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/cvs/EV/EV.xs
Revision: 1.32
Committed: Thu Nov 1 11:11:39 2007 UTC (16 years, 6 months ago) by root
Branch: MAIN
Changes since 1.31: +0 -2 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 TIMEOUT_NONE HUGE_VAL
8 #define EV_USE_EPOLL 1
9
10 #define EV_PROTOTYPES 1
11 #include "EV/EVAPI.h"
12
13 #include "libev/ev.c"
14
15 typedef int Signal;
16
17 static struct EVAPI evapi;
18
19 static HV
20 *stash_watcher,
21 *stash_io,
22 *stash_timer,
23 *stash_periodic,
24 *stash_signal,
25 *stash_idle,
26 *stash_prepare,
27 *stash_check,
28 *stash_child;
29
30 static int
31 sv_signum (SV *sig)
32 {
33 int signum;
34
35 SvGETMAGIC (sig);
36
37 for (signum = 1; signum < SIG_SIZE; ++signum)
38 if (strEQ (SvPV_nolen (sig), PL_sig_name [signum]))
39 return signum;
40
41 if (SvIV (sig) > 0)
42 return SvIV (sig);
43
44 return -1;
45 }
46
47 /////////////////////////////////////////////////////////////////////////////
48 // Event
49
50 static void e_cb (struct ev_watcher *w, int revents);
51
52 static int
53 sv_fileno (SV *fh)
54 {
55 SvGETMAGIC (fh);
56
57 if (SvROK (fh))
58 fh = SvRV (fh);
59
60 if (SvTYPE (fh) == SVt_PVGV)
61 return PerlIO_fileno (IoIFP (sv_2io (fh)));
62
63 if ((SvIV (fh) >= 0) && (SvIV (fh) < 0x7ffffff))
64 return SvIV (fh);
65
66 return -1;
67 }
68
69 static void *
70 e_new (int size, SV *cb_sv)
71 {
72 struct ev_watcher *w;
73 SV *self = NEWSV (0, size);
74 SvPOK_only (self);
75 SvCUR_set (self, size);
76
77 w = (struct ev_watcher *)SvPVX (self);
78
79 ev_watcher_init (w, e_cb);
80
81 w->fh = 0;
82 w->cb_sv = newSVsv (cb_sv);
83 w->self = self;
84
85 return (void *)w;
86 }
87
88 static SV *
89 e_bless (struct ev_watcher *w, HV *stash)
90 {
91 SV *rv;
92
93 if (SvOBJECT (w->self))
94 rv = newRV_inc (w->self);
95 else
96 {
97 rv = newRV_noinc (w->self);
98 sv_bless (rv, stash);
99 SvREADONLY_on (w->self);
100 }
101
102 return rv;
103 }
104
105 static void
106 e_cb (struct ev_watcher *w, int revents)
107 {
108 dSP;
109 I32 mark = SP - PL_stack_base;
110 SV *sv_self, *sv_events, *sv_status = 0;
111 static SV *sv_events_cache;
112
113 sv_self = newRV_inc (w->self); /* w->self MUST be blessed by now */
114
115 if (sv_events_cache)
116 {
117 sv_events = sv_events_cache; sv_events_cache = 0;
118 SvIV_set (sv_events, revents);
119 }
120 else
121 sv_events = newSViv (revents);
122
123 PUSHMARK (SP);
124 EXTEND (SP, 2);
125 PUSHs (sv_self);
126 PUSHs (sv_events);
127
128 if (revents & EV_CHILD)
129 XPUSHs (sv_status = newSViv (((struct ev_child *)w)->status));
130
131 PUTBACK;
132 call_sv (w->cb_sv, G_DISCARD | G_VOID | G_EVAL);
133 SP = PL_stack_base + mark; PUTBACK;
134
135 SvREFCNT_dec (sv_self);
136 SvREFCNT_dec (sv_status);
137
138 if (sv_events_cache)
139 SvREFCNT_dec (sv_events);
140 else
141 sv_events_cache = sv_events;
142
143 if (SvTRUE (ERRSV))
144 {
145 PUSHMARK (SP);
146 PUTBACK;
147 call_sv (get_sv ("EV::DIED", 1), G_DISCARD | G_VOID | G_EVAL | G_KEEPERR);
148 SP = PL_stack_base + mark; PUTBACK;
