83 lines
2.5 KiB
C
83 lines
2.5 KiB
C
/****************************************************************************
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* libs/libc/pthread/pthread_mutexattr_setrobust.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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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: pthread_mutexattr_setrobust
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*
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* Description:
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* Set the mutex robustness in the mutex attributes.
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*
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* Input Parameters:
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* attr - The mutex attributes in which to set the mutex type.
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* robust - The mutex type value to set.
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*
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* Returned Value:
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* 0, if the mutex robustness was successfully set in 'attr', or
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* EINVAL, if 'attr' is NULL or 'robust' unrecognized.
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*
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* Assumptions:
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*
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****************************************************************************/
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int pthread_mutexattr_setrobust(pthread_mutexattr_t *attr, int robust)
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{
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#if defined(CONFIG_PTHREAD_MUTEX_UNSAFE)
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if (attr != NULL && robust == PTHREAD_MUTEX_STALLED)
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{
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return OK;
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}
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return EINVAL;
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#elif defined(CONFIG_PTHREAD_MUTEX_BOTH)
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if (attr != NULL && (robust == PTHREAD_MUTEX_STALLED ||
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robust == PTHREAD_MUTEX_ROBUST))
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{
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attr->robust = robust;
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return OK;
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}
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return EINVAL;
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#else /* Default: CONFIG_PTHREAD_MUTEX_ROBUST */
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if (attr != NULL && robust == _PTHREAD_MFLAGS_ROBUST)
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{
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return OK;
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}
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return EINVAL;
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#endif
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}
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