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/cvs/EV/EV.xs
Revision: 1.140
Committed: Thu Apr 22 11:25:43 2010 UTC (14 years ago) by root
Branch: MAIN
Changes since 1.139: +8 -5 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 (((ev_watcher *)(w))->loop))
39 #define e_flags(w) ((ev_watcher *)(w))->e_flags
40 #define e_self(w) ((ev_watcher *)(w))->self
41 #define e_fh(w) ((ev_watcher *)(w))->fh
42 #define e_data(w) ((ev_watcher *)(w))->data
43
44 #define WFLAG_KEEPALIVE 1
45 #define WFLAG_UNREFED 2 /* has been unref'ed */
46
47 #define UNREF(w) \
48 if (!(e_flags (w) & (WFLAG_KEEPALIVE | WFLAG_UNREFED)) \
49 && ev_is_active (w)) \
50 { \
51 ev_unref (e_loop (w)); \
52 e_flags (w) |= WFLAG_UNREFED; \
53 }
54
55 #define REF(w) \
56 if (e_flags (w) & WFLAG_UNREFED) \
57 { \
58 e_flags (w) &= ~WFLAG_UNREFED; \
59 ev_ref (e_loop (w)); \
60 }
61
62 #define START(type,w) \
63 do { \
64 ev_ ## type ## _start (e_loop (w), w); \
65 UNREF (w); \
66 } while (0)
67
68 #define STOP(type,w) \
69 do { \
70 REF (w); \
71 ev_ ## type ## _stop (e_loop (w), w); \
72 } while (0)
73
74 #define RESET(type,w,seta) \
75 do { \
76 int active = ev_is_active (w); \
77 if (active) STOP (type, w); \
78 ev_ ## type ## _set seta; \
79 if (active) START (type, w); \
80 } while (0)
81
82 typedef int Signal;
83
84 /* horrible... */
85 #define CHECK_SIGNAL_CAN_START(w) \
86 do { \
87 /* dive into the internals of libev to avoid aborting in libev */ \
88 if (signals [(w)->signum - 1].loop \
89 && signals [(w)->signum - 1].loop != e_loop (w)) \
90 croak ("unable to start signal watcher, signal %d already registered in another loop", w->signum); \
91 } while (0)
92
93 #define START_SIGNAL(w) \
94 do { \
95 CHECK_SIGNAL_CAN_START (w); \
96 START (signal, w); \
97 } while (0) \
98
99 #define RESET_SIGNAL(w,seta) \
100 do { \
101 int active = ev_is_active (w); \
102 if (active) STOP (signal, w); \
103 ev_ ## signal ## _set seta; \
104 if (active) START_SIGNAL (w); \
105 } while (0)
106
107 static SV *default_loop_sv;
108
109 static struct EVAPI evapi;
110
111 static HV
112 *stash_loop,
113 *stash_watcher,
114 *stash_io,
115 *stash_timer,
116 *stash_periodic,
117 *stash_signal,
118 *stash_child,
119 *stash_stat,
120 *stash_idle,
121 *stash_prepare,
122 *stash_check,
123 *stash_embed,
124 *stash_fork,
125 *stash_async;
126
127 /////////////////////////////////////////////////////////////////////////////
128 // Event
129
130 static void e_cb (EV_P_ ev_watcher *w, int revents);
131
132 void *
133 e_new (int size, SV *cb_sv, SV *loop)
134 {
135 SV *cv = cb_sv ? s_get_cv_croak (cb_sv) : 0;
136 ev_watcher *w;
137 SV *self = NEWSV (0, size);
138 SvPOK_only (self);
139 SvCUR_set (self, size);
140
141 w = (ev_watcher *)SvPVX (self);
142
143 ev_init (w, cv ? e_cb : 0);
144
145 w->loop = SvREFCNT_inc (SvRV (loop));
146 w->e_flags = WFLAG_KEEPALIVE;
147 w->data = 0;
148 w->fh = 0;
149 w->cb_sv = SvREFCNT_inc (cv);
150 w->self = self;
151
152 return (void *)w;
153 }
154
155 static void
156 e_destroy (void *w_)
157 {
158 ev_watcher *w = (ev_watcher *)w_;
159
160 SvREFCNT_dec (w->loop ); w->loop = 0;
161 SvREFCNT_dec (w->fh ); w->fh = 0;
162 SvREFCNT_dec (w->cb_sv); w->cb_sv = 0;
163 SvREFCNT_dec (w->data ); w->data = 0;
164 }
165
166 static SV *
167 e_bless (ev_watcher *w, HV *stash)
168 {
169 SV *rv;
170
171 if (SvOBJECT (w->self))
172 rv = newRV_inc (w->self);
173 else
174 {
175 rv = newRV_noinc (w->self);
176 sv_bless (rv, stash);
177 SvREADONLY_on (w->self);
178 }
179
180 return rv;
181 }
182
183 static SV *sv_self_cache, *sv_events_cache;
184
185 static void
186 e_cb (EV_P_ ev_watcher *w, int revents)
187 {
188 dSP;
189 I32 mark = SP - PL_stack_base;
190 SV *sv_self, *sv_events;
191
192 /* libev might have stopped the watcher */
193 if (expect_false (w->e_flags & WFLAG_UNREFED)
194 && !ev_is_active (w))
195 REF (w);
196
197 if (expect_true (sv_self_cache))
198 {
199 sv_self = sv_self_cache; sv_self_cache = 0;
200 SvRV_set (sv_self, SvREFCNT_inc_NN (w->self));
201 }
202 else
203 {
204 sv_self = newRV_inc (w->self); /* e_self (w) MUST be blessed by now */
205 SvREADONLY_on (sv_self);
206 }
207
208 if (expect_true (sv_events_cache))
209 {
210 sv_events = sv_events_cache; sv_events_cache = 0;
211 SvIV_set (sv_events, revents);
212 }
213 else
214 {
215 sv_events = newSViv (revents);
216 SvREADONLY_on (sv_events);
217 }
218
219 PUSHMARK (SP);
220 EXTEND (SP, 2);
221 PUSHs (sv_self);
222 PUSHs (sv_events);
223
224 PUTBACK;
225 call_sv (w->cb_sv, G_DISCARD | G_VOID | G_EVAL);
