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/cvs/EV/EV.xs
Revision: 1.136
Committed: Tue Mar 16 17:11:48 2010 UTC (14 years, 2 months ago) by root
Branch: MAIN
Changes since 1.135: +3 -1 lines
Log Message:
*** empty log message ***

File Contents

# Content
1 #include "EXTERN.h"
2 #include "perl.h"
3 #include "XSUB.h"
4
5 /* fix perl api breakage */
6 #undef signal
7 #undef sigaction
8
9 #include "schmorp.h"
10
11 /* old API compatibility */
12 static int
13 sv_fileno (SV *fh)
14 {
15 return s_fileno (fh, 0);
16 }
17
18 #define EV_STANDALONE 1
19 #define EV_PROTOTYPES 1
20 #define EV_USE_NANOSLEEP EV_USE_MONOTONIC
21 #define EV_H <ev.h>
22 #define EV_CONFIG_H error
23 #include "EV/EVAPI.h"
24
25 #define EV_SELECT_IS_WINSOCKET 0
26 #ifdef _WIN32
27 # define EV_SELECT_USE_FD_SET 0
28 # define NFDBITS PERL_NFDBITS
29 # define fd_mask Perl_fd_mask
30 #endif
31 /* due to bugs in OS X we have to use libev/ explicitly here */
32 #include "libev/ev.c"
33
34 #ifndef _WIN32
35 # include <pthread.h>
36 #endif
37
38 #define e_loop(w) INT2PTR (struct ev_loop *, SvIVX ((w)->loop))
39
40 #define WFLAG_KEEPALIVE 1
41 #define WFLAG_UNREFED 2 /* has been unref'ed */
42
43 #define UNREF(w) \
44 if (!((w)->e_flags & (WFLAG_KEEPALIVE | WFLAG_UNREFED)) \
45 && ev_is_active (w)) \
46 { \
47 ev_unref (e_loop (w)); \
48 (w)->e_flags |= WFLAG_UNREFED; \
49 }
50
51 #define REF(w) \
52 if ((w)->e_flags & WFLAG_UNREFED) \
53 { \
54 (w)->e_flags &= ~WFLAG_UNREFED; \
55 ev_ref (e_loop (w)); \
56 }
57
58 #define START(type,w) \
59 do { \
60 ev_ ## type ## _start (e_loop (w), w); \
61 UNREF (w); \
62 } while (0)
63
64 #define STOP(type,w) \
65 do { \
66 REF (w); \
67 ev_ ## type ## _stop (e_loop (w), w); \
68 } while (0)
69
70 #define RESET(type,w,seta) \
71 do { \
72 int active = ev_is_active (w); \
73 if (active) STOP (type, w); \
74 ev_ ## type ## _set seta; \
75 if (active) START (type, w); \
76 } while (0)
77
78 typedef int Signal;
79
80 /* horrible... */
81 #define CHECK_SIGNAL_CAN_START(w) \
82 do { \
83 /* dive into the internals of libev to avoid aborting in libev */ \
84 if (signals [(w)->signum - 1].loop \
85 && signals [(w)->signum - 1].loop != e_loop (w)) \
86 croak ("unable to start signal watcher, signal %d already registered in another loop", w->signum); \
87 } while (0)
88
89 #define START_SIGNAL(w) \
90 do { \
91 CHECK_SIGNAL_CAN_START (w); \
92 START (signal, w); \
93 } while (0) \
94
95 #define RESET_SIGNAL(w,seta) \
96 do { \
97 int active = ev_is_active (w); \
98 if (active) STOP (signal, w); \
99 ev_ ## signal ## _set seta; \
100 if (active) START_SIGNAL (w); \
101 } while (0)
102
103 static SV *default_loop_sv;
104
105 static struct EVAPI evapi;
106
107 static HV
108 *stash_loop,
109 *stash_watcher,
110 *stash_io,
111 *stash_timer,
112 *stash_periodic,
113 *stash_signal,
114 *stash_child,
115 *stash_stat,
116 *stash_idle,
117 *stash_prepare,
118 *stash_check,
119 *stash_embed,
120 *stash_fork,
121 *stash_async;
122
123 /////////////////////////////////////////////////////////////////////////////
124 // Event
125
126 static void e_cb (EV_P_ ev_watcher *w, int revents);
127
128 static void *
129 e_new (int size, SV *cb_sv, SV *loop)
130 {
131 SV *cv = cb_sv ? s_get_cv_croak (cb_sv) : 0;
132 ev_watcher *w;
133 SV *self = NEWSV (0, size);
134 SvPOK_only (self);
135 SvCUR_set (self, size);
136
137 w = (ev_watcher *)SvPVX (self);
138
139 ev_init (w, cv ? e_cb : 0);
140
141 w->loop = SvREFCNT_inc (SvRV (loop));
142 w->e_flags = WFLAG_KEEPALIVE;
143 w->data = 0;
144 w->fh = 0;
145 w->cb_sv = SvREFCNT_inc (cv);
146 w->self = self;
147
148 return (void *)w;
149 }
150
151 static void
152 e_destroy (void *w_)
153 {
154 ev_watcher *w = (ev_watcher *)w_;
155
156 SvREFCNT_dec (w->loop ); w->loop = 0;
157 SvREFCNT_dec (w->fh ); w->fh = 0;
158 SvREFCNT_dec (w->cb_sv); w->cb_sv = 0;
159 SvREFCNT_dec (w->data ); w->data = 0;
160 }
161
162 static SV *
163 e_bless (ev_watcher *w, HV *stash)
164 {
165 SV *rv;
166
167 if (SvOBJECT (w->self))
168 rv = newRV_inc (w->self);
169 else
170 {
171 rv = newRV_noinc (w->self);
172 sv_bless (rv, stash);
173 SvREADONLY_on (w->self);
174 }
175
176 return rv;
177 }
178
179 static SV *sv_self_cache, *sv_events_cache;
180
181 static void
182 e_cb (EV_P_ ev_watcher *w, int revents)
183 {
184 dSP;
185 I32 mark = SP - PL_stack_base;
186 SV *sv_self, *sv_events;
187
188 /* libev might have stopped the watcher */
189 if (expect_false (w->e_flags & WFLAG_UNREFED)
190 && !ev_is_active (w))
191 REF (w);
192
193 if (expect_true (sv_self_cache))
194 {
195 sv_self = sv_self_cache; sv_self_cache = 0;
