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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 1.137 by root, Tue Mar 16 20:43:05 2010 UTC

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

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