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# fileproc.h

    00001 //
    00002 // fileproc.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_fileproc_h
    00033 #define _util_group_fileproc_h
    00034
    00035 #include <sys/types.h>
    00036
    00037 #include <util/group/memmsg.h>
    00038
    00039 namespace sc {
    00040
    00043 class ProcFileGrp: public FileGrp {
    00044   private:
    00045     int datafile_;
    00046   public:
    00047     ProcFileGrp();
    00048     ProcFileGrp(const Ref<KeyVal>&);
    00049     ~ProcFileGrp();
    00050
    00051     ProcFileGrp* clone();
    00052
    00053     void set_localsize(size_t);
    00054     void *localdata();
    00055
    00056     void *obtain_readwrite(distsize_t offset, int size);
    00057     void *obtain_readonly(distsize_t offset, int size);
    00058     void *obtain_writeonly(distsize_t offset, int size);
    00059     void release_readonly(void *data, distsize_t offset, int size);
    00060     void release_writeonly(void *data, distsize_t offset, int size);
    00061     void release_readwrite(void *data, distsize_t offset, int size);
    00062
    00063     void sync();
    00064 };
    00065
    00066 }
    00067
    00068 #endif
    00069
    00070 // Local Variables:
    00071 // mode: c++
    00072 // c-file-style: "CLJ"
    00073 // End: