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/cvs/EV/EV.xs
Revision: 1.115
Committed: Mon Sep 8 17:27:42 2008 UTC (15 years, 8 months ago) by root
Branch: MAIN
CVS Tags: rel-3_44
Changes since 1.114: +6 -0 lines
Log Message:
*** empty log message ***

File Contents

# Content
1 #include "EXTERN.h"
2 #include "perl.h"
3 #include "XSUB.h"
4
5 /*#include <netinet/in.h>*/
6
7 /* fix perl api breakage */
8 #undef signal
9 #undef sigaction
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
33 #define UNREF(w) \
34 if (!((w)->e_flags & WFLAG_KEEPALIVE) \
35 && !ev_is_active (w)) \
36 ev_unref (e_loop (w));
37
38 #define REF(w) \
39 if (!((w)->e_flags & WFLAG_KEEPALIVE) \
40 && ev_is_active (w)) \
41 ev_ref (e_loop (w));
42
43 #define START(type,w) \
44 do { \
45 UNREF (w); \
46 ev_ ## type ## _start (e_loop (w), w); \
47 } while (0)
48
49 #define STOP(type,w) \
50 do { \
51 REF (w); \
52 ev_ ## type ## _stop (e_loop (w), w); \
53 } while (0)
54
55 #define RESET(type,w,seta) \
56 do { \
57 int active = ev_is_active (w); \
58 if (active) STOP (type, w); \
59 ev_ ## type ## _set seta; \
60 if (active) START (type, w); \
61 } while (0)
62
63 typedef int Signal;
64
65 static SV *default_loop_sv;
66
67 static struct EVAPI evapi;
68
69 static HV
70 *stash_loop,
71 *stash_watcher,
72 *stash_io,
73 *stash_timer,
74 *stash_periodic,
75 *stash_signal,
76 *stash_child,
77 *stash_stat,
78 *stash_idle,
79 *stash_prepare,
80 *stash_check,
81 *stash_embed,
82 *stash_fork,
83 *stash_async;
84
85 #ifndef SIG_SIZE
86 /* kudos to Slaven Rezic for the idea */
87 static char sig_size [] = { SIG_NUM };
88 # define SIG_SIZE (sizeof (sig_size) + 1)
89 #endif
90
91 static Signal
92 sv_signum (SV *sig)
93 {
94 Signal signum;
95
96 SvGETMAGIC (sig);
97
98 for (signum = 1; signum < SIG_SIZE; ++signum)
99 if (strEQ (SvPV_nolen (sig), PL_sig_name [signum]))
100 return signum;
101
102 signum = SvIV (sig);
103
104 if (signum > 0 && signum < SIG_SIZE)
105 return signum;
106
107 return -1;
108 }
109
110 /////////////////////////////////////////////////////////////////////////////
111 // Event
112
113 static void e_cb (EV_P_ ev_watcher *w, int revents);
114
115 static int
116 sv_fileno (SV *fh)
117 {
118 SvGETMAGIC (fh);
119
120 if (SvROK (fh))
121 fh = SvRV (fh);
122
123 if (SvTYPE (fh) == SVt_PVGV)
124 return PerlIO_fileno (IoIFP (sv_2io (fh)));
125
126 if (SvOK (fh) && (SvIV (fh) >= 0) && (SvIV (fh) < 0x7fffffffL))
127 return SvIV (fh);
128
129 return -1;
130 }
131
132 static SV *
133 e_get_cv (SV *cb_sv)
134 {
135 HV *st;
136 GV *gvp;
137 CV *cv = sv_2cv (cb_sv, &st, &gvp, 0);
138
139 if (!cv)
140 croak ("EV watcher callback must be a CODE reference");
141
142 return (SV *)cv;
143 }
144
145 static void *
146 e_new (int size, SV *cb_sv, SV *loop)
147 {
148 SV *cv = cb_sv ? e_get_cv (cb_sv) : 0;
149 ev_watcher *w;
150 SV *self = NEWSV (0, size);
151 SvPOK_only (self);
152 SvCUR_set (self, size);
153
154 w = (ev_watcher *)SvPVX (self);
155
156 ev_init (w, cv ? e_cb : 0);
157
158 w->loop = SvREFCNT_inc (SvRV (loop));
159 w->e_flags = WFLAG_KEEPALIVE;
160 w->data = 0;
161 w->fh = 0;
162 w->cb_sv = SvREFCNT_inc (cv);
163 w->self = self;
164
165 return (void *)w;
166 }
167
168 static void
169 e_destroy (void *w_)
170 {
171 ev_watcher *w = (ev_watcher *)w_;
172
173 SvREFCNT_dec (w->loop ); w->loop = 0;
174 SvREFCNT_dec (w->fh ); w->fh = 0;
175 SvREFCNT_dec (w->cb_sv); w->cb_sv = 0;
176 SvREFCNT_dec (w->data ); w->data = 0;
177 }
178
179 static SV *
180 e_bless (ev_watcher *w, HV *stash)
181 {
182 SV *rv;
183
184 if (SvOBJECT (w->self))
185 rv = newRV_inc (w->self);
186 else
187 {
188 rv = newRV_noinc (w->self);
189 sv_bless (rv, stash);
190 SvREADONLY_on (w->self);
191 }
192
193 return rv;
194 }
195
196 static SV *sv_events_cache;
197
198 static void
199 e_cb (EV_P_ ev_watcher *w, int revents)
200 {
201 dSP;
202 I32 mark = SP - PL_stack_base;
203 SV *sv_self, *sv_events;
204
205 sv_self = newRV_inc (w->self); /* w->self MUST be blessed by now */
206
207 if (sv_events_cache)
208 {
