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Comparing EV/EV.xs (file contents):
Revision 1.13 by root, Mon Oct 29 18:33:02 2007 UTC vs.
Revision 1.141 by root, Thu Jul 8 00:45:03 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	#if !defined(_WIN32) && !defined(_MINIX)
		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;
328	evapi.loop = event_loop;	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	#if EV_CHILD_ENABLE
		480	evapi.child_start = ev_child_start;
		481	evapi.child_stop = ev_child_stop;
		482	#endif
		483	evapi.stat_start = ev_stat_start;
		484	evapi.stat_stop = ev_stat_stop;
		485	evapi.stat_stat = ev_stat_stat;
		486	evapi.embed_start = ev_embed_start;
		487	evapi.embed_stop = ev_embed_stop;
		488	evapi.embed_sweep = ev_embed_sweep;
		489	evapi.fork_start = ev_fork_start;
		490	evapi.fork_stop = ev_fork_stop;
		491	evapi.async_start = ev_async_start;
		492	evapi.async_stop = ev_async_stop;
		493	evapi.async_send = ev_async_send;
		494	evapi.clear_pending = ev_clear_pending;
		495	evapi.invoke = ev_invoke;
329		496
330	sv_setiv (sv, (IV)&evapi);	497	sv_setiv (sv, (IV)&evapi);
331	SvREADONLY_on (sv);	498	SvREADONLY_on (sv);
332	}	499	}
		500	#if !defined(_WIN32) && !defined(_MINIX)
		501	pthread_atfork (0, 0, ev_default_fork);
		502	#endif
333	}	503	}
334		504
335	double now ()	505	SV *ev_default_loop (unsigned int flags = 0)
336	CODE:	506	CODE:
337	RETVAL = e_now ();	507	{
338	OUTPUT:	508	if (!default_loop_sv)
339	RETVAL	509	{
		510	evapi.default_loop = ev_default_loop (flags);
340		511
341	const char *version ()	512	if (!evapi.default_loop)
342	ALIAS:	513	XSRETURN_UNDEF;
343	method = 1
344	CODE:
345	RETVAL = ix ? event_get_method () : event_get_version ();
346	OUTPUT:
347	RETVAL
348		514
349	Base event_init ()	515	default_loop_sv = sv_bless (newRV_noinc (newSViv (PTR2IV (evapi.default_loop))), stash_loop);
		516	}
350		517
351	int event_priority_init (int npri)	518	RETVAL = newSVsv (default_loop_sv);
		519	}
		520	OUTPUT:
		521	RETVAL
352		522
353	int event_dispatch ()	523	void ev_default_destroy ()
		524	CODE:
		525	ev_default_destroy ();
		526	SvREFCNT_dec (default_loop_sv);
		527	default_loop_sv = 0;
354		528
		529	unsigned int ev_supported_backends ()
		530
		531	unsigned int ev_recommended_backends ()
		532
		533	unsigned int ev_embeddable_backends ()
		534
		535	void ev_sleep (NV interval)
		536
		537	NV ev_time ()
		538
		539	NV ev_now ()
		540	C_ARGS: evapi.default_loop
		541
		542	void ev_now_update ()
		543	C_ARGS: evapi.default_loop
		544
		545	void ev_suspend ()
		546	C_ARGS: evapi.default_loop
		547
		548	void ev_resume ()
		549	C_ARGS: evapi.default_loop
		550
		551	unsigned int ev_backend ()
		552	C_ARGS: evapi.default_loop
		553
		554	void ev_verify ()
		555	C_ARGS: evapi.default_loop
		556
		557	unsigned int ev_iteration ()
		558	C_ARGS: evapi.default_loop
		559
		560	unsigned int ev_depth ()
		561	C_ARGS: evapi.default_loop
		562
		563	void ev_set_io_collect_interval (NV interval)
		564	C_ARGS: evapi.default_loop, interval
		565
		566	void ev_set_timeout_collect_interval (NV interval)
		567	C_ARGS: evapi.default_loop, interval
		568
355	int event_loop (int flags = 0)	569	void ev_loop (int flags = 0)
		570	C_ARGS: evapi.default_loop, flags
356		571
357	int event_loopexit (double after = 0)	572	void ev_unloop (int how = EVUNLOOP_ONE)
358	CODE:	573	C_ARGS: evapi.default_loop, how
359	{
360	struct timeval tv;
361	tv_set (&tv, after);
362	event_loopexit (&tv);
363	}
364		574
365	Event event (SV *cb)	575	void ev_feed_fd_event (int fd, int revents = EV_NONE)
366	CODE:	576	C_ARGS: evapi.default_loop, fd, revents
367	RETVAL = e_new (NEWSV (0, 0), 0, cb);
368	OUTPUT:
369	RETVAL
370		577
		578	void ev_feed_signal_event (SV *signal)
		579	CODE:
		580	{
		581	Signal signum = s_signum (signal);
		582	CHECK_SIG (signal, signum);
		583
		584	ev_feed_signal_event (evapi.default_loop, signum);
		585	}
		586
		587	unsigned int ev_pending_count ()
		588	C_ARGS: evapi.default_loop
		589
		590	void ev_invoke_pending ()
		591	C_ARGS: evapi.default_loop
		592
371	Event io (SV *fh, short events, SV *cb)	593	ev_io *io (SV *fh, int events, SV *cb)
372	ALIAS:	594	ALIAS:
373	io_ns = 1	595	io_ns = 1
		596	_ae_io = 2
374	CODE:	597	CODE:
375	RETVAL = e_new (fh, events, cb);
376	if (!ix) e_start (RETVAL);
