From af8416bb7ff4d6816f416cd0671e26e2cdc653d7 Mon Sep 17 00:00:00 2001
From: Viktor Klang <viktor.klang@gmail.com>
Date: Fri, 13 Apr 2012 18:11:38 +0200
Subject: Adding NonFatal matching as to not catch anything that should
 terminate the JVM, also adding EX.reportFailure where it makes sense

---
 src/library/scala/concurrent/Future.scala       | 11 ++++++-----
 src/library/scala/concurrent/impl/Future.scala  | 12 ++++--------
 src/library/scala/concurrent/impl/Promise.scala |  2 +-
 3 files changed, 11 insertions(+), 14 deletions(-)

diff --git a/src/library/scala/concurrent/Future.scala b/src/library/scala/concurrent/Future.scala
index f331263d39..40acea91c9 100644
--- a/src/library/scala/concurrent/Future.scala
+++ b/src/library/scala/concurrent/Future.scala
@@ -18,6 +18,7 @@ import java.{ lang => jl }
 import java.util.concurrent.atomic.{ AtomicReferenceFieldUpdater, AtomicInteger, AtomicBoolean }
 
 import scala.concurrent.util.Duration
+import scala.concurrent.impl.NonFatal
 import scala.Option
 
 import scala.annotation.tailrec
@@ -203,7 +204,7 @@ trait Future[+T] extends Awaitable[T] {
       case Right(v) =>
         try p success f(v)
         catch {
-          case t => p complete resolver(t)
+          case NonFatal(t) => p complete resolver(t)
         }
     }
 
@@ -229,7 +230,7 @@ trait Future[+T] extends Awaitable[T] {
             case Right(v) => p success v
           }
         } catch {
-          case t: Throwable => p complete resolver(t)
+          case NonFatal(t) => p complete resolver(t)
         }
     }
 
@@ -262,7 +263,7 @@ trait Future[+T] extends Awaitable[T] {
           if (pred(v)) p success v
           else p failure new NoSuchElementException("Future.filter predicate is not satisfied by: " + v)
         } catch {
-          case t: Throwable => p complete resolver(t)
+          case NonFatal(t) => p complete resolver(t)
         }
     }
 
@@ -336,7 +337,7 @@ trait Future[+T] extends Awaitable[T] {
     onComplete {
       case Left(t) if pf isDefinedAt t =>
         try { p success pf(t) }
-        catch { case t: Throwable => p complete resolver(t) }
+        catch { case NonFatal(t) => p complete resolver(t) }
       case otherwise => p complete otherwise
     }
 
@@ -364,7 +365,7 @@ trait Future[+T] extends Awaitable[T] {
         try {
           p completeWith pf(t)
         } catch {
-          case t: Throwable => p complete resolver(t)
+          case NonFatal(t) => p complete resolver(t)
         }
       case otherwise => p complete otherwise
     }
diff --git a/src/library/scala/concurrent/impl/Future.scala b/src/library/scala/concurrent/impl/Future.scala
index 72ffa6a014..ca13981163 100644
--- a/src/library/scala/concurrent/impl/Future.scala
+++ b/src/library/scala/concurrent/impl/Future.scala
@@ -77,7 +77,9 @@ object Future {
           try {
             Right(body)
           } catch {
-            case e => scala.concurrent.resolver(e)
+            case NonFatal(e) =>
+              executor.reportFailure(e)
+              scala.concurrent.resolver(e)
           }
         }
       }
@@ -115,13 +117,7 @@ object Future {
             _taskStack set taskStack
             while (taskStack.nonEmpty) {
               val next = taskStack.pop()
-              try {
-                next.apply()
-              } catch {
-                case e =>
-                  // TODO catching all and continue isn't good for OOME
-                  executor.reportFailure(e)
-              }
+              try next() catch { case NonFatal(e) => executor reportFailure e }
             }
           } finally {
             _taskStack.remove()
diff --git a/src/library/scala/concurrent/impl/Promise.scala b/src/library/scala/concurrent/impl/Promise.scala
index 140cfa93a0..1388c8b357 100644
--- a/src/library/scala/concurrent/impl/Promise.scala
+++ b/src/library/scala/concurrent/impl/Promise.scala
@@ -180,7 +180,7 @@ object Promise {
       try {
         func(result)
       } catch {
-        case /*NonFatal(*/e/*)*/ => executor.reportFailure(e)
+        case NonFatal(e) => executor reportFailure e
       }
     }
   }
-- 
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