163 lines
6.7 KiB
C
163 lines
6.7 KiB
C
/**************************************************************************/
|
|
/* */
|
|
/* 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 */
|
|
/** */
|
|
/** Mutex */
|
|
/** */
|
|
/**************************************************************************/
|
|
/**************************************************************************/
|
|
|
|
|
|
/**************************************************************************/
|
|
/* */
|
|
/* COMPONENT DEFINITION RELEASE */
|
|
/* */
|
|
/* tx_mutex.h PORTABLE C */
|
|
/* 6.1 */
|
|
/* AUTHOR */
|
|
/* */
|
|
/* William E. Lamie, Microsoft Corporation */
|
|
/* */
|
|
/* DESCRIPTION */
|
|
/* */
|
|
/* This file defines the ThreadX mutex management component, */
|
|
/* including all data types and external references. It is assumed */
|
|
/* that tx_api.h and tx_port.h have already been included. */
|
|
/* */
|
|
/* 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 */
|
|
/* */
|
|
/**************************************************************************/
|
|
|
|
#ifndef TX_MUTEX_H
|
|
#define TX_MUTEX_H
|
|
|
|
|
|
/* Define mutex control specific data definitions. */
|
|
|
|
#define TX_MUTEX_ID ((ULONG) 0x4D555445)
|
|
|
|
|
|
/* Determine if in-line component initialization is supported by the
|
|
caller. */
|
|
|
|
#ifdef TX_INVOKE_INLINE_INITIALIZATION
|
|
|
|
/* Yes, in-line initialization is supported, remap the mutex initialization
|
|
function. */
|
|
|
|
#ifndef TX_MUTEX_ENABLE_PERFORMANCE_INFO
|
|
#define _tx_mutex_initialize() \
|
|
_tx_mutex_created_ptr = TX_NULL; \
|
|
_tx_mutex_created_count = TX_EMPTY
|
|
#else
|
|
#define _tx_mutex_initialize() \
|
|
_tx_mutex_created_ptr = TX_NULL; \
|
|
_tx_mutex_created_count = TX_EMPTY; \
|
|
_tx_mutex_performance_put_count = ((ULONG) 0); \
|
|
_tx_mutex_performance_get_count = ((ULONG) 0); \
|
|
_tx_mutex_performance_suspension_count = ((ULONG) 0); \
|
|
_tx_mutex_performance_timeout_count = ((ULONG) 0); \
|
|
_tx_mutex_performance_priority_inversion_count = ((ULONG) 0); \
|
|
_tx_mutex_performance__priority_inheritance_count = ((ULONG) 0)
|
|
#endif
|
|
#define TX_MUTEX_INIT
|
|
#else
|
|
|
|
/* No in-line initialization is supported, use standard function call. */
|
|
VOID _tx_mutex_initialize(VOID);
|
|
#endif
|
|
|
|
|
|
/* Define internal mutex management function prototypes. */
|
|
|
|
VOID _tx_mutex_cleanup(TX_THREAD *thread_ptr, ULONG suspension_sequence);
|
|
VOID _tx_mutex_thread_release(TX_THREAD *thread_ptr);
|
|
VOID _tx_mutex_priority_change(TX_THREAD *thread_ptr, UINT new_priority);
|
|
|
|
|
|
/* Mutex management component data declarations follow. */
|
|
|
|
/* Determine if the initialization function of this component is including
|
|
this file. If so, make the data definitions really happen. Otherwise,
|
|
make them extern so other functions in the component can access them. */
|
|
|
|
#ifdef TX_MUTEX_INIT
|
|
#define MUTEX_DECLARE
|
|
#else
|
|
#define MUTEX_DECLARE extern
|
|
#endif
|
|
|
|
|
|
/* Define the head pointer of the created mutex list. */
|
|
|
|
MUTEX_DECLARE TX_MUTEX * _tx_mutex_created_ptr;
|
|
|
|
|
|
/* Define the variable that holds the number of created mutexes. */
|
|
|
|
MUTEX_DECLARE ULONG _tx_mutex_created_count;
|
|
|
|
|
|
#ifdef TX_MUTEX_ENABLE_PERFORMANCE_INFO
|
|
|
|
/* Define the total number of mutex puts. */
|
|
|
|
MUTEX_DECLARE ULONG _tx_mutex_performance_put_count;
|
|
|
|
|
|
/* Define the total number of mutex gets. */
|
|
|
|
MUTEX_DECLARE ULONG _tx_mutex_performance_get_count;
|
|
|
|
|
|
/* Define the total number of mutex suspensions. */
|
|
|
|
MUTEX_DECLARE ULONG _tx_mutex_performance_suspension_count;
|
|
|
|
|
|
/* Define the total number of mutex timeouts. */
|
|
|
|
MUTEX_DECLARE ULONG _tx_mutex_performance_timeout_count;
|
|
|
|
|
|
/* Define the total number of priority inversions. */
|
|
|
|
MUTEX_DECLARE ULONG _tx_mutex_performance_priority_inversion_count;
|
|
|
|
|
|
/* Define the total number of priority inheritance conditions. */
|
|
|
|
MUTEX_DECLARE ULONG _tx_mutex_performance__priority_inheritance_count;
|
|
|
|
|
|
#endif
|
|
|
|
|
|
/* Define default post mutex delete macro to whitespace, if it hasn't been defined previously (typically in tx_port.h). */
|
|
|
|
#ifndef TX_MUTEX_DELETE_PORT_COMPLETION
|
|
#define TX_MUTEX_DELETE_PORT_COMPLETION(m)
|
|
#endif
|
|
|
|
|
|
#endif
|