1/*
2 * Copyright (c) 1989, 1993
3 * The Regents of the University of California. 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. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#if defined(LIBC_SCCS) && !defined(lint)
35#if 0
36static char sccsid[] = "@(#)sigcompat.c 8.1 (Berkeley) 6/2/93";
37#endif
38static const char rcsid[] =
| 1/*
2 * Copyright (c) 1989, 1993
3 * The Regents of the University of California. 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. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#if defined(LIBC_SCCS) && !defined(lint)
35#if 0
36static char sccsid[] = "@(#)sigcompat.c 8.1 (Berkeley) 6/2/93";
37#endif
38static const char rcsid[] =
|
39 "$FreeBSD: head/lib/libc/compat-43/sigcompat.c 51870 1999-10-02 19:24:24Z marcel $";
| 39 "$FreeBSD: head/lib/libc/compat-43/sigcompat.c 52040 1999-10-09 00:25:29Z jdp $";
|
40#endif /* LIBC_SCCS and not lint */
41
42#include <sys/param.h>
43#include <signal.h>
44
45int
46sigvec(signo, sv, osv)
47 int signo;
48 struct sigvec *sv, *osv;
49{
| 40#endif /* LIBC_SCCS and not lint */
41
42#include <sys/param.h>
43#include <signal.h>
44
45int
46sigvec(signo, sv, osv)
47 int signo;
48 struct sigvec *sv, *osv;
49{
|
| 50 struct sigaction sa, osa;
51 struct sigaction *sap, *osap;
|
50 int ret;
51
| 52 int ret;
53
|
52 if (sv)
53 sv->sv_flags ^= SV_INTERRUPT; /* !SA_INTERRUPT */
54 ret = osigaction(signo, (struct osigaction *)sv,
55 (struct osigaction *)osv);
56 if (ret == 0 && osv)
57 osv->sv_flags ^= SV_INTERRUPT; /* !SA_INTERRUPT */
| 54 if (sv != NULL) {
55 sa.sa_handler = sv->sv_handler;
56 sa.sa_flags = sv->sv_flags ^ SV_INTERRUPT;
57 sigemptyset(&sa.sa_mask);
58 sa.sa_mask.__bits[0] = sv->sv_mask;
59 sap = &sa;
60 } else
61 sap = NULL;
62 osap = osv != NULL ? &osa : NULL;
63 ret = sigaction(signo, sap, osap);
64 if (ret == 0 && osv != NULL) {
65 osv->sv_handler = osa.sa_handler;
66 osv->sv_flags = osa.sa_flags ^ SV_INTERRUPT;
67 osv->sv_mask = osa.sa_mask.__bits[0];
68 }
|
58 return (ret);
59}
60
61int
62sigsetmask(mask)
63 int mask;
64{
65 sigset_t set, oset;
66 int n;
67
68 sigemptyset(&set);
69 set.__bits[0] = mask;
70 n = sigprocmask(SIG_SETMASK, &set, &oset);
71 if (n)
72 return (n);
73 return (oset.__bits[0]);
74}
75
76int
77sigblock(mask)
78 int mask;
79{
80 sigset_t set, oset;
81 int n;
82
83 sigemptyset(&set);
84 set.__bits[0] = mask;
85 n = sigprocmask(SIG_BLOCK, &set, &oset);
86 if (n)
87 return (n);
88 return (oset.__bits[0]);
89}
90
91int
92sigpause(mask)
93 int mask;
94{
95 sigset_t set;
96
97 sigemptyset(&set);
98 set.__bits[0] = mask;
99 return (sigsuspend(&set));
100}
| 69 return (ret);
70}
71
72int
73sigsetmask(mask)
74 int mask;
75{
76 sigset_t set, oset;
77 int n;
78
79 sigemptyset(&set);
80 set.__bits[0] = mask;
81 n = sigprocmask(SIG_SETMASK, &set, &oset);
82 if (n)
83 return (n);
84 return (oset.__bits[0]);
85}
86
87int
88sigblock(mask)
89 int mask;
90{
91 sigset_t set, oset;
92 int n;
93
94 sigemptyset(&set);
95 set.__bits[0] = mask;
96 n = sigprocmask(SIG_BLOCK, &set, &oset);
97 if (n)
98 return (n);
99 return (oset.__bits[0]);
100}
101
102int
103sigpause(mask)
104 int mask;
105{
106 sigset_t set;
107
108 sigemptyset(&set);
109 set.__bits[0] = mask;
110 return (sigsuspend(&set));
111}
|