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Comparing libev/ev++.h (file contents):
Revision 1.27 by llucax, Fri Jan 18 18:14:23 2008 UTC vs.
Revision 1.45 by root, Fri Jul 10 00:36:21 2009 UTC

1/* 1/*
2 * libev simple C++ wrapper classes 2 * libev simple C++ wrapper classes
3 * 3 *
4 * Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de> 4 * Copyright (c) 2007,2008 Marc Alexander Lehmann <libev@schmorp.de>
5 * All rights reserved. 5 * All rights reserved.
6 * 6 *
7 * Redistribution and use in source and binary forms, with or without modifica- 7 * Redistribution and use in source and binary forms, with or without modifica-
8 * tion, are permitted provided that the following conditions are met: 8 * tion, are permitted provided that the following conditions are met:
9 * 9 *
… …
44# include EV_H 44# include EV_H
45#else 45#else
46# include "ev.h" 46# include "ev.h"
47#endif 47#endif
48 48
49#ifndef EV_USE_STDEXCEPT
50# define EV_USE_STDEXCEPT 1
51#endif
52
53#if EV_USE_STDEXCEPT
54# include <stdexcept>
55#endif
56
49namespace ev { 57namespace ev {
50 58
51 typedef ev_tstamp tstamp; 59 typedef ev_tstamp tstamp;
52 60
53 enum { 61 enum
62 {
54 UNDEF = EV_UNDEF, 63 UNDEF = EV_UNDEF,
55 NONE = EV_NONE, 64 NONE = EV_NONE,
56 READ = EV_READ, 65 READ = EV_READ,
57 WRITE = EV_WRITE, 66 WRITE = EV_WRITE,
58 TIMEOUT = EV_TIMEOUT, 67 TIMEOUT = EV_TIMEOUT,
… …
62 STAT = EV_STAT, 71 STAT = EV_STAT,
63 IDLE = EV_IDLE, 72 IDLE = EV_IDLE,
64 CHECK = EV_CHECK, 73 CHECK = EV_CHECK,
65 PREPARE = EV_PREPARE, 74 PREPARE = EV_PREPARE,
66 FORK = EV_FORK, 75 FORK = EV_FORK,
76 ASYNC = EV_ASYNC,
67 EMBED = EV_EMBED, 77 EMBED = EV_EMBED,
78# undef ERROR // some systems stupidly #define ERROR
68 ERROR = EV_ERROR, 79 ERROR = EV_ERROR,
69 }; 80 };
70 81
71 enum 82 enum
72 { 83 {
73 AUTO = EVFLAG_AUTO, 84 AUTO = EVFLAG_AUTO,
74 NOENV = EVFLAG_NOENV, 85 NOENV = EVFLAG_NOENV,
75 FORKCHECK = EVFLAG_FORKCHECK, 86 FORKCHECK = EVFLAG_FORKCHECK,
87
76 SELECT = EVBACKEND_SELECT, 88 SELECT = EVBACKEND_SELECT,
77 POLL = EVBACKEND_POLL, 89 POLL = EVBACKEND_POLL,
78 EPOLL = EVBACKEND_EPOLL, 90 EPOLL = EVBACKEND_EPOLL,
79 KQUEUE = EVBACKEND_KQUEUE, 91 KQUEUE = EVBACKEND_KQUEUE,
80 DEVPOLL = EVBACKEND_DEVPOLL, 92 DEVPOLL = EVBACKEND_DEVPOLL,
81 PORT = EVBACKEND_PORT 93 PORT = EVBACKEND_PORT
82 }; 94 };
83 95
84 enum 96 enum
85 { 97 {
86 NONBLOCK = EVLOOP_NONBLOCK, 98 NONBLOCK = EVLOOP_NONBLOCK,
87 ONESHOT = EVLOOP_ONESHOT 99 ONESHOT = EVLOOP_ONESHOT
88 }; 100 };
89 101
90 enum how_t 102 enum how_t
91 { 103 {
92 ONE = EVUNLOOP_ONE, 104 ONE = EVUNLOOP_ONE,
93 ALL = EVUNLOOP_ALL 105 ALL = EVUNLOOP_ALL
94 }; 106 };
95 107
108 struct bad_loop
109#if EV_USE_STDEXCEPT
110 : std::runtime_error
111#endif
112 {
113#if EV_USE_STDEXCEPT
114 bad_loop ()
115 : std::runtime_error ("libev event loop cannot be initialized, bad value of LIBEV_FLAGS?")
