/*************************************************************************** * Copyright (c) 2024 Microsoft Corporation * Copyright (c) 2026-present Eclipse ThreadX contributors * * 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 **************************************************************************/ /**************************************************************************/ /**************************************************************************/ /** */ /** USBX Component */ /** */ /** Utility */ /** */ /**************************************************************************/ /**************************************************************************/ /* Include necessary system files. */ #define UX_SOURCE_CODE #include "ux_api.h" #if !defined(UX_STANDALONE) /**************************************************************************/ /* */ /* FUNCTION RELEASE */ /* */ /* _ux_utility_mutex_on PORTABLE C */ /* 6.1.11 */ /* AUTHOR */ /* */ /* Chaoqiong Xiao, Microsoft Corporation */ /* */ /* DESCRIPTION */ /* */ /* This function gets system protection. */ /* */ /* INPUT */ /* */ /* Mutex */ /* */ /* OUTPUT */ /* */ /* None */ /* */ /* CALLS */ /* */ /* tx_mutex_get ThreadX mutex get */ /* */ /* CALLED BY */ /* */ /* USBX Components */ /* */ /**************************************************************************/ VOID _ux_utility_mutex_on(UX_MUTEX *mutex) { UINT status; /* Call ThreadX to get system mutex. */ status = tx_mutex_get(mutex, TX_WAIT_FOREVER); /* Check for status. */ if (status != UX_SUCCESS) { /* Error trap. */ _ux_system_error_handler(UX_SYSTEM_LEVEL_THREAD, UX_SYSTEM_CONTEXT_UTILITY, status); } /* Return to caller. */ return; } #endif