[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 1.122 by root, Sat Nov 17 02:00:48 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
		64	# if HAVE_PORT_H && HAVE_PORT_CREATE && !defined (EV_USE_PORT)
		65	# define EV_USE_PORT 1
		66	# endif
		67
33	#endif	68	#endif
34		69
35	#include <math.h>	70	#include <math.h>
36	#include <stdlib.h>	71	#include <stdlib.h>
37	#include <unistd.h>
38	#include <fcntl.h>	72	#include <fcntl.h>
39	#include <signal.h>
40	#include <stddef.h>	73	#include <stddef.h>
41		74
42	#include <stdio.h>	75	#include <stdio.h>
43		76
44	#include <assert.h>	77	#include <assert.h>
45	#include <errno.h>	78	#include <errno.h>
46	#include <sys/types.h>	79	#include <sys/types.h>
		80	#include <time.h>
		81
		82	#include <signal.h>
		83
47	#ifndef WIN32	84	#ifndef _WIN32
		85	# include <unistd.h>
		86	# include <sys/time.h>
48	# include <sys/wait.h>	87	# include <sys/wait.h>
		88	#else
		89	# define WIN32_LEAN_AND_MEAN
		90	# include <windows.h>
		91	# ifndef EV_SELECT_IS_WINSOCKET
		92	# define EV_SELECT_IS_WINSOCKET 1
49	#endif	93	# endif
50	#include <sys/time.h>	94	#endif
51	#include <time.h>
52		95
53	/**/	96	/**/
54		97
55	#ifndef EV_USE_MONOTONIC	98	#ifndef EV_USE_MONOTONIC
56	# define EV_USE_MONOTONIC 1	99	# define EV_USE_MONOTONIC 0
		100	#endif
		101
		102	#ifndef EV_USE_REALTIME
		103	# define EV_USE_REALTIME 0
57	#endif	104	#endif
58		105
59	#ifndef EV_USE_SELECT	106	#ifndef EV_USE_SELECT
60	# define EV_USE_SELECT 1	107	# define EV_USE_SELECT 1
61	#endif	108	#endif
62		109
63	#ifndef EV_USEV_POLL	110	#ifndef EV_USE_POLL
64	# define EV_USEV_POLL 0 /* poll is usually slower than select, and not as well tested */	111	# ifdef _WIN32
		112	# define EV_USE_POLL 0
		113	# else
		114	# define EV_USE_POLL 1
		115	# endif
65	#endif	116	#endif
66		117
67	#ifndef EV_USE_EPOLL	118	#ifndef EV_USE_EPOLL
68	# define EV_USE_EPOLL 0	119	# define EV_USE_EPOLL 0
69	#endif	120	#endif
70		121
71	#ifndef EV_USE_KQUEUE	122	#ifndef EV_USE_KQUEUE
72	# define EV_USE_KQUEUE 0	123	# define EV_USE_KQUEUE 0
73	#endif	124	#endif
74		125
75	#ifndef EV_USE_REALTIME	126	#ifndef EV_USE_PORT
76	# define EV_USE_REALTIME 1	127	# define EV_USE_PORT 0
77	#endif	128	#endif
78		129
79	/**/	130	/**/
		131
		132	/* darwin simply cannot be helped */
		133	#ifdef __APPLE__
		134	# undef EV_USE_POLL
		135	# undef EV_USE_KQUEUE
		136	#endif
80		137
81	#ifndef CLOCK_MONOTONIC	138	#ifndef CLOCK_MONOTONIC
82	# undef EV_USE_MONOTONIC	139	# undef EV_USE_MONOTONIC
83	# define EV_USE_MONOTONIC 0	140	# define EV_USE_MONOTONIC 0
84	#endif	141	#endif
…		…
86	#ifndef CLOCK_REALTIME	143	#ifndef CLOCK_REALTIME
87	# undef EV_USE_REALTIME	144	# undef EV_USE_REALTIME
88	# define EV_USE_REALTIME 0	145	# define EV_USE_REALTIME 0
89	#endif	146	#endif
90		147
		148	#if EV_SELECT_IS_WINSOCKET
		149	# include <winsock.h>
		150	#endif
		151
91	/**/	152	/**/
92		153
93	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */	154	#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) */	155	#define MAX_BLOCKTIME 59.743 /* 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 */	156	#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 */	157	/#define CLEANUP_INTERVAL (MAX_BLOCKTIME 5.) /* how often to try to free memory and re-check fds */
97		158
		159	#ifdef EV_H
		160	# include EV_H
		161	#else
98	#include "ev.h"	162	# include "ev.h"
		163	#endif
99		164
100	#if __GNUC__ >= 3	165	#if __GNUC__ >= 3
101	# define expect(expr,value) __builtin_expect ((expr),(value))	166	# define expect(expr,value) __builtin_expect ((expr),(value))
102	# define inline inline	167	# define inline inline
103	#else	168	#else
…		…
109	#define expect_true(expr) expect ((expr) != 0, 1)	174	#define expect_true(expr) expect ((expr) != 0, 1)
110		175
111	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	176	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
112	#define ABSPRI(w) ((w)->priority - EV_MINPRI)	177	#define ABSPRI(w) ((w)->priority - EV_MINPRI)
113		178
		179	#define EMPTY0 /* required for microsofts broken pseudo-c compiler */
		180	#define EMPTY2(a,b) /* used to suppress some warnings */
		181
114	typedef struct ev_watcher *W;	182	typedef struct ev_watcher *W;
115	typedef struct ev_watcher_list *WL;	183	typedef struct ev_watcher_list *WL;
116	typedef struct ev_watcher_time *WT;	184	typedef struct ev_watcher_time *WT;
117		185
118	static ev_tstamp now_floor, mn_now, diff; /* monotonic clock */	186	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
119	static ev_tstamp rt_now;
120	static int method;
121		187
122	static int have_monotonic; /* runtime */	188	#ifdef _WIN32
123		189	# 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	190	#endif
156		191
157	/*****************************************************************************/	192	/*****************************************************************************/
158		193
159	inline ev_tstamp	194	static void (syserr_cb)(const char msg);
		195
		196	void ev_set_syserr_cb (void (cb)(const char msg))
		197	{
		198	syserr_cb = cb;
		199	}
		200
		201	static void
		202	syserr (const char *msg)
		203	{
		204	if (!msg)
		205	msg = "(libev) system error";
		206
		207	if (syserr_cb)
		208	syserr_cb (msg);
		209	else
		210	{
		211	perror (msg);
		212	abort ();
		213	}
		214	}
		215
		216	static void (alloc)(void *ptr, long size);
		217
		218	void ev_set_allocator (void (cb)(void *ptr, long size))
		219	{
		220	alloc = cb;
		221	}
		222
		223	static void *
		224	ev_realloc (void *ptr, long size)
		225	{
		226	ptr = alloc ? alloc (ptr, size) : realloc (ptr, size);
		227
		228	if (!ptr && size)
		229	{
		230	fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);
		231	abort ();
		232	}
		233
		234	return ptr;
		235	}
		236
		237	#define ev_malloc(size) ev_realloc (0, (size))
		238	#define ev_free(ptr) ev_realloc ((ptr), 0)
		239
		240	/*****************************************************************************/
		241
		242	typedef struct
		243	{
		244	WL head;
		245	unsigned char events;
		246	unsigned char reify;
		247	#if EV_SELECT_IS_WINSOCKET
		248	SOCKET handle;
		249	#endif
		250	} ANFD;
		251
		252	typedef struct
		253	{
		254	W w;
		255	int events;
		256	} ANPENDING;
		257
		258	#if EV_MULTIPLICITY
		259
		260	struct ev_loop
		261	{
		262	ev_tstamp ev_rt_now;
		263	#define ev_rt_now ((loop)->ev_rt_now)
		264	#define VAR(name,decl) decl;
		265	#include "ev_vars.h"
		266	#undef VAR
		267	};
		268	#include "ev_wrap.h"
		269
		270	static struct ev_loop default_loop_struct;
		271	struct ev_loop *ev_default_loop_ptr;
		272
		273	#else
		274
		275	ev_tstamp ev_rt_now;
