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Comparing EV/EV.xs (file contents):
Revision 1.7 by root, Sat Oct 27 14:54:21 2007 UTC vs.
Revision 1.135 by root, Thu Dec 31 06:59:47 2009 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	/* fix perl api breakage */
		6	#undef signal
		7	#undef sigaction
		8
		9	#include "schmorp.h"
		10
		11	/* old API compatibility */
		12	static int
		13	sv_fileno (SV *fh)
		14	{
		15	return s_fileno (fh, 0);
		16	}
		17
		18	#define EV_PROTOTYPES 1
		19	#define EV_USE_NANOSLEEP EV_USE_MONOTONIC
		20	#define EV_H <ev.h>
		21	#include "EV/EVAPI.h"
		22
		23	#define EV_SELECT_IS_WINSOCKET 0
		24	#ifdef _WIN32
		25	# define EV_SELECT_USE_FD_SET 0
		26	# define NFDBITS PERL_NFDBITS
		27	# define fd_mask Perl_fd_mask
		28	#endif
		29	/* due to bugs in OS X we have to use libev/ explicitly here */
		30	#include "libev/ev.c"
		31
		32	#ifndef _WIN32
5	#include <math.h>	33	# include <pthread.h>
6	#include <netinet/in.h>	34	#endif
7		35
8	#include <sys/time.h>	36	#define e_loop(w) INT2PTR (struct ev_loop *, SvIVX ((w)->loop))
9	#include <time.h>
10	#include <event.h>
11	#include <evdns.h>
12		37
13	/* workaround for evhttp.h requiring obscure bsd headers */	38	#define WFLAG_KEEPALIVE 1
14	#ifndef TAILQ_ENTRY	39	#define WFLAG_UNREFED 2 /* has been unref'ed */
15	#define TAILQ_ENTRY(type) \
16	struct { \
17	struct type *tqe_next; /* next element */ \
18	struct type **tqe_prev; /* address of previous next element */ \
19	}
20	#endif /* !TAILQ_ENTRY */
21	#include <evhttp.h>
22		40
23	#define EV_NONE 0	41	#define UNREF(w) \
24	#define EV_UNDEF -1	42	if (!((w)->e_flags & (WFLAG_KEEPALIVE | WFLAG_UNREFED)) \
		43	&& ev_is_active (w)) \
		44	{ \
		45	ev_unref (e_loop (w)); \
		46	(w)->e_flags |= WFLAG_UNREFED; \
		47	}
25		48
26	#define TIMEOUT_NONE HUGE_VAL	49	#define REF(w) \
		50	if ((w)->e_flags & WFLAG_UNREFED) \
		51	{ \
		52	(w)->e_flags &= ~WFLAG_UNREFED; \
		53	ev_ref (e_loop (w)); \
		54	}
27		55
28	typedef struct event_base *Base;	56	#define START(type,w) \
		57	do { \
		58	ev_ ## type ## _start (e_loop (w), w); \
		59	UNREF (w); \
		60	} while (0)
29		61
30	static HV *stash_base, *stash_event;	62	#define STOP(type,w) \
		63	do { \
		64	REF (w); \
		65	ev_ ## type ## _stop (e_loop (w), w); \
		66	} while (0)
31		67
32	static double tv_get (struct timeval *tv)	68	#define RESET(type,w,seta) \
33	{	69	do { \
34	return tv->tv_sec + tv->tv_usec * 1e-6;	70	int active = ev_is_active (w); \
35	}	71	if (active) STOP (type, w); \
		72	ev_ ## type ## _set seta; \
		73	if (active) START (type, w); \
		74	} while (0)
36		75
37	static void tv_set (struct timeval *tv, double val)	76	typedef int Signal;
38	{
39	tv->tv_sec = (long)val;
40	tv->tv_usec = (long)((val - (double)tv->tv_sec) * 1e6);
41		77
42	}	78	/* horrible... */
		79	#define CHECK_SIGNAL_CAN_START(w) \
		80	do { \
		81	/* dive into the internals of libev to avoid aborting in libev */ \
		82	if (signals [(w)->signum - 1].loop \
		83	&& signals [(w)->signum - 1].loop != e_loop (w)) \
		84	croak ("unable to start signal watcher, signal %d already registered in another loop", w->signum); \
		85	} while (0)
		86
		87	#define START_SIGNAL(w) \
		88	do { \
		89	CHECK_SIGNAL_CAN_START (w); \
		90	START (signal, w); \
		91	} while (0) \
		92
		93	#define RESET_SIGNAL(w,seta) \
		94	do { \
		95	int active = ev_is_active (w); \
		96	if (active) STOP (signal, w); \
		97	ev_ ## signal ## _set seta; \
		98	if (active) START_SIGNAL (w); \
		99	} while (0)
		100
		101	static SV *default_loop_sv;
		102
		103	static struct EVAPI evapi;
		104
		105	static HV
		106	*stash_loop,
		107	*stash_watcher,
		108	*stash_io,
		109	*stash_timer,
		110	*stash_periodic,
		111	*stash_signal,
		112	*stash_child,
		113	*stash_stat,
		114	*stash_idle,
		115	*stash_prepare,
		116	*stash_check,
		117	*stash_embed,
		118	*stash_fork,
		119	*stash_async;
43		120
44	/////////////////////////////////////////////////////////////////////////////	121	/////////////////////////////////////////////////////////////////////////////
45	// Event	122	// Event
46		123
47	typedef struct ev {	124	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		125
57	static double	126	static void *
58	e_now ()	127	e_new (int size, SV *cb_sv, SV *loop)
59	{	128	{
60	struct timeval tv;	129	SV *cv = cb_sv ? s_get_cv_croak (cb_sv) : 0;
61	gettimeofday (&tv, 0);	130	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));	131	SV *self = NEWSV (0, size);
90	SvPOK_only (self);	132	SvPOK_only (self);
91	SvCUR_set (self, sizeof (struct ev));	133	SvCUR_set (self, size);
92		134
93	ev = (Event)SvPVX (self);	135	w = (ev_watcher *)SvPVX (self);
94		136
95	ev->fh = newSVsv (fh);	137	ev_init (w, cv ? e_cb : 0);
96	ev->cb = newSVsv (cb);	138
		139	w->loop = SvREFCNT_inc (SvRV (loop));
		140	w->e_flags = WFLAG_KEEPALIVE;
		141	w->data = 0;
		142	w->fh = 0;
		143	w->cb_sv = SvREFCNT_inc (cv);
97	ev->self = self;	144	w->self = self;
98	ev->timeout = TIMEOUT_NONE;
99	ev->interval = 0.;
100	ev->abstime = 0;
101	ev->active = 0;
102		145
103	event_set (&ev->ev, fd, events, e_cb, (void *)ev);	146	return (void *)w;
104
105	return ev;
106	}	147	}
107		148
108	static struct timeval *	149	static void
109	e_tv (Event ev)	150	e_destroy (void *w_)
110	{	151	{
111	static struct timeval tv;	152	ev_watcher *w = (ev_watcher *)w_;
112	double to = ev->timeout;
113		153
114	if (to == TIMEOUT_NONE)	154	SvREFCNT_dec (w->loop ); w->loop = 0;
115	return 0;	155	SvREFCNT_dec (w->fh ); w->fh = 0;
116		156	SvREFCNT_dec (w->cb_sv); w->cb_sv = 0;
117	if (ev->abstime)	157	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	}	158	}
133		159
134	static SV *e_self (Event ev)	160	static SV *
		161	e_bless (ev_watcher *w, HV *stash)
135	{	162	{
136	SV *rv;	163	SV *rv;
137		164
138	if (SvOBJECT (ev->self))	165	if (SvOBJECT (w->self))
139	rv = newRV_inc (ev->self);	166	rv = newRV_inc (w->self);
140	else	167	else
141	{	168	{
142	rv = newRV_noinc (ev->self);	169	rv = newRV_noinc (w->self);
143	sv_bless (rv, stash_event);	170	sv_bless (rv, stash);