196 SvRV_set (sv_self, SvREFCNT_inc_NN (w->self));
197 }
198 else
199 {
200 sv_self = newRV_inc (w->self); /* w->self MUST be blessed by now */
201 SvREADONLY_on (sv_self);
202 }
203
204 if (expect_true (sv_events_cache))
205 {
206 sv_events = sv_events_cache; sv_events_cache = 0;
207 SvIV_set (sv_events, revents);
208 }
209 else
210 {
211 sv_events = newSViv (revents);
212 SvREADONLY_on (sv_events);
213 }
214
215 PUSHMARK (SP);
216 EXTEND (SP, 2);
217 PUSHs (sv_self);
218 PUSHs (sv_events);
219
220 PUTBACK;
221 call_sv (w->cb_sv, G_DISCARD | G_VOID | G_EVAL);
222
223 if (expect_false (SvREFCNT (sv_self) != 1 || sv_self_cache))
224 SvREFCNT_dec (sv_self);
225 else
226 {
227 SvREFCNT_dec (SvRV (sv_self));
228 SvRV_set (sv_self, &PL_sv_undef);
229 sv_self_cache = sv_self;
230 }
231
232 if (expect_false (SvREFCNT (sv_events) != 1 || sv_events_cache))
233 SvREFCNT_dec (sv_events);
234 else
235 sv_events_cache = sv_events;
236
237 if (expect_false (SvTRUE (ERRSV)))
238 {
239 SPAGAIN;
240 PUSHMARK (SP);
241 PUTBACK;
242 call_sv (get_sv ("EV::DIED", 1), G_DISCARD | G_VOID | G_EVAL | G_KEEPERR);
243 }
244
245 SP = PL_stack_base + mark;
246 PUTBACK;
247 }
248
249 static void
250 e_once_cb (int revents, void *arg)
251 {
252 dSP;
253 I32 mark = SP - PL_stack_base;
254 SV *sv_events;
255
256 if (sv_events_cache)
257 {
258 sv_events = sv_events_cache; sv_events_cache = 0;
259 SvIV_set (sv_events, revents);
260 }
261 else
262 sv_events = newSViv (revents);
263
264 PUSHMARK (SP);
265 XPUSHs (sv_events);
266
267 PUTBACK;
268 call_sv ((SV *)arg, G_DISCARD | G_VOID | G_EVAL);
269
270 SvREFCNT_dec ((SV *)arg);
271
272 if (sv_events_cache)
273 SvREFCNT_dec (sv_events);
274 else
275 sv_events_cache = sv_events;
276
277 if (SvTRUE (ERRSV))
278 {
279 SPAGAIN;
280 PUSHMARK (SP);
281 PUTBACK;
282 call_sv (get_sv ("EV::DIED", 1), G_DISCARD | G_VOID | G_EVAL | G_KEEPERR);
283 }
284
285 SP = PL_stack_base + mark;
286 PUTBACK;
287 }
288
289 static ev_tstamp
290 e_periodic_cb (ev_periodic *w, ev_tstamp now)
291 {
292 ev_tstamp retval;
293 int count;
294 dSP;
295
296 ENTER;
297 SAVETMPS;
298
299 PUSHMARK (SP);
300 EXTEND (SP, 2);
301 PUSHs (newRV_inc (w->self)); /* w->self MUST be blessed by now */
302 PUSHs (newSVnv (now));
303
304 PUTBACK;
305 count = call_sv (w->fh, G_SCALAR | G_EVAL);
306 SPAGAIN;
307
308 if (SvTRUE (ERRSV))
309 {
310 PUSHMARK (SP);
311 PUTBACK;
312 call_sv (get_sv ("EV::DIED", 1), G_DISCARD | G_VOID | G_EVAL | G_KEEPERR);
313 SPAGAIN;
314 }
315
316 if (count > 0)
317 {
318 retval = SvNV (TOPs);
319
320 if (retval < now)
321 retval = now;
322 }
323 else
324 retval = now;
325
326 FREETMPS;
327 LEAVE;
328
329 return retval;
330 }
331
332 #define CHECK_REPEAT(repeat) if (repeat < 0.) \
333 croak (# repeat " value must be >= 0");
334
335 #define CHECK_FD(fh,fd) if ((fd) < 0) \
336 croak ("illegal file descriptor or filehandle (either no attached file descriptor or illegal value): %s", SvPV_nolen (fh));
337
338 #define CHECK_SIG(sv,num) if ((num) < 0) \
339 croak ("illegal signal number or name: %s", SvPV_nolen (sv));
340
341 /////////////////////////////////////////////////////////////////////////////
342 // XS interface functions
343
344 MODULE = EV PACKAGE = EV PREFIX = ev_
345
346 PROTOTYPES: ENABLE
347
348 BOOT:
349 {
350 HV *stash = gv_stashpv ("EV", 1);
351
352 static const struct {
353 const char *name;
354 IV iv;
355 } *civ, const_iv[] = {
356 # define const_iv(pfx, name) { # name, (IV) pfx ## name },
357 const_iv (EV_, MINPRI)
358 const_iv (EV_, MAXPRI)
359
360 const_iv (EV_, UNDEF)
361 const_iv (EV_, NONE)
362 const_iv (EV_, READ)
363 const_iv (EV_, WRITE)
364 const_iv (EV_, IO)
365 const_iv (EV_, TIMEOUT) /* deprecated */
366 const_iv (EV_, TIMER)
367 const_iv (EV_, PERIODIC)
368 const_iv (EV_, SIGNAL)
369 const_iv (EV_, CHILD)
370 const_iv (EV_, STAT)
371 const_iv (EV_, IDLE)
372 const_iv (EV_, PREPARE)
373 const_iv (EV_, CHECK)
374 const_iv (EV_, EMBED)
375 const_iv (EV_, FORK)
376 const_iv (EV_, ASYNC)
377 const_iv (EV_, CUSTOM)
378 const_iv (EV_, ERROR)
379
380 const_iv (EV, LOOP_NONBLOCK)
381 const_iv (EV, LOOP_ONESHOT)
382
383 const_iv (EV, UNLOOP_CANCEL)
384 const_iv (EV, UNLOOP_ONE)
385 const_iv (EV, UNLOOP_ALL)
386
387 const_iv (EV, BACKEND_SELECT)
388 const_iv (EV, BACKEND_POLL)
389 const_iv (EV, BACKEND_EPOLL)
390 const_iv (EV, BACKEND_KQUEUE)
391 const_iv (EV, BACKEND_DEVPOLL)
392 const_iv (EV, BACKEND_PORT)
393 const_iv (EV, BACKEND_ALL)
394 const_iv (EV, FLAG_AUTO)
395 const_iv (EV, FLAG_FORKCHECK)
396 const_iv (EV, FLAG_SIGNALFD)
397 const_iv (EV, FLAG_NOENV)
