--- a/hotspot/src/share/vm/runtime/mutexLocker.cpp Mon Dec 08 00:15:55 2014 -0800
+++ b/hotspot/src/share/vm/runtime/mutexLocker.cpp Thu Dec 11 21:34:43 2014 -0500
@@ -167,131 +167,133 @@
}
#endif
-#define def(var, type, pri, vm_block) { \
- var = new type(Mutex::pri, #var, vm_block); \
- assert(_num_mutex < MAX_NUM_MUTEX, \
- "increase MAX_NUM_MUTEX"); \
- _mutex_array[_num_mutex++] = var; \
+#define def(var, type, pri, vm_block, safepoint_check_allowed ) { \
+ var = new type(Mutex::pri, #var, vm_block, safepoint_check_allowed); \
+ assert(_num_mutex < MAX_NUM_MUTEX, "increase MAX_NUM_MUTEX"); \
+ _mutex_array[_num_mutex] = var; \
}
void mutex_init() {
- def(tty_lock , Mutex , event, true ); // allow to lock in VM
+ def(tty_lock , Mutex , event, true, Monitor::_safepoint_check_never); // allow to lock in VM
- def(CGC_lock , Monitor, special, true ); // coordinate between fore- and background GC
- def(STS_lock , Monitor, leaf, true );
+ def(CGC_lock , Monitor, special, true, Monitor::_safepoint_check_never); // coordinate between fore- and background GC
+ def(STS_lock , Monitor, leaf, true, Monitor::_safepoint_check_never);
+
if (UseConcMarkSweepGC || UseG1GC) {
- def(FullGCCount_lock , Monitor, leaf, true ); // in support of ExplicitGCInvokesConcurrent
+ def(FullGCCount_lock , Monitor, leaf, true, Monitor::_safepoint_check_never); // in support of ExplicitGCInvokesConcurrent
}
if (UseG1GC) {
- def(CMark_lock , Monitor, nonleaf, true ); // coordinate concurrent mark thread
- def(CMRegionStack_lock , Mutex, leaf, true );
- def(SATB_Q_FL_lock , Mutex , special, true );
- def(SATB_Q_CBL_mon , Monitor, nonleaf, true );
- def(Shared_SATB_Q_lock , Mutex, nonleaf, true );
- def(DirtyCardQ_FL_lock , Mutex , special, true );
- def(DirtyCardQ_CBL_mon , Monitor, nonleaf, true );
- def(Shared_DirtyCardQ_lock , Mutex, nonleaf, true );
+ def(CMark_lock , Monitor, nonleaf, true, Monitor::_safepoint_check_never); // coordinate concurrent mark thread
+ def(CMRegionStack_lock , Mutex, leaf, true, Monitor::_safepoint_check_never);
+ def(SATB_Q_FL_lock , Mutex , special, true, Monitor::_safepoint_check_never);
+ def(SATB_Q_CBL_mon , Monitor, nonleaf, true, Monitor::_safepoint_check_never);
+ def(Shared_SATB_Q_lock , Mutex, nonleaf, true, Monitor::_safepoint_check_never);
+
+ def(DirtyCardQ_FL_lock , Mutex , special, true, Monitor::_safepoint_check_never);
+ def(DirtyCardQ_CBL_mon , Monitor, nonleaf, true, Monitor::_safepoint_check_never);
+ def(Shared_DirtyCardQ_lock , Mutex, nonleaf, true, Monitor::_safepoint_check_never);
- def(FreeList_lock , Mutex, leaf , true );
- def(SecondaryFreeList_lock , Monitor, leaf , true );
- def(OldSets_lock , Mutex , leaf , true );
- def(RootRegionScan_lock , Monitor, leaf , true );
- def(MMUTracker_lock , Mutex , leaf , true );
- def(HotCardCache_lock , Mutex , special , true );
- def(EvacFailureStack_lock , Mutex , nonleaf , true );
+ def(FreeList_lock , Mutex, leaf , true, Monitor::_safepoint_check_never);
+ def(SecondaryFreeList_lock , Monitor, leaf , true, Monitor::_safepoint_check_never);
+ def(OldSets_lock , Mutex , leaf , true, Monitor::_safepoint_check_never);
+ def(RootRegionScan_lock , Monitor, leaf , true, Monitor::_safepoint_check_never);
+ def(MMUTracker_lock , Mutex , leaf , true, Monitor::_safepoint_check_never);
+ def(HotCardCache_lock , Mutex , special , true, Monitor::_safepoint_check_never);
+ def(EvacFailureStack_lock , Mutex , nonleaf , true, Monitor::_safepoint_check_never);
- def(StringDedupQueue_lock , Monitor, leaf, true );
- def(StringDedupTable_lock , Mutex , leaf, true );
+ def(StringDedupQueue_lock , Monitor, leaf, true, Monitor::_safepoint_check_never);
+ def(StringDedupTable_lock , Mutex , leaf, true, Monitor::_safepoint_check_never);
}
- def(ParGCRareEvent_lock , Mutex , leaf , true );
- def(DerivedPointerTableGC_lock , Mutex, leaf, true );
- def(CodeCache_lock , Monitor, special, true );
- def(Interrupt_lock , Monitor, special, true ); // used for interrupt processing
- def(RawMonitor_lock , Mutex, special, true );
- def(OopMapCacheAlloc_lock , Mutex, leaf, true ); // used for oop_map_cache allocation.
