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 /* FUNCTION RELEASE */
32 /* */
33 /* pthread_attr_setinheritsched PORTABLE C */
34 /* 6.1.7 */
35 /* AUTHOR */
36 /* */
37 /* William E. Lamie, Microsoft Corporation */
38 /* */
39 /* DESCRIPTION */
40 /* */
41 /* This function sets the inheritsched attribute from the thread */
42 /* attributes object specified.The inheritsched attribute will be one */
43 /* of PTHREAD_EXPLICIT_SCHED or PTHREAD_INHERIT_SCHED. */
44 /* The default inheritsched attribute is PTHREAD_EXPLICIT_SCHED, */
45 /* with a default priority of 0. */
46 /* Use the inheritsched parameter to inherit or explicitly specify the */
47 /* scheduling attributes when creating new threads. */
48 /* */
49 /* */
50 /* INPUT */
51 /* */
52 /* attr Address of the thread attributes */
53 /* inheritsched inheritsched attribute to set */
54 /* */
55 /* */
56 /* OUTPUT */
57 /* */
58 /* 0 if successful */
59 /* Value in case of any error */
60 /* */
61 /* CALLS */
62 /* */
63 /* None */
64 /* */
65 /* CALLED BY */
66 /* */
67 /* Application Code */
68 /* */
69 /* RELEASE HISTORY */
70 /* */
71 /* DATE NAME DESCRIPTION */
72 /* */
73 /* 06-02-2021 William E. Lamie Initial Version 6.1.7 */
74 /* */
75 /**************************************************************************/
pthread_attr_setinheritsched(pthread_attr_t * attr,INT inheritsched)76 INT pthread_attr_setinheritsched(pthread_attr_t *attr, INT inheritsched)
77 {
78 /* First check the attribute object is already destroyed? */
79 if (attr->inuse == TX_FALSE)
80 {
81 posix_errno = EINVAL;
82 posix_set_pthread_errno(EINVAL);
83 return(EINVAL);
84 }
85 else
86 {
87 attr->inherit_sched = inheritsched ;
88 return(OK);
89 }
90 }
91