149 }
150 }
151
152 #if 0
153 /////////////////////////////////////////////////////////////////////////////
154 // DNS
155
156 static void
157 dns_cb (int result, char type, int count, int ttl, void *addresses, void *arg)
158 {
159 dSP;
160 SV *cb = (SV *)arg;
161
162 ENTER;
163 SAVETMPS;
164 PUSHMARK (SP);
165 EXTEND (SP, count + 3);
166 PUSHs (sv_2mortal (newSViv (result)));
167
168 if (result == DNS_ERR_NONE && ttl >= 0)
169 {
170 int i;
171
172 PUSHs (sv_2mortal (newSViv (type)));
173 PUSHs (sv_2mortal (newSViv (ttl)));
174
175 for (i = 0; i < count; ++i)
176 switch (type)
177 {
178 case DNS_IPv6_AAAA:
179 PUSHs (sv_2mortal (newSVpvn (i * 16 + (char *)addresses, 16)));
180 break;
181 case DNS_IPv4_A:
182 PUSHs (sv_2mortal (newSVpvn (i * 4 + (char *)addresses, 4)));
183 break;
184 case DNS_PTR:
185 PUSHs (sv_2mortal (newSVpv (*(char **)addresses, 0)));
186 break;
187 }
188 }
189
190 PUTBACK;
191 call_sv (sv_2mortal (cb), G_DISCARD | G_VOID | G_EVAL);
192
193 FREETMPS;
194
195 if (SvTRUE (ERRSV))
196 {
197 PUSHMARK (SP);
198 PUTBACK;
199 call_sv (get_sv ("EV::DIED", 1), G_DISCARD | G_VOID | G_EVAL | G_KEEPERR);
200 }
201
202 LEAVE;
203 }
204 #endif
205
206 #define CHECK_REPEAT(repeat) if (repeat < 0.) \
207 croak (# repeat " value must be >= 0");
208
209 #define CHECK_FD(fh,fd) if ((fd) < 0) \
210 croak ("illegal file descriptor or filehandle (either no attached file descriptor or illegal value): %s", SvPV_nolen (fh));
211
212 /////////////////////////////////////////////////////////////////////////////
213 // XS interface functions
214
215 MODULE = EV PACKAGE = EV PREFIX = ev_
216
217 PROTOTYPES: ENABLE
218
219 BOOT:
220 {
221 int i;
222 HV *stash = gv_stashpv ("EV", 1);
223
224 static const struct {
225 const char *name;
226 IV iv;
227 } *civ, const_iv[] = {
228 # define const_iv(pfx, name) { # name, (IV) pfx ## name },
229 const_iv (EV_, UNDEF)
230 const_iv (EV_, NONE)
231 const_iv (EV_, TIMEOUT)
232 const_iv (EV_, READ)
233 const_iv (EV_, WRITE)
234 const_iv (EV_, SIGNAL)
235 const_iv (EV_, IDLE)
236 const_iv (EV_, CHECK)
237 const_iv (EV_, ERROR)
238
239 const_iv (EV, LOOP_ONESHOT)
240 const_iv (EV, LOOP_NONBLOCK)
241
242 const_iv (EV, METHOD_NONE)
243 const_iv (EV, METHOD_SELECT)
244 const_iv (EV, METHOD_EPOLL)
245 };
246
247 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
248 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
249
250 stash_watcher = gv_stashpv ("EV::Watcher" , 1);
251 stash_io = gv_stashpv ("EV::Io" , 1);
252 stash_timer = gv_stashpv ("EV::Timer" , 1);
253 stash_periodic = gv_stashpv ("EV::Periodic", 1);
254 stash_signal = gv_stashpv ("EV::Signal" , 1);
255 stash_idle = gv_stashpv ("EV::Idle" , 1);
256 stash_prepare = gv_stashpv ("EV::Prepare" , 1);
257 stash_check = gv_stashpv ("EV::Check" , 1);
258 stash_child = gv_stashpv ("EV::Child" , 1);
259
260 {
261 SV *sv = perl_get_sv ("EV::API", TRUE);
262 perl_get_sv ("EV::API", TRUE); /* silence 5.10 warning */
263
264 /* the poor man's shared library emulator */
