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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 1.42 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 };
70 80
71 enum 81 enum
72 { 82 {
73 AUTO = EVFLAG_AUTO, 83 AUTO = EVFLAG_AUTO,
74 NOENV = EVFLAG_NOENV, 84 NOENV = EVFLAG_NOENV,
75 FORKCHECK = EVFLAG_FORKCHECK, 85 FORKCHECK = EVFLAG_FORKCHECK,
86
76 SELECT = EVBACKEND_SELECT, 87 SELECT = EVBACKEND_SELECT,
77 POLL = EVBACKEND_POLL, 88 POLL = EVBACKEND_POLL,
78 EPOLL = EVBACKEND_EPOLL, 89 EPOLL = EVBACKEND_EPOLL,
79 KQUEUE = EVBACKEND_KQUEUE, 90 KQUEUE = EVBACKEND_KQUEUE,
80 DEVPOLL = EVBACKEND_DEVPOLL, 91 DEVPOLL = EVBACKEND_DEVPOLL,
81 PORT = EVBACKEND_PORT 92 PORT = EVBACKEND_PORT
82 }; 93 };
83 94
84 enum 95 enum
85 { 96 {
86 NONBLOCK = EVLOOP_NONBLOCK, 97 NONBLOCK = EVLOOP_NONBLOCK,
87 ONESHOT = EVLOOP_ONESHOT 98 ONESHOT = EVLOOP_ONESHOT
88 }; 99 };
89 100
90 enum how_t 101 enum how_t
91 { 102 {
92 ONE = EVUNLOOP_ONE, 103 ONE = EVUNLOOP_ONE,
93 ALL = EVUNLOOP_ALL 104 ALL = EVUNLOOP_ALL
94 }; 105 };
95 106
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
418
96 template<class ev_watcher, class watcher> 419 template<class ev_watcher, class watcher>
97 struct base : ev_watcher 420 struct base : ev_watcher
98 { 421 {
99 #if EV_MULTIPLICITY 422 #if EV_MULTIPLICITY
100 EV_P; 423 EV_PX;
101 424
102 void set (EV_P) 425 void set (EV_PX) throw ()
103 { 426 {
104 this->EV_A = EV_A; 427 this->EV_A = EV_A;
105 } 428 }
106 #endif 429 #endif
107 430
108 base () 431 base (EV_PX) throw ()
432 #if EV_MULTIPLICITY
433 : EV_A (EV_A)
434 #endif
109 { 435 {
110 ev_init (this, 0); 436 ev_init (this, 0);
111 } 437 }
112 438
113 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 ()
114 { 440 {
115 this->data = data; 441 this->data = data;
116 ev_set_cb (static_cast<ev_watcher *>(this), cb); 442 ev_set_cb (static_cast<ev_watcher *>(this), cb);
117 } 443 }
118 444
119 // method callback 445 // method callback
120 template<class K, void (K::*method)(watcher &w, int)> 446 template<class K, void (K::*method)(watcher &w, int)>
121 void set (K *object) 447 void set (K *object) throw ()
122 { 448 {
123 set_ (object, method_thunk<K, method>); 449 set_ (object, method_thunk<K, method>);
124 } 450 }
125 451
126 template<class K, void (K::*method)(watcher &w, int)> 452 template<class K, void (K::*method)(watcher &w, int)>
… …
130 (obj->*method) (*static_cast<watcher *>(w), revents); 456 (obj->*method) (*static_cast<watcher *>(w), revents);
131 } 457 }
132 458
133 // const method callback 459 // const method callback
134 template<class K, void (K::*method)(watcher &w, int) const> 460 template<class K, void (K::*method)(watcher &w, int) const>
135 void set (const K *object) 461 void set (const K *object) throw ()
136 { 462 {
137 set_ (object, const_method_thunk<K, method>); 463 set_ (object, const_method_thunk<K, method>);
138 } 464 }
139 465
140 template<class K, void (K::*method)(watcher &w, int) const> 466 template<class K, void (K::*method)(watcher &w, int) const>
… …
144 (static_cast<K *>(w->data)->*method) (*static_cast<watcher *>(w), revents); 470 (static_cast<K *>(w->data)->*method) (*static_cast<watcher *>(w), revents);
145 } 471 }
146 472
147 // function callback 473 // function callback
