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/cvs/EV/EV.xs
Revision: 1.101
Committed: Sat Dec 22 05:47:51 2007 UTC (16 years, 4 months ago) by root
Branch: MAIN
Changes since 1.100: +12 -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 #define EV_PROTOTYPES 1
8 #define EV_USE_NANOSLEEP EV_USE_MONOTONIC
9 #define EV_H <ev.h>
10 #include "EV/EVAPI.h"
11
12 /* fix perl api breakage */
13 #undef signal
14 #undef sigaction
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 #define e_loop(w) INT2PTR (struct ev_loop *, SvIVX ((w)->loop))
30
31 #define WFLAG_KEEPALIVE 1
32
33 #define UNREF(w) \
34 if (!((w)->flags & WFLAG_KEEPALIVE) \
35 && !ev_is_active (w)) \
36 ev_unref (e_loop (w));
37
38 #define REF(w) \
39 if (!((w)->flags & WFLAG_KEEPALIVE) \
40 && ev_is_active (w)) \
41 ev_ref (e_loop (w));
42
43 #define START(type,w) \
44 do { \
45 UNREF (w); \
46 ev_ ## type ## _start (e_loop (w), w); \
47 } while (0)
48
49 #define STOP(type,w) \
50 do { \
51 REF (w); \
52 ev_ ## type ## _stop (e_loop (w), w); \
53 } while (0)
54
55 #define RESET(type,w,seta) \
56 do { \
57 int active = ev_is_active (w); \
58 if (active) STOP (type, w); \
59 ev_ ## type ## _set seta; \
60 if (active) START (type, w); \
61 } while (0)
62
63 typedef int Signal;
64
65 static SV *default_loop_sv;
66
67 static struct EVAPI evapi;
68
69 static HV
70 *stash_loop,
71 *stash_watcher,
72 *stash_io,
73 *stash_timer,
74 *stash_periodic,
75 *stash_signal,
76 *stash_child,
77 *stash_stat,
78 *stash_idle,
79 *stash_prepare,
80 *stash_check,
81 *stash_embed,
82 *stash_fork;
83
84 #ifndef SIG_SIZE
85 /* kudos to Slaven Rezic for the idea */
86 static char sig_size [] = { SIG_NUM };
87 # define SIG_SIZE (sizeof (sig_size) + 1)
88 #endif
89
90 static Signal
91 sv_signum (SV *sig)
92 {
93 Signal signum;
94
95 SvGETMAGIC (sig);
96
97 for (signum = 1; signum < SIG_SIZE; ++signum)
98 if (strEQ (SvPV_nolen (sig), PL_sig_name [signum]))
99 return signum;
100
101 signum = SvIV (sig);
102
103 if (signum > 0 && signum < SIG_SIZE)
104 return signum;
105
106 return -1;
107 }
108
109 /////////////////////////////////////////////////////////////////////////////
110 // Event
111
112 static void e_cb (EV_P_ ev_watcher *w, int revents);
113
114 static int
115 sv_fileno (SV *fh)
116 {
117 SvGETMAGIC (fh);
118
119 if (SvROK (fh))
120 fh = SvRV (fh);
121
122 if (SvTYPE (fh) == SVt_PVGV)
123 return PerlIO_fileno (IoIFP (sv_2io (fh)));
124
125 if (SvOK (fh) && (SvIV (fh) >= 0) && (SvIV (fh) < 0x7fffffffL))
126 return SvIV (fh);
127
128 return -1;
129 }
130
131 static void *
132 e_new (int size, SV *cb_sv, SV *loop)
133 {
134 ev_watcher *w;
135 SV *self = NEWSV (0, size);
136 SvPOK_only (self);
137 SvCUR_set (self, size);
138
139 w = (ev_watcher *)SvPVX (self);
140
141 ev_init (w, e_cb);
142
143 w->loop = SvREFCNT_inc (SvRV (loop));
144 w->flags = WFLAG_KEEPALIVE;
145 w->data = 0;
146 w->fh = 0;
147 w->cb_sv = SvTEMP (cb_sv) && SvREFCNT (cb_sv) == 1 ? SvREFCNT_inc (cb_sv) : newSVsv (cb_sv);
148 w->self = self;
149
150 return (void *)w;
151 }
152
153 static void
154 e_destroy (void *w_)
155 {
156 ev_watcher *w = (ev_watcher *)w_;
157
158 SvREFCNT_dec (w->loop ); w->loop = 0;
159 SvREFCNT_dec (w->fh ); w->fh = 0;
160 SvREFCNT_dec (w->cb_sv); w->cb_sv = 0;
161 SvREFCNT_dec (w->data ); w->data = 0;
162 }
163
164 static SV *
165 e_bless (ev_watcher *w, HV *stash)
166 {
167 SV *rv;
168
169 if (SvOBJECT (w->self))
170 rv = newRV_inc (w->self);
171 else
172 {
173 rv = newRV_noinc (w->self);
174 sv_bless (rv, stash);
175 SvREADONLY_on (w->self);
176 }
177
178 return rv;
179 }
180
181 static SV *sv_events_cache;
182
183 static void
184 e_cb (EV_P_ ev_watcher *w, int revents)
185 {
186 dSP;
187 I32 mark = SP - PL_stack_base;
188 SV *sv_self, *sv_events;
189
190 sv_self = newRV_inc (w->self); /* w->self MUST be blessed by now */
191