		276	#define VAR(name,decl) static decl;
		277	#include "ev_vars.h"
		278	#undef VAR
		279
		280	static int ev_default_loop_ptr;
		281
		282	#endif
		283
		284	/*****************************************************************************/
		285
		286	ev_tstamp
160	ev_time (void)	287	ev_time (void)
161	{	288	{
162	#if EV_USE_REALTIME	289	#if EV_USE_REALTIME
163	struct timespec ts;	290	struct timespec ts;
164	clock_gettime (CLOCK_REALTIME, &ts);	291	clock_gettime (CLOCK_REALTIME, &ts);
…		…
183	#endif	310	#endif
184		311
185	return ev_time ();	312	return ev_time ();
186	}	313	}
187		314
		315	#if EV_MULTIPLICITY
188	ev_tstamp	316	ev_tstamp
189	ev_now (EV_P)	317	ev_now (EV_P)
190	{	318	{
191	return rt_now;	319	return ev_rt_now;
192	}	320	}
		321	#endif
193		322
194	#define array_roundsize(base,n) ((n) \| 4 & ~3)	323	#define array_roundsize(type,n) (((n) \| 4) & ~3)
195		324
196	#define array_needsize(base,cur,cnt,init) \	325	#define array_needsize(type,base,cur,cnt,init) \
197	if (expect_false ((cnt) > cur)) \	326	if (expect_false ((cnt) > cur)) \
198	{ \	327	{ \
199	int newcnt = cur; \	328	int newcnt = cur; \
200	do \	329	do \
201	{ \	330	{ \
202	newcnt = array_roundsize (base, newcnt << 1); \	331	newcnt = array_roundsize (type, newcnt << 1); \
203	} \	332	} \
204	while ((cnt) > newcnt); \	333	while ((cnt) > newcnt); \
205	\	334	\
206	base = realloc (base, sizeof (base) (newcnt)); \	335	base = (type )ev_realloc (base, sizeof (type) (newcnt));\
207	init (base + cur, newcnt - cur); \	336	init (base + cur, newcnt - cur); \
208	cur = newcnt; \	337	cur = newcnt; \
209	}	338	}
		339
		340	#define array_slim(type,stem) \
		341	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \
		342	{ \
		343	stem ## max = array_roundsize (stem ## cnt >> 1); \
		344	base = (type )ev_realloc (base, sizeof (type) (stem ## max));\
		345	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/D/\
		346	}
		347
		348	#define array_free(stem, idx) \
		349	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;
210		350
211	/*****************************************************************************/	351	/*****************************************************************************/
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		352
223	static void	353	static void
224	anfds_init (ANFD *base, int count)	354	anfds_init (ANFD *base, int count)
225	{	355	{
226	while (count--)	356	while (count--)
…		…
231		361
232	++base;	362	++base;
233	}	363	}
234	}	364	}
235		365
236	typedef struct	366	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)	367	ev_feed_event (EV_P_ void *w, int revents)
247	{	368	{
		369	W w_ = (W)w;
		370
248	if (w->pending)	371	if (w_->pending)
249	{	372	{
250	pendings [ABSPRI (w)][w->pending - 1].events \|= events;	373	pendings [ABSPRI (w_)][w_->pending - 1].events \|= revents;
251	return;	374	return;
252	}	375	}
253		376
254	w->pending = ++pendingcnt [ABSPRI (w)];	377	w_->pending = ++pendingcnt [ABSPRI (w_)];
255	array_needsize (pendings [ABSPRI (w)], pendingmax [ABSPRI (w)], pendingcnt [ABSPRI (w)], );	378	array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2);
256	pendings [ABSPRI (w)][w->pending - 1].w = w;	379	pendings [ABSPRI (w_)][w_->pending - 1].w = w_;
257	pendings [ABSPRI (w)][w->pending - 1].events = events;	380	pendings [ABSPRI (w_)][w_->pending - 1].events = revents;
258	}	381	}
259		382
260	static void	383	static void
261	queue_events (EV_P_ W *events, int eventcnt, int type)	384	queue_events (EV_P_ W *events, int eventcnt, int type)
262	{	385	{
263	int i;	386	int i;
264		387
265	for (i = 0; i < eventcnt; ++i)	388	for (i = 0; i < eventcnt; ++i)
266	event (EV_A_ events [i], type);	389	ev_feed_event (EV_A_ events [i], type);
267	}	390	}
268		391
269	static void	392	inline void
270	fd_event (EV_P_ int fd, int events)	393	fd_event (EV_P_ int fd, int revents)
271	{	394	{
272	ANFD *anfd = anfds + fd;	395	ANFD *anfd = anfds + fd;
273	struct ev_io *w;	396	struct ev_io *w;
274		397
275	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)	398	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)
276	{	399	{
277	int ev = w->events & events;	400	int ev = w->events & revents;
278		401
279	if (ev)	402	if (ev)
280	event (EV_A_ (W)w, ev);	403	ev_feed_event (EV_A_ (W)w, ev);
281	}	404	}
		405	}
		406
		407	void
		408	ev_feed_fd_event (EV_P_ int fd, int revents)
		409	{
		410	fd_event (EV_A_ fd, revents);
282	}	411	}
283		412
284	/*****************************************************************************/	413	/*****************************************************************************/
285
286	static int *fdchanges;
287	static int fdchangemax, fdchangecnt;
288		414
289	static void	415	static void
290	fd_reify (EV_P)	416	fd_reify (EV_P)
291	{	417	{
292	int i;	418	int i;
…		…
300	int events = 0;	426	int events = 0;
301		427
302	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)	428	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)
303	events \|= w->events;	429	events \|= w->events;
304		430
		431	#if EV_SELECT_IS_WINSOCKET
		432	if (events)
		433	{
		434	unsigned long argp;
		435	anfd->handle = _get_osfhandle (fd);
		436	assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0));
		437	}
		438	#endif
		439
305	anfd->reify = 0;	440	anfd->reify = 0;
306		441
307	if (anfd->events != events)
308	{
309	method_modify (EV_A_ fd, anfd->events, events);	442	method_modify (EV_A_ fd, anfd->events, events);
310	anfd->events = events;	443	anfd->events = events;
311	}
312	}	444	}
313		445
314	fdchangecnt = 0;	446	fdchangecnt = 0;
315	}	447	}
316		448
317	static void	449	static void
318	fd_change (EV_P_ int fd)	450	fd_change (EV_P_ int fd)
319	{	451	{
320	if (anfds [fd].reify \|\| fdchangecnt < 0)	452	if (anfds [fd].reify)
321	return;	453	return;
322		454
323	anfds [fd].reify = 1;	455	anfds [fd].reify = 1;
324		456
325	++fdchangecnt;	457	++fdchangecnt;
326	array_needsize (fdchanges, fdchangemax, fdchangecnt, );	458	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);
327	fdchanges [fdchangecnt - 1] = fd;	459	fdchanges [fdchangecnt - 1] = fd;
328	}	460	}
329		461
330	static void	462	static void
331	fd_kill (EV_P_ int fd)	463	fd_kill (EV_P_ int fd)
…		…
333	struct ev_io *w;	465	struct ev_io *w;
334		466
335	while ((w = (struct ev_io *)anfds [fd].head))	467	while ((w = (struct ev_io *)anfds [fd].head))
336	{	468	{
337	ev_io_stop (EV_A_ w);	469	ev_io_stop (EV_A_ w);
338	event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);	470	ev_feed_event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);
339	}	471	}
		472	}
		473
		474	static int
		475	fd_valid (int fd)
		476	{
