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Comparing EV/EV.xs (file contents):
Revision 1.12 by root, Mon Oct 29 08:51:44 2007 UTC vs.
Revision 1.138 by root, Wed Apr 14 00:17:22 2010 UTC

1	#include "EXTERN.h"	1	#include "EXTERN.h"
2	#include "perl.h"	2	#include "perl.h"
3	#include "XSUB.h"	3	#include "XSUB.h"
4		4
5	#include <math.h>	5	/* fix perl api breakage */
6	#include <netinet/in.h>	6	#undef signal
		7	#undef sigaction
7		8
8	#include <sys/time.h>	9	#include "schmorp.h"
9	#include <time.h>
10	#include <event.h>
11	#include <evdns.h>
12		10
13	/* workaround for evhttp.h requiring obscure bsd headers */	11	/* old API compatibility */
14	#ifndef TAILQ_ENTRY	12	static int
15	#define TAILQ_ENTRY(type) \	13	sv_fileno (SV *fh)
16	struct { \	14	{
17	struct type *tqe_next; /* next element */ \	15	return s_fileno (fh, 0);
18	struct type **tqe_prev; /* address of previous next element */ \
19	}	16	}
20	#endif /* !TAILQ_ENTRY */
21	#include <evhttp.h>
22		17
23	#define EV_NONE 0	18	#define EV_STANDALONE 1
24	#define EV_UNDEF -1	19	#define EV_PROTOTYPES 1
25		20	#define EV_USE_NANOSLEEP EV_USE_MONOTONIC
26	#define TIMEOUT_NONE HUGE_VAL	21	#define EV_H <ev.h>
27		22	#define EV_CONFIG_H error
28	#include "EV/EVAPI.h"	23	#include "EV/EVAPI.h"
29		24
30	typedef struct event_base *Base;	25	#define EV_SELECT_IS_WINSOCKET 0
		26	#ifdef _WIN32
		27	# define EV_SELECT_USE_FD_SET 0
		28	# define NFDBITS PERL_NFDBITS
		29	# define fd_mask Perl_fd_mask
		30	#endif
		31	/* due to bugs in OS X we have to use libev/ explicitly here */
		32	#include "libev/ev.c"
		33
		34	#ifndef _WIN32
		35	# include <pthread.h>
		36	#endif
		37
		38	#define e_loop(w) INT2PTR (struct ev_loop *, SvIVX (((ev_watcher *)(w))->loop))
		39	#define e_flags(w) ((ev_watcher *)(w))->e_flags
		40	#define e_self(w) ((ev_watcher *)(w))->self
		41	#define e_fh(w) ((ev_watcher *)(w))->fh
		42	#define e_data(w) ((ev_watcher *)(w))->data
		43
		44	#define WFLAG_KEEPALIVE 1
		45	#define WFLAG_UNREFED 2 /* has been unref'ed */
		46
		47	#define UNREF(w) \
		48	if (!(e_flags (w) & (WFLAG_KEEPALIVE | WFLAG_UNREFED)) \
		49	&& ev_is_active (w)) \
		50	{ \
		51	ev_unref (e_loop (w)); \
		52	e_flags (w) |= WFLAG_UNREFED; \
		53	}
		54
		55	#define REF(w) \
		56	if (e_flags (w) & WFLAG_UNREFED) \
		57	{ \
		58	e_flags (w) &= ~WFLAG_UNREFED; \
		59	ev_ref (e_loop (w)); \
		60	}
		61
		62	#define START(type,w) \
		63	do { \
		64	ev_ ## type ## _start (e_loop (w), w); \
		65	UNREF (w); \
		66	} while (0)
		67
		68	#define STOP(type,w) \
		69	do { \
		70	REF (w); \
		71	ev_ ## type ## _stop (e_loop (w), w); \
		72	} while (0)
		73
		74	#define RESET(type,w,seta) \
		75	do { \
		76	int active = ev_is_active (w); \
		77	if (active) STOP (type, w); \
		78	ev_ ## type ## _set seta; \
		79	if (active) START (type, w); \
		80	} while (0)
		81
31	typedef int Signal;	82	typedef int Signal;
32		83
		84	/* horrible... */
		85	#define CHECK_SIGNAL_CAN_START(w) \
		86	do { \
		87	/* dive into the internals of libev to avoid aborting in libev */ \
		88	if (signals [(w)->signum - 1].loop \
		89	&& signals [(w)->signum - 1].loop != e_loop (w)) \
		90	croak ("unable to start signal watcher, signal %d already registered in another loop", w->signum); \
		91	} while (0)
		92
		93	#define START_SIGNAL(w) \
		94	do { \
		95	CHECK_SIGNAL_CAN_START (w); \
		96	START (signal, w); \
		97	} while (0) \
		98
		99	#define RESET_SIGNAL(w,seta) \
		100	do { \
		101	int active = ev_is_active (w); \
		102	if (active) STOP (signal, w); \
		103	ev_ ## signal ## _set seta; \
		104	if (active) START_SIGNAL (w); \
		105	} while (0)
		106
		107	static SV *default_loop_sv;
		108
33	static struct EVAPI evapi;	109	static struct EVAPI evapi;
34		110
35	static HV *stash_base, *stash_event;	111	static HV
		112	*stash_loop,
		113	*stash_watcher,
		114	*stash_io,
		115	*stash_timer,
		116	*stash_periodic,
		117	*stash_signal,
		118	*stash_child,
		119	*stash_stat,
		120	*stash_idle,
		121	*stash_prepare,
		122	*stash_check,
		123	*stash_embed,
		124	*stash_fork,
		125	*stash_async;
36		126
37	static double tv_get (struct timeval *tv)	127	/////////////////////////////////////////////////////////////////////////////
38	{	128	// Event
39	return tv->tv_sec + tv->tv_usec * 1e-6;
40	}
41		129
42	static void tv_set (struct timeval *tv, double val)	130	static void e_cb (EV_P_ ev_watcher *w, int revents);
43	{
44	tv->tv_sec = (long)val;
45	tv->tv_usec = (long)((val - (double)tv->tv_sec) * 1e6);
46		131
47	}	132	void *
48		133	e_new (int size, SV *cb_sv, SV *loop)
49	static int
50	sv_signum (SV *sig)
51	{	134	{
52	int signum;	135	SV *cv = cb_sv ? s_get_cv_croak (cb_sv) : 0;
		136	ev_watcher *w;
		137	SV *self = NEWSV (0, size);
		138	SvPOK_only (self);
		139	SvCUR_set (self, size);
53		140
54	if (SvIV (sig) > 0)	141	w = (ev_watcher *)SvPVX (self);
55	return SvIV (sig);
56		142
57	for (signum = 1; signum < SIG_SIZE; ++signum)	143	ev_init (w, cv ? e_cb : 0);
58	if (strEQ (SvPV_nolen (sig), PL_sig_name [signum]))
59	return signum;
60		144
61	return -1;	145	w->loop = SvREFCNT_inc (SvRV (loop));
		146	w->e_flags = WFLAG_KEEPALIVE;
		147	w->data = 0;
		148	w->fh = 0;
		149	w->cb_sv = SvREFCNT_inc (cv);
		150	w->self = self;
		151
		152	return (void *)w;
62	}	153	}
63		154
64	static void	155	static void
65	api_once (int fd, short events, double timeout, void (*cb)(int, short, void *), void *arg)	156	e_destroy (void *w_)
66	{	157	{
67	if (timeout >= 0.)	158	ev_watcher *w = (ev_watcher *)w_;
		159
		160	SvREFCNT_dec (w->loop ); w->loop = 0;
		161	SvREFCNT_dec (w->fh ); w->fh = 0;
		162	SvREFCNT_dec (w->cb_sv); w->cb_sv = 0;
		163	SvREFCNT_dec (w->data ); w->data = 0;
		164	}
		165
		166	static SV *
		167	e_bless (ev_watcher *w, HV *stash)
		168	{
		169	SV *rv;
		170
		171	if (SvOBJECT (w->self))
		172	rv = newRV_inc (w->self);
		173	else
68	{	174	{
69	struct timeval tv;	175	rv = newRV_noinc (w->self);
70	tv_set (&tv, timeout);	176	sv_bless (rv, stash);
71	event_once (fd, events, cb, arg, &tv);	177	SvREADONLY_on (w->self);
		178	}
		179
		180	return rv;
		181	}
		182
		183	static SV *sv_self_cache, *sv_events_cache;
		184
		185	static void
		186	e_cb (EV_P_ ev_watcher *w, int revents)
		187	{
		188	dSP;
		189	I32 mark = SP - PL_stack_base;
		190	SV *sv_self, *sv_events;
		191
		192	/* libev might have stopped the watcher */
		193	if (expect_false (w->e_flags & WFLAG_UNREFED)
		194	&& !ev_is_active (w))
		195	REF (w);
		196
		197	if (expect_true (sv_self_cache))
		198	{
		199	sv_self = sv_self_cache; sv_self_cache = 0;
		200	SvRV_set (sv_self, SvREFCNT_inc_NN (w->self));
72	}	201	}
73	else	202	else
74	event_once (fd, events, cb, arg, 0);
75	}
76
77	/////////////////////////////////////////////////////////////////////////////
78	// Event
79
80	typedef struct ev {
81	struct event ev;
82	SV *cb, *fh;
83	SV *self; /* contains this struct */
84	double timeout;
85	double interval;
86	unsigned char active;
87	unsigned char abstime;
88	} *Event;
89
90	static double
91	e_now (void)
92	{
93	struct timeval tv;
94	gettimeofday (&tv, 0);
95
96	return tv_get (&tv);
97	}
98
99	static void e_cb (int fd, short events, void *arg);
100
101	static int sv_fileno (SV *fh)
102	{
103	SvGETMAGIC (fh);
104
105	if (SvROK (fh))
106	fh = SvRV (fh);
107
108	if (SvTYPE (fh) == SVt_PVGV)
109	return PerlIO_fileno (IoIFP (sv_2io (fh)));
110
111	if (SvIOK (fh))
112	return SvIV (fh);
113
114	return -1;
115	}
116
117	static Event
118	e_new (SV *fh, short events, SV *cb)
119	{
120	int fd = sv_fileno (fh);
121	Event ev;
122	SV *self = NEWSV (0, sizeof (struct ev));
123	SvPOK_only (self);
124	SvCUR_set (self, sizeof (struct ev));
125
126	ev = (Event)SvPVX (self);
127
128	ev->fh = newSVsv (fh);
129	ev->cb = newSVsv (cb);
130	ev->self = self;
131	ev->timeout = TIMEOUT_NONE;
132	ev->interval = 0.;
133	ev->abstime = 0;
134	ev->active = 0;
135
136	event_set (&ev->ev, fd, events, e_cb, (void *)ev);
137
138	return ev;
139	}
140
141	static struct timeval *
142	e_tv (Event ev)
143	{
144	static struct timeval tv;
145	double to = ev->timeout;
146
147	if (to == TIMEOUT_NONE)
148	return 0;
149
150	if (ev->abstime)
151	{	203	{
152	double now = e_now ();	204	sv_self = newRV_inc (w->self); /* e_self (w) MUST be blessed by now */
153		205	SvREADONLY_on (sv_self);
154	if (ev->interval)
155	ev->timeout = (to += ceil ((now - to) / ev->interval) * ev->interval);
156
157	to -= now;
158	}	206	}
159	else if (to < 0.)
