aboutsummaryrefslogtreecommitdiffstats
path: root/include/signal.h
blob: 2e846e621f454694cdba09f040fb5a041082837d (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
/*-
 * Copyright (c) 1991, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	@(#)signal.h	8.3 (Berkeley) 3/30/94
 *
 * $FreeBSD$
 */

#ifndef _SIGNAL_H_
#define	_SIGNAL_H_

#include <sys/cdefs.h>
#include <sys/_posix.h>
#include <machine/ansi.h>
#include <sys/signal.h>
#include <sys/time.h>

#if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
extern __const char *__const sys_signame[NSIG];
extern __const char *__const sys_siglist[NSIG];
extern __const int sys_nsig;
#endif

__BEGIN_DECLS
int	raise __P((int));
#ifndef	_ANSI_SOURCE
int	kill __P((_BSD_PID_T_, int));
int	sigaction __P((int, const struct sigaction *, struct sigaction *));
int	sigaddset __P((sigset_t *, int));
int	sigdelset __P((sigset_t *, int));
int	sigemptyset __P((sigset_t *));
int	sigfillset __P((sigset_t *));
int	sigismember __P((const sigset_t *, int));
int	sigpending __P((sigset_t *));
int	sigprocmask __P((int, const sigset_t *, sigset_t *));
int	sigsuspend __P((const sigset_t *));
int	sigwait __P((const sigset_t *, int *));


#ifdef _P1003_1B_VISIBLE

__BEGIN_DECLS
int sigqueue __P((_BSD_PID_T_, int, const union sigval));
int sigtimedwait __P((const sigset_t *, siginfo_t *, const struct timespec *));
int sigwaitinfo __P((const sigset_t *, siginfo_t *));
__END_DECLS

#endif
#ifndef _POSIX_SOURCE
int	killpg __P((_BSD_PID_T_, int));
int	sigaltstack __P((const stack_t *, stack_t *)); 
int	sigblock __P((int));
int	siginterrupt __P((int, int));
int	sigpause __P((int));
int	sigreturn __P((ucontext_t *));
int	sigsetmask __P((int));
int	sigstack __P((const struct sigstack *, struct sigstack *));
int	sigvec __P((int, struct sigvec *, struct sigvec *));
void	psignal __P((unsigned int, const char *));
#endif /* !_POSIX_SOURCE */
#endif /* !_ANSI_SOURCE */
__END_DECLS

#ifndef _ANSI_SOURCE
/* List definitions after function declarations, or Reiser cpp gets upset. */
extern __inline int sigaddset(sigset_t *set, int signo)
{

	if (signo <= 0 || signo > _SIG_MAXSIG) {
		/* errno = EINVAL; */
		return (-1);
	}
	set->__bits[_SIG_WORD(signo)] |= _SIG_BIT(signo);
	return (0);
}

extern __inline int sigdelset(sigset_t *set, int signo)
{

	if (signo <= 0 || signo > _SIG_MAXSIG) {
		/* errno = EINVAL; */
		return (-1);
	}
	set->__bits[_SIG_WORD(signo)] &= ~_SIG_BIT(signo);
	return (0);
}

extern __inline int sigemptyset(sigset_t *set)
{
	int i;

	for (i = 0; i < _SIG_WORDS; i++)
		set->__bits[i] = 0;
	return (0);
}

extern __inline int sigfillset(sigset_t *set)
{
	int i;

	for (i = 0; i < _SIG_WORDS; i++)
		set->__bits[i] = ~(unsigned int)0;
	return (0);
}

extern __inline int sigismember(__const sigset_t *set, int signo)
{

	if (signo <= 0 || signo > _SIG_MAXSIG) {
		/* errno = EINVAL; */
		return (-1);
	}
	return ((set->__bits[_SIG_WORD(signo)] & _SIG_BIT(signo)) ? 1 : 0);
}
#endif /* !_ANSI_SOURCE */

#endif /* !_SIGNAL_H_ */