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

Comparing libev/ev.c (file contents):
Revision 1.52 by root, Sat Nov 3 22:10:39 2007 UTC vs.
Revision 1.106 by root, Mon Nov 12 01:07:50 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 cnanot 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);
492	ev_unref (EV_A); /* child watcher should not keep loop alive */	665	ev_unref (EV_A); /* child watcher should not keep loop alive */
493	}	666	}
494		667
495	/*****************************************************************************/	668	/*****************************************************************************/
496		669
497	static struct ev_idle **idles;
498	static int idlemax, idlecnt;
499
500	static struct ev_prepare **prepares;
501	static int preparemax, preparecnt;
502
503	static struct ev_check **checks;
504	static int checkmax, checkcnt;
505
506	/*****************************************************************************/
507
508	static struct ev_child *childs [PID_HASHSIZE];	670	static struct ev_child *childs [PID_HASHSIZE];
		671
		672	#ifndef _WIN32
		673
509	static struct ev_signal childev;	674	static struct ev_signal childev;
510
511	#ifndef WIN32
512		675
513	#ifndef WCONTINUED	676	#ifndef WCONTINUED
514	# define WCONTINUED 0	677	# define WCONTINUED 0
515	#endif	678	#endif
516		679
…		…
520	struct ev_child *w;	683	struct ev_child *w;
521		684
522	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)
523	if (w->pid == pid \|\| !w->pid)	686	if (w->pid == pid \|\| !w->pid)
524	{	687	{
525	w->priority = sw->priority; /* need to do it now */	688	ev_priority (w) = ev_priority (sw); /* need to do it now */
526	w->rpid = pid;	689	w->rpid = pid;
527	w->rstatus = status;	690	w->rstatus = status;
528	event (EV_A_ (W)w, EV_CHILD);	691	ev_feed_event (EV_A_ (W)w, EV_CHILD);
529	}	692	}
530	}	693	}
531		694
532	static void	695	static void
533	childcb (EV_P_ struct ev_signal *sw, int revents)	696	childcb (EV_P_ struct ev_signal *sw, int revents)
…		…
535	int pid, status;	698	int pid, status;
536		699
537	if (0 < (pid = waitpid (-1, &status, WNOHANG \| WUNTRACED \| WCONTINUED)))	700	if (0 < (pid = waitpid (-1, &status, WNOHANG \| WUNTRACED \| WCONTINUED)))
538	{	701	{
539	/* 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 */
540	event (EV_A_ (W)sw, EV_SIGNAL);	703	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
541		704
542	child_reap (EV_A_ sw, pid, pid, status);	705	child_reap (EV_A_ sw, pid, pid, status);
543	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 */
544	}	707	}
545	}	708	}
…		…
552	# include "ev_kqueue.c"	715	# include "ev_kqueue.c"
553	#endif	716	#endif
554	#if EV_USE_EPOLL	717	#if EV_USE_EPOLL
555	# include "ev_epoll.c"	718	# include "ev_epoll.c"
556	#endif	719	#endif
557	#if EV_USEV_POLL	720	#if EV_USE_POLL
558	# include "ev_poll.c"	721	# include "ev_poll.c"
559	#endif	722	#endif
560	#if EV_USE_SELECT	723	#if EV_USE_SELECT
561	# include "ev_select.c"	724	# include "ev_select.c"
562	#endif	725	#endif
…		…
575		738
576	/* 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 */
577	static int	740	static int
578	enable_secure (void)	741	enable_secure (void)
579	{	742	{
580	#ifdef WIN32	743	#ifdef _WIN32
581	return 0;	744	return 0;
582	#else	745	#else
583	return getuid () != geteuid ()	746	return getuid () != geteuid ()
584	\|\| getgid () != getegid ();	747	\|\| getgid () != getegid ();
585	#endif	748	#endif
…		…
589	ev_method (EV_P)	752	ev_method (EV_P)
590	{	753	{
591	return method;	754	return method;
592	}	755	}
593		756
594	int	757	static void
595	ev_init (EV_P_ int methods)	758	loop_init (EV_P_ int methods)
596	{	759	{
597	if (!method)	760	if (!method)
598	{	761	{
599	#if EV_USE_MONOTONIC	762	#if EV_USE_MONOTONIC
600	{	763	{
…		…
602	if (!clock_gettime (CLOCK_MONOTONIC, &ts))	765	if (!clock_gettime (CLOCK_MONOTONIC, &ts))
603	have_monotonic = 1;	766	have_monotonic = 1;
604	}	767	}
605	#endif	768	#endif
606		769
607	rt_now = ev_time ();	770	ev_rt_now = ev_time ();
608	mn_now = get_clock ();	771	mn_now = get_clock ();
609	now_floor = mn_now;	772	now_floor = mn_now;