160	to = 0.;
161		207
162	tv_set (&tv, to);	208	if (expect_true (sv_events_cache))
163		209	{
164	return &tv;	210	sv_events = sv_events_cache; sv_events_cache = 0;
165	}	211	SvIV_set (sv_events, revents);
166		212	}
167	static SV *e_self (Event ev)
168	{
169	SV *rv;
170
171	if (SvOBJECT (ev->self))
172	rv = newRV_inc (ev->self);
173	else	213	else
174	{	214	{
175	rv = newRV_noinc (ev->self);	215	sv_events = newSViv (revents);
176	sv_bless (rv, stash_event);
177	SvREADONLY_on (ev->self);	216	SvREADONLY_on (sv_events);
178	}	217	}
179		218
180	return rv;	219	PUSHMARK (SP);
181	}	220	EXTEND (SP, 2);
		221	PUSHs (sv_self);
		222	PUSHs (sv_events);
182		223
183	static int	224	PUTBACK;
184	e_start (Event ev)	225	call_sv (w->cb_sv, G_DISCARD | G_VOID | G_EVAL);
185	{
186	if (ev->active) event_del (&ev->ev);
187	ev->active = 1;
188	return event_add (&ev->ev, e_tv (ev));
189	}
190		226
191	static int e_stop (Event ev)	227	if (expect_false (SvREFCNT (sv_self) != 1 || sv_self_cache))
192	{	228	SvREFCNT_dec (sv_self);
193	return ev->active	229	else
194	? (ev->active = 0), event_del (&ev->ev)	230	{
195	: 0;	231	SvREFCNT_dec (SvRV (sv_self));
		232	SvRV_set (sv_self, &PL_sv_undef);
		233	sv_self_cache = sv_self;
		234	}
		235
		236	if (expect_false (SvREFCNT (sv_events) != 1 || sv_events_cache))
		237	SvREFCNT_dec (sv_events);
		238	else
		239	sv_events_cache = sv_events;
		240
		241	if (expect_false (SvTRUE (ERRSV)))
		242	{
		243	SPAGAIN;
		244	PUSHMARK (SP);
		245	PUTBACK;
		246	call_sv (get_sv ("EV::DIED", 1), G_DISCARD | G_VOID | G_EVAL | G_KEEPERR);
		247	}
		248
		249	SP = PL_stack_base + mark;
		250	PUTBACK;
196	}	251	}
197		252
198	static void	253	static void
199	e_cb (int fd, short events, void *arg)	254	e_once_cb (int revents, void *arg)
200	{	255	{
201	struct ev *ev = (struct ev*)arg;	256	dSP;
		257	I32 mark = SP - PL_stack_base;
		258	SV *sv_events;
		259
		260	if (sv_events_cache)
		261	{
		262	sv_events = sv_events_cache; sv_events_cache = 0;
		263	SvIV_set (sv_events, revents);
		264	}
		265	else
		266	sv_events = newSViv (revents);
		267
		268	PUSHMARK (SP);
		269	XPUSHs (sv_events);
		270
		271	PUTBACK;
		272	call_sv ((SV *)arg, G_DISCARD | G_VOID | G_EVAL);
		273
		274	SvREFCNT_dec ((SV *)arg);
		275
		276	if (sv_events_cache)
		277	SvREFCNT_dec (sv_events);
		278	else
		279	sv_events_cache = sv_events;
		280
		281	if (SvTRUE (ERRSV))
		282	{
		283	SPAGAIN;
		284	PUSHMARK (SP);
		285	PUTBACK;
		286	call_sv (get_sv ("EV::DIED", 1), G_DISCARD | G_VOID | G_EVAL | G_KEEPERR);
		287	}
		288
		289	SP = PL_stack_base + mark;
		290	PUTBACK;
		291	}
		292
		293	static ev_tstamp
		294	e_periodic_cb (ev_periodic *w, ev_tstamp now)
		295	{
		296	ev_tstamp retval;
		297	int count;
202	dSP;	298	dSP;
203		299
204	ENTER;	300	ENTER;
205	SAVETMPS;	301	SAVETMPS;
206		302
207	if (!(ev->ev.ev_events & EV_PERSIST) || (events & EV_TIMEOUT))
208	ev->active = 0;
209
210	PUSHMARK (SP);	303	PUSHMARK (SP);
211	EXTEND (SP, 2);	304	EXTEND (SP, 2);
212	PUSHs (sv_2mortal (e_self (ev)));	305	PUSHs (newRV_inc (e_self (w))); /* e_self (w) MUST be blessed by now */
213	PUSHs (sv_2mortal (newSViv (events)));	306	PUSHs (newSVnv (now));
		307
214	PUTBACK;	308	PUTBACK;
215	call_sv (ev->cb, G_DISCARD | G_VOID | G_EVAL);	309	count = call_sv (w->fh, G_SCALAR | G_EVAL);
216		310	SPAGAIN;
217	if (ev->interval && !ev->active)
218	e_start (ev);
219
220	FREETMPS;
221		311
222	if (SvTRUE (ERRSV))	312	if (SvTRUE (ERRSV))
223	{	313	{
224	PUSHMARK (SP);	314	PUSHMARK (SP);
225	PUTBACK;	315	PUTBACK;
226	call_sv (get_sv ("EV::DIED", 1), G_DISCARD | G_VOID | G_EVAL | G_KEEPERR);	316	call_sv (get_sv ("EV::DIED", 1), G_DISCARD | G_VOID | G_EVAL | G_KEEPERR);
		317	SPAGAIN;
227	}	318	}
228		319
		320	if (count > 0)
		321	{
		322	retval = SvNV (TOPs);
		323
		324	if (retval < now)
		325	retval = now;
		326	}
		327	else
		328	retval = now;
		329
		330	FREETMPS;
229	LEAVE;	331	LEAVE;
230	}
231		332
232	/////////////////////////////////////////////////////////////////////////////	333	return retval;
233	// DNS
234
235	static void
236	dns_cb (int result, char type, int count, int ttl, void *addresses, void *arg)
237	{
238	dSP;
239	SV *cb = (SV *)arg;
240
241	ENTER;
242	SAVETMPS;
243	PUSHMARK (SP);
244	EXTEND (SP, count + 3);
245	PUSHs (sv_2mortal (newSViv (result)));
246
247	if (result == DNS_ERR_NONE && ttl >= 0)
248	{
249	int i;
250
251	PUSHs (sv_2mortal (newSViv (type)));
252	PUSHs (sv_2mortal (newSViv (ttl)));
253
254	for (i = 0; i < count; ++i)
255	switch (type)
256	{
257	case DNS_IPv6_AAAA:
258	PUSHs (sv_2mortal (newSVpvn (i * 16 + (char *)addresses, 16)));
259	break;
260	case DNS_IPv4_A:
261	PUSHs (sv_2mortal (newSVpvn (i * 4 + (char *)addresses, 4)));
262	break;
263	case DNS_PTR:
264	PUSHs (sv_2mortal (newSVpv (*(char **)addresses, 0)));
265	break;
266	}
267	}
268
269	PUTBACK;
270	call_sv (sv_2mortal (cb), G_DISCARD | G_VOID | G_EVAL);
271
272	FREETMPS;
273
274	if (SvTRUE (ERRSV))
275	{
276	PUSHMARK (SP);
277	PUTBACK;
278	call_sv (get_sv ("EV::DIED", 1), G_DISCARD | G_VOID | G_EVAL | G_KEEPERR);
279	}
280
281	LEAVE;
282	}	334	}
		335
		336	#define CHECK_REPEAT(repeat) if (repeat < 0.) \
		337	croak (# repeat " value must be >= 0");
		338
		339	#define CHECK_FD(fh,fd) if ((fd) < 0) \
		340	croak ("illegal file descriptor or filehandle (either no attached file descriptor or illegal value): %s", SvPV_nolen (fh));
		341
		342	#define CHECK_SIG(sv,num) if ((num) < 0) \
		343	croak ("illegal signal number or name: %s", SvPV_nolen (sv));
283		344
284	/////////////////////////////////////////////////////////////////////////////	345	/////////////////////////////////////////////////////////////////////////////
285	// XS interface functions	346	// XS interface functions
286		347
287	MODULE = EV PACKAGE = EV PREFIX = event_	348	MODULE = EV PACKAGE = EV PREFIX = ev_
		349
		350	PROTOTYPES: ENABLE
288		351
289	BOOT:	352	BOOT:
290	{	353	{
291	int i;
292	HV *stash = gv_stashpv ("EV", 1);	354	HV *stash = gv_stashpv ("EV", 1);
293		355
