forked from Stichting-MINIX-Research-Foundation/minix
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathsignal.h
226 lines (200 loc) · 7.04 KB
/
signal.h
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
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
/* $NetBSD: signal.h,v 1.55 2015/07/31 12:51:32 kamil Exp $ */
/*-
* 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
*/
#ifndef _SIGNAL_H_
#define _SIGNAL_H_
#include <sys/cdefs.h>
#include <sys/featuretest.h>
#if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || \
defined(_NETBSD_SOURCE)
#include <sys/types.h>
#endif
#include <sys/signal.h>
#if defined(_NETBSD_SOURCE)
extern const char *const *sys_signame __RENAME(__sys_signame14);
#ifndef __SYS_SIGLIST_DECLARED
#define __SYS_SIGLIST_DECLARED
/* also in unistd.h */
extern const char *const *sys_siglist __RENAME(__sys_siglist14);
#endif /* __SYS_SIGLIST_DECLARED */
extern const int sys_nsig __RENAME(__sys_nsig14);
#endif
__BEGIN_DECLS
int raise(int);
#if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || \
defined(_NETBSD_SOURCE)
int kill(pid_t, int);
int __libc_sigaction14(int, const struct sigaction * __restrict,
struct sigaction * __restrict);
#if (_POSIX_C_SOURCE - 0L) >= 199506L || (_XOPEN_SOURCE - 0) >= 500 || \
defined(_NETBSD_SOURCE)
int pthread_sigmask(int, const sigset_t * __restrict,
sigset_t * __restrict);
#if !defined(__minix)
int pthread_kill(pthread_t, int);
#endif /* !defined(__minix) */
int __libc_thr_sigsetmask(int, const sigset_t * __restrict,
sigset_t * __restrict);
#ifndef __LIBPTHREAD_SOURCE__
#define pthread_sigmask __libc_thr_sigsetmask
#endif /* __LIBPTHREAD_SOURCE__ */
#endif
#ifndef __LIBC12_SOURCE__
int sigaction(int, const struct sigaction * __restrict,
struct sigaction * __restrict) __RENAME(__sigaction14);
#if defined(__minix) && !defined(_SYSTEM)
int sigaddset(sigset_t *, int) __RENAME(__sigaddset14);
int sigdelset(sigset_t *, int) __RENAME(__sigdelset14);
int sigemptyset(sigset_t *) __RENAME(__sigemptyset14);
int sigfillset(sigset_t *) __RENAME(__sigfillset14);
int sigismember(const sigset_t *, int) __RENAME(__sigismember14);
#endif /* defined(__minix) && !defined(_SYSTEM) */
int sigpending(sigset_t *) __RENAME(__sigpending14);
int sigprocmask(int, const sigset_t * __restrict, sigset_t * __restrict)
__RENAME(__sigprocmask14);
int sigsuspend(const sigset_t *) __RENAME(__sigsuspend14);
#if defined(__c99inline) || defined(__SIGSETOPS_BODY)
#if defined(__SIGSETOPS_BODY)
#undef __c99inline
#define __c99inline
#endif
/* note: this appears in both errno.h and signal.h */
#ifndef __errno
int *__errno(void);
#define __errno __errno
#endif
/* the same as "errno" - but signal.h is not allowed to define that */
#ifndef ___errno
#define ___errno (*__errno())
#endif
#if defined(__minix) && defined(_SYSTEM)
/* In Minix system code, use alternate versions of the signal mask
* manipulation functions that do not check signal numbers vs. _NSIG.
* _NSIG can then represent the user-visible signal set.
*/
#define sigaddset(set, sig) __sigaddset((set), (sig))
#define sigdelset(set, sig) __sigdelset((set), (sig))
#define sigemptyset(set) __sigemptyset((set))
#define sigfillset(set) __sigfillset((set))
#define sigismember(set, sig) __sigismember((set), (sig))
#else
__c99inline int
sigaddset(sigset_t *set, int signo)
{
if (signo <= 0 || signo >= _NSIG) {
___errno = 22; /* EINVAL */
return (-1);
}
__sigaddset(set, signo);
return (0);
}
__c99inline int
sigdelset(sigset_t *set, int signo)
{
if (signo <= 0 || signo >= _NSIG) {
___errno = 22; /* EINVAL */
return (-1);
}
__sigdelset(set, signo);
return (0);
}
__c99inline int
sigismember(const sigset_t *set, int signo)
{
if (signo <= 0 || signo >= _NSIG) {
___errno = 22; /* EINVAL */
return (-1);
}
return (__sigismember(set, signo));
}
__c99inline int
sigemptyset(sigset_t *set)
{
__sigemptyset(set);
return (0);
}
__c99inline int
sigfillset(sigset_t *set)
{
__sigfillset(set);
return (0);
}
#endif /* defined(__minix) && defined(_SYSTEM) */
#endif /* __c99inline */
#endif /* !__LIBC12_SOURCE__ */
/*
* X/Open CAE Specification Issue 4 Version 2
*/
#if (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \
(_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE)
int killpg(pid_t, int);
int siginterrupt(int, int);
int sigstack(const struct sigstack *, struct sigstack *);
#ifndef __LIBC12_SOURCE__
int sigaltstack(const stack_t * __restrict, stack_t * __restrict)
__RENAME(__sigaltstack14);
#endif
int sighold(int);
int sigignore(int);
int sigpause(int);
int sigrelse(int);
void (*sigset (int, void (*)(int)))(int);
#endif /* _XOPEN_SOURCE_EXTENDED || _XOPEN_SOURCE >= 500 || _NETBSD_SOURCE */
/*
* X/Open CAE Specification Issue 5; IEEE Std 1003.1b-1993 (POSIX)
*/
#if (_POSIX_C_SOURCE - 0) >= 199309L || (_XOPEN_SOURCE - 0) >= 500 || \
defined(_NETBSD_SOURCE)
int sigwait (const sigset_t * __restrict, int * __restrict);
int sigwaitinfo(const sigset_t * __restrict, siginfo_t * __restrict);
void psiginfo(const siginfo_t *, const char *);
#ifndef __LIBC12_SOURCE__
#include <sys/timespec.h>
int sigtimedwait(const sigset_t * __restrict,
siginfo_t * __restrict, const struct timespec * __restrict)
__RENAME(__sigtimedwait50);
int __sigtimedwait(const sigset_t * __restrict,
siginfo_t * __restrict, struct timespec * __restrict)
__RENAME(____sigtimedwait50);
#endif
#endif /* _POSIX_C_SOURCE >= 200112 || _XOPEN_SOURCE_EXTENDED || ... */
#if defined(_NETBSD_SOURCE)
#ifndef __PSIGNAL_DECLARED
#define __PSIGNAL_DECLARED
/* also in unistd.h */
void psignal(int, const char *);
#endif /* __PSIGNAL_DECLARED */
int sigblock(int);
int sigsetmask(int);
#endif /* _NETBSD_SOURCE */
#endif /* _POSIX_C_SOURCE || _XOPEN_SOURCE || _NETBSD_SOURCE */
__END_DECLS
#endif /* !_SIGNAL_H_ */