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 #include "tx_thread.h" /* Internal ThreadX thread management. */
29
30 /**************************************************************************/
31 /* */
32 /* FUNCTION RELEASE */
33 /* */
34 /* sigemptyset PORTABLE C */
35 /* 6.1.7 */
36 /* AUTHOR */
37 /* */
38 /* William E. Lamie, Microsoft Corporation */
39 /* */
40 /* DESCRIPTION */
41 /* */
42 /* This function initializes the signal set pointed to by 'set' to 0. */
43 /* */
44 /* INPUT */
45 /* */
46 /* set Pointer to set of signals */
47 /* */
48 /* OUTPUT */
49 /* */
50 /* OK If successful */
51 /* ERROR If error occurs */
52 /* */
53 /* CALLS */
54 /* */
55 /* posix_set_pthread_errno */
56 /* */
57 /* CALLED BY */
58 /* */
59 /* Application Code */
60 /* */
61 /* RELEASE HISTORY */
62 /* */
63 /* DATE NAME DESCRIPTION */
64 /* */
65 /* 06-02-2021 William E. Lamie Initial Version 6.1.7 */
66 /* */
67 /**************************************************************************/
sigemptyset(sigset_t * set)68 int sigemptyset(sigset_t *set)
69 {
70
71 /* Is there a pointer. */
72 if (!set)
73 {
74
75 /* Return an error. */
76 posix_set_pthread_errno(EINVAL);
77 return(ERROR);
78 }
79
80 /* Set the signal set to 0, which is the empty set. */
81 set -> signal_set = 0;
82
83 /* Return successful status. */
84 return(OK);
85 }
86
