204 lines
8.2 KiB
C
204 lines
8.2 KiB
C
/**************************************************************************/
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/* */
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/* Copyright (c) Microsoft Corporation. All rights reserved. */
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/* */
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/* This software is licensed under the Microsoft Software License */
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/* Terms for Microsoft Azure RTOS. Full text of the license can be */
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/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
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/* and in the root directory of this software. */
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/* */
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/**************************************************************************/
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/**************************************************************************/
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/**************************************************************************/
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/** */
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/** ThreadX Component */
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/** */
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/** Semaphore */
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/** */
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/**************************************************************************/
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/**************************************************************************/
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#define TX_SOURCE_CODE
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/* Include necessary system files. */
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#include "tx_api.h"
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#include "tx_semaphore.h"
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#ifdef TX_SEMAPHORE_ENABLE_PERFORMANCE_INFO
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#include "tx_trace.h"
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#endif
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/**************************************************************************/
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/* */
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/* FUNCTION RELEASE */
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/* */
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/* _tx_semaphore_performance_info_get PORTABLE C */
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/* 6.1 */
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/* AUTHOR */
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/* */
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/* William E. Lamie, Microsoft Corporation */
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/* */
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/* DESCRIPTION */
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/* */
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/* This function retrieves performance information from the specified */
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/* semaphore. */
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/* */
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/* INPUT */
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/* */
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/* semaphore_ptr Pointer to semaphore control block*/
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/* puts Destination for the number of */
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/* puts on to this semaphore */
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/* gets Destination for the number of */
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/* gets on this semaphore */
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/* suspensions Destination for the number of */
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/* suspensions on this semaphore */
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/* timeouts Destination for number of timeouts*/
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/* on this semaphore */
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/* */
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/* OUTPUT */
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/* */
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/* status Completion status */
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/* */
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/* CALLS */
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/* */
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/* None */
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/* */
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/* CALLED BY */
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/* */
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/* Application Code */
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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 William E. Lamie Initial Version 6.0 */
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/* 09-30-2020 Yuxin Zhou Modified comment(s), */
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/* resulting in version 6.1 */
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/* */
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/**************************************************************************/
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UINT _tx_semaphore_performance_info_get(TX_SEMAPHORE *semaphore_ptr, ULONG *puts, ULONG *gets,
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ULONG *suspensions, ULONG *timeouts)
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{
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#ifdef TX_SEMAPHORE_ENABLE_PERFORMANCE_INFO
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TX_INTERRUPT_SAVE_AREA
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UINT status;
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/* Determine if this is a legal request. */
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if (semaphore_ptr == TX_NULL)
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{
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/* Semaphore pointer is illegal, return error. */
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status = TX_PTR_ERROR;
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}
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/* Determine if the semaphore ID is invalid. */
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else if (semaphore_ptr -> tx_semaphore_id != TX_SEMAPHORE_ID)
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{
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/* Semaphore pointer is illegal, return error. */
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status = TX_PTR_ERROR;
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}
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else
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{
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/* Disable interrupts. */
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TX_DISABLE
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/* If trace is enabled, insert this event into the trace buffer. */
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TX_TRACE_IN_LINE_INSERT(TX_TRACE_SEMAPHORE_PERFORMANCE_INFO_GET, semaphore_ptr, 0, 0, 0, TX_TRACE_SEMAPHORE_EVENTS)
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/* Log this kernel call. */
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TX_EL_SEMAPHORE_PERFORMANCE_INFO_GET_INSERT
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/* Retrieve all the pertinent information and return it in the supplied
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destinations. */
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/* Retrieve the number of puts on this semaphore. */
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if (puts != TX_NULL)
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{
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*puts = semaphore_ptr -> tx_semaphore_performance_put_count;
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}
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/* Retrieve the number of gets on this semaphore. */
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if (gets != TX_NULL)
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{
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*gets = semaphore_ptr -> tx_semaphore_performance_get_count;
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}
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/* Retrieve the number of suspensions on this semaphore. */
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if (suspensions != TX_NULL)
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{
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*suspensions = semaphore_ptr -> tx_semaphore_performance_suspension_count;
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}
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/* Retrieve the number of timeouts on this semaphore. */
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if (timeouts != TX_NULL)
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{
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*timeouts = semaphore_ptr -> tx_semaphore_performance_timeout_count;
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}
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/* Restore interrupts. */
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TX_RESTORE
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/* Return successful completion. */
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status = TX_SUCCESS;
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}
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#else
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UINT status;
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/* Access input arguments just for the sake of lint, MISRA, etc. */
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if (semaphore_ptr != TX_NULL)
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{
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/* Not enabled, return error. */
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status = TX_FEATURE_NOT_ENABLED;
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}
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else if (puts != TX_NULL)
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{
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/* Not enabled, return error. */
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status = TX_FEATURE_NOT_ENABLED;
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}
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else if (gets != TX_NULL)
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{
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/* Not enabled, return error. */
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status = TX_FEATURE_NOT_ENABLED;
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}
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else if (suspensions != TX_NULL)
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{
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/* Not enabled, return error. */
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status = TX_FEATURE_NOT_ENABLED;
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}
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else if (timeouts != TX_NULL)
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{
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/* Not enabled, return error. */
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status = TX_FEATURE_NOT_ENABLED;
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}
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else
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{
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/* Not enabled, return error. */
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status = TX_FEATURE_NOT_ENABLED;
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}
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#endif
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/* Return completion status. */
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return(status);
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}
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