sam-t2/sam/system/util/barrier.cc

// ========== Copyright Header Begin ==========================================
//
// OpenSPARC T2 Processor File: barrier.cc
// Copyright (c) 2006 Sun Microsystems, Inc.  All Rights Reserved.
// DO NOT ALTER OR REMOVE COPYRIGHT NOTICES.
//
// The above named program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public
// License version 2 as published by the Free Software Foundation.
//
// The above named program 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 for more details.
//
// You should have received a copy of the GNU General Public
// License along with this work; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
//
// ========== Copyright Header End ============================================
/*
 * Copyright (C) 2001 Sun Microsystems, Inc.
 * All rights reserved.
 */
#pragma ident "@(#)1.2  02/05/23        barrier.cc"

#include <sys/types.h>
#include <assert.h>
#include <stdio.h>

#include <synch.h>
#include <thread.h>

#include "barrier.h"

extern uint64_t global_tick;

void barrier_init(struct barrier *bp, int count)
{
        bp->maxcount = count;
        bp->sbp = &bp->sb[0];
        bp->p_global_tick = &global_tick;

        for (int i = 0; i < 2; i++) {
                bp->sb[i].cv = 1;
                bp->sb[i].runners = count;
        }
}