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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Event Flags */
/** */
/**************************************************************************/
/**************************************************************************/
#define TX_SOURCE_CODE
/* Include necessary system files. */
#include "tx_api.h"
#include "tx_event_flags.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _txe_event_flags_info_get PORTABLE C */
/* 6.1 */
/* AUTHOR */
/* */
/* William E. Lamie, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function checks for errors in the event flag information get */
/* service. */
/* */
/* INPUT */
/* */
/* group_ptr Pointer to event flag group */
/* name Destination for the event flags */
/* group name */
/* current_flags Current event flags */
/* first_suspended Destination for pointer of first */
/* thread suspended on event flags */
/* suspended_count Destination for suspended count */
/* next_group Destination for pointer to next */
/* event flag group on the created */
/* list */
/* */
/* OUTPUT */
/* */
/* TX_GROUP_ERROR Invalid event flag group pointer */
/* status Completion status */
/* */
/* CALLS */
/* */
/* _tx_event_flags_info_get Actual event flags group info */
/* get service */
/* */
/* 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 */
/* */
/**************************************************************************/
UINT _txe_event_flags_info_get(TX_EVENT_FLAGS_GROUP *group_ptr, CHAR **name, ULONG *current_flags,
TX_THREAD **first_suspended, ULONG *suspended_count,
TX_EVENT_FLAGS_GROUP **next_group)
{
UINT status;
/* Check for an invalid event flag group pointer. */
if (group_ptr == TX_NULL)
{
/* Event flags group pointer is invalid, return appropriate error code. */
status = TX_GROUP_ERROR;
}
/* Now check for invalid event flag group ID. */
else if (group_ptr -> tx_event_flags_group_id != TX_EVENT_FLAGS_ID)
{
/* Event flags group pointer is invalid, return appropriate error code. */
status = TX_GROUP_ERROR;
}
else
{
/* Otherwise, call the actual event flags group information get service. */
status = _tx_event_flags_info_get(group_ptr, name, current_flags, first_suspended,
suspended_count, next_group);
}
/* Return completion status. */
return(status);
}