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 /* pthread_attr_init PORTABLE C */
34 /* 6.1.7 */
35 /* AUTHOR */
36 /* */
37 /* William E. Lamie, Microsoft Corporation */
38 /* */
39 /* DESCRIPTION */
40 /* */
41 /* This function initializes a pthread attributes object to default */
42 /* values,if the object is already created this call will reinitialize */
43 /* it else it will create a new attr object and initializes it. */
44 /* */
45 /* */
46 /* INPUT */
47 /* */
48 /* attr Address of the thread attributes */
49 /* */
50 /* OUTPUT */
51 /* */
52 /* 0 if successful */
53 /* Value in case of any error */
54 /* */
55 /* CALLS */
56 /* */
57 /* set_default_pthread_attr to reset with defualt parameters */
58 /* */
59 /* CALLED BY */
60 /* */
61 /* Application Code */
62 /* */
63 /* RELEASE HISTORY */
64 /* */
65 /* DATE NAME DESCRIPTION */
66 /* */
67 /* 06-02-2021 William E. Lamie Initial Version 6.1.7 */
68 /* */
69 /**************************************************************************/
pthread_attr_init(pthread_attr_t * attr)70 INT pthread_attr_init(pthread_attr_t *attr)
71 {
72
73 TX_INTERRUPT_SAVE_AREA
74
75 TX_DISABLE
76
77 /* Check this attributes object exists ? */
78 if (attr->inuse == TX_FALSE)
79 attr->inuse = TX_TRUE;
80
81 set_default_pthread_attr(attr);
82
83 TX_RESTORE
84 return(OK);
85 }
86
