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/cvs/EV/EV.xs
Revision: 1.128
Committed: Tue Jul 14 20:31:21 2009 UTC (14 years, 10 months ago) by root
Branch: MAIN
Changes since 1.127: +1 -0 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.periodic_start = ev_periodic_start;
435 evapi.periodic_stop = ev_periodic_stop;
436 evapi.signal_start = ev_signal_start;
437 evapi.signal_stop = ev_signal_stop;
438 evapi.idle_start = ev_idle_start;
439 evapi.idle_stop = ev_idle_stop;
440 evapi.prepare_start = ev_prepare_start;
441 evapi.prepare_stop = ev_prepare_stop;
442 evapi.check_start = ev_check_start;
443 evapi.check_stop = ev_check_stop;
444 evapi.child_start = ev_child_start;
445 evapi.child_stop = ev_child_stop;
446 evapi.stat_start = ev_stat_start;
447 evapi.stat_stop = ev_stat_stop;
448 evapi.stat_stat = ev_stat_stat;
449 evapi.embed_start = ev_embed_start;
450 evapi.embed_stop = ev_embed_stop;
451 evapi.embed_sweep = ev_embed_sweep;
452 evapi.fork_start = ev_fork_start;
453 evapi.fork_stop = ev_fork_stop;
454 evapi.async_start = ev_async_start;
455 evapi.async_stop = ev_async_stop;
456 evapi.async_send = ev_async_send;
457 evapi.clear_pending = ev_clear_pending;
458 evapi.invoke = ev_invoke;
459
460 sv_setiv (sv, (IV)&evapi);
461 SvREADONLY_on (sv);
462 }
463 #ifndef _WIN32
464 pthread_atfork (0, 0, ev_default_fork);
465 #endif
466 }
467
468 SV *ev_default_loop (unsigned int flags = 0)
469 CODE:
470 {
471 if (!default_loop_sv)
472 {
473 evapi.default_loop = ev_default_loop (flags);
474
475 if (!evapi.default_loop)
476 XSRETURN_UNDEF;
477
478 default_loop_sv = sv_bless (newRV_noinc (newSViv (PTR2IV (evapi.default_loop))), stash_loop);
479 }
480
481 RETVAL = newSVsv (default_loop_sv);
482 }
483 OUTPUT:
484 RETVAL
485
486 void ev_default_destroy ()
487 CODE:
488 ev_default_destroy ();
489 SvREFCNT_dec (default_loop_sv);
490 default_loop_sv = 0;
491
492 unsigned int ev_supported_backends ()
493
494 unsigned int ev_recommended_backends ()
495
496 unsigned int ev_embeddable_backends ()
497
498 void ev_sleep (NV interval)
499
500 NV ev_time ()
501
502 NV ev_now ()
503 C_ARGS: evapi.default_loop
504
505 void ev_now_update ()
506 C_ARGS: evapi.default_loop
507
508 void ev_suspend ()
509 C_ARGS: evapi.default_loop
510
511 void ev_resume ()
512 C_ARGS: evapi.default_loop
513
514 unsigned int ev_backend ()
515 C_ARGS: evapi.default_loop
516
517 void ev_loop_verify ()
518 C_ARGS: evapi.default_loop
519
520 unsigned int ev_loop_count ()
521 C_ARGS: evapi.default_loop
522
523 unsigned int ev_loop_depth ()
524 C_ARGS: evapi.default_loop
525
526 void ev_set_io_collect_interval (NV interval)
527 C_ARGS: evapi.default_loop, interval
528
529 void ev_set_timeout_collect_interval (NV interval)
530 C_ARGS: evapi.default_loop, interval
531
532 void ev_loop (int flags = 0)
