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Comparing EV/EV.xs (file contents):
Revision 1.9 by root, Mon Oct 29 07:24:37 2007 UTC vs.
Revision 1.143 by root, Sat Oct 23 22:25:44 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
		20	#define EV_USE_NANOSLEEP EV_USE_MONOTONIC
		21	#define EV_H <ev.h>
		22	#define EV_CONFIG_H error
		23	#include "EV/EVAPI.h"
25		24
26	#define TIMEOUT_NONE HUGE_VAL	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"
27		33
28	typedef struct event_base *Base;	34	#if !defined(_WIN32) && !defined(_MINIX)
		35	# include <pthread.h>
		36	#endif
29		37
30	static HV *stash_base, *stash_event;	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
31		43
32	static double tv_get (struct timeval *tv)	44	#define WFLAG_KEEPALIVE 1
33	{	45	#define WFLAG_UNREFED 2 /* has been unref'ed */
34	return tv->tv_sec + tv->tv_usec * 1e-6;
35	}
36		46
37	static void tv_set (struct timeval *tv, double val)	47	#define UNREF(w) \
38	{	48	if (!(e_flags (w) & (WFLAG_KEEPALIVE | WFLAG_UNREFED)) \
39	tv->tv_sec = (long)val;	49	&& ev_is_active (w)) \
40	tv->tv_usec = (long)((val - (double)tv->tv_sec) * 1e6);	50	{ \
		51	ev_unref (e_loop (w)); \
		52	e_flags (w) |= WFLAG_UNREFED; \
		53	}
41		54
42	}	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
		82	typedef int Signal;
		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
		109	static struct EVAPI evapi;
		110
		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;
43		126
44	/////////////////////////////////////////////////////////////////////////////	127	/////////////////////////////////////////////////////////////////////////////
45	// Event	128	// Event
46		129
47	typedef struct ev {	130	static void e_cb (EV_P_ ev_watcher *w, int revents);
48	struct event ev;
49	SV *cb, *fh;
50	SV *self; /* contains this struct */
51	double timeout;
52	double interval;
53	unsigned char active;
54	unsigned char abstime;
55	} *Event;
56		131
57	static double	132	void *
58	e_now ()	133	e_new (int size, SV *cb_sv, SV *loop)
59	{	134	{
60	struct timeval tv;	135	SV *cv = cb_sv ? s_get_cv_croak (cb_sv) : 0;
61	gettimeofday (&tv, 0);	136	ev_watcher *w;
62
63	return tv_get (&tv);
64	}
65
66	static void e_cb (int fd, short events, void *arg);
67
68	static int sv_fileno (SV *fh)
69	{
70	SvGETMAGIC (fh);
71
72	if (SvROK (fh))
73	fh = SvRV (fh);
74
75	if (SvTYPE (fh) == SVt_PVGV)
76	return PerlIO_fileno (IoIFP (sv_2io (fh)));
77
78	if (SvIOK (fh))
79	return SvIV (fh);
80
81	return -1;
82	}
83
84	static Event
85	e_new (SV *fh, short events, SV *cb)
86	{
87	int fd = sv_fileno (fh);
88	Event ev;
89	SV *self = NEWSV (0, sizeof (struct ev));	137	SV *self = NEWSV (0, size);
90	SvPOK_only (self);	138	SvPOK_only (self);
91	SvCUR_set (self, sizeof (struct ev));	139	SvCUR_set (self, size);
92		140
93	ev = (Event)SvPVX (self);	141	w = (ev_watcher *)SvPVX (self);
94		142
95	ev->fh = newSVsv (fh);	143	ev_init (w, cv ? e_cb : 0);
96	ev->cb = newSVsv (cb);	144
		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);
97	ev->self = self;	150	w->self = self;
98	ev->timeout = TIMEOUT_NONE;
99	ev->interval = 0.;
100	ev->abstime = 0;
101	ev->active = 0;
102		151
103	event_set (&ev->ev, fd, events, e_cb, (void *)ev);	152	return (void *)w;
104
105	return ev;
106	}	153	}
107		154
108	static struct timeval *	155	static void
109	e_tv (Event ev)	156	e_destroy (void *w_)
110	{	157	{
111	static struct timeval tv;	158	ev_watcher *w = (ev_watcher *)w_;
112	double to = ev->timeout;
113		159
114	if (to == TIMEOUT_NONE)	160	SvREFCNT_dec (w->loop ); w->loop = 0;
115	return 0;	161	SvREFCNT_dec (w->fh ); w->fh = 0;
116		162	SvREFCNT_dec (w->cb_sv); w->cb_sv = 0;
117	if (ev->abstime)	163	SvREFCNT_dec (w->data ); w->data = 0;
118	{
119	double now = e_now ();
120
121	if (ev->interval)
122	ev->timeout = (to += ceil ((now - to) / ev->interval) * ev->interval);
123
124	to -= now;
125	}
126	else if (to < 0.)
127	to = 0.;
128
129	tv_set (&tv, to);
130
131	return &tv;
132	}	164	}
133		165
134	static SV *e_self (Event ev)	166	static SV *
		167	e_bless (ev_watcher *w, HV *stash)
135	{	168	{
136	SV *rv;	169	SV *rv;
137		170
138	if (SvOBJECT (ev->self))	171	if (SvOBJECT (w->self))
139	rv = newRV_inc (ev->self);	172	rv = newRV_inc (w->self);
140	else	173	else
141	{	174	{
142	rv = newRV_noinc (ev->self);	175	rv = newRV_noinc (w->self);
143	sv_bless (rv, stash_event);	176	sv_bless (rv, stash);
144	SvREADONLY_on (ev->self);	177	SvREADONLY_on (w->self);
145	}	178	}
146		179
147	return rv;	180	return rv;
148	}	181	}
149		182
150	static int	183	static SV *sv_self_cache, *sv_events_cache;
151	e_start (Event ev)
152	{
153	if (ev->active) event_del (&ev->ev);
154	ev->active = 1;
155	return event_add (&ev->ev, e_tv (ev));
156	}
157
158	static int e_stop (Event ev)
159	{
160	return ev->active
161	? (ev->active = 0), event_del (&ev->ev)
162	: 0;
163	}
164		184
165	static void	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));
		201	}
		202	else
		203	{
		204	sv_self = newRV_inc (w->self); /* e_self (w) MUST be blessed by now */
		205	SvREADONLY_on (sv_self);
		206	}
		207
		208	if (expect_true (sv_events_cache))
		209	{
		210	sv_events = sv_events_cache; sv_events_cache = 0;
		211	SvIV_set (sv_events, revents);
		212	}
		213	else
		214	{
		215	sv_events = newSViv (revents);
		216	SvREADONLY_on (sv_events);
		217	}
		218
		219	PUSHMARK (SP);
		220	EXTEND (SP, 2);
		221	PUSHs (sv_self);
		222	PUSHs (sv_events);
		223
		224	PUTBACK;
		225	call_sv (w->cb_sv, G_DISCARD | G_VOID | G_EVAL);
		226
		227	if (expect_false (SvREFCNT (sv_self) != 1 || sv_self_cache))
		228	SvREFCNT_dec (sv_self);
		229	else
		230	{
		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;
		251	}
		252
		253	static void
166	e_cb (int fd, short events, void *arg)	254	e_once_cb (int revents, void *arg)
167	{	255	{
168	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;
169	dSP;	298	dSP;
170		299
171	ENTER;	300	ENTER;
172	SAVETMPS;	301	SAVETMPS;
173		302
174	if (!(ev->ev.ev_events & EV_PERSIST) || (events & EV_TIMEOUT))
175	ev->active = 0;
176
177	PUSHMARK (SP);	303	PUSHMARK (SP);
178	EXTEND (SP, 2);	304	EXTEND (SP, 2);
