dnnl_threadpool_iface.hpp

/*******************************************************************************
* Copyright 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 DNNL_THREADPOOL_IFACE_HPP
#define DNNL_THREADPOOL_IFACE_HPP
 
#include <functional>
 
namespace dnnl {

struct threadpool_iface {
    virtual int get_num_threads() const = 0;

    virtual bool get_in_parallel() const = 0;

    virtual void parallel_for(int n, const std::function<void(int, int)> &fn)
            = 0;

    virtual uint64_t get_flags() const = 0;

    static constexpr uint64_t ASYNCHRONOUS = 1;
 
    virtual ~threadpool_iface() {}
};
 
} // namespace dnnl
 
#endif