398 const_iv (EV, FLAG_NOSIGFD) /* compatibility, always 0 */
399 const_iv (EV, FLAG_NOINOTIFY)
400
401 const_iv (EV_, VERSION_MAJOR)
402 const_iv (EV_, VERSION_MINOR)
403 };
404
405 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
406 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
407
408 stash_loop = gv_stashpv ("EV::Loop" , 1);
409 stash_watcher = gv_stashpv ("EV::Watcher" , 1);
410 stash_io = gv_stashpv ("EV::IO" , 1);
411 stash_timer = gv_stashpv ("EV::Timer" , 1);
412 stash_periodic = gv_stashpv ("EV::Periodic", 1);
413 stash_signal = gv_stashpv ("EV::Signal" , 1);
414 stash_idle = gv_stashpv ("EV::Idle" , 1);
415 stash_prepare = gv_stashpv ("EV::Prepare" , 1);
416 stash_check = gv_stashpv ("EV::Check" , 1);
417 stash_child = gv_stashpv ("EV::Child" , 1);
418 stash_embed = gv_stashpv ("EV::Embed" , 1);
419 stash_stat = gv_stashpv ("EV::Stat" , 1);
420 stash_fork = gv_stashpv ("EV::Fork" , 1);
421 stash_async = gv_stashpv ("EV::Async" , 1);
422
423 {
424 SV *sv = perl_get_sv ("EV::API", TRUE);
425 perl_get_sv ("EV::API", TRUE); /* silence 5.10 warning */
426
427 /* the poor man's shared library emulator */
428 evapi.ver = EV_API_VERSION;
429 evapi.rev = EV_API_REVISION;
430 evapi.sv_fileno = sv_fileno;
431 evapi.sv_signum = s_signum;
432 evapi.supported_backends = ev_supported_backends ();
433 evapi.recommended_backends = ev_recommended_backends ();
434 evapi.embeddable_backends = ev_embeddable_backends ();
435 evapi.time_ = ev_time;
436 evapi.sleep_ = ev_sleep;
437 evapi.loop_new = ev_loop_new;
438 evapi.loop_destroy = ev_loop_destroy;
439 evapi.loop_fork = ev_loop_fork;
440 evapi.loop_count = ev_loop_count;
441 evapi.loop_depth = ev_loop_depth;
442 evapi.set_userdata = ev_set_userdata;
443 evapi.userdata = ev_userdata;
444 evapi.now = ev_now;
445 evapi.now_update = ev_now_update;
446 evapi.suspend = ev_suspend;
447 evapi.resume = ev_resume;
448 evapi.backend = ev_backend;
449 evapi.unloop = ev_unloop;
450 evapi.invoke_pending = ev_invoke_pending;
451 evapi.pending_count = ev_pending_count;
452 evapi.set_loop_release_cb = ev_set_loop_release_cb;
453 evapi.set_invoke_pending_cb= ev_set_invoke_pending_cb;
454 evapi.ref = ev_ref;
455 evapi.unref = ev_unref;
456 evapi.loop = ev_loop;
457 evapi.once = ev_once;
458 evapi.io_start = ev_io_start;
459 evapi.io_stop = ev_io_stop;
460 evapi.timer_start = ev_timer_start;
461 evapi.timer_stop = ev_timer_stop;
462 evapi.timer_again = ev_timer_again;
463 evapi.timer_remaining = ev_timer_remaining;
464 evapi.periodic_start = ev_periodic_start;
465 evapi.periodic_stop = ev_periodic_stop;
466 evapi.signal_start = ev_signal_start;
467 evapi.signal_stop = ev_signal_stop;
468 evapi.idle_start = ev_idle_start;
469 evapi.idle_stop = ev_idle_stop;
470 evapi.prepare_start = ev_prepare_start;
471 evapi.prepare_stop = ev_prepare_stop;
472 evapi.check_start = ev_check_start;
473 evapi.check_stop = ev_check_stop;
474 evapi.child_start = ev_child_start;
475 evapi.child_stop = ev_child_stop;
476 evapi.stat_start = ev_stat_start;
477 evapi.stat_stop = ev_stat_stop;
478 evapi.stat_stat = ev_stat_stat;
479 evapi.embed_start = ev_embed_start;
480 evapi.embed_stop = ev_embed_stop;
481 evapi.embed_sweep = ev_embed_sweep;
482 evapi.fork_start = ev_fork_start;
483 evapi.fork_stop = ev_fork_stop;
484 evapi.async_start = ev_async_start;
485 evapi.async_stop = ev_async_stop;
486 evapi.async_send = ev_async_send;
487 evapi.clear_pending = ev_clear_pending;
488 evapi.invoke = ev_invoke;
489
490 sv_setiv (sv, (IV)&evapi);
491 SvREADONLY_on (sv);
492 }
493 #ifndef _WIN32
494 pthread_atfork (0, 0, ev_default_fork);
495 #endif
496 }
497
498 SV *ev_default_loop (unsigned int flags = 0)
499 CODE:
500 {
501 if (!default_loop_sv)
502 {
503 evapi.default_loop = ev_default_loop (flags);
504
505 if (!evapi.default_loop)
506 XSRETURN_UNDEF;
507
508 default_loop_sv = sv_bless (newRV_noinc (newSViv (PTR2IV (evapi.default_loop))), stash_loop);
509 }
510
511 RETVAL = newSVsv (default_loop_sv);
512 }
513 OUTPUT:
514 RETVAL
515
516 void ev_default_destroy ()
517 CODE:
518 ev_default_destroy ();
519 SvREFCNT_dec (default_loop_sv);
520 default_loop_sv = 0;
521
522 unsigned int ev_supported_backends ()
523
524 unsigned int ev_recommended_backends ()
525
526 unsigned int ev_embeddable_backends ()
527
528 void ev_sleep (NV interval)
529
530 NV ev_time ()
531
532 NV ev_now ()
533 C_ARGS: evapi.default_loop
534
535 void ev_now_update ()
536 C_ARGS: evapi.default_loop
537
538 void ev_suspend ()
539 C_ARGS: evapi.default_loop
540
541 void ev_resume ()
542 C_ARGS: evapi.default_loop
543
544 unsigned int ev_backend ()
