[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 1.111 by root, Mon Nov 12 06:34:49 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 EMPTY /* required for microsofts broken pseudo-c compiler */
		173
114	typedef struct ev_watcher *W;	174	typedef struct ev_watcher *W;
115	typedef struct ev_watcher_list *WL;	175	typedef struct ev_watcher_list *WL;
116	typedef struct ev_watcher_time *WT;	176	typedef struct ev_watcher_time *WT;
117		177
118	static ev_tstamp now_floor, mn_now, diff; /* monotonic clock */	178	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
119	static ev_tstamp rt_now;
120	static int method;
121		179
122	static int have_monotonic; /* runtime */	180	#ifdef _WIN32
123		181	# 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	182	#endif
156		183
157	/*****************************************************************************/	184	/*****************************************************************************/
158		185
159	inline ev_tstamp	186	static void (syserr_cb)(const char msg);
		187
		188	void ev_set_syserr_cb (void (cb)(const char msg))
		189	{
		190	syserr_cb = cb;
		191	}
		192
		193	static void
		194	syserr (const char *msg)
		195	{
		196	if (!msg)
		197	msg = "(libev) system error";
		198
		199	if (syserr_cb)
		200	syserr_cb (msg);
		201	else
		202	{
		203	perror (msg);
		204	abort ();
		205	}
		206	}
		207
		208	static void (alloc)(void *ptr, long size);
		209
		210	void ev_set_allocator (void (cb)(void *ptr, long size))
		211	{
		212	alloc = cb;
		213	}
		214
		215	static void *
		216	ev_realloc (void *ptr, long size)
		217	{
		218	ptr = alloc ? alloc (ptr, size) : realloc (ptr, size);
		219
		220	if (!ptr && size)
		221	{
		222	fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);
		223	abort ();
		224	}
		225
		226	return ptr;
		227	}
		228
		229	#define ev_malloc(size) ev_realloc (0, (size))
		230	#define ev_free(ptr) ev_realloc ((ptr), 0)
		231
		232	/*****************************************************************************/
		233
		234	typedef struct
		235	{
		236	WL head;
		237	unsigned char events;
		238	unsigned char reify;
		239	#if EV_SELECT_IS_WINSOCKET
		240	SOCKET handle;
		241	#endif
		242	} ANFD;
		243
		244	typedef struct
		245	{
		246	W w;
		247	int events;
		248	} ANPENDING;
		249
		250	#if EV_MULTIPLICITY
		251
		252	struct ev_loop
		253	{
		254	ev_tstamp ev_rt_now;
		255	#define ev_rt_now ((loop)->ev_rt_now)
		256	#define VAR(name,decl) decl;
		257	#include "ev_vars.h"
		258	#undef VAR
		259	};
		260	#include "ev_wrap.h"
		261
		262	struct ev_loop default_loop_struct;
		263	static struct ev_loop *default_loop;
		264
		265	#else
		266
		267	ev_tstamp ev_rt_now;
		268	#define VAR(name,decl) static decl;
		269	#include "ev_vars.h"
		270	#undef VAR
		271
		272	static int default_loop;
		273
		274	#endif
		275
		276	/*****************************************************************************/
		277
		278	ev_tstamp
160	ev_time (void)	279	ev_time (void)
161	{	280	{
162	#if EV_USE_REALTIME	281	#if EV_USE_REALTIME
163	struct timespec ts;	282	struct timespec ts;
164	clock_gettime (CLOCK_REALTIME, &ts);	283	clock_gettime (CLOCK_REALTIME, &ts);
…		…
183	#endif	302	#endif
184		303
185	return ev_time ();	304	return ev_time ();
186	}	305	}
187		306
		307	#if EV_MULTIPLICITY
188	ev_tstamp	308	ev_tstamp
189	ev_now (EV_P)	309	ev_now (EV_P)
190	{	310	{
191	return rt_now;	311	return ev_rt_now;
192	}	312	}
		313	#endif
193		314
194	#define array_roundsize(base,n) ((n) \| 4 & ~3)	315	#define array_roundsize(type,n) (((n) \| 4) & ~3)
195		316
196	#define array_needsize(base,cur,cnt,init) \	317	#define array_needsize(type,base,cur,cnt,init) \
197	if (expect_false ((cnt) > cur)) \	318	if (expect_false ((cnt) > cur)) \
198	{ \	319	{ \
199	int newcnt = cur; \	320	int newcnt = cur; \
200	do \	321	do \
201	{ \	322	{ \
202	newcnt = array_roundsize (base, newcnt << 1); \	323	newcnt = array_roundsize (type, newcnt << 1); \
203	} \	324	} \
204	while ((cnt) > newcnt); \	325	while ((cnt) > newcnt); \
205	\	326	\
206	base = realloc (base, sizeof (base) (newcnt)); \	327	base = (type )ev_realloc (base, sizeof (type) (newcnt));\
207	init (base + cur, newcnt - cur); \	328	init (base + cur, newcnt - cur); \
208	cur = newcnt; \	329	cur = newcnt; \
209	}	330	}
		331
		332	#define array_slim(type,stem) \
		333	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \
		334	{ \
		335	stem ## max = array_roundsize (stem ## cnt >> 1); \
		336	base = (type )ev_realloc (base, sizeof (type) (stem ## max));\
		337	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/D/\
		338	}
		339
		340	#define array_free(stem, idx) \
		341	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;
210		342
211	/*****************************************************************************/	343	/*****************************************************************************/
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		344
223	static void	345	static void
224	anfds_init (ANFD *base, int count)	346	anfds_init (ANFD *base, int count)
225	{	347	{
226	while (count--)	348	while (count--)
…		…
231		353
232	++base;	354	++base;
233	}	355	}
234	}	356	}
235		357
236	typedef struct	358	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)	359	ev_feed_event (EV_P_ void *w, int revents)
247	{	360	{
		361	W w_ = (W)w;
		362
248	if (w->pending)	363	if (w_->pending)
249	{	364	{
250	pendings [ABSPRI (w)][w->pending - 1].events \|= events;	365	pendings [ABSPRI (w_)][w_->pending - 1].events \|= revents;
251	return;	366	return;
252	}	367	}
253		368
254	w->pending = ++pendingcnt [ABSPRI (w)];	369	w_->pending = ++pendingcnt [ABSPRI (w_)];
255	array_needsize (pendings [ABSPRI (w)], pendingmax [ABSPRI (w)], pendingcnt [ABSPRI (w)], );	370	array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], (void));
256	pendings [ABSPRI (w)][w->pending - 1].w = w;	371	pendings [ABSPRI (w_)][w_->pending - 1].w = w_;
