null_rw_mutex.h
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/*
Copyright (c) 2005-2020 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.
*/
#ifndef __TBB_null_rw_mutex_H
#define __TBB_null_rw_mutex_H
#include "tbb_stddef.h"
namespace tbb {
class null_rw_mutex : internal::mutex_copy_deprecated_and_disabled {
public:
class scoped_lock : internal::no_copy {
public:
scoped_lock() {}
scoped_lock( null_rw_mutex& , bool = true ) {}
~scoped_lock() {}
void acquire( null_rw_mutex& , bool = true ) {}
bool upgrade_to_writer() { return true; }
bool downgrade_to_reader() { return true; }
bool try_acquire( null_rw_mutex& , bool = true ) { return true; }
void release() {}
};
null_rw_mutex() {}
// Mutex traits
static const bool is_rw_mutex = true;
static const bool is_recursive_mutex = true;
static const bool is_fair_mutex = true;
};
}
#endif /* __TBB_null_rw_mutex_H */
tbb_stddef.h
tbb
The graph class.
Definition: serial/tbb/parallel_for.h:46
tbb::null_rw_mutex
A rw mutex which does nothing.
Definition: null_rw_mutex.h:27
tbb::null_rw_mutex::is_rw_mutex
static const bool is_rw_mutex
Definition: null_rw_mutex.h:45
tbb::null_rw_mutex::is_recursive_mutex
static const bool is_recursive_mutex
Definition: null_rw_mutex.h:46
tbb::null_rw_mutex::is_fair_mutex
static const bool is_fair_mutex
Definition: null_rw_mutex.h:47
tbb::null_rw_mutex::null_rw_mutex
null_rw_mutex()
Definition: null_rw_mutex.h:42
tbb::null_rw_mutex::scoped_lock
Represents acquisition of a mutex.
Definition: null_rw_mutex.h:30
tbb::null_rw_mutex::scoped_lock::upgrade_to_writer
bool upgrade_to_writer()
Definition: null_rw_mutex.h:36
tbb::null_rw_mutex::scoped_lock::acquire
void acquire(null_rw_mutex &, bool=true)
Definition: null_rw_mutex.h:35
tbb::null_rw_mutex::scoped_lock::~scoped_lock
~scoped_lock()
Definition: null_rw_mutex.h:34
tbb::null_rw_mutex::scoped_lock::scoped_lock
scoped_lock(null_rw_mutex &, bool=true)
Definition: null_rw_mutex.h:33
tbb::null_rw_mutex::scoped_lock::release
void release()
Definition: null_rw_mutex.h:39
tbb::null_rw_mutex::scoped_lock::downgrade_to_reader
bool downgrade_to_reader()
Definition: null_rw_mutex.h:37
tbb::null_rw_mutex::scoped_lock::scoped_lock
scoped_lock()
Definition: null_rw_mutex.h:32
tbb::null_rw_mutex::scoped_lock::try_acquire
bool try_acquire(null_rw_mutex &, bool=true)
Definition: null_rw_mutex.h:38
tbb::internal::no_copy
Base class for types that should not be copied or assigned.
Definition: tbb_stddef.h:330
tbb::internal::mutex_copy_deprecated_and_disabled
Definition: tbb_stddef.h:365

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