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

Comparing libev/ev.c (file contents):
Revision 1.51 by root, Sat Nov 3 21:58:51 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 ev_tstamp now_floor, mn_now, diff; /* monotonic clock */	179	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
119	static ev_tstamp rt_now;
120	static int method;
121		180
122	static int have_monotonic; /* runtime */	181	#ifdef _WIN32
123		182	# include "ev_win32.c"
124	static ev_tstamp method_fudge; /* stupid epoll-returns-early bug */
125	static void (*method_modify)(EV_P_ int fd, int oev, int nev);
126	static void (*method_poll)(EV_P_ ev_tstamp timeout);
127
128	static int activecnt; /* number of active events */
129
130	#if EV_USE_SELECT
131	static unsigned char vec_ri, vec_ro, vec_wi, vec_wo;
132	static int vec_max;
133	#endif
134
135	#if EV_USEV_POLL
136	static struct pollfd *polls;
137	static int pollmax, pollcnt;
138	static int pollidxs; / maps fds into structure indices */
139	static int pollidxmax;
140	#endif
141
142	#if EV_USE_EPOLL
143	static int epoll_fd = -1;
144
145	static struct epoll_event *events;
146	static int eventmax;
147	#endif
148
149	#if EV_USE_KQUEUE
150	static int kqueue_fd;
151	static struct kevent *kqueue_changes;
152	static int kqueue_changemax, kqueue_changecnt;
153	static struct kevent *kqueue_events;
154	static int kqueue_eventmax;
155	#endif	183	#endif
156		184
157	/*****************************************************************************/	185	/*****************************************************************************/
158		186
159	inline ev_tstamp	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
		235	typedef struct
		236	{
		237	WL head;
		238	unsigned char events;
		239	unsigned char reify;
		240	#if EV_SELECT_IS_WINSOCKET
		241	SOCKET handle;
		242	#endif
		243	} ANFD;
		244
		245	typedef struct
		246	{
		247	W w;
		248	int events;
		249	} ANPENDING;
		250
		251	#if EV_MULTIPLICITY
		252
		253	struct ev_loop
		254	{
		255	ev_tstamp ev_rt_now;
		256	#define ev_rt_now ((loop)->ev_rt_now)
		257	#define VAR(name,decl) decl;
		258	#include "ev_vars.h"
		259	#undef VAR
		260	};
		261	#include "ev_wrap.h"
		262
		263	static struct ev_loop default_loop_struct;
		264	struct ev_loop *ev_default_loop_ptr;
		265
		266	#else
		267
		268	ev_tstamp ev_rt_now;
		269	#define VAR(name,decl) static decl;
		270	#include "ev_vars.h"
		271	#undef VAR
		272
		273	static int ev_default_loop_ptr;
		274
		275	#endif
		276
		277	/*****************************************************************************/
		278
		279	ev_tstamp
160	ev_time (void)	280	ev_time (void)
161	{	281	{
162	#if EV_USE_REALTIME	282	#if EV_USE_REALTIME
163	struct timespec ts;	283	struct timespec ts;
164	clock_gettime (CLOCK_REALTIME, &ts);	284	clock_gettime (CLOCK_REALTIME, &ts);
…		…
183	#endif	303	#endif
184		304
185	return ev_time ();	305	return ev_time ();
186	}	306	}
187		307
		308	#if EV_MULTIPLICITY
188	ev_tstamp	309	ev_tstamp
189	ev_now (EV_P)	310	ev_now (EV_P)
190	{	311	{
191	return rt_now;	312	return ev_rt_now;
192	}	313	}
		314	#endif
193		315
194	#define array_roundsize(base,n) ((n) \| 4 & ~3)	316	#define array_roundsize(type,n) (((n) \| 4) & ~3)
195		317
196	#define array_needsize(base,cur,cnt,init) \	318	#define array_needsize(type,base,cur,cnt,init) \
197	if (expect_false ((cnt) > cur)) \	319	if (expect_false ((cnt) > cur)) \
198	{ \	320	{ \
199	int newcnt = cur; \	321	int newcnt = cur; \
200	do \	322	do \
201	{ \	323	{ \
202	newcnt = array_roundsize (base, newcnt << 1); \	324	newcnt = array_roundsize (type, newcnt << 1); \
203	} \	325	} \
204	while ((cnt) > newcnt); \	326	while ((cnt) > newcnt); \
205	\	327	\
206	base = realloc (base, sizeof (base) (newcnt)); \	328	base = (type )ev_realloc (base, sizeof (type) (newcnt));\
207	init (base + cur, newcnt - cur); \	329	init (base + cur, newcnt - cur); \
208	cur = newcnt; \	330	cur = newcnt; \
209	}	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;
210		343
211	/*****************************************************************************/	344	/*****************************************************************************/
212
213	typedef struct
214	{
215	struct ev_watcher_list *head;
216	unsigned char events;
217	unsigned char reify;
218	} ANFD;
219
220	static ANFD *anfds;
221	static int anfdmax;
222		345
223	static void	346	static void
224	anfds_init (ANFD *base, int count)	347	anfds_init (ANFD *base, int count)
225	{	348	{
226	while (count--)	349	while (count--)
…		…
231		354
232	++base;	355	++base;
233	}	356	}
234	}	357	}
235		358
236	typedef struct	359	void
237	{
238	W w;
239	int events;
240	} ANPENDING;
241
242	static ANPENDING *pendings [NUMPRI];
243	static int pendingmax [NUMPRI], pendingcnt [NUMPRI];
244
245	static void
246	event (EV_P_ W w, int events)	360	ev_feed_event (EV_P_ void *w, int revents)
247	{	361	{
		362	W w_ = (W)w;
		363
248	if (w->pending)	364	if (w_->pending)
249	{	365	{
250	pendings [ABSPRI (w)][w->pending - 1].events \|= events;	366	pendings [ABSPRI (w_)][w_->pending - 1].events \|= revents;
251	return;	367	return;
252	}	368	}
253		369
254	w->pending = ++pendingcnt [ABSPRI (w)];	370	w_->pending = ++pendingcnt [ABSPRI (w_)];
255	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);
256	pendings [ABSPRI (w)][w->pending - 1].w = w;	372	pendings [ABSPRI (w_)][w_->pending - 1].w = w_;
257	pendings [ABSPRI (w)][w->pending - 1].events = events;	373	pendings [ABSPRI (w_)][w_->pending - 1].events = revents;
258	}	374	}
259		375
260	static void	376	static void
261	queue_events (EV_P_ W *events, int eventcnt, int type)	377	queue_events (EV_P_ W *events, int eventcnt, int type)
262	{	378	{
263	int i;	379	int i;
264		380
265	for (i = 0; i < eventcnt; ++i)	381	for (i = 0; i < eventcnt; ++i)
266	event (EV_A_ events [i], type);	382	ev_feed_event (EV_A_ events [i], type);
267	}	383	}
268		384
269	static void	385	inline void
270	fd_event (EV_P_ int fd, int events)	386	fd_event (EV_P_ int fd, int revents)
271	{	387	{
272	ANFD *anfd = anfds + fd;	388	ANFD *anfd = anfds + fd;
273	struct ev_io *w;	389	struct ev_io *w;
274		390
275	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)
276	{	392	{
277	int ev = w->events & events;	393	int ev = w->events & revents;
278		394
279	if (ev)	395	if (ev)
280	event (EV_A_ (W)w, ev);	396	ev_feed_event (EV_A_ (W)w, ev);
281	}	397	}
		398	}
		399
		400	void
		401	ev_feed_fd_event (EV_P_ int fd, int revents)
		402	{
		403	fd_event (EV_A_ fd, revents);
282	}	404	}
283		405
284	/*****************************************************************************/	406	/*****************************************************************************/
285
286	static int *fdchanges;
287	static int fdchangemax, fdchangecnt;
288		407
289	static void	408	static void
290	fd_reify (EV_P)	409	fd_reify (EV_P)
291	{	410	{
292	int i;	411	int i;
…		…
300	int events = 0;	419	int events = 0;
301		420
302	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)
303	events \|= w->events;	422	events \|= w->events;
304		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
305	anfd->reify = 0;	433	anfd->reify = 0;
306		434
307	if (anfd->events != events)
308	{
309	method_modify (EV_A_ fd, anfd->events, events);	435	method_modify (EV_A_ fd, anfd->events, events);
310	anfd->events = events;	436	anfd->events = events;
311	}
312	}	437	}
313		438
314	fdchangecnt = 0;	439	fdchangecnt = 0;
315	}	440	}
316		441
317	static void	442	static void
318	fd_change (EV_P_ int fd)	443	fd_change (EV_P_ int fd)
319	{	444	{
320	if (anfds [fd].reify \|\| fdchangecnt < 0)	445	if (anfds [fd].reify)
321	return;	446	return;
322		447
323	anfds [fd].reify = 1;	448	anfds [fd].reify = 1;
324		449
325	++fdchangecnt;	450	++fdchangecnt;
326	array_needsize (fdchanges, fdchangemax, fdchangecnt, );	451	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);
327	fdchanges [fdchangecnt - 1] = fd;	452	fdchanges [fdchangecnt - 1] = fd;
328	}	453	}
329		454
330	static void	455	static void
331	fd_kill (EV_P_ int fd)	456	fd_kill (EV_P_ int fd)
…		…
333	struct ev_io *w;	458	struct ev_io *w;
334		459
335	while ((w = (struct ev_io *)anfds [fd].head))	460	while ((w = (struct ev_io *)anfds [fd].head))
336	{	461	{
337	ev_io_stop (EV_A_ w);	462	ev_io_stop (EV_A_ w);
338	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);
339	}	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
340	}	475	}
341		476
342	/* called on EBADF to verify fds */	477	/* called on EBADF to verify fds */
343	static void	478	static void
344	fd_ebadf (EV_P)	479	fd_ebadf (EV_P)
345	{	480	{
346	int fd;	481	int fd;
347		482
348	for (fd = 0; fd < anfdmax; ++fd)	483	for (fd = 0; fd < anfdmax; ++fd)
349	if (anfds [fd].events)	484	if (anfds [fd].events)
350	if (fcntl (fd, F_GETFD) == -1 && errno == EBADF)	485	if (!fd_valid (fd) == -1 && errno == EBADF)
351	fd_kill (EV_A_ fd);	486	fd_kill (EV_A_ fd);
352	}	487	}
353		488
354	/* 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 */
355	static void	490	static void
356	fd_enomem (EV_P)	491	fd_enomem (EV_P)
357	{	492	{
358	int fd = anfdmax;	493	int fd;
359		494
360	while (fd--)	495	for (fd = anfdmax; fd--; )
361	if (anfds [fd].events)	496	if (anfds [fd].events)
362	{	497	{
363	close (fd);
364	fd_kill (EV_A_ fd);	498	fd_kill (EV_A_ fd);
365	return;	499	return;
366	}	500	}
367	}	501	}
368		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
369	/*****************************************************************************/	518	/*****************************************************************************/
370		519
371	static struct ev_timer **timers;
372	static int timermax, timercnt;
373
374	static struct ev_periodic **periodics;
375	static int periodicmax, periodiccnt;
376
377	static void	520	static void
378	upheap (WT *timers, int k)	521	upheap (WT *heap, int k)
379	{	522	{
380	WT w = timers [k];	523	WT w = heap [k];
381		524
382	while (k && timers [k >> 1]->at > w->at)	525	while (k && heap [k >> 1]->at > w->at)
383	{	526	{
384	timers [k] = timers [k >> 1];	527	heap [k] = heap [k >> 1];
385	timers [k]->active = k + 1;	528	((W)heap [k])->active = k + 1;
386	k >>= 1;	529	k >>= 1;
387	}	530	}
388		531
389	timers [k] = w;	532	heap [k] = w;
390	timers [k]->active = k + 1;	533	((W)heap [k])->active = k + 1;
391		534
392	}	535	}
393		536
394	static void	537	static void
395	downheap (WT *timers, int N, int k)	538	downheap (WT *heap, int N, int k)
396	{	539	{
397	WT w = timers [k];	540	WT w = heap [k];
398		541
399	while (k < (N >> 1))	542	while (k < (N >> 1))
400	{	543	{
401	int j = k << 1;	544	int j = k << 1;
402		545
403	if (j + 1 < N && timers [j]->at > timers [j + 1]->at)	546	if (j + 1 < N && heap [j]->at > heap [j + 1]->at)
404	++j;	547	++j;
405		548
406	if (w->at <= timers [j]->at)	549	if (w->at <= heap [j]->at)
407	break;	550	break;
408		551
409	timers [k] = timers [j];	552	heap [k] = heap [j];
410	timers [k]->active = k + 1;	553	((W)heap [k])->active = k + 1;
411	k = j;	554	k = j;
412	}	555	}
413		556
414	timers [k] = w;	557	heap [k] = w;
415	timers [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);
416	}	566	}
417		567
418	/*****************************************************************************/	568	/*****************************************************************************/
419		569
420	typedef struct	570	typedef struct
421	{	571	{
422	struct ev_watcher_list *head;	572	WL head;
423	sig_atomic_t volatile gotsig;	573	sig_atomic_t volatile gotsig;
424	} ANSIG;	574	} ANSIG;
425		575
426	static ANSIG *signals;	576	static ANSIG *signals;
427	static int signalmax;	577	static int signalmax;
…		…
443	}	593	}
444		594
445	static void	595	static void
446	sighandler (int signum)	596	sighandler (int signum)
447	{	597	{
		598	#if _WIN32
		599	signal (signum, sighandler);
		600	#endif
		601
448	signals [signum - 1].gotsig = 1;	602	signals [signum - 1].gotsig = 1;
449		603
450	if (!gotsig)	604	if (!gotsig)
451	{	605	{
452	int old_errno = errno;	606	int old_errno = errno;
…		…
454	write (sigpipe [1], &signum, 1);	608	write (sigpipe [1], &signum, 1);
455	errno = old_errno;	609	errno = old_errno;
456	}	610	}
457	}	611	}
458		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
459	static void	633	static void
460	sigcb (EV_P_ struct ev_io *iow, int revents)	634	sigcb (EV_P_ struct ev_io *iow, int revents)
461	{	635	{
462	struct ev_watcher_list *w;
463	int signum;	636	int signum;
464		637
465	read (sigpipe [0], &revents, 1);	638	read (sigpipe [0], &revents, 1);
466	gotsig = 0;	639	gotsig = 0;
467		640
468	for (signum = signalmax; signum--; )	641	for (signum = signalmax; signum--; )
469	if (signals [signum].gotsig)	642	if (signals [signum].gotsig)
470	{	643	ev_feed_signal_event (EV_A_ signum + 1);
471	signals [signum].gotsig = 0;	644	}
472		645
473	for (w = signals [signum].head; w; w = w->next)	646	inline void
474	event (EV_A_ (W)w, EV_SIGNAL);	647	fd_intern (int fd)
475	}	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
476	}	656	}
477		657
478	static void	658	static void
479	siginit (EV_P)	659	siginit (EV_P)
480	{	660	{
481	#ifndef WIN32	661	fd_intern (sigpipe [0]);
482	fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC);	662	fd_intern (sigpipe [1]);
483	fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC);
484
485	/* rather than sort out wether we really need nb, set it */
486	fcntl (sigpipe [0], F_SETFL, O_NONBLOCK);
487	fcntl (sigpipe [1], F_SETFL, O_NONBLOCK);
488	#endif
489		663
490	ev_io_set (&sigev, sigpipe [0], EV_READ);	664	ev_io_set (&sigev, sigpipe [0], EV_READ);
491	ev_io_start (&sigev);	665	ev_io_start (EV_A_ &sigev);
		666	ev_unref (EV_A); /* child watcher should not keep loop alive */
492	}	667	}
493		668
494	/*****************************************************************************/	669	/*****************************************************************************/
495		670
496	static struct ev_idle **idles;
497	static int idlemax, idlecnt;
498
499	static struct ev_prepare **prepares;
500	static int preparemax, preparecnt;
501
502	static struct ev_check **checks;
503	static int checkmax, checkcnt;
504
505	/*****************************************************************************/
506
507	static struct ev_child *childs [PID_HASHSIZE];	671	static struct ev_child *childs [PID_HASHSIZE];
		672
		673	#ifndef _WIN32
		674
508	static struct ev_signal childev;	675	static struct ev_signal childev;
509
510	#ifndef WIN32
511		676
512	#ifndef WCONTINUED	677	#ifndef WCONTINUED
513	# define WCONTINUED 0	678	# define WCONTINUED 0
514	#endif	679	#endif
515		680
…		…
519	struct ev_child *w;	684	struct ev_child *w;
520		685
521	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)
522	if (w->pid == pid \|\| !w->pid)	687	if (w->pid == pid \|\| !w->pid)
523	{	688	{
524	w->priority = sw->priority; /* need to do it now */	689	ev_priority (w) = ev_priority (sw); /* need to do it now */
525	w->rpid = pid;	690	w->rpid = pid;
526	w->rstatus = status;	691	w->rstatus = status;
527	event (EV_A_ (W)w, EV_CHILD);	692	ev_feed_event (EV_A_ (W)w, EV_CHILD);
528	}	693	}
529	}	694	}
530		695
531	static void	696	static void
532	childcb (EV_P_ struct ev_signal *sw, int revents)	697	childcb (EV_P_ struct ev_signal *sw, int revents)
…		…
534	int pid, status;	699	int pid, status;
535		700
536	if (0 < (pid = waitpid (-1, &status, WNOHANG \| WUNTRACED \| WCONTINUED)))	701	if (0 < (pid = waitpid (-1, &status, WNOHANG \| WUNTRACED \| WCONTINUED)))
537	{	702	{
538	/* 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 */
539	event (EV_A_ (W)sw, EV_SIGNAL);	704	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
540		705
541	child_reap (EV_A_ sw, pid, pid, status);	706	child_reap (EV_A_ sw, pid, pid, status);
542	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 */
543	}	708	}
544	}	709	}
…		…
551	# include "ev_kqueue.c"	716	# include "ev_kqueue.c"
552	#endif	717	#endif
553	#if EV_USE_EPOLL	718	#if EV_USE_EPOLL
554	# include "ev_epoll.c"	719	# include "ev_epoll.c"
555	#endif	720	#endif
556	#if EV_USEV_POLL	721	#if EV_USE_POLL
557	# include "ev_poll.c"	722	# include "ev_poll.c"
558	#endif	723	#endif
559	#if EV_USE_SELECT	724	#if EV_USE_SELECT
560	# include "ev_select.c"	725	# include "ev_select.c"
561	#endif	726	#endif
…		…
574		739
575	/* 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 */
576	static int	741	static int
577	enable_secure (void)	742	enable_secure (void)
578	{	743	{