257	pendings [ABSPRI (w)][w->pending - 1].events = events;	372	pendings [ABSPRI (w_)][w_->pending - 1].events = revents;
258	}	373	}
259		374
260	static void	375	static void
261	queue_events (EV_P_ W *events, int eventcnt, int type)	376	queue_events (EV_P_ W *events, int eventcnt, int type)
262	{	377	{
263	int i;	378	int i;
264		379
265	for (i = 0; i < eventcnt; ++i)	380	for (i = 0; i < eventcnt; ++i)
266	event (EV_A_ events [i], type);	381	ev_feed_event (EV_A_ events [i], type);
267	}	382	}
268		383
269	static void	384	inline void
270	fd_event (EV_P_ int fd, int events)	385	fd_event (EV_P_ int fd, int revents)
271	{	386	{
272	ANFD *anfd = anfds + fd;	387	ANFD *anfd = anfds + fd;
273	struct ev_io *w;	388	struct ev_io *w;
274		389
275	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)	390	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)
276	{	391	{
277	int ev = w->events & events;	392	int ev = w->events & revents;
278		393
279	if (ev)	394	if (ev)
280	event (EV_A_ (W)w, ev);	395	ev_feed_event (EV_A_ (W)w, ev);
281	}	396	}
		397	}
		398
		399	void
		400	ev_feed_fd_event (EV_P_ int fd, int revents)
		401	{
		402	fd_event (EV_A_ fd, revents);
282	}	403	}
283		404
284	/*****************************************************************************/	405	/*****************************************************************************/
285
286	static int *fdchanges;
287	static int fdchangemax, fdchangecnt;
288		406
289	static void	407	static void
290	fd_reify (EV_P)	408	fd_reify (EV_P)
291	{	409	{
292	int i;	410	int i;
…		…
300	int events = 0;	418	int events = 0;
301		419
302	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)	420	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)
303	events \|= w->events;	421	events \|= w->events;
304		422
		423	#if EV_SELECT_IS_WINSOCKET
		424	if (events)
		425	{
		426	unsigned long argp;
		427	anfd->handle = _get_osfhandle (fd);
		428	assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0));
		429	}
		430	#endif
		431
305	anfd->reify = 0;	432	anfd->reify = 0;
306		433
307	if (anfd->events != events)
308	{
309	method_modify (EV_A_ fd, anfd->events, events);	434	method_modify (EV_A_ fd, anfd->events, events);
310	anfd->events = events;	435	anfd->events = events;
311	}
312	}	436	}
313		437
314	fdchangecnt = 0;	438	fdchangecnt = 0;
315	}	439	}
316		440
317	static void	441	static void
318	fd_change (EV_P_ int fd)	442	fd_change (EV_P_ int fd)
319	{	443	{
320	if (anfds [fd].reify \|\| fdchangecnt < 0)	444	if (anfds [fd].reify)
321	return;	445	return;
322		446
323	anfds [fd].reify = 1;	447	anfds [fd].reify = 1;
324		448
325	++fdchangecnt;	449	++fdchangecnt;
326	array_needsize (fdchanges, fdchangemax, fdchangecnt, );	450	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, (void));
327	fdchanges [fdchangecnt - 1] = fd;	451	fdchanges [fdchangecnt - 1] = fd;
328	}	452	}
329		453
330	static void	454	static void
331	fd_kill (EV_P_ int fd)	455	fd_kill (EV_P_ int fd)
…		…
333	struct ev_io *w;	457	struct ev_io *w;
334		458
335	while ((w = (struct ev_io *)anfds [fd].head))	459	while ((w = (struct ev_io *)anfds [fd].head))
336	{	460	{
337	ev_io_stop (EV_A_ w);	461	ev_io_stop (EV_A_ w);
338	event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);	462	ev_feed_event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);
339	}	463	}
		464	}
		465
		466	static int
		467	fd_valid (int fd)
		468	{
		469	#ifdef _WIN32
		470	return _get_osfhandle (fd) != -1;
		471	#else
		472	return fcntl (fd, F_GETFD) != -1;
		473	#endif
340	}	474	}
341		475
342	/* called on EBADF to verify fds */	476	/* called on EBADF to verify fds */
343	static void	477	static void
344	fd_ebadf (EV_P)	478	fd_ebadf (EV_P)
345	{	479	{
346	int fd;	480	int fd;
347		481
348	for (fd = 0; fd < anfdmax; ++fd)	482	for (fd = 0; fd < anfdmax; ++fd)
349	if (anfds [fd].events)	483	if (anfds [fd].events)
350	if (fcntl (fd, F_GETFD) == -1 && errno == EBADF)	484	if (!fd_valid (fd) == -1 && errno == EBADF)
351	fd_kill (EV_A_ fd);	485	fd_kill (EV_A_ fd);
352	}	486	}
353		487
354	/* called on ENOMEM in select/poll to kill some fds and retry */	488	/* called on ENOMEM in select/poll to kill some fds and retry */
355	static void	489	static void
356	fd_enomem (EV_P)	490	fd_enomem (EV_P)
357	{	491	{
358	int fd = anfdmax;	492	int fd;
359		493
360	while (fd--)	494	for (fd = anfdmax; fd--; )
361	if (anfds [fd].events)	495	if (anfds [fd].events)
362	{	496	{
363	close (fd);
364	fd_kill (EV_A_ fd);	497	fd_kill (EV_A_ fd);
365	return;	498	return;
366	}	499	}
367	}	500	}
368		501
		502	/* usually called after fork if method needs to re-arm all fds from scratch */
		503	static void
		504	fd_rearm_all (EV_P)
		505	{
		506	int fd;
		507
		508	/* this should be highly optimised to not do anything but set a flag */
		509	for (fd = 0; fd < anfdmax; ++fd)
		510	if (anfds [fd].events)
		511	{
		512	anfds [fd].events = 0;
		513	fd_change (EV_A_ fd);
		514	}
		515	}
		516
369	/*****************************************************************************/	517	/*****************************************************************************/
370		518
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	519	static void
378	upheap (WT *timers, int k)	520	upheap (WT *heap, int k)
379	{	521	{
380	WT w = timers [k];	522	WT w = heap [k];
381		523
382	while (k && timers [k >> 1]->at > w->at)	524	while (k && heap [k >> 1]->at > w->at)
383	{	525	{
384	timers [k] = timers [k >> 1];	526	heap [k] = heap [k >> 1];
385	timers [k]->active = k + 1;	527	((W)heap [k])->active = k + 1;
386	k >>= 1;	528	k >>= 1;
387	}	529	}
388		530
389	timers [k] = w;	531	heap [k] = w;
390	timers [k]->active = k + 1;	532	((W)heap [k])->active = k + 1;
391		533
392	}	534	}
393		535
394	static void	536	static void
395	downheap (WT *timers, int N, int k)	537	downheap (WT *heap, int N, int k)
396	{	538	{
397	WT w = timers [k];	539	WT w = heap [k];
398		540
399	while (k < (N >> 1))	541	while (k < (N >> 1))
400	{	542	{
401	int j = k << 1;	543	int j = k << 1;
402		544
