+
+static int probe_statd(void)
+{
+ struct sockaddr_in addr;
+ unsigned short port;
+
+ memset(&addr, 0, sizeof(addr));
+ addr.sin_family = AF_INET;
+ addr.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
+ port = getport(&addr, 100024, 1, IPPROTO_UDP);
+
+ if (port == 0)
+ return 0;
+ addr.sin_port = htons(port);
+
+ if (clnt_ping(&addr, 100024, 1, IPPROTO_UDP, NULL) <= 0)
+ return 0;
+
+ return 1;
+}
+
+/*
+ * Attempt to start rpc.statd
+ */
+int start_statd(void)
+{
+#ifdef START_STATD
+ struct stat stb;
+#endif
+
+ if (probe_statd())
+ return 1;
+
+#ifdef START_STATD
+ if (stat(START_STATD, &stb) == 0) {
+ if (S_ISREG(stb.st_mode) && (stb.st_mode & S_IXUSR)) {
+ system(START_STATD);
+ if (probe_statd())
+ return 1;
+ }
+ }
+#endif
+
+ return 0;
+}
+
+int nfs_call_umount(clnt_addr_t *mnt_server, dirpath *argp)
+{
+ CLIENT *clnt;
+ enum clnt_stat res = 0;
+ int msock;
+
+ switch (mnt_server->pmap.pm_vers) {
+ case 3:
+ case 2:
+ case 1:
+ if (!probe_mntport(mnt_server))
+ goto out_bad;
+ clnt = mnt_openclnt(mnt_server, &msock);
+ if (!clnt)
+ goto out_bad;
+ res = clnt_call(clnt, MOUNTPROC_UMNT,
+ (xdrproc_t) xdr_dirpath, (caddr_t)argp,
+ (xdrproc_t) xdr_void, NULL,
+ TIMEOUT);
+ mnt_closeclnt(clnt, msock);
+ if (res == RPC_SUCCESS)
+ return 1;
+ break;
+ default:
+ res = 1;
+ break;
+ }
+ out_bad:
+ return res;
+}