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_getstacksize PORTABLE C */
35 /* 6.1.7 */
36 /* AUTHOR */
37 /* */
38 /* William E. Lamie, Microsoft Corporation */
39 /* */
40 /* DESCRIPTION */
41 /* */
42 /* This function returns the stack size associated with a pthread */
43 /* The stacksize is the minimum stack size (in bytes) allocated for */
44 /* the created threads stack. */
45 /* */
46 /* INPUT */
47 /* */
48 /* attr Address of the thread attributes */
49 /* stacksize Address of variable to contain the */
50 /* returned stack size */
51 /* */
52 /* */
53 /* OUTPUT */
54 /* */
55 /* 0 if successful */
56 /* Value in case of any error */
57 /* */
58 /* CALLS */
59 /* */
60 /* None */
61 /* */
62 /* CALLED BY */
63 /* */
64 /* Application Code */
65 /* */
66 /* RELEASE HISTORY */
67 /* */
68 /* DATE NAME DESCRIPTION */
69 /* */
70 /* 06-02-2021 William E. Lamie Initial Version 6.1.7 */
71 /* */
72 /**************************************************************************/
pthread_attr_getstacksize(pthread_attr_t * attr,size_t * stacksize)73 INT pthread_attr_getstacksize(pthread_attr_t *attr, size_t *stacksize)
74 {
75
76 /* First check the attribute object is already destroyed? */
77 if (attr->inuse == TX_FALSE)
78 {
79 posix_errno = EINVAL;
80 posix_set_pthread_errno(EINVAL);
81 return(EINVAL);
82 }
83 else
84 {
85 *stacksize = attr->stack_size;
86 return(OK);
87 }
88 }
89