116 {
117 }
118#endif
119 };
120
121#ifdef EV_AX
122# undef EV_AX
123#endif
124
125#ifdef EV_AX_
126# undef EV_AX_
127#endif
128
129#if EV_MULTIPLICITY
130# define EV_AX raw_loop
131# define EV_AX_ raw_loop,
132#else
133# define EV_AX
134# define EV_AX_
135#endif
136
137 struct loop_ref
138 {
139 loop_ref (EV_P) throw ()
140#if EV_MULTIPLICITY
141 : EV_AX (EV_A)
142#endif
143 {
144 }
145
146 bool operator == (const loop_ref &other) const throw ()
147 {
148#if EV_MULTIPLICITY
149 return EV_AX == other.EV_AX;
150#else
151 return true;
152#endif
153 }
154
155 bool operator != (const loop_ref &other) const throw ()
156 {
157#if EV_MULTIPLICITY
158 return ! (*this == other);
159#else
160 return false;
161#endif
162 }
163
164#if EV_MULTIPLICITY
165 bool operator == (const EV_P) const throw ()
166 {
167 return this->EV_AX == EV_A;
168 }
169
170 bool operator != (const EV_P) const throw ()
171 {
172 return (*this == EV_A);
173 }
174
175 operator struct ev_loop * () const throw ()
176 {
177 return EV_AX;
178 }
179
180 operator const struct ev_loop * () const throw ()
181 {
182 return EV_AX;
183 }
184
185 bool is_default () const throw ()
186 {
187 return EV_AX == ev_default_loop (0);
188 }
189#endif
190
191 void loop (int flags = 0)
192 {
193 ev_loop (EV_AX_ flags);
194 }
195
196 void unloop (how_t how = ONE) throw ()
197 {
198 ev_unloop (EV_AX_ how);
199 }
200
201 void post_fork () throw ()
202 {
203#if EV_MULTIPLICITY
204 ev_loop_fork (EV_AX);
205#else
206 ev_default_fork ();
207#endif
208 }
209
210 unsigned int backend () const throw ()
211 {
212 return ev_backend (EV_AX);
213 }
214
215 tstamp now () const throw ()
216 {
217 return ev_now (EV_AX);
218 }
219
220 void ref () throw ()
221 {
222 ev_ref (EV_AX);
223 }
224
225 void unref () throw ()
226 {
227 ev_unref (EV_AX);
228 }
229
230#if EV_MINIMAL < 2
231 unsigned int count () const throw ()
232 {
233 return ev_loop_count (EV_AX);
234 }
235
236 unsigned int depth () const throw ()
237 {
238 return ev_loop_depth (EV_AX);
239 }
240
241 void set_io_collect_interval (tstamp interval) throw ()
242 {
243 ev_set_io_collect_interval (EV_AX_ interval);
244 }
245
246 void set_timeout_collect_interval (tstamp interval) throw ()
247 {
248 ev_set_timeout_collect_interval (EV_AX_ interval);
249 }
250#endif
251
252 // function callback
253 void once (int fd, int events, tstamp timeout, void (*cb)(int, void *), void *arg = 0) throw ()
254 {
255 ev_once (EV_AX_ fd, events, timeout, cb, arg);
256 }
257
258 // method callback
259 template<class K, void (K::*method)(int)>
260 void once (int fd, int events, tstamp timeout, K *object) throw ()
261 {
262 once (fd, events, timeout, method_thunk<K, method>, object);
263 }
264
265 // default method == operator ()
266 template<class K>
267 void once (int fd, int events, tstamp timeout, K *object) throw ()
268 {
269 once (fd, events, timeout, method_thunk<K, &K::operator ()>, object);
270 }
271
272 template<class K, void (K::*method)(int)>
273 static void method_thunk (int revents, void *arg)
274 {
275 static_cast<K *>(arg)->*method
276 (revents);
277 }
278
279 // no-argument method callback
280 template<class K, void (K::*method)()>