533 C_ARGS: evapi.default_loop, flags
534
535 void ev_unloop (int how = EVUNLOOP_ONE)
536 C_ARGS: evapi.default_loop, how
537
538 void ev_feed_fd_event (int fd, int revents = EV_NONE)
539 C_ARGS: evapi.default_loop, fd, revents
540
541 void ev_feed_signal_event (SV *signal)
542 CODE:
543 {
544 Signal signum = s_signum (signal);
545 CHECK_SIG (signal, signum);
546
547 ev_feed_signal_event (evapi.default_loop, signum);
548 }
549
550 ev_io *io (SV *fh, int events, SV *cb)
551 ALIAS:
552 io_ns = 1
553 CODE:
554 {
555 int fd = s_fileno (fh, events & EV_WRITE);
556 CHECK_FD (fh, fd);
557
558 RETVAL = e_new (sizeof (ev_io), cb, default_loop_sv);
559 RETVAL->fh = newSVsv (fh);
560 ev_io_set (RETVAL, fd, events);
561 if (!ix) START (io, RETVAL);
562 }
563 OUTPUT:
564 RETVAL
565
566 ev_timer *timer (NV after, NV repeat, SV *cb)
567 ALIAS:
568 timer_ns = 1
569 INIT:
570 CHECK_REPEAT (repeat);
571 CODE:
572 RETVAL = e_new (sizeof (ev_timer), cb, default_loop_sv);
573 ev_timer_set (RETVAL, after, repeat);
574 if (!ix) START (timer, RETVAL);
575 OUTPUT:
576 RETVAL
577
578 SV *periodic (NV at, NV interval, SV *reschedule_cb, SV *cb)
579 ALIAS:
580 periodic_ns = 1
581 INIT:
582 CHECK_REPEAT (interval);
583 CODE:
584 {
585 ev_periodic *w;
586 w = e_new (sizeof (ev_periodic), cb, default_loop_sv);
587 w->fh = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
588 ev_periodic_set (w, at, interval, w->fh ? e_periodic_cb : 0);
589 RETVAL = e_bless ((ev_watcher *)w, stash_periodic);
590 if (!ix) START (periodic, w);
591 }
592 OUTPUT:
593 RETVAL
594
595 ev_signal *signal (SV *signal, SV *cb)
596 ALIAS:
597 signal_ns = 1
598 CODE:
599 {
600 Signal signum = s_signum (signal);
601 CHECK_SIG (signal, signum);
602
603 RETVAL = e_new (sizeof (ev_signal), cb, default_loop_sv);
604 ev_signal_set (RETVAL, signum);
605 if (!ix) START (signal, RETVAL);
606 }
607 OUTPUT:
608 RETVAL
609
610 ev_idle *idle (SV *cb)
611 ALIAS:
612 idle_ns = 1
613 CODE:
614 RETVAL = e_new (sizeof (ev_idle), cb, default_loop_sv);
615 ev_idle_set (RETVAL);
616 if (!ix) START (idle, RETVAL);
617 OUTPUT:
618 RETVAL
619
620 ev_prepare *prepare (SV *cb)
621 ALIAS:
622 prepare_ns = 1
623 CODE:
624 RETVAL = e_new (sizeof (ev_prepare), cb, default_loop_sv);
625 ev_prepare_set (RETVAL);
626 if (!ix) START (prepare, RETVAL);
627 OUTPUT:
628 RETVAL
629
630 ev_check *check (SV *cb)
631 ALIAS:
632 check_ns = 1
633 CODE:
634 RETVAL = e_new (sizeof (ev_check), cb, default_loop_sv);
635 ev_check_set (RETVAL);
636 if (!ix) START (check, RETVAL);
637 OUTPUT:
638 RETVAL
639
640 ev_fork *fork (SV *cb)
641 ALIAS:
642 fork_ns = 1
643 CODE:
644 RETVAL = e_new (sizeof (ev_fork), cb, default_loop_sv);
645 ev_fork_set (RETVAL);
646 if (!ix) START (fork, RETVAL);
647 OUTPUT:
648 RETVAL
649
650 ev_child *child (int pid, int trace, SV *cb)