179	PUSHs (sv_2mortal (e_self (ev)));	305	PUSHs (newRV_inc (e_self (w))); /* e_self (w) MUST be blessed by now */
180	PUSHs (sv_2mortal (newSViv (events)));	306	PUSHs (newSVnv (now));
		307
181	PUTBACK;	308	PUTBACK;
182	call_sv (ev->cb, G_DISCARD | G_VOID | G_EVAL);	309	count = call_sv (w->fh, G_SCALAR | G_EVAL);
183		310	SPAGAIN;
184	if (ev->interval && !ev->active)
185	e_start (ev);
186
187	FREETMPS;
188		311
189	if (SvTRUE (ERRSV))	312	if (SvTRUE (ERRSV))
190	{	313	{
191	PUSHMARK (SP);	314	PUSHMARK (SP);
192	PUTBACK;	315	PUTBACK;
193	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;
194	}	318	}
195		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;
196	LEAVE;	331	LEAVE;
197	}
198		332
199	/////////////////////////////////////////////////////////////////////////////	333	return retval;
200	// DNS
201
202	static void
203	dns_cb (int result, char type, int count, int ttl, void *addresses, void *arg)
204	{
205	dSP;
206	SV *cb = (SV *)arg;
207
208	ENTER;
209	SAVETMPS;
210	PUSHMARK (SP);
211	EXTEND (SP, count + 3);
212	PUSHs (sv_2mortal (newSViv (result)));
213
214	if (result == DNS_ERR_NONE && ttl >= 0)
215	{
216	int i;
217
218	PUSHs (sv_2mortal (newSViv (type)));
219	PUSHs (sv_2mortal (newSViv (ttl)));
220
221	for (i = 0; i < count; ++i)
222	switch (type)
223	{
224	case DNS_IPv6_AAAA:
225	PUSHs (sv_2mortal (newSVpvn (i * 16 + (char *)addresses, 16)));
226	break;
227	case DNS_IPv4_A:
228	PUSHs (sv_2mortal (newSVpvn (i * 4 + (char *)addresses, 4)));
229	break;
230	case DNS_PTR:
231	PUSHs (sv_2mortal (newSVpv (*(char **)addresses, 0)));
232	break;
233	}
234	}
235
236	PUTBACK;
237	call_sv (sv_2mortal (cb), G_DISCARD | G_VOID | G_EVAL);
238
239	FREETMPS;
240
241	if (SvTRUE (ERRSV))
242	{
243	PUSHMARK (SP);
244	PUTBACK;
245	call_sv (get_sv ("EV::DIED", 1), G_DISCARD | G_VOID | G_EVAL | G_KEEPERR);
246	}
247
248	LEAVE;
249	}	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));
250		344
251	/////////////////////////////////////////////////////////////////////////////	345	/////////////////////////////////////////////////////////////////////////////
252	// XS interface functions	346	// XS interface functions
253		347
254	MODULE = EV PACKAGE = EV PREFIX = event_	348	MODULE = EV PACKAGE = EV PREFIX = ev_
		349
		350	PROTOTYPES: ENABLE
255		351
256	BOOT:	352	BOOT:
257	{	353	{
258	HV *stash = gv_stashpv ("EV", 1);	354	HV *stash = gv_stashpv ("EV", 1);
259		355
260	static const struct {	356	static const struct {
261	const char *name;	357	const char *name;
262	IV iv;	358	IV iv;
263	} *civ, const_iv[] = {	359	} *civ, const_iv[] = {
264	# 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)
265	const_iv (EV_, NONE)	365	const_iv (EV_, NONE)
266	const_iv (EV_, TIMEOUT)
267	const_iv (EV_, READ)	366	const_iv (EV_, READ)
268	const_iv (EV_, WRITE)	367	const_iv (EV_, WRITE)
		368	const_iv (EV_, IO)
		369	const_iv (EV_, TIMEOUT)
		370	const_iv (EV_, PERIODIC)
269	const_iv (EV_, SIGNAL)	371	const_iv (EV_, SIGNAL)
		372	const_iv (EV_, CHILD)
270	const_iv (EV_, PERSIST)	373	const_iv (EV_, STAT)
		374	const_iv (EV_, IDLE)
		375	const_iv (EV_, PREPARE)
		376	const_iv (EV_, CHECK)
		377	const_iv (EV_, EMBED)
		378	const_iv (EV_, FORK)
		379	const_iv (EV_, ASYNC)
		380	const_iv (EV_, CUSTOM)
		381	const_iv (EV_, ERROR)
		382
		383	const_iv (EV, RUN_NOWAIT)
271	const_iv (EV, LOOP_ONCE)	384	const_iv (EV, RUN_ONCE)
		385
		386	const_iv (EV, BREAK_CANCEL)
		387	const_iv (EV, BREAK_ONE)
		388	const_iv (EV, BREAK_ALL)
		389	const_iv (EV, BACKEND_SELECT)
		390	const_iv (EV, BACKEND_POLL)
		391	const_iv (EV, BACKEND_EPOLL)
		392	const_iv (EV, BACKEND_KQUEUE)
		393	const_iv (EV, BACKEND_DEVPOLL)
		394	const_iv (EV, BACKEND_PORT)
		395	const_iv (EV, BACKEND_ALL)
		396	const_iv (EV, FLAG_AUTO)
		397	const_iv (EV, FLAG_FORKCHECK)
		398	const_iv (EV, FLAG_SIGNALFD)
		399	const_iv (EV, FLAG_NOENV)
		400	const_iv (EV, FLAG_NOSIGFD) /* compatibility, always 0 */
		401	const_iv (EV, FLAG_NOINOTIFY)
		402
		403	const_iv (EV_, VERSION_MAJOR)
		404	const_iv (EV_, VERSION_MINOR)
		405	#if EV_COMPAT3
		406	const_iv (EV_, TIMER)
		407
272	const_iv (EV, LOOP_NONBLOCK)	408	const_iv (EV, LOOP_NONBLOCK)
273	const_iv (EV, BUFFER_READ)	409	const_iv (EV, LOOP_ONESHOT)
274	const_iv (EV, BUFFER_WRITE)	410
275	const_iv (EV, BUFFER_EOF)	411	const_iv (EV, UNLOOP_CANCEL)
276	const_iv (EV, BUFFER_ERROR)	412	const_iv (EV, UNLOOP_ONE)
277	const_iv (EV, BUFFER_TIMEOUT)	413	const_iv (EV, UNLOOP_ALL)
		414	#endif
278	};	415	};
279		416
280	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	417	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
281	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	418	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
282		419
		420	stash_loop = gv_stashpv ("EV::Loop" , 1);
283	stash_base = gv_stashpv ("EV::Base" , 1);	421	stash_watcher = gv_stashpv ("EV::Watcher" , 1);
		422	stash_io = gv_stashpv ("EV::IO" , 1);
		423	stash_timer = gv_stashpv ("EV::Timer" , 1);
		424	stash_periodic = gv_stashpv ("EV::Periodic", 1);
		425	stash_signal = gv_stashpv ("EV::Signal" , 1);
		426	stash_idle = gv_stashpv ("EV::Idle" , 1);
		427	stash_prepare = gv_stashpv ("EV::Prepare" , 1);
		428	stash_check = gv_stashpv ("EV::Check" , 1);
		429	stash_child = gv_stashpv ("EV::Child" , 1);
284	stash_event = gv_stashpv ("EV::Event", 1);	430	stash_embed = gv_stashpv ("EV::Embed" , 1);
285	}	431	stash_stat = gv_stashpv ("EV::Stat" , 1);
		432	stash_fork = gv_stashpv ("EV::Fork" , 1);
		433	stash_async = gv_stashpv ("EV::Async" , 1);
286		434
287	double now ()	435	{
288	CODE:	436	SV *sv = perl_get_sv ("EV::API", TRUE);
289	RETVAL = e_now ();	437	perl_get_sv ("EV::API", TRUE); /* silence 5.10 warning */
290	OUTPUT:
291	RETVAL
292		438
293	const char *version ()	439	/* the poor man's shared library emulator */
		440	evapi.ver = EV_API_VERSION;
		441	evapi.rev = EV_API_REVISION;
		442	evapi.sv_fileno = sv_fileno;
		443	evapi.sv_signum = s_signum;
		444	evapi.supported_backends = ev_supported_backends ();
		445	evapi.recommended_backends = ev_recommended_backends ();
		446	evapi.embeddable_backends = ev_embeddable_backends ();
		447	evapi.time_ = ev_time;
		448	evapi.sleep_ = ev_sleep;
