3240540952
pthread_mutex_setprioceiling and pthread_mutex_getprioceiling refers https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_mutex_setprioceiling.html Signed-off-by: makejian <makejian@xiaomi.com>
65 lines
2.3 KiB
C
65 lines
2.3 KiB
C
/****************************************************************************
|
|
* libs/libc/pthread/pthread_mutex_getprioceiling.c
|
|
*
|
|
* Licensed to the Apache Software Foundation (ASF) under one or more
|
|
* contributor license agreements. See the NOTICE file distributed with
|
|
* this work for additional information regarding copyright ownership. The
|
|
* ASF licenses this file to you under the Apache License, Version 2.0 (the
|
|
* "License"); you may not use this file except in compliance with the
|
|
* License. You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
* License for the specific language governing permissions and limitations
|
|
* under the License.
|
|
*
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Included Files
|
|
****************************************************************************/
|
|
|
|
#include <nuttx/config.h>
|
|
#include <nuttx/mutex.h>
|
|
|
|
#include <pthread.h>
|
|
|
|
/****************************************************************************
|
|
* Public Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: pthread_mutex_getprioceiling
|
|
*
|
|
* Description:
|
|
* Return the mutex priority ceiling from the mutex.
|
|
*
|
|
* Input Parameters:
|
|
* mutex - The mutex to query
|
|
* prioceiling - Location to return the mutex priority ceiling
|
|
*
|
|
* Returned Value:
|
|
* 0, if the mutex type was successfully return in 'prioceiling', or
|
|
* EINVAL, if any NULL pointers provided.
|
|
*
|
|
* Assumptions:
|
|
*
|
|
****************************************************************************/
|
|
|
|
int pthread_mutex_getprioceiling(FAR const pthread_mutex_t *mutex,
|
|
FAR int *prioceiling)
|
|
{
|
|
#ifdef CONFIG_PRIORITY_PROTECT
|
|
# ifdef CONFIG_PTHREAD_MUTEX_TYPES
|
|
return -nxrmutex_getprioceiling(&mutex->mutex, prioceiling);
|
|
# else
|
|
return -nxmutex_getprioceiling(&mutex->mutex, prioceiling);
|
|
# endif
|
|
#else
|
|
return EINVAL;
|
|
#endif
|
|
}
|