579	#ifdef WIN32	744	#ifdef _WIN32
580	return 0;	745	return 0;
581	#else	746	#else
582	return getuid () != geteuid ()	747	return getuid () != geteuid ()
583	\|\| getgid () != getegid ();	748	\|\| getgid () != getegid ();
584	#endif	749	#endif
585	}	750	}
586		751
587	int	752	unsigned int
588	ev_method (EV_P)	753	ev_method (EV_P)
589	{	754	{
590	return method;	755	return method;
591	}	756	}
592		757
593	int	758	static void
594	ev_init (EV_P_ int methods)	759	loop_init (EV_P_ unsigned int flags)
595	{	760	{
596	if (!method)	761	if (!method)
597	{	762	{
598	#if EV_USE_MONOTONIC	763	#if EV_USE_MONOTONIC
599	{	764	{
…		…
601	if (!clock_gettime (CLOCK_MONOTONIC, &ts))	766	if (!clock_gettime (CLOCK_MONOTONIC, &ts))
602	have_monotonic = 1;	767	have_monotonic = 1;
603	}	768	}
604	#endif	769	#endif
605		770
606	rt_now = ev_time ();	771	ev_rt_now = ev_time ();
607	mn_now = get_clock ();	772	mn_now = get_clock ();
608	now_floor = mn_now;	773	now_floor = mn_now;
609	diff = rt_now - mn_now;	774	rtmn_diff = ev_rt_now - mn_now;
610		775
611	if (pipe (sigpipe))	776	if (!(flags & EVFLAG_NOENV) && !enable_secure () && getenv ("LIBEV_FLAGS"))
612	return 0;	777	flags = atoi (getenv ("LIBEV_FLAGS"));
613		778
614	if (methods == EVMETHOD_AUTO)	779	if (!(flags & 0x0000ffff))
615	if (!enable_secure () && getenv ("LIBmethodS"))	780	flags \|= 0x0000ffff;
616	methods = atoi (getenv ("LIBmethodS"));
617	else
618	methods = EVMETHOD_ANY;
619		781
620	method = 0;	782	method = 0;
621	#if EV_USE_KQUEUE	783	#if EV_USE_KQUEUE
622	if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods);	784	if (!method && (flags & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ flags);
623	#endif	785	#endif
624	#if EV_USE_EPOLL	786	#if EV_USE_EPOLL
625	if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods);	787	if (!method && (flags & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ flags);
626	#endif	788	#endif
627	#if EV_USEV_POLL	789	#if EV_USE_POLL
628	if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods);	790	if (!method && (flags & EVMETHOD_POLL )) method = poll_init (EV_A_ flags);
629	#endif	791	#endif
630	#if EV_USE_SELECT	792	#if EV_USE_SELECT
631	if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods);	793	if (!method && (flags & EVMETHOD_SELECT)) method = select_init (EV_A_ flags);
632	#endif	794	#endif
633		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
634	if (method)	916	if (ev_method (EV_A))
635	{	917	{
636	ev_watcher_init (&sigev, sigcb);
637	ev_set_priority (&sigev, EV_MAXPRI);
638	siginit (EV_A);	918	siginit (EV_A);
639		919
640	#ifndef WIN32	920	#ifndef _WIN32
641	ev_signal_init (&childev, childcb, SIGCHLD);	921	ev_signal_init (&childev, childcb, SIGCHLD);
642	ev_set_priority (&childev, EV_MAXPRI);	922	ev_set_priority (&childev, EV_MAXPRI);
643	ev_signal_start (EV_A_ &childev);	923	ev_signal_start (EV_A_ &childev);
		924	ev_unref (EV_A); /* child watcher should not keep loop alive */
644	#endif	925	#endif
645	}	926	}
		927	else
		928	ev_default_loop_ptr = 0;
646	}	929	}
647		930
648	return method;	931	return ev_default_loop_ptr;
		932	}
		933
		934	void
		935	ev_default_destroy (void)
		936	{
		937	#if EV_MULTIPLICITY
		938	struct ev_loop *loop = ev_default_loop_ptr;
		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;
649	}	964	}
650		965
651	/*****************************************************************************/	966	/*****************************************************************************/
652		967
653	void	968	static int
654	ev_fork_prepare (void)	969	any_pending (EV_P)
655	{	970	{
656	/* nop */	971	int pri;
657	}
658		972
659	void	973	for (pri = NUMPRI; pri--; )
660	ev_fork_parent (void)	974	if (pendingcnt [pri])
661	{	975	return 1;
662	/* nop */
663	}
664		976
665	void	977	return 0;
666	ev_fork_child (void)
667	{
668	#if EV_USE_EPOLL
669	if (method == EVMETHOD_EPOLL)
670	epoll_postfork_child ();
671	#endif
672
673	ev_io_stop (&sigev);
674	close (sigpipe [0]);
675	close (sigpipe [1]);
676	pipe (sigpipe);
677	siginit ();
678	}	978	}
679
680	/*****************************************************************************/
681		979
682	static void	980	static void
683	call_pending (EV_P)	981	call_pending (EV_P)
684	{	982	{
685	int pri;	983	int pri;
…		…
690	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	988	ANPENDING *p = pendings [pri] + --pendingcnt [pri];
691		989
692	if (p->w)	990	if (p->w)
693	{	991	{
694	p->w->pending = 0;	992	p->w->pending = 0;
695	p->w->cb (EV_A_ p->w, p->events);	993	EV_CB_INVOKE (p->w, p->events);
696	}	994	}
697	}	995	}
698	}	996	}
699		997
700	static void	998	static void
701	timers_reify (EV_P)	999	timers_reify (EV_P)
702	{	1000	{
703	while (timercnt && timers [0]->at <= mn_now)	1001	while (timercnt && ((WT)timers [0])->at <= mn_now)
704	{	1002	{
705	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)));
706		1006
707	/* first reschedule or stop timer */	1007	/* first reschedule or stop timer */
708	if (w->repeat)	1008	if (w->repeat)
709	{	1009	{
710	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
711	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
712	downheap ((WT *)timers, timercnt, 0);	1016	downheap ((WT *)timers, timercnt, 0);
713	}	1017	}
714	else	1018	else
715	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */	1019	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
716		1020
717	event ((W)w, EV_TIMEOUT);	1021	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
718	}	1022	}
719	}	1023	}
720		1024
		1025	#if EV_PERIODICS
721	static void	1026	static void
722	periodics_reify (EV_P)	1027	periodics_reify (EV_P)
723	{	1028	{
724	while (periodiccnt && periodics [0]->at <= rt_now)	1029	while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)
725	{	1030	{
726	struct ev_periodic *w = periodics [0];	1031	struct ev_periodic *w = periodics [0];
727		1032
		1033	assert (("inactive timer on periodic heap detected", ev_is_active (w)));
		1034
728	/* first reschedule or stop timer */	1035	/* first reschedule or stop timer */
729	if (w->interval)	1036	if (w->reschedule_cb)
730	{	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	{
731	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;
732	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));
733	downheap ((WT *)periodics, periodiccnt, 0);	1046	downheap ((WT *)periodics, periodiccnt, 0);
734	}	1047	}
735	else	1048	else
736	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */	1049	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
737		1050
738	event (EV_A_ (W)w, EV_PERIODIC);	1051	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
739	}	1052	}
740	}	1053	}
741		1054
742	static void	1055	static void
743	periodics_reschedule (EV_P_ ev_tstamp diff)	1056	periodics_reschedule (EV_P)
744	{	1057	{
745	int i;	1058	int i;
746		1059
747	/* adjust periodics after time jump */	1060	/* adjust periodics after time jump */
748	for (i = 0; i < periodiccnt; ++i)	1061	for (i = 0; i < periodiccnt; ++i)
749	{	1062	{
750	struct ev_periodic *w = periodics [i];	1063	struct ev_periodic *w = periodics [i];
751		1064
		1065	if (w->reschedule_cb)
		1066	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
752	if (w->interval)	1067	else if (w->interval)
753	{
754	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;
755
756	if (fabs (diff) >= 1e-4)
757	{
758	ev_periodic_stop (EV_A_ w);
759	ev_periodic_start (EV_A_ w);
760
761	i = 0; /* restart loop, inefficient, but time jumps should be rare */
762	}
763	}
764	}	1069	}
		1070
		1071	/* now rebuild the heap */
		1072	for (i = periodiccnt >> 1; i--; )
		1073	downheap ((WT *)periodics, periodiccnt, i);
765	}	1074	}
		1075	#endif
766		1076
767	inline int	1077	inline int
768	time_update_monotonic (EV_P)	1078	time_update_monotonic (EV_P)
769	{	1079	{
770	mn_now = get_clock ();	1080	mn_now = get_clock ();
771		1081
772	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))	1082	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
773	{	1083	{
774	rt_now = mn_now + diff;	1084	ev_rt_now = rtmn_diff + mn_now;
775	return 0;	1085	return 0;
776	}	1086	}
777	else	1087	else
778	{	1088	{
779	now_floor = mn_now;	1089	now_floor = mn_now;
780	rt_now = ev_time ();	1090	ev_rt_now = ev_time ();
781	return 1;	1091	return 1;
782	}	1092	}
783	}	1093	}
784		1094
785	static void	1095	static void
…		…
790	#if EV_USE_MONOTONIC	1100	#if EV_USE_MONOTONIC
791	if (expect_true (have_monotonic))	1101	if (expect_true (have_monotonic))
792	{	1102	{
793	if (time_update_monotonic (EV_A))	1103	if (time_update_monotonic (EV_A))
794	{	1104	{
795	ev_tstamp odiff = diff;	1105	ev_tstamp odiff = rtmn_diff;
796		1106
797	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 */
798	{	1108	{
799	diff = rt_now - mn_now;	1109	rtmn_diff = ev_rt_now - mn_now;
800		1110
801	if (fabs (odiff - diff) < MIN_TIMEJUMP)	1111	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)
802	return; /* all is well */	1112	return; /* all is well */
803		1113
804	rt_now = ev_time ();	1114	ev_rt_now = ev_time ();
805	mn_now = get_clock ();	1115	mn_now = get_clock ();
806	now_floor = mn_now;	1116	now_floor = mn_now;
807	}	1117	}
808		1118
		1119	# if EV_PERIODICS
809	periodics_reschedule (EV_A_ diff - odiff);	1120	periodics_reschedule (EV_A);
		1121	# endif
810	/* no timer adjustment, as the monotonic clock doesn't jump */	1122	/* no timer adjustment, as the monotonic clock doesn't jump */
		1123	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */
811	}	1124	}
812	}	1125	}
813	else	1126	else
814	#endif	1127	#endif
815	{	1128	{
816	rt_now = ev_time ();	1129	ev_rt_now = ev_time ();
817		1130
818	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))
819	{	1132	{
		1133	#if EV_PERIODICS
820	periodics_reschedule (EV_A_ rt_now - mn_now);	1134	periodics_reschedule (EV_A);
		1135	#endif
821		1136
822	/* 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 */
823	for (i = 0; i < timercnt; ++i)	1138	for (i = 0; i < timercnt; ++i)
824	timers [i]->at += diff;	1139	((WT)timers [i])->at += ev_rt_now - mn_now;
825	}	1140	}
826		1141
827	mn_now = rt_now;	1142	mn_now = ev_rt_now;
828	}	1143	}
829	}	1144	}
830		1145
831	void	1146	void
832	ev_ref (EV_P)	1147	ev_ref (EV_P)
…		…
846	ev_loop (EV_P_ int flags)	1161	ev_loop (EV_P_ int flags)
847	{	1162	{
848	double block;	1163	double block;
849	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;	1164	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;
850		1165
851	do	1166	while (activecnt)
852	{	1167	{
853	/* queue check watchers (and execute them) */	1168	/* queue check watchers (and execute them) */
854	if (expect_false (preparecnt))	1169	if (expect_false (preparecnt))
855	{	1170	{
856	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	1171	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
857	call_pending (EV_A);	1172	call_pending (EV_A);
858	}	1173	}
859		1174
		1175	/* we might have forked, so reify kernel state if necessary */
		1176	if (expect_false (postfork))