265 evapi.ver = EV_API_VERSION;
266 evapi.rev = EV_API_REVISION;
267 evapi.sv_fileno = sv_fileno;
268 evapi.sv_signum = sv_signum;
269 evapi.now = &ev_now;
270 evapi.method = &ev_method;
271 evapi.loop_done = &ev_loop_done;
272 evapi.time = ev_time;
273 evapi.loop = ev_loop;
274 evapi.once = ev_once;
275 evapi.io_start = ev_io_start;
276 evapi.io_stop = ev_io_stop;
277 evapi.timer_start = ev_timer_start;
278 evapi.timer_stop = ev_timer_stop;
279 evapi.timer_again = ev_timer_again;
280 evapi.periodic_start = ev_periodic_start;
281 evapi.periodic_stop = ev_periodic_stop;
282 evapi.signal_start = ev_signal_start;
283 evapi.signal_stop = ev_signal_stop;
284 evapi.idle_start = ev_idle_start;
285 evapi.idle_stop = ev_idle_stop;
286 evapi.prepare_start = ev_prepare_start;
287 evapi.prepare_stop = ev_prepare_stop;
288 evapi.check_start = ev_check_start;
289 evapi.check_stop = ev_check_stop;
290 evapi.child_start = ev_child_start;
291 evapi.child_stop = ev_child_stop;
292
293 sv_setiv (sv, (IV)&evapi);
294 SvREADONLY_on (sv);
295 }
296 }
297
298 NV ev_now ()
299 CODE:
300 RETVAL = ev_now;
301 OUTPUT:
302 RETVAL
303
304 int ev_method ()
305 CODE:
306 RETVAL = ev_method;
307 OUTPUT:
308 RETVAL
309
310 NV ev_time ()
311
312 void ev_init (int flags = 0)
313
314 void ev_loop (int flags = 0)
315
316 void ev_loop_done (int value = 1)
317 CODE:
318 ev_loop_done = value;
319
320 struct ev_io *io (SV *fh, int events, SV *cb)
321 ALIAS:
322 io_ns = 1
323 CODE:
324 {
325 int fd = sv_fileno (fh);
326 CHECK_FD (fh, fd);
327
328 RETVAL = e_new (sizeof (struct ev_io), cb);
329 RETVAL->fh = newSVsv (fh);
330 ev_io_set (RETVAL, fd, events);
331 if (!ix) ev_io_start (RETVAL);
332 }
333 OUTPUT:
334 RETVAL
335
336 struct ev_timer *timer (NV after, NV repeat, SV *cb)
337 ALIAS:
338 timer_ns = 1
339 INIT:
340 CHECK_REPEAT (repeat);
341 CODE:
342 RETVAL = e_new (sizeof (struct ev_timer), cb);
343 ev_timer_set (RETVAL, after, repeat);
344 if (!ix) ev_timer_start (RETVAL);
345 OUTPUT:
346 RETVAL
347
348 struct ev_periodic *periodic (NV at, NV interval, SV *cb)
349 ALIAS:
350 periodic_ns = 1
351 INIT:
352 CHECK_REPEAT (interval);
353 CODE:
354 RETVAL = e_new (sizeof (struct ev_periodic), cb);
355 ev_periodic_set (RETVAL, at, interval);
356 if (!ix) ev_periodic_start (RETVAL);
357 OUTPUT:
358 RETVAL
359
360 struct ev_signal *signal (Signal signum, SV *cb)
361 ALIAS:
362 signal_ns = 1
363 CODE:
364 RETVAL = e_new (sizeof (struct ev_signal), cb);
365 ev_signal_set (RETVAL, signum);
366 if (!ix) ev_signal_start (RETVAL);
367 OUTPUT:
368 RETVAL
369
370 struct ev_idle *idle (SV *cb)
371 ALIAS:
372 idle_ns = 1
373 CODE:
374 RETVAL = e_new (sizeof (struct ev_idle), cb);
375 ev_idle_set (RETVAL);
376 if (!ix) ev_idle_start (RETVAL);
377 OUTPUT:
378 RETVAL
379
380 struct ev_prepare *prepare (SV *cb)
381 ALIAS:
382 prepare_ns = 1
383 CODE:
384 RETVAL = e_new (sizeof (struct ev_prepare), cb);
385 ev_prepare_set (RETVAL);
386 if (!ix) ev_prepare_start (RETVAL);
387 OUTPUT:
388 RETVAL
