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 #include "tx_thread.h" /* Internal ThreadX thread management. */
28
29 /**************************************************************************/
30 /* */
31 /* FUNCTION RELEASE */
32 /* */
33 /* sigemptyset PORTABLE C */
34 /* 6.1.7 */
35 /* AUTHOR */
36 /* */
37 /* William E. Lamie, Microsoft Corporation */
38 /* */
39 /* DESCRIPTION */
40 /* */
41 /* This function initializes the signal set pointed to by 'set' to 0. */
42 /* */
43 /* INPUT */
44 /* */
45 /* set Pointer to set of signals */
46 /* */
47 /* OUTPUT */
48 /* */
49 /* OK If successful */
50 /* ERROR If error occurs */
51 /* */
52 /* CALLS */
53 /* */
54 /* posix_set_pthread_errno */
55 /* */
56 /* CALLED BY */
57 /* */
58 /* Application Code */
59 /* */
60 /* RELEASE HISTORY */
61 /* */
62 /* DATE NAME DESCRIPTION */
63 /* */
64 /* 06-02-2021 William E. Lamie Initial Version 6.1.7 */
65 /* */
66 /**************************************************************************/
sigemptyset(sigset_t * set)67 int sigemptyset(sigset_t *set)
68 {
69
70 /* Is there a pointer. */
71 if (!set)
72 {
73
74 /* Return an error. */
75 posix_set_pthread_errno(EINVAL);
76 return(ERROR);
77 }
78
79 /* Set the signal set to 0, which is the empty set. */
80 set -> signal_set = 0;
81
82 /* Return successful status. */
83 return(OK);
84 }
85
