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https://github.com/apache/nuttx.git
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hujun5
5f92db54a6
Replace DEBUGASSERT checks with proper NULL pointer validation in getpid() and task_get_info() functions. Return IDLE_PROCESS_ID or -ESRCH on NULL conditions instead of asserting, improving robustness during early system startup and error conditions. Signed-off-by: hujun5 <hujun5@xiaomi.com>
59 lines
2.0 KiB
C
59 lines
2.0 KiB
C
/****************************************************************************
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* libs/libc/sched/task_getpid.c
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*
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* SPDX-License-Identifier: Apache-2.0
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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/types.h>
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#include <unistd.h>
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#include <nuttx/sched.h>
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#include <nuttx/tls.h>
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: getpid
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*
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* Description:
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* Get the process ID of the currently executing thread.
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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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* On success, returns the thread ID of the calling process.
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*
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****************************************************************************/
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pid_t getpid(void)
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{
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FAR struct task_info_s *info = task_get_info();
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return info ? info->ta_pid : IDLE_PROCESS_ID;
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}
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