294	static const struct {	356	static const struct {
295	const char *name;	357	const char *name;
296	IV iv;	358	IV iv;
297	} *civ, const_iv[] = {	359	} *civ, const_iv[] = {
298	# define const_iv(pfx, name) { # name, (IV) pfx ## name },	360	# define const_iv(pfx, name) { # name, (IV) pfx ## name },
		361	const_iv (EV_, MINPRI)
		362	const_iv (EV_, MAXPRI)
		363
		364	const_iv (EV_, UNDEF)
299	const_iv (EV_, NONE)	365	const_iv (EV_, NONE)
300	const_iv (EV_, TIMEOUT)
301	const_iv (EV_, READ)	366	const_iv (EV_, READ)
302	const_iv (EV_, WRITE)	367	const_iv (EV_, WRITE)
		368	const_iv (EV_, IO)
		369	const_iv (EV_, TIMEOUT) /* deprecated */
		370	const_iv (EV_, TIMER)
		371	const_iv (EV_, PERIODIC)
303	const_iv (EV_, SIGNAL)	372	const_iv (EV_, SIGNAL)
		373	const_iv (EV_, CHILD)
304	const_iv (EV_, PERSIST)	374	const_iv (EV_, STAT)
305	const_iv (EV, LOOP_ONCE)	375	const_iv (EV_, IDLE)
		376	const_iv (EV_, PREPARE)
		377	const_iv (EV_, CHECK)
		378	const_iv (EV_, EMBED)
		379	const_iv (EV_, FORK)
		380	const_iv (EV_, ASYNC)
		381	const_iv (EV_, CUSTOM)
		382	const_iv (EV_, ERROR)
		383
306	const_iv (EV, LOOP_NONBLOCK)	384	const_iv (EV, LOOP_NONBLOCK)
307	const_iv (EV, BUFFER_READ)	385	const_iv (EV, LOOP_ONESHOT)
308	const_iv (EV, BUFFER_WRITE)	386
		387	const_iv (EV, UNLOOP_CANCEL)
		388	const_iv (EV, UNLOOP_ONE)
		389	const_iv (EV, UNLOOP_ALL)
		390
		391	const_iv (EV, BACKEND_SELECT)
		392	const_iv (EV, BACKEND_POLL)
309	const_iv (EV, BUFFER_EOF)	393	const_iv (EV, BACKEND_EPOLL)
		394	const_iv (EV, BACKEND_KQUEUE)
		395	const_iv (EV, BACKEND_DEVPOLL)
310	const_iv (EV, BUFFER_ERROR)	396	const_iv (EV, BACKEND_PORT)
		397	const_iv (EV, BACKEND_ALL)
311	const_iv (EV, BUFFER_TIMEOUT)	398	const_iv (EV, FLAG_AUTO)
		399	const_iv (EV, FLAG_FORKCHECK)
		400	const_iv (EV, FLAG_SIGNALFD)
		401	const_iv (EV, FLAG_NOENV)
		402	const_iv (EV, FLAG_NOSIGFD) /* compatibility, always 0 */
		403	const_iv (EV, FLAG_NOINOTIFY)
		404
		405	const_iv (EV_, VERSION_MAJOR)
		406	const_iv (EV_, VERSION_MINOR)
312	};	407	};
313		408
314	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	409	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
315	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	410	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
316		411
		412	stash_loop = gv_stashpv ("EV::Loop" , 1);
317	stash_base = gv_stashpv ("EV::Base" , 1);	413	stash_watcher = gv_stashpv ("EV::Watcher" , 1);
		414	stash_io = gv_stashpv ("EV::IO" , 1);
		415	stash_timer = gv_stashpv ("EV::Timer" , 1);
		416	stash_periodic = gv_stashpv ("EV::Periodic", 1);
		417	stash_signal = gv_stashpv ("EV::Signal" , 1);
		418	stash_idle = gv_stashpv ("EV::Idle" , 1);
		419	stash_prepare = gv_stashpv ("EV::Prepare" , 1);
		420	stash_check = gv_stashpv ("EV::Check" , 1);
		421	stash_child = gv_stashpv ("EV::Child" , 1);
318	stash_event = gv_stashpv ("EV::Event", 1);	422	stash_embed = gv_stashpv ("EV::Embed" , 1);
		423	stash_stat = gv_stashpv ("EV::Stat" , 1);
		424	stash_fork = gv_stashpv ("EV::Fork" , 1);
		425	stash_async = gv_stashpv ("EV::Async" , 1);
319		426
320	{	427	{
321	SV *sv = perl_get_sv ("EV::API", TRUE);	428	SV *sv = perl_get_sv ("EV::API", TRUE);
322	perl_get_sv ("EV::API", TRUE); /* silence 5.10 warning */	429	perl_get_sv ("EV::API", TRUE); /* silence 5.10 warning */
323		430
		431	/* the poor man's shared library emulator */
324	evapi.ver = EV_API_VERSION;	432	evapi.ver = EV_API_VERSION;
325	evapi.rev = EV_API_REVISION;	433	evapi.rev = EV_API_REVISION;
326	evapi.now = e_now;	434	evapi.sv_fileno = sv_fileno;
327	evapi.once = api_once;	435	evapi.sv_signum = s_signum;
		436	evapi.supported_backends = ev_supported_backends ();
		437	evapi.recommended_backends = ev_recommended_backends ();
		438	evapi.embeddable_backends = ev_embeddable_backends ();
		439	evapi.time_ = ev_time;
		440	evapi.sleep_ = ev_sleep;
		441	evapi.loop_new = ev_loop_new;
		442	evapi.loop_destroy = ev_loop_destroy;
		443	evapi.loop_fork = ev_loop_fork;
		444	evapi.iteration = ev_iteration;
		445	evapi.depth = ev_depth;
		446	evapi.set_userdata = ev_set_userdata;
		447	evapi.userdata = ev_userdata;
		448	evapi.now = ev_now;
		449	evapi.now_update = ev_now_update;
		450	evapi.suspend = ev_suspend;
		451	evapi.resume = ev_resume;
		452	evapi.backend = ev_backend;
		453	evapi.unloop = ev_unloop;
		454	evapi.invoke_pending = ev_invoke_pending;
		455	evapi.pending_count = ev_pending_count;
		456	evapi.verify = ev_verify;
		457	evapi.set_loop_release_cb = ev_set_loop_release_cb;
		458	evapi.set_invoke_pending_cb= ev_set_invoke_pending_cb;
		459	evapi.ref = ev_ref;
		460	evapi.unref = ev_unref;
		461	evapi.loop = ev_loop;
		462	evapi.once = ev_once;
		463	evapi.io_start = ev_io_start;
		464	evapi.io_stop = ev_io_stop;
		465	evapi.timer_start = ev_timer_start;
		466	evapi.timer_stop = ev_timer_stop;
		467	evapi.timer_again = ev_timer_again;
		468	evapi.timer_remaining = ev_timer_remaining;
		469	evapi.periodic_start = ev_periodic_start;
		470	evapi.periodic_stop = ev_periodic_stop;
		471	evapi.signal_start = ev_signal_start;
		472	evapi.signal_stop = ev_signal_stop;
		473	evapi.idle_start = ev_idle_start;
		474	evapi.idle_stop = ev_idle_stop;
		475	evapi.prepare_start = ev_prepare_start;
		476	evapi.prepare_stop = ev_prepare_stop;
		477	evapi.check_start = ev_check_start;
		478	evapi.check_stop = ev_check_stop;
		479	evapi.child_start = ev_child_start;
		480	evapi.child_stop = ev_child_stop;
		481	evapi.stat_start = ev_stat_start;
		482	evapi.stat_stop = ev_stat_stop;
		483	evapi.stat_stat = ev_stat_stat;
		484	evapi.embed_start = ev_embed_start;
		485	evapi.embed_stop = ev_embed_stop;
		486	evapi.embed_sweep = ev_embed_sweep;
		487	evapi.fork_start = ev_fork_start;
		488	evapi.fork_stop = ev_fork_stop;
		489	evapi.async_start = ev_async_start;
		490	evapi.async_stop = ev_async_stop;
		491	evapi.async_send = ev_async_send;
		492	evapi.clear_pending = ev_clear_pending;
		493	evapi.invoke = ev_invoke;
328		494
329	sv_setiv (sv, (IV)&evapi);	495	sv_setiv (sv, (IV)&evapi);
330	SvREADONLY_on (sv);	496	SvREADONLY_on (sv);
331	}	497	}
		498	#ifndef _WIN32
		499	pthread_atfork (0, 0, ev_default_fork);
		500	#endif
332	}	501	}
333		502
334	double now ()	503	SV *ev_default_loop (unsigned int flags = 0)
335	CODE:	504	CODE:
336	RETVAL = e_now ();	505	{
337	OUTPUT:	506	if (!default_loop_sv)
338	RETVAL	507	{
		508	evapi.default_loop = ev_default_loop (flags);
339		509
340	const char *version ()	510	if (!evapi.default_loop)
341	ALIAS:	511	XSRETURN_UNDEF;
342	method = 1
343	CODE:
344	RETVAL = ix ? event_get_method () : event_get_version ();
345	OUTPUT:
346	RETVAL
347		512
348	Base event_init ()	513	default_loop_sv = sv_bless (newRV_noinc (newSViv (PTR2IV (evapi.default_loop))), stash_loop);
		514	}
349		515
350	int event_priority_init (int npri)	516	RETVAL = newSVsv (default_loop_sv);
		517	}
		518	OUTPUT:
		519	RETVAL
351		520
352	int event_dispatch ()	521	void ev_default_destroy ()
		522	CODE:
		523	ev_default_destroy ();
		524	SvREFCNT_dec (default_loop_sv);
		525	default_loop_sv = 0;
353		526
		527	unsigned int ev_supported_backends ()
		528
		529	unsigned int ev_recommended_backends ()
		530
		531	unsigned int ev_embeddable_backends ()
		532
		533	void ev_sleep (NV interval)
		534
		535	NV ev_time ()
		536
		537	NV ev_now ()
		538	C_ARGS: evapi.default_loop
		539
		540	void ev_now_update ()
		541	C_ARGS: evapi.default_loop
		542
		543	void ev_suspend ()
		544	C_ARGS: evapi.default_loop
		545
		546	void ev_resume ()
		547	C_ARGS: evapi.default_loop
		548
		549	unsigned int ev_backend ()
		550	C_ARGS: evapi.default_loop
		551
		552	void ev_verify ()
		553	C_ARGS: evapi.default_loop
		554
		555	unsigned int ev_iteration ()
		556	C_ARGS: evapi.default_loop
		557
		558	unsigned int ev_depth ()
		559	C_ARGS: evapi.default_loop
		560
		561	void ev_set_io_collect_interval (NV interval)
		562	C_ARGS: evapi.default_loop, interval
		563
		564	void ev_set_timeout_collect_interval (NV interval)
		565	C_ARGS: evapi.default_loop, interval
		566
354	int event_loop (int flags = 0)	567	void ev_loop (int flags = 0)
		568	C_ARGS: evapi.default_loop, flags
355		569
356	int event_loopexit (double after = 0)	570	void ev_unloop (int how = EVUNLOOP_ONE)
357	CODE:	571	C_ARGS: evapi.default_loop, how
358	{
359	struct timeval tv;
360	tv_set (&tv, after);
361	event_loopexit (&tv);
362	}
363		572
364	Event event (SV *cb)	573	void ev_feed_fd_event (int fd, int revents = EV_NONE)
365	CODE:	574	C_ARGS: evapi.default_loop, fd, revents
366	RETVAL = e_new (NEWSV (0, 0), 0, cb);
367	OUTPUT:
368	RETVAL
369		575
		576	void ev_feed_signal_event (SV *signal)
		577	CODE:
		578	{
		579	Signal signum = s_signum (signal);
		580	CHECK_SIG (signal, signum);
		581
		582	ev_feed_signal_event (evapi.default_loop, signum);
		583	}
		584
		585	unsigned int ev_pending_count ()
		586	C_ARGS: evapi.default_loop
		587
		588	void ev_invoke_pending ()
		589	C_ARGS: evapi.default_loop
		590
370	Event io (SV *fh, short events, SV *cb)	591	ev_io *io (SV *fh, int events, SV *cb)
371	ALIAS:	592	ALIAS:
372	io_ns = 1	593	io_ns = 1
		594	_ae_io = 2
373	CODE:	595	CODE:
374	RETVAL = e_new (fh, events, cb);
375	if (!ix) e_start (RETVAL);
376	OUTPUT:
377	RETVAL
378
379	Event timed_io (SV *fh, short events, double timeout, SV *cb)
380	ALIAS:
381	timed_io_ns = 1
382	CODE:
383	{	596	{
384	events = timeout ? events & ~EV_PERSIST : events | EV_PERSIST;	597	int fd = s_fileno (fh, events & EV_WRITE);
		598	CHECK_FD (fh, fd);
385		599
386	RETVAL = e_new (fh, events, cb);	600	if (ix == 2)
387		601	{
388	if (timeout)	602	ix = 0;
389	{	603	events = events ? EV_WRITE : EV_READ;
390	RETVAL->timeout = timeout;
391	RETVAL->interval = 1;
392	}	604	}
393		605
		606	RETVAL = e_new (sizeof (ev_io), cb, default_loop_sv);
		607	e_fh (RETVAL) = newSVsv (fh);
		608	ev_io_set (RETVAL, fd, events);
394	if (!ix) e_start (RETVAL);	609	if (!ix) START (io, RETVAL);
395	}	610	}
396	OUTPUT:	611	OUTPUT:
397	RETVAL	612	RETVAL
398		613
399	Event timer (double after, int repeat, SV *cb)	614	ev_timer *timer (NV after, NV repeat, SV *cb)
400	ALIAS:	615	ALIAS:
401	timer_ns = 1	616	timer_ns = 1
		617	INIT:
		618	CHECK_REPEAT (repeat);
402	CODE:	619	CODE:
403	RETVAL = e_new (NEWSV (0, 0), 0, cb);	620	RETVAL = e_new (sizeof (ev_timer), cb, default_loop_sv);
404	RETVAL->timeout = after;	621	ev_timer_set (RETVAL, after, repeat);
405	RETVAL->interval = repeat;	622	if (!ix) START (timer, RETVAL);
406	if (!ix) e_start (RETVAL);
407	OUTPUT:	623	OUTPUT:
408	RETVAL	624	RETVAL
409		625
410	Event timer_abs (double at, double interval, SV *cb)	626	SV *periodic (NV at, NV interval, SV *reschedule_cb, SV *cb)
411	ALIAS:	627	ALIAS:
412	timer_abs_ns = 1	628	periodic_ns = 1
		629	INIT:
		630	CHECK_REPEAT (interval);
413	CODE:	631	CODE:
414	RETVAL = e_new (NEWSV (0, 0), 0, cb);	632	{
415	RETVAL->timeout = at;	633	ev_periodic *w;
416	RETVAL->interval = interval;	634	w = e_new (sizeof (ev_periodic), cb, default_loop_sv);
417	RETVAL->abstime = 1;	635	e_fh (w) = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
418	if (!ix) e_start (RETVAL);	636	ev_periodic_set (w, at, interval, e_fh (w) ? e_periodic_cb : 0);
		637	RETVAL = e_bless ((ev_watcher *)w, stash_periodic);
		638	if (!ix) START (periodic, w);
		639	}
419	OUTPUT:	640	OUTPUT:
420	RETVAL	641	RETVAL
421		642
422	Event signal (Signal signum, SV *cb)	643	ev_signal *signal (SV *signal, SV *cb)
423	ALIAS:	644	ALIAS:
424	signal_ns = 1	645	signal_ns = 1
425	CODE:	646	CODE:
426	RETVAL = e_new (ST (0), EV_SIGNAL | EV_PERSIST, cb);	647	{
427	RETVAL->ev.ev_fd = signum;	648	Signal signum = s_signum (signal);
		649	CHECK_SIG (signal, signum);
		650
		651	RETVAL = e_new (sizeof (ev_signal), cb, default_loop_sv);
		652	ev_signal_set (RETVAL, signum);
		653	if (!ix) START_SIGNAL (RETVAL);
		654	}
		655	OUTPUT:
		656	RETVAL
		657
		658	ev_idle *idle (SV *cb)
		659	ALIAS:
		660	idle_ns = 1
		661	CODE:
		662	RETVAL = e_new (sizeof (ev_idle), cb, default_loop_sv);
		663	ev_idle_set (RETVAL);
		664	if (!ix) START (idle, RETVAL);
		665	OUTPUT:
		666	RETVAL
		667