377	OUTPUT:
378	RETVAL
379
380	Event timed_io (SV *fh, short events, double timeout, SV *cb)
381	ALIAS:
382	timed_io_ns = 1
383	CODE:
384	{	598	{
385	events = timeout ? events & ~EV_PERSIST : events | EV_PERSIST;	599	int fd = s_fileno (fh, events & EV_WRITE);
		600	CHECK_FD (fh, fd);
386		601
387	RETVAL = e_new (fh, events, cb);	602	if (ix == 2)
388		603	{
389	if (timeout)	604	ix = 0;
390	{	605	events = events ? EV_WRITE : EV_READ;
391	RETVAL->timeout = timeout;
392	RETVAL->interval = 1;
393	}	606	}
394		607
		608	RETVAL = e_new (sizeof (ev_io), cb, default_loop_sv);
		609	e_fh (RETVAL) = newSVsv (fh);
		610	ev_io_set (RETVAL, fd, events);
395	if (!ix) e_start (RETVAL);	611	if (!ix) START (io, RETVAL);
396	}	612	}
397	OUTPUT:	613	OUTPUT:
398	RETVAL	614	RETVAL
399		615
400	Event timer (double after, int repeat, SV *cb)	616	ev_timer *timer (NV after, NV repeat, SV *cb)
401	ALIAS:	617	ALIAS:
402	timer_ns = 1	618	timer_ns = 1
		619	INIT:
		620	CHECK_REPEAT (repeat);
403	CODE:	621	CODE:
404	RETVAL = e_new (NEWSV (0, 0), 0, cb);	622	RETVAL = e_new (sizeof (ev_timer), cb, default_loop_sv);
405	RETVAL->timeout = after;	623	ev_timer_set (RETVAL, after, repeat);
406	RETVAL->interval = repeat;	624	if (!ix) START (timer, RETVAL);
407	if (!ix) e_start (RETVAL);
408	OUTPUT:	625	OUTPUT:
409	RETVAL	626	RETVAL
410		627
411	Event timer_abs (double at, double interval, SV *cb)	628	SV *periodic (NV at, NV interval, SV *reschedule_cb, SV *cb)
412	ALIAS:	629	ALIAS:
413	timer_abs_ns = 1	630	periodic_ns = 1
		631	INIT:
		632	CHECK_REPEAT (interval);
414	CODE:	633	CODE:
415	RETVAL = e_new (NEWSV (0, 0), 0, cb);	634	{
416	RETVAL->timeout = at;	635	ev_periodic *w;
417	RETVAL->interval = interval;	636	w = e_new (sizeof (ev_periodic), cb, default_loop_sv);
418	RETVAL->abstime = 1;	637	e_fh (w) = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
419	if (!ix) e_start (RETVAL);	638	ev_periodic_set (w, at, interval, e_fh (w) ? e_periodic_cb : 0);
		639	RETVAL = e_bless ((ev_watcher *)w, stash_periodic);
		640	if (!ix) START (periodic, w);
		641	}
420	OUTPUT:	642	OUTPUT:
421	RETVAL	643	RETVAL
422		644
423	Event signal (Signal signum, SV *cb)	645	ev_signal *signal (SV *signal, SV *cb)
424	ALIAS:	646	ALIAS:
425	signal_ns = 1	647	signal_ns = 1
426	CODE:	648	CODE:
427	RETVAL = e_new (ST (0), EV_SIGNAL | EV_PERSIST, cb);	649	{
428	RETVAL->ev.ev_fd = signum;	650	Signal signum = s_signum (signal);
		651	CHECK_SIG (signal, signum);
		652
		653	RETVAL = e_new (sizeof (ev_signal), cb, default_loop_sv);
		654	ev_signal_set (RETVAL, signum);
		655	if (!ix) START_SIGNAL (RETVAL);
		656	}
		657	OUTPUT:
		658	RETVAL
		659
		660	ev_idle *idle (SV *cb)
		661	ALIAS:
		662	idle_ns = 1
		663	CODE:
		664	RETVAL = e_new (sizeof (ev_idle), cb, default_loop_sv);
		665	ev_idle_set (RETVAL);
		666	if (!ix) START (idle, RETVAL);
		667	OUTPUT:
		668	RETVAL
		669
		670	ev_prepare *prepare (SV *cb)
		671	ALIAS:
		672	prepare_ns = 1
		673	CODE:
		674	RETVAL = e_new (sizeof (ev_prepare), cb, default_loop_sv);
		675	ev_prepare_set (RETVAL);
		676	if (!ix) START (prepare, RETVAL);
		677	OUTPUT:
		678	RETVAL
		679
		680	ev_check *check (SV *cb)
		681	ALIAS:
		682	check_ns = 1
		683	CODE:
		684	RETVAL = e_new (sizeof (ev_check), cb, default_loop_sv);
		685	ev_check_set (RETVAL);
		686	if (!ix) START (check, RETVAL);
		687	OUTPUT:
		688	RETVAL
		689
		690	ev_fork *fork (SV *cb)
		691	ALIAS:
		692	fork_ns = 1
		693	CODE:
		694	RETVAL = e_new (sizeof (ev_fork), cb, default_loop_sv);
		695	ev_fork_set (RETVAL);
		696	if (!ix) START (fork, RETVAL);
		697	OUTPUT:
		698	RETVAL
		699
		700
		701	ev_child *child (int pid, int trace, SV *cb)
		702	ALIAS:
		703	child_ns = 1
		704	CODE:
		705	#if EV_CHILD_ENABLE
		706	RETVAL = e_new (sizeof (ev_child), cb, default_loop_sv);
		707	ev_child_set (RETVAL, pid, trace);
		708	if (!ix) START (child, RETVAL);
		709	#else
		710	croak ("EV::child watchers not supported on this platform");
		711	#endif
		712	OUTPUT:
		713	RETVAL
		714
		715
		716	ev_stat *stat (SV *path, NV interval, SV *cb)
		717	ALIAS:
		718	stat_ns = 1
		719	CODE:
		720	RETVAL = e_new (sizeof (ev_stat), cb, default_loop_sv);
		721	e_fh (RETVAL) = newSVsv (path);
		722	ev_stat_set (RETVAL, SvPVbyte_nolen (e_fh (RETVAL)), interval);
429	if (!ix) e_start (RETVAL);	723	if (!ix) START (stat, RETVAL);
