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_thread.h"
29 
30 
31 /**************************************************************************/
32 /*                                                                        */
33 /*  FUNCTION                                               RELEASE        */
34 /*                                                                        */
35 /*    _txe_thread_delete                                  PORTABLE C      */
36 /*                                                           6.1          */
37 /*  AUTHOR                                                                */
38 /*                                                                        */
39 /*    William E. Lamie, Microsoft Corporation                             */
40 /*                                                                        */
41 /*  DESCRIPTION                                                           */
42 /*                                                                        */
43 /*    This function checks for errors in the thread delete function call. */
44 /*                                                                        */
45 /*  INPUT                                                                 */
46 /*                                                                        */
47 /*    thread_ptr                            Pointer to thread to suspend  */
48 /*                                                                        */
49 /*  OUTPUT                                                                */
50 /*                                                                        */
51 /*    TX_THREAD_ERROR                       Invalid thread pointer        */
52 /*    TX_CALLER_ERROR                       Invalid caller of function    */
53 /*    status                                Actual completion status      */
54 /*                                                                        */
55 /*  CALLS                                                                 */
56 /*                                                                        */
57 /*    _tx_thread_delete                     Actual thread delete function */
58 /*                                                                        */
59 /*  CALLED BY                                                             */
60 /*                                                                        */
61 /*    Application code                                                    */
62 /*                                                                        */
63 /*  RELEASE HISTORY                                                       */
64 /*                                                                        */
65 /*    DATE              NAME                      DESCRIPTION             */
66 /*                                                                        */
67 /*  05-19-2020     William E. Lamie         Initial Version 6.0           */
68 /*  09-30-2020     Yuxin Zhou               Modified comment(s),          */
69 /*                                            resulting in version 6.1    */
70 /*                                                                        */
71 /**************************************************************************/
_txe_thread_delete(TX_THREAD * thread_ptr)72 UINT  _txe_thread_delete(TX_THREAD *thread_ptr)
73 {
74 
75 UINT        status;
76 
77 
78     /* Check for invalid caller of this function.  */
79     if (TX_THREAD_GET_SYSTEM_STATE() != ((ULONG) 0))
80     {
81 
82         /* Invalid caller of this function, return appropriate error code.  */
83         status =  TX_CALLER_ERROR;
84     }
85 
86     /* Check for an invalid thread pointer.  */
87     else if (thread_ptr == TX_NULL)
88     {
89 
90         /* Thread pointer is invalid, return appropriate error code.  */
91         status =  TX_THREAD_ERROR;
92     }
93 
94     /* Now check for invalid thread ID.  */
95     else if (thread_ptr -> tx_thread_id != TX_THREAD_ID)
96     {
97 
98         /* Thread pointer is invalid, return appropriate error code.  */
99         status =  TX_THREAD_ERROR;
100     }
101     else
102     {
103 
104         /* Call actual thread delete function.  */
105         status =  _tx_thread_delete(thread_ptr);
106     }
107 
108     /* Return completion status.  */
109     return(status);
110 }
111 
112