[groovy] branch master updated: Tweak `shutdown` of GINQ

[sunlan]

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sunlan pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/groovy.git


The following commit(s) were added to refs/heads/master by this push:
     new e3eddaf  Tweak `shutdown` of GINQ
e3eddaf is described below

commit e3eddaf6f9f793010f7d2caf47c65e4cb7ae84f7
Author: Daniel Sun <sun...@apache.org>
AuthorDate: Sun Jul 18 17:28:34 2021 +0800

    Tweak `shutdown` of GINQ
---
 .../ginq/provider/collection/runtime/QueryableHelper.groovy  | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git 
a/subprojects/groovy-ginq/src/main/groovy/org/apache/groovy/ginq/provider/collection/runtime/QueryableHelper.groovy
 
b/subprojects/groovy-ginq/src/main/groovy/org/apache/groovy/ginq/provider/collection/runtime/QueryableHelper.groovy
index dcebcc3..dab108b 100644
--- 
a/subprojects/groovy-ginq/src/main/groovy/org/apache/groovy/ginq/provider/collection/runtime/QueryableHelper.groovy
+++ 
b/subprojects/groovy-ginq/src/main/groovy/org/apache/groovy/ginq/provider/collection/runtime/QueryableHelper.groovy
@@ -31,6 +31,7 @@ import java.util.function.Function
 import java.util.function.Supplier
 import java.util.stream.Collectors
 
+import static groovy.lang.Tuple.tuple
 import static org.apache.groovy.ginq.provider.collection.runtime.Queryable.from
 /**
  * Helper for {@link Queryable}
@@ -112,15 +113,20 @@ class QueryableHelper {
      * @param mode 0: immediate, 1: abort
      * @return list of tasks that never commenced execution
      */
-    static List<Runnable> shutdown(int mode) {
+    static Tuple2<List<Runnable>, List<Runnable>> shutdown(int mode) {
         if (0 == mode) {
+            ThreadPoolHolder.FORKJOIN_POOL.shutdown()
             ThreadPoolHolder.THREAD_POOL.shutdown()
+
+            while (!ThreadPoolHolder.FORKJOIN_POOL.awaitTermination(250, 
TimeUnit.MILLISECONDS)) {
+                // do nothing, just wait to terminate
+            }
             while (!ThreadPoolHolder.THREAD_POOL.awaitTermination(250, 
TimeUnit.MILLISECONDS)) {
                 // do nothing, just wait to terminate
             }
-            return Collections.emptyList()
+            return tuple(Collections.emptyList(), Collections.emptyList())
         } else if (1 == mode) {
-            return ThreadPoolHolder.THREAD_POOL.shutdownNow()
+            return tuple(ThreadPoolHolder.FORKJOIN_POOL.shutdownNow(), 
ThreadPoolHolder.THREAD_POOL.shutdownNow())
         } else {
             throw new IllegalArgumentException("Invalid mode: $mode")
         }