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/cvs/EV/EV.xs
Revision: 1.126
Committed: Tue Jul 14 00:09:59 2009 UTC (14 years, 10 months ago) by root
Branch: MAIN
Changes since 1.125: +23 -83 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 #define EV_PROTOTYPES 1
12 #define EV_USE_NANOSLEEP EV_USE_MONOTONIC
13 #define EV_H <ev.h>
14 #include "EV/EVAPI.h"
15
16 #define EV_SELECT_IS_WINSOCKET 0
17 #ifdef _WIN32
18 # define EV_SELECT_USE_FD_SET 0
19 # define NFDBITS PERL_NFDBITS
20 # define fd_mask Perl_fd_mask
21 #endif
22 /* due to bugs in OS X we have to use libev/ explicitly here */
23 #include "libev/ev.c"
24
25 #ifndef _WIN32
26 # include <pthread.h>
27 #endif
28
29 #define e_loop(w) INT2PTR (struct ev_loop *, SvIVX ((w)->loop))
30
31 #define WFLAG_KEEPALIVE 1
32 #define WFLAG_UNREFED 2 /* has been unref'ed */
33
34 #define UNREF(w) \
35 if (!((w)->e_flags & (WFLAG_KEEPALIVE | WFLAG_UNREFED)) \
36 && ev_is_active (w)) \
37 { \
38 ev_unref (e_loop (w)); \
39 (w)->e_flags |= WFLAG_UNREFED; \
40 }
41
42 #define REF(w) \
43 if ((w)->e_flags & WFLAG_UNREFED) \
44 { \
45 (w)->e_flags &= ~WFLAG_UNREFED; \
46 ev_ref (e_loop (w)); \
47 }
48
49 #define START(type,w) \
50 do { \
51 ev_ ## type ## _start (e_loop (w), w); \
52 UNREF (w); \
53 } while (0)
54
55 #define STOP(type,w) \
56 do { \
57 REF (w); \
58 ev_ ## type ## _stop (e_loop (w), w); \
59 } while (0)
60
61 #define RESET(type,w,seta) \
62 do { \
63 int active = ev_is_active (w); \
64 if (active) STOP (type, w); \
65 ev_ ## type ## _set seta; \
66 if (active) START (type, w); \
67 } while (0)
68
69 typedef int Signal;
70
71 static SV *default_loop_sv;
72
73 static struct EVAPI evapi;
74
75 static HV
76 *stash_loop,
77 *stash_watcher,
78 *stash_io,
79 *stash_timer,
80 *stash_periodic,
81 *stash_signal,
82 *stash_child,
83 *stash_stat,
84 *stash_idle,
85 *stash_prepare,
86 *stash_check,
87 *stash_embed,
88 *stash_fork,
89 *stash_async;
90
91 /////////////////////////////////////////////////////////////////////////////
92 // Event
93
94 static void e_cb (EV_P_ ev_watcher *w, int revents);
95
96 static void *
97 e_new (int size, SV *cb_sv, SV *loop)
98 {
99 SV *cv = cb_sv ? s_get_cv_croak (cb_sv) : 0;
100 ev_watcher *w;
101 SV *self = NEWSV (0, size);
102 SvPOK_only (self);
103 SvCUR_set (self, size);
104
105 w = (ev_watcher *)SvPVX (self);
106
107 ev_init (w, cv ? e_cb : 0);
108
109 w->loop = SvREFCNT_inc (SvRV (loop));
110 w->e_flags = WFLAG_KEEPALIVE;
111 w->data = 0;
112 w->fh = 0;
113 w->cb_sv = SvREFCNT_inc (cv);
114 w->self = self;
115
116 return (void *)w;
117 }
118
119 static void
120 e_destroy (void *w_)
121 {
122 ev_watcher *w = (ev_watcher *)w_;
123
124 SvREFCNT_dec (w->loop ); w->loop = 0;
125 SvREFCNT_dec (w->fh ); w->fh = 0;
126 SvREFCNT_dec (w->cb_sv); w->cb_sv = 0;
127 SvREFCNT_dec (w->data ); w->data = 0;
128 }
129
130 static SV *
131 e_bless (ev_watcher *w, HV *stash)
132 {
133 SV *rv;
134
135 if (SvOBJECT (w->self))
136 rv = newRV_inc (w->self);
137 else
138 {
139 rv = newRV_noinc (w->self);
140 sv_bless (rv, stash);
141 SvREADONLY_on (w->self);
142 }
143
144 return rv;
145 }
146
147 static SV *sv_self_cache, *sv_events_cache;
148
149 static void
150 e_cb (EV_P_ ev_watcher *w, int revents)
151 {
152 dSP;
153 I32 mark = SP - PL_stack_base;
154 SV *sv_self, *sv_events;
155
156 /* libev might have stopped the watcher */
157 if (expect_false (w->e_flags & WFLAG_UNREFED)
158 && !ev_is_active (w))
159 REF (w);
160
161 if (expect_true (sv_self_cache))
162 {
163 sv_self = sv_self_cache; sv_self_cache = 0;
164 SvRV_set (sv_self, SvREFCNT_inc_NN (w->self));
165 }
166 else
167 {
168 sv_self = newRV_inc (w->self); /* w->self MUST be blessed by now */
169 SvREADONLY_on (sv_self);
170 }
171
172 if (expect_true (sv_events_cache))
173 {
174 sv_events = sv_events_cache; sv_events_cache = 0;
175 SvIV_set (sv_events, revents);
176 }
177 else
178 {
179 sv_events = newSViv (revents);
180 SvREADONLY_on (sv_events);
181 }
182
183 PUSHMARK (SP);
184 EXTEND (SP, 2);
185 PUSHs (sv_self);
186 PUSHs (sv_events);
187
188 PUTBACK;
189 call_sv (w->cb_sv, G_DISCARD | G_VOID | G_EVAL);
190
191 if (expect_false (SvREFCNT (sv_self) != 1 || sv_self_cache))
192 SvREFCNT_dec (sv_self);
193 else
194 {
195 SvREFCNT_dec (SvRV (sv_self));
