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/cvs/EV/EV.xs
Revision: 1.124
Committed: Mon Jun 29 18:46:52 2009 UTC (14 years, 10 months ago) by root
Branch: MAIN
Changes since 1.123: +0 -9 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 /* 5.6.x */
35 #ifndef SvRV_set
36 # define SvRV_set(a,b) SvRV ((a)) = (b)
37 #endif
38
39 #define e_loop(w) INT2PTR (struct ev_loop *, SvIVX ((w)->loop))
40
41 #define WFLAG_KEEPALIVE 1
42 #define WFLAG_UNREFED 2 /* has been unref'ed */
43
44 #define UNREF(w) \
45 if (!((w)->e_flags & (WFLAG_KEEPALIVE | WFLAG_UNREFED)) \
46 && ev_is_active (w)) \
47 { \
48 ev_unref (e_loop (w)); \
49 (w)->e_flags |= WFLAG_UNREFED; \
50 }
51
52 #define REF(w) \
53 if ((w)->e_flags & WFLAG_UNREFED) \
54 { \
55 (w)->e_flags &= ~WFLAG_UNREFED; \
56 ev_ref (e_loop (w)); \
57 }
58
59 #define START(type,w) \
60 do { \
61 ev_ ## type ## _start (e_loop (w), w); \
62 UNREF (w); \
63 } while (0)
64
65 #define STOP(type,w) \
66 do { \
67 REF (w); \
68 ev_ ## type ## _stop (e_loop (w), w); \
69 } while (0)
70
71 #define RESET(type,w,seta) \
72 do { \
73 int active = ev_is_active (w); \
74 if (active) STOP (type, w); \
75 ev_ ## type ## _set seta; \
76 if (active) START (type, w); \
77 } while (0)
78
79 typedef int Signal;
80
81 static SV *default_loop_sv;
82
83 static struct EVAPI evapi;
84
85 static HV
86 *stash_loop,
87 *stash_watcher,
88 *stash_io,
89 *stash_timer,
90 *stash_periodic,
91 *stash_signal,
92 *stash_child,
93 *stash_stat,
94 *stash_idle,
95 *stash_prepare,
96 *stash_check,
97 *stash_embed,
98 *stash_fork,
99 *stash_async;
100
101 #ifndef SIG_SIZE
102 /* kudos to Slaven Rezic for the idea */
103 static char sig_size [] = { SIG_NUM };
104 # define SIG_SIZE (sizeof (sig_size) + 1)
105 #endif
106
107 static Signal
108 sv_signum (SV *sig)
109 {
110 Signal signum;
111
112 SvGETMAGIC (sig);
113
114 for (signum = 1; signum < SIG_SIZE; ++signum)
115 if (strEQ (SvPV_nolen (sig), PL_sig_name [signum]))
116 return signum;
117
118 signum = SvIV (sig);
119
120 if (signum > 0 && signum < SIG_SIZE)
121 return signum;
122
123 return -1;
124 }
125
126 /////////////////////////////////////////////////////////////////////////////
127 // Event
128
129 static void e_cb (EV_P_ ev_watcher *w, int revents);
130
131 static int
132 sv_fileno (SV *fh)
133 {
134 SvGETMAGIC (fh);
135
136 if (SvROK (fh))
137 fh = SvRV (fh);
138
139 if (SvTYPE (fh) == SVt_PVGV)
140 return PerlIO_fileno (IoIFP (sv_2io (fh)));
141
142 if (SvOK (fh) && (SvIV (fh) >= 0) && (SvIV (fh) < 0x7fffffffL))
143 return SvIV (fh);
144
145 return -1;
146 }
147
148 static SV *
149 e_get_cv (SV *cb_sv)
150 {
151 HV *st;
152 GV *gvp;
153 CV *cv = sv_2cv (cb_sv, &st, &gvp, 0);
154
155 if (!cv)
156 croak ("EV watcher callback must be a CODE reference");
157
158 return (SV *)cv;
159 }
160
161 static void *
162 e_new (int size, SV *cb_sv, SV *loop)
163 {
164 SV *cv = cb_sv ? e_get_cv (cb_sv) : 0;
165 ev_watcher *w;
166 SV *self = NEWSV (0, size);
167 SvPOK_only (self);
168 SvCUR_set (self, size);
169
170 w = (ev_watcher *)SvPVX (self);
171
172 ev_init (w, cv ? e_cb : 0);
173
174 w->loop = SvREFCNT_inc (SvRV (loop));
175 w->e_flags = WFLAG_KEEPALIVE;
176 w->data = 0;
177 w->fh = 0;
178 w->cb_sv = SvREFCNT_inc (cv);
179 w->self = self;
180
181 return (void *)w;
182 }
183
184 static void
185 e_destroy (void *w_)
186 {
187 ev_watcher *w = (ev_watcher *)w_;
188
189 SvREFCNT_dec (w->loop ); w->loop = 0;
190 SvREFCNT_dec (w->fh ); w->fh = 0;
191 SvREFCNT_dec (w->cb_sv); w->cb_sv = 0;
192 SvREFCNT_dec (w->data ); w->data = 0;
193 }
194
195 static SV *
196 e_bless (ev_watcher *w, HV *stash)
197 {
198 SV *rv;
199
200 if (SvOBJECT (w->self))
201 rv = newRV_inc (w->self);
202 else
203 {
204 rv = newRV_noinc (w->self);
205 sv_bless (rv, stash);
206 SvREADONLY_on (w->self);
207 }
208
209 return rv;
210 }
211
212 static SV *sv_self_cache, *sv_events_cache;
213
214 static void
215 e_cb (EV_P_ ev_watcher *w, int revents)
216 {
217 dSP;
218 I32 mark = SP - PL_stack_base;
219 SV *sv_self, *sv_events;
220
221 /* libev might have stopped the watcher */
222 if (expect_false (w->e_flags & WFLAG_UNREFED)
223 && !ev_is_active (w))
224 REF (w);
225
226 if (expect_true (sv_self_cache))
227 {
228 sv_self = sv_self_cache; sv_self_cache = 0;
