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 /** POSIX wrapper for THREADX */
16 /** */
17 /** */
18 /** */
19 /**************************************************************************/
20 /**************************************************************************/
21
22 /* Include necessary system files. */
23
24 #include "tx_api.h" /* Threadx API */
25 #include "pthread.h" /* Posix API */
26 #include "px_int.h" /* Posix helper functions */
27
28
29 /**************************************************************************/
30 /* */
31 /* FUNCTION RELEASE */
32 /* */
33 /* posix_reset_queue PORTABLE C */
34 /* 6.1.7 */
35 /* AUTHOR */
36 /* */
37 /* William E. Lamie, Microsoft Corporation */
38 /* */
39 /* DESCRIPTION */
40 /* */
41 /* This function resets a message queue structure */
42 /* */
43 /* INPUT */
44 /* */
45 /* q_ptr q_ptr */
46 /* */
47 /* OUTPUT */
48 /* */
49 /* None */
50 /* */
51 /* CALLS */
52 /* */
53 /* tx_byte_pool_delete Deletes byte pool */
54 /* posix_internal_error Returns generic error */
55 /* */
56 /* CALLED BY */
57 /* */
58 /* POSIX internal code */
59 /* */
60 /* RELEASE HISTORY */
61 /* */
62 /* DATE NAME DESCRIPTION */
63 /* */
64 /* 06-02-2021 William E. Lamie Initial Version 6.1.7 */
65 /* */
66 /**************************************************************************/
posix_reset_queue(POSIX_MSG_QUEUE * q_ptr)67 VOID posix_reset_queue(POSIX_MSG_QUEUE * q_ptr)
68 {
69 /* Indicate this entry is not in use. */
70 q_ptr->in_use = TX_FALSE;
71
72 /* Reset thread name to NULL string. */
73 q_ptr -> name = NULL;
74
75 /* Reset open count. */
76 q_ptr -> open_count = 0;
77
78 /* Reset storage */
79 q_ptr -> storage = NULL;
80
81 /* Delete message area. */
82 if (tx_byte_pool_delete(&(q_ptr ->vq_message_area)))
83 {
84 /* Internal error. */
85 posix_internal_error(444);
86 }
87 /* Reset queue id. */
88 q_ptr -> px_queue_id = 0;
89
90 /* Reset Unlink Flag */
91 q_ptr -> unlink_flag = TX_FALSE;
92 }
93
