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/cvs/EV/EV.xs
Revision: 1.121
Committed: Wed Apr 15 17:49:26 2009 UTC (15 years, 1 month ago) by root
Branch: MAIN
Changes since 1.120: +19 -10 lines
Log Message:
keepalive fix

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