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Comparing libev/ev++.h (file contents):
Revision 1.22 by root, Thu Jan 10 06:00:55 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 template<class ev_watcher, class watcher> 59 typedef ev_tstamp tstamp;
52 struct base : ev_watcher
53 {
54 #if EV_MULTIPLICITY
55 EV_P;
56 60
57 void set (EV_P)
58 {
59 this->EV_A = EV_A;
60 }
61 #endif
62
63 base ()
64 {
65 ev_init (this, 0);
66 }
67
68 void set_ (void *data, void (*cb)(EV_P_ ev_watcher *w, int revents))
69 {
70 this->data = data;
71 ev_set_cb (static_cast<ev_watcher *>(this), cb);
72 }
73
74 // method callback
75 template<class K, void (K::*method)(watcher &w, int)>
76 void set (K *object)
77 {
78 set_ (object, method_thunk<K, method>);
79 }
80
81 template<class K, void (K::*method)(watcher &w, int)>
82 static void method_thunk (EV_P_ ev_watcher *w, int revents)
83 {
84 K *obj = static_cast<K *>(w->data);
85 (obj->*method) (*static_cast<watcher *>(w), revents);
86 }
87
88 // const method callback
89 template<class K, void (K::*method)(watcher &w, int) const>
90 void set (const K *object)
91 {
92 set_ (object, const_method_thunk<K, method>);
93 }
94
95 template<class K, void (K::*method)(watcher &w, int) const>
96 static void const_method_thunk (EV_P_ ev_watcher *w, int revents)
97 {
98 K *obj = static_cast<K *>(w->data);
99 (static_cast<K *>(w->data)->*method) (*static_cast<watcher *>(w), revents);
100 }
101
102 // function callback
103 template<void (*function)(watcher &w, int)>
104 void set (void *data = 0)
105 {
106 set_ (data, function_thunk<function>);
107 }
108
109 template<void (*function)(watcher &w, int)>
110 static void function_thunk (EV_P_ ev_watcher *w, int revents)
111 {
112 function (*static_cast<watcher *>(w), revents);
113 }
114
115 // simple callback
116 template<class K, void (K::*method)()>
117 void set (K *object)
118 {
119 set_ (object, method_noargs_thunk<K, method>);
120 }
121
122 template<class K, void (K::*method)()>
123 static void method_noargs_thunk (EV_P_ ev_watcher *w, int revents)
124 {
125 K *obj = static_cast<K *>(w->data);
126 (obj->*method) ();
127 }
128
129 void operator ()(int events = EV_UNDEF)
130 {
131 return ev_cb (static_cast<ev_watcher *>(this))
132 (static_cast<ev_watcher *>(this), events);
133 }
134
135 bool is_active () const
136 {
137 return ev_is_active (static_cast<const ev_watcher *>(this));
138 }
139
140 bool is_pending () const
141 {
142 return ev_is_pending (static_cast<const ev_watcher *>(this));
143 }
144 };
145
146 enum { 61 enum
62 {
147 UNDEF = EV_UNDEF, 63 UNDEF = EV_UNDEF,
148 NONE = EV_NONE, 64 NONE = EV_NONE,
149 READ = EV_READ, 65 READ = EV_READ,
150 WRITE = EV_WRITE, 66 WRITE = EV_WRITE,
151 TIMEOUT = EV_TIMEOUT, 67 TIMEOUT = EV_TIMEOUT,
… …
155 STAT = EV_STAT, 71 STAT = EV_STAT,
156 IDLE = EV_IDLE, 72 IDLE = EV_IDLE,
157 CHECK = EV_CHECK, 73 CHECK = EV_CHECK,
158 PREPARE = EV_PREPARE, 74 PREPARE = EV_PREPARE,
159 FORK = EV_FORK, 75 FORK = EV_FORK,
76 ASYNC = EV_ASYNC,
160 EMBED = EV_EMBED, 77 EMBED = EV_EMBED,
78# undef ERROR // some systems stupidly #define ERROR
161 ERROR = EV_ERROR, 79 ERROR = EV_ERROR,
162 }; 80 };
163 81
164 typedef ev_tstamp tstamp; 82 enum
83 {
84 AUTO = EVFLAG_AUTO,
85 NOENV = EVFLAG_NOENV,
86 FORKCHECK = EVFLAG_FORKCHECK,
165 87
166 inline ev_tstamp now (EV_P) 88 SELECT = EVBACKEND_SELECT,
89 POLL = EVBACKEND_POLL,
90 EPOLL = EVBACKEND_EPOLL,
91 KQUEUE = EVBACKEND_KQUEUE,
92 DEVPOLL = EVBACKEND_DEVPOLL,
93 PORT = EVBACKEND_PORT
94 };
95
96 enum
97 {
98 NONBLOCK = EVLOOP_NONBLOCK,
99 ONESHOT = EVLOOP_ONESHOT
100 };
101
102 enum how_t
103 {
104 ONE = EVUNLOOP_ONE,
105 ALL = EVUNLOOP_ALL
106 };
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?")
