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 /**   Thread                                                              */
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_thread.h"
30 
31 
32 /**************************************************************************/
33 /*                                                                        */
34 /*  FUNCTION                                               RELEASE        */
35 /*                                                                        */
36 /*    _txe_thread_terminate                               PORTABLE C      */
37 /*                                                           6.1          */
38 /*  AUTHOR                                                                */
39 /*                                                                        */
40 /*    William E. Lamie, Microsoft Corporation                             */
41 /*                                                                        */
42 /*  DESCRIPTION                                                           */
43 /*                                                                        */
44 /*    This function checks for errors in the thread terminate function    */
45 /*    call.                                                               */
46 /*                                                                        */
47 /*  INPUT                                                                 */
48 /*                                                                        */
49 /*    thread_ptr                            Pointer to thread to suspend  */
50 /*                                                                        */
51 /*  OUTPUT                                                                */
52 /*                                                                        */
53 /*    TX_THREAD_ERROR                       Invalid thread pointer        */
54 /*    TX_CALLER_ERROR                       Invalid caller of function    */
55 /*    status                                Actual completion status      */
56 /*                                                                        */
57 /*  CALLS                                                                 */
58 /*                                                                        */
59 /*    _tx_thread_terminate                  Actual thread terminate       */
60 /*                                            function                    */
61 /*                                                                        */
62 /*  CALLED BY                                                             */
63 /*                                                                        */
64 /*    Application code                                                    */
65 /*                                                                        */
66 /*  RELEASE HISTORY                                                       */
67 /*                                                                        */
68 /*    DATE              NAME                      DESCRIPTION             */
69 /*                                                                        */
70 /*  05-19-2020     William E. Lamie         Initial Version 6.0           */
71 /*  09-30-2020     Yuxin Zhou               Modified comment(s),          */
72 /*                                            resulting in version 6.1    */
73 /*                                                                        */
74 /**************************************************************************/
_txe_thread_terminate(TX_THREAD * thread_ptr)75 UINT  _txe_thread_terminate(TX_THREAD *thread_ptr)
76 {
77 
78 UINT        status;
79 
80 
81     /* Check for an invalid thread pointer.  */
82     if (thread_ptr == TX_NULL)
83     {
84 
85         /* Thread pointer is invalid, return appropriate error code.  */
86         status =  TX_THREAD_ERROR;
87     }
88 
89     /* Now check for invalid thread ID.  */
90     else if (thread_ptr -> tx_thread_id != TX_THREAD_ID)
91     {
92 
93         /* Thread pointer is invalid, return appropriate error code.  */
94         status =  TX_THREAD_ERROR;
95     }
96 
97     /* Check for invalid caller of this function.  */
98     else if (TX_THREAD_GET_SYSTEM_STATE() != ((ULONG) 0))
99     {
100 
101         /* Invalid caller of this function, return appropriate error code.  */
102         status =  TX_CALLER_ERROR;
103     }
104     else
105     {
106 
107         /* Call actual thread terminate function.  */
108         status =  _tx_thread_terminate(thread_ptr);
109     }
110 
111     /* Return completion status.  */
112     return(status);
113 }
114 
115