209 sv_events = sv_events_cache; sv_events_cache = 0;
210 SvIV_set (sv_events, revents);
211 }
212 else
213 sv_events = newSViv (revents);
214
215 PUSHMARK (SP);
216 EXTEND (SP, 2);
217 PUSHs (sv_self);
218 PUSHs (sv_events);
219
220 PUTBACK;
221 call_sv (w->cb_sv, G_DISCARD | G_VOID | G_EVAL);
222
223 SvREFCNT_dec (sv_self);
224
225 if (sv_events_cache)
226 SvREFCNT_dec (sv_events);
227 else
228 sv_events_cache = sv_events;
229
230 if (SvTRUE (ERRSV))
231 {
232 SPAGAIN;
233 PUSHMARK (SP);
234 PUTBACK;
235 call_sv (get_sv ("EV::DIED", 1), G_DISCARD | G_VOID | G_EVAL | G_KEEPERR);
236 }
237
238 SP = PL_stack_base + mark;
239 PUTBACK;
240 }
241
242 static void
243 e_once_cb (int revents, void *arg)
244 {
245 dSP;
246 I32 mark = SP - PL_stack_base;
247 SV *sv_events;
248
249 if (sv_events_cache)
250 {
251 sv_events = sv_events_cache; sv_events_cache = 0;
252 SvIV_set (sv_events, revents);
253 }
254 else
255 sv_events = newSViv (revents);
256
257 PUSHMARK (SP);
258 XPUSHs (sv_events);
259
260 PUTBACK;
261 call_sv ((SV *)arg, G_DISCARD | G_VOID | G_EVAL);
262
263 SvREFCNT_dec ((SV *)arg);
264
265 if (sv_events_cache)
266 SvREFCNT_dec (sv_events);
267 else
268 sv_events_cache = sv_events;
269
270 if (SvTRUE (ERRSV))
271 {
272 SPAGAIN;
273 PUSHMARK (SP);
274 PUTBACK;
275 call_sv (get_sv ("EV::DIED", 1), G_DISCARD | G_VOID | G_EVAL | G_KEEPERR);
276 }
277
278 SP = PL_stack_base + mark;
279 PUTBACK;
280 }
281
282 static ev_tstamp
283 e_periodic_cb (ev_periodic *w, ev_tstamp now)
284 {
285 ev_tstamp retval;
286 int count;
287 dSP;
288
289 ENTER;
290 SAVETMPS;
291
292 PUSHMARK (SP);
293 EXTEND (SP, 2);
294 PUSHs (newRV_inc (w->self)); /* w->self MUST be blessed by now */
295 PUSHs (newSVnv (now));
296
297 PUTBACK;
298 count = call_sv (w->fh, G_SCALAR | G_EVAL);
299 SPAGAIN;
300
301 if (SvTRUE (ERRSV))
302 {
303 PUSHMARK (SP);
304 PUTBACK;
305 call_sv (get_sv ("EV::DIED", 1), G_DISCARD | G_VOID | G_EVAL | G_KEEPERR);
306 SPAGAIN;
307 }
308
309 if (count > 0)
310 {
311 retval = SvNV (TOPs);
312
313 if (retval < now)
314 retval = now;
315 }
316 else
317 retval = now;
318
319 FREETMPS;
320 LEAVE;
321
322 return retval;
323 }
324
325 #define CHECK_REPEAT(repeat) if (repeat < 0.) \
326 croak (# repeat " value must be >= 0");
327
328 #define CHECK_FD(fh,fd) if ((fd) < 0) \
329 croak ("illegal file descriptor or filehandle (either no attached file descriptor or illegal value): %s", SvPV_nolen (fh));
330
331 #define CHECK_SIG(sv,num) if ((num) < 0) \
332 croak ("illegal signal number or name: %s", SvPV_nolen (sv));
333
334 /////////////////////////////////////////////////////////////////////////////
335 // XS interface functions
336
337 MODULE = EV PACKAGE = EV PREFIX = ev_
338
339 PROTOTYPES: ENABLE
340
341 BOOT:
342 {
343 HV *stash = gv_stashpv ("EV", 1);
344
345 static const struct {
346 const char *name;
347 IV iv;
348 } *civ, const_iv[] = {
349 # define const_iv(pfx, name) { # name, (IV) pfx ## name },
350 const_iv (EV_, MINPRI)
351 const_iv (EV_, MAXPRI)
352
353 const_iv (EV_, UNDEF)
354 const_iv (EV_, NONE)
355 const_iv (EV_, TIMEOUT)
356 const_iv (EV_, READ)
357 const_iv (EV_, WRITE)
358 const_iv (EV_, SIGNAL)
359 const_iv (EV_, IDLE)
360 const_iv (EV_, CHECK)
361 const_iv (EV_, ERROR)
362
363 const_iv (EV, LOOP_ONESHOT)
364 const_iv (EV, LOOP_NONBLOCK)
365 const_iv (EV, UNLOOP_ONE)
366 const_iv (EV, UNLOOP_ALL)
367
368 const_iv (EV, BACKEND_SELECT)
369 const_iv (EV, BACKEND_POLL)
370 const_iv (EV, BACKEND_EPOLL)
371 const_iv (EV, BACKEND_KQUEUE)
372 const_iv (EV, BACKEND_DEVPOLL)
373 const_iv (EV, BACKEND_PORT)
374 const_iv (EV, FLAG_AUTO)
375 const_iv (EV, FLAG_NOENV)
376 const_iv (EV, FLAG_FORKCHECK)
377 };
378
379 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
380 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
381
382 stash_loop = gv_stashpv ("EV::Loop" , 1);
383 stash_watcher = gv_stashpv ("EV::Watcher" , 1);
384 stash_io = gv_stashpv ("EV::IO" , 1);
385 stash_timer = gv_stashpv ("EV::Timer" , 1);
386 stash_periodic = gv_stashpv ("EV::Periodic", 1);
