Adding upstream version 18.2.2.upstream/18.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 44 insertions, 0 deletions

diff --git a/src/arrow/r/R/config.R b/src/arrow/r/R/config.R
new file mode 100644
index 000000000..af07ad9a9
--- /dev/null
+++ b/src/arrow/r/R/config.R
@@ -0,0 +1,44 @@
+# 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.
+
+#' Manage the global CPU thread pool in libarrow
+#'
+#' @export
+cpu_count <- function() {
+  GetCpuThreadPoolCapacity()
+}
+
+#' @rdname cpu_count
+#' @param num_threads integer: New number of threads for thread pool
+#' @export
+set_cpu_count <- function(num_threads) {
+  SetCpuThreadPoolCapacity(as.integer(num_threads))
+}
+
+#' Manage the global I/O thread pool in libarrow
+#'
+#' @export
+io_thread_count <- function() {
+  GetIOThreadPoolCapacity()
+}
+
+#' @rdname io_thread_count
+#' @param num_threads integer: New number of threads for thread pool
+#' @export
+set_io_thread_count <- function(num_threads) {
+  SetIOThreadPoolCapacity(as.integer(num_threads))
+}