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 /* sigaddset PORTABLE C */
34 /* 6.1.7 */
35 /* AUTHOR */
36 /* */
37 /* William E. Lamie, Microsoft Corporation */
38 /* */
39 /* DESCRIPTION */
40 /* */
41 /* This function adds the individual signal specified by the signo to */
42 /* the signal set pointed to by set. */
43 /* */
44 /* INPUT */
45 /* */
46 /* set Pointer to set of signals */
47 /* signo Signal */
48 /* */
49 /* OUTPUT */
50 /* */
51 /* OK If successful */
52 /* ERROR If error occurs */
53 /* */
54 /* CALLS */
55 /* */
56 /* posix_set_pthread_errno */
57 /* */
58 /* CALLED BY */
59 /* */
60 /* Application Code */
61 /* */
62 /* RELEASE HISTORY */
63 /* */
64 /* DATE NAME DESCRIPTION */
65 /* */
66 /* 06-02-2021 William E. Lamie Initial Version 6.1.7 */
67 /* */
68 /**************************************************************************/
sigaddset(sigset_t * set,int signo)69 int sigaddset(sigset_t *set, int signo)
70 {
71
72 /* Determine if the desired signal is valid. */
73 if ((signo < 0) || (signo > SIGRTMAX))
74 {
75
76 /* Return an error. */
77 posix_set_pthread_errno(EINVAL);
78 return(ERROR);
79 }
80
81 /* All is okay, set the appropriate signal bit. */
82 set -> signal_set = set -> signal_set | (((ULONG) 1) << signo);
83
84 /* Return success! */
85 return(OK);
86 }
87