		449	evapi.loop_new = ev_loop_new;
		450	evapi.loop_destroy = ev_loop_destroy;
		451	evapi.loop_fork = ev_loop_fork;
		452	evapi.iteration = ev_iteration;
		453	evapi.depth = ev_depth;
		454	evapi.set_userdata = ev_set_userdata;
		455	evapi.userdata = ev_userdata;
		456	evapi.now = ev_now;
		457	evapi.now_update = ev_now_update;
		458	evapi.suspend = ev_suspend;
		459	evapi.resume = ev_resume;
		460	evapi.backend = ev_backend;
		461	evapi.break_ = ev_break;
		462	evapi.invoke_pending = ev_invoke_pending;
		463	evapi.pending_count = ev_pending_count;
		464	evapi.verify = ev_verify;
		465	evapi.set_loop_release_cb = ev_set_loop_release_cb;
		466	evapi.set_invoke_pending_cb= ev_set_invoke_pending_cb;
		467	evapi.ref = ev_ref;
		468	evapi.unref = ev_unref;
		469	evapi.run = ev_run;
		470	evapi.once = ev_once;
		471	evapi.io_start = ev_io_start;
		472	evapi.io_stop = ev_io_stop;
		473	evapi.timer_start = ev_timer_start;
		474	evapi.timer_stop = ev_timer_stop;
		475	evapi.timer_again = ev_timer_again;
		476	evapi.timer_remaining = ev_timer_remaining;
		477	evapi.periodic_start = ev_periodic_start;
		478	evapi.periodic_stop = ev_periodic_stop;
		479	evapi.signal_start = ev_signal_start;
		480	evapi.signal_stop = ev_signal_stop;
		481	evapi.idle_start = ev_idle_start;
		482	evapi.idle_stop = ev_idle_stop;
		483	evapi.prepare_start = ev_prepare_start;
		484	evapi.prepare_stop = ev_prepare_stop;
		485	evapi.check_start = ev_check_start;
		486	evapi.check_stop = ev_check_stop;
		487	#if EV_CHILD_ENABLE
		488	evapi.child_start = ev_child_start;
		489	evapi.child_stop = ev_child_stop;
		490	#endif
		491	evapi.stat_start = ev_stat_start;
		492	evapi.stat_stop = ev_stat_stop;
		493	evapi.stat_stat = ev_stat_stat;
		494	evapi.embed_start = ev_embed_start;
		495	evapi.embed_stop = ev_embed_stop;
		496	evapi.embed_sweep = ev_embed_sweep;
		497	evapi.fork_start = ev_fork_start;
		498	evapi.fork_stop = ev_fork_stop;
		499	evapi.async_start = ev_async_start;
		500	evapi.async_stop = ev_async_stop;
		501	evapi.async_send = ev_async_send;
		502	evapi.clear_pending = ev_clear_pending;
		503	evapi.invoke = ev_invoke;
		504
		505	sv_setiv (sv, (IV)&evapi);
		506	SvREADONLY_on (sv);
		507	}
		508	#if !defined(_WIN32) && !defined(_MINIX)
		509	pthread_atfork (0, 0, ev_default_fork);
		510	#endif
		511	}
		512
		513	SV *ev_default_loop (unsigned int flags = 0)
		514	CODE:
		515	{
		516	if (!default_loop_sv)
		517	{
		518	evapi.default_loop = ev_default_loop (flags);
		519
		520	if (!evapi.default_loop)
		521	XSRETURN_UNDEF;
		522
		523	default_loop_sv = sv_bless (newRV_noinc (newSViv (PTR2IV (evapi.default_loop))), stash_loop);
		524	}
		525
		526	RETVAL = newSVsv (default_loop_sv);
		527	}
		528	OUTPUT:
		529	RETVAL
		530
		531	void ev_default_destroy ()
		532	CODE:
		533	ev_default_destroy ();
		534	SvREFCNT_dec (default_loop_sv);
		535	default_loop_sv = 0;
		536
		537	unsigned int ev_supported_backends ()
		538
		539	unsigned int ev_recommended_backends ()
		540
		541	unsigned int ev_embeddable_backends ()
		542
		543	void ev_sleep (NV interval)
		544
		545	NV ev_time ()
		546
		547	NV ev_now ()
		548	C_ARGS: evapi.default_loop
		549
		550	void ev_now_update ()
		551	C_ARGS: evapi.default_loop
		552
		553	void ev_suspend ()
		554	C_ARGS: evapi.default_loop
		555
		556	void ev_resume ()
		557	C_ARGS: evapi.default_loop
		558
		559	unsigned int ev_backend ()
		560	C_ARGS: evapi.default_loop
		561
		562	void ev_verify ()
294	ALIAS:	563	ALIAS:
		564	loop_verify = 1
		565	C_ARGS: evapi.default_loop
		566
		567	unsigned int ev_iteration ()
		568	ALIAS:
		569	loop_count = 1
		570	C_ARGS: evapi.default_loop
		571
		572	unsigned int ev_depth ()
		573	ALIAS:
		574	loop_depth = 1
		575	C_ARGS: evapi.default_loop
		576
		577	void ev_set_io_collect_interval (NV interval)
		578	C_ARGS: evapi.default_loop, interval
		579
		580	void ev_set_timeout_collect_interval (NV interval)
		581	C_ARGS: evapi.default_loop, interval
		582
		583	void ev_run (int flags = 0)
		584	ALIAS:
295	method = 1	585	loop = 1
296	CODE:	586	C_ARGS: evapi.default_loop, flags
297	RETVAL = ix ? event_get_method () : event_get_version ();
298	OUTPUT:
299	RETVAL
300		587
301	Base event_init ()	588	void ev_break (int how = EVBREAK_ONE)
		589	ALIAS:
		590	unloop = 1
		591	C_ARGS: evapi.default_loop, how
302		592
303	int event_priority_init (int npri)	593	void ev_feed_fd_event (int fd, int revents = EV_NONE)
		594	C_ARGS: evapi.default_loop, fd, revents
304		595
305	int event_dispatch ()	596	void ev_feed_signal_event (SV *signal)
306
307	int event_loop (int flags = 0)
308
309	int event_loopexit (double after = 0)
310	CODE:	597	CODE:
311	{	598	{
312	struct timeval tv;	599	Signal signum = s_signum (signal);
313	tv_set (&tv, after);	600	CHECK_SIG (signal, signum);
314	event_loopexit (&tv);
315	}
316		601
317	Event event (SV *cb)	602	ev_feed_signal_event (evapi.default_loop, signum);
318	CODE:	603	}
319	RETVAL = e_new (NEWSV (0, 0), 0, cb);
320	OUTPUT:
321	RETVAL
322		604
		605	unsigned int ev_pending_count ()
		606	C_ARGS: evapi.default_loop
		607
		608	void ev_invoke_pending ()
		609	C_ARGS: evapi.default_loop
		610
323	Event io (SV *fh, short events, SV *cb)	611	ev_io *io (SV *fh, int events, SV *cb)
324	ALIAS:	612	ALIAS:
325	io_ns = 1	613	io_ns = 1
		614	_ae_io = 2
326	CODE:	615	CODE:
327	RETVAL = e_new (fh, events, cb);
328	if (!ix) e_start (RETVAL);
329	OUTPUT:
330	RETVAL
331
332	Event timed_io (SV *fh, short events, double timeout, SV *cb)
333	ALIAS:
334	timed_io_ns = 1
335	CODE:
336	{	616	{
337	events = timeout ? events & ~EV_PERSIST : events | EV_PERSIST;	617	int fd = s_fileno (fh, events & EV_WRITE);
		618	CHECK_FD (fh, fd);
338		619
339	RETVAL = e_new (fh, events, cb);	620	if (ix == 2)
340		621	{
341	if (timeout)	622	ix = 0;
342	{	623	events = events ? EV_WRITE : EV_READ;
343	RETVAL->timeout = timeout;
344	RETVAL->interval = 1;
345	}	624	}
346		625
		626	RETVAL = e_new (sizeof (ev_io), cb, default_loop_sv);
		627	e_fh (RETVAL) = newSVsv (fh);
		628	ev_io_set (RETVAL, fd, events);
347	if (!ix) e_start (RETVAL);	629	if (!ix) START (io, RETVAL);
348	}	630	}