545 C_ARGS: evapi.default_loop
546
547 void ev_loop_verify ()
548 C_ARGS: evapi.default_loop
549
550 unsigned int ev_loop_count ()
551 C_ARGS: evapi.default_loop
552
553 unsigned int ev_loop_depth ()
554 C_ARGS: evapi.default_loop
555
556 void ev_set_io_collect_interval (NV interval)
557 C_ARGS: evapi.default_loop, interval
558
559 void ev_set_timeout_collect_interval (NV interval)
560 C_ARGS: evapi.default_loop, interval
561
562 void ev_loop (int flags = 0)
563 C_ARGS: evapi.default_loop, flags
564
565 void ev_unloop (int how = EVUNLOOP_ONE)
566 C_ARGS: evapi.default_loop, how
567
568 void ev_feed_fd_event (int fd, int revents = EV_NONE)
569 C_ARGS: evapi.default_loop, fd, revents
570
571 void ev_feed_signal_event (SV *signal)
572 CODE:
573 {
574 Signal signum = s_signum (signal);
575 CHECK_SIG (signal, signum);
576
577 ev_feed_signal_event (evapi.default_loop, signum);
578 }
579
580 unsigned int ev_pending_count ()
581 C_ARGS: evapi.default_loop
582
583 void ev_invoke_pending ()
584 C_ARGS: evapi.default_loop
585
586 ev_io *io (SV *fh, int events, SV *cb)
587 ALIAS:
588 io_ns = 1
589 _ae_io = 2
590 CODE:
591 {
592 int fd = s_fileno (fh, events & EV_WRITE);
593 CHECK_FD (fh, fd);
594
595 if (ix == 2)
596 {
597 ix = 0;
598 events = events ? EV_WRITE : EV_READ;
599 }
600
601 RETVAL = e_new (sizeof (ev_io), cb, default_loop_sv);
602 RETVAL->fh = newSVsv (fh);
603 ev_io_set (RETVAL, fd, events);
604 if (!ix) START (io, RETVAL);
605 }
606 OUTPUT:
607 RETVAL
608
609 ev_timer *timer (NV after, NV repeat, SV *cb)
610 ALIAS:
611 timer_ns = 1
612 INIT:
613 CHECK_REPEAT (repeat);
614 CODE:
615 RETVAL = e_new (sizeof (ev_timer), cb, default_loop_sv);
616 ev_timer_set (RETVAL, after, repeat);
617 if (!ix) START (timer, RETVAL);
618 OUTPUT:
619 RETVAL
620
621 SV *periodic (NV at, NV interval, SV *reschedule_cb, SV *cb)
622 ALIAS:
623 periodic_ns = 1
624 INIT:
625 CHECK_REPEAT (interval);
626 CODE:
627 {
628 ev_periodic *w;
629 w = e_new (sizeof (ev_periodic), cb, default_loop_sv);
630 w->fh = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
631 ev_periodic_set (w, at, interval, w->fh ? e_periodic_cb : 0);
632 RETVAL = e_bless ((ev_watcher *)w, stash_periodic);
633 if (!ix) START (periodic, w);
634 }
635 OUTPUT:
636 RETVAL
637
638 ev_signal *signal (SV *signal, SV *cb)
639 ALIAS:
640 signal_ns = 1
641 CODE:
642 {
643 Signal signum = s_signum (signal);
644 CHECK_SIG (signal, signum);
645
646 RETVAL = e_new (sizeof (ev_signal), cb, default_loop_sv);
647 ev_signal_set (RETVAL, signum);
648 if (!ix) START_SIGNAL (RETVAL);
649 }
650 OUTPUT:
651 RETVAL
652
653 ev_idle *idle (SV *cb)
654 ALIAS:
655 idle_ns = 1
656 CODE:
657 RETVAL = e_new (sizeof (ev_idle), cb, default_loop_sv);
658 ev_idle_set (RETVAL);
659 if (!ix) START (idle, RETVAL);
660 OUTPUT:
661 RETVAL
662
663 ev_prepare *prepare (SV *cb)
664 ALIAS:
665 prepare_ns = 1
666 CODE:
667 RETVAL = e_new (sizeof (ev_prepare), cb, default_loop_sv);
668 ev_prepare_set (RETVAL);
669 if (!ix) START (prepare, RETVAL);
670 OUTPUT:
671 RETVAL
672
673 ev_check *check (SV *cb)
674 ALIAS:
675 check_ns = 1
676 CODE:
677 RETVAL = e_new (sizeof (ev_check), cb, default_loop_sv);
678 ev_check_set (RETVAL);
679 if (!ix) START (check, RETVAL);
680 OUTPUT:
681 RETVAL
682
683 ev_fork *fork (SV *cb)
684 ALIAS:
685 fork_ns = 1
686 CODE:
687 RETVAL = e_new (sizeof (ev_fork), cb, default_loop_sv);
688 ev_fork_set (RETVAL);
689 if (!ix) START (fork, RETVAL);
690 OUTPUT:
691 RETVAL
692
693 ev_child *child (int pid, int trace, SV *cb)
694 ALIAS:
695 child_ns = 1
696 CODE:
697 RETVAL = e_new (sizeof (ev_child), cb, default_loop_sv);
698 ev_child_set (RETVAL, pid, trace);
699 if (!ix) START (child, RETVAL);
700 OUTPUT:
701 RETVAL
702
703 ev_stat *stat (SV *path, NV interval, SV *cb)
704 ALIAS:
705 stat_ns = 1
706 CODE:
707 RETVAL = e_new (sizeof (ev_stat), cb, default_loop_sv);
708 RETVAL->fh = newSVsv (path);
709 ev_stat_set (RETVAL, SvPVbyte_nolen (RETVAL->fh), interval);
710 if (!ix) START (stat, RETVAL);
711 OUTPUT:
712 RETVAL
713
714 ev_embed *embed (struct ev_loop *loop, SV *cb = 0)
715 ALIAS:
716 embed_ns = 1
717 CODE:
718 {
719 if (!(ev_backend (loop) & ev_embeddable_backends ()))
720 croak ("passed loop is not embeddable via EV::embed,");
721
722 RETVAL = e_new (sizeof (ev_embed), cb, default_loop_sv);
723 RETVAL->fh = newSVsv (ST (0));
724 ev_embed_set (RETVAL, loop);
725 if (!ix) START (embed, RETVAL);
726 }
727 OUTPUT:
728 RETVAL
729
730 ev_async *async (SV *cb)
731 ALIAS:
732 async_ns = 1
733 CODE:
734 RETVAL = e_new (sizeof (ev_async), cb, default_loop_sv);
735 ev_async_set (RETVAL);