430	OUTPUT:	724	OUTPUT:
431	RETVAL	725	RETVAL
		726
		727	ev_embed *embed (struct ev_loop *loop, SV *cb = 0)
		728	ALIAS:
		729	embed_ns = 1
		730	CODE:
		731	{
		732	if (!(ev_backend (loop) & ev_embeddable_backends ()))
		733	croak ("passed loop is not embeddable via EV::embed,");
		734
		735	RETVAL = e_new (sizeof (ev_embed), cb, default_loop_sv);
		736	e_fh (RETVAL) = newSVsv (ST (0));
		737	ev_embed_set (RETVAL, loop);
		738	if (!ix) START (embed, RETVAL);
		739	}
		740	OUTPUT:
		741	RETVAL
		742
		743	ev_async *async (SV *cb)
		744	ALIAS:
		745	async_ns = 1
		746	CODE:
		747	RETVAL = e_new (sizeof (ev_async), cb, default_loop_sv);
		748	ev_async_set (RETVAL);
		749	if (!ix) START (async, RETVAL);
		750	OUTPUT:
		751	RETVAL
		752
		753	void once (SV *fh, int events, SV *timeout, SV *cb)
		754	CODE:
		755	ev_once (
		756	evapi.default_loop,
		757	s_fileno (fh, events & EV_WRITE), events,
		758	SvOK (timeout) ? SvNV (timeout) : -1.,
		759	e_once_cb,
		760	newSVsv (cb)
		761	);
432		762
433	PROTOTYPES: DISABLE	763	PROTOTYPES: DISABLE
434		764
435
436	MODULE = EV PACKAGE = EV::Base PREFIX = event_base_
437
438	Base new ()
439	CODE:
440	RETVAL = event_init ();
441	OUTPUT:
442	RETVAL
443
444	int event_base_dispatch (Base base)
445
446	int event_base_loop (Base base, int flags = 0)
447
448	int event_base_loopexit (Base base, double after)
449	CODE:
450	{
451	struct timeval tv;
452	tv.tv_sec = (long)after;
453	tv.tv_usec = (long)(after - tv.tv_sec) * 1e6;
454	event_base_loopexit (base, &tv);
455	}
456
457	int event_base_priority_init (Base base, int npri)
458
459	void event_base_set (Base base, Event ev)
460	C_ARGS: base, &ev->ev
461
462	void DESTROY (Base base)
463	CODE:
464	/*event_base_free (base);*/ /* causes too many problems */
465
466
467	MODULE = EV PACKAGE = EV::Event PREFIX = event_	765	MODULE = EV PACKAGE = EV::Watcher PREFIX = ev_
468		766
469	int event_priority_set (Event ev, int pri)	767	int ev_is_active (ev_watcher *w)
470	C_ARGS: &ev->ev, pri
471		768
472	int event_add (Event ev, double timeout = TIMEOUT_NONE)	769	int ev_is_pending (ev_watcher *w)
473	CODE:
474	ev->timeout = timeout;
475	ev->abstime = 0;
476	RETVAL = e_start (ev);
477	OUTPUT:
478	RETVAL
479		770
480	int event_start (Event ev)	771	void ev_invoke (ev_watcher *w, int revents = EV_NONE)
481	CODE:	772	C_ARGS: e_loop (w), w, revents
482	RETVAL = e_start (ev);
483	OUTPUT:
484	RETVAL
485		773
486	int event_del (Event ev)	774	int ev_clear_pending (ev_watcher *w)
487	ALIAS:	775	C_ARGS: e_loop (w), w
488	stop = 0
489	CODE:
490	RETVAL = e_stop (ev);
491	OUTPUT:
492	RETVAL
493		776
494	void DESTROY (Event ev)	777	void ev_feed_event (ev_watcher *w, int revents = EV_NONE)
495	CODE:	778	C_ARGS: e_loop (w), w, revents
496	e_stop (ev);
497	SvREFCNT_dec (ev->cb);
498	SvREFCNT_dec (ev->fh);
499		779
		780	int keepalive (ev_watcher *w, int new_value = 0)
		781	CODE:
		782	{
		783	RETVAL = w->e_flags & WFLAG_KEEPALIVE;
		784	new_value = new_value ? WFLAG_KEEPALIVE : 0;
		785
		786	if (items > 1 && ((new_value ^ w->e_flags) & WFLAG_KEEPALIVE))
		787	{
		788	w->e_flags = (w->e_flags & ~WFLAG_KEEPALIVE) | new_value;
		789	REF (w);
		790	UNREF (w);
		791	}
		792	}
		793	OUTPUT:
		794	RETVAL
		795
500	SV *cb (Event ev, SV *new_cb = 0)	796	SV *cb (ev_watcher *w, SV *new_cb = 0)
501	CODE:	797	CODE:
502	RETVAL = newSVsv (ev->cb);	798	{
503	if (items > 1)
504	sv_setsv (ev->cb, new_cb);
505	OUTPUT:
506	RETVAL
507
508	SV *fh (Event ev, SV *new_fh = 0)
509	CODE:
510	RETVAL = newSVsv (ev->fh);
511	if (items > 1)	799	if (items > 1)
512	{	800	{
513	if (ev->active) event_del (&ev->ev);	801	new_cb = s_get_cv_croak (new_cb);
514	sv_setsv (ev->fh, new_fh);	802	RETVAL = newRV_noinc (w->cb_sv);
515	ev->ev.ev_fd = sv_fileno (ev->fh);	803	w->cb_sv = SvREFCNT_inc (new_cb);
516	ev->ev.ev_events &= ev->ev.ev_events & ~EV_SIGNAL;
517	if (ev->active) event_add (&ev->ev, e_tv (ev));
518	}	804	}
		805	else
		806	RETVAL = newRV_inc (w->cb_sv);
		807	}
519	OUTPUT:	808	OUTPUT:
520	RETVAL	809	RETVAL
521		810
522	SV *signal (Event ev, SV *new_signal = 0)	811	SV *data (ev_watcher *w, SV *new_data = 0)
523	CODE:	812	CODE:
524	{	813	{
525	Signal signum;	814	RETVAL = w->data ? newSVsv (w->data) : &PL_sv_undef;
526
527	if (items > 1)
528	signum = sv_signum (new_signal); /* may croak here */
529
530	RETVAL = newSVsv (ev->fh);
531		815
532	if (items > 1)	816	if (items > 1)
533	{	817	{
534	if (ev->active) event_del (&ev->ev);	818	SvREFCNT_dec (w->data);
535	sv_setsv (ev->fh, new_signal);	819	w->data = newSVsv (new_data);
536	ev->ev.ev_fd = signum;
537	ev->ev.ev_events |= EV_SIGNAL;
538	if (ev->active) event_add (&ev->ev, e_tv (ev));
539	}	820	}
540	}	821	}
541	OUTPUT:	822	OUTPUT:
542	RETVAL	823	RETVAL
543		824
544	short events (Event ev, short new_events = EV_UNDEF)	825	SV *loop (ev_watcher *w)
545	CODE:	826	CODE:
546	RETVAL = ev->ev.ev_events;	827	RETVAL = newRV_inc (w->loop);
		828	OUTPUT:
		829	RETVAL
		830
		831	int priority (ev_watcher *w, int new_priority = 0)
		832	CODE:
		833	{
		834	RETVAL = w->priority;
		835
547	if (items > 1)	836	if (items > 1)
548	{	837	{
549	if (ev->active) event_del (&ev->ev);	838	int active = ev_is_active (w);
550	ev->ev.ev_events = new_events;	839
551	if (ev->active) event_add (&ev->ev, e_tv (ev));	840	if (active)
		841	{
		842	/* grrr. */
		843	PUSHMARK (SP);
		844	XPUSHs (ST (0));
		845	PUTBACK;
		846	call_method ("stop", G_DISCARD | G_VOID);
		847	}
		848
		849	ev_set_priority (w, new_priority);
		850
		851	if (active)
		852	{
		853	PUSHMARK (SP);
		854	XPUSHs (ST (0));
		855	PUTBACK;
		856	call_method ("start", G_DISCARD | G_VOID);
		857	}
552	}	858	}
		859	}
553	OUTPUT:	860	OUTPUT:
554	RETVAL	861	RETVAL
555		862
556	double timeout (Event ev, double new_timeout = 0., int repeat = 0)	863	MODULE = EV PACKAGE = EV::IO PREFIX = ev_io_
		864
		865	void ev_io_start (ev_io *w)
557	CODE:	866	CODE:
558	RETVAL = ev->timeout;	867	START (io, w);
		868
		869	void ev_io_stop (ev_io *w)
		870	CODE:
		871	STOP (io, w);
		872
		873	void DESTROY (ev_io *w)
		874	CODE:
		875	STOP (io, w);
		876	e_destroy (w);
		877
		878	void set (ev_io *w, SV *fh, int events)
		879	CODE:
		880	{
		881	int fd = s_fileno (fh, events & EV_WRITE);
		882	CHECK_FD (fh, fd);
		883
		884	sv_setsv (e_fh (w), fh);
		885	RESET (io, w, (w, fd, events));
		886	}
		887
		888	SV *fh (ev_io *w, SV *new_fh = 0)
		889	CODE:
		890	{
559	if (items > 1)	891	if (items > 1)
560	{	892	{
561	if (ev->active) event_del (&ev->ev);	893	int fd = s_fileno (new_fh, w->events & EV_WRITE);
562	ev->timeout = new_timeout;	894	CHECK_FD (new_fh, fd);
563	ev->interval = repeat;	895
564	ev->abstime = 0;	896	RETVAL = e_fh (w);
565	if (ev->active) event_add (&ev->ev, e_tv (ev));	897	e_fh (w) = newSVsv (new_fh);
		898
		899	RESET (io, w, (w, fd, w->events));
566	}	900	}
		901	else
		902	RETVAL = newSVsv (e_fh (w));
		903	}
567	OUTPUT:	904	OUTPUT:
568	RETVAL	905	RETVAL
569		906
570	void timeout_abs (Event ev, double at, double interval = 0.)	907	int events (ev_io *w, int new_events = EV_UNDEF)
571	CODE:	908	CODE:
572	if (ev->active) event_del (&ev->ev);	909	{
573	ev->timeout = at;	910	RETVAL = w->events;
574	ev->interval = interval;
575	ev->abstime = 1;
576	if (ev->active) event_add (&ev->ev, e_tv (ev));
577		911
		912	if (items > 1)
		913	RESET (io, w, (w, w->fd, new_events));
		914	}
		915	OUTPUT:
		916	RETVAL
578		917
579	MODULE = EV PACKAGE = EV::DNS PREFIX = evdns_	918	MODULE = EV PACKAGE = EV::Signal PREFIX = ev_signal_
580		919
581	BOOT:	920	void ev_signal_start (ev_signal *w)
582	{	921	CODE:
583	HV *stash = gv_stashpv ("EV::DNS", 1);	922	START_SIGNAL (w);
584		923
585	static const struct {	924	void ev_signal_stop (ev_signal *w)
586	const char *name;	925	CODE:
587	IV iv;	926	STOP (signal, w);
588	} *civ, const_iv[] = {
589	# define const_iv(pfx, name) { # name, (IV) pfx ## name },
590	const_iv (DNS_, ERR_NONE)
591	const_iv (DNS_, ERR_FORMAT)
592	const_iv (DNS_, ERR_SERVERFAILED)
593	const_iv (DNS_, ERR_NOTEXIST)
594	const_iv (DNS_, ERR_NOTIMPL)
595	const_iv (DNS_, ERR_REFUSED)
596	const_iv (DNS_, ERR_TRUNCATED)
597	const_iv (DNS_, ERR_UNKNOWN)
598	const_iv (DNS_, ERR_TIMEOUT)
599	const_iv (DNS_, ERR_SHUTDOWN)
600	const_iv (DNS_, IPv4_A)
601	const_iv (DNS_, PTR)
602	const_iv (DNS_, IPv6_AAAA)
603	const_iv (DNS_, QUERY_NO_SEARCH)
604	const_iv (DNS_, OPTION_SEARCH)
605	const_iv (DNS_, OPTION_NAMESERVERS)
606	const_iv (DNS_, OPTION_MISC)
607	const_iv (DNS_, OPTIONS_ALL)
608	const_iv (DNS_, NO_SEARCH)
609	};
610		927
611	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	928	void DESTROY (ev_signal *w)
612	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	929	CODE:
