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author | Andy Wingo <wingo@pobox.com> | 2021-01-20 21:52:54 +0100 |
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committer | Andy Wingo <wingo@pobox.com> | 2021-01-20 23:03:56 +0100 |
commit | a91b95cca2d397c84f8b9bbd602d40209a7092ce (patch) | |
tree | 2c286a291f5a2b812d6e216be10936f2709d59cf /lib/sys_socket.in.h | |
parent | 758b31994cff582c7e8785b4cc2240dbf3573837 (diff) | |
download | guile-a91b95cca2d397c84f8b9bbd602d40209a7092ce.tar.gz |
Update Gnulib to v0.1-4379-g2ef5a9b4b
Also bump required autoconf version to 2.64, as required by Gnulib.
Diffstat (limited to 'lib/sys_socket.in.h')
-rw-r--r-- | lib/sys_socket.in.h | 115 |
1 files changed, 76 insertions, 39 deletions
diff --git a/lib/sys_socket.in.h b/lib/sys_socket.in.h index 841b4135f..c0baa71c0 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) 2005-2017 Free Software Foundation, Inc. + Copyright (C) 2005-2021 Free Software Foundation, Inc. Written by Simon Josefsson. This program is free software; you can redistribute it and/or modify @@ -14,7 +14,7 @@ GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License - along with this program; if not, see <http://www.gnu.org/licenses/>. */ + along with this program; if not, see <https://www.gnu.org/licenses/>. */ /* This file is supposed to be used on platforms that lack <sys/socket.h>, on platforms where <sys/socket.h> cannot be included standalone, and on @@ -141,6 +141,15 @@ struct sockaddr_storage # define SHUT_RDWR 2 # endif +# ifdef __VMS /* OpenVMS */ +# ifndef CMSG_SPACE +# define CMSG_SPACE(length) _CMSG_SPACE(length) +# endif +# ifndef CMSG_LEN +# define CMSG_LEN(length) _CMSG_LEN(length) +# endif +# endif + #else # ifdef __CYGWIN__ @@ -160,7 +169,7 @@ struct sockaddr_storage 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/en-us/library/ms738520> + <https://docs.microsoft.com/en-us/windows/desktop/api/ws2tcpip/nf-ws2tcpip-getaddrinfo> suggests that getaddrinfo should be available on all Windows releases. */ @@ -186,12 +195,7 @@ struct sockaddr_storage /* Include headers needed by the emulation code. */ # include <sys/types.h> # include <io.h> - -# if !GNULIB_defined_socklen_t -typedef int socklen_t; -# define GNULIB_defined_socklen_t 1 -# endif - +/* If these headers don't define socklen_t, <config.h> does. */ # endif /* Rudimentary 'struct msghdr'; this works as long as you don't try to @@ -206,6 +210,15 @@ struct msghdr { #endif +/* Ensure SO_REUSEPORT is defined. */ +/* For the subtle differences between SO_REUSEPORT and SO_REUSEADDR, see + https://stackoverflow.com/questions/14388706/socket-options-so-reuseaddr-and-so-reuseport-how-do-they-differ-do-they-mean-t + and https://lwn.net/Articles/542629/ + */ +#ifndef SO_REUSEPORT +# define SO_REUSEPORT SO_REUSEADDR +#endif + /* Fix some definitions from <winsock2.h>. */ #if @HAVE_WINSOCK2_H@ @@ -243,7 +256,7 @@ rpl_fd_isset (SOCKET fd, fd_set * set) # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # undef close # define close close_used_without_including_unistd_h -# else +# elif !defined __clang__ _GL_WARN_ON_USE (close, "close() used without including <unistd.h>"); # endif @@ -328,14 +341,20 @@ _GL_WARN_ON_USE (connect, "connect is not always POSIX compliant - " # define accept rpl_accept # endif _GL_FUNCDECL_RPL (accept, int, - (int fd, struct sockaddr *addr, socklen_t *addrlen)); + (int fd, + struct sockaddr *restrict addr, + socklen_t *restrict addrlen)); _GL_CXXALIAS_RPL (accept, int, - (int fd, struct sockaddr *addr, socklen_t *addrlen)); + (int fd, + struct sockaddr *restrict addr, + socklen_t *restrict addrlen)); # else /* Need to cast, because on Solaris 10 systems, the third parameter is - void *addrlen. */ + void *addrlen. */ _GL_CXXALIAS_SYS_CAST (accept, int, - (int fd, struct sockaddr *addr, socklen_t *addrlen)); + (int fd, + struct sockaddr *restrict addr, + socklen_t *restrict addrlen)); # endif _GL_CXXALIASWARN (accept); #elif @HAVE_WINSOCK2_H@ @@ -386,15 +405,18 @@ _GL_WARN_ON_USE (bind, "bind is not always POSIX compliant - " # define getpeername rpl_getpeername # endif _GL_FUNCDECL_RPL (getpeername, int, - (int fd, struct sockaddr *addr, socklen_t *addrlen) + (int fd, struct sockaddr *restrict addr, + socklen_t *restrict addrlen) _GL_ARG_NONNULL ((2, 3))); _GL_CXXALIAS_RPL (getpeername, int, - (int fd, struct sockaddr *addr, socklen_t *addrlen)); + (int fd, struct sockaddr *restrict addr, + socklen_t *restrict addrlen)); # else /* Need to cast, because on Solaris 10 systems, the third parameter is - void *addrlen. */ + void *addrlen. */ _GL_CXXALIAS_SYS_CAST (getpeername, int, - (int fd, struct sockaddr *addr, socklen_t *addrlen)); + (int fd, struct sockaddr *restrict addr, + socklen_t *restrict addrlen)); # endif _GL_CXXALIASWARN (getpeername); #elif @HAVE_WINSOCK2_H@ @@ -415,15 +437,18 @@ _GL_WARN_ON_USE (getpeername, "getpeername is not always POSIX compliant - " # define getsockname rpl_getsockname # endif _GL_FUNCDECL_RPL (getsockname, int, - (int fd, struct sockaddr *addr, socklen_t *addrlen) + (int fd, struct sockaddr *restrict addr, + socklen_t *restrict addrlen) _GL_ARG_NONNULL ((2, 3))); _GL_CXXALIAS_RPL (getsockname, int, - (int fd, struct sockaddr *addr, socklen_t *addrlen)); + (int fd, struct sockaddr *restrict addr, + socklen_t *restrict addrlen)); # else /* Need to cast, because on Solaris 10 systems, the third parameter is - void *addrlen. */ + void *addrlen. */ _GL_CXXALIAS_SYS_CAST (getsockname, int, - (int fd, struct sockaddr *addr, socklen_t *addrlen)); + (int fd, struct sockaddr *restrict addr, + socklen_t *restrict addrlen)); # endif _GL_CXXALIASWARN (getsockname); #elif @HAVE_WINSOCK2_H@ @@ -443,16 +468,19 @@ _GL_WARN_ON_USE (getsockname, "getsockname is not always POSIX compliant - " # 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)); +_GL_FUNCDECL_RPL (getsockopt, int, + (int fd, int level, int optname, + void *restrict optval, socklen_t *restrict optlen) + _GL_ARG_NONNULL ((4, 5))); +_GL_CXXALIAS_RPL (getsockopt, int, + (int fd, int level, int optname, + void *restrict optval, socklen_t *restrict 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)); +_GL_CXXALIAS_SYS_CAST (getsockopt, int, + (int fd, int level, int optname, + void *restrict optval, socklen_t *restrict optlen)); # endif _GL_CXXALIASWARN (getsockopt); #elif @HAVE_WINSOCK2_H@ @@ -499,7 +527,10 @@ _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)); +/* Need to cast, because on HP-UX 11.31 the return type may be + int, + depending on compiler options. */ +_GL_CXXALIAS_SYS_CAST (recv, ssize_t, (int fd, void *buf, size_t len, int flags)); # endif _GL_CXXALIASWARN (recv); #elif @HAVE_WINSOCK2_H@ @@ -525,8 +556,11 @@ _GL_FUNCDECL_RPL (send, ssize_t, _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)); +/* Need to cast, because on HP-UX 11.31 the return type may be + int, + depending on compiler options. */ +_GL_CXXALIAS_SYS_CAST (send, ssize_t, + (int fd, const void *buf, size_t len, int flags)); # endif _GL_CXXALIASWARN (send); #elif @HAVE_WINSOCK2_H@ @@ -547,18 +581,21 @@ _GL_WARN_ON_USE (send, "send is not always POSIX compliant - " # 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) + (int fd, void *restrict buf, size_t len, int flags, + struct sockaddr *restrict from, + socklen_t *restrict 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)); + (int fd, void *restrict buf, size_t len, int flags, + struct sockaddr *restrict from, + socklen_t *restrict 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)); + (int fd, void *restrict buf, size_t len, int flags, + struct sockaddr *restrict from, + socklen_t *restrict fromlen)); # endif _GL_CXXALIASWARN (recvfrom); #elif @HAVE_WINSOCK2_H@ @@ -662,7 +699,7 @@ _GL_WARN_ON_USE (shutdown, "shutdown is not always POSIX compliant - " The flags are a bitmask, possibly including O_CLOEXEC (defined in <fcntl.h>) and O_TEXT, O_BINARY (defined in "binary-io.h"). See also the Linux man page at - <http://www.kernel.org/doc/man-pages/online/pages/man2/accept4.2.html>. */ + <https://www.kernel.org/doc/man-pages/online/pages/man2/accept4.2.html>. */ # if @HAVE_ACCEPT4@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # define accept4 rpl_accept4 |