00001 // 00002 // memproc.h 00003 // 00004 // Copyright (C) 1996 Limit Point Systems, Inc. 00005 // 00006 // Author: Curtis Janssen <cljanss@limitpt.com> 00007 // Maintainer: LPS 00008 // 00009 // This file is part of the SC Toolkit. 00010 // 00011 // The SC Toolkit is free software; you can redistribute it and/or modify 00012 // it under the terms of the GNU Library General Public License as published by 00013 // the Free Software Foundation; either version 2, or (at your option) 00014 // any later version. 00015 // 00016 // The SC Toolkit is distributed in the hope that it will be useful, 00017 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00018 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00019 // GNU Library General Public License for more details. 00020 // 00021 // You should have received a copy of the GNU Library General Public License 00022 // along with the SC Toolkit; see the file COPYING.LIB. If not, write to 00023 // the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. 00024 // 00025 // The U.S. Government is granted a limited license as per AL 91-7. 00026 // 00027 00028 #ifdef __GNUC__ 00029 #pragma interface 00030 #endif 00031 00032 #ifndef _util_group_memproc_h 00033 #define _util_group_memproc_h 00034 00035 #include <sys/types.h> 00036 00037 #include <util/group/memmsg.h> 00038 00041 class ProcMemoryGrp: public MemoryGrp { 00042 private: 00043 char *data_; 00044 public: 00045 ProcMemoryGrp(); 00046 ProcMemoryGrp(const Ref<KeyVal>&); 00047 ~ProcMemoryGrp(); 00048 00049 void set_localsize(int); 00050 void *localdata(); 00051 00052 void *obtain_readwrite(distsize_t offset, int size); 00053 void *obtain_readonly(distsize_t offset, int size); 00054 void *obtain_writeonly(distsize_t offset, int size); 00055 void release_readonly(void *data, distsize_t offset, int size); 00056 void release_writeonly(void *data, distsize_t offset, int size); 00057 void release_readwrite(void *data, distsize_t offset, int size); 00058 00059 void sync(); 00060 }; 00061 00062 #endif 00063 00064 // Local Variables: 00065 // mode: c++ 00066 // c-file-style: "CLJ" 00067 // End: