3 * Copyright (C) 2021 Simone Piccardi
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or (at
8 * your option) any later version.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 /****************************************************************
22 * Test program for sigwait function
24 * Author: Simone Piccardi
27 ****************************************************************/
29 * Include needed headers
32 #include <unistd.h> /* unix standard library */
33 #include <signal.h> /* signal constants, types and functions */
34 #include <errno.h> /* error definitions and routines */
35 #include <stdlib.h> /* C standard library */
36 #include <unistd.h> /* unix standard library */
37 #include <stdio.h> /* standard I/O library */
38 #include <string.h> /* C strings library */
40 int main(int argc, char *argv[])
43 * Variables definition
51 sigaddset(&set, SIGALRM);
53 res=sigwait(&set, &sig);
54 printf("Sig was %d", sig);
56 printf("Errno was %d", errno);
58 printf("Result was %d", res);
59 printf("Error by res was %s", strerror(res));
62 printf("Result was %d", res);
63 printf("Normal exit");