		1177	loop_fork (EV_A);
		1178
860	/* update fd-related kernel structures */	1179	/* update fd-related kernel structures */
861	fd_reify (EV_A);	1180	fd_reify (EV_A);
862		1181
863	/* calculate blocking time */	1182	/* calculate blocking time */
864		1183
865	/* 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
866	always have timers, we just calculate it always */	1185	always have timers, we just calculate it always */
867	#if EV_USE_MONOTONIC	1186	#if EV_USE_MONOTONIC
868	if (expect_true (have_monotonic))	1187	if (expect_true (have_monotonic))
869	time_update_monotonic (EV_A);	1188	time_update_monotonic (EV_A);
870	else	1189	else
871	#endif	1190	#endif
872	{	1191	{
873	rt_now = ev_time ();	1192	ev_rt_now = ev_time ();
874	mn_now = rt_now;	1193	mn_now = ev_rt_now;
875	}	1194	}
876		1195
877	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)	1196	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)
878	block = 0.;	1197	block = 0.;
879	else	1198	else
880	{	1199	{
881	block = MAX_BLOCKTIME;	1200	block = MAX_BLOCKTIME;
882		1201
883	if (timercnt)	1202	if (timercnt)
884	{	1203	{
885	ev_tstamp to = timers [0]->at - mn_now + method_fudge;	1204	ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge;
886	if (block > to) block = to;	1205	if (block > to) block = to;
887	}	1206	}
888		1207
		1208	#if EV_PERIODICS
889	if (periodiccnt)	1209	if (periodiccnt)
890	{	1210	{
891	ev_tstamp to = periodics [0]->at - rt_now + method_fudge;	1211	ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge;
892	if (block > to) block = to;	1212	if (block > to) block = to;
893	}	1213	}
		1214	#endif
894		1215
895	if (block < 0.) block = 0.;	1216	if (block < 0.) block = 0.;
896	}	1217	}
897		1218
898	method_poll (EV_A_ block);	1219	method_poll (EV_A_ block);
899		1220
900	/* update rt_now, do magic */	1221	/* update ev_rt_now, do magic */
901	time_update (EV_A);	1222	time_update (EV_A);
902		1223
903	/* queue pending timers and reschedule them */	1224	/* queue pending timers and reschedule them */
904	timers_reify (EV_A); /* relative timers called last */	1225	timers_reify (EV_A); /* relative timers called last */
		1226	#if EV_PERIODICS
905	periodics_reify (EV_A); /* absolute timers called first */	1227	periodics_reify (EV_A); /* absolute timers called first */
		1228	#endif
906		1229
907	/* queue idle watchers unless io or timers are pending */	1230	/* queue idle watchers unless io or timers are pending */
908	if (!pendingcnt)	1231	if (idlecnt && !any_pending (EV_A))
909	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);	1232	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);
910		1233
911	/* queue check watchers, to be executed first */	1234	/* queue check watchers, to be executed first */
912	if (checkcnt)	1235	if (checkcnt)
913	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	1236	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
914		1237
915	call_pending (EV_A);	1238	call_pending (EV_A);
916	printf ("activecnt %d\n", activecnt);//D	1239
		1240	if (loop_done)
		1241	break;
917	}	1242	}
918	while (activecnt && !loop_done);
919		1243
920	if (loop_done != 2)	1244	if (loop_done != 2)
921	loop_done = 0;	1245	loop_done = 0;
922	}	1246	}
923		1247
…		…
989	return;	1313	return;
990		1314
991	assert (("ev_io_start called with negative fd", fd >= 0));	1315	assert (("ev_io_start called with negative fd", fd >= 0));
992		1316
993	ev_start (EV_A_ (W)w, 1);	1317	ev_start (EV_A_ (W)w, 1);
994	array_needsize (anfds, anfdmax, fd + 1, anfds_init);	1318	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);
995	wlist_add ((WL *)&anfds[fd].head, (WL)w);	1319	wlist_add ((WL *)&anfds[fd].head, (WL)w);
996		1320
997	fd_change (EV_A_ fd);	1321	fd_change (EV_A_ fd);
998	}	1322	}
999		1323
…		…
1002	{	1326	{
1003	ev_clear_pending (EV_A_ (W)w);	1327	ev_clear_pending (EV_A_ (W)w);
1004	if (!ev_is_active (w))	1328	if (!ev_is_active (w))
1005	return;	1329	return;
1006		1330
		1331	assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
		1332
1007	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);	1333	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);
1008	ev_stop (EV_A_ (W)w);	1334	ev_stop (EV_A_ (W)w);
1009		1335
1010	fd_change (EV_A_ w->fd);	1336	fd_change (EV_A_ w->fd);
1011	}	1337	}
…		…
1014	ev_timer_start (EV_P_ struct ev_timer *w)	1340	ev_timer_start (EV_P_ struct ev_timer *w)
1015	{	1341	{
1016	if (ev_is_active (w))	1342	if (ev_is_active (w))
1017	return;	1343	return;
1018		1344
1019	w->at += mn_now;	1345	((WT)w)->at += mn_now;
1020		1346
1021	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.));
1022		1348
1023	ev_start (EV_A_ (W)w, ++timercnt);	1349	ev_start (EV_A_ (W)w, ++timercnt);
1024	array_needsize (timers, timermax, timercnt, );	1350	array_needsize (struct ev_timer *, timers, timermax, timercnt, EMPTY2);
1025	timers [timercnt - 1] = w;	1351	timers [timercnt - 1] = w;
1026	upheap ((WT *)timers, timercnt - 1);	1352	upheap ((WT *)timers, timercnt - 1);
		1353
		1354	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1027	}	1355	}
1028		1356
1029	void	1357	void
1030	ev_timer_stop (EV_P_ struct ev_timer *w)	1358	ev_timer_stop (EV_P_ struct ev_timer *w)
1031	{	1359	{
1032	ev_clear_pending (EV_A_ (W)w);	1360	ev_clear_pending (EV_A_ (W)w);
1033	if (!ev_is_active (w))	1361	if (!ev_is_active (w))
1034	return;	1362	return;
1035		1363
		1364	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
		1365
1036	if (w->active < timercnt--)	1366	if (((W)w)->active < timercnt--)
