incubator-nuttx/libs/libc/pthread/pthread_attr_setschedparam.c

81 lines
2.6 KiB
C

/****************************************************************************
* libs/libc/pthread/pthread_attr_setschedparam.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 <pthread.h>
#include <string.h>
#include <sched.h>
#include <debug.h>
#include <errno.h>
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: pthread_attr_setschedparam
*
* Description:
*
* Input Parameters:
* attr
* param
*
* Returned Value:
* 0 if successful. Otherwise, an error code.
*
* Assumptions:
*
****************************************************************************/
int pthread_attr_setschedparam(FAR pthread_attr_t *attr,
FAR const struct sched_param *param)
{
int ret;
linfo("attr=0x%p param=0x%p\n", attr, param);
if (!attr || !param)
{
ret = EINVAL;
}
else
{
attr->priority = (short)param->sched_priority;
#ifdef CONFIG_SCHED_SPORADIC
attr->low_priority = (uint8_t)param->sched_ss_low_priority;
attr->max_repl = (uint8_t)param->sched_ss_max_repl;
attr->repl_period.tv_sec = param->sched_ss_repl_period.tv_sec;
attr->repl_period.tv_nsec = param->sched_ss_repl_period.tv_nsec;
attr->budget.tv_sec = param->sched_ss_init_budget.tv_sec;
attr->budget.tv_nsec = param->sched_ss_init_budget.tv_nsec;
#endif
ret = OK;
}
linfo("Returning %d\n", ret);
return ret;
}