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/cvs/EV/EV.xs
Revision: 1.122
Committed: Wed Apr 15 19:35:53 2009 UTC (15 years, 1 month ago) by root
Branch: MAIN
Changes since 1.121: +12 -0 lines
Log Message:
resume/suspend

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 #if __GNUC__ >= 3
40 # define expect(expr,value) __builtin_expect ((expr),(value))
41 #else
42 # define expect(expr,value) (expr)
43 #endif
44
45 #define expect_false(expr) expect ((expr) != 0, 0)
46 #define expect_true(expr) expect ((expr) != 0, 1)
47
48 #define e_loop(w) INT2PTR (struct ev_loop *, SvIVX ((w)->loop))
49
50 #define WFLAG_KEEPALIVE 1
51 #define WFLAG_UNREFED 2 /* has been unref'ed */
52
53 #define UNREF(w) \
54 if (!((w)->e_flags & (WFLAG_KEEPALIVE | WFLAG_UNREFED)) \
55 && ev_is_active (w)) \
56 { \
57 ev_unref (e_loop (w)); \
58 (w)->e_flags |= WFLAG_UNREFED; \
59 }
60
61 #define REF(w) \
62 if ((w)->e_flags & WFLAG_UNREFED) \
63 { \
64 (w)->e_flags &= ~WFLAG_UNREFED; \
65 ev_ref (e_loop (w)); \
66 }
67
68 #define START(type,w) \
69 do { \
70 ev_ ## type ## _start (e_loop (w), w); \
71 UNREF (w); \
72 } while (0)
73
74 #define STOP(type,w) \
75 do { \
76 REF (w); \
77 ev_ ## type ## _stop (e_loop (w), w); \
78 } while (0)
79
80 #define RESET(type,w,seta) \
81 do { \
82 int active = ev_is_active (w); \
83 if (active) STOP (type, w); \
84 ev_ ## type ## _set seta; \
85 if (active) START (type, w); \
86 } while (0)
87
88 typedef int Signal;
89
90 static SV *default_loop_sv;
91
92 static struct EVAPI evapi;
93
94 static HV
95 *stash_loop,
96 *stash_watcher,
97 *stash_io,
98 *stash_timer,
99 *stash_periodic,
100 *stash_signal,
101 *stash_child,
102 *stash_stat,
103 *stash_idle,
104 *stash_prepare,
105 *stash_check,
106 *stash_embed,
107 *stash_fork,
108 *stash_async;
109
110 #ifndef SIG_SIZE
111 /* kudos to Slaven Rezic for the idea */
112 static char sig_size [] = { SIG_NUM };
113 # define SIG_SIZE (sizeof (sig_size) + 1)
114 #endif
115
116 static Signal
117 sv_signum (SV *sig)
118 {
119 Signal signum;
120
121 SvGETMAGIC (sig);
122
123 for (signum = 1; signum < SIG_SIZE; ++signum)
124 if (strEQ (SvPV_nolen (sig), PL_sig_name [signum]))
125 return signum;
126
127 signum = SvIV (sig);
128
129 if (signum > 0 && signum < SIG_SIZE)
130 return signum;
131
132 return -1;
133 }
134
135 /////////////////////////////////////////////////////////////////////////////
136 // Event
137
138 static void e_cb (EV_P_ ev_watcher *w, int revents);
139
140 static int
141 sv_fileno (SV *fh)
142 {
143 SvGETMAGIC (fh);
144
145 if (SvROK (fh))
146 fh = SvRV (fh);
147
148 if (SvTYPE (fh) == SVt_PVGV)
149 return PerlIO_fileno (IoIFP (sv_2io (fh)));
150
151 if (SvOK (fh) && (SvIV (fh) >= 0) && (SvIV (fh) < 0x7fffffffL))
152 return SvIV (fh);
153
154 return -1;
155 }
156
157 static SV *
158 e_get_cv (SV *cb_sv)
159 {
160 HV *st;
161 GV *gvp;
162 CV *cv = sv_2cv (cb_sv, &st, &gvp, 0);
163
164 if (!cv)
165 croak ("EV watcher callback must be a CODE reference");
166
167 return (SV *)cv;
168 }
169
170 static void *
171 e_new (int size, SV *cb_sv, SV *loop)
172 {
173 SV *cv = cb_sv ? e_get_cv (cb_sv) : 0;
174 ev_watcher *w;
175 SV *self = NEWSV (0, size);
176 SvPOK_only (self);
177 SvCUR_set (self, size);
178
179 w = (ev_watcher *)SvPVX (self);
180
181 ev_init (w, cv ? e_cb : 0);
182
183 w->loop = SvREFCNT_inc (SvRV (loop));
184 w->e_flags = WFLAG_KEEPALIVE;
185 w->data = 0;
186 w->fh = 0;
187 w->cb_sv = SvREFCNT_inc (cv);
188 w->self = self;
189
190 return (void *)w;
191 }
192
193 static void
194 e_destroy (void *w_)
195 {
196 ev_watcher *w = (ev_watcher *)w_;
197
198 SvREFCNT_dec (w->loop ); w->loop = 0;
199 SvREFCNT_dec (w->fh ); w->fh = 0;
200 SvREFCNT_dec (w->cb_sv); w->cb_sv = 0;
201 SvREFCNT_dec (w->data ); w->data = 0;
202 }
203
204 static SV *
205 e_bless (ev_watcher *w, HV *stash)
206 {
207 SV *rv;
208
209 if (SvOBJECT (w->self))
210 rv = newRV_inc (w->self);
211 else
212 {
213 rv = newRV_noinc (w->self);
214 sv_bless (rv, stash);
215 SvREADONLY_on (w->self);
216 }
217
218 return rv;
219 }
220
221 static SV *sv_self_cache, *sv_events_cache;
222
223 static void
224 e_cb (EV_P_ ev_watcher *w, int revents)
225 {
226 dSP;
227 I32 mark = SP - PL_stack_base;
228 SV *sv_self, *sv_events;
229
230 /* libev might have stopped the watcher */
