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src/share/vm/runtime/mutexLocker.hpp

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rev 8961 : [mq]: diff-shenandoah.patch


  28 #include "memory/allocation.hpp"
  29 #include "runtime/mutex.hpp"
  30 
  31 // Mutexes used in the VM.
  32 
  33 extern Mutex*   Patching_lock;                   // a lock used to guard code patching of compiled code
  34 extern Monitor* SystemDictionary_lock;           // a lock on the system dictionary
  35 extern Mutex*   PackageTable_lock;               // a lock on the class loader package table
  36 extern Mutex*   CompiledIC_lock;                 // a lock used to guard compiled IC patching and access
  37 extern Mutex*   InlineCacheBuffer_lock;          // a lock used to guard the InlineCacheBuffer
  38 extern Mutex*   VMStatistic_lock;                // a lock used to guard statistics count increment
  39 extern Mutex*   JNIGlobalHandle_lock;            // a lock on creating JNI global handles
  40 extern Mutex*   JNIHandleBlockFreeList_lock;     // a lock on the JNI handle block free list
  41 extern Mutex*   MemberNameTable_lock;            // a lock on the MemberNameTable updates
  42 extern Mutex*   JmethodIdCreation_lock;          // a lock on creating JNI method identifiers
  43 extern Mutex*   JfieldIdCreation_lock;           // a lock on creating JNI static field identifiers
  44 extern Monitor* JNICritical_lock;                // a lock used while entering and exiting JNI critical regions, allows GC to sometimes get in
  45 extern Mutex*   JvmtiThreadState_lock;           // a lock on modification of JVMTI thread data
  46 extern Monitor* JvmtiPendingEvent_lock;          // a lock on the JVMTI pending events list
  47 extern Monitor* Heap_lock;                       // a lock on the heap



  48 extern Mutex*   ExpandHeap_lock;                 // a lock on expanding the heap
  49 extern Mutex*   AdapterHandlerLibrary_lock;      // a lock on the AdapterHandlerLibrary
  50 extern Mutex*   SignatureHandlerLibrary_lock;    // a lock on the SignatureHandlerLibrary
  51 extern Mutex*   VtableStubs_lock;                // a lock on the VtableStubs
  52 extern Mutex*   SymbolTable_lock;                // a lock on the symbol table
  53 extern Mutex*   StringTable_lock;                // a lock on the interned string table
  54 extern Monitor* StringDedupQueue_lock;           // a lock on the string deduplication queue
  55 extern Mutex*   StringDedupTable_lock;           // a lock on the string deduplication table
  56 extern Monitor* CodeCache_lock;                  // a lock on the CodeCache, rank is special, use MutexLockerEx
  57 extern Mutex*   MethodData_lock;                 // a lock on installation of method data
  58 extern Mutex*   TouchedMethodLog_lock;           // a lock on allocation of LogExecutedMethods info
  59 extern Mutex*   RetData_lock;                    // a lock on installation of RetData inside method data
  60 extern Mutex*   DerivedPointerTableGC_lock;      // a lock to protect the derived pointer table
  61 extern Monitor* VMOperationQueue_lock;           // a lock on queue of vm_operations waiting to execute
  62 extern Monitor* VMOperationRequest_lock;         // a lock on Threads waiting for a vm_operation to terminate
  63 extern Monitor* Safepoint_lock;                  // a lock used by the safepoint abstraction
  64 extern Monitor* Threads_lock;                    // a lock on the Threads table of active Java threads
  65                                                  // (also used by Safepoints too to block threads creation/destruction)
  66 extern Monitor* CGC_lock;                        // used for coordination between
  67                                                  // fore- & background GC threads.


  85 extern Mutex*   Shared_DirtyCardQ_lock;          // Lock protecting dirty card
  86                                                  // queue shared by
  87                                                  // non-Java threads.
  88                                                  // (see option ExplicitGCInvokesConcurrent)
  89 extern Mutex*   ParGCRareEvent_lock;             // Synchronizes various (rare) parallel GC ops.
  90 extern Mutex*   Compile_lock;                    // a lock held when Compilation is updating code (used to block CodeCache traversal, CHA updates, etc)
  91 extern Monitor* MethodCompileQueue_lock;         // a lock held when method compilations are enqueued, dequeued
  92 extern Monitor* CompileThread_lock;              // a lock held by compile threads during compilation system initialization
  93 extern Monitor* Compilation_lock;                // a lock used to pause compilation
  94 extern Mutex*   CompileTaskAlloc_lock;           // a lock held when CompileTasks are allocated
  95 extern Mutex*   CompileStatistics_lock;          // a lock held when updating compilation statistics
  96 extern Mutex*   MultiArray_lock;                 // a lock used to guard allocation of multi-dim arrays
  97 extern Monitor* Terminator_lock;                 // a lock used to guard termination of the vm
  98 extern Monitor* BeforeExit_lock;                 // a lock used to guard cleanups and shutdown hooks
  99 extern Monitor* Notify_lock;                     // a lock used to synchronize the start-up of the vm
 100 extern Monitor* Interrupt_lock;                  // a lock used for condition variable mediated interrupt processing
 101 extern Monitor* ProfileVM_lock;                  // a lock used for profiling the VMThread
 102 extern Mutex*   ProfilePrint_lock;               // a lock used to serialize the printing of profiles
 103 extern Mutex*   ExceptionCache_lock;             // a lock used to synchronize exception cache updates
 104 extern Mutex*   OsrList_lock;                    // a lock used to serialize access to OSR queues

