8225310: JFR crashed in JfrPeriodicEventSet::requestProtectionDomainCacheTableStatistics()

Added lock around table usage Reviewed-by: coleenp, hseigel
2019-06-18 12:39:29 -05:00 · 2019-06-18 12:39:29 -05:00 · 2cf9999ae2
commit 2cf9999ae2
parent 28f3ab8596
1 changed files with 3 additions and 0 deletions
--- a/src/hotspot/share/classfile/systemDictionary.cpp
+++ b/src/hotspot/share/classfile/systemDictionary.cpp
@ -2861,14 +2861,17 @@ void SystemDictionary::dump(outputStream *st, bool verbose) {
 }

 TableStatistics SystemDictionary::placeholders_statistics() {
+  MutexLocker ml(SystemDictionary_lock);
  return placeholders()->statistics_calculate();
 }

 TableStatistics SystemDictionary::loader_constraints_statistics() {
+  MutexLocker ml(SystemDictionary_lock);
  return constraints()->statistics_calculate();
 }

 TableStatistics SystemDictionary::protection_domain_cache_statistics() {
+  MutexLocker ml(SystemDictionary_lock);
  return pd_cache_table()->statistics_calculate();
 }