231 if (expect_false (w->e_flags & WFLAG_UNREFED)
232 && !ev_is_active (w))
233 REF (w);
234
235 if (expect_true (sv_self_cache))
236 {
237 sv_self = sv_self_cache; sv_self_cache = 0;
238 SvRV_set (sv_self, SvREFCNT_inc_NN (w->self));
239 }
240 else
241 {
242 sv_self = newRV_inc (w->self); /* w->self MUST be blessed by now */
243 SvREADONLY_on (sv_self);
244 }
245
246 if (expect_true (sv_events_cache))
247 {
248 sv_events = sv_events_cache; sv_events_cache = 0;
249 SvIV_set (sv_events, revents);
250 }
251 else
252 {
253 sv_events = newSViv (revents);
254 SvREADONLY_on (sv_events);
255 }
256
257 PUSHMARK (SP);
258 EXTEND (SP, 2);
259 PUSHs (sv_self);
260 PUSHs (sv_events);
261
262 PUTBACK;
263 call_sv (w->cb_sv, G_DISCARD | G_VOID | G_EVAL);
264
265 if (expect_false (SvREFCNT (sv_self) != 1 || sv_self_cache))
266 SvREFCNT_dec (sv_self);
267 else
268 {
269 SvREFCNT_dec (SvRV (sv_self));
270 SvRV_set (sv_self, &PL_sv_undef);
271 sv_self_cache = sv_self;
272 }
273
274 if (expect_false (SvREFCNT (sv_events) != 1 || sv_events_cache))
275 SvREFCNT_dec (sv_events);
276 else
277 sv_events_cache = sv_events;
278
279 if (expect_false (SvTRUE (ERRSV)))
280 {
281 SPAGAIN;
282 PUSHMARK (SP);
283 PUTBACK;
284 call_sv (get_sv ("EV::DIED", 1), G_DISCARD | G_VOID | G_EVAL | G_KEEPERR);
285 }
286
287 SP = PL_stack_base + mark;
288 PUTBACK;
289 }
290
291 static void
292 e_once_cb (int revents, void *arg)
293 {
294 dSP;
295 I32 mark = SP - PL_stack_base;
296 SV *sv_events;
297
298 if (sv_events_cache)
299 {
300 sv_events = sv_events_cache; sv_events_cache = 0;
301 SvIV_set (sv_events, revents);
302 }
303 else
304 sv_events = newSViv (revents);
305
306 PUSHMARK (SP);
307 XPUSHs (sv_events);
308
309 PUTBACK;
310 call_sv ((SV *)arg, G_DISCARD | G_VOID | G_EVAL);
311
312 SvREFCNT_dec ((SV *)arg);
313
314 if (sv_events_cache)
315 SvREFCNT_dec (sv_events);
316 else
317 sv_events_cache = sv_events;
318
319 if (SvTRUE (ERRSV))
320 {
321 SPAGAIN;
322 PUSHMARK (SP);
323 PUTBACK;
324 call_sv (get_sv ("EV::DIED", 1), G_DISCARD | G_VOID | G_EVAL | G_KEEPERR);
325 }
326
327 SP = PL_stack_base + mark;
328 PUTBACK;
329 }
330
331 static ev_tstamp
332 e_periodic_cb (ev_periodic *w, ev_tstamp now)
333 {
334 ev_tstamp retval;
335 int count;
336 dSP;
337
338 ENTER;
339 SAVETMPS;
340
341 PUSHMARK (SP);
342 EXTEND (SP, 2);
343 PUSHs (newRV_inc (w->self)); /* w->self MUST be blessed by now */
344 PUSHs (newSVnv (now));
345
346 PUTBACK;
347 count = call_sv (w->fh, G_SCALAR | G_EVAL);
348 SPAGAIN;
349
350 if (SvTRUE (ERRSV))
351 {
352 PUSHMARK (SP);
353 PUTBACK;
354 call_sv (get_sv ("EV::DIED", 1), G_DISCARD | G_VOID | G_EVAL | G_KEEPERR);
355 SPAGAIN;
356 }
357
358 if (count > 0)
359 {
360 retval = SvNV (TOPs);
361
362 if (retval < now)
363 retval = now;
364 }
365 else
366 retval = now;
367
368 FREETMPS;
369 LEAVE;
370
371 return retval;
372 }
373
374 #define CHECK_REPEAT(repeat) if (repeat < 0.) \
375 croak (# repeat " value must be >= 0");
376
377 #define CHECK_FD(fh,fd) if ((fd) < 0) \
378 croak ("illegal file descriptor or filehandle (either no attached file descriptor or illegal value): %s", SvPV_nolen (fh));
379
380 #define CHECK_SIG(sv,num) if ((num) < 0) \
381 croak ("illegal signal number or name: %s", SvPV_nolen (sv));
382
383 /////////////////////////////////////////////////////////////////////////////
384 // XS interface functions
385
386 MODULE = EV PACKAGE = EV PREFIX = ev_
387
388 PROTOTYPES: ENABLE
389
390 BOOT:
391 {
392 HV *stash = gv_stashpv ("EV", 1);
393
394 static const struct {
395 const char *name;
396 IV iv;
397 } *civ, const_iv[] = {
398 # define const_iv(pfx, name) { # name, (IV) pfx ## name },
399 const_iv (EV_, MINPRI)
400 const_iv (EV_, MAXPRI)
401
402 const_iv (EV_, UNDEF)
403 const_iv (EV_, NONE)
404 const_iv (EV_, TIMEOUT)
405 const_iv (EV_, READ)
406 const_iv (EV_, WRITE)
407 const_iv (EV_, SIGNAL)
408 const_iv (EV_, IDLE)
409 const_iv (EV_, CHECK)
410 const_iv (EV_, ERROR)
411
412 const_iv (EV, LOOP_ONESHOT)
413 const_iv (EV, LOOP_NONBLOCK)
414 const_iv (EV, UNLOOP_ONE)
415 const_iv (EV, UNLOOP_ALL)
416
417 const_iv (EV, BACKEND_SELECT)
418 const_iv (EV, BACKEND_POLL)
419 const_iv (EV, BACKEND_EPOLL)
420 const_iv (EV, BACKEND_KQUEUE)
421 const_iv (EV, BACKEND_DEVPOLL)
422 const_iv (EV, BACKEND_PORT)
423 const_iv (EV, FLAG_AUTO)
424 const_iv (EV, FLAG_NOENV)
425 const_iv (EV, FLAG_FORKCHECK)
426 };
427
428 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
429 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
430
431 stash_loop = gv_stashpv ("EV::Loop" , 1);
432 stash_watcher = gv_stashpv ("EV::Watcher" , 1);
433 stash_io = gv_stashpv ("EV::IO" , 1);
434 stash_timer = gv_stashpv ("EV::Timer" , 1);
435 stash_periodic = gv_stashpv ("EV::Periodic", 1);
436 stash_signal = gv_stashpv ("EV::Signal" , 1);
437 stash_idle = gv_stashpv ("EV::Idle" , 1);
438 stash_prepare = gv_stashpv ("EV::Prepare" , 1);
439 stash_check = gv_stashpv ("EV::Check" , 1);
440 stash_child = gv_stashpv ("EV::Child" , 1);
441 stash_embed = gv_stashpv ("EV::Embed" , 1);
442 stash_stat = gv_stashpv ("EV::Stat" , 1);
443 stash_fork = gv_stashpv ("EV::Fork" , 1);
444 stash_async = gv_stashpv ("EV::Async" , 1);
445
446 {
447 SV *sv = perl_get_sv ("EV::API", TRUE);
448 perl_get_sv ("EV::API", TRUE); /* silence 5.10 warning */
449
450 /* the poor man's shared library emulator */
451 evapi.ver = EV_API_VERSION;
452 evapi.rev = EV_API_REVISION;
453 evapi.sv_fileno = sv_fileno;
454 evapi.sv_signum = sv_signum;
455 evapi.supported_backends = ev_supported_backends ();
456 evapi.recommended_backends = ev_recommended_backends ();
457 evapi.embeddable_backends = ev_embeddable_backends ();
458 evapi.time_ = ev_time;
459 evapi.sleep_ = ev_sleep;
460 evapi.loop_new = ev_loop_new;
461 evapi.loop_destroy = ev_loop_destroy;
462 evapi.loop_fork = ev_loop_fork;
463 evapi.loop_count = ev_loop_count;
464 evapi.now = ev_now;
465 evapi.now_update = ev_now_update;
466 evapi.suspend = ev_suspend;
467 evapi.resume = ev_resume;
468 evapi.backend = ev_backend;
469 evapi.unloop = ev_unloop;
470 evapi.ref = ev_ref;
471 evapi.unref = ev_unref;
472 evapi.loop = ev_loop;
473 evapi.once = ev_once;
474 evapi.io_start = ev_io_start;
475 evapi.io_stop = ev_io_stop;
476 evapi.timer_start = ev_timer_start;
477 evapi.timer_stop = ev_timer_stop;
478 evapi.timer_again = ev_timer_again;
479 evapi.periodic_start = ev_periodic_start;
480 evapi.periodic_stop = ev_periodic_stop;
481 evapi.signal_start = ev_signal_start;
482 evapi.signal_stop = ev_signal_stop;
483 evapi.idle_start = ev_idle_start;
484 evapi.idle_stop = ev_idle_stop;
485 evapi.prepare_start = ev_prepare_start;
486 evapi.prepare_stop = ev_prepare_stop;
487 evapi.check_start = ev_check_start;
488 evapi.check_stop = ev_check_stop;
489 evapi.child_start = ev_child_start;
490 evapi.child_stop = ev_child_stop;
491 evapi.stat_start = ev_stat_start;
492 evapi.stat_stop = ev_stat_stop;
493 evapi.stat_stat = ev_stat_stat;
494 evapi.embed_start = ev_embed_start;
495 evapi.embed_stop = ev_embed_stop;
496 evapi.embed_sweep = ev_embed_sweep;
497 evapi.fork_start = ev_fork_start;
498 evapi.fork_stop = ev_fork_stop;
499 evapi.async_start = ev_async_start;
500 evapi.async_stop = ev_async_stop;
501 evapi.async_send = ev_async_send;
502 evapi.clear_pending = ev_clear_pending;
503 evapi.invoke = ev_invoke;
504
505 sv_setiv (sv, (IV)&evapi);
506 SvREADONLY_on (sv);
507 }
508 #ifndef _WIN32
509 pthread_atfork (0, 0, ev_default_fork);
510 #endif
511 }
512
513 SV *ev_default_loop (unsigned int flags = 0)
514 CODE:
515 {
516 if (!default_loop_sv)
517 {
518 evapi.default_loop = ev_default_loop (flags);
519
520 if (!evapi.default_loop)
521 XSRETURN_UNDEF;
522
523 default_loop_sv = sv_bless (newRV_noinc (newSViv (PTR2IV (evapi.default_loop))), stash_loop);
524 }
525
526 RETVAL = newSVsv (default_loop_sv);
527 }
528 OUTPUT:
529 RETVAL
530
531 void ev_default_destroy ()
532 CODE:
533 ev_default_destroy ();
534 SvREFCNT_dec (default_loop_sv);
535 default_loop_sv = 0;
536
537 unsigned int ev_supported_backends ()
538
539 unsigned int ev_recommended_backends ()
540
541 unsigned int ev_embeddable_backends ()
542
543 void ev_sleep (NV interval)
544
545 NV ev_time ()
546
547 NV ev_now ()
548 C_ARGS: evapi.default_loop
549
550 void ev_now_update ()
551 C_ARGS: evapi.default_loop
552
553 void ev_suspend ()
554 C_ARGS: evapi.default_loop
555
556 void ev_resume ()
557 C_ARGS: evapi.default_loop
558
559 unsigned int ev_backend ()
560 C_ARGS: evapi.default_loop
561
562 unsigned int ev_loop_count ()
563 C_ARGS: evapi.default_loop
564
565 void ev_set_io_collect_interval (NV interval)
566 C_ARGS: evapi.default_loop, interval
567
568 void ev_set_timeout_collect_interval (NV interval)
569 C_ARGS: evapi.default_loop, interval
570
571 void ev_loop (int flags = 0)
572 C_ARGS: evapi.default_loop, flags
573
574 void ev_unloop (int how = EVUNLOOP_ONE)
575 C_ARGS: evapi.default_loop, how
576
577 void ev_feed_fd_event (int fd, int revents = EV_NONE)
578 C_ARGS: evapi.default_loop, fd, revents
579
580 void ev_feed_signal_event (SV *signal)
581 CODE:
582 {
583 Signal signum = sv_signum (signal);
584 CHECK_SIG (signal, signum);
585
586 ev_feed_signal_event (evapi.default_loop, signum);
587 }
588
589 ev_io *io (SV *fh, int events, SV *cb)
590 ALIAS:
591 io_ns = 1
592 CODE:
593 {
594 int fd = sv_fileno (fh);
595 CHECK_FD (fh, fd);
596
597 RETVAL = e_new (sizeof (ev_io), cb, default_loop_sv);
598 RETVAL->fh = newSVsv (fh);
599 ev_io_set (RETVAL, fd, events);
600 if (!ix) START (io, RETVAL);
601 }
602 OUTPUT:
603 RETVAL
604
605 ev_timer *timer (NV after, NV repeat, SV *cb)
606 ALIAS:
607 timer_ns = 1
608 INIT:
609 CHECK_REPEAT (repeat);
610 CODE:
611 RETVAL = e_new (sizeof (ev_timer), cb, default_loop_sv);
612 ev_timer_set (RETVAL, after, repeat);
613 if (!ix) START (timer, RETVAL);
614 OUTPUT:
615 RETVAL
616
617 SV *periodic (NV at, NV interval, SV *reschedule_cb, SV *cb)
618 ALIAS:
619 periodic_ns = 1
620 INIT:
621 CHECK_REPEAT (interval);
622 CODE:
623 {
624 ev_periodic *w;
625 w = e_new (sizeof (ev_periodic), cb, default_loop_sv);
626 w->fh = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
627 ev_periodic_set (w, at, interval, w->fh ? e_periodic_cb : 0);
628 RETVAL = e_bless ((ev_watcher *)w, stash_periodic);
629 if (!ix) START (periodic, w);
630 }
631 OUTPUT:
632 RETVAL
633
634 ev_signal *signal (SV *signal, SV *cb)
635 ALIAS:
636 signal_ns = 1
637 CODE:
638 {
639 Signal signum = sv_signum (signal);
640 CHECK_SIG (signal, signum);
641
642 RETVAL = e_new (sizeof (ev_signal), cb, default_loop_sv);
643 ev_signal_set (RETVAL, signum);
644 if (!ix) START (signal, RETVAL);
645 }
646 OUTPUT:
647 RETVAL
648
649 ev_idle *idle (SV *cb)
650 ALIAS:
651 idle_ns = 1
652 CODE:
653 RETVAL = e_new (sizeof (ev_idle), cb, default_loop_sv);
654 ev_idle_set (RETVAL);
655 if (!ix) START (idle, RETVAL);
656 OUTPUT:
657 RETVAL
658
659 ev_prepare *prepare (SV *cb)
660 ALIAS:
661 prepare_ns = 1
662 CODE:
663 RETVAL = e_new (sizeof (ev_prepare), cb, default_loop_sv);
664 ev_prepare_set (RETVAL);
665 if (!ix) START (prepare, RETVAL);
666 OUTPUT:
667 RETVAL
668
669 ev_check *check (SV *cb)
670 ALIAS:
671 check_ns = 1
672 CODE:
673 RETVAL = e_new (sizeof (ev_check), cb, default_loop_sv);
674 ev_check_set (RETVAL);
675 if (!ix) START (check, RETVAL);
676 OUTPUT:
677 RETVAL
678
679 ev_fork *fork (SV *cb)
680 ALIAS:
681 fork_ns = 1
682 CODE:
683 RETVAL = e_new (sizeof (ev_fork), cb, default_loop_sv);
684 ev_fork_set (RETVAL);
685 if (!ix) START (fork, RETVAL);
686 OUTPUT:
687 RETVAL
688
689 ev_child *child (int pid, int trace, SV *cb)
690 ALIAS:
691 child_ns = 1
692 CODE:
693 RETVAL = e_new (sizeof (ev_child), cb, default_loop_sv);
694 ev_child_set (RETVAL, pid, trace);
695 if (!ix) START (child, RETVAL);
696 OUTPUT:
697 RETVAL
698
699 ev_stat *stat (SV *path, NV interval, SV *cb)
700 ALIAS:
701 stat_ns = 1
702 CODE:
703 RETVAL = e_new (sizeof (ev_stat), cb, default_loop_sv);
704 RETVAL->fh = newSVsv (path);
705 ev_stat_set (RETVAL, SvPVbyte_nolen (RETVAL->fh), interval);
706 if (!ix) START (stat, RETVAL);
707 OUTPUT:
708 RETVAL
709
710 ev_embed *embed (struct ev_loop *loop, SV *cb = 0)
711 ALIAS:
712 embed_ns = 1
713 CODE:
714 {
715 if (!(ev_backend (loop) & ev_embeddable_backends ()))
716 croak ("passed loop is not embeddable via EV::embed,");
717
718 RETVAL = e_new (sizeof (ev_embed), cb, default_loop_sv);
719 RETVAL->fh = newSVsv (ST (0));
720 ev_embed_set (RETVAL, loop);
721 if (!ix) START (embed, RETVAL);
722 }
723 OUTPUT:
724 RETVAL
725
726 ev_async *async (SV *cb)
727 ALIAS:
728 async_ns = 1
729 CODE:
730 RETVAL = e_new (sizeof (ev_async), cb, default_loop_sv);
731 ev_async_set (RETVAL);
732 if (!ix) START (async, RETVAL);
733 OUTPUT:
734 RETVAL
735
736 void once (SV *fh, int events, SV *timeout, SV *cb)
737 CODE:
738 ev_once (
739 evapi.default_loop,
740 sv_fileno (fh), events,
