aboutsummaryrefslogtreecommitdiffstats
path: root/include/signal.h
blob: 3b20875290d65e003c9a80c48b67ceef779bc2c2 (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
/*-
 * SPDX-License-Identifier: BSD-3-Clause
 *
 * 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. 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/_types.h>
#include <sys/signal.h>
#if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE
#include <machine/ucontext.h>
#include <sys/_ucontext.h>
#endif

__NULLABILITY_PRAGMA_PUSH

#if __BSD_VISIBLE
/*
 * XXX should enlarge these, if only to give empty names instead of bounds
 * errors for large signal numbers.
 */
extern const char * const sys_signame[NSIG];
extern const char * const sys_siglist[NSIG];
extern const int sys_nsig;
#endif

#if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE
#ifndef _PID_T_DECLARED
typedef	__pid_t		pid_t;
#define	_PID_T_DECLARED
#endif
#endif

#if __POSIX_VISIBLE || __XSI_VISIBLE
struct pthread;		/* XXX */
typedef struct pthread *__pthread_t;
#if !defined(_PTHREAD_T_DECLARED) && __POSIX_VISIBLE >= 200809
typedef __pthread_t pthread_t;
#define	_PTHREAD_T_DECLARED
#endif
#endif /* __POSIX_VISIBLE || __XSI_VISIBLE */

__BEGIN_DECLS
int	raise(int);

#if __POSIX_VISIBLE || __XSI_VISIBLE
int	kill(__pid_t, int);
int	pthread_kill(__pthread_t, int);
int	pthread_sigmask(int, const __sigset_t * __restrict,
	    __sigset_t * __restrict);
int	sigaction(int, const struct sigaction * __restrict,
	    struct sigaction * __restrict);
int	sigaddset(sigset_t *, int);
int	sigdelset(sigset_t *, int);
int	sigemptyset(sigset_t *);
int	sigfillset(sigset_t *);
int	sigismember(const sigset_t *, int);
int	sigpending(sigset_t * _Nonnull);
int	sigprocmask(int, const sigset_t * __restrict, sigset_t * __restrict);
int	sigsuspend(const sigset_t * _Nonnull);
int	sigwait(const sigset_t * _Nonnull __restrict,
	    int * _Nonnull __restrict);
#endif

#if __POSIX_VISIBLE >= 199506 || __XSI_VISIBLE >= 600
int	sigqueue(__pid_t, int, const union sigval);

struct timespec;
int	sigtimedwait(const sigset_t * __restrict, siginfo_t * __restrict,
	    const struct timespec * __restrict);
int	sigwaitinfo(const sigset_t * __restrict, siginfo_t * __restrict);
#endif

#if __XSI_VISIBLE
int	killpg(__pid_t, int);
int	sigaltstack(const stack_t * __restrict, stack_t * __restrict); 
int	sighold(int);
int	sigignore(int);
int	sigpause(int);
int	sigrelse(int);
void	(* _Nullable sigset(int, void (* _Nullable)(int)))(int);
int	xsi_sigpause(int);
#endif

#if __XSI_VISIBLE >= 600
int	siginterrupt(int, int);
#endif

#if __POSIX_VISIBLE >= 200809
void	psignal(int, const char *);
#endif

#if __BSD_VISIBLE
int	sigandset(sigset_t *dest, const sigset_t *left, const sigset_t *right);
int	sigblock(int);
int	sigisemptyset(const sigset_t *set);
int	sigorset(sigset_t *dest, const sigset_t *left, const sigset_t *right);
int	sigreturn(const struct __ucontext *);
int	sigsetmask(int);
int	sigstack(const struct sigstack *, struct sigstack *);
int	sigvec(int, struct sigvec *, struct sigvec *);
#endif
__END_DECLS
__NULLABILITY_PRAGMA_POP

#endif /* !_SIGNAL_H_ */