threads.c

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/* -*- C -*- */
/*
 * Copyright (c) 2014-2020 Seagate Technology LLC and/or its Affiliates
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * For any questions about this software or licensing,
 * please email opensource@seagate.com or cortx-questions@seagate.com.
 *
 */


#include "ut/threads.h"

#include "lib/memory.h" /* M0_ALLOC_ARR */
#include "lib/thread.h" /* m0_thread */

M0_INTERNAL void m0_ut_threads_start(struct m0_ut_threads_descr *descr,
                                     int                         thread_nr,
                                     void                       *param_array,
                                     size_t                      param_size)
{
        int rc;
        int i;

        M0_PRE(descr->utd_thread_nr == 0);
        descr->utd_thread_nr = thread_nr;

        M0_ALLOC_ARR(descr->utd_thread, descr->utd_thread_nr);
        M0_ASSERT(descr->utd_thread != NULL);

        for (i = 0; i < thread_nr; ++i) {
                rc = M0_THREAD_INIT(&descr->utd_thread[i],
                                    void *, NULL,
                                    descr->utd_thread_func,
                                    param_array + i * param_size,
                                    "ut_thread%d", i);
                M0_ASSERT(rc == 0);
        }
}

M0_INTERNAL void m0_ut_threads_stop(struct m0_ut_threads_descr *descr)
{
        int rc;
        int i;

        M0_PRE(descr->utd_thread_nr > 0);

        for (i = 0; i < descr->utd_thread_nr; ++i) {
                rc = m0_thread_join(&descr->utd_thread[i]);
                M0_ASSERT(rc == 0);
                m0_thread_fini(&descr->utd_thread[i]);
        }
        m0_free(descr->utd_thread);

        descr->utd_thread    = NULL;
        descr->utd_thread_nr = 0;
}


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/*
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