741 SvOK (timeout) ? SvNV (timeout) : -1.,
742 e_once_cb,
743 newSVsv (cb)
744 );
745
746 PROTOTYPES: DISABLE
747
748 MODULE = EV PACKAGE = EV::Watcher PREFIX = ev_
749
750 int ev_is_active (ev_watcher *w)
751
752 int ev_is_pending (ev_watcher *w)
753
754 void ev_invoke (ev_watcher *w, int revents = EV_NONE)
755 C_ARGS: e_loop (w), w, revents
756
757 int ev_clear_pending (ev_watcher *w)
758 C_ARGS: e_loop (w), w
759
760 void ev_feed_event (ev_watcher *w, int revents = EV_NONE)
761 C_ARGS: e_loop (w), w, revents
762
763 int keepalive (ev_watcher *w, int new_value = 0)
764 CODE:
765 {
766 RETVAL = w->e_flags & WFLAG_KEEPALIVE;
767 new_value = new_value ? WFLAG_KEEPALIVE : 0;
768
769 if (items > 1 && ((new_value ^ w->e_flags) & WFLAG_KEEPALIVE))
770 {
771 w->e_flags = (w->e_flags & ~WFLAG_KEEPALIVE) | new_value;
772 REF (w);
773 UNREF (w);
774 }
775 }
776 OUTPUT:
777 RETVAL
778
779 SV *cb (ev_watcher *w, SV *new_cb = 0)
780 CODE:
781 {
782 if (items > 1)
783 {
784 new_cb = e_get_cv (new_cb);
785 RETVAL = newRV_noinc (w->cb_sv);
786 w->cb_sv = SvREFCNT_inc (new_cb);
787 }
788 else
789 RETVAL = newRV_inc (w->cb_sv);
790 }
791 OUTPUT:
792 RETVAL
793
794 SV *data (ev_watcher *w, SV *new_data = 0)
795 CODE:
796 {
797 RETVAL = w->data ? newSVsv (w->data) : &PL_sv_undef;
798
799 if (items > 1)
800 {
801 SvREFCNT_dec (w->data);
802 w->data = newSVsv (new_data);
803 }
804 }
805 OUTPUT:
806 RETVAL
807
808 SV *loop (ev_watcher *w)
809 CODE:
810 RETVAL = newRV_inc (w->loop);
811 OUTPUT:
812 RETVAL
813
814 int priority (ev_watcher *w, int new_priority = 0)
815 CODE:
816 {
817 RETVAL = w->priority;
818
819 if (items > 1)
820 {
821 int active = ev_is_active (w);
822
823 if (active)
824 {
825 /* grrr. */
826 PUSHMARK (SP);
827 XPUSHs (ST (0));
828 PUTBACK;
829 call_method ("stop", G_DISCARD | G_VOID);
830 }
831
832 ev_set_priority (w, new_priority);
833
834 if (active)
835 {
836 PUSHMARK (SP);
837 XPUSHs (ST (0));
838 PUTBACK;
839 call_method ("start", G_DISCARD | G_VOID);
840 }
841 }
842 }
843 OUTPUT:
844 RETVAL
845
846 MODULE = EV PACKAGE = EV::IO PREFIX = ev_io_
847
848 void ev_io_start (ev_io *w)
849 CODE:
850 START (io, w);
851
852 void ev_io_stop (ev_io *w)
853 CODE:
854 STOP (io, w);
855
856 void DESTROY (ev_io *w)
857 CODE:
858 STOP (io, w);
859 e_destroy (w);
860
861 void set (ev_io *w, SV *fh, int events)
862 CODE:
863 {
864 int fd = sv_fileno (fh);
865 CHECK_FD (fh, fd);
866
867 sv_setsv (w->fh, fh);
868 RESET (io, w, (w, fd, events));
869 }
870
871 SV *fh (ev_io *w, SV *new_fh = 0)
872 CODE:
873 {
874 if (items > 1)
875 {
876 int fd = sv_fileno (new_fh);
877 CHECK_FD (new_fh, fd);
878
879 RETVAL = w->fh;
880 w->fh = newSVsv (new_fh);
881
882 RESET (io, w, (w, fd, w->events));
883 }
884 else
885 RETVAL = newSVsv (w->fh);
886 }
887 OUTPUT:
888 RETVAL
889
890 int events (ev_io *w, int new_events = EV_UNDEF)
891 CODE:
892 {
893 RETVAL = w->events;
894
895 if (items > 1)
896 RESET (io, w, (w, w->fd, new_events));
897 }
898 OUTPUT:
899 RETVAL
900
901 MODULE = EV PACKAGE = EV::Signal PREFIX = ev_signal_
902
903 void ev_signal_start (ev_signal *w)
904 CODE:
905 START (signal, w);
906
907 void ev_signal_stop (ev_signal *w)
908 CODE:
909 STOP (signal, w);
910
911 void DESTROY (ev_signal *w)
912 CODE:
913 STOP (signal, w);
914 e_destroy (w);
915
916 void set (ev_signal *w, SV *signal)
917 CODE:
918 {
919 Signal signum = sv_signum (signal);
920 CHECK_SIG (signal, signum);
921
922 RESET (signal, w, (w, signum));
923 }
924
925 int signal (ev_signal *w, SV *new_signal = 0)
926 CODE:
927 {
928 RETVAL = w->signum;
929
930 if (items > 1)
931 {
932 Signal signum = sv_signum (new_signal);
933 CHECK_SIG (new_signal, signum);
934
935 RESET (signal, w, (w, signum));
936 }
937 }
938 OUTPUT:
939 RETVAL
940
941 MODULE = EV PACKAGE = EV::Timer PREFIX = ev_timer_
942
943 void ev_timer_start (ev_timer *w)
944 INIT:
945 CHECK_REPEAT (w->repeat);
946 CODE:
947 START (timer, w);
948
949 void ev_timer_stop (ev_timer *w)
950 CODE:
951 STOP (timer, w);
952
953 void ev_timer_again (ev_timer *w)
954 INIT:
955 CHECK_REPEAT (w->repeat);
956 CODE:
957 ev_timer_again (e_loop (w), w);
958 UNREF (w);
959
960 void DESTROY (ev_timer *w)
961 CODE:
962 STOP (timer, w);
963 e_destroy (w);
964
965 void set (ev_timer *w, NV after, NV repeat = 0.)
