[ViewVC] Diff of: cvs/libev/ev.c

Comparing libev/ev.c (file contents):
Revision 1.54 by root, Sun Nov 4 00:24:16 2007 UTC vs.
Revision 1.116 by root, Thu Nov 15 09:19:42 2007 UTC

…		…
26	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY	26	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT	27	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE	28	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29	* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.	29	* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30	*/	30	*/
		31
		32	#ifdef __cplusplus
		33	extern "C" {
		34	#endif
		35
31	#ifndef EV_STANDALONE	36	#ifndef EV_STANDALONE
32	# include "config.h"	37	# include "config.h"
		38
		39	# if HAVE_CLOCK_GETTIME
		40	# ifndef EV_USE_MONOTONIC
		41	# define EV_USE_MONOTONIC 1
		42	# endif
		43	# ifndef EV_USE_REALTIME
		44	# define EV_USE_REALTIME 1
		45	# endif
		46	# endif
		47
		48	# if HAVE_SELECT && HAVE_SYS_SELECT_H && !defined (EV_USE_SELECT)
		49	# define EV_USE_SELECT 1
		50	# endif
		51
		52	# if HAVE_POLL && HAVE_POLL_H && !defined (EV_USE_POLL)
		53	# define EV_USE_POLL 1
		54	# endif
		55
		56	# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H && !defined (EV_USE_EPOLL)
		57	# define EV_USE_EPOLL 1
		58	# endif
		59
		60	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H && !defined (EV_USE_KQUEUE)
		61	# define EV_USE_KQUEUE 1
		62	# endif
		63
33	#endif	64	#endif
34		65
35	#include <math.h>	66	#include <math.h>
36	#include <stdlib.h>	67	#include <stdlib.h>
37	#include <unistd.h>
38	#include <fcntl.h>	68	#include <fcntl.h>
39	#include <signal.h>
40	#include <stddef.h>	69	#include <stddef.h>
41		70
42	#include <stdio.h>	71	#include <stdio.h>
43		72
44	#include <assert.h>	73	#include <assert.h>
45	#include <errno.h>	74	#include <errno.h>
46	#include <sys/types.h>	75	#include <sys/types.h>
		76	#include <time.h>
		77
		78	#include <signal.h>
		79
47	#ifndef WIN32	80	#ifndef _WIN32
		81	# include <unistd.h>
		82	# include <sys/time.h>
48	# include <sys/wait.h>	83	# include <sys/wait.h>
		84	#else
		85	# define WIN32_LEAN_AND_MEAN
		86	# include <windows.h>
		87	# ifndef EV_SELECT_IS_WINSOCKET
		88	# define EV_SELECT_IS_WINSOCKET 1
49	#endif	89	# endif
50	#include <sys/time.h>	90	#endif
51	#include <time.h>
52		91
53	/**/	92	/**/
54		93
55	#ifndef EV_USE_MONOTONIC	94	#ifndef EV_USE_MONOTONIC
56	# define EV_USE_MONOTONIC 1	95	# define EV_USE_MONOTONIC 1
57	#endif	96	#endif
58		97
59	#ifndef EV_USE_SELECT	98	#ifndef EV_USE_SELECT
60	# define EV_USE_SELECT 1	99	# define EV_USE_SELECT 1
		100	# define EV_SELECT_USE_FD_SET 1
61	#endif	101	#endif
62		102
63	#ifndef EV_USEV_POLL	103	#ifndef EV_USE_POLL
64	# define EV_USEV_POLL 0 /* poll is usually slower than select, and not as well tested */	104	# ifdef _WIN32
		105	# define EV_USE_POLL 0
		106	# else
		107	# define EV_USE_POLL 1
		108	# endif
65	#endif	109	#endif
66		110
67	#ifndef EV_USE_EPOLL	111	#ifndef EV_USE_EPOLL
68	# define EV_USE_EPOLL 0	112	# define EV_USE_EPOLL 0
69	#endif	113	#endif
…		…
75	#ifndef EV_USE_REALTIME	119	#ifndef EV_USE_REALTIME
76	# define EV_USE_REALTIME 1	120	# define EV_USE_REALTIME 1
77	#endif	121	#endif
78		122
79	/**/	123	/**/
		124
		125	/* darwin simply cannot be helped */
		126	#ifdef __APPLE__
		127	# undef EV_USE_POLL
		128	# undef EV_USE_KQUEUE
		129	#endif
80		130
81	#ifndef CLOCK_MONOTONIC	131	#ifndef CLOCK_MONOTONIC
82	# undef EV_USE_MONOTONIC	132	# undef EV_USE_MONOTONIC
83	# define EV_USE_MONOTONIC 0	133	# define EV_USE_MONOTONIC 0
84	#endif	134	#endif
85		135
86	#ifndef CLOCK_REALTIME	136	#ifndef CLOCK_REALTIME
87	# undef EV_USE_REALTIME	137	# undef EV_USE_REALTIME
88	# define EV_USE_REALTIME 0	138	# define EV_USE_REALTIME 0
		139	#endif
		140
		141	#if EV_SELECT_IS_WINSOCKET
		142	# include <winsock.h>
89	#endif	143	#endif
90		144
91	/**/	145	/**/
92		146
93	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */	147	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */
94	#define MAX_BLOCKTIME 59.731 /* never wait longer than this time (to detect time jumps) */	148	#define MAX_BLOCKTIME 59.731 /* never wait longer than this time (to detect time jumps) */
95	#define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */	149	#define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */
96	/#define CLEANUP_INTERVAL 300. / how often to try to free memory and re-check fds */	150	/#define CLEANUP_INTERVAL 300. / how often to try to free memory and re-check fds */
97		151
		152	#ifdef EV_H
		153	# include EV_H
		154	#else
98	#include "ev.h"	155	# include "ev.h"
		156	#endif
99		157
100	#if __GNUC__ >= 3	158	#if __GNUC__ >= 3
101	# define expect(expr,value) __builtin_expect ((expr),(value))	159	# define expect(expr,value) __builtin_expect ((expr),(value))
102	# define inline inline	160	# define inline inline
103	#else	161	#else
…		…
109	#define expect_true(expr) expect ((expr) != 0, 1)	167	#define expect_true(expr) expect ((expr) != 0, 1)
110		168
111	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	169	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
112	#define ABSPRI(w) ((w)->priority - EV_MINPRI)	170	#define ABSPRI(w) ((w)->priority - EV_MINPRI)
113		171
		172	#define EMPTY0 /* required for microsofts broken pseudo-c compiler */
		173	#define EMPTY2(a,b) /* used to suppress some warnings */
		174
114	typedef struct ev_watcher *W;	175	typedef struct ev_watcher *W;
115	typedef struct ev_watcher_list *WL;	176	typedef struct ev_watcher_list *WL;
116	typedef struct ev_watcher_time *WT;	177	typedef struct ev_watcher_time *WT;
117		178
118	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */	179	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
119		180
		181	#ifdef _WIN32
		182	# include "ev_win32.c"
		183	#endif
		184
120	/*****************************************************************************/	185	/*****************************************************************************/
121		186
		187	static void (syserr_cb)(const char msg);
		188
		189	void ev_set_syserr_cb (void (cb)(const char msg))
		190	{
		191	syserr_cb = cb;
		192	}
		193
		194	static void
		195	syserr (const char *msg)
		196	{
		197	if (!msg)
		198	msg = "(libev) system error";
		199
		200	if (syserr_cb)
		201	syserr_cb (msg);
		202	else
		203	{
		204	perror (msg);
		205	abort ();
		206	}
		207	}
		208
		209	static void (alloc)(void *ptr, long size);
		210
		211	void ev_set_allocator (void (cb)(void *ptr, long size))
		212	{
		213	alloc = cb;
		214	}
		215
		216	static void *
		217	ev_realloc (void *ptr, long size)
		218	{
		219	ptr = alloc ? alloc (ptr, size) : realloc (ptr, size);
		220
		221	if (!ptr && size)
		222	{
		223	fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);
		224	abort ();
		225	}
		226
		227	return ptr;
		228	}
		229
		230	#define ev_malloc(size) ev_realloc (0, (size))
		231	#define ev_free(ptr) ev_realloc ((ptr), 0)
		232
		233	/*****************************************************************************/
		234
122	typedef struct	235	typedef struct
123	{	236	{
124	struct ev_watcher_list *head;	237	WL head;
125	unsigned char events;	238	unsigned char events;
126	unsigned char reify;	239	unsigned char reify;
		240	#if EV_SELECT_IS_WINSOCKET
		241	SOCKET handle;
