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/cvs/EV/EV.xs
Revision: 1.125
Committed: Wed Jul 8 02:46:05 2009 UTC (14 years, 10 months ago) by root
Branch: MAIN
Changes since 1.124: +9 -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 /* 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.loop_depth = ev_loop_depth;
471 evapi.now = ev_now;
472 evapi.now_update = ev_now_update;
473 evapi.suspend = ev_suspend;
474 evapi.resume = ev_resume;
475 evapi.backend = ev_backend;
476 evapi.unloop = ev_unloop;
477 evapi.ref = ev_ref;
478 evapi.unref = ev_unref;
479 evapi.loop = ev_loop;
480 evapi.once = ev_once;
481 evapi.io_start = ev_io_start;
482 evapi.io_stop = ev_io_stop;
483 evapi.timer_start = ev_timer_start;
484 evapi.timer_stop = ev_timer_stop;
485 evapi.timer_again = ev_timer_again;
486 evapi.periodic_start = ev_periodic_start;
487 evapi.periodic_stop = ev_periodic_stop;
488 evapi.signal_start = ev_signal_start;
489 evapi.signal_stop = ev_signal_stop;
490 evapi.idle_start = ev_idle_start;
491 evapi.idle_stop = ev_idle_stop;
492 evapi.prepare_start = ev_prepare_start;
493 evapi.prepare_stop = ev_prepare_stop;
494 evapi.check_start = ev_check_start;
495 evapi.check_stop = ev_check_stop;
496 evapi.child_start = ev_child_start;
497 evapi.child_stop = ev_child_stop;
498 evapi.stat_start = ev_stat_start;
499 evapi.stat_stop = ev_stat_stop;
500 evapi.stat_stat = ev_stat_stat;
501 evapi.embed_start = ev_embed_start;
502 evapi.embed_stop = ev_embed_stop;
503 evapi.embed_sweep = ev_embed_sweep;
504 evapi.fork_start = ev_fork_start;
505 evapi.fork_stop = ev_fork_stop;
506 evapi.async_start = ev_async_start;
507 evapi.async_stop = ev_async_stop;
508 evapi.async_send = ev_async_send;
509 evapi.clear_pending = ev_clear_pending;
510 evapi.invoke = ev_invoke;
511
512 sv_setiv (sv, (IV)&evapi);
513 SvREADONLY_on (sv);
514 }
515 #ifndef _WIN32
516 pthread_atfork (0, 0, ev_default_fork);
517 #endif
518 }
519
520 SV *ev_default_loop (unsigned int flags = 0)
521 CODE:
522 {
523 if (!default_loop_sv)
524 {
525 evapi.default_loop = ev_default_loop (flags);
526
527 if (!evapi.default_loop)
528 XSRETURN_UNDEF;
529
530 default_loop_sv = sv_bless (newRV_noinc (newSViv (PTR2IV (evapi.default_loop))), stash_loop);
531 }
532
533 RETVAL = newSVsv (default_loop_sv);
534 }
535 OUTPUT:
536 RETVAL
537
538 void ev_default_destroy ()
539 CODE:
540 ev_default_destroy ();
541 SvREFCNT_dec (default_loop_sv);
542 default_loop_sv = 0;
543
544 unsigned int ev_supported_backends ()
545
546 unsigned int ev_recommended_backends ()
547
548 unsigned int ev_embeddable_backends ()
549
550 void ev_sleep (NV interval)
551
552 NV ev_time ()
553
554 NV ev_now ()
555 C_ARGS: evapi.default_loop
556
557 void ev_now_update ()
558 C_ARGS: evapi.default_loop
559
560 void ev_suspend ()
561 C_ARGS: evapi.default_loop
562
563 void ev_resume ()
564 C_ARGS: evapi.default_loop
565
566 unsigned int ev_backend ()
567 C_ARGS: evapi.default_loop