387 stash_signal = gv_stashpv ("EV::Signal" , 1);
388 stash_idle = gv_stashpv ("EV::Idle" , 1);
389 stash_prepare = gv_stashpv ("EV::Prepare" , 1);
390 stash_check = gv_stashpv ("EV::Check" , 1);
391 stash_child = gv_stashpv ("EV::Child" , 1);
392 stash_embed = gv_stashpv ("EV::Embed" , 1);
393 stash_stat = gv_stashpv ("EV::Stat" , 1);
394 stash_fork = gv_stashpv ("EV::Fork" , 1);
395 stash_async = gv_stashpv ("EV::Async" , 1);
396
397 {
398 SV *sv = perl_get_sv ("EV::API", TRUE);
399 perl_get_sv ("EV::API", TRUE); /* silence 5.10 warning */
400
401 /* the poor man's shared library emulator */
402 evapi.ver = EV_API_VERSION;
403 evapi.rev = EV_API_REVISION;
404 evapi.sv_fileno = sv_fileno;
405 evapi.sv_signum = sv_signum;
406 evapi.supported_backends = ev_supported_backends ();
407 evapi.recommended_backends = ev_recommended_backends ();
408 evapi.embeddable_backends = ev_embeddable_backends ();
409 evapi.time_ = ev_time;
410 evapi.sleep_ = ev_sleep;
411 evapi.loop_new = ev_loop_new;
412 evapi.loop_destroy = ev_loop_destroy;
413 evapi.loop_fork = ev_loop_fork;
414 evapi.loop_count = ev_loop_count;
415 evapi.now = ev_now;
416 evapi.now_update = ev_now_update;
417 evapi.backend = ev_backend;
418 evapi.unloop = ev_unloop;
419 evapi.ref = ev_ref;
420 evapi.unref = ev_unref;
421 evapi.loop = ev_loop;
422 evapi.once = ev_once;
423 evapi.io_start = ev_io_start;
424 evapi.io_stop = ev_io_stop;
425 evapi.timer_start = ev_timer_start;
426 evapi.timer_stop = ev_timer_stop;
427 evapi.timer_again = ev_timer_again;
428 evapi.periodic_start = ev_periodic_start;
429 evapi.periodic_stop = ev_periodic_stop;
430 evapi.signal_start = ev_signal_start;
431 evapi.signal_stop = ev_signal_stop;
432 evapi.idle_start = ev_idle_start;
433 evapi.idle_stop = ev_idle_stop;
434 evapi.prepare_start = ev_prepare_start;
435 evapi.prepare_stop = ev_prepare_stop;
436 evapi.check_start = ev_check_start;
437 evapi.check_stop = ev_check_stop;
438 evapi.child_start = ev_child_start;
439 evapi.child_stop = ev_child_stop;
440 evapi.stat_start = ev_stat_start;
441 evapi.stat_stop = ev_stat_stop;
442 evapi.stat_stat = ev_stat_stat;
443 evapi.embed_start = ev_embed_start;
444 evapi.embed_stop = ev_embed_stop;
445 evapi.embed_sweep = ev_embed_sweep;
446 evapi.fork_start = ev_fork_start;
447 evapi.fork_stop = ev_fork_stop;
448 evapi.async_start = ev_async_start;
449 evapi.async_stop = ev_async_stop;
450 evapi.async_send = ev_async_send;
451 evapi.clear_pending = ev_clear_pending;
452 evapi.invoke = ev_invoke;
453
454 sv_setiv (sv, (IV)&evapi);
455 SvREADONLY_on (sv);
456 }
457 #ifndef _WIN32
458 pthread_atfork (0, 0, ev_default_fork);
459 #endif
460 }
461
462 SV *ev_default_loop (unsigned int flags = 0)
463 CODE:
464 {
465 if (!default_loop_sv)
466 {
467 evapi.default_loop = ev_default_loop (flags);
468
469 if (!evapi.default_loop)
470 XSRETURN_UNDEF;
471
472 default_loop_sv = sv_bless (newRV_noinc (newSViv (PTR2IV (evapi.default_loop))), stash_loop);
473 }
474
475 RETVAL = newSVsv (default_loop_sv);
476 }
477 OUTPUT:
478 RETVAL
479
480 void ev_default_destroy ()
481 CODE:
482 ev_default_destroy ();
483 SvREFCNT_dec (default_loop_sv);
484 default_loop_sv = 0;
485
486 unsigned int ev_supported_backends ()
487
488 unsigned int ev_recommended_backends ()
489
490 unsigned int ev_embeddable_backends ()
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 unsigned int ev_backend ()
501 C_ARGS: evapi.default_loop
502
503 unsigned int ev_loop_count ()
504 C_ARGS: evapi.default_loop
505
506 void ev_set_io_collect_interval (NV interval)
507 C_ARGS: evapi.default_loop, interval
508
509 void ev_set_timeout_collect_interval (NV interval)
510 C_ARGS: evapi.default_loop, interval
511
512 void ev_loop (int flags = 0)
513 C_ARGS: evapi.default_loop, flags
514
515 void ev_unloop (int how = EVUNLOOP_ONE)
516 C_ARGS: evapi.default_loop, how
517
518 void ev_feed_fd_event (int fd, int revents = EV_NONE)
519 C_ARGS: evapi.default_loop, fd, revents
520
521 void ev_feed_signal_event (SV *signal)
522 CODE:
523 {
