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Comparing EV/EV.xs (file contents):
Revision 1.2 by root, Fri Oct 26 16:51:27 2007 UTC vs.
Revision 1.169 by root, Sat Mar 8 15:51:23 2014 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	#ifndef WIN32
		7	# undef signal
		8	# undef sigaction
		9	#endif
7		10
8	#include <sys/time.h>	11	#include "schmorp.h"
9	#include <time.h>
10	#include <event.h>
11	#include <evdns.h>
12	/*include <evhttp.h>*/ /* does not compile */
13		12
		13	/* old API compatibility */
		14	static int
		15	sv_fileno (SV *fh)
		16	{
		17	return s_fileno (fh, 0);
		18	}
		19
		20	#ifndef GvCV_set
		21	# define GvCV_set(gv,cv) GvCV (gv) = cv
		22	#endif
		23
14	#define EV_NONE 0	24	#define EV_STANDALONE 1
15	#define EV_UNDEF -1	25	#define EV_PROTOTYPES 1
		26	#define EV_USE_NANOSLEEP EV_USE_MONOTONIC
		27	#define EV_USE_FLOOR 1
		28	#define EV_API_STATIC
		29	#define EV_H <ev.h>
		30	#define EV_CONFIG_H error
		31	#include "EV/EVAPI.h"
16		32
17	#define TIMEOUT_NONE HUGE_VAL	33	#define EV_SELECT_IS_WINSOCKET 0
		34	#ifdef _WIN32
		35	# define EV_SELECT_USE_FD_SET 0
		36	# define NFDBITS PERL_NFDBITS
		37	# define fd_mask Perl_fd_mask
		38	#endif
		39	/* due to bugs in OS X we have to use libev/ explicitly here */
		40	#include "libev/ev.c"
18		41
19	typedef struct event_base *Base;	42	#if !defined _WIN32 && !defined _MINIX && !EV_NO_ATFORK
		43	# include <pthread.h>
		44	#endif
20		45
21	static HV *stash_base, *stash_event;	46	#define e_loop(w) INT2PTR (struct ev_loop *, SvIVX (((ev_watcher *)(w))->loop))
		47	#define e_flags(w) ((ev_watcher *)(w))->e_flags
		48	#define e_self(w) ((ev_watcher *)(w))->self
		49	#define e_fh(w) ((ev_watcher *)(w))->fh
		50	#define e_data(w) ((ev_watcher *)(w))->data
22		51
23	static double tv_get (struct timeval *tv)	52	#define WFLAG_KEEPALIVE 1
24	{	53	#define WFLAG_UNREFED 2 /* has been unref'ed */
25	return tv->tv_sec + tv->tv_usec * 1e-6;
26	}
27		54
28	static void tv_set (struct timeval *tv, double val)	55	#define UNREF(w) \
29	{	56	if (!(e_flags (w) & (WFLAG_KEEPALIVE | WFLAG_UNREFED)) \
30	tv->tv_sec = (long)val;	57	&& ev_is_active (w)) \
31	tv->tv_usec = (long)((val - (double)tv->tv_sec) * 1e6);	58	{ \
		59	ev_unref (e_loop (w)); \
		60	e_flags (w) |= WFLAG_UNREFED; \
		61	}
32		62
33	}	63	#define REF(w) \
		64	if (e_flags (w) & WFLAG_UNREFED) \
		65	{ \
		66	e_flags (w) &= ~WFLAG_UNREFED; \
		67	ev_ref (e_loop (w)); \
		68	}
		69
		70	#define START(type,w) \
		71	do { \
		72	ev_ ## type ## _start (e_loop (w), w); \
		73	UNREF (w); \
		74	} while (0)
		75
		76	#define STOP(type,w) \
		77	do { \
		78	REF (w); \
		79	ev_ ## type ## _stop (e_loop (w), w); \
		80	} while (0)
		81
		82	#define RESET(type,w,seta) \
		83	do { \
		84	int active = ev_is_active (w); \
		85	if (active) STOP (type, w); \
		86	ev_ ## type ## _set seta; \
		87	if (active) START (type, w); \
		88	} while (0)
		89
		90	typedef int Signal;
		91
		92	/* horrible... */
		93	#define CHECK_SIGNAL_CAN_START(w) \
		94	do { \
		95	/* dive into the internals of libev to avoid aborting in libev */ \
		96	if (signals [(w)->signum - 1].loop \
		97	&& signals [(w)->signum - 1].loop != e_loop (w)) \
		98	croak ("unable to start signal watcher, signal %d already registered in another loop", w->signum); \
		99	} while (0)
		100
		101	#define START_SIGNAL(w) \
		102	do { \
		103	CHECK_SIGNAL_CAN_START (w); \
		104	START (signal, w); \
		105	} while (0) \
		106
		107	#define RESET_SIGNAL(w,seta) \
		108	do { \
		109	int active = ev_is_active (w); \
		110	if (active) STOP (signal, w); \
		111	ev_ ## signal ## _set seta; \
		112	if (active) START_SIGNAL (w); \
		113	} while (0)
		114
		115	static SV *default_loop_sv;
		116
		117	static struct EVAPI evapi;
		118
		119	static HV
		120	*stash_loop,
		121	*stash_watcher,
		122	*stash_io,
		123	*stash_timer,
		124	*stash_periodic,
		125	*stash_signal,
		126	*stash_child,
		127	*stash_stat,
		128	*stash_idle,
		129	*stash_prepare,
		130	*stash_check,
		131	*stash_embed,
		132	*stash_fork,
		133	*stash_cleanup,
		134	*stash_async;
34		135
35	/////////////////////////////////////////////////////////////////////////////	136	/////////////////////////////////////////////////////////////////////////////
36	// Event	137	// Event
37		138
38	typedef struct ev {	139	static void e_cb (EV_P_ ev_watcher *w, int revents);
39	struct event ev;
40	SV *cb, *fh;
41	SV *self; /* contains this struct */
42	double timeout;
43	double interval;
44	unsigned char active;
45	unsigned char abstime;
46	} *Event;
47		140
48	static double	141	static void *
49	e_now ()	142	e_new (int size, SV *cb_sv, SV *loop)
50	{	143	{
51	struct timeval tv;	144	SV *cv = cb_sv ? s_get_cv_croak (cb_sv) : 0;
52	gettimeofday (&tv, 0);	145	ev_watcher *w;
53
54	return tv_get (&tv);
55	}
56
57	static void e_cb (int fd, short events, void *arg);
58
59	static int sv_fileno (SV *fh)
60	{
61	if (fh)
62	{
63	SvGETMAGIC (fh);
64
65	if (SvROK (fh))
66	fh = SvRV (fh);
67
68	if (SvTYPE (fh) == SVt_PVGV)
69	return PerlIO_fileno (IoIFP (sv_2io (fh)));
70
71	if (SvIOK (fh))
72	return SvIV (fh);
73	}
74
75	return -1;
76	}
77
78	static Event
79	e_new (SV *fh, short events, SV *cb)
80	{
81	int fd = sv_fileno (fh);
82	Event ev;
83	SV *self = NEWSV (0, sizeof (struct ev));	146	SV *self = NEWSV (0, size);
84	SvPOK_only (self);	147	SvPOK_only (self);
85	SvCUR_set (self, sizeof (struct ev));	148	SvCUR_set (self, size);
86		149
87	ev = (Event)SvPVX (self);	150	w = (ev_watcher *)SvPVX (self);
88		151
89	ev->fh = newSVsv (fh);	152	ev_init (w, cv ? e_cb : 0);
90	ev->cb = newSVsv (cb);	153
		154	w->loop = SvREFCNT_inc (SvRV (loop));
		155	w->e_flags = WFLAG_KEEPALIVE;
		156	w->data = 0;
		157	w->fh = 0;
		158	w->cb_sv = SvREFCNT_inc (cv);
91	ev->self = self;	159	w->self = self;
92	ev->timeout = TIMEOUT_NONE;
93	ev->interval = 0.;
94	ev->abstime = 0;
95	ev->active = 0;
96		160
97	event_set (&ev->ev, fd, events, e_cb, (void *)ev);	161	return (void *)w;
98
99	return ev;
100	}	162	}
101		163
102	static struct timeval *	164	static void
103	e_tv (Event ev)	165	e_destroy (void *w_)
104	{	166	{
105	static struct timeval tv;	167	ev_watcher *w = (ev_watcher *)w_;
106	double to = ev->timeout;
107		168
108	if (to == TIMEOUT_NONE)	169	SvREFCNT_dec (w->loop ); w->loop = 0;
109	return 0;	170	SvREFCNT_dec (w->fh ); w->fh = 0;
110		171	SvREFCNT_dec (w->cb_sv); w->cb_sv = 0;
111	if (ev->abstime)	172	SvREFCNT_dec (w->data ); w->data = 0;
112	{
113	double now = e_now ();
114
115	if (now > to && ev->interval)
116	ev->timeout = (to += ceil ((now - to) / ev->interval) * ev->interval);
117
118	to -= now;
119	}
120	else if (to < 0.)