		242	#endif
127	} ANFD;	243	} ANFD;
128		244
129	typedef struct	245	typedef struct
130	{	246	{
131	W w;	247	W w;
132	int events;	248	int events;
133	} ANPENDING;	249	} ANPENDING;
134		250
135	#ifdef EV_MULTIPLICITY	251	#if EV_MULTIPLICITY
136		252
137	struct ev_loop	253	struct ev_loop
138	{	254	{
		255	ev_tstamp ev_rt_now;
		256	#define ev_rt_now ((loop)->ev_rt_now)
139	# define VAR(name,decl) decl;	257	#define VAR(name,decl) decl;
140	# include "ev_vars.h"	258	#include "ev_vars.h"
141	};
142	# undef VAR	259	#undef VAR
		260	};
143	# include "ev_wrap.h"	261	#include "ev_wrap.h"
		262
		263	static struct ev_loop default_loop_struct;
		264	struct ev_loop *ev_default_loop_ptr;
144		265
145	#else	266	#else
146		267
		268	ev_tstamp ev_rt_now;
147	# define VAR(name,decl) static decl;	269	#define VAR(name,decl) static decl;
148	# include "ev_vars.h"	270	#include "ev_vars.h"
149	# undef VAR	271	#undef VAR
		272
		273	static int ev_default_loop_ptr;
150		274
151	#endif	275	#endif
152		276
153	/*****************************************************************************/	277	/*****************************************************************************/
154		278
155	inline ev_tstamp	279	ev_tstamp
156	ev_time (void)	280	ev_time (void)
157	{	281	{
158	#if EV_USE_REALTIME	282	#if EV_USE_REALTIME
159	struct timespec ts;	283	struct timespec ts;
160	clock_gettime (CLOCK_REALTIME, &ts);	284	clock_gettime (CLOCK_REALTIME, &ts);
…		…
179	#endif	303	#endif
180		304
181	return ev_time ();	305	return ev_time ();
182	}	306	}
183		307
		308	#if EV_MULTIPLICITY
184	ev_tstamp	309	ev_tstamp
185	ev_now (EV_P)	310	ev_now (EV_P)
186	{	311	{
187	return rt_now;	312	return ev_rt_now;
188	}	313	}
		314	#endif
189		315
190	#define array_roundsize(base,n) ((n) \| 4 & ~3)	316	#define array_roundsize(type,n) (((n) \| 4) & ~3)
191		317
192	#define array_needsize(base,cur,cnt,init) \	318	#define array_needsize(type,base,cur,cnt,init) \
193	if (expect_false ((cnt) > cur)) \	319	if (expect_false ((cnt) > cur)) \
194	{ \	320	{ \
195	int newcnt = cur; \	321	int newcnt = cur; \
196	do \	322	do \
197	{ \	323	{ \
198	newcnt = array_roundsize (base, newcnt << 1); \	324	newcnt = array_roundsize (type, newcnt << 1); \
199	} \	325	} \
200	while ((cnt) > newcnt); \	326	while ((cnt) > newcnt); \
201	\	327	\
202	base = realloc (base, sizeof (base) (newcnt)); \	328	base = (type )ev_realloc (base, sizeof (type) (newcnt));\
203	init (base + cur, newcnt - cur); \	329	init (base + cur, newcnt - cur); \
204	cur = newcnt; \	330	cur = newcnt; \
205	}	331	}
		332
		333	#define array_slim(type,stem) \
		334	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \
		335	{ \
		336	stem ## max = array_roundsize (stem ## cnt >> 1); \
		337	base = (type )ev_realloc (base, sizeof (type) (stem ## max));\
		338	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/D/\
		339	}
		340
		341	#define array_free(stem, idx) \
		342	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;
206		343
207	/*****************************************************************************/	344	/*****************************************************************************/
208		345
209	static void	346	static void
210	anfds_init (ANFD *base, int count)	347	anfds_init (ANFD *base, int count)
…		…
217		354
218	++base;	355	++base;
219	}	356	}
220	}	357	}
221		358
222	static void	359	void
223	event (EV_P_ W w, int events)	360	ev_feed_event (EV_P_ void *w, int revents)
224	{	361	{
		362	W w_ = (W)w;
		363
225	if (w->pending)	364	if (w_->pending)
226	{	365	{
227	pendings [ABSPRI (w)][w->pending - 1].events \|= events;	366	pendings [ABSPRI (w_)][w_->pending - 1].events \|= revents;
228	return;	367	return;
229	}	368	}
230		369
231	w->pending = ++pendingcnt [ABSPRI (w)];	370	w_->pending = ++pendingcnt [ABSPRI (w_)];
232	array_needsize (pendings [ABSPRI (w)], pendingmax [ABSPRI (w)], pendingcnt [ABSPRI (w)], );	371	array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2);
233	pendings [ABSPRI (w)][w->pending - 1].w = w;	372	pendings [ABSPRI (w_)][w_->pending - 1].w = w_;
234	pendings [ABSPRI (w)][w->pending - 1].events = events;	373	pendings [ABSPRI (w_)][w_->pending - 1].events = revents;
235	}	374	}
236		375
237	static void	376	static void
238	queue_events (EV_P_ W *events, int eventcnt, int type)	377	queue_events (EV_P_ W *events, int eventcnt, int type)
239	{	378	{
240	int i;	379	int i;
241		380
242	for (i = 0; i < eventcnt; ++i)	381	for (i = 0; i < eventcnt; ++i)
243	event (EV_A_ events [i], type);	382	ev_feed_event (EV_A_ events [i], type);
244	}	383	}
245		384
246	static void	385	inline void
247	fd_event (EV_P_ int fd, int events)	386	fd_event (EV_P_ int fd, int revents)
248	{	387	{
249	ANFD *anfd = anfds + fd;	388	ANFD *anfd = anfds + fd;
250	struct ev_io *w;	389	struct ev_io *w;
251		390
252	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)	391	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)
253	{	392	{
254	int ev = w->events & events;	393	int ev = w->events & revents;
255		394
256	if (ev)	395	if (ev)
257	event (EV_A_ (W)w, ev);	396	ev_feed_event (EV_A_ (W)w, ev);
258	}	397	}
		398	}
		399
		400	void
		401	ev_feed_fd_event (EV_P_ int fd, int revents)
		402	{
		403	fd_event (EV_A_ fd, revents);
259	}	404	}
260		405
261	/*****************************************************************************/	406	/*****************************************************************************/
262		407
263	static void	408	static void
…		…
274	int events = 0;	419	int events = 0;
275		420
276	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)	421	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)
277	events \|= w->events;	422	events \|= w->events;
278		423
		424	#if EV_SELECT_IS_WINSOCKET
		425	if (events)
		426	{
		427	unsigned long argp;
		428	anfd->handle = _get_osfhandle (fd);
		429	assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0));
		430	}
		431	#endif
		432
279	anfd->reify = 0;	433	anfd->reify = 0;
280		434
281	if (anfd->events != events)
282	{
283	method_modify (EV_A_ fd, anfd->events, events);	435	method_modify (EV_A_ fd, anfd->events, events);
284	anfd->events = events;	436	anfd->events = events;
285	}
286	}	437	}
287		438
288	fdchangecnt = 0;	439	fdchangecnt = 0;
289	}	440	}
290		441
291	static void	442	static void
292	fd_change (EV_P_ int fd)	443	fd_change (EV_P_ int fd)
293	{	444	{
294	if (anfds [fd].reify \|\| fdchangecnt < 0)	445	if (anfds [fd].reify)
295	return;	446	return;
296		447
297	anfds [fd].reify = 1;	448	anfds [fd].reify = 1;
298		449
299	++fdchangecnt;	450	++fdchangecnt;
300	array_needsize (fdchanges, fdchangemax, fdchangecnt, );	451	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);
301	fdchanges [fdchangecnt - 1] = fd;	452	fdchanges [fdchangecnt - 1] = fd;
302	}	453	}
303		454
304	static void	455	static void
305	fd_kill (EV_P_ int fd)	456	fd_kill (EV_P_ int fd)
…		…
307	struct ev_io *w;	458	struct ev_io *w;
308		459
309	while ((w = (struct ev_io *)anfds [fd].head))	460	while ((w = (struct ev_io *)anfds [fd].head))
310	{	461	{
311	ev_io_stop (EV_A_ w);	462	ev_io_stop (EV_A_ w);
312	event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);	463	ev_feed_event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);
313	}	464	}
		465	}
		466
		467	static int