167 { 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 {
168 return ev_now (EV_A); 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
412 template<class ev_watcher, class watcher>
413 struct base : ev_watcher
414 {
415 #if EV_MULTIPLICITY
416 EV_PX;
417
418 void set (EV_P) throw ()
419 {
420 this->EV_A = EV_A;
421 }
422 #endif
423
424 base (EV_PX) throw ()
425 #if EV_MULTIPLICITY
426 : EV_A (EV_A)
427 #endif
428 {
429 ev_init (this, 0);
430 }
431
432 void set_ (const void *data, void (*cb)(EV_P_ ev_watcher *w, int revents)) throw ()
433 {
434 this->data = (void *)data;
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);
450 }
451
452 // method callback
453 template<class K, void (K::*method)(watcher &w, int)>
454 void set (K *object) throw ()
455 {
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 ()>);
464 }
465
466 template<class K, void (K::*method)(watcher &w, int)>
467 static void method_thunk (EV_P_ ev_watcher *w, int revents)
468 {
469 (static_cast<K *>(w->data)->*method)
470 (*static_cast<watcher *>(w), revents);
471 }
472
473 // no-argument callback
474 template<class K, void (K::*method)()>
475 void set (K *object) throw ()
476 {
477 set_ (object, method_noargs_thunk<K, method>);
478 }
479
480 template<class K, void (K::*method)()>
481 static void method_noargs_thunk (EV_P_ ev_watcher *w, int revents)
482 {
483 static_cast<K *>(w->data)->*method
484 ();
485 }
486
487 void operator ()(int events = EV_UNDEF)
488 {
489 return
490 ev_cb (static_cast<ev_watcher *>(this))
491 (static_cast<ev_watcher *>(this), events);
492 }
493
494 bool is_active () const throw ()
495 {
496 return ev_is_active (static_cast<const ev_watcher *>(this));
497 }
498
499 bool is_pending () const throw ()
500 {
501 return ev_is_pending (static_cast<const ev_watcher *>(this));
502 }
503
504 void feed_event (int revents) throw ()
505 {
506 ev_feed_event (EV_A_ static_cast<const ev_watcher *>(this), revents);
507 }
508 };
509
510 inline tstamp now () throw ()
511 {
512 return ev_time ();
513 }
514
515 inline void delay (tstamp interval) throw ()
516 {
517 ev_sleep (interval);
518 }
519
520 inline int version_major () throw ()
521 {
522 return ev_version_major ();
523 }
524
525 inline int version_minor () throw ()
526 {
527 return ev_version_minor ();
528 }
529
530 inline unsigned int supported_backends () throw ()
531 {
532 return ev_supported_backends ();
533 }
534
535 inline unsigned int recommended_backends () throw ()
536 {
537 return ev_recommended_backends ();
538 }
539
540 inline unsigned int embeddable_backends () throw ()
541 {
542 return ev_embeddable_backends ();
543 }
544
545 inline void set_allocator (void *(*cb)(void *ptr, long size)) throw ()
546 {
547 ev_set_allocator (cb);
548 }
549
550 inline void set_syserr_cb (void (*cb)(const char *msg)) throw ()
551 {
552 ev_set_syserr_cb (cb);
169 } 553 }
170 554
171 #if EV_MULTIPLICITY 555 #if EV_MULTIPLICITY
172 #define EV_CONSTRUCT \ 556 #define EV_CONSTRUCT(cppstem,cstem) \
173 (EV_P = EV_DEFAULT) \ 557 (EV_PX = get_default_loop ()) throw () \