403	if (j + 1 < N && timers [j]->at > timers [j + 1]->at)	545	if (j + 1 < N && heap [j]->at > heap [j + 1]->at)
404	++j;	546	++j;
405		547
406	if (w->at <= timers [j]->at)	548	if (w->at <= heap [j]->at)
407	break;	549	break;
408		550
409	timers [k] = timers [j];	551	heap [k] = heap [j];
410	timers [k]->active = k + 1;	552	((W)heap [k])->active = k + 1;
411	k = j;	553	k = j;
412	}	554	}
413		555
414	timers [k] = w;	556	heap [k] = w;
415	timers [k]->active = k + 1;	557	((W)heap [k])->active = k + 1;
		558	}
		559
		560	inline void
		561	adjustheap (WT *heap, int N, int k)
		562	{
		563	upheap (heap, k);
		564	downheap (heap, N, k);
416	}	565	}
417		566
418	/*****************************************************************************/	567	/*****************************************************************************/
419		568
420	typedef struct	569	typedef struct
421	{	570	{
422	struct ev_watcher_list *head;	571	WL head;
423	sig_atomic_t volatile gotsig;	572	sig_atomic_t volatile gotsig;
424	} ANSIG;	573	} ANSIG;
425		574
426	static ANSIG *signals;	575	static ANSIG *signals;
427	static int signalmax;	576	static int signalmax;
…		…
443	}	592	}
444		593
445	static void	594	static void
446	sighandler (int signum)	595	sighandler (int signum)
447	{	596	{
		597	#if _WIN32
		598	signal (signum, sighandler);
		599	#endif
		600
448	signals [signum - 1].gotsig = 1;	601	signals [signum - 1].gotsig = 1;
449		602
450	if (!gotsig)	603	if (!gotsig)
451	{	604	{
452	int old_errno = errno;	605	int old_errno = errno;
…		…
454	write (sigpipe [1], &signum, 1);	607	write (sigpipe [1], &signum, 1);
455	errno = old_errno;	608	errno = old_errno;
456	}	609	}
457	}	610	}
458		611
		612	void
		613	ev_feed_signal_event (EV_P_ int signum)
		614	{
		615	WL w;
		616
		617	#if EV_MULTIPLICITY
		618	assert (("feeding signal events is only supported in the default loop", loop == default_loop));
		619	#endif
		620
		621	--signum;
		622
		623	if (signum < 0 \|\| signum >= signalmax)
		624	return;
		625
		626	signals [signum].gotsig = 0;
		627
		628	for (w = signals [signum].head; w; w = w->next)
		629	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
		630	}
		631
459	static void	632	static void
460	sigcb (EV_P_ struct ev_io *iow, int revents)	633	sigcb (EV_P_ struct ev_io *iow, int revents)
461	{	634	{
462	struct ev_watcher_list *w;
463	int signum;	635	int signum;
464		636
465	read (sigpipe [0], &revents, 1);	637	read (sigpipe [0], &revents, 1);
466	gotsig = 0;	638	gotsig = 0;
467		639
468	for (signum = signalmax; signum--; )	640	for (signum = signalmax; signum--; )
469	if (signals [signum].gotsig)	641	if (signals [signum].gotsig)
470	{	642	ev_feed_signal_event (EV_A_ signum + 1);
471	signals [signum].gotsig = 0;	643	}
472		644
473	for (w = signals [signum].head; w; w = w->next)	645	inline void
474	event (EV_A_ (W)w, EV_SIGNAL);	646	fd_intern (int fd)
475	}	647	{
		648	#ifdef _WIN32
		649	int arg = 1;
		650	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
		651	#else
		652	fcntl (fd, F_SETFD, FD_CLOEXEC);
		653	fcntl (fd, F_SETFL, O_NONBLOCK);
		654	#endif
476	}	655	}
477		656
478	static void	657	static void
479	siginit (EV_P)	658	siginit (EV_P)
480	{	659	{
481	#ifndef WIN32	660	fd_intern (sigpipe [0]);
482	fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC);	661	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		662
490	ev_io_set (&sigev, sigpipe [0], EV_READ);	663	ev_io_set (&sigev, sigpipe [0], EV_READ);
491	ev_io_start (&sigev);	664	ev_io_start (EV_A_ &sigev);
		665	ev_unref (EV_A); /* child watcher should not keep loop alive */
492	}	666	}
493		667
494	/*****************************************************************************/	668	/*****************************************************************************/
495		669
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];	670	static struct ev_child *childs [PID_HASHSIZE];
		671
		672	#ifndef _WIN32
		673
508	static struct ev_signal childev;	674	static struct ev_signal childev;
509
510	#ifndef WIN32
511		675
512	#ifndef WCONTINUED	676	#ifndef WCONTINUED
513	# define WCONTINUED 0	677	# define WCONTINUED 0
514	#endif	678	#endif
515		679
…		…
519	struct ev_child *w;	683	struct ev_child *w;
520		684
521	for (w = (struct ev_child )childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child )((WL)w)->next)	685	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)	686	if (w->pid == pid \|\| !w->pid)
523	{	687	{
524	w->priority = sw->priority; /* need to do it now */	688	ev_priority (w) = ev_priority (sw); /* need to do it now */
525	w->rpid = pid;	689	w->rpid = pid;
526	w->rstatus = status;	690	w->rstatus = status;
527	event (EV_A_ (W)w, EV_CHILD);	691	ev_feed_event (EV_A_ (W)w, EV_CHILD);
528	}	692	}
529	}	693	}
530		694
531	static void	695	static void
532	childcb (EV_P_ struct ev_signal *sw, int revents)	696	childcb (EV_P_ struct ev_signal *sw, int revents)
…		…
534	int pid, status;	698	int pid, status;
535		699
536	if (0 < (pid = waitpid (-1, &status, WNOHANG \| WUNTRACED \| WCONTINUED)))	700	if (0 < (pid = waitpid (-1, &status, WNOHANG \| WUNTRACED \| WCONTINUED)))
537	{	701	{
538	/* make sure we are called again until all childs have been reaped */	702	/* make sure we are called again until all childs have been reaped */
539	event (EV_A_ (W)sw, EV_SIGNAL);	703	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
540		704
541	child_reap (EV_A_ sw, pid, pid, status);	705	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 */	706	child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */
543	}	707	}
544	}	708	}
…		…
551	# include "ev_kqueue.c"	715	# include "ev_kqueue.c"
552	#endif	716	#endif
553	#if EV_USE_EPOLL	717	#if EV_USE_EPOLL
554	# include "ev_epoll.c"	718	# include "ev_epoll.c"
555	#endif	719	#endif
556	#if EV_USEV_POLL	720	#if EV_USE_POLL
557	# include "ev_poll.c"	721	# include "ev_poll.c"
558	#endif	722	#endif
559	#if EV_USE_SELECT	723	#if EV_USE_SELECT