349	OUTPUT:	631	OUTPUT:
350	RETVAL	632	RETVAL
351		633
352	Event timer (double after, int repeat, SV *cb)	634	ev_timer *timer (NV after, NV repeat, SV *cb)
353	ALIAS:	635	ALIAS:
354	timer_ns = 1	636	timer_ns = 1
		637	INIT:
		638	CHECK_REPEAT (repeat);
355	CODE:	639	CODE:
356	RETVAL = e_new (NEWSV (0, 0), 0, cb);	640	RETVAL = e_new (sizeof (ev_timer), cb, default_loop_sv);
357	RETVAL->timeout = after;	641	ev_timer_set (RETVAL, after, repeat);
358	RETVAL->interval = repeat;	642	if (!ix) START (timer, RETVAL);
359	if (!ix) e_start (RETVAL);
360	OUTPUT:	643	OUTPUT:
361	RETVAL	644	RETVAL
362		645
363	Event timer_abs (double at, double interval, SV *cb)	646	SV *periodic (NV at, NV interval, SV *reschedule_cb, SV *cb)
364	ALIAS:	647	ALIAS:
365	timer_abs_ns = 1	648	periodic_ns = 1
		649	INIT:
		650	CHECK_REPEAT (interval);
366	CODE:	651	CODE:
367	RETVAL = e_new (NEWSV (0, 0), 0, cb);	652	{
368	RETVAL->timeout = at;	653	ev_periodic *w;
369	RETVAL->interval = interval;	654	w = e_new (sizeof (ev_periodic), cb, default_loop_sv);
370	RETVAL->abstime = 1;	655	e_fh (w) = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
371	if (!ix) e_start (RETVAL);	656	ev_periodic_set (w, at, interval, e_fh (w) ? e_periodic_cb : 0);
		657	RETVAL = e_bless ((ev_watcher *)w, stash_periodic);
		658	if (!ix) START (periodic, w);
		659	}
372	OUTPUT:	660	OUTPUT:
373	RETVAL	661	RETVAL
374		662
375	Event signal (SV *signal, SV *cb)	663	ev_signal *signal (SV *signal, SV *cb)
376	ALIAS:	664	ALIAS:
377	signal_ns = 1	665	signal_ns = 1
378	CODE:	666	CODE:
379	RETVAL = e_new (signal, EV_SIGNAL | EV_PERSIST, cb);	667	{
		668	Signal signum = s_signum (signal);
		669	CHECK_SIG (signal, signum);
		670
		671	RETVAL = e_new (sizeof (ev_signal), cb, default_loop_sv);
		672	ev_signal_set (RETVAL, signum);
		673	if (!ix) START_SIGNAL (RETVAL);
		674	}
		675	OUTPUT:
		676	RETVAL
		677
		678	ev_idle *idle (SV *cb)
		679	ALIAS:
		680	idle_ns = 1
		681	CODE:
		682	RETVAL = e_new (sizeof (ev_idle), cb, default_loop_sv);
		683	ev_idle_set (RETVAL);
		684	if (!ix) START (idle, RETVAL);
		685	OUTPUT:
		686	RETVAL
		687
		688	ev_prepare *prepare (SV *cb)
		689	ALIAS:
		690	prepare_ns = 1
		691	CODE:
		692	RETVAL = e_new (sizeof (ev_prepare), cb, default_loop_sv);
		693	ev_prepare_set (RETVAL);
		694	if (!ix) START (prepare, RETVAL);
		695	OUTPUT:
		696	RETVAL
		697
		698	ev_check *check (SV *cb)
		699	ALIAS:
		700	check_ns = 1
		701	CODE:
		702	RETVAL = e_new (sizeof (ev_check), cb, default_loop_sv);
		703	ev_check_set (RETVAL);
		704	if (!ix) START (check, RETVAL);
		705	OUTPUT:
		706	RETVAL
		707
		708	ev_fork *fork (SV *cb)
		709	ALIAS:
		710	fork_ns = 1
		711	CODE:
		712	RETVAL = e_new (sizeof (ev_fork), cb, default_loop_sv);
		713	ev_fork_set (RETVAL);
		714	if (!ix) START (fork, RETVAL);
		715	OUTPUT:
		716	RETVAL
		717
		718
		719	ev_child *child (int pid, int trace, SV *cb)
		720	ALIAS:
		721	child_ns = 1
		722	CODE:
		723	#if EV_CHILD_ENABLE
		724	RETVAL = e_new (sizeof (ev_child), cb, default_loop_sv);
		725	ev_child_set (RETVAL, pid, trace);
		726	if (!ix) START (child, RETVAL);
		727	#else
		728	croak ("EV::child watchers not supported on this platform");
		729	#endif
		730	OUTPUT:
		731	RETVAL
		732
		733
		734	ev_stat *stat (SV *path, NV interval, SV *cb)
		735	ALIAS:
		736	stat_ns = 1
		737	CODE:
		738	RETVAL = e_new (sizeof (ev_stat), cb, default_loop_sv);
		739	e_fh (RETVAL) = newSVsv (path);
		740	ev_stat_set (RETVAL, SvPVbyte_nolen (e_fh (RETVAL)), interval);
380	if (!ix) e_start (RETVAL);	741	if (!ix) START (stat, RETVAL);
381	OUTPUT:	742	OUTPUT:
382	RETVAL	743	RETVAL
		744
		745	ev_embed *embed (struct ev_loop *loop, SV *cb = 0)
		746	ALIAS:
		747	embed_ns = 1
		748	CODE:
		749	{
		750	if (!(ev_backend (loop) & ev_embeddable_backends ()))
		751	croak ("passed loop is not embeddable via EV::embed,");
		752
		753	RETVAL = e_new (sizeof (ev_embed), cb, default_loop_sv);
		754	e_fh (RETVAL) = newSVsv (ST (0));
		755	ev_embed_set (RETVAL, loop);
		756	if (!ix) START (embed, RETVAL);
		757	}
		758	OUTPUT:
		759	RETVAL
		760
		761	ev_async *async (SV *cb)
		762	ALIAS:
		763	async_ns = 1
		764	CODE:
		765	RETVAL = e_new (sizeof (ev_async), cb, default_loop_sv);
		766	ev_async_set (RETVAL);
		767	if (!ix) START (async, RETVAL);
		768	OUTPUT:
		769	RETVAL
		770
		771	void once (SV *fh, int events, SV *timeout, SV *cb)
		772	CODE:
		773	ev_once (
		774	evapi.default_loop,
		775	s_fileno (fh, events & EV_WRITE), events,
		776	SvOK (timeout) ? SvNV (timeout) : -1.,
		777	e_once_cb,
		778	newSVsv (cb)
		779	);
383		780
384	PROTOTYPES: DISABLE	781	PROTOTYPES: DISABLE
385		782
386
387	MODULE = EV PACKAGE = EV::Base PREFIX = event_base_
388
389	Base new ()
390	CODE:
391	RETVAL = event_init ();
392	OUTPUT:
393	RETVAL
394
395	int event_base_dispatch (Base base)
396
397	int event_base_loop (Base base, int flags = 0)
398
399	int event_base_loopexit (Base base, double after)
400	CODE:
401	{
402	struct timeval tv;
403	tv.tv_sec = (long)after;
404	tv.tv_usec = (long)(after - tv.tv_sec) * 1e6;
405	event_base_loopexit (base, &tv);
406	}
407
408	int event_base_priority_init (Base base, int npri)
409
410	void event_base_set (Base base, Event ev)
411	C_ARGS: base, &ev->ev
412
413	void DESTROY (Base base)
414	CODE:
415	/*event_base_free (base);*/ /* causes too many problems */
416
417
418	MODULE = EV PACKAGE = EV::Event PREFIX = event_	783	MODULE = EV PACKAGE = EV::Watcher PREFIX = ev_
419		784
420	int event_priority_set (Event ev, int pri)	785	int ev_is_active (ev_watcher *w)
421	C_ARGS: &ev->ev, pri
422		786
423	int event_add (Event ev, double timeout = TIMEOUT_NONE)	787	int ev_is_pending (ev_watcher *w)
424	CODE:
425	ev->timeout = timeout;
426	ev->abstime = 0;
427	RETVAL = e_start (ev);
428	OUTPUT:
429	RETVAL
430		788
431	int event_start (Event ev)	789	void ev_invoke (ev_watcher *w, int revents = EV_NONE)
432	CODE:	790	C_ARGS: e_loop (w), w, revents
433	RETVAL = e_start (ev);
434	OUTPUT:
435	RETVAL
436		791
437	int event_del (Event ev)	792	int ev_clear_pending (ev_watcher *w)
438	ALIAS:	793	C_ARGS: e_loop (w), w
439	stop = 0
440	CODE:
441	RETVAL = e_stop (ev);
442	OUTPUT:
