4ee5ff81dd
follow the spec: https://man7.org/linux/man-pages/man3/pthread_setname_np.3.html Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
61 lines
2.1 KiB
C
61 lines
2.1 KiB
C
/****************************************************************************
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* libs/libc/pthread/pthread_getname_np.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 <sys/prctl.h>
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#include <errno.h>
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#include <pthread.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_getname_np
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*
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* Description:
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* Get the name of a thread
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*
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* Parameters:
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* thread - The thread whose name is to be retrieved
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* name - The buffer to return the thread name
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* len - The number of bytes available in name
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*
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* Returned Value:
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* On success, these functions return 0;
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* on error, they return a nonzero error number.
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*
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****************************************************************************/
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int pthread_getname_np(pthread_t thread, FAR char *name, size_t len)
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{
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if (len <= CONFIG_TASK_NAME_SIZE)
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{
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return ERANGE;
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}
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return prctl(PR_GET_NAME_EXT, name, (int)thread) < 0 ? get_errno() : 0;
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}
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