Mercurial > octave

annotate liboctave/util/oct-refcount.h @ 21139:538b57866b90

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
consistently use "typename" intead of "class" in template declarations * Object.h, QtHandlesUtils.cc, QtHandlesUtils.h, ToolBarButton.cc, ToolBarButton.h, Cell.h, __lin_interpn__.cc, bitfcns.cc, bsxfun.cc, cellfun.cc, data.cc, filter.cc, gcd.cc, graphics.cc, help.cc, kron.cc, lookup.cc, ls-mat5.cc, ls-oct-text.h, lu.cc, max.cc, mgorth.cc, oct-map.cc, oct-map.h, oct-stream.cc, oct-stream.h, octave-link.h, pr-output.cc, profiler.h, schur.cc, sparse-xdiv.cc, sparse-xpow.cc, sqrtm.cc, symtab.h, tril.cc, typecast.cc, variables.cc, xdiv.cc, zfstream.h, __init_fltk__.cc, __magick_read__.cc, chol.cc, qr.cc, ov-base-diag.cc, ov-base-diag.h, ov-base-int.cc, ov-base-int.h, ov-base-mat.cc, ov-base-mat.h, ov-base-scalar.cc, ov-base-scalar.h, ov-base-sparse.cc, ov-base-sparse.h, ov-base.h, ov-classdef.cc, ov-int-traits.h, ov-java.h, ov-usr-fcn.h, ov.cc, ov.h, op-dms-template.cc, oct-parse.in.yy, parse.h, pt-mat.cc, Array-b.cc, Array.cc, Array.h, CDiagMatrix.h, CMatrix.h, CNDArray.h, DiagArray2.cc, DiagArray2.h, MArray.cc, MArray.h, MDiagArray2.cc, MDiagArray2.h, MSparse.cc, MSparse.h, MatrixType.cc, Sparse.cc, Sparse.h, dDiagMatrix.h, dMatrix.h, dNDArray.h, fCDiagMatrix.h, fCMatrix.h, fCNDArray.h, fDiagMatrix.h, fMatrix.h, fNDArray.h, idx-vector.cc, idx-vector.h, intNDArray.cc, intNDArray.h, DET.h, base-aepbal.h, base-lu.cc, base-lu.h, base-qr.cc, base-qr.h, bsxfun-defs.cc, eigs-base.cc, lo-mappers.h, lo-specfun.cc, lo-specfun.h, oct-convn.cc, oct-fftw.cc, oct-norm.cc, sparse-base-chol.cc, sparse-base-chol.h, sparse-base-lu.cc, sparse-base-lu.h, sparse-dmsolve.cc, mx-inlines.cc, action-container.h, base-list.h, lo-traits.h, lo-utils.h, oct-base64.h, oct-binmap.h, oct-cmplx.h, oct-inttypes.cc, oct-inttypes.h, oct-locbuf.h, oct-refcount.h, oct-sort.cc, oct-sort.h: Use "typename" instead of "class" in template declarations.
author John W. Eaton <jwe@octave.org>
date Sun, 24 Jan 2016 13:50:04 -0500
parents 54527108599a
children f7121e111991
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
12125
a21a3875ca83 implement a common class for reference counts
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
1 /*
a21a3875ca83 implement a common class for reference counts
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
2
19697
4197fc428c7d maint: Update copyright notices for 2015.
John W. Eaton <jwe@octave.org>
parents: 17822
diff changeset
3 Copyright (C) 2012-2015 Jaroslav Hajek
12125
a21a3875ca83 implement a common class for reference counts
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
4
a21a3875ca83 implement a common class for reference counts
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
5 This file is part of Octave.
a21a3875ca83 implement a common class for reference counts
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
6
a21a3875ca83 implement a common class for reference counts
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
7 Octave is free software; you can redistribute it and/or modify it
a21a3875ca83 implement a common class for reference counts
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
8 under the terms of the GNU General Public License as published by the
a21a3875ca83 implement a common class for reference counts
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
9 Free Software Foundation; either version 3 of the License, or (at your
a21a3875ca83 implement a common class for reference counts
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
10 option) any later version.
a21a3875ca83 implement a common class for reference counts
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
11
a21a3875ca83 implement a common class for reference counts
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
12 Octave is distributed in the hope that it will be useful, but WITHOUT
a21a3875ca83 implement a common class for reference counts
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
a21a3875ca83 implement a common class for reference counts
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
a21a3875ca83 implement a common class for reference counts
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
15 for more details.
a21a3875ca83 implement a common class for reference counts
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
16
a21a3875ca83 implement a common class for reference counts
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
17 You should have received a copy of the GNU General Public License
a21a3875ca83 implement a common class for reference counts
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
18 along with Octave; see the file COPYING. If not, see
a21a3875ca83 implement a common class for reference counts
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
19 <http://www.gnu.org/licenses/>.
a21a3875ca83 implement a common class for reference counts
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
20
a21a3875ca83 implement a common class for reference counts
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
21 */
a21a3875ca83 implement a common class for reference counts
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
22
20791
f7084eae3318 maint: Use Octave coding conventions for #if statements.
