/
tbb.i
145 lines (132 loc) · 4.91 KB
/
tbb.i
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
%pythonbegin %{
#
# Copyright (c) 2005-2017 Intel Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
#
#
#
# Based on the software developed by:
# Copyright (c) 2008,2016 david decotigny (Pool of threads)
# Copyright (c) 2006-2008, R Oudkerk (multiprocessing.Pool)
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# 3. Neither the name of author nor the names of any contributors may be
# used to endorse or promote products derived from this software
# without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS "AS IS" AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
from __future__ import print_function
%}
%begin %{
/* Defines Python wrappers for Intel(R) Threading Building Blocks (Intel TBB).*/
%}
%module TBB
#if SWIG_VERSION < 0x030001
#error SWIG version 3.0.6 or newer is required for correct functioning
#endif
%{
#include <tbb/tbb.h>
using namespace tbb;
class PyCaller : public swig::SwigPtr_PyObject {
public:
// icpc 2013 does not support simple using SwigPtr_PyObject::SwigPtr_PyObject;
PyCaller(const PyCaller& s) : SwigPtr_PyObject(s) {}
PyCaller(PyObject *p, bool initial = true) : SwigPtr_PyObject(p, initial) {}
void operator()() const {
SWIG_PYTHON_THREAD_BEGIN_BLOCK;
PyObject* r = PyObject_CallFunctionObjArgs((PyObject*)*this, NULL);
if(r) Py_DECREF(r);
SWIG_PYTHON_THREAD_END_BLOCK;
}
};
struct ArenaPyCaller {
task_arena *my_arena;
PyObject *my_callable;
ArenaPyCaller(task_arena *a, PyObject *c) : my_arena(a), my_callable(c) {
SWIG_PYTHON_THREAD_BEGIN_BLOCK;
Py_XINCREF(c);
SWIG_PYTHON_THREAD_END_BLOCK;
}
void operator()() const {
my_arena->execute(PyCaller(my_callable, false));
}
};
%}
namespace tbb {
class task_scheduler_init {
public:
//! Typedef for number of threads that is automatic.
static const int automatic = -1;
//! Argument to initialize() or constructor that causes initialization to be deferred.
static const int deferred = -2;
task_scheduler_init( int max_threads=automatic,
size_t thread_stack_size=0 );
~task_scheduler_init();
void initialize( int max_threads=automatic );
void terminate();
static int default_num_threads();
bool is_active() const;
};
class task_arena {
public:
static const int automatic = -1;
static int current_thread_index();
task_arena(int max_concurrency = automatic, unsigned reserved_for_masters = 1);
task_arena(const task_arena &s);
~task_arena();
void initialize();
void initialize(int max_concurrency, unsigned reserved_for_masters = 1);
void terminate();
bool is_active();
%extend {
void enqueue( PyObject *c ) { $self->enqueue(PyCaller(c)); }
void execute( PyObject *c ) { $self->execute(PyCaller(c)); }
};
};
class task_group {
public:
task_group();
~task_group();
void wait();
bool is_canceling();
void cancel();
%extend {
void run( PyObject *c ) { $self->run(PyCaller(c)); }
void run( PyObject *c, task_arena *a ) { $self->run(ArenaPyCaller(a, c)); }
};
};
}
// Python part of the module
%pythoncode "tbb.src.py"