568
569 void ev_loop_verify ()
570 C_ARGS: evapi.default_loop
571
572 unsigned int ev_loop_count ()
573 C_ARGS: evapi.default_loop
574
575 unsigned int ev_loop_depth ()
576 C_ARGS: evapi.default_loop
577
578 void ev_set_io_collect_interval (NV interval)
579 C_ARGS: evapi.default_loop, interval
580
581 void ev_set_timeout_collect_interval (NV interval)
582 C_ARGS: evapi.default_loop, interval
583
584 void ev_loop (int flags = 0)
585 C_ARGS: evapi.default_loop, flags
586
587 void ev_unloop (int how = EVUNLOOP_ONE)
588 C_ARGS: evapi.default_loop, how
589
590 void ev_feed_fd_event (int fd, int revents = EV_NONE)
591 C_ARGS: evapi.default_loop, fd, revents
592
593 void ev_feed_signal_event (SV *signal)
594 CODE:
595 {
596 Signal signum = sv_signum (signal);
597 CHECK_SIG (signal, signum);
598
599 ev_feed_signal_event (evapi.default_loop, signum);
600 }
601
602 ev_io *io (SV *fh, int events, SV *cb)
603 ALIAS:
604 io_ns = 1
605 CODE:
606 {
607 int fd = sv_fileno (fh);
608 CHECK_FD (fh, fd);
609
610 RETVAL = e_new (sizeof (ev_io), cb, default_loop_sv);
611 RETVAL->fh = newSVsv (fh);
612 ev_io_set (RETVAL, fd, events);
613 if (!ix) START (io, RETVAL);
614 }
615 OUTPUT:
616 RETVAL
617
618 ev_timer *timer (NV after, NV repeat, SV *cb)
619 ALIAS:
620 timer_ns = 1
621 INIT:
622 CHECK_REPEAT (repeat);
623 CODE:
624 RETVAL = e_new (sizeof (ev_timer), cb, default_loop_sv);
625 ev_timer_set (RETVAL, after, repeat);
626 if (!ix) START (timer, RETVAL);
627 OUTPUT:
628 RETVAL
629
630 SV *periodic (NV at, NV interval, SV *reschedule_cb, SV *cb)
631 ALIAS:
632 periodic_ns = 1
633 INIT:
634 CHECK_REPEAT (interval);
635 CODE:
636 {
637 ev_periodic *w;
638 w = e_new (sizeof (ev_periodic), cb, default_loop_sv);
639 w->fh = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
640 ev_periodic_set (w, at, interval, w->fh ? e_periodic_cb : 0);
641 RETVAL = e_bless ((ev_watcher *)w, stash_periodic);
642 if (!ix) START (periodic, w);
643 }
644 OUTPUT:
645 RETVAL
646
647 ev_signal *signal (SV *signal, SV *cb)
648 ALIAS:
649 signal_ns = 1
650 CODE:
651 {
652 Signal signum = sv_signum (signal);
653 CHECK_SIG (signal, signum);
654
655 RETVAL = e_new (sizeof (ev_signal), cb, default_loop_sv);
656 ev_signal_set (RETVAL, signum);
657 if (!ix) START (signal, RETVAL);
658 }
659 OUTPUT:
660 RETVAL
661
662 ev_idle *idle (SV *cb)
663 ALIAS:
664 idle_ns = 1
665 CODE:
666 RETVAL = e_new (sizeof (ev_idle), cb, default_loop_sv);
667 ev_idle_set (RETVAL);
668 if (!ix) START (idle, RETVAL);
669 OUTPUT:
670 RETVAL
671
672 ev_prepare *prepare (SV *cb)
673 ALIAS:
674 prepare_ns = 1
675 CODE:
676 RETVAL = e_new (sizeof (ev_prepare), cb, default_loop_sv);
677 ev_prepare_set (RETVAL);
678 if (!ix) START (prepare, RETVAL);
679 OUTPUT:
680 RETVAL
681
682 ev_check *check (SV *cb)
683 ALIAS:
684 check_ns = 1
685 CODE:
686 RETVAL = e_new (sizeof (ev_check), cb, default_loop_sv);
687 ev_check_set (RETVAL);
