| 1 | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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| 2 | /* ***** BEGIN LICENSE BLOCK *****
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| 3 | * Version: MPL 1.1/GPL 2.0/LGPL 2.1
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| 4 | *
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| 5 | * The contents of this file are subject to the Mozilla Public License Version
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| 6 | * 1.1 (the "License"); you may not use this file except in compliance with
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| 7 | * the License. You may obtain a copy of the License at
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| 8 | * http://www.mozilla.org/MPL/
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| 9 | *
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| 10 | * Software distributed under the License is distributed on an "AS IS" basis,
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| 11 | * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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| 12 | * for the specific language governing rights and limitations under the
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| 13 | * License.
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| 14 | *
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| 15 | * The Original Code is the Netscape Portable Runtime (NSPR).
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| 16 | *
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| 17 | * The Initial Developer of the Original Code is
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| 18 | * Netscape Communications Corporation.
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| 19 | * Portions created by the Initial Developer are Copyright (C) 1998-2000
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| 20 | * the Initial Developer. All Rights Reserved.
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| 21 | *
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| 22 | * Contributor(s):
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| 23 | *
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| 24 | * Alternatively, the contents of this file may be used under the terms of
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| 25 | * either the GNU General Public License Version 2 or later (the "GPL"), or
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| 26 | * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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| 27 | * in which case the provisions of the GPL or the LGPL are applicable instead
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| 28 | * of those above. If you wish to allow use of your version of this file only
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| 29 | * under the terms of either the GPL or the LGPL, and not to allow others to
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| 30 | * use your version of this file under the terms of the MPL, indicate your
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| 31 | * decision by deleting the provisions above and replace them with the notice
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| 32 | * and other provisions required by the GPL or the LGPL. If you do not delete
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| 33 | * the provisions above, a recipient may use your version of this file under
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| 34 | * the terms of any one of the MPL, the GPL or the LGPL.
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| 35 | *
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| 36 | * ***** END LICENSE BLOCK ***** */
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| 37 |
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| 38 | /*
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| 39 | ** File: anonfm.c
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| 40 | ** Description: Test anonymous file map
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| 41 | **
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| 42 | ** Synopsis: anonfm [options] [dirName]
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| 43 | **
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| 44 | ** Options:
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| 45 | ** -d enable debug mode
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| 46 | ** -h display a help message
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| 47 | ** -s <n> size of the anonymous memory map, in KBytes. default: 100KBytes.
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| 48 | ** -C 1 Operate this process as ClientOne()
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| 49 | ** -C 2 Operate this process as ClientTwo()
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| 50 | **
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| 51 | ** anonfn.c contains two tests, corresponding to the two protocols for
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| 52 | ** passing an anonymous file map to a child process.
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| 53 | **
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| 54 | ** ServerOne()/ClientOne() tests the passing of "raw" file map; it uses
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| 55 | ** PR_CreateProcess() [for portability of the test case] to create the
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| 56 | ** child process, but does not use the PRProcessAttr structure for
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| 57 | ** passing the file map data.
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| 58 | **
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| 59 | ** ServerTwo()/ClientTwo() tests the passing of the file map using the
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| 60 | ** PRProcessAttr structure.
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| 61 | **
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| 62 | */
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| 63 | #include <plgetopt.h>
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| 64 | #include <nspr.h>
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| 65 | #include <private/primpl.h>
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| 66 | #include <stdio.h>
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| 67 | #include <stdlib.h>
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| 68 | #include <string.h>
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| 69 |
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| 70 | /*
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| 71 | ** Test harness infrastructure
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| 72 | */
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| 73 | PRLogModuleInfo *lm;
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| 74 | PRLogModuleLevel msgLevel = PR_LOG_NONE;
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| 75 | PRUint32 failed_already = 0;
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| 76 |
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| 77 | PRIntn debug = 0;
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| 78 | PRIntn client = 0; /* invoke client, style */
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| 79 | char dirName[512] = "."; /* directory name to contain anon mapped file */
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| 80 | PRSize fmSize = (100 * 1024 );
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| 81 | PRUint32 fmMode = 0600;
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| 82 | PRFileMapProtect fmProt = PR_PROT_READWRITE;
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| 83 | const char *fmEnvName = "nsprFileMapEnvVariable";
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| 84 |
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| 85 | /*
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| 86 | ** Emit help text for this test
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| 87 | */
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| 88 | static void Help( void )
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| 89 | {
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| 90 | printf("anonfm [options] [dirName]\n");
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| 91 | printf("-d -- enable debug mode\n");
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| 92 | printf("dirName is alternate directory name. Default: . (current directory)\n");
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| 93 | exit(1);
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| 94 | } /* end Help() */
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| 95 |
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| 96 |
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| 97 | /*
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| 98 | ** ClientOne() --
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| 99 | */
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| 100 | static void ClientOne( void )
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| 101 | {
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| 102 | PRFileMap *fm;
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| 103 | char *fmString;
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| 104 | char *addr;
