xref: /titanic_52/usr/src/lib/libbc/libc/gen/common/_psignal.c (revision 7c478bd95313f5f23a4c958a745db2134aa03244)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 #pragma ident	"%Z%%M%	%I%	%E% SMI"
23 	  /* from UCB 4.1 83/02/10 */
24 
25 /*
26  * Print the name of the signal indicated
27  * along with the supplied message.
28  */
29 #include <sys/types.h>
30 #include <sys/uio.h>
31 #include <signal.h>
32 
33 extern	char *sys_siglist[];
34 extern	int strlen();
35 extern	int writev();
36 
37 void
38 _psignal(sig, s)
39 	unsigned sig;
40 	char *s;
41 {
42 	struct iovec iov[4];
43 	register struct iovec *v = iov;
44 
45 	if (s && *s) {
46 		v->iov_base = s;
47 		v->iov_len = strlen(s);
48 		v++;
49 		v->iov_base = ": ";
50 		v->iov_len = 2;
51 		v++;
52 	}
53 	v->iov_base =
54 	    (unsigned)sig < NSIG ? sys_siglist[sig] : "Unknown signal";
55 	v->iov_len = strlen(v->iov_base);
56 	v++;
57 	v->iov_base = "\n";
58 	v->iov_len = 1;
59 	writev(2, iov, (v - iov) + 1);
60 }
61