688 if (!ix) START (check, RETVAL);
689 OUTPUT:
690 RETVAL
691
692 ev_fork *fork (SV *cb)
693 ALIAS:
694 fork_ns = 1
695 CODE:
696 RETVAL = e_new (sizeof (ev_fork), cb, default_loop_sv);
697 ev_fork_set (RETVAL);
698 if (!ix) START (fork, RETVAL);
699 OUTPUT:
700 RETVAL
701
702 ev_child *child (int pid, int trace, SV *cb)
703 ALIAS:
704 child_ns = 1
705 CODE:
706 RETVAL = e_new (sizeof (ev_child), cb, default_loop_sv);
707 ev_child_set (RETVAL, pid, trace);
708 if (!ix) START (child, RETVAL);
709 OUTPUT:
710 RETVAL
711
712 ev_stat *stat (SV *path, NV interval, SV *cb)
713 ALIAS:
714 stat_ns = 1
715 CODE:
716 RETVAL = e_new (sizeof (ev_stat), cb, default_loop_sv);
717 RETVAL->fh = newSVsv (path);
718 ev_stat_set (RETVAL, SvPVbyte_nolen (RETVAL->fh), interval);
719 if (!ix) START (stat, RETVAL);
720 OUTPUT:
721 RETVAL
722
723 ev_embed *embed (struct ev_loop *loop, SV *cb = 0)
724 ALIAS:
725 embed_ns = 1
726 CODE:
727 {
728 if (!(ev_backend (loop) & ev_embeddable_backends ()))
729 croak ("passed loop is not embeddable via EV::embed,");
730
731 RETVAL = e_new (sizeof (ev_embed), cb, default_loop_sv);
732 RETVAL->fh = newSVsv (ST (0));
733 ev_embed_set (RETVAL, loop);
734 if (!ix) START (embed, RETVAL);
735 }
736 OUTPUT:
737 RETVAL
738
739 ev_async *async (SV *cb)
740 ALIAS:
741 async_ns = 1
742 CODE:
743 RETVAL = e_new (sizeof (ev_async), cb, default_loop_sv);
744 ev_async_set (RETVAL);
745 if (!ix) START (async, RETVAL);
746 OUTPUT:
747 RETVAL
748
749 void once (SV *fh, int events, SV *timeout, SV *cb)
750 CODE:
751 ev_once (
752 evapi.default_loop,
753 sv_fileno (fh), events,
754 SvOK (timeout) ? SvNV (timeout) : -1.,
755 e_once_cb,
756 newSVsv (cb)
757 );
758
759 PROTOTYPES: DISABLE
760
761 MODULE = EV PACKAGE = EV::Watcher PREFIX = ev_
762
763 int ev_is_active (ev_watcher *w)
764
765 int ev_is_pending (ev_watcher *w)
766
767 void ev_invoke (ev_watcher *w, int revents = EV_NONE)
768 C_ARGS: e_loop (w), w, revents
769
770 int ev_clear_pending (ev_watcher *w)
771 C_ARGS: e_loop (w), w
772
773 void ev_feed_event (ev_watcher *w, int revents = EV_NONE)
774 C_ARGS: e_loop (w), w, revents
775
776 int keepalive (ev_watcher *w, int new_value = 0)
777 CODE:
778 {
779 RETVAL = w->e_flags & WFLAG_KEEPALIVE;
780 new_value = new_value ? WFLAG_KEEPALIVE : 0;
781
782 if (items > 1 && ((new_value ^ w->e_flags) & WFLAG_KEEPALIVE))
783 {
784 w->e_flags = (w->e_flags & ~WFLAG_KEEPALIVE) | new_value;
785 REF (w);
786 UNREF (w);
787 }
788 }
789 OUTPUT:
790 RETVAL
791
792 SV *cb (ev_watcher *w, SV *new_cb = 0)
793 CODE:
794 {
795 if (items > 1)
796 {
797 new_cb = e_get_cv (new_cb);
798 RETVAL = newRV_noinc (w->cb_sv);
799 w->cb_sv = SvREFCNT_inc (new_cb);
800 }
801 else
802 RETVAL = newRV_inc (w->cb_sv);
803 }
804 OUTPUT:
805 RETVAL
806
807 SV *data (ev_watcher *w, SV *new_data = 0)
808 CODE:
809 {
810 RETVAL = w->data ? newSVsv (w->data) : &PL_sv_undef;
811
812 if (items > 1)
813 {
814 SvREFCNT_dec (w->data);
