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import scala.parallel._
object Test {
def main(args: Array[String]) {
if (util.Properties.isJavaAtLeast("1.6")) {
val vendor = util.Properties.javaVmVendor
if ((vendor contains "Sun") || (vendor contains "Apple")) blockcomp(10)
}
}
val lock = new java.util.concurrent.locks.ReentrantLock
def blockcomp(n: Int): Unit = if (n > 0) {
val (x, y) = par(blockcomp(n - 1), blockcomp(n - 1))
if (n == 8) blocking { // without this blocking block, deadlock occurs
lock.lock()
}
x()
y()
if (n == 8) {
lock.unlock()
}
}
}
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