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/*************************************************************************** |
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* Copyright (c) 2024 Microsoft Corporation |
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* Copyright (c) 2026-present Eclipse ThreadX contributors |
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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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/** USBX Component */ |
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/** */ |
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/** Utility */ |
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/** */ |
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/**************************************************************************/ |
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/**************************************************************************/ |
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/* Include necessary system files. */ |
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#define UX_SOURCE_CODE |
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#include "ux_api.h" |
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#if !defined(UX_STANDALONE) |
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/**************************************************************************/ |
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/* */ |
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/* FUNCTION RELEASE */ |
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/* */ |
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/* _ux_utility_thread_schedule_other PORTABLE C */ |
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/* 6.1.11 */ |
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/* AUTHOR */ |
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/* */ |
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/* Chaoqiong Xiao, Microsoft Corporation */ |
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/* */ |
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/* DESCRIPTION */ |
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/* */ |
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/* This function force the scheduling of all other threads. */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* caller_priority Priority to restore. */ |
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/* */ |
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/* OUTPUT */ |
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/* */ |
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/* Completion Status */ |
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/* */ |
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/* CALLS */ |
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/* */ |
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/* tx_thread_identify ThreadX identify */ |
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/* tx_thread_priority_change ThreadX priority change */ |
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/* tx_thread_relinquish ThreadX relinquish */ |
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/* */ |
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/* CALLED BY */ |
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/* */ |
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/* USBX Components */ |
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/* */ |
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/**************************************************************************/ |
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UINT _ux_utility_thread_schedule_other(UINT caller_priority) |
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{ |
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UINT status; |
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UINT old_priority; |
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UX_THREAD *my_thread; |
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UX_PARAMETER_NOT_USED(caller_priority); |
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/* Call TX to know my own tread. */ |
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my_thread = tx_thread_identify(); |
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/* Call ThreadX to change thread priority . */ |
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status = tx_thread_priority_change(my_thread, _ux_system -> ux_system_thread_lowest_priority, &old_priority); |
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/* Check for error. */ |
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✓✓ |
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if (status == TX_SUCCESS) |
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{ |
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/* Wait until all other threads passed into the scheduler. */ |
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_ux_utility_thread_relinquish(); |
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/* And now return the priority of the thread to normal. */ |
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status = tx_thread_priority_change(my_thread, old_priority, &old_priority); |
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} |
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/* Return completion status. */ |
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return(status); |
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} |
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#endif |