613	}	930	STOP (signal, w);
		931	e_destroy (w);
614		932
615	int evdns_init ()	933	void set (ev_signal *w, SV *signal)
		934	CODE:
		935	{
		936	Signal signum = s_signum (signal);
		937	CHECK_SIG (signal, signum);
616		938
617	void evdns_shutdown (int fail_requests = 1)	939	RESET_SIGNAL (w, (w, signum));
		940	}
618		941
619	const char *evdns_err_to_string (int err)	942	int signal (ev_signal *w, SV *new_signal = 0)
		943	CODE:
		944	{
		945	RETVAL = w->signum;
620		946
621	int evdns_nameserver_add (U32 address)	947	if (items > 1)
		948	{
		949	Signal signum = s_signum (new_signal);
		950	CHECK_SIG (new_signal, signum);
622		951
623	int evdns_count_nameservers ()	952	RESET_SIGNAL (w, (w, signum));
		953	}
		954	}
		955	OUTPUT:
		956	RETVAL
624		957
625	int evdns_clear_nameservers_and_suspend ()	958	MODULE = EV PACKAGE = EV::Timer PREFIX = ev_timer_
626		959
627	int evdns_resume ()	960	void ev_timer_start (ev_timer *w)
		961	INIT:
		962	CHECK_REPEAT (w->repeat);
		963	CODE:
		964	START (timer, w);
628		965
629	int evdns_nameserver_ip_add (char *ip_as_string)	966	void ev_timer_stop (ev_timer *w)
		967	CODE:
		968	STOP (timer, w);
630		969
631	int evdns_resolve_ipv4 (const char *name, int flags, SV *cb)	970	void ev_timer_again (ev_timer *w)
632	C_ARGS: name, flags, dns_cb, (void *)SvREFCNT_inc (cb)	971	INIT:
633		972	CHECK_REPEAT (w->repeat);
634	int evdns_resolve_ipv6 (const char *name, int flags, SV *cb)
635	C_ARGS: name, flags, dns_cb, (void *)SvREFCNT_inc (cb)
636
637	int evdns_resolve_reverse (SV *addr, int flags, SV *cb)
638	ALIAS:
639	evdns_resolve_reverse_ipv6 = 1
640	CODE:	973	CODE:
641	{	974	ev_timer_again (e_loop (w), w);
642	STRLEN len;	975	UNREF (w);
643	char *data = SvPVbyte (addr, len);
644	if (len != (ix ? 16 : 4))
645	croak ("ipv4/ipv6 address to be resolved must be given as 4/16 byte octet string");
646		976
		977	NV ev_timer_remaining (ev_timer *w)
		978	C_ARGS: e_loop (w), w
		979
		980	void DESTROY (ev_timer *w)
		981	CODE:
		982	STOP (timer, w);
		983	e_destroy (w);
		984
		985	void set (ev_timer *w, NV after, NV repeat = 0.)
		986	INIT:
		987	CHECK_REPEAT (repeat);
		988	CODE:
		989	RESET (timer, w, (w, after, repeat));
		990
		991	MODULE = EV PACKAGE = EV::Periodic PREFIX = ev_periodic_
		992
		993	void ev_periodic_start (ev_periodic *w)
		994	INIT:
		995	CHECK_REPEAT (w->interval);
		996	CODE:
		997	START (periodic, w);
		998
		999	void ev_periodic_stop (ev_periodic *w)
		1000	CODE:
		1001	STOP (periodic, w);
		1002
		1003	void ev_periodic_again (ev_periodic *w)
		1004	CODE:
		1005	ev_periodic_again (e_loop (w), w);
		1006	UNREF (w);
		1007
		1008	void DESTROY (ev_periodic *w)
		1009	CODE:
		1010	STOP (periodic, w);
		1011	e_destroy (w);
		1012
		1013	void set (ev_periodic *w, NV at, NV interval = 0., SV *reschedule_cb = &PL_sv_undef)
		1014	INIT:
		1015	CHECK_REPEAT (interval);
		1016	CODE:
		1017	{
		1018	SvREFCNT_dec (e_fh (w));
		1019	e_fh (w) = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
		1020
		1021	RESET (periodic, w, (w, at, interval, e_fh (w) ? e_periodic_cb : 0));
		1022	}
		1023
		1024	NV at (ev_periodic *w)
		1025	CODE:
		1026	RETVAL = ev_periodic_at (w);
		1027	OUTPUT:
647	RETVAL = ix	1028	RETVAL
648	? evdns_resolve_reverse_ipv6 ((struct in6_addr *)data, flags, dns_cb, (void *)SvREFCNT_inc (cb))
649	: evdns_resolve_reverse ((struct in_addr *)data, flags, dns_cb, (void *)SvREFCNT_inc (cb));
650	}
651	OUTPUT:
652	RETVAL
653		1029
654	int evdns_set_option (char *option, char *val, int flags)	1030	MODULE = EV PACKAGE = EV::Idle PREFIX = ev_idle_
655		1031
656	int evdns_resolv_conf_parse (int flags, const char *filename)	1032	void ev_idle_start (ev_idle *w)
		1033	CODE:
		1034	START (idle, w);
657		1035
658	#ifdef MS_WINDOWS	1036	void ev_idle_stop (ev_idle *w)
		1037	CODE:
		1038	STOP (idle, w);
659		1039
660	int evdns_config_windows_nameservers ()	1040	void DESTROY (ev_idle *w)
		1041	CODE:
		1042	STOP (idle, w);
		1043	e_destroy (w);
		1044
		1045	MODULE = EV PACKAGE = EV::Prepare PREFIX = ev_prepare_
		1046
		1047	void ev_prepare_start (ev_prepare *w)
		1048	CODE:
		1049	START (prepare, w);
		1050
		1051	void ev_prepare_stop (ev_prepare *w)
		1052	CODE:
		1053	STOP (prepare, w);
		1054
		1055	void DESTROY (ev_prepare *w)
		1056	CODE:
		1057	STOP (prepare, w);
		1058	e_destroy (w);
		1059
