9d7f349664
1. add the pthread_atfork implementation 2. the pthread_atfork implementation are referred to https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_atfork.html Signed-off-by: guoshichao <guoshichao@xiaomi.com>
80 lines
2.3 KiB
C
80 lines
2.3 KiB
C
/****************************************************************************
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* sched/tls/task_initinfo.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 <errno.h>
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#include <nuttx/kmalloc.h>
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#include <nuttx/mutex.h>
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#include <nuttx/lib/lib.h>
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#include "tls.h"
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: task_init_info
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*
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* Description:
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* Allocate and initialize task_info_s structure.
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*
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* Input Parameters:
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* - group: The group of new task
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*
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* Returned Value:
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* Zero (OK) on success; a negated errno value on failure.
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*
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****************************************************************************/
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int task_init_info(FAR struct task_group_s *group)
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{
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FAR struct task_info_s *info;
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/* Allocate task info for group */
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info = group_zalloc(group, sizeof(struct task_info_s));
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if (info == NULL)
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{
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return -ENOMEM;
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}
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/* Initialize user space mutex */
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nxmutex_init(&info->ta_lock);
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group->tg_info = info;
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#ifdef CONFIG_PTHREAD_ATFORK
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list_initialize(&info->ta_atfork);
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#endif
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#ifdef CONFIG_FILE_STREAM
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/* Initialize file streams for the task group */
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lib_stream_initialize(group);
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#endif
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return OK;
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}
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