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LOW_IPCKeyGenerator_SysV.cpp

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00001 /***************************************************************************
00002                           LOW_IPCKeyGenerator_SysV.cpp  -  description
00003                              -------------------
00004     begin                : Tue Jul 30 2002
00005     copyright            : (C) 2002 by Harald Roelle, Helmut Reiser
00006     email                : roelle@informatik.uni-muenchen.de, reiser@informatik.uni-muenchen.de
00007  ***************************************************************************/
00008 
00009 /***************************************************************************
00010  *                                                                         *
00011  *   This program is free software; you can redistribute it and/or modify  *
00012  *   it under the terms of the GNU General Public License as published by  *
00013  *   the Free Software Foundation; either version 2 of the License, or     *
00014  *   (at your option) any later version.                                   *
00015  *                                                                         *
00016  ***************************************************************************/
00017 
00018  
00019 #include <sys/types.h>
00020 #include <sys/ipc.h>
00021  
00022 #include "LOW_IPCKeyGenerator_SysV.h"
00023 
00024 
00025 //=====================================================================================
00026 //
00027 // methods
00028 //
00029   
00030 LOW_semaphoreSetFactory::semSetIPCKey_t LOW_IPCKeyGenerator_SysV::getSemSetKey(  const LOW_portSerialFactory::portSpecifier_t &inSerPortSpec)
00031 {
00032   return ftok( inSerPortSpec.c_str(), 1);
00033 }
00034 
00035 
00036 LOW_semaphoreSetFactory::semSetIPCKey_t LOW_IPCKeyGenerator_SysV::getSemSetKey(  const LOW_deviceID &inDevID)
00037 {
00038   LOW_deviceIDRaw::devSerNum_t  serial;
00039   inDevID.getSerialNum( serial);
00040   return (serial[3]<<24) | (serial[2]<<16) | (serial[1]<<8) | serial[0];
00041 }
00042 
00043   
00044 LOW_sharedMemSegmentFactory::sharedMemSegmentIPCKey_t LOW_IPCKeyGenerator_SysV::getSharedMemKey(  const LOW_portSerialFactory::portSpecifier_t &inSerPortSpec)
00045 {
00046   return ftok( inSerPortSpec.c_str(), 2);
00047 }

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