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Comparing libev/ev++.h (file contents):
Revision 1.24 by llucax, Fri Jan 18 18:13:21 2008 UTC vs.
Revision 1.42 by root, Mon Nov 3 14:27:06 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 typedef ev_tstamp tstamp; 59 typedef ev_tstamp tstamp;
52 60
53 enum { 61 enum {
… …
62 STAT = EV_STAT, 70 STAT = EV_STAT,
63 IDLE = EV_IDLE, 71 IDLE = EV_IDLE,
64 CHECK = EV_CHECK, 72 CHECK = EV_CHECK,
65 PREPARE = EV_PREPARE, 73 PREPARE = EV_PREPARE,
66 FORK = EV_FORK, 74 FORK = EV_FORK,
75 ASYNC = EV_ASYNC,
67 EMBED = EV_EMBED, 76 EMBED = EV_EMBED,
77# undef ERROR // some systems stupidly #define ERROR
68 ERROR = EV_ERROR, 78 ERROR = EV_ERROR,
69 }; 79 };
80
81 enum
82 {
83 AUTO = EVFLAG_AUTO,
84 NOENV = EVFLAG_NOENV,
85 FORKCHECK = EVFLAG_FORKCHECK,
86
87 SELECT = EVBACKEND_SELECT,
88 POLL = EVBACKEND_POLL,
89 EPOLL = EVBACKEND_EPOLL,
90 KQUEUE = EVBACKEND_KQUEUE,
91 DEVPOLL = EVBACKEND_DEVPOLL,
92 PORT = EVBACKEND_PORT
93 };
94
95 enum
96 {
97 NONBLOCK = EVLOOP_NONBLOCK,
98 ONESHOT = EVLOOP_ONESHOT
99 };
100
101 enum how_t
102 {
103 ONE = EVUNLOOP_ONE,
104 ALL = EVUNLOOP_ALL
105 };
106
107 struct bad_loop
108#if EV_USE_STDEXCEPT
109 : std::runtime_error
110#endif
111 {
112#if EV_USE_STDEXCEPT
113 bad_loop ()
114 : std::runtime_error ("libev event loop cannot be initialized, bad value of LIBEV_FLAGS?")
115 {
116 }
117#endif
118 };
119
120#ifdef EV_AX
121# undef EV_AX
122#endif
123
124#ifdef EV_AX_
125# undef EV_AX_
126#endif
127
128#if EV_MULTIPLICITY
129# define EV_AX raw_loop
130# define EV_AX_ raw_loop,
131#else
132# define EV_AX
133# define EV_AX_
134#endif
135
136 struct loop_ref
137 {
138 loop_ref (EV_P) throw ()
139#if EV_MULTIPLICITY
140 : EV_AX (EV_A)
141#endif
142 {
143 }
144
145 bool operator == (const loop_ref &other) const throw ()
146 {
147#if EV_MULTIPLICITY
148 return EV_AX == other.EV_AX;
149#else
150 return true;
151#endif
152 }
153
154 bool operator != (const loop_ref &other) const throw ()
155 {
156#if EV_MULTIPLICITY
157 return ! (*this == other);
158#else
159 return false;
160#endif
161 }
162
163#if EV_MULTIPLICITY
164 bool operator == (struct ev_loop *other) const throw ()
165 {
166 return this->EV_AX == other;
167 }
168
169 bool operator != (struct ev_loop *other) const throw ()
170 {
171 return ! (*this == other);
172 }
173
174 bool operator == (const struct ev_loop *other) const throw ()
175 {
176 return this->EV_AX == other;
177 }
178
179 bool operator != (const struct ev_loop *other) const throw ()
180 {
181 return (*this == other);
182 }
183
184 operator struct ev_loop * () const throw ()
185 {
186 return EV_AX;
187 }
188
189 operator const struct ev_loop * () const throw ()
190 {
191 return EV_AX;
192 }
193
194 bool is_default () const throw ()
195 {
196 return EV_AX == ev_default_loop (0);
197 }
198#endif
199
200 void loop (int flags = 0)
201 {
202 ev_loop (EV_AX_ flags);
203 }
204
205 void unloop (how_t how = ONE) throw ()
206 {
207 ev_unloop (EV_AX_ how);
208 }
209
210 void post_fork () throw ()
211 {
212#if EV_MULTIPLICITY
213 ev_loop_fork (EV_AX);
214#else
215 ev_default_fork ();
216#endif
217 }
218
219 unsigned int count () const throw ()
220 {