 105 
 106 #ifndef PRODUCT
 107 extern Mutex*   FullGCALot_lock;                 // a lock to make FullGCALot MT safe
 108 #endif // PRODUCT
 109 extern Mutex*   Debug1_lock;                     // A bunch of pre-allocated locks that can be used for tracing
 110 extern Mutex*   Debug2_lock;                     // down synchronization related bugs!
 111 extern Mutex*   Debug3_lock;
 112 
 113 extern Mutex*   RawMonitor_lock;
 114 extern Mutex*   PerfDataMemAlloc_lock;           // a lock on the allocator for PerfData memory for performance data
 115 extern Mutex*   PerfDataManager_lock;            // a long on access to PerfDataManager resources
 116 extern Mutex*   ParkerFreeList_lock;
 117 extern Mutex*   OopMapCacheAlloc_lock;           // protects allocation of oop_map caches
 118 
 119 extern Mutex*   FreeList_lock;                   // protects the free region list during safepoints
 120 extern Monitor* SecondaryFreeList_lock;          // protects the secondary free region list
 121 extern Mutex*   OldSets_lock;                    // protects the old region sets
 122 extern Monitor* RootRegionScan_lock;             // used to notify that the CM threads have finished scanning the IM snapshot regions
 123 extern Mutex*   MMUTracker_lock;                 // protects the MMU
 124                                                  // tracker data structures




  28 #include "memory/allocation.hpp"
  29 #include "runtime/mutex.hpp"
  30 
  31 // Mutexes used in the VM.
  32 
  33 extern Mutex*   Patching_lock;                   // a lock used to guard code patching of compiled code
  34 extern Monitor* SystemDictionary_lock;           // a lock on the system dictionary
  35 extern Mutex*   PackageTable_lock;               // a lock on the class loader package table
  36 extern Mutex*   CompiledIC_lock;                 // a lock used to guard compiled IC patching and access
  37 extern Mutex*   InlineCacheBuffer_lock;          // a lock used to guard the InlineCacheBuffer
  38 extern Mutex*   VMStatistic_lock;                // a lock used to guard statistics count increment
  39 extern Mutex*   JNIGlobalHandle_lock;            // a lock on creating JNI global handles
  40 extern Mutex*   JNIHandleBlockFreeList_lock;     // a lock on the JNI handle block free list
  41 extern Mutex*   MemberNameTable_lock;            // a lock on the MemberNameTable updates
  42 extern Mutex*   JmethodIdCreation_lock;          // a lock on creating JNI method identifiers
  43 extern Mutex*   JfieldIdCreation_lock;           // a lock on creating JNI static field identifiers
  44 extern Monitor* JNICritical_lock;                // a lock used while entering and exiting JNI critical regions, allows GC to sometimes get in
  45 extern Mutex*   JvmtiThreadState_lock;           // a lock on modification of JVMTI thread data
  46 extern Monitor* JvmtiPendingEvent_lock;          // a lock on the JVMTI pending events list
  47 extern Monitor* Heap_lock;                       // a lock on the heap
  48 extern Monitor* ShenandoahHeap_lock;             // a lock on the heap, used by ShenandoahGC when evacuating at a safepoint
  49 extern Monitor* ShenandoahFullGC_lock;           // a monitor to wait/notify the Shenandoah background thread on full-GC requests
  50 extern Monitor* ShenandoahJNICritical_lock;           // a monitor to wait/notify the Shenandoah background thread on full-GC requests
  51 extern Mutex*   ExpandHeap_lock;                 // a lock on expanding the heap
  52 extern Mutex*   AdapterHandlerLibrary_lock;      // a lock on the AdapterHandlerLibrary
  53 extern Mutex*   SignatureHandlerLibrary_lock;    // a lock on the SignatureHandlerLibrary
  54 extern Mutex*   VtableStubs_lock;                // a lock on the VtableStubs
  55 extern Mutex*   SymbolTable_lock;                // a lock on the symbol table
  56 extern Mutex*   StringTable_lock;                // a lock on the interned string table
  57 extern Monitor* StringDedupQueue_lock;           // a lock on the string deduplication queue
  58 extern Mutex*   StringDedupTable_lock;           // a lock on the string deduplication table
  59 extern Monitor* CodeCache_lock;                  // a lock on the CodeCache, rank is special, use MutexLockerEx
  60 extern Mutex*   MethodData_lock;                 // a lock on installation of method data
  61 extern Mutex*   TouchedMethodLog_lock;           // a lock on allocation of LogExecutedMethods info
  62 extern Mutex*   RetData_lock;                    // a lock on installation of RetData inside method data
  63 extern Mutex*   DerivedPointerTableGC_lock;      // a lock to protect the derived pointer table
  64 extern Monitor* VMOperationQueue_lock;           // a lock on queue of vm_operations waiting to execute
  65 extern Monitor* VMOperationRequest_lock;         // a lock on Threads waiting for a vm_operation to terminate
  66 extern Monitor* Safepoint_lock;                  // a lock used by the safepoint abstraction
  67 extern Monitor* Threads_lock;                    // a lock on the Threads table of active Java threads
  68                                                  // (also used by Safepoints too to block threads creation/destruction)
  69 extern Monitor* CGC_lock;                        // used for coordination between
  70                                                  // fore- & background GC threads.


