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56 lines (50 loc) · 2.05 KB
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// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you 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.
#include "./arrow_types.h"
#include <arrow/io/type_fwd.h>
#include <arrow/util/parallel.h>
//' View and manage the capacity of the global thread pool
//'
//' Get the capacity of the global thread pool
//'
//' `GetCpuThreadPoolCapacity()` returns the number of worker threads in the
//' thread pool to which
//' Arrow dispatches various CPU-bound tasks. This is an ideal number,
//' not necessarily the exact number of threads at a given point in time.
//' You can change this number using `SetCpuThreadPoolCapacity()`.
//'
//' @param threads the number of worker threads in the thread pool to which
//' Arrow dispatches various CPU-bound tasks.
//'
//' @return `GetCpuThreadPoolCapacity()` returns the number of worker threads.
//' `SetCpuThreadPoolCapacity()` returns nothing.
//' @export
//' @name threadpool
// [[arrow::export]]
int GetCpuThreadPoolCapacity() { return arrow::GetCpuThreadPoolCapacity(); }
//' @rdname threadpool
//' @export
// [[arrow::export]]
void SetCpuThreadPoolCapacity(int threads) {
StopIfNotOk(arrow::SetCpuThreadPoolCapacity(threads));
}
// [[arrow::export]]
int GetIOThreadPoolCapacity() { return arrow::io::GetIOThreadPoolCapacity(); }
// [[arrow::export]]
void SetIOThreadPoolCapacity(int threads) {
StopIfNotOk(arrow::io::SetIOThreadPoolCapacity(threads));
}