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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 1.136 by root, Tue Mar 16 17:11:48 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.loop_count = ev_loop_count;
		441	evapi.loop_depth = ev_loop_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.set_loop_release_cb = ev_set_loop_release_cb;
		453	evapi.set_invoke_pending_cb= ev_set_invoke_pending_cb;
		454	evapi.ref = ev_ref;
		455	evapi.unref = ev_unref;
		456	evapi.loop = ev_loop;
		457	evapi.once = ev_once;
		458	evapi.io_start = ev_io_start;
		459	evapi.io_stop = ev_io_stop;
		460	evapi.timer_start = ev_timer_start;
		461	evapi.timer_stop = ev_timer_stop;
		462	evapi.timer_again = ev_timer_again;
		463	evapi.timer_remaining = ev_timer_remaining;
		464	evapi.periodic_start = ev_periodic_start;
		465	evapi.periodic_stop = ev_periodic_stop;
		466	evapi.signal_start = ev_signal_start;
		467	evapi.signal_stop = ev_signal_stop;
		468	evapi.idle_start = ev_idle_start;
		469	evapi.idle_stop = ev_idle_stop;
		470	evapi.prepare_start = ev_prepare_start;
		471	evapi.prepare_stop = ev_prepare_stop;
		472	evapi.check_start = ev_check_start;
		473	evapi.check_stop = ev_check_stop;
		474	evapi.child_start = ev_child_start;
		475	evapi.child_stop = ev_child_stop;
		476	evapi.stat_start = ev_stat_start;
		477	evapi.stat_stop = ev_stat_stop;
		478	evapi.stat_stat = ev_stat_stat;
		479	evapi.embed_start = ev_embed_start;
		480	evapi.embed_stop = ev_embed_stop;
		481	evapi.embed_sweep = ev_embed_sweep;
		482	evapi.fork_start = ev_fork_start;
		483	evapi.fork_stop = ev_fork_stop;
		484	evapi.async_start = ev_async_start;
		485	evapi.async_stop = ev_async_stop;
		486	evapi.async_send = ev_async_send;
		487	evapi.clear_pending = ev_clear_pending;
		488	evapi.invoke = ev_invoke;
279		489
280	Base event_init ()	490	sv_setiv (sv, (IV)&evapi);
		491	SvREADONLY_on (sv);
		492	}
		493	#ifndef _WIN32
		494	pthread_atfork (0, 0, ev_default_fork);
		495	#endif
		496	}
281		497
282	int event_priority_init (int npri)	498	SV *ev_default_loop (unsigned int flags = 0)
		499	CODE:
		500	{
		501	if (!default_loop_sv)
		502	{
		503	evapi.default_loop = ev_default_loop (flags);
283		504
284	int event_dispatch ()	505	if (!evapi.default_loop)
		506	XSRETURN_UNDEF;
285		507
		508	default_loop_sv = sv_bless (newRV_noinc (newSViv (PTR2IV (evapi.default_loop))), stash_loop);
		509	}
		510
		511	RETVAL = newSVsv (default_loop_sv);
		512	}
		513	OUTPUT:
		514	RETVAL
		515
		516	void ev_default_destroy ()
		517	CODE:
		518	ev_default_destroy ();
		519	SvREFCNT_dec (default_loop_sv);
		520	default_loop_sv = 0;
		521
		522	unsigned int ev_supported_backends ()
		523
		524	unsigned int ev_recommended_backends ()
		525
		526	unsigned int ev_embeddable_backends ()
		527
		528	void ev_sleep (NV interval)
		529
		530	NV ev_time ()
		531
		532	NV ev_now ()
		533	C_ARGS: evapi.default_loop
		534
		535	void ev_now_update ()
		536	C_ARGS: evapi.default_loop
		537
		538	void ev_suspend ()
		539	C_ARGS: evapi.default_loop
		540
		541	void ev_resume ()
		542	C_ARGS: evapi.default_loop
		543
		544	unsigned int ev_backend ()
		545	C_ARGS: evapi.default_loop
		546
		547	void ev_loop_verify ()
		548	C_ARGS: evapi.default_loop
		549
		550	unsigned int ev_loop_count ()
		551	C_ARGS: evapi.default_loop
		552
		553	unsigned int ev_loop_depth ()
		554	C_ARGS: evapi.default_loop
		555
		556	void ev_set_io_collect_interval (NV interval)
		557	C_ARGS: evapi.default_loop, interval
		558
		559	void ev_set_timeout_collect_interval (NV interval)
		560	C_ARGS: evapi.default_loop, interval
		561
286	int event_loop (int flags = 0)	562	void ev_loop (int flags = 0)
		563	C_ARGS: evapi.default_loop, flags
287		564
288	int event_loopexit (double after)	565	void ev_unloop (int how = EVUNLOOP_ONE)
289	CODE:	566	C_ARGS: evapi.default_loop, how