		477	#ifdef _WIN32
		478	return _get_osfhandle (fd) != -1;
		479	#else
		480	return fcntl (fd, F_GETFD) != -1;
		481	#endif
340	}	482	}
341		483
342	/* called on EBADF to verify fds */	484	/* called on EBADF to verify fds */
343	static void	485	static void
344	fd_ebadf (EV_P)	486	fd_ebadf (EV_P)
345	{	487	{
346	int fd;	488	int fd;
347		489
348	for (fd = 0; fd < anfdmax; ++fd)	490	for (fd = 0; fd < anfdmax; ++fd)
349	if (anfds [fd].events)	491	if (anfds [fd].events)
350	if (fcntl (fd, F_GETFD) == -1 && errno == EBADF)	492	if (!fd_valid (fd) == -1 && errno == EBADF)
351	fd_kill (EV_A_ fd);	493	fd_kill (EV_A_ fd);
352	}	494	}
353		495
354	/* called on ENOMEM in select/poll to kill some fds and retry */	496	/* called on ENOMEM in select/poll to kill some fds and retry */
355	static void	497	static void
356	fd_enomem (EV_P)	498	fd_enomem (EV_P)
357	{	499	{
358	int fd = anfdmax;	500	int fd;
359		501
360	while (fd--)	502	for (fd = anfdmax; fd--; )
361	if (anfds [fd].events)	503	if (anfds [fd].events)
362	{	504	{
363	close (fd);
364	fd_kill (EV_A_ fd);	505	fd_kill (EV_A_ fd);
365	return;	506	return;
366	}	507	}
367	}	508	}
368		509
		510	/* usually called after fork if method needs to re-arm all fds from scratch */
		511	static void
		512	fd_rearm_all (EV_P)
		513	{
		514	int fd;
		515
		516	/* this should be highly optimised to not do anything but set a flag */
		517	for (fd = 0; fd < anfdmax; ++fd)
		518	if (anfds [fd].events)
		519	{
		520	anfds [fd].events = 0;
		521	fd_change (EV_A_ fd);
		522	}
		523	}
		524
369	/*****************************************************************************/	525	/*****************************************************************************/
370		526
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	527	static void
378	upheap (WT *timers, int k)	528	upheap (WT *heap, int k)
379	{	529	{
380	WT w = timers [k];	530	WT w = heap [k];
381		531
382	while (k && timers [k >> 1]->at > w->at)	532	while (k && heap [k >> 1]->at > w->at)
383	{	533	{
384	timers [k] = timers [k >> 1];	534	heap [k] = heap [k >> 1];
385	timers [k]->active = k + 1;	535	((W)heap [k])->active = k + 1;
386	k >>= 1;	536	k >>= 1;
387	}	537	}
388		538
389	timers [k] = w;	539	heap [k] = w;
390	timers [k]->active = k + 1;	540	((W)heap [k])->active = k + 1;
391		541
392	}	542	}
393		543
394	static void	544	static void
395	downheap (WT *timers, int N, int k)	545	downheap (WT *heap, int N, int k)
396	{	546	{
397	WT w = timers [k];	547	WT w = heap [k];
398		548
399	while (k < (N >> 1))	549	while (k < (N >> 1))
400	{	550	{
401	int j = k << 1;	551	int j = k << 1;
402		552
403	if (j + 1 < N && timers [j]->at > timers [j + 1]->at)	553	if (j + 1 < N && heap [j]->at > heap [j + 1]->at)
404	++j;	554	++j;
405		555
406	if (w->at <= timers [j]->at)	556	if (w->at <= heap [j]->at)
407	break;	557	break;
408		558
409	timers [k] = timers [j];	559	heap [k] = heap [j];
410	timers [k]->active = k + 1;	560	((W)heap [k])->active = k + 1;
411	k = j;	561	k = j;
412	}	562	}
413		563
414	timers [k] = w;	564	heap [k] = w;
415	timers [k]->active = k + 1;	565	((W)heap [k])->active = k + 1;
		566	}
		567
		568	inline void
		569	adjustheap (WT *heap, int N, int k)
		570	{
		571	upheap (heap, k);
		572	downheap (heap, N, k);
416	}	573	}
417		574
418	/*****************************************************************************/	575	/*****************************************************************************/
419		576
420	typedef struct	577	typedef struct
421	{	578	{
422	struct ev_watcher_list *head;	579	WL head;
423	sig_atomic_t volatile gotsig;	580	sig_atomic_t volatile gotsig;
424	} ANSIG;	581	} ANSIG;
425		582
426	static ANSIG *signals;	583	static ANSIG *signals;
427	static int signalmax;	584	static int signalmax;
…		…
443	}	600	}
444		601
445	static void	602	static void
446	sighandler (int signum)	603	sighandler (int signum)
447	{	604	{
		605	#if _WIN32
		606	signal (signum, sighandler);
		607	#endif
		608
448	signals [signum - 1].gotsig = 1;	609	signals [signum - 1].gotsig = 1;
449		610
450	if (!gotsig)	611	if (!gotsig)
451	{	612	{
452	int old_errno = errno;	613	int old_errno = errno;
…		…
454	write (sigpipe [1], &signum, 1);	615	write (sigpipe [1], &signum, 1);
455	errno = old_errno;	616	errno = old_errno;
456	}	617	}
457	}	618	}
458		619
		620	void
		621	ev_feed_signal_event (EV_P_ int signum)
		622	{
		623	WL w;
		624
		625	#if EV_MULTIPLICITY
		626	assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr));
		627	#endif
		628
		629	--signum;
		630
		631	if (signum < 0 \|\| signum >= signalmax)
		632	return;
		633
		634	signals [signum].gotsig = 0;
		635
		636	for (w = signals [signum].head; w; w = w->next)
		637	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
		638	}
		639
459	static void	640	static void
460	sigcb (EV_P_ struct ev_io *iow, int revents)	641	sigcb (EV_P_ struct ev_io *iow, int revents)
461	{	642	{
462	struct ev_watcher_list *w;
463	int signum;	643	int signum;
464		644
465	read (sigpipe [0], &revents, 1);	645	read (sigpipe [0], &revents, 1);
466	gotsig = 0;	646	gotsig = 0;
467		647
468	for (signum = signalmax; signum--; )	648	for (signum = signalmax; signum--; )
469	if (signals [signum].gotsig)	649	if (signals [signum].gotsig)
470	{	650	ev_feed_signal_event (EV_A_ signum + 1);
471	signals [signum].gotsig = 0;	651	}
472		652
473	for (w = signals [signum].head; w; w = w->next)	653	inline void
474	event (EV_A_ (W)w, EV_SIGNAL);	654	fd_intern (int fd)
475	}	655	{
		656	#ifdef _WIN32
		657	int arg = 1;
		658	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
		659	#else
		660	fcntl (fd, F_SETFD, FD_CLOEXEC);
		661	fcntl (fd, F_SETFL, O_NONBLOCK);
		662	#endif
476	}	663	}
477		664
478	static void	665	static void
479	siginit (EV_P)	666	siginit (EV_P)
480	{	667	{
481	#ifndef WIN32	668	fd_intern (sigpipe [0]);
482	fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC);	669	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		670
490	ev_io_set (&sigev, sigpipe [0], EV_READ);	671	ev_io_set (&sigev, sigpipe [0], EV_READ);
491	ev_io_start (&sigev);	672	ev_io_start (EV_A_ &sigev);
		673	ev_unref (EV_A); /* child watcher should not keep loop alive */
492	}	674	}
493		675
494	/*****************************************************************************/	676	/*****************************************************************************/
495		677
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];	678	static struct ev_child *childs [PID_HASHSIZE];
		679
		680	#ifndef _WIN32
		681
508	static struct ev_signal childev;	682	static struct ev_signal childev;
509
510	#ifndef WIN32
511		683
512	#ifndef WCONTINUED	684	#ifndef WCONTINUED
513	# define WCONTINUED 0	685	# define WCONTINUED 0
514	#endif	686	#endif
515		687
…		…
519	struct ev_child *w;	691	struct ev_child *w;
520		692
521	for (w = (struct ev_child )childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child )((WL)w)->next)	693	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)	694	if (w->pid == pid \|\| !w->pid)
523	{	695	{
524	w->priority = sw->priority; /* need to do it now */	696	ev_priority (w) = ev_priority (sw); /* need to do it now */
525	w->rpid = pid;	697	w->rpid = pid;
526	w->rstatus = status;	698	w->rstatus = status;
527	event (EV_A_ (W)w, EV_CHILD);	699	ev_feed_event (EV_A_ (W)w, EV_CHILD);
528	}	700	}
529	}	701	}
530		702
531	static void	703	static void
532	childcb (EV_P_ struct ev_signal *sw, int revents)	704	childcb (EV_P_ struct ev_signal *sw, int revents)
…		…
534	int pid, status;	706	int pid, status;
535		707
536	if (0 < (pid = waitpid (-1, &status, WNOHANG \| WUNTRACED \| WCONTINUED)))	708	if (0 < (pid = waitpid (-1, &status, WNOHANG \| WUNTRACED \| WCONTINUED)))
537	{	709	{
538	/* make sure we are called again until all childs have been reaped */	710	/* make sure we are called again until all childs have been reaped */
539	event (EV_A_ (W)sw, EV_SIGNAL);	711	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
540		712
541	child_reap (EV_A_ sw, pid, pid, status);	713	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 */	714	child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */
543	}	715	}
544	}	716	}
545		717
546	#endif	718	#endif
547		719
548	/*****************************************************************************/	720	/*****************************************************************************/
549		721
		722	#if EV_USE_PORT
		723	# include "ev_port.c"
		724	#endif
550	#if EV_USE_KQUEUE	725	#if EV_USE_KQUEUE
551	# include "ev_kqueue.c"	726	# include "ev_kqueue.c"
552	#endif	727	#endif
553	#if EV_USE_EPOLL	728	#if EV_USE_EPOLL
554	# include "ev_epoll.c"	729	# include "ev_epoll.c"
555	#endif	730	#endif
556	#if EV_USEV_POLL	731	#if EV_USE_POLL
557	# include "ev_poll.c"	732	# include "ev_poll.c"
558	#endif	733	#endif
559	#if EV_USE_SELECT	734	#if EV_USE_SELECT
560	# include "ev_select.c"	735	# include "ev_select.c"
561	#endif	736	#endif
…		…
574		749
575	/* return true if we are running with elevated privileges and should ignore env variables */	750	/* return true if we are running with elevated privileges and should ignore env variables */
576	static int	751	static int
577	enable_secure (void)	752	enable_secure (void)
578	{	753	{
579	#ifdef WIN32	754	#ifdef _WIN32
580	return 0;	755	return 0;
581	#else	756	#else
582	return getuid () != geteuid ()	757	return getuid () != geteuid ()
583	\|\| getgid () != getegid ();	758	\|\| getgid () != getegid ();
584	#endif	759	#endif
585	}	760	}
586		761
587	int	762	unsigned int
588	ev_method (EV_P)	763	ev_method (EV_P)
589	{	764	{
590	return method;	765	return method;
591	}	766	}
592		767
593	int	768	static void
594	ev_init (EV_P_ int methods)	769	loop_init (EV_P_ unsigned int flags)
595	{	770	{
596	if (!method)	771	if (!method)
597	{	772	{
598	#if EV_USE_MONOTONIC	773	#if EV_USE_MONOTONIC
599	{	774	{
…		…
601	if (!clock_gettime (CLOCK_MONOTONIC, &ts))	776	if (!clock_gettime (CLOCK_MONOTONIC, &ts))
602	have_monotonic = 1;	777	have_monotonic = 1;
603	}	778	}
604	#endif	779	#endif
605		780
606	rt_now = ev_time ();	781	ev_rt_now = ev_time ();
607	mn_now = get_clock ();	782	mn_now = get_clock ();
608	now_floor = mn_now;	783	now_floor = mn_now;
609	diff = rt_now - mn_now;	784	rtmn_diff = ev_rt_now - mn_now;
610		785
611	if (pipe (sigpipe))	786	if (!(flags & EVFLAG_NOENV) && !enable_secure () && getenv ("LIBEV_FLAGS"))
612	return 0;	787	flags = atoi (getenv ("LIBEV_FLAGS"));
613		788
614	if (methods == EVMETHOD_AUTO)	789	if (!(flags & 0x0000ffff))
615	if (!enable_secure () && getenv ("LIBmethodS"))	790	flags \|= 0x0000ffff;
616	methods = atoi (getenv ("LIBmethodS"));
617	else
618	methods = EVMETHOD_ANY;
619		791
620	method = 0;	792	method = 0;
		793	#if EV_USE_PORT
		794	if (!method && (flags & EVMETHOD_PORT )) method = port_init (EV_A_ flags);
		795	#endif
621	#if EV_USE_KQUEUE	796	#if EV_USE_KQUEUE
622	if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods);	797	if (!method && (flags & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ flags);
623	#endif	798	#endif
624	#if EV_USE_EPOLL	799	#if EV_USE_EPOLL
625	if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods);	800	if (!method && (flags & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ flags);
626	#endif	801	#endif
627	#if EV_USEV_POLL	802	#if EV_USE_POLL
628	if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods);	803	if (!method && (flags & EVMETHOD_POLL )) method = poll_init (EV_A_ flags);
629	#endif	804	#endif
630	#if EV_USE_SELECT	805	#if EV_USE_SELECT
631	if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods);	806	if (!method && (flags & EVMETHOD_SELECT)) method = select_init (EV_A_ flags);
632	#endif	807	#endif
633		808
		809	ev_init (&sigev, sigcb);
		810	ev_set_priority (&sigev, EV_MAXPRI);
		811	}
		812	}
		813
		814	void
		815	loop_destroy (EV_P)
		816	{
		817	int i;
		818
		819	#if EV_USE_PORT
		820	if (method == EVMETHOD_PORT ) port_destroy (EV_A);
		821	#endif
		822	#if EV_USE_KQUEUE
		823	if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);
		824	#endif
		825	#if EV_USE_EPOLL
		826	if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A);
		827	#endif
		828	#if EV_USE_POLL
		829	if (method == EVMETHOD_POLL ) poll_destroy (EV_A);
		830	#endif
		831	#if EV_USE_SELECT
		832	if (method == EVMETHOD_SELECT) select_destroy (EV_A);
		833	#endif
		834
		835	for (i = NUMPRI; i--; )
		836	array_free (pending, [i]);
		837
		838	/* have to use the microsoft-never-gets-it-right macro */
		839	array_free (fdchange, EMPTY0);
		840	array_free (timer, EMPTY0);
		841	#if EV_PERIODICS
		842	array_free (periodic, EMPTY0);
		843	#endif
		844	array_free (idle, EMPTY0);
		845	array_free (prepare, EMPTY0);
		846	array_free (check, EMPTY0);
		847
		848	method = 0;
		849	}
		850
		851	static void
		852	loop_fork (EV_P)
		853	{
		854	#if EV_USE_PORT
		855	if (method == EVMETHOD_PORT ) port_fork (EV_A);
		856	#endif
		857	#if EV_USE_KQUEUE
		858	if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A);
		859	#endif
		860	#if EV_USE_EPOLL
		861	if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A);
		862	#endif
		863
		864	if (ev_is_active (&sigev))
		865	{
		866	/* default loop */
		867
		868	ev_ref (EV_A);
		869	ev_io_stop (EV_A_ &sigev);
		870	close (sigpipe [0]);
