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/cvs/EV/EV.xs
Revision: 1.132
Committed: Sun Jul 19 21:59:55 2009 UTC (14 years, 9 months ago) by root
Branch: MAIN
Changes since 1.131: +34 -11 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 /* horrible... */
79 #define CHECK_SIGNAL_CAN_START(w) \
80 do { \
81 /* dive into the internals of libev to avoid aborting in libev */ \
82 if (signals [(w)->signum - 1].loop \
83 && signals [(w)->signum - 1].loop != e_loop (w)) \
84 croak ("unable to start signal watcher, signal %d already registered in another loop", w->signum); \
85 } while (0)
86
87 #define START_SIGNAL(w) \
88 do { \
89 CHECK_SIGNAL_CAN_START (w); \
90 START (signal, w); \
91 } while (0) \
92
93 #define RESET_SIGNAL(w,seta) \
94 do { \
95 int active = ev_is_active (w); \
96 if (active) STOP (signal, w); \
97 ev_ ## signal ## _set seta; \
98 if (active) START_SIGNAL (w); \
99 } while (0)
100
101 static SV *default_loop_sv;
102
103 static struct EVAPI evapi;
104
105 static HV
106 *stash_loop,
107 *stash_watcher,
108 *stash_io,
109 *stash_timer,
110 *stash_periodic,
111 *stash_signal,
112 *stash_child,
113 *stash_stat,
114 *stash_idle,
115 *stash_prepare,
116 *stash_check,
117 *stash_embed,
118 *stash_fork,
119 *stash_async;
120
121 /////////////////////////////////////////////////////////////////////////////
122 // Event
123
124 static void e_cb (EV_P_ ev_watcher *w, int revents);
125
126 static void *
127 e_new (int size, SV *cb_sv, SV *loop)
128 {
129 SV *cv = cb_sv ? s_get_cv_croak (cb_sv) : 0;
130 ev_watcher *w;
131 SV *self = NEWSV (0, size);
132 SvPOK_only (self);
133 SvCUR_set (self, size);
134
135 w = (ev_watcher *)SvPVX (self);
136
137 ev_init (w, cv ? e_cb : 0);
138
139 w->loop = SvREFCNT_inc (SvRV (loop));
140 w->e_flags = WFLAG_KEEPALIVE;
141 w->data = 0;
142 w->fh = 0;
143 w->cb_sv = SvREFCNT_inc (cv);
144 w->self = self;
145
146 return (void *)w;
147 }
148
149 static void
150 e_destroy (void *w_)
151 {
152 ev_watcher *w = (ev_watcher *)w_;
153
154 SvREFCNT_dec (w->loop ); w->loop = 0;
155 SvREFCNT_dec (w->fh ); w->fh = 0;
156 SvREFCNT_dec (w->cb_sv); w->cb_sv = 0;
157 SvREFCNT_dec (w->data ); w->data = 0;
158 }
159
160 static SV *
161 e_bless (ev_watcher *w, HV *stash)
162 {
163 SV *rv;
164
165 if (SvOBJECT (w->self))
166 rv = newRV_inc (w->self);
167 else
168 {
169 rv = newRV_noinc (w->self);
170 sv_bless (rv, stash);
171 SvREADONLY_on (w->self);
172 }
173
174 return rv;
175 }
176
177 static SV *sv_self_cache, *sv_events_cache;
178
179 static void
180 e_cb (EV_P_ ev_watcher *w, int revents)
181 {
182 dSP;
183 I32 mark = SP - PL_stack_base;
184 SV *sv_self, *sv_events;
185
186 /* libev might have stopped the watcher */
187 if (expect_false (w->e_flags & WFLAG_UNREFED)
188 && !ev_is_active (w))
189 REF (w);
190
191 if (expect_true (sv_self_cache))
192 {
193 sv_self = sv_self_cache; sv_self_cache = 0;
194 SvRV_set (sv_self, SvREFCNT_inc_NN (w->self));
195 }
196 else
197 {
198 sv_self = newRV_inc (w->self); /* w->self MUST be blessed by now */
199 SvREADONLY_on (sv_self);
200 }
201
202 if (expect_true (sv_events_cache))
203 {
204 sv_events = sv_events_cache; sv_events_cache = 0;
205 SvIV_set (sv_events, revents);
206 }
207 else
208 {
209 sv_events = newSViv (revents);
210 SvREADONLY_on (sv_events);
211 }
212
213 PUSHMARK (SP);
214 EXTEND (SP, 2);
215 PUSHs (sv_self);
216 PUSHs (sv_events);
217
218 PUTBACK;
219 call_sv (w->cb_sv, G_DISCARD | G_VOID | G_EVAL);
220
221 if (expect_false (SvREFCNT (sv_self) != 1 || sv_self_cache))
222 SvREFCNT_dec (sv_self);
223 else
224 {
225 SvREFCNT_dec (SvRV (sv_self));
226 SvRV_set (sv_self, &PL_sv_undef);
227 sv_self_cache = sv_self;
228 }
229
230 if (expect_false (SvREFCNT (sv_events) != 1 || sv_events_cache))
231 SvREFCNT_dec (sv_events);
232 else
233 sv_events_cache = sv_events;
234
235 if (expect_false (SvTRUE (ERRSV)))
236 {
237 SPAGAIN;
238 PUSHMARK (SP);
239 PUTBACK;
240 call_sv (get_sv ("EV::DIED", 1), G_DISCARD | G_VOID | G_EVAL | G_KEEPERR);
241 }
242
243 SP = PL_stack_base + mark;
244 PUTBACK;
245 }
246
247 static void
248 e_once_cb (int revents, void *arg)
249 {
250 dSP;
251 I32 mark = SP - PL_stack_base;
252 SV *sv_events;
253
254 if (sv_events_cache)
255 {
256 sv_events = sv_events_cache; sv_events_cache = 0;
257 SvIV_set (sv_events, revents);
258 }
259 else
260 sv_events = newSViv (revents);
261
262 PUSHMARK (SP);
263 XPUSHs (sv_events);
264
265 PUTBACK;
266 call_sv ((SV *)arg, G_DISCARD | G_VOID | G_EVAL);
267
268 SvREFCNT_dec ((SV *)arg);
269
270 if (sv_events_cache)
271 SvREFCNT_dec (sv_events);
272 else
273 sv_events_cache = sv_events;
274
275 if (SvTRUE (ERRSV))
276 {
277 SPAGAIN;
278 PUSHMARK (SP);
279 PUTBACK;
280 call_sv (get_sv ("EV::DIED", 1), G_DISCARD | G_VOID | G_EVAL | G_KEEPERR);
281 }
282
283 SP = PL_stack_base + mark;
284 PUTBACK;
285 }
286
287 static ev_tstamp
288 e_periodic_cb (ev_periodic *w, ev_tstamp now)
289 {
290 ev_tstamp retval;
291 int count;
292 dSP;
293
294 ENTER;
295 SAVETMPS;
296
297 PUSHMARK (SP);
298 EXTEND (SP, 2);
299 PUSHs (newRV_inc (w->self)); /* w->self MUST be blessed by now */
300 PUSHs (newSVnv (now));
301
302 PUTBACK;
303 count = call_sv (w->fh, G_SCALAR | G_EVAL);
304 SPAGAIN;
305
306 if (SvTRUE (ERRSV))
307 {
308 PUSHMARK (SP);
309 PUTBACK;
310 call_sv (get_sv ("EV::DIED", 1), G_DISCARD | G_VOID | G_EVAL | G_KEEPERR);
311 SPAGAIN;
312 }
313
314 if (count > 0)
315 {
316 retval = SvNV (TOPs);
317
318 if (retval < now)
319 retval = now;
320 }
321 else
322 retval = now;
323
324 FREETMPS;
325 LEAVE;
326
327 return retval;
328 }
329
330 #define CHECK_REPEAT(repeat) if (repeat < 0.) \
331 croak (# repeat " value must be >= 0");
332
333 #define CHECK_FD(fh,fd) if ((fd) < 0) \
334 croak ("illegal file descriptor or filehandle (either no attached file descriptor or illegal value): %s", SvPV_nolen (fh));
335
336 #define CHECK_SIG(sv,num) if ((num) < 0) \
337 croak ("illegal signal number or name: %s", SvPV_nolen (sv));
338
339 /////////////////////////////////////////////////////////////////////////////
340 // XS interface functions
341
342 MODULE = EV PACKAGE = EV PREFIX = ev_
343
344 PROTOTYPES: ENABLE
345
346 BOOT:
347 {
348 HV *stash = gv_stashpv ("EV", 1);
349
350 static const struct {
351 const char *name;
352 IV iv;
353 } *civ, const_iv[] = {
354 # define const_iv(pfx, name) { # name, (IV) pfx ## name },
355 const_iv (EV_, MINPRI)
356 const_iv (EV_, MAXPRI)
357
358 const_iv (EV_, UNDEF)
359 const_iv (EV_, NONE)
360 const_iv (EV_, READ)
361 const_iv (EV_, WRITE)
362 const_iv (EV_, IO)
363 const_iv (EV_, TIMEOUT)
364 const_iv (EV_, TIMER)
365 const_iv (EV_, PERIODIC)
366 const_iv (EV_, SIGNAL)
367 const_iv (EV_, CHILD)
368 const_iv (EV_, STAT)
369 const_iv (EV_, IDLE)
370 const_iv (EV_, PREPARE)
371 const_iv (EV_, CHECK)
372 const_iv (EV_, EMBED)
373 const_iv (EV_, FORK)
374 const_iv (EV_, ASYNC)
375 const_iv (EV_, CUSTOM)
376 const_iv (EV_, ERROR)
377
378 const_iv (EV, LOOP_NONBLOCK)
379 const_iv (EV, LOOP_ONESHOT)
380
381 const_iv (EV, UNLOOP_CANCEL)
382 const_iv (EV, UNLOOP_ONE)
383 const_iv (EV, UNLOOP_ALL)
384
385 const_iv (EV, BACKEND_SELECT)
386 const_iv (EV, BACKEND_POLL)
387 const_iv (EV, BACKEND_EPOLL)
388 const_iv (EV, BACKEND_KQUEUE)
389 const_iv (EV, BACKEND_DEVPOLL)
390 const_iv (EV, BACKEND_PORT)
391 const_iv (EV, FLAG_AUTO)
392 const_iv (EV, FLAG_NOENV)
393 const_iv (EV, FLAG_FORKCHECK)
394
395 const_iv (EV_, VERSION_MAJOR)
396 const_iv (EV_, VERSION_MINOR)
397 };
398
399 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
400 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
401
402 stash_loop = gv_stashpv ("EV::Loop" , 1);
403 stash_watcher = gv_stashpv ("EV::Watcher" , 1);
404 stash_io = gv_stashpv ("EV::IO" , 1);
405 stash_timer = gv_stashpv ("EV::Timer" , 1);
406 stash_periodic = gv_stashpv ("EV::Periodic", 1);
407 stash_signal = gv_stashpv ("EV::Signal" , 1);
408 stash_idle = gv_stashpv ("EV::Idle" , 1);
409 stash_prepare = gv_stashpv ("EV::Prepare" , 1);
410 stash_check = gv_stashpv ("EV::Check" , 1);
411 stash_child = gv_stashpv ("EV::Child" , 1);
412 stash_embed = gv_stashpv ("EV::Embed" , 1);
413 stash_stat = gv_stashpv ("EV::Stat" , 1);
414 stash_fork = gv_stashpv ("EV::Fork" , 1);
415 stash_async = gv_stashpv ("EV::Async" , 1);
416
417 {
418 SV *sv = perl_get_sv ("EV::API", TRUE);
419 perl_get_sv ("EV::API", TRUE); /* silence 5.10 warning */
420