229 SvRV_set (sv_self, SvREFCNT_inc_NN (w->self));
230 }
231 else
232 {
233 sv_self = newRV_inc (w->self); /* w->self MUST be blessed by now */
234 SvREADONLY_on (sv_self);
235 }
236
237 if (expect_true (sv_events_cache))
238 {
239 sv_events = sv_events_cache; sv_events_cache = 0;
240 SvIV_set (sv_events, revents);
241 }
242 else
243 {
244 sv_events = newSViv (revents);
245 SvREADONLY_on (sv_events);
246 }
247
248 PUSHMARK (SP);
249 EXTEND (SP, 2);
250 PUSHs (sv_self);
251 PUSHs (sv_events);
252
253 PUTBACK;
254 call_sv (w->cb_sv, G_DISCARD | G_VOID | G_EVAL);
255
256 if (expect_false (SvREFCNT (sv_self) != 1 || sv_self_cache))
257 SvREFCNT_dec (sv_self);
258 else
259 {
260 SvREFCNT_dec (SvRV (sv_self));
261 SvRV_set (sv_self, &PL_sv_undef);
262 sv_self_cache = sv_self;
263 }
264
265 if (expect_false (SvREFCNT (sv_events) != 1 || sv_events_cache))
266 SvREFCNT_dec (sv_events);
267 else
268 sv_events_cache = sv_events;
269
270 if (expect_false (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 void
283 e_once_cb (int revents, void *arg)
284 {
285 dSP;
286 I32 mark = SP - PL_stack_base;
287 SV *sv_events;
288
289 if (sv_events_cache)
290 {
291 sv_events = sv_events_cache; sv_events_cache = 0;
292 SvIV_set (sv_events, revents);
293 }
294 else
295 sv_events = newSViv (revents);
296
297 PUSHMARK (SP);
298 XPUSHs (sv_events);
299
300 PUTBACK;
301 call_sv ((SV *)arg, G_DISCARD | G_VOID | G_EVAL);
302
303 SvREFCNT_dec ((SV *)arg);
304
305 if (sv_events_cache)
306 SvREFCNT_dec (sv_events);
307 else
308 sv_events_cache = sv_events;
309
310 if (SvTRUE (ERRSV))
311 {
312 SPAGAIN;
313 PUSHMARK (SP);
314 PUTBACK;
315 call_sv (get_sv ("EV::DIED", 1), G_DISCARD | G_VOID | G_EVAL | G_KEEPERR);
316 }
317
318 SP = PL_stack_base + mark;
319 PUTBACK;
320 }
321
322 static ev_tstamp
323 e_periodic_cb (ev_periodic *w, ev_tstamp now)
324 {
325 ev_tstamp retval;
326 int count;
327 dSP;
328
329 ENTER;
330 SAVETMPS;
331
332 PUSHMARK (SP);
333 EXTEND (SP, 2);
334 PUSHs (newRV_inc (w->self)); /* w->self MUST be blessed by now */
335 PUSHs (newSVnv (now));
336
337 PUTBACK;
338 count = call_sv (w->fh, G_SCALAR | G_EVAL);
339 SPAGAIN;
340
341 if (SvTRUE (ERRSV))
342 {
343 PUSHMARK (SP);
344 PUTBACK;
345 call_sv (get_sv ("EV::DIED", 1), G_DISCARD | G_VOID | G_EVAL | G_KEEPERR);
346 SPAGAIN;
347 }
348
349 if (count > 0)
350 {
351 retval = SvNV (TOPs);
352
353 if (retval < now)
354 retval = now;
355 }
356 else
357 retval = now;
358
359 FREETMPS;
360 LEAVE;
361
362 return retval;
363 }
364
365 #define CHECK_REPEAT(repeat) if (repeat < 0.) \
366 croak (# repeat " value must be >= 0");
367
368 #define CHECK_FD(fh,fd) if ((fd) < 0) \
369 croak ("illegal file descriptor or filehandle (either no attached file descriptor or illegal value): %s", SvPV_nolen (fh));
370
371 #define CHECK_SIG(sv,num) if ((num) < 0) \
372 croak ("illegal signal number or name: %s", SvPV_nolen (sv));
373
374 /////////////////////////////////////////////////////////////////////////////
375 // XS interface functions
376
377 MODULE = EV PACKAGE = EV PREFIX = ev_
378
379 PROTOTYPES: ENABLE
380
381 BOOT:
382 {
383 HV *stash = gv_stashpv ("EV", 1);
384
385 static const struct {
386 const char *name;
387 IV iv;
388 } *civ, const_iv[] = {
389 # define const_iv(pfx, name) { # name, (IV) pfx ## name },
390 const_iv (EV_, MINPRI)
391 const_iv (EV_, MAXPRI)
392
393 const_iv (EV_, UNDEF)
394 const_iv (EV_, NONE)
395 const_iv (EV_, READ)
396 const_iv (EV_, WRITE)
397 const_iv (EV_, IO)
398 const_iv (EV_, TIMEOUT)
399 const_iv (EV_, TIMER)
400 const_iv (EV_, PERIODIC)
401 const_iv (EV_, SIGNAL)
402 const_iv (EV_, CHILD)
403 const_iv (EV_, STAT)
404 const_iv (EV_, IDLE)
405 const_iv (EV_, PREPARE)
406 const_iv (EV_, CHECK)
407 const_iv (EV_, EMBED)
408 const_iv (EV_, FORK)
409 const_iv (EV_, ASYNC)
410 const_iv (EV_, CUSTOM)
411 const_iv (EV_, ERROR)
412
413 const_iv (EV, LOOP_NONBLOCK)
414 const_iv (EV, LOOP_ONESHOT)
415
416 const_iv (EV, UNLOOP_CANCEL)
417 const_iv (EV, UNLOOP_ONE)
418 const_iv (EV, UNLOOP_ALL)
419
420 const_iv (EV, BACKEND_SELECT)
421 const_iv (EV, BACKEND_POLL)
422 const_iv (EV, BACKEND_EPOLL)
423 const_iv (EV, BACKEND_KQUEUE)
424 const_iv (EV, BACKEND_DEVPOLL)
425 const_iv (EV, BACKEND_PORT)
426 const_iv (EV, FLAG_AUTO)
427 const_iv (EV, FLAG_NOENV)
428 const_iv (EV, FLAG_FORKCHECK)
