mirror of
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312 lines
7.9 KiB
C
312 lines
7.9 KiB
C
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/*
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** File: anonfm.c
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** Description: Test anonymous file map
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**
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** Synopsis: anonfm [options] [dirName]
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**
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** Options:
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** -d enable debug mode
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** -h display a help message
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** -s <n> size of the anonymous memory map, in KBytes. default: 100KBytes.
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** -C 1 Operate this process as ClientOne()
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** -C 2 Operate this process as ClientTwo()
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**
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** anonfn.c contains two tests, corresponding to the two protocols for
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** passing an anonymous file map to a child process.
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**
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** ServerOne()/ClientOne() tests the passing of "raw" file map; it uses
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** PR_CreateProcess() [for portability of the test case] to create the
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** child process, but does not use the PRProcessAttr structure for
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** passing the file map data.
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**
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** ServerTwo()/ClientTwo() tests the passing of the file map using the
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** PRProcessAttr structure.
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**
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*/
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#include <plgetopt.h>
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#include <nspr.h>
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#include <private/primpl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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/*
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** Test harness infrastructure
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*/
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PRLogModuleInfo *lm;
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PRLogModuleLevel msgLevel = PR_LOG_NONE;
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PRUint32 failed_already = 0;
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PRIntn debug = 0;
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PRIntn client = 0; /* invoke client, style */
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char dirName[512] = "."; /* directory name to contain anon mapped file */
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PRSize fmSize = (100 * 1024 );
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PRUint32 fmMode = 0600;
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PRFileMapProtect fmProt = PR_PROT_READWRITE;
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const char *fmEnvName = "nsprFileMapEnvVariable";
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/*
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** Emit help text for this test
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*/
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static void Help( void )
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{
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printf("anonfm [options] [dirName]\n");
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printf("-d -- enable debug mode\n");
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printf("dirName is alternate directory name. Default: . (current directory)\n");
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exit(1);
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} /* end Help() */
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/*
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** ClientOne() --
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*/
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static void ClientOne( void )
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{
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PRFileMap *fm;
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char *fmString;
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char *addr;
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PRStatus rc;
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PR_LOG(lm, msgLevel,
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("ClientOne() starting"));
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fmString = PR_GetEnv( fmEnvName );
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if ( NULL == fmString ) {
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failed_already = 1;
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PR_LOG(lm, msgLevel,
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("ClientOne(): PR_Getenv() failed"));
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return;
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}
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PR_LOG(lm, msgLevel,
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("ClientOne(): PR_Getenv(): found: %s", fmString));
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fm = PR_ImportFileMapFromString( fmString );
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if ( NULL == fm ) {
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failed_already = 1;
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PR_LOG(lm, msgLevel,
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("ClientOne(): PR_ImportFileMapFromString() failed"));
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return;
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}
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PR_LOG(lm, msgLevel,
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("ClientOne(): PR_ImportFileMapFromString(): fm: %p", fm ));
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addr = PR_MemMap( fm, LL_ZERO, fmSize );
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if ( NULL == addr ) {
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failed_already = 1;
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PR_LOG(lm, msgLevel,
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("ClientOne(): PR_MemMap() failed, OSError: %d", PR_GetOSError() ));
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return;
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}
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PR_LOG(lm, msgLevel,
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("ClientOne(): PR_MemMap(): addr: %p", addr ));
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/* write to memory map to release server */
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*addr = 1;
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rc = PR_MemUnmap( addr, fmSize );
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PR_ASSERT( rc == PR_SUCCESS );
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PR_LOG(lm, msgLevel,
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("ClientOne(): PR_MemUnap(): success" ));
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rc = PR_CloseFileMap( fm );
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if ( PR_FAILURE == rc ) {
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failed_already = 1;
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PR_LOG(lm, msgLevel,
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("ClientOne(): PR_MemUnap() failed, OSError: %d", PR_GetOSError() ));
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return;
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}
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PR_LOG(lm, msgLevel,
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("ClientOne(): PR_CloseFileMap(): success" ));
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return;
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} /* end ClientOne() */
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/*
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** ClientTwo() --
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*/
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static void ClientTwo( void )
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{
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failed_already = 1;
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} /* end ClientTwo() */
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/*
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** ServerOne() --
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*/
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static void ServerOne( void )
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{
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PRFileMap *fm;
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PRStatus rc;
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PRIntn i;
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char *addr;
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char fmString[256];
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char envBuf[256];
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char *child_argv[8];
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PRProcess *proc;
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PRInt32 exit_status;
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PR_LOG(lm, msgLevel,
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("ServerOne() starting"));
