f1ed349dd9
here is the reason: 1.clock_systime_timespec(core function) always exist regardless the setting 2.CLOCK_MONOTONIC is a foundamental clock type required by many places Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
64 lines
2.1 KiB
C
64 lines
2.1 KiB
C
/****************************************************************************
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* libs/libc/pthread/pthread_condattr_setclock.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_condattr_setclock
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*
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* Description:
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* set the clock selection condition variable attribute
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*
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* Input Parameters:
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* None
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*
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* Returned Value:
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* If successful, the pthread_condattr_setclock() function shall
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* return zero; otherwise, an error number shall be returned to
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* indicate the error.
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*
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****************************************************************************/
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int pthread_condattr_setclock(FAR pthread_condattr_t *attr,
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clockid_t clock_id)
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{
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if (!attr ||
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(clock_id != CLOCK_MONOTONIC &&
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clock_id != CLOCK_REALTIME))
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{
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return EINVAL;
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}
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attr->clockid = clock_id;
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return OK;
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}
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