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socket: document nl_socket_get_fd()

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Thomas Graf 2012-11-06 17:36:53 +01:00
parent 65f97deb63
commit b25f26b896
1 changed files with 9 additions and 0 deletions
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9
lib/socket.c
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@ -472,6 +472,15 @@ void nl_socket_set_peer_groups(struct nl_sock *sk, uint32_t groups)
* @{
*/
/**
* Return the file descriptor of the backing socket
* @arg sk Netlink socket
*
* Only valid after calling nl_connect() to create and bind the respective
* socket.
*
* @return File descriptor or -1 if not available.
*/
int nl_socket_get_fd(const struct nl_sock *sk)
{
return sk->s_fd;