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6850402: Deadlock on sun.security.jca.ProviderConfig starting from jdk7-b55

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Reduced the scope of locking

Reviewed-by: vinnie
This commit is contained in:
Valerie Peng 2010-10-14 18:01:47 -07:00
parent fa55c66665
commit 982b899b40
1 changed files with 11 additions and 8 deletions
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19
jdk/src/share/classes/sun/security/jca/Providers.java
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@ -159,15 +159,18 @@ public class Providers {
* could not be loaded) removed. This is the list we need to
* present to applications.
*/
public static synchronized ProviderList getFullProviderList() {
ProviderList list = getThreadProviderList();
if (list != null) {
ProviderList newList = list.removeInvalid();
if (newList != list) {
changeThreadProviderList(newList);
list = newList;
public static ProviderList getFullProviderList() {
ProviderList list;
synchronized (Providers.class) {
list = getThreadProviderList();
if (list != null) {
ProviderList newList = list.removeInvalid();
if (newList != list) {
changeThreadProviderList(newList);
list = newList;
}
return list;
}
return list;
}
list = getSystemProviderList();
ProviderList newList = list.removeInvalid();