77 lines
2.8 KiB
C++
77 lines
2.8 KiB
C++
/*
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* Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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#include "precompiled.hpp"
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#include "oops/oop.inline.hpp"
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#include "runtime/atomic.hpp"
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#include "utilities/accessFlags.hpp"
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void AccessFlags::atomic_set_bits(jint bits) {
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// Atomically update the flags with the bits given
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jint old_flags, new_flags, f;
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do {
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old_flags = _flags;
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new_flags = old_flags | bits;
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f = Atomic::cmpxchg(new_flags, &_flags, old_flags);
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} while(f != old_flags);
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}
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void AccessFlags::atomic_clear_bits(jint bits) {
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// Atomically update the flags with the bits given
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jint old_flags, new_flags, f;
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do {
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old_flags = _flags;
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new_flags = old_flags & ~bits;
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f = Atomic::cmpxchg(new_flags, &_flags, old_flags);
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} while(f != old_flags);
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}
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#if !defined(PRODUCT) || INCLUDE_JVMTI
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void AccessFlags::print_on(outputStream* st) const {
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if (is_public ()) st->print("public " );
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if (is_private ()) st->print("private " );
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if (is_protected ()) st->print("protected " );
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if (is_static ()) st->print("static " );
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if (is_final ()) st->print("final " );
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if (is_synchronized()) st->print("synchronized ");
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if (is_volatile ()) st->print("volatile " );
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if (is_transient ()) st->print("transient " );
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if (is_native ()) st->print("native " );
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if (is_interface ()) st->print("interface " );
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if (is_abstract ()) st->print("abstract " );
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if (is_strict ()) st->print("strict " );
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if (is_synthetic ()) st->print("synthetic " );
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if (is_old ()) st->print("{old} " );
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if (is_obsolete ()) st->print("{obsolete} " );
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if (on_stack ()) st->print("{on_stack} " );
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}
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#endif // !PRODUCT || INCLUDE_JVMTI
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void accessFlags_init() {
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assert(sizeof(AccessFlags) == sizeof(jint), "just checking size of flags");
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}
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