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first round of POSIX 2008 stuff
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--- old/usr/src/head/signal.h
+++ new/usr/src/head/signal.h
1 1 /*
2 2 * CDDL HEADER START
3 3 *
4 4 * The contents of this file are subject to the terms of the
5 5 * Common Development and Distribution License, Version 1.0 only
6 6 * (the "License"). You may not use this file except in compliance
7 7 * with the License.
8 8 *
9 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 10 * or http://www.opensolaris.org/os/licensing.
11 11 * See the License for the specific language governing permissions
12 12 * and limitations under the License.
13 13 *
14 14 * When distributing Covered Code, include this CDDL HEADER in each
15 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 16 * If applicable, add the following below this CDDL HEADER, with the
17 17 * fields enclosed by brackets "[]" replaced with your own identifying
18 18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 19 *
20 20 * CDDL HEADER END
21 21 */
22 22 /* Copyright (c) 1988 AT&T */
23 23 /* All Rights Reserved */
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24 24
25 25
26 26 /*
27 27 * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
28 28 * Use is subject to license terms.
29 29 */
30 30
31 31 #ifndef _SIGNAL_H
32 32 #define _SIGNAL_H
33 33
34 -#pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.5.3.4 */
35 -
36 34 #include <sys/feature_tests.h>
37 35
38 36 #if defined(__EXTENSIONS__) || !defined(_STRICT_STDC) || \
39 37 defined(__XOPEN_OR_POSIX)
40 38 #include <sys/types.h> /* need pid_t/uid_t/size_t/clock_t/caddr_t/pthread_t */
41 39 #endif
42 40
43 41 #include <iso/signal_iso.h>
44 42 #include <sys/signal.h>
45 43
46 44 /*
47 45 * Allow global visibility for symbols defined in
48 46 * C++ "std" namespace in <iso/signal_iso.h>.
49 47 */
50 48 #if __cplusplus >= 199711L
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51 49 using std::sig_atomic_t;
52 50 using std::signal;
53 51 using std::raise;
54 52 #endif
55 53
56 54 #ifdef __cplusplus
57 55 extern "C" {
58 56 #endif
59 57
60 58
61 -#if defined(__STDC__)
62 -
63 59 extern const char **_sys_siglistp; /* signal descriptions */
64 60 extern const int _sys_siglistn; /* # of signal descriptions */
65 61
66 62 #if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX)
67 63 #define _sys_siglist _sys_siglistp
68 64 #define _sys_nsig _sys_siglistn
69 65 #endif
70 66
71 67 #if defined(__EXTENSIONS__) || !defined(_STRICT_STDC) || \
72 68 defined(__XOPEN_OR_POSIX)
73 69 extern int kill(pid_t, int);
74 70 extern int sigaction(int, const struct sigaction *_RESTRICT_KYWD,
75 71 struct sigaction *_RESTRICT_KYWD);
76 72 #ifndef _KERNEL
77 73 extern int sigaddset(sigset_t *, int);
78 74 extern int sigdelset(sigset_t *, int);
79 75 extern int sigemptyset(sigset_t *);
80 76 extern int sigfillset(sigset_t *);
81 77 extern int sigismember(const sigset_t *, int);
82 78 #endif
83 79 extern int sigpending(sigset_t *);
84 80 extern int sigprocmask(int, const sigset_t *_RESTRICT_KYWD,
85 81 sigset_t *_RESTRICT_KYWD);
86 82 extern int sigsuspend(const sigset_t *);
87 83 #endif /* defined(__EXTENSIONS__) || !defined(_STRICT_STDC)... */
88 84
89 85 #if defined(__EXTENSIONS__) || (!defined(_STRICT_STDC) && \
90 86 !defined(__XOPEN_OR_POSIX))
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91 87 #include <sys/procset.h>
92 88 extern int gsignal(int);
93 89 extern int (*ssignal(int, int (*)(int)))(int);
94 90 extern int sigsend(idtype_t, id_t, int);
95 91 extern int sigsendset(const procset_t *, int);
96 92 extern int sig2str(int, char *);
97 93 extern int str2sig(const char *, int *);
98 94 #define SIG2STR_MAX 32
99 95 #endif /* defined(__EXTENSIONS__) || (!defined(_STRICT_STDC)... */
100 96
101 -#if defined(__EXTENSIONS__) || (!defined(_STRICT_STDC) && \
102 - !defined(__XOPEN_OR_POSIX)) || defined(_XPG4_2)
97 +/* Added in Issue 4 version 2, obsoleted in Issue 6 and removed in Issue 7 */
