MPQC
3.0.0-alpha
globcnt.h
1
//
2
// globcnt.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
#ifndef _util_group_globcnt_h
29
#define _util_group_globcnt_h
30
31
namespace
sc
{
32
40
class
GlobalCounter
{
41
private
:
42
int
semid_;
43
int
controls_release_;
44
45
void
cleanup();
46
47
public
:
48
GlobalCounter
();
49
void
initialize();
50
void
initialize(
const
char
*stringrep);
51
~
GlobalCounter
();
52
53
char
*stringrep();
54
55
void
wait_for_zero();
56
void
operator += (
int
);
57
void
operator ++();
58
void
operator --();
59
void
operator ++(
int
) { operator++(); }
60
void
operator --(
int
) { operator--(); }
61
void
operator = (
int
);
62
63
int
val();
64
};
65
66
}
67
68
#endif
69
70
// Local Variables:
71
// mode: c++
72
// c-file-style: "CLJ"
73
// End:
sc::GlobalCounter
The GlobalCounter class allows processes on the same SMP node to share a counter using SysV IPC semap...
Definition:
globcnt.h:40
sc
Contains all MPQC code up to version 3.
Definition:
mpqcin.h:14
Generated at Sun Jan 26 2020 23:24:01 for
MPQC
3.0.0-alpha using the documentation package
Doxygen
1.8.16.