429
430 const_iv (EV_, VERSION_MAJOR)
431 const_iv (EV_, VERSION_MINOR)
432 };
433
434 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
435 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
436
437 stash_loop = gv_stashpv ("EV::Loop" , 1);
438 stash_watcher = gv_stashpv ("EV::Watcher" , 1);
439 stash_io = gv_stashpv ("EV::IO" , 1);
440 stash_timer = gv_stashpv ("EV::Timer" , 1);
441 stash_periodic = gv_stashpv ("EV::Periodic", 1);
442 stash_signal = gv_stashpv ("EV::Signal" , 1);
443 stash_idle = gv_stashpv ("EV::Idle" , 1);
444 stash_prepare = gv_stashpv ("EV::Prepare" , 1);
445 stash_check = gv_stashpv ("EV::Check" , 1);
446 stash_child = gv_stashpv ("EV::Child" , 1);
447 stash_embed = gv_stashpv ("EV::Embed" , 1);
448 stash_stat = gv_stashpv ("EV::Stat" , 1);
449 stash_fork = gv_stashpv ("EV::Fork" , 1);
450 stash_async = gv_stashpv ("EV::Async" , 1);
451
452 {
453 SV *sv = perl_get_sv ("EV::API", TRUE);
454 perl_get_sv ("EV::API", TRUE); /* silence 5.10 warning */
455
456 /* the poor man's shared library emulator */
457 evapi.ver = EV_API_VERSION;
458 evapi.rev = EV_API_REVISION;
459 evapi.sv_fileno = sv_fileno;
460 evapi.sv_signum = sv_signum;
461 evapi.supported_backends = ev_supported_backends ();
462 evapi.recommended_backends = ev_recommended_backends ();
463 evapi.embeddable_backends = ev_embeddable_backends ();
464 evapi.time_ = ev_time;
465 evapi.sleep_ = ev_sleep;
466 evapi.loop_new = ev_loop_new;
467 evapi.loop_destroy = ev_loop_destroy;
468 evapi.loop_fork = ev_loop_fork;
469 evapi.loop_count = ev_loop_count;
470 evapi.now = ev_now;
471 evapi.now_update = ev_now_update;
472 evapi.suspend = ev_suspend;
473 evapi.resume = ev_resume;
474 evapi.backend = ev_backend;
475 evapi.unloop = ev_unloop;
476 evapi.ref = ev_ref;
477 evapi.unref = ev_unref;
478 evapi.loop = ev_loop;
479 evapi.once = ev_once;
480 evapi.io_start = ev_io_start;
481 evapi.io_stop = ev_io_stop;
482 evapi.timer_start = ev_timer_start;
483 evapi.timer_stop = ev_timer_stop;
484 evapi.timer_again = ev_timer_again;
485 evapi.periodic_start = ev_periodic_start;
486 evapi.periodic_stop = ev_periodic_stop;
487 evapi.signal_start = ev_signal_start;
488 evapi.signal_stop = ev_signal_stop;
489 evapi.idle_start = ev_idle_start;
490 evapi.idle_stop = ev_idle_stop;
491 evapi.prepare_start = ev_prepare_start;
492 evapi.prepare_stop = ev_prepare_stop;
493 evapi.check_start = ev_check_start;
494 evapi.check_stop = ev_check_stop;
495 evapi.child_start = ev_child_start;
496 evapi.child_stop = ev_child_stop;
497 evapi.stat_start = ev_stat_start;
498 evapi.stat_stop = ev_stat_stop;
499 evapi.stat_stat = ev_stat_stat;
500 evapi.embed_start = ev_embed_start;
501 evapi.embed_stop = ev_embed_stop;
502 evapi.embed_sweep = ev_embed_sweep;
503 evapi.fork_start = ev_fork_start;
504 evapi.fork_stop = ev_fork_stop;
505 evapi.async_start = ev_async_start;
506 evapi.async_stop = ev_async_stop;
507 evapi.async_send = ev_async_send;
508 evapi.clear_pending = ev_clear_pending;
509 evapi.invoke = ev_invoke;
510
511 sv_setiv (sv, (IV)&evapi);
512 SvREADONLY_on (sv);
513 }
514 #ifndef _WIN32
515 pthread_atfork (0, 0, ev_default_fork);
516 #endif
517 }
518
519 SV *ev_default_loop (unsigned int flags = 0)
520 CODE:
521 {
522 if (!default_loop_sv)
523 {
524 evapi.default_loop = ev_default_loop (flags);
525
526 if (!evapi.default_loop)
527 XSRETURN_UNDEF;
528
529 default_loop_sv = sv_bless (newRV_noinc (newSViv (PTR2IV (evapi.default_loop))), stash_loop);
530 }
531
532 RETVAL = newSVsv (default_loop_sv);
533 }
534 OUTPUT:
535 RETVAL
536
537 void ev_default_destroy ()
538 CODE:
539 ev_default_destroy ();
540 SvREFCNT_dec (default_loop_sv);
541 default_loop_sv = 0;
542
543 unsigned int ev_supported_backends ()
544
545 unsigned int ev_recommended_backends ()
546
547 unsigned int ev_embeddable_backends ()
548
549 void ev_sleep (NV interval)
550
551 NV ev_time ()
552
553 NV ev_now ()
554 C_ARGS: evapi.default_loop
555
556 void ev_now_update ()
557 C_ARGS: evapi.default_loop
558
559 void ev_suspend ()
560 C_ARGS: evapi.default_loop
561
562 void ev_resume ()
563 C_ARGS: evapi.default_loop
564
565 unsigned int ev_backend ()
566 C_ARGS: evapi.default_loop
567
568 unsigned int ev_loop_count ()
569 C_ARGS: evapi.default_loop
570
