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/cvs/EV/EV.xs
Revision: 1.131
Committed: Sun Jul 19 20:39:54 2009 UTC (14 years, 9 months ago) by root
Branch: MAIN
Changes since 1.130: +0 -4 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_PROTOTYPES 1
19 #define EV_USE_NANOSLEEP EV_USE_MONOTONIC
20 #define EV_H <ev.h>
21 #include "EV/EVAPI.h"
22
23 #define EV_SELECT_IS_WINSOCKET 0
24 #ifdef _WIN32
25 # define EV_SELECT_USE_FD_SET 0
26 # define NFDBITS PERL_NFDBITS
27 # define fd_mask Perl_fd_mask
28 #endif
29 /* due to bugs in OS X we have to use libev/ explicitly here */
30 #include "libev/ev.c"
31
32 #ifndef _WIN32
33 # include <pthread.h>
34 #endif
35
36 #define e_loop(w) INT2PTR (struct ev_loop *, SvIVX ((w)->loop))
37
38 #define WFLAG_KEEPALIVE 1
39 #define WFLAG_UNREFED 2 /* has been unref'ed */
40
41 #define UNREF(w) \
42 if (!((w)->e_flags & (WFLAG_KEEPALIVE | WFLAG_UNREFED)) \
43 && ev_is_active (w)) \
44 { \
45 ev_unref (e_loop (w)); \
46 (w)->e_flags |= WFLAG_UNREFED; \
47 }
48
49 #define REF(w) \
50 if ((w)->e_flags & WFLAG_UNREFED) \
51 { \
52 (w)->e_flags &= ~WFLAG_UNREFED; \
53 ev_ref (e_loop (w)); \
54 }
55
56 #define START(type,w) \
57 do { \
58 ev_ ## type ## _start (e_loop (w), w); \
59 UNREF (w); \
60 } while (0)
61
62 #define STOP(type,w) \
63 do { \
64 REF (w); \
65 ev_ ## type ## _stop (e_loop (w), w); \
66 } while (0)
67
68 #define RESET(type,w,seta) \
69 do { \
70 int active = ev_is_active (w); \
71 if (active) STOP (type, w); \
72 ev_ ## type ## _set seta; \
73 if (active) START (type, w); \
74 } while (0)
75
76 typedef int Signal;
77
78 static SV *default_loop_sv;
79
80 static struct EVAPI evapi;
81
82 static HV
83 *stash_loop,
84 *stash_watcher,
85 *stash_io,
86 *stash_timer,
87 *stash_periodic,
88 *stash_signal,
89 *stash_child,
90 *stash_stat,
91 *stash_idle,
92 *stash_prepare,
93 *stash_check,
94 *stash_embed,
95 *stash_fork,
96 *stash_async;
97
98 /////////////////////////////////////////////////////////////////////////////
99 // Event
100
101 static void e_cb (EV_P_ ev_watcher *w, int revents);
102
103 static void *
104 e_new (int size, SV *cb_sv, SV *loop)
105 {
106 SV *cv = cb_sv ? s_get_cv_croak (cb_sv) : 0;
107 ev_watcher *w;
108 SV *self = NEWSV (0, size);
109 SvPOK_only (self);
110 SvCUR_set (self, size);
111
112 w = (ev_watcher *)SvPVX (self);
113
114 ev_init (w, cv ? e_cb : 0);
115
116 w->loop = SvREFCNT_inc (SvRV (loop));
117 w->e_flags = WFLAG_KEEPALIVE;
118 w->data = 0;
119 w->fh = 0;
120 w->cb_sv = SvREFCNT_inc (cv);
121 w->self = self;
122
123 return (void *)w;
124 }
125
126 static void
127 e_destroy (void *w_)
128 {
129 ev_watcher *w = (ev_watcher *)w_;
130
131 SvREFCNT_dec (w->loop ); w->loop = 0;
132 SvREFCNT_dec (w->fh ); w->fh = 0;
133 SvREFCNT_dec (w->cb_sv); w->cb_sv = 0;
134 SvREFCNT_dec (w->data ); w->data = 0;
135 }
136
137 static SV *
138 e_bless (ev_watcher *w, HV *stash)
139 {
140 SV *rv;
141
142 if (SvOBJECT (w->self))
143 rv = newRV_inc (w->self);
144 else
145 {
146 rv = newRV_noinc (w->self);
147 sv_bless (rv, stash);
148 SvREADONLY_on (w->self);
149 }
150
151 return rv;
152 }
153
154 static SV *sv_self_cache, *sv_events_cache;
155
156 static void
157 e_cb (EV_P_ ev_watcher *w, int revents)
158 {
159 dSP;
160 I32 mark = SP - PL_stack_base;
161 SV *sv_self, *sv_events;
162
163 /* libev might have stopped the watcher */
164 if (expect_false (w->e_flags & WFLAG_UNREFED)
165 && !ev_is_active (w))
166 REF (w);
167
168 if (expect_true (sv_self_cache))
169 {
170 sv_self = sv_self_cache; sv_self_cache = 0;
171 SvRV_set (sv_self, SvREFCNT_inc_NN (w->self));
172 }
173 else
174 {
175 sv_self = newRV_inc (w->self); /* w->self MUST be blessed by now */
176 SvREADONLY_on (sv_self);
177 }
178
179 if (expect_true (sv_events_cache))
180 {
181 sv_events = sv_events_cache; sv_events_cache = 0;
182 SvIV_set (sv_events, revents);
183 }
184 else
185 {
186 sv_events = newSViv (revents);
187 SvREADONLY_on (sv_events);
188 }
189
190 PUSHMARK (SP);
191 EXTEND (SP, 2);
192 PUSHs (sv_self);
193 PUSHs (sv_events);
194
195 PUTBACK;
196 call_sv (w->cb_sv, G_DISCARD | G_VOID | G_EVAL);
197
198 if (expect_false (SvREFCNT (sv_self) != 1 || sv_self_cache))
199 SvREFCNT_dec (sv_self);
200 else
201 {
202 SvREFCNT_dec (SvRV (sv_self));
203 SvRV_set (sv_self, &PL_sv_undef);
204 sv_self_cache = sv_self;
205 }