815 w->data = newSVsv (new_data);
816 }
817 }
818 OUTPUT:
819 RETVAL
820
821 SV *loop (ev_watcher *w)
822 CODE:
823 RETVAL = newRV_inc (w->loop);
824 OUTPUT:
825 RETVAL
826
827 int priority (ev_watcher *w, int new_priority = 0)
828 CODE:
829 {
830 RETVAL = w->priority;
831
832 if (items > 1)
833 {
834 int active = ev_is_active (w);
835
836 if (active)
837 {
838 /* grrr. */
839 PUSHMARK (SP);
840 XPUSHs (ST (0));
841 PUTBACK;
842 call_method ("stop", G_DISCARD | G_VOID);
843 }
844
845 ev_set_priority (w, new_priority);
846
847 if (active)
848 {
849 PUSHMARK (SP);
850 XPUSHs (ST (0));
851 PUTBACK;
852 call_method ("start", G_DISCARD | G_VOID);
853 }
854 }
855 }
856 OUTPUT:
857 RETVAL
858
859 MODULE = EV PACKAGE = EV::IO PREFIX = ev_io_
860
861 void ev_io_start (ev_io *w)
862 CODE:
863 START (io, w);
864
865 void ev_io_stop (ev_io *w)
866 CODE:
867 STOP (io, w);
868
869 void DESTROY (ev_io *w)
870 CODE:
871 STOP (io, w);
872 e_destroy (w);
873
874 void set (ev_io *w, SV *fh, int events)
875 CODE:
876 {
877 int fd = sv_fileno (fh);
878 CHECK_FD (fh, fd);
879
880 sv_setsv (w->fh, fh);
881 RESET (io, w, (w, fd, events));
882 }
883
884 SV *fh (ev_io *w, SV *new_fh = 0)
885 CODE:
886 {
887 if (items > 1)
888 {
889 int fd = sv_fileno (new_fh);
890 CHECK_FD (new_fh, fd);
891
892 RETVAL = w->fh;
893 w->fh = newSVsv (new_fh);
894
895 RESET (io, w, (w, fd, w->events));
896 }
897 else
898 RETVAL = newSVsv (w->fh);
899 }
900 OUTPUT:
901 RETVAL
902
903 int events (ev_io *w, int new_events = EV_UNDEF)
904 CODE:
905 {
906 RETVAL = w->events;
907
908 if (items > 1)
909 RESET (io, w, (w, w->fd, new_events));
910 }
911 OUTPUT:
912 RETVAL
913
914 MODULE = EV PACKAGE = EV::Signal PREFIX = ev_signal_
915
916 void ev_signal_start (ev_signal *w)
917 CODE:
918 START (signal, w);
919
920 void ev_signal_stop (ev_signal *w)
921 CODE:
922 STOP (signal, w);
923
924 void DESTROY (ev_signal *w)
925 CODE:
926 STOP (signal, w);
927 e_destroy (w);
928
929 void set (ev_signal *w, SV *signal)
930 CODE:
931 {
932 Signal signum = sv_signum (signal);
933 CHECK_SIG (signal, signum);
934
935 RESET (signal, w, (w, signum));
936 }
937
938 int signal (ev_signal *w, SV *new_signal = 0)
939 CODE:
940 {
941 RETVAL = w->signum;
942
943 if (items > 1)
944 {
945 Signal signum = sv_signum (new_signal);
946 CHECK_SIG (new_signal, signum);
947
948 RESET (signal, w, (w, signum));
949 }
950 }
951 OUTPUT:
952 RETVAL
953
954 MODULE = EV PACKAGE = EV::Timer PREFIX = ev_timer_
955
956 void ev_timer_start (ev_timer *w)
957 INIT:
958 CHECK_REPEAT (w->repeat);
959 CODE:
960 START (timer, w);
961
962 void ev_timer_stop (ev_timer *w)
963 CODE:
964 STOP (timer, w);
965
966 void ev_timer_again (ev_timer *w)
967 INIT:
968 CHECK_REPEAT (w->repeat);
969 CODE:
970 ev_timer_again (e_loop (w), w);
971 UNREF (w);
972
973 void DESTROY (ev_timer *w)
974 CODE:
975 STOP (timer, w);
976 e_destroy (w);
977
978 void set (ev_timer *w, NV after, NV repeat = 0.)