571 void ev_set_io_collect_interval (NV interval)
572 C_ARGS: evapi.default_loop, interval
573
574 void ev_set_timeout_collect_interval (NV interval)
575 C_ARGS: evapi.default_loop, interval
576
577 void ev_loop (int flags = 0)
578 C_ARGS: evapi.default_loop, flags
579
580 void ev_unloop (int how = EVUNLOOP_ONE)
581 C_ARGS: evapi.default_loop, how
582
583 void ev_feed_fd_event (int fd, int revents = EV_NONE)
584 C_ARGS: evapi.default_loop, fd, revents
585
586 void ev_feed_signal_event (SV *signal)
587 CODE:
588 {
589 Signal signum = sv_signum (signal);
590 CHECK_SIG (signal, signum);
591
592 ev_feed_signal_event (evapi.default_loop, signum);
593 }
594
595 ev_io *io (SV *fh, int events, SV *cb)
596 ALIAS:
597 io_ns = 1
598 CODE:
599 {
600 int fd = sv_fileno (fh);
601 CHECK_FD (fh, fd);
602
603 RETVAL = e_new (sizeof (ev_io), cb, default_loop_sv);
604 RETVAL->fh = newSVsv (fh);
605 ev_io_set (RETVAL, fd, events);
606 if (!ix) START (io, RETVAL);
607 }
608 OUTPUT:
609 RETVAL
610
611 ev_timer *timer (NV after, NV repeat, SV *cb)
612 ALIAS:
613 timer_ns = 1
614 INIT:
615 CHECK_REPEAT (repeat);
616 CODE:
617 RETVAL = e_new (sizeof (ev_timer), cb, default_loop_sv);
618 ev_timer_set (RETVAL, after, repeat);
619 if (!ix) START (timer, RETVAL);
620 OUTPUT:
621 RETVAL
622
623 SV *periodic (NV at, NV interval, SV *reschedule_cb, SV *cb)
624 ALIAS:
625 periodic_ns = 1
626 INIT:
627 CHECK_REPEAT (interval);
628 CODE:
629 {
630 ev_periodic *w;
631 w = e_new (sizeof (ev_periodic), cb, default_loop_sv);
632 w->fh = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
633 ev_periodic_set (w, at, interval, w->fh ? e_periodic_cb : 0);
634 RETVAL = e_bless ((ev_watcher *)w, stash_periodic);
635 if (!ix) START (periodic, w);
636 }
637 OUTPUT:
638 RETVAL
639
640 ev_signal *signal (SV *signal, SV *cb)
641 ALIAS:
642 signal_ns = 1
643 CODE:
644 {
645 Signal signum = sv_signum (signal);
646 CHECK_SIG (signal, signum);
647
648 RETVAL = e_new (sizeof (ev_signal), cb, default_loop_sv);
649 ev_signal_set (RETVAL, signum);
650 if (!ix) START (signal, RETVAL);
651 }
652 OUTPUT:
653 RETVAL
654
655 ev_idle *idle (SV *cb)
656 ALIAS:
657 idle_ns = 1
658 CODE:
659 RETVAL = e_new (sizeof (ev_idle), cb, default_loop_sv);
660 ev_idle_set (RETVAL);
661 if (!ix) START (idle, RETVAL);
662 OUTPUT:
663 RETVAL
664
665 ev_prepare *prepare (SV *cb)
666 ALIAS:
667 prepare_ns = 1
668 CODE:
669 RETVAL = e_new (sizeof (ev_prepare), cb, default_loop_sv);
670 ev_prepare_set (RETVAL);
671 if (!ix) START (prepare, RETVAL);
672 OUTPUT:
673 RETVAL
674
675 ev_check *check (SV *cb)
676 ALIAS:
677 check_ns = 1
678 CODE:
679 RETVAL = e_new (sizeof (ev_check), cb, default_loop_sv);
680 ev_check_set (RETVAL);
681 if (!ix) START (check, RETVAL);
682 OUTPUT:
683 RETVAL
684
685 ev_fork *fork (SV *cb)
686 ALIAS:
687 fork_ns = 1
688 CODE:
689 RETVAL = e_new (sizeof (ev_fork), cb, default_loop_sv);
690 ev_fork_set (RETVAL);
691 if (!ix) START (fork, RETVAL);
692 OUTPUT:
693 RETVAL
694
695 ev_child *child (int pid, int trace, SV *cb)
696 ALIAS:
697 child_ns = 1
698 CODE:
699 RETVAL = e_new (sizeof (ev_child), cb, default_loop_sv);
700 ev_child_set (RETVAL, pid, trace);
701 if (!ix) START (child, RETVAL);
702 OUTPUT:
703 RETVAL
704
705 ev_stat *stat (SV *path, NV interval, SV *cb)
706 ALIAS:
707 stat_ns = 1
708 CODE:
709 RETVAL = e_new (sizeof (ev_stat), cb, default_loop_sv);
710 RETVAL->fh = newSVsv (path);
711 ev_stat_set (RETVAL, SvPVbyte_nolen (RETVAL->fh), interval);
712 if (!ix) START (stat, RETVAL);
713 OUTPUT:
714 RETVAL
715
716 ev_embed *embed (struct ev_loop *loop, SV *cb = 0)
717 ALIAS:
718 embed_ns = 1
719 CODE:
720 {
721 if (!(ev_backend (loop) & ev_embeddable_backends ()))
722 croak ("passed loop is not embeddable via EV::embed,");
723
724 RETVAL = e_new (sizeof (ev_embed), cb, default_loop_sv);
725 RETVAL->fh = newSVsv (ST (0));
726 ev_embed_set (RETVAL, loop);
727 if (!ix) START (embed, RETVAL);
728 }
729 OUTPUT:
730 RETVAL
731
732 ev_async *async (SV *cb)
733 ALIAS:
734 async_ns = 1
735 CODE:
736 RETVAL = e_new (sizeof (ev_async), cb, default_loop_sv);
737 ev_async_set (RETVAL);
738 if (!ix) START (async, RETVAL);
739 OUTPUT:
740 RETVAL
741
742 void once (SV *fh, int events, SV *timeout, SV *cb)
743 CODE:
744 ev_once (
745 evapi.default_loop,
746 sv_fileno (fh), events,