		468	fd_valid (int fd)
		469	{
		470	#ifdef _WIN32
		471	return _get_osfhandle (fd) != -1;
		472	#else
		473	return fcntl (fd, F_GETFD) != -1;
		474	#endif
314	}	475	}
315		476
316	/* called on EBADF to verify fds */	477	/* called on EBADF to verify fds */
317	static void	478	static void
318	fd_ebadf (EV_P)	479	fd_ebadf (EV_P)
319	{	480	{
320	int fd;	481	int fd;
321		482
322	for (fd = 0; fd < anfdmax; ++fd)	483	for (fd = 0; fd < anfdmax; ++fd)
323	if (anfds [fd].events)	484	if (anfds [fd].events)
324	if (fcntl (fd, F_GETFD) == -1 && errno == EBADF)	485	if (!fd_valid (fd) == -1 && errno == EBADF)
325	fd_kill (EV_A_ fd);	486	fd_kill (EV_A_ fd);
326	}	487	}
327		488
328	/* called on ENOMEM in select/poll to kill some fds and retry */	489	/* called on ENOMEM in select/poll to kill some fds and retry */
329	static void	490	static void
330	fd_enomem (EV_P)	491	fd_enomem (EV_P)
331	{	492	{
332	int fd = anfdmax;	493	int fd;
333		494
334	while (fd--)	495	for (fd = anfdmax; fd--; )
335	if (anfds [fd].events)	496	if (anfds [fd].events)
336	{	497	{
337	close (fd);
338	fd_kill (EV_A_ fd);	498	fd_kill (EV_A_ fd);
339	return;	499	return;
340	}	500	}
341	}	501	}
342		502
		503	/* usually called after fork if method needs to re-arm all fds from scratch */
		504	static void
		505	fd_rearm_all (EV_P)
		506	{
		507	int fd;
		508
		509	/* this should be highly optimised to not do anything but set a flag */
		510	for (fd = 0; fd < anfdmax; ++fd)
		511	if (anfds [fd].events)
		512	{
		513	anfds [fd].events = 0;
		514	fd_change (EV_A_ fd);
		515	}
		516	}
		517
343	/*****************************************************************************/	518	/*****************************************************************************/
344		519
345	static void	520	static void
346	upheap (WT *heap, int k)	521	upheap (WT *heap, int k)
347	{	522	{
348	WT w = heap [k];	523	WT w = heap [k];
349		524
350	while (k && heap [k >> 1]->at > w->at)	525	while (k && heap [k >> 1]->at > w->at)
351	{	526	{
352	heap [k] = heap [k >> 1];	527	heap [k] = heap [k >> 1];
353	heap [k]->active = k + 1;	528	((W)heap [k])->active = k + 1;
354	k >>= 1;	529	k >>= 1;
355	}	530	}
356		531
357	heap [k] = w;	532	heap [k] = w;
358	heap [k]->active = k + 1;	533	((W)heap [k])->active = k + 1;
359		534
360	}	535	}
361		536
362	static void	537	static void
363	downheap (WT *heap, int N, int k)	538	downheap (WT *heap, int N, int k)
…		…
373		548
374	if (w->at <= heap [j]->at)	549	if (w->at <= heap [j]->at)
375	break;	550	break;
376		551
377	heap [k] = heap [j];	552	heap [k] = heap [j];
378	heap [k]->active = k + 1;	553	((W)heap [k])->active = k + 1;
379	k = j;	554	k = j;
380	}	555	}
381		556
382	heap [k] = w;	557	heap [k] = w;
383	heap [k]->active = k + 1;	558	((W)heap [k])->active = k + 1;
		559	}
		560
		561	inline void
		562	adjustheap (WT *heap, int N, int k)
		563	{
		564	upheap (heap, k);
		565	downheap (heap, N, k);
384	}	566	}
385		567
386	/*****************************************************************************/	568	/*****************************************************************************/
387		569
388	typedef struct	570	typedef struct
389	{	571	{
390	struct ev_watcher_list *head;	572	WL head;
391	sig_atomic_t volatile gotsig;	573	sig_atomic_t volatile gotsig;
392	} ANSIG;	574	} ANSIG;
393		575
394	static ANSIG *signals;	576	static ANSIG *signals;
395	static int signalmax;	577	static int signalmax;
396		578
397	static int sigpipe [2];	579	static int sigpipe [2];
398	static sig_atomic_t volatile gotsig;	580	static sig_atomic_t volatile gotsig;
		581	static struct ev_io sigev;
399		582
400	static void	583	static void
401	signals_init (ANSIG *base, int count)	584	signals_init (ANSIG *base, int count)
402	{	585	{
403	while (count--)	586	while (count--)
…		…
410	}	593	}
411		594
412	static void	595	static void
413	sighandler (int signum)	596	sighandler (int signum)
414	{	597	{
		598	#if _WIN32
		599	signal (signum, sighandler);
		600	#endif
		601
415	signals [signum - 1].gotsig = 1;	602	signals [signum - 1].gotsig = 1;
416		603
417	if (!gotsig)	604	if (!gotsig)
418	{	605	{
419	int old_errno = errno;	606	int old_errno = errno;
…		…
421	write (sigpipe [1], &signum, 1);	608	write (sigpipe [1], &signum, 1);
422	errno = old_errno;	609	errno = old_errno;
423	}	610	}
424	}	611	}
425		612
		613	void
		614	ev_feed_signal_event (EV_P_ int signum)
		615	{
		616	WL w;
		617
		618	#if EV_MULTIPLICITY
		619	assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr));
		620	#endif
		621
		622	--signum;
		623
		624	if (signum < 0 \|\| signum >= signalmax)
		625	return;
		626
		627	signals [signum].gotsig = 0;
		628
		629	for (w = signals [signum].head; w; w = w->next)
		630	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
		631	}
		632
426	static void	633	static void
427	sigcb (EV_P_ struct ev_io *iow, int revents)	634	sigcb (EV_P_ struct ev_io *iow, int revents)
428	{	635	{
429	struct ev_watcher_list *w;
430	int signum;	636	int signum;
431		637
432	read (sigpipe [0], &revents, 1);	638	read (sigpipe [0], &revents, 1);
433	gotsig = 0;	639	gotsig = 0;
434		640
435	for (signum = signalmax; signum--; )	641	for (signum = signalmax; signum--; )
436	if (signals [signum].gotsig)	642	if (signals [signum].gotsig)
437	{	643	ev_feed_signal_event (EV_A_ signum + 1);
438	signals [signum].gotsig = 0;	644	}
439		645
440	for (w = signals [signum].head; w; w = w->next)	646	inline void
441	event (EV_A_ (W)w, EV_SIGNAL);	647	fd_intern (int fd)
442	}	648	{
		649	#ifdef _WIN32
		650	int arg = 1;
		651	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
		652	#else
		653	fcntl (fd, F_SETFD, FD_CLOEXEC);
		654	fcntl (fd, F_SETFL, O_NONBLOCK);
		655	#endif
443	}	656	}
444		657
445	static void	658	static void
446	siginit (EV_P)	659	siginit (EV_P)
447	{	660	{
448	#ifndef WIN32	661	fd_intern (sigpipe [0]);
449	fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC);	662	fd_intern (sigpipe [1]);
450	fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC);
451
452	/* rather than sort out wether we really need nb, set it */
453	fcntl (sigpipe [0], F_SETFL, O_NONBLOCK);
454	fcntl (sigpipe [1], F_SETFL, O_NONBLOCK);
455	#endif
456		663
457	ev_io_set (&sigev, sigpipe [0], EV_READ);	664	ev_io_set (&sigev, sigpipe [0], EV_READ);
458	ev_io_start (EV_A_ &sigev);	665	ev_io_start (EV_A_ &sigev);
459	ev_unref (EV_A); /* child watcher should not keep loop alive */	666	ev_unref (EV_A); /* child watcher should not keep loop alive */
460	}	667	}
461		668
462	/*****************************************************************************/	669	/*****************************************************************************/
463		670
		671	static struct ev_child *childs [PID_HASHSIZE];
		672
464	#ifndef WIN32	673	#ifndef _WIN32
		674
		675	static struct ev_signal childev;
465		676
466	#ifndef WCONTINUED	677	#ifndef WCONTINUED
467	# define WCONTINUED 0	678	# define WCONTINUED 0
468	#endif	679	#endif
469		680
…		…
473	struct ev_child *w;	684	struct ev_child *w;
474		685
475	for (w = (struct ev_child )childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child )((WL)w)->next)	686	for (w = (struct ev_child )childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child )((WL)w)->next)