Rik <rik@octave.org>
parents: 19697
diff changeset
23 #if ! defined (octave_oct_refcount_h)
17822
ebb3ef964372 maint: Use common #define syntax "octave_filename_h" in h_files.
Rik <rik@octave.org>
parents: 17769
diff changeset
24 #define octave_oct_refcount_h 1
12125
a21a3875ca83 implement a common class for reference counts
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
25
13985
43cc49c7abd1 Use thread-safe atomic reference counting (GCC and MSVC).
Michael Goffioul <michael.goffioul@gmail.com>
parents: 12174
diff changeset
26 #ifndef OCTAVE_CONFIG_INCLUDED
43cc49c7abd1 Use thread-safe atomic reference counting (GCC and MSVC).
Michael Goffioul <michael.goffioul@gmail.com>
parents: 12174
diff changeset
27 # error "The file <octave/config.h> must be included before oct-refcount.h."
43cc49c7abd1 Use thread-safe atomic reference counting (GCC and MSVC).
Michael Goffioul <michael.goffioul@gmail.com>
parents: 12174
diff changeset
28 #endif
43cc49c7abd1 Use thread-safe atomic reference counting (GCC and MSVC).
Michael Goffioul <michael.goffioul@gmail.com>
parents: 12174
diff changeset
29
21131
54527108599a store more --enable-FEATURE info in octave_config_info
John W. Eaton <jwe@octave.org>
parents: 20945
diff changeset
30 #if defined (ENABLE_ATOMIC_REFCOUNT) && (defined (_MSC_VER) || defined (__GNUC__))
13985
43cc49c7abd1 Use thread-safe atomic reference counting (GCC and MSVC).
Michael Goffioul <michael.goffioul@gmail.com>
parents: 12174
diff changeset
31 # if defined (_MSC_VER)
43cc49c7abd1 Use thread-safe atomic reference counting (GCC and MSVC).
Michael Goffioul <michael.goffioul@gmail.com>
parents: 12174
diff changeset
32 # include <intrin.h>
43cc49c7abd1 Use thread-safe atomic reference counting (GCC and MSVC).
Michael Goffioul <michael.goffioul@gmail.com>
parents: 12174
diff changeset
33 # define OCTREFCOUNT_ATOMIC_INCREMENT(x) _InterlockedIncrement((long*)x)
43cc49c7abd1 Use thread-safe atomic reference counting (GCC and MSVC).
Michael Goffioul <michael.goffioul@gmail.com>
parents: 12174
diff changeset
34 # define OCTREFCOUNT_ATOMIC_DECREMENT(x) _InterlockedDecrement((long*)x)
43cc49c7abd1 Use thread-safe atomic reference counting (GCC and MSVC).
Michael Goffioul <michael.goffioul@gmail.com>
parents: 12174
diff changeset
35 # define OCTREFCOUNT_ATOMIC_INCREMENT_POST(x) _InterlockedExchangeAdd((long*)x, 1)
43cc49c7abd1 Use thread-safe atomic reference counting (GCC and MSVC).
Michael Goffioul <michael.goffioul@gmail.com>
parents: 12174
diff changeset
36 # define OCTREFCOUNT_ATOMIC_DECREMENT_POST(x) _InterlockedExchangeAdd((long*)x, -1)
43cc49c7abd1 Use thread-safe atomic reference counting (GCC and MSVC).
Michael Goffioul <michael.goffioul@gmail.com>
parents: 12174
diff changeset
37 # elif defined (__GNUC__)
43cc49c7abd1 Use thread-safe atomic reference counting (GCC and MSVC).
Michael Goffioul <michael.goffioul@gmail.com>
parents: 12174
diff changeset
38 # define OCTREFCOUNT_ATOMIC_INCREMENT(x) __sync_add_and_fetch(x, 1)
43cc49c7abd1 Use thread-safe atomic reference counting (GCC and MSVC).
Michael Goffioul <michael.goffioul@gmail.com>
parents: 12174
diff changeset
39 # define OCTREFCOUNT_ATOMIC_DECREMENT(x) __sync_add_and_fetch(x, -1)
43cc49c7abd1 Use thread-safe atomic reference counting (GCC and MSVC).
Michael Goffioul <michael.goffioul@gmail.com>
parents: 12174
diff changeset
40 # define OCTREFCOUNT_ATOMIC_INCREMENT_POST(x) __sync_fetch_and_add(x, 1)
43cc49c7abd1 Use thread-safe atomic reference counting (GCC and MSVC).
Michael Goffioul <michael.goffioul@gmail.com>
parents: 12174
diff changeset
41 # define OCTREFCOUNT_ATOMIC_DECREMENT_POST(x) __sync_fetch_and_add(x, -1)
43cc49c7abd1 Use thread-safe atomic reference counting (GCC and MSVC).
