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_getstacksize PORTABLE C */
34 /* 6.1.7 */
35 /* AUTHOR */
36 /* */
37 /* William E. Lamie, Microsoft Corporation */
38 /* */
39 /* DESCRIPTION */
40 /* */
41 /* This function returns the stack size associated with a pthread */
42 /* The stacksize is the minimum stack size (in bytes) allocated for */
43 /* the created threads stack. */
44 /* */
45 /* INPUT */
46 /* */
47 /* attr Address of the thread attributes */
48 /* stacksize Address of variable to contain the */
49 /* returned stack size */
50 /* */
51 /* */
52 /* OUTPUT */
53 /* */
54 /* 0 if successful */
55 /* Value in case of any error */
56 /* */
57 /* CALLS */
58 /* */
59 /* None */
60 /* */
61 /* CALLED BY */
62 /* */
63 /* Application Code */
64 /* */
65 /* RELEASE HISTORY */
66 /* */
67 /* DATE NAME DESCRIPTION */
68 /* */
69 /* 06-02-2021 William E. Lamie Initial Version 6.1.7 */
70 /* */
71 /**************************************************************************/
pthread_attr_getstacksize(pthread_attr_t * attr,size_t * stacksize)72 INT pthread_attr_getstacksize(pthread_attr_t *attr, size_t *stacksize)
73 {
74
75 /* First check the attribute object is already destroyed? */
76 if (attr->inuse == TX_FALSE)
77 {
78 posix_errno = EINVAL;
79 posix_set_pthread_errno(EINVAL);
80 return(EINVAL);
81 }
82 else
83 {
84 *stacksize = attr->stack_size;
85 return(OK);
86 }
87 }
88