1037	{	1367	{
1038	timers [w->active - 1] = timers [timercnt];	1368	timers [((W)w)->active - 1] = timers [timercnt];
1039	downheap ((WT *)timers, timercnt, w->active - 1);	1369	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1040	}	1370	}
1041		1371
1042	w->at = w->repeat;	1372	((WT)w)->at -= mn_now;
1043		1373
1044	ev_stop (EV_A_ (W)w);	1374	ev_stop (EV_A_ (W)w);
1045	}	1375	}
1046		1376
1047	void	1377	void
…		…
1049	{	1379	{
1050	if (ev_is_active (w))	1380	if (ev_is_active (w))
1051	{	1381	{
1052	if (w->repeat)	1382	if (w->repeat)
1053	{	1383	{
1054	w->at = mn_now + w->repeat;	1384	((WT)w)->at = mn_now + w->repeat;
1055	downheap ((WT *)timers, timercnt, w->active - 1);	1385	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1056	}	1386	}
1057	else	1387	else
1058	ev_timer_stop (EV_A_ w);	1388	ev_timer_stop (EV_A_ w);
1059	}	1389	}
1060	else if (w->repeat)	1390	else if (w->repeat)
		1391	{
		1392	w->at = w->repeat;
1061	ev_timer_start (EV_A_ w);	1393	ev_timer_start (EV_A_ w);
		1394	}
1062	}	1395	}
1063		1396
		1397	#if EV_PERIODICS
1064	void	1398	void
1065	ev_periodic_start (EV_P_ struct ev_periodic *w)	1399	ev_periodic_start (EV_P_ struct ev_periodic *w)
1066	{	1400	{
1067	if (ev_is_active (w))	1401	if (ev_is_active (w))
1068	return;	1402	return;
1069		1403
		1404	if (w->reschedule_cb)
		1405	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
		1406	else if (w->interval)
		1407	{
1070	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.));
1071
1072	/* 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 */
1073	if (w->interval)
1074	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	}
1075		1412
1076	ev_start (EV_A_ (W)w, ++periodiccnt);	1413	ev_start (EV_A_ (W)w, ++periodiccnt);
1077	array_needsize (periodics, periodicmax, periodiccnt, );	1414	array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2);
1078	periodics [periodiccnt - 1] = w;	1415	periodics [periodiccnt - 1] = w;
1079	upheap ((WT *)periodics, periodiccnt - 1);	1416	upheap ((WT *)periodics, periodiccnt - 1);
		1417
		1418	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1080	}	1419	}
1081		1420
1082	void	1421	void
1083	ev_periodic_stop (EV_P_ struct ev_periodic *w)	1422	ev_periodic_stop (EV_P_ struct ev_periodic *w)
1084	{	1423	{
1085	ev_clear_pending (EV_A_ (W)w);	1424	ev_clear_pending (EV_A_ (W)w);
1086	if (!ev_is_active (w))	1425	if (!ev_is_active (w))
1087	return;	1426	return;
1088		1427
		1428	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
		1429
1089	if (w->active < periodiccnt--)	1430	if (((W)w)->active < periodiccnt--)
1090	{	1431	{
1091	periodics [w->active - 1] = periodics [periodiccnt];	1432	periodics [((W)w)->active - 1] = periodics [periodiccnt];
1092	downheap ((WT *)periodics, periodiccnt, w->active - 1);	1433	adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);
1093	}	1434	}
1094		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];
1095	ev_stop (EV_A_ (W)w);	1511	ev_stop (EV_A_ (W)w);
1096	}	1512	}
1097		1513
1098	#ifndef SA_RESTART	1514	#ifndef SA_RESTART
1099	# define SA_RESTART 0	1515	# define SA_RESTART 0
1100	#endif	1516	#endif
1101		1517
1102	void	1518	void
1103	ev_signal_start (EV_P_ struct ev_signal *w)	1519	ev_signal_start (EV_P_ struct ev_signal *w)
1104	{	1520	{
		1521	#if EV_MULTIPLICITY
		1522	assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));
		1523	#endif
1105	if (ev_is_active (w))	1524	if (ev_is_active (w))
1106	return;	1525	return;
1107		1526
1108	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));
1109		1528
1110	ev_start (EV_A_ (W)w, 1);	1529	ev_start (EV_A_ (W)w, 1);
1111	array_needsize (signals, signalmax, w->signum, signals_init);	1530	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
1112	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);	1531	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
1113		1532
1114	if (!w->next)	1533	if (!((WL)w)->next)
1115	{	1534	{
		1535	#if _WIN32
		1536	signal (w->signum, sighandler);
		1537	#else
1116	struct sigaction sa;	1538	struct sigaction sa;
1117	sa.sa_handler = sighandler;	1539	sa.sa_handler = sighandler;
1118	sigfillset (&sa.sa_mask);	1540	sigfillset (&sa.sa_mask);
1119	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 */
1120	sigaction (w->signum, &sa, 0);	1542	sigaction (w->signum, &sa, 0);
		1543	#endif
1121	}	1544	}
1122	}	1545	}
1123		1546
1124	void	1547	void
1125	ev_signal_stop (EV_P_ struct ev_signal *w)	1548	ev_signal_stop (EV_P_ struct ev_signal *w)
…		…
1134	if (!signals [w->signum - 1].head)	1557	if (!signals [w->signum - 1].head)
1135	signal (w->signum, SIG_DFL);	1558	signal (w->signum, SIG_DFL);
1136	}	1559	}
1137		1560
1138	void	1561	void
1139	ev_idle_start (EV_P_ struct ev_idle *w)
1140	{
1141	if (ev_is_active (w))
1142	return;
1143
1144	ev_start (EV_A_ (W)w, ++idlecnt);
1145	array_needsize (idles, idlemax, idlecnt, );
1146	idles [idlecnt - 1] = w;
1147	}
1148
1149	void
1150	ev_idle_stop (EV_P_ struct ev_idle *w)
1151	{
1152	ev_clear_pending (EV_A_ (W)w);
1153	if (ev_is_active (w))
1154	return;
1155
1156	idles [w->active - 1] = idles [--idlecnt];
1157	ev_stop (EV_A_ (W)w);
1158	}
1159
1160	void
1161	ev_prepare_start (EV_P_ struct ev_prepare *w)
1162	{
1163	if (ev_is_active (w))
1164	return;
1165
1166	ev_start (EV_A_ (W)w, ++preparecnt);
1167	array_needsize (prepares, preparemax, preparecnt, );
1168	prepares [preparecnt - 1] = w;
1169	}
1170
1171	void
1172	ev_prepare_stop (EV_P_ struct ev_prepare *w)
