# HG changeset patch
# User acorn
# Date 1286212270 14400
# Node ID d49132ce025bed6a0e25e488e37b03d4f8f8140c
# Parent  5ef5663b9cac60f267d30ad1a6a4055163e43772
6763959: java.util.concurrent.locks.LockSupport.parkUntil(0) blocks forever
Summary: Absolute time 0 needs to return immediately.
Reviewed-by: phh, dcubed, dholmes

diff -r 5ef5663b9cac -r d49132ce025b hotspot/src/os/linux/vm/os_linux.cpp
--- a/hotspot/src/os/linux/vm/os_linux.cpp	Tue Sep 21 06:58:44 2010 -0700
+++ b/hotspot/src/os/linux/vm/os_linux.cpp	Mon Oct 04 13:11:10 2010 -0400
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2009, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -4839,7 +4839,7 @@
 
   // Next, demultiplex/decode time arguments
   timespec absTime;
-  if (time < 0) { // don't wait at all
+  if (time < 0 || (isAbsolute && time == 0) ) { // don't wait at all
     return;
   }
   if (time > 0) {
diff -r 5ef5663b9cac -r d49132ce025b hotspot/src/os/solaris/vm/os_solaris.cpp
--- a/hotspot/src/os/solaris/vm/os_solaris.cpp	Tue Sep 21 06:58:44 2010 -0700
+++ b/hotspot/src/os/solaris/vm/os_solaris.cpp	Mon Oct 04 13:11:10 2010 -0400
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2009, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -5837,7 +5837,7 @@
 
   // First, demultiplex/decode time arguments
   timespec absTime;
-  if (time < 0) { // don't wait at all
+  if (time < 0 || (isAbsolute && time == 0) ) { // don't wait at all
     return;
   }
   if (time > 0) {
diff -r 5ef5663b9cac -r d49132ce025b hotspot/src/os/windows/vm/os_windows.cpp
--- a/hotspot/src/os/windows/vm/os_windows.cpp	Tue Sep 21 06:58:44 2010 -0700
+++ b/hotspot/src/os/windows/vm/os_windows.cpp	Mon Oct 04 13:11:10 2010 -0400
@@ -3992,7 +3992,7 @@
   if (time < 0) { // don't wait
     return;
   }
-  else if (time == 0) {
+  else if (time == 0 && !isAbsolute) {
     time = INFINITE;
   }
   else if  (isAbsolute) {