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/cvs/EV/EV.xs
Revision: 1.116
Committed: Tue Oct 28 08:08:28 2008 UTC (15 years, 6 months ago) by root
Branch: MAIN
Changes since 1.115: +39 -6 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 /* 5.10.0 */
30 #ifndef SvREFCNT_inc_NN
31 # define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv)
32 #endif
33
34 #if __GNUC__ >= 3
35 # define expect(expr,value) __builtin_expect ((expr),(value))
36 #else
37 # define expect(expr,value) (expr)
38 #endif
39
40 #define expect_false(expr) expect ((expr) != 0, 0)
41 #define expect_true(expr) expect ((expr) != 0, 1)
42
43 #define e_loop(w) INT2PTR (struct ev_loop *, SvIVX ((w)->loop))
44
45 #define WFLAG_KEEPALIVE 1
46
47 #define UNREF(w) \
48 if (!((w)->e_flags & WFLAG_KEEPALIVE) \
49 && !ev_is_active (w)) \
50 ev_unref (e_loop (w));
51
52 #define REF(w) \
53 if (!((w)->e_flags & WFLAG_KEEPALIVE) \
54 && ev_is_active (w)) \
55 ev_ref (e_loop (w));
56
57 #define START(type,w) \
58 do { \
59 UNREF (w); \
60 ev_ ## type ## _start (e_loop (w), w); \
61 } while (0)
62
63 #define STOP(type,w) \
64 do { \
65 REF (w); \
66 ev_ ## type ## _stop (e_loop (w), w); \
67 } while (0)
68
69 #define RESET(type,w,seta) \
70 do { \
71 int active = ev_is_active (w); \
72 if (active) STOP (type, w); \
73 ev_ ## type ## _set seta; \
74 if (active) START (type, w); \
75 } while (0)
76
77 typedef int Signal;
78
79 static SV *default_loop_sv;
80
81 static struct EVAPI evapi;
82
83 static HV
84 *stash_loop,
85 *stash_watcher,
86 *stash_io,
87 *stash_timer,
88 *stash_periodic,
89 *stash_signal,
90 *stash_child,
91 *stash_stat,
92 *stash_idle,
93 *stash_prepare,
94 *stash_check,
95 *stash_embed,
96 *stash_fork,
97 *stash_async;
98
99 #ifndef SIG_SIZE
100 /* kudos to Slaven Rezic for the idea */
101 static char sig_size [] = { SIG_NUM };
102 # define SIG_SIZE (sizeof (sig_size) + 1)
103 #endif
104
105 static Signal
106 sv_signum (SV *sig)
107 {
108 Signal signum;
109
110 SvGETMAGIC (sig);
111
112 for (signum = 1; signum < SIG_SIZE; ++signum)
113 if (strEQ (SvPV_nolen (sig), PL_sig_name [signum]))
114 return signum;
115
116 signum = SvIV (sig);
117
118 if (signum > 0 && signum < SIG_SIZE)
119 return signum;
120
121 return -1;
122 }
123
124 /////////////////////////////////////////////////////////////////////////////
125 // Event
126
127 static void e_cb (EV_P_ ev_watcher *w, int revents);
128
129 static int
130 sv_fileno (SV *fh)
131 {
132 SvGETMAGIC (fh);
133
134 if (SvROK (fh))
135 fh = SvRV (fh);
136
137 if (SvTYPE (fh) == SVt_PVGV)
138 return PerlIO_fileno (IoIFP (sv_2io (fh)));
139
140 if (SvOK (fh) && (SvIV (fh) >= 0) && (SvIV (fh) < 0x7fffffffL))
141 return SvIV (fh);
142
143 return -1;
144 }
145
146 static SV *
147 e_get_cv (SV *cb_sv)
148 {
149 HV *st;
150 GV *gvp;
151 CV *cv = sv_2cv (cb_sv, &st, &gvp, 0);
152
153 if (!cv)
154 croak ("EV watcher callback must be a CODE reference");
155
156 return (SV *)cv;
157 }
158
159 static void *
160 e_new (int size, SV *cb_sv, SV *loop)
161 {
162 SV *cv = cb_sv ? e_get_cv (cb_sv) : 0;
163 ev_watcher *w;
164 SV *self = NEWSV (0, size);
165 SvPOK_only (self);
166 SvCUR_set (self, size);
167
168 w = (ev_watcher *)SvPVX (self);
169
170 ev_init (w, cv ? e_cb : 0);
171
172 w->loop = SvREFCNT_inc (SvRV (loop));
173 w->e_flags = WFLAG_KEEPALIVE;
174 w->data = 0;
175 w->fh = 0;
176 w->cb_sv = SvREFCNT_inc (cv);
177 w->self = self;
178
179 return (void *)w;
180 }
181
182 static void
183 e_destroy (void *w_)
184 {
185 ev_watcher *w = (ev_watcher *)w_;
186
187 SvREFCNT_dec (w->loop ); w->loop = 0;
188 SvREFCNT_dec (w->fh ); w->fh = 0;
189 SvREFCNT_dec (w->cb_sv); w->cb_sv = 0;
190 SvREFCNT_dec (w->data ); w->data = 0;
191 }
192
193 static SV *
194 e_bless (ev_watcher *w, HV *stash)
195 {
196 SV *rv;
197
198 if (SvOBJECT (w->self))
199 rv = newRV_inc (w->self);
200 else
201 {
202 rv = newRV_noinc (w->self);
203 sv_bless (rv, stash);
204 SvREADONLY_on (w->self);
205 }
206
207 return rv;
208 }
209
210 static SV *sv_self_cache, *sv_events_cache;
211
212 static void
213 e_cb (EV_P_ ev_watcher *w, int revents)
214 {
215 dSP;
216 I32 mark = SP - PL_stack_base;
217 SV *sv_self, *sv_events;
218