651 ALIAS:
652 child_ns = 1
653 CODE:
654 RETVAL = e_new (sizeof (ev_child), cb, default_loop_sv);
655 ev_child_set (RETVAL, pid, trace);
656 if (!ix) START (child, RETVAL);
657 OUTPUT:
658 RETVAL
659
660 ev_stat *stat (SV *path, NV interval, SV *cb)
661 ALIAS:
662 stat_ns = 1
663 CODE:
664 RETVAL = e_new (sizeof (ev_stat), cb, default_loop_sv);
665 RETVAL->fh = newSVsv (path);
666 ev_stat_set (RETVAL, SvPVbyte_nolen (RETVAL->fh), interval);
667 if (!ix) START (stat, RETVAL);
668 OUTPUT:
669 RETVAL
670
671 ev_embed *embed (struct ev_loop *loop, SV *cb = 0)
672 ALIAS:
673 embed_ns = 1
674 CODE:
675 {
676 if (!(ev_backend (loop) & ev_embeddable_backends ()))
677 croak ("passed loop is not embeddable via EV::embed,");
678
679 RETVAL = e_new (sizeof (ev_embed), cb, default_loop_sv);
680 RETVAL->fh = newSVsv (ST (0));
681 ev_embed_set (RETVAL, loop);
682 if (!ix) START (embed, RETVAL);
683 }
684 OUTPUT:
685 RETVAL
686
687 ev_async *async (SV *cb)
688 ALIAS:
689 async_ns = 1
690 CODE:
691 RETVAL = e_new (sizeof (ev_async), cb, default_loop_sv);
692 ev_async_set (RETVAL);
693 if (!ix) START (async, RETVAL);
694 OUTPUT:
695 RETVAL
696
697 void once (SV *fh, int events, SV *timeout, SV *cb)
698 CODE:
699 ev_once (
700 evapi.default_loop,
701 s_fileno (fh, events & EV_WRITE), events,
702 SvOK (timeout) ? SvNV (timeout) : -1.,
703 e_once_cb,
704 newSVsv (cb)
705 );
706
707 PROTOTYPES: DISABLE
708
709 MODULE = EV PACKAGE = EV::Watcher PREFIX = ev_
710
711 int ev_is_active (ev_watcher *w)
712
713 int ev_is_pending (ev_watcher *w)
714
715 void ev_invoke (ev_watcher *w, int revents = EV_NONE)
716 C_ARGS: e_loop (w), w, revents
717
718 int ev_clear_pending (ev_watcher *w)
719 C_ARGS: e_loop (w), w
720
721 void ev_feed_event (ev_watcher *w, int revents = EV_NONE)
722 C_ARGS: e_loop (w), w, revents
723
724 int keepalive (ev_watcher *w, int new_value = 0)
725 CODE:
726 {
727 RETVAL = w->e_flags & WFLAG_KEEPALIVE;
728 new_value = new_value ? WFLAG_KEEPALIVE : 0;
729
730 if (items > 1 && ((new_value ^ w->e_flags) & WFLAG_KEEPALIVE))
731 {
732 w->e_flags = (w->e_flags & ~WFLAG_KEEPALIVE) | new_value;
733 REF (w);
734 UNREF (w);
735 }
736 }
737 OUTPUT:
738 RETVAL
739
740 SV *cb (ev_watcher *w, SV *new_cb = 0)
741 CODE:
742 {
743 if (items > 1)
744 {
745 new_cb = s_get_cv_croak (new_cb);
746 RETVAL = newRV_noinc (w->cb_sv);
747 w->cb_sv = SvREFCNT_inc (new_cb);
748 }
749 else
750 RETVAL = newRV_inc (w->cb_sv);
751 }
752 OUTPUT:
753 RETVAL
754
755 SV *data (ev_watcher *w, SV *new_data = 0)
756 CODE:
757 {
758 RETVAL = w->data ? newSVsv (w->data) : &PL_sv_undef;
759
760 if (items > 1)
761 {
762 SvREFCNT_dec (w->data);
763 w->data = newSVsv (new_data);
764 }
765 }
766 OUTPUT:
767 RETVAL
768
769 SV *loop (ev_watcher *w)
770 CODE:
771 RETVAL = newRV_inc (w->loop);
772 OUTPUT:
