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Diffstat (limited to 'common/src/tx_mutex_initialize.c')
| -rw-r--r-- | common/src/tx_mutex_initialize.c | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/common/src/tx_mutex_initialize.c b/common/src/tx_mutex_initialize.c new file mode 100644 index 00000000..3b546ee7 --- /dev/null +++ b/common/src/tx_mutex_initialize.c @@ -0,0 +1,141 @@ +/**************************************************************************/ +/* */ +/* 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 */ +/** */ +/**************************************************************************/ +/**************************************************************************/ + +#define TX_SOURCE_CODE + + +/* Include necessary system files. */ + +#include "tx_api.h" +#include "tx_mutex.h" + + +#ifndef TX_INLINE_INITIALIZATION + +/* Locate mutex component data in this file. */ + +/* Define the head pointer of the created mutex list. */ + +TX_MUTEX * _tx_mutex_created_ptr; + + +/* Define the variable that holds the number of created mutexes. */ + +ULONG _tx_mutex_created_count; + + +#ifdef TX_MUTEX_ENABLE_PERFORMANCE_INFO + +/* Define the total number of mutex puts. */ + +ULONG _tx_mutex_performance_put_count; + + +/* Define the total number of mutex gets. */ + +ULONG _tx_mutex_performance_get_count; + + +/* Define the total number of mutex suspensions. */ + +ULONG _tx_mutex_performance_suspension_count; + + +/* Define the total number of mutex timeouts. */ + +ULONG _tx_mutex_performance_timeout_count; + + +/* Define the total number of priority inversions. */ + +ULONG _tx_mutex_performance_priority_inversion_count; + + +/* Define the total number of priority inheritance conditions. */ + +ULONG _tx_mutex_performance__priority_inheritance_count; + +#endif +#endif + + +/**************************************************************************/ +/* */ +/* FUNCTION RELEASE */ +/* */ +/* _tx_mutex_initialize PORTABLE C */ +/* 6.0 */ +/* AUTHOR */ +/* */ +/* William E. Lamie, Microsoft Corporation */ +/* */ +/* DESCRIPTION */ +/* */ +/* This function initializes the various control data structures for */ +/* the mutex component. */ +/* */ +/* INPUT */ +/* */ +/* None */ +/* */ +/* OUTPUT */ +/* */ +/* None */ +/* */ +/* CALLS */ +/* */ +/* None */ +/* */ +/* CALLED BY */ +/* */ +/* _tx_initialize_high_level High level initialization */ +/* */ +/* RELEASE HISTORY */ +/* */ +/* DATE NAME DESCRIPTION */ +/* */ +/* 05-19-2020 William E. Lamie Initial Version 6.0 */ +/* */ +/**************************************************************************/ +VOID _tx_mutex_initialize(VOID) +{ + +#ifndef TX_DISABLE_REDUNDANT_CLEARING + + /* Initialize the head pointer of the created mutexes list and the + number of mutexes created. */ + _tx_mutex_created_ptr = TX_NULL; + _tx_mutex_created_count = TX_EMPTY; + +#ifdef TX_MUTEX_ENABLE_PERFORMANCE_INFO + + /* Initialize the mutex performance counters. */ + _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 +#endif +} + |