		1060	MODULE = EV PACKAGE = EV::Check PREFIX = ev_check_
		1061
		1062	void ev_check_start (ev_check *w)
		1063	CODE:
		1064	START (check, w);
		1065
		1066	void ev_check_stop (ev_check *w)
		1067	CODE:
		1068	STOP (check, w);
		1069
		1070	void DESTROY (ev_check *w)
		1071	CODE:
		1072	STOP (check, w);
		1073	e_destroy (w);
		1074
		1075	MODULE = EV PACKAGE = EV::Fork PREFIX = ev_fork_
		1076
		1077	void ev_fork_start (ev_fork *w)
		1078	CODE:
		1079	START (fork, w);
		1080
		1081	void ev_fork_stop (ev_fork *w)
		1082	CODE:
		1083	STOP (fork, w);
		1084
		1085	void DESTROY (ev_fork *w)
		1086	CODE:
		1087	STOP (fork, w);
		1088	e_destroy (w);
		1089
		1090	MODULE = EV PACKAGE = EV::Child PREFIX = ev_child_
		1091
		1092	#if EV_CHILD_ENABLE
		1093
		1094	void ev_child_start (ev_child *w)
		1095	CODE:
		1096	START (child, w);
		1097
		1098	void ev_child_stop (ev_child *w)
		1099	CODE:
		1100	STOP (child, w);
		1101
		1102	void DESTROY (ev_child *w)
		1103	CODE:
		1104	STOP (child, w);
		1105	e_destroy (w);
		1106
		1107	void set (ev_child *w, int pid, int trace)
		1108	CODE:
		1109	RESET (child, w, (w, pid, trace));
		1110
		1111	int pid (ev_child *w)
		1112	ALIAS:
		1113	rpid = 1
		1114	rstatus = 2
		1115	CODE:
		1116	RETVAL = ix == 0 ? w->pid
		1117	: ix == 1 ? w->rpid
		1118	: w->rstatus;
		1119	OUTPUT:
		1120	RETVAL
661		1121
662	#endif	1122	#endif
663		1123
664	void evdns_search_clear ()	1124	MODULE = EV PACKAGE = EV::Stat PREFIX = ev_stat_
665		1125
666	void evdns_search_add (char *domain)	1126	void ev_stat_start (ev_stat *w)
		1127	CODE:
		1128	START (stat, w);
667		1129
668	void evdns_search_ndots_set (int ndots)	1130	void ev_stat_stop (ev_stat *w)
		1131	CODE:
		1132	STOP (stat, w);
669		1133
		1134	void DESTROY (ev_stat *w)
		1135	CODE:
		1136	STOP (stat, w);
		1137	e_destroy (w);
670		1138
		1139	void set (ev_stat *w, SV *path, NV interval)
		1140	CODE:
		1141	{
		1142	sv_setsv (e_fh (w), path);
		1143	RESET (stat, w, (w, SvPVbyte_nolen (e_fh (w)), interval));
		1144	}
		1145
		1146	SV *path (ev_stat *w, SV *new_path = 0)
		1147	CODE:
		1148	{
		1149	RETVAL = SvREFCNT_inc (e_fh (w));
		1150
		1151	if (items > 1)
		1152	{
		1153	SvREFCNT_dec (e_fh (w));
		1154	e_fh (w) = newSVsv (new_path);
		1155	RESET (stat, w, (w, SvPVbyte_nolen (e_fh (w)), w->interval));
		1156	}
		1157	}
		1158	OUTPUT:
		1159	RETVAL
		1160
		1161	NV interval (ev_stat *w, NV new_interval = 0.)
		1162	CODE:
		1163	{
		1164	RETVAL = w->interval;
		1165
		1166	if (items > 1)
		1167	RESET (stat, w, (w, SvPVbyte_nolen (e_fh (w)), new_interval));
		1168	}
		1169	OUTPUT:
		1170	RETVAL
		1171
		1172	void prev (ev_stat *w)
		1173	ALIAS:
		1174	stat = 1
		1175	attr = 2
		1176	PPCODE:
		1177	{
		1178	ev_statdata *s = ix ? &w->attr : &w->prev;
		1179
		1180	if (ix == 1)
		1181	ev_stat_stat (e_loop (w), w);
		1182	else if (!s->st_nlink)
		1183	errno = ENOENT;
		1184
		1185	PL_statcache.st_dev = s->st_nlink;
		1186	PL_statcache.st_ino = s->st_ino;
		1187	PL_statcache.st_mode = s->st_mode;
		1188	PL_statcache.st_nlink = s->st_nlink;
		1189	PL_statcache.st_uid = s->st_uid;
		1190	PL_statcache.st_gid = s->st_gid;
		1191	PL_statcache.st_rdev = s->st_rdev;
		1192	PL_statcache.st_size = s->st_size;
		1193	PL_statcache.st_atime = s->st_atime;
		1194	PL_statcache.st_mtime = s->st_mtime;
		1195	PL_statcache.st_ctime = s->st_ctime;
		1196
		1197	if (GIMME_V == G_SCALAR)
		1198	XPUSHs (boolSV (s->st_nlink));
		1199	else if (GIMME_V == G_ARRAY && s->st_nlink)
		1200	{
		1201	EXTEND (SP, 13);
		1202	PUSHs (sv_2mortal (newSViv (s->st_dev)));
		1203	PUSHs (sv_2mortal (newSViv (s->st_ino)));
		1204	PUSHs (sv_2mortal (newSVuv (s->st_mode)));
		1205	PUSHs (sv_2mortal (newSVuv (s->st_nlink)));
		1206	PUSHs (sv_2mortal (newSViv (s->st_uid)));
		1207	PUSHs (sv_2mortal (newSViv (s->st_gid)));
		1208	PUSHs (sv_2mortal (newSViv (s->st_rdev)));
		1209	PUSHs (sv_2mortal (newSVnv ((NV)s->st_size)));
		1210	PUSHs (sv_2mortal (newSVnv (s->st_atime)));
		1211	PUSHs (sv_2mortal (newSVnv (s->st_mtime)));
		1212	PUSHs (sv_2mortal (newSVnv (s->st_ctime)));
		1213	PUSHs (sv_2mortal (newSVuv (4096)));
		1214	PUSHs (sv_2mortal (newSVnv ((NV)((s->st_size + 4095) / 4096))));
		1215	}
		1216	}
		1217
		1218	MODULE = EV PACKAGE = EV::Embed PREFIX = ev_embed_
		1219
		1220	void ev_embed_start (ev_embed *w)