736 if (!ix) START (async, RETVAL);
737 OUTPUT:
738 RETVAL
739
740 void once (SV *fh, int events, SV *timeout, SV *cb)
741 CODE:
742 ev_once (
743 evapi.default_loop,
744 s_fileno (fh, events & EV_WRITE), events,
745 SvOK (timeout) ? SvNV (timeout) : -1.,
746 e_once_cb,
747 newSVsv (cb)
748 );
749
750 PROTOTYPES: DISABLE
751
752 MODULE = EV PACKAGE = EV::Watcher PREFIX = ev_
753
754 int ev_is_active (ev_watcher *w)
755
756 int ev_is_pending (ev_watcher *w)
757
758 void ev_invoke (ev_watcher *w, int revents = EV_NONE)
759 C_ARGS: e_loop (w), w, revents
760
761 int ev_clear_pending (ev_watcher *w)
762 C_ARGS: e_loop (w), w
763
764 void ev_feed_event (ev_watcher *w, int revents = EV_NONE)
765 C_ARGS: e_loop (w), w, revents
766
767 int keepalive (ev_watcher *w, int new_value = 0)
768 CODE:
769 {
770 RETVAL = w->e_flags & WFLAG_KEEPALIVE;
771 new_value = new_value ? WFLAG_KEEPALIVE : 0;
772
773 if (items > 1 && ((new_value ^ w->e_flags) & WFLAG_KEEPALIVE))
774 {
775 w->e_flags = (w->e_flags & ~WFLAG_KEEPALIVE) | new_value;
776 REF (w);
777 UNREF (w);
778 }
779 }
780 OUTPUT:
781 RETVAL
782
783 SV *cb (ev_watcher *w, SV *new_cb = 0)
784 CODE:
785 {
786 if (items > 1)
787 {
788 new_cb = s_get_cv_croak (new_cb);
789 RETVAL = newRV_noinc (w->cb_sv);
790 w->cb_sv = SvREFCNT_inc (new_cb);
791 }
792 else
793 RETVAL = newRV_inc (w->cb_sv);
794 }
795 OUTPUT:
796 RETVAL
797
798 SV *data (ev_watcher *w, SV *new_data = 0)
799 CODE:
800 {
801 RETVAL = w->data ? newSVsv (w->data) : &PL_sv_undef;
802
803 if (items > 1)
804 {
805 SvREFCNT_dec (w->data);
806 w->data = newSVsv (new_data);
807 }
808 }
809 OUTPUT:
810 RETVAL
811
812 SV *loop (ev_watcher *w)
813 CODE:
814 RETVAL = newRV_inc (w->loop);
815 OUTPUT:
816 RETVAL
817
818 int priority (ev_watcher *w, int new_priority = 0)
819 CODE:
820 {
821 RETVAL = w->priority;
822
823 if (items > 1)
824 {
825 int active = ev_is_active (w);
826
827 if (active)
828 {
829 /* grrr. */
830 PUSHMARK (SP);
831 XPUSHs (ST (0));
832 PUTBACK;
833 call_method ("stop", G_DISCARD | G_VOID);
834 }
835
836 ev_set_priority (w, new_priority);
837
838 if (active)
839 {
840 PUSHMARK (SP);
841 XPUSHs (ST (0));
842 PUTBACK;
843 call_method ("start", G_DISCARD | G_VOID);
844 }
845 }
846 }
847 OUTPUT:
848 RETVAL
849
850 MODULE = EV PACKAGE = EV::IO PREFIX = ev_io_
851
852 void ev_io_start (ev_io *w)
853 CODE:
854 START (io, w);
855
856 void ev_io_stop (ev_io *w)
857 CODE:
858 STOP (io, w);
859
860 void DESTROY (ev_io *w)
861 CODE:
862 STOP (io, w);
863 e_destroy (w);
864
865 void set (ev_io *w, SV *fh, int events)
866 CODE:
867 {
868 int fd = s_fileno (fh, events & EV_WRITE);
869 CHECK_FD (fh, fd);
870
871 sv_setsv (w->fh, fh);
872 RESET (io, w, (w, fd, events));
873 }
874
875 SV *fh (ev_io *w, SV *new_fh = 0)
876 CODE:
877 {
878 if (items > 1)
879 {
880 int fd = s_fileno (new_fh, w->events & EV_WRITE);
881 CHECK_FD (new_fh, fd);
882
883 RETVAL = w->fh;
884 w->fh = newSVsv (new_fh);
885
886 RESET (io, w, (w, fd, w->events));
887 }
888 else
889 RETVAL = newSVsv (w->fh);
890 }
891 OUTPUT:
892 RETVAL
893
894 int events (ev_io *w, int new_events = EV_UNDEF)
895 CODE:
896 {
897 RETVAL = w->events;
898
899 if (items > 1)
900 RESET (io, w, (w, w->fd, new_events));
901 }
902 OUTPUT:
903 RETVAL
904
905 MODULE = EV PACKAGE = EV::Signal PREFIX = ev_signal_
906
907 void ev_signal_start (ev_signal *w)
908 CODE:
909 START_SIGNAL (w);
910
911 void ev_signal_stop (ev_signal *w)
912 CODE:
913 STOP (signal, w);
914
915 void DESTROY (ev_signal *w)
916 CODE:
917 STOP (signal, w);
918 e_destroy (w);
919
920 void set (ev_signal *w, SV *signal)
921 CODE:
922 {
923 Signal signum = s_signum (signal);
924 CHECK_SIG (signal, signum);
925
926 RESET_SIGNAL (w, (w, signum));
927 }
928
929 int signal (ev_signal *w, SV *new_signal = 0)
930 CODE:
931 {
932 RETVAL = w->signum;
933
934 if (items > 1)
935 {
936 Signal signum = s_signum (new_signal);
937 CHECK_SIG (new_signal, signum);
938
939 RESET_SIGNAL (w, (w, signum));
940 }
941 }
942 OUTPUT:
943 RETVAL
944
945 MODULE = EV PACKAGE = EV::Timer PREFIX = ev_timer_
946
947 void ev_timer_start (ev_timer *w)
948 INIT:
949 CHECK_REPEAT (w->repeat);
950 CODE:
951 START (timer, w);
952
953 void ev_timer_stop (ev_timer *w)
954 CODE:
955 STOP (timer, w);
956
957 void ev_timer_again (ev_timer *w)
958 INIT:
959 CHECK_REPEAT (w->repeat);
960 CODE:
961 ev_timer_again (e_loop (w), w);
962 UNREF (w);
963
964 NV ev_timer_remaining (ev_timer *w)
965 C_ARGS: e_loop (w), w
966
967 void DESTROY (ev_timer *w)
968 CODE:
969 STOP (timer, w);
970 e_destroy (w);
971
972 void set (ev_timer *w, NV after, NV repeat = 0.)