192 if (sv_events_cache)
193 {
194 sv_events = sv_events_cache; sv_events_cache = 0;
195 SvIV_set (sv_events, revents);
196 }
197 else
198 sv_events = newSViv (revents);
199
200 PUSHMARK (SP);
201 EXTEND (SP, 2);
202 PUSHs (sv_self);
203 PUSHs (sv_events);
204
205 PUTBACK;
206 call_sv (w->cb_sv, G_DISCARD | G_VOID | G_EVAL);
207
208 SvREFCNT_dec (sv_self);
209
210 if (sv_events_cache)
211 SvREFCNT_dec (sv_events);
212 else
213 sv_events_cache = sv_events;
214
215 if (SvTRUE (ERRSV))
216 {
217 SPAGAIN;
218 PUSHMARK (SP);
219 PUTBACK;
220 call_sv (get_sv ("EV::DIED", 1), G_DISCARD | G_VOID | G_EVAL | G_KEEPERR);
221 }
222
223 SP = PL_stack_base + mark;
224 PUTBACK;
225 }
226
227 static void
228 e_once_cb (int revents, void *arg)
229 {
230 dSP;
231 I32 mark = SP - PL_stack_base;
232 SV *sv_events;
233
234 if (sv_events_cache)
235 {
236 sv_events = sv_events_cache; sv_events_cache = 0;
237 SvIV_set (sv_events, revents);
238 }
239 else
240 sv_events = newSViv (revents);
241
242 PUSHMARK (SP);
243 XPUSHs (sv_events);
244
245 PUTBACK;
246 call_sv ((SV *)arg, G_DISCARD | G_VOID | G_EVAL);
247
248 SvREFCNT_dec ((SV *)arg);
249
250 if (sv_events_cache)
251 SvREFCNT_dec (sv_events);
252 else
253 sv_events_cache = sv_events;
254
255 if (SvTRUE (ERRSV))
256 {
257 SPAGAIN;
258 PUSHMARK (SP);
259 PUTBACK;
260 call_sv (get_sv ("EV::DIED", 1), G_DISCARD | G_VOID | G_EVAL | G_KEEPERR);
261 }
262
263 SP = PL_stack_base + mark;
264 PUTBACK;
265 }
266
267 static ev_tstamp
268 e_periodic_cb (ev_periodic *w, ev_tstamp now)
269 {
270 ev_tstamp retval;
271 int count;
272 dSP;
273
274 ENTER;
275 SAVETMPS;
276
277 PUSHMARK (SP);
278 EXTEND (SP, 2);
279 PUSHs (newRV_inc (w->self)); /* w->self MUST be blessed by now */
280 PUSHs (newSVnv (now));
281
282 PUTBACK;
283 count = call_sv (w->fh, G_SCALAR | G_EVAL);
284 SPAGAIN;
285
286 if (SvTRUE (ERRSV))
287 {
288 PUSHMARK (SP);
289 PUTBACK;
290 call_sv (get_sv ("EV::DIED", 1), G_DISCARD | G_VOID | G_EVAL | G_KEEPERR);
291 SPAGAIN;
292 }
293
294 if (count > 0)
295 {
296 retval = SvNV (TOPs);
297
298 if (retval < now)
299 retval = now;
300 }
301 else
302 retval = now;
303
304 FREETMPS;
305 LEAVE;
306
307 return retval;
308 }
309
310 #define CHECK_REPEAT(repeat) if (repeat < 0.) \
311 croak (# repeat " value must be >= 0");
312
313 #define CHECK_FD(fh,fd) if ((fd) < 0) \
314 croak ("illegal file descriptor or filehandle (either no attached file descriptor or illegal value): %s", SvPV_nolen (fh));
315
316 #define CHECK_SIG(sv,num) if ((num) < 0) \
317 croak ("illegal signal number or name: %s", SvPV_nolen (sv));
318
319 /////////////////////////////////////////////////////////////////////////////
320 // XS interface functions
321
322 MODULE = EV PACKAGE = EV PREFIX = ev_
323
324 PROTOTYPES: ENABLE
325
326 BOOT:
327 {
328 HV *stash = gv_stashpv ("EV", 1);
329
330 static const struct {
331 const char *name;
332 IV iv;
333 } *civ, const_iv[] = {
334 # define const_iv(pfx, name) { # name, (IV) pfx ## name },
335 const_iv (EV_, MINPRI)
336 const_iv (EV_, MAXPRI)
337
338 const_iv (EV_, UNDEF)
339 const_iv (EV_, NONE)
340 const_iv (EV_, TIMEOUT)
341 const_iv (EV_, READ)
342 const_iv (EV_, WRITE)
343 const_iv (EV_, SIGNAL)
344 const_iv (EV_, IDLE)
345 const_iv (EV_, CHECK)
346 const_iv (EV_, ERROR)
347
348 const_iv (EV, LOOP_ONESHOT)
349 const_iv (EV, LOOP_NONBLOCK)
350 const_iv (EV, UNLOOP_ONE)
351 const_iv (EV, UNLOOP_ALL)
352
353 const_iv (EV, BACKEND_SELECT)
354 const_iv (EV, BACKEND_POLL)
355 const_iv (EV, BACKEND_EPOLL)
356 const_iv (EV, BACKEND_KQUEUE)
357 const_iv (EV, BACKEND_DEVPOLL)
358 const_iv (EV, BACKEND_PORT)
359 const_iv (EV, FLAG_AUTO)
360 const_iv (EV, FLAG_NOENV)
361 const_iv (EV, FLAG_FORKCHECK)
362 };
363
364 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
365 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
366
367 stash_loop = gv_stashpv ("EV::Loop" , 1);
