36b74bab02
https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_rwlockattr_getpshared.html Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
69 lines
2.3 KiB
C
69 lines
2.3 KiB
C
/********************************************************************************
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* libs/libc/pthread/pthread_rwlockattr_getpshared.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 <pthread.h>
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#include <errno.h>
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#include <debug.h>
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/********************************************************************************
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* Public Functions
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********************************************************************************/
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/********************************************************************************
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* Name: pthread_rwlockattr_getpshared
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*
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* Description:
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* The pthread_rwlockattr_getpshared() function will obtain the value of the
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* process-shared attribute from the attributes object referenced by attr.
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*
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* Input Parameters:
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* attr - rwlock attributes to be queried.
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* pshared - the location to stored the current value of the pshared attribute.
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*
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* Returned Value:
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* 0 (OK) on success or EINVAL if either attr or pshared is invalid.
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*
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* Assumptions:
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*
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********************************************************************************/
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int pthread_rwlockattr_getpshared(FAR const pthread_rwlockattr_t *attr,
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FAR int *pshared)
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{
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int ret = OK;
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if (!attr || !pshared)
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{
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ret = EINVAL;
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}
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else
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{
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*pshared = attr->pshared;
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}
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return ret;
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}
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