		871	close (sigpipe [1]);
		872
		873	while (pipe (sigpipe))
		874	syserr ("(libev) error creating pipe");
		875
		876	siginit (EV_A);
		877	}
		878
		879	postfork = 0;
		880	}
		881
		882	#if EV_MULTIPLICITY
		883	struct ev_loop *
		884	ev_loop_new (unsigned int flags)
		885	{
		886	struct ev_loop loop = (struct ev_loop )ev_malloc (sizeof (struct ev_loop));
		887
		888	memset (loop, 0, sizeof (struct ev_loop));
		889
		890	loop_init (EV_A_ flags);
		891
		892	if (ev_method (EV_A))
		893	return loop;
		894
		895	return 0;
		896	}
		897
		898	void
		899	ev_loop_destroy (EV_P)
		900	{
		901	loop_destroy (EV_A);
		902	ev_free (loop);
		903	}
		904
		905	void
		906	ev_loop_fork (EV_P)
		907	{
		908	postfork = 1;
		909	}
		910
		911	#endif
		912
		913	#if EV_MULTIPLICITY
		914	struct ev_loop *
		915	ev_default_loop_ (unsigned int flags)
		916	#else
		917	int
		918	ev_default_loop (unsigned int flags)
		919	#endif
		920	{
		921	if (sigpipe [0] == sigpipe [1])
		922	if (pipe (sigpipe))
		923	return 0;
		924
		925	if (!ev_default_loop_ptr)
		926	{
		927	#if EV_MULTIPLICITY
		928	struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct;
		929	#else
		930	ev_default_loop_ptr = 1;
		931	#endif
		932
		933	loop_init (EV_A_ flags);
		934
634	if (method)	935	if (ev_method (EV_A))
635	{	936	{
636	ev_watcher_init (&sigev, sigcb);
637	ev_set_priority (&sigev, EV_MAXPRI);
638	siginit (EV_A);	937	siginit (EV_A);
639		938
640	#ifndef WIN32	939	#ifndef _WIN32
641	ev_signal_init (&childev, childcb, SIGCHLD);	940	ev_signal_init (&childev, childcb, SIGCHLD);
642	ev_set_priority (&childev, EV_MAXPRI);	941	ev_set_priority (&childev, EV_MAXPRI);
643	ev_signal_start (EV_A_ &childev);	942	ev_signal_start (EV_A_ &childev);
		943	ev_unref (EV_A); /* child watcher should not keep loop alive */
644	#endif	944	#endif
645	}	945	}
		946	else
		947	ev_default_loop_ptr = 0;
646	}	948	}
647		949
648	return method;	950	return ev_default_loop_ptr;
		951	}
		952
		953	void
		954	ev_default_destroy (void)
		955	{
		956	#if EV_MULTIPLICITY
		957	struct ev_loop *loop = ev_default_loop_ptr;
		958	#endif
		959
		960	#ifndef _WIN32
		961	ev_ref (EV_A); /* child watcher */
		962	ev_signal_stop (EV_A_ &childev);
		963	#endif
		964
		965	ev_ref (EV_A); /* signal watcher */
		966	ev_io_stop (EV_A_ &sigev);
		967
		968	close (sigpipe [0]); sigpipe [0] = 0;
		969	close (sigpipe [1]); sigpipe [1] = 0;
		970
		971	loop_destroy (EV_A);
		972	}
		973
		974	void
		975	ev_default_fork (void)
		976	{
		977	#if EV_MULTIPLICITY
		978	struct ev_loop *loop = ev_default_loop_ptr;
		979	#endif
		980
		981	if (method)
		982	postfork = 1;
649	}	983	}
650		984
651	/*****************************************************************************/	985	/*****************************************************************************/
652		986
653	void
654	ev_fork_prepare (void)
655	{
656	/* nop */
657	}
658
659	void
660	ev_fork_parent (void)
661	{
662	/* nop */
663	}
664
665	void
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	}
679
680	/*****************************************************************************/
681
682	static void	987	static int
		988	any_pending (EV_P)
		989	{
		990	int pri;
		991
		992	for (pri = NUMPRI; pri--; )
		993	if (pendingcnt [pri])
		994	return 1;
		995
		996	return 0;
		997	}
		998
		999	inline void
683	call_pending (EV_P)	1000	call_pending (EV_P)
684	{	1001	{
685	int pri;	1002	int pri;
686		1003
687	for (pri = NUMPRI; pri--; )	1004	for (pri = NUMPRI; pri--; )
688	while (pendingcnt [pri])	1005	while (pendingcnt [pri])
689	{	1006	{
690	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	1007	ANPENDING *p = pendings [pri] + --pendingcnt [pri];
691		1008
692	if (p->w)	1009	if (expect_true (p->w))
693	{	1010	{
694	p->w->pending = 0;	1011	p->w->pending = 0;
695	p->w->cb (EV_A_ p->w, p->events);	1012	EV_CB_INVOKE (p->w, p->events);
696	}	1013	}
697	}	1014	}
698	}	1015	}
699		1016
700	static void	1017	static void
701	timers_reify (EV_P)	1018	timers_reify (EV_P)
702	{	1019	{
703	while (timercnt && timers [0]->at <= mn_now)	1020	while (timercnt && ((WT)timers [0])->at <= mn_now)
704	{	1021	{
705	struct ev_timer *w = timers [0];	1022	struct ev_timer *w = timers [0];
		1023
		1024	assert (("inactive timer on timer heap detected", ev_is_active (w)));
706		1025
707	/* first reschedule or stop timer */	1026	/* first reschedule or stop timer */
708	if (w->repeat)	1027	if (w->repeat)
709	{	1028	{
710	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));	1029	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
		1030
711	w->at = mn_now + w->repeat;	1031	((WT)w)->at += w->repeat;
		1032	if (((WT)w)->at < mn_now)
		1033	((WT)w)->at = mn_now;
		1034
712	downheap ((WT *)timers, timercnt, 0);	1035	downheap ((WT *)timers, timercnt, 0);
713	}	1036	}
714	else	1037	else
715	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */	1038	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
716		1039
717	event ((W)w, EV_TIMEOUT);	1040	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
718	}	1041	}
719	}	1042	}
720		1043
		1044	#if EV_PERIODICS
721	static void	1045	static void
722	periodics_reify (EV_P)	1046	periodics_reify (EV_P)
723	{	1047	{
724	while (periodiccnt && periodics [0]->at <= rt_now)	1048	while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)
725	{	1049	{
726	struct ev_periodic *w = periodics [0];	1050	struct ev_periodic *w = periodics [0];
727		1051
		1052	assert (("inactive timer on periodic heap detected", ev_is_active (w)));
		1053
728	/* first reschedule or stop timer */	1054	/* first reschedule or stop timer */
729	if (w->interval)	1055	if (w->reschedule_cb)
730	{	1056	{
		1057	((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001);
		1058	assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));
		1059	downheap ((WT *)periodics, periodiccnt, 0);
		1060	}
		1061	else if (w->interval)
		1062	{
731	w->at += floor ((rt_now - w->at) / w->interval + 1.) * w->interval;	1063	((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));	1064	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);	1065	downheap ((WT *)periodics, periodiccnt, 0);
734	}	1066	}
735	else	1067	else
736	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */	1068	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
737		1069
738	event (EV_A_ (W)w, EV_PERIODIC);	1070	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
739	}	1071	}
740	}	1072	}
741		1073
742	static void	1074	static void
743	periodics_reschedule (EV_P_ ev_tstamp diff)	1075	periodics_reschedule (EV_P)
744	{	1076	{
745	int i;	1077	int i;
746		1078