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fm = PR_OpenAnonFileMap( dirName, fmSize, fmProt );
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if ( NULL == fm ) {
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failed_already = 1;
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PR_LOG(lm, msgLevel,
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("PR_OpenAnonFileMap() failed"));
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return;
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}
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PR_LOG(lm, msgLevel,
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("ServerOne(): FileMap: %p", fm ));
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rc = PR_ExportFileMapAsString( fm, sizeof(fmString), fmString );
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if ( PR_FAILURE == rc ) {
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failed_already = 1;
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PR_LOG(lm, msgLevel,
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("PR_ExportFileMap() failed"));
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return;
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}
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/*
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** put the string into the environment
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*/
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PR_snprintf( envBuf, sizeof(envBuf), "%s=%s", fmEnvName, fmString);
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putenv( envBuf );
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addr = PR_MemMap( fm, LL_ZERO, fmSize );
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if ( NULL == addr ) {
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failed_already = 1;
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PR_LOG(lm, msgLevel,
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("PR_MemMap() failed"));
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return;
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}
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/* set initial value for client */
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for (i = 0; i < (PRIntn)fmSize ; i++ )
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*(addr+i) = 0x00;
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PR_LOG(lm, msgLevel,
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("ServerOne(): PR_MemMap(): addr: %p", addr ));
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/*
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** set arguments for child process
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*/
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child_argv[0] = "anonfm";
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child_argv[1] = "-C";
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child_argv[2] = "1";
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child_argv[3] = NULL;
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proc = PR_CreateProcess(child_argv[0], child_argv, NULL, NULL);
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PR_ASSERT( proc );
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PR_LOG(lm, msgLevel,
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("ServerOne(): PR_CreateProcess(): proc: %x", proc ));
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/*
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** ClientOne() will set the memory to 1
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*/
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PR_LOG(lm, msgLevel,
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("ServerOne(): waiting on Client, *addr: %x", *addr ));
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while( *addr == 0x00 ) {
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if ( debug )
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fprintf(stderr, ".");
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PR_Sleep(PR_MillisecondsToInterval(300));
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}
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if ( debug )
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fprintf(stderr, "\n");
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PR_LOG(lm, msgLevel,
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("ServerOne(): Client responded" ));
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rc = PR_WaitProcess( proc, &exit_status );
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PR_ASSERT( PR_FAILURE != rc );
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rc = PR_MemUnmap( addr, fmSize);
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if ( PR_FAILURE == rc ) {
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failed_already = 1;
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PR_LOG(lm, msgLevel,
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("PR_MemUnmap() failed"));
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return;
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}
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PR_LOG(lm, msgLevel,
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("ServerOne(): PR_MemUnmap(): success" ));
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rc = PR_CloseFileMap(fm);
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if ( PR_FAILURE == rc ) {
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failed_already = 1;
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PR_LOG(lm, msgLevel,
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("PR_CloseFileMap() failed"));
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return;
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}
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PR_LOG(lm, msgLevel,
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("ServerOne(): PR_CloseFileMap() success" ));
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return;
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} /* end ServerOne() */
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/*
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** ServerTwo() --
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*/
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static void ServerTwo( void )
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{
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PR_LOG(lm, msgLevel,
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("ServerTwo(): Not implemented yet" ));
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} /* end ServerTwo() */
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int main(int argc, char **argv)
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{
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{
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/*
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** Get command line options
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*/
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PLOptStatus os;
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PLOptState *opt = PL_CreateOptState(argc, argv, "hdC:");
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while (PL_OPT_EOL != (os = PL_GetNextOpt(opt)))
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{
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if (PL_OPT_BAD == os) continue;
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switch (opt->option)
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{
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case 'C': /* Client style */
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client = atol(opt->value);
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break;
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case 's': /* file size */
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fmSize = atol( opt->value ) * 1024;
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break;
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case 'd': /* debug */
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debug = 1;
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msgLevel = PR_LOG_DEBUG;
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break;
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case 'h': /* help message */
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Help();
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break;
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default:
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strcpy(dirName, opt->value);
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break;
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}
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}
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PL_DestroyOptState(opt);
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}
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lm = PR_NewLogModule("Test"); /* Initialize logging */
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if ( client == 1 ) {
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ClientOne();
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} else if ( client == 2 ) {
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ClientTwo();
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} else {
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ServerOne();
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if ( failed_already ) goto Finished;
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ServerTwo();
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}
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Finished:
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if ( debug )
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printf("%s\n", (failed_already)? "FAIL" : "PASS");
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return( (failed_already == PR_TRUE )? 1 : 0 );
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} /* main() */
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/* end anonfm.c */
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