121	to = 0.;
122
123	tv_set (&tv, to);
124
125	return &tv;
126	}	173	}
127		174
128	static SV *e_self (Event ev)	175	static SV *
		176	e_bless (ev_watcher *w, HV *stash)
129	{	177	{
130	SV *rv;	178	SV *rv;
131		179
132	if (SvOBJECT (ev->self))	180	if (SvOBJECT (w->self))
133	rv = newRV_inc (ev->self);	181	rv = newRV_inc (w->self);
134	else	182	else
135	{	183	{
136	rv = newRV_noinc (ev->self);	184	rv = newRV_noinc (w->self);
137	sv_bless (rv, stash_event);	185	sv_bless (rv, stash);
138	SvREADONLY_on (ev->self);	186	SvREADONLY_on (w->self);
139	}	187	}
140		188
141	return rv;	189	return rv;
142	}	190	}
143		191
144	static int	192	static SV *sv_self_cache, *sv_events_cache;
145	e_start (Event ev)
146	{
147	if (ev->active) event_del (&ev->ev);
148	ev->active = 1;
149	return event_add (&ev->ev, e_tv (ev));
150	}
151
152	static int e_stop (Event ev)
153	{
154	return ev->active
155	? (ev->active = 0), event_del (&ev->ev)
156	: 0;
157	}
158		193
159	static void	194	static void
		195	e_cb (EV_P_ ev_watcher *w, int revents)
		196	{
		197	dSP;
		198	I32 mark = SP - PL_stack_base;
		199	SV *sv_self, *sv_events;
		200
		201	/* libev might have stopped the watcher */
		202	if (expect_false (w->e_flags & WFLAG_UNREFED)
		203	&& !ev_is_active (w))
		204	REF (w);
		205
		206	if (expect_true (sv_self_cache))
		207	{
		208	sv_self = sv_self_cache; sv_self_cache = 0;
		209	SvRV_set (sv_self, SvREFCNT_inc_NN (w->self));
		210	}
		211	else
		212	{
		213	sv_self = newRV_inc (w->self); /* e_self (w) MUST be blessed by now */
		214	SvREADONLY_on (sv_self);
		215	}
		216
		217	if (expect_true (sv_events_cache))
		218	{
		219	sv_events = sv_events_cache; sv_events_cache = 0;
		220	SvIV_set (sv_events, revents);
		221	SvIOK_only (sv_events);
		222	}
		223	else
		224	{
		225	sv_events = newSViv (revents);
		226	SvREADONLY_on (sv_events);
		227	}
		228
		229	PUSHMARK (SP);
		230	EXTEND (SP, 2);
		231	PUSHs (sv_self);
		232	PUSHs (sv_events);
		233
		234	PUTBACK;
		235	call_sv (w->cb_sv, G_DISCARD | G_VOID | G_EVAL);
		236
		237	if (expect_false (SvREFCNT (sv_self) != 1 || sv_self_cache))
		238	SvREFCNT_dec (sv_self);
		239	else
		240	{
		241	SvREFCNT_dec (SvRV (sv_self));
		242	SvRV_set (sv_self, &PL_sv_undef);
		243	sv_self_cache = sv_self;
		244	}
		245
		246	if (expect_false (SvREFCNT (sv_events) != 1 || sv_events_cache))
		247	SvREFCNT_dec (sv_events);
		248	else
		249	sv_events_cache = sv_events;
		250
		251	if (expect_false (SvTRUE (ERRSV)))
		252	{
		253	SPAGAIN;
		254	PUSHMARK (SP);
		255	PUTBACK;
		256	call_sv (get_sv ("EV::DIED", 1), G_DISCARD | G_VOID | G_EVAL | G_KEEPERR);
		257	}
		258
		259	SP = PL_stack_base + mark;
		260	PUTBACK;
		261	}
		262
		263	static void
160	e_cb (int fd, short events, void *arg)	264	e_once_cb (int revents, void *arg)
161	{	265	{
162	struct ev *ev = (struct ev*)arg;	266	dSP;
		267	I32 mark = SP - PL_stack_base;
		268	SV *sv_events;
		269
		270	if (sv_events_cache)
		271	{
		272	sv_events = sv_events_cache; sv_events_cache = 0;
		273	SvIV_set (sv_events, revents);
		274	}
		275	else
		276	sv_events = newSViv (revents);
		277
		278	PUSHMARK (SP);
		279	XPUSHs (sv_events);
		280
		281	PUTBACK;
		282	call_sv ((SV *)arg, G_DISCARD | G_VOID | G_EVAL);
		283
		284	SvREFCNT_dec ((SV *)arg);
		285
		286	if (sv_events_cache)
		287	SvREFCNT_dec (sv_events);
		288	else
		289	sv_events_cache = sv_events;
		290
		291	if (SvTRUE (ERRSV))
		292	{
		293	SPAGAIN;
		294	PUSHMARK (SP);
		295	PUTBACK;
		296	call_sv (get_sv ("EV::DIED", 1), G_DISCARD | G_VOID | G_EVAL | G_KEEPERR);
		297	}
		298
		299	SP = PL_stack_base + mark;
		300	PUTBACK;
		301	}
		302
		303	static ev_tstamp
		304	e_periodic_cb (ev_periodic *w, ev_tstamp now)
		305	{
		306	ev_tstamp retval;
		307	int count;
163	dSP;	308	dSP;
164		309
165	ENTER;	310	ENTER;
166	SAVETMPS;	311	SAVETMPS;
167		312
168	if (!(ev->ev.ev_events & EV_PERSIST))
169	ev->active = 0;
170
171	PUSHMARK (SP);	313	PUSHMARK (SP);
172	EXTEND (SP, 2);	314	EXTEND (SP, 2);
173	PUSHs (sv_2mortal (e_self (ev)));	315	PUSHs (newRV_inc (e_self (w))); /* e_self (w) MUST be blessed by now */
174	PUSHs (sv_2mortal (newSViv (events)));	316	PUSHs (newSVnv (now));
		317
175	PUTBACK;	318	PUTBACK;
176	call_sv (ev->cb, G_DISCARD | G_VOID | G_EVAL);	319	count = call_sv (w->fh, G_SCALAR | G_EVAL);
177	/*TODO: if err, call some logging function */	320	SPAGAIN;
178		321
179	if (ev->interval && !ev->active)	322	if (SvTRUE (ERRSV))
180	e_start (ev);	323	{
		324	PUSHMARK (SP);
		325	PUTBACK;
		326	call_sv (get_sv ("EV::DIED", 1), G_DISCARD | G_VOID | G_EVAL | G_KEEPERR);
		327	SPAGAIN;
		328	}
		329
		330	if (count > 0)
		331	{
		332	retval = SvNV (TOPs);
		333
		334	if (retval < now)
		335	retval = now;
		336	}
		337	else
		338	retval = now;
181		339
182	FREETMPS;	340	FREETMPS;
183	LEAVE;	341	LEAVE;
184	}
185		342
186	/////////////////////////////////////////////////////////////////////////////	343	return retval;
187	// DNS	344	}
		345
		346	#define CHECK_REPEAT(repeat) if (repeat < 0.) \
		347	croak (# repeat " value must be >= 0");
		348
		349	#define CHECK_FD(fh,fd) if ((fd) < 0) \
		350	croak ("illegal file descriptor or filehandle (either no attached file descriptor or illegal value): %s", SvPV_nolen (fh));
		351
		352	#define CHECK_SIG(sv,num) if ((num) < 0) \
		353	croak ("illegal signal number or name: %s", SvPV_nolen (sv));
188		354
189	static void	355	static void
190	dns_cb (int result, char type, int count, int ttl, void *addresses, void *arg)	356	default_fork (void)
191	{	357	{
192	dSP;	358	ev_loop_fork (EV_DEFAULT_UC);
193	SV *cb = (SV *)arg;
194
195	ENTER;
196	SAVETMPS;
197	PUSHMARK (SP);
198	EXTEND (SP, count + 3);
199	PUSHs (sv_2mortal (newSViv (result)));
200
201	if (result == DNS_ERR_NONE && ttl >= 0)
202	{
203	int i;
204
205	PUSHs (sv_2mortal (newSViv (type)));
206	PUSHs (sv_2mortal (newSViv (ttl)));
207
208	for (i = 0; i < count; ++i)
209	switch (type)
210	{
211	case DNS_IPv6_AAAA:
212	PUSHs (sv_2mortal (newSVpvn (i * 16 + (char *)addresses, 16)));
213	break;
214	case DNS_IPv4_A:
215	PUSHs (sv_2mortal (newSVpvn (i * 4 + (char *)addresses, 4)));
216	break;
217	case DNS_PTR:
218	PUSHs (sv_2mortal (newSVpv (*(char **)addresses, 0)));
219	break;
220	}
221	}
222
223	PUTBACK;
224	call_sv (sv_2mortal (cb), G_DISCARD | G_VOID | G_EVAL);
225
226	FREETMPS;
227	LEAVE;
228	}	359	}
229		360
230	/////////////////////////////////////////////////////////////////////////////	361	/////////////////////////////////////////////////////////////////////////////
231	// XS interface functions	362	// XS interface functions
232		363
233	MODULE = EV PACKAGE = EV PREFIX = event_	364	MODULE = EV PACKAGE = EV PREFIX = ev_
		365
		366	PROTOTYPES: ENABLE
234		367
235	BOOT:	368	BOOT:
236	{	369	{
237	HV *stash = gv_stashpv ("EV", 1);	370	HV *stash = gv_stashpv ("EV", 1);
