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comparison: src/share/vm/gc_implementation/g1/g1RootProcessor.hpp

src/share/vm/gc_implementation/g1/g1RootProcessor.hpp

changeset 9358
6a4a6c499e89
parent 8070
c0205eddb317
equal deleted inserted replaced
9357:0ef29304c2b4 9358:6a4a6c499e89
1 /* 1 /*
2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. 2 * Copyright (c) 2015, 2018, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 * 4 *
5 * This code is free software; you can redistribute it and/or modify it 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 6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
32 class CLDClosure; 32 class CLDClosure;
33 class CodeBlobClosure; 33 class CodeBlobClosure;
34 class G1CollectedHeap; 34 class G1CollectedHeap;
35 class G1GCPhaseTimes; 35 class G1GCPhaseTimes;
36 class G1ParPushHeapRSClosure; 36 class G1ParPushHeapRSClosure;
37 class G1RootClosures;
37 class Monitor; 38 class Monitor;
38 class OopClosure; 39 class OopClosure;
39 class SubTasksDone; 40 class SubTasksDone;
40 41
41 // Scoped object to assist in applying oop, CLD and code blob closures to 42 // Scoped object to assist in applying oop, CLD and code blob closures to
69 }; 70 };
70 71
71 void worker_has_discovered_all_strong_classes(); 72 void worker_has_discovered_all_strong_classes();
72 void wait_until_all_strong_classes_discovered(); 73 void wait_until_all_strong_classes_discovered();
73 74
75 void process_all_roots(OopClosure* oops,
76 CLDClosure* clds,
77 CodeBlobClosure* blobs,
78 bool process_string_table);
79
74 void process_java_roots(OopClosure* scan_non_heap_roots, 80 void process_java_roots(OopClosure* scan_non_heap_roots,
75 CLDClosure* thread_stack_clds, 81 CLDClosure* thread_stack_clds,
76 CLDClosure* scan_strong_clds, 82 CLDClosure* scan_strong_clds,
77 CLDClosure* scan_weak_clds, 83 CLDClosure* scan_weak_clds,
78 CodeBlobClosure* scan_strong_code, 84 CodeBlobClosure* scan_strong_code,
81 87
82 void process_vm_roots(OopClosure* scan_non_heap_roots, 88 void process_vm_roots(OopClosure* scan_non_heap_roots,
83 OopClosure* scan_non_heap_weak_roots, 89 OopClosure* scan_non_heap_weak_roots,
84 G1GCPhaseTimes* phase_times, 90 G1GCPhaseTimes* phase_times,
85 uint worker_i); 91 uint worker_i);
92
93 void process_string_table_roots(OopClosure* scan_non_heap_weak_roots,
94 G1GCPhaseTimes* phase_times,
95 uint worker_i);
96
97 void process_code_cache_roots(CodeBlobClosure* code_closure,
98 G1GCPhaseTimes* phase_times,
99 uint worker_i);
86 100
87 public: 101 public:
88 G1RootProcessor(G1CollectedHeap* g1h); 102 G1RootProcessor(G1CollectedHeap* g1h);
89 103
90 // Apply closures to the strongly and weakly reachable roots in the system 104 // Apply closures to the strongly and weakly reachable roots in the system
112 // (having done "set_region" to indicate the region in which the root resides), 126 // (having done "set_region" to indicate the region in which the root resides),
113 void scan_remembered_sets(G1ParPushHeapRSClosure* scan_rs, 127 void scan_remembered_sets(G1ParPushHeapRSClosure* scan_rs,
114 OopClosure* scan_non_heap_weak_roots, 128 OopClosure* scan_non_heap_weak_roots,
115 uint worker_i); 129 uint worker_i);
116 130
131 // Apply oops, clds and blobs to strongly and weakly reachable roots in the system,
132 // the only thing different from process_all_roots is that we skip the string table
133 // to avoid keeping every string live when doing class unloading.
134 void process_all_roots_no_string_table(OopClosure* oops,
135 CLDClosure* clds,
136 CodeBlobClosure* blobs);
137
117 // Inform the root processor about the number of worker threads 138 // Inform the root processor about the number of worker threads
118 void set_num_workers(int active_workers); 139 void set_num_workers(int active_workers);
119 }; 140 };
120 141
121 #endif // SHARE_VM_GC_IMPLEMENTATION_G1_ROOTPROCESSOR_HPP 142 #endif // SHARE_VM_GC_IMPLEMENTATION_G1_ROOTPROCESSOR_HPP

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