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 /**                                                                       */
15 /** ThreadX Component                                                     */
16 /**                                                                       */
17 /**   Thread                                                              */
18 /**                                                                       */
19 /**************************************************************************/
20 /**************************************************************************/
21 
22 #define TX_SOURCE_CODE
23 
24 
25 /* Include necessary system files.  */
26 
27 #include "tx_api.h"
28 #include "tx_trace.h"
29 #include "tx_thread.h"
30 
31 
32 /**************************************************************************/
33 /*                                                                        */
34 /*  FUNCTION                                               RELEASE        */
35 /*                                                                        */
36 /*    _tx_thread_info_get                                 PORTABLE C      */
37 /*                                                           6.1          */
38 /*  AUTHOR                                                                */
39 /*                                                                        */
40 /*    William E. Lamie, Microsoft Corporation                             */
41 /*                                                                        */
42 /*  DESCRIPTION                                                           */
43 /*                                                                        */
44 /*    This function retrieves information from the specified thread.      */
45 /*                                                                        */
46 /*  INPUT                                                                 */
47 /*                                                                        */
48 /*    thread_ptr                        Pointer to thread control block   */
49 /*    name                              Destination for the thread name   */
50 /*    state                             Destination for thread state      */
51 /*    run_count                         Destination for thread run count  */
52 /*    priority                          Destination for thread priority   */
53 /*    preemption_threshold              Destination for thread preemption-*/
54 /*                                        threshold                       */
55 /*    time_slice                        Destination for thread time-slice */
56 /*    next_thread                       Destination for next created      */
57 /*                                        thread                          */
58 /*    next_suspended_thread             Destination for next suspended    */
59 /*                                        thread                          */
60 /*                                                                        */
61 /*  OUTPUT                                                                */
62 /*                                                                        */
63 /*    status                            Completion status                 */
64 /*                                                                        */
65 /*  CALLS                                                                 */
66 /*                                                                        */
67 /*    None                                                                */
68 /*                                                                        */
69 /*  CALLED BY                                                             */
70 /*                                                                        */
71 /*    Application Code                                                    */
72 /*                                                                        */
73 /*  RELEASE HISTORY                                                       */
74 /*                                                                        */
75 /*    DATE              NAME                      DESCRIPTION             */
76 /*                                                                        */
77 /*  05-19-2020     William E. Lamie         Initial Version 6.0           */
78 /*  09-30-2020     Yuxin Zhou               Modified comment(s),          */
79 /*                                            resulting in version 6.1    */
80 /*                                                                        */
81 /**************************************************************************/
_tx_thread_info_get(TX_THREAD * thread_ptr,CHAR ** name,UINT * state,ULONG * run_count,UINT * priority,UINT * preemption_threshold,ULONG * time_slice,TX_THREAD ** next_thread,TX_THREAD ** next_suspended_thread)82 UINT  _tx_thread_info_get(TX_THREAD *thread_ptr, CHAR **name, UINT *state, ULONG *run_count,
83                 UINT *priority, UINT *preemption_threshold, ULONG *time_slice,
84                 TX_THREAD **next_thread, TX_THREAD **next_suspended_thread)
85 {
86 
87 TX_INTERRUPT_SAVE_AREA
88 
89 
90     /* Disable interrupts.  */
91     TX_DISABLE
92 
93     /* If trace is enabled, insert this event into the trace buffer.  */
94     TX_TRACE_IN_LINE_INSERT(TX_TRACE_THREAD_INFO_GET, thread_ptr, thread_ptr -> tx_thread_state, 0, 0, TX_TRACE_THREAD_EVENTS)
95 
96     /* Log this kernel call.  */
97     TX_EL_THREAD_INFO_GET_INSERT
98 
99     /* Retrieve all the pertinent information and return it in the supplied
100        destinations.  */
101 
102     /* Retrieve the name of the thread.  */
103     if (name != TX_NULL)
104     {
105 
106         *name =  thread_ptr -> tx_thread_name;
107     }
108 
109     /* Pickup the thread's current state.  */
110     if (state != TX_NULL)
111     {
112 
113         *state =  thread_ptr -> tx_thread_state;
114     }
115 
116     /* Pickup the number of times the thread has been scheduled.  */
117     if (run_count != TX_NULL)
118     {
119 
120         *run_count =  thread_ptr -> tx_thread_run_count;
121     }
122 
123     /* Pickup the thread's priority.  */
124     if (priority != TX_NULL)
125     {
126 
127         *priority =  thread_ptr -> tx_thread_user_priority;
128     }
129 
130     /* Pickup the thread's preemption-threshold.  */
131     if (preemption_threshold != TX_NULL)
132     {
133 
134         *preemption_threshold =  thread_ptr -> tx_thread_user_preempt_threshold;
135     }
136 
137     /* Pickup the thread's current time-slice.  */
138     if (time_slice != TX_NULL)
139     {
140 
141         *time_slice =  thread_ptr -> tx_thread_time_slice;
142     }
143 
144     /* Pickup the next created thread.  */
145     if (next_thread != TX_NULL)
146     {
147 
148         *next_thread =  thread_ptr -> tx_thread_created_next;
149     }
150 
151     /* Pickup the next thread suspended.  */
152     if (next_suspended_thread != TX_NULL)
153     {
154 
155         *next_suspended_thread =  thread_ptr -> tx_thread_suspended_next;
156     }
157 
158     /* Restore interrupts.  */
159     TX_RESTORE
160 
161     /* Return completion status.  */
162     return(TX_SUCCESS);
163 }
164 
165