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package scala.reflect
package runtime
private[reflect] trait Gil {
self: SymbolTable =>
// fixme... please...
// there are the following avenues of optimization we discussed with Roland:
// 1) replace PackageScope locks with ConcurrentHashMap, because PackageScope materializers seem to be idempotent
// 2) unlock unpickling completers by verifying that they are idempotent or moving non-idempotent parts
// 3) remove the necessity in global state for isSubType
private lazy val gil = new java.util.concurrent.locks.ReentrantLock
@inline final def gilSynchronized[T](body: => T): T = {
if (isCompilerUniverse) body
else {
try {
gil.lock()
body
} finally {
gil.unlock()
}
}
}
}
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