368 stash_watcher = gv_stashpv ("EV::Watcher" , 1);
369 stash_io = gv_stashpv ("EV::IO" , 1);
370 stash_timer = gv_stashpv ("EV::Timer" , 1);
371 stash_periodic = gv_stashpv ("EV::Periodic", 1);
372 stash_signal = gv_stashpv ("EV::Signal" , 1);
373 stash_idle = gv_stashpv ("EV::Idle" , 1);
374 stash_prepare = gv_stashpv ("EV::Prepare" , 1);
375 stash_check = gv_stashpv ("EV::Check" , 1);
376 stash_child = gv_stashpv ("EV::Child" , 1);
377 stash_embed = gv_stashpv ("EV::Embed" , 1);
378 stash_stat = gv_stashpv ("EV::Stat" , 1);
379 stash_fork = gv_stashpv ("EV::Fork" , 1);
380
381 {
382 SV *sv = perl_get_sv ("EV::API", TRUE);
383 perl_get_sv ("EV::API", TRUE); /* silence 5.10 warning */
384
385 /* the poor man's shared library emulator */
386 evapi.ver = EV_API_VERSION;
387 evapi.rev = EV_API_REVISION;
388 evapi.sv_fileno = sv_fileno;
389 evapi.sv_signum = sv_signum;
390 evapi.supported_backends = ev_supported_backends ();
391 evapi.recommended_backends = ev_recommended_backends ();
392 evapi.embeddable_backends = ev_embeddable_backends ();
393 evapi.time = ev_time;
394 evapi.sleep = ev_sleep;
395 evapi.loop_new = ev_loop_new;
396 evapi.loop_destroy = ev_loop_destroy;
397 evapi.loop_fork = ev_loop_fork;
398 evapi.loop_count = ev_loop_count;
399 evapi.now = ev_now;
400 evapi.backend = ev_backend;
401 evapi.unloop = ev_unloop;
402 evapi.ref = ev_ref;
403 evapi.unref = ev_unref;
404 evapi.loop = ev_loop;
405 evapi.once = ev_once;
406 evapi.io_start = ev_io_start;
407 evapi.io_stop = ev_io_stop;
408 evapi.timer_start = ev_timer_start;
409 evapi.timer_stop = ev_timer_stop;
410 evapi.timer_again = ev_timer_again;
411 evapi.periodic_start = ev_periodic_start;
412 evapi.periodic_stop = ev_periodic_stop;
413 evapi.signal_start = ev_signal_start;
414 evapi.signal_stop = ev_signal_stop;
415 evapi.idle_start = ev_idle_start;
416 evapi.idle_stop = ev_idle_stop;
417 evapi.prepare_start = ev_prepare_start;
418 evapi.prepare_stop = ev_prepare_stop;
419 evapi.check_start = ev_check_start;
420 evapi.check_stop = ev_check_stop;
421 evapi.child_start = ev_child_start;
422 evapi.child_stop = ev_child_stop;
423 evapi.stat_start = ev_stat_start;
424 evapi.stat_stop = ev_stat_stop;
425 evapi.stat_stat = ev_stat_stat;
426 evapi.embed_start = ev_embed_start;
427 evapi.embed_stop = ev_embed_stop;
428 evapi.embed_sweep = ev_embed_sweep;
429 evapi.fork_start = ev_fork_start;
430 evapi.fork_stop = ev_fork_stop;
431 evapi.clear_pending = ev_clear_pending;
432 evapi.invoke = ev_invoke;
433
434 sv_setiv (sv, (IV)&evapi);
435 SvREADONLY_on (sv);
436 }
437 #ifndef _WIN32
438 pthread_atfork (0, 0, ev_default_fork);
439 #endif
440 }
441
442 SV *ev_default_loop (unsigned int flags = 0)
443 CODE:
444 {
445 if (!default_loop_sv)
446 {
447 evapi.default_loop = ev_default_loop (flags);
448
449 if (!evapi.default_loop)
450 XSRETURN_UNDEF;
451
452 default_loop_sv = sv_bless (newRV_noinc (newSViv (PTR2IV (evapi.default_loop))), stash_loop);
453 }
454
455 RETVAL = newSVsv (default_loop_sv);
456 }
457 OUTPUT:
458 RETVAL
459
460 NV ev_time ()
461
462 NV ev_now ()
463 C_ARGS: evapi.default_loop
464
465 unsigned int ev_backend ()
466 C_ARGS: evapi.default_loop
467
468 unsigned int ev_loop_count ()
469 C_ARGS: evapi.default_loop
470
471 void ev_set_io_collect_interval (NV interval)
472 C_ARGS: evapi.default_loop, interval
473
474 void ev_set_timeout_collect_interval (NV interval)
475 C_ARGS: evapi.default_loop, interval
476
477 void ev_loop (int flags = 0)
478 C_ARGS: evapi.default_loop, flags
479
480 void ev_unloop (int how = 1)
481 C_ARGS: evapi.default_loop, how
482
483 void ev_feed_fd_event (int fd, int revents = EV_NONE)
484 C_ARGS: evapi.default_loop, fd, revents
485
486 void ev_feed_signal_event (SV *signal)
487 CODE:
488 {
489 Signal signum = sv_signum (signal);
490 CHECK_SIG (signal, signum);
491