1173	{
1174	ev_clear_pending (EV_A_ (W)w);
1175	if (ev_is_active (w))
1176	return;
1177
1178	prepares [w->active - 1] = prepares [--preparecnt];
1179	ev_stop (EV_A_ (W)w);
1180	}
1181
1182	void
1183	ev_check_start (EV_P_ struct ev_check *w)
1184	{
1185	if (ev_is_active (w))
1186	return;
1187
1188	ev_start (EV_A_ (W)w, ++checkcnt);
1189	array_needsize (checks, checkmax, checkcnt, );
1190	checks [checkcnt - 1] = w;
1191	}
1192
1193	void
1194	ev_check_stop (EV_P_ struct ev_check *w)
1195	{
1196	ev_clear_pending (EV_A_ (W)w);
1197	if (ev_is_active (w))
1198	return;
1199
1200	checks [w->active - 1] = checks [--checkcnt];
1201	ev_stop (EV_A_ (W)w);
1202	}
1203
1204	void
1205	ev_child_start (EV_P_ struct ev_child *w)	1562	ev_child_start (EV_P_ struct ev_child *w)
1206	{	1563	{
		1564	#if EV_MULTIPLICITY
		1565	assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
		1566	#endif
1207	if (ev_is_active (w))	1567	if (ev_is_active (w))
1208	return;	1568	return;
1209		1569
1210	ev_start (EV_A_ (W)w, 1);	1570	ev_start (EV_A_ (W)w, 1);
1211	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1571	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
…		…
1213		1573
1214	void	1574	void
1215	ev_child_stop (EV_P_ struct ev_child *w)	1575	ev_child_stop (EV_P_ struct ev_child *w)
1216	{	1576	{
1217	ev_clear_pending (EV_A_ (W)w);	1577	ev_clear_pending (EV_A_ (W)w);
1218	if (ev_is_active (w))	1578	if (!ev_is_active (w))
1219	return;	1579	return;
1220		1580
1221	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1581	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1222	ev_stop (EV_A_ (W)w);	1582	ev_stop (EV_A_ (W)w);
1223	}	1583	}
…		…
1238	void (cb)(int revents, void arg) = once->cb;	1598	void (cb)(int revents, void arg) = once->cb;
1239	void *arg = once->arg;	1599	void *arg = once->arg;
1240		1600
1241	ev_io_stop (EV_A_ &once->io);	1601	ev_io_stop (EV_A_ &once->io);
1242	ev_timer_stop (EV_A_ &once->to);	1602	ev_timer_stop (EV_A_ &once->to);
1243	free (once);	1603	ev_free (once);
1244		1604
1245	cb (revents, arg);	1605	cb (revents, arg);
1246	}	1606	}
1247		1607
1248	static void	1608	static void
…		…
1258	}	1618	}
1259		1619
1260	void	1620	void
1261	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)
1262	{	1622	{
1263	struct ev_once *once = malloc (sizeof (struct ev_once));	1623	struct ev_once once = (struct ev_once )ev_malloc (sizeof (struct ev_once));
1264		1624
1265	if (!once)	1625	if (!once)
1266	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);	1626	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);
1267	else	1627	else
1268	{	1628	{
1269	once->cb = cb;	1629	once->cb = cb;
1270	once->arg = arg;	1630	once->arg = arg;
1271		1631
1272	ev_watcher_init (&once->io, once_cb_io);	1632	ev_init (&once->io, once_cb_io);
1273	if (fd >= 0)	1633	if (fd >= 0)
1274	{	1634	{
1275	ev_io_set (&once->io, fd, events);	1635	ev_io_set (&once->io, fd, events);
1276	ev_io_start (EV_A_ &once->io);	1636	ev_io_start (EV_A_ &once->io);
1277	}	1637	}
1278		1638
1279	ev_watcher_init (&once->to, once_cb_to);	1639	ev_init (&once->to, once_cb_to);
1280	if (timeout >= 0.)	1640	if (timeout >= 0.)
1281	{	1641	{
1282	ev_timer_set (&once->to, timeout, 0.);	1642	ev_timer_set (&once->to, timeout, 0.);
1283	ev_timer_start (EV_A_ &once->to);	1643	ev_timer_start (EV_A_ &once->to);
1284	}	1644	}
1285	}	1645	}
1286	}	1646	}
1287		1647
1288	/*****************************************************************************/	1648	#ifdef __cplusplus
1289
1290	#if 0
1291
1292	struct ev_io wio;
1293
1294	static void
1295	sin_cb (struct ev_io *w, int revents)
1296	{
1297	fprintf (stderr, "sin %d, revents %d\n", w->fd, revents);
1298	}	1649	}
1299
1300	static void
1301	ocb (struct ev_timer *w, int revents)
1302	{
1303	//fprintf (stderr, "timer %f,%f (%x) (%f) d%p\n", w->at, w->repeat, revents, w->at - ev_time (), w->data);
1304	ev_timer_stop (w);
1305	ev_timer_start (w);
1306	}
1307
1308	static void
1309	scb (struct ev_signal *w, int revents)
1310	{
1311	fprintf (stderr, "signal %x,%d\n", revents, w->signum);
1312	ev_io_stop (&wio);
1313	ev_io_start (&wio);
1314	}
1315
1316	static void
1317	gcb (struct ev_signal *w, int revents)
1318	{
1319	fprintf (stderr, "generic %x\n", revents);
1320
1321	}
1322
1323	int main (void)
1324	{
1325	ev_init (0);
1326
1327	ev_io_init (&wio, sin_cb, 0, EV_READ);
1328	ev_io_start (&wio);
1329
1330	struct ev_timer t[10000];
1331
1332	#if 0
1333	int i;
1334	for (i = 0; i < 10000; ++i)
1335	{
1336	struct ev_timer *w = t + i;
1337	ev_watcher_init (w, ocb, i);
1338	ev_timer_init_abs (w, ocb, drand48 (), 0.99775533);
1339	ev_timer_start (w);
1340	if (drand48 () < 0.5)
1341	ev_timer_stop (w);
1342	}
1343	#endif	1650	#endif
1344		1651
1345	struct ev_timer t1;
1346	ev_timer_init (&t1, ocb, 5, 10);
1347	ev_timer_start (&t1);
1348
1349	struct ev_signal sig;
1350	ev_signal_init (&sig, scb, SIGQUIT);
1351	ev_signal_start (&sig);
1352
1353	struct ev_check cw;
1354	ev_check_init (&cw, gcb);
1355	ev_check_start (&cw);
1356
1357	struct ev_idle iw;
1358	ev_idle_init (&iw, gcb);
1359	ev_idle_start (&iw);
1360
1361	ev_loop (0);
1362
1363	return 0;
1364	}
1365
1366	#endif
1367
1368
1369
1370

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Comparing libev/ev.c (file contents): Revision 1.51 by root, Sat Nov 3 21:58:51 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 1.51 by root, Sat Nov 3 21:58:51 2007 UTC vs.
Revision 1.116 by root, Thu Nov 15 09:19:42 2007 UTC