560	# include "ev_select.c"	724	# include "ev_select.c"
561	#endif	725	#endif
…		…
574		738
575	/* return true if we are running with elevated privileges and should ignore env variables */	739	/* return true if we are running with elevated privileges and should ignore env variables */
576	static int	740	static int
577	enable_secure (void)	741	enable_secure (void)
578	{	742	{
579	#ifdef WIN32	743	#ifdef _WIN32
580	return 0;	744	return 0;
581	#else	745	#else
582	return getuid () != geteuid ()	746	return getuid () != geteuid ()
583	\|\| getgid () != getegid ();	747	\|\| getgid () != getegid ();
584	#endif	748	#endif
585	}	749	}
586		750
587	int	751	unsigned int
588	ev_method (EV_P)	752	ev_method (EV_P)
589	{	753	{
590	return method;	754	return method;
591	}	755	}
592		756
593	int	757	static void
594	ev_init (EV_P_ int methods)	758	loop_init (EV_P_ unsigned int flags)
595	{	759	{
596	if (!method)	760	if (!method)
597	{	761	{
598	#if EV_USE_MONOTONIC	762	#if EV_USE_MONOTONIC
599	{	763	{
…		…
601	if (!clock_gettime (CLOCK_MONOTONIC, &ts))	765	if (!clock_gettime (CLOCK_MONOTONIC, &ts))
602	have_monotonic = 1;	766	have_monotonic = 1;
603	}	767	}
604	#endif	768	#endif
605		769
606	rt_now = ev_time ();	770	ev_rt_now = ev_time ();
607	mn_now = get_clock ();	771	mn_now = get_clock ();
608	now_floor = mn_now;	772	now_floor = mn_now;
609	diff = rt_now - mn_now;	773	rtmn_diff = ev_rt_now - mn_now;
610		774
611	if (pipe (sigpipe))	775	if (!(flags & EVMETHOD_NOENV) && !enable_secure () && getenv ("LIBEV_FLAGS"))
612	return 0;	776	flags = atoi (getenv ("LIBEV_FLAGS"));
613		777
614	if (methods == EVMETHOD_AUTO)	778	if (!(flags & 0x0000ffff))
615	if (!enable_secure () && getenv ("LIBmethodS"))	779	flags \|= 0x0000ffff;
616	methods = atoi (getenv ("LIBmethodS"));
617	else
618	methods = EVMETHOD_ANY;
619		780
620	method = 0;	781	method = 0;
621	#if EV_USE_KQUEUE	782	#if EV_USE_KQUEUE
622	if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods);	783	if (!method && (flags & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ flags);
623	#endif	784	#endif
624	#if EV_USE_EPOLL	785	#if EV_USE_EPOLL
625	if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods);	786	if (!method && (flags & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ flags);
626	#endif	787	#endif
627	#if EV_USEV_POLL	788	#if EV_USE_POLL
628	if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods);	789	if (!method && (flags & EVMETHOD_POLL )) method = poll_init (EV_A_ flags);
629	#endif	790	#endif
630	#if EV_USE_SELECT	791	#if EV_USE_SELECT
631	if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods);	792	if (!method && (flags & EVMETHOD_SELECT)) method = select_init (EV_A_ flags);
632	#endif	793	#endif
633		794
		795	ev_init (&sigev, sigcb);
		796	ev_set_priority (&sigev, EV_MAXPRI);
		797	}
		798	}
		799
		800	void
		801	loop_destroy (EV_P)
		802	{
		803	int i;
		804
		805	#if EV_USE_KQUEUE
		806	if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);
		807	#endif
		808	#if EV_USE_EPOLL
		809	if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A);
		810	#endif
		811	#if EV_USE_POLL
		812	if (method == EVMETHOD_POLL ) poll_destroy (EV_A);
		813	#endif
		814	#if EV_USE_SELECT
		815	if (method == EVMETHOD_SELECT) select_destroy (EV_A);
		816	#endif
		817
		818	for (i = NUMPRI; i--; )
		819	array_free (pending, [i]);
		820
		821	/* have to use the microsoft-never-gets-it-right macro */
		822	array_free (fdchange, EMPTY);
		823	array_free (timer, EMPTY);
		824	#if EV_PERIODICS
		825	array_free (periodic, EMPTY);
		826	#endif
		827	array_free (idle, EMPTY);
		828	array_free (prepare, EMPTY);
		829	array_free (check, EMPTY);
		830
		831	method = 0;
		832	}
		833
		834	static void
		835	loop_fork (EV_P)
		836	{
		837	#if EV_USE_EPOLL
		838	if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A);
		839	#endif
		840	#if EV_USE_KQUEUE
		841	if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A);
		842	#endif
		843
		844	if (ev_is_active (&sigev))
		845	{
		846	/* default loop */
		847
		848	ev_ref (EV_A);
		849	ev_io_stop (EV_A_ &sigev);
		850	close (sigpipe [0]);
		851	close (sigpipe [1]);
		852
		853	while (pipe (sigpipe))
		854	syserr ("(libev) error creating pipe");
		855
		856	siginit (EV_A);
		857	}
		858
		859	postfork = 0;
		860	}
		861
		862	#if EV_MULTIPLICITY
		863	struct ev_loop *
		864	ev_loop_new (unsigned int flags)
		865	{
		866	struct ev_loop loop = (struct ev_loop )ev_malloc (sizeof (struct ev_loop));
		867
		868	memset (loop, 0, sizeof (struct ev_loop));
		869
		870	loop_init (EV_A_ flags);
		871
		872	if (ev_method (EV_A))
		873	return loop;
		874
		875	return 0;
		876	}
		877
		878	void
		879	ev_loop_destroy (EV_P)
		880	{
		881	loop_destroy (EV_A);
		882	ev_free (loop);
		883	}
		884
		885	void
		886	ev_loop_fork (EV_P)
		887	{
		888	postfork = 1;
		889	}
		890
		891	#endif
		892
		893	#if EV_MULTIPLICITY
		894	struct ev_loop *
		895	#else
		896	int
		897	#endif
		898	ev_default_loop (unsigned int flags)
		899	{
		900	if (sigpipe [0] == sigpipe [1])
		901	if (pipe (sigpipe))
		902	return 0;
		903
		904	if (!default_loop)
		905	{
		906	#if EV_MULTIPLICITY
		907	struct ev_loop *loop = default_loop = &default_loop_struct;
		908	#else
		909	default_loop = 1;
		910	#endif
		911
		912	loop_init (EV_A_ flags);
		913
634	if (method)	914	if (ev_method (EV_A))
635	{	915	{
636	ev_watcher_init (&sigev, sigcb);
637	ev_set_priority (&sigev, EV_MAXPRI);
638	siginit (EV_A);	916	siginit (EV_A);
639		917
640	#ifndef WIN32	918	#ifndef _WIN32
641	ev_signal_init (&childev, childcb, SIGCHLD);	919	ev_signal_init (&childev, childcb, SIGCHLD);
642	ev_set_priority (&childev, EV_MAXPRI);	920	ev_set_priority (&childev, EV_MAXPRI);
643	ev_signal_start (EV_A_ &childev);	921	ev_signal_start (EV_A_ &childev);
		922	ev_unref (EV_A); /* child watcher should not keep loop alive */
644	#endif	923	#endif
645	}	924	}
		925	else
		926	default_loop = 0;
646	}	927	}
647		928
648	return method;	929	return default_loop;
