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/cvs/EV/EV.xs
Revision: 1.117
Committed: Wed Oct 29 14:12:34 2008 UTC (15 years, 6 months ago) by root
Branch: MAIN
CVS Tags: rel-3_48
Changes since 1.116: +2 -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 /* 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 void ev_sleep (NV interval)
526
527 NV ev_time ()
528
529 NV ev_now ()
530 C_ARGS: evapi.default_loop
531
532 void ev_now_update ()
533 C_ARGS: evapi.default_loop
534
535 unsigned int ev_backend ()
536 C_ARGS: evapi.default_loop
537
538 unsigned int ev_loop_count ()
539 C_ARGS: evapi.default_loop
540
541 void ev_set_io_collect_interval (NV interval)
542 C_ARGS: evapi.default_loop, interval
543
544 void ev_set_timeout_collect_interval (NV interval)
545 C_ARGS: evapi.default_loop, interval
546
547 void ev_loop (int flags = 0)
548 C_ARGS: evapi.default_loop, flags
549
550 void ev_unloop (int how = EVUNLOOP_ONE)
551 C_ARGS: evapi.default_loop, how
552
553 void ev_feed_fd_event (int fd, int revents = EV_NONE)
554 C_ARGS: evapi.default_loop, fd, revents
555
556 void ev_feed_signal_event (SV *signal)
557 CODE:
558 {
559 Signal signum = sv_signum (signal);
560 CHECK_SIG (signal, signum);
561
562 ev_feed_signal_event (evapi.default_loop, signum);
563 }
564
565 ev_io *io (SV *fh, int events, SV *cb)
566 ALIAS:
567 io_ns = 1
568 CODE:
569 {
570 int fd = sv_fileno (fh);
571 CHECK_FD (fh, fd);
572
573 RETVAL = e_new (sizeof (ev_io), cb, default_loop_sv);
574 RETVAL->fh = newSVsv (fh);
575 ev_io_set (RETVAL, fd, events);
576 if (!ix) START (io, RETVAL);
577 }
578 OUTPUT:
579 RETVAL
580
581 ev_timer *timer (NV after, NV repeat, SV *cb)
582 ALIAS:
583 timer_ns = 1
584 INIT:
585 CHECK_REPEAT (repeat);
586 CODE:
587 RETVAL = e_new (sizeof (ev_timer), cb, default_loop_sv);
588 ev_timer_set (RETVAL, after, repeat);
589 if (!ix) START (timer, RETVAL);
590 OUTPUT:
591 RETVAL
592
593 SV *periodic (NV at, NV interval, SV *reschedule_cb, SV *cb)
594 ALIAS:
595 periodic_ns = 1
596 INIT:
597 CHECK_REPEAT (interval);
598 CODE:
599 {
600 ev_periodic *w;
601 w = e_new (sizeof (ev_periodic), cb, default_loop_sv);
602 w->fh = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
603 ev_periodic_set (w, at, interval, w->fh ? e_periodic_cb : 0);
604 RETVAL = e_bless ((ev_watcher *)w, stash_periodic);
605 if (!ix) START (periodic, w);
606 }
607 OUTPUT:
608 RETVAL
609
610 ev_signal *signal (SV *signal, SV *cb)
611 ALIAS:
612 signal_ns = 1
613 CODE:
614 {
615 Signal signum = sv_signum (signal);
