1 /*
2 * Copyright (c) 1989 The Regents of the University of California.
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 University nor the names of its 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 REGENTS 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 REGENTS 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 #include <signal.h>
31
32 int
sigvec(int signo,struct sigvec * sv,struct sigvec * osv)33 sigvec(int signo, struct sigvec *sv, struct sigvec *osv)
34 {
35 int ret;
36 struct sigvec nsv;
37
38 if (sv) {
39 nsv = *sv;
40 nsv.sv_flags ^= SV_INTERRUPT; /* !SA_INTERRUPT */
41 }
42 ret = WRAP(sigaction)(signo, sv ? (struct sigaction *)&nsv : NULL,
43 (struct sigaction *)osv);
44 if (ret == 0 && osv)
45 osv->sv_flags ^= SV_INTERRUPT; /* !SA_INTERRUPT */
46 return (ret);
47 }
48
49 int
sigsetmask(int mask)50 sigsetmask(int mask)
51 {
52 int omask, n;
53
54 n = WRAP(sigprocmask)(SIG_SETMASK, (sigset_t *) &mask,
55 (sigset_t *) &omask);
56 if (n)
57 return (n);
58 return (omask);
59 }
60
61 int
sigblock(int mask)62 sigblock(int mask)
63 {
64 int omask, n;
65
66 n = WRAP(sigprocmask)(SIG_BLOCK, (sigset_t *) &mask,
67 (sigset_t *) &omask);
68 if (n)
69 return (n);
70 return (omask);
71 }
72
73 int
sigpause(int mask)74 sigpause(int mask)
75 {
76 return (sigsuspend((sigset_t *)&mask));
77 }
78