+static void
+closedown(int sig)
+{
+ (void) signal(sig, closedown);
+
+ if (_rpcsvcdirty == 0) {
+ static int size;
+ int i, openfd;
+
+ if (_rpcfdtype == SOCK_DGRAM)
+ exit(0);
+
+ if (size == 0)
+ size = getdtablesize();
+
+ for (i = 0, openfd = 0; i < size && openfd < 2; i++)
+ if (FD_ISSET(i, &svc_fdset))
+ openfd++;
+ if (openfd <= 1)
+ exit(0);
+ }
+
+ (void) alarm(_RPCSVC_CLOSEDOWN);
+}
+
+/*
+ * Create listener socket for a given port
+ *
+ * Return an open network socket on success; otherwise return -1
+ * if some error occurs.
+ */
+static int
+makesock(int port, int proto)
+{
+ struct sockaddr_in sin;
+ int sock, sock_type, val;
+
+ sock_type = (proto == IPPROTO_UDP) ? SOCK_DGRAM : SOCK_STREAM;
+ sock = socket(AF_INET, sock_type, proto);
+ if (sock < 0) {
+ xlog(L_FATAL, "Could not make a socket: %s",
+ strerror(errno));
+ return -1;
+ }
+ memset((char *) &sin, 0, sizeof(sin));
+ sin.sin_family = AF_INET;
+ sin.sin_addr.s_addr = htonl(INADDR_ANY);
+ sin.sin_port = htons(port);
+
+ val = 1;
+ if (proto == IPPROTO_TCP)
+ if (setsockopt(sock, SOL_SOCKET, SO_REUSEADDR,
+ &val, sizeof(val)) < 0)
+ xlog(L_ERROR, "setsockopt failed: %s",
+ strerror(errno));
+
+ if (bind(sock, (struct sockaddr *) &sin, sizeof(sin)) == -1) {
+ xlog(L_FATAL, "Could not bind name to socket: %s",
+ strerror(errno));
+ return -1;
+ }
+
+ return sock;
+}
+