incubator-nuttx/libs/libc/spawn/lib_psa_getschedparam.c

68 lines
2.7 KiB
C

/****************************************************************************
* libs/libc/string/lib_psa_getschedparam.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 <sched.h>
#include <spawn.h>
#include <assert.h>
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: posix_spawnattr_getschedparam
*
* Description:
* The posix_spawnattr_getschedparam() function will obtain the value of
* the spawn-schedparam attribute from the attributes object referenced
* by attr.
*
* Input Parameters:
* attr - The address spawn attributes to be queried.
* param - The location to return the spawn-schedparam value.
*
* Returned Value:
* On success, these functions return 0; on failure they return an error
* number from <errno.h>.
*
****************************************************************************/
int posix_spawnattr_getschedparam(FAR const posix_spawnattr_t *attr,
FAR struct sched_param *param)
{
DEBUGASSERT(attr && param);
param->sched_priority = attr->priority;
#ifdef CONFIG_SCHED_SPORADIC
param->sched_ss_low_priority = (int)attr->low_priority;
param->sched_ss_max_repl = (int)attr->max_repl;
param->sched_ss_repl_period.tv_sec = attr->repl_period.tv_sec;
param->sched_ss_repl_period.tv_nsec = attr->repl_period.tv_nsec;
param->sched_ss_init_budget.tv_sec = attr->budget.tv_sec;
param->sched_ss_init_budget.tv_nsec = attr->budget.tv_nsec;
#endif
return OK;
}