+ def(ParGCRareEvent_lock , Mutex , leaf , true, Monitor::_safepoint_check_sometimes);
+ def(DerivedPointerTableGC_lock , Mutex, leaf, true, Monitor::_safepoint_check_never);
+ def(CodeCache_lock , Mutex , special, true, Monitor::_safepoint_check_never);
+ def(Interrupt_lock , Monitor, special, true, Monitor::_safepoint_check_never); // used for interrupt processing
+ def(RawMonitor_lock , Mutex, special, true, Monitor::_safepoint_check_never);
+ def(OopMapCacheAlloc_lock , Mutex, leaf, true, Monitor::_safepoint_check_always); // used for oop_map_cache allocation.
- def(Patching_lock , Mutex , special, true ); // used for safepointing and code patching.
- def(ObjAllocPost_lock , Monitor, special, false);
- def(Service_lock , Monitor, special, true ); // used for service thread operations
- def(JmethodIdCreation_lock , Mutex , leaf, true ); // used for creating jmethodIDs.
+ def(Patching_lock , Mutex , special, true, Monitor::_safepoint_check_never); // used for safepointing and code patching.
+ def(ObjAllocPost_lock , Monitor, special, false, Monitor::_safepoint_check_never);
+ def(Service_lock , Monitor, special, true, Monitor::_safepoint_check_never); // used for service thread operations
+ def(JmethodIdCreation_lock , Mutex , leaf, true, Monitor::_safepoint_check_always); // used for creating jmethodIDs.
- def(SystemDictionary_lock , Monitor, leaf, true ); // lookups done by VM thread
- def(PackageTable_lock , Mutex , leaf, false);
- def(InlineCacheBuffer_lock , Mutex , leaf, true );
- def(VMStatistic_lock , Mutex , leaf, false);
- def(ExpandHeap_lock , Mutex , leaf, true ); // Used during compilation by VM thread
- def(JNIHandleBlockFreeList_lock , Mutex , leaf, true ); // handles are used by VM thread
- def(SignatureHandlerLibrary_lock , Mutex , leaf, false);
- def(SymbolTable_lock , Mutex , leaf+2, true );
- def(StringTable_lock , Mutex , leaf, true );
- def(ProfilePrint_lock , Mutex , leaf, false); // serial profile printing
- def(ExceptionCache_lock , Mutex , leaf, false); // serial profile printing
- def(OsrList_lock , Mutex , leaf, true );
- def(Debug1_lock , Mutex , leaf, true );
+ def(SystemDictionary_lock , Monitor, leaf, true, Monitor::_safepoint_check_always); // lookups done by VM thread
+ def(PackageTable_lock , Mutex , leaf, false, Monitor::_safepoint_check_always);
+ def(InlineCacheBuffer_lock , Mutex , leaf, true, Monitor::_safepoint_check_always);
+ def(VMStatistic_lock , Mutex , leaf, false, Monitor::_safepoint_check_always);
+ def(ExpandHeap_lock , Mutex , leaf, true, Monitor::_safepoint_check_always); // Used during compilation by VM thread
+ def(JNIHandleBlockFreeList_lock , Mutex , leaf, true, Monitor::_safepoint_check_never); // handles are used by VM thread
+ def(SignatureHandlerLibrary_lock , Mutex , leaf, false, Monitor::_safepoint_check_always);
+ def(SymbolTable_lock , Mutex , leaf+2, true, Monitor::_safepoint_check_always);
+ def(StringTable_lock , Mutex , leaf, true, Monitor::_safepoint_check_always);
+ def(ProfilePrint_lock , Mutex , leaf, false, Monitor::_safepoint_check_always); // serial profile printing
+ def(ExceptionCache_lock , Mutex , leaf, false, Monitor::_safepoint_check_always); // serial profile printing
+ def(OsrList_lock , Mutex , leaf, true, Monitor::_safepoint_check_never);
+ def(Debug1_lock , Mutex , leaf, true, Monitor::_safepoint_check_never);
#ifndef PRODUCT
- def(FullGCALot_lock , Mutex , leaf, false); // a lock to make FullGCALot MT safe