		1221	CODE:
		1222	START (embed, w);
		1223
		1224	void ev_embed_stop (ev_embed *w)
		1225	CODE:
		1226	STOP (embed, w);
		1227
		1228	void DESTROY (ev_embed *w)
		1229	CODE:
		1230	STOP (embed, w);
		1231	e_destroy (w);
		1232
		1233	void set (ev_embed *w, struct ev_loop *loop)
		1234	CODE:
		1235	{
		1236	sv_setsv (e_fh (w), ST (1));
		1237	RESET (embed, w, (w, loop));
		1238	}
		1239
		1240	SV *other (ev_embed *w)
		1241	CODE:
		1242	RETVAL = newSVsv (e_fh (w));
		1243	OUTPUT:
		1244	RETVAL
		1245
		1246	void ev_embed_sweep (ev_embed *w)
		1247	C_ARGS: e_loop (w), w
		1248
		1249	MODULE = EV PACKAGE = EV::Async PREFIX = ev_async_
		1250
		1251	void ev_async_start (ev_async *w)
		1252	CODE:
		1253	START (async, w);
		1254
		1255	void ev_async_stop (ev_async *w)
		1256	CODE:
		1257	STOP (async, w);
		1258
		1259	void DESTROY (ev_async *w)
		1260	CODE:
		1261	STOP (async, w);
		1262	e_destroy (w);
		1263
		1264	void ev_async_send (ev_async *w)
		1265	C_ARGS: e_loop (w), w
		1266
		1267	SV *ev_async_async_pending (ev_async *w)
		1268	CODE:
		1269	RETVAL = boolSV (ev_async_pending (w));
		1270	OUTPUT:
		1271	RETVAL
		1272
671	MODULE = EV PACKAGE = EV::HTTP PREFIX = evhttp_	1273	MODULE = EV PACKAGE = EV::Loop PREFIX = ev_
672		1274
673	BOOT:	1275	SV *new (SV *klass, unsigned int flags = 0)
		1276	CODE:
674	{	1277	{
675	HV *stash = gv_stashpv ("EV::HTTP", 1);	1278	struct ev_loop *loop = ev_loop_new (flags);
676		1279
677	static const struct {	1280	if (!loop)
678	const char *name;	1281	XSRETURN_UNDEF;
679	IV iv;
680	} *civ, const_iv[] = {
681	# define const_iv(pfx, name) { # name, (IV) pfx ## name },
682	const_iv (HTTP_, OK)
683	const_iv (HTTP_, NOCONTENT)
684	const_iv (HTTP_, MOVEPERM)
685	const_iv (HTTP_, MOVETEMP)
686	const_iv (HTTP_, NOTMODIFIED)
687	const_iv (HTTP_, BADREQUEST)
688	const_iv (HTTP_, NOTFOUND)
689	const_iv (HTTP_, SERVUNAVAIL)
690	const_iv (EVHTTP_, REQ_OWN_CONNECTION)
691	const_iv (EVHTTP_, PROXY_REQUEST)
692	const_iv (EVHTTP_, REQ_GET)
693	const_iv (EVHTTP_, REQ_POST)
694	const_iv (EVHTTP_, REQ_HEAD)
695	const_iv (EVHTTP_, REQUEST)
696	const_iv (EVHTTP_, RESPONSE)
697	};
698		1282
699	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1283	RETVAL = sv_bless (newRV_noinc (newSViv (PTR2IV (loop))), stash_loop);
700	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
701	}	1284	}
		1285	OUTPUT:
		1286	RETVAL
702		1287
703	MODULE = EV PACKAGE = EV::HTTP::Request PREFIX = evhttp_request_	1288	void DESTROY (struct ev_loop *loop)
		1289	CODE:
		1290	if (loop != evapi.default_loop) /* global destruction sucks */
		1291	ev_loop_destroy (loop);
704		1292
705	#HttpRequest new (SV *klass, SV *cb)	1293	void ev_loop_fork (struct ev_loop *loop)
706		1294
707	#void DESTROY (struct evhttp_request *req);	1295	void ev_verify (struct ev_loop *loop)
708		1296
		1297	NV ev_now (struct ev_loop *loop)
709		1298
		1299	void ev_now_update (struct ev_loop *loop)
710		1300
		1301	void ev_suspend (struct ev_loop *loop)
711		1302
		1303	void ev_resume (struct ev_loop *loop)
712		1304
		1305	void ev_set_io_collect_interval (struct ev_loop *loop, NV interval)
713		1306
		1307	void ev_set_timeout_collect_interval (struct ev_loop *loop, NV interval)
714		1308
		1309	unsigned int ev_backend (struct ev_loop *loop)
715		1310
		1311	unsigned int ev_iteration (struct ev_loop *loop)
		1312
		1313	unsigned int ev_depth (struct ev_loop *loop)
		1314
		1315	void ev_loop (struct ev_loop *loop, int flags = 0)
		1316
		1317	void ev_unloop (struct ev_loop *loop, int how = 1)
		1318
		1319	void ev_feed_fd_event (struct ev_loop *loop, int fd, int revents = EV_NONE)
		1320
		1321	unsigned int ev_pending_count (struct ev_loop *loop)
		1322
		1323	void ev_invoke_pending (struct ev_loop *loop)
		1324
		1325	#if 0
		1326
		1327	void ev_feed_signal_event (struct ev_loop *loop, SV *signal)
		1328	CODE:
		1329	{
		1330	Signal signum = s_signum (signal);
		1331	CHECK_SIG (signal, signum);
		1332
		1333	ev_feed_signal_event (loop, signum);
		1334	}
		1335
		1336	#endif
		1337
		1338	ev_io *io (struct ev_loop *loop, SV *fh, int events, SV *cb)
		1339	ALIAS:
		1340	io_ns = 1
		1341	CODE:
		1342	{
		1343	int fd = s_fileno (fh, events & EV_WRITE);
		1344	CHECK_FD (fh, fd);
		1345
		1346	RETVAL = e_new (sizeof (ev_io), cb, ST (0));
		1347	e_fh (RETVAL) = newSVsv (fh);
