1 /*
2 * Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
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* Heap_lock; // a lock on the heap
47 extern Mutex* ExpandHeap_lock; // a lock on expanding the heap
48 extern Mutex* AdapterHandlerLibrary_lock; // a lock on the AdapterHandlerLibrary
49 extern Mutex* SignatureHandlerLibrary_lock; // a lock on the SignatureHandlerLibrary
50 extern Mutex* VtableStubs_lock; // a lock on the VtableStubs
51 extern Mutex* SymbolTable_lock; // a lock on the symbol table
52 extern Mutex* StringTable_lock; // a lock on the interned string table
53 extern Monitor* StringDedupQueue_lock; // a lock on the string deduplication queue
54 extern Mutex* StringDedupTable_lock; // a lock on the string deduplication table
55 extern Monitor* CodeCache_lock; // a lock on the CodeCache, rank is special, use MutexLockerEx
56 extern Mutex* MethodData_lock; // a lock on installation of method data
57 extern Mutex* TouchedMethodLog_lock; // a lock on allocation of LogExecutedMethods info
58 extern Mutex* RetData_lock; // a lock on installation of RetData inside method data
59 extern Mutex* DerivedPointerTableGC_lock; // a lock to protect the derived pointer table
60 extern Monitor* VMOperationQueue_lock; // a lock on queue of vm_operations waiting to execute
61 extern Monitor* VMOperationRequest_lock; // a lock on Threads waiting for a vm_operation to terminate
62 extern Monitor* Safepoint_lock; // a lock used by the safepoint abstraction
63 extern Monitor* Threads_lock; // a lock on the Threads table of active Java threads
64 // (also used by Safepoints too to block threads creation/destruction)
65 extern Monitor* CGC_lock; // used for coordination between
66 // fore- & background GC threads.
67 extern Monitor* STS_lock; // used for joining/leaving SuspendibleThreadSet.
68 extern Monitor* FullGCCount_lock; // in support of "concurrent" full gc
69 extern Mutex* SATB_Q_FL_lock; // Protects SATB Q
70 // buffer free list.
71 extern Monitor* SATB_Q_CBL_mon; // Protects SATB Q
72 // completed buffer queue.
73 extern Mutex* Shared_SATB_Q_lock; // Lock protecting SATB
74 // queue shared by
75 // non-Java threads.
76
77 extern Mutex* DirtyCardQ_FL_lock; // Protects dirty card Q
78 // buffer free list.
79 extern Monitor* DirtyCardQ_CBL_mon; // Protects dirty card Q
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1 /*
2 * Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
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* Heap_lock; // a lock on the heap
47 extern Mutex* ExpandHeap_lock; // a lock on expanding the heap
48 extern Mutex* AdapterHandlerLibrary_lock; // a lock on the AdapterHandlerLibrary
49 extern Mutex* SignatureHandlerLibrary_lock; // a lock on the SignatureHandlerLibrary
50 extern Mutex* VtableStubs_lock; // a lock on the VtableStubs
51 extern Mutex* SymbolTable_lock; // a lock on the symbol table
52 extern Mutex* StringTable_lock; // a lock on the interned string table
53 extern Monitor* StringDedupQueue_lock; // a lock on the string deduplication queue
54 extern Mutex* StringDedupTable_lock; // a lock on the string deduplication table
55 extern Monitor* CodeCache_lock; // a lock on the CodeCache, rank is special, use MutexLockerEx
56 extern Mutex* MethodData_lock; // a lock on installation of method data
57 extern Mutex* TouchedMethodLog_lock; // a lock on allocation of LogExecutedMethods info
58 extern Mutex* RetData_lock; // a lock on installation of RetData inside method data
59 extern Mutex* DerivedPointerTableGC_lock; // a lock to protect the derived pointer table
60 extern Monitor* CGCPhaseManager_lock; // a lock to protect a concurrent GC's phase management
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.
68 extern Monitor* STS_lock; // used for joining/leaving SuspendibleThreadSet.
69 extern Monitor* FullGCCount_lock; // in support of "concurrent" full gc
70 extern Mutex* SATB_Q_FL_lock; // Protects SATB Q
71 // buffer free list.
72 extern Monitor* SATB_Q_CBL_mon; // Protects SATB Q
73 // completed buffer queue.
74 extern Mutex* Shared_SATB_Q_lock; // Lock protecting SATB
75 // queue shared by
76 // non-Java threads.
77
78 extern Mutex* DirtyCardQ_FL_lock; // Protects dirty card Q
79 // buffer free list.
80 extern Monitor* DirtyCardQ_CBL_mon; // Protects dirty card Q
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