		930	}
		931
		932	void
		933	ev_default_destroy (void)
		934	{
		935	#if EV_MULTIPLICITY
		936	struct ev_loop *loop = default_loop;
		937	#endif
		938
		939	#ifndef _WIN32
		940	ev_ref (EV_A); /* child watcher */
		941	ev_signal_stop (EV_A_ &childev);
		942	#endif
		943
		944	ev_ref (EV_A); /* signal watcher */
		945	ev_io_stop (EV_A_ &sigev);
		946
		947	close (sigpipe [0]); sigpipe [0] = 0;
		948	close (sigpipe [1]); sigpipe [1] = 0;
		949
		950	loop_destroy (EV_A);
		951	}
		952
		953	void
		954	ev_default_fork (void)
		955	{
		956	#if EV_MULTIPLICITY
		957	struct ev_loop *loop = default_loop;
		958	#endif
		959
		960	if (method)
		961	postfork = 1;
649	}	962	}
650		963
651	/*****************************************************************************/	964	/*****************************************************************************/
652		965
653	void	966	static int
654	ev_fork_prepare (void)	967	any_pending (EV_P)
655	{	968	{
656	/* nop */	969	int pri;
657	}
658		970
659	void	971	for (pri = NUMPRI; pri--; )
660	ev_fork_parent (void)	972	if (pendingcnt [pri])
661	{	973	return 1;
662	/* nop */
663	}
664		974
665	void	975	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	}	976	}
679
680	/*****************************************************************************/
681		977
682	static void	978	static void
683	call_pending (EV_P)	979	call_pending (EV_P)
684	{	980	{
685	int pri;	981	int pri;
…		…
690	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	986	ANPENDING *p = pendings [pri] + --pendingcnt [pri];
691		987
692	if (p->w)	988	if (p->w)
693	{	989	{
694	p->w->pending = 0;	990	p->w->pending = 0;
695	p->w->cb (EV_A_ p->w, p->events);	991	EV_CB_INVOKE (p->w, p->events);
696	}	992	}
697	}	993	}
698	}	994	}
699		995
700	static void	996	static void
701	timers_reify (EV_P)	997	timers_reify (EV_P)
702	{	998	{
703	while (timercnt && timers [0]->at <= mn_now)	999	while (timercnt && ((WT)timers [0])->at <= mn_now)
704	{	1000	{
705	struct ev_timer *w = timers [0];	1001	struct ev_timer *w = timers [0];
		1002
		1003	assert (("inactive timer on timer heap detected", ev_is_active (w)));
706		1004
707	/* first reschedule or stop timer */	1005	/* first reschedule or stop timer */
708	if (w->repeat)	1006	if (w->repeat)
709	{	1007	{
710	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));	1008	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
		1009
711	w->at = mn_now + w->repeat;	1010	((WT)w)->at += w->repeat;
		1011	if (((WT)w)->at < mn_now)
		1012	((WT)w)->at = mn_now;
		1013
712	downheap ((WT *)timers, timercnt, 0);	1014	downheap ((WT *)timers, timercnt, 0);
713	}	1015	}
714	else	1016	else
715	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */	1017	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
716		1018
717	event ((W)w, EV_TIMEOUT);	1019	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
718	}	1020	}
719	}	1021	}
720		1022
		1023	#if EV_PERIODICS
721	static void	1024	static void
722	periodics_reify (EV_P)	1025	periodics_reify (EV_P)
723	{	1026	{
724	while (periodiccnt && periodics [0]->at <= rt_now)	1027	while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)
725	{	1028	{
726	struct ev_periodic *w = periodics [0];	1029	struct ev_periodic *w = periodics [0];
727		1030
		1031	assert (("inactive timer on periodic heap detected", ev_is_active (w)));
		1032
728	/* first reschedule or stop timer */	1033	/* first reschedule or stop timer */
729	if (w->interval)	1034	if (w->reschedule_cb)
730	{	1035	{
		1036	((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001);
		1037	assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));
		1038	downheap ((WT *)periodics, periodiccnt, 0);
		1039	}
		1040	else if (w->interval)
		1041	{
731	w->at += floor ((rt_now - w->at) / w->interval + 1.) * w->interval;	1042	((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));	1043	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);	1044	downheap ((WT *)periodics, periodiccnt, 0);
734	}	1045	}
735	else	1046	else
736	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */	1047	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
737		1048
738	event (EV_A_ (W)w, EV_PERIODIC);	1049	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
739	}	1050	}
740	}	1051	}
741		1052
742	static void	1053	static void
743	periodics_reschedule (EV_P_ ev_tstamp diff)	1054	periodics_reschedule (EV_P)
744	{	1055	{
745	int i;	1056	int i;
746		1057
747	/* adjust periodics after time jump */	1058	/* adjust periodics after time jump */
748	for (i = 0; i < periodiccnt; ++i)	1059	for (i = 0; i < periodiccnt; ++i)
749	{	1060	{
750	struct ev_periodic *w = periodics [i];	1061	struct ev_periodic *w = periodics [i];
751		1062
		1063	if (w->reschedule_cb)
		1064	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
752	if (w->interval)	1065	else if (w->interval)
753	{
754	ev_tstamp diff = ceil ((rt_now - w->at) / w->interval) * w->interval;	1066	((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	}	1067	}
		1068
		1069	/* now rebuild the heap */
		1070	for (i = periodiccnt >> 1; i--; )
		1071	downheap ((WT *)periodics, periodiccnt, i);
765	}	1072	}
		1073	#endif
766		1074
767	inline int	1075	inline int
768	time_update_monotonic (EV_P)	1076	time_update_monotonic (EV_P)
769	{	1077	{
770	mn_now = get_clock ();	1078	mn_now = get_clock ();
771		1079
772	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))	1080	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
773	{	1081	{
774	rt_now = mn_now + diff;	1082	ev_rt_now = rtmn_diff + mn_now;
775	return 0;	1083	return 0;
776	}	1084	}
777	else	1085	else
778	{	1086	{
779	now_floor = mn_now;	1087	now_floor = mn_now;
780	rt_now = ev_time ();	1088	ev_rt_now = ev_time ();
781	return 1;	1089	return 1;
782	}	1090	}
783	}	1091	}
784		1092
785	static void	1093	static void
…		…
790	#if EV_USE_MONOTONIC	1098	#if EV_USE_MONOTONIC
791	if (expect_true (have_monotonic))	1099	if (expect_true (have_monotonic))
792	{	1100	{