144	SvREADONLY_on (ev->self);	171	SvREADONLY_on (w->self);
145	}	172	}
146		173
147	return rv;	174	return rv;
148	}	175	}
149		176
150	static int	177	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		178
165	static void	179	static void
		180	e_cb (EV_P_ ev_watcher *w, int revents)
		181	{
		182	dSP;
		183	I32 mark = SP - PL_stack_base;
		184	SV *sv_self, *sv_events;
		185
		186	/* libev might have stopped the watcher */
		187	if (expect_false (w->e_flags & WFLAG_UNREFED)
		188	&& !ev_is_active (w))
		189	REF (w);
		190
		191	if (expect_true (sv_self_cache))
		192	{
		193	sv_self = sv_self_cache; sv_self_cache = 0;
		194	SvRV_set (sv_self, SvREFCNT_inc_NN (w->self));
		195	}
		196	else
		197	{
		198	sv_self = newRV_inc (w->self); /* w->self MUST be blessed by now */
		199	SvREADONLY_on (sv_self);
		200	}
		201
		202	if (expect_true (sv_events_cache))
		203	{
		204	sv_events = sv_events_cache; sv_events_cache = 0;
		205	SvIV_set (sv_events, revents);
		206	}
		207	else
		208	{
		209	sv_events = newSViv (revents);
		210	SvREADONLY_on (sv_events);
		211	}
		212
		213	PUSHMARK (SP);
		214	EXTEND (SP, 2);
		215	PUSHs (sv_self);
		216	PUSHs (sv_events);
		217
		218	PUTBACK;
		219	call_sv (w->cb_sv, G_DISCARD | G_VOID | G_EVAL);
		220
		221	if (expect_false (SvREFCNT (sv_self) != 1 || sv_self_cache))
		222	SvREFCNT_dec (sv_self);
		223	else
		224	{
		225	SvREFCNT_dec (SvRV (sv_self));
		226	SvRV_set (sv_self, &PL_sv_undef);
		227	sv_self_cache = sv_self;
		228	}
		229
		230	if (expect_false (SvREFCNT (sv_events) != 1 || sv_events_cache))
		231	SvREFCNT_dec (sv_events);
		232	else
		233	sv_events_cache = sv_events;
		234
		235	if (expect_false (SvTRUE (ERRSV)))
		236	{
		237	SPAGAIN;
		238	PUSHMARK (SP);
		239	PUTBACK;
		240	call_sv (get_sv ("EV::DIED", 1), G_DISCARD | G_VOID | G_EVAL | G_KEEPERR);
		241	}
		242
		243	SP = PL_stack_base + mark;
		244	PUTBACK;
		245	}
		246
		247	static void
166	e_cb (int fd, short events, void *arg)	248	e_once_cb (int revents, void *arg)
167	{	249	{
168	struct ev *ev = (struct ev*)arg;	250	dSP;
		251	I32 mark = SP - PL_stack_base;
		252	SV *sv_events;
		253
		254	if (sv_events_cache)
		255	{
		256	sv_events = sv_events_cache; sv_events_cache = 0;
		257	SvIV_set (sv_events, revents);
		258	}
		259	else
		260	sv_events = newSViv (revents);
		261
		262	PUSHMARK (SP);
		263	XPUSHs (sv_events);
		264
		265	PUTBACK;
		266	call_sv ((SV *)arg, G_DISCARD | G_VOID | G_EVAL);
		267
		268	SvREFCNT_dec ((SV *)arg);
		269
		270	if (sv_events_cache)
		271	SvREFCNT_dec (sv_events);
		272	else
		273	sv_events_cache = sv_events;
		274
		275	if (SvTRUE (ERRSV))
		276	{
		277	SPAGAIN;
		278	PUSHMARK (SP);
		279	PUTBACK;
		280	call_sv (get_sv ("EV::DIED", 1), G_DISCARD | G_VOID | G_EVAL | G_KEEPERR);
		281	}
		282
		283	SP = PL_stack_base + mark;
		284	PUTBACK;
		285	}
		286
		287	static ev_tstamp
		288	e_periodic_cb (ev_periodic *w, ev_tstamp now)
		289	{
		290	ev_tstamp retval;
		291	int count;
169	dSP;	292	dSP;
170		293
171	ENTER;	294	ENTER;
172	SAVETMPS;	295	SAVETMPS;
173		296
174	if (!(ev->ev.ev_events & EV_PERSIST) || (events & EV_TIMEOUT))
175	ev->active = 0;
176
177	PUSHMARK (SP);	297	PUSHMARK (SP);
178	EXTEND (SP, 2);	298	EXTEND (SP, 2);
179	PUSHs (sv_2mortal (e_self (ev)));	299	PUSHs (newRV_inc (w->self)); /* w->self MUST be blessed by now */
180	PUSHs (sv_2mortal (newSViv (events)));	300	PUSHs (newSVnv (now));
		301
181	PUTBACK;	302	PUTBACK;
182	call_sv (ev->cb, G_DISCARD | G_VOID | G_EVAL);	303	count = call_sv (w->fh, G_SCALAR | G_EVAL);
183	/*TODO: if err, call some logging function */	304	SPAGAIN;
184		305
185	if (ev->interval && !ev->active)	306	if (SvTRUE (ERRSV))
186	e_start (ev);	307	{
		308	PUSHMARK (SP);
		309	PUTBACK;
		310	call_sv (get_sv ("EV::DIED", 1), G_DISCARD | G_VOID | G_EVAL | G_KEEPERR);
		311	SPAGAIN;
		312	}
		313
		314	if (count > 0)
		315	{
		316	retval = SvNV (TOPs);
		317
		318	if (retval < now)
		319	retval = now;
		320	}
		321	else
		322	retval = now;
187		323
188	FREETMPS;	324	FREETMPS;
189	LEAVE;	325	LEAVE;
190	}
191		326
192	/////////////////////////////////////////////////////////////////////////////	327	return retval;
193	// DNS
194
195	static void
196	dns_cb (int result, char type, int count, int ttl, void *addresses, void *arg)
197	{
198	dSP;
199	SV *cb = (SV *)arg;
200
201	ENTER;
202	SAVETMPS;
203	PUSHMARK (SP);
204	EXTEND (SP, count + 3);
205	PUSHs (sv_2mortal (newSViv (result)));
206
207	if (result == DNS_ERR_NONE && ttl >= 0)
208	{
209	int i;
210
211	PUSHs (sv_2mortal (newSViv (type)));
212	PUSHs (sv_2mortal (newSViv (ttl)));
213
214	for (i = 0; i < count; ++i)
215	switch (type)
216	{
217	case DNS_IPv6_AAAA:
218	PUSHs (sv_2mortal (newSVpvn (i * 16 + (char *)addresses, 16)));
219	break;
220	case DNS_IPv4_A:
221	PUSHs (sv_2mortal (newSVpvn (i * 4 + (char *)addresses, 4)));
222	break;
223	case DNS_PTR:
224	PUSHs (sv_2mortal (newSVpv (*(char **)addresses, 0)));
225	break;
226	}
227	}
228
229	PUTBACK;
230	call_sv (sv_2mortal (cb), G_DISCARD | G_VOID | G_EVAL);
231
232	FREETMPS;
233	LEAVE;
234	}	328	}
		329
		330	#define CHECK_REPEAT(repeat) if (repeat < 0.) \
		331	croak (# repeat " value must be >= 0");
		332
		333	#define CHECK_FD(fh,fd) if ((fd) < 0) \
		334	croak ("illegal file descriptor or filehandle (either no attached file descriptor or illegal value): %s", SvPV_nolen (fh));
		335
		336	#define CHECK_SIG(sv,num) if ((num) < 0) \
		337	croak ("illegal signal number or name: %s", SvPV_nolen (sv));
235		338
236	/////////////////////////////////////////////////////////////////////////////	339	/////////////////////////////////////////////////////////////////////////////
237	// XS interface functions	340	// XS interface functions
238		341
239	MODULE = EV PACKAGE = EV PREFIX = event_	342	MODULE = EV PACKAGE = EV PREFIX = ev_
		343
		344	PROTOTYPES: ENABLE
240		345
241	BOOT:	346	BOOT:
242	{	347	{
243	HV *stash = gv_stashpv ("EV", 1);	348	HV *stash = gv_stashpv ("EV", 1);
244		349
245	static const struct {	350	static const struct {
246	const char *name;	351	const char *name;
