72 lines
2.3 KiB
C
72 lines
2.3 KiB
C
/****************************************************************************
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* sched/pthread/pthread_findjoininfo.c
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*
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* Licensed to the Apache Software Foundation (ASF) 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. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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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, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <sys/types.h>
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#include <assert.h>
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#include "group/group.h"
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#include "pthread/pthread.h"
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: thread_findjoininfo
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*
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* Description:
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* Find a join structure in a local data set.
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*
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* Input Parameters:
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* group - The group that the pid is (or was) a member of
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* pid - The ID of the pthread
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*
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* Returned Value:
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* None or pointer to the found entry.
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*
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* Assumptions:
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* The caller has provided protection from re-entrancy.
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*
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****************************************************************************/
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FAR struct join_s *pthread_findjoininfo(FAR struct task_group_s *group,
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pid_t pid)
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{
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FAR struct join_s *pjoin;
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DEBUGASSERT(group);
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/* Find the entry with the matching pid */
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for (pjoin = group->tg_joinhead;
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(pjoin && (pid_t)pjoin->thread != pid);
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pjoin = pjoin->next);
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/* and return it */
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return pjoin;
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}
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