492 ev_feed_signal_event (evapi.default_loop, signum);
493 }
494
495 ev_io *io (SV *fh, int events, SV *cb)
496 ALIAS:
497 io_ns = 1
498 CODE:
499 {
500 int fd = sv_fileno (fh);
501 CHECK_FD (fh, fd);
502
503 RETVAL = e_new (sizeof (ev_io), cb, default_loop_sv);
504 RETVAL->fh = newSVsv (fh);
505 ev_io_set (RETVAL, fd, events);
506 if (!ix) START (io, RETVAL);
507 }
508 OUTPUT:
509 RETVAL
510
511 ev_timer *timer (NV after, NV repeat, SV *cb)
512 ALIAS:
513 timer_ns = 1
514 INIT:
515 CHECK_REPEAT (repeat);
516 CODE:
517 RETVAL = e_new (sizeof (ev_timer), cb, default_loop_sv);
518 ev_timer_set (RETVAL, after, repeat);
519 if (!ix) START (timer, RETVAL);
520 OUTPUT:
521 RETVAL
522
523 SV *periodic (NV at, NV interval, SV *reschedule_cb, SV *cb)
524 ALIAS:
525 periodic_ns = 1
526 INIT:
527 CHECK_REPEAT (interval);
528 CODE:
529 {
530 ev_periodic *w;
531 w = e_new (sizeof (ev_periodic), cb, default_loop_sv);
532 w->fh = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
533 ev_periodic_set (w, at, interval, w->fh ? e_periodic_cb : 0);
534 RETVAL = e_bless ((ev_watcher *)w, stash_periodic);
535 if (!ix) START (periodic, w);
536 }
537 OUTPUT:
538 RETVAL
539
540 ev_signal *signal (SV *signal, SV *cb)
541 ALIAS:
542 signal_ns = 1
543 CODE:
544 {
545 Signal signum = sv_signum (signal);
546 CHECK_SIG (signal, signum);
547
548 RETVAL = e_new (sizeof (ev_signal), cb, default_loop_sv);
549 ev_signal_set (RETVAL, signum);
550 if (!ix) START (signal, RETVAL);
551 }
552 OUTPUT:
553 RETVAL
554
555 ev_idle *idle (SV *cb)
556 ALIAS:
557 idle_ns = 1
558 CODE:
559 RETVAL = e_new (sizeof (ev_idle), cb, default_loop_sv);
560 ev_idle_set (RETVAL);
561 if (!ix) START (idle, RETVAL);
562 OUTPUT:
563 RETVAL
564
565 ev_prepare *prepare (SV *cb)
566 ALIAS:
567 prepare_ns = 1
568 CODE:
569 RETVAL = e_new (sizeof (ev_prepare), cb, default_loop_sv);
570 ev_prepare_set (RETVAL);
571 if (!ix) START (prepare, RETVAL);
572 OUTPUT:
573 RETVAL
574
575 ev_check *check (SV *cb)
576 ALIAS:
577 check_ns = 1
578 CODE:
579 RETVAL = e_new (sizeof (ev_check), cb, default_loop_sv);
580 ev_check_set (RETVAL);
581 if (!ix) START (check, RETVAL);
582 OUTPUT:
583 RETVAL
584
585 ev_fork *fork (SV *cb)
586 ALIAS:
587 fork_ns = 1
588 CODE:
589 RETVAL = e_new (sizeof (ev_fork), cb, default_loop_sv);
590 ev_fork_set (RETVAL);
591 if (!ix) START (fork, RETVAL);
592 OUTPUT:
593 RETVAL
594
595 ev_child *child (int pid, SV *cb)
596 ALIAS:
597 child_ns = 1
598 CODE:
599 RETVAL = e_new (sizeof (ev_child), cb, default_loop_sv);
600 ev_child_set (RETVAL, pid);
601 if (!ix) START (child, RETVAL);
602 OUTPUT:
603 RETVAL
604
605 ev_stat *stat (SV *path, NV interval, SV *cb)
606 ALIAS:
607 stat_ns = 1
608 CODE:
609 RETVAL = e_new (sizeof (ev_stat), cb, default_loop_sv);
610 RETVAL->fh = newSVsv (path);
611 ev_stat_set (RETVAL, SvPVbyte_nolen (RETVAL->fh), interval);
612 if (!ix) START (stat, RETVAL);
613 OUTPUT:
614 RETVAL
615
616 ev_embed *embed (struct ev_loop *loop, SV *cb = &PL_sv_undef)
617 ALIAS:
618 embed_ns = 1
619 CODE:
620 {
621 if (!(ev_backend (loop) & ev_embeddable_backends ()))
622 croak ("passed loop is not embeddable via EV::embed,");
623
624 RETVAL = e_new (sizeof (ev_embed), cb, default_loop_sv);
625 RETVAL->fh = newSVsv (ST (0));
626 ev_embed_set (RETVAL, loop);
627
628 if (!SvOK (cb)) ev_set_cb (RETVAL, 0);
629
630 if (!ix) START (embed, RETVAL);
631 }
632 OUTPUT:
633 RETVAL
634
635 void once (SV *fh, int events, SV *timeout, SV *cb)
636 CODE:
637 ev_once (
638 evapi.default_loop,
639 sv_fileno (fh), events,
640 SvOK (timeout) ? SvNV (timeout) : -1.,
641 e_once_cb,
642 newSVsv (cb)
643 );
644
645 PROTOTYPES: DISABLE
646
647 MODULE = EV PACKAGE = EV::Watcher PREFIX = ev_
648
649 int ev_is_active (ev_watcher *w)
650
651 int ev_is_pending (ev_watcher *w)
652
653 void ev_invoke (ev_watcher *w, int revents = EV_NONE)
654 C_ARGS: e_loop (w), w, revents