747 SvOK (timeout) ? SvNV (timeout) : -1.,
748 e_once_cb,
749 newSVsv (cb)
750 );
751
752 PROTOTYPES: DISABLE
753
754 MODULE = EV PACKAGE = EV::Watcher PREFIX = ev_
755
756 int ev_is_active (ev_watcher *w)
757
758 int ev_is_pending (ev_watcher *w)
759
760 void ev_invoke (ev_watcher *w, int revents = EV_NONE)
761 C_ARGS: e_loop (w), w, revents
762
763 int ev_clear_pending (ev_watcher *w)
764 C_ARGS: e_loop (w), w
765
766 void ev_feed_event (ev_watcher *w, int revents = EV_NONE)
767 C_ARGS: e_loop (w), w, revents
768
769 int keepalive (ev_watcher *w, int new_value = 0)
770 CODE:
771 {
772 RETVAL = w->e_flags & WFLAG_KEEPALIVE;
773 new_value = new_value ? WFLAG_KEEPALIVE : 0;
774
775 if (items > 1 && ((new_value ^ w->e_flags) & WFLAG_KEEPALIVE))
776 {
777 w->e_flags = (w->e_flags & ~WFLAG_KEEPALIVE) | new_value;
778 REF (w);
779 UNREF (w);
780 }
781 }
782 OUTPUT:
783 RETVAL
784
785 SV *cb (ev_watcher *w, SV *new_cb = 0)
786 CODE:
787 {
788 if (items > 1)
789 {
790 new_cb = e_get_cv (new_cb);
791 RETVAL = newRV_noinc (w->cb_sv);
792 w->cb_sv = SvREFCNT_inc (new_cb);
793 }
794 else
795 RETVAL = newRV_inc (w->cb_sv);
796 }
797 OUTPUT:
798 RETVAL
799
800 SV *data (ev_watcher *w, SV *new_data = 0)
801 CODE:
802 {
803 RETVAL = w->data ? newSVsv (w->data) : &PL_sv_undef;
804
805 if (items > 1)
806 {
807 SvREFCNT_dec (w->data);
808 w->data = newSVsv (new_data);
809 }
810 }
811 OUTPUT:
812 RETVAL
813
814 SV *loop (ev_watcher *w)
815 CODE:
816 RETVAL = newRV_inc (w->loop);
817 OUTPUT:
818 RETVAL
819
820 int priority (ev_watcher *w, int new_priority = 0)
821 CODE:
822 {
823 RETVAL = w->priority;
824
825 if (items > 1)
826 {
827 int active = ev_is_active (w);
828
829 if (active)
830 {
831 /* grrr. */
832 PUSHMARK (SP);
833 XPUSHs (ST (0));
834 PUTBACK;
835 call_method ("stop", G_DISCARD | G_VOID);
836 }
837
838 ev_set_priority (w, new_priority);
839
840 if (active)
841 {
842 PUSHMARK (SP);
843 XPUSHs (ST (0));
844 PUTBACK;
845 call_method ("start", G_DISCARD | G_VOID);
846 }
847 }
848 }
849 OUTPUT:
850 RETVAL
851
852 MODULE = EV PACKAGE = EV::IO PREFIX = ev_io_
853
854 void ev_io_start (ev_io *w)
855 CODE:
856 START (io, w);
857
858 void ev_io_stop (ev_io *w)
859 CODE:
860 STOP (io, w);
861
862 void DESTROY (ev_io *w)
863 CODE:
864 STOP (io, w);
865 e_destroy (w);
866
867 void set (ev_io *w, SV *fh, int events)
868 CODE:
869 {
870 int fd = sv_fileno (fh);
871 CHECK_FD (fh, fd);
872
873 sv_setsv (w->fh, fh);
874 RESET (io, w, (w, fd, events));
875 }
876
877 SV *fh (ev_io *w, SV *new_fh = 0)
878 CODE:
879 {
880 if (items > 1)
881 {
882 int fd = sv_fileno (new_fh);
883 CHECK_FD (new_fh, fd);
884
885 RETVAL = w->fh;
886 w->fh = newSVsv (new_fh);
887
888 RESET (io, w, (w, fd, w->events));
889 }
890 else
891 RETVAL = newSVsv (w->fh);
892 }
893 OUTPUT:
894 RETVAL
895
896 int events (ev_io *w, int new_events = EV_UNDEF)
897 CODE:
898 {
899 RETVAL = w->events;
900
901 if (items > 1)
902 RESET (io, w, (w, w->fd, new_events));
903 }
904 OUTPUT:
905 RETVAL
906
907 MODULE = EV PACKAGE = EV::Signal PREFIX = ev_signal_
908
909 void ev_signal_start (ev_signal *w)
910 CODE:
911 START (signal, w);
912
913 void ev_signal_stop (ev_signal *w)
914 CODE:
915 STOP (signal, w);
916
917 void DESTROY (ev_signal *w)
918 CODE:
919 STOP (signal, w);
920 e_destroy (w);
921
922 void set (ev_signal *w, SV *signal)
923 CODE:
924 {
925 Signal signum = sv_signum (signal);
926 CHECK_SIG (signal, signum);
927
928 RESET (signal, w, (w, signum));
929 }
930
931 int signal (ev_signal *w, SV *new_signal = 0)
932 CODE:
933 {
934 RETVAL = w->signum;
935
936 if (items > 1)
937 {
938 Signal signum = sv_signum (new_signal);
939 CHECK_SIG (new_signal, signum);
940
941 RESET (signal, w, (w, signum));
942 }
943 }
944 OUTPUT:
945 RETVAL
946
947 MODULE = EV PACKAGE = EV::Timer PREFIX = ev_timer_
948
949 void ev_timer_start (ev_timer *w)
950 INIT:
951 CHECK_REPEAT (w->repeat);
952 CODE:
953 START (timer, w);
954
955 void ev_timer_stop (ev_timer *w)
956 CODE:
957 STOP (timer, w);
958
959 void ev_timer_again (ev_timer *w)
960 INIT:
961 CHECK_REPEAT (w->repeat);
962 CODE:
963 ev_timer_again (e_loop (w), w);
964 UNREF (w);
965
966 void DESTROY (ev_timer *w)
967 CODE:
968 STOP (timer, w);
969 e_destroy (w);
970
971 void set (ev_timer *w, NV after, NV repeat = 0.)