421 /* the poor man's shared library emulator */
422 evapi.ver = EV_API_VERSION;
423 evapi.rev = EV_API_REVISION;
424 evapi.sv_fileno = sv_fileno;
425 evapi.sv_signum = s_signum;
426 evapi.supported_backends = ev_supported_backends ();
427 evapi.recommended_backends = ev_recommended_backends ();
428 evapi.embeddable_backends = ev_embeddable_backends ();
429 evapi.time_ = ev_time;
430 evapi.sleep_ = ev_sleep;
431 evapi.loop_new = ev_loop_new;
432 evapi.loop_destroy = ev_loop_destroy;
433 evapi.loop_fork = ev_loop_fork;
434 evapi.loop_count = ev_loop_count;
435 evapi.loop_depth = ev_loop_depth;
436 evapi.set_userdata = ev_set_userdata;
437 evapi.userdata = ev_userdata;
438 evapi.now = ev_now;
439 evapi.now_update = ev_now_update;
440 evapi.suspend = ev_suspend;
441 evapi.resume = ev_resume;
442 evapi.backend = ev_backend;
443 evapi.unloop = ev_unloop;
444 evapi.invoke_pending = ev_invoke_pending;
445 evapi.pending_count = ev_pending_count;
446 evapi.set_loop_release_cb = ev_set_loop_release_cb;
447 evapi.set_invoke_pending_cb= ev_set_invoke_pending_cb;
448 evapi.ref = ev_ref;
449 evapi.unref = ev_unref;
450 evapi.loop = ev_loop;
451 evapi.once = ev_once;
452 evapi.io_start = ev_io_start;
453 evapi.io_stop = ev_io_stop;
454 evapi.timer_start = ev_timer_start;
455 evapi.timer_stop = ev_timer_stop;
456 evapi.timer_again = ev_timer_again;
457 evapi.timer_remaining = ev_timer_remaining;
458 evapi.periodic_start = ev_periodic_start;
459 evapi.periodic_stop = ev_periodic_stop;
460 evapi.signal_start = ev_signal_start;
461 evapi.signal_stop = ev_signal_stop;
462 evapi.idle_start = ev_idle_start;
463 evapi.idle_stop = ev_idle_stop;
464 evapi.prepare_start = ev_prepare_start;
465 evapi.prepare_stop = ev_prepare_stop;
466 evapi.check_start = ev_check_start;
467 evapi.check_stop = ev_check_stop;
468 evapi.child_start = ev_child_start;
469 evapi.child_stop = ev_child_stop;
470 evapi.stat_start = ev_stat_start;
471 evapi.stat_stop = ev_stat_stop;
472 evapi.stat_stat = ev_stat_stat;
473 evapi.embed_start = ev_embed_start;
474 evapi.embed_stop = ev_embed_stop;
475 evapi.embed_sweep = ev_embed_sweep;
476 evapi.fork_start = ev_fork_start;
477 evapi.fork_stop = ev_fork_stop;
478 evapi.async_start = ev_async_start;
479 evapi.async_stop = ev_async_stop;
480 evapi.async_send = ev_async_send;
481 evapi.clear_pending = ev_clear_pending;
482 evapi.invoke = ev_invoke;
483
484 sv_setiv (sv, (IV)&evapi);
485 SvREADONLY_on (sv);
486 }
487 #ifndef _WIN32
488 pthread_atfork (0, 0, ev_default_fork);
489 #endif
490 }
491
492 SV *ev_default_loop (unsigned int flags = 0)
493 CODE:
494 {
495 if (!default_loop_sv)
496 {
497 evapi.default_loop = ev_default_loop (flags);
498
499 if (!evapi.default_loop)
500 XSRETURN_UNDEF;
501
502 default_loop_sv = sv_bless (newRV_noinc (newSViv (PTR2IV (evapi.default_loop))), stash_loop);
503 }
504
505 RETVAL = newSVsv (default_loop_sv);
506 }
507 OUTPUT:
508 RETVAL
509
510 void ev_default_destroy ()
511 CODE:
512 ev_default_destroy ();
513 SvREFCNT_dec (default_loop_sv);
514 default_loop_sv = 0;
515
516 unsigned int ev_supported_backends ()
517
518 unsigned int ev_recommended_backends ()
519
520 unsigned int ev_embeddable_backends ()
521
522 void ev_sleep (NV interval)
523
524 NV ev_time ()
525
526 NV ev_now ()
527 C_ARGS: evapi.default_loop
528
529 void ev_now_update ()
530 C_ARGS: evapi.default_loop
531
532 void ev_suspend ()
533 C_ARGS: evapi.default_loop
534
535 void ev_resume ()
536 C_ARGS: evapi.default_loop
537
538 unsigned int ev_backend ()
539 C_ARGS: evapi.default_loop
540
541 void ev_loop_verify ()
542 C_ARGS: evapi.default_loop
543
544 unsigned int ev_loop_count ()
545 C_ARGS: evapi.default_loop
546
547 unsigned int ev_loop_depth ()
548 C_ARGS: evapi.default_loop
549
550 void ev_set_io_collect_interval (NV interval)
551 C_ARGS: evapi.default_loop, interval
552
553 void ev_set_timeout_collect_interval (NV interval)
554 C_ARGS: evapi.default_loop, interval
555
556 void ev_loop (int flags = 0)
557 C_ARGS: evapi.default_loop, flags
558
559 void ev_unloop (int how = EVUNLOOP_ONE)
560 C_ARGS: evapi.default_loop, how
561
562 void ev_feed_fd_event (int fd, int revents = EV_NONE)
563 C_ARGS: evapi.default_loop, fd, revents
564