655
656 int ev_clear_pending (ev_watcher *w)
657 C_ARGS: e_loop (w), w
658
659 void ev_feed_event (ev_watcher *w, int revents = EV_NONE)
660 C_ARGS: e_loop (w), w, revents
661
662 int keepalive (ev_watcher *w, int new_value = 0)
663 CODE:
664 {
665 RETVAL = w->flags & WFLAG_KEEPALIVE;
666 new_value = new_value ? WFLAG_KEEPALIVE : 0;
667
668 if (items > 1 && ((new_value ^ w->flags) & WFLAG_KEEPALIVE))
669 {
670 REF (w);
671 w->flags = (w->flags & ~WFLAG_KEEPALIVE) | new_value;
672 UNREF (w);
673 }
674 }
675 OUTPUT:
676 RETVAL
677
678 SV *cb (ev_watcher *w, SV *new_cb = 0)
679 CODE:
680 {
681 RETVAL = newSVsv (w->cb_sv);
682
683 if (items > 1)
684 sv_setsv (w->cb_sv, new_cb);
685 }
686 OUTPUT:
687 RETVAL
688
689 SV *data (ev_watcher *w, SV *new_data = 0)
690 CODE:
691 {
692 RETVAL = w->data ? newSVsv (w->data) : &PL_sv_undef;
693
694 if (items > 1)
695 {
696 SvREFCNT_dec (w->data);
697 w->data = newSVsv (new_data);
698 }
699 }
700 OUTPUT:
701 RETVAL
702
703 SV *loop (ev_watcher *w)
704 CODE:
705 RETVAL = newRV_inc (w->loop);
706 OUTPUT:
707 RETVAL
708
709 int priority (ev_watcher *w, int new_priority = 0)
710 CODE:
711 {
712 RETVAL = w->priority;
713
714 if (items > 1)
715 {
716 int active = ev_is_active (w);
717
718 if (active)
719 {
720 /* grrr. */
721 PUSHMARK (SP);
722 XPUSHs (ST (0));
723 PUTBACK;
724 call_method ("stop", G_DISCARD | G_VOID);
725 }
726
727 ev_set_priority (w, new_priority);
728
729 if (active)
730 {
731 PUSHMARK (SP);
732 XPUSHs (ST (0));
733 PUTBACK;
734 call_method ("start", G_DISCARD | G_VOID);
735 }
736 }
737 }
738 OUTPUT:
739 RETVAL
740
741 MODULE = EV PACKAGE = EV::IO PREFIX = ev_io_
742
743 void ev_io_start (ev_io *w)
744 CODE:
745 START (io, w);
746
747 void ev_io_stop (ev_io *w)
748 CODE:
749 STOP (io, w);
750
751 void DESTROY (ev_io *w)
752 CODE:
753 STOP (io, w);
754 e_destroy (w);
755
756 void set (ev_io *w, SV *fh, int events)
757 CODE:
758 {
759 int fd = sv_fileno (fh);
760 CHECK_FD (fh, fd);
761
762 sv_setsv (w->fh, fh);
763 RESET (io, w, (w, fd, events));
764 }
765
766 SV *fh (ev_io *w, SV *new_fh = 0)
767 CODE:
768 {
769 if (items > 1)
770 {
771 int fd = sv_fileno (new_fh);
772 CHECK_FD (new_fh, fd);
773
774 RETVAL = w->fh;
775 w->fh = newSVsv (new_fh);
776
777 RESET (io, w, (w, fd, w->events));
778 }
779 else
780 RETVAL = newSVsv (w->fh);
781 }
782 OUTPUT:
783 RETVAL
784
785 int events (ev_io *w, int new_events = EV_UNDEF)
786 CODE:
787 {
788 RETVAL = w->events;
789
790 if (items > 1)
791 RESET (io, w, (w, w->fd, new_events));
792 }
793 OUTPUT:
794 RETVAL
795
796 MODULE = EV PACKAGE = EV::Signal PREFIX = ev_signal_
797
798 void ev_signal_start (ev_signal *w)
799 CODE:
800 START (signal, w);
801
802 void ev_signal_stop (ev_signal *w)
803 CODE:
804 STOP (signal, w);
805
806 void DESTROY (ev_signal *w)
807 CODE:
808 STOP (signal, w);
809 e_destroy (w);
810
811 void set (ev_signal *w, SV *signal)
812 CODE:
813 {
814 Signal signum = sv_signum (signal);
815 CHECK_SIG (signal, signum);
816
817 RESET (signal, w, (w, signum));
818 }
819
820 int signal (ev_signal *w, SV *new_signal = 0)
821 CODE:
822 {
823 RETVAL = w->signum;
824
825 if (items > 1)
826 {
827 Signal signum = sv_signum (new_signal);
828 CHECK_SIG (new_signal, signum);
829
830 RESET (signal, w, (w, signum));
831 }
832 }
833 OUTPUT:
834 RETVAL
835
836 MODULE = EV PACKAGE = EV::Timer PREFIX = ev_timer_
837
838 void ev_timer_start (ev_timer *w)
839 INIT:
840 CHECK_REPEAT (w->repeat);
841 CODE:
842 START (timer, w);
843
844 void ev_timer_stop (ev_timer *w)
845 CODE:
846 STOP (timer, w);
847
848 void ev_timer_again (ev_timer *w)
849 INIT:
850 CHECK_REPEAT (w->repeat);
851 CODE:
852 REF (w);
853 ev_timer_again (e_loop (w), w);
854 UNREF (w);
855
856 void DESTROY (ev_timer *w)
857 CODE:
858 STOP (timer, w);
859 e_destroy (w);
860
861 void set (ev_timer *w, NV after, NV repeat = 0.)
