1 /*
2 * Copyright (c) 1997, 2019, 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 *
52 extern Mutex* VtableStubs_lock; // a lock on the VtableStubs
53 extern Mutex* SymbolArena_lock; // a lock on the symbol table arena
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
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 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* 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 Mutex* NonJavaThreadsList_lock; // a lock on the NonJavaThreads list
66 extern Mutex* NonJavaThreadsListSync_lock; // a lock for NonJavaThreads list synchronization
67 extern Monitor* CGC_lock; // used for coordination between
68 // fore- & background GC threads.
69 extern Monitor* STS_lock; // used for joining/leaving SuspendibleThreadSet.
70 extern Monitor* FullGCCount_lock; // in support of "concurrent" full gc
71 extern Monitor* G1OldGCCount_lock; // in support of "concurrent" full gc
72 extern Monitor* DirtyCardQ_CBL_mon; // Protects dirty card Q
73 // completed buffer queue.
74 extern Mutex* Shared_DirtyCardQ_lock; // Lock protecting dirty card
75 // queue shared by
76 // non-Java threads.
77 extern Mutex* MarkStackFreeList_lock; // Protects access to the global mark stack free list.
78 extern Mutex* MarkStackChunkList_lock; // Protects access to the global mark stack chunk list.
79 extern Mutex* MonitoringSupport_lock; // Protects updates to the serviceability memory pools.
80 extern Mutex* ParGCRareEvent_lock; // Synchronizes various (rare) parallel GC ops.
81 extern Mutex* Compile_lock; // a lock held when Compilation is updating code (used to block CodeCache traversal, CHA updates, etc)
82 extern Monitor* MethodCompileQueue_lock; // a lock held when method compilations are enqueued, dequeued
83 extern Monitor* CompileThread_lock; // a lock held by compile threads during compilation system initialization
84 extern Monitor* Compilation_lock; // a lock used to pause compilation
85 extern Mutex* CompileTaskAlloc_lock; // a lock held when CompileTasks are allocated
86 extern Mutex* CompileStatistics_lock; // a lock held when updating compilation statistics
87 extern Mutex* DirectivesStack_lock; // a lock held when mutating the dirstack and ref counting directives
88 extern Mutex* MultiArray_lock; // a lock used to guard allocation of multi-dim arrays
89 extern Monitor* Terminator_lock; // a lock used to guard termination of the vm
90 extern Monitor* InitCompleted_lock; // a lock used to signal threads waiting on init completed
91 extern Monitor* BeforeExit_lock; // a lock used to guard cleanups and shutdown hooks
92 extern Monitor* Notify_lock; // a lock used to synchronize the start-up of the vm
93 extern Mutex* ProfilePrint_lock; // a lock used to serialize the printing of profiles
|
1 /*
2 * Copyright (c) 1997, 2020, 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 *
52 extern Mutex* VtableStubs_lock; // a lock on the VtableStubs
53 extern Mutex* SymbolArena_lock; // a lock on the symbol table arena
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
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 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* 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 Mutex* NonJavaThreadsList_lock; // a lock on the NonJavaThreads list
66 extern Mutex* NonJavaThreadsListSync_lock; // a lock for NonJavaThreads list synchronization
67 extern Monitor* CGC_lock; // used for coordination between
68 // fore- & background GC threads.
69 extern Monitor* STS_lock; // used for joining/leaving SuspendibleThreadSet.
70 extern Monitor* FullGCCount_lock; // in support of "concurrent" full gc
71 extern Monitor* G1OldGCCount_lock; // in support of "concurrent" full gc
72 extern Mutex* Shared_DirtyCardQ_lock; // Lock protecting dirty card
73 // queue shared by
74 // non-Java threads.
75 extern Mutex* MarkStackFreeList_lock; // Protects access to the global mark stack free list.
76 extern Mutex* MarkStackChunkList_lock; // Protects access to the global mark stack chunk list.
77 extern Mutex* MonitoringSupport_lock; // Protects updates to the serviceability memory pools.
78 extern Mutex* ParGCRareEvent_lock; // Synchronizes various (rare) parallel GC ops.
79 extern Mutex* Compile_lock; // a lock held when Compilation is updating code (used to block CodeCache traversal, CHA updates, etc)
80 extern Monitor* MethodCompileQueue_lock; // a lock held when method compilations are enqueued, dequeued
81 extern Monitor* CompileThread_lock; // a lock held by compile threads during compilation system initialization
82 extern Monitor* Compilation_lock; // a lock used to pause compilation
83 extern Mutex* CompileTaskAlloc_lock; // a lock held when CompileTasks are allocated
84 extern Mutex* CompileStatistics_lock; // a lock held when updating compilation statistics
85 extern Mutex* DirectivesStack_lock; // a lock held when mutating the dirstack and ref counting directives
86 extern Mutex* MultiArray_lock; // a lock used to guard allocation of multi-dim arrays
87 extern Monitor* Terminator_lock; // a lock used to guard termination of the vm
88 extern Monitor* InitCompleted_lock; // a lock used to signal threads waiting on init completed
89 extern Monitor* BeforeExit_lock; // a lock used to guard cleanups and shutdown hooks
90 extern Monitor* Notify_lock; // a lock used to synchronize the start-up of the vm
91 extern Mutex* ProfilePrint_lock; // a lock used to serialize the printing of profiles
|