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2020-05-11 08:55:07 -06:00
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common/src/tx_byte_pool_info_get.c Normal file
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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 */
/** */
/** Byte Memory */
/** */
/**************************************************************************/
/**************************************************************************/
#define TX_SOURCE_CODE
/* Include necessary system files. */
#include "tx_api.h"
#include "tx_trace.h"
#include "tx_byte_pool.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_byte_pool_info_get PORTABLE C */
/* 6.0 */
/* AUTHOR */
/* */
/* William E. Lamie, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function retrieves information from the specified byte pool. */
/* */
/* INPUT */
/* */
/* pool_ptr Pointer to byte pool control block*/
/* name Destination for the pool name */
/* available_bytes Number of free bytes in byte pool */
/* fragments Number of fragments in byte pool */
/* first_suspended Destination for pointer of first */
/* thread suspended on byte pool */
/* suspended_count Destination for suspended count */
/* next_pool Destination for pointer to next */
/* byte pool on the created list */
/* */
/* OUTPUT */
/* */
/* status Completion status */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 05-19-2020 William E. Lamie Initial Version 6.0 */
/* */
/**************************************************************************/
UINT _tx_byte_pool_info_get(TX_BYTE_POOL *pool_ptr, CHAR **name, ULONG *available_bytes,
ULONG *fragments, TX_THREAD **first_suspended,
ULONG *suspended_count, TX_BYTE_POOL **next_pool)
{
TX_INTERRUPT_SAVE_AREA
/* Disable interrupts. */
TX_DISABLE
/* If trace is enabled, insert this event into the trace buffer. */
TX_TRACE_IN_LINE_INSERT(TX_TRACE_BYTE_POOL_INFO_GET, pool_ptr, 0, 0, 0, TX_TRACE_BYTE_POOL_EVENTS)
/* Log this kernel call. */
TX_EL_BYTE_POOL_INFO_GET_INSERT
/* Retrieve all the pertinent information and return it in the supplied
destinations. */
/* Retrieve the name of the byte pool. */
if (name != TX_NULL)
{
*name = pool_ptr -> tx_byte_pool_name;
}
/* Retrieve the number of available bytes in the byte pool. */
if (available_bytes != TX_NULL)
{
*available_bytes = pool_ptr -> tx_byte_pool_available;
}
/* Retrieve the total number of bytes in the byte pool. */
if (fragments != TX_NULL)
{
*fragments = (ULONG) pool_ptr -> tx_byte_pool_fragments;
}
/* Retrieve the first thread suspended on this byte pool. */
if (first_suspended != TX_NULL)
{
*first_suspended = pool_ptr -> tx_byte_pool_suspension_list;
}
/* Retrieve the number of threads suspended on this byte pool. */
if (suspended_count != TX_NULL)
{
*suspended_count = (ULONG) pool_ptr -> tx_byte_pool_suspended_count;
}
/* Retrieve the pointer to the next byte pool created. */
if (next_pool != TX_NULL)
{
*next_pool = pool_ptr -> tx_byte_pool_created_next;
}
/* Restore interrupts. */
TX_RESTORE
/* Return completion status. */
return(TX_SUCCESS);
}