219 if (expect_true (sv_self_cache))
220 {
221 sv_self = sv_self_cache; sv_self_cache = 0;
222 SvRV_set (sv_self, SvREFCNT_inc_NN (w->self));
223 }
224 else
225 {
226 sv_self = newRV_inc (w->self); /* w->self MUST be blessed by now */
227 SvREADONLY_on (sv_self);
228 }
229
230 if (expect_true (sv_events_cache))
231 {
232 sv_events = sv_events_cache; sv_events_cache = 0;
233 SvIV_set (sv_events, revents);
234 }
235 else
236 {
237 sv_events = newSViv (revents);
238 SvREADONLY_on (sv_events);
239 }
240
241 PUSHMARK (SP);
242 EXTEND (SP, 2);
243 PUSHs (sv_self);
244 PUSHs (sv_events);
245
246 PUTBACK;
247 call_sv (w->cb_sv, G_DISCARD | G_VOID | G_EVAL);
248
249 if (expect_false (sv_self_cache))
250 SvREFCNT_dec (sv_self);
251 else
252 {
253 SvREFCNT_dec (SvRV (sv_self));
254 SvRV_set (sv_self, &PL_sv_undef);
255 sv_self_cache = sv_self;
256 }
257
258 if (expect_false (sv_events_cache))
259 SvREFCNT_dec (sv_events);
260 else
261 sv_events_cache = sv_events;
262
263 if (SvTRUE (ERRSV))
264 {
265 SPAGAIN;
266 PUSHMARK (SP);
267 PUTBACK;
268 call_sv (get_sv ("EV::DIED", 1), G_DISCARD | G_VOID | G_EVAL | G_KEEPERR);
269 }
270
271 SP = PL_stack_base + mark;
272 PUTBACK;
273 }
274
275 static void
276 e_once_cb (int revents, void *arg)
277 {
278 dSP;
279 I32 mark = SP - PL_stack_base;
280 SV *sv_events;
281
282 if (sv_events_cache)
283 {
284 sv_events = sv_events_cache; sv_events_cache = 0;
285 SvIV_set (sv_events, revents);
286 }
287 else
288 sv_events = newSViv (revents);
289
290 PUSHMARK (SP);
291 XPUSHs (sv_events);
292
293 PUTBACK;
294 call_sv ((SV *)arg, G_DISCARD | G_VOID | G_EVAL);
295
296 SvREFCNT_dec ((SV *)arg);
297
298 if (sv_events_cache)
299 SvREFCNT_dec (sv_events);
300 else
301 sv_events_cache = sv_events;
302
303 if (SvTRUE (ERRSV))
304 {
305 SPAGAIN;
306 PUSHMARK (SP);
307 PUTBACK;
308 call_sv (get_sv ("EV::DIED", 1), G_DISCARD | G_VOID | G_EVAL | G_KEEPERR);
309 }
310
311 SP = PL_stack_base + mark;
312 PUTBACK;
313 }
314
315 static ev_tstamp
316 e_periodic_cb (ev_periodic *w, ev_tstamp now)
317 {
318 ev_tstamp retval;
319 int count;
320 dSP;
321
322 ENTER;
323 SAVETMPS;
324
325 PUSHMARK (SP);
326 EXTEND (SP, 2);
327 PUSHs (newRV_inc (w->self)); /* w->self MUST be blessed by now */
328 PUSHs (newSVnv (now));
329
330 PUTBACK;
331 count = call_sv (w->fh, G_SCALAR | G_EVAL);
332 SPAGAIN;
333
334 if (SvTRUE (ERRSV))
335 {
336 PUSHMARK (SP);
337 PUTBACK;
338 call_sv (get_sv ("EV::DIED", 1), G_DISCARD | G_VOID | G_EVAL | G_KEEPERR);
339 SPAGAIN;
340 }
341
342 if (count > 0)
343 {
344 retval = SvNV (TOPs);
345
346 if (retval < now)
347 retval = now;
348 }
349 else
350 retval = now;
351
352 FREETMPS;
353 LEAVE;
354
355 return retval;
356 }
357
358 #define CHECK_REPEAT(repeat) if (repeat < 0.) \
359 croak (# repeat " value must be >= 0");
360
361 #define CHECK_FD(fh,fd) if ((fd) < 0) \
362 croak ("illegal file descriptor or filehandle (either no attached file descriptor or illegal value): %s", SvPV_nolen (fh));
363
364 #define CHECK_SIG(sv,num) if ((num) < 0) \
365 croak ("illegal signal number or name: %s", SvPV_nolen (sv));
366
367 /////////////////////////////////////////////////////////////////////////////
368 // XS interface functions
369
370 MODULE = EV PACKAGE = EV PREFIX = ev_
371
372 PROTOTYPES: ENABLE
373
374 BOOT:
375 {
376 HV *stash = gv_stashpv ("EV", 1);
377
378 static const struct {
379 const char *name;
380 IV iv;
381 } *civ, const_iv[] = {
382 # define const_iv(pfx, name) { # name, (IV) pfx ## name },
383 const_iv (EV_, MINPRI)
384 const_iv (EV_, MAXPRI)
385
386 const_iv (EV_, UNDEF)
387 const_iv (EV_, NONE)
388 const_iv (EV_, TIMEOUT)
389 const_iv (EV_, READ)
390 const_iv (EV_, WRITE)
391 const_iv (EV_, SIGNAL)
392 const_iv (EV_, IDLE)
393 const_iv (EV_, CHECK)
394 const_iv (EV_, ERROR)
395
396 const_iv (EV, LOOP_ONESHOT)
397 const_iv (EV, LOOP_NONBLOCK)
398 const_iv (EV, UNLOOP_ONE)
399 const_iv (EV, UNLOOP_ALL)
400
401 const_iv (EV, BACKEND_SELECT)
402 const_iv (EV, BACKEND_POLL)
403 const_iv (EV, BACKEND_EPOLL)
404 const_iv (EV, BACKEND_KQUEUE)
405 const_iv (EV, BACKEND_DEVPOLL)
406 const_iv (EV, BACKEND_PORT)
407 const_iv (EV, FLAG_AUTO)
408 const_iv (EV, FLAG_NOENV)
409 const_iv (EV, FLAG_FORKCHECK)