793	if (time_update_monotonic (EV_A))	1101	if (time_update_monotonic (EV_A))
794	{	1102	{
795	ev_tstamp odiff = diff;	1103	ev_tstamp odiff = rtmn_diff;
796		1104
797	for (i = 4; --i; ) /* loop a few times, before making important decisions */	1105	for (i = 4; --i; ) /* loop a few times, before making important decisions */
798	{	1106	{
799	diff = rt_now - mn_now;	1107	rtmn_diff = ev_rt_now - mn_now;
800		1108
801	if (fabs (odiff - diff) < MIN_TIMEJUMP)	1109	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)
802	return; /* all is well */	1110	return; /* all is well */
803		1111
804	rt_now = ev_time ();	1112	ev_rt_now = ev_time ();
805	mn_now = get_clock ();	1113	mn_now = get_clock ();
806	now_floor = mn_now;	1114	now_floor = mn_now;
807	}	1115	}
808		1116
		1117	# if EV_PERIODICS
809	periodics_reschedule (EV_A_ diff - odiff);	1118	periodics_reschedule (EV_A);
		1119	# endif
810	/* no timer adjustment, as the monotonic clock doesn't jump */	1120	/* no timer adjustment, as the monotonic clock doesn't jump */
		1121	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */
811	}	1122	}
812	}	1123	}
813	else	1124	else
814	#endif	1125	#endif
815	{	1126	{
816	rt_now = ev_time ();	1127	ev_rt_now = ev_time ();
817		1128
818	if (expect_false (mn_now > rt_now \|\| mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))	1129	if (expect_false (mn_now > ev_rt_now \|\| mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))
819	{	1130	{
		1131	#if EV_PERIODICS
820	periodics_reschedule (EV_A_ rt_now - mn_now);	1132	periodics_reschedule (EV_A);
		1133	#endif
821		1134
822	/* adjust timers. this is easy, as the offset is the same for all */	1135	/* adjust timers. this is easy, as the offset is the same for all */
823	for (i = 0; i < timercnt; ++i)	1136	for (i = 0; i < timercnt; ++i)
824	timers [i]->at += diff;	1137	((WT)timers [i])->at += ev_rt_now - mn_now;
825	}	1138	}
826		1139
827	mn_now = rt_now;	1140	mn_now = ev_rt_now;
828	}	1141	}
829	}	1142	}
830		1143
831	void	1144	void
832	ev_ref (EV_P)	1145	ev_ref (EV_P)
…		…
855	{	1168	{
856	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	1169	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
857	call_pending (EV_A);	1170	call_pending (EV_A);
858	}	1171	}
859		1172
		1173	/* we might have forked, so reify kernel state if necessary */
		1174	if (expect_false (postfork))
		1175	loop_fork (EV_A);
		1176
860	/* update fd-related kernel structures */	1177	/* update fd-related kernel structures */
861	fd_reify (EV_A);	1178	fd_reify (EV_A);
862		1179
863	/* calculate blocking time */	1180	/* calculate blocking time */
864		1181
865	/* we only need this for !monotonic clockor timers, but as we basically	1182	/* we only need this for !monotonic clock or timers, but as we basically
866	always have timers, we just calculate it always */	1183	always have timers, we just calculate it always */
867	#if EV_USE_MONOTONIC	1184	#if EV_USE_MONOTONIC
868	if (expect_true (have_monotonic))	1185	if (expect_true (have_monotonic))
869	time_update_monotonic (EV_A);	1186	time_update_monotonic (EV_A);
870	else	1187	else
871	#endif	1188	#endif
872	{	1189	{
873	rt_now = ev_time ();	1190	ev_rt_now = ev_time ();
874	mn_now = rt_now;	1191	mn_now = ev_rt_now;
875	}	1192	}
876		1193
877	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)	1194	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)
878	block = 0.;	1195	block = 0.;
879	else	1196	else
880	{	1197	{
881	block = MAX_BLOCKTIME;	1198	block = MAX_BLOCKTIME;
882		1199
883	if (timercnt)	1200	if (timercnt)
884	{	1201	{
885	ev_tstamp to = timers [0]->at - mn_now + method_fudge;	1202	ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge;
886	if (block > to) block = to;	1203	if (block > to) block = to;
887	}	1204	}
888		1205
		1206	#if EV_PERIODICS
889	if (periodiccnt)	1207	if (periodiccnt)
890	{	1208	{
891	ev_tstamp to = periodics [0]->at - rt_now + method_fudge;	1209	ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge;
892	if (block > to) block = to;	1210	if (block > to) block = to;
893	}	1211	}
		1212	#endif
894		1213
895	if (block < 0.) block = 0.;	1214	if (block < 0.) block = 0.;
896	}	1215	}
897		1216
898	method_poll (EV_A_ block);	1217	method_poll (EV_A_ block);
899		1218
900	/* update rt_now, do magic */	1219	/* update ev_rt_now, do magic */
901	time_update (EV_A);	1220	time_update (EV_A);
902		1221
903	/* queue pending timers and reschedule them */	1222	/* queue pending timers and reschedule them */
904	timers_reify (EV_A); /* relative timers called last */	1223	timers_reify (EV_A); /* relative timers called last */
		1224	#if EV_PERIODICS
905	periodics_reify (EV_A); /* absolute timers called first */	1225	periodics_reify (EV_A); /* absolute timers called first */
		1226	#endif
906		1227
907	/* queue idle watchers unless io or timers are pending */	1228	/* queue idle watchers unless io or timers are pending */
908	if (!pendingcnt)	1229	if (idlecnt && !any_pending (EV_A))
909	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);	1230	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);
910		1231
911	/* queue check watchers, to be executed first */	1232	/* queue check watchers, to be executed first */
912	if (checkcnt)	1233	if (checkcnt)
913	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	1234	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
914		1235
915	call_pending (EV_A);	1236	call_pending (EV_A);
916	printf ("activecnt %d\n", activecnt);//D
917	}	1237	}
918	while (activecnt && !loop_done);	1238	while (activecnt && !loop_done);
919		1239
920	if (loop_done != 2)	1240	if (loop_done != 2)
921	loop_done = 0;	1241	loop_done = 0;
…		…
989	return;	1309	return;
990		1310
991	assert (("ev_io_start called with negative fd", fd >= 0));	1311	assert (("ev_io_start called with negative fd", fd >= 0));
992		1312
993	ev_start (EV_A_ (W)w, 1);	1313	ev_start (EV_A_ (W)w, 1);
994	array_needsize (anfds, anfdmax, fd + 1, anfds_init);	1314	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);
