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/* __ *\
** ________ ___ / / ___ Scala API **
** / __/ __// _ | / / / _ | (c) 2003-2011, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ | http://scala-lang.org/ **
** /____/\___/_/ |_/____/_/ | | **
** |/ **
\* */
package scala.sys
/** A minimal Thread wrapper to enhance shutdown hooks. It knows
* how to unregister itself.
*
* @author Paul Phillips
* @version 2.9
* @since 2.9
*/
class ShutdownHookThread private (name: String) extends Thread(name) {
def remove() = runtime removeShutdownHook this
}
object ShutdownHookThread {
private var hookNameCount: Int = 0
private def hookName(): String = synchronized {
hookNameCount += 1
"shutdownHook" + hookNameCount
}
/** Creates, names, and registers a shutdown hook to run the
* given code.
*/
def apply(body: => Unit): ShutdownHookThread = {
val t = new ShutdownHookThread(hookName()) {
override def run() = body
}
runtime addShutdownHook t
t
}
}
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