1df930be7Sderaadt /*
2df930be7Sderaadt * Copyright (c) 1989 The Regents of the University of California.
3df930be7Sderaadt * All rights reserved.
4df930be7Sderaadt *
5df930be7Sderaadt * Redistribution and use in source and binary forms, with or without
6df930be7Sderaadt * modification, are permitted provided that the following conditions
7df930be7Sderaadt * are met:
8df930be7Sderaadt * 1. Redistributions of source code must retain the above copyright
9df930be7Sderaadt * notice, this list of conditions and the following disclaimer.
10df930be7Sderaadt * 2. Redistributions in binary form must reproduce the above copyright
11df930be7Sderaadt * notice, this list of conditions and the following disclaimer in the
12df930be7Sderaadt * documentation and/or other materials provided with the distribution.
136580fee3Smillert * 3. Neither the name of the University nor the names of its contributors
14df930be7Sderaadt * may be used to endorse or promote products derived from this software
15df930be7Sderaadt * without specific prior written permission.
16df930be7Sderaadt *
17df930be7Sderaadt * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18df930be7Sderaadt * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19df930be7Sderaadt * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20df930be7Sderaadt * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21df930be7Sderaadt * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22df930be7Sderaadt * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23df930be7Sderaadt * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24df930be7Sderaadt * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25df930be7Sderaadt * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26df930be7Sderaadt * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27df930be7Sderaadt * SUCH DAMAGE.
28df930be7Sderaadt */
29df930be7Sderaadt
30df930be7Sderaadt #include <signal.h>
31df930be7Sderaadt
32df930be7Sderaadt int
sigvec(int signo,struct sigvec * sv,struct sigvec * osv)33f723aa39Sderaadt sigvec(int signo, struct sigvec *sv, struct sigvec *osv)
34df930be7Sderaadt {
35df930be7Sderaadt int ret;
36df930be7Sderaadt struct sigvec nsv;
37df930be7Sderaadt
38df930be7Sderaadt if (sv) {
39df930be7Sderaadt nsv = *sv;
40df930be7Sderaadt nsv.sv_flags ^= SV_INTERRUPT; /* !SA_INTERRUPT */
41df930be7Sderaadt }
42*5aed4d28Sguenther ret = WRAP(sigaction)(signo, sv ? (struct sigaction *)&nsv : NULL,
43df930be7Sderaadt (struct sigaction *)osv);
44df930be7Sderaadt if (ret == 0 && osv)
45df930be7Sderaadt osv->sv_flags ^= SV_INTERRUPT; /* !SA_INTERRUPT */
46df930be7Sderaadt return (ret);
47df930be7Sderaadt }
48df930be7Sderaadt
49df930be7Sderaadt int
sigsetmask(int mask)50f723aa39Sderaadt sigsetmask(int mask)
51df930be7Sderaadt {
52df930be7Sderaadt int omask, n;
53df930be7Sderaadt
54*5aed4d28Sguenther n = WRAP(sigprocmask)(SIG_SETMASK, (sigset_t *) &mask,
55*5aed4d28Sguenther (sigset_t *) &omask);
56df930be7Sderaadt if (n)
57df930be7Sderaadt return (n);
58df930be7Sderaadt return (omask);
59df930be7Sderaadt }
60df930be7Sderaadt
61df930be7Sderaadt int
sigblock(int mask)62f723aa39Sderaadt sigblock(int mask)
63df930be7Sderaadt {
64df930be7Sderaadt int omask, n;
65df930be7Sderaadt
66*5aed4d28Sguenther n = WRAP(sigprocmask)(SIG_BLOCK, (sigset_t *) &mask,
67*5aed4d28Sguenther (sigset_t *) &omask);
68df930be7Sderaadt if (n)
69df930be7Sderaadt return (n);
70df930be7Sderaadt return (omask);
71df930be7Sderaadt }
72df930be7Sderaadt
73df930be7Sderaadt int
sigpause(int mask)74f723aa39Sderaadt sigpause(int mask)
75df930be7Sderaadt {
76df930be7Sderaadt return (sigsuspend((sigset_t *)&mask));
77df930be7Sderaadt }
78