94 lines
4.7 KiB
C
94 lines
4.7 KiB
C
/***************************************************************************
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* Copyright (c) 2024 Microsoft Corporation
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*
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* This program and the accompanying materials are made available under the
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* terms of the MIT License which is available at
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* https://opensource.org/licenses/MIT.
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*
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* SPDX-License-Identifier: MIT
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**************************************************************************/
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/**************************************************************************/
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/**************************************************************************/
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/** */
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/** ThreadX Component */
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/** */
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/** Thread */
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/** */
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/**************************************************************************/
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/**************************************************************************/
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#define TX_SOURCE_CODE
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/* Include necessary system files. */
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#include "tx_api.h"
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#include "tx_thread.h"
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/**************************************************************************/
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/* */
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/* FUNCTION RELEASE */
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/* */
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/* _txe_thread_relinquish PORTABLE C */
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/* 6.1 */
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/* AUTHOR */
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/* */
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/* William E. Lamie, Microsoft Corporation */
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/* */
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/* DESCRIPTION */
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/* */
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/* This function checks to make sure a thread is executing before the */
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/* relinquish is executed. */
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/* */
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/* INPUT */
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/* */
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/* None */
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/* */
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/* OUTPUT */
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/* */
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/* None */
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/* */
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/* CALLS */
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/* */
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/* _tx_thread_relinquish Actual thread relinquish call */
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/* */
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/* CALLED BY */
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/* */
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/* Application Code */
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/* */
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/* RELEASE HISTORY */
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/* */
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/* DATE NAME DESCRIPTION */
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/* */
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/* 05-19-2020 William E. Lamie Initial Version 6.0 */
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/* 09-30-2020 Yuxin Zhou Modified comment(s), */
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/* resulting in version 6.1 */
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/* */
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/**************************************************************************/
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VOID _txe_thread_relinquish(VOID)
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{
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TX_THREAD *current_thread;
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/* Pickup thread pointer. */
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TX_THREAD_GET_CURRENT(current_thread)
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/* Make sure a thread is executing. */
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if (current_thread != TX_NULL)
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{
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/* Now make sure the call is not from an ISR or Initialization. */
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if (TX_THREAD_GET_SYSTEM_STATE() == ((ULONG) 0))
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{
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/* Okay to call the real relinquish function. */
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_tx_thread_relinquish();
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}
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}
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}
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