47faeeb360
so task_tls_destruct can be called from usrspace, which is required by: https://github.com/apache/nuttx/pull/10288 Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
77 lines
2.4 KiB
C
77 lines
2.4 KiB
C
/****************************************************************************
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* libs/libc/tls/tls_destruct.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 <assert.h>
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#include <nuttx/tls.h>
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#if defined(CONFIG_TLS_NELEM) && CONFIG_TLS_NELEM > 0
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: tls_destruct
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*
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* Description:
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* Destruct all TLS data element associated with allocated key
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*
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* Input Parameters:
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* None
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*
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* Returned Value:
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* A set of allocated TLS index
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*
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****************************************************************************/
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void tls_destruct(void)
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{
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FAR struct task_info_s *info = task_get_info();
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FAR struct tls_info_s *tls = tls_get_info();
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FAR void *tls_elem_ptr = NULL;
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tls_dtor_t destructor;
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int candidate;
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DEBUGASSERT(info != NULL);
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for (candidate = CONFIG_TLS_NELEM - 1; candidate >= 0; candidate--)
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{
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/* Is this candidate index available? */
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tls_elem_ptr = (FAR void *)tls->tl_elem[candidate];
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destructor = info->ta_tlsdtor[candidate];
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if (tls_elem_ptr && destructor)
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{
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destructor(tls_elem_ptr);
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}
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tls->tl_elem[candidate] = 0;
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}
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}
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#endif /* CONFIG_TLS_NELEM > 0 */
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