443	RETVAL
444		794
445	void DESTROY (Event ev)	795	void ev_feed_event (ev_watcher *w, int revents = EV_NONE)
446	CODE:	796	C_ARGS: e_loop (w), w, revents
447	e_stop (ev);
448	SvREFCNT_dec (ev->cb);
449	SvREFCNT_dec (ev->fh);
450		797
		798	int keepalive (ev_watcher *w, int new_value = 0)
		799	CODE:
		800	{
		801	RETVAL = w->e_flags & WFLAG_KEEPALIVE;
		802	new_value = new_value ? WFLAG_KEEPALIVE : 0;
		803
		804	if (items > 1 && ((new_value ^ w->e_flags) & WFLAG_KEEPALIVE))
		805	{
		806	w->e_flags = (w->e_flags & ~WFLAG_KEEPALIVE) | new_value;
		807	REF (w);
		808	UNREF (w);
		809	}
		810	}
		811	OUTPUT:
		812	RETVAL
		813
451	SV *cb (Event ev, SV *new_cb = 0)	814	SV *cb (ev_watcher *w, SV *new_cb = 0)
452	CODE:	815	CODE:
453	RETVAL = newSVsv (ev->cb);	816	{
454	if (items > 1)
455	sv_setsv (ev->cb, new_cb);
456	OUTPUT:
457	RETVAL
458
459	SV *fh (Event ev, SV *new_fh = 0)
460	ALIAS:
461	signal = 1
462	CODE:
463	RETVAL = newSVsv (ev->fh);
464	if (items > 1)	817	if (items > 1)
465	{	818	{
466	if (ev->active) event_del (&ev->ev);	819	new_cb = s_get_cv_croak (new_cb);
467	sv_setsv (ev->fh, new_fh);	820	RETVAL = newRV_noinc (w->cb_sv);
468	ev->ev.ev_fd = sv_fileno (ev->fh);	821	w->cb_sv = SvREFCNT_inc (new_cb);
469	ev->ev.ev_events = signal ? ev->ev.ev_events | EV_SIGNAL : ev->ev.ev_events & ~EV_SIGNAL;
470	if (ev->active) event_add (&ev->ev, e_tv (ev));
471	}	822	}
		823	else
		824	RETVAL = newRV_inc (w->cb_sv);
		825	}
472	OUTPUT:	826	OUTPUT:
473	RETVAL	827	RETVAL
474		828
475	short events (Event ev, short new_events = EV_UNDEF)	829	SV *data (ev_watcher *w, SV *new_data = 0)
476	CODE:	830	CODE:
477	RETVAL = ev->ev.ev_events;	831	{
		832	RETVAL = w->data ? newSVsv (w->data) : &PL_sv_undef;
		833
478	if (items > 1)	834	if (items > 1)
479	{	835	{
480	if (ev->active) event_del (&ev->ev);	836	SvREFCNT_dec (w->data);
481	ev->ev.ev_events = new_events;	837	w->data = newSVsv (new_data);
482	if (ev->active) event_add (&ev->ev, e_tv (ev));
483	}	838	}
		839	}
484	OUTPUT:	840	OUTPUT:
485	RETVAL	841	RETVAL
486		842
487	double timeout (Event ev, double new_timeout = 0., int repeat = 0)	843	SV *loop (ev_watcher *w)
488	CODE:	844	CODE:
489	RETVAL = ev->timeout;	845	RETVAL = newRV_inc (w->loop);
		846	OUTPUT:
		847	RETVAL
		848
		849	int priority (ev_watcher *w, int new_priority = 0)
		850	CODE:
		851	{
		852	RETVAL = w->priority;
		853
490	if (items > 1)	854	if (items > 1)
491	{	855	{
492	if (ev->active) event_del (&ev->ev);	856	int active = ev_is_active (w);
493	ev->timeout = new_timeout;	857
494	ev->interval = repeat;	858	if (active)
495	ev->abstime = 0;	859	{
496	if (ev->active) event_add (&ev->ev, e_tv (ev));	860	/* grrr. */
		861	PUSHMARK (SP);
		862	XPUSHs (ST (0));
		863	PUTBACK;
		864	call_method ("stop", G_DISCARD | G_VOID);
		865	}
		866
		867	ev_set_priority (w, new_priority);
		868
		869	if (active)
		870	{
		871	PUSHMARK (SP);
		872	XPUSHs (ST (0));
		873	PUTBACK;
		874	call_method ("start", G_DISCARD | G_VOID);
		875	}
497	}	876	}
		877	}
498	OUTPUT:	878	OUTPUT:
499	RETVAL	879	RETVAL
500		880
501	void timeout_abs (Event ev, double at, double interval = 0.)
502	CODE:
503	if (ev->active) event_del (&ev->ev);
504	ev->timeout = at;
505	ev->interval = interval;
506	ev->abstime = 1;
507	if (ev->active) event_add (&ev->ev, e_tv (ev));
508
509
510	MODULE = EV PACKAGE = EV::DNS PREFIX = evdns_	881	MODULE = EV PACKAGE = EV::IO PREFIX = ev_io_
511		882
512	BOOT:	883	void ev_io_start (ev_io *w)
513	{	884	CODE:
514	HV *stash = gv_stashpv ("EV::DNS", 1);	885	START (io, w);
515		886
516	static const struct {	887	void ev_io_stop (ev_io *w)
517	const char *name;	888	CODE:
518	IV iv;	889	STOP (io, w);
519	} *civ, const_iv[] = {
520	# define const_iv(pfx, name) { # name, (IV) pfx ## name },
521	const_iv (DNS_, ERR_NONE)
522	const_iv (DNS_, ERR_FORMAT)
523	const_iv (DNS_, ERR_SERVERFAILED)
524	const_iv (DNS_, ERR_NOTEXIST)
525	const_iv (DNS_, ERR_NOTIMPL)
526	const_iv (DNS_, ERR_REFUSED)
527	const_iv (DNS_, ERR_TRUNCATED)
528	const_iv (DNS_, ERR_UNKNOWN)
529	const_iv (DNS_, ERR_TIMEOUT)
530	const_iv (DNS_, ERR_SHUTDOWN)
531	const_iv (DNS_, IPv4_A)
532	const_iv (DNS_, PTR)
533	const_iv (DNS_, IPv6_AAAA)
534	const_iv (DNS_, QUERY_NO_SEARCH)
535	const_iv (DNS_, OPTION_SEARCH)
536	const_iv (DNS_, OPTION_NAMESERVERS)
537	const_iv (DNS_, OPTION_MISC)
538	const_iv (DNS_, OPTIONS_ALL)
539	const_iv (DNS_, NO_SEARCH)
540	};
541		890
542	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	891	void DESTROY (ev_io *w)
543	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	892	CODE:
544	}	893	STOP (io, w);
		894	e_destroy (w);
545		895
546	int evdns_init ()	896	void set (ev_io *w, SV *fh, int events)
		897	CODE:
		898	{
		899	int fd = s_fileno (fh, events & EV_WRITE);
		900	CHECK_FD (fh, fd);
547		901
548	void evdns_shutdown (int fail_requests = 1)	902	sv_setsv (e_fh (w), fh);
		903	RESET (io, w, (w, fd, events));
		904	}
549		905
550	const char *evdns_err_to_string (int err)	906	SV *fh (ev_io *w, SV *new_fh = 0)
		907	CODE:
		908	{
		909	if (items > 1)
		910	{
		911	int fd = s_fileno (new_fh, w->events & EV_WRITE);
		912	CHECK_FD (new_fh, fd);
551		913
552	int evdns_nameserver_add (U32 address)	914	RETVAL = e_fh (w);
		915	e_fh (w) = newSVsv (new_fh);
553		916
554	int evdns_count_nameservers ()	917	RESET (io, w, (w, fd, w->events));
		918	}
		919	else
		920	RETVAL = newSVsv (e_fh (w));
		921	}
		922	OUTPUT:
		923	RETVAL
555		924
556	int evdns_clear_nameservers_and_suspend ()	925	int events (ev_io *w, int new_events = EV_UNDEF)
		926	CODE:
		927	{
		928	RETVAL = w->events;
557		929
558	int evdns_resume ()	930	if (items > 1)
		931	RESET (io, w, (w, w->fd, new_events));
		932	}
		933	OUTPUT:
		934	RETVAL
559		935
560	int evdns_nameserver_ip_add (char *ip_as_string)	936	MODULE = EV PACKAGE = EV::Signal PREFIX = ev_signal_
561		937
562	int evdns_resolve_ipv4 (const char *name, int flags, SV *cb)	938	void ev_signal_start (ev_signal *w)
563	C_ARGS: name, flags, dns_cb, (void *)SvREFCNT_inc (cb)	939	CODE:
		940	START_SIGNAL (w);
564		941
565	int evdns_resolve_ipv6 (const char *name, int flags, SV *cb)	942	void ev_signal_stop (ev_signal *w)