247	IV iv;	352	IV iv;
248	} *civ, const_iv[] = {	353	} *civ, const_iv[] = {
249	# define const_iv(pfx, name) { # name, (IV) pfx ## name },	354	# define const_iv(pfx, name) { # name, (IV) pfx ## name },
		355	const_iv (EV_, MINPRI)
		356	const_iv (EV_, MAXPRI)
		357
		358	const_iv (EV_, UNDEF)
250	const_iv (EV_, NONE)	359	const_iv (EV_, NONE)
251	const_iv (EV_, TIMEOUT)
252	const_iv (EV_, READ)	360	const_iv (EV_, READ)
253	const_iv (EV_, WRITE)	361	const_iv (EV_, WRITE)
		362	const_iv (EV_, IO)
		363	const_iv (EV_, TIMEOUT)
		364	const_iv (EV_, TIMER)
		365	const_iv (EV_, PERIODIC)
254	const_iv (EV_, SIGNAL)	366	const_iv (EV_, SIGNAL)
		367	const_iv (EV_, CHILD)
255	const_iv (EV_, PERSIST)	368	const_iv (EV_, STAT)
256	const_iv (EV, LOOP_ONCE)	369	const_iv (EV_, IDLE)
		370	const_iv (EV_, PREPARE)
		371	const_iv (EV_, CHECK)
		372	const_iv (EV_, EMBED)
		373	const_iv (EV_, FORK)
		374	const_iv (EV_, ASYNC)
		375	const_iv (EV_, CUSTOM)
		376	const_iv (EV_, ERROR)
		377
257	const_iv (EV, LOOP_NONBLOCK)	378	const_iv (EV, LOOP_NONBLOCK)
258	const_iv (EV, BUFFER_READ)	379	const_iv (EV, LOOP_ONESHOT)
259	const_iv (EV, BUFFER_WRITE)	380
		381	const_iv (EV, UNLOOP_CANCEL)
		382	const_iv (EV, UNLOOP_ONE)
		383	const_iv (EV, UNLOOP_ALL)
		384
		385	const_iv (EV, BACKEND_SELECT)
		386	const_iv (EV, BACKEND_POLL)
260	const_iv (EV, BUFFER_EOF)	387	const_iv (EV, BACKEND_EPOLL)
		388	const_iv (EV, BACKEND_KQUEUE)
		389	const_iv (EV, BACKEND_DEVPOLL)
261	const_iv (EV, BUFFER_ERROR)	390	const_iv (EV, BACKEND_PORT)
		391	const_iv (EV, BACKEND_ALL)
262	const_iv (EV, BUFFER_TIMEOUT)	392	const_iv (EV, FLAG_AUTO)
		393	const_iv (EV, FLAG_FORKCHECK)
		394	const_iv (EV, FLAG_SIGNALFD)
		395	const_iv (EV, FLAG_NOENV)
		396	const_iv (EV, FLAG_NOSIGFD) /* compatibility, always 0 */
		397	const_iv (EV, FLAG_NOINOTIFY)
		398
		399	const_iv (EV_, VERSION_MAJOR)
		400	const_iv (EV_, VERSION_MINOR)
263	};	401	};
264		402
265	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	403	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
266	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	404	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
267		405
		406	stash_loop = gv_stashpv ("EV::Loop" , 1);
268	stash_base = gv_stashpv ("EV::Base" , 1);	407	stash_watcher = gv_stashpv ("EV::Watcher" , 1);
		408	stash_io = gv_stashpv ("EV::IO" , 1);
		409	stash_timer = gv_stashpv ("EV::Timer" , 1);
		410	stash_periodic = gv_stashpv ("EV::Periodic", 1);
		411	stash_signal = gv_stashpv ("EV::Signal" , 1);
		412	stash_idle = gv_stashpv ("EV::Idle" , 1);
		413	stash_prepare = gv_stashpv ("EV::Prepare" , 1);
		414	stash_check = gv_stashpv ("EV::Check" , 1);
		415	stash_child = gv_stashpv ("EV::Child" , 1);
269	stash_event = gv_stashpv ("EV::Event", 1);	416	stash_embed = gv_stashpv ("EV::Embed" , 1);
270	}	417	stash_stat = gv_stashpv ("EV::Stat" , 1);
		418	stash_fork = gv_stashpv ("EV::Fork" , 1);
		419	stash_async = gv_stashpv ("EV::Async" , 1);
271		420
272	double now ()	421	{
273	CODE:	422	SV *sv = perl_get_sv ("EV::API", TRUE);
274	RETVAL = e_now ();	423	perl_get_sv ("EV::API", TRUE); /* silence 5.10 warning */
275	OUTPUT:
276	RETVAL
277		424
278	const char *version ()	425	/* the poor man's shared library emulator */
279	ALIAS:	426	evapi.ver = EV_API_VERSION;
280	method = 1	427	evapi.rev = EV_API_REVISION;
281	CODE:	428	evapi.sv_fileno = sv_fileno;
282	RETVAL = ix ? event_get_method () : event_get_version ();	429	evapi.sv_signum = s_signum;
283	OUTPUT:	430	evapi.supported_backends = ev_supported_backends ();
284	RETVAL	431	evapi.recommended_backends = ev_recommended_backends ();
		432	evapi.embeddable_backends = ev_embeddable_backends ();
		433	evapi.time_ = ev_time;
		434	evapi.sleep_ = ev_sleep;
		435	evapi.loop_new = ev_loop_new;
		436	evapi.loop_destroy = ev_loop_destroy;
		437	evapi.loop_fork = ev_loop_fork;
		438	evapi.loop_count = ev_loop_count;
		439	evapi.loop_depth = ev_loop_depth;
		440	evapi.set_userdata = ev_set_userdata;
		441	evapi.userdata = ev_userdata;
		442	evapi.now = ev_now;
		443	evapi.now_update = ev_now_update;
		444	evapi.suspend = ev_suspend;
		445	evapi.resume = ev_resume;
		446	evapi.backend = ev_backend;
		447	evapi.unloop = ev_unloop;
		448	evapi.invoke_pending = ev_invoke_pending;
		449	evapi.pending_count = ev_pending_count;
		450	evapi.set_loop_release_cb = ev_set_loop_release_cb;
		451	evapi.set_invoke_pending_cb= ev_set_invoke_pending_cb;
		452	evapi.ref = ev_ref;
		453	evapi.unref = ev_unref;
		454	evapi.loop = ev_loop;
		455	evapi.once = ev_once;
		456	evapi.io_start = ev_io_start;
		457	evapi.io_stop = ev_io_stop;
		458	evapi.timer_start = ev_timer_start;
		459	evapi.timer_stop = ev_timer_stop;
		460	evapi.timer_again = ev_timer_again;
		461	evapi.timer_remaining = ev_timer_remaining;
		462	evapi.periodic_start = ev_periodic_start;
		463	evapi.periodic_stop = ev_periodic_stop;
		464	evapi.signal_start = ev_signal_start;
		465	evapi.signal_stop = ev_signal_stop;
		466	evapi.idle_start = ev_idle_start;
		467	evapi.idle_stop = ev_idle_stop;
		468	evapi.prepare_start = ev_prepare_start;
		469	evapi.prepare_stop = ev_prepare_stop;
		470	evapi.check_start = ev_check_start;
		471	evapi.check_stop = ev_check_stop;
		472	evapi.child_start = ev_child_start;
		473	evapi.child_stop = ev_child_stop;
		474	evapi.stat_start = ev_stat_start;
		475	evapi.stat_stop = ev_stat_stop;
		476	evapi.stat_stat = ev_stat_stat;
		477	evapi.embed_start = ev_embed_start;
		478	evapi.embed_stop = ev_embed_stop;
		479	evapi.embed_sweep = ev_embed_sweep;
		480	evapi.fork_start = ev_fork_start;
		481	evapi.fork_stop = ev_fork_stop;
		482	evapi.async_start = ev_async_start;
		483	evapi.async_stop = ev_async_stop;
		484	evapi.async_send = ev_async_send;
		485	evapi.clear_pending = ev_clear_pending;
		486	evapi.invoke = ev_invoke;
285		487
286	Base event_init ()	488	sv_setiv (sv, (IV)&evapi);
		489	SvREADONLY_on (sv);
		490	}
		491	#ifndef _WIN32
		492	pthread_atfork (0, 0, ev_default_fork);
		493	#endif
		494	}
287		495
288	int event_priority_init (int npri)	496	SV *ev_default_loop (unsigned int flags = 0)
