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 /** POSIX wrapper for THREADX */
17 /** */
18 /** */
19 /** */
20 /**************************************************************************/
21 /**************************************************************************/
22
23 /* Include necessary system files. */
24
25 #include "tx_api.h" /* Threadx API */
26 #include "pthread.h" /* Posix API */
27 #include "px_int.h" /* Posix helper functions */
28
29
30 /**************************************************************************/
31 /* */
32 /* FUNCTION RELEASE */
33 /* */
34 /* pthread_attr_init PORTABLE C */
35 /* 6.1.7 */
36 /* AUTHOR */
37 /* */
38 /* William E. Lamie, Microsoft Corporation */
39 /* */
40 /* DESCRIPTION */
41 /* */
42 /* This function initializes a pthread attributes object to default */
43 /* values,if the object is already created this call will reinitialize */
44 /* it else it will create a new attr object and initializes it. */
45 /* */
46 /* */
47 /* INPUT */
48 /* */
49 /* attr Address of the thread attributes */
50 /* */
51 /* OUTPUT */
52 /* */
53 /* 0 if successful */
54 /* Value in case of any error */
55 /* */
56 /* CALLS */
57 /* */
58 /* set_default_pthread_attr to reset with defualt parameters */
59 /* */
60 /* CALLED BY */
61 /* */
62 /* Application Code */
63 /* */
64 /* RELEASE HISTORY */
65 /* */
66 /* DATE NAME DESCRIPTION */
67 /* */
68 /* 06-02-2021 William E. Lamie Initial Version 6.1.7 */
69 /* */
70 /**************************************************************************/
pthread_attr_init(pthread_attr_t * attr)71 INT pthread_attr_init(pthread_attr_t *attr)
72 {
73
74 TX_INTERRUPT_SAVE_AREA
75
76 TX_DISABLE
77
78 /* Check this attributes object exists ? */
79 if (attr->inuse == TX_FALSE)
80 attr->inuse = TX_TRUE;
81
82 set_default_pthread_attr(attr);
83
84 TX_RESTORE
85 return(OK);
86 }
87
