archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-08-27 23:04:50 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

8220671: Initialization race for non-JavaThread PtrQueues

Browse source 
Include on_thread_(attach|detach) under NJTList_lock.

Reviewed-by: pliden, rkennke
This commit is contained in:
Kim Barrett 2019-04-01 17:11:38 -04:00
parent 22c61a5981
commit 757e6ecfec
6 changed files with 39 additions and 35 deletions
Download patch file Download diff file Expand all files Collapse all files

2
src/hotspot/share/runtime/mutexLocker.cpp
View file

@ -76,6 +76,7 @@ Monitor* VMOperationRequest_lock = NULL;
Monitor* SerializePage_lock = NULL;
Monitor* Threads_lock = NULL;
Mutex* NonJavaThreadsList_lock = NULL;
Mutex* NonJavaThreadsListSync_lock = NULL;
Monitor* CGC_lock = NULL;
Monitor* STS_lock = NULL;
Monitor* FullGCCount_lock = NULL;
@ -279,6 +280,7 @@ void mutex_init() {
def(Threads_lock , PaddedMonitor, barrier, true, Monitor::_safepoint_check_sometimes);
def(NonJavaThreadsList_lock , PaddedMutex, leaf, true, Monitor::_safepoint_check_never);
def(NonJavaThreadsListSync_lock , PaddedMutex, leaf, true, Monitor::_safepoint_check_never);
def(VMOperationQueue_lock , PaddedMonitor, nonleaf, true, Monitor::_safepoint_check_sometimes); // VM_thread allowed to block on these
def(VMOperationRequest_lock , PaddedMonitor, nonleaf, true, Monitor::_safepoint_check_sometimes);