610	diff = rt_now - mn_now;	773	rtmn_diff = ev_rt_now - mn_now;
611
612	if (pipe (sigpipe))
613	return 0;
614		774
615	if (methods == EVMETHOD_AUTO)	775	if (methods == EVMETHOD_AUTO)
616	if (!enable_secure () && getenv ("LIBmethodS"))	776	if (!enable_secure () && getenv ("LIBEV_METHODS"))
617	methods = atoi (getenv ("LIBmethodS"));	777	methods = atoi (getenv ("LIBEV_METHODS"));
618	else	778	else
619	methods = EVMETHOD_ANY;	779	methods = EVMETHOD_ANY;
620		780
621	method = 0;	781	method = 0;
622	#if EV_USE_KQUEUE	782	#if EV_USE_KQUEUE
623	if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods);	783	if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods);
624	#endif	784	#endif
625	#if EV_USE_EPOLL	785	#if EV_USE_EPOLL
626	if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods);	786	if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods);
627	#endif	787	#endif
628	#if EV_USEV_POLL	788	#if EV_USE_POLL
629	if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods);	789	if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods);
630	#endif	790	#endif
631	#if EV_USE_SELECT	791	#if EV_USE_SELECT
632	if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods);	792	if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods);
633	#endif	793	#endif
634		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 (int methods)
		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_ methods);
		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 (int methods)
		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_ methods);
		913
635	if (method)	914	if (ev_method (EV_A))
636	{	915	{
637	ev_watcher_init (&sigev, sigcb);
638	ev_set_priority (&sigev, EV_MAXPRI);
639	siginit (EV_A);	916	siginit (EV_A);
640		917
641	#ifndef WIN32	918	#ifndef _WIN32
642	ev_signal_init (&childev, childcb, SIGCHLD);	919	ev_signal_init (&childev, childcb, SIGCHLD);
643	ev_set_priority (&childev, EV_MAXPRI);	920	ev_set_priority (&childev, EV_MAXPRI);
644	ev_signal_start (EV_A_ &childev);	921	ev_signal_start (EV_A_ &childev);
645	ev_unref (EV_A); /* child watcher should not keep loop alive */	922	ev_unref (EV_A); /* child watcher should not keep loop alive */
646	#endif	923	#endif
647	}	924	}
		925	else
		926	default_loop = 0;
648	}	927	}
649		928
650	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;
651	}	962	}
652		963
653	/*****************************************************************************/	964	/*****************************************************************************/
654		965
655	void	966	static int
656	ev_fork_prepare (void)	967	any_pending (EV_P)
657	{	968	{
658	/* nop */	969	int pri;
659	}
660		970
661	void	971	for (pri = NUMPRI; pri--; )
662	ev_fork_parent (void)	972	if (pendingcnt [pri])
663	{	973	return 1;
664	/* nop */
665	}
666		974
667	void	975	return 0;
668	ev_fork_child (void)
669	{
670	#if EV_USE_EPOLL
671	if (method == EVMETHOD_EPOLL)
672	epoll_postfork_child ();
673	#endif
674
675	ev_io_stop (&sigev);
676	close (sigpipe [0]);
677	close (sigpipe [1]);
678	pipe (sigpipe);
679	siginit ();
680	}	976	}
681
682	/*****************************************************************************/
683		977
684	static void	978	static void
685	call_pending (EV_P)	979	call_pending (EV_P)
686	{	980	{
687	int pri;	981	int pri;
…		…
692	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	986	ANPENDING *p = pendings [pri] + --pendingcnt [pri];
693		987
694	if (p->w)	988	if (p->w)
695	{	989	{
696	p->w->pending = 0;	990	p->w->pending = 0;
697	p->w->cb (EV_A_ p->w, p->events);	991	EV_CB_INVOKE (p->w, p->events);
698	}	992	}
699	}	993	}
700	}	994	}
701		995
702	static void	996	static void
703	timers_reify (EV_P)	997	timers_reify (EV_P)
704	{	998	{
705	while (timercnt && timers [0]->at <= mn_now)	999	while (timercnt && ((WT)timers [0])->at <= mn_now)
706	{	1000	{
707	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)));
708		1004
709	/* first reschedule or stop timer */	1005	/* first reschedule or stop timer */
710	if (w->repeat)	1006	if (w->repeat)
711	{	1007	{
712	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
713	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