+ def(FullGCALot_lock , Mutex , leaf, false, Monitor::_safepoint_check_always); // a lock to make FullGCALot MT safe
#endif
- def(BeforeExit_lock , Monitor, leaf, true );
- def(PerfDataMemAlloc_lock , Mutex , leaf, true ); // used for allocating PerfData memory for performance data
- def(PerfDataManager_lock , Mutex , leaf, true ); // used for synchronized access to PerfDataManager resources
+ def(BeforeExit_lock , Monitor, leaf, true, Monitor::_safepoint_check_always);
+ def(PerfDataMemAlloc_lock , Mutex , leaf, true, Monitor::_safepoint_check_always); // used for allocating PerfData memory for performance data
+ def(PerfDataManager_lock , Mutex , leaf, true, Monitor::_safepoint_check_always); // used for synchronized access to PerfDataManager resources
// CMS_modUnionTable_lock leaf
- // CMS_bitMap_lock leaf + 1
- // CMS_freeList_lock leaf + 2
+ // CMS_bitMap_lock leaf 1
+ // CMS_freeList_lock leaf 2
- def(Safepoint_lock , Monitor, safepoint, true ); // locks SnippetCache_lock/Threads_lock
+ def(Safepoint_lock , Monitor, safepoint, true, Monitor::_safepoint_check_sometimes); // locks SnippetCache_lock/Threads_lock
- def(Threads_lock , Monitor, barrier, true );
+ def(Threads_lock , Monitor, barrier, true, Monitor::_safepoint_check_sometimes);
- def(VMOperationQueue_lock , Monitor, nonleaf, true ); // VM_thread allowed to block on these
- def(VMOperationRequest_lock , Monitor, nonleaf, true );
- def(RetData_lock , Mutex , nonleaf, false);
- def(Terminator_lock , Monitor, nonleaf, true );
- def(VtableStubs_lock , Mutex , nonleaf, true );
- def(Notify_lock , Monitor, nonleaf, true );
- def(JNIGlobalHandle_lock , Mutex , nonleaf, true ); // locks JNIHandleBlockFreeList_lock
- def(JNICritical_lock , Monitor, nonleaf, true ); // used for JNI critical regions
- def(AdapterHandlerLibrary_lock , Mutex , nonleaf, true);
+ def(VMOperationQueue_lock , Monitor, nonleaf, true, Monitor::_safepoint_check_sometimes); // VM_thread allowed to block on these
+ def(VMOperationRequest_lock , Monitor, nonleaf, true, Monitor::_safepoint_check_sometimes);
+ def(RetData_lock , Mutex , nonleaf, false, Monitor::_safepoint_check_always);
+ def(Terminator_lock , Monitor, nonleaf, true, Monitor::_safepoint_check_sometimes);
+ def(VtableStubs_lock , Mutex , nonleaf, true, Monitor::_safepoint_check_always);
+ def(Notify_lock , Monitor, nonleaf, true, Monitor::_safepoint_check_always);
+ def(JNIGlobalHandle_lock , Mutex , nonleaf, true, Monitor::_safepoint_check_always); // locks JNIHandleBlockFreeList_lock
+ def(JNICritical_lock , Monitor, nonleaf, true, Monitor::_safepoint_check_always); // used for JNI critical regions
+ def(AdapterHandlerLibrary_lock , Mutex , nonleaf, true, Monitor::_safepoint_check_always);
if (UseConcMarkSweepGC) {
- def(SLT_lock , Monitor, nonleaf, false );
- // used in CMS GC for locking PLL lock
+ def(SLT_lock , Monitor, nonleaf, false, Monitor::_safepoint_check_never); // used in CMS GC for locking PLL lock
}
- def(Heap_lock , Monitor, nonleaf+1, false);
- def(JfieldIdCreation_lock , Mutex , nonleaf+1, true ); // jfieldID, Used in VM_Operation
- def(MemberNameTable_lock , Mutex , nonleaf+1, false); // Used to protect MemberNameTable
+
+ def(Heap_lock , Monitor, nonleaf+1, false, Monitor::_safepoint_check_sometimes);
+ def(JfieldIdCreation_lock , Mutex , nonleaf+1, true, Monitor::_safepoint_check_always); // jfieldID, Used in VM_Operation
+ def(MemberNameTable_lock , Mutex , nonleaf+1, false, Monitor::_safepoint_check_always); // Used to protect MemberNameTable