979 INIT:
980 CHECK_REPEAT (repeat);
981 CODE:
982 RESET (timer, w, (w, after, repeat));
983
984 MODULE = EV PACKAGE = EV::Periodic PREFIX = ev_periodic_
985
986 void ev_periodic_start (ev_periodic *w)
987 INIT:
988 CHECK_REPEAT (w->interval);
989 CODE:
990 START (periodic, w);
991
992 void ev_periodic_stop (ev_periodic *w)
993 CODE:
994 STOP (periodic, w);
995
996 void ev_periodic_again (ev_periodic *w)
997 CODE:
998 ev_periodic_again (e_loop (w), w);
999 UNREF (w);
1000
1001 void DESTROY (ev_periodic *w)
1002 CODE:
1003 STOP (periodic, w);
1004 e_destroy (w);
1005
1006 void set (ev_periodic *w, NV at, NV interval = 0., SV *reschedule_cb = &PL_sv_undef)
1007 INIT:
1008 CHECK_REPEAT (interval);
1009 CODE:
1010 {
1011 SvREFCNT_dec (w->fh);
1012 w->fh = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
1013
1014 RESET (periodic, w, (w, at, interval, w->fh ? e_periodic_cb : 0));
1015 }
1016
1017 NV at (ev_periodic *w)
1018 CODE:
1019 RETVAL = ev_periodic_at (w);
1020 OUTPUT:
1021 RETVAL
1022
1023 MODULE = EV PACKAGE = EV::Idle PREFIX = ev_idle_
1024
1025 void ev_idle_start (ev_idle *w)
1026 CODE:
1027 START (idle, w);
1028
1029 void ev_idle_stop (ev_idle *w)
1030 CODE:
1031 STOP (idle, w);
1032
1033 void DESTROY (ev_idle *w)
1034 CODE:
1035 STOP (idle, w);
1036 e_destroy (w);
1037
1038 MODULE = EV PACKAGE = EV::Prepare PREFIX = ev_prepare_
1039
1040 void ev_prepare_start (ev_prepare *w)
1041 CODE:
1042 START (prepare, w);
1043
1044 void ev_prepare_stop (ev_prepare *w)
1045 CODE:
1046 STOP (prepare, w);
1047
1048 void DESTROY (ev_prepare *w)
1049 CODE:
1050 STOP (prepare, w);
1051 e_destroy (w);
1052
1053 MODULE = EV PACKAGE = EV::Check PREFIX = ev_check_
1054
1055 void ev_check_start (ev_check *w)
1056 CODE:
1057 START (check, w);
1058
1059 void ev_check_stop (ev_check *w)
1060 CODE:
1061 STOP (check, w);
1062
1063 void DESTROY (ev_check *w)
1064 CODE:
1065 STOP (check, w);
1066 e_destroy (w);
1067
1068 MODULE = EV PACKAGE = EV::Fork PREFIX = ev_fork_
1069
1070 void ev_fork_start (ev_fork *w)
1071 CODE:
1072 START (fork, w);
1073
1074 void ev_fork_stop (ev_fork *w)
1075 CODE:
1076 STOP (fork, w);
1077
1078 void DESTROY (ev_fork *w)
1079 CODE:
1080 STOP (fork, w);
1081 e_destroy (w);
1082
1083 MODULE = EV PACKAGE = EV::Child PREFIX = ev_child_
1084
1085 void ev_child_start (ev_child *w)
1086 CODE:
1087 START (child, w);
1088
1089 void ev_child_stop (ev_child *w)
1090 CODE:
1091 STOP (child, w);
1092
1093 void DESTROY (ev_child *w)
1094 CODE:
1095 STOP (child, w);
1096 e_destroy (w);
1097
1098 void set (ev_child *w, int pid, int trace)
1099 CODE:
1100 RESET (child, w, (w, pid, trace));
1101
1102 int pid (ev_child *w)
1103 ALIAS:
1104 rpid = 1
1105 rstatus = 2
1106 CODE:
1107 RETVAL = ix == 0 ? w->pid
1108 : ix == 1 ? w->rpid
1109 : w->rstatus;
1110 OUTPUT:
1111 RETVAL
1112
1113 MODULE = EV PACKAGE = EV::Stat PREFIX = ev_stat_
1114
1115 void ev_stat_start (ev_stat *w)
1116 CODE:
1117 START (stat, w);
1118
1119 void ev_stat_stop (ev_stat *w)
1120 CODE:
1121 STOP (stat, w);
1122
1123 void DESTROY (ev_stat *w)
1124 CODE:
1125 STOP (stat, w);
1126 e_destroy (w);
1127
1128 void set (ev_stat *w, SV *path, NV interval)
1129 CODE:
1130 {
1131 sv_setsv (w->fh, path);
1132 RESET (stat, w, (w, SvPVbyte_nolen (w->fh), interval));
1133 }
1134
1135 SV *path (ev_stat *w, SV *new_path = 0)
1136 CODE:
1137 {
1138 RETVAL = SvREFCNT_inc (w->fh);
1139
1140 if (items > 1)
1141 {
1142 SvREFCNT_dec (w->fh);
1143 w->fh = newSVsv (new_path);
