/*
 * The GWU Unified Testing Suite (GUTS) 
 * Latest modifications and integration to GUTS framework
 *  
 * Copyright (C) 2007 ... Abdullah Kayi
 * Copyright (C) 2007 ... Tarek El-Ghazawi 
 * Copyright (C) 2007 ... The George Washington University
 *
 * ---------------------------------------------------------------------------
 *
 * UPC Testing Suite Original Development
 *
 * Copyright (C) 2003 ... Veysel Baydogan, Proshanta Saha, Tarek El-Ghazawi
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This 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 program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */

#include <upc.h>
#include <gula.h>
#include <stdio.h>

upc_lock_t   *lock1;
upc_lock_t   *lock2;
upc_lock_t * shared all_locks[THREADS];

int
main()
{
    /*
     * To check that the upc_global_lock_alloc function dynamically 
     * allocates a lock and returns a pointer to it 
     */

    lock1 = upc_global_lock_alloc();

    if(lock1 == NULL)
        GULA_FAIL("failed to allocate lock");

    upc_lock(lock1);
    upc_unlock(lock1);

    /*
     * To check that the upc_global_lock_alloc function is not a collective
     * function, and that calls by multiple threads returns different allocations
     */

    int i,j;
    lock2 = upc_global_lock_alloc();

    if(lock2 == NULL)
        GULA_FAIL("failed to allocate lock");

    all_locks[MYTHREAD] = lock2;

    upc_barrier;

    if(MYTHREAD == 0) {
        for(i=0; i<THREADS ;i++) {
            for( j=0; j<THREADS; j++ ) {
                if( i != j ) {
                    if( all_locks[i] == all_locks[j] )
                        GULA_FAIL("failed to return different lock");
                }
            }
        }
    }

    upc_barrier;               /* Ensure all is done  */

#ifdef BUPC_TEST_HARNESS
    upc_barrier;

    if (!MYTHREAD)
        printf ("Passed.\n");

#endif /* BUPC_TEST_HARNESS */
    return 0;
}