973 INIT:
974 CHECK_REPEAT (repeat);
975 CODE:
976 RESET (timer, w, (w, after, repeat));
977
978 MODULE = EV PACKAGE = EV::Periodic PREFIX = ev_periodic_
979
980 void ev_periodic_start (ev_periodic *w)
981 INIT:
982 CHECK_REPEAT (w->interval);
983 CODE:
984 START (periodic, w);
985
986 void ev_periodic_stop (ev_periodic *w)
987 CODE:
988 STOP (periodic, w);
989
990 void ev_periodic_again (ev_periodic *w)
991 CODE:
992 ev_periodic_again (e_loop (w), w);
993 UNREF (w);
994
995 void DESTROY (ev_periodic *w)
996 CODE:
997 STOP (periodic, w);
998 e_destroy (w);
999
1000 void set (ev_periodic *w, NV at, NV interval = 0., SV *reschedule_cb = &PL_sv_undef)
1001 INIT:
1002 CHECK_REPEAT (interval);
1003 CODE:
1004 {
1005 SvREFCNT_dec (w->fh);
1006 w->fh = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
1007
1008 RESET (periodic, w, (w, at, interval, w->fh ? e_periodic_cb : 0));
1009 }
1010
1011 NV at (ev_periodic *w)
1012 CODE:
1013 RETVAL = ev_periodic_at (w);
1014 OUTPUT:
1015 RETVAL
1016
1017 MODULE = EV PACKAGE = EV::Idle PREFIX = ev_idle_
1018
1019 void ev_idle_start (ev_idle *w)
1020 CODE:
1021 START (idle, w);
1022
1023 void ev_idle_stop (ev_idle *w)
1024 CODE:
1025 STOP (idle, w);
1026
1027 void DESTROY (ev_idle *w)
1028 CODE:
1029 STOP (idle, w);
1030 e_destroy (w);
1031
1032 MODULE = EV PACKAGE = EV::Prepare PREFIX = ev_prepare_
1033
1034 void ev_prepare_start (ev_prepare *w)
1035 CODE:
1036 START (prepare, w);
1037
1038 void ev_prepare_stop (ev_prepare *w)
1039 CODE:
1040 STOP (prepare, w);
1041
1042 void DESTROY (ev_prepare *w)
1043 CODE:
1044 STOP (prepare, w);
1045 e_destroy (w);
1046
1047 MODULE = EV PACKAGE = EV::Check PREFIX = ev_check_
1048
1049 void ev_check_start (ev_check *w)
1050 CODE:
1051 START (check, w);
1052
1053 void ev_check_stop (ev_check *w)
1054 CODE:
1055 STOP (check, w);
1056
1057 void DESTROY (ev_check *w)
1058 CODE:
1059 STOP (check, w);
1060 e_destroy (w);
1061
1062 MODULE = EV PACKAGE = EV::Fork PREFIX = ev_fork_
1063
1064 void ev_fork_start (ev_fork *w)
1065 CODE:
1066 START (fork, w);
1067
1068 void ev_fork_stop (ev_fork *w)
1069 CODE:
1070 STOP (fork, w);
1071
1072 void DESTROY (ev_fork *w)
1073 CODE:
1074 STOP (fork, w);
1075 e_destroy (w);
1076
1077 MODULE = EV PACKAGE = EV::Child PREFIX = ev_child_
1078
1079 void ev_child_start (ev_child *w)
1080 CODE:
1081 START (child, w);
1082
1083 void ev_child_stop (ev_child *w)
1084 CODE:
1085 STOP (child, w);
1086
1087 void DESTROY (ev_child *w)
1088 CODE:
1089 STOP (child, w);
1090 e_destroy (w);
1091
1092 void set (ev_child *w, int pid, int trace)
1093 CODE:
1094 RESET (child, w, (w, pid, trace));
1095
1096 int pid (ev_child *w)
1097 ALIAS:
1098 rpid = 1
1099 rstatus = 2
1100 CODE:
1101 RETVAL = ix == 0 ? w->pid
1102 : ix == 1 ? w->rpid
1103 : w->rstatus;
1104 OUTPUT:
1105 RETVAL
1106
1107 MODULE = EV PACKAGE = EV::Stat PREFIX = ev_stat_
1108
1109 void ev_stat_start (ev_stat *w)
1110 CODE:
1111 START (stat, w);
1112
1113 void ev_stat_stop (ev_stat *w)
1114 CODE:
1115 STOP (stat, w);
1116
1117 void DESTROY (ev_stat *w)
1118 CODE:
1119 STOP (stat, w);
1120 e_destroy (w);
1121
1122 void set (ev_stat *w, SV *path, NV interval)
1123 CODE:
1124 {
1125 sv_setsv (w->fh, path);
1126 RESET (stat, w, (w, SvPVbyte_nolen (w->fh), interval));
1127 }
1128
1129 SV *path (ev_stat *w, SV *new_path = 0)
1130 CODE:
1131 {
1132 RETVAL = SvREFCNT_inc (w->fh);
1133
1134 if (items > 1)
1135 {
1136 SvREFCNT_dec (w->fh);
1137 w->fh = newSVsv (new_path);