148 template<void (*function)(watcher &w, int)> 474 template<void (*function)(watcher &w, int)>
149 void set (void *data = 0) 475 void set (void *data = 0) throw ()
150 { 476 {
151 set_ (data, function_thunk<function>); 477 set_ (data, function_thunk<function>);
152 } 478 }
153 479
154 template<void (*function)(watcher &w, int)> 480 template<void (*function)(watcher &w, int)>
… …
157 function (*static_cast<watcher *>(w), revents); 483 function (*static_cast<watcher *>(w), revents);
158 } 484 }
159 485
160 // simple callback 486 // simple callback
161 template<class K, void (K::*method)()> 487 template<class K, void (K::*method)()>
162 void set (K *object) 488 void set (K *object) throw ()
163 { 489 {
164 set_ (object, method_noargs_thunk<K, method>); 490 set_ (object, method_noargs_thunk<K, method>);
165 } 491 }
166 492
167 template<class K, void (K::*method)()> 493 template<class K, void (K::*method)()>
… …
175 { 501 {
176 return ev_cb (static_cast<ev_watcher *>(this)) 502 return ev_cb (static_cast<ev_watcher *>(this))
177 (static_cast<ev_watcher *>(this), events); 503 (static_cast<ev_watcher *>(this), events);
178 } 504 }
179 505
180 bool is_active () const 506 bool is_active () const throw ()
181 { 507 {
182 return ev_is_active (static_cast<const ev_watcher *>(this)); 508 return ev_is_active (static_cast<const ev_watcher *>(this));
183 } 509 }
184 510
185 bool is_pending () const 511 bool is_pending () const throw ()
186 { 512 {
187 return ev_is_pending (static_cast<const ev_watcher *>(this)); 513 return ev_is_pending (static_cast<const ev_watcher *>(this));
188 } 514 }
189 515
190 void feed_event (int revents) 516 void feed_event (int revents) throw ()
191 { 517 {
192 ev_feed_event (EV_A_ static_cast<const ev_watcher *>(this), revents); 518 ev_feed_event (EV_A_ static_cast<const ev_watcher *>(this), revents);
193 } 519 }
194 }; 520 };
195 521
522 inline tstamp now () throw ()
523 {
524 return ev_time ();
525 }
526
196 inline void delay (tstamp interval) 527 inline void delay (tstamp interval) throw ()
197 { 528 {
198 ev_sleep (interval); 529 ev_sleep (interval);
199 } 530 }
200 531
201 inline int version_major () 532 inline int version_major () throw ()
202 { 533 {
203 return ev_version_major (); 534 return ev_version_major ();
204 } 535 }
205 536
206 inline int version_minor () 537 inline int version_minor () throw ()
207 { 538 {
208 return ev_version_minor (); 539 return ev_version_minor ();
209 } 540 }
210 541
211 inline unsigned int supported_backends () 542 inline unsigned int supported_backends () throw ()
212 { 543 {
213 return ev_supported_backends (); 544 return ev_supported_backends ();
214 } 545 }
215 546
216 inline unsigned int recommended_backends () 547 inline unsigned int recommended_backends () throw ()
217 { 548 {
218 return ev_recommended_backends (); 549 return ev_recommended_backends ();
219 } 550 }
220 551
221 inline unsigned int embeddable_backends () 552 inline unsigned int embeddable_backends () throw ()
222 { 553 {
223 return ev_embeddable_backends (); 554 return ev_embeddable_backends ();
224 } 555 }
225 556
226 inline void set_allocator (void *(*cb)(void *ptr, long size)) 557 inline void set_allocator (void *(*cb)(void *ptr, long size)) throw ()