966 INIT:
967 CHECK_REPEAT (repeat);
968 CODE:
969 RESET (timer, w, (w, after, repeat));
970
971 MODULE = EV PACKAGE = EV::Periodic PREFIX = ev_periodic_
972
973 void ev_periodic_start (ev_periodic *w)
974 INIT:
975 CHECK_REPEAT (w->interval);
976 CODE:
977 START (periodic, w);
978
979 void ev_periodic_stop (ev_periodic *w)
980 CODE:
981 STOP (periodic, w);
982
983 void ev_periodic_again (ev_periodic *w)
984 CODE:
985 ev_periodic_again (e_loop (w), w);
986 UNREF (w);
987
988 void DESTROY (ev_periodic *w)
989 CODE:
990 STOP (periodic, w);
991 e_destroy (w);
992
993 void set (ev_periodic *w, NV at, NV interval = 0., SV *reschedule_cb = &PL_sv_undef)
994 INIT:
995 CHECK_REPEAT (interval);
996 CODE:
997 {
998 SvREFCNT_dec (w->fh);
999 w->fh = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
1000
1001 RESET (periodic, w, (w, at, interval, w->fh ? e_periodic_cb : 0));
1002 }
1003
1004 NV at (ev_periodic *w)
1005 CODE:
1006 RETVAL = ev_periodic_at (w);
1007 OUTPUT:
1008 RETVAL
1009
1010 MODULE = EV PACKAGE = EV::Idle PREFIX = ev_idle_
1011
1012 void ev_idle_start (ev_idle *w)
1013 CODE:
1014 START (idle, w);
1015
1016 void ev_idle_stop (ev_idle *w)
1017 CODE:
1018 STOP (idle, w);
1019
1020 void DESTROY (ev_idle *w)
1021 CODE:
1022 STOP (idle, w);
1023 e_destroy (w);
1024
1025 MODULE = EV PACKAGE = EV::Prepare PREFIX = ev_prepare_
1026
1027 void ev_prepare_start (ev_prepare *w)
1028 CODE:
1029 START (prepare, w);
1030
1031 void ev_prepare_stop (ev_prepare *w)
1032 CODE:
1033 STOP (prepare, w);
1034
1035 void DESTROY (ev_prepare *w)
1036 CODE:
1037 STOP (prepare, w);
1038 e_destroy (w);
1039
1040 MODULE = EV PACKAGE = EV::Check PREFIX = ev_check_
1041
1042 void ev_check_start (ev_check *w)
1043 CODE:
1044 START (check, w);
1045
1046 void ev_check_stop (ev_check *w)
1047 CODE:
1048 STOP (check, w);
1049
1050 void DESTROY (ev_check *w)
1051 CODE:
1052 STOP (check, w);
1053 e_destroy (w);
1054
1055 MODULE = EV PACKAGE = EV::Fork PREFIX = ev_fork_
1056
1057 void ev_fork_start (ev_fork *w)
1058 CODE:
1059 START (fork, w);
1060
1061 void ev_fork_stop (ev_fork *w)
1062 CODE:
1063 STOP (fork, w);
1064
1065 void DESTROY (ev_fork *w)
1066 CODE:
1067 STOP (fork, w);
1068 e_destroy (w);
1069
1070 MODULE = EV PACKAGE = EV::Child PREFIX = ev_child_
1071
1072 void ev_child_start (ev_child *w)
1073 CODE:
1074 START (child, w);
1075
1076 void ev_child_stop (ev_child *w)
1077 CODE:
1078 STOP (child, w);
1079
1080 void DESTROY (ev_child *w)
1081 CODE:
1082 STOP (child, w);
1083 e_destroy (w);
1084
1085 void set (ev_child *w, int pid, int trace)
1086 CODE:
1087 RESET (child, w, (w, pid, trace));
1088
1089 int pid (ev_child *w)
1090 ALIAS:
1091 rpid = 1
1092 rstatus = 2
1093 CODE:
1094 RETVAL = ix == 0 ? w->pid
1095 : ix == 1 ? w->rpid
1096 : w->rstatus;
1097 OUTPUT:
1098 RETVAL
1099
1100 MODULE = EV PACKAGE = EV::Stat PREFIX = ev_stat_
1101
1102 void ev_stat_start (ev_stat *w)
1103 CODE:
1104 START (stat, w);
1105
1106 void ev_stat_stop (ev_stat *w)
1107 CODE:
1108 STOP (stat, w);
1109
1110 void DESTROY (ev_stat *w)
1111 CODE:
1112 STOP (stat, w);
1113 e_destroy (w);
1114
1115 void set (ev_stat *w, SV *path, NV interval)
1116 CODE:
1117 {
1118 sv_setsv (w->fh, path);
1119 RESET (stat, w, (w, SvPVbyte_nolen (w->fh), interval));
1120 }
1121
1122 SV *path (ev_stat *w, SV *new_path = 0)
1123 CODE:
1124 {
1125 RETVAL = SvREFCNT_inc (w->fh);
1126
1127 if (items > 1)
1128 {
1129 SvREFCNT_dec (w->fh);
1130 w->fh = newSVsv (new_path);
