Mercurial > hg > octave-lojdl > gnulib-hg
changeset 12945:3df573edd305
sys_socket: Avoid #define replacements in C++ mode.
| author | Bruno Haible <bruno@clisp.org> |
|---|---|
| date | Mon, 08 Mar 2010 01:38:28 +0100 |
| parents | e105c6e52c5d |
| children | 9e4da0c0da6a |
| files | ChangeLog lib/sys_socket.in.h modules/sys_socket |
| diffstat | 3 files changed, 360 insertions(+), 201 deletions(-) [+] |
line wrap: on
line diff
--- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,15 @@ 2010-03-07 Bruno Haible <bruno@clisp.org> + sys_socket: Avoid #define replacements in C++ mode. + * lib/sys_socket.in.h: Handle the case of recursive include on Cygwin. + Include c++defs.h. Include warn-on-use.h earlier. Enable the function + definitions also when the system has a <sys/socket.h>. + (socket, connect, accept, bind, getpeername, getsockname, getsockopt, + listen, recv, send, recvfrom, sendto, setsockopt, shutdown, accept4): + In C++, define a namespaced alias symbol. + * modules/sys_socket (Depends-on): Add c++defs. + (Makefile.am): Update sys/socket.h rule. + sys_select: Avoid #define replacements in C++ mode. * lib/sys_select.in.h: Include c++defs.h. Enable the function definitions also when the system has a <sys/select.h>.
--- a/lib/sys_socket.in.h +++ b/lib/sys_socket.in.h @@ -23,10 +23,24 @@ It is intended to provide definitions and prototypes needed by an application. */ +#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 _GL_SYS_SOCKET_H #if @HAVE_SYS_SOCKET_H@ +# define _GL_ALREADY_INCLUDING_SYS_SOCKET_H + # if __GNUC__ >= 3 @PRAGMA_SYSTEM_HEADER@ # endif @@ -38,13 +52,19 @@ /* 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 +/* 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@ typedef unsigned short sa_family_t; #endif @@ -126,8 +146,6 @@ # define SHUT_RDWR SD_BOTH # endif -/* The definition of _GL_WARN_ON_USE is copied here. */ - # if @HAVE_WINSOCK2_H@ /* Include headers needed by the emulation code. */ # include <sys/types.h> @@ -137,11 +155,9 @@ # endif -# ifdef __cplusplus -extern "C" { -# endif +#endif -# if @HAVE_WINSOCK2_H@ +#if @HAVE_WINSOCK2_H@ /* Re-define FD_ISSET to avoid a WSA call while we are not using network sockets. */ @@ -159,284 +175,404 @@ return 0; } -# undef FD_ISSET -# define FD_ISSET(fd, set) rpl_fd_isset(fd, set) +# undef FD_ISSET +# define FD_ISSET(fd, set) rpl_fd_isset(fd, set) -# endif +#endif /* Wrap everything else to use libc file descriptors for sockets. */ -# if @HAVE_WINSOCK2_H@ && !defined _GL_UNISTD_H -# undef close -# define close close_used_without_including_unistd_h -# endif +#if @HAVE_WINSOCK2_H@ && !defined _GL_UNISTD_H +# undef close +# define close close_used_without_including_unistd_h +#endif -# if @HAVE_WINSOCK2_H@ && !defined _GL_UNISTD_H -# undef gethostname -# define gethostname gethostname_used_without_including_unistd_h -# endif +#if @HAVE_WINSOCK2_H@ && !defined _GL_UNISTD_H +# undef gethostname +# define gethostname gethostname_used_without_including_unistd_h +#endif -# 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 -# if HAVE_RAW_DECL_SOCKET +_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 +#endif -# if @GNULIB_CONNECT@ -# if @HAVE_WINSOCK2_H@ +#if @GNULIB_CONNECT@ +# if @HAVE_WINSOCK2_H@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) # undef connect -# define connect rpl_connect -extern int rpl_connect (int, const struct sockaddr *, socklen_t) - _GL_ARG_NONNULL ((2)); +# 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 -# if HAVE_RAW_DECL_CONNECT +_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 +_GL_CXXALIAS_SYS (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 -# if @GNULIB_ACCEPT@ -# if @HAVE_WINSOCK2_H@ +#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 *, socklen_t *); +# 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 +_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 +#endif -# if @GNULIB_BIND@ -# if @HAVE_WINSOCK2_H@ +#if @GNULIB_BIND@ +# if @HAVE_WINSOCK2_H@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) # undef bind -# define bind rpl_bind -extern int rpl_bind (int, const struct sockaddr *, socklen_t) - _GL_ARG_NONNULL ((2)); +# 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 -# if HAVE_RAW_DECL_BIND +_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 +_GL_CXXALIAS_SYS (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 +#endif -# if @GNULIB_GETPEERNAME@ -# if @HAVE_WINSOCK2_H@ +#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 *, socklen_t *) - _GL_ARG_NONNULL ((2, 3)); +# 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 -# if HAVE_RAW_DECL_GETPEERNAME +_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 +#endif -# if @GNULIB_GETSOCKNAME@ -# if @HAVE_WINSOCK2_H@ +#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 *, socklen_t *) - _GL_ARG_NONNULL ((2, 3)); +# 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 -# if HAVE_RAW_DECL_GETSOCKNAME +_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 +#endif -# if @GNULIB_GETSOCKOPT@ -# if @HAVE_WINSOCK2_H@ +#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 *, socklen_t *) - _GL_ARG_NONNULL ((4, 5)); +# 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 -# if HAVE_RAW_DECL_GETSOCKOPT +_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 +#endif -# if @GNULIB_LISTEN@ -# if @HAVE_WINSOCK2_H@ +#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 -# if HAVE_RAW_DECL_LISTEN +_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 +#endif -# if @GNULIB_RECV@ -# if @HAVE_WINSOCK2_H@ +#if @GNULIB_RECV@ +# if @HAVE_WINSOCK2_H@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) # undef recv -# define recv rpl_recv -extern ssize_t rpl_recv (int, void *, size_t, int) _GL_ARG_NONNULL ((2)); +# 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 -# if HAVE_RAW_DECL_RECV +_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 +#endif -# if @GNULIB_SEND@ -# if @HAVE_WINSOCK2_H@ +#if @GNULIB_SEND@ +# if @HAVE_WINSOCK2_H@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) # undef send -# define send rpl_send -extern ssize_t rpl_send (int, const void *, size_t, int) _GL_ARG_NONNULL ((2)); +# 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 -# if HAVE_RAW_DECL_SEND +_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 +#endif -# if @GNULIB_RECVFROM@ -# if @HAVE_WINSOCK2_H@ +#if @GNULIB_RECVFROM@ +# if @HAVE_WINSOCK2_H@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) # undef recvfrom -# define recvfrom rpl_recvfrom -extern ssize_t rpl_recvfrom (int, void *, size_t, int, - struct sockaddr *, socklen_t *) - _GL_ARG_NONNULL ((2)); +# 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 -# if HAVE_RAW_DECL_RECVFROM +_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 +#endif -# if @GNULIB_SENDTO@ -# if @HAVE_WINSOCK2_H@ +#if @GNULIB_SENDTO@ +# if @HAVE_WINSOCK2_H@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) # undef sendto -# define sendto rpl_sendto -extern ssize_t rpl_sendto (int, const void *, size_t, int, - const struct sockaddr *, socklen_t) - _GL_ARG_NONNULL ((2)); +# 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 -# if HAVE_RAW_DECL_SENDTO +_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 +_GL_CXXALIAS_SYS (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 +#endif -# if @GNULIB_SETSOCKOPT@ -# if @HAVE_WINSOCK2_H@ +#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 *, socklen_t) - _GL_ARG_NONNULL ((4)); +# define setsockopt rpl_setsockopt # endif -# 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_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 +_GL_CXXALIAS_SYS (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 +#endif -# if @GNULIB_SHUTDOWN@ -# if @HAVE_WINSOCK2_H@ +#if @GNULIB_SHUTDOWN@ +# if @HAVE_WINSOCK2_H@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) # undef shutdown -# define shutdown rpl_shutdown -extern int rpl_shutdown (int, int); +# define shutdown rpl_shutdown # endif -# 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_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 @HAVE_WINSOCK2_H@ -# undef select -# define select select_used_without_including_sys_select_h -# endif +#endif -# ifdef __cplusplus -} -# endif - -#endif /* HAVE_SYS_SOCKET_H */ - -#ifdef __cplusplus -extern "C" { +#if @HAVE_WINSOCK2_H@ +# undef select +# define select select_used_without_including_sys_select_h #endif #if @GNULIB_ACCEPT4@ @@ -446,10 +582,24 @@ See also the Linux man page at <http://www.kernel.org/doc/man-pages/online/pages/man2/accept4.2.html>. */ # if @HAVE_ACCEPT4@ -# define accept4 rpl_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 -extern int accept4 (int sockfd, struct sockaddr *addr, socklen_t *addrlen, - int flags); +_GL_CXXALIASWARN (accept4); #elif defined GNULIB_POSIXCHECK # undef accept4 # if HAVE_RAW_DECL_ACCEPT4 @@ -458,9 +608,6 @@ # endif #endif -#ifdef __cplusplus -} -#endif - #endif /* _GL_SYS_SOCKET_H */ #endif /* _GL_SYS_SOCKET_H */ +#endif
--- a/modules/sys_socket +++ b/modules/sys_socket @@ -9,6 +9,7 @@ Depends-on: alignof arg-nonnull +c++defs errno include_next warn-on-use @@ -22,7 +23,7 @@ # We need the following in order to create <sys/socket.h> when the system # doesn't have one that works with the given compiler. -sys/socket.h: sys_socket.in.h $(WARN_ON_USE_H) $(ARG_NONNULL_H) +sys/socket.h: sys_socket.in.h $(CXXDEFS_H) $(WARN_ON_USE_H) $(ARG_NONNULL_H) $(AM_V_at)$(MKDIR_P) sys $(AM_V_GEN)rm -f $@-t $@ && \ { echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */'; \ @@ -51,6 +52,7 @@ -e 's|@''HAVE_STRUCT_SOCKADDR_STORAGE''@|$(HAVE_STRUCT_SOCKADDR_STORAGE)|g' \ -e 's|@''HAVE_SA_FAMILY_T''@|$(HAVE_SA_FAMILY_T)|g' \ -e 's|@''HAVE_ACCEPT4''@|$(HAVE_ACCEPT4)|g' \ + -e '/definitions of _GL_FUNCDECL_RPL/r $(CXXDEFS_H)' \ -e '/definition of _GL_ARG_NONNULL/r $(ARG_NONNULL_H)' \ -e '/definition of _GL_WARN_ON_USE/r $(WARN_ON_USE_H)' \ < $(srcdir)/sys_socket.in.h; \