714	downheap ((WT *)timers, timercnt, 0);	1014	downheap ((WT *)timers, timercnt, 0);
715	}	1015	}
716	else	1016	else
717	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */	1017	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
718		1018
719	event ((W)w, EV_TIMEOUT);	1019	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
720	}	1020	}
721	}	1021	}
722		1022
		1023	#if EV_PERIODICS
723	static void	1024	static void
724	periodics_reify (EV_P)	1025	periodics_reify (EV_P)
725	{	1026	{
726	while (periodiccnt && periodics [0]->at <= rt_now)	1027	while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)
727	{	1028	{
728	struct ev_periodic *w = periodics [0];	1029	struct ev_periodic *w = periodics [0];
729		1030
		1031	assert (("inactive timer on periodic heap detected", ev_is_active (w)));
		1032
730	/* first reschedule or stop timer */	1033	/* first reschedule or stop timer */
731	if (w->interval)	1034	if (w->reschedule_cb)
732	{	1035	{
		1036	ev_tstamp at = ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001);
		1037
		1038	assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));
		1039	downheap ((WT *)periodics, periodiccnt, 0);
		1040	}
		1041	else if (w->interval)
		1042	{
733	w->at += floor ((rt_now - w->at) / w->interval + 1.) * w->interval;	1043	((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval;
734	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", w->at > rt_now));	1044	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now));
735	downheap ((WT *)periodics, periodiccnt, 0);	1045	downheap ((WT *)periodics, periodiccnt, 0);
736	}	1046	}
737	else	1047	else
738	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */	1048	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
739		1049
740	event (EV_A_ (W)w, EV_PERIODIC);	1050	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
741	}	1051	}
742	}	1052	}
743		1053
744	static void	1054	static void
745	periodics_reschedule (EV_P_ ev_tstamp diff)	1055	periodics_reschedule (EV_P)
746	{	1056	{
747	int i;	1057	int i;
748		1058
749	/* adjust periodics after time jump */	1059	/* adjust periodics after time jump */
750	for (i = 0; i < periodiccnt; ++i)	1060	for (i = 0; i < periodiccnt; ++i)
751	{	1061	{
752	struct ev_periodic *w = periodics [i];	1062	struct ev_periodic *w = periodics [i];
753		1063
		1064	if (w->reschedule_cb)
		1065	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
754	if (w->interval)	1066	else if (w->interval)
755	{
756	ev_tstamp diff = ceil ((rt_now - w->at) / w->interval) * w->interval;	1067	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;
757
758	if (fabs (diff) >= 1e-4)
759	{
760	ev_periodic_stop (EV_A_ w);
761	ev_periodic_start (EV_A_ w);
762
763	i = 0; /* restart loop, inefficient, but time jumps should be rare */
764	}
765	}
766	}	1068	}
		1069
		1070	/* now rebuild the heap */
		1071	for (i = periodiccnt >> 1; i--; )
		1072	downheap ((WT *)periodics, periodiccnt, i);
767	}	1073	}
		1074	#endif
768		1075
769	inline int	1076	inline int
770	time_update_monotonic (EV_P)	1077	time_update_monotonic (EV_P)
771	{	1078	{
772	mn_now = get_clock ();	1079	mn_now = get_clock ();
773		1080
774	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))	1081	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
775	{	1082	{
776	rt_now = mn_now + diff;	1083	ev_rt_now = rtmn_diff + mn_now;
777	return 0;	1084	return 0;
778	}	1085	}
779	else	1086	else
780	{	1087	{
781	now_floor = mn_now;	1088	now_floor = mn_now;
782	rt_now = ev_time ();	1089	ev_rt_now = ev_time ();
783	return 1;	1090	return 1;
784	}	1091	}
785	}	1092	}
786		1093
787	static void	1094	static void
…		…
792	#if EV_USE_MONOTONIC	1099	#if EV_USE_MONOTONIC
793	if (expect_true (have_monotonic))	1100	if (expect_true (have_monotonic))
794	{	1101	{
795	if (time_update_monotonic (EV_A))	1102	if (time_update_monotonic (EV_A))
796	{	1103	{
797	ev_tstamp odiff = diff;	1104	ev_tstamp odiff = rtmn_diff;
798		1105
799	for (i = 4; --i; ) /* loop a few times, before making important decisions */	1106	for (i = 4; --i; ) /* loop a few times, before making important decisions */
800	{	1107	{