238		371
239	static const struct {	372	static const struct {
240	const char *name;	373	const char *name;
241	IV iv;	374	IV iv;
242	} *civ, const_iv[] = {	375	} *civ, const_iv[] = {
243	# define const_iv(pfx, name) { # name, (IV) pfx ## name },	376	# define const_iv(pfx, name) { # name, (IV) pfx ## name },
		377	const_iv (EV_, MINPRI)
		378	const_iv (EV_, MAXPRI)
		379
		380	const_iv (EV_, UNDEF)
244	const_iv (EV_, NONE)	381	const_iv (EV_, NONE)
245	const_iv (EV_, TIMEOUT)
246	const_iv (EV_, READ)	382	const_iv (EV_, READ)
247	const_iv (EV_, WRITE)	383	const_iv (EV_, WRITE)
		384	const_iv (EV_, IO)
		385	const_iv (EV_, TIMER)
		386	const_iv (EV_, PERIODIC)
248	const_iv (EV_, SIGNAL)	387	const_iv (EV_, SIGNAL)
		388	const_iv (EV_, CHILD)
249	const_iv (EV_, PERSIST)	389	const_iv (EV_, STAT)
		390	const_iv (EV_, IDLE)
		391	const_iv (EV_, PREPARE)
		392	/*const_iv (EV_, CHECK) needs special tretament */
		393	const_iv (EV_, EMBED)
		394	const_iv (EV_, FORK)
		395	const_iv (EV_, CLEANUP)
		396	const_iv (EV_, ASYNC)
		397	const_iv (EV_, CUSTOM)
		398	const_iv (EV_, ERROR)
		399
		400	const_iv (EV, RUN_NOWAIT)
250	const_iv (EV, LOOP_ONCE)	401	const_iv (EV, RUN_ONCE)
		402
		403	const_iv (EV, BREAK_CANCEL)
		404	const_iv (EV, BREAK_ONE)
		405	const_iv (EV, BREAK_ALL)
		406	const_iv (EV, BACKEND_SELECT)
		407	const_iv (EV, BACKEND_POLL)
		408	const_iv (EV, BACKEND_EPOLL)
		409	const_iv (EV, BACKEND_KQUEUE)
		410	const_iv (EV, BACKEND_DEVPOLL)
		411	const_iv (EV, BACKEND_PORT)
		412	const_iv (EV, BACKEND_ALL)
		413	const_iv (EV, BACKEND_MASK)
		414	const_iv (EV, FLAG_AUTO)
		415	const_iv (EV, FLAG_FORKCHECK)
		416	const_iv (EV, FLAG_SIGNALFD)
		417	const_iv (EV, FLAG_NOSIGMASK)
		418	const_iv (EV, FLAG_NOENV)
		419	const_iv (EV, FLAG_NOINOTIFY)
		420
		421	const_iv (EV_, VERSION_MAJOR)
		422	const_iv (EV_, VERSION_MINOR)
		423	#if EV_COMPAT3
		424	const_iv (EV, FLAG_NOSIGFD) /* compatibility, always 0 */
		425	const_iv (EV_, TIMEOUT)
251	const_iv (EV, LOOP_NONBLOCK)	426	const_iv (EV, LOOP_NONBLOCK)
252	const_iv (EV, BUFFER_READ)	427	const_iv (EV, LOOP_ONESHOT)
253	const_iv (EV, BUFFER_WRITE)	428	const_iv (EV, UNLOOP_CANCEL)
254	const_iv (EV, BUFFER_EOF)	429	const_iv (EV, UNLOOP_ONE)
255	const_iv (EV, BUFFER_ERROR)	430	const_iv (EV, UNLOOP_ALL)
256	const_iv (EV, BUFFER_TIMEOUT)	431	#endif
257	};	432	};
258		433
259	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	434	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
260	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	435	newCONSTSUB (stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
261		436
		437	/* since this clashes with perl CHECK blocks, */
		438	/* but we are interested in constants, */
		439	/* and not blocks, we treat CHECK specially. */
		440	{
		441	/* the local $^W = 0 takes care of the warning */
		442	CV *cv = newCONSTSUB (stash, "CHECK", newSViv (EV_CHECK));
		443	/* now we need to re-set the gv, in case it was hijacked */
		444	GvCV_set (gv_fetchpv ("EV::CHECK", GV_ADD, SVt_PVCV), cv);
		445	}
		446
		447	stash_loop = gv_stashpv ("EV::Loop" , 1);
262	stash_base = gv_stashpv ("EV::Base" , 1);	448	stash_watcher = gv_stashpv ("EV::Watcher" , 1);
		449	stash_io = gv_stashpv ("EV::IO" , 1);
		450	stash_timer = gv_stashpv ("EV::Timer" , 1);
		451	stash_periodic = gv_stashpv ("EV::Periodic", 1);
		452	stash_signal = gv_stashpv ("EV::Signal" , 1);
		453	stash_idle = gv_stashpv ("EV::Idle" , 1);
		454	stash_prepare = gv_stashpv ("EV::Prepare" , 1);
		455	stash_check = gv_stashpv ("EV::Check" , 1);
		456	stash_child = gv_stashpv ("EV::Child" , 1);
263	stash_event = gv_stashpv ("EV::Event", 1);	457	stash_embed = gv_stashpv ("EV::Embed" , 1);
264	}	458	stash_stat = gv_stashpv ("EV::Stat" , 1);
		459	stash_fork = gv_stashpv ("EV::Fork" , 1);
		460	stash_cleanup = gv_stashpv ("EV::Cleanup" , 1);
		461	stash_async = gv_stashpv ("EV::Async" , 1);
265		462
266	double now ()	463	{
267	CODE:	464	SV *sv = perl_get_sv ("EV::API", TRUE);
268	RETVAL = e_now ();	465	perl_get_sv ("EV::API", TRUE); /* silence 5.10 warning */
269	OUTPUT:
270	RETVAL
271		466
272	const char *version ()	467	/* the poor man's shared library emulator */
		468	evapi.ver = EV_API_VERSION;
		469	evapi.rev = EV_API_REVISION;
		470	evapi.sv_fileno = sv_fileno;
		471	evapi.sv_signum = s_signum;
		472	evapi.supported_backends = ev_supported_backends ();
		473	evapi.recommended_backends = ev_recommended_backends ();
		474	evapi.embeddable_backends = ev_embeddable_backends ();
		475	evapi.time_ = ev_time;
		476	evapi.sleep_ = ev_sleep;
		477	evapi.loop_new = ev_loop_new;
		478	evapi.loop_destroy = ev_loop_destroy;
		479	evapi.loop_fork = ev_loop_fork;
		480	evapi.iteration = ev_iteration;
		481	evapi.depth = ev_depth;
		482	evapi.set_userdata = ev_set_userdata;
		483	evapi.userdata = ev_userdata;
		484	evapi.now = ev_now;
		485	evapi.now_update = ev_now_update;
		486	evapi.suspend = ev_suspend;
		487	evapi.resume = ev_resume;
		488	evapi.backend = ev_backend;
		489	evapi.break_ = ev_break;
		490	evapi.invoke_pending = ev_invoke_pending;
		491	evapi.pending_count = ev_pending_count;
		492	evapi.verify = ev_verify;
		493	evapi.set_loop_release_cb = ev_set_loop_release_cb;
		494	evapi.set_invoke_pending_cb= ev_set_invoke_pending_cb;
		495	evapi.ref = ev_ref;
		496	evapi.unref = ev_unref;
		497	evapi.run = ev_run;
		498	evapi.once = ev_once;
		499	evapi.io_start = ev_io_start;
		500	evapi.io_stop = ev_io_stop;
		501	evapi.timer_start = ev_timer_start;
		502	evapi.timer_stop = ev_timer_stop;
		503	evapi.timer_again = ev_timer_again;
		504	evapi.timer_remaining = ev_timer_remaining;
		505	evapi.periodic_start = ev_periodic_start;
		506	evapi.periodic_stop = ev_periodic_stop;
		507	evapi.signal_start = ev_signal_start;
		508	evapi.signal_stop = ev_signal_stop;
		509	evapi.idle_start = ev_idle_start;
		510	evapi.idle_stop = ev_idle_stop;
		511	evapi.prepare_start = ev_prepare_start;
		512	evapi.prepare_stop = ev_prepare_stop;
		513	evapi.check_start = ev_check_start;
		514	evapi.check_stop = ev_check_stop;
		515	#if EV_CHILD_ENABLE
		516	evapi.child_start = ev_child_start;
		517	evapi.child_stop = ev_child_stop;
		518	#endif
		519	evapi.stat_start = ev_stat_start;
		520	evapi.stat_stop = ev_stat_stop;
		521	evapi.stat_stat = ev_stat_stat;
		522	evapi.embed_start = ev_embed_start;
		523	evapi.embed_stop = ev_embed_stop;
		524	evapi.embed_sweep = ev_embed_sweep;
		525	evapi.fork_start = ev_fork_start;
		526	evapi.fork_stop = ev_fork_stop;
		527	evapi.cleanup_start = ev_cleanup_start;
		528	evapi.cleanup_stop = ev_cleanup_stop;
		529	evapi.async_start = ev_async_start;
		530	evapi.async_stop = ev_async_stop;
		531	evapi.async_send = ev_async_send;
		532	evapi.clear_pending = ev_clear_pending;
