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