206
207 if (expect_false (SvREFCNT (sv_events) != 1 || sv_events_cache))
208 SvREFCNT_dec (sv_events);
209 else
210 sv_events_cache = sv_events;
211
212 if (expect_false (SvTRUE (ERRSV)))
213 {
214 SPAGAIN;
215 PUSHMARK (SP);
216 PUTBACK;
217 call_sv (get_sv ("EV::DIED", 1), G_DISCARD | G_VOID | G_EVAL | G_KEEPERR);
218 }
219
220 SP = PL_stack_base + mark;
221 PUTBACK;
222 }
223
224 static void
225 e_once_cb (int revents, void *arg)
226 {
227 dSP;
228 I32 mark = SP - PL_stack_base;
229 SV *sv_events;
230
231 if (sv_events_cache)
232 {
233 sv_events = sv_events_cache; sv_events_cache = 0;
234 SvIV_set (sv_events, revents);
235 }
236 else
237 sv_events = newSViv (revents);
238
239 PUSHMARK (SP);
240 XPUSHs (sv_events);
241
242 PUTBACK;
243 call_sv ((SV *)arg, G_DISCARD | G_VOID | G_EVAL);
244
245 SvREFCNT_dec ((SV *)arg);
246
247 if (sv_events_cache)
248 SvREFCNT_dec (sv_events);
249 else
250 sv_events_cache = sv_events;
251
252 if (SvTRUE (ERRSV))
253 {
254 SPAGAIN;
255 PUSHMARK (SP);
256 PUTBACK;
257 call_sv (get_sv ("EV::DIED", 1), G_DISCARD | G_VOID | G_EVAL | G_KEEPERR);
258 }
259
260 SP = PL_stack_base + mark;
261 PUTBACK;
262 }
263
264 static ev_tstamp
265 e_periodic_cb (ev_periodic *w, ev_tstamp now)
266 {
267 ev_tstamp retval;
268 int count;
269 dSP;
270
271 ENTER;
272 SAVETMPS;
273
274 PUSHMARK (SP);
275 EXTEND (SP, 2);
276 PUSHs (newRV_inc (w->self)); /* w->self MUST be blessed by now */
277 PUSHs (newSVnv (now));
278
279 PUTBACK;
280 count = call_sv (w->fh, G_SCALAR | G_EVAL);
281 SPAGAIN;
282
283 if (SvTRUE (ERRSV))
284 {
285 PUSHMARK (SP);
286 PUTBACK;
287 call_sv (get_sv ("EV::DIED", 1), G_DISCARD | G_VOID | G_EVAL | G_KEEPERR);
288 SPAGAIN;
289 }
290
291 if (count > 0)
292 {
293 retval = SvNV (TOPs);
294
295 if (retval < now)
296 retval = now;
297 }
298 else
299 retval = now;
300
301 FREETMPS;
302 LEAVE;
303
304 return retval;
305 }
306
307 #define CHECK_REPEAT(repeat) if (repeat < 0.) \
308 croak (# repeat " value must be >= 0");
309
310 #define CHECK_FD(fh,fd) if ((fd) < 0) \
311 croak ("illegal file descriptor or filehandle (either no attached file descriptor or illegal value): %s", SvPV_nolen (fh));
312
313 #define CHECK_SIG(sv,num) if ((num) < 0) \
314 croak ("illegal signal number or name: %s", SvPV_nolen (sv));
315
316 /////////////////////////////////////////////////////////////////////////////
317 // XS interface functions
318
319 MODULE = EV PACKAGE = EV PREFIX = ev_
320
321 PROTOTYPES: ENABLE
322
323 BOOT:
324 {
325 HV *stash = gv_stashpv ("EV", 1);
326
327 static const struct {
328 const char *name;
329 IV iv;
330 } *civ, const_iv[] = {
331 # define const_iv(pfx, name) { # name, (IV) pfx ## name },
332 const_iv (EV_, MINPRI)
333 const_iv (EV_, MAXPRI)
334
335 const_iv (EV_, UNDEF)
336 const_iv (EV_, NONE)
337 const_iv (EV_, READ)
338 const_iv (EV_, WRITE)
339 const_iv (EV_, IO)
340 const_iv (EV_, TIMEOUT)
341 const_iv (EV_, TIMER)
342 const_iv (EV_, PERIODIC)
343 const_iv (EV_, SIGNAL)
344 const_iv (EV_, CHILD)
345 const_iv (EV_, STAT)
346 const_iv (EV_, IDLE)
347 const_iv (EV_, PREPARE)
348 const_iv (EV_, CHECK)
349 const_iv (EV_, EMBED)
350 const_iv (EV_, FORK)
351 const_iv (EV_, ASYNC)
352 const_iv (EV_, CUSTOM)
353 const_iv (EV_, ERROR)
354
355 const_iv (EV, LOOP_NONBLOCK)
356 const_iv (EV, LOOP_ONESHOT)
357
358 const_iv (EV, UNLOOP_CANCEL)
359 const_iv (EV, UNLOOP_ONE)
360 const_iv (EV, UNLOOP_ALL)
361
362 const_iv (EV, BACKEND_SELECT)
363 const_iv (EV, BACKEND_POLL)
364 const_iv (EV, BACKEND_EPOLL)
365 const_iv (EV, BACKEND_KQUEUE)
366 const_iv (EV, BACKEND_DEVPOLL)
367 const_iv (EV, BACKEND_PORT)
368 const_iv (EV, FLAG_AUTO)
369 const_iv (EV, FLAG_NOENV)
370 const_iv (EV, FLAG_FORKCHECK)
371
372 const_iv (EV_, VERSION_MAJOR)
373 const_iv (EV_, VERSION_MINOR)
374 };
375
376 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
377 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
378
379 stash_loop = gv_stashpv ("EV::Loop" , 1);
380 stash_watcher = gv_stashpv ("EV::Watcher" , 1);
381 stash_io = gv_stashpv ("EV::IO" , 1);
382 stash_timer = gv_stashpv ("EV::Timer" , 1);
383 stash_periodic = gv_stashpv ("EV::Periodic", 1);
384 stash_signal = gv_stashpv ("EV::Signal" , 1);
385 stash_idle = gv_stashpv ("EV::Idle" , 1);
386 stash_prepare = gv_stashpv ("EV::Prepare" , 1);
387 stash_check = gv_stashpv ("EV::Check" , 1);
