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

Comparing libev/ev.c (file contents):
Revision 1.40 by root, Fri Nov 2 11:02:23 2007 UTC vs.
Revision 1.78 by root, Thu Nov 8 21:08:56 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	#if EV_USE_CONFIG_H	31	#ifndef EV_STANDALONE
32	# include "config.h"	32	# include "config.h"
		33
		34	# if HAVE_CLOCK_GETTIME
		35	# define EV_USE_MONOTONIC 1
		36	# define EV_USE_REALTIME 1
		37	# endif
		38
		39	# if HAVE_SELECT && HAVE_SYS_SELECT_H
		40	# define EV_USE_SELECT 1
		41	# endif
		42
		43	# if HAVE_POLL && HAVE_POLL_H
		44	# define EV_USE_POLL 1
		45	# endif
		46
		47	# if HAVE_EPOLL && HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H
		48	# define EV_USE_EPOLL 1
		49	# endif
		50
		51	# if HAVE_KQUEUE && HAVE_WORKING_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H
		52	# define EV_USE_KQUEUE 1
		53	# endif
		54
33	#endif	55	#endif
34		56
35	#include <math.h>	57	#include <math.h>
36	#include <stdlib.h>	58	#include <stdlib.h>
37	#include <unistd.h>
38	#include <fcntl.h>	59	#include <fcntl.h>
39	#include <signal.h>
40	#include <stddef.h>	60	#include <stddef.h>
41		61
42	#include <stdio.h>	62	#include <stdio.h>
43		63
44	#include <assert.h>	64	#include <assert.h>
45	#include <errno.h>	65	#include <errno.h>
46	#include <sys/types.h>	66	#include <sys/types.h>
47	#include <sys/wait.h>
48	#include <sys/time.h>
49	#include <time.h>	67	#include <time.h>
50		68
		69	#include <signal.h>
		70
		71	#ifndef WIN32
		72	# include <unistd.h>
		73	# include <sys/time.h>
		74	# include <sys/wait.h>
		75	#endif
51	/**/	76	/**/
52		77
53	#ifndef EV_USE_MONOTONIC	78	#ifndef EV_USE_MONOTONIC
54	# define EV_USE_MONOTONIC 1	79	# define EV_USE_MONOTONIC 1
55	#endif	80	#endif
56		81
57	#ifndef EV_USE_SELECT	82	#ifndef EV_USE_SELECT
58	# define EV_USE_SELECT 1	83	# define EV_USE_SELECT 1
59	#endif	84	#endif
60		85
		86	#ifndef EV_USE_POLL
		87	# define EV_USE_POLL 0 /* poll is usually slower than select, and not as well tested */
		88	#endif
		89
61	#ifndef EV_USE_EPOLL	90	#ifndef EV_USE_EPOLL
62	# define EV_USE_EPOLL 0	91	# define EV_USE_EPOLL 0
		92	#endif
		93
		94	#ifndef EV_USE_KQUEUE
		95	# define EV_USE_KQUEUE 0
		96	#endif
		97
		98	#ifndef EV_USE_WIN32
		99	# ifdef WIN32
		100	# define EV_USE_WIN32 0 /* it does not exist, use select */
		101	# undef EV_USE_SELECT
		102	# define EV_USE_SELECT 1
		103	# else
		104	# define EV_USE_WIN32 0
		105	# endif
63	#endif	106	#endif
64		107
65	#ifndef EV_USE_REALTIME	108	#ifndef EV_USE_REALTIME
66	# define EV_USE_REALTIME 1	109	# define EV_USE_REALTIME 1
67	#endif	110	#endif
…		…
96	#endif	139	#endif
97		140
98	#define expect_false(expr) expect ((expr) != 0, 0)	141	#define expect_false(expr) expect ((expr) != 0, 0)
99	#define expect_true(expr) expect ((expr) != 0, 1)	142	#define expect_true(expr) expect ((expr) != 0, 1)
100		143
		144	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
		145	#define ABSPRI(w) ((w)->priority - EV_MINPRI)
		146
101	typedef struct ev_watcher *W;	147	typedef struct ev_watcher *W;
102	typedef struct ev_watcher_list *WL;	148	typedef struct ev_watcher_list *WL;
103	typedef struct ev_watcher_time *WT;	149	typedef struct ev_watcher_time *WT;
104		150
105	static ev_tstamp now_floor, now, diff; /* monotonic clock */	151	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