221 return ev_loop_count (EV_AX);
222 }
223
224 unsigned int backend () const throw ()
225 {
226 return ev_backend (EV_AX);
227 }
228
229 tstamp now () const throw ()
230 {
231 return ev_now (EV_AX);
232 }
233
234 void ref () throw ()
235 {
236 ev_ref (EV_AX);
237 }
238
239 void unref () throw ()
240 {
241 ev_unref (EV_AX);
242 }
243
244 void set_io_collect_interval (tstamp interval) throw ()
245 {
246 ev_set_io_collect_interval (EV_AX_ interval);
247 }
248
249 void set_timeout_collect_interval (tstamp interval) throw ()
250 {
251 ev_set_timeout_collect_interval (EV_AX_ interval);
252 }
253
254 // function callback
255 void once (int fd, int events, tstamp timeout, void (*cb)(int, void *), void* arg = 0) throw ()
256 {
257 ev_once (EV_AX_ fd, events, timeout, cb, arg);
258 }
259
260 // method callback
261 template<class K, void (K::*method)(int)>
262 void once (int fd, int events, tstamp timeout, K *object) throw ()
263 {
264 once (fd, events, timeout, method_thunk<K, method>, object);
265 }
266
267 template<class K, void (K::*method)(int)>
268 static void method_thunk (int revents, void* arg)
269 {
270 K *obj = static_cast<K *>(arg);
271 (obj->*method) (revents);
272 }
273
274 // const method callback
275 template<class K, void (K::*method)(int) const>
276 void once (int fd, int events, tstamp timeout, const K *object) throw ()
277 {
278 once (fd, events, timeout, const_method_thunk<K, method>, object);
279 }
280
281 template<class K, void (K::*method)(int) const>
282 static void const_method_thunk (int revents, void* arg)
283 {
284 K *obj = static_cast<K *>(arg);
285 (obj->*method) (revents);
286 }
287
288 // simple method callback
289 template<class K, void (K::*method)()>
290 void once (int fd, int events, tstamp timeout, K *object) throw ()
291 {
292 once (fd, events, timeout, method_noargs_thunk<K, method>, object);
293 }
294
295 template<class K, void (K::*method)()>
296 static void method_noargs_thunk (int revents, void* arg)
297 {
298 K *obj = static_cast<K *>(arg);
299 (obj->*method) ();
300 }
301
302 // simpler function callback
303 template<void (*cb)(int)>
304 void once (int fd, int events, tstamp timeout) throw ()
305 {
306 once (fd, events, timeout, simpler_func_thunk<cb>);
307 }
308
309 template<void (*cb)(int)>
310 static void simpler_func_thunk (int revents, void* arg)
311 {
312 (*cb) (revents);
313 }
314
315 // simplest function callback
316 template<void (*cb)()>
317 void once (int fd, int events, tstamp timeout) throw ()
318 {
319 once (fd, events, timeout, simplest_func_thunk<cb>);
320 }
321
322 template<void (*cb)()>
323 static void simplest_func_thunk (int revents, void* arg)
324 {
325 (*cb) ();
326 }
327
328 void feed_fd_event (int fd, int revents) throw ()
329 {
330 ev_feed_fd_event (EV_AX_ fd, revents);
331 }
332
333 void feed_signal_event (int signum) throw ()
334 {
335 ev_feed_signal_event (EV_AX_ signum);
336 }
337
338#if EV_MULTIPLICITY
339 struct ev_loop* EV_AX;
340#endif
341
342 };
343
344#if EV_MULTIPLICITY
345 struct dynamic_loop : loop_ref
346 {
347
348 dynamic_loop (unsigned int flags = AUTO) throw (bad_loop)
349 : loop_ref (ev_loop_new (flags))
350 {
351 if (!EV_AX)
352 throw bad_loop ();
353 }