410 };
411
412 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
413 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
414
415 stash_loop = gv_stashpv ("EV::Loop" , 1);
416 stash_watcher = gv_stashpv ("EV::Watcher" , 1);
417 stash_io = gv_stashpv ("EV::IO" , 1);
418 stash_timer = gv_stashpv ("EV::Timer" , 1);
419 stash_periodic = gv_stashpv ("EV::Periodic", 1);
420 stash_signal = gv_stashpv ("EV::Signal" , 1);
421 stash_idle = gv_stashpv ("EV::Idle" , 1);
422 stash_prepare = gv_stashpv ("EV::Prepare" , 1);
423 stash_check = gv_stashpv ("EV::Check" , 1);
424 stash_child = gv_stashpv ("EV::Child" , 1);
425 stash_embed = gv_stashpv ("EV::Embed" , 1);
426 stash_stat = gv_stashpv ("EV::Stat" , 1);
427 stash_fork = gv_stashpv ("EV::Fork" , 1);
428 stash_async = gv_stashpv ("EV::Async" , 1);
429
430 {
431 SV *sv = perl_get_sv ("EV::API", TRUE);
432 perl_get_sv ("EV::API", TRUE); /* silence 5.10 warning */
433
434 /* the poor man's shared library emulator */
435 evapi.ver = EV_API_VERSION;
436 evapi.rev = EV_API_REVISION;
437 evapi.sv_fileno = sv_fileno;
438 evapi.sv_signum = sv_signum;
439 evapi.supported_backends = ev_supported_backends ();
440 evapi.recommended_backends = ev_recommended_backends ();
441 evapi.embeddable_backends = ev_embeddable_backends ();
442 evapi.time_ = ev_time;
443 evapi.sleep_ = ev_sleep;
444 evapi.loop_new = ev_loop_new;
445 evapi.loop_destroy = ev_loop_destroy;
446 evapi.loop_fork = ev_loop_fork;
447 evapi.loop_count = ev_loop_count;
448 evapi.now = ev_now;
449 evapi.now_update = ev_now_update;
450 evapi.backend = ev_backend;
451 evapi.unloop = ev_unloop;
452 evapi.ref = ev_ref;
453 evapi.unref = ev_unref;
454 evapi.loop = ev_loop;
455 evapi.once = ev_once;
456 evapi.io_start = ev_io_start;
457 evapi.io_stop = ev_io_stop;
458 evapi.timer_start = ev_timer_start;
459 evapi.timer_stop = ev_timer_stop;
460 evapi.timer_again = ev_timer_again;
461 evapi.periodic_start = ev_periodic_start;
462 evapi.periodic_stop = ev_periodic_stop;
463 evapi.signal_start = ev_signal_start;
464 evapi.signal_stop = ev_signal_stop;
465 evapi.idle_start = ev_idle_start;
466 evapi.idle_stop = ev_idle_stop;
467 evapi.prepare_start = ev_prepare_start;
468 evapi.prepare_stop = ev_prepare_stop;
469 evapi.check_start = ev_check_start;
470 evapi.check_stop = ev_check_stop;
471 evapi.child_start = ev_child_start;
472 evapi.child_stop = ev_child_stop;
473 evapi.stat_start = ev_stat_start;
474 evapi.stat_stop = ev_stat_stop;
475 evapi.stat_stat = ev_stat_stat;
476 evapi.embed_start = ev_embed_start;
477 evapi.embed_stop = ev_embed_stop;
478 evapi.embed_sweep = ev_embed_sweep;
479 evapi.fork_start = ev_fork_start;
480 evapi.fork_stop = ev_fork_stop;
481 evapi.async_start = ev_async_start;
482 evapi.async_stop = ev_async_stop;
483 evapi.async_send = ev_async_send;
484 evapi.clear_pending = ev_clear_pending;
485 evapi.invoke = ev_invoke;
486
487 sv_setiv (sv, (IV)&evapi);
488 SvREADONLY_on (sv);
489 }
490 #ifndef _WIN32
491 pthread_atfork (0, 0, ev_default_fork);
492 #endif
493 }
494
495 SV *ev_default_loop (unsigned int flags = 0)
496 CODE:
497 {
498 if (!default_loop_sv)
499 {
500 evapi.default_loop = ev_default_loop (flags);
501
502 if (!evapi.default_loop)
503 XSRETURN_UNDEF;
504
505 default_loop_sv = sv_bless (newRV_noinc (newSViv (PTR2IV (evapi.default_loop))), stash_loop);
506 }
507
508 RETVAL = newSVsv (default_loop_sv);
509 }
510 OUTPUT:
511 RETVAL
512
513 void ev_default_destroy ()
514 CODE:
515 ev_default_destroy ();
516 SvREFCNT_dec (default_loop_sv);
517 default_loop_sv = 0;
518
519 unsigned int ev_supported_backends ()
520
521 unsigned int ev_recommended_backends ()
522
523 unsigned int ev_embeddable_backends ()
524
525 NV ev_time ()
526
527 NV ev_now ()
528 C_ARGS: evapi.default_loop
529
530 void ev_now_update ()
531 C_ARGS: evapi.default_loop
532
533 unsigned int ev_backend ()
534 C_ARGS: evapi.default_loop
535
536 unsigned int ev_loop_count ()
537 C_ARGS: evapi.default_loop
538
539 void ev_set_io_collect_interval (NV interval)
540 C_ARGS: evapi.default_loop, interval
541
542 void ev_set_timeout_collect_interval (NV interval)
543 C_ARGS: evapi.default_loop, interval
544
545 void ev_loop (int flags = 0)
