Bartosz Podrygajlo
654cffe39f
Implement run-to-completion for processSlotTX. This is achieved by using a new dynamic_barrier_t which allows to specify callback after the first join has been made.
76 lines
2.6 KiB
C
76 lines
2.6 KiB
C
/*
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* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The OpenAirInterface Software Alliance licenses this file to You under
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* the OAI Public License, Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.openairinterface.org/?page_id=698
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*-------------------------------------------------------------------------------
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* For more information about the OpenAirInterface (OAI) Software Alliance:
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* contact@openairinterface.org
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*/
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#include "barrier.h"
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#include "assertions.h"
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void dynamic_barrier_init(dynamic_barrier_t* barrier)
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{
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int ret = pthread_mutex_init(&barrier->barrier_lock, NULL);
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AssertFatal(ret == 0, "Mutex error %d", ret);
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barrier->callback = NULL;
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barrier->callback_arg = NULL;
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barrier->completed_jobs = 0;
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}
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void dynamic_barrier_reset(dynamic_barrier_t* barrier)
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{
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barrier->callback = NULL;
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if (barrier->callback_arg != NULL) {
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free(barrier->callback_arg);
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}
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barrier->callback_arg = NULL;
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barrier->completed_jobs = 0;
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}
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void dynamic_barrier_join(dynamic_barrier_t* barrier)
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{
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int ret = pthread_mutex_lock(&barrier->barrier_lock);
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AssertFatal(ret == 0, "Mutex error %d", ret);
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barrier->completed_jobs++;
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if (barrier->callback) {
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if (barrier->completed_jobs == barrier->max_joins) {
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barrier->completed_jobs = 0;
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barrier->callback(barrier->callback_arg);
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barrier->callback = NULL;
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barrier->callback_arg = NULL;
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}
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}
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ret = pthread_mutex_unlock(&barrier->barrier_lock);
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AssertFatal(ret == 0, "Mutex error %d", ret);
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}
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void dynamic_barrier_update(dynamic_barrier_t* barrier, int max_joins, callback_t callback, void* arg)
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{
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int ret = pthread_mutex_lock(&barrier->barrier_lock);
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AssertFatal(ret == 0, "Mutex error %d", ret);
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if (barrier->completed_jobs == max_joins) {
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barrier->completed_jobs = 0;
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callback(arg);
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} else {
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barrier->max_joins = max_joins;
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barrier->callback = callback;
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barrier->callback_arg = arg;
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}
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ret = pthread_mutex_unlock(&barrier->barrier_lock);
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AssertFatal(ret == 0, "Mutex error %d", ret);
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}
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