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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 1.44 by root, Wed Dec 3 15:23:44 2008 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 count () const throw ()
211 {
212 return ev_loop_count (EV_AX);
213 }
214
215 unsigned int backend () const throw ()
216 {
217 return ev_backend (EV_AX);
218 }
219
220 tstamp now () const throw ()
221 {
168 return ev_now (EV_A); 222 return ev_now (EV_AX);
223 }
224
225 void ref () throw ()
226 {
227 ev_ref (EV_AX);
228 }
229
230 void unref () throw ()
231 {
232 ev_unref (EV_AX);
233 }
234
235 void set_io_collect_interval (tstamp interval) throw ()
236 {
237 ev_set_io_collect_interval (EV_AX_ interval);
238 }
239
240 void set_timeout_collect_interval (tstamp interval) throw ()
241 {
242 ev_set_timeout_collect_interval (EV_AX_ interval);
243 }
244
245 // function callback
246 void once (int fd, int events, tstamp timeout, void (*cb)(int, void *), void *arg = 0) throw ()
247 {
248 ev_once (EV_AX_ fd, events, timeout, cb, arg);
249 }
250
251 // method callback
252 template<class K, void (K::*method)(int)>
253 void once (int fd, int events, tstamp timeout, K *object) throw ()
254 {
255 once (fd, events, timeout, method_thunk<K, method>, object);
256 }
257
258 // default method == operator ()
259 template<class K>
260 void once (int fd, int events, tstamp timeout, K *object) throw ()
261 {
262 once (fd, events, timeout, method_thunk<K, &K::operator ()>, object);
263 }
264
265 template<class K, void (K::*method)(int)>
266 static void method_thunk (int revents, void *arg)
267 {
268 static_cast<K *>(arg)->*method
269 (revents);
270 }
271
272 // no-argument method callback
273 template<class K, void (K::*method)()>
274 void once (int fd, int events, tstamp timeout, K *object) throw ()
275 {
276 once (fd, events, timeout, method_noargs_thunk<K, method>, object);
277 }
278
279 template<class K, void (K::*method)()>
280 static void method_noargs_thunk (int revents, void *arg)
281 {
282 static_cast<K *>(arg)->*method
283 ();
284 }
285
286 // simpler function callback
287 template<void (*cb)(int)>
288 void once (int fd, int events, tstamp timeout) throw ()
289 {
290 once (fd, events, timeout, simpler_func_thunk<cb>);
291 }
292
293 template<void (*cb)(int)>
294 static void simpler_func_thunk (int revents, void *arg)
295 {
296 (*cb)
297 (revents);
298 }
299
300 // simplest function callback
301 template<void (*cb)()>
302 void once (int fd, int events, tstamp timeout) throw ()
303 {
304 once (fd, events, timeout, simplest_func_thunk<cb>);
305 }
306
307 template<void (*cb)()>
308 static void simplest_func_thunk (int revents, void *arg)
309 {
310 (*cb)
311 ();
312 }
313
314 void feed_fd_event (int fd, int revents) throw ()
315 {
316 ev_feed_fd_event (EV_AX_ fd, revents);
317 }
318
319 void feed_signal_event (int signum) throw ()
320 {
321 ev_feed_signal_event (EV_AX_ signum);
322 }
323
324#if EV_MULTIPLICITY
325 struct ev_loop* EV_AX;
326#endif
327
328 };
329
330#if EV_MULTIPLICITY
331 struct dynamic_loop : loop_ref
332 {
333
334 dynamic_loop (unsigned int flags = AUTO) throw (bad_loop)
335 : loop_ref (ev_loop_new (flags))
336 {
337 if (!EV_AX)
338 throw bad_loop ();
339 }
340
341 ~dynamic_loop () throw ()
342 {
343 ev_loop_destroy (EV_AX);
344 EV_AX = 0;
345 }
346
347 private:
348
349 dynamic_loop (const dynamic_loop &);
350
351 dynamic_loop & operator= (const dynamic_loop &);
352
353 };
354#endif
355
356 struct default_loop : loop_ref
357 {