524 Signal signum = sv_signum (signal);
525 CHECK_SIG (signal, signum);
526
527 ev_feed_signal_event (evapi.default_loop, signum);
528 }
529
530 ev_io *io (SV *fh, int events, SV *cb)
531 ALIAS:
532 io_ns = 1
533 CODE:
534 {
535 int fd = sv_fileno (fh);
536 CHECK_FD (fh, fd);
537
538 RETVAL = e_new (sizeof (ev_io), cb, default_loop_sv);
539 RETVAL->fh = newSVsv (fh);
540 ev_io_set (RETVAL, fd, events);
541 if (!ix) START (io, RETVAL);
542 }
543 OUTPUT:
544 RETVAL
545
546 ev_timer *timer (NV after, NV repeat, SV *cb)
547 ALIAS:
548 timer_ns = 1
549 INIT:
550 CHECK_REPEAT (repeat);
551 CODE:
552 RETVAL = e_new (sizeof (ev_timer), cb, default_loop_sv);
553 ev_timer_set (RETVAL, after, repeat);
554 if (!ix) START (timer, RETVAL);
555 OUTPUT:
556 RETVAL
557
558 SV *periodic (NV at, NV interval, SV *reschedule_cb, SV *cb)
559 ALIAS:
560 periodic_ns = 1
561 INIT:
562 CHECK_REPEAT (interval);
563 CODE:
564 {
565 ev_periodic *w;
566 w = e_new (sizeof (ev_periodic), cb, default_loop_sv);
567 w->fh = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
568 ev_periodic_set (w, at, interval, w->fh ? e_periodic_cb : 0);
569 RETVAL = e_bless ((ev_watcher *)w, stash_periodic);
570 if (!ix) START (periodic, w);
571 }
572 OUTPUT:
573 RETVAL
574
575 ev_signal *signal (SV *signal, SV *cb)
576 ALIAS:
577 signal_ns = 1
578 CODE:
579 {
580 Signal signum = sv_signum (signal);
581 CHECK_SIG (signal, signum);
582
583 RETVAL = e_new (sizeof (ev_signal), cb, default_loop_sv);
584 ev_signal_set (RETVAL, signum);
585 if (!ix) START (signal, RETVAL);
586 }
587 OUTPUT:
588 RETVAL
589
590 ev_idle *idle (SV *cb)
591 ALIAS:
592 idle_ns = 1
593 CODE:
594 RETVAL = e_new (sizeof (ev_idle), cb, default_loop_sv);
595 ev_idle_set (RETVAL);
596 if (!ix) START (idle, RETVAL);
597 OUTPUT:
598 RETVAL
599
600 ev_prepare *prepare (SV *cb)
601 ALIAS:
602 prepare_ns = 1
603 CODE:
604 RETVAL = e_new (sizeof (ev_prepare), cb, default_loop_sv);
605 ev_prepare_set (RETVAL);
606 if (!ix) START (prepare, RETVAL);
607 OUTPUT:
608 RETVAL
609
610 ev_check *check (SV *cb)
611 ALIAS:
612 check_ns = 1
613 CODE:
614 RETVAL = e_new (sizeof (ev_check), cb, default_loop_sv);
615 ev_check_set (RETVAL);
616 if (!ix) START (check, RETVAL);
617 OUTPUT:
618 RETVAL
619
620 ev_fork *fork (SV *cb)
621 ALIAS:
622 fork_ns = 1
623 CODE:
624 RETVAL = e_new (sizeof (ev_fork), cb, default_loop_sv);
625 ev_fork_set (RETVAL);
626 if (!ix) START (fork, RETVAL);
627 OUTPUT:
628 RETVAL
629
630 ev_child *child (int pid, int trace, SV *cb)
631 ALIAS:
632 child_ns = 1
633 CODE:
634 RETVAL = e_new (sizeof (ev_child), cb, default_loop_sv);
635 ev_child_set (RETVAL, pid, trace);
636 if (!ix) START (child, RETVAL);
637 OUTPUT:
638 RETVAL
639
640 ev_stat *stat (SV *path, NV interval, SV *cb)
641 ALIAS:
642 stat_ns = 1
643 CODE:
644 RETVAL = e_new (sizeof (ev_stat), cb, default_loop_sv);
645 RETVAL->fh = newSVsv (path);
646 ev_stat_set (RETVAL, SvPVbyte_nolen (RETVAL->fh), interval);
647 if (!ix) START (stat, RETVAL);
648 OUTPUT:
649 RETVAL
650
651 ev_embed *embed (struct ev_loop *loop, SV *cb = 0)
652 ALIAS:
653 embed_ns = 1
654 CODE:
655 {
656 if (!(ev_backend (loop) & ev_embeddable_backends ()))
657 croak ("passed loop is not embeddable via EV::embed,");
658
659 RETVAL = e_new (sizeof (ev_embed), cb, default_loop_sv);
660 RETVAL->fh = newSVsv (ST (0));
661 ev_embed_set (RETVAL, loop);
662 if (!ix) START (embed, RETVAL);
663 }
664 OUTPUT:
665 RETVAL
666
667 ev_async *async (SV *cb)
668 ALIAS:
669 async_ns = 1
670 CODE:
671 RETVAL = e_new (sizeof (ev_async), cb, default_loop_sv);
672 ev_async_set (RETVAL);
673 if (!ix) START (async, RETVAL);
674 OUTPUT:
675 RETVAL
676
677 void once (SV *fh, int events, SV *timeout, SV *cb)
678 CODE:
679 ev_once (
680 evapi.default_loop,
681 sv_fileno (fh), events,
682 SvOK (timeout) ? SvNV (timeout) : -1.,
683 e_once_cb,
684 newSVsv (cb)
685 );
686
687 PROTOTYPES: DISABLE
688
689 MODULE = EV PACKAGE = EV::Watcher PREFIX = ev_
690
691 int ev_is_active (ev_watcher *w)
692
693 int ev_is_pending (ev_watcher *w)
694
