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开启 ThreadX

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chauyin
2025-05-07 22:53:45 +08:00
parent 7f9bede0c7
commit aa43e21103
194 changed files with 42018 additions and 91 deletions
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103
Middlewares/ST/threadx/common/src/txe_mutex_prioritize.c Normal file
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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Mutex */
/** */
/**************************************************************************/
/**************************************************************************/
#define TX_SOURCE_CODE
/* Include necessary system files. */
#include "tx_api.h"
#include "tx_mutex.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_mutex_prioritize PORTABLE C */
/* 6.1 */
/* AUTHOR */
/* */
/* William E. Lamie, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function checks for errors in the mutex prioritize call. */
/* */
/* INPUT */
/* */
/* mutex_ptr Pointer to mutex control block */
/* */
/* OUTPUT */
/* */
/* status Completion status */
/* */
/* CALLS */
/* */
/* _tx_mutex_prioritize Actual mutex prioritize */
/* function */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 05-19-2020 William E. Lamie Initial Version 6.0 */
/* 09-30-2020 Yuxin Zhou Modified comment(s), */
/* resulting in version 6.1 */
/* */
/**************************************************************************/
UINT _txe_mutex_prioritize(TX_MUTEX *mutex_ptr)
{
UINT status;
/* Check for an invalid mutex pointer. */
if (mutex_ptr == TX_NULL)
{
/* Mutex pointer is invalid, return appropriate error code. */
status = TX_MUTEX_ERROR;
}
/* Now check for invalid mutex ID. */
else if (mutex_ptr -> tx_mutex_id != TX_MUTEX_ID)
{
/* Mutex pointer is invalid, return appropriate error code. */
status = TX_MUTEX_ERROR;
}
else
{
/* Call actual mutex prioritize function. */
status = _tx_mutex_prioritize(mutex_ptr);
}
/* Return completion status. */
return(status);
}