226
227 if (expect_false (SvREFCNT (sv_self) != 1 || sv_self_cache))
228 SvREFCNT_dec (sv_self);
229 else
230 {
231 SvREFCNT_dec (SvRV (sv_self));
232 SvRV_set (sv_self, &PL_sv_undef);
233 sv_self_cache = sv_self;
234 }
235
236 if (expect_false (SvREFCNT (sv_events) != 1 || sv_events_cache))
237 SvREFCNT_dec (sv_events);
238 else
239 sv_events_cache = sv_events;
240
241 if (expect_false (SvTRUE (ERRSV)))
242 {
243 SPAGAIN;
244 PUSHMARK (SP);
245 PUTBACK;
246 call_sv (get_sv ("EV::DIED", 1), G_DISCARD | G_VOID | G_EVAL | G_KEEPERR);
247 }
248
249 SP = PL_stack_base + mark;
250 PUTBACK;
251 }
252
253 static void
254 e_once_cb (int revents, void *arg)
255 {
256 dSP;
257 I32 mark = SP - PL_stack_base;
258 SV *sv_events;
259
260 if (sv_events_cache)
261 {
262 sv_events = sv_events_cache; sv_events_cache = 0;
263 SvIV_set (sv_events, revents);
264 }
265 else
266 sv_events = newSViv (revents);
267
268 PUSHMARK (SP);
269 XPUSHs (sv_events);
270
271 PUTBACK;
272 call_sv ((SV *)arg, G_DISCARD | G_VOID | G_EVAL);
273
274 SvREFCNT_dec ((SV *)arg);
275
276 if (sv_events_cache)
277 SvREFCNT_dec (sv_events);
278 else
279 sv_events_cache = sv_events;
280
281 if (SvTRUE (ERRSV))
282 {
283 SPAGAIN;
284 PUSHMARK (SP);
285 PUTBACK;
286 call_sv (get_sv ("EV::DIED", 1), G_DISCARD | G_VOID | G_EVAL | G_KEEPERR);
287 }
288
289 SP = PL_stack_base + mark;
290 PUTBACK;
291 }
292
293 static ev_tstamp
294 e_periodic_cb (ev_periodic *w, ev_tstamp now)
295 {
296 ev_tstamp retval;
297 int count;
298 dSP;
299
300 ENTER;
301 SAVETMPS;
302
303 PUSHMARK (SP);
304 EXTEND (SP, 2);
305 PUSHs (newRV_inc (e_self (w))); /* e_self (w) MUST be blessed by now */
306 PUSHs (newSVnv (now));
307
308 PUTBACK;
309 count = call_sv (w->fh, G_SCALAR | G_EVAL);
310 SPAGAIN;
311
312 if (SvTRUE (ERRSV))
313 {
314 PUSHMARK (SP);
315 PUTBACK;
316 call_sv (get_sv ("EV::DIED", 1), G_DISCARD | G_VOID | G_EVAL | G_KEEPERR);
317 SPAGAIN;
318 }
319
320 if (count > 0)
321 {
322 retval = SvNV (TOPs);
323
324 if (retval < now)
325 retval = now;
326 }
327 else
328 retval = now;
329
330 FREETMPS;
331 LEAVE;
332
333 return retval;
334 }
335
336 #define CHECK_REPEAT(repeat) if (repeat < 0.) \
337 croak (# repeat " value must be >= 0");
338
339 #define CHECK_FD(fh,fd) if ((fd) < 0) \
340 croak ("illegal file descriptor or filehandle (either no attached file descriptor or illegal value): %s", SvPV_nolen (fh));
341
342 #define CHECK_SIG(sv,num) if ((num) < 0) \
343 croak ("illegal signal number or name: %s", SvPV_nolen (sv));
344
345 /////////////////////////////////////////////////////////////////////////////
346 // XS interface functions
347
348 MODULE = EV PACKAGE = EV PREFIX = ev_
349
350 PROTOTYPES: ENABLE
351
352 BOOT:
353 {
354 HV *stash = gv_stashpv ("EV", 1);
355
356 static const struct {
357 const char *name;
358 IV iv;
359 } *civ, const_iv[] = {
360 # define const_iv(pfx, name) { # name, (IV) pfx ## name },
361 const_iv (EV_, MINPRI)
362 const_iv (EV_, MAXPRI)
363
364 const_iv (EV_, UNDEF)
365 const_iv (EV_, NONE)
366 const_iv (EV_, READ)
367 const_iv (EV_, WRITE)
368 const_iv (EV_, IO)
369 const_iv (EV_, TIMEOUT) /* deprecated */
370 const_iv (EV_, TIMER)
371 const_iv (EV_, PERIODIC)
372 const_iv (EV_, SIGNAL)
373 const_iv (EV_, CHILD)
374 const_iv (EV_, STAT)
375 const_iv (EV_, IDLE)
376 const_iv (EV_, PREPARE)
377 const_iv (EV_, CHECK)
378 const_iv (EV_, EMBED)
379 const_iv (EV_, FORK)
380 const_iv (EV_, ASYNC)
381 const_iv (EV_, CUSTOM)
382 const_iv (EV_, ERROR)
383
384 const_iv (EV, LOOP_NONBLOCK)
385 const_iv (EV, LOOP_ONESHOT)
386
387 const_iv (EV, UNLOOP_CANCEL)
388 const_iv (EV, UNLOOP_ONE)
389 const_iv (EV, UNLOOP_ALL)
390
391 const_iv (EV, BACKEND_SELECT)
392 const_iv (EV, BACKEND_POLL)
393 const_iv (EV, BACKEND_EPOLL)
394 const_iv (EV, BACKEND_KQUEUE)
395 const_iv (EV, BACKEND_DEVPOLL)
396 const_iv (EV, BACKEND_PORT)
397 const_iv (EV, BACKEND_ALL)
398 const_iv (EV, FLAG_AUTO)
399 const_iv (EV, FLAG_FORKCHECK)
400 const_iv (EV, FLAG_SIGNALFD)
401 const_iv (EV, FLAG_NOENV)
402 const_iv (EV, FLAG_NOSIGFD) /* compatibility, always 0 */
403 const_iv (EV, FLAG_NOINOTIFY)
404
405 const_iv (EV_, VERSION_MAJOR)
406 const_iv (EV_, VERSION_MINOR)
407 };
408
409 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
410 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
411
412 stash_loop = gv_stashpv ("EV::Loop" , 1);
413 stash_watcher = gv_stashpv ("EV::Watcher" , 1);
414 stash_io = gv_stashpv ("EV::IO" , 1);
415 stash_timer = gv_stashpv ("EV::Timer" , 1);