		533	evapi.invoke = ev_invoke;
		534
		535	sv_setiv (sv, (IV)&evapi);
		536	SvREADONLY_on (sv);
		537	}
		538	#if !defined _WIN32 && !defined _MINIX && !EV_NO_ATFORK
		539	#if __linux
		540	int __register_atfork(void (*prepare) (void), void (*parent) (void), void (*child) (void), void * __dso_handle);
		541	__register_atfork (0, 0, default_fork, 0);
		542	#else
		543	pthread_atfork (0, 0, default_fork);
		544	#endif
		545	#endif
		546	}
		547
		548	SV *ev_default_loop (unsigned int flags = 0)
		549	CODE:
		550	{
		551	if (!default_loop_sv)
		552	{
		553	evapi.default_loop = ev_default_loop (flags);
		554
		555	if (!evapi.default_loop)
		556	XSRETURN_UNDEF;
		557
		558	default_loop_sv = sv_bless (newRV_noinc (newSViv (PTR2IV (evapi.default_loop))), stash_loop);
		559	}
		560
		561	RETVAL = newSVsv (default_loop_sv);
		562	}
		563	OUTPUT:
		564	RETVAL
		565
		566	void ev_default_destroy ()
		567	CODE:
		568	ev_loop_destroy (EV_DEFAULT_UC);
		569	SvREFCNT_dec (default_loop_sv);
		570	default_loop_sv = 0;
		571
		572	unsigned int ev_supported_backends ()
		573
		574	unsigned int ev_recommended_backends ()
		575
		576	unsigned int ev_embeddable_backends ()
		577
		578	void ev_sleep (NV interval)
		579
		580	NV ev_time ()
		581
		582	void ev_feed_signal (SV *signal)
		583	CODE:
		584	{
		585	Signal signum = s_signum (signal);
		586	CHECK_SIG (signal, signum);
		587
		588	ev_feed_signal (signum);
		589	}
		590
		591	NV ev_now ()
		592	C_ARGS: evapi.default_loop
		593
		594	void ev_now_update ()
		595	C_ARGS: evapi.default_loop
		596
		597	void ev_suspend ()
		598	C_ARGS: evapi.default_loop
		599
		600	void ev_resume ()
		601	C_ARGS: evapi.default_loop
		602
		603	unsigned int ev_backend ()
		604	C_ARGS: evapi.default_loop
		605
		606	void ev_verify ()
273	ALIAS:	607	ALIAS:
		608	loop_verify = 1
		609	C_ARGS: evapi.default_loop
		610
		611	unsigned int ev_iteration ()
		612	ALIAS:
		613	loop_count = 1
		614	C_ARGS: evapi.default_loop
		615
		616	unsigned int ev_depth ()
		617	ALIAS:
274	method = 1	618	loop_depth = 1
275	CODE:	619	C_ARGS: evapi.default_loop
276	RETVAL = ix ? event_get_method () : event_get_version ();
277	OUTPUT:
278	RETVAL
279		620
280	Base event_init ()	621	void ev_set_io_collect_interval (NV interval)
		622	C_ARGS: evapi.default_loop, interval
281		623
282	int event_priority_init (int npri)	624	void ev_set_timeout_collect_interval (NV interval)
		625	C_ARGS: evapi.default_loop, interval
283		626
284	int event_dispatch ()
285
286	int event_loop (int flags = 0)	627	int ev_run (int flags = 0)
		628	ALIAS:
		629	loop = 1
		630	C_ARGS: evapi.default_loop, flags
287		631
288	int event_loopexit (double after)	632	void ev_break (int how = EVBREAK_ONE)
289	CODE:	633	ALIAS:
290	{	634	unloop = 1
291	struct timeval tv;	635	C_ARGS: evapi.default_loop, how
292	tv_set (&tv, after);
293	event_loopexit (&tv);
294	}
295		636
296	Event event (SV *cb)	637	void ev_feed_fd_event (int fd, int revents = EV_NONE)
297	CODE:	638	C_ARGS: evapi.default_loop, fd, revents
298	RETVAL = e_new (0, 0, cb);
299	OUTPUT:
300	RETVAL
301		639
		640	void ev_feed_signal_event (SV *signal)
		641	CODE:
		642	{
		643	Signal signum = s_signum (signal);
		644	CHECK_SIG (signal, signum);
		645
		646	ev_feed_signal_event (evapi.default_loop, signum);
		647	}
		648
		649	unsigned int ev_pending_count ()
		650	C_ARGS: evapi.default_loop
		651
		652	void ev_invoke_pending ()
		653	C_ARGS: evapi.default_loop
		654
302	Event io (SV *fh, short events, SV *cb)	655	ev_io *io (SV *fh, int events, SV *cb)
303	ALIAS:	656	ALIAS:
304	io_ns = 1	657	io_ns = 1
		658	_ae_io = 2
305	CODE:	659	CODE:
306	RETVAL = e_new (fh, events, cb);	660	{
		661	int fd = s_fileno (fh, events & EV_WRITE);
		662	CHECK_FD (fh, fd);
		663
		664	if (ix == 2)
		665	{
		666	ix = 0;
		667	events = events ? EV_WRITE : EV_READ;
		668	}
		669
		670	RETVAL = e_new (sizeof (ev_io), cb, default_loop_sv);
		671	e_fh (RETVAL) = newSVsv (fh);
		672	ev_io_set (RETVAL, fd, events);
307	if (!ix) e_start (RETVAL);	673	if (!ix) START (io, RETVAL);
		674	}
308	OUTPUT:	675	OUTPUT:
309	RETVAL	676	RETVAL
310		677
311	Event timer (double after, int repeat, SV *cb)	678	ev_timer *timer (NV after, NV repeat, SV *cb)
312	ALIAS:	679	ALIAS:
313	timer_ns = 1	680	timer_ns = 1
		681	INIT:
		682	CHECK_REPEAT (repeat);
314	CODE:	683	CODE:
315	RETVAL = e_new (0, 0, cb);	684	RETVAL = e_new (sizeof (ev_timer), cb, default_loop_sv);
316	RETVAL->timeout = after;	685	ev_timer_set (RETVAL, after, repeat);
317	RETVAL->interval = repeat;	686	if (!ix) START (timer, RETVAL);
318	if (!ix) e_start (RETVAL);
319	OUTPUT:	687	OUTPUT:
320	RETVAL	688	RETVAL
321		689
322	Event timer_abs (double at, double interval, SV *cb)	690	SV *periodic (NV at, NV interval, SV *reschedule_cb, SV *cb)
323	ALIAS:	691	ALIAS:
324	timer_abs_ns = 1	692	periodic_ns = 1
		693	INIT:
		694	CHECK_REPEAT (interval);
325	CODE:	695	CODE:
326	RETVAL = e_new (0, 0, cb);	696	{
327	RETVAL->timeout = at;	697	ev_periodic *w;
328	RETVAL->interval = interval;	698	w = e_new (sizeof (ev_periodic), cb, default_loop_sv);
329	RETVAL->abstime = 1;	699	e_fh (w) = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
330	if (!ix) e_start (RETVAL);	700	ev_periodic_set (w, at, interval, e_fh (w) ? e_periodic_cb : 0);
		701	RETVAL = e_bless ((ev_watcher *)w, stash_periodic);
		702	if (!ix) START (periodic, w);
		703	}
331	OUTPUT:	704	OUTPUT:
332	RETVAL	705	RETVAL
333		706
334	Event signal (SV *signal, SV *cb)	707	ev_signal *signal (SV *signal, SV *cb)
335	ALIAS:	708	ALIAS:
336	signal_ns = 1	709	signal_ns = 1
337	CODE:	710	CODE:
338	RETVAL = e_new (signal, EV_SIGNAL | EV_PERSIST, cb);	711	{
		712	Signal signum = s_signum (signal);
		713	CHECK_SIG (signal, signum);
		714
		715	RETVAL = e_new (sizeof (ev_signal), cb, default_loop_sv);
		716	ev_signal_set (RETVAL, signum);
		717	if (!ix) START_SIGNAL (RETVAL);
		718	}
		719	OUTPUT:
		720	RETVAL
		721
		722	ev_idle *idle (SV *cb)
		723	ALIAS:
		724	idle_ns = 1
		725	CODE:
		726	RETVAL = e_new (sizeof (ev_idle), cb, default_loop_sv);
		727	ev_idle_set (RETVAL);
		728	if (!ix) START (idle, RETVAL);
		729	OUTPUT:
		730	RETVAL
		731
		732	ev_prepare *prepare (SV *cb)
		733	ALIAS:
		734	prepare_ns = 1
		735	CODE:
		736	RETVAL = e_new (sizeof (ev_prepare), cb, default_loop_sv);
		737	ev_prepare_set (RETVAL);
		738	if (!ix) START (prepare, RETVAL);
		739	OUTPUT:
		740	RETVAL
		741
		742	ev_check *check (SV *cb)
		743	ALIAS:
		744	check_ns = 1
		745	CODE:
		746	RETVAL = e_new (sizeof (ev_check), cb, default_loop_sv);
		747	ev_check_set (RETVAL);
		748	if (!ix) START (check, RETVAL);
		749	OUTPUT:
		750	RETVAL
		751
		752	ev_fork *fork (SV *cb)
		753	ALIAS:
		754	fork_ns = 1
		755	CODE:
		756	RETVAL = e_new (sizeof (ev_fork), cb, default_loop_sv);