106	ev_tstamp ev_now;
107	int ev_method;
108		152
109	static int have_monotonic; /* runtime */	153	#include "ev_win32.c"
110
111	static ev_tstamp method_fudge; /* stupid epoll-returns-early bug */
112	static void (*method_modify)(int fd, int oev, int nev);
113	static void (*method_poll)(ev_tstamp timeout);
114		154
115	/*****************************************************************************/	155	/*****************************************************************************/
116		156
117	ev_tstamp	157	static void (syserr_cb)(const char msg);
		158
		159	void ev_set_syserr_cb (void (cb)(const char msg))
		160	{
		161	syserr_cb = cb;
		162	}
		163
		164	static void
		165	syserr (const char *msg)
		166	{
		167	if (!msg)
		168	msg = "(libev) system error";
		169
		170	if (syserr_cb)
		171	syserr_cb (msg);
		172	else
		173	{
		174	perror (msg);
		175	abort ();
		176	}
		177	}
		178
		179	static void (alloc)(void *ptr, long size);
		180
		181	void ev_set_allocator (void (cb)(void *ptr, long size))
		182	{
		183	alloc = cb;
		184	}
		185
		186	static void *
		187	ev_realloc (void *ptr, long size)
		188	{
		189	ptr = alloc ? alloc (ptr, size) : realloc (ptr, size);
		190
		191	if (!ptr && size)
		192	{
		193	fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);
		194	abort ();
		195	}
		196
		197	return ptr;
		198	}
		199
		200	#define ev_malloc(size) ev_realloc (0, (size))
		201	#define ev_free(ptr) ev_realloc ((ptr), 0)
		202
		203	/*****************************************************************************/
		204
		205	typedef struct
		206	{
		207	WL head;
		208	unsigned char events;
		209	unsigned char reify;
		210	} ANFD;
		211
		212	typedef struct
		213	{
		214	W w;
		215	int events;
		216	} ANPENDING;
		217
		218	#if EV_MULTIPLICITY
		219
		220	struct ev_loop
		221	{
		222	# define VAR(name,decl) decl;
		223	# include "ev_vars.h"
		224	};
		225	# undef VAR
		226	# include "ev_wrap.h"
		227
		228	#else
		229
		230	# define VAR(name,decl) static decl;
		231	# include "ev_vars.h"
		232	# undef VAR
		233
		234	#endif
		235
		236	/*****************************************************************************/
		237
		238	inline ev_tstamp
118	ev_time (void)	239	ev_time (void)
119	{	240	{
120	#if EV_USE_REALTIME	241	#if EV_USE_REALTIME
121	struct timespec ts;	242	struct timespec ts;
122	clock_gettime (CLOCK_REALTIME, &ts);	243	clock_gettime (CLOCK_REALTIME, &ts);
…		…
126	gettimeofday (&tv, 0);	247	gettimeofday (&tv, 0);
127	return tv.tv_sec + tv.tv_usec * 1e-6;	248	return tv.tv_sec + tv.tv_usec * 1e-6;
128	#endif	249	#endif
129	}	250	}
130		251
131	static ev_tstamp	252	inline ev_tstamp
132	get_clock (void)	253	get_clock (void)
133	{	254	{
134	#if EV_USE_MONOTONIC	255	#if EV_USE_MONOTONIC
135	if (expect_true (have_monotonic))	256	if (expect_true (have_monotonic))
136	{	257	{
…		…
141	#endif	262	#endif
142		263
143	return ev_time ();	264	return ev_time ();
144	}	265	}
145		266
		267	ev_tstamp
		268	ev_now (EV_P)
		269	{
		270	return rt_now;
		271	}
		272
146	#define array_roundsize(base,n) ((n) \| 4 & ~3)	273	#define array_roundsize(type,n) ((n) \| 4 & ~3)
147		274
148	#define array_needsize(base,cur,cnt,init) \	275	#define array_needsize(type,base,cur,cnt,init) \
149	if (expect_false ((cnt) > cur)) \	276	if (expect_false ((cnt) > cur)) \
150	{ \	277	{ \