695 void ev_invoke (ev_watcher *w, int revents = EV_NONE)
696 C_ARGS: e_loop (w), w, revents
697
698 int ev_clear_pending (ev_watcher *w)
699 C_ARGS: e_loop (w), w
700
701 void ev_feed_event (ev_watcher *w, int revents = EV_NONE)
702 C_ARGS: e_loop (w), w, revents
703
704 int keepalive (ev_watcher *w, int new_value = 0)
705 CODE:
706 {
707 RETVAL = w->e_flags & WFLAG_KEEPALIVE;
708 new_value = new_value ? WFLAG_KEEPALIVE : 0;
709
710 if (items > 1 && ((new_value ^ w->e_flags) & WFLAG_KEEPALIVE))
711 {
712 REF (w);
713 w->e_flags = (w->e_flags & ~WFLAG_KEEPALIVE) | new_value;
714 UNREF (w);
715 }
716 }
717 OUTPUT:
718 RETVAL
719
720 SV *cb (ev_watcher *w, SV *new_cb = 0)
721 CODE:
722 {
723 if (items > 1)
724 {
725 new_cb = e_get_cv (new_cb);
726 RETVAL = newRV_noinc (w->cb_sv);
727 w->cb_sv = SvREFCNT_inc (new_cb);
728 }
729 else
730 RETVAL = newRV_inc (w->cb_sv);
731 }
732 OUTPUT:
733 RETVAL
734
735 SV *data (ev_watcher *w, SV *new_data = 0)
736 CODE:
737 {
738 RETVAL = w->data ? newSVsv (w->data) : &PL_sv_undef;
739
740 if (items > 1)
741 {
742 SvREFCNT_dec (w->data);
743 w->data = newSVsv (new_data);
744 }
745 }
746 OUTPUT:
747 RETVAL
748
749 SV *loop (ev_watcher *w)
750 CODE:
751 RETVAL = newRV_inc (w->loop);
752 OUTPUT:
753 RETVAL
754
755 int priority (ev_watcher *w, int new_priority = 0)
756 CODE:
757 {
758 RETVAL = w->priority;
759
760 if (items > 1)
761 {
762 int active = ev_is_active (w);
763
764 if (active)
765 {
766 /* grrr. */
767 PUSHMARK (SP);
768 XPUSHs (ST (0));
769 PUTBACK;
770 call_method ("stop", G_DISCARD | G_VOID);
771 }
772
773 ev_set_priority (w, new_priority);
774
775 if (active)
776 {
777 PUSHMARK (SP);
778 XPUSHs (ST (0));
779 PUTBACK;
780 call_method ("start", G_DISCARD | G_VOID);
781 }
782 }
783 }
784 OUTPUT:
785 RETVAL
786
787 MODULE = EV PACKAGE = EV::IO PREFIX = ev_io_
788
789 void ev_io_start (ev_io *w)
790 CODE:
791 START (io, w);
792
793 void ev_io_stop (ev_io *w)
794 CODE:
795 STOP (io, w);
796
797 void DESTROY (ev_io *w)
798 CODE:
799 STOP (io, w);
800 e_destroy (w);
801
802 void set (ev_io *w, SV *fh, int events)
803 CODE:
804 {
805 int fd = sv_fileno (fh);
806 CHECK_FD (fh, fd);
807
808 sv_setsv (w->fh, fh);
809 RESET (io, w, (w, fd, events));
810 }
811
812 SV *fh (ev_io *w, SV *new_fh = 0)
813 CODE:
814 {
815 if (items > 1)
816 {
817 int fd = sv_fileno (new_fh);
818 CHECK_FD (new_fh, fd);
819
820 RETVAL = w->fh;
821 w->fh = newSVsv (new_fh);
822
823 RESET (io, w, (w, fd, w->events));
824 }
825 else
826 RETVAL = newSVsv (w->fh);
827 }
828 OUTPUT:
829 RETVAL
830
831 int events (ev_io *w, int new_events = EV_UNDEF)
832 CODE:
833 {
834 RETVAL = w->events;
835
836 if (items > 1)
837 RESET (io, w, (w, w->fd, new_events));
838 }
839 OUTPUT:
840 RETVAL
841
842 MODULE = EV PACKAGE = EV::Signal PREFIX = ev_signal_
843
844 void ev_signal_start (ev_signal *w)
845 CODE:
846 START (signal, w);
847
848 void ev_signal_stop (ev_signal *w)
849 CODE:
850 STOP (signal, w);
851
852 void DESTROY (ev_signal *w)
853 CODE:
854 STOP (signal, w);
855 e_destroy (w);
856
857 void set (ev_signal *w, SV *signal)
858 CODE:
859 {
860 Signal signum = sv_signum (signal);
861 CHECK_SIG (signal, signum);
862
863 RESET (signal, w, (w, signum));
864 }
865
866 int signal (ev_signal *w, SV *new_signal = 0)
867 CODE:
868 {
869 RETVAL = w->signum;
870
871 if (items > 1)
872 {
873 Signal signum = sv_signum (new_signal);
874 CHECK_SIG (new_signal, signum);
875
876 RESET (signal, w, (w, signum));
877 }
878 }
879 OUTPUT:
880 RETVAL
881
882 MODULE = EV PACKAGE = EV::Timer PREFIX = ev_timer_
883
884 void ev_timer_start (ev_timer *w)
885 INIT:
886 CHECK_REPEAT (w->repeat);
887 CODE:
888 START (timer, w);
889
890 void ev_timer_stop (ev_timer *w)
891 CODE:
892 STOP (timer, w);
893
894 void ev_timer_again (ev_timer *w)
895 INIT:
896 CHECK_REPEAT (w->repeat);
897 CODE:
898 REF (w);
899 ev_timer_again (e_loop (w), w);
900 UNREF (w);
901
902 void DESTROY (ev_timer *w)
903 CODE:
904 STOP (timer, w);
905 e_destroy (w);
906
907 void set (ev_timer *w, NV after, NV repeat = 0.)