227 { 558 {
228 ev_set_allocator (cb); 559 ev_set_allocator (cb);
229 } 560 }
230 561
231 inline void set_syserr_cb (void (*cb)(const char *msg)) 562 inline void set_syserr_cb (void (*cb)(const char *msg)) throw ()
232 { 563 {
233 ev_set_syserr_cb (cb); 564 ev_set_syserr_cb (cb);
234 } 565 }
235 566
236
237 inline ev_tstamp now (EV_P)
238 {
239 return ev_now (EV_A);
240 }
241
242 #if EV_MULTIPLICITY 567 #if EV_MULTIPLICITY
243 #define EV_CONSTRUCT \ 568 #define EV_CONSTRUCT(cppstem,cstem) \
244 (EV_P = EV_DEFAULT) \ 569 (EV_PX = get_default_loop ()) throw () \
570 : base<ev_ ## cstem, cppstem> (EV_A) \
245 { \ 571 { \
246 set (EV_A); \
247 } 572 }
248 #else 573 #else
249 #define EV_CONSTRUCT \ 574 #define EV_CONSTRUCT(cppstem,cstem) \
250 () \ 575 () throw () \
251 { \ 576 { \
252 } 577 }
253 #endif 578 #endif
254 579
255 /* using a template here would require quite a bit more lines, 580 /* using a template here would require quite a bit more lines,
256 * so a macro solution was chosen */ 581 * so a macro solution was chosen */
257 #define EV_BEGIN_WATCHER(cppstem,cstem) \ 582 #define EV_BEGIN_WATCHER(cppstem,cstem) \
258 \ 583 \
259 struct cppstem : base<ev_ ## cstem, cppstem> \ 584 struct cppstem : base<ev_ ## cstem, cppstem> \
260 { \ 585 { \
261 void start () \ 586 void start () throw () \
262 { \ 587 { \
263 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 588 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \
264 } \ 589 } \
265 \ 590 \
266 void stop () \ 591 void stop () throw () \
267 { \ 592 { \
268 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 593 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \
269 } \ 594 } \
270 \ 595 \
271 cppstem EV_CONSTRUCT \ 596 cppstem EV_CONSTRUCT(cppstem,cstem) \
272 \ 597 \
273 ~cppstem () \ 598 ~cppstem () throw () \
274 { \ 599 { \
275 stop (); \ 600 stop (); \
276 } \ 601 } \
277 \ 602 \
278 using base<ev_ ## cstem, cppstem>::set; \ 603 using base<ev_ ## cstem, cppstem>::set; \
279 \ 604 \
280 private: \ 605 private: \
281 \ 606 \
282 cppstem (const cppstem &o); \ 607 cppstem (const cppstem &o); \
283 \ 608 \
284 cppstem & operator =(const cppstem &o); \ 609 cppstem &operator =(const cppstem &o); \
285 \ 610 \
286 public: 611 public:
287 612
288 #define EV_END_WATCHER(cppstem,cstem) \ 613 #define EV_END_WATCHER(cppstem,cstem) \
289 }; 614 };
290 615
291 EV_BEGIN_WATCHER (io, io) 616 EV_BEGIN_WATCHER (io, io)
292 void set (int fd, int events) 617 void set (int fd, int events) throw ()
293 { 618 {
294 int active = is_active (); 619 int active = is_active ();
295 if (active) stop (); 620 if (active) stop ();
296 ev_io_set (static_cast<ev_io *>(this), fd, events); 621 ev_io_set (static_cast<ev_io *>(this), fd, events);
297 if (active) start (); 622 if (active) start ();
298 } 623 }
299 624
300 void set (int events) 625 void set (int events) throw ()
301 { 626 {
302 int active = is_active (); 627 int active = is_active ();
303 if (active) stop (); 628 if (active) stop ();
304 ev_io_set (static_cast<ev_io *>(this), fd, events); 629 ev_io_set (static_cast<ev_io *>(this), fd, events);
305 if (active) start (); 630 if (active) start ();
306 } 631 }
307 632
308 void start (int fd, int events) 633 void start (int fd, int events) throw ()