281 void once (int fd, int events, tstamp timeout, K *object) throw ()
282 {
283 once (fd, events, timeout, method_noargs_thunk<K, method>, object);
284 }
285
286 template<class K, void (K::*method)()>
287 static void method_noargs_thunk (int revents, void *arg)
288 {
289 static_cast<K *>(arg)->*method
290 ();
291 }
292
293 // simpler function callback
294 template<void (*cb)(int)>
295 void once (int fd, int events, tstamp timeout) throw ()
296 {
297 once (fd, events, timeout, simpler_func_thunk<cb>);
298 }
299
300 template<void (*cb)(int)>
301 static void simpler_func_thunk (int revents, void *arg)
302 {
303 (*cb)
304 (revents);
305 }
306
307 // simplest function callback
308 template<void (*cb)()>
309 void once (int fd, int events, tstamp timeout) throw ()
310 {
311 once (fd, events, timeout, simplest_func_thunk<cb>);
312 }
313
314 template<void (*cb)()>
315 static void simplest_func_thunk (int revents, void *arg)
316 {
317 (*cb)
318 ();
319 }
320
321 void feed_fd_event (int fd, int revents) throw ()
322 {
323 ev_feed_fd_event (EV_AX_ fd, revents);
324 }
325
326 void feed_signal_event (int signum) throw ()
327 {
328 ev_feed_signal_event (EV_AX_ signum);
329 }
330
331#if EV_MULTIPLICITY
332 struct ev_loop* EV_AX;
333#endif
334
335 };
336
337#if EV_MULTIPLICITY
338 struct dynamic_loop : loop_ref
339 {
340
341 dynamic_loop (unsigned int flags = AUTO) throw (bad_loop)
342 : loop_ref (ev_loop_new (flags))
343 {
344 if (!EV_AX)
345 throw bad_loop ();
346 }
347
348 ~dynamic_loop () throw ()
349 {
350 ev_loop_destroy (EV_AX);
351 EV_AX = 0;
352 }
353
354 private:
355
356 dynamic_loop (const dynamic_loop &);
357
358 dynamic_loop & operator= (const dynamic_loop &);
359
360 };
361#endif
362
363 struct default_loop : loop_ref
364 {
365 default_loop (unsigned int flags = AUTO) throw (bad_loop)
366#if EV_MULTIPLICITY
367 : loop_ref (ev_default_loop (flags))
368#endif
369 {
370 if (
371#if EV_MULTIPLICITY
372 !EV_AX
373#else
374 !ev_default_loop (flags)
375#endif
376 )
377 throw bad_loop ();
378 }
379
380 ~default_loop () throw ()
381 {
382 ev_default_destroy ();
383 }
384
385 private:
386 default_loop (const default_loop &);
387 default_loop &operator = (const default_loop &);
388 };
389
390 inline loop_ref get_default_loop () throw ()
391 {
392#if EV_MULTIPLICITY
393 return ev_default_loop (0);
394#else
395 return loop_ref ();
396#endif
397 }
398
399#undef EV_AX
400#undef EV_AX_
401
402#undef EV_PX
403#undef EV_PX_
404#if EV_MULTIPLICITY
405# define EV_PX loop_ref EV_A
406# define EV_PX_ loop_ref EV_A_
407#else
408# define EV_PX
409# define EV_PX_
410#endif
411
96 template<class ev_watcher, class watcher> 412 template<class ev_watcher, class watcher>
97 struct base : ev_watcher 413 struct base : ev_watcher
98 { 414 {
99 #if EV_MULTIPLICITY 415 #if EV_MULTIPLICITY
100 EV_P; 416 EV_PX;
101 417
102 void set (EV_P) 418 void set (EV_P) throw ()
103 { 419 {
104 this->EV_A = EV_A; 420 this->EV_A = EV_A;
105 } 421 }
106 #endif 422 #endif
107 423
108 base () 424 base (EV_PX) throw ()
425 #if EV_MULTIPLICITY
426 : EV_A (EV_A)
427 #endif
109 { 428 {
110 ev_init (this, 0); 429 ev_init (this, 0);
111 } 430 }
112 431