995	wlist_add ((WL *)&anfds[fd].head, (WL)w);	1315	wlist_add ((WL *)&anfds[fd].head, (WL)w);
996		1316
997	fd_change (EV_A_ fd);	1317	fd_change (EV_A_ fd);
998	}	1318	}
999		1319
…		…
1002	{	1322	{
1003	ev_clear_pending (EV_A_ (W)w);	1323	ev_clear_pending (EV_A_ (W)w);
1004	if (!ev_is_active (w))	1324	if (!ev_is_active (w))
1005	return;	1325	return;
1006		1326
		1327	assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
		1328
1007	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);	1329	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);
1008	ev_stop (EV_A_ (W)w);	1330	ev_stop (EV_A_ (W)w);
1009		1331
1010	fd_change (EV_A_ w->fd);	1332	fd_change (EV_A_ w->fd);
1011	}	1333	}
…		…
1014	ev_timer_start (EV_P_ struct ev_timer *w)	1336	ev_timer_start (EV_P_ struct ev_timer *w)
1015	{	1337	{
1016	if (ev_is_active (w))	1338	if (ev_is_active (w))
1017	return;	1339	return;
1018		1340
1019	w->at += mn_now;	1341	((WT)w)->at += mn_now;
1020		1342
1021	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	1343	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
1022		1344
1023	ev_start (EV_A_ (W)w, ++timercnt);	1345	ev_start (EV_A_ (W)w, ++timercnt);
1024	array_needsize (timers, timermax, timercnt, );	1346	array_needsize (struct ev_timer *, timers, timermax, timercnt, (void));
1025	timers [timercnt - 1] = w;	1347	timers [timercnt - 1] = w;
1026	upheap ((WT *)timers, timercnt - 1);	1348	upheap ((WT *)timers, timercnt - 1);
		1349
		1350	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1027	}	1351	}
1028		1352
1029	void	1353	void
1030	ev_timer_stop (EV_P_ struct ev_timer *w)	1354	ev_timer_stop (EV_P_ struct ev_timer *w)
1031	{	1355	{
1032	ev_clear_pending (EV_A_ (W)w);	1356	ev_clear_pending (EV_A_ (W)w);
1033	if (!ev_is_active (w))	1357	if (!ev_is_active (w))
1034	return;	1358	return;
1035		1359
		1360	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
		1361
1036	if (w->active < timercnt--)	1362	if (((W)w)->active < timercnt--)
1037	{	1363	{
1038	timers [w->active - 1] = timers [timercnt];	1364	timers [((W)w)->active - 1] = timers [timercnt];
1039	downheap ((WT *)timers, timercnt, w->active - 1);	1365	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1040	}	1366	}
1041		1367
1042	w->at = w->repeat;	1368	((WT)w)->at -= mn_now;
1043		1369
1044	ev_stop (EV_A_ (W)w);	1370	ev_stop (EV_A_ (W)w);
1045	}	1371	}
1046		1372
1047	void	1373	void
…		…
1049	{	1375	{
1050	if (ev_is_active (w))	1376	if (ev_is_active (w))
1051	{	1377	{
1052	if (w->repeat)	1378	if (w->repeat)
1053	{	1379	{
1054	w->at = mn_now + w->repeat;	1380	((WT)w)->at = mn_now + w->repeat;
1055	downheap ((WT *)timers, timercnt, w->active - 1);	1381	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1056	}	1382	}
1057	else	1383	else
1058	ev_timer_stop (EV_A_ w);	1384	ev_timer_stop (EV_A_ w);
1059	}	1385	}
1060	else if (w->repeat)	1386	else if (w->repeat)
1061	ev_timer_start (EV_A_ w);	1387	ev_timer_start (EV_A_ w);
1062	}	1388	}
1063		1389
		1390	#if EV_PERIODICS
1064	void	1391	void
1065	ev_periodic_start (EV_P_ struct ev_periodic *w)	1392	ev_periodic_start (EV_P_ struct ev_periodic *w)
1066	{	1393	{
1067	if (ev_is_active (w))	1394	if (ev_is_active (w))
1068	return;	1395	return;
1069		1396
		1397	if (w->reschedule_cb)
		1398	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
		1399	else if (w->interval)
		1400	{
1070	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));	1401	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 */	1402	/* 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;	1403	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;
		1404	}
1075		1405
1076	ev_start (EV_A_ (W)w, ++periodiccnt);	1406	ev_start (EV_A_ (W)w, ++periodiccnt);
1077	array_needsize (periodics, periodicmax, periodiccnt, );	1407	array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, (void));
1078	periodics [periodiccnt - 1] = w;	1408	periodics [periodiccnt - 1] = w;
1079	upheap ((WT *)periodics, periodiccnt - 1);	1409	upheap ((WT *)periodics, periodiccnt - 1);
		1410
		1411	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1080	}	1412	}
1081		1413
1082	void	1414	void
1083	ev_periodic_stop (EV_P_ struct ev_periodic *w)	1415	ev_periodic_stop (EV_P_ struct ev_periodic *w)
1084	{	1416	{
1085	ev_clear_pending (EV_A_ (W)w);	1417	ev_clear_pending (EV_A_ (W)w);
1086	if (!ev_is_active (w))	1418	if (!ev_is_active (w))
1087	return;	1419	return;
1088		1420
		1421	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
		1422
1089	if (w->active < periodiccnt--)	1423	if (((W)w)->active < periodiccnt--)
1090	{	1424	{
1091	periodics [w->active - 1] = periodics [periodiccnt];	1425	periodics [((W)w)->active - 1] = periodics [periodiccnt];
1092	downheap ((WT *)periodics, periodiccnt, w->active - 1);	1426	adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);
1093	}	1427	}
1094		1428
		1429	ev_stop (EV_A_ (W)w);
		1430	}
		1431
		1432	void
		1433	ev_periodic_again (EV_P_ struct ev_periodic *w)
		1434	{
		1435	/* TODO: use adjustheap and recalculation */
		1436	ev_periodic_stop (EV_A_ w);
		1437	ev_periodic_start (EV_A_ w);
		1438	}
		1439	#endif
		1440
		1441	void
		1442	ev_idle_start (EV_P_ struct ev_idle *w)
		1443	{
		1444	if (ev_is_active (w))
		1445	return;
		1446
		1447	ev_start (EV_A_ (W)w, ++idlecnt);
		1448	array_needsize (struct ev_idle *, idles, idlemax, idlecnt, (void));
		1449	idles [idlecnt - 1] = w;
		1450	}
		1451
		1452	void
		1453	ev_idle_stop (EV_P_ struct ev_idle *w)
		1454	{
		1455	ev_clear_pending (EV_A_ (W)w);
		1456	if (!ev_is_active (w))
		1457	return;
		1458
		1459	idles [((W)w)->active - 1] = idles [--idlecnt];
		1460	ev_stop (EV_A_ (W)w);
		1461	}
		1462
		1463	void
		1464	ev_prepare_start (EV_P_ struct ev_prepare *w)
		1465	{
		1466	if (ev_is_active (w))
		1467	return;
		1468
		1469	ev_start (EV_A_ (W)w, ++preparecnt);
		1470	array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, (void));
		1471	prepares [preparecnt - 1] = w;