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| 105 | PRStatus rc;
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| 106 |
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| 107 | PR_LOG(lm, msgLevel,
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| 108 | ("ClientOne() starting"));
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| 109 |
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| 110 | fmString = PR_GetEnv( fmEnvName );
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| 111 | if ( NULL == fmString ) {
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| 112 | failed_already = 1;
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| 113 | PR_LOG(lm, msgLevel,
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| 114 | ("ClientOne(): PR_Getenv() failed"));
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| 115 | return;
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| 116 | }
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| 117 | PR_LOG(lm, msgLevel,
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| 118 | ("ClientOne(): PR_Getenv(): found: %s", fmString));
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| 119 |
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| 120 | fm = PR_ImportFileMapFromString( fmString );
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| 121 | if ( NULL == fm ) {
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| 122 | failed_already = 1;
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| 123 | PR_LOG(lm, msgLevel,
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| 124 | ("ClientOne(): PR_ImportFileMapFromString() failed"));
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| 125 | return;
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| 126 | }
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| 127 | PR_LOG(lm, msgLevel,
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| 128 | ("ClientOne(): PR_ImportFileMapFromString(): fm: %p", fm ));
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| 129 |
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| 130 | addr = PR_MemMap( fm, LL_ZERO, fmSize );
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| 131 | if ( NULL == addr ) {
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| 132 | failed_already = 1;
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| 133 | PR_LOG(lm, msgLevel,
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| 134 | ("ClientOne(): PR_MemMap() failed, OSError: %d", PR_GetOSError() ));
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| 135 | return;
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| 136 | }
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| 137 | PR_LOG(lm, msgLevel,
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| 138 | ("ClientOne(): PR_MemMap(): addr: %p", addr ));
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| 139 |
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| 140 | /* write to memory map to release server */
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| 141 | *addr = 1;
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| 142 |
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| 143 | rc = PR_MemUnmap( addr, fmSize );
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| 144 | PR_ASSERT( rc == PR_SUCCESS );
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| 145 | PR_LOG(lm, msgLevel,
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| 146 | ("ClientOne(): PR_MemUnap(): success" ));
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| 147 |
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| 148 | rc = PR_CloseFileMap( fm );
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| 149 | if ( PR_FAILURE == rc ) {
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| 150 | failed_already = 1;
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| 151 | PR_LOG(lm, msgLevel,
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| 152 | ("ClientOne(): PR_MemUnap() failed, OSError: %d", PR_GetOSError() ));
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| 153 | return;
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| 154 | }
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| 155 | PR_LOG(lm, msgLevel,
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| 156 | ("ClientOne(): PR_CloseFileMap(): success" ));
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| 157 |
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| 158 | return;
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| 159 | } /* end ClientOne() */
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| 160 |
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| 161 | /*
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| 162 | ** ClientTwo() --
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| 163 | */
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| 164 | static void ClientTwo( void )
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| 165 | {
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| 166 | failed_already = 1;
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| 167 | } /* end ClientTwo() */
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| 168 |
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| 169 | /*
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| 170 | ** ServerOne() --
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| 171 | */
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| 172 | static void ServerOne( void )
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| 173 | {
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| 174 | PRFileMap *fm;
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| 175 | PRStatus rc;
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| 176 | PRIntn i;
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| 177 | char *addr;
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| 178 | char fmString[256];
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| 179 | char envBuf[256];
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| 180 | char *child_argv[8];
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| 181 | PRProcess *proc;
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| 182 | PRInt32 exit_status;
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| 183 |
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| 184 | PR_LOG(lm, msgLevel,
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| 185 | ("ServerOne() starting"));
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| 186 |
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| 187 | fm = PR_OpenAnonFileMap( dirName, fmSize, fmProt );
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| 188 | if ( NULL == fm ) {
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| 189 | failed_already = 1;
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| 190 | PR_LOG(lm, msgLevel,
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| 191 | ("PR_OpenAnonFileMap() failed"));
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| 192 | return;
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| 193 | }
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| 194 | PR_LOG(lm, msgLevel,
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| 195 | ("ServerOne(): FileMap: %p", fm ));
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| 196 |
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| 197 | rc = PR_ExportFileMapAsString( fm, sizeof(fmString), fmString );
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| 198 | if ( PR_FAILURE == rc ) {
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| 199 | failed_already = 1;
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| 200 | PR_LOG(lm, msgLevel,
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| 201 | ("PR_ExportFileMap() failed"));
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| 202 | return;
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| 203 | }
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| 204 |
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| 205 | /*
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| 206 | ** put the string into the environment
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| 207 | */
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| 208 | PR_snprintf( envBuf, sizeof(envBuf), "%s=%s", fmEnvName, fmString);
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| 209 | putenv( envBuf );
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| 210 |
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| 211 | addr = PR_MemMap( fm, LL_ZERO, fmSize );
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| 212 | if ( NULL == addr ) {
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| 213 | failed_already = 1;
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| 214 | PR_LOG(lm, msgLevel,
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| 215 | ("PR_MemMap() failed"));
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| 216 | return;
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| 217 | }
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| 218 |
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| 219 | /* set initial value for client */
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| 220 | for (i = 0; i < (PRIntn)fmSize ; i++ )
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| 221 | *(addr+i) = 0x00;
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| 222 |
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| 223 | PR_LOG(lm, msgLevel,