908 INIT:
909 CHECK_REPEAT (repeat);
910 CODE:
911 RESET (timer, w, (w, after, repeat));
912
913 MODULE = EV PACKAGE = EV::Periodic PREFIX = ev_periodic_
914
915 void ev_periodic_start (ev_periodic *w)
916 INIT:
917 CHECK_REPEAT (w->interval);
918 CODE:
919 START (periodic, w);
920
921 void ev_periodic_stop (ev_periodic *w)
922 CODE:
923 STOP (periodic, w);
924
925 void ev_periodic_again (ev_periodic *w)
926 CODE:
927 REF (w);
928 ev_periodic_again (e_loop (w), w);
929 UNREF (w);
930
931 void DESTROY (ev_periodic *w)
932 CODE:
933 STOP (periodic, w);
934 e_destroy (w);
935
936 void set (ev_periodic *w, NV at, NV interval = 0., SV *reschedule_cb = &PL_sv_undef)
937 INIT:
938 CHECK_REPEAT (interval);
939 CODE:
940 {
941 SvREFCNT_dec (w->fh);
942 w->fh = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
943
944 RESET (periodic, w, (w, at, interval, w->fh ? e_periodic_cb : 0));
945 }
946
947 NV at (ev_periodic *w)
948 CODE:
949 RETVAL = ev_periodic_at (w);
950 OUTPUT:
951 RETVAL
952
953 MODULE = EV PACKAGE = EV::Idle PREFIX = ev_idle_
954
955 void ev_idle_start (ev_idle *w)
956 CODE:
957 START (idle, w);
958
959 void ev_idle_stop (ev_idle *w)
960 CODE:
961 STOP (idle, w);
962
963 void DESTROY (ev_idle *w)
964 CODE:
965 STOP (idle, w);
966 e_destroy (w);
967
968 MODULE = EV PACKAGE = EV::Prepare PREFIX = ev_prepare_
969
970 void ev_prepare_start (ev_prepare *w)
971 CODE:
972 START (prepare, w);
973
974 void ev_prepare_stop (ev_prepare *w)
975 CODE:
976 STOP (prepare, w);
977
978 void DESTROY (ev_prepare *w)
979 CODE:
980 STOP (prepare, w);
981 e_destroy (w);
982
983 MODULE = EV PACKAGE = EV::Check PREFIX = ev_check_
984
985 void ev_check_start (ev_check *w)
986 CODE:
987 START (check, w);
988
989 void ev_check_stop (ev_check *w)
990 CODE:
991 STOP (check, w);
992
993 void DESTROY (ev_check *w)
994 CODE:
995 STOP (check, w);
996 e_destroy (w);
997
998 MODULE = EV PACKAGE = EV::Fork PREFIX = ev_fork_
999
1000 void ev_fork_start (ev_fork *w)
1001 CODE:
1002 START (fork, w);
1003
1004 void ev_fork_stop (ev_fork *w)
1005 CODE:
1006 STOP (fork, w);
1007
1008 void DESTROY (ev_fork *w)
1009 CODE:
1010 STOP (fork, w);
1011 e_destroy (w);
1012
1013 MODULE = EV PACKAGE = EV::Child PREFIX = ev_child_
1014
1015 void ev_child_start (ev_child *w)
1016 CODE:
1017 START (child, w);
1018
1019 void ev_child_stop (ev_child *w)
1020 CODE:
1021 STOP (child, w);
1022
1023 void DESTROY (ev_child *w)
1024 CODE:
1025 STOP (child, w);
1026 e_destroy (w);
1027
1028 void set (ev_child *w, int pid, int trace)
1029 CODE:
1030 RESET (child, w, (w, pid, trace));
1031
1032 int pid (ev_child *w)
1033 ALIAS:
1034 rpid = 1
1035 rstatus = 2
1036 CODE:
1037 RETVAL = ix == 0 ? w->pid
1038 : ix == 1 ? w->rpid
1039 : w->rstatus;
1040 OUTPUT:
1041 RETVAL
1042
1043 MODULE = EV PACKAGE = EV::Stat PREFIX = ev_stat_
1044
1045 void ev_stat_start (ev_stat *w)
1046 CODE:
1047 START (stat, w);
1048
1049 void ev_stat_stop (ev_stat *w)
1050 CODE:
1051 STOP (stat, w);
1052
1053 void DESTROY (ev_stat *w)
1054 CODE:
1055 STOP (stat, w);
1056 e_destroy (w);
1057
1058 void set (ev_stat *w, SV *path, NV interval)
1059 CODE:
1060 {
1061 sv_setsv (w->fh, path);
1062 RESET (stat, w, (w, SvPVbyte_nolen (w->fh), interval));
1063 }
1064
1065 SV *path (ev_stat *w, SV *new_path = 0)
1066 CODE:
1067 {
1068 RETVAL = SvREFCNT_inc (w->fh);
1069
1070 if (items > 1)
1071 {
1072 SvREFCNT_dec (w->fh);
1073 w->fh = newSVsv (new_path);
