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6996372: synchronizing handshaking hash

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Remove the unnecessary synchronization. Also reviewed by David Schlosnagle (schlosna@gmail.com)

Reviewed-by: weijun
This commit is contained in:
Xue-Lei Andrew Fan 2012-04-27 04:25:50 -07:00
parent 6c68dd5523
commit 03b36bd454
1 changed files with 6 additions and 4 deletions
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10
jdk/src/share/classes/sun/security/util/DisabledAlgorithmConstraints.java
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@ -59,10 +59,10 @@ public class DisabledAlgorithmConstraints implements AlgorithmConstraints {
public final static String PROPERTY_TLS_DISABLED_ALGS = public final static String PROPERTY_TLS_DISABLED_ALGS =
"jdk.tls.disabledAlgorithms"; "jdk.tls.disabledAlgorithms";
private static Map<String, String[]> disabledAlgorithmsMap = private final static Map<String, String[]> disabledAlgorithmsMap =
Collections.synchronizedMap(new HashMap<String, String[]>()); new HashMap<>();
private static Map<String, KeySizeConstraints> keySizeConstraintsMap = private final static Map<String, KeySizeConstraints> keySizeConstraintsMap =
Collections.synchronizedMap(new HashMap<String, KeySizeConstraints>()); new HashMap<>();
private String[] disabledAlgorithms; private String[] disabledAlgorithms;
private KeySizeConstraints keySizeConstraints; private KeySizeConstraints keySizeConstraints;
@ -74,6 +74,8 @@ public class DisabledAlgorithmConstraints implements AlgorithmConstraints {
* algorithm constraints * algorithm constraints
*/ */
public DisabledAlgorithmConstraints(String propertyName) { public DisabledAlgorithmConstraints(String propertyName) {
// Both disabledAlgorithmsMap and keySizeConstraintsMap are
// synchronized with the lock of disabledAlgorithmsMap.
synchronized (disabledAlgorithmsMap) { synchronized (disabledAlgorithmsMap) {
if(!disabledAlgorithmsMap.containsKey(propertyName)) { if(!disabledAlgorithmsMap.containsKey(propertyName)) {
loadDisabledAlgorithmsMap(propertyName); loadDisabledAlgorithmsMap(propertyName);