290	{
291	struct timeval tv;
292	tv_set (&tv, after);
293	event_loopexit (&tv);
294	}
295		567
296	Event event (SV *cb)	568	void ev_feed_fd_event (int fd, int revents = EV_NONE)
297	CODE:	569	C_ARGS: evapi.default_loop, fd, revents
298	RETVAL = e_new (0, 0, cb);
299	OUTPUT:
300	RETVAL
301		570
		571	void ev_feed_signal_event (SV *signal)
		572	CODE:
		573	{
		574	Signal signum = s_signum (signal);
		575	CHECK_SIG (signal, signum);
		576
		577	ev_feed_signal_event (evapi.default_loop, signum);
		578	}
		579
		580	unsigned int ev_pending_count ()
		581	C_ARGS: evapi.default_loop
		582
		583	void ev_invoke_pending ()
		584	C_ARGS: evapi.default_loop
		585
302	Event io (SV *fh, short events, SV *cb)	586	ev_io *io (SV *fh, int events, SV *cb)
303	ALIAS:	587	ALIAS:
304	io_ns = 1	588	io_ns = 1
		589	_ae_io = 2
305	CODE:	590	CODE:
306	RETVAL = e_new (fh, events, cb);	591	{
		592	int fd = s_fileno (fh, events & EV_WRITE);
		593	CHECK_FD (fh, fd);
		594
		595	if (ix == 2)
		596	{
		597	ix = 0;
		598	events = events ? EV_WRITE : EV_READ;
		599	}
		600
		601	RETVAL = e_new (sizeof (ev_io), cb, default_loop_sv);
		602	RETVAL->fh = newSVsv (fh);
		603	ev_io_set (RETVAL, fd, events);
307	if (!ix) e_start (RETVAL);	604	if (!ix) START (io, RETVAL);
		605	}
308	OUTPUT:	606	OUTPUT:
309	RETVAL	607	RETVAL
310		608
311	Event timer (double after, int repeat, SV *cb)	609	ev_timer *timer (NV after, NV repeat, SV *cb)
312	ALIAS:	610	ALIAS:
313	timer_ns = 1	611	timer_ns = 1
		612	INIT:
		613	CHECK_REPEAT (repeat);
314	CODE:	614	CODE:
315	RETVAL = e_new (0, 0, cb);	615	RETVAL = e_new (sizeof (ev_timer), cb, default_loop_sv);
316	RETVAL->timeout = after;	616	ev_timer_set (RETVAL, after, repeat);
317	RETVAL->interval = repeat;	617	if (!ix) START (timer, RETVAL);
318	if (!ix) e_start (RETVAL);
319	OUTPUT:	618	OUTPUT:
320	RETVAL	619	RETVAL
321		620
322	Event timer_abs (double at, double interval, SV *cb)	621	SV *periodic (NV at, NV interval, SV *reschedule_cb, SV *cb)
323	ALIAS:	622	ALIAS:
324	timer_abs_ns = 1	623	periodic_ns = 1
		624	INIT:
		625	CHECK_REPEAT (interval);
325	CODE:	626	CODE:
326	RETVAL = e_new (0, 0, cb);	627	{
327	RETVAL->timeout = at;	628	ev_periodic *w;
328	RETVAL->interval = interval;	629	w = e_new (sizeof (ev_periodic), cb, default_loop_sv);
329	RETVAL->abstime = 1;	630	w->fh = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
330	if (!ix) e_start (RETVAL);	631	ev_periodic_set (w, at, interval, w->fh ? e_periodic_cb : 0);
		632	RETVAL = e_bless ((ev_watcher *)w, stash_periodic);
		633	if (!ix) START (periodic, w);
		634	}
331	OUTPUT:	635	OUTPUT:
332	RETVAL	636	RETVAL
333		637
334	Event signal (SV *signal, SV *cb)	638	ev_signal *signal (SV *signal, SV *cb)
335	ALIAS:	639	ALIAS:
336	signal_ns = 1	640	signal_ns = 1
337	CODE:	641	CODE:
338	RETVAL = e_new (signal, EV_SIGNAL | EV_PERSIST, cb);	642	{
		643	Signal signum = s_signum (signal);
		644	CHECK_SIG (signal, signum);
		645
		646	RETVAL = e_new (sizeof (ev_signal), cb, default_loop_sv);
		647	ev_signal_set (RETVAL, signum);
		648	if (!ix) START_SIGNAL (RETVAL);
		649	}
		650	OUTPUT:
		651	RETVAL
		652
		653	ev_idle *idle (SV *cb)
		654	ALIAS:
		655	idle_ns = 1
		656	CODE:
		657	RETVAL = e_new (sizeof (ev_idle), cb, default_loop_sv);
		658	ev_idle_set (RETVAL);
		659	if (!ix) START (idle, RETVAL);
		660	OUTPUT:
		661	RETVAL
		662
		663	ev_prepare *prepare (SV *cb)
		664	ALIAS:
		665	prepare_ns = 1
		666	CODE:
		667	RETVAL = e_new (sizeof (ev_prepare), cb, default_loop_sv);
		668	ev_prepare_set (RETVAL);
		669	if (!ix) START (prepare, RETVAL);
		670	OUTPUT:
		671	RETVAL
		672
		673	ev_check *check (SV *cb)
		674	ALIAS:
		675	check_ns = 1
		676	CODE:
		677	RETVAL = e_new (sizeof (ev_check), cb, default_loop_sv);
		678	ev_check_set (RETVAL);
		679	if (!ix) START (check, RETVAL);
		680	OUTPUT:
		681	RETVAL
		682