358 default_loop (unsigned int flags = AUTO) throw (bad_loop)
359#if EV_MULTIPLICITY
360 : loop_ref (ev_default_loop (flags))
361#endif
362 {
363 if (
364#if EV_MULTIPLICITY
365 !EV_AX
366#else
367 !ev_default_loop (flags)
368#endif
369 )
370 throw bad_loop ();
371 }
372
373 ~default_loop () throw ()
374 {
375 ev_default_destroy ();
376 }
377
378 private:
379 default_loop (const default_loop &);
380 default_loop &operator = (const default_loop &);
381 };
382
383 inline loop_ref get_default_loop () throw ()
384 {
385#if EV_MULTIPLICITY
386 return ev_default_loop (0);
387#else
388 return loop_ref ();
389#endif
390 }
391
392#undef EV_AX
393#undef EV_AX_
394
395#undef EV_PX
396#undef EV_PX_
397#if EV_MULTIPLICITY
398# define EV_PX loop_ref EV_A
399# define EV_PX_ loop_ref EV_A_
400#else
401# define EV_PX
402# define EV_PX_
403#endif
404
405 template<class ev_watcher, class watcher>
406 struct base : ev_watcher
407 {
408 #if EV_MULTIPLICITY
409 EV_PX;
410
411 void set (EV_P) throw ()
412 {
413 this->EV_A = EV_A;
414 }
415 #endif
416
417 base (EV_PX) throw ()
418 #if EV_MULTIPLICITY
419 : EV_A (EV_A)
420 #endif
421 {
422 ev_init (this, 0);
423 }
424
425 void set_ (const void *data, void (*cb)(EV_P_ ev_watcher *w, int revents)) throw ()
426 {
427 this->data = (void *)data;
428 ev_set_cb (static_cast<ev_watcher *>(this), cb);
429 }
430
431 // function callback
432 template<void (*function)(watcher &w, int)>
433 void set (void *data = 0) throw ()
434 {
435 set_ (data, function_thunk<function>);
436 }
437
438 template<void (*function)(watcher &w, int)>
439 static void function_thunk (EV_P_ ev_watcher *w, int revents)
440 {
441 function
442 (*static_cast<watcher *>(w), revents);
443 }
444
445 // method callback
446 template<class K, void (K::*method)(watcher &w, int)>
447 void set (K *object) throw ()
448 {
449 set_ (object, method_thunk<K, method>);
450 }
451
452 // default method == operator ()
453 template<class K>
454 void set (K *object) throw ()
455 {
456 set_ (object, method_thunk<K, &K::operator ()>);
457 }
458
459 template<class K, void (K::*method)(watcher &w, int)>
460 static void method_thunk (EV_P_ ev_watcher *w, int revents)
461 {
462 (static_cast<K *>(w->data)->*method)
463 (*static_cast<watcher *>(w), revents);
464 }
465
466 // no-argument callback
467 template<class K, void (K::*method)()>
468 void set (K *object) throw ()
469 {
470 set_ (object, method_noargs_thunk<K, method>);
471 }
472
473 template<class K, void (K::*method)()>
474 static void method_noargs_thunk (EV_P_ ev_watcher *w, int revents)
475 {
476 static_cast<K *>(w->data)->*method
477 ();
478 }
479
480 void operator ()(int events = EV_UNDEF)
481 {
482 return
483 ev_cb (static_cast<ev_watcher *>(this))
484 (static_cast<ev_watcher *>(this), events);
485 }
486
487 bool is_active () const throw ()
488 {
489 return ev_is_active (static_cast<const ev_watcher *>(this));
490 }
491
492 bool is_pending () const throw ()
493 {
494 return ev_is_pending (static_cast<const ev_watcher *>(this));
495 }
496
497 void feed_event (int revents) throw ()
498 {
499 ev_feed_event (EV_A_ static_cast<const ev_watcher *>(this), revents);
500 }
501 };
502
503 inline tstamp now () throw ()
504 {
505 return ev_time ();
506 }
507
508 inline void delay (tstamp interval) throw ()
509 {
510 ev_sleep (interval);
511 }
512
513 inline int version_major () throw ()
514 {
515 return ev_version_major ();
516 }
517
518 inline int version_minor () throw ()
519 {
520 return ev_version_minor ();
521 }