388 stash_child = gv_stashpv ("EV::Child" , 1);
389 stash_embed = gv_stashpv ("EV::Embed" , 1);
390 stash_stat = gv_stashpv ("EV::Stat" , 1);
391 stash_fork = gv_stashpv ("EV::Fork" , 1);
392 stash_async = gv_stashpv ("EV::Async" , 1);
393
394 {
395 SV *sv = perl_get_sv ("EV::API", TRUE);
396 perl_get_sv ("EV::API", TRUE); /* silence 5.10 warning */
397
398 /* the poor man's shared library emulator */
399 evapi.ver = EV_API_VERSION;
400 evapi.rev = EV_API_REVISION;
401 evapi.sv_fileno = sv_fileno;
402 evapi.sv_signum = s_signum;
403 evapi.supported_backends = ev_supported_backends ();
404 evapi.recommended_backends = ev_recommended_backends ();
405 evapi.embeddable_backends = ev_embeddable_backends ();
406 evapi.time_ = ev_time;
407 evapi.sleep_ = ev_sleep;
408 evapi.loop_new = ev_loop_new;
409 evapi.loop_destroy = ev_loop_destroy;
410 evapi.loop_fork = ev_loop_fork;
411 evapi.loop_count = ev_loop_count;
412 evapi.loop_depth = ev_loop_depth;
413 evapi.set_userdata = ev_set_userdata;
414 evapi.userdata = ev_userdata;
415 evapi.now = ev_now;
416 evapi.now_update = ev_now_update;
417 evapi.suspend = ev_suspend;
418 evapi.resume = ev_resume;
419 evapi.backend = ev_backend;
420 evapi.unloop = ev_unloop;
421 evapi.invoke_pending = ev_invoke_pending;
422 evapi.pending_count = ev_pending_count;
423 evapi.set_loop_release_cb = ev_set_loop_release_cb;
424 evapi.set_invoke_pending_cb= ev_set_invoke_pending_cb;
425 evapi.ref = ev_ref;
426 evapi.unref = ev_unref;
427 evapi.loop = ev_loop;
428 evapi.once = ev_once;
429 evapi.io_start = ev_io_start;
430 evapi.io_stop = ev_io_stop;
431 evapi.timer_start = ev_timer_start;
432 evapi.timer_stop = ev_timer_stop;
433 evapi.timer_again = ev_timer_again;
434 evapi.timer_remaining = ev_timer_remaining;
435 evapi.periodic_start = ev_periodic_start;
436 evapi.periodic_stop = ev_periodic_stop;
437 evapi.signal_start = ev_signal_start;
438 evapi.signal_stop = ev_signal_stop;
439 evapi.idle_start = ev_idle_start;
440 evapi.idle_stop = ev_idle_stop;
441 evapi.prepare_start = ev_prepare_start;
442 evapi.prepare_stop = ev_prepare_stop;
443 evapi.check_start = ev_check_start;
444 evapi.check_stop = ev_check_stop;
445 evapi.child_start = ev_child_start;
446 evapi.child_stop = ev_child_stop;
447 evapi.stat_start = ev_stat_start;
448 evapi.stat_stop = ev_stat_stop;
449 evapi.stat_stat = ev_stat_stat;
450 evapi.embed_start = ev_embed_start;
451 evapi.embed_stop = ev_embed_stop;
452 evapi.embed_sweep = ev_embed_sweep;
453 evapi.fork_start = ev_fork_start;
454 evapi.fork_stop = ev_fork_stop;
455 evapi.async_start = ev_async_start;
456 evapi.async_stop = ev_async_stop;
457 evapi.async_send = ev_async_send;
458 evapi.clear_pending = ev_clear_pending;
459 evapi.invoke = ev_invoke;
460
461 sv_setiv (sv, (IV)&evapi);
462 SvREADONLY_on (sv);
463 }
464 #ifndef _WIN32
465 pthread_atfork (0, 0, ev_default_fork);
466 #endif
467 }
468
469 SV *ev_default_loop (unsigned int flags = 0)
470 CODE:
471 {
472 if (!default_loop_sv)
473 {
474 evapi.default_loop = ev_default_loop (flags);
475
476 if (!evapi.default_loop)
477 XSRETURN_UNDEF;
478
479 default_loop_sv = sv_bless (newRV_noinc (newSViv (PTR2IV (evapi.default_loop))), stash_loop);
480 }
481
482 RETVAL = newSVsv (default_loop_sv);
483 }
484 OUTPUT:
485 RETVAL
486
487 void ev_default_destroy ()
488 CODE:
489 ev_default_destroy ();
490 SvREFCNT_dec (default_loop_sv);
491 default_loop_sv = 0;
492
493 unsigned int ev_supported_backends ()
494
495 unsigned int ev_recommended_backends ()
496
497 unsigned int ev_embeddable_backends ()
498
499 void ev_sleep (NV interval)
500
501 NV ev_time ()
502
503 NV ev_now ()
504 C_ARGS: evapi.default_loop
505
506 void ev_now_update ()
507 C_ARGS: evapi.default_loop
508
509 void ev_suspend ()
510 C_ARGS: evapi.default_loop
511
512 void ev_resume ()
513 C_ARGS: evapi.default_loop
514
515 unsigned int ev_backend ()
516 C_ARGS: evapi.default_loop
517
518 void ev_loop_verify ()
519 C_ARGS: evapi.default_loop
520
521 unsigned int ev_loop_count ()
522 C_ARGS: evapi.default_loop
523
524 unsigned int ev_loop_depth ()
525 C_ARGS: evapi.default_loop
526
527 void ev_set_io_collect_interval (NV interval)
528 C_ARGS: evapi.default_loop, interval
529
530 void ev_set_timeout_collect_interval (NV interval)
531 C_ARGS: evapi.default_loop, interval
532