		497	CODE:
		498	{
		499	if (!default_loop_sv)
		500	{
		501	evapi.default_loop = ev_default_loop (flags);
289		502
290	int event_dispatch ()	503	if (!evapi.default_loop)
		504	XSRETURN_UNDEF;
291		505
		506	default_loop_sv = sv_bless (newRV_noinc (newSViv (PTR2IV (evapi.default_loop))), stash_loop);
		507	}
		508
		509	RETVAL = newSVsv (default_loop_sv);
		510	}
		511	OUTPUT:
		512	RETVAL
		513
		514	void ev_default_destroy ()
		515	CODE:
		516	ev_default_destroy ();
		517	SvREFCNT_dec (default_loop_sv);
		518	default_loop_sv = 0;
		519
		520	unsigned int ev_supported_backends ()
		521
		522	unsigned int ev_recommended_backends ()
		523
		524	unsigned int ev_embeddable_backends ()
		525
		526	void ev_sleep (NV interval)
		527
		528	NV ev_time ()
		529
		530	NV ev_now ()
		531	C_ARGS: evapi.default_loop
		532
		533	void ev_now_update ()
		534	C_ARGS: evapi.default_loop
		535
		536	void ev_suspend ()
		537	C_ARGS: evapi.default_loop
		538
		539	void ev_resume ()
		540	C_ARGS: evapi.default_loop
		541
		542	unsigned int ev_backend ()
		543	C_ARGS: evapi.default_loop
		544
		545	void ev_loop_verify ()
		546	C_ARGS: evapi.default_loop
		547
		548	unsigned int ev_loop_count ()
		549	C_ARGS: evapi.default_loop
		550
		551	unsigned int ev_loop_depth ()
		552	C_ARGS: evapi.default_loop
		553
		554	void ev_set_io_collect_interval (NV interval)
		555	C_ARGS: evapi.default_loop, interval
		556
		557	void ev_set_timeout_collect_interval (NV interval)
		558	C_ARGS: evapi.default_loop, interval
		559
292	int event_loop (int flags = 0)	560	void ev_loop (int flags = 0)
		561	C_ARGS: evapi.default_loop, flags
293		562
294	int event_loopexit (double after = 0)	563	void ev_unloop (int how = EVUNLOOP_ONE)
295	CODE:	564	C_ARGS: evapi.default_loop, how
296	{
297	struct timeval tv;
298	tv_set (&tv, after);
299	event_loopexit (&tv);
300	}
301		565
302	Event event (SV *cb)	566	void ev_feed_fd_event (int fd, int revents = EV_NONE)
303	CODE:	567	C_ARGS: evapi.default_loop, fd, revents
304	RETVAL = e_new (NEWSV (0, 0), 0, cb);
305	OUTPUT:
306	RETVAL
307		568
		569	void ev_feed_signal_event (SV *signal)
		570	CODE:
		571	{
		572	Signal signum = s_signum (signal);
		573	CHECK_SIG (signal, signum);
		574
		575	ev_feed_signal_event (evapi.default_loop, signum);
		576	}
		577
		578	unsigned int ev_pending_count ()
		579	C_ARGS: evapi.default_loop
		580
		581	void ev_invoke_pending ()
		582	C_ARGS: evapi.default_loop
		583
308	Event io (SV *fh, short events, SV *cb)	584	ev_io *io (SV *fh, int events, SV *cb)
309	ALIAS:	585	ALIAS:
310	io_ns = 1	586	io_ns = 1
		587	_ae_io = 2
311	CODE:	588	CODE:
312	RETVAL = e_new (fh, events, cb);	589	{
		590	int fd = s_fileno (fh, events & EV_WRITE);
		591	CHECK_FD (fh, fd);
		592
		593	if (ix == 2)
		594	{
		595	ix = 0;
		596	events = events ? EV_WRITE : EV_READ;
		597	}
		598
		599	RETVAL = e_new (sizeof (ev_io), cb, default_loop_sv);
		600	RETVAL->fh = newSVsv (fh);
		601	ev_io_set (RETVAL, fd, events);
313	if (!ix) e_start (RETVAL);	602	if (!ix) START (io, RETVAL);
		603	}
314	OUTPUT:	604	OUTPUT:
315	RETVAL	605	RETVAL
316		606
317	Event timer (double after, int repeat, SV *cb)	607	ev_timer *timer (NV after, NV repeat, SV *cb)
318	ALIAS:	608	ALIAS:
319	timer_ns = 1	609	timer_ns = 1
		610	INIT:
		611	CHECK_REPEAT (repeat);
320	CODE:	612	CODE:
321	RETVAL = e_new (NEWSV (0, 0), 0, cb);	613	RETVAL = e_new (sizeof (ev_timer), cb, default_loop_sv);
322	RETVAL->timeout = after;	614	ev_timer_set (RETVAL, after, repeat);
323	RETVAL->interval = repeat;	615	if (!ix) START (timer, RETVAL);
324	if (!ix) e_start (RETVAL);
325	OUTPUT:	616	OUTPUT:
326	RETVAL	617	RETVAL
327		618
328	Event timer_abs (double at, double interval, SV *cb)	619	SV *periodic (NV at, NV interval, SV *reschedule_cb, SV *cb)
329	ALIAS:	620	ALIAS:
330	timer_abs_ns = 1	621	periodic_ns = 1
		622	INIT:
		623	CHECK_REPEAT (interval);
331	CODE:	624	CODE:
332	RETVAL = e_new (NEWSV (0, 0), 0, cb);	625	{
333	RETVAL->timeout = at;	626	ev_periodic *w;
334	RETVAL->interval = interval;	627	w = e_new (sizeof (ev_periodic), cb, default_loop_sv);
335	RETVAL->abstime = 1;	628	w->fh = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
336	if (!ix) e_start (RETVAL);	629	ev_periodic_set (w, at, interval, w->fh ? e_periodic_cb : 0);
		630	RETVAL = e_bless ((ev_watcher *)w, stash_periodic);
		631	if (!ix) START (periodic, w);
		632	}
337	OUTPUT:	633	OUTPUT:
338	RETVAL	634	RETVAL
339		635
340	Event signal (SV *signal, SV *cb)	636	ev_signal *signal (SV *signal, SV *cb)
341	ALIAS:	637	ALIAS:
342	signal_ns = 1	638	signal_ns = 1
343	CODE:	639	CODE:
344	RETVAL = e_new (signal, EV_SIGNAL | EV_PERSIST, cb);	640	{
		641	Signal signum = s_signum (signal);
		642	CHECK_SIG (signal, signum);
		643
		644	RETVAL = e_new (sizeof (ev_signal), cb, default_loop_sv);
		645	ev_signal_set (RETVAL, signum);
		646	if (!ix) START_SIGNAL (RETVAL);
		647	}
		648	OUTPUT:
		649	RETVAL
		650
		651	ev_idle *idle (SV *cb)
		652	ALIAS:
		653	idle_ns = 1
		654	CODE:
		655	RETVAL = e_new (sizeof (ev_idle), cb, default_loop_sv);
		656	ev_idle_set (RETVAL);
		657	if (!ix) START (idle, RETVAL);
		658	OUTPUT:
		659	RETVAL
		660
		661	ev_prepare *prepare (SV *cb)
		662	ALIAS:
		663	prepare_ns = 1
		664	CODE:
		665	RETVAL = e_new (sizeof (ev_prepare), cb, default_loop_sv);
		666	ev_prepare_set (RETVAL);
		667	if (!ix) START (prepare, RETVAL);
		668	OUTPUT:
		669	RETVAL
		670
		671	ev_check *check (SV *cb)
		672	ALIAS:
		673	check_ns = 1
		674	CODE:
		675	RETVAL = e_new (sizeof (ev_check), cb, default_loop_sv);
		676	ev_check_set (RETVAL);
		677	if (!ix) START (check, RETVAL);
		678	OUTPUT:
		679	RETVAL
		680
		681	ev_fork *fork (SV *cb)
		682	ALIAS:
		683	fork_ns = 1
		684	CODE:
		685	RETVAL = e_new (sizeof (ev_fork), cb, default_loop_sv);
		686	ev_fork_set (RETVAL);
		687	if (!ix) START (fork, RETVAL);
		688	OUTPUT:
		689	RETVAL
		690
		691	ev_child *child (int pid, int trace, SV *cb)
		692	ALIAS:
		693	child_ns = 1
		694	CODE:
		695	RETVAL = e_new (sizeof (ev_child), cb, default_loop_sv);