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| 224 | ("ServerOne(): PR_MemMap(): addr: %p", addr ));
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| 225 |
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| 226 | /*
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| 227 | ** set arguments for child process
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| 228 | */
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| 229 | child_argv[0] = "anonfm";
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| 230 | child_argv[1] = "-C";
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| 231 | child_argv[2] = "1";
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| 232 | child_argv[3] = NULL;
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| 233 |
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| 234 | proc = PR_CreateProcess(child_argv[0], child_argv, NULL, NULL);
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| 235 | PR_ASSERT( proc );
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| 236 | PR_LOG(lm, msgLevel,
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| 237 | ("ServerOne(): PR_CreateProcess(): proc: %x", proc ));
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| 238 |
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| 239 | /*
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| 240 | ** ClientOne() will set the memory to 1
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| 241 | */
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| 242 | PR_LOG(lm, msgLevel,
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| 243 | ("ServerOne(): waiting on Client, *addr: %x", *addr ));
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| 244 | while( *addr == 0x00 ) {
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| 245 | if ( debug )
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| 246 | fprintf(stderr, ".");
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| 247 | PR_Sleep(PR_MillisecondsToInterval(300));
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| 248 | }
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| 249 | if ( debug )
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| 250 | fprintf(stderr, "\n");
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| 251 | PR_LOG(lm, msgLevel,
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| 252 | ("ServerOne(): Client responded" ));
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| 253 |
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| 254 | rc = PR_WaitProcess( proc, &exit_status );
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| 255 | PR_ASSERT( PR_FAILURE != rc );
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| 256 |
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| 257 | rc = PR_MemUnmap( addr, fmSize);
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| 258 | if ( PR_FAILURE == rc ) {
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| 259 | failed_already = 1;
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| 260 | PR_LOG(lm, msgLevel,
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| 261 | ("PR_MemUnmap() failed"));
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| 262 | return;
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| 263 | }
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| 264 | PR_LOG(lm, msgLevel,
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| 265 | ("ServerOne(): PR_MemUnmap(): success" ));
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| 266 |
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| 267 | rc = PR_CloseFileMap(fm);
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| 268 | if ( PR_FAILURE == rc ) {
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| 269 | failed_already = 1;
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| 270 | PR_LOG(lm, msgLevel,
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| 271 | ("PR_CloseFileMap() failed"));
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| 272 | return;
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| 273 | }
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| 274 | PR_LOG(lm, msgLevel,
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| 275 | ("ServerOne(): PR_CloseFileMap() success" ));
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| 276 |
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| 277 | return;
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| 278 | } /* end ServerOne() */
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| 279 |
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| 280 | /*
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| 281 | ** ServerTwo() --
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| 282 | */
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| 283 | static void ServerTwo( void )
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| 284 | {
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| 285 | PR_LOG(lm, msgLevel,
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| 286 | ("ServerTwo(): Not implemented yet" ));
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| 287 | } /* end ServerTwo() */
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| 288 |
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| 289 |
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| 290 | PRIntn main(PRIntn argc, char *argv[])
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| 291 | {
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| 292 | {
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| 293 | /*
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| 294 | ** Get command line options
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| 295 | */
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| 296 | PLOptStatus os;
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| 297 | PLOptState *opt = PL_CreateOptState(argc, argv, "hdC:");
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| 298 |
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| 299 | while (PL_OPT_EOL != (os = PL_GetNextOpt(opt)))
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| 300 | {
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| 301 | if (PL_OPT_BAD == os) continue;
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| 302 | switch (opt->option)
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| 303 | {
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| 304 | case 'C': /* Client style */
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| 305 | client = atol(opt->value);
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| 306 | break;
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| 307 | case 's': /* file size */
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| 308 | fmSize = atol( opt->value ) * 1024;
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| 309 | break;
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| 310 | case 'd': /* debug */
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| 311 | debug = 1;
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| 312 | msgLevel = PR_LOG_DEBUG;
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| 313 | break;
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| 314 | case 'h': /* help message */
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| 315 | Help();
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| 316 | break;
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| 317 | default:
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| 318 | strcpy(dirName, opt->value);
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| 319 | break;
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| 320 | }
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| 321 | }
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| 322 | PL_DestroyOptState(opt);
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| 323 | }
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| 324 |
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| 325 | lm = PR_NewLogModule("Test"); /* Initialize logging */
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| 326 |
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| 327 | if ( client == 1 ) {
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| 328 | ClientOne();
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| 329 | } else if ( client == 2 ) {
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| 330 | ClientTwo();
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| 331 | } else {
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| 332 | ServerOne();
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| 333 | if ( failed_already ) goto Finished;
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| 334 | ServerTwo();
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| 335 | }
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| 336 |
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| 337 | Finished:
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| 338 | if ( debug )
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| 339 | printf("%s\n", (failed_already)? "FAIL" : "PASS");
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| 340 | return( (failed_already == PR_TRUE )? 1 : 0 );
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| 341 | } /* main() */
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| 342 | /* end anonfm.c */
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| 343 |
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