533 void ev_loop (int flags = 0)
534 C_ARGS: evapi.default_loop, flags
535
536 void ev_unloop (int how = EVUNLOOP_ONE)
537 C_ARGS: evapi.default_loop, how
538
539 void ev_feed_fd_event (int fd, int revents = EV_NONE)
540 C_ARGS: evapi.default_loop, fd, revents
541
542 void ev_feed_signal_event (SV *signal)
543 CODE:
544 {
545 Signal signum = s_signum (signal);
546 CHECK_SIG (signal, signum);
547
548 ev_feed_signal_event (evapi.default_loop, signum);
549 }
550
551 unsigned int ev_pending_count ()
552 C_ARGS: evapi.default_loop
553
554 void ev_invoke_pending ()
555 C_ARGS: evapi.default_loop
556
557 ev_io *io (SV *fh, int events, SV *cb)
558 ALIAS:
559 io_ns = 1
560 CODE:
561 {
562 int fd = s_fileno (fh, events & EV_WRITE);
563 CHECK_FD (fh, fd);
564
565 RETVAL = e_new (sizeof (ev_io), cb, default_loop_sv);
566 RETVAL->fh = newSVsv (fh);
567 ev_io_set (RETVAL, fd, events);
568 if (!ix) START (io, RETVAL);
569 }
570 OUTPUT:
571 RETVAL
572
573 ev_timer *timer (NV after, NV repeat, SV *cb)
574 ALIAS:
575 timer_ns = 1
576 INIT:
577 CHECK_REPEAT (repeat);
578 CODE:
579 RETVAL = e_new (sizeof (ev_timer), cb, default_loop_sv);
580 ev_timer_set (RETVAL, after, repeat);
581 if (!ix) START (timer, RETVAL);
582 OUTPUT:
583 RETVAL
584
585 SV *periodic (NV at, NV interval, SV *reschedule_cb, SV *cb)
586 ALIAS:
587 periodic_ns = 1
588 INIT:
589 CHECK_REPEAT (interval);
590 CODE:
591 {
592 ev_periodic *w;
593 w = e_new (sizeof (ev_periodic), cb, default_loop_sv);
594 w->fh = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
595 ev_periodic_set (w, at, interval, w->fh ? e_periodic_cb : 0);
596 RETVAL = e_bless ((ev_watcher *)w, stash_periodic);
597 if (!ix) START (periodic, w);
598 }
599 OUTPUT:
600 RETVAL
601
602 ev_signal *signal (SV *signal, SV *cb)
603 ALIAS:
604 signal_ns = 1
605 CODE:
606 {
607 Signal signum = s_signum (signal);
608 CHECK_SIG (signal, signum);
609
610 RETVAL = e_new (sizeof (ev_signal), cb, default_loop_sv);
611 ev_signal_set (RETVAL, signum);
612 if (!ix) START (signal, RETVAL);
613 }
614 OUTPUT:
615 RETVAL
616
617 ev_idle *idle (SV *cb)
618 ALIAS:
619 idle_ns = 1
620 CODE:
621 RETVAL = e_new (sizeof (ev_idle), cb, default_loop_sv);
622 ev_idle_set (RETVAL);
623 if (!ix) START (idle, RETVAL);
624 OUTPUT:
625 RETVAL
626
627 ev_prepare *prepare (SV *cb)
628 ALIAS:
629 prepare_ns = 1
630 CODE:
631 RETVAL = e_new (sizeof (ev_prepare), cb, default_loop_sv);
632 ev_prepare_set (RETVAL);
633 if (!ix) START (prepare, RETVAL);
634 OUTPUT:
635 RETVAL
636
637 ev_check *check (SV *cb)
638 ALIAS:
639 check_ns = 1
640 CODE:
641 RETVAL = e_new (sizeof (ev_check), cb, default_loop_sv);
642 ev_check_set (RETVAL);
643 if (!ix) START (check, RETVAL);
644 OUTPUT:
645 RETVAL
646
647 ev_fork *fork (SV *cb)
648 ALIAS:
649 fork_ns = 1
650 CODE:
651 RETVAL = e_new (sizeof (ev_fork), cb, default_loop_sv);
652 ev_fork_set (RETVAL);
653 if (!ix) START (fork, RETVAL);
654 OUTPUT:
655 RETVAL
656
657 ev_child *child (int pid, int trace, SV *cb)
658 ALIAS:
659 child_ns = 1
660 CODE:
661 RETVAL = e_new (sizeof (ev_child), cb, default_loop_sv);
662 ev_child_set (RETVAL, pid, trace);
663 if (!ix) START (child, RETVAL);
664 OUTPUT:
665 RETVAL
666
667 ev_stat *stat (SV *path, NV interval, SV *cb)
668 ALIAS:
669 stat_ns = 1
670 CODE:
671 RETVAL = e_new (sizeof (ev_stat), cb, default_loop_sv);
672 RETVAL->fh = newSVsv (path);
673 ev_stat_set (RETVAL, SvPVbyte_nolen (RETVAL->fh), interval);
674 if (!ix) START (stat, RETVAL);
675 OUTPUT:
676 RETVAL
677
678 ev_embed *embed (struct ev_loop *loop, SV *cb = 0)
679 ALIAS:
680 embed_ns = 1
681 CODE:
682 {
683 if (!(ev_backend (loop) & ev_embeddable_backends ()))
684 croak ("passed loop is not embeddable via EV::embed,");
685
686 RETVAL = e_new (sizeof (ev_embed), cb, default_loop_sv);
687 RETVAL->fh = newSVsv (ST (0));
688 ev_embed_set (RETVAL, loop);
689 if (!ix) START (embed, RETVAL);
690 }
691 OUTPUT:
692 RETVAL
693
694 ev_async *async (SV *cb)
695 ALIAS:
696 async_ns = 1
697 CODE:
698 RETVAL = e_new (sizeof (ev_async), cb, default_loop_sv);
699 ev_async_set (RETVAL);
700 if (!ix) START (async, RETVAL);
701 OUTPUT:
702 RETVAL
703
704 void once (SV *fh, int events, SV *timeout, SV *cb)
705 CODE:
706 ev_once (
707 evapi.default_loop,
708 s_fileno (fh, events & EV_WRITE), events,
709 SvOK (timeout) ? SvNV (timeout) : -1.,
710 e_once_cb,