546 C_ARGS: evapi.default_loop, flags
547
548 void ev_unloop (int how = EVUNLOOP_ONE)
549 C_ARGS: evapi.default_loop, how
550
551 void ev_feed_fd_event (int fd, int revents = EV_NONE)
552 C_ARGS: evapi.default_loop, fd, revents
553
554 void ev_feed_signal_event (SV *signal)
555 CODE:
556 {
557 Signal signum = sv_signum (signal);
558 CHECK_SIG (signal, signum);
559
560 ev_feed_signal_event (evapi.default_loop, signum);
561 }
562
563 ev_io *io (SV *fh, int events, SV *cb)
564 ALIAS:
565 io_ns = 1
566 CODE:
567 {
568 int fd = sv_fileno (fh);
569 CHECK_FD (fh, fd);
570
571 RETVAL = e_new (sizeof (ev_io), cb, default_loop_sv);
572 RETVAL->fh = newSVsv (fh);
573 ev_io_set (RETVAL, fd, events);
574 if (!ix) START (io, RETVAL);
575 }
576 OUTPUT:
577 RETVAL
578
579 ev_timer *timer (NV after, NV repeat, SV *cb)
580 ALIAS:
581 timer_ns = 1
582 INIT:
583 CHECK_REPEAT (repeat);
584 CODE:
585 RETVAL = e_new (sizeof (ev_timer), cb, default_loop_sv);
586 ev_timer_set (RETVAL, after, repeat);
587 if (!ix) START (timer, RETVAL);
588 OUTPUT:
589 RETVAL
590
591 SV *periodic (NV at, NV interval, SV *reschedule_cb, SV *cb)
592 ALIAS:
593 periodic_ns = 1
594 INIT:
595 CHECK_REPEAT (interval);
596 CODE:
597 {
598 ev_periodic *w;
599 w = e_new (sizeof (ev_periodic), cb, default_loop_sv);
600 w->fh = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
601 ev_periodic_set (w, at, interval, w->fh ? e_periodic_cb : 0);
602 RETVAL = e_bless ((ev_watcher *)w, stash_periodic);
603 if (!ix) START (periodic, w);
604 }
605 OUTPUT:
606 RETVAL
607
608 ev_signal *signal (SV *signal, SV *cb)
609 ALIAS:
610 signal_ns = 1
611 CODE:
612 {
613 Signal signum = sv_signum (signal);
614 CHECK_SIG (signal, signum);
615
616 RETVAL = e_new (sizeof (ev_signal), cb, default_loop_sv);
617 ev_signal_set (RETVAL, signum);
618 if (!ix) START (signal, RETVAL);
619 }
620 OUTPUT:
621 RETVAL
622
623 ev_idle *idle (SV *cb)
624 ALIAS:
625 idle_ns = 1
626 CODE:
627 RETVAL = e_new (sizeof (ev_idle), cb, default_loop_sv);
628 ev_idle_set (RETVAL);
629 if (!ix) START (idle, RETVAL);
630 OUTPUT:
631 RETVAL
632
633 ev_prepare *prepare (SV *cb)
634 ALIAS:
635 prepare_ns = 1
636 CODE:
637 RETVAL = e_new (sizeof (ev_prepare), cb, default_loop_sv);
638 ev_prepare_set (RETVAL);
639 if (!ix) START (prepare, RETVAL);
640 OUTPUT:
641 RETVAL
642
643 ev_check *check (SV *cb)
644 ALIAS:
645 check_ns = 1
646 CODE:
647 RETVAL = e_new (sizeof (ev_check), cb, default_loop_sv);
648 ev_check_set (RETVAL);
649 if (!ix) START (check, RETVAL);
650 OUTPUT:
651 RETVAL
652
653 ev_fork *fork (SV *cb)
654 ALIAS:
655 fork_ns = 1
656 CODE:
657 RETVAL = e_new (sizeof (ev_fork), cb, default_loop_sv);
658 ev_fork_set (RETVAL);
659 if (!ix) START (fork, RETVAL);
660 OUTPUT:
661 RETVAL
662
663 ev_child *child (int pid, int trace, SV *cb)
664 ALIAS:
665 child_ns = 1
666 CODE:
667 RETVAL = e_new (sizeof (ev_child), cb, default_loop_sv);
668 ev_child_set (RETVAL, pid, trace);
669 if (!ix) START (child, RETVAL);
670 OUTPUT:
671 RETVAL
672
673 ev_stat *stat (SV *path, NV interval, SV *cb)
674 ALIAS:
675 stat_ns = 1
676 CODE:
677 RETVAL = e_new (sizeof (ev_stat), cb, default_loop_sv);
678 RETVAL->fh = newSVsv (path);
679 ev_stat_set (RETVAL, SvPVbyte_nolen (RETVAL->fh), interval);
680 if (!ix) START (stat, RETVAL);
681 OUTPUT:
682 RETVAL
683
684 ev_embed *embed (struct ev_loop *loop, SV *cb = 0)
685 ALIAS:
686 embed_ns = 1
687 CODE:
688 {
689 if (!(ev_backend (loop) & ev_embeddable_backends ()))
690 croak ("passed loop is not embeddable via EV::embed,");
691
692 RETVAL = e_new (sizeof (ev_embed), cb, default_loop_sv);
693 RETVAL->fh = newSVsv (ST (0));
694 ev_embed_set (RETVAL, loop);
695 if (!ix) START (embed, RETVAL);
696 }
697 OUTPUT:
698 RETVAL
699
700 ev_async *async (SV *cb)
701 ALIAS:
702 async_ns = 1
703 CODE:
704 RETVAL = e_new (sizeof (ev_async), cb, default_loop_sv);
705 ev_async_set (RETVAL);
706 if (!ix) START (async, RETVAL);
707 OUTPUT:
708 RETVAL
709
710 void once (SV *fh, int events, SV *timeout, SV *cb)
711 CODE:
712 ev_once (
713 evapi.default_loop,
714 sv_fileno (fh), events,
715 SvOK (timeout) ? SvNV (timeout) : -1.,
716 e_once_cb,
717 newSVsv (cb)
718 );
719
720 PROTOTYPES: DISABLE
