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Comparing EV/EV.xs (file contents):
Revision 1.10 by root, Mon Oct 29 07:56:03 2007 UTC vs.
Revision 1.135 by root, Thu Dec 31 06:59:47 2009 UTC

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

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