151	int newcnt = cur; \	278	int newcnt = cur; \
152	do \	279	do \
153	{ \	280	{ \
154	newcnt = array_roundsize (base, newcnt << 1); \	281	newcnt = array_roundsize (type, newcnt << 1); \
155	} \	282	} \
156	while ((cnt) > newcnt); \	283	while ((cnt) > newcnt); \
157	\	284	\
158	base = realloc (base, sizeof (base) (newcnt)); \	285	base = (type )ev_realloc (base, sizeof (type) (newcnt));\
159	init (base + cur, newcnt - cur); \	286	init (base + cur, newcnt - cur); \
160	cur = newcnt; \	287	cur = newcnt; \
161	}	288	}
		289
		290	#define array_slim(type,stem) \
		291	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \
		292	{ \
		293	stem ## max = array_roundsize (stem ## cnt >> 1); \
		294	base = (type )ev_realloc (base, sizeof (type) (stem ## max));\
		295	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/D/\
		296	}
		297
		298	/* microsoft's pseudo-c is quite far from C as the rest of the world and the standard knows it */
		299	/* bringing us everlasting joy in form of stupid extra macros that are not required in C */
		300	#define array_free_microshit(stem) \
		301	ev_free (stem ## s); stem ## cnt = stem ## max = 0;
		302
		303	#define array_free(stem, idx) \
		304	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;
162		305
163	/*****************************************************************************/	306	/*****************************************************************************/
164
165	typedef struct
166	{
167	struct ev_io *head;
168	unsigned char events;
169	unsigned char reify;
170	} ANFD;
171
172	static ANFD *anfds;
173	static int anfdmax;
174		307
175	static void	308	static void
176	anfds_init (ANFD *base, int count)	309	anfds_init (ANFD *base, int count)
177	{	310	{
178	while (count--)	311	while (count--)
…		…
183		316
184	++base;	317	++base;
185	}	318	}
186	}	319	}
187		320
188	typedef struct	321	void
		322	ev_feed_event (EV_P_ void *w, int revents)
189	{	323	{
190	W w;	324	W w_ = (W)w;
191	int events;
192	} ANPENDING;
193		325
194	static ANPENDING *pendings;
195	static int pendingmax, pendingcnt;
196
197	static void
198	event (W w, int events)
199	{
200	if (w->pending)	326	if (w_->pending)
201	{	327	{
202	pendings [w->pending - 1].events \|= events;	328	pendings [ABSPRI (w_)][w_->pending - 1].events \|= revents;
203	return;	329	return;
204	}	330	}
205		331
206	w->pending = ++pendingcnt;	332	w_->pending = ++pendingcnt [ABSPRI (w_)];
207	array_needsize (pendings, pendingmax, pendingcnt, );	333	array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], (void));
208	pendings [pendingcnt - 1].w = w;	334	pendings [ABSPRI (w_)][w_->pending - 1].w = w_;
209	pendings [pendingcnt - 1].events = events;	335	pendings [ABSPRI (w_)][w_->pending - 1].events = revents;
210	}	336	}
211		337
212	static void	338	static void
213	queue_events (W *events, int eventcnt, int type)	339	queue_events (EV_P_ W *events, int eventcnt, int type)
214	{	340	{
215	int i;	341	int i;
216		342
217	for (i = 0; i < eventcnt; ++i)	343	for (i = 0; i < eventcnt; ++i)
218	event (events [i], type);	344	ev_feed_event (EV_A_ events [i], type);
219	}	345	}
220		346
221	static void	347	static void
222	fd_event (int fd, int events)	348	fd_event (EV_P_ int fd, int events)
223	{	349	{
224	ANFD *anfd = anfds + fd;	350	ANFD *anfd = anfds + fd;
225	struct ev_io *w;	351	struct ev_io *w;
