1 /*
2 * Copyright (c) 2003, Intel Corporation. All rights reserved.
3 * Created by: salwan.searty REMOVE-THIS AT intel DOT com
4 * This file is licensed under the GPL license. For the full content
5 * of this license, see the COPYING file at the top level of this
6 * source tree.
7
8 This program tests the assertion that signal() shall return SIG_ERR
9 and set errno to a positive value if an invalid signal number was
10 passed to it.
11
12 */
13
14 #include <signal.h>
15 #include <stdio.h>
16 #include <stdlib.h>
17 #include <errno.h>
18 #include "posixtest.h"
19
myhandler(int signo)20 void myhandler(int signo)
21 {
22 printf("handler does nothing useful.\n");
23 }
24
main(void)25 int main(void)
26 {
27 errno = -1;
28
29 if (signal(-1, myhandler) != SIG_ERR) {
30 printf
31 ("Test FAILED: signal() didn't return SIG_ERR even though invalid signal number was passed to it\n");
32 return PTS_FAIL;
33 }
34
35 if (errno <= 0) {
36 printf
37 ("Test FAILED: errno wasn't set to a positive number even though invalid signal number was passed to the signal() function\n");
38 return PTS_FAIL;
39 }
40 return PTS_PASS;
41 }
42