416 stash_periodic = gv_stashpv ("EV::Periodic", 1);
417 stash_signal = gv_stashpv ("EV::Signal" , 1);
418 stash_idle = gv_stashpv ("EV::Idle" , 1);
419 stash_prepare = gv_stashpv ("EV::Prepare" , 1);
420 stash_check = gv_stashpv ("EV::Check" , 1);
421 stash_child = gv_stashpv ("EV::Child" , 1);
422 stash_embed = gv_stashpv ("EV::Embed" , 1);
423 stash_stat = gv_stashpv ("EV::Stat" , 1);
424 stash_fork = gv_stashpv ("EV::Fork" , 1);
425 stash_async = gv_stashpv ("EV::Async" , 1);
426
427 {
428 SV *sv = perl_get_sv ("EV::API", TRUE);
429 perl_get_sv ("EV::API", TRUE); /* silence 5.10 warning */
430
431 /* the poor man's shared library emulator */
432 evapi.ver = EV_API_VERSION;
433 evapi.rev = EV_API_REVISION;
434 evapi.sv_fileno = sv_fileno;
435 evapi.sv_signum = s_signum;
436 evapi.supported_backends = ev_supported_backends ();
437 evapi.recommended_backends = ev_recommended_backends ();
438 evapi.embeddable_backends = ev_embeddable_backends ();
439 evapi.time_ = ev_time;
440 evapi.sleep_ = ev_sleep;
441 evapi.loop_new = ev_loop_new;
442 evapi.loop_destroy = ev_loop_destroy;
443 evapi.loop_fork = ev_loop_fork;
444 evapi.iteration = ev_iteration;
445 evapi.depth = ev_depth;
446 evapi.set_userdata = ev_set_userdata;
447 evapi.userdata = ev_userdata;
448 evapi.now = ev_now;
449 evapi.now_update = ev_now_update;
450 evapi.suspend = ev_suspend;
451 evapi.resume = ev_resume;
452 evapi.backend = ev_backend;
453 evapi.unloop = ev_unloop;
454 evapi.invoke_pending = ev_invoke_pending;
455 evapi.pending_count = ev_pending_count;
456 evapi.verify = ev_verify;
457 evapi.set_loop_release_cb = ev_set_loop_release_cb;
458 evapi.set_invoke_pending_cb= ev_set_invoke_pending_cb;
459 evapi.ref = ev_ref;
460 evapi.unref = ev_unref;
461 evapi.loop = ev_loop;
462 evapi.once = ev_once;
463 evapi.io_start = ev_io_start;
464 evapi.io_stop = ev_io_stop;
465 evapi.timer_start = ev_timer_start;
466 evapi.timer_stop = ev_timer_stop;
467 evapi.timer_again = ev_timer_again;
468 evapi.timer_remaining = ev_timer_remaining;
469 evapi.periodic_start = ev_periodic_start;
470 evapi.periodic_stop = ev_periodic_stop;
471 evapi.signal_start = ev_signal_start;
472 evapi.signal_stop = ev_signal_stop;
473 evapi.idle_start = ev_idle_start;
474 evapi.idle_stop = ev_idle_stop;
475 evapi.prepare_start = ev_prepare_start;
476 evapi.prepare_stop = ev_prepare_stop;
477 evapi.check_start = ev_check_start;
478 evapi.check_stop = ev_check_stop;
479 #if EV_CHILD_ENABLE
480 evapi.child_start = ev_child_start;
481 evapi.child_stop = ev_child_stop;
482 #endif
483 evapi.stat_start = ev_stat_start;
484 evapi.stat_stop = ev_stat_stop;
485 evapi.stat_stat = ev_stat_stat;
486 evapi.embed_start = ev_embed_start;
487 evapi.embed_stop = ev_embed_stop;
488 evapi.embed_sweep = ev_embed_sweep;
489 evapi.fork_start = ev_fork_start;
490 evapi.fork_stop = ev_fork_stop;
491 evapi.async_start = ev_async_start;
492 evapi.async_stop = ev_async_stop;
493 evapi.async_send = ev_async_send;
494 evapi.clear_pending = ev_clear_pending;
495 evapi.invoke = ev_invoke;
496
497 sv_setiv (sv, (IV)&evapi);
498 SvREADONLY_on (sv);
499 }
500 #ifndef _WIN32
501 pthread_atfork (0, 0, ev_default_fork);
502 #endif
503 }
504
505 SV *ev_default_loop (unsigned int flags = 0)
506 CODE:
507 {
508 if (!default_loop_sv)
509 {
510 evapi.default_loop = ev_default_loop (flags);
511
512 if (!evapi.default_loop)
513 XSRETURN_UNDEF;
514
515 default_loop_sv = sv_bless (newRV_noinc (newSViv (PTR2IV (evapi.default_loop))), stash_loop);
516 }
517
518 RETVAL = newSVsv (default_loop_sv);
519 }
520 OUTPUT:
521 RETVAL
522
523 void ev_default_destroy ()
524 CODE:
525 ev_default_destroy ();
526 SvREFCNT_dec (default_loop_sv);
527 default_loop_sv = 0;
528
529 unsigned int ev_supported_backends ()
530
531 unsigned int ev_recommended_backends ()
532
533 unsigned int ev_embeddable_backends ()
534
535 void ev_sleep (NV interval)
536
537 NV ev_time ()
538
539 NV ev_now ()
540 C_ARGS: evapi.default_loop
541
542 void ev_now_update ()
543 C_ARGS: evapi.default_loop
544
545 void ev_suspend ()
546 C_ARGS: evapi.default_loop
547
548 void ev_resume ()
549 C_ARGS: evapi.default_loop
550
551 unsigned int ev_backend ()
552 C_ARGS: evapi.default_loop
553
554 void ev_verify ()
555 C_ARGS: evapi.default_loop
556
557 unsigned int ev_iteration ()
558 C_ARGS: evapi.default_loop
559
560 unsigned int ev_depth ()
561 C_ARGS: evapi.default_loop
562
563 void ev_set_io_collect_interval (NV interval)
564 C_ARGS: evapi.default_loop, interval
565
