common/core/src/ux_utility_event_flags_create.c


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/***************************************************************************
 * 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_event_flags_create                      PORTABLE C      */
/*                                                           6.1.11       */
/*  AUTHOR                                                                */
/*                                                                        */
/*    Chaoqiong Xiao, Microsoft Corporation                               */
/*                                                                        */
/*  DESCRIPTION                                                           */
/*                                                                        */
/*    This function creates a threadx group of flags                      */
/*                                                                        */
/*  INPUT                                                                 */
/*                                                                        */
/*    group_ptr                             Event flag control group      */
/*    name                                  Pointer to thread name string */
/*                                                                        */
/*  OUTPUT                                                                */
/*                                                                        */
/*    Completion Status                                                   */
/*                                                                        */
/*  CALLS                                                                 */
/*                                                                        */
/*    tx_event_flags_create                 ThreadX create event flag     */
/*                                                                        */
/*  CALLED BY                                                             */
/*                                                                        */
/*    USBX Components                                                     */
/*                                                                        */
/**************************************************************************/
UINT  _ux_utility_event_flags_create(UX_EVENT_FLAGS_GROUP*group_ptr, CHAR *name)
{

UINT    status;

    /* Call ThreadX to create the event flags.  */
    status =  tx_event_flags_create(group_ptr, name);

    /* Check for status.  */
    if (status != UX_SUCCESS)
    {

        /* Error trap. */
        _ux_system_error_handler(UX_SYSTEM_LEVEL_THREAD, UX_SYSTEM_CONTEXT_UTILITY, UX_EVENT_ERROR);

        /* If trace is enabled, insert this event into the trace buffer.  */
        UX_TRACE_IN_LINE_INSERT(UX_TRACE_ERROR, UX_EVENT_ERROR, group_ptr, 0, 0, UX_TRACE_ERRORS, 0, 0)

    }
    /* Return completion status.  */
    return(status);
}
#endif