566	C_ARGS: name, flags, dns_cb, (void *)SvREFCNT_inc (cb)	943	CODE:
		944	STOP (signal, w);
567		945
568	int evdns_resolve_reverse (SV *addr, int flags, SV *cb)	946	void DESTROY (ev_signal *w)
569	ALIAS:	947	CODE:
570	evdns_resolve_reverse_ipv6 = 1	948	STOP (signal, w);
		949	e_destroy (w);
		950
		951	void set (ev_signal *w, SV *signal)
		952	CODE:
		953	{
		954	Signal signum = s_signum (signal);
		955	CHECK_SIG (signal, signum);
		956
		957	RESET_SIGNAL (w, (w, signum));
		958	}
		959
		960	int signal (ev_signal *w, SV *new_signal = 0)
		961	CODE:
		962	{
		963	RETVAL = w->signum;
		964
		965	if (items > 1)
		966	{
		967	Signal signum = s_signum (new_signal);
		968	CHECK_SIG (new_signal, signum);
		969
		970	RESET_SIGNAL (w, (w, signum));
		971	}
		972	}
		973	OUTPUT:
		974	RETVAL
		975
		976	MODULE = EV PACKAGE = EV::Timer PREFIX = ev_timer_
		977
		978	void ev_timer_start (ev_timer *w)
		979	INIT:
		980	CHECK_REPEAT (w->repeat);
		981	CODE:
		982	START (timer, w);
		983
		984	void ev_timer_stop (ev_timer *w)
		985	CODE:
		986	STOP (timer, w);
		987
		988	void ev_timer_again (ev_timer *w)
		989	INIT:
		990	CHECK_REPEAT (w->repeat);
571	CODE:	991	CODE:
572	{	992	ev_timer_again (e_loop (w), w);
573	STRLEN len;	993	UNREF (w);
574	char *data = SvPVbyte (addr, len);
575	if (len != (ix ? 16 : 4))
576	croak ("ipv4/ipv6 address to be resolved must be given as 4/16 byte octet string");
577		994
		995	NV ev_timer_remaining (ev_timer *w)
		996	C_ARGS: e_loop (w), w
		997
		998	void DESTROY (ev_timer *w)
		999	CODE:
		1000	STOP (timer, w);
		1001	e_destroy (w);
		1002
		1003	void set (ev_timer *w, NV after, NV repeat = 0.)
		1004	INIT:
		1005	CHECK_REPEAT (repeat);
		1006	CODE:
		1007	RESET (timer, w, (w, after, repeat));
		1008
		1009	MODULE = EV PACKAGE = EV::Periodic PREFIX = ev_periodic_
		1010
		1011	void ev_periodic_start (ev_periodic *w)
		1012	INIT:
		1013	CHECK_REPEAT (w->interval);
		1014	CODE:
		1015	START (periodic, w);
		1016
		1017	void ev_periodic_stop (ev_periodic *w)
		1018	CODE:
		1019	STOP (periodic, w);
		1020
		1021	void ev_periodic_again (ev_periodic *w)
		1022	CODE:
		1023	ev_periodic_again (e_loop (w), w);
		1024	UNREF (w);
		1025
		1026	void DESTROY (ev_periodic *w)
		1027	CODE:
		1028	STOP (periodic, w);
		1029	e_destroy (w);
		1030
		1031	void set (ev_periodic *w, NV at, NV interval = 0., SV *reschedule_cb = &PL_sv_undef)
		1032	INIT:
		1033	CHECK_REPEAT (interval);
		1034	CODE:
		1035	{
		1036	SvREFCNT_dec (e_fh (w));
		1037	e_fh (w) = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
		1038
		1039	RESET (periodic, w, (w, at, interval, e_fh (w) ? e_periodic_cb : 0));
		1040	}
		1041
		1042	NV at (ev_periodic *w)
		1043	CODE:
		1044	RETVAL = ev_periodic_at (w);
		1045	OUTPUT:
578	RETVAL = ix	1046	RETVAL
579	? evdns_resolve_reverse_ipv6 ((struct in6_addr *)data, flags, dns_cb, (void *)SvREFCNT_inc (cb))
580	: evdns_resolve_reverse ((struct in_addr *)data, flags, dns_cb, (void *)SvREFCNT_inc (cb));
581	}
582	OUTPUT:
583	RETVAL
584		1047
585	int evdns_set_option (char *option, char *val, int flags)	1048	MODULE = EV PACKAGE = EV::Idle PREFIX = ev_idle_
586		1049
587	int evdns_resolv_conf_parse (int flags, const char *filename)	1050	void ev_idle_start (ev_idle *w)
		1051	CODE:
		1052	START (idle, w);
588		1053
589	#ifdef MS_WINDOWS	1054	void ev_idle_stop (ev_idle *w)
		1055	CODE:
		1056	STOP (idle, w);
590		1057
591	int evdns_config_windows_nameservers ()	1058	void DESTROY (ev_idle *w)
		1059	CODE:
		1060	STOP (idle, w);
		1061	e_destroy (w);
		1062
		1063	MODULE = EV PACKAGE = EV::Prepare PREFIX = ev_prepare_
		1064
		1065	void ev_prepare_start (ev_prepare *w)
		1066	CODE:
		1067	START (prepare, w);
		1068
		1069	void ev_prepare_stop (ev_prepare *w)
		1070	CODE:
		1071	STOP (prepare, w);
		1072
		1073	void DESTROY (ev_prepare *w)
		1074	CODE:
		1075	STOP (prepare, w);
		1076	e_destroy (w);
		1077
		1078	MODULE = EV PACKAGE = EV::Check PREFIX = ev_check_
		1079
		1080	void ev_check_start (ev_check *w)
		1081	CODE:
		1082	START (check, w);
		1083
		1084	void ev_check_stop (ev_check *w)
		1085	CODE:
		1086	STOP (check, w);
		1087
		1088	void DESTROY (ev_check *w)
		1089	CODE:
		1090	STOP (check, w);
		1091	e_destroy (w);
		1092
		1093	MODULE = EV PACKAGE = EV::Fork PREFIX = ev_fork_
		1094
		1095	void ev_fork_start (ev_fork *w)
		1096	CODE:
		1097	START (fork, w);
		1098
		1099	void ev_fork_stop (ev_fork *w)
		1100	CODE:
		1101	STOP (fork, w);
		1102
		1103	void DESTROY (ev_fork *w)
		1104	CODE:
		1105	STOP (fork, w);
		1106	e_destroy (w);
		1107
		1108	MODULE = EV PACKAGE = EV::Child PREFIX = ev_child_
		1109
		1110	#if EV_CHILD_ENABLE
		1111
		1112	void ev_child_start (ev_child *w)
		1113	CODE:
		1114	START (child, w);
		1115
		1116	void ev_child_stop (ev_child *w)
		1117	CODE:
		1118	STOP (child, w);
		1119
		1120	void DESTROY (ev_child *w)
		1121	CODE:
		1122	STOP (child, w);
		1123	e_destroy (w);
		1124
		1125	void set (ev_child *w, int pid, int trace)
		1126	CODE:
		1127	RESET (child, w, (w, pid, trace));
		1128
		1129	int pid (ev_child *w)
		1130	ALIAS:
		1131	rpid = 1
		1132	rstatus = 2
		1133	CODE:
		1134	RETVAL = ix == 0 ? w->pid
		1135	: ix == 1 ? w->rpid
		1136	: w->rstatus;
		1137	OUTPUT:
		1138	RETVAL
592		1139
593	#endif	1140	#endif
594		1141
595	void evdns_search_clear ()	1142	MODULE = EV PACKAGE = EV::Stat PREFIX = ev_stat_
596		1143
597	void evdns_search_add (char *domain)	1144	void ev_stat_start (ev_stat *w)
		1145	CODE:
		1146	START (stat, w);
598		1147
599	void evdns_search_ndots_set (int ndots)	1148	void ev_stat_stop (ev_stat *w)
		1149	CODE:
		1150	STOP (stat, w);
600		1151
		1152	void DESTROY (ev_stat *w)
		1153	CODE:
		1154	STOP (stat, w);
		1155	e_destroy (w);
601		1156
		1157	void set (ev_stat *w, SV *path, NV interval)
		1158	CODE:
		1159	{
		1160	sv_setsv (e_fh (w), path);
		1161	RESET (stat, w, (w, SvPVbyte_nolen (e_fh (w)), interval));
		1162	}
		1163
		1164	SV *path (ev_stat *w, SV *new_path = 0)
		1165	CODE:
		1166	{
		1167	RETVAL = SvREFCNT_inc (e_fh (w));
		1168
		1169	if (items > 1)
		1170	{
		1171	SvREFCNT_dec (e_fh (w));
		1172	e_fh (w) = newSVsv (new_path);