1138 RESET (stat, w, (w, SvPVbyte_nolen (w->fh), w->interval));
1139 }
1140 }
1141 OUTPUT:
1142 RETVAL
1143
1144 NV interval (ev_stat *w, NV new_interval = 0.)
1145 CODE:
1146 {
1147 RETVAL = w->interval;
1148
1149 if (items > 1)
1150 RESET (stat, w, (w, SvPVbyte_nolen (w->fh), new_interval));
1151 }
1152 OUTPUT:
1153 RETVAL
1154
1155 void prev (ev_stat *w)
1156 ALIAS:
1157 stat = 1
1158 attr = 2
1159 PPCODE:
1160 {
1161 ev_statdata *s = ix ? &w->attr : &w->prev;
1162
1163 if (ix == 1)
1164 ev_stat_stat (e_loop (w), w);
1165 else if (!s->st_nlink)
1166 errno = ENOENT;
1167
1168 PL_statcache.st_dev = s->st_nlink;
1169 PL_statcache.st_ino = s->st_ino;
1170 PL_statcache.st_mode = s->st_mode;
1171 PL_statcache.st_nlink = s->st_nlink;
1172 PL_statcache.st_uid = s->st_uid;
1173 PL_statcache.st_gid = s->st_gid;
1174 PL_statcache.st_rdev = s->st_rdev;
1175 PL_statcache.st_size = s->st_size;
1176 PL_statcache.st_atime = s->st_atime;
1177 PL_statcache.st_mtime = s->st_mtime;
1178 PL_statcache.st_ctime = s->st_ctime;
1179
1180 if (GIMME_V == G_SCALAR)
1181 XPUSHs (boolSV (s->st_nlink));
1182 else if (GIMME_V == G_ARRAY && s->st_nlink)
1183 {
1184 EXTEND (SP, 13);
1185 PUSHs (sv_2mortal (newSViv (s->st_dev)));
1186 PUSHs (sv_2mortal (newSViv (s->st_ino)));
1187 PUSHs (sv_2mortal (newSVuv (s->st_mode)));
1188 PUSHs (sv_2mortal (newSVuv (s->st_nlink)));
1189 PUSHs (sv_2mortal (newSViv (s->st_uid)));
1190 PUSHs (sv_2mortal (newSViv (s->st_gid)));
1191 PUSHs (sv_2mortal (newSViv (s->st_rdev)));
1192 PUSHs (sv_2mortal (newSVnv ((NV)s->st_size)));
1193 PUSHs (sv_2mortal (newSVnv (s->st_atime)));
1194 PUSHs (sv_2mortal (newSVnv (s->st_mtime)));
1195 PUSHs (sv_2mortal (newSVnv (s->st_ctime)));
1196 PUSHs (sv_2mortal (newSVuv (4096)));
1197 PUSHs (sv_2mortal (newSVnv ((NV)((s->st_size + 4095) / 4096))));
1198 }
1199 }
1200
1201 MODULE = EV PACKAGE = EV::Embed PREFIX = ev_embed_
1202
1203 void ev_embed_start (ev_embed *w)
1204 CODE:
1205 START (embed, w);
1206
1207 void ev_embed_stop (ev_embed *w)
1208 CODE:
1209 STOP (embed, w);
1210
1211 void DESTROY (ev_embed *w)
1212 CODE:
1213 STOP (embed, w);
1214 e_destroy (w);
1215
1216 void set (ev_embed *w, struct ev_loop *loop)
1217 CODE:
1218 {
1219 sv_setsv (w->fh, ST (1));
1220 RESET (embed, w, (w, loop));
1221 }
1222
1223 SV *other (ev_embed *w)
1224 CODE:
1225 RETVAL = newSVsv (w->fh);
1226 OUTPUT:
1227 RETVAL
1228
1229 void ev_embed_sweep (ev_embed *w)
1230 C_ARGS: e_loop (w), w
1231
1232 MODULE = EV PACKAGE = EV::Async PREFIX = ev_async_
1233
1234 void ev_async_start (ev_async *w)
1235 CODE:
1236 START (async, w);
1237
1238 void ev_async_stop (ev_async *w)
1239 CODE:
1240 STOP (async, w);
1241
1242 void DESTROY (ev_async *w)
1243 CODE:
1244 STOP (async, w);
1245 e_destroy (w);
1246
1247 void ev_async_send (ev_async *w)
1248 C_ARGS: e_loop (w), w
1249
1250 SV *ev_async_async_pending (ev_async *w)
1251 CODE:
1252 RETVAL = boolSV (ev_async_pending (w));
1253 OUTPUT:
1254 RETVAL
1255
1256 MODULE = EV PACKAGE = EV::Loop PREFIX = ev_
1257
1258 SV *new (SV *klass, unsigned int flags = 0)
1259 CODE:
1260 {
1261 struct ev_loop *loop = ev_loop_new (flags);
1262
1263 if (!loop)
1264 XSRETURN_UNDEF;
1265
1266 RETVAL = sv_bless (newRV_noinc (newSViv (PTR2IV (loop))), stash_loop);
1267 }
1268 OUTPUT:
1269 RETVAL
1270
1271 void DESTROY (struct ev_loop *loop)
1272 CODE:
1273 if (loop != evapi.default_loop) /* global destruction sucks */
1274 ev_loop_destroy (loop);
1275
1276 void ev_loop_fork (struct ev_loop *loop)
1277
1278 void ev_loop_verify (struct ev_loop *loop)
1279
1280 NV ev_now (struct ev_loop *loop)
1281
1282 void ev_now_update (struct ev_loop *loop)
1283
1284 void ev_suspend (struct ev_loop *loop)
1285
1286 void ev_resume (struct ev_loop *loop)
1287
1288 void ev_set_io_collect_interval (struct ev_loop *loop, NV interval)
1289
1290 void ev_set_timeout_collect_interval (struct ev_loop *loop, NV interval)
1291
1292 unsigned int ev_backend (struct ev_loop *loop)
1293
1294 unsigned int ev_loop_count (struct ev_loop *loop)
1295
1296 unsigned int ev_loop_depth (struct ev_loop *loop)
1297
1298 void ev_loop (struct ev_loop *loop, int flags = 0)
1299
1300 void ev_unloop (struct ev_loop *loop, int how = 1)
1301
1302 void ev_feed_fd_event (struct ev_loop *loop, int fd, int revents = EV_NONE)
1303
1304 unsigned int ev_pending_count (struct ev_loop *loop)
1305