476	if (w->pid == pid \|\| !w->pid)	687	if (w->pid == pid \|\| !w->pid)
477	{	688	{
478	w->priority = sw->priority; /* need to do it now */	689	ev_priority (w) = ev_priority (sw); /* need to do it now */
479	w->rpid = pid;	690	w->rpid = pid;
480	w->rstatus = status;	691	w->rstatus = status;
481	event (EV_A_ (W)w, EV_CHILD);	692	ev_feed_event (EV_A_ (W)w, EV_CHILD);
482	}	693	}
483	}	694	}
484		695
485	static void	696	static void
486	childcb (EV_P_ struct ev_signal *sw, int revents)	697	childcb (EV_P_ struct ev_signal *sw, int revents)
…		…
488	int pid, status;	699	int pid, status;
489		700
490	if (0 < (pid = waitpid (-1, &status, WNOHANG \| WUNTRACED \| WCONTINUED)))	701	if (0 < (pid = waitpid (-1, &status, WNOHANG \| WUNTRACED \| WCONTINUED)))
491	{	702	{
492	/* make sure we are called again until all childs have been reaped */	703	/* make sure we are called again until all childs have been reaped */
493	event (EV_A_ (W)sw, EV_SIGNAL);	704	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
494		705
495	child_reap (EV_A_ sw, pid, pid, status);	706	child_reap (EV_A_ sw, pid, pid, status);
496	child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */	707	child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */
497	}	708	}
498	}	709	}
…		…
505	# include "ev_kqueue.c"	716	# include "ev_kqueue.c"
506	#endif	717	#endif
507	#if EV_USE_EPOLL	718	#if EV_USE_EPOLL
508	# include "ev_epoll.c"	719	# include "ev_epoll.c"
509	#endif	720	#endif
510	#if EV_USEV_POLL	721	#if EV_USE_POLL
511	# include "ev_poll.c"	722	# include "ev_poll.c"
512	#endif	723	#endif
513	#if EV_USE_SELECT	724	#if EV_USE_SELECT
514	# include "ev_select.c"	725	# include "ev_select.c"
515	#endif	726	#endif
…		…
528		739
529	/* return true if we are running with elevated privileges and should ignore env variables */	740	/* return true if we are running with elevated privileges and should ignore env variables */
530	static int	741	static int
531	enable_secure (void)	742	enable_secure (void)
532	{	743	{
533	#ifdef WIN32	744	#ifdef _WIN32
534	return 0;	745	return 0;
535	#else	746	#else
536	return getuid () != geteuid ()	747	return getuid () != geteuid ()
537	\|\| getgid () != getegid ();	748	\|\| getgid () != getegid ();
538	#endif	749	#endif
539	}	750	}
540		751
541	int	752	unsigned int
542	ev_method (EV_P)	753	ev_method (EV_P)
543	{	754	{
544	return method;	755	return method;
545	}	756	}
546		757
547	static void	758	static void
548	loop_init (EV_P_ int methods)	759	loop_init (EV_P_ unsigned int flags)
549	{	760	{
550	if (!method)	761	if (!method)
551	{	762	{
552	#if EV_USE_MONOTONIC	763	#if EV_USE_MONOTONIC
553	{	764	{
…		…
555	if (!clock_gettime (CLOCK_MONOTONIC, &ts))	766	if (!clock_gettime (CLOCK_MONOTONIC, &ts))
556	have_monotonic = 1;	767	have_monotonic = 1;
557	}	768	}
558	#endif	769	#endif
559		770
560	rt_now = ev_time ();	771	ev_rt_now = ev_time ();
561	mn_now = get_clock ();	772	mn_now = get_clock ();
562	now_floor = mn_now;	773	now_floor = mn_now;
563	rtmn_diff = rt_now - mn_now;	774	rtmn_diff = ev_rt_now - mn_now;
564		775
565	if (pipe (sigpipe))	776	if (!(flags & EVFLAG_NOENV) && !enable_secure () && getenv ("LIBEV_FLAGS"))
566	return 0;	777	flags = atoi (getenv ("LIBEV_FLAGS"));
567		778
568	if (methods == EVMETHOD_AUTO)	779	if (!(flags & 0x0000ffff))
569	if (!enable_secure () && getenv ("LIBmethodS"))	780	flags \|= 0x0000ffff;
570	methods = atoi (getenv ("LIBmethodS"));
571	else
572	methods = EVMETHOD_ANY;
573		781
574	method = 0;	782	method = 0;
575	#if EV_USE_KQUEUE	783	#if EV_USE_KQUEUE
576	if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods);	784	if (!method && (flags & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ flags);
577	#endif	785	#endif
578	#if EV_USE_EPOLL	786	#if EV_USE_EPOLL
579	if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods);	787	if (!method && (flags & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ flags);
580	#endif	788	#endif
581	#if EV_USEV_POLL	789	#if EV_USE_POLL
582	if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods);	790	if (!method && (flags & EVMETHOD_POLL )) method = poll_init (EV_A_ flags);
583	#endif	791	#endif
584	#if EV_USE_SELECT	792	#if EV_USE_SELECT
585	if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods);	793	if (!method && (flags & EVMETHOD_SELECT)) method = select_init (EV_A_ flags);
586	#endif	794	#endif
587		795
		796	ev_init (&sigev, sigcb);
		797	ev_set_priority (&sigev, EV_MAXPRI);
		798	}
		799	}
		800
		801	void
		802	loop_destroy (EV_P)
		803	{
		804	int i;
		805
		806	#if EV_USE_KQUEUE
		807	if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);
		808	#endif
		809	#if EV_USE_EPOLL
		810	if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A);
		811	#endif
		812	#if EV_USE_POLL
		813	if (method == EVMETHOD_POLL ) poll_destroy (EV_A);
		814	#endif
		815	#if EV_USE_SELECT
		816	if (method == EVMETHOD_SELECT) select_destroy (EV_A);
		817	#endif
		818
		819	for (i = NUMPRI; i--; )
		820	array_free (pending, [i]);
		821
		822	/* have to use the microsoft-never-gets-it-right macro */
		823	array_free (fdchange, EMPTY0);
		824	array_free (timer, EMPTY0);
		825	#if EV_PERIODICS
		826	array_free (periodic, EMPTY0);
		827	#endif
		828	array_free (idle, EMPTY0);
		829	array_free (prepare, EMPTY0);
		830	array_free (check, EMPTY0);
		831
		832	method = 0;
		833	}
		834
		835	static void
		836	loop_fork (EV_P)
		837	{
		838	#if EV_USE_EPOLL
		839	if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A);
		840	#endif
		841	#if EV_USE_KQUEUE
		842	if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A);
		843	#endif
		844
		845	if (ev_is_active (&sigev))
		846	{
		847	/* default loop */
		848
		849	ev_ref (EV_A);
		850	ev_io_stop (EV_A_ &sigev);
		851	close (sigpipe [0]);
		852	close (sigpipe [1]);
		853
		854	while (pipe (sigpipe))
		855	syserr ("(libev) error creating pipe");
		856
		857	siginit (EV_A);
		858	}
		859
		860	postfork = 0;
		861	}
		862
		863	#if EV_MULTIPLICITY
		864	struct ev_loop *
		865	ev_loop_new (unsigned int flags)
		866	{
		867	struct ev_loop loop = (struct ev_loop )ev_malloc (sizeof (struct ev_loop));
		868
		869	memset (loop, 0, sizeof (struct ev_loop));
		870
		871	loop_init (EV_A_ flags);
		872
		873	if (ev_method (EV_A))
		874	return loop;
		875
		876	return 0;
		877	}
		878
		879	void
		880	ev_loop_destroy (EV_P)
		881	{
		882	loop_destroy (EV_A);
		883	ev_free (loop);
		884	}
		885
		886	void
		887	ev_loop_fork (EV_P)
		888	{
		889	postfork = 1;
		890	}
		891
		892	#endif
		893
		894	#if EV_MULTIPLICITY
		895	struct ev_loop *
		896	ev_default_loop_ (unsigned int flags)
		897	#else
		898	int
		899	ev_default_loop (unsigned int flags)
		900	#endif
		901	{
		902	if (sigpipe [0] == sigpipe [1])
		903	if (pipe (sigpipe))
		904	return 0;
		905
		906	if (!ev_default_loop_ptr)
		907	{
		908	#if EV_MULTIPLICITY
		909	struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct;
		910	#else
		911	ev_default_default_loop_ptr = 1;
		912	#endif
		913
		914	loop_init (EV_A_ flags);
		915
588	if (method)	916	if (ev_method (EV_A))
589	{	917	{
590	ev_watcher_init (&sigev, sigcb);
591	ev_set_priority (&sigev, EV_MAXPRI);
592	siginit (EV_A);	918	siginit (EV_A);
593		919
594	#ifndef WIN32	920	#ifndef _WIN32
