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Define IPPROTO_IPV6 and IPV6_V6ONLY.

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* libguile/socket.c (scm_init_socket): Define IPPROTO_IPV6 and IPV6_V6ONLY.
* doc/ref/posix.texi (Network Sockets and Communication): Document them.
This commit is contained in:
Ludovic Courtès 2022-07-04 11:49:31 +02:00
parent 6da4be170a
commit abd39f3328
2 changed files with 18 additions and 0 deletions
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11
doc/ref/posix.texi
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@ -3202,6 +3202,7 @@ Databases}).
@defvar SOL_SOCKET @defvar SOL_SOCKET
@defvarx IPPROTO_IP @defvarx IPPROTO_IP
@defvarx IPPROTO_IPV6
@defvarx IPPROTO_TCP @defvarx IPPROTO_TCP
@defvarx IPPROTO_UDP @defvarx IPPROTO_UDP
@end defvar @end defvar
@ -3266,6 +3267,16 @@ the interface @var{INTERFACEADDR}. @var{INTERFACEADDR} can be
@var{INTERFACEADDR} can also be an interface index number, on systems @var{INTERFACEADDR} can also be an interface index number, on systems
supporting that. supporting that.
@end defvar @end defvar
Last, for IPv6 level (@code{IPPROTO_IPV6}), the following @var{optname}s
are defined. See @command{man 7 ipv6} for details.
@defvar IPV6_V6ONLY
Determines whether an @code{AF_INET6} socket is restricted to
transmitting IPv6 packets only, or whether it can also transmit packets
for an IPv4-mapped IPv6 address.
@end defvar
@end deffn @end deffn
For @code{IPPROTO_TCP} level the following @var{optname}s are defined For @code{IPPROTO_TCP} level the following @var{optname}s are defined

7
libguile/socket.c
View file

@ -1712,6 +1712,9 @@ scm_init_socket ()
#ifdef IPPROTO_IP #ifdef IPPROTO_IP
scm_c_define ("IPPROTO_IP", scm_from_int (IPPROTO_IP)); scm_c_define ("IPPROTO_IP", scm_from_int (IPPROTO_IP));
#endif #endif
#ifdef IPPROTO_IPV6
scm_c_define ("IPPROTO_IPV6", scm_from_int (IPPROTO_IPV6));
#endif
#ifdef IPPROTO_TCP #ifdef IPPROTO_TCP
scm_c_define ("IPPROTO_TCP", scm_from_int (IPPROTO_TCP)); scm_c_define ("IPPROTO_TCP", scm_from_int (IPPROTO_TCP));
#endif #endif
@ -1801,6 +1804,10 @@ scm_init_socket ()
scm_c_define ("IP_MULTICAST_IF", scm_from_int ( IP_MULTICAST_IF)); scm_c_define ("IP_MULTICAST_IF", scm_from_int ( IP_MULTICAST_IF));
#endif #endif
#ifdef IPV6_V6ONLY
scm_c_define ("IPV6_V6ONLY", scm_from_int (IPV6_V6ONLY));
#endif
scm_add_feature ("socket"); scm_add_feature ("socket");
#include "socket.x" #include "socket.x"