226		352
227	for (w = anfd->head; w; w = w->next)	353	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)
228	{	354	{
229	int ev = w->events & events;	355	int ev = w->events & events;
230		356
231	if (ev)	357	if (ev)
232	event ((W)w, ev);	358	ev_feed_event (EV_A_ (W)w, ev);
233	}	359	}
234	}	360	}
235		361
236	/*****************************************************************************/	362	/*****************************************************************************/
237		363
238	static int *fdchanges;
239	static int fdchangemax, fdchangecnt;
240
241	static void	364	static void
242	fd_reify (void)	365	fd_reify (EV_P)
243	{	366	{
244	int i;	367	int i;
245		368
246	for (i = 0; i < fdchangecnt; ++i)	369	for (i = 0; i < fdchangecnt; ++i)
247	{	370	{
…		…
249	ANFD *anfd = anfds + fd;	372	ANFD *anfd = anfds + fd;
250	struct ev_io *w;	373	struct ev_io *w;
251		374
252	int events = 0;	375	int events = 0;
253		376
254	for (w = anfd->head; w; w = w->next)	377	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)
255	events \|= w->events;	378	events \|= w->events;
256		379
257	anfd->reify = 0;	380	anfd->reify = 0;
258		381
259	if (anfd->events != events)
260	{
261	method_modify (fd, anfd->events, events);	382	method_modify (EV_A_ fd, anfd->events, events);
262	anfd->events = events;	383	anfd->events = events;
263	}
264	}	384	}
265		385
266	fdchangecnt = 0;	386	fdchangecnt = 0;
267	}	387	}
268		388
269	static void	389	static void
270	fd_change (int fd)	390	fd_change (EV_P_ int fd)
271	{	391	{
272	if (anfds [fd].reify \|\| fdchangecnt < 0)	392	if (anfds [fd].reify)
273	return;	393	return;
274		394
275	anfds [fd].reify = 1;	395	anfds [fd].reify = 1;
276		396
277	++fdchangecnt;	397	++fdchangecnt;
278	array_needsize (fdchanges, fdchangemax, fdchangecnt, );	398	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, (void));
279	fdchanges [fdchangecnt - 1] = fd;	399	fdchanges [fdchangecnt - 1] = fd;
280	}	400	}
281		401
		402	static void
		403	fd_kill (EV_P_ int fd)
		404	{
		405	struct ev_io *w;
		406
		407	while ((w = (struct ev_io *)anfds [fd].head))
		408	{
		409	ev_io_stop (EV_A_ w);
		410	ev_feed_event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);
		411	}
		412	}
		413
		414	static int
		415	fd_valid (int fd)
		416	{
		417	#ifdef WIN32
		418	return !!win32_get_osfhandle (fd);
		419	#else
		420	return fcntl (fd, F_GETFD) != -1;
		421	#endif
		422	}
		423
282	/* called on EBADF to verify fds */	424	/* called on EBADF to verify fds */
283	static void	425	static void
284	fd_recheck (void)	426	fd_ebadf (EV_P)
285	{	427	{
286	int fd;	428	int fd;
287		429
288	for (fd = 0; fd < anfdmax; ++fd)	430	for (fd = 0; fd < anfdmax; ++fd)
289	if (anfds [fd].events)	431	if (anfds [fd].events)
290	if (fcntl (fd, F_GETFD) == -1 && errno == EBADF)	432	if (!fd_valid (fd) == -1 && errno == EBADF)
291	while (anfds [fd].head)	433	fd_kill (EV_A_ fd);
		434	}
		435
		436	/* called on ENOMEM in select/poll to kill some fds and retry */
		437	static void
		438	fd_enomem (EV_P)
		439	{
		440	int fd;
		441
		442	for (fd = anfdmax; fd--; )
		443	if (anfds [fd].events)
292	{	444	{
293	ev_io_stop (anfds [fd].head);	445	fd_kill (EV_A_ fd);
294	event ((W)anfds [fd].head, EV_ERROR \| EV_READ \| EV_WRITE);	446	return;
295	}	447	}
		448	}
		449
		450	/* usually called after fork if method needs to re-arm all fds from scratch */
