1 /*
2 * Copyright (c) 1997, 2010, 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 *
42 void AccessFlags::atomic_set_bits(jint bits) {
43 // Atomically update the flags with the bits given
44 jint old_flags, new_flags, f;
45 do {
46 old_flags = _flags;
47 new_flags = old_flags | bits;
48 f = Atomic::cmpxchg(new_flags, &_flags, old_flags);
49 } while(f != old_flags);
50 }
51
52 void AccessFlags::atomic_clear_bits(jint bits) {
53 // Atomically update the flags with the bits given
54 jint old_flags, new_flags, f;
55 do {
56 old_flags = _flags;
57 new_flags = old_flags & ~bits;
58 f = Atomic::cmpxchg(new_flags, &_flags, old_flags);
59 } while(f != old_flags);
60 }
61
62 #ifndef PRODUCT
63
64 void AccessFlags::print_on(outputStream* st) const {
65 if (is_public ()) st->print("public " );
66 if (is_private ()) st->print("private " );
67 if (is_protected ()) st->print("protected " );
68 if (is_static ()) st->print("static " );
69 if (is_final ()) st->print("final " );
70 if (is_synchronized()) st->print("synchronized ");
71 if (is_volatile ()) st->print("volatile " );
72 if (is_transient ()) st->print("transient " );
73 if (is_native ()) st->print("native " );
74 if (is_interface ()) st->print("interface " );
75 if (is_abstract ()) st->print("abstract " );
76 if (is_strict ()) st->print("strict " );
77 if (is_synthetic ()) st->print("synthetic " );
78 if (is_old ()) st->print("{old} " );
79 if (is_obsolete ()) st->print("{obsolete} " );
80 }
81
82 #endif
83
84 void accessFlags_init() {
85 assert(sizeof(AccessFlags) == sizeof(jint), "just checking size of flags");
86 }
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1 /*
2 * Copyright (c) 1997, 2013, 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 *
42 void AccessFlags::atomic_set_bits(jint bits) {
43 // Atomically update the flags with the bits given
44 jint old_flags, new_flags, f;
45 do {
46 old_flags = _flags;
47 new_flags = old_flags | bits;
48 f = Atomic::cmpxchg(new_flags, &_flags, old_flags);
49 } while(f != old_flags);
50 }
51
52 void AccessFlags::atomic_clear_bits(jint bits) {
53 // Atomically update the flags with the bits given
54 jint old_flags, new_flags, f;
55 do {
56 old_flags = _flags;
57 new_flags = old_flags & ~bits;
58 f = Atomic::cmpxchg(new_flags, &_flags, old_flags);
59 } while(f != old_flags);
60 }
61
62 void AccessFlags::print_on(outputStream* st) const {
63 if (is_public ()) st->print("public " );
64 if (is_private ()) st->print("private " );
65 if (is_protected ()) st->print("protected " );
66 if (is_static ()) st->print("static " );
67 if (is_final ()) st->print("final " );
68 if (is_synchronized()) st->print("synchronized ");
69 if (is_volatile ()) st->print("volatile " );
70 if (is_transient ()) st->print("transient " );
71 if (is_native ()) st->print("native " );
72 if (is_interface ()) st->print("interface " );
73 if (is_abstract ()) st->print("abstract " );
74 if (is_strict ()) st->print("strict " );
75 if (is_synthetic ()) st->print("synthetic " );
76 if (is_old ()) st->print("{old} " );
77 if (is_obsolete ()) st->print("{obsolete} " );
78 }
79
80 void accessFlags_init() {
81 assert(sizeof(AccessFlags) == sizeof(jint), "just checking size of flags");
82 }
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