113 void set_ (void *data, void (*cb)(EV_P_ ev_watcher *w, int revents)) 432 void set_ (const void *data, void (*cb)(EV_P_ ev_watcher *w, int revents)) throw ()
114 { 433 {
115 this->data = data; 434 this->data = (void *)data;
116 ev_set_cb (static_cast<ev_watcher *>(this), cb); 435 ev_set_cb (static_cast<ev_watcher *>(this), cb);
436 }
437
438 // function callback
439 template<void (*function)(watcher &w, int)>
440 void set (void *data = 0) throw ()
441 {
442 set_ (data, function_thunk<function>);
443 }
444
445 template<void (*function)(watcher &w, int)>
446 static void function_thunk (EV_P_ ev_watcher *w, int revents)
447 {
448 function
449 (*static_cast<watcher *>(w), revents);
117 } 450 }
118 451
119 // method callback 452 // method callback
120 template<class K, void (K::*method)(watcher &w, int)> 453 template<class K, void (K::*method)(watcher &w, int)>
121 void set (K *object) 454 void set (K *object) throw ()
122 { 455 {
123 set_ (object, method_thunk<K, method>); 456 set_ (object, method_thunk<K, method>);
457 }
458
459 // default method == operator ()
460 template<class K>
461 void set (K *object) throw ()
462 {
463 set_ (object, method_thunk<K, &K::operator ()>);
124 } 464 }
125 465
126 template<class K, void (K::*method)(watcher &w, int)> 466 template<class K, void (K::*method)(watcher &w, int)>
127 static void method_thunk (EV_P_ ev_watcher *w, int revents) 467 static void method_thunk (EV_P_ ev_watcher *w, int revents)
128 { 468 {
129 K *obj = static_cast<K *>(w->data); 469 (static_cast<K *>(w->data)->*method)
130 (obj->*method) (*static_cast<watcher *>(w), revents);
131 }
132
133 // const method callback
134 template<class K, void (K::*method)(watcher &w, int) const>
135 void set (const K *object)
136 {
137 set_ (object, const_method_thunk<K, method>);
138 }
139
140 template<class K, void (K::*method)(watcher &w, int) const>
141 static void const_method_thunk (EV_P_ ev_watcher *w, int revents)
142 {
143 K *obj = static_cast<K *>(w->data);
144 (static_cast<K *>(w->data)->*method) (*static_cast<watcher *>(w), revents);
145 }
146
147 // function callback
148 template<void (*function)(watcher &w, int)>
149 void set (void *data = 0)
150 {
151 set_ (data, function_thunk<function>);
152 }
153
154 template<void (*function)(watcher &w, int)>
155 static void function_thunk (EV_P_ ev_watcher *w, int revents)
156 {
157 function (*static_cast<watcher *>(w), revents); 470 (*static_cast<watcher *>(w), revents);
158 } 471 }
159 472
160 // simple callback 473 // no-argument callback
161 template<class K, void (K::*method)()> 474 template<class K, void (K::*method)()>
162 void set (K *object) 475 void set (K *object) throw ()
163 { 476 {
164 set_ (object, method_noargs_thunk<K, method>); 477 set_ (object, method_noargs_thunk<K, method>);
165 } 478 }
166 479
167 template<class K, void (K::*method)()> 480 template<class K, void (K::*method)()>
168 static void method_noargs_thunk (EV_P_ ev_watcher *w, int revents) 481 static void method_noargs_thunk (EV_P_ ev_watcher *w, int revents)
169 { 482 {
170 K *obj = static_cast<K *>(w->data); 483 static_cast<K *>(w->data)->*method
171 (obj->*method) (); 484 ();
172 } 485 }
173 486