565 void ev_feed_signal_event (SV *signal)
566 CODE:
567 {
568 Signal signum = s_signum (signal);
569 CHECK_SIG (signal, signum);
570
571 ev_feed_signal_event (evapi.default_loop, signum);
572 }
573
574 unsigned int ev_pending_count ()
575 C_ARGS: evapi.default_loop
576
577 void ev_invoke_pending ()
578 C_ARGS: evapi.default_loop
579
580 ev_io *io (SV *fh, int events, SV *cb)
581 ALIAS:
582 io_ns = 1
583 CODE:
584 {
585 int fd = s_fileno (fh, events & EV_WRITE);
586 CHECK_FD (fh, fd);
587
588 RETVAL = e_new (sizeof (ev_io), cb, default_loop_sv);
589 RETVAL->fh = newSVsv (fh);
590 ev_io_set (RETVAL, fd, events);
591 if (!ix) START (io, RETVAL);
592 }
593 OUTPUT:
594 RETVAL
595
596 ev_timer *timer (NV after, NV repeat, SV *cb)
597 ALIAS:
598 timer_ns = 1
599 INIT:
600 CHECK_REPEAT (repeat);
601 CODE:
602 RETVAL = e_new (sizeof (ev_timer), cb, default_loop_sv);
603 ev_timer_set (RETVAL, after, repeat);
604 if (!ix) START (timer, RETVAL);
605 OUTPUT:
606 RETVAL
607
608 SV *periodic (NV at, NV interval, SV *reschedule_cb, SV *cb)
609 ALIAS:
610 periodic_ns = 1
611 INIT:
612 CHECK_REPEAT (interval);
613 CODE:
614 {
615 ev_periodic *w;
616 w = e_new (sizeof (ev_periodic), cb, default_loop_sv);
617 w->fh = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
618 ev_periodic_set (w, at, interval, w->fh ? e_periodic_cb : 0);
619 RETVAL = e_bless ((ev_watcher *)w, stash_periodic);
620 if (!ix) START (periodic, w);
621 }
622 OUTPUT:
623 RETVAL
624
625 ev_signal *signal (SV *signal, SV *cb)
626 ALIAS:
627 signal_ns = 1
628 CODE:
629 {
630 Signal signum = s_signum (signal);
631 CHECK_SIG (signal, signum);
632
633 RETVAL = e_new (sizeof (ev_signal), cb, default_loop_sv);
634 ev_signal_set (RETVAL, signum);
635 if (!ix) START_SIGNAL (RETVAL);
636 }
637 OUTPUT:
638 RETVAL
639
640 ev_idle *idle (SV *cb)
641 ALIAS:
642 idle_ns = 1
643 CODE:
644 RETVAL = e_new (sizeof (ev_idle), cb, default_loop_sv);
645 ev_idle_set (RETVAL);
646 if (!ix) START (idle, RETVAL);
647 OUTPUT:
648 RETVAL
649
650 ev_prepare *prepare (SV *cb)
651 ALIAS:
652 prepare_ns = 1
653 CODE:
654 RETVAL = e_new (sizeof (ev_prepare), cb, default_loop_sv);
655 ev_prepare_set (RETVAL);
656 if (!ix) START (prepare, RETVAL);
657 OUTPUT:
658 RETVAL
659
660 ev_check *check (SV *cb)
661 ALIAS:
662 check_ns = 1
663 CODE:
664 RETVAL = e_new (sizeof (ev_check), cb, default_loop_sv);
665 ev_check_set (RETVAL);
666 if (!ix) START (check, RETVAL);
667 OUTPUT:
668 RETVAL
669
670 ev_fork *fork (SV *cb)
671 ALIAS:
672 fork_ns = 1
673 CODE:
674 RETVAL = e_new (sizeof (ev_fork), cb, default_loop_sv);
675 ev_fork_set (RETVAL);
676 if (!ix) START (fork, RETVAL);
677 OUTPUT:
678 RETVAL
679
680 ev_child *child (int pid, int trace, SV *cb)
681 ALIAS:
682 child_ns = 1
683 CODE:
684 RETVAL = e_new (sizeof (ev_child), cb, default_loop_sv);
685 ev_child_set (RETVAL, pid, trace);
686 if (!ix) START (child, RETVAL);
687 OUTPUT:
688 RETVAL
689
690 ev_stat *stat (SV *path, NV interval, SV *cb)
691 ALIAS:
692 stat_ns = 1
693 CODE:
694 RETVAL = e_new (sizeof (ev_stat), cb, default_loop_sv);
695 RETVAL->fh = newSVsv (path);
696 ev_stat_set (RETVAL, SvPVbyte_nolen (RETVAL->fh), interval);
697 if (!ix) START (stat, RETVAL);
698 OUTPUT:
699 RETVAL
700
701 ev_embed *embed (struct ev_loop *loop, SV *cb = 0)
702 ALIAS:
703 embed_ns = 1
704 CODE:
705 {
706 if (!(ev_backend (loop) & ev_embeddable_backends ()))
707 croak ("passed loop is not embeddable via EV::embed,");
708
709 RETVAL = e_new (sizeof (ev_embed), cb, default_loop_sv);
710 RETVAL->fh = newSVsv (ST (0));
711 ev_embed_set (RETVAL, loop);
712 if (!ix) START (embed, RETVAL);
713 }
714 OUTPUT:
715 RETVAL
716
717 ev_async *async (SV *cb)
718 ALIAS:
719 async_ns = 1
720 CODE:
721 RETVAL = e_new (sizeof (ev_async), cb, default_loop_sv);
722 ev_async_set (RETVAL);
723 if (!ix) START (async, RETVAL);
724 OUTPUT:
725 RETVAL
726
727 void once (SV *fh, int events, SV *timeout, SV *cb)
728 CODE:
729 ev_once (
730 evapi.default_loop,
731 s_fileno (fh, events & EV_WRITE), events,
732 SvOK (timeout) ? SvNV (timeout) : -1.,
733 e_once_cb,
734 newSVsv (cb)
735 );
736
737 PROTOTYPES: DISABLE
738
739 MODULE = EV PACKAGE = EV::Watcher PREFIX = ev_
740
741 int ev_is_active (ev_watcher *w)