1144 RESET (stat, w, (w, SvPVbyte_nolen (w->fh), w->interval));
1145 }
1146 }
1147 OUTPUT:
1148 RETVAL
1149
1150 NV interval (ev_stat *w, NV new_interval = 0.)
1151 CODE:
1152 {
1153 RETVAL = w->interval;
1154
1155 if (items > 1)
1156 RESET (stat, w, (w, SvPVbyte_nolen (w->fh), new_interval));
1157 }
1158 OUTPUT:
1159 RETVAL
1160
1161 void prev (ev_stat *w)
1162 ALIAS:
1163 stat = 1
1164 attr = 2
1165 PPCODE:
1166 {
1167 ev_statdata *s = ix ? &w->attr : &w->prev;
1168
1169 if (ix == 1)
1170 ev_stat_stat (e_loop (w), w);
1171 else if (!s->st_nlink)
1172 errno = ENOENT;
1173
1174 PL_statcache.st_dev = s->st_nlink;
1175 PL_statcache.st_ino = s->st_ino;
1176 PL_statcache.st_mode = s->st_mode;
1177 PL_statcache.st_nlink = s->st_nlink;
1178 PL_statcache.st_uid = s->st_uid;
1179 PL_statcache.st_gid = s->st_gid;
1180 PL_statcache.st_rdev = s->st_rdev;
1181 PL_statcache.st_size = s->st_size;
1182 PL_statcache.st_atime = s->st_atime;
1183 PL_statcache.st_mtime = s->st_mtime;
1184 PL_statcache.st_ctime = s->st_ctime;
1185
1186 if (GIMME_V == G_SCALAR)
1187 XPUSHs (boolSV (s->st_nlink));
1188 else if (GIMME_V == G_ARRAY && s->st_nlink)
1189 {
1190 EXTEND (SP, 13);
1191 PUSHs (sv_2mortal (newSViv (s->st_dev)));
1192 PUSHs (sv_2mortal (newSViv (s->st_ino)));
1193 PUSHs (sv_2mortal (newSVuv (s->st_mode)));
1194 PUSHs (sv_2mortal (newSVuv (s->st_nlink)));
1195 PUSHs (sv_2mortal (newSViv (s->st_uid)));
1196 PUSHs (sv_2mortal (newSViv (s->st_gid)));
1197 PUSHs (sv_2mortal (newSViv (s->st_rdev)));
1198 PUSHs (sv_2mortal (newSVnv ((NV)s->st_size)));
1199 PUSHs (sv_2mortal (newSVnv (s->st_atime)));
1200 PUSHs (sv_2mortal (newSVnv (s->st_mtime)));
1201 PUSHs (sv_2mortal (newSVnv (s->st_ctime)));
1202 PUSHs (sv_2mortal (newSVuv (4096)));
1203 PUSHs (sv_2mortal (newSVnv ((NV)((s->st_size + 4095) / 4096))));
1204 }
1205 }
1206
1207 MODULE = EV PACKAGE = EV::Embed PREFIX = ev_embed_
1208
1209 void ev_embed_start (ev_embed *w)
1210 CODE:
1211 START (embed, w);
1212
1213 void ev_embed_stop (ev_embed *w)
1214 CODE:
1215 STOP (embed, w);
1216
1217 void DESTROY (ev_embed *w)
1218 CODE:
1219 STOP (embed, w);
1220 e_destroy (w);
1221
1222 void set (ev_embed *w, struct ev_loop *loop)
1223 CODE:
1224 {
1225 sv_setsv (w->fh, ST (1));
1226 RESET (embed, w, (w, loop));
1227 }
1228
1229 SV *other (ev_embed *w)
1230 CODE:
1231 RETVAL = newSVsv (w->fh);
1232 OUTPUT:
1233 RETVAL
1234
1235 void ev_embed_sweep (ev_embed *w)
1236 C_ARGS: e_loop (w), w
1237
1238 MODULE = EV PACKAGE = EV::Async PREFIX = ev_async_
1239
1240 void ev_async_start (ev_async *w)
1241 CODE:
1242 START (async, w);
1243
1244 void ev_async_stop (ev_async *w)
1245 CODE:
1246 STOP (async, w);
1247
1248 void DESTROY (ev_async *w)
1249 CODE:
1250 STOP (async, w);
1251 e_destroy (w);
1252
1253 void ev_async_send (ev_async *w)
1254 C_ARGS: e_loop (w), w
1255
1256 SV *ev_async_async_pending (ev_async *w)