595	ev_signal_init (&childev, childcb, SIGCHLD);	921	ev_signal_init (&childev, childcb, SIGCHLD);
596	ev_set_priority (&childev, EV_MAXPRI);	922	ev_set_priority (&childev, EV_MAXPRI);
597	ev_signal_start (EV_A_ &childev);	923	ev_signal_start (EV_A_ &childev);
598	ev_unref (EV_A); /* child watcher should not keep loop alive */	924	ev_unref (EV_A); /* child watcher should not keep loop alive */
599	#endif	925	#endif
600	}	926	}
		927	else
		928	ev_default_loop_ptr = 0;
601	}	929	}
602		930
603	return method;	931	return ev_default_loop_ptr;
604	}	932	}
605		933
		934	void
		935	ev_default_destroy (void)
		936	{
606	#ifdef EV_MULTIPLICITY	937	#if EV_MULTIPLICITY
607		938	struct ev_loop *loop = ev_default_loop_ptr;
608	struct ev_loop *
609	ev_loop_new (int methods)
610	{
611	struct ev_loop loop = (struct ev_loop )calloc (1, sizeof (struct ev_loop));
612
613	loop_init (EV_A_ methods);
614
615	return loop;
616	}
617
618	void
619	ev_loop_delete (EV_P)
620	{
621	/TODO/
622	free (loop);
623	}
624
625	#else
626
627	int
628	ev_init (int methods)
629	{
630	loop_init ();
631	}
632
633	#endif	939	#endif
		940
		941	#ifndef _WIN32
		942	ev_ref (EV_A); /* child watcher */
		943	ev_signal_stop (EV_A_ &childev);
		944	#endif
		945
		946	ev_ref (EV_A); /* signal watcher */
		947	ev_io_stop (EV_A_ &sigev);
		948
		949	close (sigpipe [0]); sigpipe [0] = 0;
		950	close (sigpipe [1]); sigpipe [1] = 0;
		951
		952	loop_destroy (EV_A);
		953	}
		954
		955	void
		956	ev_default_fork (void)
		957	{
		958	#if EV_MULTIPLICITY
		959	struct ev_loop *loop = ev_default_loop_ptr;
		960	#endif
		961
		962	if (method)
		963	postfork = 1;
		964	}
634		965
635	/*****************************************************************************/	966	/*****************************************************************************/
636		967
637	void	968	static int
638	ev_fork_prepare (void)	969	any_pending (EV_P)
639	{	970	{
640	/* nop */	971	int pri;
641	}
642		972
643	void	973	for (pri = NUMPRI; pri--; )
644	ev_fork_parent (void)	974	if (pendingcnt [pri])
645	{	975	return 1;
646	/* nop */
647	}
648		976
649	void	977	return 0;
650	ev_fork_child (void)
651	{
652	/TODO/
653	#if !EV_MULTIPLICITY
654	#if EV_USE_EPOLL
655	if (method == EVMETHOD_EPOLL)
656	epoll_postfork_child (EV_A);
657	#endif
658
659	ev_io_stop (EV_A_ &sigev);
660	close (sigpipe [0]);
661	close (sigpipe [1]);
662	pipe (sigpipe);
663	siginit (EV_A);
664	#endif
665	}	978	}
666
667	/*****************************************************************************/
668		979
669	static void	980	static void
670	call_pending (EV_P)	981	call_pending (EV_P)
671	{	982	{
672	int pri;	983	int pri;
…		…
677	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	988	ANPENDING *p = pendings [pri] + --pendingcnt [pri];
678		989
679	if (p->w)	990	if (p->w)
680	{	991	{
681	p->w->pending = 0;	992	p->w->pending = 0;
682	p->w->cb (EV_A_ p->w, p->events);	993	EV_CB_INVOKE (p->w, p->events);
683	}	994	}
684	}	995	}
685	}	996	}
686		997
687	static void	998	static void
688	timers_reify (EV_P)	999	timers_reify (EV_P)
689	{	1000	{
690	while (timercnt && timers [0]->at <= mn_now)	1001	while (timercnt && ((WT)timers [0])->at <= mn_now)
691	{	1002	{
692	struct ev_timer *w = timers [0];	1003	struct ev_timer *w = timers [0];
		1004
		1005	assert (("inactive timer on timer heap detected", ev_is_active (w)));
693		1006
694	/* first reschedule or stop timer */	1007	/* first reschedule or stop timer */
695	if (w->repeat)	1008	if (w->repeat)
696	{	1009	{
697	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));	1010	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
		1011
698	w->at = mn_now + w->repeat;	1012	((WT)w)->at += w->repeat;
		1013	if (((WT)w)->at < mn_now)
		1014	((WT)w)->at = mn_now;
		1015
699	downheap ((WT *)timers, timercnt, 0);	1016	downheap ((WT *)timers, timercnt, 0);
700	}	1017	}
701	else	1018	else
702	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */	1019	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
703		1020
704	event (EV_A_ (W)w, EV_TIMEOUT);	1021	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
705	}	1022	}
706	}	1023	}
707		1024
		1025	#if EV_PERIODICS
708	static void	1026	static void
709	periodics_reify (EV_P)	1027	periodics_reify (EV_P)
710	{	1028	{
711	while (periodiccnt && periodics [0]->at <= rt_now)	1029	while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)
712	{	1030	{
713	struct ev_periodic *w = periodics [0];	1031	struct ev_periodic *w = periodics [0];
714		1032
		1033	assert (("inactive timer on periodic heap detected", ev_is_active (w)));
		1034
715	/* first reschedule or stop timer */	1035	/* first reschedule or stop timer */
716	if (w->interval)	1036	if (w->reschedule_cb)
717	{	1037	{
		1038	((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001);
		1039	assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));
		1040	downheap ((WT *)periodics, periodiccnt, 0);
		1041	}
		1042	else if (w->interval)
		1043	{
718	w->at += floor ((rt_now - w->at) / w->interval + 1.) * w->interval;	1044	((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval;
719	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", w->at > rt_now));	1045	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now));
720	downheap ((WT *)periodics, periodiccnt, 0);	1046	downheap ((WT *)periodics, periodiccnt, 0);
721	}	1047	}
722	else	1048	else
723	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */	1049	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
724		1050
725	event (EV_A_ (W)w, EV_PERIODIC);	1051	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
726	}	1052	}
727	}	1053	}
728		1054
729	static void	1055	static void
730	periodics_reschedule (EV_P)	1056	periodics_reschedule (EV_P)
…		…
734	/* adjust periodics after time jump */	1060	/* adjust periodics after time jump */
735	for (i = 0; i < periodiccnt; ++i)	1061	for (i = 0; i < periodiccnt; ++i)
736	{	1062	{
737	struct ev_periodic *w = periodics [i];	1063	struct ev_periodic *w = periodics [i];
738		1064
		1065	if (w->reschedule_cb)
		1066	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
739	if (w->interval)	1067	else if (w->interval)
740	{
741	ev_tstamp diff = ceil ((rt_now - w->at) / w->interval) * w->interval;	1068	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;
742
743	if (fabs (diff) >= 1e-4)
744	{
745	ev_periodic_stop (EV_A_ w);
746	ev_periodic_start (EV_A_ w);
747
748	i = 0; /* restart loop, inefficient, but time jumps should be rare */
749	}
750	}
751	}	1069	}
		1070
		1071	/* now rebuild the heap */
		1072	for (i = periodiccnt >> 1; i--; )
		1073	downheap ((WT *)periodics, periodiccnt, i);
752	}	1074	}
		1075	#endif
753		1076
754	inline int	1077	inline int
755	time_update_monotonic (EV_P)	1078	time_update_monotonic (EV_P)
756	{	1079	{
757	mn_now = get_clock ();	1080	mn_now = get_clock ();
758		1081
759	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))	1082	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
760	{	1083	{
761	rt_now = rtmn_diff + mn_now;	1084	ev_rt_now = rtmn_diff + mn_now;
762	return 0;	1085	return 0;
763	}	1086	}
764	else	1087	else
765	{	1088	{
766	now_floor = mn_now;	1089	now_floor = mn_now;
767	rt_now = ev_time ();	1090	ev_rt_now = ev_time ();
768	return 1;	1091	return 1;
769	}	1092	}
770	}	1093	}
771		1094