309 { 634 {
310 set (fd, events); 635 set (fd, events);
311 start (); 636 start ();
312 } 637 }
313 EV_END_WATCHER (io, io) 638 EV_END_WATCHER (io, io)
314 639
315 EV_BEGIN_WATCHER (timer, timer) 640 EV_BEGIN_WATCHER (timer, timer)
316 void set (ev_tstamp after, ev_tstamp repeat = 0.) 641 void set (ev_tstamp after, ev_tstamp repeat = 0.) throw ()
317 { 642 {
318 int active = is_active (); 643 int active = is_active ();
319 if (active) stop (); 644 if (active) stop ();
320 ev_timer_set (static_cast<ev_timer *>(this), after, repeat); 645 ev_timer_set (static_cast<ev_timer *>(this), after, repeat);
321 if (active) start (); 646 if (active) start ();
322 } 647 }
323 648
324 void start (ev_tstamp after, ev_tstamp repeat = 0.) 649 void start (ev_tstamp after, ev_tstamp repeat = 0.) throw ()
325 { 650 {
326 set (after, repeat); 651 set (after, repeat);
327 start (); 652 start ();
328 } 653 }
329 654
330 void again () 655 void again () throw ()
331 { 656 {
332 ev_timer_again (EV_A_ static_cast<ev_timer *>(this)); 657 ev_timer_again (EV_A_ static_cast<ev_timer *>(this));
333 } 658 }
334 EV_END_WATCHER (timer, timer) 659 EV_END_WATCHER (timer, timer)
335 660
336 #if EV_PERIODIC_ENABLE 661 #if EV_PERIODIC_ENABLE
337 EV_BEGIN_WATCHER (periodic, periodic) 662 EV_BEGIN_WATCHER (periodic, periodic)
338 void set (ev_tstamp at, ev_tstamp interval = 0.) 663 void set (ev_tstamp at, ev_tstamp interval = 0.) throw ()
339 { 664 {
340 int active = is_active (); 665 int active = is_active ();
341 if (active) stop (); 666 if (active) stop ();
342 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0); 667 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0);
343 if (active) start (); 668 if (active) start ();
344 } 669 }
345 670
346 void start (ev_tstamp at, ev_tstamp interval = 0.) 671 void start (ev_tstamp at, ev_tstamp interval = 0.) throw ()
347 { 672 {
348 set (at, interval); 673 set (at, interval);
349 start (); 674 start ();
350 } 675 }
351 676
352 void again () 677 void again () throw ()
353 { 678 {
354 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this)); 679 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this));
355 } 680 }
356 EV_END_WATCHER (periodic, periodic) 681 EV_END_WATCHER (periodic, periodic)
357 #endif 682 #endif
358 683
359 EV_BEGIN_WATCHER (sig, signal) 684 EV_BEGIN_WATCHER (sig, signal)
360 void set (int signum) 685 void set (int signum) throw ()
361 { 686 {
362 int active = is_active (); 687 int active = is_active ();
363 if (active) stop (); 688 if (active) stop ();
364 ev_signal_set (static_cast<ev_signal *>(this), signum); 689 ev_signal_set (static_cast<ev_signal *>(this), signum);
365 if (active) start (); 690 if (active) start ();
366 } 691 }
367 692
368 void start (int signum) 693 void start (int signum) throw ()
369 { 694 {
370 set (signum); 695 set (signum);
371 start (); 696 start ();
372 } 697 }
373 EV_END_WATCHER (sig, signal) 698 EV_END_WATCHER (sig, signal)
374 699
375 EV_BEGIN_WATCHER (child, child) 700 EV_BEGIN_WATCHER (child, child)
376 void set (int pid) 701 void set (int pid, int trace = 0) throw ()
377 { 702 {
378 int active = is_active (); 703 int active = is_active ();
379 if (active) stop (); 704 if (active) stop ();