389
390 struct ev_check *check (SV *cb)
391 ALIAS:
392 check_ns = 1
393 CODE:
394 RETVAL = e_new (sizeof (struct ev_check), cb);
395 ev_check_set (RETVAL);
396 if (!ix) ev_check_start (RETVAL);
397 OUTPUT:
398 RETVAL
399
400 struct ev_child *child (int pid, SV *cb)
401 ALIAS:
402 check_ns = 1
403 CODE:
404 RETVAL = e_new (sizeof (struct ev_check), cb);
405 ev_child_set (RETVAL, pid);
406 if (!ix) ev_child_start (RETVAL);
407 OUTPUT:
408 RETVAL
409
410
411 PROTOTYPES: DISABLE
412
413 MODULE = EV PACKAGE = EV::Watcher PREFIX = ev_
414
415 int ev_is_active (struct ev_watcher *w)
416
417 SV *cb (struct ev_watcher *w, SV *new_cb = 0)
418 CODE:
419 {
420 RETVAL = newSVsv (w->cb_sv);
421
422 if (items > 1)
423 sv_setsv (w->cb_sv, new_cb);
424 }
425 OUTPUT:
426 RETVAL
427
428 void trigger (struct ev_watcher *w, int revents = EV_NONE)
429 CODE:
430 w->cb (w, revents);
431
432 MODULE = EV PACKAGE = EV::Io PREFIX = ev_io_
433
434 void ev_io_start (struct ev_io *w)
435
436 void ev_io_stop (struct ev_io *w)
437
438 void DESTROY (struct ev_io *w)
439 CODE:
440 ev_io_stop (w);
441
442 void set (struct ev_io *w, SV *fh, int events)
443 CODE:
444 {
445 int active = w->active;
446 int fd = sv_fileno (fh);
447 CHECK_FD (fh, fd);
448
449 if (active) ev_io_stop (w);
450
451 sv_setsv (w->fh, fh);
452 ev_io_set (w, fd, events);
453
454 if (active) ev_io_start (w);
455 }
456
457 SV *fh (struct ev_io *w, SV *new_fh = 0)
458 CODE:
459 {
460 RETVAL = newSVsv (w->fh);
461
462 if (items > 1)
463 {
464 int active = w->active;
465 if (active) ev_io_stop (w);
466
467 sv_setsv (w->fh, new_fh);
468 ev_io_set (w, sv_fileno (w->fh), w->events);
469
470 if (active) ev_io_start (w);
471 }
472 }
473 OUTPUT:
474 RETVAL
475
476 short events (struct ev_io *w, short new_events = EV_UNDEF)
477 CODE:
478 {
479 RETVAL = w->events;
480
481 if (items > 1)
482 {
483 int active = w->active;
484 if (active) ev_io_stop (w);
485
486 ev_io_set (w, w->fd, new_events);
487
488 if (active) ev_io_start (w);
489 }
490 }
491 OUTPUT:
492 RETVAL
493
494 MODULE = EV PACKAGE = EV::Signal PREFIX = ev_signal_
495
496 void ev_signal_start (struct ev_signal *w)
497
498 void ev_signal_stop (struct ev_signal *w)
499
500 void DESTROY (struct ev_signal *w)
501 CODE:
502 ev_signal_stop (w);
503
504 void set (struct ev_signal *w, SV *signal = 0)
505 CODE:
506 {
507 Signal signum = sv_signum (signal); /* may croak here */
508 int active = w->active;
509
510 if (active) ev_signal_stop (w);
511 ev_signal_set (w, signum);
512 if (active) ev_signal_start (w);
513 }
514
515 MODULE = EV PACKAGE = EV::Time
516
517 MODULE = EV PACKAGE = EV::Timer PREFIX = ev_timer_
518
519 void ev_timer_start (struct ev_timer *w)
520 INIT:
521 CHECK_REPEAT (w->repeat);
522
523 void ev_timer_stop (struct ev_timer *w)
524
525 void ev_timer_again (struct ev_timer *w)
526 INIT:
527 CHECK_REPEAT (w->repeat);
528
529 void DESTROY (struct ev_timer *w)
530 CODE:
531 ev_timer_stop (w);
532
533 void set (struct ev_timer *w, NV after, NV repeat = 0.)
