Mercurial > hg > graal-compiler
comparison src/share/vm/gc_implementation/shared/gcId.hpp @ 20190:0982ec23da03
8043607: Add a GC id as a log decoration similar to PrintGCTimeStamps
Reviewed-by: jwilhelm, ehelin, tschatzl
author | brutisso |
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date | Thu, 19 Jun 2014 13:31:14 +0200 |
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20189:5d855d021755 | 20190:0982ec23da03 |
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1 /* | |
2 * Copyright (c) 2014, 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 * | |
23 */ | |
24 | |
25 #ifndef SHARE_VM_GC_IMPLEMENTATION_SHARED_GCID_HPP | |
26 #define SHARE_VM_GC_IMPLEMENTATION_SHARED_GCID_HPP | |
27 | |
28 #include "memory/allocation.hpp" | |
29 | |
30 class GCId VALUE_OBJ_CLASS_SPEC { | |
31 private: | |
32 uint _id; | |
33 GCId(uint id) : _id(id) {} | |
34 GCId() { } // Unused | |
35 | |
36 static uint _next_id; | |
37 static const uint UNDEFINED = (uint)-1; | |
38 | |
39 public: | |
40 uint id() const { | |
41 assert(_id != UNDEFINED, "Using undefined GC ID"); | |
42 return _id; | |
43 } | |
44 bool is_undefined() const; | |
45 | |
46 static const GCId create(); | |
47 static const GCId peek(); | |
48 static const GCId undefined(); | |
49 }; | |
50 | |
51 #endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_GCID_HPP |