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 /*  FUNCTION                                               RELEASE        */
31 /*                                                                        */
32 /*    pthread_attr_getschedpolicy                         PORTABLE C      */
33 /*                                                           6.1.7        */
34 /*  AUTHOR                                                                */
35 /*                                                                        */
36 /*    William E. Lamie, Microsoft Corporation                             */
37 /*                                                                        */
38 /*  DESCRIPTION                                                           */
39 /*                                                                        */
40 /*    This function returns the scheduling policy from the pthread        */
41 /*    attributes object.                                                  */
42 /*                                                                        */
43 /*                                                                        */
44 /*  INPUT                                                                 */
45 /*                                                                        */
46 /*    attr                           Address of the thread attributes     */
47 /*    policy                         Address of variable to contain the   */
48 /*                                   returned scheduling policy           */
49 /*                                                                        */
50 /*                                                                        */
51 /*  OUTPUT                                                                */
52 /*                                                                        */
53 /*     0                             if successful                        */
54 /*     Value                         in case of any error                 */
55 /*                                                                        */
56 /*  CALLS                                                                 */
57 /*                                                                        */
58 /*    None                                                                */
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_getschedpolicy(pthread_attr_t * attr,INT * policy)71 INT pthread_attr_getschedpolicy(pthread_attr_t *attr, INT *policy)
72 {
73     /* First check the attribute object is already destroyed? */
74     if (attr->inuse == TX_FALSE)
75     {
76         posix_errno = EINVAL;
77 	    posix_set_pthread_errno(EINVAL);
78         return(EINVAL);
79     }
80     else
81     {
82         *policy =  attr->sched_policy;
83         return(OK);
84     }
85 }
86 
87 
88