		1173	RESET (stat, w, (w, SvPVbyte_nolen (e_fh (w)), w->interval));
		1174	}
		1175	}
		1176	OUTPUT:
		1177	RETVAL
		1178
		1179	NV interval (ev_stat *w, NV new_interval = 0.)
		1180	CODE:
		1181	{
		1182	RETVAL = w->interval;
		1183
		1184	if (items > 1)
		1185	RESET (stat, w, (w, SvPVbyte_nolen (e_fh (w)), new_interval));
		1186	}
		1187	OUTPUT:
		1188	RETVAL
		1189
		1190	void prev (ev_stat *w)
		1191	ALIAS:
		1192	stat = 1
		1193	attr = 2
		1194	PPCODE:
		1195	{
		1196	ev_statdata *s = ix ? &w->attr : &w->prev;
		1197
		1198	if (ix == 1)
		1199	ev_stat_stat (e_loop (w), w);
		1200	else if (!s->st_nlink)
		1201	errno = ENOENT;
		1202
		1203	PL_statcache.st_dev = s->st_nlink;
		1204	PL_statcache.st_ino = s->st_ino;
		1205	PL_statcache.st_mode = s->st_mode;
		1206	PL_statcache.st_nlink = s->st_nlink;
		1207	PL_statcache.st_uid = s->st_uid;
		1208	PL_statcache.st_gid = s->st_gid;
		1209	PL_statcache.st_rdev = s->st_rdev;
		1210	PL_statcache.st_size = s->st_size;
		1211	PL_statcache.st_atime = s->st_atime;
		1212	PL_statcache.st_mtime = s->st_mtime;
		1213	PL_statcache.st_ctime = s->st_ctime;
		1214
		1215	if (GIMME_V == G_SCALAR)
		1216	XPUSHs (boolSV (s->st_nlink));
		1217	else if (GIMME_V == G_ARRAY && s->st_nlink)
		1218	{
		1219	EXTEND (SP, 13);
		1220	PUSHs (sv_2mortal (newSViv (s->st_dev)));
		1221	PUSHs (sv_2mortal (newSViv (s->st_ino)));
		1222	PUSHs (sv_2mortal (newSVuv (s->st_mode)));
		1223	PUSHs (sv_2mortal (newSVuv (s->st_nlink)));
		1224	PUSHs (sv_2mortal (newSViv (s->st_uid)));
		1225	PUSHs (sv_2mortal (newSViv (s->st_gid)));
		1226	PUSHs (sv_2mortal (newSViv (s->st_rdev)));
		1227	PUSHs (sv_2mortal (newSVnv ((NV)s->st_size)));
		1228	PUSHs (sv_2mortal (newSVnv (s->st_atime)));
		1229	PUSHs (sv_2mortal (newSVnv (s->st_mtime)));
		1230	PUSHs (sv_2mortal (newSVnv (s->st_ctime)));
		1231	PUSHs (sv_2mortal (newSVuv (4096)));
		1232	PUSHs (sv_2mortal (newSVnv ((NV)((s->st_size + 4095) / 4096))));
		1233	}
		1234	}
		1235
		1236	MODULE = EV PACKAGE = EV::Embed PREFIX = ev_embed_
		1237
		1238	void ev_embed_start (ev_embed *w)
		1239	CODE:
		1240	START (embed, w);
		1241
		1242	void ev_embed_stop (ev_embed *w)
		1243	CODE:
		1244	STOP (embed, w);
		1245
		1246	void DESTROY (ev_embed *w)
		1247	CODE:
		1248	STOP (embed, w);
		1249	e_destroy (w);
		1250
		1251	void set (ev_embed *w, struct ev_loop *loop)
		1252	CODE:
		1253	{
		1254	sv_setsv (e_fh (w), ST (1));
		1255	RESET (embed, w, (w, loop));
		1256	}
		1257
		1258	SV *other (ev_embed *w)
		1259	CODE:
		1260	RETVAL = newSVsv (e_fh (w));
		1261	OUTPUT:
		1262	RETVAL
		1263
		1264	void ev_embed_sweep (ev_embed *w)
		1265	C_ARGS: e_loop (w), w
		1266
		1267	MODULE = EV PACKAGE = EV::Async PREFIX = ev_async_
		1268
		1269	void ev_async_start (ev_async *w)
		1270	CODE:
		1271	START (async, w);
		1272
		1273	void ev_async_stop (ev_async *w)
		1274	CODE:
		1275	STOP (async, w);
		1276
		1277	void DESTROY (ev_async *w)
		1278	CODE:
		1279	STOP (async, w);
		1280	e_destroy (w);
		1281
		1282	void ev_async_send (ev_async *w)
		1283	C_ARGS: e_loop (w), w
		1284
		1285	SV *ev_async_async_pending (ev_async *w)
		1286	CODE:
		1287	RETVAL = boolSV (ev_async_pending (w));
		1288	OUTPUT:
		1289	RETVAL
		1290
602	MODULE = EV PACKAGE = EV::HTTP PREFIX = evhttp_	1291	MODULE = EV PACKAGE = EV::Loop PREFIX = ev_
603		1292
604	BOOT:	1293	SV *new (SV *klass, unsigned int flags = 0)
		1294	CODE:
605	{	1295	{
606	HV *stash = gv_stashpv ("EV::HTTP", 1);	1296	struct ev_loop *loop = ev_loop_new (flags);
607		1297
608	static const struct {	1298	if (!loop)
609	const char *name;	1299	XSRETURN_UNDEF;
610	IV iv;
611	} *civ, const_iv[] = {
612	# define const_iv(pfx, name) { # name, (IV) pfx ## name },
613	const_iv (HTTP_, OK)
614	const_iv (HTTP_, NOCONTENT)
615	const_iv (HTTP_, MOVEPERM)
616	const_iv (HTTP_, MOVETEMP)
617	const_iv (HTTP_, NOTMODIFIED)
618	const_iv (HTTP_, BADREQUEST)
619	const_iv (HTTP_, NOTFOUND)
620	const_iv (HTTP_, SERVUNAVAIL)
621	const_iv (EVHTTP_, REQ_OWN_CONNECTION)
622	const_iv (EVHTTP_, PROXY_REQUEST)
623	const_iv (EVHTTP_, REQ_GET)
624	const_iv (EVHTTP_, REQ_POST)
625	const_iv (EVHTTP_, REQ_HEAD)
626	const_iv (EVHTTP_, REQUEST)
627	const_iv (EVHTTP_, RESPONSE)
628	};
629		1300
630	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1301	RETVAL = sv_bless (newRV_noinc (newSViv (PTR2IV (loop))), stash_loop);
631	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
632	}	1302	}
		1303	OUTPUT:
		1304	RETVAL
633		1305
634	MODULE = EV PACKAGE = EV::HTTP::Request PREFIX = evhttp_request_	1306	void DESTROY (struct ev_loop *loop)
		1307	CODE:
		1308	/* 1. the default loop shouldn't be freed by destroying it'S pelr loop object */
		1309	/* 2. not doing so helps avoid many global destruction bugs in perl, too */
		1310	if (loop != evapi.default_loop)
		1311	ev_loop_destroy (loop);
635		1312
636	#HttpRequest new (SV *klass, SV *cb)	1313	void ev_loop_fork (struct ev_loop *loop)
637		1314
638	#void DESTROY (struct evhttp_request *req);	1315	NV ev_now (struct ev_loop *loop)
639		1316
		1317	void ev_now_update (struct ev_loop *loop)
640		1318
		1319	void ev_suspend (struct ev_loop *loop)
641		1320
		1321	void ev_resume (struct ev_loop *loop)
642		1322
		1323	void ev_set_io_collect_interval (struct ev_loop *loop, NV interval)
643		1324
		1325	void ev_set_timeout_collect_interval (struct ev_loop *loop, NV interval)
644		1326
		1327	unsigned int ev_backend (struct ev_loop *loop)
645		1328
		1329	void ev_verify (struct ev_loop *loop)
		1330	ALIAS:
