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Simplify ZIOApp #8101

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Merged
merged 1 commit into from
May 7, 2023
Merged

Simplify ZIOApp #8101

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58 changes: 28 additions & 30 deletions core/jvm/src/main/scala/zio/ZIOAppPlatformSpecific.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -24,43 +24,41 @@ private[zio] trait ZIOAppPlatformSpecific { self: ZIOApp =>
} yield result).provideLayer(newLayer.tapErrorCause(ZIO.logErrorCause(_)))

runtime.unsafe.run {
ZIO.fiberId.flatMap { mainFiberId =>
(for {
fiber <- workflow.fork
_ <-
ZIO.succeed(Platform.addShutdownHook { () =>
if (!shuttingDown.getAndSet(true)) {
for {
fiberId <- ZIO.fiberId
fiber <- workflow.exitCode.tap(exitCode => interruptRootFibers(fiberId) *> exit(exitCode)).fork
_ <-
ZIO.succeed(Platform.addShutdownHook { () =>
if (!shuttingDown.getAndSet(true)) {

if (FiberRuntime.catastrophicFailure.get) {
println(
"**** WARNING ****\n" +
"Catastrophic error encountered. " +
"Application not safely interrupted. " +
"Resources may be leaked. " +
"Check the logs for more details and consider overriding `Runtime.reportFatal` to capture context."
)
} else {
try {
runtime.unsafe.run(fiber.interrupt *> interruptRootFibers(mainFiberId))
} catch {
case _: Throwable =>
}
if (FiberRuntime.catastrophicFailure.get) {
println(
"**** WARNING ****\n" +
"Catastrophic error encountered. " +
"Application not safely interrupted. " +
"Resources may be leaked. " +
"Check the logs for more details and consider overriding `Runtime.reportFatal` to capture context."
)
} else {
try {
runtime.unsafe.run(fiber.interrupt)
} catch {
case _: Throwable =>
}

()
}
})
result <- fiber.join
} yield result).exitCode.tap(exitCode => interruptRootFibers(mainFiberId) *> exit(exitCode))
}

()
}
})
result <- fiber.join
} yield result
}.getOrThrowFiberFailure()
}

private def interruptRootFibers(mainFiberId: FiberId)(implicit trace: Trace): UIO[Unit] =
private def interruptRootFibers(fiberId: FiberId)(implicit trace: Trace): UIO[Unit] =
for {
fiberId <- ZIO.fiberId
roots <- Fiber.roots
_ <- Fiber.interruptAll(roots.filterNot(root => root.id == fiberId || root.id == mainFiberId))
roots <- Fiber.roots
_ <- Fiber.interruptAll(roots.filterNot(_ == fiberId))
} yield ()

}