801	diff = rt_now - mn_now;	1108	rtmn_diff = ev_rt_now - mn_now;
802		1109
803	if (fabs (odiff - diff) < MIN_TIMEJUMP)	1110	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)
804	return; /* all is well */	1111	return; /* all is well */
805		1112
806	rt_now = ev_time ();	1113	ev_rt_now = ev_time ();
807	mn_now = get_clock ();	1114	mn_now = get_clock ();
808	now_floor = mn_now;	1115	now_floor = mn_now;
809	}	1116	}
810		1117
		1118	# if EV_PERIODICS
811	periodics_reschedule (EV_A_ diff - odiff);	1119	periodics_reschedule (EV_A);
		1120	# endif
812	/* no timer adjustment, as the monotonic clock doesn't jump */	1121	/* no timer adjustment, as the monotonic clock doesn't jump */
		1122	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */
813	}	1123	}
814	}	1124	}
815	else	1125	else
816	#endif	1126	#endif
817	{	1127	{
818	rt_now = ev_time ();	1128	ev_rt_now = ev_time ();
819		1129
820	if (expect_false (mn_now > rt_now \|\| mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))	1130	if (expect_false (mn_now > ev_rt_now \|\| mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))
821	{	1131	{
		1132	#if EV_PERIODICS
822	periodics_reschedule (EV_A_ rt_now - mn_now);	1133	periodics_reschedule (EV_A);
		1134	#endif
823		1135
824	/* adjust timers. this is easy, as the offset is the same for all */	1136	/* adjust timers. this is easy, as the offset is the same for all */
825	for (i = 0; i < timercnt; ++i)	1137	for (i = 0; i < timercnt; ++i)
826	timers [i]->at += diff;	1138	((WT)timers [i])->at += ev_rt_now - mn_now;
827	}	1139	}
828		1140
829	mn_now = rt_now;	1141	mn_now = ev_rt_now;
830	}	1142	}
831	}	1143	}
832		1144
833	void	1145	void
834	ev_ref (EV_P)	1146	ev_ref (EV_P)
…		…
857	{	1169	{
858	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	1170	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
859	call_pending (EV_A);	1171	call_pending (EV_A);
860	}	1172	}
861		1173
		1174	/* we might have forked, so reify kernel state if necessary */
		1175	if (expect_false (postfork))
		1176	loop_fork (EV_A);
		1177
862	/* update fd-related kernel structures */	1178	/* update fd-related kernel structures */
863	fd_reify (EV_A);	1179	fd_reify (EV_A);
864		1180
865	/* calculate blocking time */	1181	/* calculate blocking time */
866		1182
867	/* we only need this for !monotonic clockor timers, but as we basically	1183	/* we only need this for !monotonic clock or timers, but as we basically
868	always have timers, we just calculate it always */	1184	always have timers, we just calculate it always */
869	#if EV_USE_MONOTONIC	1185	#if EV_USE_MONOTONIC
870	if (expect_true (have_monotonic))	1186	if (expect_true (have_monotonic))
871	time_update_monotonic (EV_A);	1187	time_update_monotonic (EV_A);
872	else	1188	else
873	#endif	1189	#endif
874	{	1190	{
875	rt_now = ev_time ();	1191	ev_rt_now = ev_time ();
876	mn_now = rt_now;	1192	mn_now = ev_rt_now;
877	}	1193	}
878		1194
879	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)	1195	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)
880	block = 0.;	1196	block = 0.;
881	else	1197	else
882	{	1198	{
883	block = MAX_BLOCKTIME;	1199	block = MAX_BLOCKTIME;
884		1200
885	if (timercnt)	1201	if (timercnt)
886	{	1202	{
887	ev_tstamp to = timers [0]->at - mn_now + method_fudge;	1203	ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge;
888	if (block > to) block = to;	1204	if (block > to) block = to;
889	}	1205	}
890		1206
		1207	#if EV_PERIODICS
891	if (periodiccnt)	1208	if (periodiccnt)
892	{	1209	{
893	ev_tstamp to = periodics [0]->at - rt_now + method_fudge;	1210	ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge;
894	if (block > to) block = to;	1211	if (block > to) block = to;
895	}	1212	}
		1213	#endif
896		1214
897	if (block < 0.) block = 0.;	1215	if (block < 0.) block = 0.;
898	}	1216	}
899		1217
900	method_poll (EV_A_ block);	1218	method_poll (EV_A_ block);
901		1219
902	/* update rt_now, do magic */	1220	/* update ev_rt_now, do magic */
903	time_update (EV_A);	1221	time_update (EV_A);
904		1222
905	/* queue pending timers and reschedule them */	1223	/* queue pending timers and reschedule them */