		451	static void
		452	fd_rearm_all (EV_P)
		453	{
		454	int fd;
		455
		456	/* this should be highly optimised to not do anything but set a flag */
		457	for (fd = 0; fd < anfdmax; ++fd)
		458	if (anfds [fd].events)
		459	{
		460	anfds [fd].events = 0;
		461	fd_change (EV_A_ fd);
		462	}
296	}	463	}
297		464
298	/*****************************************************************************/	465	/*****************************************************************************/
299		466
300	static struct ev_timer **timers;
301	static int timermax, timercnt;
302
303	static struct ev_periodic **periodics;
304	static int periodicmax, periodiccnt;
305
306	static void	467	static void
307	upheap (WT *timers, int k)	468	upheap (WT *heap, int k)
308	{	469	{
309	WT w = timers [k];	470	WT w = heap [k];
310		471
311	while (k && timers [k >> 1]->at > w->at)	472	while (k && heap [k >> 1]->at > w->at)
312	{	473	{
313	timers [k] = timers [k >> 1];	474	heap [k] = heap [k >> 1];
314	timers [k]->active = k + 1;	475	((W)heap [k])->active = k + 1;
315	k >>= 1;	476	k >>= 1;
316	}	477	}
317		478
318	timers [k] = w;	479	heap [k] = w;
319	timers [k]->active = k + 1;	480	((W)heap [k])->active = k + 1;
320		481
321	}	482	}
322		483
323	static void	484	static void
324	downheap (WT *timers, int N, int k)	485	downheap (WT *heap, int N, int k)
325	{	486	{
326	WT w = timers [k];	487	WT w = heap [k];
327		488
328	while (k < (N >> 1))	489	while (k < (N >> 1))
329	{	490	{
330	int j = k << 1;	491	int j = k << 1;
331		492
332	if (j + 1 < N && timers [j]->at > timers [j + 1]->at)	493	if (j + 1 < N && heap [j]->at > heap [j + 1]->at)
333	++j;	494	++j;
334		495
335	if (w->at <= timers [j]->at)	496	if (w->at <= heap [j]->at)
336	break;	497	break;
337		498
338	timers [k] = timers [j];	499	heap [k] = heap [j];
339	timers [k]->active = k + 1;	500	((W)heap [k])->active = k + 1;
340	k = j;	501	k = j;
341	}	502	}
342		503
343	timers [k] = w;	504	heap [k] = w;
344	timers [k]->active = k + 1;	505	((W)heap [k])->active = k + 1;
345	}	506	}
346		507
347	/*****************************************************************************/	508	/*****************************************************************************/
348		509
349	typedef struct	510	typedef struct
350	{	511	{
351	struct ev_signal *head;	512	WL head;
352	sig_atomic_t volatile gotsig;	513	sig_atomic_t volatile gotsig;
353	} ANSIG;	514	} ANSIG;
354		515
355	static ANSIG *signals;	516	static ANSIG *signals;
356	static int signalmax;	517	static int signalmax;
…		…
372	}	533	}
373		534
374	static void	535	static void
375	sighandler (int signum)	536	sighandler (int signum)
376	{	537	{
		538	#if WIN32
		539	signal (signum, sighandler);
		540	#endif
		541
377	signals [signum - 1].gotsig = 1;	542	signals [signum - 1].gotsig = 1;
378		543
379	if (!gotsig)	544	if (!gotsig)
380	{	545	{
		546	int old_errno = errno;
381	gotsig = 1;	547	gotsig = 1;
		548	#ifdef WIN32
		549	send (sigpipe [1], &signum, 1, MSG_DONTWAIT);
		550	#else
382	write (sigpipe [1], &signum, 1);	551	write (sigpipe [1], &signum, 1);
		552	#endif
		553	errno = old_errno;
383	}	554	}
384	}	555	}
385		556
386	static void	557	static void
387	sigcb (struct ev_io *iow, int revents)	558	sigcb (EV_P_ struct ev_io *iow, int revents)
388	{	559	{
389	struct ev_signal *w;	560	WL w;
