IP_UNBLOCK_SOURCE(2const)

NAME

IP_UNBLOCK_SOURCE - unblock multicast source

LIBRARY

Standard C library (libc, -lc)

SYNOPSIS

#include <netinet/in.h>  /* Definition of IP* constants */
#include <sys/socket.h>

int setsockopt(int sockfd, IPPROTO_IP, IP_UNBLOCK_SOURCE,
               const struct ip_mreq_source *src,
               sizeof(struct ip_mreq_source));

DESCRIPTION

Unblock previously blocked multicast source.

Fails with EADDRNOTAVAIL when given source is not being blocked.

ERRORS

See IPPROTO_IP(2const). See setsockopt(2). See ip(7).

HISTORY

Linux 2.4.22, Linux 2.5.68.