Import TBBT (NFS trace replay).

[bluesky.git] / TBBT / trace_play / rpc / bindresvport.c

diff --git a/TBBT/trace_play/rpc/bindresvport.c b/TBBT/trace_play/rpc/bindresvport.c
new file mode 100755 (executable)
index 0000000..32927fe
--- /dev/null
+++ b/TBBT/trace_play/rpc/bindresvport.c
@@ -0,0 +1,103 @@
+#ifndef lint
+static char sfs_bindresvport_id[] = "@(#)bindresvport.c     2.1     97/10/23";
+#endif
+/* 2.2 88/07/29 4.0 RPCSRC 1.8 88/02/08 SMI */
+/*
+ *   Copyright (c) 1992-1997,2001 by Standard Performance Evaluation Corporation
+ *     All rights reserved.
+ *             Standard Performance Evaluation Corporation (SPEC)
+ *             6585 Merchant Place, Suite 100
+ *             Warrenton, VA 20187
+ *
+ *     This product contains benchmarks acquired from several sources who
+ *     understand and agree with SPEC's goal of creating fair and objective
+ *     benchmarks to measure computer performance.
+ *
+ *     This copyright notice is placed here only to protect SPEC in the
+ *     event the source is misused in any manner that is contrary to the
+ *     spirit, the goals and the intent of SPEC.
+ *
+ *     The source code is provided to the user or company under the license
+ *     agreement for the SPEC Benchmark Suite for this product.
+ */
+/*
+ * 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
+ */
+
+/*
+ * Copyright (c) 1987 by Sun Microsystems, Inc.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+#include "rpc/rpc.h"
+#include <sys/types.h>
+#include "rpc/osdep.h"
+
+/*
+ * Bind a socket to a privileged IP port
+ */
+int
+bindresvport(
+       int sd,
+       struct sockaddr_in *sin)
+{
+       int res;
+       static int16_t port;
+       struct sockaddr_in myaddr;
+       int i;
+
+#define STARTPORT 600
+#define ENDPORT (IPPORT_RESERVED - 1)
+#define NPORTS (ENDPORT - STARTPORT + 1)
+
+       if (sin == (struct sockaddr_in *)0) {
+               sin = &myaddr;
+               memset(sin, '\0', sizeof (struct sockaddr_in));
+               sin->sin_family = AF_INET;
+       } else if (sin->sin_family != AF_INET) {
+               errno = EPFNOSUPPORT;
+               return (-1);
+       }
+       if (port == 0) {
+               port = (getpid() % NPORTS) + STARTPORT;
+       }
+       res = -1;
+       errno = EADDRINUSE;
+       for (i = 0; i < NPORTS && res < 0 && errno == EADDRINUSE; i++) {
+               sin->sin_port = htons(port++);
+               if (port > ENDPORT) {
+                       port = STARTPORT;
+               }
+               res = bind(sd, (struct sockaddr *)sin, sizeof(struct sockaddr_in));
+       }
+       return (res);
+}