616 CHECK_SIG (signal, signum);
617
618 RETVAL = e_new (sizeof (ev_signal), cb, default_loop_sv);
619 ev_signal_set (RETVAL, signum);
620 if (!ix) START (signal, RETVAL);
621 }
622 OUTPUT:
623 RETVAL
624
625 ev_idle *idle (SV *cb)
626 ALIAS:
627 idle_ns = 1
628 CODE:
629 RETVAL = e_new (sizeof (ev_idle), cb, default_loop_sv);
630 ev_idle_set (RETVAL);
631 if (!ix) START (idle, RETVAL);
632 OUTPUT:
633 RETVAL
634
635 ev_prepare *prepare (SV *cb)
636 ALIAS:
637 prepare_ns = 1
638 CODE:
639 RETVAL = e_new (sizeof (ev_prepare), cb, default_loop_sv);
640 ev_prepare_set (RETVAL);
641 if (!ix) START (prepare, RETVAL);
642 OUTPUT:
643 RETVAL
644
645 ev_check *check (SV *cb)
646 ALIAS:
647 check_ns = 1
648 CODE:
649 RETVAL = e_new (sizeof (ev_check), cb, default_loop_sv);
650 ev_check_set (RETVAL);
651 if (!ix) START (check, RETVAL);
652 OUTPUT:
653 RETVAL
654
655 ev_fork *fork (SV *cb)
656 ALIAS:
657 fork_ns = 1
658 CODE:
659 RETVAL = e_new (sizeof (ev_fork), cb, default_loop_sv);
660 ev_fork_set (RETVAL);
661 if (!ix) START (fork, RETVAL);
662 OUTPUT:
663 RETVAL
664
665 ev_child *child (int pid, int trace, SV *cb)
666 ALIAS:
667 child_ns = 1
668 CODE:
669 RETVAL = e_new (sizeof (ev_child), cb, default_loop_sv);
670 ev_child_set (RETVAL, pid, trace);
671 if (!ix) START (child, RETVAL);
672 OUTPUT:
673 RETVAL
674
675 ev_stat *stat (SV *path, NV interval, SV *cb)
676 ALIAS:
677 stat_ns = 1
678 CODE:
679 RETVAL = e_new (sizeof (ev_stat), cb, default_loop_sv);
680 RETVAL->fh = newSVsv (path);
681 ev_stat_set (RETVAL, SvPVbyte_nolen (RETVAL->fh), interval);
682 if (!ix) START (stat, RETVAL);
683 OUTPUT:
684 RETVAL
685
686 ev_embed *embed (struct ev_loop *loop, SV *cb = 0)
687 ALIAS:
688 embed_ns = 1
689 CODE:
690 {
691 if (!(ev_backend (loop) & ev_embeddable_backends ()))
692 croak ("passed loop is not embeddable via EV::embed,");
693
694 RETVAL = e_new (sizeof (ev_embed), cb, default_loop_sv);
695 RETVAL->fh = newSVsv (ST (0));
696 ev_embed_set (RETVAL, loop);
697 if (!ix) START (embed, RETVAL);
698 }
699 OUTPUT:
700 RETVAL
701
702 ev_async *async (SV *cb)
703 ALIAS:
704 async_ns = 1
705 CODE:
706 RETVAL = e_new (sizeof (ev_async), cb, default_loop_sv);
707 ev_async_set (RETVAL);
708 if (!ix) START (async, RETVAL);
709 OUTPUT:
710 RETVAL
711
712 void once (SV *fh, int events, SV *timeout, SV *cb)
713 CODE:
714 ev_once (
715 evapi.default_loop,
716 sv_fileno (fh), events,
717 SvOK (timeout) ? SvNV (timeout) : -1.,
718 e_once_cb,
719 newSVsv (cb)
720 );
721
722 PROTOTYPES: DISABLE
723
724 MODULE = EV PACKAGE = EV::Watcher PREFIX = ev_