		668	ev_prepare *prepare (SV *cb)
		669	ALIAS:
		670	prepare_ns = 1
		671	CODE:
		672	RETVAL = e_new (sizeof (ev_prepare), cb, default_loop_sv);
		673	ev_prepare_set (RETVAL);
		674	if (!ix) START (prepare, RETVAL);
		675	OUTPUT:
		676	RETVAL
		677
		678	ev_check *check (SV *cb)
		679	ALIAS:
		680	check_ns = 1
		681	CODE:
		682	RETVAL = e_new (sizeof (ev_check), cb, default_loop_sv);
		683	ev_check_set (RETVAL);
		684	if (!ix) START (check, RETVAL);
		685	OUTPUT:
		686	RETVAL
		687
		688	ev_fork *fork (SV *cb)
		689	ALIAS:
		690	fork_ns = 1
		691	CODE:
		692	RETVAL = e_new (sizeof (ev_fork), cb, default_loop_sv);
		693	ev_fork_set (RETVAL);
		694	if (!ix) START (fork, RETVAL);
		695	OUTPUT:
		696	RETVAL
		697
		698	ev_child *child (int pid, int trace, SV *cb)
		699	ALIAS:
		700	child_ns = 1
		701	CODE:
		702	RETVAL = e_new (sizeof (ev_child), cb, default_loop_sv);
		703	ev_child_set (RETVAL, pid, trace);
		704	if (!ix) START (child, RETVAL);
		705	OUTPUT:
		706	RETVAL
		707
		708	ev_stat *stat (SV *path, NV interval, SV *cb)
		709	ALIAS:
		710	stat_ns = 1
		711	CODE:
		712	RETVAL = e_new (sizeof (ev_stat), cb, default_loop_sv);
		713	e_fh (RETVAL) = newSVsv (path);
		714	ev_stat_set (RETVAL, SvPVbyte_nolen (e_fh (RETVAL)), interval);
428	if (!ix) e_start (RETVAL);	715	if (!ix) START (stat, RETVAL);
429	OUTPUT:	716	OUTPUT:
430	RETVAL	717	RETVAL
		718
		719	ev_embed *embed (struct ev_loop *loop, SV *cb = 0)
		720	ALIAS:
		721	embed_ns = 1
		722	CODE:
		723	{
		724	if (!(ev_backend (loop) & ev_embeddable_backends ()))
		725	croak ("passed loop is not embeddable via EV::embed,");
		726
		727	RETVAL = e_new (sizeof (ev_embed), cb, default_loop_sv);
		728	e_fh (RETVAL) = newSVsv (ST (0));
		729	ev_embed_set (RETVAL, loop);
		730	if (!ix) START (embed, RETVAL);
		731	}
		732	OUTPUT:
		733	RETVAL
		734
		735	ev_async *async (SV *cb)
		736	ALIAS:
		737	async_ns = 1
		738	CODE:
		739	RETVAL = e_new (sizeof (ev_async), cb, default_loop_sv);
		740	ev_async_set (RETVAL);
		741	if (!ix) START (async, RETVAL);
		742	OUTPUT:
		743	RETVAL
		744
		745	void once (SV *fh, int events, SV *timeout, SV *cb)
		746	CODE:
		747	ev_once (
		748	evapi.default_loop,
		749	s_fileno (fh, events & EV_WRITE), events,
		750	SvOK (timeout) ? SvNV (timeout) : -1.,
		751	e_once_cb,
		752	newSVsv (cb)
		753	);
431		754
432	PROTOTYPES: DISABLE	755	PROTOTYPES: DISABLE
433		756
434
435	MODULE = EV PACKAGE = EV::Base PREFIX = event_base_
436
437	Base new ()
438	CODE:
439	RETVAL = event_init ();
440	OUTPUT:
441	RETVAL
442
443	int event_base_dispatch (Base base)
444
445	int event_base_loop (Base base, int flags = 0)
446
447	int event_base_loopexit (Base base, double after)
448	CODE:
449	{
450	struct timeval tv;
451	tv.tv_sec = (long)after;
452	tv.tv_usec = (long)(after - tv.tv_sec) * 1e6;
453	event_base_loopexit (base, &tv);
454	}
455
456	int event_base_priority_init (Base base, int npri)
457
458	void event_base_set (Base base, Event ev)
459	C_ARGS: base, &ev->ev
460
461	void DESTROY (Base base)
462	CODE:
463	/*event_base_free (base);*/ /* causes too many problems */
464
465
466	MODULE = EV PACKAGE = EV::Event PREFIX = event_	757	MODULE = EV PACKAGE = EV::Watcher PREFIX = ev_
467		758
468	int event_priority_set (Event ev, int pri)	759	int ev_is_active (ev_watcher *w)
469	C_ARGS: &ev->ev, pri
470		760
471	int event_add (Event ev, double timeout = TIMEOUT_NONE)	761	int ev_is_pending (ev_watcher *w)
472	CODE:
473	ev->timeout = timeout;
474	ev->abstime = 0;
475	RETVAL = e_start (ev);
476	OUTPUT:
477	RETVAL
478		762
479	int event_start (Event ev)	763	void ev_invoke (ev_watcher *w, int revents = EV_NONE)
480	CODE:	764	C_ARGS: e_loop (w), w, revents
481	RETVAL = e_start (ev);
482	OUTPUT:
483	RETVAL
484		765
485	int event_del (Event ev)	766	int ev_clear_pending (ev_watcher *w)
486	ALIAS:	767	C_ARGS: e_loop (w), w
487	stop = 0
488	CODE:
489	RETVAL = e_stop (ev);
490	OUTPUT:
491	RETVAL
492		768
493	void DESTROY (Event ev)	769	void ev_feed_event (ev_watcher *w, int revents = EV_NONE)
494	CODE:	770	C_ARGS: e_loop (w), w, revents
495	e_stop (ev);
496	SvREFCNT_dec (ev->cb);
497	SvREFCNT_dec (ev->fh);
498		771
		772	int keepalive (ev_watcher *w, int new_value = 0)
		773	CODE:
		774	{
		775	RETVAL = w->e_flags & WFLAG_KEEPALIVE;
		776	new_value = new_value ? WFLAG_KEEPALIVE : 0;
		777
		778	if (items > 1 && ((new_value ^ w->e_flags) & WFLAG_KEEPALIVE))
		779	{
		780	w->e_flags = (w->e_flags & ~WFLAG_KEEPALIVE) | new_value;
		781	REF (w);
		782	UNREF (w);
		783	}
		784	}
		785	OUTPUT:
		786	RETVAL
		787
499	SV *cb (Event ev, SV *new_cb = 0)	788	SV *cb (ev_watcher *w, SV *new_cb = 0)
500	CODE:	789	CODE:
501	RETVAL = newSVsv (ev->cb);	790	{
502	if (items > 1)
503	sv_setsv (ev->cb, new_cb);
504	OUTPUT:
505	RETVAL
506
507	SV *fh (Event ev, SV *new_fh = 0)
508	CODE:
509	RETVAL = newSVsv (ev->fh);
510	if (items > 1)	791	if (items > 1)
511	{	792	{
512	if (ev->active) event_del (&ev->ev);	793	new_cb = s_get_cv_croak (new_cb);
513	sv_setsv (ev->fh, new_fh);	794	RETVAL = newRV_noinc (w->cb_sv);
514	ev->ev.ev_fd = sv_fileno (ev->fh);	795	w->cb_sv = SvREFCNT_inc (new_cb);
515	ev->ev.ev_events &= ev->ev.ev_events & ~EV_SIGNAL;
516	if (ev->active) event_add (&ev->ev, e_tv (ev));
517	}	796	}
		797	else
		798	RETVAL = newRV_inc (w->cb_sv);
		799	}
518	OUTPUT:	800	OUTPUT:
519	RETVAL	801	RETVAL
520		802
521	SV *signal (Event ev, SV *new_signal = 0)	803	SV *data (ev_watcher *w, SV *new_data = 0)
522	CODE:	804	CODE:
523	{	805	{
524	Signal signum;	806	RETVAL = w->data ? newSVsv (w->data) : &PL_sv_undef;
525
526	if (items > 1)
527	signum = sv_signum (new_signal); /* may croak here */
528
529	RETVAL = newSVsv (ev->fh);
530		807
531	if (items > 1)	808	if (items > 1)
532	{	809	{
533	if (ev->active) event_del (&ev->ev);	810	SvREFCNT_dec (w->data);
534	sv_setsv (ev->fh, new_signal);	811	w->data = newSVsv (new_data);
535	ev->ev.ev_fd = signum;
536	ev->ev.ev_events |= EV_SIGNAL;
537	if (ev->active) event_add (&ev->ev, e_tv (ev));
538	}	812	}
539	}	813	}
540	OUTPUT:	814	OUTPUT:
541	RETVAL	815	RETVAL
542		816
543	short events (Event ev, short new_events = EV_UNDEF)	817	SV *loop (ev_watcher *w)
544	CODE:	818	CODE:
545	RETVAL = ev->ev.ev_events;	819	RETVAL = newRV_inc (w->loop);
		820	OUTPUT:
		821	RETVAL
		822
		823	int priority (ev_watcher *w, int new_priority = 0)
		824	CODE:
		825	{
		826	RETVAL = w->priority;
		827
546	if (items > 1)	828	if (items > 1)
547	{	829	{
548	if (ev->active) event_del (&ev->ev);	830	int active = ev_is_active (w);
549	ev->ev.ev_events = new_events;	831
550	if (ev->active) event_add (&ev->ev, e_tv (ev));	832	if (active)
		833	{
		834	/* grrr. */
		835	PUSHMARK (SP);
		836	XPUSHs (ST (0));
		837	PUTBACK;
		838	call_method ("stop", G_DISCARD | G_VOID);
		839	}
		840
		841	ev_set_priority (w, new_priority);
		842
		843	if (active)
		844	{
		845	PUSHMARK (SP);
		846	XPUSHs (ST (0));
		847	PUTBACK;
		848	call_method ("start", G_DISCARD | G_VOID);
		849	}
551	}	850	}
		851	}
552	OUTPUT:	852	OUTPUT:
553	RETVAL	853	RETVAL
554		854
555	double timeout (Event ev, double new_timeout = 0., int repeat = 0)	855	MODULE = EV PACKAGE = EV::IO PREFIX = ev_io_
		856
		857	void ev_io_start (ev_io *w)
556	CODE:	858	CODE:
557	RETVAL = ev->timeout;	859	START (io, w);
		860
		861	void ev_io_stop (ev_io *w)
		862	CODE:
		863	STOP (io, w);
		864
		865	void DESTROY (ev_io *w)
		866	CODE:
		867	STOP (io, w);
		868	e_destroy (w);
		869
		870	void set (ev_io *w, SV *fh, int events)
		871	CODE:
		872	{
		873	int fd = s_fileno (fh, events & EV_WRITE);
		874	CHECK_FD (fh, fd);
		875
		876	sv_setsv (e_fh (w), fh);
		877	RESET (io, w, (w, fd, events));
		878	}
		879
		880	SV *fh (ev_io *w, SV *new_fh = 0)
		881	CODE:
		882	{
558	if (items > 1)	883	if (items > 1)
559	{	884	{
560	if (ev->active) event_del (&ev->ev);	885	int fd = s_fileno (new_fh, w->events & EV_WRITE);
561	ev->timeout = new_timeout;	886	CHECK_FD (new_fh, fd);
562	ev->interval = repeat;	887
563	ev->abstime = 0;	888	RETVAL = e_fh (w);
564	if (ev->active) event_add (&ev->ev, e_tv (ev));	889	e_fh (w) = newSVsv (new_fh);
		890
		891	RESET (io, w, (w, fd, w->events));
565	}	892	}
		893	else
		894	RETVAL = newSVsv (e_fh (w));
		895	}
566	OUTPUT:	896	OUTPUT:
567	RETVAL	897	RETVAL
568		898
569	void timeout_abs (Event ev, double at, double interval = 0.)	899	int events (ev_io *w, int new_events = EV_UNDEF)
570	CODE:	900	CODE:
571	if (ev->active) event_del (&ev->ev);	901	{
572	ev->timeout = at;	902	RETVAL = w->events;
573	ev->interval = interval;
574	ev->abstime = 1;
575	if (ev->active) event_add (&ev->ev, e_tv (ev));
576		903
		904	if (items > 1)
		905	RESET (io, w, (w, w->fd, new_events));
		906	}
		907	OUTPUT:
		908	RETVAL
577		909
578	MODULE = EV PACKAGE = EV::DNS PREFIX = evdns_	910	MODULE = EV PACKAGE = EV::Signal PREFIX = ev_signal_
579		911
580	BOOT:	912	void ev_signal_start (ev_signal *w)
581	{	913	CODE:
582	HV *stash = gv_stashpv ("EV::DNS", 1);	914	START_SIGNAL (w);
583		915
584	static const struct {	916	void ev_signal_stop (ev_signal *w)
585	const char *name;	917	CODE:
586	IV iv;	918	STOP (signal, w);
587	} *civ, const_iv[] = {
588	# define const_iv(pfx, name) { # name, (IV) pfx ## name },
589	const_iv (DNS_, ERR_NONE)
590	const_iv (DNS_, ERR_FORMAT)
591	const_iv (DNS_, ERR_SERVERFAILED)
592	const_iv (DNS_, ERR_NOTEXIST)
593	const_iv (DNS_, ERR_NOTIMPL)
594	const_iv (DNS_, ERR_REFUSED)
595	const_iv (DNS_, ERR_TRUNCATED)
596	const_iv (DNS_, ERR_UNKNOWN)
597	const_iv (DNS_, ERR_TIMEOUT)
598	const_iv (DNS_, ERR_SHUTDOWN)
599	const_iv (DNS_, IPv4_A)
600	const_iv (DNS_, PTR)
601	const_iv (DNS_, IPv6_AAAA)
602	const_iv (DNS_, QUERY_NO_SEARCH)
603	const_iv (DNS_, OPTION_SEARCH)
604	const_iv (DNS_, OPTION_NAMESERVERS)
605	const_iv (DNS_, OPTION_MISC)
606	const_iv (DNS_, OPTIONS_ALL)
607	const_iv (DNS_, NO_SEARCH)
608	};
609		919
610	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	920	void DESTROY (ev_signal *w)
611	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	921	CODE:
612	}	922	STOP (signal, w);
		923	e_destroy (w);
613		924
614	int evdns_init ()	925	void set (ev_signal *w, SV *signal)
		926	CODE:
		927	{
		928	Signal signum = s_signum (signal);
		929	CHECK_SIG (signal, signum);
615		930
616	void evdns_shutdown (int fail_requests = 1)	931	RESET_SIGNAL (w, (w, signum));
		932	}
617		933
618	const char *evdns_err_to_string (int err)	934	int signal (ev_signal *w, SV *new_signal = 0)
		935	CODE:
		936	{
		937	RETVAL = w->signum;
619		938
620	int evdns_nameserver_add (U32 address)	939	if (items > 1)
		940	{
		941	Signal signum = s_signum (new_signal);
		942	CHECK_SIG (new_signal, signum);
621		943
622	int evdns_count_nameservers ()	944	RESET_SIGNAL (w, (w, signum));
		945	}
		946	}
		947	OUTPUT:
		948	RETVAL
623		949
624	int evdns_clear_nameservers_and_suspend ()	950	MODULE = EV PACKAGE = EV::Timer PREFIX = ev_timer_
625		951
626	int evdns_resume ()	952	void ev_timer_start (ev_timer *w)
		953	INIT:
		954	CHECK_REPEAT (w->repeat);
		955	CODE:
		956	START (timer, w);
627		957
628	int evdns_nameserver_ip_add (char *ip_as_string)	958	void ev_timer_stop (ev_timer *w)
		959	CODE:
		960	STOP (timer, w);
629		961
630	int evdns_resolve_ipv4 (const char *name, int flags, SV *cb)	962	void ev_timer_again (ev_timer *w)
631	C_ARGS: name, flags, dns_cb, (void *)SvREFCNT_inc (cb)	963	INIT:
632		964	CHECK_REPEAT (w->repeat);
633	int evdns_resolve_ipv6 (const char *name, int flags, SV *cb)
634	C_ARGS: name, flags, dns_cb, (void *)SvREFCNT_inc (cb)
635
636	int evdns_resolve_reverse (SV *addr, int flags, SV *cb)
637	ALIAS:
638	evdns_resolve_reverse_ipv6 = 1
639	CODE:	965	CODE:
640	{	966	ev_timer_again (e_loop (w), w);
641	STRLEN len;	967	UNREF (w);
642	char *data = SvPVbyte (addr, len);
643	if (len != (ix ? 16 : 4))
644	croak ("ipv4/ipv6 address to be resolved must be given as 4/16 byte octet string");
645		968
		969	NV ev_timer_remaining (ev_timer *w)
		970	C_ARGS: e_loop (w), w
		971
		972	void DESTROY (ev_timer *w)
		973	CODE:
		974	STOP (timer, w);
		975	e_destroy (w);
		976
		977	void set (ev_timer *w, NV after, NV repeat = 0.)