1131 RESET (stat, w, (w, SvPVbyte_nolen (w->fh), w->interval));
1132 }
1133 }
1134 OUTPUT:
1135 RETVAL
1136
1137 NV interval (ev_stat *w, NV new_interval = 0.)
1138 CODE:
1139 {
1140 RETVAL = w->interval;
1141
1142 if (items > 1)
1143 RESET (stat, w, (w, SvPVbyte_nolen (w->fh), new_interval));
1144 }
1145 OUTPUT:
1146 RETVAL
1147
1148 void prev (ev_stat *w)
1149 ALIAS:
1150 stat = 1
1151 attr = 2
1152 PPCODE:
1153 {
1154 ev_statdata *s = ix ? &w->attr : &w->prev;
1155
1156 if (ix == 1)
1157 ev_stat_stat (e_loop (w), w);
1158 else if (!s->st_nlink)
1159 errno = ENOENT;
1160
1161 PL_statcache.st_dev = s->st_nlink;
1162 PL_statcache.st_ino = s->st_ino;
1163 PL_statcache.st_mode = s->st_mode;
1164 PL_statcache.st_nlink = s->st_nlink;
1165 PL_statcache.st_uid = s->st_uid;
1166 PL_statcache.st_gid = s->st_gid;
1167 PL_statcache.st_rdev = s->st_rdev;
1168 PL_statcache.st_size = s->st_size;
1169 PL_statcache.st_atime = s->st_atime;
1170 PL_statcache.st_mtime = s->st_mtime;
1171 PL_statcache.st_ctime = s->st_ctime;
1172
1173 if (GIMME_V == G_SCALAR)
1174 XPUSHs (boolSV (s->st_nlink));
1175 else if (GIMME_V == G_ARRAY && s->st_nlink)
1176 {
1177 EXTEND (SP, 13);
1178 PUSHs (sv_2mortal (newSViv (s->st_dev)));
1179 PUSHs (sv_2mortal (newSViv (s->st_ino)));
1180 PUSHs (sv_2mortal (newSVuv (s->st_mode)));
1181 PUSHs (sv_2mortal (newSVuv (s->st_nlink)));
1182 PUSHs (sv_2mortal (newSViv (s->st_uid)));
1183 PUSHs (sv_2mortal (newSViv (s->st_gid)));
1184 PUSHs (sv_2mortal (newSViv (s->st_rdev)));
1185 PUSHs (sv_2mortal (newSVnv ((NV)s->st_size)));
1186 PUSHs (sv_2mortal (newSVnv (s->st_atime)));
1187 PUSHs (sv_2mortal (newSVnv (s->st_mtime)));
1188 PUSHs (sv_2mortal (newSVnv (s->st_ctime)));
1189 PUSHs (sv_2mortal (newSVuv (4096)));
1190 PUSHs (sv_2mortal (newSVnv ((NV)((s->st_size + 4095) / 4096))));
1191 }
1192 }
1193
1194 MODULE = EV PACKAGE = EV::Embed PREFIX = ev_embed_
1195
1196 void ev_embed_start (ev_embed *w)
1197 CODE:
1198 START (embed, w);
1199
1200 void ev_embed_stop (ev_embed *w)
1201 CODE:
1202 STOP (embed, w);
1203
1204 void DESTROY (ev_embed *w)
1205 CODE:
1206 STOP (embed, w);
1207 e_destroy (w);
1208
1209 void set (ev_embed *w, struct ev_loop *loop)
1210 CODE:
1211 {
1212 sv_setsv (w->fh, ST (1));
1213 RESET (embed, w, (w, loop));
1214 }
1215
1216 SV *other (ev_embed *w)
1217 CODE:
1218 RETVAL = newSVsv (w->fh);
1219 OUTPUT:
1220 RETVAL
1221
1222 void ev_embed_sweep (ev_embed *w)
1223 C_ARGS: e_loop (w), w
1224
1225 MODULE = EV PACKAGE = EV::Async PREFIX = ev_async_
1226
1227 void ev_async_start (ev_async *w)
1228 CODE:
1229 START (async, w);
1230
1231 void ev_async_stop (ev_async *w)
1232 CODE:
1233 STOP (async, w);
1234
1235 void DESTROY (ev_async *w)
1236 CODE:
1237 STOP (async, w);
1238 e_destroy (w);
1239
1240 void ev_async_send (ev_async *w)
1241 C_ARGS: e_loop (w), w
1242
1243 SV *ev_async_async_pending (ev_async *w)
1244 CODE:
1245 RETVAL = boolSV (ev_async_pending (w));
1246 OUTPUT:
1247 RETVAL
1248
1249 MODULE = EV PACKAGE = EV::Loop PREFIX = ev_
1250
1251 SV *new (SV *klass, unsigned int flags = 0)
1252 CODE:
1253 {
1254 struct ev_loop *loop = ev_loop_new (flags);
1255
1256 if (!loop)
1257 XSRETURN_UNDEF;
1258
1259 RETVAL = sv_bless (newRV_noinc (newSViv (PTR2IV (loop))), stash_loop);
1260 }
1261 OUTPUT:
1262 RETVAL
1263
1264 void DESTROY (struct ev_loop *loop)
1265 CODE:
1266 if (loop != evapi.default_loop) /* global destruction sucks */
1267 ev_loop_destroy (loop);
1268
1269 void ev_loop_fork (struct ev_loop *loop)
1270
1271 void ev_loop_verify (struct ev_loop *loop)
1272
1273 NV ev_now (struct ev_loop *loop)
1274
1275 void ev_now_update (struct ev_loop *loop)
1276
1277 void ev_suspend (struct ev_loop *loop)
1278
1279 void ev_resume (struct ev_loop *loop)
1280
1281 void ev_set_io_collect_interval (struct ev_loop *loop, NV interval)
1282
1283 void ev_set_timeout_collect_interval (struct ev_loop *loop, NV interval)
1284
1285 unsigned int ev_backend (struct ev_loop *loop)
1286
1287 unsigned int ev_loop_count (struct ev_loop *loop)
1288
1289 void ev_loop (struct ev_loop *loop, int flags = 0)
1290
1291 void ev_unloop (struct ev_loop *loop, int how = 1)
1292
1293 void ev_feed_fd_event (struct ev_loop *loop, int fd, int revents = EV_NONE)
1294
1295 #if 0
1296
1297 void ev_feed_signal_event (struct ev_loop *loop, SV *signal)