566 void ev_set_timeout_collect_interval (NV interval)
567 C_ARGS: evapi.default_loop, interval
568
569 void ev_loop (int flags = 0)
570 C_ARGS: evapi.default_loop, flags
571
572 void ev_unloop (int how = EVUNLOOP_ONE)
573 C_ARGS: evapi.default_loop, how
574
575 void ev_feed_fd_event (int fd, int revents = EV_NONE)
576 C_ARGS: evapi.default_loop, fd, revents
577
578 void ev_feed_signal_event (SV *signal)
579 CODE:
580 {
581 Signal signum = s_signum (signal);
582 CHECK_SIG (signal, signum);
583
584 ev_feed_signal_event (evapi.default_loop, signum);
585 }
586
587 unsigned int ev_pending_count ()
588 C_ARGS: evapi.default_loop
589
590 void ev_invoke_pending ()
591 C_ARGS: evapi.default_loop
592
593 ev_io *io (SV *fh, int events, SV *cb)
594 ALIAS:
595 io_ns = 1
596 _ae_io = 2
597 CODE:
598 {
599 int fd = s_fileno (fh, events & EV_WRITE);
600 CHECK_FD (fh, fd);
601
602 if (ix == 2)
603 {
604 ix = 0;
605 events = events ? EV_WRITE : EV_READ;
606 }
607
608 RETVAL = e_new (sizeof (ev_io), cb, default_loop_sv);
609 e_fh (RETVAL) = newSVsv (fh);
610 ev_io_set (RETVAL, fd, events);
611 if (!ix) START (io, RETVAL);
612 }
613 OUTPUT:
614 RETVAL
615
616 ev_timer *timer (NV after, NV repeat, SV *cb)
617 ALIAS:
618 timer_ns = 1
619 INIT:
620 CHECK_REPEAT (repeat);
621 CODE:
622 RETVAL = e_new (sizeof (ev_timer), cb, default_loop_sv);
623 ev_timer_set (RETVAL, after, repeat);
624 if (!ix) START (timer, RETVAL);
625 OUTPUT:
626 RETVAL
627
628 SV *periodic (NV at, NV interval, SV *reschedule_cb, SV *cb)
629 ALIAS:
630 periodic_ns = 1
631 INIT:
632 CHECK_REPEAT (interval);
633 CODE:
634 {
635 ev_periodic *w;
636 w = e_new (sizeof (ev_periodic), cb, default_loop_sv);
637 e_fh (w) = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
638 ev_periodic_set (w, at, interval, e_fh (w) ? e_periodic_cb : 0);
639 RETVAL = e_bless ((ev_watcher *)w, stash_periodic);
640 if (!ix) START (periodic, w);
641 }
642 OUTPUT:
643 RETVAL
644
645 ev_signal *signal (SV *signal, SV *cb)
646 ALIAS:
647 signal_ns = 1
648 CODE:
649 {
650 Signal signum = s_signum (signal);
651 CHECK_SIG (signal, signum);
652
653 RETVAL = e_new (sizeof (ev_signal), cb, default_loop_sv);
654 ev_signal_set (RETVAL, signum);
655 if (!ix) START_SIGNAL (RETVAL);
656 }
657 OUTPUT:
658 RETVAL
659
660 ev_idle *idle (SV *cb)
661 ALIAS:
662 idle_ns = 1
663 CODE:
664 RETVAL = e_new (sizeof (ev_idle), cb, default_loop_sv);
665 ev_idle_set (RETVAL);
666 if (!ix) START (idle, RETVAL);
667 OUTPUT:
668 RETVAL
669
670 ev_prepare *prepare (SV *cb)
671 ALIAS:
672 prepare_ns = 1
673 CODE:
674 RETVAL = e_new (sizeof (ev_prepare), cb, default_loop_sv);
675 ev_prepare_set (RETVAL);
676 if (!ix) START (prepare, RETVAL);
677 OUTPUT:
678 RETVAL
679
680 ev_check *check (SV *cb)
681 ALIAS:
682 check_ns = 1
683 CODE:
684 RETVAL = e_new (sizeof (ev_check), cb, default_loop_sv);
685 ev_check_set (RETVAL);
686 if (!ix) START (check, RETVAL);
687 OUTPUT:
688 RETVAL
689
690 ev_fork *fork (SV *cb)
691 ALIAS:
692 fork_ns = 1
693 CODE:
694 RETVAL = e_new (sizeof (ev_fork), cb, default_loop_sv);
695 ev_fork_set (RETVAL);
696 if (!ix) START (fork, RETVAL);
697 OUTPUT:
698 RETVAL
699
700
701 ev_child *child (int pid, int trace, SV *cb)
702 ALIAS:
703 child_ns = 1
704 CODE:
705 #if EV_CHILD_ENABLE
706 RETVAL = e_new (sizeof (ev_child), cb, default_loop_sv);
707 ev_child_set (RETVAL, pid, trace);
708 if (!ix) START (child, RETVAL);
709 #else
710 croak ("EV::child watchers not supported on this platform");
711 #endif
712 OUTPUT:
713 RETVAL
714
715
716 ev_stat *stat (SV *path, NV interval, SV *cb)
717 ALIAS:
718 stat_ns = 1
719 CODE:
720 RETVAL = e_new (sizeof (ev_stat), cb, default_loop_sv);
721 e_fh (RETVAL) = newSVsv (path);
722 ev_stat_set (RETVAL, SvPVbyte_nolen (e_fh (RETVAL)), interval);
723 if (!ix) START (stat, RETVAL);
724 OUTPUT:
725 RETVAL
726
727 ev_embed *embed (struct ev_loop *loop, SV *cb = 0)
728 ALIAS:
729 embed_ns = 1
730 CODE:
731 {
732 if (!(ev_backend (loop) & ev_embeddable_backends ()))
733 croak ("passed loop is not embeddable via EV::embed,");
734
735 RETVAL = e_new (sizeof (ev_embed), cb, default_loop_sv);
736 e_fh (RETVAL) = newSVsv (ST (0));
737 ev_embed_set (RETVAL, loop);
738 if (!ix) START (embed, RETVAL);
739 }
740 OUTPUT:
741 RETVAL
742
743 ev_async *async (SV *cb)
744 ALIAS:
745 async_ns = 1
746 CODE:
747 RETVAL = e_new (sizeof (ev_async), cb, default_loop_sv);
748 ev_async_set (RETVAL);
749 if (!ix) START (async, RETVAL);
750 OUTPUT:
751 RETVAL
752
753 void once (SV *fh, int events, SV *timeout, SV *cb)