906	timers_reify (EV_A); /* relative timers called last */	1224	timers_reify (EV_A); /* relative timers called last */
		1225	#if EV_PERIODICS
907	periodics_reify (EV_A); /* absolute timers called first */	1226	periodics_reify (EV_A); /* absolute timers called first */
		1227	#endif
908		1228
909	/* queue idle watchers unless io or timers are pending */	1229	/* queue idle watchers unless io or timers are pending */
910	if (!pendingcnt)	1230	if (idlecnt && !any_pending (EV_A))
911	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);	1231	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);
912		1232
913	/* queue check watchers, to be executed first */	1233	/* queue check watchers, to be executed first */
914	if (checkcnt)	1234	if (checkcnt)
915	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	1235	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
…		…
990	return;	1310	return;
991		1311
992	assert (("ev_io_start called with negative fd", fd >= 0));	1312	assert (("ev_io_start called with negative fd", fd >= 0));
993		1313
994	ev_start (EV_A_ (W)w, 1);	1314	ev_start (EV_A_ (W)w, 1);
995	array_needsize (anfds, anfdmax, fd + 1, anfds_init);	1315	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);
996	wlist_add ((WL *)&anfds[fd].head, (WL)w);	1316	wlist_add ((WL *)&anfds[fd].head, (WL)w);
997		1317
998	fd_change (EV_A_ fd);	1318	fd_change (EV_A_ fd);
999	}	1319	}
1000		1320
…		…
1003	{	1323	{
1004	ev_clear_pending (EV_A_ (W)w);	1324	ev_clear_pending (EV_A_ (W)w);
1005	if (!ev_is_active (w))	1325	if (!ev_is_active (w))
1006	return;	1326	return;
1007		1327
		1328	assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
		1329
1008	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);	1330	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);
1009	ev_stop (EV_A_ (W)w);	1331	ev_stop (EV_A_ (W)w);
1010		1332
1011	fd_change (EV_A_ w->fd);	1333	fd_change (EV_A_ w->fd);
1012	}	1334	}
…		…
1015	ev_timer_start (EV_P_ struct ev_timer *w)	1337	ev_timer_start (EV_P_ struct ev_timer *w)
1016	{	1338	{
1017	if (ev_is_active (w))	1339	if (ev_is_active (w))
1018	return;	1340	return;
1019		1341
1020	w->at += mn_now;	1342	((WT)w)->at += mn_now;
1021		1343
1022	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	1344	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
1023		1345
1024	ev_start (EV_A_ (W)w, ++timercnt);	1346	ev_start (EV_A_ (W)w, ++timercnt);
1025	array_needsize (timers, timermax, timercnt, );	1347	array_needsize (struct ev_timer *, timers, timermax, timercnt, (void));
1026	timers [timercnt - 1] = w;	1348	timers [timercnt - 1] = w;
1027	upheap ((WT *)timers, timercnt - 1);	1349	upheap ((WT *)timers, timercnt - 1);
		1350
		1351	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1028	}	1352	}
1029		1353
1030	void	1354	void
1031	ev_timer_stop (EV_P_ struct ev_timer *w)	1355	ev_timer_stop (EV_P_ struct ev_timer *w)
1032	{	1356	{
1033	ev_clear_pending (EV_A_ (W)w);	1357	ev_clear_pending (EV_A_ (W)w);
1034	if (!ev_is_active (w))	1358	if (!ev_is_active (w))
1035	return;	1359	return;
1036		1360
		1361	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
		1362
1037	if (w->active < timercnt--)	1363	if (((W)w)->active < timercnt--)
1038	{	1364	{
1039	timers [w->active - 1] = timers [timercnt];	1365	timers [((W)w)->active - 1] = timers [timercnt];
1040	downheap ((WT *)timers, timercnt, w->active - 1);	1366	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1041	}	1367	}
1042		1368
1043	w->at = w->repeat;	1369	((WT)w)->at -= mn_now;
1044		1370
1045	ev_stop (EV_A_ (W)w);	1371	ev_stop (EV_A_ (W)w);
1046	}	1372	}
1047		1373
1048	void	1374	void
…		…
1050	{	1376	{
1051	if (ev_is_active (w))	1377	if (ev_is_active (w))
1052	{	1378	{
1053	if (w->repeat)	1379	if (w->repeat)
1054	{	1380	{
1055	w->at = mn_now + w->repeat;	1381	((WT)w)->at = mn_now + w->repeat;
1056	downheap ((WT *)timers, timercnt, w->active - 1);	1382	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1057	}	1383	}
1058	else	1384	else
1059	ev_timer_stop (EV_A_ w);	1385	ev_timer_stop (EV_A_ w);
1060	}	1386	}
1061	else if (w->repeat)	1387	else if (w->repeat)
1062	ev_timer_start (EV_A_ w);	1388	ev_timer_start (EV_A_ w);