		1331	loop_verify = 1
646		1332
		1333	unsigned int ev_iteration (struct ev_loop *loop)
		1334	ALIAS:
		1335	loop_count = 1
		1336
		1337	unsigned int ev_depth (struct ev_loop *loop)
		1338	ALIAS:
		1339	loop_depth = 1
		1340
		1341	void ev_run (struct ev_loop *loop, int flags = 0)
		1342	ALIAS:
		1343	loop = 1
		1344
		1345	void ev_break (struct ev_loop *loop, int how = 1)
		1346	ALIAS:
		1347	unloop = 1
		1348
		1349	void ev_feed_fd_event (struct ev_loop *loop, int fd, int revents = EV_NONE)
		1350
		1351	unsigned int ev_pending_count (struct ev_loop *loop)
		1352
		1353	void ev_invoke_pending (struct ev_loop *loop)
		1354
		1355	#if 0
		1356
		1357	void ev_feed_signal_event (struct ev_loop *loop, SV *signal)
		1358	CODE:
		1359	{
		1360	Signal signum = s_signum (signal);
		1361	CHECK_SIG (signal, signum);
		1362
		1363	ev_feed_signal_event (loop, signum);
		1364	}
		1365
		1366	#endif
		1367
		1368	ev_io *io (struct ev_loop *loop, SV *fh, int events, SV *cb)
		1369	ALIAS:
		1370	io_ns = 1
		1371	CODE:
		1372	{
		1373	int fd = s_fileno (fh, events & EV_WRITE);
		1374	CHECK_FD (fh, fd);
		1375
		1376	RETVAL = e_new (sizeof (ev_io), cb, ST (0));
		1377	e_fh (RETVAL) = newSVsv (fh);
		1378	ev_io_set (RETVAL, fd, events);
		1379	if (!ix) START (io, RETVAL);
		1380	}
		1381	OUTPUT:
		1382	RETVAL
		1383
		1384	ev_timer *timer (struct ev_loop *loop, NV after, NV repeat, SV *cb)
		1385	ALIAS:
		1386	timer_ns = 1
		1387	INIT:
		1388	CHECK_REPEAT (repeat);
		1389	CODE:
		1390	RETVAL = e_new (sizeof (ev_timer), cb, ST (0));
		1391	ev_timer_set (RETVAL, after, repeat);
		1392	if (!ix) START (timer, RETVAL);
		1393	OUTPUT:
		1394	RETVAL
		1395
		1396	SV *periodic (struct ev_loop *loop, NV at, NV interval, SV *reschedule_cb, SV *cb)
		1397	ALIAS:
		1398	periodic_ns = 1
		1399	INIT:
		1400	CHECK_REPEAT (interval);
		1401	CODE:
		1402	{
		1403	ev_periodic *w;
		1404	w = e_new (sizeof (ev_periodic), cb, ST (0));
		1405	e_fh (w) = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
		1406	ev_periodic_set (w, at, interval, e_fh (w) ? e_periodic_cb : 0);
		1407	RETVAL = e_bless ((ev_watcher *)w, stash_periodic);
		1408	if (!ix) START (periodic, w);
		1409	}
		1410	OUTPUT:
		1411	RETVAL
		1412
		1413	ev_signal *signal (struct ev_loop *loop, SV *signal, SV *cb)
		1414	ALIAS:
		1415	signal_ns = 1
		1416	CODE:
		1417	{
		1418	Signal signum = s_signum (signal);
		1419	CHECK_SIG (signal, signum);
		1420
		1421	RETVAL = e_new (sizeof (ev_signal), cb, ST (0));
		1422	ev_signal_set (RETVAL, signum);
		1423	if (!ix) START_SIGNAL (RETVAL);
		1424	}
		1425	OUTPUT:
		1426	RETVAL
		1427
		1428	ev_idle *idle (struct ev_loop *loop, SV *cb)
		1429	ALIAS:
		1430	idle_ns = 1
		1431	CODE:
		1432	RETVAL = e_new (sizeof (ev_idle), cb, ST (0));
		1433	ev_idle_set (RETVAL);
		1434	if (!ix) START (idle, RETVAL);
		1435	OUTPUT:
		1436	RETVAL
		1437
		1438	ev_prepare *prepare (struct ev_loop *loop, SV *cb)
		1439	ALIAS:
		1440	prepare_ns = 1
		1441	CODE:
		1442	RETVAL = e_new (sizeof (ev_prepare), cb, ST (0));
		1443	ev_prepare_set (RETVAL);
		1444	if (!ix) START (prepare, RETVAL);
		1445	OUTPUT:
		1446	RETVAL
		1447
		1448	ev_check *check (struct ev_loop *loop, SV *cb)
		1449	ALIAS:
		1450	check_ns = 1
		1451	CODE:
		1452	RETVAL = e_new (sizeof (ev_check), cb, ST (0));
		1453	ev_check_set (RETVAL);
		1454	if (!ix) START (check, RETVAL);
		1455	OUTPUT:
		1456	RETVAL
		1457
		1458	ev_fork *fork (struct ev_loop *loop, SV *cb)
		1459	ALIAS:
		1460	fork_ns = 1
		1461	CODE:
		1462	RETVAL = e_new (sizeof (ev_fork), cb, ST (0));
		1463	ev_fork_set (RETVAL);
		1464	if (!ix) START (fork, RETVAL);
		1465	OUTPUT:
		1466	RETVAL
		1467
		1468
		1469	ev_child *child (struct ev_loop *loop, int pid, int trace, SV *cb)
		1470	ALIAS:
		1471	child_ns = 1
		1472	CODE:
		1473	#if EV_CHILD_ENABLE
		1474	RETVAL = e_new (sizeof (ev_child), cb, ST (0));
		1475	ev_child_set (RETVAL, pid, trace);
		1476	if (!ix) START (child, RETVAL);
		1477	#else
		1478	croak ("EV::child watchers not supported on this platform");
		1479	#endif
		1480	OUTPUT:
		1481	RETVAL
		1482
		1483	ev_stat *stat (struct ev_loop *loop, SV *path, NV interval, SV *cb)
		1484	ALIAS:
		1485	stat_ns = 1
		1486	CODE:
		1487	RETVAL = e_new (sizeof (ev_stat), cb, ST (0));
		1488	e_fh (RETVAL) = newSVsv (path);
		1489	ev_stat_set (RETVAL, SvPVbyte_nolen (e_fh (RETVAL)), interval);
		1490	if (!ix) START (stat, RETVAL);
		1491	OUTPUT:
		1492	RETVAL
		1493
		1494	ev_embed *embed (struct ev_loop *loop, struct ev_loop *other, SV *cb = 0)
		1495	ALIAS:
		1496	embed_ns = 1
		1497	CODE:
		1498	{
		1499	if (!(ev_backend (other) & ev_embeddable_backends ()))
		1500	croak ("passed loop is not embeddable via EV::embed,");
		1501
		1502	RETVAL = e_new (sizeof (ev_embed), cb, ST (0));
		1503	e_fh (RETVAL) = newSVsv (ST (1));
		1504	ev_embed_set (RETVAL, other);
		1505	if (!ix) START (embed, RETVAL);
		1506	}
		1507	OUTPUT:
		1508	RETVAL
		1509
		1510	ev_async *async (struct ev_loop *loop, SV *cb)
		1511	ALIAS:
		1512	async_ns = 1
		1513	CODE:
		1514	RETVAL = e_new (sizeof (ev_async), cb, ST (0));
		1515	ev_async_set (RETVAL);
		1516	if (!ix) START (async, RETVAL);
		1517	OUTPUT:
		1518	RETVAL
		1519
		1520	void once (struct ev_loop *loop, SV *fh, int events, SV *timeout, SV *cb)
		1521	CODE:
		1522	ev_once (
		1523	loop,
		1524	s_fileno (fh, events & EV_WRITE), events,
		1525	SvOK (timeout) ? SvNV (timeout) : -1.,
		1526	e_once_cb,
		1527	newSVsv (cb)
		1528	);
		1529

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