Adding upstream version 1:2.6.4.upstream/1%2.6.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 138 insertions, 0 deletions

diff --git a/utils/statd/svc_run.c b/utils/statd/svc_run.c
new file mode 100644
index 0000000..e343c76
--- /dev/null
+++ b/utils/statd/svc_run.c
@@ -0,0 +1,138 @@
+/*
+ * Copyright (C) 1984 Sun Microsystems, Inc.
+ * Modified by Jeffrey A. Uphoff, 1995, 1997-1999.
+ * Modified by Olaf Kirch, 1996.
+ *
+ * NSM for Linux.
+ */
+
+/* 
+ * Copyright (c) 2009, Sun Microsystems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * - Redistributions of source code must retain the above copyright notice,
+ *   this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright notice,
+ *   this list of conditions and the following disclaimer in the documentation
+ *   and/or other materials provided with the distribution.
+ * - Neither the name of Sun Microsystems, Inc. nor the names of its
+ *   contributors may be used to endorse or promote products derived
+ *   from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* 
+ * This has been modified for my own evil purposes to prevent deadlocks
+ * when two hosts start NSM's simultaneously and try to notify each
+ * other (which mainly occurs during testing), or to stop and smell the
+ * roses when I have callbacks due.
+ * --Jeff Uphoff.
+ */
+
+/* 
+ * This is the RPC server side idle loop.
+ * Wait for input, call server program.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <errno.h>
+#include <time.h>
+#include <inttypes.h>
+#include "statd.h"
+#include "notlist.h"
+
+void my_svc_exit(void);
+static int	svc_stop = 0;
+
+/*
+ * This is the global notify list onto which all SM_NOTIFY and CALLBACK
+ * requests are put.
+ */
+notify_list *	notify = NULL;
+
+/*
+ * Jump-off function.
+ */
+void
+my_svc_exit(void)
+{
+	svc_stop = 1;
+}
+
+
+/*
+ * The heart of the server.  A crib from libc for the most part...
+ */
+void
+my_svc_run(int sockfd)
+{
+	FD_SET_TYPE	readfds;
+	int             selret;
+	time_t		now;
+
+	svc_stop = 0;
+
+	for (;;) {
+		if (svc_stop)
+			return;
+
+		/* Ah, there are some notifications to be processed */
+		while (notify && NL_WHEN(notify) <= time(&now)) {
+			process_notify_list();
+		}
+
+		readfds = SVC_FDSET;
+		/* Set notify sockfd for waiting for reply */
+		FD_SET(sockfd, &readfds);
+		if (notify) {
+			struct timeval	tv;
+
+			tv.tv_sec  = NL_WHEN(notify) - now;
+			tv.tv_usec = 0;
+			xlog(D_GENERAL, "Waiting for reply... (timeo %jd)",
+							(intmax_t)tv.tv_sec);
+			selret = select(FD_SETSIZE, &readfds,
+				(void *) 0, (void *) 0, &tv);
+		} else {
+			xlog(D_GENERAL, "Waiting for client connections");
+			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;
+
+		case 0:
+			/* A notify/callback timed out. */
+			continue;
+
+		default:
+			selret -= process_reply(&readfds);
+			if (selret) {
+				FD_CLR(sockfd, &readfds);
+				svc_getreqset(&readfds);
+			}
+		}
+	}
+}