		696	ev_child_set (RETVAL, pid, trace);
		697	if (!ix) START (child, RETVAL);
		698	OUTPUT:
		699	RETVAL
		700
		701	ev_stat *stat (SV *path, NV interval, SV *cb)
		702	ALIAS:
		703	stat_ns = 1
		704	CODE:
		705	RETVAL = e_new (sizeof (ev_stat), cb, default_loop_sv);
		706	RETVAL->fh = newSVsv (path);
		707	ev_stat_set (RETVAL, SvPVbyte_nolen (RETVAL->fh), interval);
345	if (!ix) e_start (RETVAL);	708	if (!ix) START (stat, RETVAL);
346	OUTPUT:	709	OUTPUT:
347	RETVAL	710	RETVAL
		711
		712	ev_embed *embed (struct ev_loop *loop, SV *cb = 0)
		713	ALIAS:
		714	embed_ns = 1
		715	CODE:
		716	{
		717	if (!(ev_backend (loop) & ev_embeddable_backends ()))
		718	croak ("passed loop is not embeddable via EV::embed,");
		719
		720	RETVAL = e_new (sizeof (ev_embed), cb, default_loop_sv);
		721	RETVAL->fh = newSVsv (ST (0));
		722	ev_embed_set (RETVAL, loop);
		723	if (!ix) START (embed, RETVAL);
		724	}
		725	OUTPUT:
		726	RETVAL
		727
		728	ev_async *async (SV *cb)
		729	ALIAS:
		730	async_ns = 1
		731	CODE:
		732	RETVAL = e_new (sizeof (ev_async), cb, default_loop_sv);
		733	ev_async_set (RETVAL);
		734	if (!ix) START (async, RETVAL);
		735	OUTPUT:
		736	RETVAL
		737
		738	void once (SV *fh, int events, SV *timeout, SV *cb)
		739	CODE:
		740	ev_once (
		741	evapi.default_loop,
		742	s_fileno (fh, events & EV_WRITE), events,
		743	SvOK (timeout) ? SvNV (timeout) : -1.,
		744	e_once_cb,
		745	newSVsv (cb)
		746	);
348		747
349	PROTOTYPES: DISABLE	748	PROTOTYPES: DISABLE
350		749
351
352	MODULE = EV PACKAGE = EV::Base PREFIX = event_base_
353
354	Base new ()
355	CODE:
356	RETVAL = event_init ();
357	OUTPUT:
358	RETVAL
359
360	int event_base_dispatch (Base base)
361
362	int event_base_loop (Base base, int flags = 0)
363
364	int event_base_loopexit (Base base, double after)
365	CODE:
366	{
367	struct timeval tv;
368	tv.tv_sec = (long)after;
369	tv.tv_usec = (long)(after - tv.tv_sec) * 1e6;
370	event_base_loopexit (base, &tv);
371	}
372
373	int event_base_priority_init (Base base, int npri)
374
375	void event_base_set (Base base, Event ev)
376	C_ARGS: base, &ev->ev
377
378	void DESTROY (Base base)
379	CODE:
380	/*event_base_free (base);*/ /* causes too many problems */
381
382
383	MODULE = EV PACKAGE = EV::Event PREFIX = event_	750	MODULE = EV PACKAGE = EV::Watcher PREFIX = ev_
384		751
385	int event_priority_set (Event ev, int pri)	752	int ev_is_active (ev_watcher *w)
386	C_ARGS: &ev->ev, pri
387		753
388	int event_add (Event ev, double timeout = TIMEOUT_NONE)	754	int ev_is_pending (ev_watcher *w)
389	CODE:
390	ev->timeout = timeout;
391	ev->abstime = 0;
392	RETVAL = e_start (ev);
393	OUTPUT:
394	RETVAL
395		755
396	int event_start (Event ev)	756	void ev_invoke (ev_watcher *w, int revents = EV_NONE)
397	CODE:	757	C_ARGS: e_loop (w), w, revents
398	RETVAL = e_start (ev);
399	OUTPUT:
400	RETVAL
401		758
402	int event_del (Event ev)	759	int ev_clear_pending (ev_watcher *w)
403	ALIAS:	760	C_ARGS: e_loop (w), w
404	stop = 0
405	CODE:
406	RETVAL = e_stop (ev);
407	OUTPUT:
408	RETVAL
409		761
410	void DESTROY (Event ev)	762	void ev_feed_event (ev_watcher *w, int revents = EV_NONE)
411	CODE:	763	C_ARGS: e_loop (w), w, revents
412	e_stop (ev);
413	SvREFCNT_dec (ev->cb);
414	SvREFCNT_dec (ev->fh);
415		764
		765	int keepalive (ev_watcher *w, int new_value = 0)
		766	CODE:
		767	{
		768	RETVAL = w->e_flags & WFLAG_KEEPALIVE;
		769	new_value = new_value ? WFLAG_KEEPALIVE : 0;
		770
		771	if (items > 1 && ((new_value ^ w->e_flags) & WFLAG_KEEPALIVE))
		772	{
		773	w->e_flags = (w->e_flags & ~WFLAG_KEEPALIVE) | new_value;
		774	REF (w);
		775	UNREF (w);
		776	}
		777	}
		778	OUTPUT:
		779	RETVAL
		780
416	SV *cb (Event ev, SV *new_cb = 0)	781	SV *cb (ev_watcher *w, SV *new_cb = 0)
417	CODE:	782	CODE:
418	RETVAL = newSVsv (ev->cb);	783	{
419	if (items > 1)
420	sv_setsv (ev->cb, new_cb);
421	OUTPUT:
422	RETVAL
423
424	SV *fh (Event ev, SV *new_fh = 0)
425	ALIAS:
426	signal = 0
427	CODE:
428	RETVAL = newSVsv (ev->fh);
429	if (items > 1)	784	if (items > 1)
430	{	785	{
431	if (ev->active) event_del (&ev->ev);	786	new_cb = s_get_cv_croak (new_cb);
432	sv_setsv (ev->fh, new_fh);	787	RETVAL = newRV_noinc (w->cb_sv);
433	ev->ev.ev_fd = sv_fileno (ev->fh);	788	w->cb_sv = SvREFCNT_inc (new_cb);
434	if (ev->active) event_add (&ev->ev, e_tv (ev));
435	}	789	}
		790	else
		791	RETVAL = newRV_inc (w->cb_sv);
		792	}
436	OUTPUT:	793	OUTPUT:
437	RETVAL	794	RETVAL
438		795
439	short events (Event ev, short new_events = EV_UNDEF)	796	SV *data (ev_watcher *w, SV *new_data = 0)
440	CODE:	797	CODE:
441	RETVAL = ev->ev.ev_events;	798	{
		799	RETVAL = w->data ? newSVsv (w->data) : &PL_sv_undef;
		800
442	if (items > 1)	801	if (items > 1)
443	{	802	{
444	if (ev->active) event_del (&ev->ev);	803	SvREFCNT_dec (w->data);
445	ev->ev.ev_events = new_events;	804	w->data = newSVsv (new_data);
446	if (ev->active) event_add (&ev->ev, e_tv (ev));
447	}	805	}
		806	}
448	OUTPUT:	807	OUTPUT:
449	RETVAL	808	RETVAL
450		809
451	double timeout (Event ev, double new_timeout = 0., int repeat = 0)	810	SV *loop (ev_watcher *w)
452	CODE:	811	CODE:
453	RETVAL = ev->timeout;	812	RETVAL = newRV_inc (w->loop);
		813	OUTPUT:
		814	RETVAL
		815
		816	int priority (ev_watcher *w, int new_priority = 0)
		817	CODE:
		818	{
		819	RETVAL = w->priority;
		820
454	if (items > 1)	821	if (items > 1)
455	{	822	{
456	if (ev->active) event_del (&ev->ev);	823	int active = ev_is_active (w);
457	ev->timeout = new_timeout;	824
458	ev->interval = repeat;	825	if (active)
459	ev->abstime = 0;	826	{
460	if (ev->active) event_add (&ev->ev, e_tv (ev));	827	/* grrr. */
		828	PUSHMARK (SP);
		829	XPUSHs (ST (0));
		830	PUTBACK;
		831	call_method ("stop", G_DISCARD | G_VOID);
		832	}
		833
		834	ev_set_priority (w, new_priority);
		835
		836	if (active)
		837	{
		838	PUSHMARK (SP);
		839	XPUSHs (ST (0));
		840	PUTBACK;
		841	call_method ("start", G_DISCARD | G_VOID);
		842	}
461	}	843	}
		844	}
462	OUTPUT:	845	OUTPUT:
463	RETVAL	846	RETVAL
464		847
465	void timeout_abs (Event ev, double at, double interval = 0.)
