1 /**************************************************************************/
2 /* */
3 /* Copyright (c) Microsoft Corporation. All rights reserved. */
4 /* */
5 /* This software is licensed under the Microsoft Software License */
6 /* Terms for Microsoft Azure RTOS. Full text of the license can be */
7 /* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
8 /* and in the root directory of this software. */
9 /* */
10 /**************************************************************************/
11
12
13 /**************************************************************************/
14 /**************************************************************************/
15 /** */
16 /** ThreadX Component */
17 /** */
18 /** Semaphore */
19 /** */
20 /**************************************************************************/
21 /**************************************************************************/
22
23 #define TX_SOURCE_CODE
24
25
26 /* Include necessary system files. */
27
28 #include "tx_api.h"
29 #include "tx_semaphore.h"
30 #ifdef TX_SEMAPHORE_ENABLE_PERFORMANCE_INFO
31 #include "tx_trace.h"
32 #endif
33
34
35 /**************************************************************************/
36 /* */
37 /* FUNCTION RELEASE */
38 /* */
39 /* _tx_semaphore_performance_info_get PORTABLE C */
40 /* 6.1 */
41 /* AUTHOR */
42 /* */
43 /* William E. Lamie, Microsoft Corporation */
44 /* */
45 /* DESCRIPTION */
46 /* */
47 /* This function retrieves performance information from the specified */
48 /* semaphore. */
49 /* */
50 /* INPUT */
51 /* */
52 /* semaphore_ptr Pointer to semaphore control block*/
53 /* puts Destination for the number of */
54 /* puts on to this semaphore */
55 /* gets Destination for the number of */
56 /* gets on this semaphore */
57 /* suspensions Destination for the number of */
58 /* suspensions on this semaphore */
59 /* timeouts Destination for number of timeouts*/
60 /* on this semaphore */
61 /* */
62 /* OUTPUT */
63 /* */
64 /* status Completion status */
65 /* */
66 /* CALLS */
67 /* */
68 /* None */
69 /* */
70 /* CALLED BY */
71 /* */
72 /* Application Code */
73 /* */
74 /* RELEASE HISTORY */
75 /* */
76 /* DATE NAME DESCRIPTION */
77 /* */
78 /* 05-19-2020 William E. Lamie Initial Version 6.0 */
79 /* 09-30-2020 Yuxin Zhou Modified comment(s), */
80 /* resulting in version 6.1 */
81 /* */
82 /**************************************************************************/
_tx_semaphore_performance_info_get(TX_SEMAPHORE * semaphore_ptr,ULONG * puts,ULONG * gets,ULONG * suspensions,ULONG * timeouts)83 UINT _tx_semaphore_performance_info_get(TX_SEMAPHORE *semaphore_ptr, ULONG *puts, ULONG *gets,
84 ULONG *suspensions, ULONG *timeouts)
85 {
86
87 #ifdef TX_SEMAPHORE_ENABLE_PERFORMANCE_INFO
88
89 TX_INTERRUPT_SAVE_AREA
90 UINT status;
91
92
93 /* Determine if this is a legal request. */
94 if (semaphore_ptr == TX_NULL)
95 {
96
97 /* Semaphore pointer is illegal, return error. */
98 status = TX_PTR_ERROR;
99 }
100
101 /* Determine if the semaphore ID is invalid. */
102 else if (semaphore_ptr -> tx_semaphore_id != TX_SEMAPHORE_ID)
103 {
104
105 /* Semaphore pointer is illegal, return error. */
106 status = TX_PTR_ERROR;
107 }
108 else
109 {
110
111 /* Disable interrupts. */
112 TX_DISABLE
113
114 /* If trace is enabled, insert this event into the trace buffer. */
115 TX_TRACE_IN_LINE_INSERT(TX_TRACE_SEMAPHORE_PERFORMANCE_INFO_GET, semaphore_ptr, 0, 0, 0, TX_TRACE_SEMAPHORE_EVENTS)
116
117 /* Log this kernel call. */
118 TX_EL_SEMAPHORE_PERFORMANCE_INFO_GET_INSERT
119
120 /* Retrieve all the pertinent information and return it in the supplied
121 destinations. */
122
123 /* Retrieve the number of puts on this semaphore. */
124 if (puts != TX_NULL)
125 {
126
127 *puts = semaphore_ptr -> tx_semaphore_performance_put_count;
128 }
129
130 /* Retrieve the number of gets on this semaphore. */
131 if (gets != TX_NULL)
132 {
133
134 *gets = semaphore_ptr -> tx_semaphore_performance_get_count;
135 }
136
137 /* Retrieve the number of suspensions on this semaphore. */
138 if (suspensions != TX_NULL)
139 {
140
141 *suspensions = semaphore_ptr -> tx_semaphore_performance_suspension_count;
142 }
143
144 /* Retrieve the number of timeouts on this semaphore. */
145 if (timeouts != TX_NULL)
146 {
147
148 *timeouts = semaphore_ptr -> tx_semaphore_performance_timeout_count;
149 }
150
151 /* Restore interrupts. */
152 TX_RESTORE
153
154 /* Return successful completion. */
155 status = TX_SUCCESS;
156 }
157 #else
158 UINT status;
159
160
161 /* Access input arguments just for the sake of lint, MISRA, etc. */
162 if (semaphore_ptr != TX_NULL)
163 {
164
165 /* Not enabled, return error. */
166 status = TX_FEATURE_NOT_ENABLED;
167 }
168 else if (puts != TX_NULL)
169 {
170
171 /* Not enabled, return error. */
172 status = TX_FEATURE_NOT_ENABLED;
173 }
174 else if (gets != TX_NULL)
175 {
176
177 /* Not enabled, return error. */
178 status = TX_FEATURE_NOT_ENABLED;
179 }
180 else if (suspensions != TX_NULL)
181 {
182
183 /* Not enabled, return error. */
184 status = TX_FEATURE_NOT_ENABLED;
185 }
186 else if (timeouts != TX_NULL)
187 {
188
189 /* Not enabled, return error. */
190 status = TX_FEATURE_NOT_ENABLED;
191 }
192 else
193 {
194
195 /* Not enabled, return error. */
196 status = TX_FEATURE_NOT_ENABLED;
197 }
198 #endif
199
200 /* Return completion status. */
201 return(status);
202 }
203
204
