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Add support for more multicast sockopts.

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* libguile/socket.c: Add support for IP_MULTICAST_TTL and IP_MILTICAST_IF sockopts.
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Tristan Colgate-McFarlane 2010-10-20 09:36:32 +01:00 • committed by Andy Wingo
parent 705a2b9bc8
commit 511246a193
1 changed files with 18 additions and 0 deletions
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18
libguile/socket.c
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@ -603,6 +603,16 @@ SCM_DEFINE (scm_setsockopt, "setsockopt", 4, 0, 0,
"are defined (when provided by the system). See @command{man\n"
"ip} for what they mean.\n"
"\n"
"@defvar IP_MULTICAST_IF\n"
"This sets the source interface used by multicast traffic.\n"
"@end defvar\n"
"\n"
"@defvar IP_MULTICAST_TTL\n"
"This sets the default TTL for multicast traffic. This defaults \n"
"to 1 and should be increased to allow traffic to pass beyond the\n"
"local network.\n"
"@end defvar\n"
"\n"
"@defvar IP_ADD_MEMBERSHIP\n"
"@defvarx IP_DROP_MEMBERSHIP\n"
"These can be used only with @code{setsockopt}, not\n"
@ -1765,6 +1775,14 @@ scm_init_socket ()
scm_c_define ("IP_DROP_MEMBERSHIP", scm_from_int (IP_DROP_MEMBERSHIP));
#endif
#ifdef IP_MULTICAST_TTL
scm_c_define ("IP_MULTICAST_TTL", scm_from_int ( IP_MULTICAST_TTL));
#endif
#ifdef IP_MULTICAST_IF
scm_c_define ("IP_MULTICAST_IF", scm_from_int ( IP_MULTICAST_IF));
#endif
scm_add_feature ("socket");
#include "libguile/socket.x"