1159 	if (sendmsg(ctx->dhcp_fd, &ctx->sndhdr, 0) == -1) {  in dhcp6_sendmessage()
2623 	bytes = recvmsg(ctx->dhcp_fd, &ctx->rcvhdr, 0);  in dhcp6_handledata()
2626 		close(ctx->dhcp_fd);  in dhcp6_handledata()
2627 		eloop_event_delete(dctx->eloop, ctx->dhcp_fd, 0);  in dhcp6_handledata()
2628 		ctx->dhcp_fd = -1;  in dhcp6_handledata()
3101 	ctx->dhcp_fd = socket(PF_INET6,  in dhcp6_open()
3104 	if (ctx->dhcp_fd == -1)  in dhcp6_open()
3107 	if ((ctx->dhcp_fd = socket(PF_INET6, SOCK_DGRAM, IPPROTO_UDP)) == -1)  in dhcp6_open()
3109 	if ((n = fcntl(ctx->dhcp_fd, F_GETFD, 0)) == -1 ||  in dhcp6_open()
3110 	    fcntl(ctx->dhcp_fd, F_SETFD, n | FD_CLOEXEC) == -1)  in dhcp6_open()
3112 		close(ctx->dhcp_fd);  in dhcp6_open()
3113 		ctx->dhcp_fd = -1;  in dhcp6_open()
3116 	if ((n = fcntl(ctx->dhcp_fd, F_GETFL, 0)) == -1 ||  in dhcp6_open()
3117 	    fcntl(ctx->dhcp_fd, F_SETFL, n | O_NONBLOCK) == -1)  in dhcp6_open()
3119 		close(ctx->dhcp_fd);  in dhcp6_open()
3120 		ctx->dhcp_fd = -1;  in dhcp6_open()
3126 	if (setsockopt(ctx->dhcp_fd, SOL_SOCKET, SO_REUSEADDR,  in dhcp6_open()
3131 	if (setsockopt(ctx->dhcp_fd, SOL_SOCKET, SO_BROADCAST,  in dhcp6_open()
3137 	if (setsockopt(ctx->dhcp_fd, SOL_SOCKET, SO_REUSEPORT,  in dhcp6_open()
3142 	if (bind(ctx->dhcp_fd, (struct sockaddr *)&sa, sizeof(sa)) == -1)  in dhcp6_open()
3146 	if (setsockopt(ctx->dhcp_fd, IPPROTO_IPV6, IPV6_RECVPKTINFO,  in dhcp6_open()
3150 	eloop_event_add(dctx->eloop, ctx->dhcp_fd,  in dhcp6_open()
3155 	close(ctx->dhcp_fd);  in dhcp6_open()
3156 	ctx->dhcp_fd = -1;  in dhcp6_open()
3275 	if (ifp->ctx->ipv6->dhcp_fd == -1 && dhcp6_open(ifp->ctx) == -1)  in dhcp6_start()
3414 		if (ctx->ipv6->dhcp_fd != -1) {  in dhcp6_freedrop()
3415 			eloop_event_delete(ctx->eloop, ctx->ipv6->dhcp_fd, 0);  in dhcp6_freedrop()
3416 			close(ctx->ipv6->dhcp_fd);  in dhcp6_freedrop()
3417 			ctx->ipv6->dhcp_fd = -1;  in dhcp6_freedrop()