/*************************************************************************** * Copyright (c) 2024 Microsoft Corporation * * This program and the accompanying materials are made available under the * terms of the MIT License which is available at * https://opensource.org/licenses/MIT. * * SPDX-License-Identifier: MIT **************************************************************************/ /**************************************************************************/ /**************************************************************************/ /** */ /** ThreadX Component */ /** */ /** Thread */ /** */ /**************************************************************************/ /**************************************************************************/ #define TX_SOURCE_CODE /* Include necessary system files. */ #include "tx_api.h" #include "tx_thread.h" /**************************************************************************/ /* */ /* FUNCTION RELEASE */ /* */ /* _txe_thread_relinquish PORTABLE C */ /* 6.1 */ /* AUTHOR */ /* */ /* William E. Lamie, Microsoft Corporation */ /* */ /* DESCRIPTION */ /* */ /* This function checks to make sure a thread is executing before the */ /* relinquish is executed. */ /* */ /* INPUT */ /* */ /* None */ /* */ /* OUTPUT */ /* */ /* None */ /* */ /* CALLS */ /* */ /* _tx_thread_relinquish Actual thread relinquish call */ /* */ /* 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 */ /* */ /**************************************************************************/ VOID _txe_thread_relinquish(VOID) { TX_THREAD *current_thread; /* Pickup thread pointer. */ TX_THREAD_GET_CURRENT(current_thread) /* Make sure a thread is executing. */ if (current_thread != TX_NULL) { /* Now make sure the call is not from an ISR or Initialization. */ if (TX_THREAD_GET_SYSTEM_STATE() == ((ULONG) 0)) { /* Okay to call the real relinquish function. */ _tx_thread_relinquish(); } } }