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8170299: Debugger does not stop inside the low memory notifications code

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Reviewed-by: sspitsyn, dholmes
This commit is contained in:
Daniil Titov 2019-10-08 09:13:08 -07:00
parent dcceed10b6
commit 7306526835
17 changed files with 427 additions and 37 deletions
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8
src/hotspot/share/runtime/mutexLocker.cpp
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@ -115,6 +115,7 @@ Monitor* RootRegionScan_lock = NULL;
Mutex* Management_lock = NULL;
Monitor* Service_lock = NULL;
Monitor* Notification_lock = NULL;
Monitor* PeriodicTask_lock = NULL;
Monitor* RedefineClasses_lock = NULL;
Mutex* Verify_lock = NULL;
@ -236,6 +237,13 @@ void mutex_init() {
def(Patching_lock , PaddedMutex , special, true, _safepoint_check_never); // used for safepointing and code patching.
def(CompiledMethod_lock , PaddedMutex , special-1, true, _safepoint_check_never);
def(Service_lock , PaddedMonitor, special, true, _safepoint_check_never); // used for service thread operations
if (UseNotificationThread) {
def(Notification_lock , PaddedMonitor, special, true, _safepoint_check_never); // used for notification thread operations
} else {
Notification_lock = Service_lock;
}
def(JmethodIdCreation_lock , PaddedMutex , leaf, true, _safepoint_check_always); // used for creating jmethodIDs.
def(SystemDictionary_lock , PaddedMonitor, leaf, true, _safepoint_check_always);