631a8da1e2
this behaviour is explicitly specified here: https://pubs.opengroup.org/onlinepubs/009695399/functions/xsh_chap02_08.html and map SCHED_NORMAL to SCHED_OTHER like Linux: https://man7.org/linux/man-pages/man7/sched.7.html Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
81 lines
2.3 KiB
C
81 lines
2.3 KiB
C
/****************************************************************************
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* libs/libc/pthread/pthread_attr_setschedpolicy.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 <string.h>
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#include <sched.h>
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#include <debug.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_attr_setschedpolicy
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*
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* Description:
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* Set the scheduling algorithm attribute.
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*
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* Input Parameters:
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* attr
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* policy
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*
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* Returned Value:
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* 0 if successful. Otherwise, an error code.
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*
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* Assumptions:
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*
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****************************************************************************/
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int pthread_attr_setschedpolicy(FAR pthread_attr_t *attr, int policy)
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{
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int ret;
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linfo("attr=%p policy=%d\n", attr, policy);
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if (!attr || (policy != SCHED_OTHER
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&& policy != SCHED_FIFO
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#if CONFIG_RR_INTERVAL > 0
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&& policy != SCHED_RR
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#endif
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#ifdef CONFIG_SCHED_SPORADIC
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&& policy != SCHED_SPORADIC
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#endif
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))
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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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attr->policy = policy;
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ret = OK;
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}
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linfo("Returning %d\n", ret);
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return ret;
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}
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