		683	ev_fork *fork (SV *cb)
		684	ALIAS:
		685	fork_ns = 1
		686	CODE:
		687	RETVAL = e_new (sizeof (ev_fork), cb, default_loop_sv);
		688	ev_fork_set (RETVAL);
		689	if (!ix) START (fork, RETVAL);
		690	OUTPUT:
		691	RETVAL
		692
		693	ev_child *child (int pid, int trace, SV *cb)
		694	ALIAS:
		695	child_ns = 1
		696	CODE:
		697	RETVAL = e_new (sizeof (ev_child), cb, default_loop_sv);
		698	ev_child_set (RETVAL, pid, trace);
		699	if (!ix) START (child, RETVAL);
		700	OUTPUT:
		701	RETVAL
		702
		703	ev_stat *stat (SV *path, NV interval, SV *cb)
		704	ALIAS:
		705	stat_ns = 1
		706	CODE:
		707	RETVAL = e_new (sizeof (ev_stat), cb, default_loop_sv);
		708	RETVAL->fh = newSVsv (path);
		709	ev_stat_set (RETVAL, SvPVbyte_nolen (RETVAL->fh), interval);
339	if (!ix) e_start (RETVAL);	710	if (!ix) START (stat, RETVAL);
340	OUTPUT:	711	OUTPUT:
341	RETVAL	712	RETVAL
		713
		714	ev_embed *embed (struct ev_loop *loop, SV *cb = 0)
		715	ALIAS:
		716	embed_ns = 1
		717	CODE:
		718	{
		719	if (!(ev_backend (loop) & ev_embeddable_backends ()))
		720	croak ("passed loop is not embeddable via EV::embed,");
		721
		722	RETVAL = e_new (sizeof (ev_embed), cb, default_loop_sv);
		723	RETVAL->fh = newSVsv (ST (0));
		724	ev_embed_set (RETVAL, loop);
		725	if (!ix) START (embed, RETVAL);
		726	}
		727	OUTPUT:
		728	RETVAL
		729
		730	ev_async *async (SV *cb)
		731	ALIAS:
		732	async_ns = 1
		733	CODE:
		734	RETVAL = e_new (sizeof (ev_async), cb, default_loop_sv);
		735	ev_async_set (RETVAL);
		736	if (!ix) START (async, RETVAL);
		737	OUTPUT:
		738	RETVAL
		739
		740	void once (SV *fh, int events, SV *timeout, SV *cb)
		741	CODE:
		742	ev_once (
		743	evapi.default_loop,
		744	s_fileno (fh, events & EV_WRITE), events,
		745	SvOK (timeout) ? SvNV (timeout) : -1.,
		746	e_once_cb,
		747	newSVsv (cb)
		748	);
342		749
343	PROTOTYPES: DISABLE	750	PROTOTYPES: DISABLE
344		751
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_	752	MODULE = EV PACKAGE = EV::Watcher PREFIX = ev_
378		753
379	int event_priority_set (Event ev, int pri)	754	int ev_is_active (ev_watcher *w)
380	C_ARGS: &ev->ev, pri
381		755
382	int event_add (Event ev, double timeout = TIMEOUT_NONE)	756	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		757
390	int event_start (Event ev)	758	void ev_invoke (ev_watcher *w, int revents = EV_NONE)
391	CODE:	759	C_ARGS: e_loop (w), w, revents
392	RETVAL = e_start (ev);
393	OUTPUT:
394	RETVAL
395		760
396	int event_del (Event ev)	761	int ev_clear_pending (ev_watcher *w)
397	ALIAS:	762	C_ARGS: e_loop (w), w
398	stop = 0
399	CODE:
400	RETVAL = e_stop (ev);
401	OUTPUT:
402	RETVAL
403		763
404	void DESTROY (Event ev)	764	void ev_feed_event (ev_watcher *w, int revents = EV_NONE)
405	CODE:	765	C_ARGS: e_loop (w), w, revents
406	e_stop (ev);
407	SvREFCNT_dec (ev->cb);
408	SvREFCNT_dec (ev->fh);
409		766
410	void cb (Event ev, SV *new_cb)	767	int keepalive (ev_watcher *w, int new_value = 0)
411	CODE:	768	CODE:
412	sv_setsv (ev->cb, new_cb);	769	{
		770	RETVAL = w->e_flags & WFLAG_KEEPALIVE;
		771	new_value = new_value ? WFLAG_KEEPALIVE : 0;
413		772
414	SV *fh (Event ev, SV *new_fh = 0)	773	if (items > 1 && ((new_value ^ w->e_flags) & WFLAG_KEEPALIVE))
415	ALIAS:	774	{
416	signal = 0	775	w->e_flags = (w->e_flags & ~WFLAG_KEEPALIVE) | new_value;
		776	REF (w);
		777	UNREF (w);
		778	}
		779	}
		780	OUTPUT:
		781	RETVAL
		782
		783	SV *cb (ev_watcher *w, SV *new_cb = 0)
417	CODE:	784	CODE:
418	RETVAL = newSVsv (ev->fh);	785	{
419	if (items > 1)	786	if (items > 1)
420	{	787	{
421	if (ev->active) event_del (&ev->ev);	788	new_cb = s_get_cv_croak (new_cb);
422	sv_setsv (ev->fh, new_fh);	789	RETVAL = newRV_noinc (w->cb_sv);
423	ev->ev.ev_fd = sv_fileno (ev->fh);	790	w->cb_sv = SvREFCNT_inc (new_cb);
424	if (ev->active) event_add (&ev->ev, e_tv (ev));
425	}	791	}
		792	else