196 SvRV_set (sv_self, &PL_sv_undef);
197 sv_self_cache = sv_self;
198 }
199
200 if (expect_false (SvREFCNT (sv_events) != 1 || sv_events_cache))
201 SvREFCNT_dec (sv_events);
202 else
203 sv_events_cache = sv_events;
204
205 if (expect_false (SvTRUE (ERRSV)))
206 {
207 SPAGAIN;
208 PUSHMARK (SP);
209 PUTBACK;
210 call_sv (get_sv ("EV::DIED", 1), G_DISCARD | G_VOID | G_EVAL | G_KEEPERR);
211 }
212
213 SP = PL_stack_base + mark;
214 PUTBACK;
215 }
216
217 static void
218 e_once_cb (int revents, void *arg)
219 {
220 dSP;
221 I32 mark = SP - PL_stack_base;
222 SV *sv_events;
223
224 if (sv_events_cache)
225 {
226 sv_events = sv_events_cache; sv_events_cache = 0;
227 SvIV_set (sv_events, revents);
228 }
229 else
230 sv_events = newSViv (revents);
231
232 PUSHMARK (SP);
233 XPUSHs (sv_events);
234
235 PUTBACK;
236 call_sv ((SV *)arg, G_DISCARD | G_VOID | G_EVAL);
237
238 SvREFCNT_dec ((SV *)arg);
239
240 if (sv_events_cache)
241 SvREFCNT_dec (sv_events);
242 else
243 sv_events_cache = sv_events;
244
245 if (SvTRUE (ERRSV))
246 {
247 SPAGAIN;
248 PUSHMARK (SP);
249 PUTBACK;
250 call_sv (get_sv ("EV::DIED", 1), G_DISCARD | G_VOID | G_EVAL | G_KEEPERR);
251 }
252
253 SP = PL_stack_base + mark;
254 PUTBACK;
255 }
256
257 static ev_tstamp
258 e_periodic_cb (ev_periodic *w, ev_tstamp now)
259 {
260 ev_tstamp retval;
261 int count;
262 dSP;
263
264 ENTER;
265 SAVETMPS;
266
267 PUSHMARK (SP);
268 EXTEND (SP, 2);
269 PUSHs (newRV_inc (w->self)); /* w->self MUST be blessed by now */
270 PUSHs (newSVnv (now));
271
272 PUTBACK;
273 count = call_sv (w->fh, G_SCALAR | G_EVAL);
274 SPAGAIN;
275
276 if (SvTRUE (ERRSV))
277 {
278 PUSHMARK (SP);
279 PUTBACK;
280 call_sv (get_sv ("EV::DIED", 1), G_DISCARD | G_VOID | G_EVAL | G_KEEPERR);
281 SPAGAIN;
282 }
283
284 if (count > 0)
285 {
286 retval = SvNV (TOPs);
287
288 if (retval < now)
289 retval = now;
290 }
291 else
292 retval = now;
293
294 FREETMPS;
295 LEAVE;
296
297 return retval;
298 }
299
300 #define CHECK_REPEAT(repeat) if (repeat < 0.) \
301 croak (# repeat " value must be >= 0");
302
303 #define CHECK_FD(fh,fd) if ((fd) < 0) \
304 croak ("illegal file descriptor or filehandle (either no attached file descriptor or illegal value): %s", SvPV_nolen (fh));
305
306 #define CHECK_SIG(sv,num) if ((num) < 0) \
307 croak ("illegal signal number or name: %s", SvPV_nolen (sv));
308
309 /////////////////////////////////////////////////////////////////////////////
310 // XS interface functions
311
312 MODULE = EV PACKAGE = EV PREFIX = ev_
313
314 PROTOTYPES: ENABLE
315
316 BOOT:
317 {
318 HV *stash = gv_stashpv ("EV", 1);
319
320 static const struct {
321 const char *name;
322 IV iv;
323 } *civ, const_iv[] = {
324 # define const_iv(pfx, name) { # name, (IV) pfx ## name },
325 const_iv (EV_, MINPRI)
326 const_iv (EV_, MAXPRI)
327
328 const_iv (EV_, UNDEF)
329 const_iv (EV_, NONE)
330 const_iv (EV_, READ)
331 const_iv (EV_, WRITE)
332 const_iv (EV_, IO)
333 const_iv (EV_, TIMEOUT)
334 const_iv (EV_, TIMER)
335 const_iv (EV_, PERIODIC)
336 const_iv (EV_, SIGNAL)
337 const_iv (EV_, CHILD)
338 const_iv (EV_, STAT)
339 const_iv (EV_, IDLE)
340 const_iv (EV_, PREPARE)
341 const_iv (EV_, CHECK)
342 const_iv (EV_, EMBED)
343 const_iv (EV_, FORK)
344 const_iv (EV_, ASYNC)
345 const_iv (EV_, CUSTOM)
346 const_iv (EV_, ERROR)
347
348 const_iv (EV, LOOP_NONBLOCK)
349 const_iv (EV, LOOP_ONESHOT)
350
351 const_iv (EV, UNLOOP_CANCEL)
352 const_iv (EV, UNLOOP_ONE)
353 const_iv (EV, UNLOOP_ALL)
354
355 const_iv (EV, BACKEND_SELECT)
356 const_iv (EV, BACKEND_POLL)
357 const_iv (EV, BACKEND_EPOLL)
358 const_iv (EV, BACKEND_KQUEUE)
359 const_iv (EV, BACKEND_DEVPOLL)
360 const_iv (EV, BACKEND_PORT)
361 const_iv (EV, FLAG_AUTO)
362 const_iv (EV, FLAG_NOENV)
363 const_iv (EV, FLAG_FORKCHECK)
364
365 const_iv (EV_, VERSION_MAJOR)
366 const_iv (EV_, VERSION_MINOR)
367 };
368
369 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
370 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
371
372 stash_loop = gv_stashpv ("EV::Loop" , 1);
373 stash_watcher = gv_stashpv ("EV::Watcher" , 1);
374 stash_io = gv_stashpv ("EV::IO" , 1);
375 stash_timer = gv_stashpv ("EV::Timer" , 1);
376 stash_periodic = gv_stashpv ("EV::Periodic", 1);
377 stash_signal = gv_stashpv ("EV::Signal" , 1);