725
726 int ev_is_active (ev_watcher *w)
727
728 int ev_is_pending (ev_watcher *w)
729
730 void ev_invoke (ev_watcher *w, int revents = EV_NONE)
731 C_ARGS: e_loop (w), w, revents
732
733 int ev_clear_pending (ev_watcher *w)
734 C_ARGS: e_loop (w), w
735
736 void ev_feed_event (ev_watcher *w, int revents = EV_NONE)
737 C_ARGS: e_loop (w), w, revents
738
739 int keepalive (ev_watcher *w, int new_value = 0)
740 CODE:
741 {
742 RETVAL = w->e_flags & WFLAG_KEEPALIVE;
743 new_value = new_value ? WFLAG_KEEPALIVE : 0;
744
745 if (items > 1 && ((new_value ^ w->e_flags) & WFLAG_KEEPALIVE))
746 {
747 REF (w);
748 w->e_flags = (w->e_flags & ~WFLAG_KEEPALIVE) | new_value;
749 UNREF (w);
750 }
751 }
752 OUTPUT:
753 RETVAL
754
755 SV *cb (ev_watcher *w, SV *new_cb = 0)
756 CODE:
757 {
758 if (items > 1)
759 {
760 new_cb = e_get_cv (new_cb);
761 RETVAL = newRV_noinc (w->cb_sv);
762 w->cb_sv = SvREFCNT_inc (new_cb);
763 }
764 else
765 RETVAL = newRV_inc (w->cb_sv);
766 }
767 OUTPUT:
768 RETVAL
769
770 SV *data (ev_watcher *w, SV *new_data = 0)
771 CODE:
772 {
773 RETVAL = w->data ? newSVsv (w->data) : &PL_sv_undef;
774
775 if (items > 1)
776 {
777 SvREFCNT_dec (w->data);
778 w->data = newSVsv (new_data);
779 }
780 }
781 OUTPUT:
782 RETVAL
783
784 SV *loop (ev_watcher *w)
785 CODE:
786 RETVAL = newRV_inc (w->loop);
787 OUTPUT:
788 RETVAL
789
790 int priority (ev_watcher *w, int new_priority = 0)
791 CODE:
792 {
793 RETVAL = w->priority;
794
795 if (items > 1)
796 {
797 int active = ev_is_active (w);
798
799 if (active)
800 {
801 /* grrr. */
802 PUSHMARK (SP);
803 XPUSHs (ST (0));
804 PUTBACK;
805 call_method ("stop", G_DISCARD | G_VOID);
806 }
807
808 ev_set_priority (w, new_priority);
809
810 if (active)
811 {
812 PUSHMARK (SP);
813 XPUSHs (ST (0));
814 PUTBACK;
815 call_method ("start", G_DISCARD | G_VOID);
816 }
817 }
818 }
819 OUTPUT:
820 RETVAL
821
822 MODULE = EV PACKAGE = EV::IO PREFIX = ev_io_
823
824 void ev_io_start (ev_io *w)
825 CODE:
826 START (io, w);
827
828 void ev_io_stop (ev_io *w)
829 CODE:
830 STOP (io, w);
831
832 void DESTROY (ev_io *w)
833 CODE:
834 STOP (io, w);
835 e_destroy (w);
836
837 void set (ev_io *w, SV *fh, int events)
838 CODE:
839 {
840 int fd = sv_fileno (fh);
841 CHECK_FD (fh, fd);
842
843 sv_setsv (w->fh, fh);
844 RESET (io, w, (w, fd, events));
845 }
846
847 SV *fh (ev_io *w, SV *new_fh = 0)
848 CODE:
849 {
850 if (items > 1)
851 {
852 int fd = sv_fileno (new_fh);
853 CHECK_FD (new_fh, fd);
854
855 RETVAL = w->fh;
856 w->fh = newSVsv (new_fh);
