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_queue_init                                    PORTABLE C      */
34 /*                                                           6.1.7        */
35 /*  AUTHOR                                                                */
36 /*                                                                        */
37 /*    William E. Lamie, Microsoft Corporation                             */
38 /*                                                                        */
39 /*  DESCRIPTION                                                           */
40 /*                                                                        */
41 /*    This function initializes the POSIX's internal variable length      */
42 /*    message queue pool.                                                 */
43 /*                                                                        */
44 /*  INPUT                                                                 */
45 /*                                                                        */
46 /*    None                                                                */
47 /*                                                                        */
48 /*  OUTPUT                                                                */
49 /*                                                                        */
50 /*    None                                                                */
51 /*                                                                        */
52 /*  CALLS                                                                 */
53 /*                                                                        */
54 /*    None                                                                */
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_queue_init(VOID)67 VOID posix_queue_init(VOID)
68 {
69 
70 ULONG              i;
71 POSIX_MSG_QUEUE   *queue_ptr;
72 
73     for (i = 0, queue_ptr = &(posix_queue_pool[0]);
74             i < POSIX_MAX_QUEUES;
75             i++, queue_ptr++)
76     {
77         /* This queue is not currently in use.*/
78         queue_ptr->in_use = TX_FALSE;
79         queue_ptr->name = "";
80         queue_ptr->open_count = 0;
81         queue_ptr->storage = NULL;
82         queue_ptr->unlink_flag = TX_FALSE;
83     }
84 }
85