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src/share/vm/runtime/orderAccess.cpp@74c848d437ab (annotated)

src/share/vm/runtime/orderAccess.cpp

Wed, 03 Feb 2010 12:28:30 -0800

author

never

date

Wed, 03 Feb 2010 12:28:30 -0800

changeset 1642

74c848d437ab

parent 1279

bd02caa94611

child 1907

c18cbe5936b8

permissions

-rw-r--r--

6921922: fix for 6911204 breaks tagged stack interpreter
Reviewed-by: kvn

duke@435	1	/*
xdono@1279	2	* Copyright 2003-2009 Sun Microsystems, Inc. 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	*
duke@435	19	* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
duke@435	20	* CA 95054 USA or visit www.sun.com if you need additional information or
duke@435	21	* have any questions.
duke@435	22	*
duke@435	23	*/
duke@435	24
duke@435	25	# include "incls/_precompiled.incl"
duke@435	26	# include "incls/_orderAccess.cpp.incl"
duke@435	27
duke@435	28	volatile intptr_t OrderAccess::dummy = 0;
never@1106	29
never@1106	30	void OrderAccess::StubRoutines_fence() {
never@1106	31	// Use a stub if it exists. It may not exist during bootstrap so do
never@1106	32	// nothing in that case but assert if no fence code exists after threads have been created
never@1106	33	void (*func)() = CAST_TO_FN_PTR(void (*)(), StubRoutines::fence_entry());
never@1106	34
never@1106	35	if (func != NULL) {
never@1106	36	(*func)();
never@1106	37	return;
never@1106	38	}
never@1106	39	assert(Threads::number_of_threads() == 0, "for bootstrap only");
never@1106	40	}