772	static void	1095	static void
…		…
781	{	1104	{
782	ev_tstamp odiff = rtmn_diff;	1105	ev_tstamp odiff = rtmn_diff;
783		1106
784	for (i = 4; --i; ) /* loop a few times, before making important decisions */	1107	for (i = 4; --i; ) /* loop a few times, before making important decisions */
785	{	1108	{
786	rtmn_diff = rt_now - mn_now;	1109	rtmn_diff = ev_rt_now - mn_now;
787		1110
788	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)	1111	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)
789	return; /* all is well */	1112	return; /* all is well */
790		1113
791	rt_now = ev_time ();	1114	ev_rt_now = ev_time ();
792	mn_now = get_clock ();	1115	mn_now = get_clock ();
793	now_floor = mn_now;	1116	now_floor = mn_now;
794	}	1117	}
795		1118
		1119	# if EV_PERIODICS
796	periodics_reschedule (EV_A);	1120	periodics_reschedule (EV_A);
		1121	# endif
797	/* no timer adjustment, as the monotonic clock doesn't jump */	1122	/* no timer adjustment, as the monotonic clock doesn't jump */
798	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */	1123	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */
799	}	1124	}
800	}	1125	}
801	else	1126	else
802	#endif	1127	#endif
803	{	1128	{
804	rt_now = ev_time ();	1129	ev_rt_now = ev_time ();
805		1130
806	if (expect_false (mn_now > rt_now \|\| mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))	1131	if (expect_false (mn_now > ev_rt_now \|\| mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))
807	{	1132	{
		1133	#if EV_PERIODICS
808	periodics_reschedule (EV_A);	1134	periodics_reschedule (EV_A);
		1135	#endif
809		1136
810	/* adjust timers. this is easy, as the offset is the same for all */	1137	/* adjust timers. this is easy, as the offset is the same for all */
811	for (i = 0; i < timercnt; ++i)	1138	for (i = 0; i < timercnt; ++i)
812	timers [i]->at += rt_now - mn_now;	1139	((WT)timers [i])->at += ev_rt_now - mn_now;
813	}	1140	}
814		1141
815	mn_now = rt_now;	1142	mn_now = ev_rt_now;
816	}	1143	}
817	}	1144	}
818		1145
819	void	1146	void
820	ev_ref (EV_P)	1147	ev_ref (EV_P)
…		…
834	ev_loop (EV_P_ int flags)	1161	ev_loop (EV_P_ int flags)
835	{	1162	{
836	double block;	1163	double block;
837	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;	1164	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;
838		1165
839	do	1166	while (activecnt)
840	{	1167	{
841	/* queue check watchers (and execute them) */	1168	/* queue check watchers (and execute them) */
842	if (expect_false (preparecnt))	1169	if (expect_false (preparecnt))
843	{	1170	{
844	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	1171	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
845	call_pending (EV_A);	1172	call_pending (EV_A);
846	}	1173	}
847		1174
		1175	/* we might have forked, so reify kernel state if necessary */
		1176	if (expect_false (postfork))
		1177	loop_fork (EV_A);
		1178
848	/* update fd-related kernel structures */	1179	/* update fd-related kernel structures */
849	fd_reify (EV_A);	1180	fd_reify (EV_A);
850		1181
851	/* calculate blocking time */	1182	/* calculate blocking time */
852		1183
853	/* we only need this for !monotonic clockor timers, but as we basically	1184	/* we only need this for !monotonic clock or timers, but as we basically
854	always have timers, we just calculate it always */	1185	always have timers, we just calculate it always */
855	#if EV_USE_MONOTONIC	1186	#if EV_USE_MONOTONIC
856	if (expect_true (have_monotonic))	1187	if (expect_true (have_monotonic))
857	time_update_monotonic (EV_A);	1188	time_update_monotonic (EV_A);
858	else	1189	else
859	#endif	1190	#endif
860	{	1191	{
861	rt_now = ev_time ();	1192	ev_rt_now = ev_time ();
862	mn_now = rt_now;	1193	mn_now = ev_rt_now;
863	}	1194	}
864		1195
865	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)	1196	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)
866	block = 0.;	1197	block = 0.;
867	else	1198	else
868	{	1199	{
869	block = MAX_BLOCKTIME;	1200	block = MAX_BLOCKTIME;
870		1201
871	if (timercnt)	1202	if (timercnt)
872	{	1203	{
873	ev_tstamp to = timers [0]->at - mn_now + method_fudge;	1204	ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge;
874	if (block > to) block = to;	1205	if (block > to) block = to;
875	}	1206	}
876		1207
		1208	#if EV_PERIODICS
877	if (periodiccnt)	1209	if (periodiccnt)
878	{	1210	{
879	ev_tstamp to = periodics [0]->at - rt_now + method_fudge;	1211	ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge;
880	if (block > to) block = to;	1212	if (block > to) block = to;
881	}	1213	}
		1214	#endif
882		1215
883	if (block < 0.) block = 0.;	1216	if (block < 0.) block = 0.;
884	}	1217	}
885		1218
886	method_poll (EV_A_ block);	1219	method_poll (EV_A_ block);
887		1220
888	/* update rt_now, do magic */	1221	/* update ev_rt_now, do magic */
889	time_update (EV_A);	1222	time_update (EV_A);
890		1223
891	/* queue pending timers and reschedule them */	1224	/* queue pending timers and reschedule them */
892	timers_reify (EV_A); /* relative timers called last */	1225	timers_reify (EV_A); /* relative timers called last */
		1226	#if EV_PERIODICS
893	periodics_reify (EV_A); /* absolute timers called first */	1227	periodics_reify (EV_A); /* absolute timers called first */
		1228	#endif
894		1229
895	/* queue idle watchers unless io or timers are pending */	1230	/* queue idle watchers unless io or timers are pending */
896	if (!pendingcnt)	1231	if (idlecnt && !any_pending (EV_A))
897	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);	1232	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);
898		1233
899	/* queue check watchers, to be executed first */	1234	/* queue check watchers, to be executed first */
900	if (checkcnt)	1235	if (checkcnt)
901	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	1236	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
902		1237
903	call_pending (EV_A);	1238	call_pending (EV_A);
		1239
		1240	if (loop_done)
		1241	break;
904	}	1242	}
905	while (activecnt && !loop_done);
906		1243
907	if (loop_done != 2)	1244	if (loop_done != 2)
908	loop_done = 0;	1245	loop_done = 0;
909	}	1246	}
910		1247
…		…
976	return;	1313	return;
977		1314
978	assert (("ev_io_start called with negative fd", fd >= 0));	1315	assert (("ev_io_start called with negative fd", fd >= 0));
979		1316
980	ev_start (EV_A_ (W)w, 1);	1317	ev_start (EV_A_ (W)w, 1);
981	array_needsize (anfds, anfdmax, fd + 1, anfds_init);	1318	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);
982	wlist_add ((WL *)&anfds[fd].head, (WL)w);	1319	wlist_add ((WL *)&anfds[fd].head, (WL)w);
983		1320
984	fd_change (EV_A_ fd);	1321	fd_change (EV_A_ fd);
985	}	1322	}
986		1323
…		…
989	{	1326	{
990	ev_clear_pending (EV_A_ (W)w);	1327	ev_clear_pending (EV_A_ (W)w);
991	if (!ev_is_active (w))	1328	if (!ev_is_active (w))
992	return;	1329	return;
993		1330
		1331	assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
		1332
994	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);	1333	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);
995	ev_stop (EV_A_ (W)w);	1334	ev_stop (EV_A_ (W)w);
996		1335
997	fd_change (EV_A_ w->fd);	1336	fd_change (EV_A_ w->fd);
998	}	1337	}
…		…
1001	ev_timer_start (EV_P_ struct ev_timer *w)	1340	ev_timer_start (EV_P_ struct ev_timer *w)