972 INIT:
973 CHECK_REPEAT (repeat);
974 CODE:
975 RESET (timer, w, (w, after, repeat));
976
977 MODULE = EV PACKAGE = EV::Periodic PREFIX = ev_periodic_
978
979 void ev_periodic_start (ev_periodic *w)
980 INIT:
981 CHECK_REPEAT (w->interval);
982 CODE:
983 START (periodic, w);
984
985 void ev_periodic_stop (ev_periodic *w)
986 CODE:
987 STOP (periodic, w);
988
989 void ev_periodic_again (ev_periodic *w)
990 CODE:
991 ev_periodic_again (e_loop (w), w);
992 UNREF (w);
993
994 void DESTROY (ev_periodic *w)
995 CODE:
996 STOP (periodic, w);
997 e_destroy (w);
998
999 void set (ev_periodic *w, NV at, NV interval = 0., SV *reschedule_cb = &PL_sv_undef)
1000 INIT:
1001 CHECK_REPEAT (interval);
1002 CODE:
1003 {
1004 SvREFCNT_dec (w->fh);
1005 w->fh = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
1006
1007 RESET (periodic, w, (w, at, interval, w->fh ? e_periodic_cb : 0));
1008 }
1009
1010 NV at (ev_periodic *w)
1011 CODE:
1012 RETVAL = ev_periodic_at (w);
1013 OUTPUT:
1014 RETVAL
1015
1016 MODULE = EV PACKAGE = EV::Idle PREFIX = ev_idle_
1017
1018 void ev_idle_start (ev_idle *w)
1019 CODE:
1020 START (idle, w);
1021
1022 void ev_idle_stop (ev_idle *w)
1023 CODE:
1024 STOP (idle, w);
1025
1026 void DESTROY (ev_idle *w)
1027 CODE:
1028 STOP (idle, w);
1029 e_destroy (w);
1030
1031 MODULE = EV PACKAGE = EV::Prepare PREFIX = ev_prepare_
1032
1033 void ev_prepare_start (ev_prepare *w)
1034 CODE:
1035 START (prepare, w);
1036
1037 void ev_prepare_stop (ev_prepare *w)
1038 CODE:
1039 STOP (prepare, w);
1040
1041 void DESTROY (ev_prepare *w)
1042 CODE:
1043 STOP (prepare, w);
1044 e_destroy (w);
1045
1046 MODULE = EV PACKAGE = EV::Check PREFIX = ev_check_
1047
1048 void ev_check_start (ev_check *w)
1049 CODE:
1050 START (check, w);
1051
1052 void ev_check_stop (ev_check *w)
1053 CODE:
1054 STOP (check, w);
1055
1056 void DESTROY (ev_check *w)
1057 CODE:
1058 STOP (check, w);
1059 e_destroy (w);
1060
1061 MODULE = EV PACKAGE = EV::Fork PREFIX = ev_fork_
1062
1063 void ev_fork_start (ev_fork *w)
1064 CODE:
1065 START (fork, w);
1066
1067 void ev_fork_stop (ev_fork *w)
1068 CODE:
1069 STOP (fork, w);
1070
1071 void DESTROY (ev_fork *w)
1072 CODE:
1073 STOP (fork, w);
1074 e_destroy (w);
1075
1076 MODULE = EV PACKAGE = EV::Child PREFIX = ev_child_
1077
1078 void ev_child_start (ev_child *w)
1079 CODE:
1080 START (child, w);
1081
1082 void ev_child_stop (ev_child *w)
1083 CODE:
1084 STOP (child, w);
1085
1086 void DESTROY (ev_child *w)
1087 CODE:
1088 STOP (child, w);
1089 e_destroy (w);
1090
1091 void set (ev_child *w, int pid, int trace)
1092 CODE:
1093 RESET (child, w, (w, pid, trace));
1094
1095 int pid (ev_child *w)
1096 ALIAS:
1097 rpid = 1
1098 rstatus = 2
1099 CODE:
1100 RETVAL = ix == 0 ? w->pid
1101 : ix == 1 ? w->rpid
1102 : w->rstatus;
1103 OUTPUT:
1104 RETVAL
1105
1106 MODULE = EV PACKAGE = EV::Stat PREFIX = ev_stat_
1107
1108 void ev_stat_start (ev_stat *w)
1109 CODE:
1110 START (stat, w);
1111
1112 void ev_stat_stop (ev_stat *w)
1113 CODE:
1114 STOP (stat, w);
1115
1116 void DESTROY (ev_stat *w)
1117 CODE:
1118 STOP (stat, w);
1119 e_destroy (w);
1120
1121 void set (ev_stat *w, SV *path, NV interval)
1122 CODE:
1123 {
1124 sv_setsv (w->fh, path);
1125 RESET (stat, w, (w, SvPVbyte_nolen (w->fh), interval));
1126 }
1127
1128 SV *path (ev_stat *w, SV *new_path = 0)
1129 CODE:
1130 {
1131 RETVAL = SvREFCNT_inc (w->fh);
1132
1133 if (items > 1)
1134 {
1135 SvREFCNT_dec (w->fh);
1136 w->fh = newSVsv (new_path);