378 stash_idle = gv_stashpv ("EV::Idle" , 1);
379 stash_prepare = gv_stashpv ("EV::Prepare" , 1);
380 stash_check = gv_stashpv ("EV::Check" , 1);
381 stash_child = gv_stashpv ("EV::Child" , 1);
382 stash_embed = gv_stashpv ("EV::Embed" , 1);
383 stash_stat = gv_stashpv ("EV::Stat" , 1);
384 stash_fork = gv_stashpv ("EV::Fork" , 1);
385 stash_async = gv_stashpv ("EV::Async" , 1);
386
387 {
388 SV *sv = perl_get_sv ("EV::API", TRUE);
389 perl_get_sv ("EV::API", TRUE); /* silence 5.10 warning */
390
391 /* the poor man's shared library emulator */
392 evapi.ver = EV_API_VERSION;
393 evapi.rev = EV_API_REVISION;
394 evapi.sv_fileno = s_fileno;
395 evapi.sv_signum = s_signum;
396 evapi.supported_backends = ev_supported_backends ();
397 evapi.recommended_backends = ev_recommended_backends ();
398 evapi.embeddable_backends = ev_embeddable_backends ();
399 evapi.time_ = ev_time;
400 evapi.sleep_ = ev_sleep;
401 evapi.loop_new = ev_loop_new;
402 evapi.loop_destroy = ev_loop_destroy;
403 evapi.loop_fork = ev_loop_fork;
404 evapi.loop_count = ev_loop_count;
405 evapi.loop_depth = ev_loop_depth;
406 evapi.set_userdata = ev_set_userdata;
407 evapi.userdata = ev_userdata;
408 evapi.now = ev_now;
409 evapi.now_update = ev_now_update;
410 evapi.suspend = ev_suspend;
411 evapi.resume = ev_resume;
412 evapi.backend = ev_backend;
413 evapi.unloop = ev_unloop;
414 evapi.invoke_pending = ev_invoke_pending;
415 evapi.set_loop_release_cb = ev_set_loop_release_cb;
416 evapi.set_invoke_pending_cb= ev_set_invoke_pending_cb;
417 evapi.ref = ev_ref;
418 evapi.unref = ev_unref;
419 evapi.loop = ev_loop;
420 evapi.once = ev_once;
421 evapi.io_start = ev_io_start;
422 evapi.io_stop = ev_io_stop;
423 evapi.timer_start = ev_timer_start;
424 evapi.timer_stop = ev_timer_stop;
425 evapi.timer_again = ev_timer_again;
426 evapi.periodic_start = ev_periodic_start;
427 evapi.periodic_stop = ev_periodic_stop;
428 evapi.signal_start = ev_signal_start;
429 evapi.signal_stop = ev_signal_stop;
430 evapi.idle_start = ev_idle_start;
431 evapi.idle_stop = ev_idle_stop;
432 evapi.prepare_start = ev_prepare_start;
433 evapi.prepare_stop = ev_prepare_stop;
434 evapi.check_start = ev_check_start;
435 evapi.check_stop = ev_check_stop;
436 evapi.child_start = ev_child_start;
437 evapi.child_stop = ev_child_stop;
438 evapi.stat_start = ev_stat_start;
439 evapi.stat_stop = ev_stat_stop;
440 evapi.stat_stat = ev_stat_stat;
441 evapi.embed_start = ev_embed_start;
442 evapi.embed_stop = ev_embed_stop;
443 evapi.embed_sweep = ev_embed_sweep;
444 evapi.fork_start = ev_fork_start;
445 evapi.fork_stop = ev_fork_stop;
446 evapi.async_start = ev_async_start;
447 evapi.async_stop = ev_async_stop;
448 evapi.async_send = ev_async_send;
449 evapi.clear_pending = ev_clear_pending;
450 evapi.invoke = ev_invoke;
451
452 sv_setiv (sv, (IV)&evapi);
453 SvREADONLY_on (sv);
454 }
455 #ifndef _WIN32
456 pthread_atfork (0, 0, ev_default_fork);
457 #endif
458 }
459
460 SV *ev_default_loop (unsigned int flags = 0)
461 CODE:
462 {
463 if (!default_loop_sv)
464 {
465 evapi.default_loop = ev_default_loop (flags);
466
467 if (!evapi.default_loop)
468 XSRETURN_UNDEF;
469
470 default_loop_sv = sv_bless (newRV_noinc (newSViv (PTR2IV (evapi.default_loop))), stash_loop);
471 }
472
473 RETVAL = newSVsv (default_loop_sv);
474 }
475 OUTPUT:
476 RETVAL
477
478 void ev_default_destroy ()
479 CODE:
480 ev_default_destroy ();
481 SvREFCNT_dec (default_loop_sv);
482 default_loop_sv = 0;
483
484 unsigned int ev_supported_backends ()
485
486 unsigned int ev_recommended_backends ()
487
488 unsigned int ev_embeddable_backends ()
489
490 void ev_sleep (NV interval)
491
492 NV ev_time ()
493
494 NV ev_now ()
495 C_ARGS: evapi.default_loop
496
497 void ev_now_update ()
498 C_ARGS: evapi.default_loop
499
500 void ev_suspend ()
501 C_ARGS: evapi.default_loop
502
503 void ev_resume ()
504 C_ARGS: evapi.default_loop
505
506 unsigned int ev_backend ()
507 C_ARGS: evapi.default_loop
508
509 void ev_loop_verify ()
510 C_ARGS: evapi.default_loop
511
512 unsigned int ev_loop_count ()
513 C_ARGS: evapi.default_loop
514
515 unsigned int ev_loop_depth ()
516 C_ARGS: evapi.default_loop
517
518 void ev_set_io_collect_interval (NV interval)
519 C_ARGS: evapi.default_loop, interval
520
