Annotation of prex-old/usr/test/signal/signal.c, Revision 1.1.1.1
1.1 nbrk 1: /*
2: * Copyright (c) 2007, Kohsuke Ohtani
3: * All rights reserved.
4: *
5: * Redistribution and use in source and binary forms, with or without
6: * modification, are permitted provided that the following conditions
7: * are met:
8: * 1. Redistributions of source code must retain the above copyright
9: * notice, this list of conditions and the following disclaimer.
10: * 2. Redistributions in binary form must reproduce the above copyright
11: * notice, this list of conditions and the following disclaimer in the
12: * documentation and/or other materials provided with the distribution.
13: * 3. Neither the name of the author nor the names of any co-contributors
14: * may be used to endorse or promote products derived from this software
15: * without specific prior written permission.
16: *
17: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20: * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27: * SUCH DAMAGE.
28: */
29:
30: /*
31: * signal.c - test signal.
32: */
33:
34: #include <sys/fcntl.h>
35: #include <unistd.h>
36: #include <signal.h>
37: #include <stdio.h>
38: #include <stdlib.h>
39:
40: static void gotsig(int sig);
41:
42: int
43: main(int argc, char *argv[])
44: {
45: int ttyfd;
46: pid_t pgrp;
47:
48: printf("signal test program\n");
49:
50: if ((ttyfd = open("/dev/tty", O_RDWR)) == -1) {
51: printf("failed to open tty\n");
52: exit(1);
53: }
54: pgrp = getpgrp();
55: printf("tcsetpgrp=%x\n", pgrp);
56: tcsetpgrp(ttyfd, pgrp);
57: for (;;);
58:
59: signal(SIGINT, gotsig);
60: }
61:
62: static void
63: gotsig(int sig)
64: {
65: printf("Got signal: %d\n", sig);
66: }
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