380 ev_child_set (static_cast<ev_child *>(this), pid); 705 ev_child_set (static_cast<ev_child *>(this), pid, trace);
381 if (active) start (); 706 if (active) start ();
382 } 707 }
383 708
384 void start (int pid) 709 void start (int pid, int trace = 0) throw ()
385 { 710 {
386 set (pid); 711 set (pid, trace);
387 start (); 712 start ();
388 } 713 }
389 EV_END_WATCHER (child, child) 714 EV_END_WATCHER (child, child)
390 715
391 #if EV_STAT_ENABLE 716 #if EV_STAT_ENABLE
392 EV_BEGIN_WATCHER (stat, stat) 717 EV_BEGIN_WATCHER (stat, stat)
393 void set (const char *path, ev_tstamp interval = 0.) 718 void set (const char *path, ev_tstamp interval = 0.) throw ()
394 { 719 {
395 int active = is_active (); 720 int active = is_active ();
396 if (active) stop (); 721 if (active) stop ();
397 ev_stat_set (static_cast<ev_stat *>(this), path, interval); 722 ev_stat_set (static_cast<ev_stat *>(this), path, interval);
398 if (active) start (); 723 if (active) start ();
399 } 724 }
400 725
401 void start (const char *path, ev_tstamp interval = 0.) 726 void start (const char *path, ev_tstamp interval = 0.) throw ()
402 { 727 {
403 stop (); 728 stop ();
404 set (path, interval); 729 set (path, interval);
405 start (); 730 start ();
406 } 731 }
407 732
408 void update () 733 void update () throw ()
409 { 734 {
410 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this)); 735 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this));
411 } 736 }
412 EV_END_WATCHER (stat, stat) 737 EV_END_WATCHER (stat, stat)
413 #endif 738 #endif
414 739
415 EV_BEGIN_WATCHER (idle, idle) 740 EV_BEGIN_WATCHER (idle, idle)
416 void set () { } 741 void set () throw () { }
417 EV_END_WATCHER (idle, idle) 742 EV_END_WATCHER (idle, idle)
418 743
419 EV_BEGIN_WATCHER (prepare, prepare) 744 EV_BEGIN_WATCHER (prepare, prepare)
420 void set () { } 745 void set () throw () { }
421 EV_END_WATCHER (prepare, prepare) 746 EV_END_WATCHER (prepare, prepare)
422 747
423 EV_BEGIN_WATCHER (check, check) 748 EV_BEGIN_WATCHER (check, check)
424 void set () { } 749 void set () throw () { }
425 EV_END_WATCHER (check, check) 750 EV_END_WATCHER (check, check)
426 751
427 #if EV_EMBED_ENABLE 752 #if EV_EMBED_ENABLE
428 EV_BEGIN_WATCHER (embed, embed) 753 EV_BEGIN_WATCHER (embed, embed)
429 void start (struct ev_loop *embedded_loop) 754 void set (struct ev_loop *embedded_loop) throw ()
430 { 755 {
431 stop (); 756 int active = is_active ();
757 if (active) stop ();
432 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);
433 start (); 765 start ();
434 } 766 }
435 767
436 void sweep () 768 void sweep ()
437 { 769 {
… …
440 EV_END_WATCHER (embed, embed) 772 EV_END_WATCHER (embed, embed)
441 #endif 773 #endif
442 774
443 #if EV_FORK_ENABLE 775 #if EV_FORK_ENABLE
444 EV_BEGIN_WATCHER (fork, fork) 776 EV_BEGIN_WATCHER (fork, fork)
445 void set () { } 777 void set () throw () { }
446 EV_END_WATCHER (fork, fork) 778 EV_END_WATCHER (fork, fork)
447 #endif 779 #endif
448 780
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_
449 #undef EV_CONSTRUCT 799 #undef EV_CONSTRUCT
450 #undef EV_BEGIN_WATCHER 800 #undef EV_BEGIN_WATCHER
451 #undef EV_END_WATCHER 801 #undef EV_END_WATCHER
452} 802}
453 803

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