711 newSVsv (cb)
712 );
713
714 PROTOTYPES: DISABLE
715
716 MODULE = EV PACKAGE = EV::Watcher PREFIX = ev_
717
718 int ev_is_active (ev_watcher *w)
719
720 int ev_is_pending (ev_watcher *w)
721
722 void ev_invoke (ev_watcher *w, int revents = EV_NONE)
723 C_ARGS: e_loop (w), w, revents
724
725 int ev_clear_pending (ev_watcher *w)
726 C_ARGS: e_loop (w), w
727
728 void ev_feed_event (ev_watcher *w, int revents = EV_NONE)
729 C_ARGS: e_loop (w), w, revents
730
731 int keepalive (ev_watcher *w, int new_value = 0)
732 CODE:
733 {
734 RETVAL = w->e_flags & WFLAG_KEEPALIVE;
735 new_value = new_value ? WFLAG_KEEPALIVE : 0;
736
737 if (items > 1 && ((new_value ^ w->e_flags) & WFLAG_KEEPALIVE))
738 {
739 w->e_flags = (w->e_flags & ~WFLAG_KEEPALIVE) | new_value;
740 REF (w);
741 UNREF (w);
742 }
743 }
744 OUTPUT:
745 RETVAL
746
747 SV *cb (ev_watcher *w, SV *new_cb = 0)
748 CODE:
749 {
750 if (items > 1)
751 {
752 new_cb = s_get_cv_croak (new_cb);
753 RETVAL = newRV_noinc (w->cb_sv);
754 w->cb_sv = SvREFCNT_inc (new_cb);
755 }
756 else
757 RETVAL = newRV_inc (w->cb_sv);
758 }
759 OUTPUT:
760 RETVAL
761
762 SV *data (ev_watcher *w, SV *new_data = 0)
763 CODE:
764 {
765 RETVAL = w->data ? newSVsv (w->data) : &PL_sv_undef;
766
767 if (items > 1)
768 {
769 SvREFCNT_dec (w->data);
770 w->data = newSVsv (new_data);
771 }
772 }
773 OUTPUT:
774 RETVAL
775
776 SV *loop (ev_watcher *w)
777 CODE:
778 RETVAL = newRV_inc (w->loop);
779 OUTPUT:
780 RETVAL
781
782 int priority (ev_watcher *w, int new_priority = 0)
783 CODE:
784 {
785 RETVAL = w->priority;
786
787 if (items > 1)
788 {
789 int active = ev_is_active (w);
790
791 if (active)
792 {
793 /* grrr. */
794 PUSHMARK (SP);
795 XPUSHs (ST (0));
796 PUTBACK;
797 call_method ("stop", G_DISCARD | G_VOID);
798 }
799
800 ev_set_priority (w, new_priority);
801
802 if (active)
803 {
804 PUSHMARK (SP);
805 XPUSHs (ST (0));
806 PUTBACK;
807 call_method ("start", G_DISCARD | G_VOID);
808 }
809 }
810 }
811 OUTPUT:
812 RETVAL
813
814 MODULE = EV PACKAGE = EV::IO PREFIX = ev_io_
815
816 void ev_io_start (ev_io *w)
817 CODE:
818 START (io, w);
819
820 void ev_io_stop (ev_io *w)
821 CODE:
822 STOP (io, w);
823
824 void DESTROY (ev_io *w)
825 CODE:
826 STOP (io, w);
827 e_destroy (w);
828
829 void set (ev_io *w, SV *fh, int events)
830 CODE:
831 {
832 int fd = s_fileno (fh, events & EV_WRITE);
833 CHECK_FD (fh, fd);
834
835 sv_setsv (w->fh, fh);
836 RESET (io, w, (w, fd, events));
837 }
838
839 SV *fh (ev_io *w, SV *new_fh = 0)
840 CODE:
841 {
842 if (items > 1)
843 {
844 int fd = s_fileno (new_fh, w->events & EV_WRITE);
845 CHECK_FD (new_fh, fd);
846
847 RETVAL = w->fh;
848 w->fh = newSVsv (new_fh);
849
850 RESET (io, w, (w, fd, w->events));
851 }
852 else
853 RETVAL = newSVsv (w->fh);
854 }
855 OUTPUT:
856 RETVAL
857
858 int events (ev_io *w, int new_events = EV_UNDEF)
859 CODE:
860 {
861 RETVAL = w->events;
862
863 if (items > 1)
864 RESET (io, w, (w, w->fd, new_events));
865 }
866 OUTPUT:
867 RETVAL
868
869 MODULE = EV PACKAGE = EV::Signal PREFIX = ev_signal_
870
871 void ev_signal_start (ev_signal *w)
872 CODE:
873 START (signal, w);
874
875 void ev_signal_stop (ev_signal *w)
876 CODE:
877 STOP (signal, w);
878
879 void DESTROY (ev_signal *w)
880 CODE:
881 STOP (signal, w);
882 e_destroy (w);
883
884 void set (ev_signal *w, SV *signal)
885 CODE:
886 {
887 Signal signum = s_signum (signal);
888 CHECK_SIG (signal, signum);
889
890 RESET (signal, w, (w, signum));
891 }
892
893 int signal (ev_signal *w, SV *new_signal = 0)
894 CODE:
895 {
896 RETVAL = w->signum;
897
898 if (items > 1)
899 {
900 Signal signum = s_signum (new_signal);
901 CHECK_SIG (new_signal, signum);
902
903 RESET (signal, w, (w, signum));
904 }
905 }
906 OUTPUT:
907 RETVAL
908
909 MODULE = EV PACKAGE = EV::Timer PREFIX = ev_timer_
910
911 void ev_timer_start (ev_timer *w)
912 INIT:
913 CHECK_REPEAT (w->repeat);
914 CODE:
915 START (timer, w);
916
917 void ev_timer_stop (ev_timer *w)
918 CODE:
919 STOP (timer, w);
920
921 void ev_timer_again (ev_timer *w)
922 INIT:
923 CHECK_REPEAT (w->repeat);
924 CODE:
925 ev_timer_again (e_loop (w), w);
926 UNREF (w);
927
928 NV ev_timer_remaining (ev_timer *w)
929 C_ARGS: e_loop (w), w
930
931 void DESTROY (ev_timer *w)
932 CODE:
933 STOP (timer, w);
934 e_destroy (w);
935
936 void set (ev_timer *w, NV after, NV repeat = 0.)