354
355 ~dynamic_loop () throw ()
356 {
357 ev_loop_destroy (EV_AX);
358 EV_AX = 0;
359 }
360
361 private:
362
363 dynamic_loop (const dynamic_loop &);
364
365 dynamic_loop & operator= (const dynamic_loop &);
366
367 };
368#endif
369
370 struct default_loop : loop_ref
371 {
372 default_loop (unsigned int flags = AUTO) throw (bad_loop)
373#if EV_MULTIPLICITY
374 : loop_ref (ev_default_loop (flags))
375#endif
376 {
377 if (
378#if EV_MULTIPLICITY
379 !EV_AX
380#else
381 !ev_default_loop (flags)
382#endif
383 )
384 throw bad_loop ();
385 }
386
387 ~default_loop () throw ()
388 {
389 ev_default_destroy ();
390 }
391
392 private:
393 default_loop (const default_loop &);
394 default_loop &operator = (const default_loop &);
395 };
396
397 inline loop_ref get_default_loop () throw ()
398 {
399#if EV_MULTIPLICITY
400 return ev_default_loop (0);
401#else
402 return loop_ref ();
403#endif
404 }
405
406#undef EV_AX
407#undef EV_AX_
408
409#undef EV_PX
410#undef EV_PX_
411#if EV_MULTIPLICITY
412# define EV_PX loop_ref EV_A
413# define EV_PX_ loop_ref EV_A_
414#else
415# define EV_PX
416# define EV_PX_
417#endif
70 418
71 template<class ev_watcher, class watcher> 419 template<class ev_watcher, class watcher>
72 struct base : ev_watcher 420 struct base : ev_watcher
73 { 421 {
74 #if EV_MULTIPLICITY 422 #if EV_MULTIPLICITY
75 EV_P; 423 EV_PX;
76 424
77 void set (EV_P) 425 void set (EV_PX) throw ()
78 { 426 {
79 this->EV_A = EV_A; 427 this->EV_A = EV_A;
80 } 428 }
81 #endif 429 #endif
82 430
83 base () 431 base (EV_PX) throw ()
432 #if EV_MULTIPLICITY
433 : EV_A (EV_A)
434 #endif
84 { 435 {
85 ev_init (this, 0); 436 ev_init (this, 0);
86 } 437 }
87 438
88 void set_ (void *data, void (*cb)(EV_P_ ev_watcher *w, int revents)) 439 void set_ (void *data, void (*cb)(EV_P_ ev_watcher *w, int revents)) throw ()
89 { 440 {
90 this->data = data; 441 this->data = data;
91 ev_set_cb (static_cast<ev_watcher *>(this), cb); 442 ev_set_cb (static_cast<ev_watcher *>(this), cb);
92 } 443 }
93 444
94 // method callback 445 // method callback
95 template<class K, void (K::*method)(watcher &w, int)> 446 template<class K, void (K::*method)(watcher &w, int)>
96 void set (K *object) 447 void set (K *object) throw ()
97 { 448 {
98 set_ (object, method_thunk<K, method>); 449 set_ (object, method_thunk<K, method>);
99 } 450 }
100 451
101 template<class K, void (K::*method)(watcher &w, int)> 452 template<class K, void (K::*method)(watcher &w, int)>
… …
105 (obj->*method) (*static_cast<watcher *>(w), revents); 456 (obj->*method) (*static_cast<watcher *>(w), revents);
106 } 457 }
107 458
108 // const method callback 459 // const method callback
109 template<class K, void (K::*method)(watcher &w, int) const> 460 template<class K, void (K::*method)(watcher &w, int) const>
110 void set (const K *object) 461 void set (const K *object) throw ()
111 { 462 {
112 set_ (object, const_method_thunk<K, method>); 463 set_ (object, const_method_thunk<K, method>);
113 } 464 }
114 465
115 template<class K, void (K::*method)(watcher &w, int) const> 466 template<class K, void (K::*method)(watcher &w, int) const>
… …
