incubator-nuttx/sched/tls/task_initinfo.c

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/****************************************************************************
* sched/tls/task_initinfo.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you 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.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <errno.h>
#include <nuttx/kmalloc.h>
#include <nuttx/semaphore.h>
#include "tls.h"
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: task_init_info
*
* Description:
* Allocate and initilize task_info_s structure.
*
* Input Parameters:
* - group: The group of new task
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
int task_init_info(FAR struct task_group_s *group)
{
FAR struct task_info_s *info;
/* Allocate task info for group */
info = group_zalloc(group, sizeof(struct task_info_s));
if (info == NULL)
{
return -ENOMEM;
}
/* Initialize user space semaphore */
nxsem_init(&info->ta_sem, 0, 1);
group->tg_info = info;
return OK;
}