		1348	ev_io_set (RETVAL, fd, events);
		1349	if (!ix) START (io, RETVAL);
		1350	}
		1351	OUTPUT:
		1352	RETVAL
		1353
		1354	ev_timer *timer (struct ev_loop *loop, NV after, NV repeat, SV *cb)
		1355	ALIAS:
		1356	timer_ns = 1
		1357	INIT:
		1358	CHECK_REPEAT (repeat);
		1359	CODE:
		1360	RETVAL = e_new (sizeof (ev_timer), cb, ST (0));
		1361	ev_timer_set (RETVAL, after, repeat);
		1362	if (!ix) START (timer, RETVAL);
		1363	OUTPUT:
		1364	RETVAL
		1365
		1366	SV *periodic (struct ev_loop *loop, NV at, NV interval, SV *reschedule_cb, SV *cb)
		1367	ALIAS:
		1368	periodic_ns = 1
		1369	INIT:
		1370	CHECK_REPEAT (interval);
		1371	CODE:
		1372	{
		1373	ev_periodic *w;
		1374	w = e_new (sizeof (ev_periodic), cb, ST (0));
		1375	e_fh (w) = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
		1376	ev_periodic_set (w, at, interval, e_fh (w) ? e_periodic_cb : 0);
		1377	RETVAL = e_bless ((ev_watcher *)w, stash_periodic);
		1378	if (!ix) START (periodic, w);
		1379	}
		1380	OUTPUT:
		1381	RETVAL
		1382
		1383	ev_signal *signal (struct ev_loop *loop, SV *signal, SV *cb)
		1384	ALIAS:
		1385	signal_ns = 1
		1386	CODE:
		1387	{
		1388	Signal signum = s_signum (signal);
		1389	CHECK_SIG (signal, signum);
		1390
		1391	RETVAL = e_new (sizeof (ev_signal), cb, ST (0));
		1392	ev_signal_set (RETVAL, signum);
		1393	if (!ix) START_SIGNAL (RETVAL);
		1394	}
		1395	OUTPUT:
		1396	RETVAL
		1397
		1398	ev_idle *idle (struct ev_loop *loop, SV *cb)
		1399	ALIAS:
		1400	idle_ns = 1
		1401	CODE:
		1402	RETVAL = e_new (sizeof (ev_idle), cb, ST (0));
		1403	ev_idle_set (RETVAL);
		1404	if (!ix) START (idle, RETVAL);
		1405	OUTPUT:
		1406	RETVAL
		1407
		1408	ev_prepare *prepare (struct ev_loop *loop, SV *cb)
		1409	ALIAS:
		1410	prepare_ns = 1
		1411	CODE:
		1412	RETVAL = e_new (sizeof (ev_prepare), cb, ST (0));
		1413	ev_prepare_set (RETVAL);
		1414	if (!ix) START (prepare, RETVAL);
		1415	OUTPUT:
		1416	RETVAL
		1417
		1418	ev_check *check (struct ev_loop *loop, SV *cb)
		1419	ALIAS:
		1420	check_ns = 1
		1421	CODE:
		1422	RETVAL = e_new (sizeof (ev_check), cb, ST (0));
		1423	ev_check_set (RETVAL);
		1424	if (!ix) START (check, RETVAL);
		1425	OUTPUT:
		1426	RETVAL
		1427
		1428	ev_fork *fork (struct ev_loop *loop, SV *cb)
		1429	ALIAS:
		1430	fork_ns = 1
		1431	CODE:
		1432	RETVAL = e_new (sizeof (ev_fork), cb, ST (0));
		1433	ev_fork_set (RETVAL);
		1434	if (!ix) START (fork, RETVAL);
		1435	OUTPUT:
		1436	RETVAL
		1437
		1438
		1439	ev_child *child (struct ev_loop *loop, int pid, int trace, SV *cb)
		1440	ALIAS:
		1441	child_ns = 1
		1442	CODE:
		1443	#if EV_CHILD_ENABLE
		1444	RETVAL = e_new (sizeof (ev_child), cb, ST (0));
		1445	ev_child_set (RETVAL, pid, trace);
		1446	if (!ix) START (child, RETVAL);
		1447	#else
		1448	croak ("EV::child watchers not supported on this platform");
		1449	#endif
		1450	OUTPUT:
		1451	RETVAL
		1452
		1453	ev_stat *stat (struct ev_loop *loop, SV *path, NV interval, SV *cb)
		1454	ALIAS:
		1455	stat_ns = 1
		1456	CODE:
		1457	RETVAL = e_new (sizeof (ev_stat), cb, ST (0));
		1458	e_fh (RETVAL) = newSVsv (path);
		1459	ev_stat_set (RETVAL, SvPVbyte_nolen (e_fh (RETVAL)), interval);
		1460	if (!ix) START (stat, RETVAL);
		1461	OUTPUT:
		1462	RETVAL
		1463
		1464	ev_embed *embed (struct ev_loop *loop, struct ev_loop *other, SV *cb = 0)
		1465	ALIAS:
		1466	embed_ns = 1
		1467	CODE:
		1468	{
		1469	if (!(ev_backend (other) & ev_embeddable_backends ()))
		1470	croak ("passed loop is not embeddable via EV::embed,");
		1471
		1472	RETVAL = e_new (sizeof (ev_embed), cb, ST (0));
		1473	e_fh (RETVAL) = newSVsv (ST (1));
		1474	ev_embed_set (RETVAL, other);
		1475	if (!ix) START (embed, RETVAL);
		1476	}
		1477	OUTPUT:
		1478	RETVAL
		1479
		1480	ev_async *async (struct ev_loop *loop, SV *cb)
		1481	ALIAS:
		1482	async_ns = 1
		1483	CODE:
		1484	RETVAL = e_new (sizeof (ev_async), cb, ST (0));
		1485	ev_async_set (RETVAL);
		1486	if (!ix) START (async, RETVAL);
		1487	OUTPUT:
		1488	RETVAL
		1489
		1490	void once (struct ev_loop *loop, SV *fh, int events, SV *timeout, SV *cb)
		1491	CODE:
		1492	ev_once (
		1493	loop,
		1494	s_fileno (fh, events & EV_WRITE), events,
		1495	SvOK (timeout) ? SvNV (timeout) : -1.,
		1496	e_once_cb,
		1497	newSVsv (cb)
		1498	);
		1499

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