90 lines
2.6 KiB
C
90 lines
2.6 KiB
C
/****************************************************************************
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* sched/pthread/pthread_release.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 <sched.h>
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#include <assert.h>
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#include <debug.h>
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#include <nuttx/kmalloc.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: pthread_release
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*
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* Description:
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* Release pthread resources from the task group with the group
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* terminated.
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*
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* Input Parameters:
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* group = The task group containing the pthread resources to be
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* released.
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*
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* Returned Value:
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* None
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*
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* Assumptions:
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*
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* POSIX Compatibility:
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*
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****************************************************************************/
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void pthread_release(FAR struct task_group_s *group)
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{
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FAR struct join_s *join;
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DEBUGASSERT(group);
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/* Visit and delete each join structure still in the list. Since we
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* are last exiting thread of the group, no special protection should
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* be required.
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*/
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while (group->tg_joinhead)
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{
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/* Remove the join from the head of the list. */
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join = group->tg_joinhead;
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group->tg_joinhead = join->next;
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/* Destroy the join semaphores */
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nxsem_destroy(&join->data_sem);
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nxsem_destroy(&join->exit_sem);
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/* And deallocate the join structure */
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kmm_free(join);
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}
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/* Destroy the join list semaphore */
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nxsem_destroy(&group->tg_joinsem);
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}
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