		978	INIT:
		979	CHECK_REPEAT (repeat);
		980	CODE:
		981	RESET (timer, w, (w, after, repeat));
		982
		983	MODULE = EV PACKAGE = EV::Periodic PREFIX = ev_periodic_
		984
		985	void ev_periodic_start (ev_periodic *w)
		986	INIT:
		987	CHECK_REPEAT (w->interval);
		988	CODE:
		989	START (periodic, w);
		990
		991	void ev_periodic_stop (ev_periodic *w)
		992	CODE:
		993	STOP (periodic, w);
		994
		995	void ev_periodic_again (ev_periodic *w)
		996	CODE:
		997	ev_periodic_again (e_loop (w), w);
		998	UNREF (w);
		999
		1000	void DESTROY (ev_periodic *w)
		1001	CODE:
		1002	STOP (periodic, w);
		1003	e_destroy (w);
		1004
		1005	void set (ev_periodic *w, NV at, NV interval = 0., SV *reschedule_cb = &PL_sv_undef)
		1006	INIT:
		1007	CHECK_REPEAT (interval);
		1008	CODE:
		1009	{
		1010	SvREFCNT_dec (e_fh (w));
		1011	e_fh (w) = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
		1012
		1013	RESET (periodic, w, (w, at, interval, e_fh (w) ? e_periodic_cb : 0));
		1014	}
		1015
		1016	NV at (ev_periodic *w)
		1017	CODE:
		1018	RETVAL = ev_periodic_at (w);
		1019	OUTPUT:
646	RETVAL = ix	1020	RETVAL
647	? evdns_resolve_reverse_ipv6 ((struct in6_addr *)data, flags, dns_cb, (void *)SvREFCNT_inc (cb))
648	: evdns_resolve_reverse ((struct in_addr *)data, flags, dns_cb, (void *)SvREFCNT_inc (cb));
649	}
650	OUTPUT:
651	RETVAL
652		1021
653	int evdns_set_option (char *option, char *val, int flags)	1022	MODULE = EV PACKAGE = EV::Idle PREFIX = ev_idle_
654		1023
655	int evdns_resolv_conf_parse (int flags, const char *filename)	1024	void ev_idle_start (ev_idle *w)
		1025	CODE:
		1026	START (idle, w);
656		1027
657	#ifdef MS_WINDOWS	1028	void ev_idle_stop (ev_idle *w)
		1029	CODE:
		1030	STOP (idle, w);
658		1031
659	int evdns_config_windows_nameservers ()	1032	void DESTROY (ev_idle *w)
		1033	CODE:
		1034	STOP (idle, w);
		1035	e_destroy (w);
		1036
		1037	MODULE = EV PACKAGE = EV::Prepare PREFIX = ev_prepare_
		1038
		1039	void ev_prepare_start (ev_prepare *w)
		1040	CODE:
		1041	START (prepare, w);
		1042
		1043	void ev_prepare_stop (ev_prepare *w)
		1044	CODE:
		1045	STOP (prepare, w);
		1046
		1047	void DESTROY (ev_prepare *w)
		1048	CODE:
		1049	STOP (prepare, w);
		1050	e_destroy (w);
		1051
		1052	MODULE = EV PACKAGE = EV::Check PREFIX = ev_check_
		1053
		1054	void ev_check_start (ev_check *w)
		1055	CODE:
		1056	START (check, w);
		1057
		1058	void ev_check_stop (ev_check *w)
		1059	CODE:
		1060	STOP (check, w);
		1061
		1062	void DESTROY (ev_check *w)
		1063	CODE:
		1064	STOP (check, w);
		1065	e_destroy (w);
		1066
		1067	MODULE = EV PACKAGE = EV::Fork PREFIX = ev_fork_
		1068
		1069	void ev_fork_start (ev_fork *w)
		1070	CODE:
		1071	START (fork, w);
		1072
		1073	void ev_fork_stop (ev_fork *w)
		1074	CODE:
		1075	STOP (fork, w);
		1076
		1077	void DESTROY (ev_fork *w)
		1078	CODE:
		1079	STOP (fork, w);
		1080	e_destroy (w);
		1081
		1082	MODULE = EV PACKAGE = EV::Child PREFIX = ev_child_
		1083
		1084	void ev_child_start (ev_child *w)
		1085	CODE:
		1086	START (child, w);
		1087
		1088	void ev_child_stop (ev_child *w)
		1089	CODE:
		1090	STOP (child, w);
		1091
		1092	void DESTROY (ev_child *w)
		1093	CODE:
		1094	STOP (child, w);
		1095	e_destroy (w);
		1096
		1097	void set (ev_child *w, int pid, int trace)
		1098	CODE:
		1099	RESET (child, w, (w, pid, trace));
		1100
		1101	int pid (ev_child *w)
		1102	ALIAS:
		1103	rpid = 1
		1104	rstatus = 2
		1105	CODE:
		1106	RETVAL = ix == 0 ? w->pid
		1107	: ix == 1 ? w->rpid
		1108	: w->rstatus;
		1109	OUTPUT:
		1110	RETVAL
		1111
		1112	MODULE = EV PACKAGE = EV::Stat PREFIX = ev_stat_
		1113
		1114	void ev_stat_start (ev_stat *w)
		1115	CODE:
		1116	START (stat, w);
		1117
		1118	void ev_stat_stop (ev_stat *w)
		1119	CODE:
		1120	STOP (stat, w);
		1121
		1122	void DESTROY (ev_stat *w)
		1123	CODE:
		1124	STOP (stat, w);
		1125	e_destroy (w);
		1126
		1127	void set (ev_stat *w, SV *path, NV interval)
		1128	CODE:
		1129	{
		1130	sv_setsv (e_fh (w), path);
		1131	RESET (stat, w, (w, SvPVbyte_nolen (e_fh (w)), interval));
		1132	}
		1133
		1134	SV *path (ev_stat *w, SV *new_path = 0)
		1135	CODE:
		1136	{
		1137	RETVAL = SvREFCNT_inc (e_fh (w));
		1138
		1139	if (items > 1)
		1140	{
		1141	SvREFCNT_dec (e_fh (w));
		1142	e_fh (w) = newSVsv (new_path);
		1143	RESET (stat, w, (w, SvPVbyte_nolen (e_fh (w)), w->interval));
		1144	}
		1145	}
		1146	OUTPUT:
		1147	RETVAL
		1148
		1149	NV interval (ev_stat *w, NV new_interval = 0.)
		1150	CODE:
		1151	{
		1152	RETVAL = w->interval;
		1153
		1154	if (items > 1)
		1155	RESET (stat, w, (w, SvPVbyte_nolen (e_fh (w)), new_interval));
		1156	}
		1157	OUTPUT:
		1158	RETVAL
		1159
		1160	void prev (ev_stat *w)
		1161	ALIAS:
		1162	stat = 1
		1163	attr = 2
		1164	PPCODE:
		1165	{
		1166	ev_statdata *s = ix ? &w->attr : &w->prev;
		1167
		1168	if (ix == 1)
		1169	ev_stat_stat (e_loop (w), w);
		1170	else if (!s->st_nlink)
		1171	errno = ENOENT;
		1172
		1173	PL_statcache.st_dev = s->st_nlink;
		1174	PL_statcache.st_ino = s->st_ino;
		1175	PL_statcache.st_mode = s->st_mode;
		1176	PL_statcache.st_nlink = s->st_nlink;
		1177	PL_statcache.st_uid = s->st_uid;
		1178	PL_statcache.st_gid = s->st_gid;
		1179	PL_statcache.st_rdev = s->st_rdev;
		1180	PL_statcache.st_size = s->st_size;
		1181	PL_statcache.st_atime = s->st_atime;
		1182	PL_statcache.st_mtime = s->st_mtime;
		1183	PL_statcache.st_ctime = s->st_ctime;
		1184
		1185	if (GIMME_V == G_SCALAR)
		1186	XPUSHs (boolSV (s->st_nlink));
		1187	else if (GIMME_V == G_ARRAY && s->st_nlink)
		1188	{
		1189	EXTEND (SP, 13);
		1190	PUSHs (sv_2mortal (newSViv (s->st_dev)));
		1191	PUSHs (sv_2mortal (newSViv (s->st_ino)));
		1192	PUSHs (sv_2mortal (newSVuv (s->st_mode)));
		1193	PUSHs (sv_2mortal (newSVuv (s->st_nlink)));
		1194	PUSHs (sv_2mortal (newSViv (s->st_uid)));
		1195	PUSHs (sv_2mortal (newSViv (s->st_gid)));
		1196	PUSHs (sv_2mortal (newSViv (s->st_rdev)));
		1197	PUSHs (sv_2mortal (newSVnv ((NV)s->st_size)));
		1198	PUSHs (sv_2mortal (newSVnv (s->st_atime)));
		1199	PUSHs (sv_2mortal (newSVnv (s->st_mtime)));
		1200	PUSHs (sv_2mortal (newSVnv (s->st_ctime)));
		1201	PUSHs (sv_2mortal (newSVuv (4096)));
		1202	PUSHs (sv_2mortal (newSVnv ((NV)((s->st_size + 4095) / 4096))));
		1203	}
		1204	}
		1205
		1206	MODULE = EV PACKAGE = EV::Embed PREFIX = ev_embed_
		1207
		1208	void ev_embed_start (ev_embed *w)
		1209	CODE:
		1210	START (embed, w);
		1211
		1212	void ev_embed_stop (ev_embed *w)
		1213	CODE:
		1214	STOP (embed, w);
		1215
		1216	void DESTROY (ev_embed *w)
		1217	CODE:
		1218	STOP (embed, w);
		1219	e_destroy (w);
		1220
		1221	void set (ev_embed *w, struct ev_loop *loop)
		1222	CODE:
		1223	{
		1224	sv_setsv (e_fh (w), ST (1));
		1225	RESET (embed, w, (w, loop));
		1226	}
		1227
		1228	SV *other (ev_embed *w)
		1229	CODE:
		1230	RETVAL = newSVsv (e_fh (w));
		1231	OUTPUT:
		1232	RETVAL
		1233
		1234	void ev_embed_sweep (ev_embed *w)
		1235	C_ARGS: e_loop (w), w
		1236
		1237	MODULE = EV PACKAGE = EV::Async PREFIX = ev_async_
		1238
		1239	void ev_async_start (ev_async *w)
		1240	CODE:
		1241	START (async, w);
		1242
		1243	void ev_async_stop (ev_async *w)
		1244	CODE:
		1245	STOP (async, w);
		1246
		1247	void DESTROY (ev_async *w)
		1248	CODE:
		1249	STOP (async, w);
		1250	e_destroy (w);
		1251
		1252	void ev_async_send (ev_async *w)
		1253	C_ARGS: e_loop (w), w
		1254
		1255	SV *ev_async_async_pending (ev_async *w)
		1256	CODE:
		1257	RETVAL = boolSV (ev_async_pending (w));
		1258	OUTPUT:
		1259	RETVAL
		1260
