1 /* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
2 /*
3  * Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
4  *                         University Research and Technology
5  *                         Corporation.  All rights reserved.
6  * Copyright (c) 2004-2005 The University of Tennessee and The University
7  *                         of Tennessee Research Foundation.  All rights
8  *                         reserved.
9  * Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
10  *                         University of Stuttgart.  All rights reserved.
11  * Copyright (c) 2004-2005 The Regents of the University of California.
12  *                         All rights reserved.
13  * Copyright (c) 2014      Los Alamos National Security, LLC. All rights
14  *                         reserved.
15  * $COPYRIGHT$
16  *
17  * Additional copyrights may follow
18  *
19  * $HEADER$
20  */
21 
22 #include "opal_config.h"
23 #include "opal/class/opal_fifo.h"
24 
opal_fifo_construct(opal_fifo_t * fifo)25 static void opal_fifo_construct (opal_fifo_t *fifo)
26 {
27     OBJ_CONSTRUCT(&fifo->opal_fifo_ghost, opal_list_item_t);
28 
29     fifo->opal_fifo_ghost.opal_list_next = &fifo->opal_fifo_ghost;
30 
31     /** used to protect against ABA problems when not using a 128-bit compare-and-set */
32     fifo->opal_fifo_ghost.item_free = 0;
33 
34     fifo->opal_fifo_head.data.counter = 0;
35     fifo->opal_fifo_head.data.item = &fifo->opal_fifo_ghost;
36 
37     fifo->opal_fifo_tail.data.counter = 0;
38     fifo->opal_fifo_tail.data.item = &fifo->opal_fifo_ghost;
39 }
40 
41 OBJ_CLASS_INSTANCE(opal_fifo_t, opal_object_t, opal_fifo_construct, NULL);
42