Intel(R) Threading Building Blocks Doxygen Documentation version 4.2.3
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null_mutex.h
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1/*
2 Copyright (c) 2005-2020 Intel Corporation
3
4 Licensed under the Apache License, Version 2.0 (the "License");
5 you may not use this file except in compliance with the License.
6 You may obtain a copy of the License at
7
8 http://www.apache.org/licenses/LICENSE-2.0
9
10 Unless required by applicable law or agreed to in writing, software
11 distributed under the License is distributed on an "AS IS" BASIS,
12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 See the License for the specific language governing permissions and
14 limitations under the License.
15*/
16
17#ifndef __TBB_null_mutex_H
18#define __TBB_null_mutex_H
19
20#include "tbb_stddef.h"
21
22namespace tbb {
23
25
28public:
31 public:
35 void acquire( null_mutex& ) {}
36 bool try_acquire( null_mutex& ) { return true; }
37 void release() {}
38 };
39
41
42 // Mutex traits
43 static const bool is_rw_mutex = false;
44 static const bool is_recursive_mutex = true;
45 static const bool is_fair_mutex = true;
46};
47
48}
49
50#endif /* __TBB_null_mutex_H */
The graph class.
A mutex which does nothing.
Definition null_mutex.h:27
static const bool is_rw_mutex
Definition null_mutex.h:43
static const bool is_recursive_mutex
Definition null_mutex.h:44
static const bool is_fair_mutex
Definition null_mutex.h:45
Represents acquisition of a mutex.
Definition null_mutex.h:30
void acquire(null_mutex &)
Definition null_mutex.h:35
bool try_acquire(null_mutex &)
Definition null_mutex.h:36
Base class for types that should not be copied or assigned.
Definition tbb_stddef.h:330

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