862 INIT:
863 CHECK_REPEAT (repeat);
864 CODE:
865 RESET (timer, w, (w, after, repeat));
866
867 NV at (ev_timer *w)
868 CODE:
869 RETVAL = w->at;
870 OUTPUT:
871 RETVAL
872
873 MODULE = EV PACKAGE = EV::Periodic PREFIX = ev_periodic_
874
875 void ev_periodic_start (ev_periodic *w)
876 INIT:
877 CHECK_REPEAT (w->interval);
878 CODE:
879 START (periodic, w);
880
881 void ev_periodic_stop (ev_periodic *w)
882 CODE:
883 STOP (periodic, w);
884
885 void ev_periodic_again (ev_periodic *w)
886 CODE:
887 REF (w);
888 ev_periodic_again (e_loop (w), w);
889 UNREF (w);
890
891 void DESTROY (ev_periodic *w)
892 CODE:
893 STOP (periodic, w);
894 e_destroy (w);
895
896 void set (ev_periodic *w, NV at, NV interval = 0., SV *reschedule_cb = &PL_sv_undef)
897 INIT:
898 CHECK_REPEAT (interval);
899 CODE:
900 {
901 SvREFCNT_dec (w->fh);
902 w->fh = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
903
904 RESET (periodic, w, (w, at, interval, w->fh ? e_periodic_cb : 0));
905 }
906
907 NV at (ev_periodic *w)
908 CODE:
909 RETVAL = w->at;
910 OUTPUT:
911 RETVAL
912
913 MODULE = EV PACKAGE = EV::Idle PREFIX = ev_idle_
914
915 void ev_idle_start (ev_idle *w)
916 CODE:
917 START (idle, w);
918
919 void ev_idle_stop (ev_idle *w)
920 CODE:
921 STOP (idle, w);
922
923 void DESTROY (ev_idle *w)
924 CODE:
925 STOP (idle, w);
926 e_destroy (w);
927
928 MODULE = EV PACKAGE = EV::Prepare PREFIX = ev_prepare_
929
930 void ev_prepare_start (ev_prepare *w)
931 CODE:
932 START (prepare, w);
933
934 void ev_prepare_stop (ev_prepare *w)
935 CODE:
936 STOP (prepare, w);
937
938 void DESTROY (ev_prepare *w)
939 CODE:
940 STOP (prepare, w);
941 e_destroy (w);
942
943 MODULE = EV PACKAGE = EV::Check PREFIX = ev_check_
944
945 void ev_check_start (ev_check *w)
946 CODE:
947 START (check, w);
948
949 void ev_check_stop (ev_check *w)
950 CODE:
951 STOP (check, w);
952
953 void DESTROY (ev_check *w)
954 CODE:
955 STOP (check, w);
956 e_destroy (w);
957
958 MODULE = EV PACKAGE = EV::Fork PREFIX = ev_fork_
959
960 void ev_fork_start (ev_fork *w)
961 CODE:
962 START (fork, w);
963
964 void ev_fork_stop (ev_fork *w)
965 CODE:
966 STOP (fork, w);
967
968 void DESTROY (ev_fork *w)
969 CODE:
970 STOP (fork, w);
971 e_destroy (w);
972
973 MODULE = EV PACKAGE = EV::Child PREFIX = ev_child_
974
975 void ev_child_start (ev_child *w)
976 CODE:
977 START (child, w);
978
979 void ev_child_stop (ev_child *w)
980 CODE:
981 STOP (child, w);
982
983 void DESTROY (ev_child *w)
984 CODE:
985 STOP (child, w);
986 e_destroy (w);
987
988 void set (ev_child *w, int pid)
989 CODE:
990 RESET (child, w, (w, pid));
991
992 int pid (ev_child *w, int new_pid = 0)
993 CODE:
994 {
995 RETVAL = w->pid;
996
997 if (items > 1)
998 RESET (child, w, (w, new_pid));
999 }
1000 OUTPUT:
1001 RETVAL
1002
1003
1004 int rstatus (ev_child *w)
1005 ALIAS:
1006 rpid = 1
1007 CODE:
1008 RETVAL = ix ? w->rpid : w->rstatus;
1009 OUTPUT:
1010 RETVAL
1011
1012 MODULE = EV PACKAGE = EV::Stat PREFIX = ev_stat_
1013
1014 void ev_stat_start (ev_stat *w)
1015 CODE:
1016 START (stat, w);
1017
1018 void ev_stat_stop (ev_stat *w)
1019 CODE:
1020 STOP (stat, w);
1021
1022 void DESTROY (ev_stat *w)
1023 CODE:
1024 STOP (stat, w);
1025 e_destroy (w);
1026
1027 void set (ev_stat *w, SV *path, NV interval)
1028 CODE:
1029 {
1030 sv_setsv (w->fh, path);
1031 RESET (stat, w, (w, SvPVbyte_nolen (w->fh), interval));
1032 }
1033
1034 SV *path (ev_stat *w, SV *new_path = 0)
1035 CODE:
1036 {
1037 RETVAL = SvREFCNT_inc (w->fh);
1038
1039 if (items > 1)
1040 {
1041 SvREFCNT_dec (w->fh);
1042 w->fh = newSVsv (new_path);