747	/* adjust periodics after time jump */	1079	/* adjust periodics after time jump */
748	for (i = 0; i < periodiccnt; ++i)	1080	for (i = 0; i < periodiccnt; ++i)
749	{	1081	{
750	struct ev_periodic *w = periodics [i];	1082	struct ev_periodic *w = periodics [i];
751		1083
		1084	if (w->reschedule_cb)
		1085	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
752	if (w->interval)	1086	else if (w->interval)
753	{
754	ev_tstamp diff = ceil ((rt_now - w->at) / w->interval) * w->interval;	1087	((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	}	1088	}
		1089
		1090	/* now rebuild the heap */
		1091	for (i = periodiccnt >> 1; i--; )
		1092	downheap ((WT *)periodics, periodiccnt, i);
765	}	1093	}
		1094	#endif
766		1095
767	inline int	1096	inline int
768	time_update_monotonic (EV_P)	1097	time_update_monotonic (EV_P)
769	{	1098	{
770	mn_now = get_clock ();	1099	mn_now = get_clock ();
771		1100
772	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))	1101	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
773	{	1102	{
774	rt_now = mn_now + diff;	1103	ev_rt_now = rtmn_diff + mn_now;
775	return 0;	1104	return 0;
776	}	1105	}
777	else	1106	else
778	{	1107	{
779	now_floor = mn_now;	1108	now_floor = mn_now;
780	rt_now = ev_time ();	1109	ev_rt_now = ev_time ();
781	return 1;	1110	return 1;
782	}	1111	}
783	}	1112	}
784		1113
785	static void	1114	static void
…		…
790	#if EV_USE_MONOTONIC	1119	#if EV_USE_MONOTONIC
791	if (expect_true (have_monotonic))	1120	if (expect_true (have_monotonic))
792	{	1121	{
793	if (time_update_monotonic (EV_A))	1122	if (time_update_monotonic (EV_A))
794	{	1123	{
795	ev_tstamp odiff = diff;	1124	ev_tstamp odiff = rtmn_diff;
796		1125
797	for (i = 4; --i; ) /* loop a few times, before making important decisions */	1126	for (i = 4; --i; ) /* loop a few times, before making important decisions */
798	{	1127	{
799	diff = rt_now - mn_now;	1128	rtmn_diff = ev_rt_now - mn_now;
800		1129
801	if (fabs (odiff - diff) < MIN_TIMEJUMP)	1130	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)
802	return; /* all is well */	1131	return; /* all is well */
803		1132
804	rt_now = ev_time ();	1133	ev_rt_now = ev_time ();
805	mn_now = get_clock ();	1134	mn_now = get_clock ();
806	now_floor = mn_now;	1135	now_floor = mn_now;
807	}	1136	}
808		1137
		1138	# if EV_PERIODICS
809	periodics_reschedule (EV_A_ diff - odiff);	1139	periodics_reschedule (EV_A);
		1140	# endif
810	/* no timer adjustment, as the monotonic clock doesn't jump */	1141	/* no timer adjustment, as the monotonic clock doesn't jump */
		1142	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */
811	}	1143	}
812	}	1144	}
813	else	1145	else
814	#endif	1146	#endif
815	{	1147	{
816	rt_now = ev_time ();	1148	ev_rt_now = ev_time ();
817		1149
818	if (expect_false (mn_now > rt_now \|\| mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))	1150	if (expect_false (mn_now > ev_rt_now \|\| mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))
819	{	1151	{
		1152	#if EV_PERIODICS
820	periodics_reschedule (EV_A_ rt_now - mn_now);	1153	periodics_reschedule (EV_A);
		1154	#endif
821		1155
822	/* adjust timers. this is easy, as the offset is the same for all */	1156	/* adjust timers. this is easy, as the offset is the same for all */
823	for (i = 0; i < timercnt; ++i)	1157	for (i = 0; i < timercnt; ++i)
824	timers [i]->at += diff;	1158	((WT)timers [i])->at += ev_rt_now - mn_now;
825	}	1159	}
826		1160
827	mn_now = rt_now;	1161	mn_now = ev_rt_now;
828	}	1162	}
829	}	1163	}
830		1164
831	void	1165	void
832	ev_ref (EV_P)	1166	ev_ref (EV_P)
…		…
846	ev_loop (EV_P_ int flags)	1180	ev_loop (EV_P_ int flags)
847	{	1181	{
848	double block;	1182	double block;
849	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;	1183	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;
850		1184
851	do	1185	while (activecnt)
852	{	1186	{
853	/* queue check watchers (and execute them) */	1187	/* queue check watchers (and execute them) */
854	if (expect_false (preparecnt))	1188	if (expect_false (preparecnt))
855	{	1189	{
856	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	1190	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
857	call_pending (EV_A);	1191	call_pending (EV_A);
858	}	1192	}
859		1193
		1194	/* we might have forked, so reify kernel state if necessary */
		1195	if (expect_false (postfork))
		1196	loop_fork (EV_A);
		1197
860	/* update fd-related kernel structures */	1198	/* update fd-related kernel structures */
861	fd_reify (EV_A);	1199	fd_reify (EV_A);
862		1200
863	/* calculate blocking time */	1201	/* calculate blocking time */
864		1202
865	/* we only need this for !monotonic clockor timers, but as we basically	1203	/* we only need this for !monotonic clock or timers, but as we basically
866	always have timers, we just calculate it always */	1204	always have timers, we just calculate it always */
867	#if EV_USE_MONOTONIC	1205	#if EV_USE_MONOTONIC
868	if (expect_true (have_monotonic))	1206	if (expect_true (have_monotonic))
869	time_update_monotonic (EV_A);	1207	time_update_monotonic (EV_A);
870	else	1208	else
871	#endif	1209	#endif
872	{	1210	{
873	rt_now = ev_time ();	1211	ev_rt_now = ev_time ();
874	mn_now = rt_now;	1212	mn_now = ev_rt_now;
875	}	1213	}
876		1214
877	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)	1215	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)
878	block = 0.;	1216	block = 0.;
879	else	1217	else
880	{	1218	{
881	block = MAX_BLOCKTIME;	1219	block = MAX_BLOCKTIME;
882		1220
883	if (timercnt)	1221	if (timercnt)
884	{	1222	{
885	ev_tstamp to = timers [0]->at - mn_now + method_fudge;	1223	ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge;
886	if (block > to) block = to;	1224	if (block > to) block = to;
887	}	1225	}
888		1226
		1227	#if EV_PERIODICS
889	if (periodiccnt)	1228	if (periodiccnt)
890	{	1229	{
891	ev_tstamp to = periodics [0]->at - rt_now + method_fudge;	1230	ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge;
892	if (block > to) block = to;	1231	if (block > to) block = to;
893	}	1232	}
		1233	#endif
894		1234
895	if (block < 0.) block = 0.;	1235	if (block < 0.) block = 0.;
896	}	1236	}
897		1237
898	method_poll (EV_A_ block);	1238	method_poll (EV_A_ block);
899		1239
900	/* update rt_now, do magic */	1240	/* update ev_rt_now, do magic */
901	time_update (EV_A);	1241	time_update (EV_A);
902		1242
903	/* queue pending timers and reschedule them */	1243	/* queue pending timers and reschedule them */
904	timers_reify (EV_A); /* relative timers called last */	1244	timers_reify (EV_A); /* relative timers called last */
		1245	#if EV_PERIODICS
