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/*
* Copyright (C) 2014 Square, Inc.
*
* 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.
*/
package okio
/**
* A collection of unused segments, necessary to avoid GC churn and zero-fill.
* This pool is a thread-safe static singleton.
*/
internal expect object SegmentPool {
val MAX_SIZE: Int
/**
* For testing only. Returns a snapshot of the number of bytes currently in the pool. If the pool
* is segmented such as by thread, this returns the byte count accessible to the calling thread.
*/
val byteCount: Int
/** Return a segment for the caller's use. */
fun take(): Segment
/** Recycle a segment that the caller no longer needs. */
fun recycle(segment: Segment)
}