1043 RESET (stat, w, (w, SvPVbyte_nolen (w->fh), w->interval));
1044 }
1045 }
1046 OUTPUT:
1047 RETVAL
1048
1049 NV interval (ev_stat *w, NV new_interval = 0.)
1050 CODE:
1051 {
1052 RETVAL = w->interval;
1053
1054 if (items > 1)
1055 RESET (stat, w, (w, SvPVbyte_nolen (w->fh), new_interval));
1056 }
1057 OUTPUT:
1058 RETVAL
1059
1060 void prev (ev_stat *w)
1061 ALIAS:
1062 stat = 1
1063 attr = 2
1064 PPCODE:
1065 {
1066 ev_statdata *s = ix ? &w->attr : &w->prev;
1067
1068 if (ix == 1)
1069 ev_stat_stat (e_loop (w), w);
1070 else if (!s->st_nlink)
1071 errno = ENOENT;
1072
1073 PL_statcache.st_dev = s->st_nlink;
1074 PL_statcache.st_ino = s->st_ino;
1075 PL_statcache.st_mode = s->st_mode;
1076 PL_statcache.st_nlink = s->st_nlink;
1077 PL_statcache.st_uid = s->st_uid;
1078 PL_statcache.st_gid = s->st_gid;
1079 PL_statcache.st_rdev = s->st_rdev;
1080 PL_statcache.st_size = s->st_size;
1081 PL_statcache.st_atime = s->st_atime;
1082 PL_statcache.st_mtime = s->st_mtime;
1083 PL_statcache.st_ctime = s->st_ctime;
1084
1085 if (GIMME_V == G_SCALAR)
1086 XPUSHs (boolSV (s->st_nlink));
1087 else if (GIMME_V == G_ARRAY && s->st_nlink)
1088 {
1089 EXTEND (SP, 13);
1090 PUSHs (sv_2mortal (newSViv (s->st_dev)));
1091 PUSHs (sv_2mortal (newSViv (s->st_ino)));
1092 PUSHs (sv_2mortal (newSVuv (s->st_mode)));
1093 PUSHs (sv_2mortal (newSVuv (s->st_nlink)));
1094 PUSHs (sv_2mortal (newSViv (s->st_uid)));
1095 PUSHs (sv_2mortal (newSViv (s->st_gid)));
1096 PUSHs (sv_2mortal (newSViv (s->st_rdev)));
1097 PUSHs (sv_2mortal (newSVnv ((NV)s->st_size)));
1098 PUSHs (sv_2mortal (newSVnv (s->st_atime)));
1099 PUSHs (sv_2mortal (newSVnv (s->st_mtime)));
1100 PUSHs (sv_2mortal (newSVnv (s->st_ctime)));
1101 PUSHs (sv_2mortal (newSVuv (4096)));
1102 PUSHs (sv_2mortal (newSVnv ((NV)((s->st_size + 4095) / 4096))));
1103 }
1104 }
1105
1106 MODULE = EV PACKAGE = EV::Embed PREFIX = ev_embed_
1107
1108 void ev_embed_start (ev_embed *w)
1109 CODE:
1110 START (embed, w);
1111
1112 void ev_embed_stop (ev_embed *w)
1113 CODE:
1114 STOP (embed, w);
1115
1116 void DESTROY (ev_embed *w)
1117 CODE:
1118 STOP (embed, w);
1119 e_destroy (w);
1120
1121 void set (ev_embed *w, struct ev_loop *loop)
1122 CODE:
1123 {
1124 sv_setsv (w->fh, ST (1));
1125 RESET (embed, w, (w, loop));
1126 }
1127
1128 SV *other (ev_embed *w)
1129 CODE:
1130 RETVAL = newSVsv (w->fh);
1131 OUTPUT:
1132 RETVAL
1133
1134 MODULE = EV PACKAGE = EV::Loop PREFIX = ev_
1135
1136 SV *new (SV *klass, unsigned int flags = 0)
1137 CODE:
1138 {
1139 struct ev_loop *loop = ev_loop_new (flags);
1140
1141 if (!loop)
1142 XSRETURN_UNDEF;
1143
1144 RETVAL = sv_bless (newRV_noinc (newSViv (PTR2IV (loop))), stash_loop);
1145 }
1146 OUTPUT:
1147 RETVAL
1148
1149 void DESTROY (struct ev_loop *loop)
1150 CODE:
1151 if (loop != evapi.default_loop) /* global destruction sucks */
1152 ev_loop_destroy (loop);
1153
1154 void ev_loop_fork (struct ev_loop *loop)
1155
1156 NV ev_now (struct ev_loop *loop)
1157
1158 void ev_set_io_collect_interval (struct ev_loop *loop, NV interval)
1159
1160 void ev_set_timeout_collect_interval (struct ev_loop *loop, NV interval)
1161
1162 unsigned int ev_backend (struct ev_loop *loop)
1163
1164 unsigned int ev_loop_count (struct ev_loop *loop)
1165
1166 void ev_loop (struct ev_loop *loop, int flags = 0)
1167
1168 void ev_unloop (struct ev_loop *loop, int how = 1)
1169
1170 void ev_feed_fd_event (struct ev_loop *loop, int fd, int revents = EV_NONE)
1171
1172 #if 0
1173
1174 void ev_feed_signal_event (struct ev_loop *loop, SV *signal)
1175 CODE:
1176 {
1177 Signal signum = sv_signum (signal);
1178 CHECK_SIG (signal, signum);
1179
1180 ev_feed_signal_event (loop, signum);
1181 }
1182
1183 #endif
1184
1185 ev_io *io (struct ev_loop *loop, SV *fh, int events, SV *cb)
1186 ALIAS:
1187 io_ns = 1