937 INIT:
938 CHECK_REPEAT (repeat);
939 CODE:
940 RESET (timer, w, (w, after, repeat));
941
942 MODULE = EV PACKAGE = EV::Periodic PREFIX = ev_periodic_
943
944 void ev_periodic_start (ev_periodic *w)
945 INIT:
946 CHECK_REPEAT (w->interval);
947 CODE:
948 START (periodic, w);
949
950 void ev_periodic_stop (ev_periodic *w)
951 CODE:
952 STOP (periodic, w);
953
954 void ev_periodic_again (ev_periodic *w)
955 CODE:
956 ev_periodic_again (e_loop (w), w);
957 UNREF (w);
958
959 void DESTROY (ev_periodic *w)
960 CODE:
961 STOP (periodic, w);
962 e_destroy (w);
963
964 void set (ev_periodic *w, NV at, NV interval = 0., SV *reschedule_cb = &PL_sv_undef)
965 INIT:
966 CHECK_REPEAT (interval);
967 CODE:
968 {
969 SvREFCNT_dec (w->fh);
970 w->fh = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
971
972 RESET (periodic, w, (w, at, interval, w->fh ? e_periodic_cb : 0));
973 }
974
975 NV at (ev_periodic *w)
976 CODE:
977 RETVAL = ev_periodic_at (w);
978 OUTPUT:
979 RETVAL
980
981 MODULE = EV PACKAGE = EV::Idle PREFIX = ev_idle_
982
983 void ev_idle_start (ev_idle *w)
984 CODE:
985 START (idle, w);
986
987 void ev_idle_stop (ev_idle *w)
988 CODE:
989 STOP (idle, w);
990
991 void DESTROY (ev_idle *w)
992 CODE:
993 STOP (idle, w);
994 e_destroy (w);
995
996 MODULE = EV PACKAGE = EV::Prepare PREFIX = ev_prepare_
997
998 void ev_prepare_start (ev_prepare *w)
999 CODE:
1000 START (prepare, w);
1001
1002 void ev_prepare_stop (ev_prepare *w)
1003 CODE:
1004 STOP (prepare, w);
1005
1006 void DESTROY (ev_prepare *w)
1007 CODE:
1008 STOP (prepare, w);
1009 e_destroy (w);
1010
1011 MODULE = EV PACKAGE = EV::Check PREFIX = ev_check_
1012
1013 void ev_check_start (ev_check *w)
1014 CODE:
1015 START (check, w);
1016
1017 void ev_check_stop (ev_check *w)
1018 CODE:
1019 STOP (check, w);
1020
1021 void DESTROY (ev_check *w)
1022 CODE:
1023 STOP (check, w);
1024 e_destroy (w);
1025
1026 MODULE = EV PACKAGE = EV::Fork PREFIX = ev_fork_
1027
1028 void ev_fork_start (ev_fork *w)
1029 CODE:
1030 START (fork, w);
1031
1032 void ev_fork_stop (ev_fork *w)
1033 CODE:
1034 STOP (fork, w);
1035
1036 void DESTROY (ev_fork *w)
1037 CODE:
1038 STOP (fork, w);
1039 e_destroy (w);
1040
1041 MODULE = EV PACKAGE = EV::Child PREFIX = ev_child_
1042
1043 void ev_child_start (ev_child *w)
1044 CODE:
1045 START (child, w);
1046
1047 void ev_child_stop (ev_child *w)
1048 CODE:
1049 STOP (child, w);
1050
1051 void DESTROY (ev_child *w)
1052 CODE:
1053 STOP (child, w);
1054 e_destroy (w);
1055
1056 void set (ev_child *w, int pid, int trace)
1057 CODE:
1058 RESET (child, w, (w, pid, trace));
1059
1060 int pid (ev_child *w)
1061 ALIAS:
1062 rpid = 1
1063 rstatus = 2
1064 CODE:
1065 RETVAL = ix == 0 ? w->pid
1066 : ix == 1 ? w->rpid
1067 : w->rstatus;
1068 OUTPUT:
1069 RETVAL
1070
1071 MODULE = EV PACKAGE = EV::Stat PREFIX = ev_stat_
1072
1073 void ev_stat_start (ev_stat *w)
1074 CODE:
1075 START (stat, w);
1076
1077 void ev_stat_stop (ev_stat *w)
1078 CODE:
1079 STOP (stat, w);
1080
1081 void DESTROY (ev_stat *w)
1082 CODE:
1083 STOP (stat, w);
1084 e_destroy (w);
1085
1086 void set (ev_stat *w, SV *path, NV interval)
1087 CODE:
1088 {
1089 sv_setsv (w->fh, path);
1090 RESET (stat, w, (w, SvPVbyte_nolen (w->fh), interval));
1091 }
1092
1093 SV *path (ev_stat *w, SV *new_path = 0)
1094 CODE:
1095 {
1096 RETVAL = SvREFCNT_inc (w->fh);
1097
1098 if (items > 1)
1099 {
1100 SvREFCNT_dec (w->fh);
1101 w->fh = newSVsv (new_path);