		793	RETVAL = newRV_inc (w->cb_sv);
		794	}
426	OUTPUT:	795	OUTPUT:
427	RETVAL	796	RETVAL
428		797
429	short events (Event ev, short new_events = EV_UNDEF)	798	SV *data (ev_watcher *w, SV *new_data = 0)
430	CODE:	799	CODE:
431	RETVAL = ev->ev.ev_events;	800	{
		801	RETVAL = w->data ? newSVsv (w->data) : &PL_sv_undef;
		802
432	if (items > 1)	803	if (items > 1)
433	{	804	{
434	if (ev->active) event_del (&ev->ev);	805	SvREFCNT_dec (w->data);
435	ev->ev.ev_events = new_events;	806	w->data = newSVsv (new_data);
436	if (ev->active) event_add (&ev->ev, e_tv (ev));
437	}	807	}
		808	}
438	OUTPUT:	809	OUTPUT:
439	RETVAL	810	RETVAL
440		811
441	double timeout (Event ev, double new_timeout = 0., int repeat = 0)	812	SV *loop (ev_watcher *w)
442	CODE:	813	CODE:
443	RETVAL = ev->timeout;	814	RETVAL = newRV_inc (w->loop);
		815	OUTPUT:
		816	RETVAL
		817
		818	int priority (ev_watcher *w, int new_priority = 0)
		819	CODE:
		820	{
		821	RETVAL = w->priority;
		822
444	if (items > 1)	823	if (items > 1)
445	{	824	{
446	if (ev->active) event_del (&ev->ev);	825	int active = ev_is_active (w);
447	ev->timeout = new_timeout;	826
448	ev->interval = repeat;	827	if (active)
449	ev->abstime = 0;	828	{
450	if (ev->active) event_add (&ev->ev, e_tv (ev));	829	/* grrr. */
		830	PUSHMARK (SP);
		831	XPUSHs (ST (0));
		832	PUTBACK;
		833	call_method ("stop", G_DISCARD | G_VOID);
		834	}
		835
		836	ev_set_priority (w, new_priority);
		837
		838	if (active)
		839	{
		840	PUSHMARK (SP);
		841	XPUSHs (ST (0));
		842	PUTBACK;
		843	call_method ("start", G_DISCARD | G_VOID);
		844	}
451	}	845	}
		846	}
452	OUTPUT:	847	OUTPUT:
453	RETVAL	848	RETVAL
454		849
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_	850	MODULE = EV PACKAGE = EV::IO PREFIX = ev_io_
465		851
466	BOOT:	852	void ev_io_start (ev_io *w)
467	{	853	CODE:
468	HV *stash = gv_stashpv ("EV::DNS", 1);	854	START (io, w);
469		855
470	static const struct {	856	void ev_io_stop (ev_io *w)
471	const char *name;	857	CODE:
472	IV iv;	858	STOP (io, w);
473	} *civ, const_iv[] = {
474	# define const_iv(pfx, name) { # name, (IV) pfx ## name },
475		859
476	const_iv (DNS_, ERR_NONE)	860	void DESTROY (ev_io *w)
477	const_iv (DNS_, ERR_FORMAT)	861	CODE:
478	const_iv (DNS_, ERR_SERVERFAILED)	862	STOP (io, w);
479	const_iv (DNS_, ERR_NOTEXIST)	863	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		864
497	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	865	void set (ev_io *w, SV *fh, int events)
498	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	866	CODE:
499	}	867	{
		868	int fd = s_fileno (fh, events & EV_WRITE);
		869	CHECK_FD (fh, fd);
500		870
501	int evdns_init ()	871	sv_setsv (w->fh, fh);
		872	RESET (io, w, (w, fd, events));
		873	}
502		874
503	void evdns_shutdown (int fail_requests = 1)	875	SV *fh (ev_io *w, SV *new_fh = 0)
		876	CODE:
		877	{
		878	if (items > 1)
		879	{
		880	int fd = s_fileno (new_fh, w->events & EV_WRITE);
		881	CHECK_FD (new_fh, fd);
504		882
505	const char *evdns_err_to_string (int err)	883	RETVAL = w->fh;
		884	w->fh = newSVsv (new_fh);
506		885
507	int evdns_nameserver_add (U32 address)	886	RESET (io, w, (w, fd, w->events));
		887	}
		888	else
		889	RETVAL = newSVsv (w->fh);
		890	}
		891	OUTPUT:
		892	RETVAL
508		893
509	int evdns_count_nameservers ()	894	int events (ev_io *w, int new_events = EV_UNDEF)
		895	CODE:
		896	{
		897	RETVAL = w->events;
510		898
511	int evdns_clear_nameservers_and_suspend ()	899	if (items > 1)
		900	RESET (io, w, (w, w->fd, new_events));
		901	}
		902	OUTPUT:
		903	RETVAL
512		904
513	int evdns_resume ()	905	MODULE = EV PACKAGE = EV::Signal PREFIX = ev_signal_
514		906
515	int evdns_nameserver_ip_add (char *ip_as_string)	907	void ev_signal_start (ev_signal *w)
		908	CODE:
		909	START_SIGNAL (w);
516		910
517	int evdns_resolve_ipv4 (const char *name, int flags, SV *cb)	911	void ev_signal_stop (ev_signal *w)
