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/*************************************************************************** |
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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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/** 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_mutex_create 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 creates a protection mutex. */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* mutex Pointer to mutex */ |
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/* mutex_name Name of mutex */ |
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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_mutex_create ThreadX mutex create */ |
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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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/* RELEASE HISTORY */ |
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/* */ |
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/* DATE NAME DESCRIPTION */ |
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/* */ |
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/* 05-19-2020 Chaoqiong Xiao Initial Version 6.0 */ |
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/* 09-30-2020 Chaoqiong Xiao Modified comment(s), */ |
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/* used UX prefix to refer to */ |
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/* TX symbols instead of using */ |
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/* them directly, */ |
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/* resulting in version 6.1 */ |
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/* 04-25-2022 Chaoqiong Xiao Modified comment(s), */ |
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/* off in standalone build, */ |
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/* resulting in version 6.1.11 */ |
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/* */ |
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/**************************************************************************/ |
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UINT _ux_utility_mutex_create(UX_MUTEX *mutex, CHAR *mutex_name) |
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{ |
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UINT status; |
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/* Call ThreadX to create the Mutex object. */ |
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status = tx_mutex_create(mutex, (CHAR *) mutex_name, TX_NO_INHERIT); |
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/* Check for status. */ |
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✓✓ |
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if (status != UX_SUCCESS) |
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{ |
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/* Error trap. */ |
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_ux_system_error_handler(UX_SYSTEM_LEVEL_THREAD, UX_SYSTEM_CONTEXT_UTILITY, status); |
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/* If trace is enabled, insert this event into the trace buffer. */ |
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UX_TRACE_IN_LINE_INSERT(UX_TRACE_ERROR, UX_MUTEX_ERROR, mutex, 0, 0, UX_TRACE_ERRORS, 0, 0) |
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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 |