534 INIT:
535 CHECK_REPEAT (repeat);
536 CODE:
537 {
538 int active = w->active;
539 if (active) ev_timer_stop (w);
540 ev_timer_set (w, after, repeat);
541 if (active) ev_timer_start (w);
542 }
543
544 MODULE = EV PACKAGE = EV::Periodic PREFIX = ev_periodic_
545
546 void ev_periodic_start (struct ev_periodic *w)
547 INIT:
548 CHECK_REPEAT (w->interval);
549
550 void ev_periodic_stop (struct ev_periodic *w)
551
552 void DESTROY (struct ev_periodic *w)
553 CODE:
554 ev_periodic_stop (w);
555
556 void set (struct ev_periodic *w, NV at, NV interval = 0.)
557 INIT:
558 CHECK_REPEAT (interval);
559 CODE:
560 {
561 int active = w->active;
562 if (active) ev_periodic_stop (w);
563 ev_periodic_set (w, at, interval);
564 if (active) ev_periodic_start (w);
565 }
566
567 MODULE = EV PACKAGE = EV::Idle PREFIX = ev_idle_
568
569 void ev_idle_start (struct ev_idle *w)
570
571 void ev_idle_stop (struct ev_idle *w)
572
573 void DESTROY (struct ev_idle *w)
574 CODE:
575 ev_idle_stop (w);
576
577 MODULE = EV PACKAGE = EV::Prepare PREFIX = ev_check_
578
579 void ev_prepare_start (struct ev_prepare *w)
580
581 void ev_prepare_stop (struct ev_prepare *w)
582
583 void DESTROY (struct ev_prepare *w)
584 CODE:
585 ev_prepare_stop (w);
586
587 MODULE = EV PACKAGE = EV::Check PREFIX = ev_check_
588
589 void ev_check_start (struct ev_check *w)
590
591 void ev_check_stop (struct ev_check *w)
592
593 void DESTROY (struct ev_check *w)
594 CODE:
595 ev_check_stop (w);
596
597 MODULE = EV PACKAGE = EV::Child PREFIX = ev_child_
598
599 void ev_child_start (struct ev_child *w)
600
601 void ev_child_stop (struct ev_child *w)
602
603 void DESTROY (struct ev_child *w)
604 CODE:
605 ev_child_stop (w);
606
607 void set (struct ev_child *w, int pid)
608 CODE:
609 {
610 int active = w->active;
611 if (active) ev_child_stop (w);
612 ev_child_set (w, pid);
613 if (active) ev_child_start (w);
614 }
615
616 int status (struct ev_child *w)
617 CODE:
618 RETVAL = w->status;
619 OUTPUT:
620 RETVAL
621
622 #if 0
623
624 MODULE = EV PACKAGE = EV::DNS PREFIX = evdns_
625
626 BOOT:
627 {
628 HV *stash = gv_stashpv ("EV::DNS", 1);
629
630 static const struct {
631 const char *name;
632 IV iv;
633 } *civ, const_iv[] = {
634 # define const_iv(pfx, name) { # name, (IV) pfx ## name },
635 const_iv (DNS_, ERR_NONE)
636 const_iv (DNS_, ERR_FORMAT)
637 const_iv (DNS_, ERR_SERVERFAILED)
638 const_iv (DNS_, ERR_NOTEXIST)
639 const_iv (DNS_, ERR_NOTIMPL)
640 const_iv (DNS_, ERR_REFUSED)
641 const_iv (DNS_, ERR_TRUNCATED)
642 const_iv (DNS_, ERR_UNKNOWN)
643 const_iv (DNS_, ERR_TIMEOUT)
644 const_iv (DNS_, ERR_SHUTDOWN)
645 const_iv (DNS_, IPv4_A)
646 const_iv (DNS_, PTR)
647 const_iv (DNS_, IPv6_AAAA)
648 const_iv (DNS_, QUERY_NO_SEARCH)
649 const_iv (DNS_, OPTION_SEARCH)
650 const_iv (DNS_, OPTION_NAMESERVERS)
651 const_iv (DNS_, OPTION_MISC)