518	C_ARGS: name, flags, dns_cb, (void *)SvREFCNT_inc (cb)	912	CODE:
		913	STOP (signal, w);
519		914
520	int evdns_resolve_ipv6 (const char *name, int flags, SV *cb)	915	void DESTROY (ev_signal *w)
521	C_ARGS: name, flags, dns_cb, (void *)SvREFCNT_inc (cb)	916	CODE:
		917	STOP (signal, w);
		918	e_destroy (w);
522		919
523	int evdns_resolve_reverse (SV *addr, int flags, SV *cb)	920	void set (ev_signal *w, SV *signal)
524	ALIAS:	921	CODE:
525	evdns_resolve_reverse_ipv6 = 1	922	{
		923	Signal signum = s_signum (signal);
		924	CHECK_SIG (signal, signum);
		925
		926	RESET_SIGNAL (w, (w, signum));
		927	}
		928
		929	int signal (ev_signal *w, SV *new_signal = 0)
		930	CODE:
		931	{
		932	RETVAL = w->signum;
		933
		934	if (items > 1)
		935	{
		936	Signal signum = s_signum (new_signal);
		937	CHECK_SIG (new_signal, signum);
		938
		939	RESET_SIGNAL (w, (w, signum));
		940	}
		941	}
		942	OUTPUT:
		943	RETVAL
		944
		945	MODULE = EV PACKAGE = EV::Timer PREFIX = ev_timer_
		946
		947	void ev_timer_start (ev_timer *w)
		948	INIT:
		949	CHECK_REPEAT (w->repeat);
		950	CODE:
		951	START (timer, w);
		952
		953	void ev_timer_stop (ev_timer *w)
		954	CODE:
		955	STOP (timer, w);
		956
		957	void ev_timer_again (ev_timer *w)
		958	INIT:
		959	CHECK_REPEAT (w->repeat);
526	CODE:	960	CODE:
527	{	961	ev_timer_again (e_loop (w), w);
528	STRLEN len;	962	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		963
		964	NV ev_timer_remaining (ev_timer *w)
		965	C_ARGS: e_loop (w), w
		966
		967	void DESTROY (ev_timer *w)
		968	CODE:
		969	STOP (timer, w);
		970	e_destroy (w);
		971
		972	void set (ev_timer *w, NV after, NV repeat = 0.)
		973	INIT:
		974	CHECK_REPEAT (repeat);
		975	CODE:
		976	RESET (timer, w, (w, after, repeat));
		977
		978	MODULE = EV PACKAGE = EV::Periodic PREFIX = ev_periodic_
		979
		980	void ev_periodic_start (ev_periodic *w)
		981	INIT:
		982	CHECK_REPEAT (w->interval);
		983	CODE:
		984	START (periodic, w);
		985
		986	void ev_periodic_stop (ev_periodic *w)
		987	CODE:
		988	STOP (periodic, w);
		989
		990	void ev_periodic_again (ev_periodic *w)
		991	CODE:
		992	ev_periodic_again (e_loop (w), w);
		993	UNREF (w);
		994
		995	void DESTROY (ev_periodic *w)
		996	CODE:
		997	STOP (periodic, w);
		998	e_destroy (w);
		999
		1000	void set (ev_periodic *w, NV at, NV interval = 0., SV *reschedule_cb = &PL_sv_undef)
		1001	INIT:
		1002	CHECK_REPEAT (interval);
		1003	CODE:
		1004	{
		1005	SvREFCNT_dec (w->fh);
		1006	w->fh = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
		1007
		1008	RESET (periodic, w, (w, at, interval, w->fh ? e_periodic_cb : 0));
		1009	}
		1010
		1011	NV at (ev_periodic *w)
		1012	CODE:
		1013	RETVAL = ev_periodic_at (w);
		1014	OUTPUT:
533	RETVAL = ix	1015	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		1016
540	int evdns_set_option (char *option, char *val, int flags)	1017	MODULE = EV PACKAGE = EV::Idle PREFIX = ev_idle_
541		1018
542	int evdns_resolv_conf_parse (int flags, const char *filename)	1019	void ev_idle_start (ev_idle *w)
		1020	CODE:
		1021	START (idle, w);
543		1022
544	#ifdef MS_WINDOWS	1023	void ev_idle_stop (ev_idle *w)
		1024	CODE:
		1025	STOP (idle, w);
545		1026
546	int evdns_config_windows_nameservers ()	1027	void DESTROY (ev_idle *w)
		1028	CODE:
		1029	STOP (idle, w);
		1030	e_destroy (w);
		1031
		1032	MODULE = EV PACKAGE = EV::Prepare PREFIX = ev_prepare_
		1033
		1034	void ev_prepare_start (ev_prepare *w)
		1035	CODE:
		1036	START (prepare, w);
		1037
		1038	void ev_prepare_stop (ev_prepare *w)
		1039	CODE:
		1040	STOP (prepare, w);
		1041
		1042	void DESTROY (ev_prepare *w)
		1043	CODE:
		1044	STOP (prepare, w);
		1045	e_destroy (w);
		1046
		1047	MODULE = EV PACKAGE = EV::Check PREFIX = ev_check_
		1048
		1049	void ev_check_start (ev_check *w)
		1050	CODE:
		1051	START (check, w);
