Support new kernel upcalls for export cache management.

[nfs-utils.git] / utils / mountd / svc_run.c

diff --git a/utils/mountd/svc_run.c b/utils/mountd/svc_run.c
new file mode 100644 (file)
index 0000000..a1ef74a
--- /dev/null
+++ b/utils/mountd/svc_run.c
@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) 1984 Sun Microsystems, Inc.
+ * Based on svc_run.c from statd which claimed:
+ * Modified by Jeffrey A. Uphoff, 1995, 1997-1999.
+ * Modified by Olaf Kirch, 1996.
+ *
+ */
+
+/* 
+ * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
+ * unrestricted use provided that this legend is included on all tape
+ * media and as a part of the software program in whole or part.  Users
+ * may copy or modify Sun RPC without charge, but are not authorized
+ * to license or distribute it to anyone else except as part of a product or
+ * program developed by the user.
+ * 
+ * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
+ * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
+ * 
+ * Sun RPC is provided with no support and without any obligation on the
+ * part of Sun Microsystems, Inc. to assist in its use, correction,
+ * modification or enhancement.
+ * 
+ * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
+ * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
+ * OR ANY PART THEREOF.
+ * 
+ * In no event will Sun Microsystems, Inc. be liable for any lost revenue
+ * or profits or other special, indirect and consequential damages, even if
+ * Sun has been advised of the possibility of such damages.
+ * 
+ * Sun Microsystems, Inc.
+ * 2550 Garcia Avenue
+ * Mountain View, California  94043
+ */
+
+/* 
+ * Allow svc_run to listen to other file descriptors as well
+ */
+
+/* 
+ * This is the RPC server side idle loop.
+ * Wait for input, call server program.
+ */
+#include "config.h"
+#include <sys/types.h>
+#include <rpc/rpc.h>
+#include "xlog.h"
+#include <errno.h>
+#include <time.h>
+
+void cache_set_fds(fd_set *fdset);
+int cache_process_req(fd_set *readfds);
+
+
+/*
+ * The heart of the server.  A crib from libc for the most part...
+ */
+void
+my_svc_run(void)
+{
+       fd_set  readfds;
+       int     selret;
+
+       for (;;) {
+
+               readfds = svc_fdset;
+               cache_set_fds(&readfds);
+
+               selret = select(FD_SETSIZE, &readfds,
+                               (void *) 0, (void *) 0, (struct timeval *) 0);
+
+
+               switch (selret) {
+               case -1:
+                       if (errno == EINTR || errno == ECONNREFUSED
+                        || errno == ENETUNREACH || errno == EHOSTUNREACH)
+                               continue;
+                       xlog(L_ERROR, "my_svc_run() - select: %m");
+                       return;
+
+               default:
+                       selret -= cache_process_req(&readfds);
+                       if (selret)
+                               svc_getreqset(&readfds);
+               }
+       }
+}