558 : base<ev_ ## cstem, cppstem> (EV_A) \
174 { \ 559 { \
175 set (EV_A); \
176 } 560 }
177 #else 561 #else
178 #define EV_CONSTRUCT \ 562 #define EV_CONSTRUCT(cppstem,cstem) \
179 () \ 563 () throw () \
180 { \ 564 { \
181 } 565 }
182 #endif 566 #endif
183 567
184 /* using a template here would require quite a bit more lines, 568 /* using a template here would require quite a bit more lines,
185 * so a macro solution was chosen */ 569 * so a macro solution was chosen */
186 #define EV_BEGIN_WATCHER(cppstem,cstem) \ 570 #define EV_BEGIN_WATCHER(cppstem,cstem) \
187 \ 571 \
188 struct cppstem : base<ev_ ## cstem, cppstem> \ 572 struct cppstem : base<ev_ ## cstem, cppstem> \
189 { \ 573 { \
190 void start () \ 574 void start () throw () \
191 { \ 575 { \
192 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 576 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \
193 } \ 577 } \
194 \ 578 \
195 void stop () \ 579 void stop () throw () \
196 { \ 580 { \
197 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 581 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \
198 } \ 582 } \
199 \ 583 \
200 cppstem EV_CONSTRUCT \ 584 cppstem EV_CONSTRUCT(cppstem,cstem) \
201 \ 585 \
202 ~cppstem () \ 586 ~cppstem () throw () \
203 { \ 587 { \
204 stop (); \ 588 stop (); \
205 } \ 589 } \
206 \ 590 \
207 using base<ev_ ## cstem, cppstem>::set; \ 591 using base<ev_ ## cstem, cppstem>::set; \
208 \ 592 \
209 private: \ 593 private: \
210 \ 594 \
211 cppstem (const cppstem &o) \ 595 cppstem (const cppstem &o); \
212 { /* disabled */ } \
213 \ 596 \
214 void operator =(const cppstem &o) { /* disabled */ } \ 597 cppstem &operator =(const cppstem &o); \
215 \ 598 \
216 public: 599 public:
217 600
218 #define EV_END_WATCHER(cppstem,cstem) \ 601 #define EV_END_WATCHER(cppstem,cstem) \
219 }; 602 };
220 603
221 EV_BEGIN_WATCHER (io, io) 604 EV_BEGIN_WATCHER (io, io)
222 void set (int fd, int events) 605 void set (int fd, int events) throw ()
223 { 606 {
224 int active = is_active (); 607 int active = is_active ();
225 if (active) stop (); 608 if (active) stop ();
226 ev_io_set (static_cast<ev_io *>(this), fd, events); 609 ev_io_set (static_cast<ev_io *>(this), fd, events);
227 if (active) start (); 610 if (active) start ();
228 } 611 }
229 612
230 void set (int events) 613 void set (int events) throw ()
231 { 614 {
232 int active = is_active (); 615 int active = is_active ();
233 if (active) stop (); 616 if (active) stop ();
234 ev_io_set (static_cast<ev_io *>(this), fd, events); 617 ev_io_set (static_cast<ev_io *>(this), fd, events);
235 if (active) start (); 618 if (active) start ();
236 } 619 }
237 620
238 void start (int fd, int events) 621 void start (int fd, int events) throw ()
239 { 622 {
240 set (fd, events); 623 set (fd, events);
241 start (); 624 start ();
242 } 625 }
243 EV_END_WATCHER (io, io) 626 EV_END_WATCHER (io, io)
244 627
245 EV_BEGIN_WATCHER (timer, timer) 628 EV_BEGIN_WATCHER (timer, timer)
246 void set (ev_tstamp after, ev_tstamp repeat = 0.) 629 void set (ev_tstamp after, ev_tstamp repeat = 0.) throw ()