		1052
		1053	void ev_check_stop (ev_check *w)
		1054	CODE:
		1055	STOP (check, w);
		1056
		1057	void DESTROY (ev_check *w)
		1058	CODE:
		1059	STOP (check, w);
		1060	e_destroy (w);
		1061
		1062	MODULE = EV PACKAGE = EV::Fork PREFIX = ev_fork_
		1063
		1064	void ev_fork_start (ev_fork *w)
		1065	CODE:
		1066	START (fork, w);
		1067
		1068	void ev_fork_stop (ev_fork *w)
		1069	CODE:
		1070	STOP (fork, w);
		1071
		1072	void DESTROY (ev_fork *w)
		1073	CODE:
		1074	STOP (fork, w);
		1075	e_destroy (w);
		1076
		1077	MODULE = EV PACKAGE = EV::Child PREFIX = ev_child_
		1078
		1079	void ev_child_start (ev_child *w)
		1080	CODE:
		1081	START (child, w);
		1082
		1083	void ev_child_stop (ev_child *w)
		1084	CODE:
		1085	STOP (child, w);
		1086
		1087	void DESTROY (ev_child *w)
		1088	CODE:
		1089	STOP (child, w);
		1090	e_destroy (w);
		1091
		1092	void set (ev_child *w, int pid, int trace)
		1093	CODE:
		1094	RESET (child, w, (w, pid, trace));
		1095
		1096	int pid (ev_child *w)
		1097	ALIAS:
		1098	rpid = 1
		1099	rstatus = 2
		1100	CODE:
		1101	RETVAL = ix == 0 ? w->pid
		1102	: ix == 1 ? w->rpid
		1103	: w->rstatus;
		1104	OUTPUT:
		1105	RETVAL
		1106
		1107	MODULE = EV PACKAGE = EV::Stat PREFIX = ev_stat_
		1108
		1109	void ev_stat_start (ev_stat *w)
		1110	CODE:
		1111	START (stat, w);
		1112
		1113	void ev_stat_stop (ev_stat *w)
		1114	CODE:
		1115	STOP (stat, w);
		1116
		1117	void DESTROY (ev_stat *w)
		1118	CODE:
		1119	STOP (stat, w);
		1120	e_destroy (w);
		1121
		1122	void set (ev_stat *w, SV *path, NV interval)
		1123	CODE:
		1124	{
		1125	sv_setsv (w->fh, path);
		1126	RESET (stat, w, (w, SvPVbyte_nolen (w->fh), interval));
		1127	}
		1128
		1129	SV *path (ev_stat *w, SV *new_path = 0)
		1130	CODE:
		1131	{
		1132	RETVAL = SvREFCNT_inc (w->fh);
		1133
		1134	if (items > 1)
		1135	{
		1136	SvREFCNT_dec (w->fh);
		1137	w->fh = newSVsv (new_path);
		1138	RESET (stat, w, (w, SvPVbyte_nolen (w->fh), w->interval));
		1139	}
		1140	}
		1141	OUTPUT:
		1142	RETVAL
		1143
		1144	NV interval (ev_stat *w, NV new_interval = 0.)
		1145	CODE:
		1146	{
		1147	RETVAL = w->interval;
		1148
		1149	if (items > 1)
		1150	RESET (stat, w, (w, SvPVbyte_nolen (w->fh), new_interval));
		1151	}
		1152	OUTPUT:
		1153	RETVAL
		1154
		1155	void prev (ev_stat *w)
		1156	ALIAS:
		1157	stat = 1
		1158	attr = 2
		1159	PPCODE:
		1160	{
		1161	ev_statdata *s = ix ? &w->attr : &w->prev;
		1162
		1163	if (ix == 1)
		1164	ev_stat_stat (e_loop (w), w);
		1165	else if (!s->st_nlink)
		1166	errno = ENOENT;
		1167
		1168	PL_statcache.st_dev = s->st_nlink;
		1169	PL_statcache.st_ino = s->st_ino;
		1170	PL_statcache.st_mode = s->st_mode;
		1171	PL_statcache.st_nlink = s->st_nlink;
		1172	PL_statcache.st_uid = s->st_uid;
		1173	PL_statcache.st_gid = s->st_gid;
		1174	PL_statcache.st_rdev = s->st_rdev;
		1175	PL_statcache.st_size = s->st_size;
		1176	PL_statcache.st_atime = s->st_atime;
		1177	PL_statcache.st_mtime = s->st_mtime;
		1178	PL_statcache.st_ctime = s->st_ctime;
		1179
		1180	if (GIMME_V == G_SCALAR)
		1181	XPUSHs (boolSV (s->st_nlink));
		1182	else if (GIMME_V == G_ARRAY && s->st_nlink)
		1183	{
		1184	EXTEND (SP, 13);
		1185	PUSHs (sv_2mortal (newSViv (s->st_dev)));
		1186	PUSHs (sv_2mortal (newSViv (s->st_ino)));
		1187	PUSHs (sv_2mortal (newSVuv (s->st_mode)));
		1188	PUSHs (sv_2mortal (newSVuv (s->st_nlink)));
		1189	PUSHs (sv_2mortal (newSViv (s->st_uid)));
		1190	PUSHs (sv_2mortal (newSViv (s->st_gid)));
		1191	PUSHs (sv_2mortal (newSViv (s->st_rdev)));
		1192	PUSHs (sv_2mortal (newSVnv ((NV)s->st_size)));
		1193	PUSHs (sv_2mortal (newSVnv (s->st_atime)));
		1194	PUSHs (sv_2mortal (newSVnv (s->st_mtime)));
		1195	PUSHs (sv_2mortal (newSVnv (s->st_ctime)));
		1196	PUSHs (sv_2mortal (newSVuv (4096)));
		1197	PUSHs (sv_2mortal (newSVnv ((NV)((s->st_size + 4095) / 4096))));
		1198	}
