2 * Copyright (c) 1999-2004 Damien Miller <djm@mindrot.org>
4 * Permission to use, copy, modify, and distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
23 #include "openbsd-compat/bsd-signal.h"
28 mysignal(int sig, mysig_t act)
31 struct sigaction sa, osa;
33 if (sigaction(sig, NULL, &osa) == -1)
35 if (osa.sa_handler != act) {
36 memset(&sa, 0, sizeof(sa));
37 sigemptyset(&sa.sa_mask);
41 sa.sa_flags |= SA_INTERRUPT;
44 if (sigaction(sig, &sa, NULL) == -1)
47 return (osa.sa_handler);
49 return (signal(sig, act));
53 #if !defined(HAVE_STRSIGNAL)
54 char *strsignal(int sig)
58 (void)snprintf(buf, sizeof(buf), "%d", sig);