174 void operator ()(int events = EV_UNDEF) 487 void operator ()(int events = EV_UNDEF)
175 { 488 {
489 return
176 return ev_cb (static_cast<ev_watcher *>(this)) 490 ev_cb (static_cast<ev_watcher *>(this))
177 (static_cast<ev_watcher *>(this), events); 491 (static_cast<ev_watcher *>(this), events);
178 } 492 }
179 493
180 bool is_active () const 494 bool is_active () const throw ()
181 { 495 {
182 return ev_is_active (static_cast<const ev_watcher *>(this)); 496 return ev_is_active (static_cast<const ev_watcher *>(this));
183 } 497 }
184 498
185 bool is_pending () const 499 bool is_pending () const throw ()
186 { 500 {
187 return ev_is_pending (static_cast<const ev_watcher *>(this)); 501 return ev_is_pending (static_cast<const ev_watcher *>(this));
188 } 502 }
189 503
190 void feed_event (int revents) 504 void feed_event (int revents) throw ()
191 { 505 {
192 ev_feed_event (EV_A_ static_cast<const ev_watcher *>(this), revents); 506 ev_feed_event (EV_A_ static_cast<const ev_watcher *>(this), revents);
193 } 507 }
194 }; 508 };
195 509
510 inline tstamp now () throw ()
511 {
512 return ev_time ();
513 }
514
196 inline void delay (tstamp interval) 515 inline void delay (tstamp interval) throw ()
197 { 516 {
198 ev_sleep (interval); 517 ev_sleep (interval);
199 } 518 }
200 519
201 inline int version_major () 520 inline int version_major () throw ()
202 { 521 {
203 return ev_version_major (); 522 return ev_version_major ();
204 } 523 }
205 524
206 inline int version_minor () 525 inline int version_minor () throw ()
207 { 526 {
208 return ev_version_minor (); 527 return ev_version_minor ();
209 } 528 }
210 529
211 inline unsigned int supported_backends () 530 inline unsigned int supported_backends () throw ()
212 { 531 {
213 return ev_supported_backends (); 532 return ev_supported_backends ();
214 } 533 }
215 534
216 inline unsigned int recommended_backends () 535 inline unsigned int recommended_backends () throw ()
217 { 536 {
218 return ev_recommended_backends (); 537 return ev_recommended_backends ();
219 } 538 }
220 539
221 inline unsigned int embeddable_backends () 540 inline unsigned int embeddable_backends () throw ()
222 { 541 {
223 return ev_embeddable_backends (); 542 return ev_embeddable_backends ();
224 } 543 }
225 544
226 inline void set_allocator (void *(*cb)(void *ptr, long size)) 545 inline void set_allocator (void *(*cb)(void *ptr, long size)) throw ()
227 { 546 {
228 ev_set_allocator (cb); 547 ev_set_allocator (cb);
229 } 548 }
230 549
231 inline void set_syserr_cb (void (*cb)(const char *msg)) 550 inline void set_syserr_cb (void (*cb)(const char *msg)) throw ()
232 { 551 {
233 ev_set_syserr_cb (cb); 552 ev_set_syserr_cb (cb);
234 } 553 }
235 554
236
237 inline ev_tstamp now (EV_P)
238 {
239 return ev_now (EV_A);
240 }
241
242 #if EV_MULTIPLICITY 555 #if EV_MULTIPLICITY
243 #define EV_CONSTRUCT \ 556 #define EV_CONSTRUCT(cppstem,cstem) \
244 (EV_P = EV_DEFAULT) \ 557 (EV_PX = get_default_loop ()) throw () \
558 : base<ev_ ## cstem, cppstem> (EV_A) \
245 { \ 559 { \
246 set (EV_A); \
247 } 560 }
248 #else 561 #else
249 #define EV_CONSTRUCT \ 562 #define EV_CONSTRUCT(cppstem,cstem) \
