118 lines
3.7 KiB
C
118 lines
3.7 KiB
C
/****************************************************************************
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* sched/tls/tls.h
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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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#ifndef __SCHED_TLS_TLS_H
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#define __SCHED_TLS_TLS_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/sched.h>
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#include <nuttx/tls.h>
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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/****************************************************************************
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* Name: up_tls_size
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*
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* Description:
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* Get TLS (sizeof(struct tls_info_s) + tdata + tbss) section size.
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*
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* Returned Value:
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* Size of (sizeof(struct tls_info_s) + tdata + tbss).
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*
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****************************************************************************/
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#ifdef CONFIG_SCHED_THREAD_LOCAL
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# define tls_info_size() up_tls_size()
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#else
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# define tls_info_size() sizeof(struct tls_info_s)
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#endif
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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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* Name: task_uninit_info
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*
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* Description:
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* Uninitilize and free 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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* None.
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*
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****************************************************************************/
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void task_uninit_info(FAR struct task_group_s *group);
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/****************************************************************************
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* Name: tls_init_info
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*
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* Description:
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* Allocate and initialize tls_info_s structure.
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*
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* Input Parameters:
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* - tcb: The TCB 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 tls_init_info(FAR struct tcb_s *tcb);
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/****************************************************************************
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* Name: tls_dup_info
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*
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* Description:
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* Allocate and duplicate tls_info_s structure.
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*
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* Input Parameters:
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* - dst: The TCB of new task
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* - src: The TCB of source 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 tls_dup_info(FAR struct tcb_s *dst, FAR struct tcb_s *src);
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#endif /* __SCHED_TLS_TLS_H */
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