773 RETVAL
774
775 int priority (ev_watcher *w, int new_priority = 0)
776 CODE:
777 {
778 RETVAL = w->priority;
779
780 if (items > 1)
781 {
782 int active = ev_is_active (w);
783
784 if (active)
785 {
786 /* grrr. */
787 PUSHMARK (SP);
788 XPUSHs (ST (0));
789 PUTBACK;
790 call_method ("stop", G_DISCARD | G_VOID);
791 }
792
793 ev_set_priority (w, new_priority);
794
795 if (active)
796 {
797 PUSHMARK (SP);
798 XPUSHs (ST (0));
799 PUTBACK;
800 call_method ("start", G_DISCARD | G_VOID);
801 }
802 }
803 }
804 OUTPUT:
805 RETVAL
806
807 MODULE = EV PACKAGE = EV::IO PREFIX = ev_io_
808
809 void ev_io_start (ev_io *w)
810 CODE:
811 START (io, w);
812
813 void ev_io_stop (ev_io *w)
814 CODE:
815 STOP (io, w);
816
817 void DESTROY (ev_io *w)
818 CODE:
819 STOP (io, w);
820 e_destroy (w);
821
822 void set (ev_io *w, SV *fh, int events)
823 CODE:
824 {
825 int fd = s_fileno (fh, events & EV_WRITE);
826 CHECK_FD (fh, fd);
827
828 sv_setsv (w->fh, fh);
829 RESET (io, w, (w, fd, events));
830 }
831
832 SV *fh (ev_io *w, SV *new_fh = 0)
833 CODE:
834 {
835 if (items > 1)
836 {
837 int fd = s_fileno (new_fh, w->events & EV_WRITE);
838 CHECK_FD (new_fh, fd);
839
840 RETVAL = w->fh;
841 w->fh = newSVsv (new_fh);
842
843 RESET (io, w, (w, fd, w->events));
844 }
845 else
846 RETVAL = newSVsv (w->fh);
847 }
848 OUTPUT:
849 RETVAL
850
851 int events (ev_io *w, int new_events = EV_UNDEF)
852 CODE:
853 {
854 RETVAL = w->events;
855
856 if (items > 1)
857 RESET (io, w, (w, w->fd, new_events));
858 }
859 OUTPUT:
860 RETVAL
861
862 MODULE = EV PACKAGE = EV::Signal PREFIX = ev_signal_
863
864 void ev_signal_start (ev_signal *w)
865 CODE:
866 START (signal, w);
867
868 void ev_signal_stop (ev_signal *w)
869 CODE:
870 STOP (signal, w);
871
872 void DESTROY (ev_signal *w)
873 CODE:
874 STOP (signal, w);
875 e_destroy (w);
876
877 void set (ev_signal *w, SV *signal)
878 CODE:
879 {
880 Signal signum = s_signum (signal);
881 CHECK_SIG (signal, signum);
882
883 RESET (signal, w, (w, signum));
884 }
885
886 int signal (ev_signal *w, SV *new_signal = 0)
887 CODE:
888 {
889 RETVAL = w->signum;
890
891 if (items > 1)
892 {
893 Signal signum = s_signum (new_signal);
894 CHECK_SIG (new_signal, signum);
895
896 RESET (signal, w, (w, signum));
897 }
898 }
899 OUTPUT:
900 RETVAL
901
902 MODULE = EV PACKAGE = EV::Timer PREFIX = ev_timer_
903
904 void ev_timer_start (ev_timer *w)
905 INIT:
906 CHECK_REPEAT (w->repeat);
907 CODE:
908 START (timer, w);
909
910 void ev_timer_stop (ev_timer *w)
911 CODE:
912 STOP (timer, w);
913
914 void ev_timer_again (ev_timer *w)
915 INIT:
916 CHECK_REPEAT (w->repeat);
917 CODE:
918 ev_timer_again (e_loop (w), w);
919 UNREF (w);
920
921 void DESTROY (ev_timer *w)
922 CODE:
923 STOP (timer, w);
924 e_destroy (w);
925
926 void set (ev_timer *w, NV after, NV repeat = 0.)
