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IORuntimeConfigCompanionPlatform.scala
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IORuntimeConfigCompanionPlatform.scala
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/*
* Copyright 2020-2022 Typelevel
*
* 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 cats.effect
package unsafe
import scala.concurrent.duration.{Duration, FiniteDuration}
import scala.util.Try
private[unsafe] abstract class IORuntimeConfigCompanionPlatform { this: IORuntimeConfig.type =>
// TODO make the cancelation and auto-yield properties have saner names
protected final val Default: IORuntimeConfig = {
val cancelationCheckThreshold =
Try(System.getProperty("cats.effect.cancelation.check.threshold").toInt).getOrElse(512)
val autoYieldThreshold =
Try(System.getProperty("cats.effect.auto.yield.threshold.multiplier").toInt)
.getOrElse(2) * cancelationCheckThreshold
val enhancedExceptions =
Try(System.getProperty("cats.effect.tracing.exceptions.enhanced").toBoolean)
.getOrElse(DefaultEnhancedExceptions)
val traceBufferSize =
Try(System.getProperty("cats.effect.tracing.buffer.size").toInt)
.getOrElse(DefaultTraceBufferSize)
val shutdownHookTimeout =
Try(System.getProperty("cats.effect.shutdown.hook.timeout"))
.map(Duration(_))
.getOrElse(DefaultShutdownHookTimeout)
val reportUnhandledFiberErrors =
Try(System.getProperty("cats.effect.report.unhandledFiberErrors").toBoolean)
.getOrElse(DefaultReportUnhandledFiberErrors)
val cpuStarvationCheckInterval =
Try(System.getProperty("cats.effect.cpu.starvation.check.interval"))
.map(Duration(_))
.flatMap { d => Try(d.asInstanceOf[FiniteDuration]) }
.getOrElse(DefaultCpuStarvationCheckInterval)
val cpuStarvationCheckInitialDelay =
Try(System.getProperty("cats.effect.cpu.starvation.check.initialDelay"))
.map(Duration(_))
.getOrElse(DefaultCpuStarvationCheckInitialDelay)
val cpuStarvationCheckThreshold =
Try(System.getProperty("cats.effect.cpu.starvation.check.threshold"))
.flatMap(p => Try(p.toDouble))
.getOrElse(DefaultCpuStarvationCheckThreshold)
apply(
cancelationCheckThreshold,
autoYieldThreshold,
enhancedExceptions,
traceBufferSize,
shutdownHookTimeout,
reportUnhandledFiberErrors,
cpuStarvationCheckInterval,
cpuStarvationCheckInitialDelay,
cpuStarvationCheckThreshold
)
}
}