98 +#if (!defined(_STRICT_SYMBOLS)) || (defined(_XPG4_2) && !defined(_XPG7))
99 +/* bsd_signal removed from Issue 7 */
103 100 extern void (*bsd_signal(int, void (*)(int)))(int);
101 +#endif
102 +
103 +/* Added in Issue 4 version 2 */
104 +#if (!defined(_STRICT_SYMBOLS)) || defined(_XPG4_2)
104 105 extern int killpg(pid_t, int);
105 106 extern int siginterrupt(int, int);
106 107 extern int sigaltstack(const stack_t *_RESTRICT_KYWD, stack_t *_RESTRICT_KYWD);
107 108 extern int sighold(int);
108 109 extern int sigignore(int);
109 110 extern int sigpause(int);
110 111 extern int sigrelse(int);
111 112 extern void (*sigset(int, void (*)(int)))(int);
112 -#endif /* defined(__EXTENSIONS__) || (!defined(_STRICT_STDC) && ... */
113 +#endif
113 114
114 -/* Marked as LEGACY in SUSv2 and removed in SUSv3 */
115 -#if defined(__EXTENSIONS__) || \
116 - (!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) || \
117 - (defined(_XPG4_2) && !defined(_XPG6))
115 +/* Added in Issue 4 version 2, obsoleted in SUSv2 and removed in SUSv3 */
116 +#if (!defined(_STRICT_SYMBOLS)) || (defined(_XPG4_2) && !defined(_XPG6))
118 117 extern int sigstack(struct sigstack *, struct sigstack *);
119 118 #endif
120 119
121 120 #if defined(__EXTENSIONS__) || (!defined(_STRICT_STDC) && \
122 121 !defined(__XOPEN_OR_POSIX)) || (_POSIX_C_SOURCE > 2)
123 122 #include <sys/siginfo.h>
124 123 #include <time.h>
125 124 extern int pthread_kill(pthread_t, int);
126 125 extern int pthread_sigmask(int, const sigset_t *_RESTRICT_KYWD,
127 126 sigset_t *_RESTRICT_KYWD);
128 127 extern int sigwaitinfo(const sigset_t *_RESTRICT_KYWD,
129 128 siginfo_t *_RESTRICT_KYWD);
130 129 extern int sigtimedwait(const sigset_t *_RESTRICT_KYWD,
131 130 siginfo_t *_RESTRICT_KYWD, const struct timespec *_RESTRICT_KYWD);
132 131 extern int sigqueue(pid_t, int, const union sigval);
133 132 #endif /* defined(__EXTENSIONS__) || (!defined(_STRICT_STDC) && */
134 133
135 -#else /* __STDC__ */
136 -
137 -extern char **_sys_siglistp; /* signal descriptions */
138 -extern int _sys_siglistn; /* # of signal descriptions */
139 -
140 -#if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX)
141 -#define _sys_siglist _sys_siglistp
142 -#define _sys_nsig _sys_siglistn
143 -#endif
144 -
145 -#if defined(__EXTENSIONS__) || defined(__XOPEN_OR_POSIX)
146 -extern int kill();
147 -extern int sigaction();
148 -#ifndef _KERNEL
149 -extern int sigaddset();
150 -extern int sigdelset();
151 -extern int sigemptyset();
152 -extern int sigfillset();
153 -extern int sigismember();
154 -#endif
155 -extern int sigpending();
156 -extern int sigprocmask();
157 -extern int sigsuspend();
158 -#endif /* defined(__EXTENSIONS__)... */
159 -
160 -#if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) || \
161 - defined(_XPG4_2)
162 -extern void (*bsd_signal())();
163 -extern int killpg();
164 -extern int siginterrupt();
165 -#endif /* defined(__EXTENSIONS__) ... */
166 -
167 -#if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) || \
168 - (defined(_XPG4_2) && !defined(_XPG6))
169 -extern int sigstack();
170 -#endif
171 -
172 -#if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX)
173 -extern int gsignal();
174 -extern int (*ssignal)();
175 -extern int sigsend();
176 -extern int sigsendset();
177 -extern int sig2str();
178 -extern int str2sig();
179 -#define SIG2STR_MAX 32
180 -#endif
181 -
182 -#if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) || \
183 - defined(_XPG4_2)
184 -extern int sigaltstack();
185 -extern int sighold();
186 -extern int sigignore();
187 -extern int sigpause();
188 -extern int sigrelse();
189 -extern void (*sigset())();
190 -#endif
191 -
192 -#if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) || \
193 - (_POSIX_C_SOURCE > 2)
194 -#include <sys/siginfo.h>
195 -#include <sys/time.h>
196 -extern int pthread_kill();
197 -extern int pthread_sigmask();
198 -extern int sigwaitinfo();
199 -extern int sigtimedwait();
200 -extern int sigqueue();
201 -#endif
202 -
203 -#endif /* __STDC__ */
204 -
205 134 /*
206 135 * sigwait() prototype is defined here.