521 void ev_set_timeout_collect_interval (NV interval)
522 C_ARGS: evapi.default_loop, interval
523
524 void ev_loop (int flags = 0)
525 C_ARGS: evapi.default_loop, flags
526
527 void ev_unloop (int how = EVUNLOOP_ONE)
528 C_ARGS: evapi.default_loop, how
529
530 void ev_feed_fd_event (int fd, int revents = EV_NONE)
531 C_ARGS: evapi.default_loop, fd, revents
532
533 void ev_feed_signal_event (SV *signal)
534 CODE:
535 {
536 Signal signum = s_signum (signal);
537 CHECK_SIG (signal, signum);
538
539 ev_feed_signal_event (evapi.default_loop, signum);
540 }
541
542 ev_io *io (SV *fh, int events, SV *cb)
543 ALIAS:
544 io_ns = 1
545 CODE:
546 {
547 int fd = s_fileno (fh, events & EV_WRITE);
548 CHECK_FD (fh, fd);
549
550 RETVAL = e_new (sizeof (ev_io), cb, default_loop_sv);
551 RETVAL->fh = newSVsv (fh);
552 ev_io_set (RETVAL, fd, events);
553 if (!ix) START (io, RETVAL);
554 }
555 OUTPUT:
556 RETVAL
557
558 ev_timer *timer (NV after, NV repeat, SV *cb)
559 ALIAS:
560 timer_ns = 1
561 INIT:
562 CHECK_REPEAT (repeat);
563 CODE:
564 RETVAL = e_new (sizeof (ev_timer), cb, default_loop_sv);
565 ev_timer_set (RETVAL, after, repeat);
566 if (!ix) START (timer, RETVAL);
567 OUTPUT:
568 RETVAL
569
570 SV *periodic (NV at, NV interval, SV *reschedule_cb, SV *cb)
571 ALIAS:
572 periodic_ns = 1
573 INIT:
574 CHECK_REPEAT (interval);
575 CODE:
576 {
577 ev_periodic *w;
578 w = e_new (sizeof (ev_periodic), cb, default_loop_sv);
579 w->fh = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
580 ev_periodic_set (w, at, interval, w->fh ? e_periodic_cb : 0);
581 RETVAL = e_bless ((ev_watcher *)w, stash_periodic);
582 if (!ix) START (periodic, w);
583 }
584 OUTPUT:
585 RETVAL
586
587 ev_signal *signal (SV *signal, SV *cb)
588 ALIAS:
589 signal_ns = 1
590 CODE:
591 {
592 Signal signum = s_signum (signal);
593 CHECK_SIG (signal, signum);
594
595 RETVAL = e_new (sizeof (ev_signal), cb, default_loop_sv);
596 ev_signal_set (RETVAL, signum);
597 if (!ix) START (signal, RETVAL);
598 }
599 OUTPUT:
600 RETVAL
601
602 ev_idle *idle (SV *cb)
603 ALIAS:
604 idle_ns = 1
605 CODE:
606 RETVAL = e_new (sizeof (ev_idle), cb, default_loop_sv);
607 ev_idle_set (RETVAL);
608 if (!ix) START (idle, RETVAL);
609 OUTPUT:
610 RETVAL
611
612 ev_prepare *prepare (SV *cb)
613 ALIAS:
614 prepare_ns = 1
615 CODE:
616 RETVAL = e_new (sizeof (ev_prepare), cb, default_loop_sv);
617 ev_prepare_set (RETVAL);
618 if (!ix) START (prepare, RETVAL);
619 OUTPUT:
620 RETVAL
621
622 ev_check *check (SV *cb)
623 ALIAS:
624 check_ns = 1
625 CODE:
626 RETVAL = e_new (sizeof (ev_check), cb, default_loop_sv);
627 ev_check_set (RETVAL);
628 if (!ix) START (check, RETVAL);
629 OUTPUT:
630 RETVAL
631
632 ev_fork *fork (SV *cb)
633 ALIAS:
634 fork_ns = 1
635 CODE:
636 RETVAL = e_new (sizeof (ev_fork), cb, default_loop_sv);
637 ev_fork_set (RETVAL);
638 if (!ix) START (fork, RETVAL);
639 OUTPUT:
640 RETVAL
641
642 ev_child *child (int pid, int trace, SV *cb)
643 ALIAS:
644 child_ns = 1
645 CODE:
646 RETVAL = e_new (sizeof (ev_child), cb, default_loop_sv);
647 ev_child_set (RETVAL, pid, trace);
648 if (!ix) START (child, RETVAL);
649 OUTPUT:
650 RETVAL
651
652 ev_stat *stat (SV *path, NV interval, SV *cb)
653 ALIAS:
654 stat_ns = 1
655 CODE:
656 RETVAL = e_new (sizeof (ev_stat), cb, default_loop_sv);
657 RETVAL->fh = newSVsv (path);
658 ev_stat_set (RETVAL, SvPVbyte_nolen (RETVAL->fh), interval);
659 if (!ix) START (stat, RETVAL);
660 OUTPUT:
661 RETVAL
662
663 ev_embed *embed (struct ev_loop *loop, SV *cb = 0)
664 ALIAS:
665 embed_ns = 1
666 CODE:
667 {
668 if (!(ev_backend (loop) & ev_embeddable_backends ()))
669 croak ("passed loop is not embeddable via EV::embed,");
670
671 RETVAL = e_new (sizeof (ev_embed), cb, default_loop_sv);
672 RETVAL->fh = newSVsv (ST (0));
673 ev_embed_set (RETVAL, loop);
674 if (!ix) START (embed, RETVAL);
675 }
676 OUTPUT:
677 RETVAL
678
679 ev_async *async (SV *cb)
680 ALIAS:
681 async_ns = 1
682 CODE:
683 RETVAL = e_new (sizeof (ev_async), cb, default_loop_sv);
684 ev_async_set (RETVAL);
685 if (!ix) START (async, RETVAL);
686 OUTPUT:
687 RETVAL
688
689 void once (SV *fh, int events, SV *timeout, SV *cb)
690 CODE:
691 ev_once (
692 evapi.default_loop,
693 s_fileno (fh, events & EV_WRITE), events,
694 SvOK (timeout) ? SvNV (timeout) : -1.,
695 e_once_cb,