250 () \ 563 () throw () \
251 { \ 564 { \
252 } 565 }
253 #endif 566 #endif
254 567
255 /* using a template here would require quite a bit more lines, 568 /* using a template here would require quite a bit more lines,
256 * so a macro solution was chosen */ 569 * so a macro solution was chosen */
257 #define EV_BEGIN_WATCHER(cppstem,cstem) \ 570 #define EV_BEGIN_WATCHER(cppstem,cstem) \
258 \ 571 \
259 struct cppstem : base<ev_ ## cstem, cppstem> \ 572 struct cppstem : base<ev_ ## cstem, cppstem> \
260 { \ 573 { \
261 void start () \ 574 void start () throw () \
262 { \ 575 { \
263 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 576 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \
264 } \ 577 } \
265 \ 578 \
266 void stop () \ 579 void stop () throw () \
267 { \ 580 { \
268 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 581 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \
269 } \ 582 } \
270 \ 583 \
271 cppstem EV_CONSTRUCT \ 584 cppstem EV_CONSTRUCT(cppstem,cstem) \
272 \ 585 \
273 ~cppstem () \ 586 ~cppstem () throw () \
274 { \ 587 { \
275 stop (); \ 588 stop (); \
276 } \ 589 } \
277 \ 590 \
278 using base<ev_ ## cstem, cppstem>::set; \ 591 using base<ev_ ## cstem, cppstem>::set; \
279 \ 592 \
280 private: \ 593 private: \
281 \ 594 \
282 cppstem (const cppstem &o); \ 595 cppstem (const cppstem &o); \
283 \ 596 \
284 cppstem & operator =(const cppstem &o); \ 597 cppstem &operator =(const cppstem &o); \
285 \ 598 \
286 public: 599 public:
287 600
288 #define EV_END_WATCHER(cppstem,cstem) \ 601 #define EV_END_WATCHER(cppstem,cstem) \
289 }; 602 };
290 603
291 EV_BEGIN_WATCHER (io, io) 604 EV_BEGIN_WATCHER (io, io)
292 void set (int fd, int events) 605 void set (int fd, int events) throw ()
293 { 606 {
294 int active = is_active (); 607 int active = is_active ();
295 if (active) stop (); 608 if (active) stop ();
296 ev_io_set (static_cast<ev_io *>(this), fd, events); 609 ev_io_set (static_cast<ev_io *>(this), fd, events);
297 if (active) start (); 610 if (active) start ();
298 } 611 }
299 612
300 void set (int events) 613 void set (int events) throw ()
301 { 614 {
302 int active = is_active (); 615 int active = is_active ();
303 if (active) stop (); 616 if (active) stop ();
304 ev_io_set (static_cast<ev_io *>(this), fd, events); 617 ev_io_set (static_cast<ev_io *>(this), fd, events);
305 if (active) start (); 618 if (active) start ();
306 } 619 }
307 620
308 void start (int fd, int events) 621 void start (int fd, int events) throw ()
309 { 622 {
310 set (fd, events); 623 set (fd, events);
311 start (); 624 start ();
312 } 625 }
313 EV_END_WATCHER (io, io) 626 EV_END_WATCHER (io, io)
314 627
315 EV_BEGIN_WATCHER (timer, timer) 628 EV_BEGIN_WATCHER (timer, timer)
316 void set (ev_tstamp after, ev_tstamp repeat = 0.) 629 void set (ev_tstamp after, ev_tstamp repeat = 0.) throw ()
317 { 630 {
318 int active = is_active (); 631 int active = is_active ();
319 if (active) stop (); 632 if (active) stop ();
320 ev_timer_set (static_cast<ev_timer *>(this), after, repeat); 633 ev_timer_set (static_cast<ev_timer *>(this), after, repeat);
321 if (active) start (); 634 if (active) start ();
322 } 635 }