247 { 630 {
248 int active = is_active (); 631 int active = is_active ();
249 if (active) stop (); 632 if (active) stop ();
250 ev_timer_set (static_cast<ev_timer *>(this), after, repeat); 633 ev_timer_set (static_cast<ev_timer *>(this), after, repeat);
251 if (active) start (); 634 if (active) start ();
252 } 635 }
253 636
254 void start (ev_tstamp after, ev_tstamp repeat = 0.) 637 void start (ev_tstamp after, ev_tstamp repeat = 0.) throw ()
255 { 638 {
256 set (after, repeat); 639 set (after, repeat);
257 start (); 640 start ();
258 } 641 }
259 642
260 void again () 643 void again () throw ()
261 { 644 {
262 ev_timer_again (EV_A_ static_cast<ev_timer *>(this)); 645 ev_timer_again (EV_A_ static_cast<ev_timer *>(this));
263 } 646 }
264 EV_END_WATCHER (timer, timer) 647 EV_END_WATCHER (timer, timer)
265 648
266 #if EV_PERIODIC_ENABLE 649 #if EV_PERIODIC_ENABLE
267 EV_BEGIN_WATCHER (periodic, periodic) 650 EV_BEGIN_WATCHER (periodic, periodic)
268 void set (ev_tstamp at, ev_tstamp interval = 0.) 651 void set (ev_tstamp at, ev_tstamp interval = 0.) throw ()
269 { 652 {
270 int active = is_active (); 653 int active = is_active ();
271 if (active) stop (); 654 if (active) stop ();
272 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0); 655 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0);
273 if (active) start (); 656 if (active) start ();
274 } 657 }
275 658
276 void start (ev_tstamp at, ev_tstamp interval = 0.) 659 void start (ev_tstamp at, ev_tstamp interval = 0.) throw ()
277 { 660 {
278 set (at, interval); 661 set (at, interval);
279 start (); 662 start ();
280 } 663 }
281 664
282 void again () 665 void again () throw ()
283 { 666 {
284 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this)); 667 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this));
285 } 668 }
286 EV_END_WATCHER (periodic, periodic) 669 EV_END_WATCHER (periodic, periodic)
287 #endif 670 #endif
288 671
289 EV_BEGIN_WATCHER (sig, signal) 672 EV_BEGIN_WATCHER (sig, signal)
290 void set (int signum) 673 void set (int signum) throw ()
291 { 674 {
292 int active = is_active (); 675 int active = is_active ();
293 if (active) stop (); 676 if (active) stop ();
294 ev_signal_set (static_cast<ev_signal *>(this), signum); 677 ev_signal_set (static_cast<ev_signal *>(this), signum);
295 if (active) start (); 678 if (active) start ();
296 } 679 }
297 680
298 void start (int signum) 681 void start (int signum) throw ()
299 { 682 {
300 set (signum); 683 set (signum);
301 start (); 684 start ();
302 } 685 }
303 EV_END_WATCHER (sig, signal) 686 EV_END_WATCHER (sig, signal)
304 687
305 EV_BEGIN_WATCHER (child, child) 688 EV_BEGIN_WATCHER (child, child)
306 void set (int pid) 689 void set (int pid, int trace = 0) throw ()
307 { 690 {
308 int active = is_active (); 691 int active = is_active ();
309 if (active) stop (); 692 if (active) stop ();
310 ev_child_set (static_cast<ev_child *>(this), pid); 693 ev_child_set (static_cast<ev_child *>(this), pid, trace);
311 if (active) start (); 694 if (active) start ();
312 } 695 }
313 696
