Mercurial > hg > truffle
annotate src/share/vm/utilities/accessFlags.cpp @ 3763:e66f38dd58a9
Merge
author | ysr |
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date | Wed, 08 Jun 2011 08:39:53 -0700 |
parents | f95d63e2154a |
children | f08d439fab8c |
rev | line source |
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0 | 1 /* |
1972 | 2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. |
0 | 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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #include "precompiled.hpp" |
26 #include "oops/oop.inline.hpp" | |
27 #include "utilities/accessFlags.hpp" | |
28 #ifdef TARGET_OS_FAMILY_linux | |
29 # include "os_linux.inline.hpp" | |
30 #endif | |
31 #ifdef TARGET_OS_FAMILY_solaris | |
32 # include "os_solaris.inline.hpp" | |
33 #endif | |
34 #ifdef TARGET_OS_FAMILY_windows | |
35 # include "os_windows.inline.hpp" | |
36 #endif | |
0 | 37 |
38 | |
39 void AccessFlags::atomic_set_bits(jint bits) { | |
40 // Atomically update the flags with the bits given | |
41 jint old_flags, new_flags, f; | |
42 do { | |
43 old_flags = _flags; | |
44 new_flags = old_flags | bits; | |
45 f = Atomic::cmpxchg(new_flags, &_flags, old_flags); | |
46 } while(f != old_flags); | |
47 } | |
48 | |
49 void AccessFlags::atomic_clear_bits(jint bits) { | |
50 // Atomically update the flags with the bits given | |
51 jint old_flags, new_flags, f; | |
52 do { | |
53 old_flags = _flags; | |
54 new_flags = old_flags & ~bits; | |
55 f = Atomic::cmpxchg(new_flags, &_flags, old_flags); | |
56 } while(f != old_flags); | |
57 } | |
58 | |
59 #ifndef PRODUCT | |
60 | |
61 void AccessFlags::print_on(outputStream* st) const { | |
62 if (is_public ()) st->print("public " ); | |
63 if (is_private ()) st->print("private " ); | |
64 if (is_protected ()) st->print("protected " ); | |
65 if (is_static ()) st->print("static " ); | |
66 if (is_final ()) st->print("final " ); | |
67 if (is_synchronized()) st->print("synchronized "); | |
68 if (is_volatile ()) st->print("volatile " ); | |
69 if (is_transient ()) st->print("transient " ); | |
70 if (is_native ()) st->print("native " ); | |
71 if (is_interface ()) st->print("interface " ); | |
72 if (is_abstract ()) st->print("abstract " ); | |
73 if (is_strict ()) st->print("strict " ); | |
74 if (is_synthetic ()) st->print("synthetic " ); | |
75 if (is_old ()) st->print("{old} " ); | |
76 if (is_obsolete ()) st->print("{obsolete} " ); | |
77 } | |
78 | |
79 #endif | |
80 | |
81 void accessFlags_init() { | |
82 assert(sizeof(AccessFlags) == sizeof(jint), "just checking size of flags"); | |
83 } |