742
743 int ev_is_pending (ev_watcher *w)
744
745 void ev_invoke (ev_watcher *w, int revents = EV_NONE)
746 C_ARGS: e_loop (w), w, revents
747
748 int ev_clear_pending (ev_watcher *w)
749 C_ARGS: e_loop (w), w
750
751 void ev_feed_event (ev_watcher *w, int revents = EV_NONE)
752 C_ARGS: e_loop (w), w, revents
753
754 int keepalive (ev_watcher *w, int new_value = 0)
755 CODE:
756 {
757 RETVAL = w->e_flags & WFLAG_KEEPALIVE;
758 new_value = new_value ? WFLAG_KEEPALIVE : 0;
759
760 if (items > 1 && ((new_value ^ w->e_flags) & WFLAG_KEEPALIVE))
761 {
762 w->e_flags = (w->e_flags & ~WFLAG_KEEPALIVE) | new_value;
763 REF (w);
764 UNREF (w);
765 }
766 }
767 OUTPUT:
768 RETVAL
769
770 SV *cb (ev_watcher *w, SV *new_cb = 0)
771 CODE:
772 {
773 if (items > 1)
774 {
775 new_cb = s_get_cv_croak (new_cb);
776 RETVAL = newRV_noinc (w->cb_sv);
777 w->cb_sv = SvREFCNT_inc (new_cb);
778 }
779 else
780 RETVAL = newRV_inc (w->cb_sv);
781 }
782 OUTPUT:
783 RETVAL
784
785 SV *data (ev_watcher *w, SV *new_data = 0)
786 CODE:
787 {
788 RETVAL = w->data ? newSVsv (w->data) : &PL_sv_undef;
789
790 if (items > 1)
791 {
792 SvREFCNT_dec (w->data);
793 w->data = newSVsv (new_data);
794 }
795 }
796 OUTPUT:
797 RETVAL
798
799 SV *loop (ev_watcher *w)
800 CODE:
801 RETVAL = newRV_inc (w->loop);
802 OUTPUT:
803 RETVAL
804
805 int priority (ev_watcher *w, int new_priority = 0)
806 CODE:
807 {
808 RETVAL = w->priority;
809
810 if (items > 1)
811 {
812 int active = ev_is_active (w);
813
814 if (active)
815 {
816 /* grrr. */
817 PUSHMARK (SP);
818 XPUSHs (ST (0));
819 PUTBACK;
820 call_method ("stop", G_DISCARD | G_VOID);
821 }
822
823 ev_set_priority (w, new_priority);
824
825 if (active)
826 {
827 PUSHMARK (SP);
828 XPUSHs (ST (0));
829 PUTBACK;
830 call_method ("start", G_DISCARD | G_VOID);
831 }
832 }
833 }
834 OUTPUT:
835 RETVAL
836
837 MODULE = EV PACKAGE = EV::IO PREFIX = ev_io_
838
839 void ev_io_start (ev_io *w)
840 CODE:
841 START (io, w);
842
843 void ev_io_stop (ev_io *w)
844 CODE:
845 STOP (io, w);
846
847 void DESTROY (ev_io *w)
848 CODE:
849 STOP (io, w);
850 e_destroy (w);
851
852 void set (ev_io *w, SV *fh, int events)
853 CODE:
854 {
855 int fd = s_fileno (fh, events & EV_WRITE);
856 CHECK_FD (fh, fd);
857
858 sv_setsv (w->fh, fh);
859 RESET (io, w, (w, fd, events));
860 }
861
862 SV *fh (ev_io *w, SV *new_fh = 0)
863 CODE:
864 {
865 if (items > 1)
866 {
867 int fd = s_fileno (new_fh, w->events & EV_WRITE);
868 CHECK_FD (new_fh, fd);
869
870 RETVAL = w->fh;
871 w->fh = newSVsv (new_fh);
872
873 RESET (io, w, (w, fd, w->events));
874 }
875 else
876 RETVAL = newSVsv (w->fh);
877 }
878 OUTPUT:
879 RETVAL
880
881 int events (ev_io *w, int new_events = EV_UNDEF)
882 CODE:
883 {
884 RETVAL = w->events;
885
886 if (items > 1)
887 RESET (io, w, (w, w->fd, new_events));
888 }
889 OUTPUT:
890 RETVAL
891
892 MODULE = EV PACKAGE = EV::Signal PREFIX = ev_signal_
893
894 void ev_signal_start (ev_signal *w)
895 CODE:
896 START_SIGNAL (w);
897
898 void ev_signal_stop (ev_signal *w)
899 CODE:
900 STOP (signal, w);
901
902 void DESTROY (ev_signal *w)
903 CODE:
904 STOP (signal, w);
905 e_destroy (w);
906
907 void set (ev_signal *w, SV *signal)
908 CODE:
909 {
910 Signal signum = s_signum (signal);
911 CHECK_SIG (signal, signum);
912
913 RESET_SIGNAL (w, (w, signum));
914 }
915
916 int signal (ev_signal *w, SV *new_signal = 0)
917 CODE:
918 {
919 RETVAL = w->signum;
920
921 if (items > 1)
922 {
923 Signal signum = s_signum (new_signal);
924 CHECK_SIG (new_signal, signum);
925
926 RESET_SIGNAL (w, (w, signum));
927 }
928 }
929 OUTPUT:
930 RETVAL
931
932 MODULE = EV PACKAGE = EV::Timer PREFIX = ev_timer_
933
934 void ev_timer_start (ev_timer *w)
935 INIT:
936 CHECK_REPEAT (w->repeat);
937 CODE:
938 START (timer, w);
939
940 void ev_timer_stop (ev_timer *w)
941 CODE:
942 STOP (timer, w);
943
944 void ev_timer_again (ev_timer *w)
945 INIT:
946 CHECK_REPEAT (w->repeat);
947 CODE:
948 ev_timer_again (e_loop (w), w);
949 UNREF (w);
950
951 NV ev_timer_remaining (ev_timer *w)
952 C_ARGS: e_loop (w), w
953
954 void DESTROY (ev_timer *w)
955 CODE:
956 STOP (timer, w);
957 e_destroy (w);
958
959 void set (ev_timer *w, NV after, NV repeat = 0.)