1002	{	1341	{
1003	if (ev_is_active (w))	1342	if (ev_is_active (w))
1004	return;	1343	return;
1005		1344
1006	w->at += mn_now;	1345	((WT)w)->at += mn_now;
1007		1346
1008	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	1347	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
1009		1348
1010	ev_start (EV_A_ (W)w, ++timercnt);	1349	ev_start (EV_A_ (W)w, ++timercnt);
1011	array_needsize (timers, timermax, timercnt, );	1350	array_needsize (struct ev_timer *, timers, timermax, timercnt, EMPTY2);
1012	timers [timercnt - 1] = w;	1351	timers [timercnt - 1] = w;
1013	upheap ((WT *)timers, timercnt - 1);	1352	upheap ((WT *)timers, timercnt - 1);
		1353
		1354	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1014	}	1355	}
1015		1356
1016	void	1357	void
1017	ev_timer_stop (EV_P_ struct ev_timer *w)	1358	ev_timer_stop (EV_P_ struct ev_timer *w)
1018	{	1359	{
1019	ev_clear_pending (EV_A_ (W)w);	1360	ev_clear_pending (EV_A_ (W)w);
1020	if (!ev_is_active (w))	1361	if (!ev_is_active (w))
1021	return;	1362	return;
1022		1363
		1364	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
		1365
1023	if (w->active < timercnt--)	1366	if (((W)w)->active < timercnt--)
1024	{	1367	{
1025	timers [w->active - 1] = timers [timercnt];	1368	timers [((W)w)->active - 1] = timers [timercnt];
1026	downheap ((WT *)timers, timercnt, w->active - 1);	1369	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1027	}	1370	}
1028		1371
1029	w->at = w->repeat;	1372	((WT)w)->at -= mn_now;
1030		1373
1031	ev_stop (EV_A_ (W)w);	1374	ev_stop (EV_A_ (W)w);
1032	}	1375	}
1033		1376
1034	void	1377	void
…		…
1036	{	1379	{
1037	if (ev_is_active (w))	1380	if (ev_is_active (w))
1038	{	1381	{
1039	if (w->repeat)	1382	if (w->repeat)
1040	{	1383	{
1041	w->at = mn_now + w->repeat;	1384	((WT)w)->at = mn_now + w->repeat;
1042	downheap ((WT *)timers, timercnt, w->active - 1);	1385	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1043	}	1386	}
1044	else	1387	else
1045	ev_timer_stop (EV_A_ w);	1388	ev_timer_stop (EV_A_ w);
1046	}	1389	}
1047	else if (w->repeat)	1390	else if (w->repeat)
		1391	{
		1392	w->at = w->repeat;
1048	ev_timer_start (EV_A_ w);	1393	ev_timer_start (EV_A_ w);
		1394	}
1049	}	1395	}
1050		1396
		1397	#if EV_PERIODICS
1051	void	1398	void
1052	ev_periodic_start (EV_P_ struct ev_periodic *w)	1399	ev_periodic_start (EV_P_ struct ev_periodic *w)
1053	{	1400	{
1054	if (ev_is_active (w))	1401	if (ev_is_active (w))
1055	return;	1402	return;
1056		1403
		1404	if (w->reschedule_cb)
		1405	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
		1406	else if (w->interval)
		1407	{
1057	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));	1408	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));
1058
1059	/* this formula differs from the one in periodic_reify because we do not always round up */	1409	/* this formula differs from the one in periodic_reify because we do not always round up */
1060	if (w->interval)
1061	w->at += ceil ((rt_now - w->at) / w->interval) * w->interval;	1410	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;
		1411	}
1062		1412
1063	ev_start (EV_A_ (W)w, ++periodiccnt);	1413	ev_start (EV_A_ (W)w, ++periodiccnt);
1064	array_needsize (periodics, periodicmax, periodiccnt, );	1414	array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2);
1065	periodics [periodiccnt - 1] = w;	1415	periodics [periodiccnt - 1] = w;
1066	upheap ((WT *)periodics, periodiccnt - 1);	1416	upheap ((WT *)periodics, periodiccnt - 1);
		1417
		1418	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1067	}	1419	}
1068		1420
1069	void	1421	void
1070	ev_periodic_stop (EV_P_ struct ev_periodic *w)	1422	ev_periodic_stop (EV_P_ struct ev_periodic *w)
1071	{	1423	{
1072	ev_clear_pending (EV_A_ (W)w);	1424	ev_clear_pending (EV_A_ (W)w);
1073	if (!ev_is_active (w))	1425	if (!ev_is_active (w))
1074	return;	1426	return;
1075		1427
		1428	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
		1429
1076	if (w->active < periodiccnt--)	1430	if (((W)w)->active < periodiccnt--)
1077	{	1431	{
1078	periodics [w->active - 1] = periodics [periodiccnt];	1432	periodics [((W)w)->active - 1] = periodics [periodiccnt];
1079	downheap ((WT *)periodics, periodiccnt, w->active - 1);	1433	adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);
1080	}	1434	}
1081		1435
		1436	ev_stop (EV_A_ (W)w);
		1437	}
		1438
		1439	void
		1440	ev_periodic_again (EV_P_ struct ev_periodic *w)
		1441	{
		1442	/* TODO: use adjustheap and recalculation */
		1443	ev_periodic_stop (EV_A_ w);
		1444	ev_periodic_start (EV_A_ w);
		1445	}
		1446	#endif
		1447
		1448	void
		1449	ev_idle_start (EV_P_ struct ev_idle *w)
		1450	{
		1451	if (ev_is_active (w))
		1452	return;
		1453
		1454	ev_start (EV_A_ (W)w, ++idlecnt);
		1455	array_needsize (struct ev_idle *, idles, idlemax, idlecnt, EMPTY2);
		1456	idles [idlecnt - 1] = w;
		1457	}
		1458
		1459	void
		1460	ev_idle_stop (EV_P_ struct ev_idle *w)
		1461	{
		1462	ev_clear_pending (EV_A_ (W)w);
		1463	if (!ev_is_active (w))
		1464	return;
		1465
		1466	idles [((W)w)->active - 1] = idles [--idlecnt];
		1467	ev_stop (EV_A_ (W)w);
		1468	}
		1469
		1470	void
		1471	ev_prepare_start (EV_P_ struct ev_prepare *w)
		1472	{
		1473	if (ev_is_active (w))
		1474	return;
		1475
		1476	ev_start (EV_A_ (W)w, ++preparecnt);
		1477	array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);
		1478	prepares [preparecnt - 1] = w;
		1479	}
		1480
		1481	void
		1482	ev_prepare_stop (EV_P_ struct ev_prepare *w)
		1483	{
		1484	ev_clear_pending (EV_A_ (W)w);
		1485	if (!ev_is_active (w))
		1486	return;
		1487
		1488	prepares [((W)w)->active - 1] = prepares [--preparecnt];
		1489	ev_stop (EV_A_ (W)w);
		1490	}
		1491
		1492	void
		1493	ev_check_start (EV_P_ struct ev_check *w)
		1494	{
		1495	if (ev_is_active (w))
		1496	return;
		1497
		1498	ev_start (EV_A_ (W)w, ++checkcnt);
		1499	array_needsize (struct ev_check *, checks, checkmax, checkcnt, EMPTY2);
		1500	checks [checkcnt - 1] = w;
		1501	}
		1502
		1503	void
		1504	ev_check_stop (EV_P_ struct ev_check *w)
		1505	{
		1506	ev_clear_pending (EV_A_ (W)w);
		1507	if (!ev_is_active (w))
		1508	return;
		1509
		1510	checks [((W)w)->active - 1] = checks [--checkcnt];
1082	ev_stop (EV_A_ (W)w);	1511	ev_stop (EV_A_ (W)w);
1083	}	1512	}
1084		1513
1085	#ifndef SA_RESTART	1514	#ifndef SA_RESTART
1086	# define SA_RESTART 0	1515	# define SA_RESTART 0
1087	#endif	1516	#endif
1088		1517
1089	void	1518	void
1090	ev_signal_start (EV_P_ struct ev_signal *w)	1519	ev_signal_start (EV_P_ struct ev_signal *w)
1091	{	1520	{
		1521	#if EV_MULTIPLICITY
		1522	assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));
		1523	#endif
1092	if (ev_is_active (w))	1524	if (ev_is_active (w))
1093	return;	1525	return;
1094		1526
1095	assert (("ev_signal_start called with illegal signal number", w->signum > 0));	1527	assert (("ev_signal_start called with illegal signal number", w->signum > 0));
1096		1528
1097	ev_start (EV_A_ (W)w, 1);	1529	ev_start (EV_A_ (W)w, 1);
1098	array_needsize (signals, signalmax, w->signum, signals_init);	1530	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
1099	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);	1531	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
1100		1532