905	periodics_reify (EV_A); /* absolute timers called first */	1246	periodics_reify (EV_A); /* absolute timers called first */
		1247	#endif
906		1248
907	/* queue idle watchers unless io or timers are pending */	1249	/* queue idle watchers unless io or timers are pending */
908	if (!pendingcnt)	1250	if (idlecnt && !any_pending (EV_A))
909	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);	1251	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);
910		1252
911	/* queue check watchers, to be executed first */	1253	/* queue check watchers, to be executed first */
912	if (checkcnt)	1254	if (checkcnt)
913	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	1255	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
914		1256
915	call_pending (EV_A);	1257	call_pending (EV_A);
916	printf ("activecnt %d\n", activecnt);//D	1258
		1259	if (loop_done)
		1260	break;
917	}	1261	}
918	while (activecnt && !loop_done);
919		1262
920	if (loop_done != 2)	1263	if (loop_done != 2)
921	loop_done = 0;	1264	loop_done = 0;
922	}	1265	}
923		1266
…		…
989	return;	1332	return;
990		1333
991	assert (("ev_io_start called with negative fd", fd >= 0));	1334	assert (("ev_io_start called with negative fd", fd >= 0));
992		1335
993	ev_start (EV_A_ (W)w, 1);	1336	ev_start (EV_A_ (W)w, 1);
994	array_needsize (anfds, anfdmax, fd + 1, anfds_init);	1337	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);
995	wlist_add ((WL *)&anfds[fd].head, (WL)w);	1338	wlist_add ((WL *)&anfds[fd].head, (WL)w);
996		1339
997	fd_change (EV_A_ fd);	1340	fd_change (EV_A_ fd);
998	}	1341	}
999		1342
…		…
1002	{	1345	{
1003	ev_clear_pending (EV_A_ (W)w);	1346	ev_clear_pending (EV_A_ (W)w);
1004	if (!ev_is_active (w))	1347	if (!ev_is_active (w))
1005	return;	1348	return;
1006		1349
		1350	assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
		1351
1007	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);	1352	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);
1008	ev_stop (EV_A_ (W)w);	1353	ev_stop (EV_A_ (W)w);
1009		1354
1010	fd_change (EV_A_ w->fd);	1355	fd_change (EV_A_ w->fd);
1011	}	1356	}
…		…
1014	ev_timer_start (EV_P_ struct ev_timer *w)	1359	ev_timer_start (EV_P_ struct ev_timer *w)
1015	{	1360	{
1016	if (ev_is_active (w))	1361	if (ev_is_active (w))
1017	return;	1362	return;
1018		1363
1019	w->at += mn_now;	1364	((WT)w)->at += mn_now;
1020		1365
1021	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	1366	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
1022		1367
1023	ev_start (EV_A_ (W)w, ++timercnt);	1368	ev_start (EV_A_ (W)w, ++timercnt);
1024	array_needsize (timers, timermax, timercnt, );	1369	array_needsize (struct ev_timer *, timers, timermax, timercnt, EMPTY2);
1025	timers [timercnt - 1] = w;	1370	timers [timercnt - 1] = w;
1026	upheap ((WT *)timers, timercnt - 1);	1371	upheap ((WT *)timers, timercnt - 1);
		1372
		1373	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1027	}	1374	}
1028		1375
1029	void	1376	void
1030	ev_timer_stop (EV_P_ struct ev_timer *w)	1377	ev_timer_stop (EV_P_ struct ev_timer *w)
1031	{	1378	{
1032	ev_clear_pending (EV_A_ (W)w);	1379	ev_clear_pending (EV_A_ (W)w);
1033	if (!ev_is_active (w))	1380	if (!ev_is_active (w))
1034	return;	1381	return;
1035		1382
		1383	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
		1384
1036	if (w->active < timercnt--)	1385	if (((W)w)->active < timercnt--)
1037	{	1386	{
1038	timers [w->active - 1] = timers [timercnt];	1387	timers [((W)w)->active - 1] = timers [timercnt];
1039	downheap ((WT *)timers, timercnt, w->active - 1);	1388	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1040	}	1389	}
1041		1390
1042	w->at = w->repeat;	1391	((WT)w)->at -= mn_now;
1043		1392
1044	ev_stop (EV_A_ (W)w);	1393	ev_stop (EV_A_ (W)w);
1045	}	1394	}
1046		1395
1047	void	1396	void
…		…
1049	{	1398	{
1050	if (ev_is_active (w))	1399	if (ev_is_active (w))
1051	{	1400	{
1052	if (w->repeat)	1401	if (w->repeat)
1053	{	1402	{
1054	w->at = mn_now + w->repeat;	1403	((WT)w)->at = mn_now + w->repeat;
1055	downheap ((WT *)timers, timercnt, w->active - 1);	1404	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1056	}	1405	}
1057	else	1406	else
1058	ev_timer_stop (EV_A_ w);	1407	ev_timer_stop (EV_A_ w);
1059	}	1408	}
1060	else if (w->repeat)	1409	else if (w->repeat)
		1410	{
		1411	w->at = w->repeat;
1061	ev_timer_start (EV_A_ w);	1412	ev_timer_start (EV_A_ w);
		1413	}
1062	}	1414	}
1063		1415
		1416	#if EV_PERIODICS
1064	void	1417	void
1065	ev_periodic_start (EV_P_ struct ev_periodic *w)	1418	ev_periodic_start (EV_P_ struct ev_periodic *w)
1066	{	1419	{
1067	if (ev_is_active (w))	1420	if (ev_is_active (w))
1068	return;	1421	return;
1069		1422
		1423	if (w->reschedule_cb)
		1424	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
		1425	else if (w->interval)
		1426	{
1070	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));	1427	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 */	1428	/* 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;	1429	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;
		1430	}
1075		1431
1076	ev_start (EV_A_ (W)w, ++periodiccnt);	1432	ev_start (EV_A_ (W)w, ++periodiccnt);
1077	array_needsize (periodics, periodicmax, periodiccnt, );	1433	array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2);
1078	periodics [periodiccnt - 1] = w;	1434	periodics [periodiccnt - 1] = w;
1079	upheap ((WT *)periodics, periodiccnt - 1);	1435	upheap ((WT *)periodics, periodiccnt - 1);
		1436
		1437	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1080	}	1438	}
1081		1439
1082	void	1440	void
1083	ev_periodic_stop (EV_P_ struct ev_periodic *w)	1441	ev_periodic_stop (EV_P_ struct ev_periodic *w)
1084	{	1442	{
1085	ev_clear_pending (EV_A_ (W)w);	1443	ev_clear_pending (EV_A_ (W)w);
1086	if (!ev_is_active (w))	1444	if (!ev_is_active (w))
1087	return;	1445	return;
1088		1446
		1447	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
		1448
1089	if (w->active < periodiccnt--)	1449	if (((W)w)->active < periodiccnt--)
1090	{	1450	{
1091	periodics [w->active - 1] = periodics [periodiccnt];	1451	periodics [((W)w)->active - 1] = periodics [periodiccnt];
1092	downheap ((WT *)periodics, periodiccnt, w->active - 1);	1452	adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);
1093	}	1453	}
1094		1454
		1455	ev_stop (EV_A_ (W)w);
		1456	}
		1457
		1458	void
		1459	ev_periodic_again (EV_P_ struct ev_periodic *w)
		1460	{
		1461	/* TODO: use adjustheap and recalculation */
		1462	ev_periodic_stop (EV_A_ w);
		1463	ev_periodic_start (EV_A_ w);
		1464	}
		1465	#endif
		1466
		1467	void
		1468	ev_idle_start (EV_P_ struct ev_idle *w)
		1469	{
		1470	if (ev_is_active (w))