696 newSVsv (cb)
697 );
698
699 PROTOTYPES: DISABLE
700
701 MODULE = EV PACKAGE = EV::Watcher PREFIX = ev_
702
703 int ev_is_active (ev_watcher *w)
704
705 int ev_is_pending (ev_watcher *w)
706
707 void ev_invoke (ev_watcher *w, int revents = EV_NONE)
708 C_ARGS: e_loop (w), w, revents
709
710 int ev_clear_pending (ev_watcher *w)
711 C_ARGS: e_loop (w), w
712
713 void ev_feed_event (ev_watcher *w, int revents = EV_NONE)
714 C_ARGS: e_loop (w), w, revents
715
716 int keepalive (ev_watcher *w, int new_value = 0)
717 CODE:
718 {
719 RETVAL = w->e_flags & WFLAG_KEEPALIVE;
720 new_value = new_value ? WFLAG_KEEPALIVE : 0;
721
722 if (items > 1 && ((new_value ^ w->e_flags) & WFLAG_KEEPALIVE))
723 {
724 w->e_flags = (w->e_flags & ~WFLAG_KEEPALIVE) | new_value;
725 REF (w);
726 UNREF (w);
727 }
728 }
729 OUTPUT:
730 RETVAL
731
732 SV *cb (ev_watcher *w, SV *new_cb = 0)
733 CODE:
734 {
735 if (items > 1)
736 {
737 new_cb = s_get_cv_croak (new_cb);
738 RETVAL = newRV_noinc (w->cb_sv);
739 w->cb_sv = SvREFCNT_inc (new_cb);
740 }
741 else
742 RETVAL = newRV_inc (w->cb_sv);
743 }
744 OUTPUT:
745 RETVAL
746
747 SV *data (ev_watcher *w, SV *new_data = 0)
748 CODE:
749 {
750 RETVAL = w->data ? newSVsv (w->data) : &PL_sv_undef;
751
752 if (items > 1)
753 {
754 SvREFCNT_dec (w->data);
755 w->data = newSVsv (new_data);
756 }
757 }
758 OUTPUT:
759 RETVAL
760
761 SV *loop (ev_watcher *w)
762 CODE:
763 RETVAL = newRV_inc (w->loop);
764 OUTPUT:
765 RETVAL
766
767 int priority (ev_watcher *w, int new_priority = 0)
768 CODE:
769 {
770 RETVAL = w->priority;
771
772 if (items > 1)
773 {
774 int active = ev_is_active (w);
775
776 if (active)
777 {
778 /* grrr. */
779 PUSHMARK (SP);
780 XPUSHs (ST (0));
781 PUTBACK;
782 call_method ("stop", G_DISCARD | G_VOID);
783 }
784
785 ev_set_priority (w, new_priority);
786
787 if (active)
788 {
789 PUSHMARK (SP);
790 XPUSHs (ST (0));
791 PUTBACK;
792 call_method ("start", G_DISCARD | G_VOID);
793 }
794 }
795 }
796 OUTPUT:
797 RETVAL
798
799 MODULE = EV PACKAGE = EV::IO PREFIX = ev_io_
800
801 void ev_io_start (ev_io *w)
802 CODE:
803 START (io, w);
804
805 void ev_io_stop (ev_io *w)
806 CODE:
807 STOP (io, w);
808
809 void DESTROY (ev_io *w)
810 CODE:
811 STOP (io, w);
812 e_destroy (w);
813
814 void set (ev_io *w, SV *fh, int events)
815 CODE:
816 {
817 int fd = s_fileno (fh, events & EV_WRITE);
818 CHECK_FD (fh, fd);
819
820 sv_setsv (w->fh, fh);
821 RESET (io, w, (w, fd, events));
822 }
823
824 SV *fh (ev_io *w, SV *new_fh = 0)
825 CODE:
826 {
827 if (items > 1)
828 {
829 int fd = s_fileno (new_fh, w->events & EV_WRITE);
830 CHECK_FD (new_fh, fd);
831
832 RETVAL = w->fh;
833 w->fh = newSVsv (new_fh);
834
835 RESET (io, w, (w, fd, w->events));
836 }
837 else
838 RETVAL = newSVsv (w->fh);
839 }
840 OUTPUT:
841 RETVAL
842
843 int events (ev_io *w, int new_events = EV_UNDEF)
844 CODE:
845 {
846 RETVAL = w->events;
847
848 if (items > 1)
849 RESET (io, w, (w, w->fd, new_events));
850 }
851 OUTPUT:
852 RETVAL
853
854 MODULE = EV PACKAGE = EV::Signal PREFIX = ev_signal_
855
856 void ev_signal_start (ev_signal *w)
857 CODE:
858 START (signal, w);
859
860 void ev_signal_stop (ev_signal *w)
861 CODE:
862 STOP (signal, w);
863
864 void DESTROY (ev_signal *w)
865 CODE:
866 STOP (signal, w);
867 e_destroy (w);
868
869 void set (ev_signal *w, SV *signal)
870 CODE:
871 {
872 Signal signum = s_signum (signal);
873 CHECK_SIG (signal, signum);
874
875 RESET (signal, w, (w, signum));
876 }
877
878 int signal (ev_signal *w, SV *new_signal = 0)
879 CODE:
880 {
881 RETVAL = w->signum;
882
883 if (items > 1)
884 {
885 Signal signum = s_signum (new_signal);
886 CHECK_SIG (new_signal, signum);
887
888 RESET (signal, w, (w, signum));
889 }
890 }
891 OUTPUT:
892 RETVAL
893
894 MODULE = EV PACKAGE = EV::Timer PREFIX = ev_timer_
895
896 void ev_timer_start (ev_timer *w)
897 INIT:
898 CHECK_REPEAT (w->repeat);
899 CODE:
900 START (timer, w);
901
902 void ev_timer_stop (ev_timer *w)
903 CODE:
904 STOP (timer, w);
905
906 void ev_timer_again (ev_timer *w)
907 INIT:
908 CHECK_REPEAT (w->repeat);
909 CODE:
910 ev_timer_again (e_loop (w), w);
911 UNREF (w);
912
913 void DESTROY (ev_timer *w)
914 CODE:
915 STOP (timer, w);
916 e_destroy (w);
917
918 void set (ev_timer *w, NV after, NV repeat = 0.)