1188 CODE:
1189 {
1190 int fd = sv_fileno (fh);
1191 CHECK_FD (fh, fd);
1192
1193 RETVAL = e_new (sizeof (ev_io), cb, ST (0));
1194 RETVAL->fh = newSVsv (fh);
1195 ev_io_set (RETVAL, fd, events);
1196 if (!ix) START (io, RETVAL);
1197 }
1198 OUTPUT:
1199 RETVAL
1200
1201 ev_timer *timer (struct ev_loop *loop, NV after, NV repeat, SV *cb)
1202 ALIAS:
1203 timer_ns = 1
1204 INIT:
1205 CHECK_REPEAT (repeat);
1206 CODE:
1207 RETVAL = e_new (sizeof (ev_timer), cb, ST (0));
1208 ev_timer_set (RETVAL, after, repeat);
1209 if (!ix) START (timer, RETVAL);
1210 OUTPUT:
1211 RETVAL
1212
1213 SV *periodic (struct ev_loop *loop, NV at, NV interval, SV *reschedule_cb, SV *cb)
1214 ALIAS:
1215 periodic_ns = 1
1216 INIT:
1217 CHECK_REPEAT (interval);
1218 CODE:
1219 {
1220 ev_periodic *w;
1221 w = e_new (sizeof (ev_periodic), cb, ST (0));
1222 w->fh = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
1223 ev_periodic_set (w, at, interval, w->fh ? e_periodic_cb : 0);
1224 RETVAL = e_bless ((ev_watcher *)w, stash_periodic);
1225 if (!ix) START (periodic, w);
1226 }
1227 OUTPUT:
1228 RETVAL
1229
1230 #if 0
1231
1232 ev_signal *signal (struct ev_loop *loop, SV *signal, SV *cb)
1233 ALIAS:
1234 signal_ns = 1
1235 CODE:
1236 {
1237 Signal signum = sv_signum (signal);
1238 CHECK_SIG (signal, signum);
1239
1240 RETVAL = e_new (sizeof (ev_signal), cb, ST (0));
1241 ev_signal_set (RETVAL, signum);
1242 if (!ix) START (signal, RETVAL);
1243 }
1244 OUTPUT:
1245 RETVAL
1246
1247 #endif
1248
1249 ev_idle *idle (struct ev_loop *loop, SV *cb)
1250 ALIAS:
1251 idle_ns = 1
1252 CODE:
1253 RETVAL = e_new (sizeof (ev_idle), cb, ST (0));
1254 ev_idle_set (RETVAL);
1255 if (!ix) START (idle, RETVAL);
1256 OUTPUT:
1257 RETVAL
1258
1259 ev_prepare *prepare (struct ev_loop *loop, SV *cb)
1260 ALIAS:
1261 prepare_ns = 1
1262 CODE:
1263 RETVAL = e_new (sizeof (ev_prepare), cb, ST (0));
1264 ev_prepare_set (RETVAL);
1265 if (!ix) START (prepare, RETVAL);
1266 OUTPUT:
1267 RETVAL
1268
1269 ev_check *check (struct ev_loop *loop, SV *cb)
1270 ALIAS:
1271 check_ns = 1
1272 CODE:
1273 RETVAL = e_new (sizeof (ev_check), cb, ST (0));
1274 ev_check_set (RETVAL);
1275 if (!ix) START (check, RETVAL);
1276 OUTPUT:
1277 RETVAL
1278
1279 ev_fork *fork (struct ev_loop *loop, SV *cb)
1280 ALIAS:
1281 fork_ns = 1
1282 CODE:
1283 RETVAL = e_new (sizeof (ev_fork), cb, ST (0));
1284 ev_fork_set (RETVAL);
1285 if (!ix) START (fork, RETVAL);
1286 OUTPUT:
1287 RETVAL
1288
1289 ev_child *child (struct ev_loop *loop, int pid, SV *cb)
1290 ALIAS:
1291 child_ns = 1
1292 CODE:
1293 RETVAL = e_new (sizeof (ev_child), cb, ST (0));
1294 ev_child_set (RETVAL, pid);
1295 if (!ix) START (child, RETVAL);
1296 OUTPUT:
1297 RETVAL
1298
1299 ev_stat *stat (struct ev_loop *loop, SV *path, NV interval, SV *cb)
1300 ALIAS:
1301 stat_ns = 1
1302 CODE:
1303 RETVAL = e_new (sizeof (ev_stat), cb, ST (0));
1304 RETVAL->fh = newSVsv (path);
1305 ev_stat_set (RETVAL, SvPVbyte_nolen (RETVAL->fh), interval);
1306 if (!ix) START (stat, RETVAL);
1307 OUTPUT:
1308 RETVAL
1309
1310 ev_embed *embed (struct ev_loop *loop, struct ev_loop *other, SV *cb = &PL_sv_undef)
1311 ALIAS:
1312 embed_ns = 1
1313 CODE:
1314 {
1315 if (!(ev_backend (other) & ev_embeddable_backends ()))
1316 croak ("passed loop is not embeddable via EV::embed,");
1317
1318 RETVAL = e_new (sizeof (ev_embed), cb, ST (0));
1319 RETVAL->fh = newSVsv (ST (1));
1320 ev_embed_set (RETVAL, other);
1321
1322 if (!SvOK (cb)) ev_set_cb (RETVAL, 0);
1323
1324 if (!ix) START (embed, RETVAL);
1325 }
1326 OUTPUT:
1327 RETVAL
1328
1329 void once (struct ev_loop *loop, SV *fh, int events, SV *timeout, SV *cb)
1330 CODE:
1331 ev_once (
1332 loop,
1333 sv_fileno (fh), events,
1334 SvOK (timeout) ? SvNV (timeout) : -1.,
1335 e_once_cb,
1336 newSVsv (cb)
1337 );
1338