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/cvs/EV/EV.xs
Revision: 1.112
Committed: Tue May 20 23:49:41 2008 UTC (15 years, 11 months ago) by root
Branch: MAIN
CVS Tags: rel-3_41
Changes since 1.111: +22 -4 lines
Log Message:
timing changes, from <= to <

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