314 void start (int pid) 697 void start (int pid, int trace = 0) throw ()
315 { 698 {
316 set (pid); 699 set (pid, trace);
317 start (); 700 start ();
318 } 701 }
319 EV_END_WATCHER (child, child) 702 EV_END_WATCHER (child, child)
320 703
321 #if EV_STAT_ENABLE 704 #if EV_STAT_ENABLE
322 EV_BEGIN_WATCHER (stat, stat) 705 EV_BEGIN_WATCHER (stat, stat)
323 void set (const char *path, ev_tstamp interval = 0.) 706 void set (const char *path, ev_tstamp interval = 0.) throw ()
324 { 707 {
325 int active = is_active (); 708 int active = is_active ();
326 if (active) stop (); 709 if (active) stop ();
327 ev_stat_set (static_cast<ev_stat *>(this), path, interval); 710 ev_stat_set (static_cast<ev_stat *>(this), path, interval);
328 if (active) start (); 711 if (active) start ();
329 } 712 }
330 713
331 void start (const char *path, ev_tstamp interval = 0.) 714 void start (const char *path, ev_tstamp interval = 0.) throw ()
332 { 715 {
333 stop (); 716 stop ();
334 set (path, interval); 717 set (path, interval);
335 start (); 718 start ();
336 } 719 }
337 720
338 void update () 721 void update () throw ()
339 { 722 {
340 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this)); 723 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this));
341 } 724 }
342 EV_END_WATCHER (stat, stat) 725 EV_END_WATCHER (stat, stat)
343 #endif 726 #endif
344 727
345 EV_BEGIN_WATCHER (idle, idle) 728 EV_BEGIN_WATCHER (idle, idle)
346 void set () { } 729 void set () throw () { }
347 EV_END_WATCHER (idle, idle) 730 EV_END_WATCHER (idle, idle)
348 731
349 EV_BEGIN_WATCHER (prepare, prepare) 732 EV_BEGIN_WATCHER (prepare, prepare)
350 void set () { } 733 void set () throw () { }
351 EV_END_WATCHER (prepare, prepare) 734 EV_END_WATCHER (prepare, prepare)
352 735
353 EV_BEGIN_WATCHER (check, check) 736 EV_BEGIN_WATCHER (check, check)
354 void set () { } 737 void set () throw () { }
355 EV_END_WATCHER (check, check) 738 EV_END_WATCHER (check, check)
356 739
357 #if EV_EMBED_ENABLE 740 #if EV_EMBED_ENABLE
358 EV_BEGIN_WATCHER (embed, embed) 741 EV_BEGIN_WATCHER (embed, embed)
359 void start (struct ev_loop *embedded_loop) 742 void set (struct ev_loop *embedded_loop) throw ()
360 { 743 {
361 stop (); 744 int active = is_active ();
745 if (active) stop ();
362 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);
363 start (); 753 start ();
364 } 754 }
365 755
366 void sweep () 756 void sweep ()
367 { 757 {
… …
370 EV_END_WATCHER (embed, embed) 760 EV_END_WATCHER (embed, embed)
371 #endif 761 #endif
372 762
373 #if EV_FORK_ENABLE 763 #if EV_FORK_ENABLE
374 EV_BEGIN_WATCHER (fork, fork) 764 EV_BEGIN_WATCHER (fork, fork)
375 void set () { } 765 void set () throw () { }
376 EV_END_WATCHER (fork, fork) 766 EV_END_WATCHER (fork, fork)
377 #endif 767 #endif
378 768
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_
379 #undef EV_CONSTRUCT 787 #undef EV_CONSTRUCT
380 #undef EV_BEGIN_WATCHER 788 #undef EV_BEGIN_WATCHER
381 #undef EV_END_WATCHER 789 #undef EV_END_WATCHER
382} 790}
383 791

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