919 INIT:
920 CHECK_REPEAT (repeat);
921 CODE:
922 RESET (timer, w, (w, after, repeat));
923
924 MODULE = EV PACKAGE = EV::Periodic PREFIX = ev_periodic_
925
926 void ev_periodic_start (ev_periodic *w)
927 INIT:
928 CHECK_REPEAT (w->interval);
929 CODE:
930 START (periodic, w);
931
932 void ev_periodic_stop (ev_periodic *w)
933 CODE:
934 STOP (periodic, w);
935
936 void ev_periodic_again (ev_periodic *w)
937 CODE:
938 ev_periodic_again (e_loop (w), w);
939 UNREF (w);
940
941 void DESTROY (ev_periodic *w)
942 CODE:
943 STOP (periodic, w);
944 e_destroy (w);
945
946 void set (ev_periodic *w, NV at, NV interval = 0., SV *reschedule_cb = &PL_sv_undef)
947 INIT:
948 CHECK_REPEAT (interval);
949 CODE:
950 {
951 SvREFCNT_dec (w->fh);
952 w->fh = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
953
954 RESET (periodic, w, (w, at, interval, w->fh ? e_periodic_cb : 0));
955 }
956
957 NV at (ev_periodic *w)
958 CODE:
959 RETVAL = ev_periodic_at (w);
960 OUTPUT:
961 RETVAL
962
963 MODULE = EV PACKAGE = EV::Idle PREFIX = ev_idle_
964
965 void ev_idle_start (ev_idle *w)
966 CODE:
967 START (idle, w);
968
969 void ev_idle_stop (ev_idle *w)
970 CODE:
971 STOP (idle, w);
972
973 void DESTROY (ev_idle *w)
974 CODE:
975 STOP (idle, w);
976 e_destroy (w);
977
978 MODULE = EV PACKAGE = EV::Prepare PREFIX = ev_prepare_
979
980 void ev_prepare_start (ev_prepare *w)
981 CODE:
982 START (prepare, w);
983
984 void ev_prepare_stop (ev_prepare *w)
985 CODE:
986 STOP (prepare, w);
987
988 void DESTROY (ev_prepare *w)
989 CODE:
990 STOP (prepare, w);
991 e_destroy (w);
992
993 MODULE = EV PACKAGE = EV::Check PREFIX = ev_check_
994
995 void ev_check_start (ev_check *w)
996 CODE:
997 START (check, w);
998
999 void ev_check_stop (ev_check *w)
1000 CODE:
1001 STOP (check, w);
1002
1003 void DESTROY (ev_check *w)
1004 CODE:
1005 STOP (check, w);
1006 e_destroy (w);
1007
1008 MODULE = EV PACKAGE = EV::Fork PREFIX = ev_fork_
1009
1010 void ev_fork_start (ev_fork *w)
1011 CODE:
1012 START (fork, w);
1013
1014 void ev_fork_stop (ev_fork *w)
1015 CODE:
1016 STOP (fork, w);
1017
1018 void DESTROY (ev_fork *w)
1019 CODE:
1020 STOP (fork, w);
1021 e_destroy (w);
1022
1023 MODULE = EV PACKAGE = EV::Child PREFIX = ev_child_
1024
1025 void ev_child_start (ev_child *w)
1026 CODE:
1027 START (child, w);
1028
1029 void ev_child_stop (ev_child *w)
1030 CODE:
1031 STOP (child, w);
1032
1033 void DESTROY (ev_child *w)
1034 CODE:
1035 STOP (child, w);
1036 e_destroy (w);
1037
1038 void set (ev_child *w, int pid, int trace)
1039 CODE:
1040 RESET (child, w, (w, pid, trace));
1041
1042 int pid (ev_child *w)
1043 ALIAS:
1044 rpid = 1
1045 rstatus = 2
1046 CODE:
1047 RETVAL = ix == 0 ? w->pid
1048 : ix == 1 ? w->rpid
1049 : w->rstatus;
1050 OUTPUT:
1051 RETVAL
1052
1053 MODULE = EV PACKAGE = EV::Stat PREFIX = ev_stat_
1054
1055 void ev_stat_start (ev_stat *w)
1056 CODE:
1057 START (stat, w);
1058
1059 void ev_stat_stop (ev_stat *w)
1060 CODE:
1061 STOP (stat, w);
1062
1063 void DESTROY (ev_stat *w)
1064 CODE:
1065 STOP (stat, w);
1066 e_destroy (w);
1067
1068 void set (ev_stat *w, SV *path, NV interval)
1069 CODE:
1070 {
1071 sv_setsv (w->fh, path);
1072 RESET (stat, w, (w, SvPVbyte_nolen (w->fh), interval));
1073 }
1074
1075 SV *path (ev_stat *w, SV *new_path = 0)
1076 CODE:
1077 {
1078 RETVAL = SvREFCNT_inc (w->fh);
1079
1080 if (items > 1)
1081 {
1082 SvREFCNT_dec (w->fh);
1083 w->fh = newSVsv (new_path);