1074 RESET (stat, w, (w, SvPVbyte_nolen (w->fh), w->interval));
1075 }
1076 }
1077 OUTPUT:
1078 RETVAL
1079
1080 NV interval (ev_stat *w, NV new_interval = 0.)
1081 CODE:
1082 {
1083 RETVAL = w->interval;
1084
1085 if (items > 1)
1086 RESET (stat, w, (w, SvPVbyte_nolen (w->fh), new_interval));
1087 }
1088 OUTPUT:
1089 RETVAL
1090
1091 void prev (ev_stat *w)
1092 ALIAS:
1093 stat = 1
1094 attr = 2
1095 PPCODE:
1096 {
1097 ev_statdata *s = ix ? &w->attr : &w->prev;
1098
1099 if (ix == 1)
1100 ev_stat_stat (e_loop (w), w);
1101 else if (!s->st_nlink)
1102 errno = ENOENT;
1103
1104 PL_statcache.st_dev = s->st_nlink;
1105 PL_statcache.st_ino = s->st_ino;
1106 PL_statcache.st_mode = s->st_mode;
1107 PL_statcache.st_nlink = s->st_nlink;
1108 PL_statcache.st_uid = s->st_uid;
1109 PL_statcache.st_gid = s->st_gid;
1110 PL_statcache.st_rdev = s->st_rdev;
1111 PL_statcache.st_size = s->st_size;
1112 PL_statcache.st_atime = s->st_atime;
1113 PL_statcache.st_mtime = s->st_mtime;
1114 PL_statcache.st_ctime = s->st_ctime;
1115
1116 if (GIMME_V == G_SCALAR)
1117 XPUSHs (boolSV (s->st_nlink));
1118 else if (GIMME_V == G_ARRAY && s->st_nlink)
1119 {
1120 EXTEND (SP, 13);
1121 PUSHs (sv_2mortal (newSViv (s->st_dev)));
1122 PUSHs (sv_2mortal (newSViv (s->st_ino)));
1123 PUSHs (sv_2mortal (newSVuv (s->st_mode)));
1124 PUSHs (sv_2mortal (newSVuv (s->st_nlink)));
1125 PUSHs (sv_2mortal (newSViv (s->st_uid)));
1126 PUSHs (sv_2mortal (newSViv (s->st_gid)));
1127 PUSHs (sv_2mortal (newSViv (s->st_rdev)));
1128 PUSHs (sv_2mortal (newSVnv ((NV)s->st_size)));
1129 PUSHs (sv_2mortal (newSVnv (s->st_atime)));
1130 PUSHs (sv_2mortal (newSVnv (s->st_mtime)));
1131 PUSHs (sv_2mortal (newSVnv (s->st_ctime)));
1132 PUSHs (sv_2mortal (newSVuv (4096)));
1133 PUSHs (sv_2mortal (newSVnv ((NV)((s->st_size + 4095) / 4096))));
1134 }
1135 }
1136
1137 MODULE = EV PACKAGE = EV::Embed PREFIX = ev_embed_
1138
1139 void ev_embed_start (ev_embed *w)
1140 CODE:
1141 START (embed, w);
1142
1143 void ev_embed_stop (ev_embed *w)
1144 CODE:
1145 STOP (embed, w);
1146
1147 void DESTROY (ev_embed *w)
1148 CODE:
1149 STOP (embed, w);
1150 e_destroy (w);
1151
1152 void set (ev_embed *w, struct ev_loop *loop)
1153 CODE:
1154 {
1155 sv_setsv (w->fh, ST (1));
1156 RESET (embed, w, (w, loop));
1157 }
1158
1159 SV *other (ev_embed *w)
1160 CODE:
1161 RETVAL = newSVsv (w->fh);
1162 OUTPUT:
1163 RETVAL
1164
1165 void ev_embed_sweep (ev_embed *w)
1166 C_ARGS: e_loop (w), w
1167
1168 MODULE = EV PACKAGE = EV::Async PREFIX = ev_async_
1169
1170 void ev_async_start (ev_async *w)
1171 CODE:
1172 START (async, w);
1173
1174 void ev_async_stop (ev_async *w)
1175 CODE:
1176 STOP (async, w);
1177
1178 void DESTROY (ev_async *w)
1179 CODE:
1180 STOP (async, w);
1181 e_destroy (w);
1182
1183 void ev_async_send (ev_async *w)
1184 C_ARGS: e_loop (w), w
1185
1186 SV *ev_async_async_pending (ev_async *w)
1187 CODE:
1188 RETVAL = boolSV (ev_async_pending (w));
1189 OUTPUT:
1190 RETVAL
1191
1192 MODULE = EV PACKAGE = EV::Loop PREFIX = ev_
1193
1194 SV *new (SV *klass, unsigned int flags = 0)
1195 CODE:
1196 {
1197 struct ev_loop *loop = ev_loop_new (flags);
1198
1199 if (!loop)
1200 XSRETURN_UNDEF;
1201
1202 RETVAL = sv_bless (newRV_noinc (newSViv (PTR2IV (loop))), stash_loop);
1203 }
1204 OUTPUT:
1205 RETVAL
1206
1207 void DESTROY (struct ev_loop *loop)
1208 CODE:
1209 if (loop != evapi.default_loop) /* global destruction sucks */
1210 ev_loop_destroy (loop);
1211
1212 void ev_loop_fork (struct ev_loop *loop)
1213
1214 void ev_loop_verify (struct ev_loop *loop)
1215
1216 NV ev_now (struct ev_loop *loop)
1217
1218 void ev_now_update (struct ev_loop *loop)
1219
1220 void ev_set_io_collect_interval (struct ev_loop *loop, NV interval)
1221
1222 void ev_set_timeout_collect_interval (struct ev_loop *loop, NV interval)
1223
1224 unsigned int ev_backend (struct ev_loop *loop)
1225
1226 unsigned int ev_loop_count (struct ev_loop *loop)
1227
1228 void ev_loop (struct ev_loop *loop, int flags = 0)
1229
1230 void ev_unloop (struct ev_loop *loop, int how = 1)
1231
1232 void ev_feed_fd_event (struct ev_loop *loop, int fd, int revents = EV_NONE)
1233
1234 #if 0
1235
1236 void ev_feed_signal_event (struct ev_loop *loop, SV *signal)
1237 CODE:
1238 {
