signal.h
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021:
022:
023: #ifndef _SIGNAL_H
024:
025: #if !defined __need_sig_atomic_t && !defined __need_sigset_t
026: # define _SIGNAL_H
027: #endif
028:
029: #include <features.h>
030:
031: __BEGIN_DECLS
032:
033: #include <bits/sigset.h>
034:
035:
036:
037: #if defined __need_sig_atomic_t || defined _SIGNAL_H
038: # ifndef __sig_atomic_t_defined
039: # define __sig_atomic_t_defined
040: __BEGIN_NAMESPACE_STD
041: typedef __sig_atomic_t sig_atomic_t;
042: __END_NAMESPACE_STD
043: # endif
044: # undef __need_sig_atomic_t
045: #endif
046:
047: #if defined __need_sigset_t || (defined _SIGNAL_H && defined __USE_POSIX)
048: # ifndef __sigset_t_defined
049: # define __sigset_t_defined
050: typedef __sigset_t sigset_t;
051: # endif
052: # undef __need_sigset_t
053: #endif
054:
055: #ifdef _SIGNAL_H
056:
057: #include <bits/types.h>
058: #include <bits/signum.h>
059:
060: #if defined __USE_XOPEN || defined __USE_XOPEN2K
061: # ifndef __pid_t_defined
062: typedef __pid_t pid_t;
063: # define __pid_t_defined
064: #endif
065: #ifdef __USE_XOPEN
066: # endif
067: # ifndef __uid_t_defined
068: typedef __uid_t uid_t;
069: # define __uid_t_defined
070: # endif
071: #endif
072:
073: #ifdef __USE_POSIX199309
074:
075: # define __need_timespec
076: # include <time.h>
077:
078:
079: # include <bits/siginfo.h>
080: #endif
081:
082:
083:
084: typedef void (*__sighandler_t) (int);
085:
086:
087:
088:
089: extern __sighandler_t __sysv_signal (int __sig, __sighandler_t __handler)
090: __THROW;
091: #ifdef __USE_GNU
092: extern __sighandler_t sysv_signal (int __sig, __sighandler_t __handler)
093: __THROW;
094: #endif
095:
096:
097:
098:
099: __BEGIN_NAMESPACE_STD
100: #ifdef __USE_BSD
101: extern __sighandler_t signal (int __sig, __sighandler_t __handler)
102: __THROW;
103: #else
104:
105: # ifdef __REDIRECT_NTH
106: extern __sighandler_t __REDIRECT_NTH (signal,
107: (int __sig, __sighandler_t __handler),
108: __sysv_signal);
109: # else
110: # define signal __sysv_signal
111: # endif
112: #endif
113: __END_NAMESPACE_STD
114:
115: #ifdef __USE_XOPEN
116:
117:
118: extern __sighandler_t bsd_signal (int __sig, __sighandler_t __handler)
119: __THROW;
120: #endif
121:
122:
123:
124:
125: #ifdef __USE_POSIX
126: extern int kill (__pid_t __pid, int __sig) __THROW;
127: #endif
128:
129: #if defined __USE_BSD || defined __USE_XOPEN_EXTENDED
130:
131:
132:
133: extern int killpg (__pid_t __pgrp, int __sig) __THROW;
134: #endif
135:
136: __BEGIN_NAMESPACE_STD
137:
138: extern int raise (int __sig) __THROW;
139: __END_NAMESPACE_STD
140:
141: #ifdef __USE_SVID
142:
143: extern __sighandler_t ssignal (int __sig, __sighandler_t __handler)
144: __THROW;
145: extern int gsignal (int __sig) __THROW;
146: #endif
147:
148: #if defined __USE_MISC || defined __USE_XOPEN2K
149:
150: extern void psignal (int __sig, __const char *__s);
151: #endif
152:
153: #ifdef __USE_XOPEN2K
154:
155: extern void psiginfo (__const siginfo_t *__pinfo, __const char *__s);
156: #endif
157:
158:
159:
160:
161:
162:
163:
164:
165:
166:
167:
168: extern int __sigpause (int __sig_or_mask, int __is_sig);
169:
170: #ifdef __FAVOR_BSD
171:
172:
173: extern int sigpause (int __mask) __THROW __attribute_deprecated__;
174: #else
175: # ifdef __USE_XOPEN
176: # ifdef __GNUC__
177: extern int sigpause (int __sig) __asm__ ("__xpg_sigpause");
178: # else
179:
180: # define sigpause(sig) __sigpause ((sig), 1)
181: # endif
182: # endif
183: #endif
184:
185:
186: #ifdef __USE_BSD
187:
188:
189:
190:
191:
192:
193: # define sigmask(sig) __sigmask(sig)
194:
195:
196: extern int sigblock (int __mask) __THROW __attribute_deprecated__;
197:
198:
199: extern int sigsetmask (int __mask) __THROW __attribute_deprecated__;
200:
201:
202: extern int siggetmask (void) __THROW __attribute_deprecated__;
203: #endif
204:
205:
206: #ifdef __USE_MISC
207: # define NSIG _NSIG
208: #endif
209:
210: #ifdef __USE_GNU
211: typedef __sighandler_t sighandler_t;
212: #endif
213:
214:
215: #ifdef __USE_BSD
216: typedef __sighandler_t sig_t;
217: #endif
218:
219: #ifdef __USE_POSIX