857
858 RESET (io, w, (w, fd, w->events));
859 }
860 else
861 RETVAL = newSVsv (w->fh);
862 }
863 OUTPUT:
864 RETVAL
865
866 int events (ev_io *w, int new_events = EV_UNDEF)
867 CODE:
868 {
869 RETVAL = w->events;
870
871 if (items > 1)
872 RESET (io, w, (w, w->fd, new_events));
873 }
874 OUTPUT:
875 RETVAL
876
877 MODULE = EV PACKAGE = EV::Signal PREFIX = ev_signal_
878
879 void ev_signal_start (ev_signal *w)
880 CODE:
881 START (signal, w);
882
883 void ev_signal_stop (ev_signal *w)
884 CODE:
885 STOP (signal, w);
886
887 void DESTROY (ev_signal *w)
888 CODE:
889 STOP (signal, w);
890 e_destroy (w);
891
892 void set (ev_signal *w, SV *signal)
893 CODE:
894 {
895 Signal signum = sv_signum (signal);
896 CHECK_SIG (signal, signum);
897
898 RESET (signal, w, (w, signum));
899 }
900
901 int signal (ev_signal *w, SV *new_signal = 0)
902 CODE:
903 {
904 RETVAL = w->signum;
905
906 if (items > 1)
907 {
908 Signal signum = sv_signum (new_signal);
909 CHECK_SIG (new_signal, signum);
910
911 RESET (signal, w, (w, signum));
912 }
913 }
914 OUTPUT:
915 RETVAL
916
917 MODULE = EV PACKAGE = EV::Timer PREFIX = ev_timer_
918
919 void ev_timer_start (ev_timer *w)
920 INIT:
921 CHECK_REPEAT (w->repeat);
922 CODE:
923 START (timer, w);
924
925 void ev_timer_stop (ev_timer *w)
926 CODE:
927 STOP (timer, w);
928
929 void ev_timer_again (ev_timer *w)
930 INIT:
931 CHECK_REPEAT (w->repeat);
932 CODE:
933 REF (w);
934 ev_timer_again (e_loop (w), w);
935 UNREF (w);
936
937 void DESTROY (ev_timer *w)
938 CODE:
939 STOP (timer, w);
940 e_destroy (w);
941
942 void set (ev_timer *w, NV after, NV repeat = 0.)
943 INIT:
944 CHECK_REPEAT (repeat);
945 CODE:
946 RESET (timer, w, (w, after, repeat));
947
948 MODULE = EV PACKAGE = EV::Periodic PREFIX = ev_periodic_
949
950 void ev_periodic_start (ev_periodic *w)
951 INIT:
952 CHECK_REPEAT (w->interval);
953 CODE:
954 START (periodic, w);
955
956 void ev_periodic_stop (ev_periodic *w)
957 CODE:
958 STOP (periodic, w);
959
960 void ev_periodic_again (ev_periodic *w)
961 CODE:
962 REF (w);
963 ev_periodic_again (e_loop (w), w);
964 UNREF (w);
965
966 void DESTROY (ev_periodic *w)
967 CODE:
968 STOP (periodic, w);
969 e_destroy (w);
970
971 void set (ev_periodic *w, NV at, NV interval = 0., SV *reschedule_cb = &PL_sv_undef)
972 INIT:
973 CHECK_REPEAT (interval);
974 CODE:
975 {
976 SvREFCNT_dec (w->fh);
977 w->fh = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
978
979 RESET (periodic, w, (w, at, interval, w->fh ? e_periodic_cb : 0));
980 }
981
982 NV at (ev_periodic *w)
