2016-03-11 02:31:22 +01:00
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/****************************************************************************
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2020-05-08 15:23:26 +02:00
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* libs/libc/tls/tls_setvalue.c
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2016-03-11 02:31:22 +01:00
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*
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2020-05-05 17:52:15 +02:00
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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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2016-03-11 02:31:22 +01:00
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*
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2020-05-05 17:52:15 +02:00
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* http://www.apache.org/licenses/LICENSE-2.0
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2016-03-11 02:31:22 +01:00
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*
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2020-05-05 17:52:15 +02:00
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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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2016-03-11 02:31:22 +01:00
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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 <assert.h>
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2021-11-29 04:00:27 +01:00
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#include <errno.h>
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2016-03-11 02:31:22 +01:00
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#include <nuttx/arch.h>
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#include <nuttx/tls.h>
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2020-05-07 17:46:47 +02:00
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#if CONFIG_TLS_NELEM > 0
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2016-03-11 02:31:22 +01:00
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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2020-05-08 15:23:26 +02:00
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* Name: tls_set_value
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2016-03-11 02:31:22 +01:00
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*
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* Description:
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2020-05-08 15:23:26 +02:00
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* Set the TLS element associated with the 'tlsindex' to 'tlsvalue'
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2016-03-11 02:31:22 +01:00
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*
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* Input Parameters:
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2020-05-08 15:23:26 +02:00
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* tlsindex - Index of TLS data element to set
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* tlsvalue - The new value of the TLS data element
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2016-03-11 02:31:22 +01:00
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*
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* Returned Value:
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2020-05-08 15:23:26 +02:00
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* Zero is returned on success, a negated errno value is return on
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* failure:
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*
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* EINVAL - tlsindex is not in range.
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2016-03-11 02:31:22 +01:00
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*
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****************************************************************************/
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2020-05-08 15:23:26 +02:00
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int tls_set_value(int tlsindex, uintptr_t tlsvalue)
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2016-03-11 02:31:22 +01:00
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{
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FAR struct tls_info_s *info;
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2020-05-08 15:23:26 +02:00
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DEBUGASSERT(tlsindex >= 0 && tlsindex < CONFIG_TLS_NELEM);
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if (tlsindex >= 0 && tlsindex < CONFIG_TLS_NELEM)
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2016-03-11 02:31:22 +01:00
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{
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/* Get the TLS info structure from the current threads stack */
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info = up_tls_info();
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DEBUGASSERT(info != NULL);
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/* Set the element value int the TLS info. */
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2020-05-08 15:23:26 +02:00
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info->tl_elem[tlsindex] = tlsvalue;
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return OK;
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2016-03-11 02:31:22 +01:00
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}
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2020-05-08 15:23:26 +02:00
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return -EINVAL;
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2016-03-11 02:31:22 +01:00
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}
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2020-05-07 17:46:47 +02:00
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#endif /* CONFIG_TLS_NELEM > 0 */
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2021-07-20 12:59:09 +02:00
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#if CONFIG_TLS_TASK_NELEM > 0
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/****************************************************************************
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* Name: task_tls_set_value
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*
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* Description:
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* Set the task local storage element associated with the 'tlsindex' to
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* 'tlsvalue'
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*
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* Input Parameters:
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* tlsindex - Index of task local storage data element to set
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* tlsvalue - The new value of the task local storage data element
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*
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* Returned Value:
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* Zero is returned on success, a negated errno value is return on
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* failure:
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*
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* EINVAL - tlsindex is not in range.
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*
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****************************************************************************/
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int task_tls_set_value(int tlsindex, uintptr_t tlsvalue)
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{
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FAR struct task_info_s *info = task_get_info();
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if (tlsindex >= 0 && tlsindex < CONFIG_TLS_TASK_NELEM)
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{
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info->ta_telem[tlsindex] = tlsvalue;
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}
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else
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{
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return -ERANGE;
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}
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return OK;
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}
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#endif
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