754 CODE:
755 ev_once (
756 evapi.default_loop,
757 s_fileno (fh, events & EV_WRITE), events,
758 SvOK (timeout) ? SvNV (timeout) : -1.,
759 e_once_cb,
760 newSVsv (cb)
761 );
762
763 PROTOTYPES: DISABLE
764
765 MODULE = EV PACKAGE = EV::Watcher PREFIX = ev_
766
767 int ev_is_active (ev_watcher *w)
768
769 int ev_is_pending (ev_watcher *w)
770
771 void ev_invoke (ev_watcher *w, int revents = EV_NONE)
772 C_ARGS: e_loop (w), w, revents
773
774 int ev_clear_pending (ev_watcher *w)
775 C_ARGS: e_loop (w), w
776
777 void ev_feed_event (ev_watcher *w, int revents = EV_NONE)
778 C_ARGS: e_loop (w), w, revents
779
780 int keepalive (ev_watcher *w, int new_value = 0)
781 CODE:
782 {
783 RETVAL = w->e_flags & WFLAG_KEEPALIVE;
784 new_value = new_value ? WFLAG_KEEPALIVE : 0;
785
786 if (items > 1 && ((new_value ^ w->e_flags) & WFLAG_KEEPALIVE))
787 {
788 w->e_flags = (w->e_flags & ~WFLAG_KEEPALIVE) | new_value;
789 REF (w);
790 UNREF (w);
791 }
792 }
793 OUTPUT:
794 RETVAL
795
796 SV *cb (ev_watcher *w, SV *new_cb = 0)
797 CODE:
798 {
799 if (items > 1)
800 {
801 new_cb = s_get_cv_croak (new_cb);
802 RETVAL = newRV_noinc (w->cb_sv);
803 w->cb_sv = SvREFCNT_inc (new_cb);
804 }
805 else
806 RETVAL = newRV_inc (w->cb_sv);
807 }
808 OUTPUT:
809 RETVAL
810
811 SV *data (ev_watcher *w, SV *new_data = 0)
812 CODE:
813 {
814 RETVAL = w->data ? newSVsv (w->data) : &PL_sv_undef;
815
816 if (items > 1)
817 {
818 SvREFCNT_dec (w->data);
819 w->data = newSVsv (new_data);
820 }
821 }
822 OUTPUT:
823 RETVAL
824
825 SV *loop (ev_watcher *w)
826 CODE:
827 RETVAL = newRV_inc (w->loop);
828 OUTPUT:
829 RETVAL
830
831 int priority (ev_watcher *w, int new_priority = 0)
832 CODE:
833 {
834 RETVAL = w->priority;
835
836 if (items > 1)
837 {
838 int active = ev_is_active (w);
839
840 if (active)
841 {
842 /* grrr. */
843 PUSHMARK (SP);
844 XPUSHs (ST (0));
845 PUTBACK;
846 call_method ("stop", G_DISCARD | G_VOID);
847 }
848
849 ev_set_priority (w, new_priority);
850
851 if (active)
852 {
853 PUSHMARK (SP);
854 XPUSHs (ST (0));
855 PUTBACK;
856 call_method ("start", G_DISCARD | G_VOID);
857 }
858 }
859 }
860 OUTPUT:
861 RETVAL
862
863 MODULE = EV PACKAGE = EV::IO PREFIX = ev_io_
864
865 void ev_io_start (ev_io *w)
866 CODE:
867 START (io, w);
868
869 void ev_io_stop (ev_io *w)
870 CODE:
871 STOP (io, w);
872
873 void DESTROY (ev_io *w)
874 CODE:
875 STOP (io, w);
876 e_destroy (w);
877
878 void set (ev_io *w, SV *fh, int events)
879 CODE:
880 {
881 int fd = s_fileno (fh, events & EV_WRITE);
882 CHECK_FD (fh, fd);
883
884 sv_setsv (e_fh (w), fh);
885 RESET (io, w, (w, fd, events));
886 }
887
888 SV *fh (ev_io *w, SV *new_fh = 0)
889 CODE:
890 {
891 if (items > 1)
892 {
893 int fd = s_fileno (new_fh, w->events & EV_WRITE);
894 CHECK_FD (new_fh, fd);
895
896 RETVAL = e_fh (w);
897 e_fh (w) = newSVsv (new_fh);
898
899 RESET (io, w, (w, fd, w->events));
900 }
901 else
902 RETVAL = newSVsv (e_fh (w));
903 }
904 OUTPUT:
905 RETVAL
906
907 int events (ev_io *w, int new_events = EV_UNDEF)
908 CODE:
909 {
910 RETVAL = w->events;
911
912 if (items > 1)
913 RESET (io, w, (w, w->fd, new_events));
914 }
915 OUTPUT:
916 RETVAL
917
918 MODULE = EV PACKAGE = EV::Signal PREFIX = ev_signal_
919
920 void ev_signal_start (ev_signal *w)
921 CODE:
922 START_SIGNAL (w);
923
924 void ev_signal_stop (ev_signal *w)
925 CODE:
926 STOP (signal, w);
927
928 void DESTROY (ev_signal *w)
929 CODE:
930 STOP (signal, w);
931 e_destroy (w);
932
933 void set (ev_signal *w, SV *signal)
934 CODE:
935 {
936 Signal signum = s_signum (signal);
937 CHECK_SIG (signal, signum);
938
939 RESET_SIGNAL (w, (w, signum));
940 }
941
942 int signal (ev_signal *w, SV *new_signal = 0)
943 CODE:
944 {
945 RETVAL = w->signum;
946
947 if (items > 1)
948 {
949 Signal signum = s_signum (new_signal);
950 CHECK_SIG (new_signal, signum);
951
952 RESET_SIGNAL (w, (w, signum));
953 }
954 }
955 OUTPUT:
956 RETVAL
957
958 MODULE = EV PACKAGE = EV::Timer PREFIX = ev_timer_
959
960 void ev_timer_start (ev_timer *w)
961 INIT:
962 CHECK_REPEAT (w->repeat);
963 CODE:
964 START (timer, w);
965
966 void ev_timer_stop (ev_timer *w)
967 CODE:
968 STOP (timer, w);
969
970 void ev_timer_again (ev_timer *w)
971 INIT:
972 CHECK_REPEAT (w->repeat);
973 CODE:
974 ev_timer_again (e_loop (w), w);
975 UNREF (w);
976
977 NV ev_timer_remaining (ev_timer *w)
978 C_ARGS: e_loop (w), w
979
980 void DESTROY (ev_timer *w)
981 CODE:
982 STOP (timer, w);
983 e_destroy (w);
984
985 void set (ev_timer *w, NV after, NV repeat = 0.)
