1 /***************************************************************************
2 * Copyright (c) 2024 Microsoft Corporation
3 *
4 * This program and the accompanying materials are made available under the
5 * terms of the MIT License which is available at
6 * https://opensource.org/licenses/MIT.
7 *
8 * SPDX-License-Identifier: MIT
9 **************************************************************************/
10
11 /**************************************************************************/
12 /**************************************************************************/
13 /** */
14 /** Thread-Metric Component */
15 /** */
16 /** Synchronization Processing Test */
17 /** */
18 /**************************************************************************/
19 /**************************************************************************/
20
21 /**************************************************************************/
22 /* */
23 /* FUNCTION RELEASE */
24 /* */
25 /* tm_synchronization_processing_test PORTABLE C */
26 /* 6.1.7 */
27 /* AUTHOR */
28 /* */
29 /* William E. Lamie, Microsoft Corporation */
30 /* */
31 /* DESCRIPTION */
32 /* */
33 /* This file defines the Semaphore get/put processing test. */
34 /* */
35 /* RELEASE HISTORY */
36 /* */
37 /* DATE NAME DESCRIPTION */
38 /* */
39 /* 10-15-2021 William E. Lamie Initial Version 6.1.7 */
40 /* */
41 /**************************************************************************/
42 #include "tm_api.h"
43
44 /* Define the counters used in the demo application... */
45
46 unsigned long tm_synchronization_processing_counter;
47
48 /* Define the test thread prototypes. */
49
50 void tm_synchronization_processing_thread_0_entry(void *p1, void *p2, void *p3);
51
52 /* Define the reporting function prototype. */
53
54 void tm_synchronization_processing_thread_report(void);
55
56 /* Define the initialization prototype. */
57
58 void tm_synchronization_processing_initialize(void);
59
60 /* Define main entry point. */
61
main(void)62 int main(void)
63 {
64
65 /* Initialize the test. */
66 tm_initialize(tm_synchronization_processing_initialize);
67
68 return 0;
69 }
70
71 /* Define the synchronization processing test initialization. */
72
tm_synchronization_processing_initialize(void)73 void tm_synchronization_processing_initialize(void)
74 {
75
76 /* Create thread 0 at priority 10. */
77 tm_thread_create(0, 10, tm_synchronization_processing_thread_0_entry);
78
79 /* Resume thread 0. */
80 tm_thread_resume(0);
81
82 /* Create a semaphore for the test. */
83 tm_semaphore_create(0);
84
85 tm_synchronization_processing_thread_report();
86 }
87
88 /* Define the synchronization processing thread. */
tm_synchronization_processing_thread_0_entry(void * p1,void * p2,void * p3)89 void tm_synchronization_processing_thread_0_entry(void *p1, void *p2, void *p3)
90 {
91
92 int status;
93
94 while (1) {
95
96 /* Get the semaphore. */
97 tm_semaphore_get(0);
98
99 /* Release the semaphore. */
100 status = tm_semaphore_put(0);
101
102 /* Check for semaphore put error. */
103 if (status != TM_SUCCESS) {
104 break;
105 }
106
107 /* Increment the number of semaphore get/puts. */
108 tm_synchronization_processing_counter++;
109 }
110 }
111
112 /* Define the synchronization test reporting function. */
tm_synchronization_processing_thread_report(void)113 void tm_synchronization_processing_thread_report(void)
114 {
115
116 unsigned long last_counter;
117 unsigned long relative_time;
118
119 /* Initialize the last counter. */
120 last_counter = 0;
121
122 /* Initialize the relative time. */
123 relative_time = 0;
124
125 while (1) {
126
127 /* Sleep to allow the test to run. */
128 tm_thread_sleep(TM_TEST_DURATION);
129
130 /* Increment the relative time. */
131 relative_time = relative_time + TM_TEST_DURATION;
132
133 /* Print results to the stdio window. */
134 printf("**** Thread-Metric Synchronization Processing Test **** Relative Time: "
135 "%lu\n",
136 relative_time);
137
138 /* See if there are any errors. */
139 if (tm_synchronization_processing_counter == last_counter) {
140
141 printf("ERROR: Invalid counter value(s). Error getting/putting "
142 "semaphore!\n");
143 }
144
145 /* Show the time period total. */
146 printf("Time Period Total: %lu\n\n",
147 tm_synchronization_processing_counter - last_counter);
148
149 /* Save the last counter. */
150 last_counter = tm_synchronization_processing_counter;
151 }
152 }
153