147 lines
6.3 KiB
C
147 lines
6.3 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 */
|
|
/** */
|
|
/** Semaphore */
|
|
/** */
|
|
/**************************************************************************/
|
|
/**************************************************************************/
|
|
|
|
|
|
/**************************************************************************/
|
|
/* */
|
|
/* COMPONENT DEFINITION RELEASE */
|
|
/* */
|
|
/* tx_semaphore.h PORTABLE C */
|
|
/* 6.1 */
|
|
/* AUTHOR */
|
|
/* */
|
|
/* William E. Lamie, Microsoft Corporation */
|
|
/* */
|
|
/* DESCRIPTION */
|
|
/* */
|
|
/* This file defines the ThreadX semaphore 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_SEMAPHORE_H
|
|
#define TX_SEMAPHORE_H
|
|
|
|
|
|
/* Define semaphore control specific data definitions. */
|
|
|
|
#define TX_SEMAPHORE_ID ((ULONG) 0x53454D41)
|
|
|
|
|
|
/* Determine if in-line component initialization is supported by the
|
|
caller. */
|
|
#ifdef TX_INVOKE_INLINE_INITIALIZATION
|
|
/* Yes, in-line initialization is supported, remap the
|
|
semaphore initialization function. */
|
|
#ifndef TX_SEMAPHORE_ENABLE_PERFORMANCE_INFO
|
|
#define _tx_semaphore_initialize() \
|
|
_tx_semaphore_created_ptr = TX_NULL; \
|
|
_tx_semaphore_created_count = TX_EMPTY
|
|
#else
|
|
#define _tx_semaphore_initialize() \
|
|
_tx_semaphore_created_ptr = TX_NULL; \
|
|
_tx_semaphore_created_count = TX_EMPTY; \
|
|
_tx_semaphore_performance_put_count = ((ULONG) 0); \
|
|
_tx_semaphore_performance_get_count = ((ULONG) 0); \
|
|
_tx_semaphore_performance_suspension_count = ((ULONG) 0); \
|
|
_tx_semaphore_performance_timeout_count = ((ULONG) 0)
|
|
#endif
|
|
#define TX_SEMAPHORE_INIT
|
|
#else
|
|
/* No in-line initialization is supported, use standard
|
|
function call. */
|
|
VOID _tx_semaphore_initialize(VOID);
|
|
#endif
|
|
|
|
|
|
/* Define internal semaphore management function prototypes. */
|
|
|
|
VOID _tx_semaphore_cleanup(TX_THREAD *thread_ptr, ULONG suspension_sequence);
|
|
|
|
|
|
/* Semaphore 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_SEMAPHORE_INIT
|
|
#define SEMAPHORE_DECLARE
|
|
#else
|
|
#define SEMAPHORE_DECLARE extern
|
|
#endif
|
|
|
|
|
|
/* Define the head pointer of the created semaphore list. */
|
|
|
|
SEMAPHORE_DECLARE TX_SEMAPHORE * _tx_semaphore_created_ptr;
|
|
|
|
|
|
/* Define the variable that holds the number of created semaphores. */
|
|
|
|
SEMAPHORE_DECLARE ULONG _tx_semaphore_created_count;
|
|
|
|
|
|
#ifdef TX_SEMAPHORE_ENABLE_PERFORMANCE_INFO
|
|
|
|
/* Define the total number of semaphore puts. */
|
|
|
|
SEMAPHORE_DECLARE ULONG _tx_semaphore_performance_put_count;
|
|
|
|
|
|
/* Define the total number of semaphore gets. */
|
|
|
|
SEMAPHORE_DECLARE ULONG _tx_semaphore_performance_get_count;
|
|
|
|
|
|
/* Define the total number of semaphore suspensions. */
|
|
|
|
SEMAPHORE_DECLARE ULONG _tx_semaphore_performance_suspension_count;
|
|
|
|
|
|
/* Define the total number of semaphore timeouts. */
|
|
|
|
SEMAPHORE_DECLARE ULONG _tx_semaphore_performance_timeout_count;
|
|
|
|
|
|
#endif
|
|
|
|
|
|
/* Define default post semaphore delete macro to whitespace, if it hasn't been defined previously (typically in tx_port.h). */
|
|
|
|
#ifndef TX_SEMAPHORE_DELETE_PORT_COMPLETION
|
|
#define TX_SEMAPHORE_DELETE_PORT_COMPLETION(s)
|
|
#endif
|
|
|
|
|
|
#endif
|
|
|