986 INIT:
987 CHECK_REPEAT (repeat);
988 CODE:
989 RESET (timer, w, (w, after, repeat));
990
991 MODULE = EV PACKAGE = EV::Periodic PREFIX = ev_periodic_
992
993 void ev_periodic_start (ev_periodic *w)
994 INIT:
995 CHECK_REPEAT (w->interval);
996 CODE:
997 START (periodic, w);
998
999 void ev_periodic_stop (ev_periodic *w)
1000 CODE:
1001 STOP (periodic, w);
1002
1003 void ev_periodic_again (ev_periodic *w)
1004 CODE:
1005 ev_periodic_again (e_loop (w), w);
1006 UNREF (w);
1007
1008 void DESTROY (ev_periodic *w)
1009 CODE:
1010 STOP (periodic, w);
1011 e_destroy (w);
1012
1013 void set (ev_periodic *w, NV at, NV interval = 0., SV *reschedule_cb = &PL_sv_undef)
1014 INIT:
1015 CHECK_REPEAT (interval);
1016 CODE:
1017 {
1018 SvREFCNT_dec (e_fh (w));
1019 e_fh (w) = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
1020
1021 RESET (periodic, w, (w, at, interval, e_fh (w) ? e_periodic_cb : 0));
1022 }
1023
1024 NV at (ev_periodic *w)
1025 CODE:
1026 RETVAL = ev_periodic_at (w);
1027 OUTPUT:
1028 RETVAL
1029
1030 MODULE = EV PACKAGE = EV::Idle PREFIX = ev_idle_
1031
1032 void ev_idle_start (ev_idle *w)
1033 CODE:
1034 START (idle, w);
1035
1036 void ev_idle_stop (ev_idle *w)
1037 CODE:
1038 STOP (idle, w);
1039
1040 void DESTROY (ev_idle *w)
1041 CODE:
1042 STOP (idle, w);
1043 e_destroy (w);
1044
1045 MODULE = EV PACKAGE = EV::Prepare PREFIX = ev_prepare_
1046
1047 void ev_prepare_start (ev_prepare *w)
1048 CODE:
1049 START (prepare, w);
1050
1051 void ev_prepare_stop (ev_prepare *w)
1052 CODE:
1053 STOP (prepare, w);
1054
1055 void DESTROY (ev_prepare *w)
1056 CODE:
1057 STOP (prepare, w);
1058 e_destroy (w);
1059
1060 MODULE = EV PACKAGE = EV::Check PREFIX = ev_check_
1061
1062 void ev_check_start (ev_check *w)
1063 CODE:
1064 START (check, w);
1065
1066 void ev_check_stop (ev_check *w)
1067 CODE:
1068 STOP (check, w);
1069
1070 void DESTROY (ev_check *w)
1071 CODE:
1072 STOP (check, w);
1073 e_destroy (w);
1074
1075 MODULE = EV PACKAGE = EV::Fork PREFIX = ev_fork_
1076
1077 void ev_fork_start (ev_fork *w)
1078 CODE:
1079 START (fork, w);
1080
1081 void ev_fork_stop (ev_fork *w)
1082 CODE:
1083 STOP (fork, w);
1084
1085 void DESTROY (ev_fork *w)
1086 CODE:
1087 STOP (fork, w);
1088 e_destroy (w);
1089
1090 MODULE = EV PACKAGE = EV::Child PREFIX = ev_child_
1091
1092 #if EV_CHILD_ENABLE
1093
1094 void ev_child_start (ev_child *w)
1095 CODE:
1096 START (child, w);
1097
1098 void ev_child_stop (ev_child *w)
1099 CODE:
1100 STOP (child, w);
1101
1102 void DESTROY (ev_child *w)
1103 CODE:
1104 STOP (child, w);
1105 e_destroy (w);
1106
1107 void set (ev_child *w, int pid, int trace)
1108 CODE:
1109 RESET (child, w, (w, pid, trace));
1110
1111 int pid (ev_child *w)
1112 ALIAS:
1113 rpid = 1
1114 rstatus = 2
1115 CODE:
1116 RETVAL = ix == 0 ? w->pid
1117 : ix == 1 ? w->rpid
1118 : w->rstatus;
1119 OUTPUT:
1120 RETVAL
1121
1122 #endif
1123
1124 MODULE = EV PACKAGE = EV::Stat PREFIX = ev_stat_
1125
1126 void ev_stat_start (ev_stat *w)
1127 CODE:
1128 START (stat, w);
1129
1130 void ev_stat_stop (ev_stat *w)
1131 CODE:
1132 STOP (stat, w);
1133
1134 void DESTROY (ev_stat *w)
1135 CODE:
1136 STOP (stat, w);
1137 e_destroy (w);
1138
1139 void set (ev_stat *w, SV *path, NV interval)
1140 CODE:
1141 {
1142 sv_setsv (e_fh (w), path);
1143 RESET (stat, w, (w, SvPVbyte_nolen (e_fh (w)), interval));
1144 }
1145
1146 SV *path (ev_stat *w, SV *new_path = 0)
1147 CODE:
1148 {
1149 RETVAL = SvREFCNT_inc (e_fh (w));
1150
1151 if (items > 1)
1152 {
1153 SvREFCNT_dec (e_fh (w));
1154 e_fh (w) = newSVsv (new_path);