119 (static_cast<K *>(w->data)->*method) (*static_cast<watcher *>(w), revents); 470 (static_cast<K *>(w->data)->*method) (*static_cast<watcher *>(w), revents);
120 } 471 }
121 472
122 // function callback 473 // function callback
123 template<void (*function)(watcher &w, int)> 474 template<void (*function)(watcher &w, int)>
124 void set (void *data = 0) 475 void set (void *data = 0) throw ()
125 { 476 {
126 set_ (data, function_thunk<function>); 477 set_ (data, function_thunk<function>);
127 } 478 }
128 479
129 template<void (*function)(watcher &w, int)> 480 template<void (*function)(watcher &w, int)>
… …
132 function (*static_cast<watcher *>(w), revents); 483 function (*static_cast<watcher *>(w), revents);
133 } 484 }
134 485
135 // simple callback 486 // simple callback
136 template<class K, void (K::*method)()> 487 template<class K, void (K::*method)()>
137 void set (K *object) 488 void set (K *object) throw ()
138 { 489 {
139 set_ (object, method_noargs_thunk<K, method>); 490 set_ (object, method_noargs_thunk<K, method>);
140 } 491 }
141 492
142 template<class K, void (K::*method)()> 493 template<class K, void (K::*method)()>
… …
150 { 501 {
151 return ev_cb (static_cast<ev_watcher *>(this)) 502 return ev_cb (static_cast<ev_watcher *>(this))
152 (static_cast<ev_watcher *>(this), events); 503 (static_cast<ev_watcher *>(this), events);
153 } 504 }
154 505
155 bool is_active () const 506 bool is_active () const throw ()
156 { 507 {
157 return ev_is_active (static_cast<const ev_watcher *>(this)); 508 return ev_is_active (static_cast<const ev_watcher *>(this));
158 } 509 }
159 510
160 bool is_pending () const 511 bool is_pending () const throw ()
161 { 512 {
162 return ev_is_pending (static_cast<const ev_watcher *>(this)); 513 return ev_is_pending (static_cast<const ev_watcher *>(this));
163 } 514 }
515
516 void feed_event (int revents) throw ()
517 {
518 ev_feed_event (EV_A_ static_cast<const ev_watcher *>(this), revents);
519 }
520 };
521
522 inline tstamp now () throw ()
523 {
524 return ev_time ();
164 }; 525 }
165 526
166 527 inline void delay (tstamp interval) throw ()
167 inline ev_tstamp now (EV_P)
168 { 528 {
169 return ev_now (EV_A); 529 ev_sleep (interval);
530 }
531
532 inline int version_major () throw ()
533 {
534 return ev_version_major ();
535 }
536
537 inline int version_minor () throw ()
538 {
539 return ev_version_minor ();
540 }
541
542 inline unsigned int supported_backends () throw ()
543 {
544 return ev_supported_backends ();
545 }
546
547 inline unsigned int recommended_backends () throw ()
548 {
549 return ev_recommended_backends ();
550 }
551
552 inline unsigned int embeddable_backends () throw ()
553 {
554 return ev_embeddable_backends ();
555 }
556
557 inline void set_allocator (void *(*cb)(void *ptr, long size)) throw ()
558 {
559 ev_set_allocator (cb);
560 }
561
562 inline void set_syserr_cb (void (*cb)(const char *msg)) throw ()
563 {
564 ev_set_syserr_cb (cb);
170 } 565 }
171 566
172 #if EV_MULTIPLICITY 567 #if EV_MULTIPLICITY
173 #define EV_CONSTRUCT \ 568 #define EV_CONSTRUCT(cppstem,cstem) \
174 (EV_P = EV_DEFAULT) \ 569 (EV_PX = get_default_loop ()) throw () \
570 : base<ev_ ## cstem, cppstem> (EV_A) \
175 { \ 571 { \
176 set (EV_A); \
177 } 572 }
178 #else 573 #else