927 INIT:
928 CHECK_REPEAT (repeat);
929 CODE:
930 RESET (timer, w, (w, after, repeat));
931
932 MODULE = EV PACKAGE = EV::Periodic PREFIX = ev_periodic_
933
934 void ev_periodic_start (ev_periodic *w)
935 INIT:
936 CHECK_REPEAT (w->interval);
937 CODE:
938 START (periodic, w);
939
940 void ev_periodic_stop (ev_periodic *w)
941 CODE:
942 STOP (periodic, w);
943
944 void ev_periodic_again (ev_periodic *w)
945 CODE:
946 ev_periodic_again (e_loop (w), w);
947 UNREF (w);
948
949 void DESTROY (ev_periodic *w)
950 CODE:
951 STOP (periodic, w);
952 e_destroy (w);
953
954 void set (ev_periodic *w, NV at, NV interval = 0., SV *reschedule_cb = &PL_sv_undef)
955 INIT:
956 CHECK_REPEAT (interval);
957 CODE:
958 {
959 SvREFCNT_dec (w->fh);
960 w->fh = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
961
962 RESET (periodic, w, (w, at, interval, w->fh ? e_periodic_cb : 0));
963 }
964
965 NV at (ev_periodic *w)
966 CODE:
967 RETVAL = ev_periodic_at (w);
968 OUTPUT:
969 RETVAL
970
971 MODULE = EV PACKAGE = EV::Idle PREFIX = ev_idle_
972
973 void ev_idle_start (ev_idle *w)
974 CODE:
975 START (idle, w);
976
977 void ev_idle_stop (ev_idle *w)
978 CODE:
979 STOP (idle, w);
980
981 void DESTROY (ev_idle *w)
982 CODE:
983 STOP (idle, w);
984 e_destroy (w);
985
986 MODULE = EV PACKAGE = EV::Prepare PREFIX = ev_prepare_
987
988 void ev_prepare_start (ev_prepare *w)
989 CODE:
990 START (prepare, w);
991
992 void ev_prepare_stop (ev_prepare *w)
993 CODE:
994 STOP (prepare, w);
995
996 void DESTROY (ev_prepare *w)
997 CODE:
998 STOP (prepare, w);
999 e_destroy (w);
1000
1001 MODULE = EV PACKAGE = EV::Check PREFIX = ev_check_
1002
1003 void ev_check_start (ev_check *w)
1004 CODE:
1005 START (check, w);
1006
1007 void ev_check_stop (ev_check *w)
1008 CODE:
1009 STOP (check, w);
1010
1011 void DESTROY (ev_check *w)
1012 CODE:
1013 STOP (check, w);
1014 e_destroy (w);
1015
1016 MODULE = EV PACKAGE = EV::Fork PREFIX = ev_fork_
1017
1018 void ev_fork_start (ev_fork *w)
1019 CODE:
1020 START (fork, w);
1021
1022 void ev_fork_stop (ev_fork *w)
1023 CODE:
1024 STOP (fork, w);
1025
1026 void DESTROY (ev_fork *w)
1027 CODE:
1028 STOP (fork, w);
1029 e_destroy (w);
1030
1031 MODULE = EV PACKAGE = EV::Child PREFIX = ev_child_
1032
1033 void ev_child_start (ev_child *w)
1034 CODE:
1035 START (child, w);
1036
1037 void ev_child_stop (ev_child *w)
1038 CODE:
1039 STOP (child, w);
1040
1041 void DESTROY (ev_child *w)
1042 CODE:
1043 STOP (child, w);
1044 e_destroy (w);
1045
1046 void set (ev_child *w, int pid, int trace)
1047 CODE:
1048 RESET (child, w, (w, pid, trace));
1049
1050 int pid (ev_child *w)
1051 ALIAS:
1052 rpid = 1
1053 rstatus = 2
1054 CODE:
1055 RETVAL = ix == 0 ? w->pid
1056 : ix == 1 ? w->rpid
1057 : w->rstatus;
1058 OUTPUT:
1059 RETVAL
1060
1061 MODULE = EV PACKAGE = EV::Stat PREFIX = ev_stat_
1062
1063 void ev_stat_start (ev_stat *w)
1064 CODE:
1065 START (stat, w);
1066
1067 void ev_stat_stop (ev_stat *w)
1068 CODE:
1069 STOP (stat, w);
1070
1071 void DESTROY (ev_stat *w)
1072 CODE:
1073 STOP (stat, w);
1074 e_destroy (w);
1075
1076 void set (ev_stat *w, SV *path, NV interval)
1077 CODE:
1078 {
1079 sv_setsv (w->fh, path);
1080 RESET (stat, w, (w, SvPVbyte_nolen (w->fh), interval));
1081 }
1082
1083 SV *path (ev_stat *w, SV *new_path = 0)
1084 CODE:
1085 {
1086 RETVAL = SvREFCNT_inc (w->fh);
1087
1088 if (items > 1)
1089 {
1090 SvREFCNT_dec (w->fh);
1091 w->fh = newSVsv (new_path);