466	CODE:
467	if (ev->active) event_del (&ev->ev);
468	ev->timeout = at;
469	ev->interval = interval;
470	ev->abstime = 1;
471	if (ev->active) event_add (&ev->ev, e_tv (ev));
472
473
474	MODULE = EV PACKAGE = EV::DNS PREFIX = evdns_	848	MODULE = EV PACKAGE = EV::IO PREFIX = ev_io_
475		849
476	BOOT:	850	void ev_io_start (ev_io *w)
477	{	851	CODE:
478	HV *stash = gv_stashpv ("EV::DNS", 1);	852	START (io, w);
479		853
480	static const struct {	854	void ev_io_stop (ev_io *w)
481	const char *name;	855	CODE:
482	IV iv;	856	STOP (io, w);
483	} *civ, const_iv[] = {
484	# define const_iv(pfx, name) { # name, (IV) pfx ## name },
485	const_iv (DNS_, ERR_NONE)
486	const_iv (DNS_, ERR_FORMAT)
487	const_iv (DNS_, ERR_SERVERFAILED)
488	const_iv (DNS_, ERR_NOTEXIST)
489	const_iv (DNS_, ERR_NOTIMPL)
490	const_iv (DNS_, ERR_REFUSED)
491	const_iv (DNS_, ERR_TRUNCATED)
492	const_iv (DNS_, ERR_UNKNOWN)
493	const_iv (DNS_, ERR_TIMEOUT)
494	const_iv (DNS_, ERR_SHUTDOWN)
495	const_iv (DNS_, IPv4_A)
496	const_iv (DNS_, PTR)
497	const_iv (DNS_, IPv6_AAAA)
498	const_iv (DNS_, QUERY_NO_SEARCH)
499	const_iv (DNS_, OPTION_SEARCH)
500	const_iv (DNS_, OPTION_NAMESERVERS)
501	const_iv (DNS_, OPTION_MISC)
502	const_iv (DNS_, OPTIONS_ALL)
503	const_iv (DNS_, NO_SEARCH)
504	};
505		857
506	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	858	void DESTROY (ev_io *w)
507	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	859	CODE:
508	}	860	STOP (io, w);
		861	e_destroy (w);
509		862
510	int evdns_init ()	863	void set (ev_io *w, SV *fh, int events)
		864	CODE:
		865	{
		866	int fd = s_fileno (fh, events & EV_WRITE);
		867	CHECK_FD (fh, fd);
511		868
512	void evdns_shutdown (int fail_requests = 1)	869	sv_setsv (w->fh, fh);
		870	RESET (io, w, (w, fd, events));
		871	}
513		872
514	const char *evdns_err_to_string (int err)	873	SV *fh (ev_io *w, SV *new_fh = 0)
		874	CODE:
		875	{
		876	if (items > 1)
		877	{
		878	int fd = s_fileno (new_fh, w->events & EV_WRITE);
		879	CHECK_FD (new_fh, fd);
515		880
516	int evdns_nameserver_add (U32 address)	881	RETVAL = w->fh;
		882	w->fh = newSVsv (new_fh);
517		883
518	int evdns_count_nameservers ()	884	RESET (io, w, (w, fd, w->events));
		885	}
		886	else
		887	RETVAL = newSVsv (w->fh);
		888	}
		889	OUTPUT:
		890	RETVAL
519		891
520	int evdns_clear_nameservers_and_suspend ()	892	int events (ev_io *w, int new_events = EV_UNDEF)
		893	CODE:
		894	{
		895	RETVAL = w->events;
521		896
522	int evdns_resume ()	897	if (items > 1)
		898	RESET (io, w, (w, w->fd, new_events));
		899	}
		900	OUTPUT:
		901	RETVAL
523		902
524	int evdns_nameserver_ip_add (char *ip_as_string)	903	MODULE = EV PACKAGE = EV::Signal PREFIX = ev_signal_
525		904
526	int evdns_resolve_ipv4 (const char *name, int flags, SV *cb)	905	void ev_signal_start (ev_signal *w)
527	C_ARGS: name, flags, dns_cb, (void *)SvREFCNT_inc (cb)	906	CODE:
		907	START_SIGNAL (w);
528		908
529	int evdns_resolve_ipv6 (const char *name, int flags, SV *cb)	909	void ev_signal_stop (ev_signal *w)
530	C_ARGS: name, flags, dns_cb, (void *)SvREFCNT_inc (cb)	910	CODE:
		911	STOP (signal, w);
531		912
532	int evdns_resolve_reverse (SV *addr, int flags, SV *cb)	913	void DESTROY (ev_signal *w)
533	ALIAS:	914	CODE:
534	evdns_resolve_reverse_ipv6 = 1	915	STOP (signal, w);
		916	e_destroy (w);
		917
		918	void set (ev_signal *w, SV *signal)
		919	CODE:
		920	{
		921	Signal signum = s_signum (signal);
		922	CHECK_SIG (signal, signum);
		923
		924	RESET_SIGNAL (w, (w, signum));
		925	}
		926
		927	int signal (ev_signal *w, SV *new_signal = 0)
		928	CODE:
		929	{
		930	RETVAL = w->signum;
		931
		932	if (items > 1)
		933	{
		934	Signal signum = s_signum (new_signal);
		935	CHECK_SIG (new_signal, signum);
		936
		937	RESET_SIGNAL (w, (w, signum));
		938	}
		939	}
		940	OUTPUT:
		941	RETVAL
		942
		943	MODULE = EV PACKAGE = EV::Timer PREFIX = ev_timer_
		944
		945	void ev_timer_start (ev_timer *w)
		946	INIT:
		947	CHECK_REPEAT (w->repeat);
		948	CODE:
		949	START (timer, w);
		950
		951	void ev_timer_stop (ev_timer *w)
		952	CODE:
		953	STOP (timer, w);
		954
		955	void ev_timer_again (ev_timer *w)
		956	INIT:
		957	CHECK_REPEAT (w->repeat);
535	CODE:	958	CODE:
536	{	959	ev_timer_again (e_loop (w), w);
537	STRLEN len;	960	UNREF (w);
538	char *data = SvPVbyte (addr, len);
539	if (len != (ix ? 16 : 4))
540	croak ("ipv4/ipv6 address to resolve must be given as 4/16 byte octet string");
541		961
		962	NV ev_timer_remaining (ev_timer *w)
		963	C_ARGS: e_loop (w), w
		964
		965	void DESTROY (ev_timer *w)
		966	CODE:
		967	STOP (timer, w);
		968	e_destroy (w);
		969
		970	void set (ev_timer *w, NV after, NV repeat = 0.)
		971	INIT:
		972	CHECK_REPEAT (repeat);
		973	CODE:
		974	RESET (timer, w, (w, after, repeat));
		975
		976	MODULE = EV PACKAGE = EV::Periodic PREFIX = ev_periodic_
		977
		978	void ev_periodic_start (ev_periodic *w)
		979	INIT:
		980	CHECK_REPEAT (w->interval);
		981	CODE:
		982	START (periodic, w);
		983
		984	void ev_periodic_stop (ev_periodic *w)
		985	CODE:
		986	STOP (periodic, w);
		987
		988	void ev_periodic_again (ev_periodic *w)
		989	CODE:
		990	ev_periodic_again (e_loop (w), w);
		991	UNREF (w);
		992
		993	void DESTROY (ev_periodic *w)
		994	CODE:
		995	STOP (periodic, w);
		996	e_destroy (w);
		997
		998	void set (ev_periodic *w, NV at, NV interval = 0., SV *reschedule_cb = &PL_sv_undef)
		999	INIT:
		1000	CHECK_REPEAT (interval);
		1001	CODE:
		1002	{
		1003	SvREFCNT_dec (w->fh);
		1004	w->fh = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
		1005
		1006	RESET (periodic, w, (w, at, interval, w->fh ? e_periodic_cb : 0));
		1007	}
		1008
		1009	NV at (ev_periodic *w)
		1010	CODE:
		1011	RETVAL = ev_periodic_at (w);
		1012	OUTPUT:
542	RETVAL = ix	1013	RETVAL
543	? evdns_resolve_reverse_ipv6 ((struct in6_addr *)data, flags, dns_cb, (void *)SvREFCNT_inc (cb))
544	: evdns_resolve_reverse ((struct in_addr *)data, flags, dns_cb, (void *)SvREFCNT_inc (cb));
545	}
546	OUTPUT:
547	RETVAL
548		1014
549	int evdns_set_option (char *option, char *val, int flags)	1015	MODULE = EV PACKAGE = EV::Idle PREFIX = ev_idle_
550		1016
551	int evdns_resolv_conf_parse (int flags, const char *filename)	1017	void ev_idle_start (ev_idle *w)
		1018	CODE:
		1019	START (idle, w);
552		1020
553	#ifdef MS_WINDOWS	1021	void ev_idle_stop (ev_idle *w)
		1022	CODE:
		1023	STOP (idle, w);
554		1024
555	int evdns_config_windows_nameservers ()	1025	void DESTROY (ev_idle *w)
		1026	CODE:
		1027	STOP (idle, w);
		1028	e_destroy (w);
		1029
		1030	MODULE = EV PACKAGE = EV::Prepare PREFIX = ev_prepare_
		1031
		1032	void ev_prepare_start (ev_prepare *w)
		1033	CODE:
		1034	START (prepare, w);
		1035
		1036	void ev_prepare_stop (ev_prepare *w)
		1037	CODE:
		1038	STOP (prepare, w);
		1039
		1040	void DESTROY (ev_prepare *w)
		1041	CODE:
		1042	STOP (prepare, w);
		1043	e_destroy (w);
		1044
		1045	MODULE = EV PACKAGE = EV::Check PREFIX = ev_check_
		1046
		1047	void ev_check_start (ev_check *w)
		1048	CODE:
		1049	START (check, w);
		1050
		1051	void ev_check_stop (ev_check *w)
		1052	CODE:
		1053	STOP (check, w);
		1054
		1055	void DESTROY (ev_check *w)
		1056	CODE:
		1057	STOP (check, w);
		1058	e_destroy (w);
		1059
		1060	MODULE = EV PACKAGE = EV::Fork PREFIX = ev_fork_
		1061
		1062	void ev_fork_start (ev_fork *w)
		1063	CODE:
		1064	START (fork, w);
		1065
		1066	void ev_fork_stop (ev_fork *w)
		1067	CODE:
		1068	STOP (fork, w);
		1069
		1070	void DESTROY (ev_fork *w)
		1071	CODE:
		1072	STOP (fork, w);
		1073	e_destroy (w);
		1074
		1075	MODULE = EV PACKAGE = EV::Child PREFIX = ev_child_
		1076
		1077	void ev_child_start (ev_child *w)
		1078	CODE:
		1079	START (child, w);
		1080
		1081	void ev_child_stop (ev_child *w)
		1082	CODE:
		1083	STOP (child, w);
		1084
		1085	void DESTROY (ev_child *w)
		1086	CODE:
		1087	STOP (child, w);
		1088	e_destroy (w);
		1089
		1090	void set (ev_child *w, int pid, int trace)
		1091	CODE:
		1092	RESET (child, w, (w, pid, trace));
		1093
		1094	int pid (ev_child *w)
		1095	ALIAS:
		1096	rpid = 1
		1097	rstatus = 2
		1098	CODE:
		1099	RETVAL = ix == 0 ? w->pid
		1100	: ix == 1 ? w->rpid
		1101	: w->rstatus;
		1102	OUTPUT:
		1103	RETVAL
		1104
		1105	MODULE = EV PACKAGE = EV::Stat PREFIX = ev_stat_
		1106
		1107	void ev_stat_start (ev_stat *w)
		1108	CODE:
		1109	START (stat, w);
		1110
		1111	void ev_stat_stop (ev_stat *w)
		1112	CODE:
		1113	STOP (stat, w);
		1114
		1115	void DESTROY (ev_stat *w)
		1116	CODE:
		1117	STOP (stat, w);
		1118	e_destroy (w);
		1119
		1120	void set (ev_stat *w, SV *path, NV interval)
		1121	CODE:
		1122	{
		1123	sv_setsv (w->fh, path);
		1124	RESET (stat, w, (w, SvPVbyte_nolen (w->fh), interval));
		1125	}
		1126
		1127	SV *path (ev_stat *w, SV *new_path = 0)
		1128	CODE:
		1129	{
		1130	RETVAL = SvREFCNT_inc (w->fh);
		1131
		1132	if (items > 1)
		1133	{
		1134	SvREFCNT_dec (w->fh);
		1135	w->fh = newSVsv (new_path);