983 CODE:
984 RETVAL = ev_periodic_at (w);
985 OUTPUT:
986 RETVAL
987
988 MODULE = EV PACKAGE = EV::Idle PREFIX = ev_idle_
989
990 void ev_idle_start (ev_idle *w)
991 CODE:
992 START (idle, w);
993
994 void ev_idle_stop (ev_idle *w)
995 CODE:
996 STOP (idle, w);
997
998 void DESTROY (ev_idle *w)
999 CODE:
1000 STOP (idle, w);
1001 e_destroy (w);
1002
1003 MODULE = EV PACKAGE = EV::Prepare PREFIX = ev_prepare_
1004
1005 void ev_prepare_start (ev_prepare *w)
1006 CODE:
1007 START (prepare, w);
1008
1009 void ev_prepare_stop (ev_prepare *w)
1010 CODE:
1011 STOP (prepare, w);
1012
1013 void DESTROY (ev_prepare *w)
1014 CODE:
1015 STOP (prepare, w);
1016 e_destroy (w);
1017
1018 MODULE = EV PACKAGE = EV::Check PREFIX = ev_check_
1019
1020 void ev_check_start (ev_check *w)
1021 CODE:
1022 START (check, w);
1023
1024 void ev_check_stop (ev_check *w)
1025 CODE:
1026 STOP (check, w);
1027
1028 void DESTROY (ev_check *w)
1029 CODE:
1030 STOP (check, w);
1031 e_destroy (w);
1032
1033 MODULE = EV PACKAGE = EV::Fork PREFIX = ev_fork_
1034
1035 void ev_fork_start (ev_fork *w)
1036 CODE:
1037 START (fork, w);
1038
1039 void ev_fork_stop (ev_fork *w)
1040 CODE:
1041 STOP (fork, w);
1042
1043 void DESTROY (ev_fork *w)
1044 CODE:
1045 STOP (fork, w);
1046 e_destroy (w);
1047
1048 MODULE = EV PACKAGE = EV::Child PREFIX = ev_child_
1049
1050 void ev_child_start (ev_child *w)
1051 CODE:
1052 START (child, w);
1053
1054 void ev_child_stop (ev_child *w)
1055 CODE:
1056 STOP (child, w);
1057
1058 void DESTROY (ev_child *w)
1059 CODE:
1060 STOP (child, w);
1061 e_destroy (w);
1062
1063 void set (ev_child *w, int pid, int trace)
1064 CODE:
1065 RESET (child, w, (w, pid, trace));
1066
1067 int pid (ev_child *w)
1068 ALIAS:
1069 rpid = 1
1070 rstatus = 2
1071 CODE:
1072 RETVAL = ix == 0 ? w->pid
1073 : ix == 1 ? w->rpid
1074 : w->rstatus;
1075 OUTPUT:
1076 RETVAL
1077
1078 MODULE = EV PACKAGE = EV::Stat PREFIX = ev_stat_
1079
1080 void ev_stat_start (ev_stat *w)
1081 CODE:
1082 START (stat, w);
1083
1084 void ev_stat_stop (ev_stat *w)
1085 CODE:
1086 STOP (stat, w);
1087
1088 void DESTROY (ev_stat *w)
1089 CODE:
1090 STOP (stat, w);
1091 e_destroy (w);
1092
1093 void set (ev_stat *w, SV *path, NV interval)
1094 CODE:
1095 {
1096 sv_setsv (w->fh, path);
1097 RESET (stat, w, (w, SvPVbyte_nolen (w->fh), interval));
1098 }
1099
1100 SV *path (ev_stat *w, SV *new_path = 0)
1101 CODE:
1102 {
1103 RETVAL = SvREFCNT_inc (w->fh);
1104
1105 if (items > 1)
1106 {
1107 SvREFCNT_dec (w->fh);
1108 w->fh = newSVsv (new_path);
