accessFlags.cpp revision 0:a61af66fc99e 
1/*
2 * Copyright 1997-2006 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25# include "incls/_precompiled.incl"
26# include "incls/_accessFlags.cpp.incl"
27
28
29void AccessFlags::atomic_set_bits(jint bits) {
30  // Atomically update the flags with the bits given
31  jint old_flags, new_flags, f;
32  do {
33    old_flags = _flags;
34    new_flags = old_flags | bits;
35    f = Atomic::cmpxchg(new_flags, &_flags, old_flags);
36  } while(f != old_flags);
37}
38
39void AccessFlags::atomic_clear_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#ifndef PRODUCT
50
51void AccessFlags::print_on(outputStream* st) const {
52  if (is_public      ()) st->print("public "      );
53  if (is_private     ()) st->print("private "     );
54  if (is_protected   ()) st->print("protected "   );
55  if (is_static      ()) st->print("static "      );
56  if (is_final       ()) st->print("final "       );
57  if (is_synchronized()) st->print("synchronized ");
58  if (is_volatile    ()) st->print("volatile "    );
59  if (is_transient   ()) st->print("transient "   );
60  if (is_native      ()) st->print("native "      );
61  if (is_interface   ()) st->print("interface "   );
62  if (is_abstract    ()) st->print("abstract "    );
63  if (is_strict      ()) st->print("strict "      );
64  if (is_synthetic   ()) st->print("synthetic "   );
65  if (is_old         ()) st->print("{old} "       );
66  if (is_obsolete    ()) st->print("{obsolete} "  );
67}
68
69#endif
70
71void accessFlags_init() {
72  assert(sizeof(AccessFlags) == sizeof(jint), "just checking size of flags");
73}
74