1102 RESET (stat, w, (w, SvPVbyte_nolen (w->fh), w->interval));
1103 }
1104 }
1105 OUTPUT:
1106 RETVAL
1107
1108 NV interval (ev_stat *w, NV new_interval = 0.)
1109 CODE:
1110 {
1111 RETVAL = w->interval;
1112
1113 if (items > 1)
1114 RESET (stat, w, (w, SvPVbyte_nolen (w->fh), new_interval));
1115 }
1116 OUTPUT:
1117 RETVAL
1118
1119 void prev (ev_stat *w)
1120 ALIAS:
1121 stat = 1
1122 attr = 2
1123 PPCODE:
1124 {
1125 ev_statdata *s = ix ? &w->attr : &w->prev;
1126
1127 if (ix == 1)
1128 ev_stat_stat (e_loop (w), w);
1129 else if (!s->st_nlink)
1130 errno = ENOENT;
1131
1132 PL_statcache.st_dev = s->st_nlink;
1133 PL_statcache.st_ino = s->st_ino;
1134 PL_statcache.st_mode = s->st_mode;
1135 PL_statcache.st_nlink = s->st_nlink;
1136 PL_statcache.st_uid = s->st_uid;
1137 PL_statcache.st_gid = s->st_gid;
1138 PL_statcache.st_rdev = s->st_rdev;
1139 PL_statcache.st_size = s->st_size;
1140 PL_statcache.st_atime = s->st_atime;
1141 PL_statcache.st_mtime = s->st_mtime;
1142 PL_statcache.st_ctime = s->st_ctime;
1143
1144 if (GIMME_V == G_SCALAR)
1145 XPUSHs (boolSV (s->st_nlink));
1146 else if (GIMME_V == G_ARRAY && s->st_nlink)
1147 {
1148 EXTEND (SP, 13);
1149 PUSHs (sv_2mortal (newSViv (s->st_dev)));
1150 PUSHs (sv_2mortal (newSViv (s->st_ino)));
1151 PUSHs (sv_2mortal (newSVuv (s->st_mode)));
1152 PUSHs (sv_2mortal (newSVuv (s->st_nlink)));
1153 PUSHs (sv_2mortal (newSViv (s->st_uid)));
1154 PUSHs (sv_2mortal (newSViv (s->st_gid)));
1155 PUSHs (sv_2mortal (newSViv (s->st_rdev)));
1156 PUSHs (sv_2mortal (newSVnv ((NV)s->st_size)));
1157 PUSHs (sv_2mortal (newSVnv (s->st_atime)));
1158 PUSHs (sv_2mortal (newSVnv (s->st_mtime)));
1159 PUSHs (sv_2mortal (newSVnv (s->st_ctime)));
1160 PUSHs (sv_2mortal (newSVuv (4096)));
1161 PUSHs (sv_2mortal (newSVnv ((NV)((s->st_size + 4095) / 4096))));
1162 }
1163 }
1164
1165 MODULE = EV PACKAGE = EV::Embed PREFIX = ev_embed_
1166
1167 void ev_embed_start (ev_embed *w)
1168 CODE:
1169 START (embed, w);
1170
1171 void ev_embed_stop (ev_embed *w)
1172 CODE:
1173 STOP (embed, w);
1174
1175 void DESTROY (ev_embed *w)
1176 CODE:
1177 STOP (embed, w);
1178 e_destroy (w);
1179
1180 void set (ev_embed *w, struct ev_loop *loop)
1181 CODE:
1182 {
1183 sv_setsv (w->fh, ST (1));
1184 RESET (embed, w, (w, loop));
1185 }
1186
1187 SV *other (ev_embed *w)
1188 CODE:
1189 RETVAL = newSVsv (w->fh);
1190 OUTPUT:
1191 RETVAL
1192
1193 void ev_embed_sweep (ev_embed *w)
1194 C_ARGS: e_loop (w), w
1195
1196 MODULE = EV PACKAGE = EV::Async PREFIX = ev_async_
1197
1198 void ev_async_start (ev_async *w)
1199 CODE:
1200 START (async, w);
1201
1202 void ev_async_stop (ev_async *w)
1203 CODE:
1204 STOP (async, w);
1205
1206 void DESTROY (ev_async *w)
1207 CODE:
1208 STOP (async, w);
1209 e_destroy (w);
1210
1211 void ev_async_send (ev_async *w)
1212 C_ARGS: e_loop (w), w
1213
1214 SV *ev_async_async_pending (ev_async *w)
1215 CODE:
1216 RETVAL = boolSV (ev_async_pending (w));
1217 OUTPUT:
1218 RETVAL
1219
1220 MODULE = EV PACKAGE = EV::Loop PREFIX = ev_
1221
1222 SV *new (SV *klass, unsigned int flags = 0)
1223 CODE:
1224 {
1225 struct ev_loop *loop = ev_loop_new (flags);
1226
1227 if (!loop)
1228 XSRETURN_UNDEF;
1229
1230 RETVAL = sv_bless (newRV_noinc (newSViv (PTR2IV (loop))), stash_loop);
1231 }
1232 OUTPUT:
1233 RETVAL
1234
1235 void DESTROY (struct ev_loop *loop)
1236 CODE:
1237 if (loop != evapi.default_loop) /* global destruction sucks */
1238 ev_loop_destroy (loop);
1239
1240 void ev_loop_fork (struct ev_loop *loop)
1241
1242 void ev_loop_verify (struct ev_loop *loop)
1243
1244 NV ev_now (struct ev_loop *loop)
1245
1246 void ev_now_update (struct ev_loop *loop)
1247
1248 void ev_suspend (struct ev_loop *loop)
1249
1250 void ev_resume (struct ev_loop *loop)
1251
1252 void ev_set_io_collect_interval (struct ev_loop *loop, NV interval)
1253
1254 void ev_set_timeout_collect_interval (struct ev_loop *loop, NV interval)
1255
1256 unsigned int ev_backend (struct ev_loop *loop)
1257
1258 unsigned int ev_loop_count (struct ev_loop *loop)
1259
1260 unsigned int ev_loop_depth (struct ev_loop *loop)
1261
1262 void ev_loop (struct ev_loop *loop, int flags = 0)
1263
1264 void ev_unloop (struct ev_loop *loop, int how = 1)
1265
1266 void ev_feed_fd_event (struct ev_loop *loop, int fd, int revents = EV_NONE)
1267
1268 unsigned int ev_pending_count (struct ev_loop *loop)
1269