		1199	}
		1200
		1201	MODULE = EV PACKAGE = EV::Embed PREFIX = ev_embed_
		1202
		1203	void ev_embed_start (ev_embed *w)
		1204	CODE:
		1205	START (embed, w);
		1206
		1207	void ev_embed_stop (ev_embed *w)
		1208	CODE:
		1209	STOP (embed, w);
		1210
		1211	void DESTROY (ev_embed *w)
		1212	CODE:
		1213	STOP (embed, w);
		1214	e_destroy (w);
		1215
		1216	void set (ev_embed *w, struct ev_loop *loop)
		1217	CODE:
		1218	{
		1219	sv_setsv (w->fh, ST (1));
		1220	RESET (embed, w, (w, loop));
		1221	}
		1222
		1223	SV *other (ev_embed *w)
		1224	CODE:
		1225	RETVAL = newSVsv (w->fh);
		1226	OUTPUT:
		1227	RETVAL
		1228
		1229	void ev_embed_sweep (ev_embed *w)
		1230	C_ARGS: e_loop (w), w
		1231
		1232	MODULE = EV PACKAGE = EV::Async PREFIX = ev_async_
		1233
		1234	void ev_async_start (ev_async *w)
		1235	CODE:
		1236	START (async, w);
		1237
		1238	void ev_async_stop (ev_async *w)
		1239	CODE:
		1240	STOP (async, w);
		1241
		1242	void DESTROY (ev_async *w)
		1243	CODE:
		1244	STOP (async, w);
		1245	e_destroy (w);
		1246
		1247	void ev_async_send (ev_async *w)
		1248	C_ARGS: e_loop (w), w
		1249
		1250	SV *ev_async_async_pending (ev_async *w)
		1251	CODE:
		1252	RETVAL = boolSV (ev_async_pending (w));
		1253	OUTPUT:
		1254	RETVAL
		1255
		1256	MODULE = EV PACKAGE = EV::Loop PREFIX = ev_
		1257
		1258	SV *new (SV *klass, unsigned int flags = 0)
		1259	CODE:
		1260	{
		1261	struct ev_loop *loop = ev_loop_new (flags);
		1262
		1263	if (!loop)
		1264	XSRETURN_UNDEF;
		1265
		1266	RETVAL = sv_bless (newRV_noinc (newSViv (PTR2IV (loop))), stash_loop);
		1267	}
		1268	OUTPUT:
		1269	RETVAL
		1270
		1271	void DESTROY (struct ev_loop *loop)
		1272	CODE:
		1273	if (loop != evapi.default_loop) /* global destruction sucks */
		1274	ev_loop_destroy (loop);
		1275
		1276	void ev_loop_fork (struct ev_loop *loop)
		1277
		1278	void ev_loop_verify (struct ev_loop *loop)
		1279
		1280	NV ev_now (struct ev_loop *loop)
		1281
		1282	void ev_now_update (struct ev_loop *loop)
		1283
		1284	void ev_suspend (struct ev_loop *loop)
		1285
		1286	void ev_resume (struct ev_loop *loop)
		1287
		1288	void ev_set_io_collect_interval (struct ev_loop *loop, NV interval)
		1289
		1290	void ev_set_timeout_collect_interval (struct ev_loop *loop, NV interval)
		1291
		1292	unsigned int ev_backend (struct ev_loop *loop)
		1293
		1294	unsigned int ev_loop_count (struct ev_loop *loop)
		1295
		1296	unsigned int ev_loop_depth (struct ev_loop *loop)
		1297
		1298	void ev_loop (struct ev_loop *loop, int flags = 0)
		1299
		1300	void ev_unloop (struct ev_loop *loop, int how = 1)
		1301
		1302	void ev_feed_fd_event (struct ev_loop *loop, int fd, int revents = EV_NONE)
		1303
		1304	unsigned int ev_pending_count (struct ev_loop *loop)
		1305
		1306	void ev_invoke_pending (struct ev_loop *loop)
		1307
		1308	#if 0
		1309
		1310	void ev_feed_signal_event (struct ev_loop *loop, SV *signal)
		1311	CODE:
		1312	{
		1313	Signal signum = s_signum (signal);
		1314	CHECK_SIG (signal, signum);
		1315
		1316	ev_feed_signal_event (loop, signum);
		1317	}
547		1318
548	#endif	1319	#endif
549		1320
550	void evdns_search_clear ()	1321	ev_io *io (struct ev_loop *loop, SV *fh, int events, SV *cb)
		1322	ALIAS:
		1323	io_ns = 1
		1324	CODE:
		1325	{
		1326	int fd = s_fileno (fh, events & EV_WRITE);
		1327	CHECK_FD (fh, fd);
551		1328
552	void evdns_search_add (char *domain)	1329	RETVAL = e_new (sizeof (ev_io), cb, ST (0));
		1330	RETVAL->fh = newSVsv (fh);
		1331	ev_io_set (RETVAL, fd, events);
		1332	if (!ix) START (io, RETVAL);
		1333	}
		1334	OUTPUT:
		1335	RETVAL
553		1336
554	void evdns_search_ndots_set (int ndots)	1337	ev_timer *timer (struct ev_loop *loop, NV after, NV repeat, SV *cb)
		1338	ALIAS:
		1339	timer_ns = 1
		1340	INIT:
		1341	CHECK_REPEAT (repeat);
		1342	CODE:
		1343	RETVAL = e_new (sizeof (ev_timer), cb, ST (0));