522
523 inline unsigned int supported_backends () throw ()
524 {
525 return ev_supported_backends ();
526 }
527
528 inline unsigned int recommended_backends () throw ()
529 {
530 return ev_recommended_backends ();
531 }
532
533 inline unsigned int embeddable_backends () throw ()
534 {
535 return ev_embeddable_backends ();
536 }
537
538 inline void set_allocator (void *(*cb)(void *ptr, long size)) throw ()
539 {
540 ev_set_allocator (cb);
541 }
542
543 inline void set_syserr_cb (void (*cb)(const char *msg)) throw ()
544 {
545 ev_set_syserr_cb (cb);
169 } 546 }
170 547
171 #if EV_MULTIPLICITY 548 #if EV_MULTIPLICITY
172 #define EV_CONSTRUCT \ 549 #define EV_CONSTRUCT(cppstem,cstem) \
173 (EV_P = EV_DEFAULT) \ 550 (EV_PX = get_default_loop ()) throw () \
551 : base<ev_ ## cstem, cppstem> (EV_A) \
174 { \ 552 { \
175 set (EV_A); \
176 } 553 }
177 #else 554 #else
178 #define EV_CONSTRUCT \ 555 #define EV_CONSTRUCT(cppstem,cstem) \
179 () \ 556 () throw () \
180 { \ 557 { \
181 } 558 }
182 #endif 559 #endif
183 560
184 /* using a template here would require quite a bit more lines, 561 /* using a template here would require quite a bit more lines,
185 * so a macro solution was chosen */ 562 * so a macro solution was chosen */
186 #define EV_BEGIN_WATCHER(cppstem,cstem) \ 563 #define EV_BEGIN_WATCHER(cppstem,cstem) \
187 \ 564 \
188 struct cppstem : base<ev_ ## cstem, cppstem> \ 565 struct cppstem : base<ev_ ## cstem, cppstem> \
189 { \ 566 { \
190 void start () \ 567 void start () throw () \
191 { \ 568 { \
192 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 569 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \
193 } \ 570 } \
194 \ 571 \
195 void stop () \ 572 void stop () throw () \
196 { \ 573 { \
197 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 574 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \
198 } \ 575 } \
199 \ 576 \
200 cppstem EV_CONSTRUCT \ 577 cppstem EV_CONSTRUCT(cppstem,cstem) \
201 \ 578 \
202 ~cppstem () \ 579 ~cppstem () throw () \
203 { \ 580 { \
204 stop (); \ 581 stop (); \
205 } \ 582 } \
206 \ 583 \
207 using base<ev_ ## cstem, cppstem>::set; \ 584 using base<ev_ ## cstem, cppstem>::set; \
208 \ 585 \
209 private: \ 586 private: \
210 \ 587 \
211 cppstem (const cppstem &o) \ 588 cppstem (const cppstem &o); \
212 { /* disabled */ } \
213 \ 589 \
214 void operator =(const cppstem &o) { /* disabled */ } \ 590 cppstem &operator =(const cppstem &o); \
215 \ 591 \
216 public: 592 public:
217 593
218 #define EV_END_WATCHER(cppstem,cstem) \ 594 #define EV_END_WATCHER(cppstem,cstem) \
219 }; 595 };
220 596
221 EV_BEGIN_WATCHER (io, io) 597 EV_BEGIN_WATCHER (io, io)
222 void set (int fd, int events) 598 void set (int fd, int events) throw ()
223 { 599 {
224 int active = is_active (); 600 int active = is_active ();
225 if (active) stop (); 601 if (active) stop ();
226 ev_io_set (static_cast<ev_io *>(this), fd, events); 602 ev_io_set (static_cast<ev_io *>(this), fd, events);
227 if (active) start (); 603 if (active) start ();
228 } 604 }
229 605
230 void set (int events) 606 void set (int events) throw ()
231 { 607 {
232 int active = is_active (); 608 int active = is_active ();
233 if (active) stop (); 609 if (active) stop ();
234 ev_io_set (static_cast<ev_io *>(this), fd, events); 610 ev_io_set (static_cast<ev_io *>(this), fd, events);
235 if (active) start (); 611 if (active) start ();
236 } 612 }
237 613
238 void start (int fd, int events) 614 void start (int fd, int events) throw ()
239 { 615 {