1109 RESET (stat, w, (w, SvPVbyte_nolen (w->fh), w->interval));
1110 }
1111 }
1112 OUTPUT:
1113 RETVAL
1114
1115 NV interval (ev_stat *w, NV new_interval = 0.)
1116 CODE:
1117 {
1118 RETVAL = w->interval;
1119
1120 if (items > 1)
1121 RESET (stat, w, (w, SvPVbyte_nolen (w->fh), new_interval));
1122 }
1123 OUTPUT:
1124 RETVAL
1125
1126 void prev (ev_stat *w)
1127 ALIAS:
1128 stat = 1
1129 attr = 2
1130 PPCODE:
1131 {
1132 ev_statdata *s = ix ? &w->attr : &w->prev;
1133
1134 if (ix == 1)
1135 ev_stat_stat (e_loop (w), w);
1136 else if (!s->st_nlink)
1137 errno = ENOENT;
1138
1139 PL_statcache.st_dev = s->st_nlink;
1140 PL_statcache.st_ino = s->st_ino;
1141 PL_statcache.st_mode = s->st_mode;
1142 PL_statcache.st_nlink = s->st_nlink;
1143 PL_statcache.st_uid = s->st_uid;
1144 PL_statcache.st_gid = s->st_gid;
1145 PL_statcache.st_rdev = s->st_rdev;
1146 PL_statcache.st_size = s->st_size;
1147 PL_statcache.st_atime = s->st_atime;
1148 PL_statcache.st_mtime = s->st_mtime;
1149 PL_statcache.st_ctime = s->st_ctime;
1150
1151 if (GIMME_V == G_SCALAR)
1152 XPUSHs (boolSV (s->st_nlink));
1153 else if (GIMME_V == G_ARRAY && s->st_nlink)
1154 {
1155 EXTEND (SP, 13);
1156 PUSHs (sv_2mortal (newSViv (s->st_dev)));
1157 PUSHs (sv_2mortal (newSViv (s->st_ino)));
1158 PUSHs (sv_2mortal (newSVuv (s->st_mode)));
1159 PUSHs (sv_2mortal (newSVuv (s->st_nlink)));
1160 PUSHs (sv_2mortal (newSViv (s->st_uid)));
1161 PUSHs (sv_2mortal (newSViv (s->st_gid)));
1162 PUSHs (sv_2mortal (newSViv (s->st_rdev)));
1163 PUSHs (sv_2mortal (newSVnv ((NV)s->st_size)));
1164 PUSHs (sv_2mortal (newSVnv (s->st_atime)));
1165 PUSHs (sv_2mortal (newSVnv (s->st_mtime)));
1166 PUSHs (sv_2mortal (newSVnv (s->st_ctime)));
1167 PUSHs (sv_2mortal (newSVuv (4096)));
1168 PUSHs (sv_2mortal (newSVnv ((NV)((s->st_size + 4095) / 4096))));
1169 }
1170 }
1171
1172 MODULE = EV PACKAGE = EV::Embed PREFIX = ev_embed_
1173
1174 void ev_embed_start (ev_embed *w)
1175 CODE:
1176 START (embed, w);
1177
1178 void ev_embed_stop (ev_embed *w)
1179 CODE:
1180 STOP (embed, w);
1181
1182 void DESTROY (ev_embed *w)
1183 CODE:
1184 STOP (embed, w);
1185 e_destroy (w);
1186
1187 void set (ev_embed *w, struct ev_loop *loop)
1188 CODE:
1189 {
1190 sv_setsv (w->fh, ST (1));
1191 RESET (embed, w, (w, loop));
1192 }
1193
1194 SV *other (ev_embed *w)
1195 CODE:
1196 RETVAL = newSVsv (w->fh);
1197 OUTPUT:
1198 RETVAL
1199
1200 void ev_embed_sweep (ev_embed *w)
1201 C_ARGS: e_loop (w), w
1202
1203 MODULE = EV PACKAGE = EV::Async PREFIX = ev_async_
1204
1205 void ev_async_start (ev_async *w)
1206 CODE:
1207 START (async, w);
1208
1209 void ev_async_stop (ev_async *w)
1210 CODE:
1211 STOP (async, w);
1212
1213 void DESTROY (ev_async *w)
1214 CODE:
1215 STOP (async, w);
1216 e_destroy (w);
1217
1218 void ev_async_send (ev_async *w)
1219 C_ARGS: e_loop (w), w