721
722 MODULE = EV PACKAGE = EV::Watcher PREFIX = ev_
723
724 int ev_is_active (ev_watcher *w)
725
726 int ev_is_pending (ev_watcher *w)
727
728 void ev_invoke (ev_watcher *w, int revents = EV_NONE)
729 C_ARGS: e_loop (w), w, revents
730
731 int ev_clear_pending (ev_watcher *w)
732 C_ARGS: e_loop (w), w
733
734 void ev_feed_event (ev_watcher *w, int revents = EV_NONE)
735 C_ARGS: e_loop (w), w, revents
736
737 int keepalive (ev_watcher *w, int new_value = 0)
738 CODE:
739 {
740 RETVAL = w->e_flags & WFLAG_KEEPALIVE;
741 new_value = new_value ? WFLAG_KEEPALIVE : 0;
742
743 if (items > 1 && ((new_value ^ w->e_flags) & WFLAG_KEEPALIVE))
744 {
745 REF (w);
746 w->e_flags = (w->e_flags & ~WFLAG_KEEPALIVE) | new_value;
747 UNREF (w);
748 }
749 }
750 OUTPUT:
751 RETVAL
752
753 SV *cb (ev_watcher *w, SV *new_cb = 0)
754 CODE:
755 {
756 if (items > 1)
757 {
758 new_cb = e_get_cv (new_cb);
759 RETVAL = newRV_noinc (w->cb_sv);
760 w->cb_sv = SvREFCNT_inc (new_cb);
761 }
762 else
763 RETVAL = newRV_inc (w->cb_sv);
764 }
765 OUTPUT:
766 RETVAL
767
768 SV *data (ev_watcher *w, SV *new_data = 0)
769 CODE:
770 {
771 RETVAL = w->data ? newSVsv (w->data) : &PL_sv_undef;
772
773 if (items > 1)
774 {
775 SvREFCNT_dec (w->data);
776 w->data = newSVsv (new_data);
777 }
778 }
779 OUTPUT:
780 RETVAL
781
782 SV *loop (ev_watcher *w)
783 CODE:
784 RETVAL = newRV_inc (w->loop);
785 OUTPUT:
786 RETVAL
787
788 int priority (ev_watcher *w, int new_priority = 0)
789 CODE:
790 {
791 RETVAL = w->priority;
792
793 if (items > 1)
794 {
795 int active = ev_is_active (w);
796
797 if (active)
798 {
799 /* grrr. */
800 PUSHMARK (SP);
801 XPUSHs (ST (0));
802 PUTBACK;
803 call_method ("stop", G_DISCARD | G_VOID);
804 }
805
806 ev_set_priority (w, new_priority);
807
808 if (active)
809 {
810 PUSHMARK (SP);
811 XPUSHs (ST (0));
812 PUTBACK;
813 call_method ("start", G_DISCARD | G_VOID);
814 }
815 }
816 }
817 OUTPUT:
818 RETVAL
819
820 MODULE = EV PACKAGE = EV::IO PREFIX = ev_io_
821
822 void ev_io_start (ev_io *w)
823 CODE:
824 START (io, w);
825
826 void ev_io_stop (ev_io *w)
827 CODE:
828 STOP (io, w);
829
830 void DESTROY (ev_io *w)
831 CODE:
832 STOP (io, w);
833 e_destroy (w);
834
835 void set (ev_io *w, SV *fh, int events)
836 CODE:
837 {
838 int fd = sv_fileno (fh);
839 CHECK_FD (fh, fd);
840
841 sv_setsv (w->fh, fh);
842 RESET (io, w, (w, fd, events));
843 }
844
845 SV *fh (ev_io *w, SV *new_fh = 0)
846 CODE:
847 {
848 if (items > 1)
849 {
850 int fd = sv_fileno (new_fh);
851 CHECK_FD (new_fh, fd);
852
853 RETVAL = w->fh;
854 w->fh = newSVsv (new_fh);
855
856 RESET (io, w, (w, fd, w->events));
857 }
858 else
859 RETVAL = newSVsv (w->fh);
860 }
861 OUTPUT:
862 RETVAL
863
864 int events (ev_io *w, int new_events = EV_UNDEF)
865 CODE:
866 {
867 RETVAL = w->events;
868
869 if (items > 1)
870 RESET (io, w, (w, w->fd, new_events));
871 }
872 OUTPUT:
873 RETVAL
874
875 MODULE = EV PACKAGE = EV::Signal PREFIX = ev_signal_
876
877 void ev_signal_start (ev_signal *w)
878 CODE:
879 START (signal, w);
880
881 void ev_signal_stop (ev_signal *w)
882 CODE:
883 STOP (signal, w);
884
885 void DESTROY (ev_signal *w)
886 CODE:
887 STOP (signal, w);
888 e_destroy (w);
889
890 void set (ev_signal *w, SV *signal)
891 CODE:
892 {
893 Signal signum = sv_signum (signal);
894 CHECK_SIG (signal, signum);
895
896 RESET (signal, w, (w, signum));
897 }
898
899 int signal (ev_signal *w, SV *new_signal = 0)
900 CODE:
901 {
902 RETVAL = w->signum;
903
904 if (items > 1)
905 {
906 Signal signum = sv_signum (new_signal);
907 CHECK_SIG (new_signal, signum);
908
909 RESET (signal, w, (w, signum));
910 }
911 }
912 OUTPUT:
913 RETVAL
914
915 MODULE = EV PACKAGE = EV::Timer PREFIX = ev_timer_
916
917 void ev_timer_start (ev_timer *w)
918 INIT:
919 CHECK_REPEAT (w->repeat);
920 CODE:
921 START (timer, w);
922
923 void ev_timer_stop (ev_timer *w)
924 CODE:
925 STOP (timer, w);
926
927 void ev_timer_again (ev_timer *w)
928 INIT:
929 CHECK_REPEAT (w->repeat);
930 CODE:
931 REF (w);
932 ev_timer_again (e_loop (w), w);
933 UNREF (w);
934
935 void DESTROY (ev_timer *w)
936 CODE:
937 STOP (timer, w);
938 e_destroy (w);
939
940 void set (ev_timer *w, NV after, NV repeat = 0.)
