1 /* $NetBSD: psignal.c,v 1.23 2012/03/13 21:13:36 christos Exp $ */
2
3 /*
4 * Copyright (c) 1983, 1993
5 * The Regents of the University of California. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32 #include <sys/cdefs.h>
33 #if defined(LIBC_SCCS) && !defined(lint)
34 #if 0
35 static char sccsid[] = "@(#)psignal.c 8.1 (Berkeley) 6/4/93";
36 #else
37 __RCSID("$NetBSD: psignal.c,v 1.23 2012/03/13 21:13:36 christos Exp $");
38 #endif
39 #endif /* LIBC_SCCS and not lint */
40
41 #include "namespace.h"
42
43 #include <sys/types.h>
44 #include <sys/uio.h>
45
46 #include <limits.h>
47 #include <signal.h>
48 #include <string.h>
49 #include <unistd.h>
50
51 #include "extern.h"
52
53 #ifdef __weak_alias
__weak_alias(psignal,_psignal)54 __weak_alias(psignal,_psignal)
55 #endif
56
57 void
58 psignal(int sig, const char *s)
59 {
60 struct iovec *v;
61 struct iovec iov[4];
62 char buf[NL_TEXTMAX];
63
64 v = iov;
65 if (s && *s) {
66 v->iov_base = __UNCONST(s);
67 v->iov_len = strlen(s);
68 v++;
69 v->iov_base = __UNCONST(": ");
70 v->iov_len = 2;
71 v++;
72 }
73 v->iov_base = __UNCONST(__strsignal((int)sig, buf, sizeof(buf)));
74 v->iov_len = strlen(v->iov_base);
75 v++;
76 v->iov_base = __UNCONST("\n");
77 v->iov_len = 1;
78 (void)writev(STDERR_FILENO, iov, (int)((v - iov) + 1));
79 }
80
81 void
psiginfo(const siginfo_t * si,const char * s)82 psiginfo(const siginfo_t *si, const char *s)
83 {
84 psignal(si->si_signo, s);
85 }
86