960 INIT:
961 CHECK_REPEAT (repeat);
962 CODE:
963 RESET (timer, w, (w, after, repeat));
964
965 MODULE = EV PACKAGE = EV::Periodic PREFIX = ev_periodic_
966
967 void ev_periodic_start (ev_periodic *w)
968 INIT:
969 CHECK_REPEAT (w->interval);
970 CODE:
971 START (periodic, w);
972
973 void ev_periodic_stop (ev_periodic *w)
974 CODE:
975 STOP (periodic, w);
976
977 void ev_periodic_again (ev_periodic *w)
978 CODE:
979 ev_periodic_again (e_loop (w), w);
980 UNREF (w);
981
982 void DESTROY (ev_periodic *w)
983 CODE:
984 STOP (periodic, w);
985 e_destroy (w);
986
987 void set (ev_periodic *w, NV at, NV interval = 0., SV *reschedule_cb = &PL_sv_undef)
988 INIT:
989 CHECK_REPEAT (interval);
990 CODE:
991 {
992 SvREFCNT_dec (w->fh);
993 w->fh = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
994
995 RESET (periodic, w, (w, at, interval, w->fh ? e_periodic_cb : 0));
996 }
997
998 NV at (ev_periodic *w)
999 CODE:
1000 RETVAL = ev_periodic_at (w);
1001 OUTPUT:
1002 RETVAL
1003
1004 MODULE = EV PACKAGE = EV::Idle PREFIX = ev_idle_
1005
1006 void ev_idle_start (ev_idle *w)
1007 CODE:
1008 START (idle, w);
1009
1010 void ev_idle_stop (ev_idle *w)
1011 CODE:
1012 STOP (idle, w);
1013
1014 void DESTROY (ev_idle *w)
1015 CODE:
1016 STOP (idle, w);
1017 e_destroy (w);
1018
1019 MODULE = EV PACKAGE = EV::Prepare PREFIX = ev_prepare_
1020
1021 void ev_prepare_start (ev_prepare *w)
1022 CODE:
1023 START (prepare, w);
1024
1025 void ev_prepare_stop (ev_prepare *w)
1026 CODE:
1027 STOP (prepare, w);
1028
1029 void DESTROY (ev_prepare *w)
1030 CODE:
1031 STOP (prepare, w);
1032 e_destroy (w);
1033
1034 MODULE = EV PACKAGE = EV::Check PREFIX = ev_check_
1035
1036 void ev_check_start (ev_check *w)
1037 CODE:
1038 START (check, w);
1039
1040 void ev_check_stop (ev_check *w)
1041 CODE:
1042 STOP (check, w);
1043
1044 void DESTROY (ev_check *w)
1045 CODE:
1046 STOP (check, w);
1047 e_destroy (w);
1048
1049 MODULE = EV PACKAGE = EV::Fork PREFIX = ev_fork_
1050
1051 void ev_fork_start (ev_fork *w)
1052 CODE:
1053 START (fork, w);
1054
1055 void ev_fork_stop (ev_fork *w)
1056 CODE:
1057 STOP (fork, w);
1058
1059 void DESTROY (ev_fork *w)
1060 CODE:
1061 STOP (fork, w);
1062 e_destroy (w);
1063
1064 MODULE = EV PACKAGE = EV::Child PREFIX = ev_child_
1065
1066 void ev_child_start (ev_child *w)
1067 CODE:
1068 START (child, w);
1069
1070 void ev_child_stop (ev_child *w)
1071 CODE:
1072 STOP (child, w);
1073
1074 void DESTROY (ev_child *w)
1075 CODE:
1076 STOP (child, w);
1077 e_destroy (w);
1078
1079 void set (ev_child *w, int pid, int trace)
1080 CODE:
1081 RESET (child, w, (w, pid, trace));
1082
1083 int pid (ev_child *w)
1084 ALIAS:
1085 rpid = 1
1086 rstatus = 2
1087 CODE:
1088 RETVAL = ix == 0 ? w->pid
1089 : ix == 1 ? w->rpid
1090 : w->rstatus;
1091 OUTPUT:
1092 RETVAL
1093
1094 MODULE = EV PACKAGE = EV::Stat PREFIX = ev_stat_
1095
1096 void ev_stat_start (ev_stat *w)
1097 CODE:
1098 START (stat, w);
1099
1100 void ev_stat_stop (ev_stat *w)
1101 CODE:
1102 STOP (stat, w);
1103
1104 void DESTROY (ev_stat *w)
1105 CODE:
1106 STOP (stat, w);
1107 e_destroy (w);
1108
1109 void set (ev_stat *w, SV *path, NV interval)
1110 CODE:
1111 {
1112 sv_setsv (w->fh, path);
1113 RESET (stat, w, (w, SvPVbyte_nolen (w->fh), interval));
1114 }
1115
1116 SV *path (ev_stat *w, SV *new_path = 0)
1117 CODE:
1118 {
1119 RETVAL = SvREFCNT_inc (w->fh);
1120
1121 if (items > 1)
1122 {
1123 SvREFCNT_dec (w->fh);
1124 w->fh = newSVsv (new_path);
