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-rw-r--r--gl/sys_socket.in.h551
1 files changed, 351 insertions, 200 deletions
diff --git a/gl/sys_socket.in.h b/gl/sys_socket.in.h
index 44a82bd3a0..644abcc601 100644
--- a/gl/sys_socket.in.h
+++ b/gl/sys_socket.in.h
@@ -23,13 +23,27 @@
It is intended to provide definitions and prototypes needed by an
application. */
+#if __GNUC__ >= 3
+@PRAGMA_SYSTEM_HEADER@
+#endif
+
+#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@
-# if __GNUC__ >= 3
-@PRAGMA_SYSTEM_HEADER@
-# endif
+# define _GL_ALREADY_INCLUDING_SYS_SOCKET_H
/* On many platforms, <sys/socket.h> assumes prior inclusion of
<sys/types.h>. */
@@ -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 @@ struct sockaddr_storage
# 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 @@ typedef int socklen_t;
# 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. */
@@ -159,280 +175,404 @@ rpl_fd_isset (SOCKET fd, fd_set * set)
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, struct sockaddr *, int) _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 *, 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
+_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, struct sockaddr *, int) _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 *, int *)
- _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 *, int *)
- _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 int rpl_recv (int, void *, int, 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 int rpl_send (int, const void *, int, 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 int rpl_recvfrom (int, void *, int, int, struct sockaddr *, int *)
- _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 int rpl_sendto (int, const void *, int, int, struct sockaddr *, int)
- _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@
@@ -442,10 +582,24 @@ extern "C" {
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
-# endif
-extern int accept4 (int sockfd, struct sockaddr *addr, socklen_t *addrlen,
- int flags);
+# 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
@@ -454,9 +608,6 @@ _GL_WARN_ON_USE (accept4, "accept4 is unportable - "
# endif
#endif
-#ifdef __cplusplus
-}
-#endif
-
#endif /* _GL_SYS_SOCKET_H */
#endif /* _GL_SYS_SOCKET_H */
+#endif