323 636
324 void start (ev_tstamp after, ev_tstamp repeat = 0.) 637 void start (ev_tstamp after, ev_tstamp repeat = 0.) throw ()
325 { 638 {
326 set (after, repeat); 639 set (after, repeat);
327 start (); 640 start ();
328 } 641 }
329 642
330 void again () 643 void again () throw ()
331 { 644 {
332 ev_timer_again (EV_A_ static_cast<ev_timer *>(this)); 645 ev_timer_again (EV_A_ static_cast<ev_timer *>(this));
333 } 646 }
334 EV_END_WATCHER (timer, timer) 647 EV_END_WATCHER (timer, timer)
335 648
336 #if EV_PERIODIC_ENABLE 649 #if EV_PERIODIC_ENABLE
337 EV_BEGIN_WATCHER (periodic, periodic) 650 EV_BEGIN_WATCHER (periodic, periodic)
338 void set (ev_tstamp at, ev_tstamp interval = 0.) 651 void set (ev_tstamp at, ev_tstamp interval = 0.) throw ()
339 { 652 {
340 int active = is_active (); 653 int active = is_active ();
341 if (active) stop (); 654 if (active) stop ();
342 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0); 655 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0);
343 if (active) start (); 656 if (active) start ();
344 } 657 }
345 658
346 void start (ev_tstamp at, ev_tstamp interval = 0.) 659 void start (ev_tstamp at, ev_tstamp interval = 0.) throw ()
347 { 660 {
348 set (at, interval); 661 set (at, interval);
349 start (); 662 start ();
350 } 663 }
351 664
352 void again () 665 void again () throw ()
353 { 666 {
354 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this)); 667 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this));
355 } 668 }
356 EV_END_WATCHER (periodic, periodic) 669 EV_END_WATCHER (periodic, periodic)
357 #endif 670 #endif
358 671
359 EV_BEGIN_WATCHER (sig, signal) 672 EV_BEGIN_WATCHER (sig, signal)
360 void set (int signum) 673 void set (int signum) throw ()
361 { 674 {
362 int active = is_active (); 675 int active = is_active ();
363 if (active) stop (); 676 if (active) stop ();
364 ev_signal_set (static_cast<ev_signal *>(this), signum); 677 ev_signal_set (static_cast<ev_signal *>(this), signum);
365 if (active) start (); 678 if (active) start ();
366 } 679 }
367 680
368 void start (int signum) 681 void start (int signum) throw ()
369 { 682 {
370 set (signum); 683 set (signum);
371 start (); 684 start ();
372 } 685 }
373 EV_END_WATCHER (sig, signal) 686 EV_END_WATCHER (sig, signal)
374 687
375 EV_BEGIN_WATCHER (child, child) 688 EV_BEGIN_WATCHER (child, child)
376 void set (int pid) 689 void set (int pid, int trace = 0) throw ()
377 { 690 {
378 int active = is_active (); 691 int active = is_active ();
379 if (active) stop (); 692 if (active) stop ();
380 ev_child_set (static_cast<ev_child *>(this), pid); 693 ev_child_set (static_cast<ev_child *>(this), pid, trace);
381 if (active) start (); 694 if (active) start ();
382 } 695 }
383 696
384 void start (int pid) 697 void start (int pid, int trace = 0) throw ()
385 { 698 {
386 set (pid); 699 set (pid, trace);
387 start (); 700 start ();
388 } 701 }
389 EV_END_WATCHER (child, child) 702 EV_END_WATCHER (child, child)
390 703
391 #if EV_STAT_ENABLE 704 #if EV_STAT_ENABLE
392 EV_BEGIN_WATCHER (stat, stat) 705 EV_BEGIN_WATCHER (stat, stat)
393 void set (const char *path, ev_tstamp interval = 0.) 706 void set (const char *path, ev_tstamp interval = 0.) throw ()