1092 RESET (stat, w, (w, SvPVbyte_nolen (w->fh), w->interval));
1093 }
1094 }
1095 OUTPUT:
1096 RETVAL
1097
1098 NV interval (ev_stat *w, NV new_interval = 0.)
1099 CODE:
1100 {
1101 RETVAL = w->interval;
1102
1103 if (items > 1)
1104 RESET (stat, w, (w, SvPVbyte_nolen (w->fh), new_interval));
1105 }
1106 OUTPUT:
1107 RETVAL
1108
1109 void prev (ev_stat *w)
1110 ALIAS:
1111 stat = 1
1112 attr = 2
1113 PPCODE:
1114 {
1115 ev_statdata *s = ix ? &w->attr : &w->prev;
1116
1117 if (ix == 1)
1118 ev_stat_stat (e_loop (w), w);
1119 else if (!s->st_nlink)
1120 errno = ENOENT;
1121
1122 PL_statcache.st_dev = s->st_nlink;
1123 PL_statcache.st_ino = s->st_ino;
1124 PL_statcache.st_mode = s->st_mode;
1125 PL_statcache.st_nlink = s->st_nlink;
1126 PL_statcache.st_uid = s->st_uid;
1127 PL_statcache.st_gid = s->st_gid;
1128 PL_statcache.st_rdev = s->st_rdev;
1129 PL_statcache.st_size = s->st_size;
1130 PL_statcache.st_atime = s->st_atime;
1131 PL_statcache.st_mtime = s->st_mtime;
1132 PL_statcache.st_ctime = s->st_ctime;
1133
1134 if (GIMME_V == G_SCALAR)
1135 XPUSHs (boolSV (s->st_nlink));
1136 else if (GIMME_V == G_ARRAY && s->st_nlink)
1137 {
1138 EXTEND (SP, 13);
1139 PUSHs (sv_2mortal (newSViv (s->st_dev)));
1140 PUSHs (sv_2mortal (newSViv (s->st_ino)));
1141 PUSHs (sv_2mortal (newSVuv (s->st_mode)));
1142 PUSHs (sv_2mortal (newSVuv (s->st_nlink)));
1143 PUSHs (sv_2mortal (newSViv (s->st_uid)));
1144 PUSHs (sv_2mortal (newSViv (s->st_gid)));
1145 PUSHs (sv_2mortal (newSViv (s->st_rdev)));
1146 PUSHs (sv_2mortal (newSVnv ((NV)s->st_size)));
1147 PUSHs (sv_2mortal (newSVnv (s->st_atime)));
1148 PUSHs (sv_2mortal (newSVnv (s->st_mtime)));
1149 PUSHs (sv_2mortal (newSVnv (s->st_ctime)));
1150 PUSHs (sv_2mortal (newSVuv (4096)));
1151 PUSHs (sv_2mortal (newSVnv ((NV)((s->st_size + 4095) / 4096))));
1152 }
1153 }
1154
1155 MODULE = EV PACKAGE = EV::Embed PREFIX = ev_embed_
1156
1157 void ev_embed_start (ev_embed *w)
1158 CODE:
1159 START (embed, w);
1160
1161 void ev_embed_stop (ev_embed *w)
1162 CODE:
1163 STOP (embed, w);
1164
1165 void DESTROY (ev_embed *w)
1166 CODE:
1167 STOP (embed, w);
1168 e_destroy (w);
1169
1170 void set (ev_embed *w, struct ev_loop *loop)
1171 CODE:
1172 {
1173 sv_setsv (w->fh, ST (1));
1174 RESET (embed, w, (w, loop));
1175 }
1176
1177 SV *other (ev_embed *w)
1178 CODE:
1179 RETVAL = newSVsv (w->fh);
1180 OUTPUT:
1181 RETVAL
1182
1183 void ev_embed_sweep (ev_embed *w)
1184 C_ARGS: e_loop (w), w
1185
1186 MODULE = EV PACKAGE = EV::Async PREFIX = ev_async_
1187
1188 void ev_async_start (ev_async *w)
1189 CODE:
1190 START (async, w);
1191
1192 void ev_async_stop (ev_async *w)
1193 CODE:
1194 STOP (async, w);
1195
1196 void DESTROY (ev_async *w)
1197 CODE:
1198 STOP (async, w);
1199 e_destroy (w);
1200
1201 void ev_async_send (ev_async *w)
1202 C_ARGS: e_loop (w), w
1203
1204 SV *ev_async_async_pending (ev_async *w)
1205 CODE:
1206 RETVAL = boolSV (ev_async_pending (w));
1207 OUTPUT:
1208 RETVAL
1209
1210 MODULE = EV PACKAGE = EV::Loop PREFIX = ev_
1211
1212 SV *new (SV *klass, unsigned int flags = 0)
1213 CODE:
1214 {
1215 struct ev_loop *loop = ev_loop_new (flags);
1216
1217 if (!loop)
1218 XSRETURN_UNDEF;
1219
1220 RETVAL = sv_bless (newRV_noinc (newSViv (PTR2IV (loop))), stash_loop);
1221 }
1222 OUTPUT:
1223 RETVAL
1224
1225 void DESTROY (struct ev_loop *loop)
1226 CODE:
1227 if (loop != evapi.default_loop) /* global destruction sucks */
1228 ev_loop_destroy (loop);
1229
1230 void ev_loop_fork (struct ev_loop *loop)
1231
1232 void ev_loop_verify (struct ev_loop *loop)
1233
1234 NV ev_now (struct ev_loop *loop)
1235
1236 void ev_now_update (struct ev_loop *loop)
1237
1238 void ev_suspend (struct ev_loop *loop)
1239
1240 void ev_resume (struct ev_loop *loop)
1241
1242 void ev_set_io_collect_interval (struct ev_loop *loop, NV interval)
1243
1244 void ev_set_timeout_collect_interval (struct ev_loop *loop, NV interval)
1245
1246 unsigned int ev_backend (struct ev_loop *loop)
1247
1248 unsigned int ev_loop_count (struct ev_loop *loop)
1249
1250 unsigned int ev_loop_depth (struct ev_loop *loop)
1251
1252 void ev_loop (struct ev_loop *loop, int flags = 0)
1253
1254 void ev_unloop (struct ev_loop *loop, int how = 1)
1255
1256 void ev_feed_fd_event (struct ev_loop *loop, int fd, int revents = EV_NONE)
1257
1258 #if 0
1259
1260 void ev_feed_signal_event (struct ev_loop *loop, SV *signal)
1261 CODE:
1262 {
1263 Signal signum = s_signum (signal);
1264 CHECK_SIG (signal, signum);
1265
1266 ev_feed_signal_event (loop, signum);
1267 }
1268
1269 #endif
1270
1271 ev_io *io (struct ev_loop *loop, SV *fh, int events, SV *cb)
1272 ALIAS:
1273 io_ns = 1
1274 CODE:
1275 {
1276 int fd = s_fileno (fh, events & EV_WRITE);
1277 CHECK_FD (fh, fd);
1278
1279 RETVAL = e_new (sizeof (ev_io), cb, ST (0));
1280 RETVAL->fh = newSVsv (fh);
1281 ev_io_set (RETVAL, fd, events);
1282 if (!ix) START (io, RETVAL);
1283 }
1284 OUTPUT:
1285 RETVAL
1286
1287 ev_timer *timer (struct ev_loop *loop, NV after, NV repeat, SV *cb)
1288 ALIAS:
1289 timer_ns = 1
1290 INIT:
1291 CHECK_REPEAT (repeat);
1292 CODE:
1293 RETVAL = e_new (sizeof (ev_timer), cb, ST (0));
1294 ev_timer_set (RETVAL, after, repeat);
1295 if (!ix) START (timer, RETVAL);
1296 OUTPUT:
1297 RETVAL
1298
1299 SV *periodic (struct ev_loop *loop, NV at, NV interval, SV *reschedule_cb, SV *cb)
1300 ALIAS:
1301 periodic_ns = 1
1302 INIT:
1303 CHECK_REPEAT (interval);
1304 CODE:
1305 {
1306 ev_periodic *w;
1307 w = e_new (sizeof (ev_periodic), cb, ST (0));
1308 w->fh = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
1309 ev_periodic_set (w, at, interval, w->fh ? e_periodic_cb : 0);
1310 RETVAL = e_bless ((ev_watcher *)w, stash_periodic);
1311 if (!ix) START (periodic, w);
1312 }
1313 OUTPUT:
1314 RETVAL
1315
1316 #if 0
1317