941 INIT:
942 CHECK_REPEAT (repeat);
943 CODE:
944 RESET (timer, w, (w, after, repeat));
945
946 MODULE = EV PACKAGE = EV::Periodic PREFIX = ev_periodic_
947
948 void ev_periodic_start (ev_periodic *w)
949 INIT:
950 CHECK_REPEAT (w->interval);
951 CODE:
952 START (periodic, w);
953
954 void ev_periodic_stop (ev_periodic *w)
955 CODE:
956 STOP (periodic, w);
957
958 void ev_periodic_again (ev_periodic *w)
959 CODE:
960 REF (w);
961 ev_periodic_again (e_loop (w), w);
962 UNREF (w);
963
964 void DESTROY (ev_periodic *w)
965 CODE:
966 STOP (periodic, w);
967 e_destroy (w);
968
969 void set (ev_periodic *w, NV at, NV interval = 0., SV *reschedule_cb = &PL_sv_undef)
970 INIT:
971 CHECK_REPEAT (interval);
972 CODE:
973 {
974 SvREFCNT_dec (w->fh);
975 w->fh = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
976
977 RESET (periodic, w, (w, at, interval, w->fh ? e_periodic_cb : 0));
978 }
979
980 NV at (ev_periodic *w)
981 CODE:
982 RETVAL = ev_periodic_at (w);
983 OUTPUT:
984 RETVAL
985
986 MODULE = EV PACKAGE = EV::Idle PREFIX = ev_idle_
987
988 void ev_idle_start (ev_idle *w)
989 CODE:
990 START (idle, w);
991
992 void ev_idle_stop (ev_idle *w)
993 CODE:
994 STOP (idle, w);
995
996 void DESTROY (ev_idle *w)
997 CODE:
998 STOP (idle, w);
999 e_destroy (w);
1000
1001 MODULE = EV PACKAGE = EV::Prepare PREFIX = ev_prepare_
1002
1003 void ev_prepare_start (ev_prepare *w)
1004 CODE:
1005 START (prepare, w);
1006
1007 void ev_prepare_stop (ev_prepare *w)
1008 CODE:
1009 STOP (prepare, w);
1010
1011 void DESTROY (ev_prepare *w)
1012 CODE:
1013 STOP (prepare, w);
1014 e_destroy (w);
1015
1016 MODULE = EV PACKAGE = EV::Check PREFIX = ev_check_
1017
1018 void ev_check_start (ev_check *w)
1019 CODE:
1020 START (check, w);
1021
1022 void ev_check_stop (ev_check *w)
1023 CODE:
1024 STOP (check, w);
1025
1026 void DESTROY (ev_check *w)
1027 CODE:
1028 STOP (check, w);
1029 e_destroy (w);
1030
1031 MODULE = EV PACKAGE = EV::Fork PREFIX = ev_fork_
1032
1033 void ev_fork_start (ev_fork *w)
1034 CODE:
1035 START (fork, w);
1036
1037 void ev_fork_stop (ev_fork *w)
1038 CODE:
1039 STOP (fork, w);
1040
1041 void DESTROY (ev_fork *w)
1042 CODE:
1043 STOP (fork, w);
1044 e_destroy (w);
1045
1046 MODULE = EV PACKAGE = EV::Child PREFIX = ev_child_
1047
1048 void ev_child_start (ev_child *w)
1049 CODE:
1050 START (child, w);
1051
1052 void ev_child_stop (ev_child *w)
1053 CODE:
1054 STOP (child, w);
1055
1056 void DESTROY (ev_child *w)
1057 CODE:
1058 STOP (child, w);
1059 e_destroy (w);
1060
1061 void set (ev_child *w, int pid, int trace)
1062 CODE:
1063 RESET (child, w, (w, pid, trace));
1064
1065 int pid (ev_child *w)
1066 ALIAS:
1067 rpid = 1
1068 rstatus = 2
1069 CODE:
1070 RETVAL = ix == 0 ? w->pid
1071 : ix == 1 ? w->rpid
1072 : w->rstatus;
1073 OUTPUT:
1074 RETVAL
1075
1076 MODULE = EV PACKAGE = EV::Stat PREFIX = ev_stat_
1077
1078 void ev_stat_start (ev_stat *w)
1079 CODE:
1080 START (stat, w);
1081
1082 void ev_stat_stop (ev_stat *w)
1083 CODE:
1084 STOP (stat, w);
1085
1086 void DESTROY (ev_stat *w)
1087 CODE:
1088 STOP (stat, w);
1089 e_destroy (w);
1090
1091 void set (ev_stat *w, SV *path, NV interval)
1092 CODE:
1093 {
1094 sv_setsv (w->fh, path);
1095 RESET (stat, w, (w, SvPVbyte_nolen (w->fh), interval));
1096 }
1097
1098 SV *path (ev_stat *w, SV *new_path = 0)
1099 CODE:
1100 {
1101 RETVAL = SvREFCNT_inc (w->fh);
1102
1103 if (items > 1)
1104 {
1105 SvREFCNT_dec (w->fh);
1106 w->fh = newSVsv (new_path);