179 #define EV_CONSTRUCT \ 574 #define EV_CONSTRUCT(cppstem,cstem) \
180 () \ 575 () throw () \
181 { \ 576 { \
182 } 577 }
183 #endif 578 #endif
184 579
185 /* using a template here would require quite a bit more lines, 580 /* using a template here would require quite a bit more lines,
186 * so a macro solution was chosen */ 581 * so a macro solution was chosen */
187 #define EV_BEGIN_WATCHER(cppstem,cstem) \ 582 #define EV_BEGIN_WATCHER(cppstem,cstem) \
188 \ 583 \
189 struct cppstem : base<ev_ ## cstem, cppstem> \ 584 struct cppstem : base<ev_ ## cstem, cppstem> \
190 { \ 585 { \
191 void start () \ 586 void start () throw () \
192 { \ 587 { \
193 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 588 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \
194 } \ 589 } \
195 \ 590 \
196 void stop () \ 591 void stop () throw () \
197 { \ 592 { \
198 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 593 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \
199 } \ 594 } \
200 \ 595 \
201 cppstem EV_CONSTRUCT \ 596 cppstem EV_CONSTRUCT(cppstem,cstem) \
202 \ 597 \
203 ~cppstem () \ 598 ~cppstem () throw () \
204 { \ 599 { \
205 stop (); \ 600 stop (); \
206 } \ 601 } \
207 \ 602 \
208 using base<ev_ ## cstem, cppstem>::set; \ 603 using base<ev_ ## cstem, cppstem>::set; \
209 \ 604 \
210 private: \ 605 private: \
211 \ 606 \
212 cppstem (const cppstem &o); \ 607 cppstem (const cppstem &o); \
213 \ 608 \
214 cppstem & operator =(const cppstem &o); \ 609 cppstem &operator =(const cppstem &o); \
215 \ 610 \
216 public: 611 public:
217 612
218 #define EV_END_WATCHER(cppstem,cstem) \ 613 #define EV_END_WATCHER(cppstem,cstem) \
219 }; 614 };
220 615
221 EV_BEGIN_WATCHER (io, io) 616 EV_BEGIN_WATCHER (io, io)
222 void set (int fd, int events) 617 void set (int fd, int events) throw ()
223 { 618 {
224 int active = is_active (); 619 int active = is_active ();
225 if (active) stop (); 620 if (active) stop ();
226 ev_io_set (static_cast<ev_io *>(this), fd, events); 621 ev_io_set (static_cast<ev_io *>(this), fd, events);
227 if (active) start (); 622 if (active) start ();
228 } 623 }
229 624
230 void set (int events) 625 void set (int events) throw ()
231 { 626 {
232 int active = is_active (); 627 int active = is_active ();
233 if (active) stop (); 628 if (active) stop ();
234 ev_io_set (static_cast<ev_io *>(this), fd, events); 629 ev_io_set (static_cast<ev_io *>(this), fd, events);
235 if (active) start (); 630 if (active) start ();
236 } 631 }
237 632
238 void start (int fd, int events) 633 void start (int fd, int events) throw ()
239 { 634 {
240 set (fd, events); 635 set (fd, events);
241 start (); 636 start ();
242 } 637 }
243 EV_END_WATCHER (io, io) 638 EV_END_WATCHER (io, io)
244 639
245 EV_BEGIN_WATCHER (timer, timer) 640 EV_BEGIN_WATCHER (timer, timer)
246 void set (ev_tstamp after, ev_tstamp repeat = 0.) 641 void set (ev_tstamp after, ev_tstamp repeat = 0.) throw ()
247 { 642 {
248 int active = is_active (); 643 int active = is_active ();
249 if (active) stop (); 644 if (active) stop ();
250 ev_timer_set (static_cast<ev_timer *>(this), after, repeat); 645 ev_timer_set (static_cast<ev_timer *>(this), after, repeat);