1318 ev_signal *signal (struct ev_loop *loop, SV *signal, SV *cb)
1319 ALIAS:
1320 signal_ns = 1
1321 CODE:
1322 {
1323 Signal signum = s_signum (signal);
1324 CHECK_SIG (signal, signum);
1325
1326 RETVAL = e_new (sizeof (ev_signal), cb, ST (0));
1327 ev_signal_set (RETVAL, signum);
1328 if (!ix) START (signal, RETVAL);
1329 }
1330 OUTPUT:
1331 RETVAL
1332
1333 #endif
1334
1335 ev_idle *idle (struct ev_loop *loop, SV *cb)
1336 ALIAS:
1337 idle_ns = 1
1338 CODE:
1339 RETVAL = e_new (sizeof (ev_idle), cb, ST (0));
1340 ev_idle_set (RETVAL);
1341 if (!ix) START (idle, RETVAL);
1342 OUTPUT:
1343 RETVAL
1344
1345 ev_prepare *prepare (struct ev_loop *loop, SV *cb)
1346 ALIAS:
1347 prepare_ns = 1
1348 CODE:
1349 RETVAL = e_new (sizeof (ev_prepare), cb, ST (0));
1350 ev_prepare_set (RETVAL);
1351 if (!ix) START (prepare, RETVAL);
1352 OUTPUT:
1353 RETVAL
1354
1355 ev_check *check (struct ev_loop *loop, SV *cb)
1356 ALIAS:
1357 check_ns = 1
1358 CODE:
1359 RETVAL = e_new (sizeof (ev_check), cb, ST (0));
1360 ev_check_set (RETVAL);
1361 if (!ix) START (check, RETVAL);
1362 OUTPUT:
1363 RETVAL
1364
1365 ev_fork *fork (struct ev_loop *loop, SV *cb)
1366 ALIAS:
1367 fork_ns = 1
1368 CODE:
1369 RETVAL = e_new (sizeof (ev_fork), cb, ST (0));
1370 ev_fork_set (RETVAL);
1371 if (!ix) START (fork, RETVAL);
1372 OUTPUT:
1373 RETVAL
1374
1375 ev_child *child (struct ev_loop *loop, int pid, int trace, SV *cb)
1376 ALIAS:
1377 child_ns = 1
1378 CODE:
1379 RETVAL = e_new (sizeof (ev_child), cb, ST (0));
1380 ev_child_set (RETVAL, pid, trace);
1381 if (!ix) START (child, RETVAL);
1382 OUTPUT:
1383 RETVAL
1384
1385 ev_stat *stat (struct ev_loop *loop, SV *path, NV interval, SV *cb)
1386 ALIAS:
1387 stat_ns = 1
1388 CODE:
1389 RETVAL = e_new (sizeof (ev_stat), cb, ST (0));
1390 RETVAL->fh = newSVsv (path);
1391 ev_stat_set (RETVAL, SvPVbyte_nolen (RETVAL->fh), interval);
1392 if (!ix) START (stat, RETVAL);
1393 OUTPUT:
1394 RETVAL
1395
1396 ev_embed *embed (struct ev_loop *loop, struct ev_loop *other, SV *cb = 0)
1397 ALIAS:
1398 embed_ns = 1
1399 CODE:
1400 {
1401 if (!(ev_backend (other) & ev_embeddable_backends ()))
1402 croak ("passed loop is not embeddable via EV::embed,");
1403
1404 RETVAL = e_new (sizeof (ev_embed), cb, ST (0));
1405 RETVAL->fh = newSVsv (ST (1));
1406 ev_embed_set (RETVAL, other);
1407 if (!ix) START (embed, RETVAL);
1408 }
1409 OUTPUT:
1410 RETVAL
1411
1412 ev_async *async (struct ev_loop *loop, SV *cb)
1413 ALIAS:
1414 async_ns = 1
1415 CODE:
1416 RETVAL = e_new (sizeof (ev_async), cb, ST (0));
1417 ev_async_set (RETVAL);
1418 if (!ix) START (async, RETVAL);
1419 OUTPUT:
1420 RETVAL
1421
1422 void once (struct ev_loop *loop, SV *fh, int events, SV *timeout, SV *cb)
1423 CODE:
1424 ev_once (
1425 loop,
1426 s_fileno (fh, events & EV_WRITE), events,
1427 SvOK (timeout) ? SvNV (timeout) : -1.,
1428 e_once_cb,
1429 newSVsv (cb)
1430 );
1431