1125 RESET (stat, w, (w, SvPVbyte_nolen (w->fh), w->interval));
1126 }
1127 }
1128 OUTPUT:
1129 RETVAL
1130
1131 NV interval (ev_stat *w, NV new_interval = 0.)
1132 CODE:
1133 {
1134 RETVAL = w->interval;
1135
1136 if (items > 1)
1137 RESET (stat, w, (w, SvPVbyte_nolen (w->fh), new_interval));
1138 }
1139 OUTPUT:
1140 RETVAL
1141
1142 void prev (ev_stat *w)
1143 ALIAS:
1144 stat = 1
1145 attr = 2
1146 PPCODE:
1147 {
1148 ev_statdata *s = ix ? &w->attr : &w->prev;
1149
1150 if (ix == 1)
1151 ev_stat_stat (e_loop (w), w);
1152 else if (!s->st_nlink)
1153 errno = ENOENT;
1154
1155 PL_statcache.st_dev = s->st_nlink;
1156 PL_statcache.st_ino = s->st_ino;
1157 PL_statcache.st_mode = s->st_mode;
1158 PL_statcache.st_nlink = s->st_nlink;
1159 PL_statcache.st_uid = s->st_uid;
1160 PL_statcache.st_gid = s->st_gid;
1161 PL_statcache.st_rdev = s->st_rdev;
1162 PL_statcache.st_size = s->st_size;
1163 PL_statcache.st_atime = s->st_atime;
1164 PL_statcache.st_mtime = s->st_mtime;
1165 PL_statcache.st_ctime = s->st_ctime;
1166
1167 if (GIMME_V == G_SCALAR)
1168 XPUSHs (boolSV (s->st_nlink));
1169 else if (GIMME_V == G_ARRAY && s->st_nlink)
1170 {
1171 EXTEND (SP, 13);
1172 PUSHs (sv_2mortal (newSViv (s->st_dev)));
1173 PUSHs (sv_2mortal (newSViv (s->st_ino)));
1174 PUSHs (sv_2mortal (newSVuv (s->st_mode)));
1175 PUSHs (sv_2mortal (newSVuv (s->st_nlink)));
1176 PUSHs (sv_2mortal (newSViv (s->st_uid)));
1177 PUSHs (sv_2mortal (newSViv (s->st_gid)));
1178 PUSHs (sv_2mortal (newSViv (s->st_rdev)));
1179 PUSHs (sv_2mortal (newSVnv ((NV)s->st_size)));
1180 PUSHs (sv_2mortal (newSVnv (s->st_atime)));
1181 PUSHs (sv_2mortal (newSVnv (s->st_mtime)));
1182 PUSHs (sv_2mortal (newSVnv (s->st_ctime)));
1183 PUSHs (sv_2mortal (newSVuv (4096)));
1184 PUSHs (sv_2mortal (newSVnv ((NV)((s->st_size + 4095) / 4096))));
1185 }
1186 }
1187
1188 MODULE = EV PACKAGE = EV::Embed PREFIX = ev_embed_
1189
1190 void ev_embed_start (ev_embed *w)
1191 CODE:
1192 START (embed, w);
1193
1194 void ev_embed_stop (ev_embed *w)
1195 CODE:
1196 STOP (embed, w);
1197
1198 void DESTROY (ev_embed *w)
1199 CODE:
1200 STOP (embed, w);
1201 e_destroy (w);
1202
1203 void set (ev_embed *w, struct ev_loop *loop)
1204 CODE:
1205 {
1206 sv_setsv (w->fh, ST (1));
1207 RESET (embed, w, (w, loop));
1208 }
1209
1210 SV *other (ev_embed *w)
1211 CODE:
1212 RETVAL = newSVsv (w->fh);
1213 OUTPUT:
1214 RETVAL
1215
1216 void ev_embed_sweep (ev_embed *w)
1217 C_ARGS: e_loop (w), w
1218
1219 MODULE = EV PACKAGE = EV::Async PREFIX = ev_async_
1220
1221 void ev_async_start (ev_async *w)
1222 CODE:
1223 START (async, w);
1224
1225 void ev_async_stop (ev_async *w)
1226 CODE:
1227 STOP (async, w);
1228
1229 void DESTROY (ev_async *w)
1230 CODE:
1231 STOP (async, w);
1232 e_destroy (w);
1233
1234 void ev_async_send (ev_async *w)
1235 C_ARGS: e_loop (w), w
1236
1237 SV *ev_async_async_pending (ev_async *w)
1238 CODE:
1239 RETVAL = boolSV (ev_async_pending (w));
1240 OUTPUT:
1241 RETVAL
1242
1243 MODULE = EV PACKAGE = EV::Loop PREFIX = ev_
1244
1245 SV *new (SV *klass, unsigned int flags = 0)
1246 CODE:
1247 {
1248 struct ev_loop *loop = ev_loop_new (flags);
1249
1250 if (!loop)
1251 XSRETURN_UNDEF;
1252
1253 RETVAL = sv_bless (newRV_noinc (newSViv (PTR2IV (loop))), stash_loop);
1254 }
1255 OUTPUT:
1256 RETVAL
1257
1258 void DESTROY (struct ev_loop *loop)
1259 CODE:
1260 if (loop != evapi.default_loop) /* global destruction sucks */
1261 ev_loop_destroy (loop);
1262
1263 void ev_loop_fork (struct ev_loop *loop)
1264
1265 void ev_loop_verify (struct ev_loop *loop)
1266
1267 NV ev_now (struct ev_loop *loop)
1268
1269 void ev_now_update (struct ev_loop *loop)
1270
1271 void ev_suspend (struct ev_loop *loop)
1272
1273 void ev_resume (struct ev_loop *loop)
1274
1275 void ev_set_io_collect_interval (struct ev_loop *loop, NV interval)
1276
1277 void ev_set_timeout_collect_interval (struct ev_loop *loop, NV interval)
1278
1279 unsigned int ev_backend (struct ev_loop *loop)
1280
1281 unsigned int ev_loop_count (struct ev_loop *loop)
1282
1283 unsigned int ev_loop_depth (struct ev_loop *loop)
1284
1285 void ev_loop (struct ev_loop *loop, int flags = 0)
1286
1287 void ev_unloop (struct ev_loop *loop, int how = 1)
1288
1289 void ev_feed_fd_event (struct ev_loop *loop, int fd, int revents = EV_NONE)
1290
1291 unsigned int ev_pending_count (struct ev_loop *loop)
1292