		757	ev_fork_set (RETVAL);
		758	if (!ix) START (fork, RETVAL);
		759	OUTPUT:
		760	RETVAL
		761
		762	#if CLEANUP_ENABLED
		763
		764	ev_cleanup *cleanup (SV *cb)
		765	ALIAS:
		766	cleanup_ns = 1
		767	CODE:
		768	RETVAL = e_new (sizeof (ev_cleanup), cb, default_loop_sv);
		769	SvREFCNT_dec (RETVAL->loop); /* must not keep loop object alive */
		770	ev_cleanup_set (RETVAL);
		771	if (!ix) START (cleanup, RETVAL);
		772	OUTPUT:
		773	RETVAL
		774
		775	#endif
		776
		777	ev_child *child (int pid, int trace, SV *cb)
		778	ALIAS:
		779	child_ns = 1
		780	CODE:
		781	#if EV_CHILD_ENABLE
		782	RETVAL = e_new (sizeof (ev_child), cb, default_loop_sv);
		783	ev_child_set (RETVAL, pid, trace);
		784	if (!ix) START (child, RETVAL);
		785	#else
		786	croak ("EV::child watchers not supported on this platform");
		787	#endif
		788	OUTPUT:
		789	RETVAL
		790
		791
		792	ev_stat *stat (SV *path, NV interval, SV *cb)
		793	ALIAS:
		794	stat_ns = 1
		795	CODE:
		796	RETVAL = e_new (sizeof (ev_stat), cb, default_loop_sv);
		797	e_fh (RETVAL) = newSVsv (path);
		798	ev_stat_set (RETVAL, SvPVbyte_nolen (e_fh (RETVAL)), interval);
339	if (!ix) e_start (RETVAL);	799	if (!ix) START (stat, RETVAL);
340	OUTPUT:	800	OUTPUT:
341	RETVAL	801	RETVAL
		802
		803	#ifndef EV_NO_LOOPS
		804
		805	ev_embed *embed (struct ev_loop *loop, SV *cb = 0)
		806	ALIAS:
		807	embed_ns = 1
		808	CODE:
		809	{
		810	if (!(ev_backend (loop) & ev_embeddable_backends ()))
		811	croak ("passed loop is not embeddable via EV::embed,");
		812
		813	RETVAL = e_new (sizeof (ev_embed), cb, default_loop_sv);
		814	e_fh (RETVAL) = newSVsv (ST (0));
		815	ev_embed_set (RETVAL, loop);
		816	if (!ix) START (embed, RETVAL);
		817	}
		818	OUTPUT:
		819	RETVAL
		820
		821	#endif
		822
		823	ev_async *async (SV *cb)
		824	ALIAS:
		825	async_ns = 1
		826	CODE:
		827	RETVAL = e_new (sizeof (ev_async), cb, default_loop_sv);
		828	ev_async_set (RETVAL);
		829	if (!ix) START (async, RETVAL);
		830	OUTPUT:
		831	RETVAL
		832
		833	void once (SV *fh, int events, SV *timeout, SV *cb)
		834	CODE:
		835	ev_once (
		836	evapi.default_loop,
		837	s_fileno (fh, events & EV_WRITE), events,
		838	SvOK (timeout) ? SvNV (timeout) : -1.,
		839	e_once_cb,
		840	newSVsv (cb)
		841	);
342		842
343	PROTOTYPES: DISABLE	843	PROTOTYPES: DISABLE
344		844
345
346	MODULE = EV PACKAGE = EV::Base PREFIX = event_base_
347
348	Base new ()
349	CODE:
350	RETVAL = event_init ();
351	OUTPUT:
352	RETVAL
353
354	int event_base_dispatch (Base base)
355
356	int event_base_loop (Base base, int flags = 0)
357
358	int event_base_loopexit (Base base, double after)
359	CODE:
360	{
361	struct timeval tv;
362	tv.tv_sec = (long)after;
363	tv.tv_usec = (long)(after - tv.tv_sec) * 1e6;
364	event_base_loopexit (base, &tv);
365	}
366
367	int event_base_priority_init (Base base, int npri)
368
369	void event_base_set (Base base, Event ev)
370	C_ARGS: base, &ev->ev
371
372	void DESTROY (Base base)
373	CODE:
374	/*event_base_free (base);*/ /* causes too many problems */
375
376
377	MODULE = EV PACKAGE = EV::Event PREFIX = event_	845	MODULE = EV PACKAGE = EV::Watcher PREFIX = ev_
378		846
379	int event_priority_set (Event ev, int pri)	847	int ev_is_active (ev_watcher *w)
380	C_ARGS: &ev->ev, pri
381		848
382	int event_add (Event ev, double timeout = TIMEOUT_NONE)	849	int ev_is_pending (ev_watcher *w)
383	CODE:
384	ev->timeout = timeout;
385	ev->abstime = 0;
386	RETVAL = e_start (ev);
387	OUTPUT:
388	RETVAL
389		850
390	int event_start (Event ev)	851	void ev_invoke (ev_watcher *w, int revents = EV_NONE)
391	CODE:	852	C_ARGS: e_loop (w), w, revents
392	RETVAL = e_start (ev);
393	OUTPUT:
394	RETVAL
395		853
396	int event_del (Event ev)	854	int ev_clear_pending (ev_watcher *w)
397	ALIAS:	855	C_ARGS: e_loop (w), w
398	stop = 0
399	CODE:
400	RETVAL = e_stop (ev);
401	OUTPUT:
402	RETVAL
403		856
404	void DESTROY (Event ev)	857	void ev_feed_event (ev_watcher *w, int revents = EV_NONE)
405	CODE:	858	C_ARGS: e_loop (w), w, revents
406	e_stop (ev);
407	SvREFCNT_dec (ev->cb);
408	SvREFCNT_dec (ev->fh);
409		859
410	void cb (Event ev, SV *new_cb)	860	int keepalive (ev_watcher *w, int new_value = 0)
411	CODE:	861	CODE:
412	sv_setsv (ev->cb, new_cb);	862	{
		863	RETVAL = w->e_flags & WFLAG_KEEPALIVE;
		864	new_value = new_value ? WFLAG_KEEPALIVE : 0;
413		865
414	SV *fh (Event ev, SV *new_fh = 0)	866	if (items > 1 && ((new_value ^ w->e_flags) & WFLAG_KEEPALIVE))
415	ALIAS:	867	{
416	signal = 0	868	w->e_flags = (w->e_flags & ~WFLAG_KEEPALIVE) | new_value;
		869	REF (w);
		870	UNREF (w);
		871	}
		872	}
		873	OUTPUT:
		874	RETVAL
		875
		876	SV *cb (ev_watcher *w, SV *new_cb = 0)
417	CODE:	877	CODE:
418	RETVAL = newSVsv (ev->fh);	878	{
419	if (items > 1)	879	if (items > 1)
420	{	880	{
421	if (ev->active) event_del (&ev->ev);	881	new_cb = s_get_cv_croak (new_cb);
422	sv_setsv (ev->fh, new_fh);	882	RETVAL = newRV_noinc (w->cb_sv);
423	ev->ev.ev_fd = sv_fileno (ev->fh);	883	w->cb_sv = SvREFCNT_inc (new_cb);
424	if (ev->active) event_add (&ev->ev, e_tv (ev));
425	}	884	}
		885	else
		886	RETVAL = newRV_inc (w->cb_sv);
		887	}
426	OUTPUT:	888	OUTPUT:
427	RETVAL	889	RETVAL
428		890
429	short events (Event ev, short new_events = EV_UNDEF)	891	SV *data (ev_watcher *w, SV *new_data = 0)
430	CODE:	892	CODE:
431	RETVAL = ev->ev.ev_events;	893	{
		894	RETVAL = w->data ? newSVsv (w->data) : &PL_sv_undef;
		895
432	if (items > 1)	896	if (items > 1)
433	{	897	{
434	if (ev->active) event_del (&ev->ev);	898	SvREFCNT_dec (w->data);
435	ev->ev.ev_events = new_events;	899	w->data = newSVsv (new_data);
436	if (ev->active) event_add (&ev->ev, e_tv (ev));
437	}	900	}
		901	}
438	OUTPUT:	902	OUTPUT:
439	RETVAL	903	RETVAL
440		904
441	double timeout (Event ev, double new_timeout = 0., int repeat = 0)	905	SV *loop (ev_watcher *w)
442	CODE:	906	CODE:
443	RETVAL = ev->timeout;	907	RETVAL = newRV_inc (w->loop);
		908	OUTPUT:
		909	RETVAL
		910
		911	int priority (ev_watcher *w, int new_priority = 0)
		912	CODE:
		913	{
		914	RETVAL = w->priority;
		915
444	if (items > 1)	916	if (items > 1)
445	{	917	{
446	if (ev->active) event_del (&ev->ev);	918	int active = ev_is_active (w);
447	ev->timeout = new_timeout;	919
448	ev->interval = repeat;	920	if (active)
449	ev->abstime = 0;	921	{
450	if (ev->active) event_add (&ev->ev, e_tv (ev));	922	/* grrr. */
		923	PUSHMARK (SP);
		924	XPUSHs (ST (0));
		925	PUTBACK;
		926	call_method ("stop", G_DISCARD | G_VOID);
		927	}
		928
		929	ev_set_priority (w, new_priority);
		930
		931	if (active)
		932	{
		933	PUSHMARK (SP);
		934	XPUSHs (ST (0));
		935	PUTBACK;
		936	call_method ("start", G_DISCARD | G_VOID);
		937	}
451	}	938	}
		939	}
452	OUTPUT:	940	OUTPUT:
453	RETVAL	941	RETVAL
454		942
455	void timeout_abs (Event ev, double at, double interval = 0.)