		1136	RESET (stat, w, (w, SvPVbyte_nolen (w->fh), w->interval));
		1137	}
		1138	}
		1139	OUTPUT:
		1140	RETVAL
		1141
		1142	NV interval (ev_stat *w, NV new_interval = 0.)
		1143	CODE:
		1144	{
		1145	RETVAL = w->interval;
		1146
		1147	if (items > 1)
		1148	RESET (stat, w, (w, SvPVbyte_nolen (w->fh), new_interval));
		1149	}
		1150	OUTPUT:
		1151	RETVAL
		1152
		1153	void prev (ev_stat *w)
		1154	ALIAS:
		1155	stat = 1
		1156	attr = 2
		1157	PPCODE:
		1158	{
		1159	ev_statdata *s = ix ? &w->attr : &w->prev;
		1160
		1161	if (ix == 1)
		1162	ev_stat_stat (e_loop (w), w);
		1163	else if (!s->st_nlink)
		1164	errno = ENOENT;
		1165
		1166	PL_statcache.st_dev = s->st_nlink;
		1167	PL_statcache.st_ino = s->st_ino;
		1168	PL_statcache.st_mode = s->st_mode;
		1169	PL_statcache.st_nlink = s->st_nlink;
		1170	PL_statcache.st_uid = s->st_uid;
		1171	PL_statcache.st_gid = s->st_gid;
		1172	PL_statcache.st_rdev = s->st_rdev;
		1173	PL_statcache.st_size = s->st_size;
		1174	PL_statcache.st_atime = s->st_atime;
		1175	PL_statcache.st_mtime = s->st_mtime;
		1176	PL_statcache.st_ctime = s->st_ctime;
		1177
		1178	if (GIMME_V == G_SCALAR)
		1179	XPUSHs (boolSV (s->st_nlink));
		1180	else if (GIMME_V == G_ARRAY && s->st_nlink)
		1181	{
		1182	EXTEND (SP, 13);
		1183	PUSHs (sv_2mortal (newSViv (s->st_dev)));
		1184	PUSHs (sv_2mortal (newSViv (s->st_ino)));
		1185	PUSHs (sv_2mortal (newSVuv (s->st_mode)));
		1186	PUSHs (sv_2mortal (newSVuv (s->st_nlink)));
		1187	PUSHs (sv_2mortal (newSViv (s->st_uid)));
		1188	PUSHs (sv_2mortal (newSViv (s->st_gid)));
		1189	PUSHs (sv_2mortal (newSViv (s->st_rdev)));
		1190	PUSHs (sv_2mortal (newSVnv ((NV)s->st_size)));
		1191	PUSHs (sv_2mortal (newSVnv (s->st_atime)));
		1192	PUSHs (sv_2mortal (newSVnv (s->st_mtime)));
		1193	PUSHs (sv_2mortal (newSVnv (s->st_ctime)));
		1194	PUSHs (sv_2mortal (newSVuv (4096)));
		1195	PUSHs (sv_2mortal (newSVnv ((NV)((s->st_size + 4095) / 4096))));
		1196	}
		1197	}
		1198
		1199	MODULE = EV PACKAGE = EV::Embed PREFIX = ev_embed_
		1200
		1201	void ev_embed_start (ev_embed *w)
		1202	CODE:
		1203	START (embed, w);
		1204
		1205	void ev_embed_stop (ev_embed *w)
		1206	CODE:
		1207	STOP (embed, w);
		1208
		1209	void DESTROY (ev_embed *w)
		1210	CODE:
		1211	STOP (embed, w);
		1212	e_destroy (w);
		1213
		1214	void set (ev_embed *w, struct ev_loop *loop)
		1215	CODE:
		1216	{
		1217	sv_setsv (w->fh, ST (1));
		1218	RESET (embed, w, (w, loop));
		1219	}
		1220
		1221	SV *other (ev_embed *w)
		1222	CODE:
		1223	RETVAL = newSVsv (w->fh);
		1224	OUTPUT:
		1225	RETVAL
		1226
		1227	void ev_embed_sweep (ev_embed *w)
		1228	C_ARGS: e_loop (w), w
		1229
		1230	MODULE = EV PACKAGE = EV::Async PREFIX = ev_async_
		1231
		1232	void ev_async_start (ev_async *w)
		1233	CODE:
		1234	START (async, w);
		1235
		1236	void ev_async_stop (ev_async *w)
		1237	CODE:
		1238	STOP (async, w);
		1239
		1240	void DESTROY (ev_async *w)
		1241	CODE:
		1242	STOP (async, w);
		1243	e_destroy (w);
		1244
		1245	void ev_async_send (ev_async *w)
		1246	C_ARGS: e_loop (w), w
		1247
		1248	SV *ev_async_async_pending (ev_async *w)
		1249	CODE:
		1250	RETVAL = boolSV (ev_async_pending (w));
		1251	OUTPUT:
		1252	RETVAL
		1253
		1254	MODULE = EV PACKAGE = EV::Loop PREFIX = ev_
		1255
		1256	SV *new (SV *klass, unsigned int flags = 0)
		1257	CODE:
		1258	{
		1259	struct ev_loop *loop = ev_loop_new (flags);
		1260
		1261	if (!loop)
		1262	XSRETURN_UNDEF;
		1263
		1264	RETVAL = sv_bless (newRV_noinc (newSViv (PTR2IV (loop))), stash_loop);
		1265	}
		1266	OUTPUT:
		1267	RETVAL
		1268
		1269	void DESTROY (struct ev_loop *loop)
		1270	CODE:
		1271	if (loop != evapi.default_loop) /* global destruction sucks */
		1272	ev_loop_destroy (loop);
		1273
		1274	void ev_loop_fork (struct ev_loop *loop)
		1275
		1276	void ev_loop_verify (struct ev_loop *loop)
		1277
		1278	NV ev_now (struct ev_loop *loop)
		1279
		1280	void ev_now_update (struct ev_loop *loop)
		1281
		1282	void ev_suspend (struct ev_loop *loop)
		1283
		1284	void ev_resume (struct ev_loop *loop)
		1285
		1286	void ev_set_io_collect_interval (struct ev_loop *loop, NV interval)
		1287
		1288	void ev_set_timeout_collect_interval (struct ev_loop *loop, NV interval)
		1289
		1290	unsigned int ev_backend (struct ev_loop *loop)
		1291
		1292	unsigned int ev_loop_count (struct ev_loop *loop)
		1293
		1294	unsigned int ev_loop_depth (struct ev_loop *loop)
		1295
		1296	void ev_loop (struct ev_loop *loop, int flags = 0)
		1297
		1298	void ev_unloop (struct ev_loop *loop, int how = 1)
		1299
		1300	void ev_feed_fd_event (struct ev_loop *loop, int fd, int revents = EV_NONE)
		1301
		1302	unsigned int ev_pending_count (struct ev_loop *loop)
		1303
		1304	void ev_invoke_pending (struct ev_loop *loop)
		1305
		1306	#if 0
		1307
		1308	void ev_feed_signal_event (struct ev_loop *loop, SV *signal)
		1309	CODE:
		1310	{
		1311	Signal signum = s_signum (signal);
		1312	CHECK_SIG (signal, signum);
		1313
		1314	ev_feed_signal_event (loop, signum);
		1315	}
556		1316
557	#endif	1317	#endif
558		1318
559	void evdns_search_clear ()	1319	ev_io *io (struct ev_loop *loop, SV *fh, int events, SV *cb)
560		1320	ALIAS:
561	void evdns_search_add (char *domain)	1321	io_ns = 1
562		1322	CODE:
563	void evdns_search_ndots_set (int ndots)
564
565
566	MODULE = EV PACKAGE = EV::HTTP PREFIX = evhttp_
567
568	BOOT:
569	{	1323	{
570	HV *stash = gv_stashpv ("EV::HTTP", 1);	1324	int fd = s_fileno (fh, events & EV_WRITE);
		1325	CHECK_FD (fh, fd);
571		1326
572	static const struct {	1327	RETVAL = e_new (sizeof (ev_io), cb, ST (0));
573	const char *name;	1328	RETVAL->fh = newSVsv (fh);
574	IV iv;	1329	ev_io_set (RETVAL, fd, events);
575	} *civ, const_iv[] = {	1330	if (!ix) START (io, RETVAL);
576	# define const_iv(pfx, name) { # name, (IV) pfx ## name },
577	const_iv (HTTP_, OK)
578	const_iv (HTTP_, NOCONTENT)
579	const_iv (HTTP_, MOVEPERM)
580	const_iv (HTTP_, MOVETEMP)
581	const_iv (HTTP_, NOTMODIFIED)
582	const_iv (HTTP_, BADREQUEST)
583	const_iv (HTTP_, NOTFOUND)
584	const_iv (HTTP_, SERVUNAVAIL)
585	const_iv (EVHTTP_, REQ_OWN_CONNECTION)
586	const_iv (EVHTTP_, PROXY_REQUEST)
587	const_iv (EVHTTP_, REQ_GET)
588	const_iv (EVHTTP_, REQ_POST)
589	const_iv (EVHTTP_, REQ_HEAD)
590	const_iv (EVHTTP_, REQUEST)
591	const_iv (EVHTTP_, RESPONSE)
592	};
593
594	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
595	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
596	}	1331	}
		1332	OUTPUT:
		1333	RETVAL
597		1334
598	MODULE = EV PACKAGE = EV::HTTP::Request PREFIX = evhttp_request_	1335	ev_timer *timer (struct ev_loop *loop, NV after, NV repeat, SV *cb)
		1336	ALIAS:
		1337	timer_ns = 1
		1338	INIT:
		1339	CHECK_REPEAT (repeat);
		1340	CODE:
		1341	RETVAL = e_new (sizeof (ev_timer), cb, ST (0));
		1342	ev_timer_set (RETVAL, after, repeat);
		1343	if (!ix) START (timer, RETVAL);
		1344	OUTPUT:
		1345	RETVAL
599		1346
600	#HttpRequest new (SV *klass, SV *cb)	1347	SV *periodic (struct ev_loop *loop, NV at, NV interval, SV *reschedule_cb, SV *cb)
		1348	ALIAS:
		1349	periodic_ns = 1
		1350	INIT:
		1351	CHECK_REPEAT (interval);
		1352	CODE:
		1353	{
		1354	ev_periodic *w;
		1355	w = e_new (sizeof (ev_periodic), cb, ST (0));
		1356	w->fh = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
		1357	ev_periodic_set (w, at, interval, w->fh ? e_periodic_cb : 0);
		1358	RETVAL = e_bless ((ev_watcher *)w, stash_periodic);
		1359	if (!ix) START (periodic, w);
		1360	}
		1361	OUTPUT:
		1362	RETVAL
601		1363
602	#void DESTROY (struct evhttp_request *req);	1364	ev_signal *signal (struct ev_loop *loop, SV *signal, SV *cb)
		1365	ALIAS:
		1366	signal_ns = 1
		1367	CODE:
		1368	{
		1369	Signal signum = s_signum (signal);
		1370	CHECK_SIG (signal, signum);
603		1371
		1372	RETVAL = e_new (sizeof (ev_signal), cb, ST (0));
		1373	ev_signal_set (RETVAL, signum);
		1374	if (!ix) START_SIGNAL (RETVAL);
		1375	}
		1376	OUTPUT:
		1377	RETVAL
604		1378
		1379	ev_idle *idle (struct ev_loop *loop, SV *cb)
		1380	ALIAS:
		1381	idle_ns = 1
		1382	CODE:
		1383	RETVAL = e_new (sizeof (ev_idle), cb, ST (0));
		1384	ev_idle_set (RETVAL);
		1385	if (!ix) START (idle, RETVAL);
		1386	OUTPUT:
		1387	RETVAL
605		1388
		1389	ev_prepare *prepare (struct ev_loop *loop, SV *cb)
		1390	ALIAS:
		1391	prepare_ns = 1
		1392	CODE:
		1393	RETVAL = e_new (sizeof (ev_prepare), cb, ST (0));
		1394	ev_prepare_set (RETVAL);
		1395	if (!ix) START (prepare, RETVAL);
		1396	OUTPUT:
		1397	RETVAL
606		1398
		1399	ev_check *check (struct ev_loop *loop, SV *cb)
		1400	ALIAS:
		1401	check_ns = 1
		1402	CODE:
		1403	RETVAL = e_new (sizeof (ev_check), cb, ST (0));
		1404	ev_check_set (RETVAL);
		1405	if (!ix) START (check, RETVAL);
		1406	OUTPUT:
		1407	RETVAL
607		1408
		1409	ev_fork *fork (struct ev_loop *loop, SV *cb)
		1410	ALIAS:
		1411	fork_ns = 1
		1412	CODE:
		1413	RETVAL = e_new (sizeof (ev_fork), cb, ST (0));
		1414	ev_fork_set (RETVAL);
		1415	if (!ix) START (fork, RETVAL);
		1416	OUTPUT:
		1417	RETVAL
608		1418
		1419	ev_child *child (struct ev_loop *loop, int pid, int trace, SV *cb)
		1420	ALIAS:
		1421	child_ns = 1
		1422	CODE:
		1423	RETVAL = e_new (sizeof (ev_child), cb, ST (0));
		1424	ev_child_set (RETVAL, pid, trace);
		1425	if (!ix) START (child, RETVAL);
		1426	OUTPUT:
		1427	RETVAL
609		1428
		1429	ev_stat *stat (struct ev_loop *loop, SV *path, NV interval, SV *cb)
		1430	ALIAS:
		1431	stat_ns = 1
		1432	CODE:
		1433	RETVAL = e_new (sizeof (ev_stat), cb, ST (0));
		1434	RETVAL->fh = newSVsv (path);
		1435	ev_stat_set (RETVAL, SvPVbyte_nolen (RETVAL->fh), interval);
		1436	if (!ix) START (stat, RETVAL);
		1437	OUTPUT:
		1438	RETVAL
610		1439
		1440	ev_embed *embed (struct ev_loop *loop, struct ev_loop *other, SV *cb = 0)
		1441	ALIAS:
		1442	embed_ns = 1
		1443	CODE:
		1444	{
		1445	if (!(ev_backend (other) & ev_embeddable_backends ()))
		1446	croak ("passed loop is not embeddable via EV::embed,");
		1447
		1448	RETVAL = e_new (sizeof (ev_embed), cb, ST (0));
		1449	RETVAL->fh = newSVsv (ST (1));
		1450	ev_embed_set (RETVAL, other);
		1451	if (!ix) START (embed, RETVAL);
		1452	}
		1453	OUTPUT:
		1454	RETVAL
		1455
		1456	ev_async *async (struct ev_loop *loop, SV *cb)
		1457	ALIAS:
		1458	async_ns = 1
		1459	CODE:
		1460	RETVAL = e_new (sizeof (ev_async), cb, ST (0));
		1461	ev_async_set (RETVAL);
		1462	if (!ix) START (async, RETVAL);
		1463	OUTPUT:
		1464	RETVAL
		1465
		1466	void once (struct ev_loop *loop, SV *fh, int events, SV *timeout, SV *cb)
		1467	CODE:
		1468	ev_once (
		1469	loop,
		1470	s_fileno (fh, events & EV_WRITE), events,
		1471	SvOK (timeout) ? SvNV (timeout) : -1.,
		1472	e_once_cb,
		1473	newSVsv (cb)
		1474	);
		1475

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