1107 RESET (stat, w, (w, SvPVbyte_nolen (w->fh), w->interval));
1108 }
1109 }
1110 OUTPUT:
1111 RETVAL
1112
1113 NV interval (ev_stat *w, NV new_interval = 0.)
1114 CODE:
1115 {
1116 RETVAL = w->interval;
1117
1118 if (items > 1)
1119 RESET (stat, w, (w, SvPVbyte_nolen (w->fh), new_interval));
1120 }
1121 OUTPUT:
1122 RETVAL
1123
1124 void prev (ev_stat *w)
1125 ALIAS:
1126 stat = 1
1127 attr = 2
1128 PPCODE:
1129 {
1130 ev_statdata *s = ix ? &w->attr : &w->prev;
1131
1132 if (ix == 1)
1133 ev_stat_stat (e_loop (w), w);
1134 else if (!s->st_nlink)
1135 errno = ENOENT;
1136
1137 PL_statcache.st_dev = s->st_nlink;
1138 PL_statcache.st_ino = s->st_ino;
1139 PL_statcache.st_mode = s->st_mode;
1140 PL_statcache.st_nlink = s->st_nlink;
1141 PL_statcache.st_uid = s->st_uid;
1142 PL_statcache.st_gid = s->st_gid;
1143 PL_statcache.st_rdev = s->st_rdev;
1144 PL_statcache.st_size = s->st_size;
1145 PL_statcache.st_atime = s->st_atime;
1146 PL_statcache.st_mtime = s->st_mtime;
1147 PL_statcache.st_ctime = s->st_ctime;
1148
1149 if (GIMME_V == G_SCALAR)
1150 XPUSHs (boolSV (s->st_nlink));
1151 else if (GIMME_V == G_ARRAY && s->st_nlink)
1152 {
1153 EXTEND (SP, 13);
1154 PUSHs (sv_2mortal (newSViv (s->st_dev)));
1155 PUSHs (sv_2mortal (newSViv (s->st_ino)));
1156 PUSHs (sv_2mortal (newSVuv (s->st_mode)));
1157 PUSHs (sv_2mortal (newSVuv (s->st_nlink)));
1158 PUSHs (sv_2mortal (newSViv (s->st_uid)));
1159 PUSHs (sv_2mortal (newSViv (s->st_gid)));
1160 PUSHs (sv_2mortal (newSViv (s->st_rdev)));
1161 PUSHs (sv_2mortal (newSVnv ((NV)s->st_size)));
1162 PUSHs (sv_2mortal (newSVnv (s->st_atime)));
1163 PUSHs (sv_2mortal (newSVnv (s->st_mtime)));
1164 PUSHs (sv_2mortal (newSVnv (s->st_ctime)));
1165 PUSHs (sv_2mortal (newSVuv (4096)));
1166 PUSHs (sv_2mortal (newSVnv ((NV)((s->st_size + 4095) / 4096))));
1167 }
1168 }
1169
1170 MODULE = EV PACKAGE = EV::Embed PREFIX = ev_embed_
1171
1172 void ev_embed_start (ev_embed *w)
1173 CODE:
1174 START (embed, w);
1175
1176 void ev_embed_stop (ev_embed *w)
1177 CODE:
1178 STOP (embed, w);
1179
1180 void DESTROY (ev_embed *w)
1181 CODE:
1182 STOP (embed, w);
1183 e_destroy (w);
1184
1185 void set (ev_embed *w, struct ev_loop *loop)
1186 CODE:
1187 {
1188 sv_setsv (w->fh, ST (1));
1189 RESET (embed, w, (w, loop));
1190 }
1191
1192 SV *other (ev_embed *w)
1193 CODE:
1194 RETVAL = newSVsv (w->fh);
1195 OUTPUT:
1196 RETVAL
1197
1198 void ev_embed_sweep (ev_embed *w)
1199 C_ARGS: e_loop (w), w
1200
1201 MODULE = EV PACKAGE = EV::Async PREFIX = ev_async_
1202
1203 void ev_async_start (ev_async *w)
1204 CODE:
1205 START (async, w);
1206
1207 void ev_async_stop (ev_async *w)
1208 CODE:
1209 STOP (async, w);
1210
1211 void DESTROY (ev_async *w)
1212 CODE:
1213 STOP (async, w);
1214 e_destroy (w);
1215
1216 void ev_async_send (ev_async *w)
1217 C_ARGS: e_loop (w), w
1218
1219 SV *ev_async_async_pending (ev_async *w)
1220 CODE:
1221 RETVAL = boolSV (ev_async_pending (w));
1222 OUTPUT:
1223 RETVAL
1224
1225 MODULE = EV PACKAGE = EV::Loop PREFIX = ev_
1226
1227 SV *new (SV *klass, unsigned int flags = 0)
1228 CODE:
1229 {
1230 struct ev_loop *loop = ev_loop_new (flags);
1231
1232 if (!loop)
1233 XSRETURN_UNDEF;
1234
1235 RETVAL = sv_bless (newRV_noinc (newSViv (PTR2IV (loop))), stash_loop);
1236 }
1237 OUTPUT:
1238 RETVAL
1239
1240 void DESTROY (struct ev_loop *loop)
1241 CODE:
1242 if (loop != evapi.default_loop) /* global destruction sucks */
1243 ev_loop_destroy (loop);
1244
1245 void ev_loop_fork (struct ev_loop *loop)
1246
1247 void ev_loop_verify (struct ev_loop *loop)
1248
1249 NV ev_now (struct ev_loop *loop)
1250
1251 void ev_now_update (struct ev_loop *loop)
1252
1253 void ev_set_io_collect_interval (struct ev_loop *loop, NV interval)
1254
1255 void ev_set_timeout_collect_interval (struct ev_loop *loop, NV interval)
1256
1257 unsigned int ev_backend (struct ev_loop *loop)
1258
1259 unsigned int ev_loop_count (struct ev_loop *loop)
1260
1261 void ev_loop (struct ev_loop *loop, int flags = 0)
1262
1263 void ev_unloop (struct ev_loop *loop, int how = 1)
1264
1265 void ev_feed_fd_event (struct ev_loop *loop, int fd, int revents = EV_NONE)
1266
1267 #if 0
1268
1269 void ev_feed_signal_event (struct ev_loop *loop, SV *signal)
1270 CODE:
1271 {