240 set (fd, events); 616 set (fd, events);
241 start (); 617 start ();
242 } 618 }
243 EV_END_WATCHER (io, io) 619 EV_END_WATCHER (io, io)
244 620
245 EV_BEGIN_WATCHER (timer, timer) 621 EV_BEGIN_WATCHER (timer, timer)
246 void set (ev_tstamp after, ev_tstamp repeat = 0.) 622 void set (ev_tstamp after, ev_tstamp repeat = 0.) throw ()
247 { 623 {
248 int active = is_active (); 624 int active = is_active ();
249 if (active) stop (); 625 if (active) stop ();
250 ev_timer_set (static_cast<ev_timer *>(this), after, repeat); 626 ev_timer_set (static_cast<ev_timer *>(this), after, repeat);
251 if (active) start (); 627 if (active) start ();
252 } 628 }
253 629
254 void start (ev_tstamp after, ev_tstamp repeat = 0.) 630 void start (ev_tstamp after, ev_tstamp repeat = 0.) throw ()
255 { 631 {
256 set (after, repeat); 632 set (after, repeat);
257 start (); 633 start ();
258 } 634 }
259 635
260 void again () 636 void again () throw ()
261 { 637 {
262 ev_timer_again (EV_A_ static_cast<ev_timer *>(this)); 638 ev_timer_again (EV_A_ static_cast<ev_timer *>(this));
263 } 639 }
264 EV_END_WATCHER (timer, timer) 640 EV_END_WATCHER (timer, timer)
265 641
266 #if EV_PERIODIC_ENABLE 642 #if EV_PERIODIC_ENABLE
267 EV_BEGIN_WATCHER (periodic, periodic) 643 EV_BEGIN_WATCHER (periodic, periodic)
268 void set (ev_tstamp at, ev_tstamp interval = 0.) 644 void set (ev_tstamp at, ev_tstamp interval = 0.) throw ()
269 { 645 {
270 int active = is_active (); 646 int active = is_active ();
271 if (active) stop (); 647 if (active) stop ();
272 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0); 648 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0);
273 if (active) start (); 649 if (active) start ();
274 } 650 }
275 651
276 void start (ev_tstamp at, ev_tstamp interval = 0.) 652 void start (ev_tstamp at, ev_tstamp interval = 0.) throw ()
277 { 653 {
278 set (at, interval); 654 set (at, interval);
279 start (); 655 start ();
280 } 656 }
281 657
282 void again () 658 void again () throw ()
283 { 659 {
284 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this)); 660 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this));
285 } 661 }
286 EV_END_WATCHER (periodic, periodic) 662 EV_END_WATCHER (periodic, periodic)
287 #endif 663 #endif
288 664
289 EV_BEGIN_WATCHER (sig, signal) 665 EV_BEGIN_WATCHER (sig, signal)
290 void set (int signum) 666 void set (int signum) throw ()
291 { 667 {
292 int active = is_active (); 668 int active = is_active ();
293 if (active) stop (); 669 if (active) stop ();
294 ev_signal_set (static_cast<ev_signal *>(this), signum); 670 ev_signal_set (static_cast<ev_signal *>(this), signum);
295 if (active) start (); 671 if (active) start ();
296 } 672 }
297 673
298 void start (int signum) 674 void start (int signum) throw ()
299 { 675 {
300 set (signum); 676 set (signum);
301 start (); 677 start ();
302 } 678 }
303 EV_END_WATCHER (sig, signal) 679 EV_END_WATCHER (sig, signal)
304 680
305 EV_BEGIN_WATCHER (child, child) 681 EV_BEGIN_WATCHER (child, child)
306 void set (int pid) 682 void set (int pid, int trace = 0) throw ()
307 { 683 {
308 int active = is_active (); 684 int active = is_active ();
309 if (active) stop (); 685 if (active) stop ();
310 ev_child_set (static_cast<ev_child *>(this), pid); 686 ev_child_set (static_cast<ev_child *>(this), pid, trace);
311 if (active) start (); 687 if (active) start ();
312 } 688 }
313 689
314 void start (int pid) 690 void start (int pid, int trace = 0) throw ()
315 { 691 {