1155 RESET (stat, w, (w, SvPVbyte_nolen (e_fh (w)), w->interval));
1156 }
1157 }
1158 OUTPUT:
1159 RETVAL
1160
1161 NV interval (ev_stat *w, NV new_interval = 0.)
1162 CODE:
1163 {
1164 RETVAL = w->interval;
1165
1166 if (items > 1)
1167 RESET (stat, w, (w, SvPVbyte_nolen (e_fh (w)), new_interval));
1168 }
1169 OUTPUT:
1170 RETVAL
1171
1172 void prev (ev_stat *w)
1173 ALIAS:
1174 stat = 1
1175 attr = 2
1176 PPCODE:
1177 {
1178 ev_statdata *s = ix ? &w->attr : &w->prev;
1179
1180 if (ix == 1)
1181 ev_stat_stat (e_loop (w), w);
1182 else if (!s->st_nlink)
1183 errno = ENOENT;
1184
1185 PL_statcache.st_dev = s->st_nlink;
1186 PL_statcache.st_ino = s->st_ino;
1187 PL_statcache.st_mode = s->st_mode;
1188 PL_statcache.st_nlink = s->st_nlink;
1189 PL_statcache.st_uid = s->st_uid;
1190 PL_statcache.st_gid = s->st_gid;
1191 PL_statcache.st_rdev = s->st_rdev;
1192 PL_statcache.st_size = s->st_size;
1193 PL_statcache.st_atime = s->st_atime;
1194 PL_statcache.st_mtime = s->st_mtime;
1195 PL_statcache.st_ctime = s->st_ctime;
1196
1197 if (GIMME_V == G_SCALAR)
1198 XPUSHs (boolSV (s->st_nlink));
1199 else if (GIMME_V == G_ARRAY && s->st_nlink)
1200 {
1201 EXTEND (SP, 13);
1202 PUSHs (sv_2mortal (newSViv (s->st_dev)));
1203 PUSHs (sv_2mortal (newSViv (s->st_ino)));
1204 PUSHs (sv_2mortal (newSVuv (s->st_mode)));
1205 PUSHs (sv_2mortal (newSVuv (s->st_nlink)));
1206 PUSHs (sv_2mortal (newSViv (s->st_uid)));
1207 PUSHs (sv_2mortal (newSViv (s->st_gid)));
1208 PUSHs (sv_2mortal (newSViv (s->st_rdev)));
1209 PUSHs (sv_2mortal (newSVnv ((NV)s->st_size)));
1210 PUSHs (sv_2mortal (newSVnv (s->st_atime)));
1211 PUSHs (sv_2mortal (newSVnv (s->st_mtime)));
1212 PUSHs (sv_2mortal (newSVnv (s->st_ctime)));
1213 PUSHs (sv_2mortal (newSVuv (4096)));
1214 PUSHs (sv_2mortal (newSVnv ((NV)((s->st_size + 4095) / 4096))));
1215 }
1216 }
1217
1218 MODULE = EV PACKAGE = EV::Embed PREFIX = ev_embed_
1219
1220 void ev_embed_start (ev_embed *w)
1221 CODE:
1222 START (embed, w);
1223
1224 void ev_embed_stop (ev_embed *w)
1225 CODE:
1226 STOP (embed, w);
1227
1228 void DESTROY (ev_embed *w)
1229 CODE:
1230 STOP (embed, w);
1231 e_destroy (w);
1232
1233 void set (ev_embed *w, struct ev_loop *loop)
1234 CODE:
1235 {
1236 sv_setsv (e_fh (w), ST (1));
1237 RESET (embed, w, (w, loop));
1238 }
1239
1240 SV *other (ev_embed *w)
1241 CODE:
1242 RETVAL = newSVsv (e_fh (w));
1243 OUTPUT:
1244 RETVAL
1245
1246 void ev_embed_sweep (ev_embed *w)
1247 C_ARGS: e_loop (w), w
1248
1249 MODULE = EV PACKAGE = EV::Async PREFIX = ev_async_
1250
1251 void ev_async_start (ev_async *w)
1252 CODE:
1253 START (async, w);
1254
1255 void ev_async_stop (ev_async *w)
1256 CODE:
1257 STOP (async, w);
1258
1259 void DESTROY (ev_async *w)
1260 CODE:
1261 STOP (async, w);
1262 e_destroy (w);
1263
1264 void ev_async_send (ev_async *w)
1265 C_ARGS: e_loop (w), w
1266
1267 SV *ev_async_async_pending (ev_async *w)
1268 CODE:
1269 RETVAL = boolSV (ev_async_pending (w));
1270 OUTPUT:
1271 RETVAL
1272
1273 MODULE = EV PACKAGE = EV::Loop PREFIX = ev_
1274
1275 SV *new (SV *klass, unsigned int flags = 0)
1276 CODE:
1277 {
1278 struct ev_loop *loop = ev_loop_new (flags);
1279
1280 if (!loop)
1281 XSRETURN_UNDEF;
1282
1283 RETVAL = sv_bless (newRV_noinc (newSViv (PTR2IV (loop))), stash_loop);
1284 }
1285 OUTPUT:
1286 RETVAL
1287
1288 void DESTROY (struct ev_loop *loop)
1289 CODE:
1290 if (loop != evapi.default_loop) /* global destruction sucks */
1291 ev_loop_destroy (loop);
1292
1293 void ev_loop_fork (struct ev_loop *loop)
1294
1295 void ev_verify (struct ev_loop *loop)
1296
1297 NV ev_now (struct ev_loop *loop)
1298
1299 void ev_now_update (struct ev_loop *loop)
1300
1301 void ev_suspend (struct ev_loop *loop)
1302
1303 void ev_resume (struct ev_loop *loop)
1304
1305 void ev_set_io_collect_interval (struct ev_loop *loop, NV interval)
1306
1307 void ev_set_timeout_collect_interval (struct ev_loop *loop, NV interval)
1308
1309 unsigned int ev_backend (struct ev_loop *loop)
1310
1311 unsigned int ev_iteration (struct ev_loop *loop)
1312
1313 unsigned int ev_depth (struct ev_loop *loop)
1314
1315 void ev_loop (struct ev_loop *loop, int flags = 0)
1316
1317 void ev_unloop (struct ev_loop *loop, int how = 1)
1318
1319 void ev_feed_fd_event (struct ev_loop *loop, int fd, int revents = EV_NONE)
1320
1321 unsigned int ev_pending_count (struct ev_loop *loop)
1322
1323 void ev_invoke_pending (struct ev_loop *loop)
1324
1325 #if 0
1326