1084 RESET (stat, w, (w, SvPVbyte_nolen (w->fh), w->interval));
1085 }
1086 }
1087 OUTPUT:
1088 RETVAL
1089
1090 NV interval (ev_stat *w, NV new_interval = 0.)
1091 CODE:
1092 {
1093 RETVAL = w->interval;
1094
1095 if (items > 1)
1096 RESET (stat, w, (w, SvPVbyte_nolen (w->fh), new_interval));
1097 }
1098 OUTPUT:
1099 RETVAL
1100
1101 void prev (ev_stat *w)
1102 ALIAS:
1103 stat = 1
1104 attr = 2
1105 PPCODE:
1106 {
1107 ev_statdata *s = ix ? &w->attr : &w->prev;
1108
1109 if (ix == 1)
1110 ev_stat_stat (e_loop (w), w);
1111 else if (!s->st_nlink)
1112 errno = ENOENT;
1113
1114 PL_statcache.st_dev = s->st_nlink;
1115 PL_statcache.st_ino = s->st_ino;
1116 PL_statcache.st_mode = s->st_mode;
1117 PL_statcache.st_nlink = s->st_nlink;
1118 PL_statcache.st_uid = s->st_uid;
1119 PL_statcache.st_gid = s->st_gid;
1120 PL_statcache.st_rdev = s->st_rdev;
1121 PL_statcache.st_size = s->st_size;
1122 PL_statcache.st_atime = s->st_atime;
1123 PL_statcache.st_mtime = s->st_mtime;
1124 PL_statcache.st_ctime = s->st_ctime;
1125
1126 if (GIMME_V == G_SCALAR)
1127 XPUSHs (boolSV (s->st_nlink));
1128 else if (GIMME_V == G_ARRAY && s->st_nlink)
1129 {
1130 EXTEND (SP, 13);
1131 PUSHs (sv_2mortal (newSViv (s->st_dev)));
1132 PUSHs (sv_2mortal (newSViv (s->st_ino)));
1133 PUSHs (sv_2mortal (newSVuv (s->st_mode)));
1134 PUSHs (sv_2mortal (newSVuv (s->st_nlink)));
1135 PUSHs (sv_2mortal (newSViv (s->st_uid)));
1136 PUSHs (sv_2mortal (newSViv (s->st_gid)));
1137 PUSHs (sv_2mortal (newSViv (s->st_rdev)));
1138 PUSHs (sv_2mortal (newSVnv ((NV)s->st_size)));
1139 PUSHs (sv_2mortal (newSVnv (s->st_atime)));
1140 PUSHs (sv_2mortal (newSVnv (s->st_mtime)));
1141 PUSHs (sv_2mortal (newSVnv (s->st_ctime)));
1142 PUSHs (sv_2mortal (newSVuv (4096)));
1143 PUSHs (sv_2mortal (newSVnv ((NV)((s->st_size + 4095) / 4096))));
1144 }
1145 }
1146
1147 MODULE = EV PACKAGE = EV::Embed PREFIX = ev_embed_
1148
1149 void ev_embed_start (ev_embed *w)
1150 CODE:
1151 START (embed, w);
1152
1153 void ev_embed_stop (ev_embed *w)
1154 CODE:
1155 STOP (embed, w);
1156
1157 void DESTROY (ev_embed *w)
1158 CODE:
1159 STOP (embed, w);
1160 e_destroy (w);
1161
1162 void set (ev_embed *w, struct ev_loop *loop)
1163 CODE:
1164 {
1165 sv_setsv (w->fh, ST (1));
1166 RESET (embed, w, (w, loop));
1167 }
1168
1169 SV *other (ev_embed *w)
1170 CODE:
1171 RETVAL = newSVsv (w->fh);
1172 OUTPUT:
1173 RETVAL
1174
1175 void ev_embed_sweep (ev_embed *w)
1176 C_ARGS: e_loop (w), w
1177
1178 MODULE = EV PACKAGE = EV::Async PREFIX = ev_async_
1179
1180 void ev_async_start (ev_async *w)
1181 CODE:
1182 START (async, w);
1183
1184 void ev_async_stop (ev_async *w)
1185 CODE:
1186 STOP (async, w);
1187
1188 void DESTROY (ev_async *w)
1189 CODE:
1190 STOP (async, w);
1191 e_destroy (w);
1192
1193 void ev_async_send (ev_async *w)
1194 C_ARGS: e_loop (w), w
1195
1196 SV *ev_async_async_pending (ev_async *w)
1197 CODE:
1198 RETVAL = boolSV (ev_async_pending (w));
1199 OUTPUT:
1200 RETVAL
1201
1202 MODULE = EV PACKAGE = EV::Loop PREFIX = ev_
1203
1204 SV *new (SV *klass, unsigned int flags = 0)
1205 CODE:
1206 {
1207 struct ev_loop *loop = ev_loop_new (flags);
1208
1209 if (!loop)
1210 XSRETURN_UNDEF;
1211
1212 RETVAL = sv_bless (newRV_noinc (newSViv (PTR2IV (loop))), stash_loop);
1213 }
1214 OUTPUT:
1215 RETVAL
1216
1217 void DESTROY (struct ev_loop *loop)
1218 CODE:
1219 if (loop != evapi.default_loop) /* global destruction sucks */
1220 ev_loop_destroy (loop);
1221
1222 void ev_loop_fork (struct ev_loop *loop)
1223
1224 void ev_loop_verify (struct ev_loop *loop)
1225
1226 NV ev_now (struct ev_loop *loop)
1227
1228 void ev_now_update (struct ev_loop *loop)
1229
1230 void ev_suspend (struct ev_loop *loop)
1231
1232 void ev_resume (struct ev_loop *loop)
1233
1234 void ev_set_io_collect_interval (struct ev_loop *loop, NV interval)
1235
1236 void ev_set_timeout_collect_interval (struct ev_loop *loop, NV interval)
1237
1238 unsigned int ev_backend (struct ev_loop *loop)
1239
1240 unsigned int ev_loop_count (struct ev_loop *loop)
1241
1242 unsigned int ev_loop_depth (struct ev_loop *loop)
1243
1244 void ev_loop (struct ev_loop *loop, int flags = 0)
1245
1246 void ev_unloop (struct ev_loop *loop, int how = 1)
1247
1248 void ev_feed_fd_event (struct ev_loop *loop, int fd, int revents = EV_NONE)
1249
1250 #if 0
1251