251 if (active) start (); 646 if (active) start ();
252 } 647 }
253 648
254 void start (ev_tstamp after, ev_tstamp repeat = 0.) 649 void start (ev_tstamp after, ev_tstamp repeat = 0.) throw ()
255 { 650 {
256 set (after, repeat); 651 set (after, repeat);
257 start (); 652 start ();
258 } 653 }
259 654
260 void again () 655 void again () throw ()
261 { 656 {
262 ev_timer_again (EV_A_ static_cast<ev_timer *>(this)); 657 ev_timer_again (EV_A_ static_cast<ev_timer *>(this));
263 } 658 }
264 EV_END_WATCHER (timer, timer) 659 EV_END_WATCHER (timer, timer)
265 660
266 #if EV_PERIODIC_ENABLE 661 #if EV_PERIODIC_ENABLE
267 EV_BEGIN_WATCHER (periodic, periodic) 662 EV_BEGIN_WATCHER (periodic, periodic)
268 void set (ev_tstamp at, ev_tstamp interval = 0.) 663 void set (ev_tstamp at, ev_tstamp interval = 0.) throw ()
269 { 664 {
270 int active = is_active (); 665 int active = is_active ();
271 if (active) stop (); 666 if (active) stop ();
272 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0); 667 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0);
273 if (active) start (); 668 if (active) start ();
274 } 669 }
275 670
276 void start (ev_tstamp at, ev_tstamp interval = 0.) 671 void start (ev_tstamp at, ev_tstamp interval = 0.) throw ()
277 { 672 {
278 set (at, interval); 673 set (at, interval);
279 start (); 674 start ();
280 } 675 }
281 676
282 void again () 677 void again () throw ()
283 { 678 {
284 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this)); 679 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this));
285 } 680 }
286 EV_END_WATCHER (periodic, periodic) 681 EV_END_WATCHER (periodic, periodic)
287 #endif 682 #endif
288 683
289 EV_BEGIN_WATCHER (sig, signal) 684 EV_BEGIN_WATCHER (sig, signal)
290 void set (int signum) 685 void set (int signum) throw ()
291 { 686 {
292 int active = is_active (); 687 int active = is_active ();
293 if (active) stop (); 688 if (active) stop ();
294 ev_signal_set (static_cast<ev_signal *>(this), signum); 689 ev_signal_set (static_cast<ev_signal *>(this), signum);
295 if (active) start (); 690 if (active) start ();
296 } 691 }
297 692
298 void start (int signum) 693 void start (int signum) throw ()
299 { 694 {
300 set (signum); 695 set (signum);
301 start (); 696 start ();
302 } 697 }
303 EV_END_WATCHER (sig, signal) 698 EV_END_WATCHER (sig, signal)
304 699
305 EV_BEGIN_WATCHER (child, child) 700 EV_BEGIN_WATCHER (child, child)
306 void set (int pid) 701 void set (int pid, int trace = 0) throw ()
307 { 702 {
308 int active = is_active (); 703 int active = is_active ();
309 if (active) stop (); 704 if (active) stop ();
310 ev_child_set (static_cast<ev_child *>(this), pid); 705 ev_child_set (static_cast<ev_child *>(this), pid, trace);
311 if (active) start (); 706 if (active) start ();
312 } 707 }
313 708
314 void start (int pid) 709 void start (int pid, int trace = 0) throw ()
315 { 710 {
316 set (pid); 711 set (pid, trace);
317 start (); 712 start ();
318 } 713 }
319 EV_END_WATCHER (child, child) 714 EV_END_WATCHER (child, child)
320 715
321 #if EV_STAT_ENABLE 716 #if EV_STAT_ENABLE
322 EV_BEGIN_WATCHER (stat, stat) 717 EV_BEGIN_WATCHER (stat, stat)