1239 Signal signum = sv_signum (signal);
1240 CHECK_SIG (signal, signum);
1241
1242 ev_feed_signal_event (loop, signum);
1243 }
1244
1245 #endif
1246
1247 ev_io *io (struct ev_loop *loop, SV *fh, int events, SV *cb)
1248 ALIAS:
1249 io_ns = 1
1250 CODE:
1251 {
1252 int fd = sv_fileno (fh);
1253 CHECK_FD (fh, fd);
1254
1255 RETVAL = e_new (sizeof (ev_io), cb, ST (0));
1256 RETVAL->fh = newSVsv (fh);
1257 ev_io_set (RETVAL, fd, events);
1258 if (!ix) START (io, RETVAL);
1259 }
1260 OUTPUT:
1261 RETVAL
1262
1263 ev_timer *timer (struct ev_loop *loop, NV after, NV repeat, SV *cb)
1264 ALIAS:
1265 timer_ns = 1
1266 INIT:
1267 CHECK_REPEAT (repeat);
1268 CODE:
1269 RETVAL = e_new (sizeof (ev_timer), cb, ST (0));
1270 ev_timer_set (RETVAL, after, repeat);
1271 if (!ix) START (timer, RETVAL);
1272 OUTPUT:
1273 RETVAL
1274
1275 SV *periodic (struct ev_loop *loop, NV at, NV interval, SV *reschedule_cb, SV *cb)
1276 ALIAS:
1277 periodic_ns = 1
1278 INIT:
1279 CHECK_REPEAT (interval);
1280 CODE:
1281 {
1282 ev_periodic *w;
1283 w = e_new (sizeof (ev_periodic), cb, ST (0));
1284 w->fh = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
1285 ev_periodic_set (w, at, interval, w->fh ? e_periodic_cb : 0);
1286 RETVAL = e_bless ((ev_watcher *)w, stash_periodic);
1287 if (!ix) START (periodic, w);
1288 }
1289 OUTPUT:
1290 RETVAL
1291
1292 #if 0
1293
1294 ev_signal *signal (struct ev_loop *loop, SV *signal, SV *cb)
1295 ALIAS:
1296 signal_ns = 1
1297 CODE:
1298 {
1299 Signal signum = sv_signum (signal);
1300 CHECK_SIG (signal, signum);
1301
1302 RETVAL = e_new (sizeof (ev_signal), cb, ST (0));
1303 ev_signal_set (RETVAL, signum);
1304 if (!ix) START (signal, RETVAL);
1305 }
1306 OUTPUT:
1307 RETVAL
1308
1309 #endif
1310
1311 ev_idle *idle (struct ev_loop *loop, SV *cb)
1312 ALIAS:
1313 idle_ns = 1
1314 CODE:
1315 RETVAL = e_new (sizeof (ev_idle), cb, ST (0));
1316 ev_idle_set (RETVAL);
1317 if (!ix) START (idle, RETVAL);
1318 OUTPUT:
1319 RETVAL
1320
1321 ev_prepare *prepare (struct ev_loop *loop, SV *cb)
1322 ALIAS:
1323 prepare_ns = 1
1324 CODE:
1325 RETVAL = e_new (sizeof (ev_prepare), cb, ST (0));
1326 ev_prepare_set (RETVAL);
1327 if (!ix) START (prepare, RETVAL);
1328 OUTPUT:
1329 RETVAL
1330
1331 ev_check *check (struct ev_loop *loop, SV *cb)
1332 ALIAS:
1333 check_ns = 1
1334 CODE:
1335 RETVAL = e_new (sizeof (ev_check), cb, ST (0));
1336 ev_check_set (RETVAL);
1337 if (!ix) START (check, RETVAL);
1338 OUTPUT:
1339 RETVAL
1340
1341 ev_fork *fork (struct ev_loop *loop, SV *cb)
1342 ALIAS:
1343 fork_ns = 1
1344 CODE:
1345 RETVAL = e_new (sizeof (ev_fork), cb, ST (0));
1346 ev_fork_set (RETVAL);
1347 if (!ix) START (fork, RETVAL);
1348 OUTPUT:
1349 RETVAL
1350
1351 ev_child *child (struct ev_loop *loop, int pid, int trace, SV *cb)
1352 ALIAS:
1353 child_ns = 1
1354 CODE:
1355 RETVAL = e_new (sizeof (ev_child), cb, ST (0));
1356 ev_child_set (RETVAL, pid, trace);
1357 if (!ix) START (child, RETVAL);
1358 OUTPUT:
1359 RETVAL
1360
1361 ev_stat *stat (struct ev_loop *loop, SV *path, NV interval, SV *cb)
1362 ALIAS:
1363 stat_ns = 1
1364 CODE:
1365 RETVAL = e_new (sizeof (ev_stat), cb, ST (0));
1366 RETVAL->fh = newSVsv (path);
1367 ev_stat_set (RETVAL, SvPVbyte_nolen (RETVAL->fh), interval);
1368 if (!ix) START (stat, RETVAL);
1369 OUTPUT:
1370 RETVAL
1371
1372 ev_embed *embed (struct ev_loop *loop, struct ev_loop *other, SV *cb = 0)
1373 ALIAS:
1374 embed_ns = 1
1375 CODE:
1376 {
1377 if (!(ev_backend (other) & ev_embeddable_backends ()))
1378 croak ("passed loop is not embeddable via EV::embed,");
1379
1380 RETVAL = e_new (sizeof (ev_embed), cb, ST (0));
1381 RETVAL->fh = newSVsv (ST (1));
1382 ev_embed_set (RETVAL, other);
1383 if (!ix) START (embed, RETVAL);
1384 }
1385 OUTPUT:
1386 RETVAL
1387
1388 ev_async *async (struct ev_loop *loop, SV *cb)
1389 ALIAS:
1390 async_ns = 1
1391 CODE:
1392 RETVAL = e_new (sizeof (ev_async), cb, ST (0));
1393 ev_async_set (RETVAL);
1394 if (!ix) START (async, RETVAL);
1395 OUTPUT:
1396 RETVAL
1397
1398 void once (struct ev_loop *loop, SV *fh, int events, SV *timeout, SV *cb)
1399 CODE:
1400 ev_once (
1401 loop,
1402 sv_fileno (fh), events,
1403 SvOK (timeout) ? SvNV (timeout) : -1.,
1404 e_once_cb,
1405 newSVsv (cb)
1406 );
1407