src/share/vm/runtime/mutexLocker.cpp
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*** old/src/share/vm/runtime/mutexLocker.cpp Thu Dec 4 16:47:29 2014
--- new/src/share/vm/runtime/mutexLocker.cpp Thu Dec 4 16:47:27 2014
*** 165,300 ****
--- 165,300 ----
if (lock->owned_by_self()) return;
fatal(err_msg("must own lock %s", lock->name()));
}
#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, Monitor::_safepoint_check_never ); // allow to lock in VM
+
+ 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 );
def(CGC_lock , Monitor, special, true ); // coordinate between fore- and background GC
def(STS_lock , Monitor, leaf, true );
if (UseConcMarkSweepGC || UseG1GC) {
! 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(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(StringDedupQueue_lock , Monitor, leaf, true );
! def(StringDedupTable_lock , Mutex , leaf, true );
}
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(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(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(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, 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, Monitor::_safepoint_check_never );
+ def(StringDedupTable_lock , Mutex , leaf, true, Monitor::_safepoint_check_never );
+ }
! 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, 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, 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, Monitor::_safepoint_check_always); // a lock to make FullGCALot MT safe
#endif
! 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, Monitor::_safepoint_check_sometimes); // locks SnippetCache_lock/Threads_lock
! def(Threads_lock , Monitor, barrier, true, Monitor::_safepoint_check_sometimes);
! 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, 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(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(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(Compile_lock , Mutex , nonleaf+3, true );
! def(MethodData_lock , Mutex , nonleaf+3, false);
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(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, 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, 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, Monitor::_safepoint_check_sometimes);
+ def(MethodData_lock , Mutex , nonleaf+3, false, Monitor::_safepoint_check_always);
+
! 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, Monitor::_safepoint_check_never );
}
+
#ifdef INCLUDE_TRACE
! 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);
#endif
}
GCMutexLocker::GCMutexLocker(Monitor * mutex) {
if (SafepointSynchronize::is_at_safepoint()) {
_locked = false;
src/share/vm/runtime/mutexLocker.cpp
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