1063	}	1389	}
1064		1390
		1391	#if EV_PERIODICS
1065	void	1392	void
1066	ev_periodic_start (EV_P_ struct ev_periodic *w)	1393	ev_periodic_start (EV_P_ struct ev_periodic *w)
1067	{	1394	{
1068	if (ev_is_active (w))	1395	if (ev_is_active (w))
1069	return;	1396	return;
1070		1397
		1398	if (w->reschedule_cb)
		1399	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
		1400	else if (w->interval)
		1401	{
1071	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));	1402	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));
1072
1073	/* this formula differs from the one in periodic_reify because we do not always round up */	1403	/* this formula differs from the one in periodic_reify because we do not always round up */
1074	if (w->interval)
1075	w->at += ceil ((rt_now - w->at) / w->interval) * w->interval;	1404	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;
		1405	}
1076		1406
1077	ev_start (EV_A_ (W)w, ++periodiccnt);	1407	ev_start (EV_A_ (W)w, ++periodiccnt);
1078	array_needsize (periodics, periodicmax, periodiccnt, );	1408	array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, (void));
1079	periodics [periodiccnt - 1] = w;	1409	periodics [periodiccnt - 1] = w;
1080	upheap ((WT *)periodics, periodiccnt - 1);	1410	upheap ((WT *)periodics, periodiccnt - 1);
		1411
		1412	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1081	}	1413	}
1082		1414
1083	void	1415	void
1084	ev_periodic_stop (EV_P_ struct ev_periodic *w)	1416	ev_periodic_stop (EV_P_ struct ev_periodic *w)
1085	{	1417	{
1086	ev_clear_pending (EV_A_ (W)w);	1418	ev_clear_pending (EV_A_ (W)w);
1087	if (!ev_is_active (w))	1419	if (!ev_is_active (w))
1088	return;	1420	return;
1089		1421
		1422	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
		1423
1090	if (w->active < periodiccnt--)	1424	if (((W)w)->active < periodiccnt--)
1091	{	1425	{
1092	periodics [w->active - 1] = periodics [periodiccnt];	1426	periodics [((W)w)->active - 1] = periodics [periodiccnt];
1093	downheap ((WT *)periodics, periodiccnt, w->active - 1);	1427	adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);
1094	}	1428	}
1095		1429
		1430	ev_stop (EV_A_ (W)w);
		1431	}
		1432
		1433	void
		1434	ev_periodic_again (EV_P_ struct ev_periodic *w)
		1435	{
		1436	/* TODO: use adjustheap and recalculation */
		1437	ev_periodic_stop (EV_A_ w);
		1438	ev_periodic_start (EV_A_ w);
		1439	}
		1440	#endif
		1441
		1442	void
		1443	ev_idle_start (EV_P_ struct ev_idle *w)
		1444	{
		1445	if (ev_is_active (w))
		1446	return;
		1447
		1448	ev_start (EV_A_ (W)w, ++idlecnt);
		1449	array_needsize (struct ev_idle *, idles, idlemax, idlecnt, (void));
		1450	idles [idlecnt - 1] = w;
		1451	}
		1452
		1453	void
		1454	ev_idle_stop (EV_P_ struct ev_idle *w)
		1455	{
		1456	ev_clear_pending (EV_A_ (W)w);
		1457	if (!ev_is_active (w))
		1458	return;
		1459
		1460	idles [((W)w)->active - 1] = idles [--idlecnt];
		1461	ev_stop (EV_A_ (W)w);
		1462	}
		1463
		1464	void
		1465	ev_prepare_start (EV_P_ struct ev_prepare *w)
		1466	{
		1467	if (ev_is_active (w))
		1468	return;
		1469
		1470	ev_start (EV_A_ (W)w, ++preparecnt);
		1471	array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, (void));
		1472	prepares [preparecnt - 1] = w;
		1473	}
		1474
		1475	void
		1476	ev_prepare_stop (EV_P_ struct ev_prepare *w)
		1477	{
		1478	ev_clear_pending (EV_A_ (W)w);
		1479	if (!ev_is_active (w))
		1480	return;
		1481
		1482	prepares [((W)w)->active - 1] = prepares [--preparecnt];
		1483	ev_stop (EV_A_ (W)w);
		1484	}
		1485
		1486	void
		1487	ev_check_start (EV_P_ struct ev_check *w)
		1488	{
		1489	if (ev_is_active (w))
		1490	return;
		1491
		1492	ev_start (EV_A_ (W)w, ++checkcnt);
		1493	array_needsize (struct ev_check *, checks, checkmax, checkcnt, (void));
		1494	checks [checkcnt - 1] = w;
		1495	}
		1496
		1497	void
		1498	ev_check_stop (EV_P_ struct ev_check *w)
		1499	{
		1500	ev_clear_pending (EV_A_ (W)w);
		1501	if (!ev_is_active (w))
		1502	return;
		1503
		1504	checks [((W)w)->active - 1] = checks [--checkcnt];
1096	ev_stop (EV_A_ (W)w);	1505	ev_stop (EV_A_ (W)w);
1097	}	1506	}
1098		1507
