blob: 98460cd691561a43461413ae78249c5167ed3ee8 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
|
/***************************************************************************
* Copyright (c) 2024 Microsoft Corporation
* Copyright (c) 2026-present Eclipse ThreadX contributors
*
* This program and the accompanying materials are made available under the
* terms of the MIT License which is available at
* https://opensource.org/licenses/MIT.
*
* SPDX-License-Identifier: MIT
**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** 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
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_mutex_initialize PORTABLE C */
/* 6.1 */
/* 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 */
/* */
/**************************************************************************/
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
}
#endif
|