		1472	}
		1473
		1474	void
		1475	ev_prepare_stop (EV_P_ struct ev_prepare *w)
		1476	{
		1477	ev_clear_pending (EV_A_ (W)w);
		1478	if (!ev_is_active (w))
		1479	return;
		1480
		1481	prepares [((W)w)->active - 1] = prepares [--preparecnt];
		1482	ev_stop (EV_A_ (W)w);
		1483	}
		1484
		1485	void
		1486	ev_check_start (EV_P_ struct ev_check *w)
		1487	{
		1488	if (ev_is_active (w))
		1489	return;
		1490
		1491	ev_start (EV_A_ (W)w, ++checkcnt);
		1492	array_needsize (struct ev_check *, checks, checkmax, checkcnt, (void));
		1493	checks [checkcnt - 1] = w;
		1494	}
		1495
		1496	void
		1497	ev_check_stop (EV_P_ struct ev_check *w)
		1498	{
		1499	ev_clear_pending (EV_A_ (W)w);
		1500	if (!ev_is_active (w))
		1501	return;
		1502
		1503	checks [((W)w)->active - 1] = checks [--checkcnt];
1095	ev_stop (EV_A_ (W)w);	1504	ev_stop (EV_A_ (W)w);
1096	}	1505	}
1097		1506
1098	#ifndef SA_RESTART	1507	#ifndef SA_RESTART
1099	# define SA_RESTART 0	1508	# define SA_RESTART 0
1100	#endif	1509	#endif
1101		1510
1102	void	1511	void
1103	ev_signal_start (EV_P_ struct ev_signal *w)	1512	ev_signal_start (EV_P_ struct ev_signal *w)
1104	{	1513	{
		1514	#if EV_MULTIPLICITY
		1515	assert (("signal watchers are only supported in the default loop", loop == default_loop));
		1516	#endif
1105	if (ev_is_active (w))	1517	if (ev_is_active (w))
1106	return;	1518	return;
1107		1519
1108	assert (("ev_signal_start called with illegal signal number", w->signum > 0));	1520	assert (("ev_signal_start called with illegal signal number", w->signum > 0));
1109		1521
1110	ev_start (EV_A_ (W)w, 1);	1522	ev_start (EV_A_ (W)w, 1);
1111	array_needsize (signals, signalmax, w->signum, signals_init);	1523	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
1112	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);	1524	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
1113		1525
1114	if (!w->next)	1526	if (!((WL)w)->next)
1115	{	1527	{
		1528	#if _WIN32
		1529	signal (w->signum, sighandler);
		1530	#else
1116	struct sigaction sa;	1531	struct sigaction sa;
1117	sa.sa_handler = sighandler;	1532	sa.sa_handler = sighandler;
1118	sigfillset (&sa.sa_mask);	1533	sigfillset (&sa.sa_mask);
1119	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */	1534	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
1120	sigaction (w->signum, &sa, 0);	1535	sigaction (w->signum, &sa, 0);
		1536	#endif
1121	}	1537	}
1122	}	1538	}
1123		1539
1124	void	1540	void
1125	ev_signal_stop (EV_P_ struct ev_signal *w)	1541	ev_signal_stop (EV_P_ struct ev_signal *w)
…		…
1134	if (!signals [w->signum - 1].head)	1550	if (!signals [w->signum - 1].head)
1135	signal (w->signum, SIG_DFL);	1551	signal (w->signum, SIG_DFL);
1136	}	1552	}
1137		1553
1138	void	1554	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)	1555	ev_child_start (EV_P_ struct ev_child *w)
1206	{	1556	{
		1557	#if EV_MULTIPLICITY
		1558	assert (("child watchers are only supported in the default loop", loop == default_loop));
		1559	#endif
1207	if (ev_is_active (w))	1560	if (ev_is_active (w))
1208	return;	1561	return;
1209		1562
1210	ev_start (EV_A_ (W)w, 1);	1563	ev_start (EV_A_ (W)w, 1);
1211	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1564	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
…		…
1213		1566
1214	void	1567	void
1215	ev_child_stop (EV_P_ struct ev_child *w)	1568	ev_child_stop (EV_P_ struct ev_child *w)
1216	{	1569	{
1217	ev_clear_pending (EV_A_ (W)w);	1570	ev_clear_pending (EV_A_ (W)w);
1218	if (ev_is_active (w))	1571	if (!ev_is_active (w))
1219	return;	1572	return;
1220		1573
1221	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1574	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1222	ev_stop (EV_A_ (W)w);	1575	ev_stop (EV_A_ (W)w);
1223	}	1576	}
…		…
1238	void (cb)(int revents, void arg) = once->cb;	1591	void (cb)(int revents, void arg) = once->cb;
1239	void *arg = once->arg;	1592	void *arg = once->arg;
1240		1593
1241	ev_io_stop (EV_A_ &once->io);	1594	ev_io_stop (EV_A_ &once->io);
1242	ev_timer_stop (EV_A_ &once->to);	1595	ev_timer_stop (EV_A_ &once->to);
1243	free (once);	1596	ev_free (once);
1244		1597
1245	cb (revents, arg);	1598	cb (revents, arg);
1246	}	1599	}
1247		1600
1248	static void	1601	static void
…		…
1258	}	1611	}
1259		1612
1260	void	1613	void
1261	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)	1614	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)
1262	{	1615	{
1263	struct ev_once *once = malloc (sizeof (struct ev_once));	1616	struct ev_once once = (struct ev_once )ev_malloc (sizeof (struct ev_once));
1264		1617
1265	if (!once)	1618	if (!once)
1266	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);	1619	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);
1267	else	1620	else
1268	{	1621	{
1269	once->cb = cb;	1622	once->cb = cb;
1270	once->arg = arg;	1623	once->arg = arg;
1271		1624
1272	ev_watcher_init (&once->io, once_cb_io);	1625	ev_init (&once->io, once_cb_io);
1273	if (fd >= 0)	1626	if (fd >= 0)
1274	{	1627	{
1275	ev_io_set (&once->io, fd, events);	1628	ev_io_set (&once->io, fd, events);
1276	ev_io_start (EV_A_ &once->io);	1629	ev_io_start (EV_A_ &once->io);
1277	}	1630	}
1278		1631
1279	ev_watcher_init (&once->to, once_cb_to);	1632	ev_init (&once->to, once_cb_to);
1280	if (timeout >= 0.)	1633	if (timeout >= 0.)
1281	{	1634	{
1282	ev_timer_set (&once->to, timeout, 0.);	1635	ev_timer_set (&once->to, timeout, 0.);
1283	ev_timer_start (EV_A_ &once->to);	1636	ev_timer_start (EV_A_ &once->to);
1284	}	1637	}
1285	}	1638	}
1286	}	1639	}
1287		1640
1288	/*****************************************************************************/	1641	#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	}	1642	}
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	1643	#endif
1344		1644
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 1.111 by root, Mon Nov 12 06:34:49 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 1.111 by root, Mon Nov 12 06:34:49 2007 UTC