394 { 707 {
395 int active = is_active (); 708 int active = is_active ();
396 if (active) stop (); 709 if (active) stop ();
397 ev_stat_set (static_cast<ev_stat *>(this), path, interval); 710 ev_stat_set (static_cast<ev_stat *>(this), path, interval);
398 if (active) start (); 711 if (active) start ();
399 } 712 }
400 713
401 void start (const char *path, ev_tstamp interval = 0.) 714 void start (const char *path, ev_tstamp interval = 0.) throw ()
402 { 715 {
403 stop (); 716 stop ();
404 set (path, interval); 717 set (path, interval);
405 start (); 718 start ();
406 } 719 }
407 720
408 void update () 721 void update () throw ()
409 { 722 {
410 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this)); 723 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this));
411 } 724 }
412 EV_END_WATCHER (stat, stat) 725 EV_END_WATCHER (stat, stat)
413 #endif 726 #endif
414 727
415 EV_BEGIN_WATCHER (idle, idle) 728 EV_BEGIN_WATCHER (idle, idle)
416 void set () { } 729 void set () throw () { }
417 EV_END_WATCHER (idle, idle) 730 EV_END_WATCHER (idle, idle)
418 731
419 EV_BEGIN_WATCHER (prepare, prepare) 732 EV_BEGIN_WATCHER (prepare, prepare)
420 void set () { } 733 void set () throw () { }
421 EV_END_WATCHER (prepare, prepare) 734 EV_END_WATCHER (prepare, prepare)
422 735
423 EV_BEGIN_WATCHER (check, check) 736 EV_BEGIN_WATCHER (check, check)
424 void set () { } 737 void set () throw () { }
425 EV_END_WATCHER (check, check) 738 EV_END_WATCHER (check, check)
426 739
427 #if EV_EMBED_ENABLE 740 #if EV_EMBED_ENABLE
428 EV_BEGIN_WATCHER (embed, embed) 741 EV_BEGIN_WATCHER (embed, embed)
429 void start (struct ev_loop *embedded_loop) 742 void set (struct ev_loop *embedded_loop) throw ()
430 { 743 {
431 stop (); 744 int active = is_active ();
745 if (active) stop ();
432 ev_embed_set (static_cast<ev_embed *>(this), embedded_loop); 746 ev_embed_set (static_cast<ev_embed *>(this), embedded_loop);
747 if (active) start ();
748 }
749
750 void start (struct ev_loop *embedded_loop) throw ()
751 {
752 set (embedded_loop);
433 start (); 753 start ();
434 } 754 }
435 755
436 void sweep () 756 void sweep ()
437 { 757 {
… …
440 EV_END_WATCHER (embed, embed) 760 EV_END_WATCHER (embed, embed)
441 #endif 761 #endif
442 762
443 #if EV_FORK_ENABLE 763 #if EV_FORK_ENABLE
444 EV_BEGIN_WATCHER (fork, fork) 764 EV_BEGIN_WATCHER (fork, fork)
445 void set () { } 765 void set () throw () { }
446 EV_END_WATCHER (fork, fork) 766 EV_END_WATCHER (fork, fork)
447 #endif 767 #endif
448 768
769 #if EV_ASYNC_ENABLE
770 EV_BEGIN_WATCHER (async, async)
771 void set () throw () { }
772
773 void send () throw ()
774 {
775 ev_async_send (EV_A_ static_cast<ev_async *>(this));
776 }
777
778 bool async_pending () throw ()
779 {
780 return ev_async_pending (static_cast<ev_async *>(this));
781 }
782 EV_END_WATCHER (async, async)
783 #endif
784
785 #undef EV_PX
786 #undef EV_PX_
449 #undef EV_CONSTRUCT 787 #undef EV_CONSTRUCT
450 #undef EV_BEGIN_WATCHER 788 #undef EV_BEGIN_WATCHER
451 #undef EV_END_WATCHER 789 #undef EV_END_WATCHER
452} 790}
453 791

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