		1261	MODULE = EV PACKAGE = EV::Loop PREFIX = ev_
		1262
		1263	SV *new (SV *klass, unsigned int flags = 0)
		1264	CODE:
		1265	{
		1266	struct ev_loop *loop = ev_loop_new (flags);
		1267
		1268	if (!loop)
		1269	XSRETURN_UNDEF;
		1270
		1271	RETVAL = sv_bless (newRV_noinc (newSViv (PTR2IV (loop))), stash_loop);
		1272	}
		1273	OUTPUT:
		1274	RETVAL
		1275
		1276	void DESTROY (struct ev_loop *loop)
		1277	CODE:
		1278	if (loop != evapi.default_loop) /* global destruction sucks */
		1279	ev_loop_destroy (loop);
		1280
		1281	void ev_loop_fork (struct ev_loop *loop)
		1282
		1283	void ev_verify (struct ev_loop *loop)
		1284
		1285	NV ev_now (struct ev_loop *loop)
		1286
		1287	void ev_now_update (struct ev_loop *loop)
		1288
		1289	void ev_suspend (struct ev_loop *loop)
		1290
		1291	void ev_resume (struct ev_loop *loop)
		1292
		1293	void ev_set_io_collect_interval (struct ev_loop *loop, NV interval)
		1294
		1295	void ev_set_timeout_collect_interval (struct ev_loop *loop, NV interval)
		1296
		1297	unsigned int ev_backend (struct ev_loop *loop)
		1298
		1299	unsigned int ev_iteration (struct ev_loop *loop)
		1300
		1301	unsigned int ev_depth (struct ev_loop *loop)
		1302
		1303	void ev_loop (struct ev_loop *loop, int flags = 0)
		1304
		1305	void ev_unloop (struct ev_loop *loop, int how = 1)
		1306
		1307	void ev_feed_fd_event (struct ev_loop *loop, int fd, int revents = EV_NONE)
		1308
		1309	unsigned int ev_pending_count (struct ev_loop *loop)
		1310
		1311	void ev_invoke_pending (struct ev_loop *loop)
		1312
		1313	#if 0
		1314
		1315	void ev_feed_signal_event (struct ev_loop *loop, SV *signal)
		1316	CODE:
		1317	{
		1318	Signal signum = s_signum (signal);
		1319	CHECK_SIG (signal, signum);
		1320
		1321	ev_feed_signal_event (loop, signum);
		1322	}
660		1323
661	#endif	1324	#endif
662		1325
663	void evdns_search_clear ()	1326	ev_io *io (struct ev_loop *loop, SV *fh, int events, SV *cb)
664		1327	ALIAS:
665	void evdns_search_add (char *domain)	1328	io_ns = 1
666		1329	CODE:
667	void evdns_search_ndots_set (int ndots)
668
669
670	MODULE = EV PACKAGE = EV::HTTP PREFIX = evhttp_
671
672	BOOT:
673	{	1330	{
674	HV *stash = gv_stashpv ("EV::HTTP", 1);	1331	int fd = s_fileno (fh, events & EV_WRITE);
		1332	CHECK_FD (fh, fd);
675		1333
676	static const struct {	1334	RETVAL = e_new (sizeof (ev_io), cb, ST (0));
677	const char *name;	1335	e_fh (RETVAL) = newSVsv (fh);
678	IV iv;	1336	ev_io_set (RETVAL, fd, events);
679	} *civ, const_iv[] = {	1337	if (!ix) START (io, RETVAL);
680	# define const_iv(pfx, name) { # name, (IV) pfx ## name },
681	const_iv (HTTP_, OK)
682	const_iv (HTTP_, NOCONTENT)
683	const_iv (HTTP_, MOVEPERM)
684	const_iv (HTTP_, MOVETEMP)
685	const_iv (HTTP_, NOTMODIFIED)
686	const_iv (HTTP_, BADREQUEST)
687	const_iv (HTTP_, NOTFOUND)
688	const_iv (HTTP_, SERVUNAVAIL)
689	const_iv (EVHTTP_, REQ_OWN_CONNECTION)
690	const_iv (EVHTTP_, PROXY_REQUEST)
691	const_iv (EVHTTP_, REQ_GET)
692	const_iv (EVHTTP_, REQ_POST)
693	const_iv (EVHTTP_, REQ_HEAD)
694	const_iv (EVHTTP_, REQUEST)
695	const_iv (EVHTTP_, RESPONSE)
696	};
697
698	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
699	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
700	}	1338	}
		1339	OUTPUT:
		1340	RETVAL
701		1341
702	MODULE = EV PACKAGE = EV::HTTP::Request PREFIX = evhttp_request_	1342	ev_timer *timer (struct ev_loop *loop, NV after, NV repeat, SV *cb)
		1343	ALIAS:
		1344	timer_ns = 1
		1345	INIT:
		1346	CHECK_REPEAT (repeat);
		1347	CODE:
		1348	RETVAL = e_new (sizeof (ev_timer), cb, ST (0));
		1349	ev_timer_set (RETVAL, after, repeat);
		1350	if (!ix) START (timer, RETVAL);
		1351	OUTPUT:
		1352	RETVAL
703		1353
704	#HttpRequest new (SV *klass, SV *cb)	1354	SV *periodic (struct ev_loop *loop, NV at, NV interval, SV *reschedule_cb, SV *cb)
		1355	ALIAS:
		1356	periodic_ns = 1
		1357	INIT:
		1358	CHECK_REPEAT (interval);
		1359	CODE:
		1360	{
		1361	ev_periodic *w;
		1362	w = e_new (sizeof (ev_periodic), cb, ST (0));
		1363	e_fh (w) = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
		1364	ev_periodic_set (w, at, interval, e_fh (w) ? e_periodic_cb : 0);
		1365	RETVAL = e_bless ((ev_watcher *)w, stash_periodic);
		1366	if (!ix) START (periodic, w);
		1367	}
		1368	OUTPUT:
		1369	RETVAL
705		1370
706	#void DESTROY (struct evhttp_request *req);	1371	ev_signal *signal (struct ev_loop *loop, SV *signal, SV *cb)
		1372	ALIAS:
		1373	signal_ns = 1
		1374	CODE:
		1375	{
		1376	Signal signum = s_signum (signal);
		1377	CHECK_SIG (signal, signum);
707		1378
		1379	RETVAL = e_new (sizeof (ev_signal), cb, ST (0));
		1380	ev_signal_set (RETVAL, signum);
		1381	if (!ix) START_SIGNAL (RETVAL);
		1382	}
		1383	OUTPUT:
		1384	RETVAL
708		1385
		1386	ev_idle *idle (struct ev_loop *loop, SV *cb)
		1387	ALIAS:
		1388	idle_ns = 1
		1389	CODE:
		1390	RETVAL = e_new (sizeof (ev_idle), cb, ST (0));
		1391	ev_idle_set (RETVAL);
		1392	if (!ix) START (idle, RETVAL);
		1393	OUTPUT:
		1394	RETVAL
709		1395
		1396	ev_prepare *prepare (struct ev_loop *loop, SV *cb)
		1397	ALIAS:
		1398	prepare_ns = 1
		1399	CODE:
		1400	RETVAL = e_new (sizeof (ev_prepare), cb, ST (0));
		1401	ev_prepare_set (RETVAL);
		1402	if (!ix) START (prepare, RETVAL);
		1403	OUTPUT:
		1404	RETVAL
710		1405
		1406	ev_check *check (struct ev_loop *loop, SV *cb)
		1407	ALIAS:
		1408	check_ns = 1
		1409	CODE:
		1410	RETVAL = e_new (sizeof (ev_check), cb, ST (0));
		1411	ev_check_set (RETVAL);
		1412	if (!ix) START (check, RETVAL);
		1413	OUTPUT:
		1414	RETVAL
711		1415
		1416	ev_fork *fork (struct ev_loop *loop, SV *cb)
		1417	ALIAS:
		1418	fork_ns = 1
		1419	CODE:
		1420	RETVAL = e_new (sizeof (ev_fork), cb, ST (0));
		1421	ev_fork_set (RETVAL);
		1422	if (!ix) START (fork, RETVAL);
		1423	OUTPUT:
		1424	RETVAL
712		1425
		1426	ev_child *child (struct ev_loop *loop, int pid, int trace, SV *cb)
		1427	ALIAS:
		1428	child_ns = 1
		1429	CODE:
		1430	RETVAL = e_new (sizeof (ev_child), cb, ST (0));
		1431	ev_child_set (RETVAL, pid, trace);
		1432	if (!ix) START (child, RETVAL);
		1433	OUTPUT:
		1434	RETVAL
713		1435
		1436	ev_stat *stat (struct ev_loop *loop, SV *path, NV interval, SV *cb)
		1437	ALIAS:
		1438	stat_ns = 1
		1439	CODE:
		1440	RETVAL = e_new (sizeof (ev_stat), cb, ST (0));
		1441	e_fh (RETVAL) = newSVsv (path);
		1442	ev_stat_set (RETVAL, SvPVbyte_nolen (e_fh (RETVAL)), interval);
		1443	if (!ix) START (stat, RETVAL);
		1444	OUTPUT:
		1445	RETVAL
714		1446
		1447	ev_embed *embed (struct ev_loop *loop, struct ev_loop *other, SV *cb = 0)
		1448	ALIAS:
		1449	embed_ns = 1
		1450	CODE:
		1451	{
		1452	if (!(ev_backend (other) & ev_embeddable_backends ()))
		1453	croak ("passed loop is not embeddable via EV::embed,");
		1454
		1455	RETVAL = e_new (sizeof (ev_embed), cb, ST (0));
		1456	e_fh (RETVAL) = newSVsv (ST (1));
		1457	ev_embed_set (RETVAL, other);
		1458	if (!ix) START (embed, RETVAL);
		1459	}
		1460	OUTPUT:
		1461	RETVAL
		1462
		1463	ev_async *async (struct ev_loop *loop, SV *cb)
		1464	ALIAS:
		1465	async_ns = 1
		1466	CODE:
		1467	RETVAL = e_new (sizeof (ev_async), cb, ST (0));
		1468	ev_async_set (RETVAL);
		1469	if (!ix) START (async, RETVAL);
		1470	OUTPUT:
		1471	RETVAL
		1472
		1473	void once (struct ev_loop *loop, SV *fh, int events, SV *timeout, SV *cb)
		1474	CODE:
		1475	ev_once (
		1476	loop,
		1477	s_fileno (fh, events & EV_WRITE), events,
		1478	SvOK (timeout) ? SvNV (timeout) : -1.,
		1479	e_once_cb,
		1480	newSVsv (cb)
		1481	);
		1482

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