MPQC  2.3.1
memmsg.h
1 //
2 // memmsg.h
3 //
4 // Copyright (C) 1996 Limit Point Systems, Inc.
5 //
6 // Author: Curtis Janssen <cljanss@limitpt.com>
7 // Maintainer: LPS
8 //
9 // This file is part of the SC Toolkit.
10 //
11 // The SC Toolkit is free software; you can redistribute it and/or modify
12 // it under the terms of the GNU Library General Public License as published by
13 // the Free Software Foundation; either version 2, or (at your option)
14 // any later version.
15 //
16 // The SC Toolkit is distributed in the hope that it will be useful,
17 // but WITHOUT ANY WARRANTY; without even the implied warranty of
18 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 // GNU Library General Public License for more details.
20 //
21 // You should have received a copy of the GNU Library General Public License
22 // along with the SC Toolkit; see the file COPYING.LIB. If not, write to
23 // the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
24 //
25 // The U.S. Government is granted a limited license as per AL 91-7.
26 //
27 
28 #ifdef __GNUC__
29 #pragma interface
30 #endif
31 
32 #ifndef _util_group_memmsg_h
33 #define _util_group_memmsg_h
34 
35 #include <util/group/message.h>
36 #include <util/group/memory.h>
37 
38 namespace sc {
39 
41 class MsgMemoryGrp: public MemoryGrp {
42 
43  protected:
44  Ref<MessageGrp> msg_;
45  public:
46  MsgMemoryGrp(const Ref<MessageGrp>& msg);
47  MsgMemoryGrp(const Ref<KeyVal>& keyval);
48  ~MsgMemoryGrp();
49  void set_localsize(size_t localsize);
50 
51  void sync();
52 };
53 
54 }
55 
56 #endif
57 
58 // Local Variables:
59 // mode: c++
60 // c-file-style: "CLJ"
61 // End:
sc::Ref
A template class that maintains references counts.
Definition: ref.h:332
sc::MsgMemoryGrp::set_localsize
void set_localsize(size_t localsize)
Set the size of locally held memory.
sc::MemoryGrp
The MemoryGrp abstract class provides a way of accessing distributed memory in a parallel machine.
Definition: memory.h:124
sc::MemoryGrp::localsize
size_t localsize()
Returns the amount of memory residing locally on me().
Definition: memory.h:159
sc::MsgMemoryGrp::sync
void sync()
Synchronizes all the nodes.
sc::MsgMemoryGrp
A MsgMemoryGrp that initializes its data using a messagegrp.
Definition: memmsg.h:41

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