1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 #include <strings.h> 30 #include <rpc/rpc.h> 31 32 #include "rpcsvc/nfs4_prot.h" 33 34 int nfs4_skip_bytes; 35 36 /* 37 * The waiting() function returns the value passed in, until something 38 * external modifies it. In this case, the D script tst.call.d will 39 * modify the value of *a, and thus break the while loop in dotest(). 40 * 41 * This serves the purpose of not making the RPC calls until tst.call.d 42 * is active. Thus, the probes in tst.call.d can fire as a result of 43 * the RPC call in dotest(). 44 */ 45 46 int 47 waiting(volatile int *a) 48 { 49 return (*a); 50 } 51 52 int 53 dotest(void) 54 { 55 CLIENT *client; 56 AUTH *auth; 57 COMPOUND4args args; 58 COMPOUND4res res; 59 enum clnt_stat status; 60 struct timeval timeout; 61 nfs_argop4 arg[1]; 62 char *tag = "dtrace test"; 63 volatile int a = 0; 64 65 while (waiting(&a) == 0) 66 continue; 67 68 timeout.tv_sec = 30; 69 timeout.tv_usec = 0; 70 71 client = clnt_create("localhost", NFS4_PROGRAM, NFS_V4, "tcp"); 72 if (client == NULL) { 73 clnt_pcreateerror("test"); 74 return (1); 75 } 76 auth = authsys_create_default(); 77 client->cl_auth = auth; 78 args.minorversion = 0; 79 args.tag.utf8string_len = strlen(tag); 80 args.tag.utf8string_val = tag; 81 args.argarray.argarray_len = sizeof (arg) / sizeof (nfs_argop4); 82 args.argarray.argarray_val = arg; 83 84 arg[0].argop = OP_PUTROOTFH; 85 /* no need to manipulate nfs_argop4_u */ 86 87 bzero(&res, sizeof (res)); 88 89 status = clnt_call(client, NFSPROC4_COMPOUND, 90 xdr_COMPOUND4args, (caddr_t)&args, 91 xdr_COMPOUND4res, (caddr_t)&res, 92 timeout); 93 if (status != RPC_SUCCESS) { 94 clnt_perror(client, "test"); 95 return (2); 96 } 97 98 return (0); 99 } 100 101 /*ARGSUSED*/ 102 int 103 main(int argc, char **argv) 104 { 105 char shareline[BUFSIZ], unshareline[BUFSIZ]; 106 int rc; 107 108 (void) snprintf(shareline, sizeof (shareline), 109 "mkdir /tmp/nfsv4test.%d ; share /tmp/nfsv4test.%d", getpid(), 110 getpid()); 111 (void) snprintf(unshareline, sizeof (unshareline), 112 "unshare /tmp/nfsv4test.%d ; rmdir /tmp/nfsv4test.%d", getpid(), 113 getpid()); 114 115 (void) system(shareline); 116 rc = dotest(); 117 (void) system(unshareline); 118 119 return (rc); 120 } 121