117 extern Monitor* ThreadsSMRDelete_lock;           // Used by ThreadsSMRSupport to take pressure off the Threads_lock
118 extern Mutex*   ThreadIdTableCreate_lock;        // Used by ThreadIdTable to lazily create the thread id table
119 extern Mutex*   SharedDecoder_lock;              // serializes access to the decoder during normal (not error reporting) use
120 extern Mutex*   DCmdFactory_lock;                // serialize access to DCmdFactory information
121 #if INCLUDE_NMT
122 extern Mutex*   NMTQuery_lock;                   // serialize NMT Dcmd queries
123 #endif
124 #if INCLUDE_CDS
125 #if INCLUDE_JVMTI
126 extern Mutex*   CDSClassFileStream_lock;         // FileMapInfo::open_stream_for_jvmti
127 #endif
128 extern Mutex*   DumpTimeTable_lock;              // SystemDictionaryShared::find_or_allocate_info_for
129 #endif // INCLUDE_CDS
130 #if INCLUDE_JFR
131 extern Mutex*   JfrStacktrace_lock;              // used to guard access to the JFR stacktrace table
132 extern Monitor* JfrMsg_lock;                     // protects JFR messaging
133 extern Mutex*   JfrBuffer_lock;                  // protects JFR buffer operations
134 extern Mutex*   JfrStream_lock;                  // protects JFR stream access
135 extern Monitor* JfrThreadSampler_lock;           // used to suspend/resume JFR thread sampler
136 #endif



137 
138 #ifndef SUPPORTS_NATIVE_CX8
139 extern Mutex*   UnsafeJlong_lock;                // provides Unsafe atomic updates to jlongs on platforms that don't support cx8
140 #endif
141 
142 extern Mutex*   MetaspaceExpand_lock;            // protects Metaspace virtualspace and chunk expansions
143 extern Mutex*   ClassLoaderDataGraph_lock;       // protects CLDG list, needed for concurrent unloading
144 
145 
146 extern Mutex*   CodeHeapStateAnalytics_lock;     // lock print functions against concurrent analyze functions.
147                                                  // Only used locally in PrintCodeCacheLayout processing.
148 
149 #if INCLUDE_JVMCI
150 extern Monitor* JVMCI_lock;                      // Monitor to control initialization of JVMCI
151 #endif
152 
153 extern Mutex* tty_lock;                          // lock to synchronize output.
154 
155 // A MutexLocker provides mutual exclusion with respect to a given mutex
156 // for the scope which contains the locker.  The lock is an OS lock, not

117 extern Monitor* ThreadsSMRDelete_lock;           // Used by ThreadsSMRSupport to take pressure off the Threads_lock
118 extern Mutex*   ThreadIdTableCreate_lock;        // Used by ThreadIdTable to lazily create the thread id table
119 extern Mutex*   SharedDecoder_lock;              // serializes access to the decoder during normal (not error reporting) use
120 extern Mutex*   DCmdFactory_lock;                // serialize access to DCmdFactory information
121 #if INCLUDE_NMT
122 extern Mutex*   NMTQuery_lock;                   // serialize NMT Dcmd queries
123 #endif
124 #if INCLUDE_CDS
125 #if INCLUDE_JVMTI
126 extern Mutex*   CDSClassFileStream_lock;         // FileMapInfo::open_stream_for_jvmti
127 #endif
128 extern Mutex*   DumpTimeTable_lock;              // SystemDictionaryShared::find_or_allocate_info_for
129 #endif // INCLUDE_CDS
130 #if INCLUDE_JFR
131 extern Mutex*   JfrStacktrace_lock;              // used to guard access to the JFR stacktrace table
132 extern Monitor* JfrMsg_lock;                     // protects JFR messaging
133 extern Mutex*   JfrBuffer_lock;                  // protects JFR buffer operations
134 extern Mutex*   JfrStream_lock;                  // protects JFR stream access
135 extern Monitor* JfrThreadSampler_lock;           // used to suspend/resume JFR thread sampler
136 #endif
137 #if INCLUDE_TSAN
138 extern Mutex*   TsanOopMap_lock;                 // guards shared map of oops
139 #endif
140 
141 #ifndef SUPPORTS_NATIVE_CX8
142 extern Mutex*   UnsafeJlong_lock;                // provides Unsafe atomic updates to jlongs on platforms that don't support cx8
143 #endif
144 
145 extern Mutex*   MetaspaceExpand_lock;            // protects Metaspace virtualspace and chunk expansions
146 extern Mutex*   ClassLoaderDataGraph_lock;       // protects CLDG list, needed for concurrent unloading
147 
148 
149 extern Mutex*   CodeHeapStateAnalytics_lock;     // lock print functions against concurrent analyze functions.
150                                                  // Only used locally in PrintCodeCacheLayout processing.
151 
152 #if INCLUDE_JVMCI
153 extern Monitor* JVMCI_lock;                      // Monitor to control initialization of JVMCI
154 #endif
155 
156 extern Mutex* tty_lock;                          // lock to synchronize output.
157 
158 // A MutexLocker provides mutual exclusion with respect to a given mutex
159 // for the scope which contains the locker.  The lock is an OS lock, not