1137 RESET (stat, w, (w, SvPVbyte_nolen (w->fh), w->interval));
1138 }
1139 }
1140 OUTPUT:
1141 RETVAL
1142
1143 NV interval (ev_stat *w, NV new_interval = 0.)
1144 CODE:
1145 {
1146 RETVAL = w->interval;
1147
1148 if (items > 1)
1149 RESET (stat, w, (w, SvPVbyte_nolen (w->fh), new_interval));
1150 }
1151 OUTPUT:
1152 RETVAL
1153
1154 void prev (ev_stat *w)
1155 ALIAS:
1156 stat = 1
1157 attr = 2
1158 PPCODE:
1159 {
1160 ev_statdata *s = ix ? &w->attr : &w->prev;
1161
1162 if (ix == 1)
1163 ev_stat_stat (e_loop (w), w);
1164 else if (!s->st_nlink)
1165 errno = ENOENT;
1166
1167 PL_statcache.st_dev = s->st_nlink;
1168 PL_statcache.st_ino = s->st_ino;
1169 PL_statcache.st_mode = s->st_mode;
1170 PL_statcache.st_nlink = s->st_nlink;
1171 PL_statcache.st_uid = s->st_uid;
1172 PL_statcache.st_gid = s->st_gid;
1173 PL_statcache.st_rdev = s->st_rdev;
1174 PL_statcache.st_size = s->st_size;
1175 PL_statcache.st_atime = s->st_atime;
1176 PL_statcache.st_mtime = s->st_mtime;
1177 PL_statcache.st_ctime = s->st_ctime;
1178
1179 if (GIMME_V == G_SCALAR)
1180 XPUSHs (boolSV (s->st_nlink));
1181 else if (GIMME_V == G_ARRAY && s->st_nlink)
1182 {
1183 EXTEND (SP, 13);
1184 PUSHs (sv_2mortal (newSViv (s->st_dev)));
1185 PUSHs (sv_2mortal (newSViv (s->st_ino)));
1186 PUSHs (sv_2mortal (newSVuv (s->st_mode)));
1187 PUSHs (sv_2mortal (newSVuv (s->st_nlink)));
1188 PUSHs (sv_2mortal (newSViv (s->st_uid)));
1189 PUSHs (sv_2mortal (newSViv (s->st_gid)));
1190 PUSHs (sv_2mortal (newSViv (s->st_rdev)));
1191 PUSHs (sv_2mortal (newSVnv ((NV)s->st_size)));
1192 PUSHs (sv_2mortal (newSVnv (s->st_atime)));
1193 PUSHs (sv_2mortal (newSVnv (s->st_mtime)));
1194 PUSHs (sv_2mortal (newSVnv (s->st_ctime)));
1195 PUSHs (sv_2mortal (newSVuv (4096)));
1196 PUSHs (sv_2mortal (newSVnv ((NV)((s->st_size + 4095) / 4096))));
1197 }
1198 }
1199
1200 MODULE = EV PACKAGE = EV::Embed PREFIX = ev_embed_
1201
1202 void ev_embed_start (ev_embed *w)
1203 CODE:
1204 START (embed, w);
1205
1206 void ev_embed_stop (ev_embed *w)
1207 CODE:
1208 STOP (embed, w);
1209
1210 void DESTROY (ev_embed *w)
1211 CODE:
1212 STOP (embed, w);
1213 e_destroy (w);
1214
1215 void set (ev_embed *w, struct ev_loop *loop)
1216 CODE:
1217 {
1218 sv_setsv (w->fh, ST (1));
1219 RESET (embed, w, (w, loop));
1220 }
1221
1222 SV *other (ev_embed *w)
1223 CODE:
1224 RETVAL = newSVsv (w->fh);
1225 OUTPUT:
1226 RETVAL
1227
1228 void ev_embed_sweep (ev_embed *w)
1229 C_ARGS: e_loop (w), w
1230
1231 MODULE = EV PACKAGE = EV::Async PREFIX = ev_async_
1232
1233 void ev_async_start (ev_async *w)
1234 CODE:
1235 START (async, w);
1236
1237 void ev_async_stop (ev_async *w)
1238 CODE:
1239 STOP (async, w);
1240
1241 void DESTROY (ev_async *w)
1242 CODE:
1243 STOP (async, w);
1244 e_destroy (w);
1245
1246 void ev_async_send (ev_async *w)
1247 C_ARGS: e_loop (w), w
1248
1249 SV *ev_async_async_pending (ev_async *w)
1250 CODE:
1251 RETVAL = boolSV (ev_async_pending (w));
1252 OUTPUT:
1253 RETVAL
1254
1255 MODULE = EV PACKAGE = EV::Loop PREFIX = ev_
1256
1257 SV *new (SV *klass, unsigned int flags = 0)
1258 CODE:
1259 {
1260 struct ev_loop *loop = ev_loop_new (flags);
1261
1262 if (!loop)
1263 XSRETURN_UNDEF;
1264
1265 RETVAL = sv_bless (newRV_noinc (newSViv (PTR2IV (loop))), stash_loop);
1266 }
1267 OUTPUT:
1268 RETVAL
1269
1270 void DESTROY (struct ev_loop *loop)
1271 CODE:
1272 if (loop != evapi.default_loop) /* global destruction sucks */
1273 ev_loop_destroy (loop);
1274
1275 void ev_loop_fork (struct ev_loop *loop)
1276
1277 void ev_loop_verify (struct ev_loop *loop)
1278
1279 NV ev_now (struct ev_loop *loop)
1280
1281 void ev_now_update (struct ev_loop *loop)
1282
1283 void ev_suspend (struct ev_loop *loop)
1284
1285 void ev_resume (struct ev_loop *loop)
1286
1287 void ev_set_io_collect_interval (struct ev_loop *loop, NV interval)
1288
1289 void ev_set_timeout_collect_interval (struct ev_loop *loop, NV interval)
1290
1291 unsigned int ev_backend (struct ev_loop *loop)
1292
1293 unsigned int ev_loop_count (struct ev_loop *loop)
1294
1295 void ev_loop (struct ev_loop *loop, int flags = 0)
1296
1297 void ev_unloop (struct ev_loop *loop, int how = 1)
1298
1299 void ev_feed_fd_event (struct ev_loop *loop, int fd, int revents = EV_NONE)
1300
1301 #if 0
1302
1303 void ev_feed_signal_event (struct ev_loop *loop, SV *signal)
