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sigsetops.c (31340) sigsetops.c (51794)
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

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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 * @(#)sigsetops.c 8.1 (Berkeley) 6/4/93
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

--- 17 unchanged lines hidden (view full) ---

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 * @(#)sigsetops.c 8.1 (Berkeley) 6/4/93
34 *
35 * $FreeBSD: head/lib/libc/gen/sigsetops.c 51794 1999-09-29 15:18:46Z marcel $
34 */
35
36#if defined(LIBC_SCCS) && !defined(lint)
37static char sccsid[] = "@(#)sigsetops.c 8.1 (Berkeley) 6/4/93";
38#endif /* LIBC_SCCS and not lint */
39
40#include <signal.h>
41
42#undef sigemptyset
43#undef sigfillset
44#undef sigaddset
45#undef sigdelset
46#undef sigismember
47
48int
49sigemptyset(set)
50 sigset_t *set;
51{
36 */
37
38#if defined(LIBC_SCCS) && !defined(lint)
39static char sccsid[] = "@(#)sigsetops.c 8.1 (Berkeley) 6/4/93";
40#endif /* LIBC_SCCS and not lint */
41
42#include <signal.h>
43
44#undef sigemptyset
45#undef sigfillset
46#undef sigaddset
47#undef sigdelset
48#undef sigismember
49
50int
51sigemptyset(set)
52 sigset_t *set;
53{
52 *set = 0;
54 int i;
55
56 for (i = 0; i < _SIG_WORDS; i++)
57 set->__bits[i] = 0;
53 return (0);
54}
55
56int
57sigfillset(set)
58 sigset_t *set;
59{
58 return (0);
59}
60
61int
62sigfillset(set)
63 sigset_t *set;
64{
60 *set = ~(sigset_t)0;
65 int i;
66
67 for (i = 0; i < _SIG_WORDS; i++)
68 set->__bits[i] = ~(unsigned int)0;
61 return (0);
62}
63
64int
65sigaddset(set, signo)
66 sigset_t *set;
67 int signo;
68{
69 return (0);
70}
71
72int
73sigaddset(set, signo)
74 sigset_t *set;
75 int signo;
76{
69 *set |= sigmask(signo);
77
78 if (signo <= 0 || signo > _SIG_MAXSIG) {
79 /* errno = EINVAL; */
80 return (-1);
81 }
82 set->__bits[_SIG_WORD(signo)] |= _SIG_BIT(signo);
70 return (0);
71}
72
73int
74sigdelset(set, signo)
75 sigset_t *set;
76 int signo;
77{
83 return (0);
84}
85
86int
87sigdelset(set, signo)
88 sigset_t *set;
89 int signo;
90{
78 *set &= ~sigmask(signo);
91
92 if (signo <= 0 || signo > _SIG_MAXSIG) {
93 /* errno = EINVAL; */
94 return (-1);
95 }
96 set->__bits[_SIG_WORD(signo)] &= ~_SIG_BIT(signo);
79 return (0);
80}
81
82int
83sigismember(set, signo)
84 const sigset_t *set;
85 int signo;
86{
97 return (0);
98}
99
100int
101sigismember(set, signo)
102 const sigset_t *set;
103 int signo;
104{
87 return ((*set & sigmask(signo)) != 0);
105
106 if (signo <= 0 || signo > _SIG_MAXSIG) {
107 /* errno = EINVAL; */
108 return (-1);
109 }
110 return ((set->__bits[_SIG_WORD(signo)] & _SIG_BIT(signo)) ? 1 : 0);
88}
111}