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src/share/vm/utilities/accessFlags.cpp@c18cbe5936b8 (annotated)

src/share/vm/utilities/accessFlags.cpp

Thu, 27 May 2010 19:08:38 -0700

author

trims

date

Thu, 27 May 2010 19:08:38 -0700

changeset 1907

c18cbe5936b8

parent 435

a61af66fc99e

child 2314

f95d63e2154a

permissions

-rw-r--r--

6941466: Oracle rebranding changes for Hotspot repositories
Summary: Change all the Sun copyrights to Oracle copyright
Reviewed-by: ohair

duke@435	1	/*
trims@1907	2	* Copyright (c) 1997, 2006, Oracle and/or its affiliates. All rights reserved.
duke@435	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435	4	*
duke@435	5	* This code is free software; you can redistribute it and/or modify it
duke@435	6	* under the terms of the GNU General Public License version 2 only, as
duke@435	7	* published by the Free Software Foundation.
duke@435	8	*
duke@435	9	* This code is distributed in the hope that it will be useful, but WITHOUT
duke@435	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435	12	* version 2 for more details (a copy is included in the LICENSE file that
duke@435	13	* accompanied this code).
duke@435	14	*
duke@435	15	* You should have received a copy of the GNU General Public License version
duke@435	16	* 2 along with this work; if not, write to the Free Software Foundation,
duke@435	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435	18	*
trims@1907	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907	20	* or visit www.oracle.com if you need additional information or have any
trims@1907	21	* questions.
duke@435	22	*
duke@435	23	*/
duke@435	24
duke@435	25	# include "incls/_precompiled.incl"
duke@435	26	# include "incls/_accessFlags.cpp.incl"
duke@435	27
duke@435	28
duke@435	29	void AccessFlags::atomic_set_bits(jint bits) {
duke@435	30	// Atomically update the flags with the bits given
duke@435	31	jint old_flags, new_flags, f;
duke@435	32	do {
duke@435	33	old_flags = _flags;
duke@435	34	new_flags = old_flags | bits;
duke@435	35	f = Atomic::cmpxchg(new_flags, &_flags, old_flags);
duke@435	36	} while(f != old_flags);
duke@435	37	}
duke@435	38
duke@435	39	void AccessFlags::atomic_clear_bits(jint bits) {
duke@435	40	// Atomically update the flags with the bits given
duke@435	41	jint old_flags, new_flags, f;
duke@435	42	do {
duke@435	43	old_flags = _flags;
duke@435	44	new_flags = old_flags & ~bits;
duke@435	45	f = Atomic::cmpxchg(new_flags, &_flags, old_flags);
duke@435	46	} while(f != old_flags);
duke@435	47	}
duke@435	48
duke@435	49	#ifndef PRODUCT
duke@435	50
duke@435	51	void AccessFlags::print_on(outputStream* st) const {
duke@435	52	if (is_public ()) st->print("public " );
duke@435	53	if (is_private ()) st->print("private " );
duke@435	54	if (is_protected ()) st->print("protected " );
duke@435	55	if (is_static ()) st->print("static " );
duke@435	56	if (is_final ()) st->print("final " );
duke@435	57	if (is_synchronized()) st->print("synchronized ");
duke@435	58	if (is_volatile ()) st->print("volatile " );
duke@435	59	if (is_transient ()) st->print("transient " );
duke@435	60	if (is_native ()) st->print("native " );
duke@435	61	if (is_interface ()) st->print("interface " );
duke@435	62	if (is_abstract ()) st->print("abstract " );
duke@435	63	if (is_strict ()) st->print("strict " );
duke@435	64	if (is_synthetic ()) st->print("synthetic " );
duke@435	65	if (is_old ()) st->print("{old} " );
duke@435	66	if (is_obsolete ()) st->print("{obsolete} " );
duke@435	67	}
duke@435	68
duke@435	69	#endif
duke@435	70
duke@435	71	void accessFlags_init() {
duke@435	72	assert(sizeof(AccessFlags) == sizeof(jint), "just checking size of flags");
duke@435	73	}