1304 CODE:
1305 {
1306 Signal signum = sv_signum (signal);
1307 CHECK_SIG (signal, signum);
1308
1309 ev_feed_signal_event (loop, signum);
1310 }
1311
1312 #endif
1313
1314 ev_io *io (struct ev_loop *loop, SV *fh, int events, SV *cb)
1315 ALIAS:
1316 io_ns = 1
1317 CODE:
1318 {
1319 int fd = sv_fileno (fh);
1320 CHECK_FD (fh, fd);
1321
1322 RETVAL = e_new (sizeof (ev_io), cb, ST (0));
1323 RETVAL->fh = newSVsv (fh);
1324 ev_io_set (RETVAL, fd, events);
1325 if (!ix) START (io, RETVAL);
1326 }
1327 OUTPUT:
1328 RETVAL
1329
1330 ev_timer *timer (struct ev_loop *loop, NV after, NV repeat, SV *cb)
1331 ALIAS:
1332 timer_ns = 1
1333 INIT:
1334 CHECK_REPEAT (repeat);
1335 CODE:
1336 RETVAL = e_new (sizeof (ev_timer), cb, ST (0));
1337 ev_timer_set (RETVAL, after, repeat);
1338 if (!ix) START (timer, RETVAL);
1339 OUTPUT:
1340 RETVAL
1341
1342 SV *periodic (struct ev_loop *loop, NV at, NV interval, SV *reschedule_cb, SV *cb)
1343 ALIAS:
1344 periodic_ns = 1
1345 INIT:
1346 CHECK_REPEAT (interval);
1347 CODE:
1348 {
1349 ev_periodic *w;
1350 w = e_new (sizeof (ev_periodic), cb, ST (0));
1351 w->fh = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
1352 ev_periodic_set (w, at, interval, w->fh ? e_periodic_cb : 0);
1353 RETVAL = e_bless ((ev_watcher *)w, stash_periodic);
1354 if (!ix) START (periodic, w);
1355 }
1356 OUTPUT:
1357 RETVAL
1358
1359 #if 0
1360
1361 ev_signal *signal (struct ev_loop *loop, SV *signal, SV *cb)
1362 ALIAS:
1363 signal_ns = 1
1364 CODE:
1365 {
1366 Signal signum = sv_signum (signal);
1367 CHECK_SIG (signal, signum);
1368
1369 RETVAL = e_new (sizeof (ev_signal), cb, ST (0));
1370 ev_signal_set (RETVAL, signum);
1371 if (!ix) START (signal, RETVAL);
1372 }
1373 OUTPUT:
1374 RETVAL
1375
1376 #endif
1377
1378 ev_idle *idle (struct ev_loop *loop, SV *cb)
1379 ALIAS:
1380 idle_ns = 1
1381 CODE:
1382 RETVAL = e_new (sizeof (ev_idle), cb, ST (0));
1383 ev_idle_set (RETVAL);
1384 if (!ix) START (idle, RETVAL);
1385 OUTPUT:
1386 RETVAL
1387
1388 ev_prepare *prepare (struct ev_loop *loop, SV *cb)
1389 ALIAS:
1390 prepare_ns = 1
1391 CODE:
1392 RETVAL = e_new (sizeof (ev_prepare), cb, ST (0));
1393 ev_prepare_set (RETVAL);
1394 if (!ix) START (prepare, RETVAL);
1395 OUTPUT:
1396 RETVAL
1397
1398 ev_check *check (struct ev_loop *loop, SV *cb)
1399 ALIAS:
1400 check_ns = 1
1401 CODE:
1402 RETVAL = e_new (sizeof (ev_check), cb, ST (0));
1403 ev_check_set (RETVAL);
1404 if (!ix) START (check, RETVAL);
1405 OUTPUT:
1406 RETVAL
1407
1408 ev_fork *fork (struct ev_loop *loop, SV *cb)
1409 ALIAS:
1410 fork_ns = 1
1411 CODE:
1412 RETVAL = e_new (sizeof (ev_fork), cb, ST (0));
1413 ev_fork_set (RETVAL);
1414 if (!ix) START (fork, RETVAL);
1415 OUTPUT:
1416 RETVAL
1417
1418 ev_child *child (struct ev_loop *loop, int pid, int trace, SV *cb)
1419 ALIAS:
1420 child_ns = 1
1421 CODE:
1422 RETVAL = e_new (sizeof (ev_child), cb, ST (0));
1423 ev_child_set (RETVAL, pid, trace);
1424 if (!ix) START (child, RETVAL);
1425 OUTPUT:
1426 RETVAL
1427
1428 ev_stat *stat (struct ev_loop *loop, SV *path, NV interval, SV *cb)
1429 ALIAS:
1430 stat_ns = 1
1431 CODE:
1432 RETVAL = e_new (sizeof (ev_stat), cb, ST (0));
1433 RETVAL->fh = newSVsv (path);
1434 ev_stat_set (RETVAL, SvPVbyte_nolen (RETVAL->fh), interval);
1435 if (!ix) START (stat, RETVAL);
1436 OUTPUT:
1437 RETVAL
1438
1439 ev_embed *embed (struct ev_loop *loop, struct ev_loop *other, SV *cb = 0)
1440 ALIAS:
1441 embed_ns = 1
1442 CODE:
1443 {
1444 if (!(ev_backend (other) & ev_embeddable_backends ()))
1445 croak ("passed loop is not embeddable via EV::embed,");
1446
1447 RETVAL = e_new (sizeof (ev_embed), cb, ST (0));
1448 RETVAL->fh = newSVsv (ST (1));
1449 ev_embed_set (RETVAL, other);
1450 if (!ix) START (embed, RETVAL);
1451 }
1452 OUTPUT:
1453 RETVAL
1454
1455 ev_async *async (struct ev_loop *loop, SV *cb)
1456 ALIAS:
1457 async_ns = 1
1458 CODE:
1459 RETVAL = e_new (sizeof (ev_async), cb, ST (0));
1460 ev_async_set (RETVAL);
1461 if (!ix) START (async, RETVAL);
1462 OUTPUT:
1463 RETVAL
1464
1465 void once (struct ev_loop *loop, SV *fh, int events, SV *timeout, SV *cb)
1466 CODE:
1467 ev_once (
1468 loop,
1469 sv_fileno (fh), events,
1470 SvOK (timeout) ? SvNV (timeout) : -1.,
1471 e_once_cb,
1472 newSVsv (cb)
1473 );
1474