1327 void ev_feed_signal_event (struct ev_loop *loop, SV *signal)
1328 CODE:
1329 {
1330 Signal signum = s_signum (signal);
1331 CHECK_SIG (signal, signum);
1332
1333 ev_feed_signal_event (loop, signum);
1334 }
1335
1336 #endif
1337
1338 ev_io *io (struct ev_loop *loop, SV *fh, int events, SV *cb)
1339 ALIAS:
1340 io_ns = 1
1341 CODE:
1342 {
1343 int fd = s_fileno (fh, events & EV_WRITE);
1344 CHECK_FD (fh, fd);
1345
1346 RETVAL = e_new (sizeof (ev_io), cb, ST (0));
1347 e_fh (RETVAL) = newSVsv (fh);
1348 ev_io_set (RETVAL, fd, events);
1349 if (!ix) START (io, RETVAL);
1350 }
1351 OUTPUT:
1352 RETVAL
1353
1354 ev_timer *timer (struct ev_loop *loop, NV after, NV repeat, SV *cb)
1355 ALIAS:
1356 timer_ns = 1
1357 INIT:
1358 CHECK_REPEAT (repeat);
1359 CODE:
1360 RETVAL = e_new (sizeof (ev_timer), cb, ST (0));
1361 ev_timer_set (RETVAL, after, repeat);
1362 if (!ix) START (timer, RETVAL);
1363 OUTPUT:
1364 RETVAL
1365
1366 SV *periodic (struct ev_loop *loop, NV at, NV interval, SV *reschedule_cb, SV *cb)
1367 ALIAS:
1368 periodic_ns = 1
1369 INIT:
1370 CHECK_REPEAT (interval);
1371 CODE:
1372 {
1373 ev_periodic *w;
1374 w = e_new (sizeof (ev_periodic), cb, ST (0));
1375 e_fh (w) = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
1376 ev_periodic_set (w, at, interval, e_fh (w) ? e_periodic_cb : 0);
1377 RETVAL = e_bless ((ev_watcher *)w, stash_periodic);
1378 if (!ix) START (periodic, w);
1379 }
1380 OUTPUT:
1381 RETVAL
1382
1383 ev_signal *signal (struct ev_loop *loop, SV *signal, SV *cb)
1384 ALIAS:
1385 signal_ns = 1
1386 CODE:
1387 {
1388 Signal signum = s_signum (signal);
1389 CHECK_SIG (signal, signum);
1390
1391 RETVAL = e_new (sizeof (ev_signal), cb, ST (0));
1392 ev_signal_set (RETVAL, signum);
1393 if (!ix) START_SIGNAL (RETVAL);
1394 }
1395 OUTPUT:
1396 RETVAL
1397
1398 ev_idle *idle (struct ev_loop *loop, SV *cb)
1399 ALIAS:
1400 idle_ns = 1
1401 CODE:
1402 RETVAL = e_new (sizeof (ev_idle), cb, ST (0));
1403 ev_idle_set (RETVAL);
1404 if (!ix) START (idle, RETVAL);
1405 OUTPUT:
1406 RETVAL
1407
1408 ev_prepare *prepare (struct ev_loop *loop, SV *cb)
1409 ALIAS:
1410 prepare_ns = 1
1411 CODE:
1412 RETVAL = e_new (sizeof (ev_prepare), cb, ST (0));
1413 ev_prepare_set (RETVAL);
1414 if (!ix) START (prepare, RETVAL);
1415 OUTPUT:
1416 RETVAL
1417
1418 ev_check *check (struct ev_loop *loop, SV *cb)
1419 ALIAS:
1420 check_ns = 1
1421 CODE:
1422 RETVAL = e_new (sizeof (ev_check), cb, ST (0));
1423 ev_check_set (RETVAL);
1424 if (!ix) START (check, RETVAL);
1425 OUTPUT:
1426 RETVAL
1427
1428 ev_fork *fork (struct ev_loop *loop, SV *cb)
1429 ALIAS:
1430 fork_ns = 1
1431 CODE:
1432 RETVAL = e_new (sizeof (ev_fork), cb, ST (0));
1433 ev_fork_set (RETVAL);
1434 if (!ix) START (fork, RETVAL);
1435 OUTPUT:
1436 RETVAL
1437
1438
1439 ev_child *child (struct ev_loop *loop, int pid, int trace, SV *cb)
1440 ALIAS:
1441 child_ns = 1
1442 CODE:
1443 #if EV_CHILD_ENABLE
1444 RETVAL = e_new (sizeof (ev_child), cb, ST (0));
1445 ev_child_set (RETVAL, pid, trace);
1446 if (!ix) START (child, RETVAL);
1447 #else
1448 croak ("EV::child watchers not supported on this platform");
1449 #endif
1450 OUTPUT:
1451 RETVAL
1452
1453 ev_stat *stat (struct ev_loop *loop, SV *path, NV interval, SV *cb)
1454 ALIAS:
1455 stat_ns = 1
1456 CODE:
1457 RETVAL = e_new (sizeof (ev_stat), cb, ST (0));
1458 e_fh (RETVAL) = newSVsv (path);
1459 ev_stat_set (RETVAL, SvPVbyte_nolen (e_fh (RETVAL)), interval);
1460 if (!ix) START (stat, RETVAL);
1461 OUTPUT:
1462 RETVAL
1463
1464 ev_embed *embed (struct ev_loop *loop, struct ev_loop *other, SV *cb = 0)
1465 ALIAS:
1466 embed_ns = 1
1467 CODE:
1468 {
1469 if (!(ev_backend (other) & ev_embeddable_backends ()))
1470 croak ("passed loop is not embeddable via EV::embed,");
1471
1472 RETVAL = e_new (sizeof (ev_embed), cb, ST (0));
1473 e_fh (RETVAL) = newSVsv (ST (1));
1474 ev_embed_set (RETVAL, other);
1475 if (!ix) START (embed, RETVAL);
1476 }
1477 OUTPUT:
1478 RETVAL
1479
1480 ev_async *async (struct ev_loop *loop, SV *cb)
1481 ALIAS:
1482 async_ns = 1
1483 CODE:
1484 RETVAL = e_new (sizeof (ev_async), cb, ST (0));
1485 ev_async_set (RETVAL);
1486 if (!ix) START (async, RETVAL);
1487 OUTPUT:
1488 RETVAL
1489
1490 void once (struct ev_loop *loop, SV *fh, int events, SV *timeout, SV *cb)
1491 CODE:
1492 ev_once (
1493 loop,
1494 s_fileno (fh, events & EV_WRITE), events,
1495 SvOK (timeout) ? SvNV (timeout) : -1.,
1496 e_once_cb,
1497 newSVsv (cb)
1498 );
1499