1306 void ev_invoke_pending (struct ev_loop *loop)
1307
1308 #if 0
1309
1310 void ev_feed_signal_event (struct ev_loop *loop, SV *signal)
1311 CODE:
1312 {
1313 Signal signum = s_signum (signal);
1314 CHECK_SIG (signal, signum);
1315
1316 ev_feed_signal_event (loop, signum);
1317 }
1318
1319 #endif
1320
1321 ev_io *io (struct ev_loop *loop, SV *fh, int events, SV *cb)
1322 ALIAS:
1323 io_ns = 1
1324 CODE:
1325 {
1326 int fd = s_fileno (fh, events & EV_WRITE);
1327 CHECK_FD (fh, fd);
1328
1329 RETVAL = e_new (sizeof (ev_io), cb, ST (0));
1330 RETVAL->fh = newSVsv (fh);
1331 ev_io_set (RETVAL, fd, events);
1332 if (!ix) START (io, RETVAL);
1333 }
1334 OUTPUT:
1335 RETVAL
1336
1337 ev_timer *timer (struct ev_loop *loop, NV after, NV repeat, SV *cb)
1338 ALIAS:
1339 timer_ns = 1
1340 INIT:
1341 CHECK_REPEAT (repeat);
1342 CODE:
1343 RETVAL = e_new (sizeof (ev_timer), cb, ST (0));
1344 ev_timer_set (RETVAL, after, repeat);
1345 if (!ix) START (timer, RETVAL);
1346 OUTPUT:
1347 RETVAL
1348
1349 SV *periodic (struct ev_loop *loop, NV at, NV interval, SV *reschedule_cb, SV *cb)
1350 ALIAS:
1351 periodic_ns = 1
1352 INIT:
1353 CHECK_REPEAT (interval);
1354 CODE:
1355 {
1356 ev_periodic *w;
1357 w = e_new (sizeof (ev_periodic), cb, ST (0));
1358 w->fh = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
1359 ev_periodic_set (w, at, interval, w->fh ? e_periodic_cb : 0);
1360 RETVAL = e_bless ((ev_watcher *)w, stash_periodic);
1361 if (!ix) START (periodic, w);
1362 }
1363 OUTPUT:
1364 RETVAL
1365
1366 ev_signal *signal (struct ev_loop *loop, SV *signal, SV *cb)
1367 ALIAS:
1368 signal_ns = 1
1369 CODE:
1370 {
1371 Signal signum = s_signum (signal);
1372 CHECK_SIG (signal, signum);
1373
1374 RETVAL = e_new (sizeof (ev_signal), cb, ST (0));
1375 ev_signal_set (RETVAL, signum);
1376 if (!ix) START_SIGNAL (RETVAL);
1377 }
1378 OUTPUT:
1379 RETVAL
1380
1381 ev_idle *idle (struct ev_loop *loop, SV *cb)
1382 ALIAS:
1383 idle_ns = 1
1384 CODE:
1385 RETVAL = e_new (sizeof (ev_idle), cb, ST (0));
1386 ev_idle_set (RETVAL);
1387 if (!ix) START (idle, RETVAL);
1388 OUTPUT:
1389 RETVAL
1390
1391 ev_prepare *prepare (struct ev_loop *loop, SV *cb)
1392 ALIAS:
1393 prepare_ns = 1
1394 CODE:
1395 RETVAL = e_new (sizeof (ev_prepare), cb, ST (0));
1396 ev_prepare_set (RETVAL);
1397 if (!ix) START (prepare, RETVAL);
1398 OUTPUT:
1399 RETVAL
1400
1401 ev_check *check (struct ev_loop *loop, SV *cb)
1402 ALIAS:
1403 check_ns = 1
1404 CODE:
1405 RETVAL = e_new (sizeof (ev_check), cb, ST (0));
1406 ev_check_set (RETVAL);
1407 if (!ix) START (check, RETVAL);
1408 OUTPUT:
1409 RETVAL
1410
1411 ev_fork *fork (struct ev_loop *loop, SV *cb)
1412 ALIAS:
1413 fork_ns = 1
1414 CODE:
1415 RETVAL = e_new (sizeof (ev_fork), cb, ST (0));
1416 ev_fork_set (RETVAL);
1417 if (!ix) START (fork, RETVAL);
1418 OUTPUT:
1419 RETVAL
1420
1421 ev_child *child (struct ev_loop *loop, int pid, int trace, SV *cb)
1422 ALIAS:
1423 child_ns = 1
1424 CODE:
1425 RETVAL = e_new (sizeof (ev_child), cb, ST (0));
1426 ev_child_set (RETVAL, pid, trace);
1427 if (!ix) START (child, RETVAL);
1428 OUTPUT:
1429 RETVAL
1430
1431 ev_stat *stat (struct ev_loop *loop, SV *path, NV interval, SV *cb)
1432 ALIAS:
1433 stat_ns = 1
1434 CODE:
1435 RETVAL = e_new (sizeof (ev_stat), cb, ST (0));
1436 RETVAL->fh = newSVsv (path);
1437 ev_stat_set (RETVAL, SvPVbyte_nolen (RETVAL->fh), interval);
1438 if (!ix) START (stat, RETVAL);
1439 OUTPUT:
1440 RETVAL
1441
1442 ev_embed *embed (struct ev_loop *loop, struct ev_loop *other, SV *cb = 0)
1443 ALIAS:
1444 embed_ns = 1
1445 CODE:
1446 {
1447 if (!(ev_backend (other) & ev_embeddable_backends ()))
1448 croak ("passed loop is not embeddable via EV::embed,");
1449
1450 RETVAL = e_new (sizeof (ev_embed), cb, ST (0));
1451 RETVAL->fh = newSVsv (ST (1));
1452 ev_embed_set (RETVAL, other);
1453 if (!ix) START (embed, RETVAL);
1454 }
1455 OUTPUT:
1456 RETVAL
1457
1458 ev_async *async (struct ev_loop *loop, SV *cb)
1459 ALIAS:
1460 async_ns = 1
1461 CODE:
1462 RETVAL = e_new (sizeof (ev_async), cb, ST (0));
1463 ev_async_set (RETVAL);
1464 if (!ix) START (async, RETVAL);
1465 OUTPUT:
1466 RETVAL
1467
1468 void once (struct ev_loop *loop, SV *fh, int events, SV *timeout, SV *cb)
1469 CODE:
1470 ev_once (
1471 loop,
1472 s_fileno (fh, events & EV_WRITE), events,
1473 SvOK (timeout) ? SvNV (timeout) : -1.,
1474 e_once_cb,
1475 newSVsv (cb)
1476 );
1477