1298 CODE:
1299 {
1300 Signal signum = sv_signum (signal);
1301 CHECK_SIG (signal, signum);
1302
1303 ev_feed_signal_event (loop, signum);
1304 }
1305
1306 #endif
1307
1308 ev_io *io (struct ev_loop *loop, SV *fh, int events, SV *cb)
1309 ALIAS:
1310 io_ns = 1
1311 CODE:
1312 {
1313 int fd = sv_fileno (fh);
1314 CHECK_FD (fh, fd);
1315
1316 RETVAL = e_new (sizeof (ev_io), cb, ST (0));
1317 RETVAL->fh = newSVsv (fh);
1318 ev_io_set (RETVAL, fd, events);
1319 if (!ix) START (io, RETVAL);
1320 }
1321 OUTPUT:
1322 RETVAL
1323
1324 ev_timer *timer (struct ev_loop *loop, NV after, NV repeat, SV *cb)
1325 ALIAS:
1326 timer_ns = 1
1327 INIT:
1328 CHECK_REPEAT (repeat);
1329 CODE:
1330 RETVAL = e_new (sizeof (ev_timer), cb, ST (0));
1331 ev_timer_set (RETVAL, after, repeat);
1332 if (!ix) START (timer, RETVAL);
1333 OUTPUT:
1334 RETVAL
1335
1336 SV *periodic (struct ev_loop *loop, NV at, NV interval, SV *reschedule_cb, SV *cb)
1337 ALIAS:
1338 periodic_ns = 1
1339 INIT:
1340 CHECK_REPEAT (interval);
1341 CODE:
1342 {
1343 ev_periodic *w;
1344 w = e_new (sizeof (ev_periodic), cb, ST (0));
1345 w->fh = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
1346 ev_periodic_set (w, at, interval, w->fh ? e_periodic_cb : 0);
1347 RETVAL = e_bless ((ev_watcher *)w, stash_periodic);
1348 if (!ix) START (periodic, w);
1349 }
1350 OUTPUT:
1351 RETVAL
1352
1353 #if 0
1354
1355 ev_signal *signal (struct ev_loop *loop, SV *signal, SV *cb)
1356 ALIAS:
1357 signal_ns = 1
1358 CODE:
1359 {
1360 Signal signum = sv_signum (signal);
1361 CHECK_SIG (signal, signum);
1362
1363 RETVAL = e_new (sizeof (ev_signal), cb, ST (0));
1364 ev_signal_set (RETVAL, signum);
1365 if (!ix) START (signal, RETVAL);
1366 }
1367 OUTPUT:
1368 RETVAL
1369
1370 #endif
1371
1372 ev_idle *idle (struct ev_loop *loop, SV *cb)
1373 ALIAS:
1374 idle_ns = 1
1375 CODE:
1376 RETVAL = e_new (sizeof (ev_idle), cb, ST (0));
1377 ev_idle_set (RETVAL);
1378 if (!ix) START (idle, RETVAL);
1379 OUTPUT:
1380 RETVAL
1381
1382 ev_prepare *prepare (struct ev_loop *loop, SV *cb)
1383 ALIAS:
1384 prepare_ns = 1
1385 CODE:
1386 RETVAL = e_new (sizeof (ev_prepare), cb, ST (0));
1387 ev_prepare_set (RETVAL);
1388 if (!ix) START (prepare, RETVAL);
1389 OUTPUT:
1390 RETVAL
1391
1392 ev_check *check (struct ev_loop *loop, SV *cb)
1393 ALIAS:
1394 check_ns = 1
1395 CODE:
1396 RETVAL = e_new (sizeof (ev_check), cb, ST (0));
1397 ev_check_set (RETVAL);
1398 if (!ix) START (check, RETVAL);
1399 OUTPUT:
1400 RETVAL
1401
1402 ev_fork *fork (struct ev_loop *loop, SV *cb)
1403 ALIAS:
1404 fork_ns = 1
1405 CODE:
1406 RETVAL = e_new (sizeof (ev_fork), cb, ST (0));
1407 ev_fork_set (RETVAL);
1408 if (!ix) START (fork, RETVAL);
1409 OUTPUT:
1410 RETVAL
1411
1412 ev_child *child (struct ev_loop *loop, int pid, int trace, SV *cb)
1413 ALIAS:
1414 child_ns = 1
1415 CODE:
1416 RETVAL = e_new (sizeof (ev_child), cb, ST (0));
1417 ev_child_set (RETVAL, pid, trace);
1418 if (!ix) START (child, RETVAL);
1419 OUTPUT:
1420 RETVAL
1421
1422 ev_stat *stat (struct ev_loop *loop, SV *path, NV interval, SV *cb)
1423 ALIAS:
1424 stat_ns = 1
1425 CODE:
1426 RETVAL = e_new (sizeof (ev_stat), cb, ST (0));
1427 RETVAL->fh = newSVsv (path);
1428 ev_stat_set (RETVAL, SvPVbyte_nolen (RETVAL->fh), interval);
1429 if (!ix) START (stat, RETVAL);
1430 OUTPUT:
1431 RETVAL
1432
1433 ev_embed *embed (struct ev_loop *loop, struct ev_loop *other, SV *cb = 0)
1434 ALIAS:
1435 embed_ns = 1
1436 CODE:
1437 {
1438 if (!(ev_backend (other) & ev_embeddable_backends ()))
1439 croak ("passed loop is not embeddable via EV::embed,");
1440
1441 RETVAL = e_new (sizeof (ev_embed), cb, ST (0));
1442 RETVAL->fh = newSVsv (ST (1));
1443 ev_embed_set (RETVAL, other);
1444 if (!ix) START (embed, RETVAL);
1445 }
1446 OUTPUT:
1447 RETVAL
1448
1449 ev_async *async (struct ev_loop *loop, SV *cb)
1450 ALIAS:
1451 async_ns = 1
1452 CODE:
1453 RETVAL = e_new (sizeof (ev_async), cb, ST (0));
1454 ev_async_set (RETVAL);
1455 if (!ix) START (async, RETVAL);
1456 OUTPUT:
1457 RETVAL
1458
1459 void once (struct ev_loop *loop, SV *fh, int events, SV *timeout, SV *cb)
1460 CODE:
1461 ev_once (
1462 loop,
1463 sv_fileno (fh), events,
1464 SvOK (timeout) ? SvNV (timeout) : -1.,
1465 e_once_cb,
1466 newSVsv (cb)
1467 );
1468