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 /* sigaddset PORTABLE C */
35 /* 6.1.7 */
36 /* AUTHOR */
37 /* */
38 /* William E. Lamie, Microsoft Corporation */
39 /* */
40 /* DESCRIPTION */
41 /* */
42 /* This function adds the individual signal specified by the signo to */
43 /* the signal set pointed to by set. */
44 /* */
45 /* INPUT */
46 /* */
47 /* set Pointer to set of signals */
48 /* signo Signal */
49 /* */
50 /* OUTPUT */
51 /* */
52 /* OK If successful */
53 /* ERROR If error occurs */
54 /* */
55 /* CALLS */
56 /* */
57 /* posix_set_pthread_errno */
58 /* */
59 /* CALLED BY */
60 /* */
61 /* Application Code */
62 /* */
63 /* RELEASE HISTORY */
64 /* */
65 /* DATE NAME DESCRIPTION */
66 /* */
67 /* 06-02-2021 William E. Lamie Initial Version 6.1.7 */
68 /* */
69 /**************************************************************************/
sigaddset(sigset_t * set,int signo)70 int sigaddset(sigset_t *set, int signo)
71 {
72
73 /* Determine if the desired signal is valid. */
74 if ((signo < 0) || (signo > SIGRTMAX))
75 {
76
77 /* Return an error. */
78 posix_set_pthread_errno(EINVAL);
79 return(ERROR);
80 }
81
82 /* All is okay, set the appropriate signal bit. */
83 set -> signal_set = set -> signal_set | (((ULONG) 1) << signo);
84
85 /* Return success! */
86 return(OK);
87 }
88