1272 Signal signum = sv_signum (signal);
1273 CHECK_SIG (signal, signum);
1274
1275 ev_feed_signal_event (loop, signum);
1276 }
1277
1278 #endif
1279
1280 ev_io *io (struct ev_loop *loop, SV *fh, int events, SV *cb)
1281 ALIAS:
1282 io_ns = 1
1283 CODE:
1284 {
1285 int fd = sv_fileno (fh);
1286 CHECK_FD (fh, fd);
1287
1288 RETVAL = e_new (sizeof (ev_io), cb, ST (0));
1289 RETVAL->fh = newSVsv (fh);
1290 ev_io_set (RETVAL, fd, events);
1291 if (!ix) START (io, RETVAL);
1292 }
1293 OUTPUT:
1294 RETVAL
1295
1296 ev_timer *timer (struct ev_loop *loop, NV after, NV repeat, SV *cb)
1297 ALIAS:
1298 timer_ns = 1
1299 INIT:
1300 CHECK_REPEAT (repeat);
1301 CODE:
1302 RETVAL = e_new (sizeof (ev_timer), cb, ST (0));
1303 ev_timer_set (RETVAL, after, repeat);
1304 if (!ix) START (timer, RETVAL);
1305 OUTPUT:
1306 RETVAL
1307
1308 SV *periodic (struct ev_loop *loop, NV at, NV interval, SV *reschedule_cb, SV *cb)
1309 ALIAS:
1310 periodic_ns = 1
1311 INIT:
1312 CHECK_REPEAT (interval);
1313 CODE:
1314 {
1315 ev_periodic *w;
1316 w = e_new (sizeof (ev_periodic), cb, ST (0));
1317 w->fh = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
1318 ev_periodic_set (w, at, interval, w->fh ? e_periodic_cb : 0);
1319 RETVAL = e_bless ((ev_watcher *)w, stash_periodic);
1320 if (!ix) START (periodic, w);
1321 }
1322 OUTPUT:
1323 RETVAL
1324
1325 #if 0
1326
1327 ev_signal *signal (struct ev_loop *loop, SV *signal, SV *cb)
1328 ALIAS:
1329 signal_ns = 1
1330 CODE:
1331 {
1332 Signal signum = sv_signum (signal);
1333 CHECK_SIG (signal, signum);
1334
1335 RETVAL = e_new (sizeof (ev_signal), cb, ST (0));
1336 ev_signal_set (RETVAL, signum);
1337 if (!ix) START (signal, RETVAL);
1338 }
1339 OUTPUT:
1340 RETVAL
1341
1342 #endif
1343
1344 ev_idle *idle (struct ev_loop *loop, SV *cb)
1345 ALIAS:
1346 idle_ns = 1
1347 CODE:
1348 RETVAL = e_new (sizeof (ev_idle), cb, ST (0));
1349 ev_idle_set (RETVAL);
1350 if (!ix) START (idle, RETVAL);
1351 OUTPUT:
1352 RETVAL
1353
1354 ev_prepare *prepare (struct ev_loop *loop, SV *cb)
1355 ALIAS:
1356 prepare_ns = 1
1357 CODE:
1358 RETVAL = e_new (sizeof (ev_prepare), cb, ST (0));
1359 ev_prepare_set (RETVAL);
1360 if (!ix) START (prepare, RETVAL);
1361 OUTPUT:
1362 RETVAL
1363
1364 ev_check *check (struct ev_loop *loop, SV *cb)
1365 ALIAS:
1366 check_ns = 1
1367 CODE:
1368 RETVAL = e_new (sizeof (ev_check), cb, ST (0));
1369 ev_check_set (RETVAL);
1370 if (!ix) START (check, RETVAL);
1371 OUTPUT:
1372 RETVAL
1373
1374 ev_fork *fork (struct ev_loop *loop, SV *cb)
1375 ALIAS:
1376 fork_ns = 1
1377 CODE:
1378 RETVAL = e_new (sizeof (ev_fork), cb, ST (0));
1379 ev_fork_set (RETVAL);
1380 if (!ix) START (fork, RETVAL);
1381 OUTPUT:
1382 RETVAL
1383
1384 ev_child *child (struct ev_loop *loop, int pid, int trace, SV *cb)
1385 ALIAS:
1386 child_ns = 1
1387 CODE:
1388 RETVAL = e_new (sizeof (ev_child), cb, ST (0));
1389 ev_child_set (RETVAL, pid, trace);
1390 if (!ix) START (child, RETVAL);
1391 OUTPUT:
1392 RETVAL
1393
1394 ev_stat *stat (struct ev_loop *loop, SV *path, NV interval, SV *cb)
1395 ALIAS:
1396 stat_ns = 1
1397 CODE:
1398 RETVAL = e_new (sizeof (ev_stat), cb, ST (0));
1399 RETVAL->fh = newSVsv (path);
1400 ev_stat_set (RETVAL, SvPVbyte_nolen (RETVAL->fh), interval);
1401 if (!ix) START (stat, RETVAL);
1402 OUTPUT:
1403 RETVAL
1404
1405 ev_embed *embed (struct ev_loop *loop, struct ev_loop *other, SV *cb = 0)
1406 ALIAS:
1407 embed_ns = 1
1408 CODE:
1409 {
1410 if (!(ev_backend (other) & ev_embeddable_backends ()))
1411 croak ("passed loop is not embeddable via EV::embed,");
1412
1413 RETVAL = e_new (sizeof (ev_embed), cb, ST (0));
1414 RETVAL->fh = newSVsv (ST (1));
1415 ev_embed_set (RETVAL, other);
1416 if (!ix) START (embed, RETVAL);
1417 }
1418 OUTPUT:
1419 RETVAL
1420
1421 ev_async *async (struct ev_loop *loop, SV *cb)
1422 ALIAS:
1423 async_ns = 1
1424 CODE:
1425 RETVAL = e_new (sizeof (ev_async), cb, ST (0));
1426 ev_async_set (RETVAL);
1427 if (!ix) START (async, RETVAL);
1428 OUTPUT:
1429 RETVAL
1430
1431 void once (struct ev_loop *loop, SV *fh, int events, SV *timeout, SV *cb)
1432 CODE:
1433 ev_once (
1434 loop,
1435 sv_fileno (fh), events,
1436 SvOK (timeout) ? SvNV (timeout) : -1.,
1437 e_once_cb,
1438 newSVsv (cb)
1439 );
1440