archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-08-28 23:34:52 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

8193300: Miscellaneous changes imported from jsr166 CVS 2018-01

Browse source 
Reviewed-by: martin
This commit is contained in:
Doug Lea 2018-01-16 18:28:39 -08:00
parent c19d18871c
commit d771fc3a6b
149 changed files with 872 additions and 571 deletions
Download patch file Download diff file Expand all files Collapse all files

7
src/java.base/share/classes/java/util/concurrent/LinkedBlockingQueue.java
View file

@ -1060,11 +1060,10 @@ public class LinkedBlockingQueue<E> extends AbstractQueue<E>
int n, len = 0;
do {
// 1. Extract batch of up to 64 elements while holding the lock.
long deathRow = 0; // "bitset" of size 64
fullyLock();
try {
if (nodes == null) {
if (p == null) p = head.next;
if (nodes == null) { // first batch; initialize
p = head.next;
for (Node<E> q = p; q != null; q = succ(q))
if (q.item != null && ++len == 64)
break;
@ -1077,6 +1076,7 @@ public class LinkedBlockingQueue<E> extends AbstractQueue<E>
}
// 2. Run the filter on the elements while lock is free.
long deathRow = 0L; // "bitset" of size 64
for (int i = 0; i < n; i++) {
final E e;
if ((e = nodes[i].item) != null && filter.test(e))
@ -1095,6 +1095,7 @@ public class LinkedBlockingQueue<E> extends AbstractQueue<E>
unlink(q, ancestor);
removed = true;
}
nodes[i] = null; // help GC
}
} finally {
fullyUnlock();