652 const_iv (DNS_, OPTIONS_ALL)
653 const_iv (DNS_, NO_SEARCH)
654 };
655
656 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
657 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
658 }
659
660 int evdns_init ()
661
662 void evdns_shutdown (int fail_requests = 1)
663
664 const char *evdns_err_to_string (int err)
665
666 int evdns_nameserver_add (U32 address)
667
668 int evdns_count_nameservers ()
669
670 int evdns_clear_nameservers_and_suspend ()
671
672 int evdns_resume ()
673
674 int evdns_nameserver_ip_add (char *ip_as_string)
675
676 int evdns_resolve_ipv4 (const char *name, int flags, SV *cb)
677 C_ARGS: name, flags, dns_cb, (void *)SvREFCNT_inc (cb)
678
679 int evdns_resolve_ipv6 (const char *name, int flags, SV *cb)
680 C_ARGS: name, flags, dns_cb, (void *)SvREFCNT_inc (cb)
681
682 int evdns_resolve_reverse (SV *addr, int flags, SV *cb)
683 ALIAS:
684 evdns_resolve_reverse_ipv6 = 1
685 CODE:
686 {
687 STRLEN len;
688 char *data = SvPVbyte (addr, len);
689 if (len != (ix ? 16 : 4))
690 croak ("ipv4/ipv6 address to be resolved must be given as 4/16 byte octet string");
691
692 RETVAL = ix
693 ? evdns_resolve_reverse_ipv6 ((struct in6_addr *)data, flags, dns_cb, (void *)SvREFCNT_inc (cb))
694 : evdns_resolve_reverse ((struct in_addr *)data, flags, dns_cb, (void *)SvREFCNT_inc (cb));
695 }
696 OUTPUT:
697 RETVAL
698
699 int evdns_set_option (char *option, char *val, int flags)
700
701 int evdns_resolv_conf_parse (int flags, const char *filename)
702
703 #ifdef MS_WINDOWS
704
705 int evdns_config_windows_nameservers ()
706
707 #endif
708
709 void evdns_search_clear ()
710
711 void evdns_search_add (char *domain)
712
713 void evdns_search_ndots_set (int ndots)
714
715
716 MODULE = EV PACKAGE = EV::HTTP PREFIX = evhttp_
717
718 BOOT:
719 {
720 HV *stash = gv_stashpv ("EV::HTTP", 1);
721
722 static const struct {
723 const char *name;
724 IV iv;
725 } *civ, const_iv[] = {
726 # define const_iv(pfx, name) { # name, (IV) pfx ## name },
727 const_iv (HTTP_, OK)
728 const_iv (HTTP_, NOCONTENT)
729 const_iv (HTTP_, MOVEPERM)
730 const_iv (HTTP_, MOVETEMP)
731 const_iv (HTTP_, NOTMODIFIED)
732 const_iv (HTTP_, BADREQUEST)
733 const_iv (HTTP_, NOTFOUND)
734 const_iv (HTTP_, SERVUNAVAIL)
735 const_iv (EVHTTP_, REQ_OWN_CONNECTION)
736 const_iv (EVHTTP_, PROXY_REQUEST)
737 const_iv (EVHTTP_, REQ_GET)
738 const_iv (EVHTTP_, REQ_POST)
739 const_iv (EVHTTP_, REQ_HEAD)
740 const_iv (EVHTTP_, REQUEST)
741 const_iv (EVHTTP_, RESPONSE)
742 };
743
744 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
745 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
746 }
747
748 MODULE = EV PACKAGE = EV::HTTP::Request PREFIX = evhttp_request_
749
750 #HttpRequest new (SV *klass, SV *cb)
751
752 #void DESTROY (struct evhttp_request *req);
753
754 #endif
755
756
757
758
759
760
761
762