1293 void ev_invoke_pending (struct ev_loop *loop)
1294
1295 #if 0
1296
1297 void ev_feed_signal_event (struct ev_loop *loop, SV *signal)
1298 CODE:
1299 {
1300 Signal signum = s_signum (signal);
1301 CHECK_SIG (signal, signum);
1302
1303 ev_feed_signal_event (loop, signum);
1304 }
1305
1306 #endif
1307
1308 ev_io *io (struct ev_loop *loop, SV *fh, int events, SV *cb)
1309 ALIAS:
1310 io_ns = 1
1311 CODE:
1312 {
1313 int fd = s_fileno (fh, events & EV_WRITE);
1314 CHECK_FD (fh, fd);
1315
1316 RETVAL = e_new (sizeof (ev_io), cb, ST (0));
1317 RETVAL->fh = newSVsv (fh);
1318 ev_io_set (RETVAL, fd, events);
1319 if (!ix) START (io, RETVAL);
1320 }
1321 OUTPUT:
1322 RETVAL
1323
1324 ev_timer *timer (struct ev_loop *loop, NV after, NV repeat, SV *cb)
1325 ALIAS:
1326 timer_ns = 1
1327 INIT:
1328 CHECK_REPEAT (repeat);
1329 CODE:
1330 RETVAL = e_new (sizeof (ev_timer), cb, ST (0));
1331 ev_timer_set (RETVAL, after, repeat);
1332 if (!ix) START (timer, RETVAL);
1333 OUTPUT:
1334 RETVAL
1335
1336 SV *periodic (struct ev_loop *loop, NV at, NV interval, SV *reschedule_cb, SV *cb)
1337 ALIAS:
1338 periodic_ns = 1
1339 INIT:
1340 CHECK_REPEAT (interval);
1341 CODE:
1342 {
1343 ev_periodic *w;
1344 w = e_new (sizeof (ev_periodic), cb, ST (0));
1345 w->fh = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
1346 ev_periodic_set (w, at, interval, w->fh ? e_periodic_cb : 0);
1347 RETVAL = e_bless ((ev_watcher *)w, stash_periodic);
1348 if (!ix) START (periodic, w);
1349 }
1350 OUTPUT:
1351 RETVAL
1352
1353 ev_signal *signal (struct ev_loop *loop, SV *signal, SV *cb)
1354 ALIAS:
1355 signal_ns = 1
1356 CODE:
1357 {
1358 Signal signum = s_signum (signal);
1359 CHECK_SIG (signal, signum);
1360
1361 RETVAL = e_new (sizeof (ev_signal), cb, ST (0));
1362 ev_signal_set (RETVAL, signum);
1363 if (!ix) START_SIGNAL (RETVAL);
1364 }
1365 OUTPUT:
1366 RETVAL
1367
1368 ev_idle *idle (struct ev_loop *loop, SV *cb)
1369 ALIAS:
1370 idle_ns = 1
1371 CODE:
1372 RETVAL = e_new (sizeof (ev_idle), cb, ST (0));
1373 ev_idle_set (RETVAL);
1374 if (!ix) START (idle, RETVAL);
1375 OUTPUT:
1376 RETVAL
1377
1378 ev_prepare *prepare (struct ev_loop *loop, SV *cb)
1379 ALIAS:
1380 prepare_ns = 1
1381 CODE:
1382 RETVAL = e_new (sizeof (ev_prepare), cb, ST (0));
1383 ev_prepare_set (RETVAL);
1384 if (!ix) START (prepare, RETVAL);
1385 OUTPUT:
1386 RETVAL
1387
1388 ev_check *check (struct ev_loop *loop, SV *cb)
1389 ALIAS:
1390 check_ns = 1
1391 CODE:
1392 RETVAL = e_new (sizeof (ev_check), cb, ST (0));
1393 ev_check_set (RETVAL);
1394 if (!ix) START (check, RETVAL);
1395 OUTPUT:
1396 RETVAL
1397
1398 ev_fork *fork (struct ev_loop *loop, SV *cb)
1399 ALIAS:
1400 fork_ns = 1
1401 CODE:
1402 RETVAL = e_new (sizeof (ev_fork), cb, ST (0));
1403 ev_fork_set (RETVAL);
1404 if (!ix) START (fork, RETVAL);
1405 OUTPUT:
1406 RETVAL
1407
1408 ev_child *child (struct ev_loop *loop, int pid, int trace, SV *cb)
1409 ALIAS:
1410 child_ns = 1
1411 CODE:
1412 RETVAL = e_new (sizeof (ev_child), cb, ST (0));
1413 ev_child_set (RETVAL, pid, trace);
1414 if (!ix) START (child, RETVAL);
1415 OUTPUT:
1416 RETVAL
1417
1418 ev_stat *stat (struct ev_loop *loop, SV *path, NV interval, SV *cb)
1419 ALIAS:
1420 stat_ns = 1
1421 CODE:
1422 RETVAL = e_new (sizeof (ev_stat), cb, ST (0));
1423 RETVAL->fh = newSVsv (path);
1424 ev_stat_set (RETVAL, SvPVbyte_nolen (RETVAL->fh), interval);
1425 if (!ix) START (stat, RETVAL);
1426 OUTPUT:
1427 RETVAL
1428
1429 ev_embed *embed (struct ev_loop *loop, struct ev_loop *other, SV *cb = 0)
1430 ALIAS:
1431 embed_ns = 1
1432 CODE:
1433 {
1434 if (!(ev_backend (other) & ev_embeddable_backends ()))
1435 croak ("passed loop is not embeddable via EV::embed,");
1436
1437 RETVAL = e_new (sizeof (ev_embed), cb, ST (0));
1438 RETVAL->fh = newSVsv (ST (1));
1439 ev_embed_set (RETVAL, other);
1440 if (!ix) START (embed, RETVAL);
1441 }
1442 OUTPUT:
1443 RETVAL
1444
1445 ev_async *async (struct ev_loop *loop, SV *cb)
1446 ALIAS:
1447 async_ns = 1
1448 CODE:
1449 RETVAL = e_new (sizeof (ev_async), cb, ST (0));
1450 ev_async_set (RETVAL);
1451 if (!ix) START (async, RETVAL);
1452 OUTPUT:
1453 RETVAL
1454
1455 void once (struct ev_loop *loop, SV *fh, int events, SV *timeout, SV *cb)
1456 CODE:
1457 ev_once (
1458 loop,
1459 s_fileno (fh, events & EV_WRITE), events,
1460 SvOK (timeout) ? SvNV (timeout) : -1.,
1461 e_once_cb,
1462 newSVsv (cb)
1463 );
1464