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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 1.129 by root, Tue Jul 14 20:34:58 2009 UTC

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

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