File: opal_thread.c

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/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
 * Copyright (c) 2010      Cisco Systems, Inc.  All rights reserved.
 * Copyright (c) 2014      The University of Tennessee and The University
 *                         of Tennessee Research Foundation.  All rights
 *                         reserved.
 * Copyright (c) 2018      Los Alamos National Security, LLC. All rights
 *                         reserved.
 * $COPYRIGHT$
 */

#include "opal_config.h"

#include <stdio.h>

#include "support.h"
#include "opal/constants.h"
#include "opal/mca/threads/threads.h"
#include "opal/sys/atomic.h"


/* Only have the body of this test if we have thread support */

static opal_atomic_int_t count = 0;


static void* thr1_run(opal_object_t* obj)
{
    opal_atomic_add (&count, 1);
    return NULL;
}

static void* thr2_run(opal_object_t* obj)
{
    opal_atomic_add (&count, 2);
    return NULL;
}

int main(int argc, char** argv)
{
    int rc;
    opal_thread_t thr1;
    opal_thread_t thr2;

    test_init("opal_thread_t");

    OBJ_CONSTRUCT(&thr1, opal_thread_t);
    OBJ_CONSTRUCT(&thr2, opal_thread_t);

    thr1.t_run = thr1_run;
    thr2.t_run = thr2_run;

    rc = opal_thread_start(&thr1);
    test_verify_int(OPAL_SUCCESS, rc);

    rc = opal_thread_start(&thr2);
    test_verify_int(OPAL_SUCCESS, rc);

    rc = opal_thread_join(&thr1, NULL);
    test_verify_int(OPAL_SUCCESS, rc);

    rc = opal_thread_join(&thr2, NULL);
    test_verify_int(OPAL_SUCCESS, rc);

    test_verify_int(3, count);
    return test_finalize();
}