1220
1221 SV *ev_async_async_pending (ev_async *w)
1222 CODE:
1223 RETVAL = boolSV (ev_async_pending (w));
1224 OUTPUT:
1225 RETVAL
1226
1227 MODULE = EV PACKAGE = EV::Loop PREFIX = ev_
1228
1229 SV *new (SV *klass, unsigned int flags = 0)
1230 CODE:
1231 {
1232 struct ev_loop *loop = ev_loop_new (flags);
1233
1234 if (!loop)
1235 XSRETURN_UNDEF;
1236
1237 RETVAL = sv_bless (newRV_noinc (newSViv (PTR2IV (loop))), stash_loop);
1238 }
1239 OUTPUT:
1240 RETVAL
1241
1242 void DESTROY (struct ev_loop *loop)
1243 CODE:
1244 if (loop != evapi.default_loop) /* global destruction sucks */
1245 ev_loop_destroy (loop);
1246
1247 void ev_loop_fork (struct ev_loop *loop)
1248
1249 void ev_loop_verify (struct ev_loop *loop)
1250
1251 NV ev_now (struct ev_loop *loop)
1252
1253 void ev_now_update (struct ev_loop *loop)
1254
1255 void ev_set_io_collect_interval (struct ev_loop *loop, NV interval)
1256
1257 void ev_set_timeout_collect_interval (struct ev_loop *loop, NV interval)
1258
1259 unsigned int ev_backend (struct ev_loop *loop)
1260
1261 unsigned int ev_loop_count (struct ev_loop *loop)
1262
1263 void ev_loop (struct ev_loop *loop, int flags = 0)
1264
1265 void ev_unloop (struct ev_loop *loop, int how = 1)
1266
1267 void ev_feed_fd_event (struct ev_loop *loop, int fd, int revents = EV_NONE)
1268
1269 #if 0
1270
1271 void ev_feed_signal_event (struct ev_loop *loop, SV *signal)
1272 CODE:
1273 {
1274 Signal signum = sv_signum (signal);
1275 CHECK_SIG (signal, signum);
1276
1277 ev_feed_signal_event (loop, signum);
1278 }
1279
1280 #endif
1281
1282 ev_io *io (struct ev_loop *loop, SV *fh, int events, SV *cb)
1283 ALIAS:
1284 io_ns = 1
1285 CODE:
1286 {
1287 int fd = sv_fileno (fh);
1288 CHECK_FD (fh, fd);
1289
1290 RETVAL = e_new (sizeof (ev_io), cb, ST (0));
1291 RETVAL->fh = newSVsv (fh);
1292 ev_io_set (RETVAL, fd, events);
1293 if (!ix) START (io, RETVAL);
1294 }
1295 OUTPUT:
1296 RETVAL
1297
1298 ev_timer *timer (struct ev_loop *loop, NV after, NV repeat, SV *cb)
1299 ALIAS:
1300 timer_ns = 1
1301 INIT:
1302 CHECK_REPEAT (repeat);
1303 CODE:
1304 RETVAL = e_new (sizeof (ev_timer), cb, ST (0));
1305 ev_timer_set (RETVAL, after, repeat);
1306 if (!ix) START (timer, RETVAL);
1307 OUTPUT:
1308 RETVAL
1309
1310 SV *periodic (struct ev_loop *loop, NV at, NV interval, SV *reschedule_cb, SV *cb)
1311 ALIAS:
1312 periodic_ns = 1
1313 INIT:
1314 CHECK_REPEAT (interval);
1315 CODE:
1316 {
1317 ev_periodic *w;
1318 w = e_new (sizeof (ev_periodic), cb, ST (0));
1319 w->fh = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
1320 ev_periodic_set (w, at, interval, w->fh ? e_periodic_cb : 0);
1321 RETVAL = e_bless ((ev_watcher *)w, stash_periodic);
1322 if (!ix) START (periodic, w);
1323 }
1324 OUTPUT:
1325 RETVAL
1326
1327 #if 0
1328
1329 ev_signal *signal (struct ev_loop *loop, SV *signal, SV *cb)
