ("bind is not always POSIX compliant - " \ - "use gnulib module bind for portability"), \ - bind (s, a, l)) -# endif - -# if @GNULIB_GETPEERNAME@ -# if @HAVE_WINSOCK2_H@ +_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 -extern int rpl_getpeername (int, struct sockaddr *, int *); +# define getpeername rpl_getpeername # endif -# elif @HAVE_WINSOCK2_H@ -# undef getpeername -# define getpeername getpeername_used_without_requesting_gnulib_module_getpeername -# elif defined GNULIB_POSIXCHECK -# undef getpeername -# define getpeername(s,a,l) \ - (GL_LINK_WARNING ("getpeername is not always POSIX compliant - " \ - "use gnulib module getpeername for portability"), \ - getpeername (s, a, l)) -# endif - -# if @GNULIB_GETSOCKNAME@ -# if @HAVE_WINSOCK2_H@ +_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 -extern int rpl_getsockname (int, struct sockaddr *, int *); +# define getsockname rpl_getsockname # endif -# elif @HAVE_WINSOCK2_H@ -# undef getsockname -# define getsockname getsockname_used_without_requesting_gnulib_module_getsockname -# elif defined GNULIB_POSIXCHECK -# undef getsockname -# define getsockname(s,a,l) \ - (GL_LINK_WARNING ("getsockname is not always POSIX compliant - " \ - "use gnulib module getsockname for portability"), \ - getsockname (s, a, l)) -# endif - -# if @GNULIB_GETSOCKOPT@ -# if @HAVE_WINSOCK2_H@ +_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 -extern int rpl_getsockopt (int, int, int, void *, int *); +# define getsockopt rpl_getsockopt # endif -# elif @HAVE_WINSOCK2_H@ -# undef getsockopt -# define getsockopt getsockopt_used_without_requesting_gnulib_module_getsockopt -# elif defined GNULIB_POSIXCHECK -# undef getsockopt -# define getsockopt(s,lvl,o,v,l) \ - (GL_LINK_WARNING ("getsockopt is not always POSIX compliant - " \ - "use gnulib module getsockopt for portability"), \ - getsockopt (s, lvl, o, v, l)) -# endif - -# if @GNULIB_LISTEN@ -# if @HAVE_WINSOCK2_H@ +_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 -extern int rpl_listen (int, int); +# define listen rpl_listen # endif -# elif @HAVE_WINSOCK2_H@ -# undef listen -# define listen listen_used_without_requesting_gnulib_module_listen -# elif defined GNULIB_POSIXCHECK -# undef listen -# define listen(s,b) \ - (GL_LINK_WARNING ("listen is not always POSIX compliant - " \ - "use gnulib module listen for portability"), \ - listen (s, b)) -# endif - -# if @GNULIB_RECV@ -# if @HAVE_WINSOCK2_H@ +_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 -extern int rpl_recv (int, void *, int, int); +# define recv rpl_recv # endif -# elif @HAVE_WINSOCK2_H@ -# undef recv -# define recv recv_used_without_requesting_gnulib_module_recv -# elif defined GNULIB_POSIXCHECK -# undef recv -# define recv(s,b,n,f) \ - (GL_LINK_WARNING ("recv is not always POSIX compliant - " \ - "use gnulib module recv for portability"), \ - recv (s, b, n, f)) -# endif - -# if @GNULIB_SEND@ -# if @HAVE_WINSOCK2_H@ +_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 -extern int rpl_send (int, const void *, int, int); +# define send rpl_send # endif -# elif @HAVE_WINSOCK2_H@ -# undef send -# define send send_used_without_requesting_gnulib_module_send -# elif defined GNULIB_POSIXCHECK -# undef send -# define send(s,b,n,f) \ - (GL_LINK_WARNING ("send is not always POSIX compliant - " \ - "use gnulib module send for portability"), \ - send (s, b, n, f)) -# endif - -# if @GNULIB_RECVFROM@ -# if @HAVE_WINSOCK2_H@ +_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 -extern int rpl_recvfrom (int, void *, int, int, struct sockaddr *, int *); +# define recvfrom rpl_recvfrom # endif -# elif @HAVE_WINSOCK2_H@ -# undef recvfrom -# define recvfrom recvfrom_used_without_requesting_gnulib_module_recvfrom -# elif defined GNULIB_POSIXCHECK -# undef recvfrom -# define recvfrom(s,b,n,f,a,l) \ - (GL_LINK_WARNING ("recvfrom is not always POSIX compliant - " \ - "use gnulib module recvfrom for portability"), \ - recvfrom (s, b, n, f, a, l)) -# endif - -# if @GNULIB_SENDTO@ -# if @HAVE_WINSOCK2_H@ +_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 -extern int rpl_sendto (int, const void *, int, int, struct sockaddr *, int); +# define sendto rpl_sendto # endif -# elif @HAVE_WINSOCK2_H@ -# undef sendto -# define sendto sendto_used_without_requesting_gnulib_module_sendto -# elif defined GNULIB_POSIXCHECK -# undef sendto -# define sendto(s,b,n,f,a,l) \ - (GL_LINK_WARNING ("sendto is not always POSIX compliant - " \ - "use gnulib module sendto for portability"), \ - sendto (s, b, n, f, a, l)) -# endif - -# if @GNULIB_SETSOCKOPT@ -# if @HAVE_WINSOCK2_H@ +_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 -extern int rpl_setsockopt (int, int, int, const void *, int); -# endif -# elif @HAVE_WINSOCK2_H@ -# undef setsockopt -# define setsockopt setsockopt_used_without_requesting_gnulib_module_setsockopt -# elif defined GNULIB_POSIXCHECK -# undef setsockopt -# define setsockopt(s,lvl,o,v,l) \ - (GL_LINK_WARNING ("setsockopt is not always POSIX compliant - " \ - "use gnulib module setsockopt for portability"), \ - setsockopt (s, lvl, o, v, l)) -# endif - -# if @GNULIB_SHUTDOWN@ -# if @HAVE_WINSOCK2_H@ -# undef shutdown -# define shutdown rpl_shutdown -extern int rpl_shutdown (int, int); +# define setsockopt rpl_setsockopt # endif -# elif @HAVE_WINSOCK2_H@ -# undef shutdown -# define shutdown shutdown_used_without_requesting_gnulib_module_shutdown -# elif defined GNULIB_POSIXCHECK -# undef shutdown -# define shutdown(s,h) \ - (GL_LINK_WARNING ("shutdown is not always POSIX compliant - " \ - "use gnulib module shutdown for portability"), \ - shutdown (s, h)) +_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@ -# undef select -# define select select_used_without_including_sys_select_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 - -# if @GNULIB_CLOSE@ && @HAVE_WINSOCK2_H@ -/* gnulib internal function. */ -# define HAVE__GL_CLOSE_FD_MAYBE_SOCKET 1 -extern int _gl_close_fd_maybe_socket (int fd); +_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 -# ifdef __cplusplus -} +#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 -#endif /* HAVE_SYS_SOCKET_H */ - -#endif /* _GL_SYS_SOCKET_H */ -#endif /* _GL_SYS_SOCKET_H */ +#endif /* _@GUARD_PREFIX@_SYS_SOCKET_H */ +#endif /* _@GUARD_PREFIX@_SYS_SOCKET_H */ +#endif