1257 CODE:
1258 RETVAL = boolSV (ev_async_pending (w));
1259 OUTPUT:
1260 RETVAL
1261
1262 MODULE = EV PACKAGE = EV::Loop PREFIX = ev_
1263
1264 SV *new (SV *klass, unsigned int flags = 0)
1265 CODE:
1266 {
1267 struct ev_loop *loop = ev_loop_new (flags);
1268
1269 if (!loop)
1270 XSRETURN_UNDEF;
1271
1272 RETVAL = sv_bless (newRV_noinc (newSViv (PTR2IV (loop))), stash_loop);
1273 }
1274 OUTPUT:
1275 RETVAL
1276
1277 void DESTROY (struct ev_loop *loop)
1278 CODE:
1279 if (loop != evapi.default_loop) /* global destruction sucks */
1280 ev_loop_destroy (loop);
1281
1282 void ev_loop_fork (struct ev_loop *loop)
1283
1284 void ev_loop_verify (struct ev_loop *loop)
1285
1286 NV ev_now (struct ev_loop *loop)
1287
1288 void ev_now_update (struct ev_loop *loop)
1289
1290 void ev_suspend (struct ev_loop *loop)
1291
1292 void ev_resume (struct ev_loop *loop)
1293
1294 void ev_set_io_collect_interval (struct ev_loop *loop, NV interval)
1295
1296 void ev_set_timeout_collect_interval (struct ev_loop *loop, NV interval)
1297
1298 unsigned int ev_backend (struct ev_loop *loop)
1299
1300 unsigned int ev_loop_count (struct ev_loop *loop)
1301
1302 unsigned int ev_loop_depth (struct ev_loop *loop)
1303
1304 void ev_loop (struct ev_loop *loop, int flags = 0)
1305
1306 void ev_unloop (struct ev_loop *loop, int how = 1)
1307
1308 void ev_feed_fd_event (struct ev_loop *loop, int fd, int revents = EV_NONE)
1309
1310 #if 0
1311
1312 void ev_feed_signal_event (struct ev_loop *loop, SV *signal)
1313 CODE:
1314 {
1315 Signal signum = sv_signum (signal);
1316 CHECK_SIG (signal, signum);
1317
1318 ev_feed_signal_event (loop, signum);
1319 }
1320
1321 #endif
1322
1323 ev_io *io (struct ev_loop *loop, SV *fh, int events, SV *cb)
1324 ALIAS:
1325 io_ns = 1
1326 CODE:
1327 {
1328 int fd = sv_fileno (fh);
1329 CHECK_FD (fh, fd);
1330
1331 RETVAL = e_new (sizeof (ev_io), cb, ST (0));
1332 RETVAL->fh = newSVsv (fh);
1333 ev_io_set (RETVAL, fd, events);
1334 if (!ix) START (io, RETVAL);
1335 }
1336 OUTPUT:
1337 RETVAL
1338
1339 ev_timer *timer (struct ev_loop *loop, NV after, NV repeat, SV *cb)
1340 ALIAS:
1341 timer_ns = 1
1342 INIT:
1343 CHECK_REPEAT (repeat);
1344 CODE:
1345 RETVAL = e_new (sizeof (ev_timer), cb, ST (0));
1346 ev_timer_set (RETVAL, after, repeat);
1347 if (!ix) START (timer, RETVAL);
1348 OUTPUT:
1349 RETVAL
1350
1351 SV *periodic (struct ev_loop *loop, NV at, NV interval, SV *reschedule_cb, SV *cb)
1352 ALIAS:
1353 periodic_ns = 1
1354 INIT:
1355 CHECK_REPEAT (interval);
1356 CODE:
1357 {
1358 ev_periodic *w;
1359 w = e_new (sizeof (ev_periodic), cb, ST (0));
1360 w->fh = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
1361 ev_periodic_set (w, at, interval, w->fh ? e_periodic_cb : 0);
1362 RETVAL = e_bless ((ev_watcher *)w, stash_periodic);
1363 if (!ix) START (periodic, w);
1364 }
1365 OUTPUT:
1366 RETVAL
1367
1368 #if 0
1369