323 void set (const char *path, ev_tstamp interval = 0.) 718 void set (const char *path, ev_tstamp interval = 0.) throw ()
324 { 719 {
325 int active = is_active (); 720 int active = is_active ();
326 if (active) stop (); 721 if (active) stop ();
327 ev_stat_set (static_cast<ev_stat *>(this), path, interval); 722 ev_stat_set (static_cast<ev_stat *>(this), path, interval);
328 if (active) start (); 723 if (active) start ();
329 } 724 }
330 725
331 void start (const char *path, ev_tstamp interval = 0.) 726 void start (const char *path, ev_tstamp interval = 0.) throw ()
332 { 727 {
333 stop (); 728 stop ();
334 set (path, interval); 729 set (path, interval);
335 start (); 730 start ();
336 } 731 }
337 732
338 void update () 733 void update () throw ()
339 { 734 {
340 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this)); 735 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this));
341 } 736 }
342 EV_END_WATCHER (stat, stat) 737 EV_END_WATCHER (stat, stat)
343 #endif 738 #endif
344 739
345 EV_BEGIN_WATCHER (idle, idle) 740 EV_BEGIN_WATCHER (idle, idle)
346 void set () { } 741 void set () throw () { }
347 EV_END_WATCHER (idle, idle) 742 EV_END_WATCHER (idle, idle)
348 743
349 EV_BEGIN_WATCHER (prepare, prepare) 744 EV_BEGIN_WATCHER (prepare, prepare)
350 void set () { } 745 void set () throw () { }
351 EV_END_WATCHER (prepare, prepare) 746 EV_END_WATCHER (prepare, prepare)
352 747
353 EV_BEGIN_WATCHER (check, check) 748 EV_BEGIN_WATCHER (check, check)
354 void set () { } 749 void set () throw () { }
355 EV_END_WATCHER (check, check) 750 EV_END_WATCHER (check, check)
356 751
357 #if EV_EMBED_ENABLE 752 #if EV_EMBED_ENABLE
358 EV_BEGIN_WATCHER (embed, embed) 753 EV_BEGIN_WATCHER (embed, embed)
359 void start (struct ev_loop *embedded_loop) 754 void set (struct ev_loop *embedded_loop) throw ()
360 { 755 {
361 stop (); 756 int active = is_active ();
757 if (active) stop ();
362 ev_embed_set (static_cast<ev_embed *>(this), embedded_loop); 758 ev_embed_set (static_cast<ev_embed *>(this), embedded_loop);
759 if (active) start ();
760 }
761
762 void start (struct ev_loop *embedded_loop) throw ()
763 {
764 set (embedded_loop);
363 start (); 765 start ();
364 } 766 }
365 767
366 void sweep () 768 void sweep ()
367 { 769 {
… …
370 EV_END_WATCHER (embed, embed) 772 EV_END_WATCHER (embed, embed)
371 #endif 773 #endif
372 774
373 #if EV_FORK_ENABLE 775 #if EV_FORK_ENABLE
374 EV_BEGIN_WATCHER (fork, fork) 776 EV_BEGIN_WATCHER (fork, fork)
375 void set () { } 777 void set () throw () { }
376 EV_END_WATCHER (fork, fork) 778 EV_END_WATCHER (fork, fork)
377 #endif 779 #endif
378 780
781 #if EV_ASYNC_ENABLE
782 EV_BEGIN_WATCHER (async, async)
783 void set () throw () { }
784
785 void send () throw ()
786 {
787 ev_async_send (EV_A_ static_cast<ev_async *>(this));
788 }
789
790 bool async_pending () throw ()
791 {
792 return ev_async_pending (static_cast<ev_async *>(this));
793 }
794 EV_END_WATCHER (async, async)
795 #endif
796
797 #undef EV_PX
798 #undef EV_PX_
379 #undef EV_CONSTRUCT 799 #undef EV_CONSTRUCT
380 #undef EV_BEGIN_WATCHER 800 #undef EV_BEGIN_WATCHER
381 #undef EV_END_WATCHER 801 #undef EV_END_WATCHER
382} 802}
383 803

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