1330 ALIAS:
1331 signal_ns = 1
1332 CODE:
1333 {
1334 Signal signum = sv_signum (signal);
1335 CHECK_SIG (signal, signum);
1336
1337 RETVAL = e_new (sizeof (ev_signal), cb, ST (0));
1338 ev_signal_set (RETVAL, signum);
1339 if (!ix) START (signal, RETVAL);
1340 }
1341 OUTPUT:
1342 RETVAL
1343
1344 #endif
1345
1346 ev_idle *idle (struct ev_loop *loop, SV *cb)
1347 ALIAS:
1348 idle_ns = 1
1349 CODE:
1350 RETVAL = e_new (sizeof (ev_idle), cb, ST (0));
1351 ev_idle_set (RETVAL);
1352 if (!ix) START (idle, RETVAL);
1353 OUTPUT:
1354 RETVAL
1355
1356 ev_prepare *prepare (struct ev_loop *loop, SV *cb)
1357 ALIAS:
1358 prepare_ns = 1
1359 CODE:
1360 RETVAL = e_new (sizeof (ev_prepare), cb, ST (0));
1361 ev_prepare_set (RETVAL);
1362 if (!ix) START (prepare, RETVAL);
1363 OUTPUT:
1364 RETVAL
1365
1366 ev_check *check (struct ev_loop *loop, SV *cb)
1367 ALIAS:
1368 check_ns = 1
1369 CODE:
1370 RETVAL = e_new (sizeof (ev_check), cb, ST (0));
1371 ev_check_set (RETVAL);
1372 if (!ix) START (check, RETVAL);
1373 OUTPUT:
1374 RETVAL
1375
1376 ev_fork *fork (struct ev_loop *loop, SV *cb)
1377 ALIAS:
1378 fork_ns = 1
1379 CODE:
1380 RETVAL = e_new (sizeof (ev_fork), cb, ST (0));
1381 ev_fork_set (RETVAL);
1382 if (!ix) START (fork, RETVAL);
1383 OUTPUT:
1384 RETVAL
1385
1386 ev_child *child (struct ev_loop *loop, int pid, int trace, SV *cb)
1387 ALIAS:
1388 child_ns = 1
1389 CODE:
1390 RETVAL = e_new (sizeof (ev_child), cb, ST (0));
1391 ev_child_set (RETVAL, pid, trace);
1392 if (!ix) START (child, RETVAL);
1393 OUTPUT:
1394 RETVAL
1395
1396 ev_stat *stat (struct ev_loop *loop, SV *path, NV interval, SV *cb)
1397 ALIAS:
1398 stat_ns = 1
1399 CODE:
1400 RETVAL = e_new (sizeof (ev_stat), cb, ST (0));
1401 RETVAL->fh = newSVsv (path);
1402 ev_stat_set (RETVAL, SvPVbyte_nolen (RETVAL->fh), interval);
1403 if (!ix) START (stat, RETVAL);
1404 OUTPUT:
1405 RETVAL
1406
1407 ev_embed *embed (struct ev_loop *loop, struct ev_loop *other, SV *cb = 0)
1408 ALIAS:
1409 embed_ns = 1
1410 CODE:
1411 {
1412 if (!(ev_backend (other) & ev_embeddable_backends ()))
1413 croak ("passed loop is not embeddable via EV::embed,");
1414
1415 RETVAL = e_new (sizeof (ev_embed), cb, ST (0));
1416 RETVAL->fh = newSVsv (ST (1));
1417 ev_embed_set (RETVAL, other);
1418 if (!ix) START (embed, RETVAL);
1419 }
1420 OUTPUT:
1421 RETVAL
1422
1423 ev_async *async (struct ev_loop *loop, SV *cb)
1424 ALIAS:
1425 async_ns = 1
1426 CODE:
1427 RETVAL = e_new (sizeof (ev_async), cb, ST (0));
1428 ev_async_set (RETVAL);
1429 if (!ix) START (async, RETVAL);
1430 OUTPUT:
1431 RETVAL
1432
1433 void once (struct ev_loop *loop, SV *fh, int events, SV *timeout, SV *cb)
1434 CODE:
1435 ev_once (
1436 loop,
1437 sv_fileno (fh), events,
1438 SvOK (timeout) ? SvNV (timeout) : -1.,
1439 e_once_cb,
1440 newSVsv (cb)
1441 );
1442