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 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 82 psiginfo(const siginfo_t *si, const char *s) 83 { 84 psignal(si->si_signo, s); 85 } 86