316 set (pid); 692 set (pid, trace);
317 start (); 693 start ();
318 } 694 }
319 EV_END_WATCHER (child, child) 695 EV_END_WATCHER (child, child)
320 696
321 #if EV_STAT_ENABLE 697 #if EV_STAT_ENABLE
322 EV_BEGIN_WATCHER (stat, stat) 698 EV_BEGIN_WATCHER (stat, stat)
323 void set (const char *path, ev_tstamp interval = 0.) 699 void set (const char *path, ev_tstamp interval = 0.) throw ()
324 { 700 {
325 int active = is_active (); 701 int active = is_active ();
326 if (active) stop (); 702 if (active) stop ();
327 ev_stat_set (static_cast<ev_stat *>(this), path, interval); 703 ev_stat_set (static_cast<ev_stat *>(this), path, interval);
328 if (active) start (); 704 if (active) start ();
329 } 705 }
330 706
331 void start (const char *path, ev_tstamp interval = 0.) 707 void start (const char *path, ev_tstamp interval = 0.) throw ()
332 { 708 {
333 stop (); 709 stop ();
334 set (path, interval); 710 set (path, interval);
335 start (); 711 start ();
336 } 712 }
337 713
338 void update () 714 void update () throw ()
339 { 715 {
340 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this)); 716 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this));
341 } 717 }
342 EV_END_WATCHER (stat, stat) 718 EV_END_WATCHER (stat, stat)
343 #endif 719 #endif
344 720
345 EV_BEGIN_WATCHER (idle, idle) 721 EV_BEGIN_WATCHER (idle, idle)
346 void set () { } 722 void set () throw () { }
347 EV_END_WATCHER (idle, idle) 723 EV_END_WATCHER (idle, idle)
348 724
349 EV_BEGIN_WATCHER (prepare, prepare) 725 EV_BEGIN_WATCHER (prepare, prepare)
350 void set () { } 726 void set () throw () { }
351 EV_END_WATCHER (prepare, prepare) 727 EV_END_WATCHER (prepare, prepare)
352 728
353 EV_BEGIN_WATCHER (check, check) 729 EV_BEGIN_WATCHER (check, check)
354 void set () { } 730 void set () throw () { }
355 EV_END_WATCHER (check, check) 731 EV_END_WATCHER (check, check)
356 732
357 #if EV_EMBED_ENABLE 733 #if EV_EMBED_ENABLE
358 EV_BEGIN_WATCHER (embed, embed) 734 EV_BEGIN_WATCHER (embed, embed)
359 void start (struct ev_loop *embedded_loop) 735 void set (struct ev_loop *embedded_loop) throw ()
360 { 736 {
361 stop (); 737 int active = is_active ();
738 if (active) stop ();
362 ev_embed_set (static_cast<ev_embed *>(this), embedded_loop); 739 ev_embed_set (static_cast<ev_embed *>(this), embedded_loop);
740 if (active) start ();
741 }
742
743 void start (struct ev_loop *embedded_loop) throw ()
744 {
745 set (embedded_loop);
363 start (); 746 start ();
364 } 747 }
365 748
366 void sweep () 749 void sweep ()
367 { 750 {
… …
370 EV_END_WATCHER (embed, embed) 753 EV_END_WATCHER (embed, embed)
371 #endif 754 #endif
372 755
373 #if EV_FORK_ENABLE 756 #if EV_FORK_ENABLE
374 EV_BEGIN_WATCHER (fork, fork) 757 EV_BEGIN_WATCHER (fork, fork)
375 void set () { } 758 void set () throw () { }
376 EV_END_WATCHER (fork, fork) 759 EV_END_WATCHER (fork, fork)
377 #endif 760 #endif
378 761
762 #if EV_ASYNC_ENABLE
763 EV_BEGIN_WATCHER (async, async)
764 void set () throw () { }
765
766 void send () throw ()
767 {
768 ev_async_send (EV_A_ static_cast<ev_async *>(this));
769 }
770
771 bool async_pending () throw ()
772 {
773 return ev_async_pending (static_cast<ev_async *>(this));
774 }
775 EV_END_WATCHER (async, async)
776 #endif
777
778 #undef EV_PX
779 #undef EV_PX_
379 #undef EV_CONSTRUCT 780 #undef EV_CONSTRUCT
380 #undef EV_BEGIN_WATCHER 781 #undef EV_BEGIN_WATCHER
381 #undef EV_END_WATCHER 782 #undef EV_END_WATCHER
382} 783}
383 784

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