  88 extern Mutex*   Shared_DirtyCardQ_lock;          // Lock protecting dirty card
  89                                                  // queue shared by
  90                                                  // non-Java threads.
  91                                                  // (see option ExplicitGCInvokesConcurrent)
  92 extern Mutex*   ParGCRareEvent_lock;             // Synchronizes various (rare) parallel GC ops.
  93 extern Mutex*   Compile_lock;                    // a lock held when Compilation is updating code (used to block CodeCache traversal, CHA updates, etc)
  94 extern Monitor* MethodCompileQueue_lock;         // a lock held when method compilations are enqueued, dequeued
  95 extern Monitor* CompileThread_lock;              // a lock held by compile threads during compilation system initialization
  96 extern Monitor* Compilation_lock;                // a lock used to pause compilation
  97 extern Mutex*   CompileTaskAlloc_lock;           // a lock held when CompileTasks are allocated
  98 extern Mutex*   CompileStatistics_lock;          // a lock held when updating compilation statistics
  99 extern Mutex*   MultiArray_lock;                 // a lock used to guard allocation of multi-dim arrays
 100 extern Monitor* Terminator_lock;                 // a lock used to guard termination of the vm
 101 extern Monitor* BeforeExit_lock;                 // a lock used to guard cleanups and shutdown hooks
 102 extern Monitor* Notify_lock;                     // a lock used to synchronize the start-up of the vm
 103 extern Monitor* Interrupt_lock;                  // a lock used for condition variable mediated interrupt processing
 104 extern Monitor* ProfileVM_lock;                  // a lock used for profiling the VMThread
 105 extern Mutex*   ProfilePrint_lock;               // a lock used to serialize the printing of profiles
 106 extern Mutex*   ExceptionCache_lock;             // a lock used to synchronize exception cache updates
 107 extern Mutex*   OsrList_lock;                    // a lock used to serialize access to OSR queues
 108 extern Monitor* ShenandoahMemProtect_lock;       // ShenandoahGC uses this for  memory protection to verify operations on the heap.
 109 
 110 #ifndef PRODUCT
 111 extern Mutex*   FullGCALot_lock;                 // a lock to make FullGCALot MT safe
 112 #endif // PRODUCT
 113 extern Mutex*   Debug1_lock;                     // A bunch of pre-allocated locks that can be used for tracing
 114 extern Mutex*   Debug2_lock;                     // down synchronization related bugs!
 115 extern Mutex*   Debug3_lock;
 116 
 117 extern Mutex*   RawMonitor_lock;
 118 extern Mutex*   PerfDataMemAlloc_lock;           // a lock on the allocator for PerfData memory for performance data
 119 extern Mutex*   PerfDataManager_lock;            // a long on access to PerfDataManager resources
 120 extern Mutex*   ParkerFreeList_lock;
 121 extern Mutex*   OopMapCacheAlloc_lock;           // protects allocation of oop_map caches
 122 
 123 extern Mutex*   FreeList_lock;                   // protects the free region list during safepoints
 124 extern Monitor* SecondaryFreeList_lock;          // protects the secondary free region list
 125 extern Mutex*   OldSets_lock;                    // protects the old region sets
 126 extern Monitor* RootRegionScan_lock;             // used to notify that the CM threads have finished scanning the IM snapshot regions
 127 extern Mutex*   MMUTracker_lock;                 // protects the MMU
 128                                                  // tracker data structures


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