1252 void ev_feed_signal_event (struct ev_loop *loop, SV *signal)
1253 CODE:
1254 {
1255 Signal signum = s_signum (signal);
1256 CHECK_SIG (signal, signum);
1257
1258 ev_feed_signal_event (loop, signum);
1259 }
1260
1261 #endif
1262
1263 ev_io *io (struct ev_loop *loop, SV *fh, int events, SV *cb)
1264 ALIAS:
1265 io_ns = 1
1266 CODE:
1267 {
1268 int fd = s_fileno (fh, events & EV_WRITE);
1269 CHECK_FD (fh, fd);
1270
1271 RETVAL = e_new (sizeof (ev_io), cb, ST (0));
1272 RETVAL->fh = newSVsv (fh);
1273 ev_io_set (RETVAL, fd, events);
1274 if (!ix) START (io, RETVAL);
1275 }
1276 OUTPUT:
1277 RETVAL
1278
1279 ev_timer *timer (struct ev_loop *loop, NV after, NV repeat, SV *cb)
1280 ALIAS:
1281 timer_ns = 1
1282 INIT:
1283 CHECK_REPEAT (repeat);
1284 CODE:
1285 RETVAL = e_new (sizeof (ev_timer), cb, ST (0));
1286 ev_timer_set (RETVAL, after, repeat);
1287 if (!ix) START (timer, RETVAL);
1288 OUTPUT:
1289 RETVAL
1290
1291 SV *periodic (struct ev_loop *loop, NV at, NV interval, SV *reschedule_cb, SV *cb)
1292 ALIAS:
1293 periodic_ns = 1
1294 INIT:
1295 CHECK_REPEAT (interval);
1296 CODE:
1297 {
1298 ev_periodic *w;
1299 w = e_new (sizeof (ev_periodic), cb, ST (0));
1300 w->fh = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
1301 ev_periodic_set (w, at, interval, w->fh ? e_periodic_cb : 0);
1302 RETVAL = e_bless ((ev_watcher *)w, stash_periodic);
1303 if (!ix) START (periodic, w);
1304 }
1305 OUTPUT:
1306 RETVAL
1307
1308 #if 0
1309
1310 ev_signal *signal (struct ev_loop *loop, SV *signal, SV *cb)
1311 ALIAS:
1312 signal_ns = 1
1313 CODE:
1314 {
1315 Signal signum = s_signum (signal);
1316 CHECK_SIG (signal, signum);
1317
1318 RETVAL = e_new (sizeof (ev_signal), cb, ST (0));
1319 ev_signal_set (RETVAL, signum);
1320 if (!ix) START (signal, RETVAL);
1321 }
1322 OUTPUT:
1323 RETVAL
1324
1325 #endif
1326
1327 ev_idle *idle (struct ev_loop *loop, SV *cb)
1328 ALIAS:
1329 idle_ns = 1
1330 CODE:
1331 RETVAL = e_new (sizeof (ev_idle), cb, ST (0));
1332 ev_idle_set (RETVAL);
1333 if (!ix) START (idle, RETVAL);
1334 OUTPUT:
1335 RETVAL
1336
1337 ev_prepare *prepare (struct ev_loop *loop, SV *cb)
1338 ALIAS:
1339 prepare_ns = 1
1340 CODE:
1341 RETVAL = e_new (sizeof (ev_prepare), cb, ST (0));
1342 ev_prepare_set (RETVAL);
1343 if (!ix) START (prepare, RETVAL);
1344 OUTPUT:
1345 RETVAL
1346
1347 ev_check *check (struct ev_loop *loop, SV *cb)
1348 ALIAS:
1349 check_ns = 1
1350 CODE:
1351 RETVAL = e_new (sizeof (ev_check), cb, ST (0));
1352 ev_check_set (RETVAL);
1353 if (!ix) START (check, RETVAL);
1354 OUTPUT:
1355 RETVAL
1356
1357 ev_fork *fork (struct ev_loop *loop, SV *cb)
1358 ALIAS:
1359 fork_ns = 1
1360 CODE:
1361 RETVAL = e_new (sizeof (ev_fork), cb, ST (0));
1362 ev_fork_set (RETVAL);
1363 if (!ix) START (fork, RETVAL);
1364 OUTPUT:
1365 RETVAL
1366
1367 ev_child *child (struct ev_loop *loop, int pid, int trace, SV *cb)
1368 ALIAS:
1369 child_ns = 1
1370 CODE:
1371 RETVAL = e_new (sizeof (ev_child), cb, ST (0));
1372 ev_child_set (RETVAL, pid, trace);
1373 if (!ix) START (child, RETVAL);
1374 OUTPUT:
1375 RETVAL
1376
1377 ev_stat *stat (struct ev_loop *loop, SV *path, NV interval, SV *cb)
1378 ALIAS:
1379 stat_ns = 1
1380 CODE:
1381 RETVAL = e_new (sizeof (ev_stat), cb, ST (0));
1382 RETVAL->fh = newSVsv (path);
1383 ev_stat_set (RETVAL, SvPVbyte_nolen (RETVAL->fh), interval);
1384 if (!ix) START (stat, RETVAL);
1385 OUTPUT:
1386 RETVAL
1387
1388 ev_embed *embed (struct ev_loop *loop, struct ev_loop *other, SV *cb = 0)
1389 ALIAS:
1390 embed_ns = 1
1391 CODE:
1392 {
1393 if (!(ev_backend (other) & ev_embeddable_backends ()))
1394 croak ("passed loop is not embeddable via EV::embed,");
1395
1396 RETVAL = e_new (sizeof (ev_embed), cb, ST (0));
1397 RETVAL->fh = newSVsv (ST (1));
1398 ev_embed_set (RETVAL, other);
1399 if (!ix) START (embed, RETVAL);
1400 }
1401 OUTPUT:
1402 RETVAL
1403
1404 ev_async *async (struct ev_loop *loop, SV *cb)
1405 ALIAS:
1406 async_ns = 1
1407 CODE:
1408 RETVAL = e_new (sizeof (ev_async), cb, ST (0));
1409 ev_async_set (RETVAL);
1410 if (!ix) START (async, RETVAL);
1411 OUTPUT:
1412 RETVAL
1413
1414 void once (struct ev_loop *loop, SV *fh, int events, SV *timeout, SV *cb)
1415 CODE:
1416 ev_once (
1417 loop,
1418 s_fileno (fh, events & EV_WRITE), events,
1419 SvOK (timeout) ? SvNV (timeout) : -1.,
1420 e_once_cb,
1421 newSVsv (cb)
1422 );
1423