Michael Goffioul <michael.goffioul@gmail.com>
parents: 12174
diff changeset
42 # endif
20945
9d9270e2f98f eliminate comments after preprocessor conditionals
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
43 #else
9d9270e2f98f eliminate comments after preprocessor conditionals
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
44 // Generic non-locking versions
13985
43cc49c7abd1 Use thread-safe atomic reference counting (GCC and MSVC).
Michael Goffioul <michael.goffioul@gmail.com>
parents: 12174
diff changeset
45 # define OCTREFCOUNT_ATOMIC_INCREMENT(x) ++(*(x))
43cc49c7abd1 Use thread-safe atomic reference counting (GCC and MSVC).
Michael Goffioul <michael.goffioul@gmail.com>
parents: 12174
diff changeset
46 # define OCTREFCOUNT_ATOMIC_DECREMENT(x) --(*(x))
43cc49c7abd1 Use thread-safe atomic reference counting (GCC and MSVC).
Michael Goffioul <michael.goffioul@gmail.com>
parents: 12174
diff changeset
47 # define OCTREFCOUNT_ATOMIC_INCREMENT_POST(x) (*(x))++
43cc49c7abd1 Use thread-safe atomic reference counting (GCC and MSVC).
Michael Goffioul <michael.goffioul@gmail.com>
parents: 12174
diff changeset
48 # define OCTREFCOUNT_ATOMIC_DECREMENT_POST(x) (*(x))--
43cc49c7abd1 Use thread-safe atomic reference counting (GCC and MSVC).
Michael Goffioul <michael.goffioul@gmail.com>
parents: 12174
diff changeset
49 #endif
43cc49c7abd1 Use thread-safe atomic reference counting (GCC and MSVC).
Michael Goffioul <michael.goffioul@gmail.com>
parents: 12174
diff changeset
50
12125
a21a3875ca83 implement a common class for reference counts
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
51 // Encapsulates a reference counter.
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 21131
diff changeset
52 template <typename T>
12125
a21a3875ca83 implement a common class for reference counts
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
53 class octave_refcount
a21a3875ca83 implement a common class for reference counts
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
54 {
a21a3875ca83 implement a common class for reference counts
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
55 public:
a21a3875ca83 implement a common class for reference counts
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
56 typedef T count_type;
a21a3875ca83 implement a common class for reference counts
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
57
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
58 octave_refcount(count_type initial_count) : count(initial_count) { }
12125
a21a3875ca83 implement a common class for reference counts
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
59
a21a3875ca83 implement a common class for reference counts
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
60 // Increment/Decrement. int is postfix.
12174
db1f49eaba6b whitespace fixes
John W. Eaton <jwe@octave.org>
parents: 12125
diff changeset
61 count_type operator++(void)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
62 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
63 return OCTREFCOUNT_ATOMIC_INCREMENT (&count);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
64 }
12125
a21a3875ca83 implement a common class for reference counts
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
65
12174
db1f49eaba6b whitespace fixes
John W. Eaton <jwe@octave.org>
parents: 12125
diff changeset
66 count_type operator++(int)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
67 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
68 return OCTREFCOUNT_ATOMIC_INCREMENT_POST (&count);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
69 }
12125
a21a3875ca83 implement a common class for reference counts
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
70
a21a3875ca83 implement a common class for reference counts
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
71 count_type operator--(void)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
72 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
73 return OCTREFCOUNT_ATOMIC_DECREMENT (&count);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
74 }
12125
a21a3875ca83 implement a common class for reference counts
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
75
a21a3875ca83 implement a common class for reference counts
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
76 count_type operator--(int)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
77 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
78 return OCTREFCOUNT_ATOMIC_DECREMENT_POST (&count);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
79 }
12125
a21a3875ca83 implement a common class for reference counts
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
80
13985
43cc49c7abd1 Use thread-safe atomic reference counting (GCC and MSVC).
Michael Goffioul <michael.goffioul@gmail.com>
parents: 12174
diff changeset
81 operator count_type (void) const
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
82 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
83 return static_cast<count_type const volatile&> (count);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
84 }
12125
a21a3875ca83 implement a common class for reference counts
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
85
14951
4c9fd3e31436 Start of jit support for double matricies
Max Brister <max@2bass.com>
parents: 14138
diff changeset
86 count_type *get (void)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
87 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
88 return &count;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
89 }
14951
4c9fd3e31436 Start of jit support for double matricies
Max Brister <max@2bass.com>
parents: 14138
diff changeset
90
12125
a21a3875ca83 implement a common class for reference counts
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
91 private:
a21a3875ca83 implement a common class for reference counts
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
92 count_type count;
a21a3875ca83 implement a common class for reference counts
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
93 };
a21a3875ca83 implement a common class for reference counts
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
94
a21a3875ca83 implement a common class for reference counts
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
95 #endif