220:
221:
222: extern int sigemptyset (sigset_t *__set) __THROW __nonnull ((1));
223:
224:
225: extern int sigfillset (sigset_t *__set) __THROW __nonnull ((1));
226:
227:
228: extern int sigaddset (sigset_t *__set, int __signo) __THROW __nonnull ((1));
229:
230:
231: extern int sigdelset (sigset_t *__set, int __signo) __THROW __nonnull ((1));
232:
233:
234: extern int sigismember (__const sigset_t *__set, int __signo)
235: __THROW __nonnull ((1));
236:
237: # ifdef __USE_GNU
238:
239: extern int sigisemptyset (__const sigset_t *__set) __THROW __nonnull ((1));
240:
241:
242: extern int sigandset (sigset_t *__set, __const sigset_t *__left,
243: __const sigset_t *__right) __THROW __nonnull ((1, 2, 3));
244:
245:
246: extern int sigorset (sigset_t *__set, __const sigset_t *__left,
247: __const sigset_t *__right) __THROW __nonnull ((1, 2, 3));
248: # endif
249:
250:
251:
252: # include <bits/sigaction.h>
253:
254:
255: extern int sigprocmask (int __how, __const sigset_t *__restrict __set,
256: sigset_t *__restrict __oset) __THROW;
257:
258:
259:
260:
261:
262:
263: extern int sigsuspend (__const sigset_t *__set) __nonnull ((1));
264:
265:
266: extern int sigaction (int __sig, __const struct sigaction *__restrict __act,
267: struct sigaction *__restrict __oact) __THROW;
268:
269:
270: extern int sigpending (sigset_t *__set) __THROW __nonnull ((1));
271:
272:
273:
274:
275:
276:
277: extern int sigwait (__const sigset_t *__restrict __set, int *__restrict __sig)
278: __nonnull ((1, 2));
279:
280: # ifdef __USE_POSIX199309
281:
282:
283:
284:
285: extern int sigwaitinfo (__const sigset_t *__restrict __set,
286: siginfo_t *__restrict __info) __nonnull ((1));
287:
288:
289:
290:
291:
292:
293: extern int sigtimedwait (__const sigset_t *__restrict __set,
294: siginfo_t *__restrict __info,
295: __const struct timespec *__restrict __timeout)
296: __nonnull ((1));
297:
298:
299:
300: extern int sigqueue (__pid_t __pid, int __sig, __const union sigval __val)
301: __THROW;
302: # endif
303:
304: #endif
305:
306: #ifdef __USE_BSD
307:
308:
309:
310: extern __const char *__const _sys_siglist[_NSIG];
311: extern __const char *__const sys_siglist[_NSIG];
312:
313:
314: struct sigvec
315: {
316: __sighandler_t sv_handler;
317: int sv_mask;
318:
319: int sv_flags;
320: # define sv_onstack sv_flags
321: };
322:
323:
324: # define SV_ONSTACK (1 << 0)
325: # define SV_INTERRUPT (1 << 1)
326: # define SV_RESETHAND (1 << 2)
327:
328:
329:
330:
331:
332:
333:
334: extern int sigvec (int __sig, __const struct sigvec *__vec,
335: struct sigvec *__ovec) __THROW;
336:
337:
338:
339: # include <bits/sigcontext.h>
340:
341:
342: extern int sigreturn (struct sigcontext *__scp) __THROW;
343:
344: #endif
345:
346:
347: #if defined __USE_BSD || defined __USE_XOPEN_EXTENDED || defined __USE_XOPEN2K8
348: # define __need_size_t
349: # include <stddef.h>
350:
351:
352:
353:
354: extern int siginterrupt (int __sig, int __interrupt) __THROW;
355:
356: # include <bits/sigstack.h>
357: # if defined __USE_XOPEN || defined __USE_XOPEN2K8
358:
359: # include <sys/ucontext.h>
360: # endif
361:
362:
363:
364:
365: extern int sigstack (struct sigstack *__ss, struct sigstack *__oss)
366: __THROW __attribute_deprecated__;
367:
368:
369:
370: extern int sigaltstack (__const struct sigaltstack *__restrict __ss,
371: struct sigaltstack *__restrict __oss) __THROW;
372:
373: #endif
374:
375: #ifdef __USE_XOPEN_EXTENDED
376:
377:
378:
379: extern int sighold (int __sig) __THROW;
380:
381:
382: extern int sigrelse (int __sig) __THROW;
383:
384:
385: extern int sigignore (int __sig) __THROW;
386:
387:
388: extern __sighandler_t sigset (int __sig, __sighandler_t __disp) __THROW;
389: #endif
390:
391: #if defined __USE_POSIX199506 || defined __USE_UNIX98
392:
393:
394: # include <bits/pthreadtypes.h>
395: # include <bits/sigthread.h>
396: #endif
397:
398:
399:
400:
401:
402: extern int __libc_current_sigrtmin (void) __THROW;
403:
404: extern int __libc_current_sigrtmax (void) __THROW;
405:
406: #endif
407:
408: __END_DECLS
409:
410: #endif
411:
© Andrew Scott 2006 -
2024,
All Rights Reserved