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J. Duke 2007-12-01 00:00:00 +00:00
parent 686d76f772
commit 8153779ad3
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73
hotspot/src/share/vm/utilities/accessFlags.cpp Normal file
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/*
* Copyright 1997-2006 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*
*/
# include "incls/_precompiled.incl"
# include "incls/_accessFlags.cpp.incl"
void AccessFlags::atomic_set_bits(jint bits) {
// Atomically update the flags with the bits given
jint old_flags, new_flags, f;
do {
old_flags = _flags;
new_flags = old_flags | bits;
f = Atomic::cmpxchg(new_flags, &_flags, old_flags);
} while(f != old_flags);
}
void AccessFlags::atomic_clear_bits(jint bits) {
// Atomically update the flags with the bits given
jint old_flags, new_flags, f;
do {
old_flags = _flags;
new_flags = old_flags & ~bits;
f = Atomic::cmpxchg(new_flags, &_flags, old_flags);
} while(f != old_flags);
}
#ifndef PRODUCT
void AccessFlags::print_on(outputStream* st) const {
if (is_public ()) st->print("public " );
if (is_private ()) st->print("private " );
if (is_protected ()) st->print("protected " );
if (is_static ()) st->print("static " );
if (is_final ()) st->print("final " );
if (is_synchronized()) st->print("synchronized ");
if (is_volatile ()) st->print("volatile " );
if (is_transient ()) st->print("transient " );
if (is_native ()) st->print("native " );
if (is_interface ()) st->print("interface " );
if (is_abstract ()) st->print("abstract " );
if (is_strict ()) st->print("strict " );
if (is_synthetic ()) st->print("synthetic " );
if (is_old ()) st->print("{old} " );
if (is_obsolete ()) st->print("{obsolete} " );
}
#endif
void accessFlags_init() {
assert(sizeof(AccessFlags) == sizeof(jint), "just checking size of flags");
}