- def(CompiledIC_lock , Mutex , nonleaf+2, false); // locks VtableStubs_lock, InlineCacheBuffer_lock
- def(CompileTaskAlloc_lock , Mutex , nonleaf+2, true );
- def(CompileStatistics_lock , Mutex , nonleaf+2, false);
- def(MultiArray_lock , Mutex , nonleaf+2, false); // locks SymbolTable_lock
+ def(CompiledIC_lock , Mutex , nonleaf+2, false, Monitor::_safepoint_check_always); // locks VtableStubs_lock, InlineCacheBuffer_lock
+ def(CompileTaskAlloc_lock , Mutex , nonleaf+2, true, Monitor::_safepoint_check_always);
+ def(CompileStatistics_lock , Mutex , nonleaf+2, false, Monitor::_safepoint_check_always);
+ def(MultiArray_lock , Mutex , nonleaf+2, false, Monitor::_safepoint_check_always); // locks SymbolTable_lock
- def(JvmtiThreadState_lock , Mutex , nonleaf+2, false); // Used by JvmtiThreadState/JvmtiEventController
- def(JvmtiPendingEvent_lock , Monitor, nonleaf, false); // Used by JvmtiCodeBlobEvents
- def(Management_lock , Mutex , nonleaf+2, false); // used for JVM management
+ def(JvmtiThreadState_lock , Mutex , nonleaf+2, false, Monitor::_safepoint_check_always); // Used by JvmtiThreadState/JvmtiEventController
+ def(JvmtiPendingEvent_lock , Monitor, nonleaf, false, Monitor::_safepoint_check_never); // Used by JvmtiCodeBlobEvents
+ def(Management_lock , Mutex , nonleaf+2, false, Monitor::_safepoint_check_always); // used for JVM management
- def(Compile_lock , Mutex , nonleaf+3, true );
- def(MethodData_lock , Mutex , nonleaf+3, false);
+ def(Compile_lock , Mutex , nonleaf+3, true, Monitor::_safepoint_check_sometimes);
+ def(MethodData_lock , Mutex , nonleaf+3, false, Monitor::_safepoint_check_always);
- def(MethodCompileQueue_lock , Monitor, nonleaf+4, true );
- def(Debug2_lock , Mutex , nonleaf+4, true );
- def(Debug3_lock , Mutex , nonleaf+4, true );
- def(ProfileVM_lock , Monitor, special, false); // used for profiling of the VMThread
- def(CompileThread_lock , Monitor, nonleaf+5, false );
- def(PeriodicTask_lock , Monitor, nonleaf+5, true);
+ def(MethodCompileQueue_lock , Monitor, nonleaf+4, true, Monitor::_safepoint_check_always);
+ def(Debug2_lock , Mutex , nonleaf+4, true, Monitor::_safepoint_check_never);
+ def(Debug3_lock , Mutex , nonleaf+4, true, Monitor::_safepoint_check_never);
+ def(ProfileVM_lock , Monitor, special, false, Monitor::_safepoint_check_never); // used for profiling of the VMThread
+ def(CompileThread_lock , Monitor, nonleaf+5, false, Monitor::_safepoint_check_always);
+ def(PeriodicTask_lock , Monitor, nonleaf+5, true, Monitor::_safepoint_check_sometimes);
if (WhiteBoxAPI) {
- def(Compilation_lock , Monitor, leaf, false );
+ def(Compilation_lock , Monitor, leaf, false, Monitor::_safepoint_check_never);
}
+
#ifdef INCLUDE_TRACE
- def(JfrMsg_lock , Monitor, leaf, true);
- def(JfrBuffer_lock , Mutex, leaf, true);
- def(JfrThreadGroups_lock , Mutex, leaf, true);
- def(JfrStream_lock , Mutex, nonleaf, true);
- def(JfrStacktrace_lock , Mutex, special, true);
+ def(JfrMsg_lock , Monitor, leaf, true, Monitor::_safepoint_check_always);
+ def(JfrBuffer_lock , Mutex, leaf, true, Monitor::_safepoint_check_never);
+ def(JfrThreadGroups_lock , Mutex, leaf, true, Monitor::_safepoint_check_always);
+ def(JfrStream_lock , Mutex, nonleaf, true, Monitor::_safepoint_check_never);
+ def(JfrStacktrace_lock , Mutex, special, true, Monitor::_safepoint_check_sometimes);
#endif
#ifndef SUPPORTS_NATIVE_CX8
- def(UnsafeJlong_lock , Mutex, special, false);
+ def(UnsafeJlong_lock , Mutex, special, false, Monitor::_safepoint_check_never);
#endif
}