1101	if (!w->next)	1533	if (!((WL)w)->next)
1102	{	1534	{
		1535	#if _WIN32
		1536	signal (w->signum, sighandler);
		1537	#else
1103	struct sigaction sa;	1538	struct sigaction sa;
1104	sa.sa_handler = sighandler;	1539	sa.sa_handler = sighandler;
1105	sigfillset (&sa.sa_mask);	1540	sigfillset (&sa.sa_mask);
1106	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */	1541	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
1107	sigaction (w->signum, &sa, 0);	1542	sigaction (w->signum, &sa, 0);
		1543	#endif
1108	}	1544	}
1109	}	1545	}
1110		1546
1111	void	1547	void
1112	ev_signal_stop (EV_P_ struct ev_signal *w)	1548	ev_signal_stop (EV_P_ struct ev_signal *w)
…		…
1121	if (!signals [w->signum - 1].head)	1557	if (!signals [w->signum - 1].head)
1122	signal (w->signum, SIG_DFL);	1558	signal (w->signum, SIG_DFL);
1123	}	1559	}
1124		1560
1125	void	1561	void
1126	ev_idle_start (EV_P_ struct ev_idle *w)
1127	{
1128	if (ev_is_active (w))
1129	return;
1130
1131	ev_start (EV_A_ (W)w, ++idlecnt);
1132	array_needsize (idles, idlemax, idlecnt, );
1133	idles [idlecnt - 1] = w;
1134	}
1135
1136	void
1137	ev_idle_stop (EV_P_ struct ev_idle *w)
1138	{
1139	ev_clear_pending (EV_A_ (W)w);
1140	if (ev_is_active (w))
1141	return;
1142
1143	idles [w->active - 1] = idles [--idlecnt];
1144	ev_stop (EV_A_ (W)w);
1145	}
1146
1147	void
1148	ev_prepare_start (EV_P_ struct ev_prepare *w)
1149	{
1150	if (ev_is_active (w))
1151	return;
1152
1153	ev_start (EV_A_ (W)w, ++preparecnt);
1154	array_needsize (prepares, preparemax, preparecnt, );
1155	prepares [preparecnt - 1] = w;
1156	}
1157
1158	void
1159	ev_prepare_stop (EV_P_ struct ev_prepare *w)
1160	{
1161	ev_clear_pending (EV_A_ (W)w);
1162	if (ev_is_active (w))
1163	return;
1164
1165	prepares [w->active - 1] = prepares [--preparecnt];
1166	ev_stop (EV_A_ (W)w);
1167	}
1168
1169	void
1170	ev_check_start (EV_P_ struct ev_check *w)
1171	{
1172	if (ev_is_active (w))
1173	return;
1174
1175	ev_start (EV_A_ (W)w, ++checkcnt);
1176	array_needsize (checks, checkmax, checkcnt, );
1177	checks [checkcnt - 1] = w;
1178	}
1179
1180	void
1181	ev_check_stop (EV_P_ struct ev_check *w)
1182	{
1183	ev_clear_pending (EV_A_ (W)w);
1184	if (ev_is_active (w))
1185	return;
1186
1187	checks [w->active - 1] = checks [--checkcnt];
1188	ev_stop (EV_A_ (W)w);
1189	}
1190
1191	void
1192	ev_child_start (EV_P_ struct ev_child *w)	1562	ev_child_start (EV_P_ struct ev_child *w)
1193	{	1563	{
		1564	#if EV_MULTIPLICITY
		1565	assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
		1566	#endif
1194	if (ev_is_active (w))	1567	if (ev_is_active (w))
1195	return;	1568	return;
1196		1569
1197	ev_start (EV_A_ (W)w, 1);	1570	ev_start (EV_A_ (W)w, 1);
1198	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1571	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
…		…
1200		1573
1201	void	1574	void
1202	ev_child_stop (EV_P_ struct ev_child *w)	1575	ev_child_stop (EV_P_ struct ev_child *w)
1203	{	1576	{
1204	ev_clear_pending (EV_A_ (W)w);	1577	ev_clear_pending (EV_A_ (W)w);
1205	if (ev_is_active (w))	1578	if (!ev_is_active (w))
1206	return;	1579	return;
1207		1580
1208	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1581	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1209	ev_stop (EV_A_ (W)w);	1582	ev_stop (EV_A_ (W)w);
1210	}	1583	}
…		…
1225	void (cb)(int revents, void arg) = once->cb;	1598	void (cb)(int revents, void arg) = once->cb;
1226	void *arg = once->arg;	1599	void *arg = once->arg;
1227		1600
1228	ev_io_stop (EV_A_ &once->io);	1601	ev_io_stop (EV_A_ &once->io);
1229	ev_timer_stop (EV_A_ &once->to);	1602	ev_timer_stop (EV_A_ &once->to);
1230	free (once);	1603	ev_free (once);
1231		1604
1232	cb (revents, arg);	1605	cb (revents, arg);
1233	}	1606	}
1234		1607
1235	static void	1608	static void
…		…
1245	}	1618	}
1246		1619
1247	void	1620	void
1248	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)	1621	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)
1249	{	1622	{
1250	struct ev_once *once = malloc (sizeof (struct ev_once));	1623	struct ev_once once = (struct ev_once )ev_malloc (sizeof (struct ev_once));
1251		1624
1252	if (!once)	1625	if (!once)
1253	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);	1626	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);
1254	else	1627	else
1255	{	1628	{
1256	once->cb = cb;	1629	once->cb = cb;
1257	once->arg = arg;	1630	once->arg = arg;
1258		1631
1259	ev_watcher_init (&once->io, once_cb_io);	1632	ev_init (&once->io, once_cb_io);
1260	if (fd >= 0)	1633	if (fd >= 0)
1261	{	1634	{
1262	ev_io_set (&once->io, fd, events);	1635	ev_io_set (&once->io, fd, events);
1263	ev_io_start (EV_A_ &once->io);	1636	ev_io_start (EV_A_ &once->io);
1264	}	1637	}
1265		1638
1266	ev_watcher_init (&once->to, once_cb_to);	1639	ev_init (&once->to, once_cb_to);
1267	if (timeout >= 0.)	1640	if (timeout >= 0.)
1268	{	1641	{
1269	ev_timer_set (&once->to, timeout, 0.);	1642	ev_timer_set (&once->to, timeout, 0.);
1270	ev_timer_start (EV_A_ &once->to);	1643	ev_timer_start (EV_A_ &once->to);
1271	}	1644	}
1272	}	1645	}
1273	}	1646	}
1274		1647
1275	/*****************************************************************************/	1648	#ifdef __cplusplus
1276
1277	#if 0
1278
1279	struct ev_io wio;
1280
1281	static void
1282	sin_cb (struct ev_io *w, int revents)
1283	{
1284	fprintf (stderr, "sin %d, revents %d\n", w->fd, revents);
1285	}	1649	}
1286
1287	static void
1288	ocb (struct ev_timer *w, int revents)
1289	{
1290	//fprintf (stderr, "timer %f,%f (%x) (%f) d%p\n", w->at, w->repeat, revents, w->at - ev_time (), w->data);
1291	ev_timer_stop (w);
1292	ev_timer_start (w);
1293	}
1294
1295	static void
1296	scb (struct ev_signal *w, int revents)
1297	{
1298	fprintf (stderr, "signal %x,%d\n", revents, w->signum);
1299	ev_io_stop (&wio);
1300	ev_io_start (&wio);
1301	}
1302
1303	static void
1304	gcb (struct ev_signal *w, int revents)
1305	{
1306	fprintf (stderr, "generic %x\n", revents);
1307
1308	}
1309
1310	int main (void)
1311	{
1312	ev_init (0);
1313
1314	ev_io_init (&wio, sin_cb, 0, EV_READ);
1315	ev_io_start (&wio);
1316
1317	struct ev_timer t[10000];
1318
1319	#if 0
1320	int i;
1321	for (i = 0; i < 10000; ++i)
1322	{
1323	struct ev_timer *w = t + i;
1324	ev_watcher_init (w, ocb, i);
1325	ev_timer_init_abs (w, ocb, drand48 (), 0.99775533);
1326	ev_timer_start (w);
1327	if (drand48 () < 0.5)
1328	ev_timer_stop (w);
1329	}
1330	#endif	1650	#endif
1331		1651
1332	struct ev_timer t1;
1333	ev_timer_init (&t1, ocb, 5, 10);
1334	ev_timer_start (&t1);
1335
1336	struct ev_signal sig;
1337	ev_signal_init (&sig, scb, SIGQUIT);
1338	ev_signal_start (&sig);
1339
1340	struct ev_check cw;
1341	ev_check_init (&cw, gcb);
1342	ev_check_start (&cw);
1343
1344	struct ev_idle iw;
1345	ev_idle_init (&iw, gcb);
1346	ev_idle_start (&iw);
1347
1348	ev_loop (0);
1349
1350	return 0;
1351	}
1352
1353	#endif
1354
1355
1356
1357

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Comparing libev/ev.c (file contents): Revision 1.54 by root, Sun Nov 4 00:24:16 2007 UTC vs. Revision 1.116 by root, Thu Nov 15 09:19:42 2007 UTC

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Comparing libev/ev.c (file contents):
Revision 1.54 by root, Sun Nov 4 00:24:16 2007 UTC vs.
Revision 1.116 by root, Thu Nov 15 09:19:42 2007 UTC