1370 ev_signal *signal (struct ev_loop *loop, SV *signal, SV *cb)
1371 ALIAS:
1372 signal_ns = 1
1373 CODE:
1374 {
1375 Signal signum = sv_signum (signal);
1376 CHECK_SIG (signal, signum);
1377
1378 RETVAL = e_new (sizeof (ev_signal), cb, ST (0));
1379 ev_signal_set (RETVAL, signum);
1380 if (!ix) START (signal, RETVAL);
1381 }
1382 OUTPUT:
1383 RETVAL
1384
1385 #endif
1386
1387 ev_idle *idle (struct ev_loop *loop, SV *cb)
1388 ALIAS:
1389 idle_ns = 1
1390 CODE:
1391 RETVAL = e_new (sizeof (ev_idle), cb, ST (0));
1392 ev_idle_set (RETVAL);
1393 if (!ix) START (idle, RETVAL);
1394 OUTPUT:
1395 RETVAL
1396
1397 ev_prepare *prepare (struct ev_loop *loop, SV *cb)
1398 ALIAS:
1399 prepare_ns = 1
1400 CODE:
1401 RETVAL = e_new (sizeof (ev_prepare), cb, ST (0));
1402 ev_prepare_set (RETVAL);
1403 if (!ix) START (prepare, RETVAL);
1404 OUTPUT:
1405 RETVAL
1406
1407 ev_check *check (struct ev_loop *loop, SV *cb)
1408 ALIAS:
1409 check_ns = 1
1410 CODE:
1411 RETVAL = e_new (sizeof (ev_check), cb, ST (0));
1412 ev_check_set (RETVAL);
1413 if (!ix) START (check, RETVAL);
1414 OUTPUT:
1415 RETVAL
1416
1417 ev_fork *fork (struct ev_loop *loop, SV *cb)
1418 ALIAS:
1419 fork_ns = 1
1420 CODE:
1421 RETVAL = e_new (sizeof (ev_fork), cb, ST (0));
1422 ev_fork_set (RETVAL);
1423 if (!ix) START (fork, RETVAL);
1424 OUTPUT:
1425 RETVAL
1426
1427 ev_child *child (struct ev_loop *loop, int pid, int trace, SV *cb)
1428 ALIAS:
1429 child_ns = 1
1430 CODE:
1431 RETVAL = e_new (sizeof (ev_child), cb, ST (0));
1432 ev_child_set (RETVAL, pid, trace);
1433 if (!ix) START (child, RETVAL);
1434 OUTPUT:
1435 RETVAL
1436
1437 ev_stat *stat (struct ev_loop *loop, SV *path, NV interval, SV *cb)
1438 ALIAS:
1439 stat_ns = 1
1440 CODE:
1441 RETVAL = e_new (sizeof (ev_stat), cb, ST (0));
1442 RETVAL->fh = newSVsv (path);
1443 ev_stat_set (RETVAL, SvPVbyte_nolen (RETVAL->fh), interval);
1444 if (!ix) START (stat, RETVAL);
1445 OUTPUT:
1446 RETVAL
1447
1448 ev_embed *embed (struct ev_loop *loop, struct ev_loop *other, SV *cb = 0)
1449 ALIAS:
1450 embed_ns = 1
1451 CODE:
1452 {
1453 if (!(ev_backend (other) & ev_embeddable_backends ()))
1454 croak ("passed loop is not embeddable via EV::embed,");
1455
1456 RETVAL = e_new (sizeof (ev_embed), cb, ST (0));
1457 RETVAL->fh = newSVsv (ST (1));
1458 ev_embed_set (RETVAL, other);
1459 if (!ix) START (embed, RETVAL);
1460 }
1461 OUTPUT:
1462 RETVAL
1463
1464 ev_async *async (struct ev_loop *loop, SV *cb)
1465 ALIAS:
1466 async_ns = 1
1467 CODE:
1468 RETVAL = e_new (sizeof (ev_async), cb, ST (0));
1469 ev_async_set (RETVAL);
1470 if (!ix) START (async, RETVAL);
1471 OUTPUT:
1472 RETVAL
1473
1474 void once (struct ev_loop *loop, SV *fh, int events, SV *timeout, SV *cb)
1475 CODE:
1476 ev_once (
1477 loop,
1478 sv_fileno (fh), events,
1479 SvOK (timeout) ? SvNV (timeout) : -1.,
1480 e_once_cb,
1481 newSVsv (cb)
1482 );
1483