1270 void ev_invoke_pending (struct ev_loop *loop)
1271
1272 #if 0
1273
1274 void ev_feed_signal_event (struct ev_loop *loop, SV *signal)
1275 CODE:
1276 {
1277 Signal signum = s_signum (signal);
1278 CHECK_SIG (signal, signum);
1279
1280 ev_feed_signal_event (loop, signum);
1281 }
1282
1283 #endif
1284
1285 ev_io *io (struct ev_loop *loop, SV *fh, int events, SV *cb)
1286 ALIAS:
1287 io_ns = 1
1288 CODE:
1289 {
1290 int fd = s_fileno (fh, events & EV_WRITE);
1291 CHECK_FD (fh, fd);
1292
1293 RETVAL = e_new (sizeof (ev_io), cb, ST (0));
1294 RETVAL->fh = newSVsv (fh);
1295 ev_io_set (RETVAL, fd, events);
1296 if (!ix) START (io, RETVAL);
1297 }
1298 OUTPUT:
1299 RETVAL
1300
1301 ev_timer *timer (struct ev_loop *loop, NV after, NV repeat, SV *cb)
1302 ALIAS:
1303 timer_ns = 1
1304 INIT:
1305 CHECK_REPEAT (repeat);
1306 CODE:
1307 RETVAL = e_new (sizeof (ev_timer), cb, ST (0));
1308 ev_timer_set (RETVAL, after, repeat);
1309 if (!ix) START (timer, RETVAL);
1310 OUTPUT:
1311 RETVAL
1312
1313 SV *periodic (struct ev_loop *loop, NV at, NV interval, SV *reschedule_cb, SV *cb)
1314 ALIAS:
1315 periodic_ns = 1
1316 INIT:
1317 CHECK_REPEAT (interval);
1318 CODE:
1319 {
1320 ev_periodic *w;
1321 w = e_new (sizeof (ev_periodic), cb, ST (0));
1322 w->fh = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
1323 ev_periodic_set (w, at, interval, w->fh ? e_periodic_cb : 0);
1324 RETVAL = e_bless ((ev_watcher *)w, stash_periodic);
1325 if (!ix) START (periodic, w);
1326 }
1327 OUTPUT:
1328 RETVAL
1329
1330 ev_signal *signal (struct ev_loop *loop, SV *signal, SV *cb)
1331 ALIAS:
1332 signal_ns = 1
1333 CODE:
1334 {
1335 Signal signum = s_signum (signal);
1336 CHECK_SIG (signal, signum);
1337
1338 RETVAL = e_new (sizeof (ev_signal), cb, ST (0));
1339 ev_signal_set (RETVAL, signum);
1340 if (!ix) START (signal, RETVAL);
1341 }
1342 OUTPUT:
1343 RETVAL
1344
1345 ev_idle *idle (struct ev_loop *loop, SV *cb)
1346 ALIAS:
1347 idle_ns = 1
1348 CODE:
1349 RETVAL = e_new (sizeof (ev_idle), cb, ST (0));
1350 ev_idle_set (RETVAL);
1351 if (!ix) START (idle, RETVAL);
1352 OUTPUT:
1353 RETVAL
1354
1355 ev_prepare *prepare (struct ev_loop *loop, SV *cb)
1356 ALIAS:
1357 prepare_ns = 1
1358 CODE:
1359 RETVAL = e_new (sizeof (ev_prepare), cb, ST (0));
1360 ev_prepare_set (RETVAL);
1361 if (!ix) START (prepare, RETVAL);
1362 OUTPUT:
1363 RETVAL
1364
1365 ev_check *check (struct ev_loop *loop, SV *cb)
1366 ALIAS:
1367 check_ns = 1
1368 CODE:
1369 RETVAL = e_new (sizeof (ev_check), cb, ST (0));
1370 ev_check_set (RETVAL);
1371 if (!ix) START (check, RETVAL);
1372 OUTPUT:
1373 RETVAL
1374
1375 ev_fork *fork (struct ev_loop *loop, SV *cb)
1376 ALIAS:
1377 fork_ns = 1
1378 CODE:
1379 RETVAL = e_new (sizeof (ev_fork), cb, ST (0));
1380 ev_fork_set (RETVAL);
1381 if (!ix) START (fork, RETVAL);
1382 OUTPUT:
1383 RETVAL
1384
1385 ev_child *child (struct ev_loop *loop, int pid, int trace, SV *cb)
1386 ALIAS:
1387 child_ns = 1
1388 CODE:
1389 RETVAL = e_new (sizeof (ev_child), cb, ST (0));
1390 ev_child_set (RETVAL, pid, trace);
1391 if (!ix) START (child, RETVAL);
1392 OUTPUT:
1393 RETVAL
1394
1395 ev_stat *stat (struct ev_loop *loop, SV *path, NV interval, SV *cb)
1396 ALIAS:
1397 stat_ns = 1
1398 CODE:
1399 RETVAL = e_new (sizeof (ev_stat), cb, ST (0));
1400 RETVAL->fh = newSVsv (path);
1401 ev_stat_set (RETVAL, SvPVbyte_nolen (RETVAL->fh), interval);
1402 if (!ix) START (stat, RETVAL);
1403 OUTPUT:
1404 RETVAL
1405
1406 ev_embed *embed (struct ev_loop *loop, struct ev_loop *other, SV *cb = 0)
1407 ALIAS:
1408 embed_ns = 1
1409 CODE:
1410 {
1411 if (!(ev_backend (other) & ev_embeddable_backends ()))
1412 croak ("passed loop is not embeddable via EV::embed,");
1413
1414 RETVAL = e_new (sizeof (ev_embed), cb, ST (0));
1415 RETVAL->fh = newSVsv (ST (1));
1416 ev_embed_set (RETVAL, other);
1417 if (!ix) START (embed, RETVAL);
1418 }
1419 OUTPUT:
1420 RETVAL
1421
1422 ev_async *async (struct ev_loop *loop, SV *cb)
1423 ALIAS:
1424 async_ns = 1
1425 CODE:
1426 RETVAL = e_new (sizeof (ev_async), cb, ST (0));
1427 ev_async_set (RETVAL);
1428 if (!ix) START (async, RETVAL);
1429 OUTPUT:
1430 RETVAL
1431
1432 void once (struct ev_loop *loop, SV *fh, int events, SV *timeout, SV *cb)
1433 CODE:
1434 ev_once (
1435 loop,
1436 s_fileno (fh, events & EV_WRITE), events,
1437 SvOK (timeout) ? SvNV (timeout) : -1.,
1438 e_once_cb,
1439 newSVsv (cb)
1440 );
1441