		1471	return;
		1472
		1473	ev_start (EV_A_ (W)w, ++idlecnt);
		1474	array_needsize (struct ev_idle *, idles, idlemax, idlecnt, EMPTY2);
		1475	idles [idlecnt - 1] = w;
		1476	}
		1477
		1478	void
		1479	ev_idle_stop (EV_P_ struct ev_idle *w)
		1480	{
		1481	ev_clear_pending (EV_A_ (W)w);
		1482	if (!ev_is_active (w))
		1483	return;
		1484
		1485	idles [((W)w)->active - 1] = idles [--idlecnt];
		1486	ev_stop (EV_A_ (W)w);
		1487	}
		1488
		1489	void
		1490	ev_prepare_start (EV_P_ struct ev_prepare *w)
		1491	{
		1492	if (ev_is_active (w))
		1493	return;
		1494
		1495	ev_start (EV_A_ (W)w, ++preparecnt);
		1496	array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);
		1497	prepares [preparecnt - 1] = w;
		1498	}
		1499
		1500	void
		1501	ev_prepare_stop (EV_P_ struct ev_prepare *w)
		1502	{
		1503	ev_clear_pending (EV_A_ (W)w);
		1504	if (!ev_is_active (w))
		1505	return;
		1506
		1507	prepares [((W)w)->active - 1] = prepares [--preparecnt];
		1508	ev_stop (EV_A_ (W)w);
		1509	}
		1510
		1511	void
		1512	ev_check_start (EV_P_ struct ev_check *w)
		1513	{
		1514	if (ev_is_active (w))
		1515	return;
		1516
		1517	ev_start (EV_A_ (W)w, ++checkcnt);
		1518	array_needsize (struct ev_check *, checks, checkmax, checkcnt, EMPTY2);
		1519	checks [checkcnt - 1] = w;
		1520	}
		1521
		1522	void
		1523	ev_check_stop (EV_P_ struct ev_check *w)
		1524	{
		1525	ev_clear_pending (EV_A_ (W)w);
		1526	if (!ev_is_active (w))
		1527	return;
		1528
		1529	checks [((W)w)->active - 1] = checks [--checkcnt];
1095	ev_stop (EV_A_ (W)w);	1530	ev_stop (EV_A_ (W)w);
1096	}	1531	}
1097		1532
1098	#ifndef SA_RESTART	1533	#ifndef SA_RESTART
1099	# define SA_RESTART 0	1534	# define SA_RESTART 0
1100	#endif	1535	#endif
1101		1536
1102	void	1537	void
1103	ev_signal_start (EV_P_ struct ev_signal *w)	1538	ev_signal_start (EV_P_ struct ev_signal *w)
1104	{	1539	{
		1540	#if EV_MULTIPLICITY
		1541	assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));
		1542	#endif
1105	if (ev_is_active (w))	1543	if (ev_is_active (w))
1106	return;	1544	return;
1107		1545
1108	assert (("ev_signal_start called with illegal signal number", w->signum > 0));	1546	assert (("ev_signal_start called with illegal signal number", w->signum > 0));
1109		1547
1110	ev_start (EV_A_ (W)w, 1);	1548	ev_start (EV_A_ (W)w, 1);
1111	array_needsize (signals, signalmax, w->signum, signals_init);	1549	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
1112	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);	1550	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
1113		1551
1114	if (!w->next)	1552	if (!((WL)w)->next)
1115	{	1553	{
		1554	#if _WIN32
		1555	signal (w->signum, sighandler);
		1556	#else
1116	struct sigaction sa;	1557	struct sigaction sa;
1117	sa.sa_handler = sighandler;	1558	sa.sa_handler = sighandler;
1118	sigfillset (&sa.sa_mask);	1559	sigfillset (&sa.sa_mask);
1119	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */	1560	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
1120	sigaction (w->signum, &sa, 0);	1561	sigaction (w->signum, &sa, 0);
		1562	#endif
1121	}	1563	}
1122	}	1564	}
1123		1565
1124	void	1566	void
1125	ev_signal_stop (EV_P_ struct ev_signal *w)	1567	ev_signal_stop (EV_P_ struct ev_signal *w)
…		…
1134	if (!signals [w->signum - 1].head)	1576	if (!signals [w->signum - 1].head)
1135	signal (w->signum, SIG_DFL);	1577	signal (w->signum, SIG_DFL);
1136	}	1578	}
1137		1579
1138	void	1580	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)	1581	ev_child_start (EV_P_ struct ev_child *w)
1206	{	1582	{
		1583	#if EV_MULTIPLICITY
		1584	assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
		1585	#endif
1207	if (ev_is_active (w))	1586	if (ev_is_active (w))
1208	return;	1587	return;
1209		1588
1210	ev_start (EV_A_ (W)w, 1);	1589	ev_start (EV_A_ (W)w, 1);
1211	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1590	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
…		…
1213		1592
1214	void	1593	void
1215	ev_child_stop (EV_P_ struct ev_child *w)	1594	ev_child_stop (EV_P_ struct ev_child *w)
1216	{	1595	{
1217	ev_clear_pending (EV_A_ (W)w);	1596	ev_clear_pending (EV_A_ (W)w);
1218	if (ev_is_active (w))	1597	if (!ev_is_active (w))
1219	return;	1598	return;
1220		1599
1221	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1600	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1222	ev_stop (EV_A_ (W)w);	1601	ev_stop (EV_A_ (W)w);
1223	}	1602	}
…		…
1238	void (cb)(int revents, void arg) = once->cb;	1617	void (cb)(int revents, void arg) = once->cb;
1239	void *arg = once->arg;	1618	void *arg = once->arg;
1240		1619
1241	ev_io_stop (EV_A_ &once->io);	1620	ev_io_stop (EV_A_ &once->io);
1242	ev_timer_stop (EV_A_ &once->to);	1621	ev_timer_stop (EV_A_ &once->to);
1243	free (once);	1622	ev_free (once);
1244		1623
1245	cb (revents, arg);	1624	cb (revents, arg);
1246	}	1625	}
1247		1626
1248	static void	1627	static void
…		…
1258	}	1637	}
1259		1638
1260	void	1639	void
1261	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)	1640	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)
1262	{	1641	{
1263	struct ev_once *once = malloc (sizeof (struct ev_once));	1642	struct ev_once once = (struct ev_once )ev_malloc (sizeof (struct ev_once));
1264		1643
1265	if (!once)	1644	if (!once)
1266	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);	1645	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);
1267	else	1646	else
1268	{	1647	{
1269	once->cb = cb;	1648	once->cb = cb;
1270	once->arg = arg;	1649	once->arg = arg;
1271		1650
1272	ev_watcher_init (&once->io, once_cb_io);	1651	ev_init (&once->io, once_cb_io);
1273	if (fd >= 0)	1652	if (fd >= 0)
1274	{	1653	{
1275	ev_io_set (&once->io, fd, events);	1654	ev_io_set (&once->io, fd, events);
1276	ev_io_start (EV_A_ &once->io);	1655	ev_io_start (EV_A_ &once->io);
1277	}	1656	}
1278		1657
1279	ev_watcher_init (&once->to, once_cb_to);	1658	ev_init (&once->to, once_cb_to);
1280	if (timeout >= 0.)	1659	if (timeout >= 0.)
1281	{	1660	{
1282	ev_timer_set (&once->to, timeout, 0.);	1661	ev_timer_set (&once->to, timeout, 0.);
1283	ev_timer_start (EV_A_ &once->to);	1662	ev_timer_start (EV_A_ &once->to);
1284	}	1663	}
1285	}	1664	}
1286	}	1665	}
1287		1666
1288	/*****************************************************************************/	1667	#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	}	1668	}
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	1669	#endif
1344		1670
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 1.122 by root, Sat Nov 17 02:00:48 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 1.122 by root, Sat Nov 17 02:00:48 2007 UTC