1099	#ifndef SA_RESTART	1508	#ifndef SA_RESTART
1100	# define SA_RESTART 0	1509	# define SA_RESTART 0
1101	#endif	1510	#endif
1102		1511
1103	void	1512	void
1104	ev_signal_start (EV_P_ struct ev_signal *w)	1513	ev_signal_start (EV_P_ struct ev_signal *w)
1105	{	1514	{
		1515	#if EV_MULTIPLICITY
		1516	assert (("signal watchers are only supported in the default loop", loop == default_loop));
		1517	#endif
1106	if (ev_is_active (w))	1518	if (ev_is_active (w))
1107	return;	1519	return;
1108		1520
1109	assert (("ev_signal_start called with illegal signal number", w->signum > 0));	1521	assert (("ev_signal_start called with illegal signal number", w->signum > 0));
1110		1522
1111	ev_start (EV_A_ (W)w, 1);	1523	ev_start (EV_A_ (W)w, 1);
1112	array_needsize (signals, signalmax, w->signum, signals_init);	1524	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
1113	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);	1525	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
1114		1526
1115	if (!w->next)	1527	if (!((WL)w)->next)
1116	{	1528	{
		1529	#if _WIN32
		1530	signal (w->signum, sighandler);
		1531	#else
1117	struct sigaction sa;	1532	struct sigaction sa;
1118	sa.sa_handler = sighandler;	1533	sa.sa_handler = sighandler;
1119	sigfillset (&sa.sa_mask);	1534	sigfillset (&sa.sa_mask);
1120	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */	1535	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
1121	sigaction (w->signum, &sa, 0);	1536	sigaction (w->signum, &sa, 0);
		1537	#endif
1122	}	1538	}
1123	}	1539	}
1124		1540
1125	void	1541	void
1126	ev_signal_stop (EV_P_ struct ev_signal *w)	1542	ev_signal_stop (EV_P_ struct ev_signal *w)
…		…
1135	if (!signals [w->signum - 1].head)	1551	if (!signals [w->signum - 1].head)
1136	signal (w->signum, SIG_DFL);	1552	signal (w->signum, SIG_DFL);
1137	}	1553	}
1138		1554
1139	void	1555	void
1140	ev_idle_start (EV_P_ struct ev_idle *w)
1141	{
1142	if (ev_is_active (w))
1143	return;
1144
1145	ev_start (EV_A_ (W)w, ++idlecnt);
1146	array_needsize (idles, idlemax, idlecnt, );
1147	idles [idlecnt - 1] = w;
1148	}
1149
1150	void
1151	ev_idle_stop (EV_P_ struct ev_idle *w)
1152	{
1153	ev_clear_pending (EV_A_ (W)w);
1154	if (ev_is_active (w))
1155	return;
1156
1157	idles [w->active - 1] = idles [--idlecnt];
1158	ev_stop (EV_A_ (W)w);
1159	}
1160
1161	void
1162	ev_prepare_start (EV_P_ struct ev_prepare *w)
1163	{
1164	if (ev_is_active (w))
1165	return;
1166
1167	ev_start (EV_A_ (W)w, ++preparecnt);
1168	array_needsize (prepares, preparemax, preparecnt, );
1169	prepares [preparecnt - 1] = w;
1170	}
1171
1172	void
1173	ev_prepare_stop (EV_P_ struct ev_prepare *w)
1174	{
1175	ev_clear_pending (EV_A_ (W)w);
1176	if (ev_is_active (w))
1177	return;
1178
1179	prepares [w->active - 1] = prepares [--preparecnt];
1180	ev_stop (EV_A_ (W)w);
1181	}
1182
1183	void
1184	ev_check_start (EV_P_ struct ev_check *w)
1185	{
1186	if (ev_is_active (w))
1187	return;
1188
1189	ev_start (EV_A_ (W)w, ++checkcnt);
1190	array_needsize (checks, checkmax, checkcnt, );
1191	checks [checkcnt - 1] = w;
1192	}
1193
1194	void
1195	ev_check_stop (EV_P_ struct ev_check *w)
1196	{
1197	ev_clear_pending (EV_A_ (W)w);
1198	if (ev_is_active (w))
1199	return;
1200
1201	checks [w->active - 1] = checks [--checkcnt];
1202	ev_stop (EV_A_ (W)w);
1203	}
1204
1205	void
1206	ev_child_start (EV_P_ struct ev_child *w)	1556	ev_child_start (EV_P_ struct ev_child *w)
1207	{	1557	{
		1558	#if EV_MULTIPLICITY
		1559	assert (("child watchers are only supported in the default loop", loop == default_loop));
		1560	#endif
1208	if (ev_is_active (w))	1561	if (ev_is_active (w))
1209	return;	1562	return;
1210		1563
1211	ev_start (EV_A_ (W)w, 1);	1564	ev_start (EV_A_ (W)w, 1);
1212	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1565	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
…		…
1214		1567
1215	void	1568	void
1216	ev_child_stop (EV_P_ struct ev_child *w)	1569	ev_child_stop (EV_P_ struct ev_child *w)
1217	{	1570	{
1218	ev_clear_pending (EV_A_ (W)w);	1571	ev_clear_pending (EV_A_ (W)w);
1219	if (ev_is_active (w))	1572	if (!ev_is_active (w))
1220	return;	1573	return;
