[0b990d] | 1 | //
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| 2 | // fileproc.cc
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| 3 | //
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| 4 | // Copyright (C) 1996 Limit Point Systems, Inc.
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| 5 | //
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| 6 | // Author: Curtis Janssen <cljanss@limitpt.com>
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| 7 | // Maintainer: LPS
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| 8 | //
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| 9 | // This file is part of the SC Toolkit.
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| 10 | //
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| 11 | // The SC Toolkit is free software; you can redistribute it and/or modify
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| 12 | // it under the terms of the GNU Library General Public License as published by
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| 13 | // the Free Software Foundation; either version 2, or (at your option)
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| 14 | // any later version.
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| 15 | //
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| 16 | // The SC Toolkit is distributed in the hope that it will be useful,
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| 17 | // but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 18 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 19 | // GNU Library General Public License for more details.
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| 20 | //
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| 21 | // You should have received a copy of the GNU Library General Public License
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| 22 | // along with the SC Toolkit; see the file COPYING.LIB. If not, write to
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| 23 | // the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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| 24 | //
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| 25 | // The U.S. Government is granted a limited license as per AL 91-7.
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| 26 | //
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| 27 |
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| 28 | #ifndef _util_group_fileproc_cc
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| 29 | #define _util_group_fileproc_cc
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| 30 |
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| 31 | #ifdef __GNUC__
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| 32 | #pragma implementation
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| 33 | #endif
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| 34 |
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| 35 | #include <util/group/fileproc.h>
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| 36 |
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| 37 | using namespace sc;
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| 38 |
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| 39 | static ClassDesc ProcFileGrp_cd(
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| 40 | typeid(ProcFileGrp),"ProcFileGrp",1,"public FileGrp",
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| 41 | 0, create<ProcFileGrp>, 0);
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| 42 |
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| 43 | ProcFileGrp::ProcFileGrp()
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| 44 | {
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| 45 | data_ = 0;
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| 46 | offsets_ = 0;
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| 47 | }
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| 48 |
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| 49 | ProcFileGrp::ProcFileGrp(const Ref<KeyVal>& keyval):
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| 50 | FileGrp(keyval)
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| 51 | {
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| 52 | data_ = 0;
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| 53 | offsets_ = 0;
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| 54 | }
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| 55 |
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| 56 | ProcFileGrp::~ProcFileGrp()
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| 57 | {
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| 58 | delete[] data_;
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| 59 | }
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| 60 |
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| 61 | ProcFileGrp*
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| 62 | ProcFileGrp::clone()
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| 63 | {
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| 64 | return new ProcFileGrp;
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| 65 | }
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| 66 |
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| 67 | void
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| 68 | ProcFileGrp::set_localsize(size_t localsize)
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| 69 | {
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| 70 | delete[] offsets_;
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| 71 | delete[] data_;
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| 72 | offsets_ = new distsize_t[2];
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| 73 | offsets_[0] = 0;
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| 74 | offsets_[1] = localsize;
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| 75 | n_ = 1;
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| 76 | me_ = 0;
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| 77 | data_ = new char[localsize];
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| 78 | }
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| 79 |
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| 80 | void *
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| 81 | ProcFileGrp::localdata()
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| 82 | {
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| 83 | return data_;
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| 84 | }
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| 85 |
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| 86 | void *
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| 87 | ProcFileGrp::obtain_readwrite(distsize_t offset, int size)
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| 88 | {
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| 89 | obtain_local_lock(offset-localoffset(), offset-localoffset()+size);
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| 90 | return &data_[distsize_to_size(offset)];
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| 91 | }
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| 92 |
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| 93 | void *
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| 94 | ProcFileGrp::obtain_readonly(distsize_t offset, int size)
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| 95 | {
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| 96 | return &data_[distsize_to_size(offset)];
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| 97 | }
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| 98 |
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| 99 | void *
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| 100 | ProcFileGrp::obtain_writeonly(distsize_t offset, int size)
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| 101 | {
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| 102 | return &data_[distsize_to_size(offset)];
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| 103 | }
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| 104 |
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| 105 | void
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| 106 | ProcFileGrp::release_readonly(void *data, distsize_t offset, int size)
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| 107 | {
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| 108 | }
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| 109 |
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| 110 | void
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| 111 | ProcFileGrp::release_writeonly(void *data, distsize_t offset, int size)
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| 112 | {
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| 113 | }
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| 114 |
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| 115 | void
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| 116 | ProcFileGrp::release_readwrite(void *data, distsize_t offset, int size)
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| 117 | {
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| 118 | release_local_lock(offset-localoffset(), offset-localoffset()+size);
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| 119 | }
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| 120 |
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| 121 | void
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| 122 | ProcFileGrp::sync()
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| 123 | {
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| 124 | }
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| 125 |
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| 126 | #endif
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| 127 |
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| 128 | /////////////////////////////////////////////////////////////////////////////
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| 129 |
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| 130 | // Local Variables:
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| 131 | // mode: c++
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| 132 | // c-file-style: "CLJ"
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| 133 | // End:
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