		1344	ev_timer_set (RETVAL, after, repeat);
		1345	if (!ix) START (timer, RETVAL);
		1346	OUTPUT:
		1347	RETVAL
555		1348
		1349	SV *periodic (struct ev_loop *loop, NV at, NV interval, SV *reschedule_cb, SV *cb)
		1350	ALIAS:
		1351	periodic_ns = 1
		1352	INIT:
		1353	CHECK_REPEAT (interval);
		1354	CODE:
		1355	{
		1356	ev_periodic *w;
		1357	w = e_new (sizeof (ev_periodic), cb, ST (0));
		1358	w->fh = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
		1359	ev_periodic_set (w, at, interval, w->fh ? e_periodic_cb : 0);
		1360	RETVAL = e_bless ((ev_watcher *)w, stash_periodic);
		1361	if (!ix) START (periodic, w);
		1362	}
		1363	OUTPUT:
		1364	RETVAL
		1365
		1366	ev_signal *signal (struct ev_loop *loop, SV *signal, SV *cb)
		1367	ALIAS:
		1368	signal_ns = 1
		1369	CODE:
		1370	{
		1371	Signal signum = s_signum (signal);
		1372	CHECK_SIG (signal, signum);
		1373
		1374	RETVAL = e_new (sizeof (ev_signal), cb, ST (0));
		1375	ev_signal_set (RETVAL, signum);
		1376	if (!ix) START_SIGNAL (RETVAL);
		1377	}
		1378	OUTPUT:
		1379	RETVAL
		1380
		1381	ev_idle *idle (struct ev_loop *loop, SV *cb)
		1382	ALIAS:
		1383	idle_ns = 1
		1384	CODE:
		1385	RETVAL = e_new (sizeof (ev_idle), cb, ST (0));
		1386	ev_idle_set (RETVAL);
		1387	if (!ix) START (idle, RETVAL);
		1388	OUTPUT:
		1389	RETVAL
		1390
		1391	ev_prepare *prepare (struct ev_loop *loop, SV *cb)
		1392	ALIAS:
		1393	prepare_ns = 1
		1394	CODE:
		1395	RETVAL = e_new (sizeof (ev_prepare), cb, ST (0));
		1396	ev_prepare_set (RETVAL);
		1397	if (!ix) START (prepare, RETVAL);
		1398	OUTPUT:
		1399	RETVAL
		1400
		1401	ev_check *check (struct ev_loop *loop, SV *cb)
		1402	ALIAS:
		1403	check_ns = 1
		1404	CODE:
		1405	RETVAL = e_new (sizeof (ev_check), cb, ST (0));
		1406	ev_check_set (RETVAL);
		1407	if (!ix) START (check, RETVAL);
		1408	OUTPUT:
		1409	RETVAL
		1410
		1411	ev_fork *fork (struct ev_loop *loop, SV *cb)
		1412	ALIAS:
		1413	fork_ns = 1
		1414	CODE:
		1415	RETVAL = e_new (sizeof (ev_fork), cb, ST (0));
		1416	ev_fork_set (RETVAL);
		1417	if (!ix) START (fork, RETVAL);
		1418	OUTPUT:
		1419	RETVAL
		1420
		1421	ev_child *child (struct ev_loop *loop, int pid, int trace, SV *cb)
		1422	ALIAS:
		1423	child_ns = 1
		1424	CODE:
		1425	RETVAL = e_new (sizeof (ev_child), cb, ST (0));
		1426	ev_child_set (RETVAL, pid, trace);
		1427	if (!ix) START (child, RETVAL);
		1428	OUTPUT:
		1429	RETVAL
		1430
		1431	ev_stat *stat (struct ev_loop *loop, SV *path, NV interval, SV *cb)
		1432	ALIAS:
		1433	stat_ns = 1
		1434	CODE:
		1435	RETVAL = e_new (sizeof (ev_stat), cb, ST (0));
		1436	RETVAL->fh = newSVsv (path);
		1437	ev_stat_set (RETVAL, SvPVbyte_nolen (RETVAL->fh), interval);
		1438	if (!ix) START (stat, RETVAL);
		1439	OUTPUT:
		1440	RETVAL
		1441
		1442	ev_embed *embed (struct ev_loop *loop, struct ev_loop *other, SV *cb = 0)
		1443	ALIAS:
		1444	embed_ns = 1
		1445	CODE:
		1446	{
		1447	if (!(ev_backend (other) & ev_embeddable_backends ()))
		1448	croak ("passed loop is not embeddable via EV::embed,");
		1449
		1450	RETVAL = e_new (sizeof (ev_embed), cb, ST (0));
		1451	RETVAL->fh = newSVsv (ST (1));
		1452	ev_embed_set (RETVAL, other);
		1453	if (!ix) START (embed, RETVAL);
		1454	}
		1455	OUTPUT:
		1456	RETVAL
		1457
		1458	ev_async *async (struct ev_loop *loop, SV *cb)
		1459	ALIAS:
		1460	async_ns = 1
		1461	CODE:
		1462	RETVAL = e_new (sizeof (ev_async), cb, ST (0));
		1463	ev_async_set (RETVAL);
		1464	if (!ix) START (async, RETVAL);
		1465	OUTPUT:
		1466	RETVAL
		1467
		1468	void once (struct ev_loop *loop, SV *fh, int events, SV *timeout, SV *cb)
		1469	CODE:
		1470	ev_once (
		1471	loop,
		1472	s_fileno (fh, events & EV_WRITE), events,
		1473	SvOK (timeout) ? SvNV (timeout) : -1.,
		1474	e_once_cb,
		1475	newSVsv (cb)
		1476	);
		1477

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