1221		1574
1222	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1575	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1223	ev_stop (EV_A_ (W)w);	1576	ev_stop (EV_A_ (W)w);
1224	}	1577	}
…		…
1239	void (cb)(int revents, void arg) = once->cb;	1592	void (cb)(int revents, void arg) = once->cb;
1240	void *arg = once->arg;	1593	void *arg = once->arg;
1241		1594
1242	ev_io_stop (EV_A_ &once->io);	1595	ev_io_stop (EV_A_ &once->io);
1243	ev_timer_stop (EV_A_ &once->to);	1596	ev_timer_stop (EV_A_ &once->to);
1244	free (once);	1597	ev_free (once);
1245		1598
1246	cb (revents, arg);	1599	cb (revents, arg);
1247	}	1600	}
1248		1601
1249	static void	1602	static void
…		…
1259	}	1612	}
1260		1613
1261	void	1614	void
1262	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)	1615	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)
1263	{	1616	{
1264	struct ev_once *once = malloc (sizeof (struct ev_once));	1617	struct ev_once once = (struct ev_once )ev_malloc (sizeof (struct ev_once));
1265		1618
1266	if (!once)	1619	if (!once)
1267	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);	1620	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);
1268	else	1621	else
1269	{	1622	{
1270	once->cb = cb;	1623	once->cb = cb;
1271	once->arg = arg;	1624	once->arg = arg;
1272		1625
1273	ev_watcher_init (&once->io, once_cb_io);	1626	ev_init (&once->io, once_cb_io);
1274	if (fd >= 0)	1627	if (fd >= 0)
1275	{	1628	{
1276	ev_io_set (&once->io, fd, events);	1629	ev_io_set (&once->io, fd, events);
1277	ev_io_start (EV_A_ &once->io);	1630	ev_io_start (EV_A_ &once->io);
1278	}	1631	}
1279		1632
1280	ev_watcher_init (&once->to, once_cb_to);	1633	ev_init (&once->to, once_cb_to);
1281	if (timeout >= 0.)	1634	if (timeout >= 0.)
1282	{	1635	{
1283	ev_timer_set (&once->to, timeout, 0.);	1636	ev_timer_set (&once->to, timeout, 0.);
1284	ev_timer_start (EV_A_ &once->to);	1637	ev_timer_start (EV_A_ &once->to);
1285	}	1638	}
1286	}	1639	}
1287	}	1640	}
1288		1641
1289	/*****************************************************************************/	1642	#ifdef __cplusplus
1290
1291	#if 0
1292
1293	struct ev_io wio;
1294
1295	static void
1296	sin_cb (struct ev_io *w, int revents)
1297	{
1298	fprintf (stderr, "sin %d, revents %d\n", w->fd, revents);
1299	}	1643	}
1300
1301	static void
1302	ocb (struct ev_timer *w, int revents)
1303	{
1304	//fprintf (stderr, "timer %f,%f (%x) (%f) d%p\n", w->at, w->repeat, revents, w->at - ev_time (), w->data);
1305	ev_timer_stop (w);
1306	ev_timer_start (w);
1307	}
1308
1309	static void
1310	scb (struct ev_signal *w, int revents)
1311	{
1312	fprintf (stderr, "signal %x,%d\n", revents, w->signum);
1313	ev_io_stop (&wio);
1314	ev_io_start (&wio);
1315	}
1316
1317	static void
1318	gcb (struct ev_signal *w, int revents)
1319	{
1320	fprintf (stderr, "generic %x\n", revents);
1321
1322	}
1323
1324	int main (void)
1325	{
1326	ev_init (0);
1327
1328	ev_io_init (&wio, sin_cb, 0, EV_READ);
1329	ev_io_start (&wio);
1330
1331	struct ev_timer t[10000];
1332
1333	#if 0
1334	int i;
1335	for (i = 0; i < 10000; ++i)
1336	{
1337	struct ev_timer *w = t + i;
1338	ev_watcher_init (w, ocb, i);
1339	ev_timer_init_abs (w, ocb, drand48 (), 0.99775533);
1340	ev_timer_start (w);
1341	if (drand48 () < 0.5)
1342	ev_timer_stop (w);
1343	}
1344	#endif	1644	#endif
1345		1645
1346	struct ev_timer t1;
1347	ev_timer_init (&t1, ocb, 5, 10);
1348	ev_timer_start (&t1);
1349
1350	struct ev_signal sig;
1351	ev_signal_init (&sig, scb, SIGQUIT);
1352	ev_signal_start (&sig);
1353
1354	struct ev_check cw;
1355	ev_check_init (&cw, gcb);
1356	ev_check_start (&cw);
1357
1358	struct ev_idle iw;
1359	ev_idle_init (&iw, gcb);
1360	ev_idle_start (&iw);
1361
1362	ev_loop (0);
1363
1364	return 0;
1365	}
1366
1367	#endif
1368
1369
1370
1371

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Comparing libev/ev.c (file contents): Revision 1.52 by root, Sat Nov 3 22:10:39 2007 UTC vs. Revision 1.106 by root, Mon Nov 12 01:07:50 2007 UTC

Diff Legend

Comparing libev/ev.c (file contents):
Revision 1.52 by root, Sat Nov 3 22:10:39 2007 UTC vs.
Revision 1.106 by root, Mon Nov 12 01:07:50 2007 UTC