207 136 */
208 137
209 138 #if defined(__EXTENSIONS__) || (!defined(_STRICT_STDC) && \
210 139 !defined(__XOPEN_OR_POSIX)) || (_POSIX_C_SOURCE - 0 >= 199506L) || \
211 140 defined(_POSIX_PTHREAD_SEMANTICS)
212 141
213 -#if defined(__STDC__)
214 -
215 142 #if (_POSIX_C_SOURCE - 0 >= 199506L) || defined(_POSIX_PTHREAD_SEMANTICS)
216 143
217 144 #ifdef __PRAGMA_REDEFINE_EXTNAME
218 145 #pragma redefine_extname sigwait __posix_sigwait
219 146 extern int sigwait(const sigset_t *_RESTRICT_KYWD, int *_RESTRICT_KYWD);
220 147 #else /* __PRAGMA_REDEFINE_EXTNAME */
221 148
222 149 extern int __posix_sigwait(const sigset_t *_RESTRICT_KYWD,
223 150 int *_RESTRICT_KYWD);
224 151
225 152 #ifdef __lint
226 153 #define sigwait __posix_sigwait
227 154 #else /* !__lint */
228 155
229 156 static int
230 157 sigwait(const sigset_t *_RESTRICT_KYWD __setp, int *_RESTRICT_KYWD __signo)
231 158 {
232 159 return (__posix_sigwait(__setp, __signo));
233 160 }
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234 161
235 162 #endif /* !__lint */
236 163 #endif /* __PRAGMA_REDEFINE_EXTNAME */
237 164
238 165 #else /* (_POSIX_C_SOURCE - 0 >= 199506L) || ... */
239 166
240 167 extern int sigwait(sigset_t *);
241 168
242 169 #endif /* (_POSIX_C_SOURCE - 0 >= 199506L) || ... */
243 170
244 -
245 -#else /* __STDC__ */
246 -
247 -
248 -#if (_POSIX_C_SOURCE - 0 >= 199506L) || defined(_POSIX_PTHREAD_SEMANTICS)
249 -
250 -#ifdef __PRAGMA_REDEFINE_EXTNAME
251 -#pragma redefine_extname sigwait __posix_sigwait
252 -extern int sigwait();
253 -#else /* __PRAGMA_REDEFINE_EXTNAME */
254 -
255 -extern int __posix_sigwait();
256 -
257 -#ifdef __lint
258 -#define sigwait __posix_sigwait
259 -#else /* !__lint */
260 -
261 -static int
262 -sigwait(__setp, __signo)
263 - sigset_t *__setp;
264 - int *__signo;
265 -{
266 - return (__posix_sigwait(__setp, __signo));
267 -}
268 -
269 -#endif /* !__lint */
270 -#endif /* __PRAGMA_REDEFINE_EXTNAME */
271 -
272 -#else /* (_POSIX_C_SOURCE - 0 >= 199506L) || ... */
273 -
274 -extern int sigwait();
275 -
276 -#endif /* (_POSIX_C_SOURCE - 0 >= 199506L) || ... */
277 -
278 -#endif /* __STDC__ */
279 -
280 171 #endif /* defined(__EXTENSIONS__) || (!defined(_STRICT_STDC) ... */
281 172
282 173 #ifdef __cplusplus
283 174 }
284 175 #endif
285 176
286 177 #endif /* _SIGNAL_H */
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