456	CODE:
457	if (ev->active) event_del (&ev->ev);
458	ev->timeout = at;
459	ev->interval = interval;
460	ev->abstime = 1;
461	if (ev->active) event_add (&ev->ev, e_tv (ev));
462
463
464	MODULE = EV PACKAGE = EV::DNS PREFIX = evdns_	943	MODULE = EV PACKAGE = EV::IO PREFIX = ev_io_
465		944
466	BOOT:	945	void ev_io_start (ev_io *w)
467	{	946	CODE:
468	HV *stash = gv_stashpv ("EV::DNS", 1);	947	START (io, w);
469		948
470	static const struct {	949	void ev_io_stop (ev_io *w)
471	const char *name;	950	CODE:
472	IV iv;	951	STOP (io, w);
473	} *civ, const_iv[] = {
474	# define const_iv(pfx, name) { # name, (IV) pfx ## name },
475		952
476	const_iv (DNS_, ERR_NONE)	953	void DESTROY (ev_io *w)
477	const_iv (DNS_, ERR_FORMAT)	954	CODE:
478	const_iv (DNS_, ERR_SERVERFAILED)	955	STOP (io, w);
479	const_iv (DNS_, ERR_NOTEXIST)	956	e_destroy (w);
480	const_iv (DNS_, ERR_NOTIMPL)
481	const_iv (DNS_, ERR_REFUSED)
482	const_iv (DNS_, ERR_TRUNCATED)
483	const_iv (DNS_, ERR_UNKNOWN)
484	const_iv (DNS_, ERR_TIMEOUT)
485	const_iv (DNS_, ERR_SHUTDOWN)
486	const_iv (DNS_, IPv4_A)
487	const_iv (DNS_, PTR)
488	const_iv (DNS_, IPv6_AAAA)
489	const_iv (DNS_, QUERY_NO_SEARCH)
490	const_iv (DNS_, OPTION_SEARCH)
491	const_iv (DNS_, OPTION_NAMESERVERS)
492	const_iv (DNS_, OPTION_MISC)
493	const_iv (DNS_, OPTIONS_ALL)
494	const_iv (DNS_, NO_SEARCH)
495	};
496		957
497	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	958	void set (ev_io *w, SV *fh, int events)
498	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	959	CODE:
499	}	960	{
		961	int fd = s_fileno (fh, events & EV_WRITE);
		962	CHECK_FD (fh, fd);
500		963
501	int evdns_init ()	964	sv_setsv (e_fh (w), fh);
		965	RESET (io, w, (w, fd, events));
		966	}
502		967
503	void evdns_shutdown (int fail_requests = 1)	968	SV *fh (ev_io *w, SV *new_fh = 0)
		969	CODE:
		970	{
		971	if (items > 1)
		972	{
		973	int fd = s_fileno (new_fh, w->events & EV_WRITE);
		974	CHECK_FD (new_fh, fd);
504		975
505	const char *evdns_err_to_string (int err)	976	RETVAL = e_fh (w);
		977	e_fh (w) = newSVsv (new_fh);
506		978
507	int evdns_nameserver_add (U32 address)	979	RESET (io, w, (w, fd, w->events));
		980	}
		981	else
		982	RETVAL = newSVsv (e_fh (w));
		983	}
		984	OUTPUT:
		985	RETVAL
508		986
509	int evdns_count_nameservers ()	987	int events (ev_io *w, int new_events = EV_UNDEF)
		988	CODE:
		989	{
		990	RETVAL = w->events;
510		991
511	int evdns_clear_nameservers_and_suspend ()	992	if (items > 1)
		993	RESET (io, w, (w, w->fd, new_events));
		994	}
		995	OUTPUT:
		996	RETVAL
512		997
513	int evdns_resume ()	998	MODULE = EV PACKAGE = EV::Signal PREFIX = ev_signal_
514		999
515	int evdns_nameserver_ip_add (char *ip_as_string)	1000	void ev_signal_start (ev_signal *w)
		1001	CODE:
		1002	START_SIGNAL (w);
516		1003
517	int evdns_resolve_ipv4 (const char *name, int flags, SV *cb)	1004	void ev_signal_stop (ev_signal *w)
518	C_ARGS: name, flags, dns_cb, (void *)SvREFCNT_inc (cb)	1005	CODE:
		1006	STOP (signal, w);
519		1007
520	int evdns_resolve_ipv6 (const char *name, int flags, SV *cb)	1008	void DESTROY (ev_signal *w)
521	C_ARGS: name, flags, dns_cb, (void *)SvREFCNT_inc (cb)	1009	CODE:
		1010	STOP (signal, w);
		1011	e_destroy (w);
522		1012
523	int evdns_resolve_reverse (SV *addr, int flags, SV *cb)	1013	void set (ev_signal *w, SV *signal)
524	ALIAS:	1014	CODE:
525	evdns_resolve_reverse_ipv6 = 1	1015	{
		1016	Signal signum = s_signum (signal);
		1017	CHECK_SIG (signal, signum);
		1018
		1019	RESET_SIGNAL (w, (w, signum));
		1020	}
		1021
		1022	int signal (ev_signal *w, SV *new_signal = 0)
		1023	CODE:
		1024	{
		1025	RETVAL = w->signum;
		1026
		1027	if (items > 1)
		1028	{
		1029	Signal signum = s_signum (new_signal);
		1030	CHECK_SIG (new_signal, signum);
		1031
		1032	RESET_SIGNAL (w, (w, signum));
		1033	}
		1034	}
		1035	OUTPUT:
		1036	RETVAL
		1037
		1038	MODULE = EV PACKAGE = EV::Timer PREFIX = ev_timer_
		1039
		1040	void ev_timer_start (ev_timer *w)
		1041	INIT:
		1042	CHECK_REPEAT (w->repeat);
		1043	CODE:
		1044	START (timer, w);
		1045
		1046	void ev_timer_stop (ev_timer *w)
		1047	CODE:
		1048	STOP (timer, w);
		1049
		1050	void ev_timer_again (ev_timer *w)
		1051	INIT:
		1052	CHECK_REPEAT (w->repeat);
526	CODE:	1053	CODE:
527	{	1054	ev_timer_again (e_loop (w), w);
528	STRLEN len;	1055	UNREF (w);
529	char *data = SvPVbyte (addr, len);
530	if (len != (ix ? 16 : 4))
531	croak ("ipv4/ipv6 address to resolve must be given as 4/16 byte octet string");
532		1056
		1057	NV ev_timer_remaining (ev_timer *w)
		1058	C_ARGS: e_loop (w), w
		1059
		1060	void DESTROY (ev_timer *w)
		1061	CODE:
		1062	STOP (timer, w);
		1063	e_destroy (w);
		1064
		1065	void set (ev_timer *w, NV after, NV repeat = 0.)
		1066	INIT:
		1067	CHECK_REPEAT (repeat);
		1068	CODE:
		1069	RESET (timer, w, (w, after, repeat));
		1070
		1071	MODULE = EV PACKAGE = EV::Periodic PREFIX = ev_periodic_
		1072
		1073	void ev_periodic_start (ev_periodic *w)
		1074	INIT:
		1075	CHECK_REPEAT (w->interval);
		1076	CODE:
		1077	START (periodic, w);
		1078
		1079	void ev_periodic_stop (ev_periodic *w)
		1080	CODE:
		1081	STOP (periodic, w);
		1082
		1083	void ev_periodic_again (ev_periodic *w)
		1084	CODE:
		1085	ev_periodic_again (e_loop (w), w);
		1086	UNREF (w);
		1087
		1088	void DESTROY (ev_periodic *w)
		1089	CODE:
		1090	STOP (periodic, w);
		1091	e_destroy (w);
		1092
		1093	void set (ev_periodic *w, NV at, NV interval = 0., SV *reschedule_cb = &PL_sv_undef)
		1094	INIT:
		1095	CHECK_REPEAT (interval);
		1096	CODE:
		1097	{
		1098	SvREFCNT_dec (e_fh (w));
		1099	e_fh (w) = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
		1100
		1101	RESET (periodic, w, (w, at, interval, e_fh (w) ? e_periodic_cb : 0));
		1102	}
		1103
		1104	NV at (ev_periodic *w)
		1105	CODE:
		1106	RETVAL = ev_periodic_at (w);
		1107	OUTPUT:
		1108	RETVAL
		1109
		1110	MODULE = EV PACKAGE = EV::Idle PREFIX = ev_idle_
		1111
		1112	void ev_idle_start (ev_idle *w)
		1113	CODE:
		1114	START (idle, w);
		1115
		1116	void ev_idle_stop (ev_idle *w)
		1117	CODE:
		1118	STOP (idle, w);
		1119
		1120	void DESTROY (ev_idle *w)
		1121	CODE:
		1122	STOP (idle, w);
		1123	e_destroy (w);
		1124
		1125	MODULE = EV PACKAGE = EV::Prepare PREFIX = ev_prepare_
		1126
		1127	void ev_prepare_start (ev_prepare *w)
		1128	CODE:
		1129	START (prepare, w);
		1130
		1131	void ev_prepare_stop (ev_prepare *w)
		1132	CODE:
		1133	STOP (prepare, w);
		1134
		1135	void DESTROY (ev_prepare *w)
		1136	CODE:
		1137	STOP (prepare, w);
		1138	e_destroy (w);
		1139
		1140	MODULE = EV PACKAGE = EV::Check PREFIX = ev_check_
		1141
		1142	void ev_check_start (ev_check *w)
		1143	CODE:
		1144	START (check, w);
		1145
		1146	void ev_check_stop (ev_check *w)
		1147	CODE:
		1148	STOP (check, w);
		1149
		1150	void DESTROY (ev_check *w)
		1151	CODE:
		1152	STOP (check, w);
		1153	e_destroy (w);
		1154
		1155	MODULE = EV PACKAGE = EV::Fork PREFIX = ev_fork_
		1156
		1157	void ev_fork_start (ev_fork *w)
		1158	CODE:
		1159	START (fork, w);
		1160
		1161	void ev_fork_stop (ev_fork *w)
		1162	CODE:
		1163	STOP (fork, w);
		1164
		1165	void DESTROY (ev_fork *w)
		1166	CODE:
		1167	STOP (fork, w);
		1168	e_destroy (w);
		1169
		1170	#if CLEANUP_ENABLED
		1171
		1172	MODULE = EV PACKAGE = EV::Cleanup PREFIX = ev_cleanup_
		1173
		1174	void ev_cleanup_start (ev_cleanup *w)
		1175	CODE:
		1176	START (cleanup, w);
		1177
		1178	void ev_cleanup_stop (ev_cleanup *w)
		1179	CODE:
		1180	STOP (cleanup, w);
		1181
		1182	void DESTROY (ev_cleanup *w)
		1183	CODE:
		1184	STOP (cleanup, w);
		1185	SvREFCNT_inc (w->loop); /* has been dec'ed on creation */
		1186	e_destroy (w);
		1187
		1188	int keepalive (ev_watcher *w, SV *new_value = 0)
		1189	CODE:
533	RETVAL = ix	1190	RETVAL = 1;
534	? evdns_resolve_reverse_ipv6 ((struct in6_addr *)data, flags, dns_cb, (void *)SvREFCNT_inc (cb))
535	: evdns_resolve_reverse ((struct in_addr *)data, flags, dns_cb, (void *)SvREFCNT_inc (cb));
536	}
537	OUTPUT:	1191	OUTPUT:
538	RETVAL	1192	RETVAL
539
540	int evdns_set_option (char *option, char *val, int flags)
541
542	int evdns_resolv_conf_parse (int flags, const char *filename)
543
544	#ifdef MS_WINDOWS
545
546	int evdns_config_windows_nameservers ()
547		1193
548	#endif	1194	#endif
549		1195
550	void evdns_search_clear ()	1196	MODULE = EV PACKAGE = EV::Child PREFIX = ev_child_
551		1197
552	void evdns_search_add (char *domain)	1198	#if EV_CHILD_ENABLE
553		1199
554	void evdns_search_ndots_set (int ndots)	1200	void ev_child_start (ev_child *w)
		1201	CODE:
		1202	START (child, w);
555		1203
		1204	void ev_child_stop (ev_child *w)
		1205	CODE:
		1206	STOP (child, w);
		1207
		1208	void DESTROY (ev_child *w)
		1209	CODE:
		1210	STOP (child, w);
		1211	e_destroy (w);
		1212
		1213	void set (ev_child *w, int pid, int trace)
		1214	CODE:
		1215	RESET (child, w, (w, pid, trace));
		1216
		1217	int pid (ev_child *w)
		1218	ALIAS:
		1219	rpid = 1
		1220	rstatus = 2
		1221	CODE:
		1222	RETVAL = ix == 0 ? w->pid
		1223	: ix == 1 ? w->rpid
		1224	: w->rstatus;
		1225	OUTPUT:
		1226	RETVAL
		1227
		1228	#endif
		1229
		1230	MODULE = EV PACKAGE = EV::Stat PREFIX = ev_stat_
		1231
		1232	void ev_stat_start (ev_stat *w)
		1233	CODE:
		1234	START (stat, w);
		1235
		1236	void ev_stat_stop (ev_stat *w)
		1237	CODE:
		1238	STOP (stat, w);
		1239
		1240	void DESTROY (ev_stat *w)
		1241	CODE:
		1242	STOP (stat, w);
		1243	e_destroy (w);
		1244
		1245	void set (ev_stat *w, SV *path, NV interval)
		1246	CODE:
		1247	{
		1248	sv_setsv (e_fh (w), path);
		1249	RESET (stat, w, (w, SvPVbyte_nolen (e_fh (w)), interval));
		1250	}
		1251
		1252	SV *path (ev_stat *w, SV *new_path = 0)
		1253	CODE:
		1254	{
		1255	RETVAL = SvREFCNT_inc (e_fh (w));
		1256
		1257	if (items > 1)
		1258	{
		1259	SvREFCNT_dec (e_fh (w));
		1260	e_fh (w) = newSVsv (new_path);
		1261	RESET (stat, w, (w, SvPVbyte_nolen (e_fh (w)), w->interval));
		1262	}
		1263	}
		1264	OUTPUT:
		1265	RETVAL
		1266
		1267	NV interval (ev_stat *w, NV new_interval = 0.)
		1268	CODE:
		1269	{
		1270	RETVAL = w->interval;
		1271
		1272	if (items > 1)
		1273	RESET (stat, w, (w, SvPVbyte_nolen (e_fh (w)), new_interval));
		1274	}
		1275	OUTPUT:
		1276	RETVAL
		1277
		1278	void prev (ev_stat *w)
		1279	ALIAS:
		1280	stat = 1
		1281	attr = 2
		1282	PPCODE:
		1283	{
		1284	ev_statdata *s = ix ? &w->attr : &w->prev;
		1285
		1286	if (ix == 1)
		1287	ev_stat_stat (e_loop (w), w);
		1288	else if (!s->st_nlink)
		1289	errno = ENOENT;
		1290
		1291	PL_statcache.st_dev = s->st_nlink;
		1292	PL_statcache.st_ino = s->st_ino;
		1293	PL_statcache.st_mode = s->st_mode;
		1294	PL_statcache.st_nlink = s->st_nlink;
		1295	PL_statcache.st_uid = s->st_uid;
		1296	PL_statcache.st_gid = s->st_gid;
		1297	PL_statcache.st_rdev = s->st_rdev;
		1298	PL_statcache.st_size = s->st_size;
		1299	PL_statcache.st_atime = s->st_atime;
		1300	PL_statcache.st_mtime = s->st_mtime;
		1301	PL_statcache.st_ctime = s->st_ctime;
		1302
		1303	if (GIMME_V == G_SCALAR)
		1304	XPUSHs (boolSV (s->st_nlink));
		1305	else if (GIMME_V == G_ARRAY && s->st_nlink)
		1306	{
		1307	EXTEND (SP, 13);
		1308	PUSHs (sv_2mortal (newSViv (s->st_dev)));
		1309	PUSHs (sv_2mortal (newSViv (s->st_ino)));
		1310	PUSHs (sv_2mortal (newSVuv (s->st_mode)));
		1311	PUSHs (sv_2mortal (newSVuv (s->st_nlink)));
		1312	PUSHs (sv_2mortal (newSViv (s->st_uid)));
		1313	PUSHs (sv_2mortal (newSViv (s->st_gid)));
		1314	PUSHs (sv_2mortal (newSViv (s->st_rdev)));
		1315	PUSHs (sv_2mortal (newSVnv ((NV)s->st_size)));
		1316	PUSHs (sv_2mortal (newSVnv (s->st_atime)));
		1317	PUSHs (sv_2mortal (newSVnv (s->st_mtime)));
		1318	PUSHs (sv_2mortal (newSVnv (s->st_ctime)));
		1319	PUSHs (sv_2mortal (newSVuv (4096)));
		1320	PUSHs (sv_2mortal (newSVnv ((NV)((s->st_size + 4095) / 4096))));
		1321	}
		1322	}
		1323
		1324	MODULE = EV PACKAGE = EV::Embed PREFIX = ev_embed_
		1325
		1326	void ev_embed_start (ev_embed *w)
		1327	CODE:
		1328	START (embed, w);
		1329
		1330	void ev_embed_stop (ev_embed *w)
		1331	CODE:
		1332	STOP (embed, w);
		1333
		1334	void DESTROY (ev_embed *w)
		1335	CODE:
		1336	STOP (embed, w);
		1337	e_destroy (w);
		1338
		1339	void set (ev_embed *w, struct ev_loop *loop)
		1340	CODE:
		1341	{
		1342	sv_setsv (e_fh (w), ST (1));
		1343	RESET (embed, w, (w, loop));
		1344	}
		1345
		1346	SV *other (ev_embed *w)
		1347	CODE:
		1348	RETVAL = newSVsv (e_fh (w));
		1349	OUTPUT:
		1350	RETVAL
		1351
		1352	void ev_embed_sweep (ev_embed *w)
		1353	C_ARGS: e_loop (w), w
		1354
		1355	MODULE = EV PACKAGE = EV::Async PREFIX = ev_async_
		1356
		1357	void ev_async_start (ev_async *w)
		1358	CODE:
		1359	START (async, w);
		1360
		1361	void ev_async_stop (ev_async *w)
		1362	CODE:
		1363	STOP (async, w);
		1364
		1365	void DESTROY (ev_async *w)
		1366	CODE:
		1367	STOP (async, w);
		1368	e_destroy (w);
		1369
		1370	void ev_async_send (ev_async *w)
		1371	C_ARGS: e_loop (w), w
		1372
		1373	SV *ev_async_async_pending (ev_async *w)
		1374	CODE:
		1375	RETVAL = boolSV (ev_async_pending (w));
		1376	OUTPUT:
		1377	RETVAL
		1378
		1379	#ifndef EV_NO_LOOPS
		1380
		1381	MODULE = EV PACKAGE = EV::Loop PREFIX = ev_
		1382
		1383	SV *new (SV *klass, unsigned int flags = 0)
		1384	CODE:
		1385	{
		1386	struct ev_loop *loop = ev_loop_new (flags);
		1387
		1388	if (!loop)
		1389	XSRETURN_UNDEF;
		1390
		1391	RETVAL = sv_bless (newRV_noinc (newSViv (PTR2IV (loop))), stash_loop);
		1392	}
		1393	OUTPUT:
		1394	RETVAL
		1395
		1396	void DESTROY (struct ev_loop *loop)
		1397	CODE:
		1398	/* 1. the default loop shouldn't be freed by destroying it's perl loop object */
		1399	/* 2. not doing so helps avoid many global destruction bugs in perl, too */
		1400	if (loop != evapi.default_loop)
		1401	ev_loop_destroy (loop);
		1402
		1403	void ev_loop_fork (struct ev_loop *loop)
		1404
		1405	NV ev_now (struct ev_loop *loop)
		1406
		1407	void ev_now_update (struct ev_loop *loop)
		1408
		1409	void ev_suspend (struct ev_loop *loop)
		1410
		1411	void ev_resume (struct ev_loop *loop)
		1412
		1413	void ev_set_io_collect_interval (struct ev_loop *loop, NV interval)
		1414
		1415	void ev_set_timeout_collect_interval (struct ev_loop *loop, NV interval)
		1416
		1417	unsigned int ev_backend (struct ev_loop *loop)
		1418
		1419	void ev_verify (struct ev_loop *loop)
		1420	ALIAS:
		1421	loop_verify = 1
		1422
		1423	unsigned int ev_iteration (struct ev_loop *loop)
		1424	ALIAS:
		1425	loop_count = 1
		1426
		1427	unsigned int ev_depth (struct ev_loop *loop)
		1428	ALIAS:
		1429	loop_depth = 1
		1430
		1431	int ev_run (struct ev_loop *loop, int flags = 0)
		1432	ALIAS:
		1433	loop = 1
		1434
		1435	void ev_break (struct ev_loop *loop, int how = 1)
		1436	ALIAS:
		1437	unloop = 1
		1438
		1439	void ev_feed_fd_event (struct ev_loop *loop, int fd, int revents = EV_NONE)
		1440
		1441	unsigned int ev_pending_count (struct ev_loop *loop)
		1442
		1443	void ev_invoke_pending (struct ev_loop *loop)
		1444
		1445	#if 0
		1446
		1447	void ev_feed_signal_event (struct ev_loop *loop, SV *signal)
		1448	CODE:
		1449	{
		1450	Signal signum = s_signum (signal);
		1451	CHECK_SIG (signal, signum);
		1452
		1453	ev_feed_signal_event (loop, signum);
		1454	}
		1455
		1456	#endif
		1457
		1458	ev_io *io (struct ev_loop *loop, SV *fh, int events, SV *cb)
		1459	ALIAS:
		1460	io_ns = 1
		1461	CODE:
		1462	{
		1463	int fd = s_fileno (fh, events & EV_WRITE);
		1464	CHECK_FD (fh, fd);
		1465
		1466	RETVAL = e_new (sizeof (ev_io), cb, ST (0));
		1467	e_fh (RETVAL) = newSVsv (fh);
		1468	ev_io_set (RETVAL, fd, events);
		1469	if (!ix) START (io, RETVAL);
		1470	}
		1471	OUTPUT:
		1472	RETVAL
		1473
		1474	ev_timer *timer (struct ev_loop *loop, NV after, NV repeat, SV *cb)
		1475	ALIAS:
		1476	timer_ns = 1
		1477	INIT:
		1478	CHECK_REPEAT (repeat);
		1479	CODE:
		1480	RETVAL = e_new (sizeof (ev_timer), cb, ST (0));
		1481	ev_timer_set (RETVAL, after, repeat);
		1482	if (!ix) START (timer, RETVAL);
		1483	OUTPUT:
		1484	RETVAL
		1485
		1486	SV *periodic (struct ev_loop *loop, NV at, NV interval, SV *reschedule_cb, SV *cb)
		1487	ALIAS:
		1488	periodic_ns = 1
		1489	INIT:
		1490	CHECK_REPEAT (interval);
		1491	CODE:
		1492	{
		1493	ev_periodic *w;
		1494	w = e_new (sizeof (ev_periodic), cb, ST (0));
		1495	e_fh (w) = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
		1496	ev_periodic_set (w, at, interval, e_fh (w) ? e_periodic_cb : 0);
		1497	RETVAL = e_bless ((ev_watcher *)w, stash_periodic);
		1498	if (!ix) START (periodic, w);
		1499	}
		1500	OUTPUT:
		1501	RETVAL
		1502
		1503	ev_signal *signal (struct ev_loop *loop, SV *signal, SV *cb)
		1504	ALIAS:
		1505	signal_ns = 1
		1506	CODE:
		1507	{
		1508	Signal signum = s_signum (signal);
		1509	CHECK_SIG (signal, signum);
		1510
		1511	RETVAL = e_new (sizeof (ev_signal), cb, ST (0));
		1512	ev_signal_set (RETVAL, signum);
		1513	if (!ix) START_SIGNAL (RETVAL);
		1514	}
		1515	OUTPUT:
		1516	RETVAL
		1517
		1518	ev_idle *idle (struct ev_loop *loop, SV *cb)
		1519	ALIAS:
		1520	idle_ns = 1
		1521	CODE:
		1522	RETVAL = e_new (sizeof (ev_idle), cb, ST (0));
		1523	ev_idle_set (RETVAL);
		1524	if (!ix) START (idle, RETVAL);
		1525	OUTPUT:
		1526	RETVAL
		1527
		1528	ev_prepare *prepare (struct ev_loop *loop, SV *cb)
		1529	ALIAS:
		1530	prepare_ns = 1
		1531	CODE:
		1532	RETVAL = e_new (sizeof (ev_prepare), cb, ST (0));
		1533	ev_prepare_set (RETVAL);
		1534	if (!ix) START (prepare, RETVAL);
		1535	OUTPUT:
		1536	RETVAL
		1537
		1538	ev_check *check (struct ev_loop *loop, SV *cb)
		1539	ALIAS:
		1540	check_ns = 1
		1541	CODE:
		1542	RETVAL = e_new (sizeof (ev_check), cb, ST (0));
		1543	ev_check_set (RETVAL);
		1544	if (!ix) START (check, RETVAL);
		1545	OUTPUT:
		1546	RETVAL
		1547
		1548	ev_fork *fork (struct ev_loop *loop, SV *cb)
		1549	ALIAS:
		1550	fork_ns = 1
		1551	CODE:
		1552	RETVAL = e_new (sizeof (ev_fork), cb, ST (0));
		1553	ev_fork_set (RETVAL);
		1554	if (!ix) START (fork, RETVAL);
		1555	OUTPUT:
		1556	RETVAL
		1557
		1558	#if CLEANUP_ENABLED
		1559
		1560	ev_cleanup *cleanup (struct ev_loop *loop, SV *cb)
		1561	ALIAS:
		1562	cleanup_ns = 1
		1563	CODE:
		1564	RETVAL = e_new (sizeof (ev_cleanup), cb, ST (0));
		1565	SvREFCNT_dec (RETVAL->loop); /* must not keep loop object alive */
		1566	ev_cleanup_set (RETVAL);
		1567	if (!ix) START (cleanup, RETVAL);
		1568	OUTPUT:
		1569	RETVAL
		1570
		1571	#endif
		1572
		1573	ev_child *child (struct ev_loop *loop, int pid, int trace, SV *cb)
		1574	ALIAS:
		1575	child_ns = 1
		1576	CODE:
		1577	#if EV_CHILD_ENABLE
		1578	RETVAL = e_new (sizeof (ev_child), cb, ST (0));
		1579	ev_child_set (RETVAL, pid, trace);
		1580	if (!ix) START (child, RETVAL);
		1581	#else
		1582	croak ("EV::child watchers not supported on this platform");
		1583	#endif
		1584	OUTPUT:
		1585	RETVAL
		1586
		1587	ev_stat *stat (struct ev_loop *loop, SV *path, NV interval, SV *cb)
		1588	ALIAS:
		1589	stat_ns = 1
		1590	CODE:
		1591	RETVAL = e_new (sizeof (ev_stat), cb, ST (0));
		1592	e_fh (RETVAL) = newSVsv (path);
		1593	ev_stat_set (RETVAL, SvPVbyte_nolen (e_fh (RETVAL)), interval);
		1594	if (!ix) START (stat, RETVAL);
		1595	OUTPUT:
		1596	RETVAL
		1597
		1598	ev_embed *embed (struct ev_loop *loop, struct ev_loop *other, SV *cb = 0)
		1599	ALIAS:
		1600	embed_ns = 1
		1601	CODE:
		1602	{
		1603	if (!(ev_backend (other) & ev_embeddable_backends ()))
		1604	croak ("passed loop is not embeddable via EV::embed,");
		1605
		1606	RETVAL = e_new (sizeof (ev_embed), cb, ST (0));
		1607	e_fh (RETVAL) = newSVsv (ST (1));
		1608	ev_embed_set (RETVAL, other);
		1609	if (!ix) START (embed, RETVAL);
		1610	}
		1611	OUTPUT:
		1612	RETVAL
		1613
		1614	ev_async *async (struct ev_loop *loop, SV *cb)
		1615	ALIAS:
		1616	async_ns = 1
		1617	CODE:
		1618	RETVAL = e_new (sizeof (ev_async), cb, ST (0));
		1619	ev_async_set (RETVAL);
		1620	if (!ix) START (async, RETVAL);
		1621	OUTPUT:
		1622	RETVAL
		1623
		1624	void once (struct ev_loop *loop, SV *fh, int events, SV *timeout, SV *cb)
		1625	CODE:
		1626	ev_once (
		1627	loop,
		1628	s_fileno (fh, events & EV_WRITE), events,
		1629	SvOK (timeout) ? SvNV (timeout) : -1.,
		1630	e_once_cb,
		1631	newSVsv (cb)
		1632	);
		1633
		1634	#endif
		1635

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