390	int signum;	561	int signum;
391		562
		563	#ifdef WIN32
		564	recv (sigpipe [0], &revents, 1, MSG_DONTWAIT);
		565	#else
392	read (sigpipe [0], &revents, 1);	566	read (sigpipe [0], &revents, 1);
		567	#endif
393	gotsig = 0;	568	gotsig = 0;
394		569
395	for (signum = signalmax; signum--; )	570	for (signum = signalmax; signum--; )
396	if (signals [signum].gotsig)	571	if (signals [signum].gotsig)
397	{	572	{
398	signals [signum].gotsig = 0;	573	signals [signum].gotsig = 0;
399		574
400	for (w = signals [signum].head; w; w = w->next)	575	for (w = signals [signum].head; w; w = w->next)
401	event ((W)w, EV_SIGNAL);	576	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
402	}	577	}
403	}	578	}
404		579
405	static void	580	static void
406	siginit (void)	581	siginit (EV_P)
407	{	582	{
		583	#ifndef WIN32
408	fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC);	584	fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC);
409	fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC);	585	fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC);
410		586
411	/* rather than sort out wether we really need nb, set it */	587	/* rather than sort out wether we really need nb, set it */
412	fcntl (sigpipe [0], F_SETFL, O_NONBLOCK);	588	fcntl (sigpipe [0], F_SETFL, O_NONBLOCK);
413	fcntl (sigpipe [1], F_SETFL, O_NONBLOCK);	589	fcntl (sigpipe [1], F_SETFL, O_NONBLOCK);
		590	#endif
414		591
415	ev_io_set (&sigev, sigpipe [0], EV_READ);	592	ev_io_set (&sigev, sigpipe [0], EV_READ);
416	ev_io_start (&sigev);	593	ev_io_start (EV_A_ &sigev);
		594	ev_unref (EV_A); /* child watcher should not keep loop alive */
417	}	595	}
418		596
419	/*****************************************************************************/	597	/*****************************************************************************/
420		598
421	static struct ev_idle **idles;
422	static int idlemax, idlecnt;
423
424	static struct ev_prepare **prepares;
425	static int preparemax, preparecnt;
426
427	static struct ev_check **checks;
428	static int checkmax, checkcnt;
429
430	/*****************************************************************************/
431
432	static struct ev_child *childs [PID_HASHSIZE];	599	static struct ev_child *childs [PID_HASHSIZE];
		600
		601	#ifndef WIN32
		602
433	static struct ev_signal childev;	603	static struct ev_signal childev;
434		604
435	#ifndef WCONTINUED	605	#ifndef WCONTINUED
436	# define WCONTINUED 0	606	# define WCONTINUED 0
437	#endif	607	#endif
438		608
439	static void	609	static void
440	childcb (struct ev_signal *sw, int revents)	610	child_reap (EV_P_ struct ev_signal *sw, int chain, int pid, int status)
441	{	611	{
442	struct ev_child *w;	612	struct ev_child *w;
		613
		614	for (w = (struct ev_child )childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child )((WL)w)->next)
		615	if (w->pid == pid \|\| !w->pid)
		616	{
		617	ev_priority (w) = ev_priority (sw); /* need to do it now */
		618	w->rpid = pid;
		619	w->rstatus = status;
		620	ev_feed_event (EV_A_ (W)w, EV_CHILD);
		621	}
		622	}
		623
		624	static void
		625	childcb (EV_P_ struct ev_signal *sw, int revents)
		626	{
443	int pid, status;	627	int pid, status;
444		628
445	while ((pid = waitpid (-1, &status, WNOHANG \| WUNTRACED \| WCONTINUED)) != -1)	629	if (0 < (pid = waitpid (-1, &status, WNOHANG \| WUNTRACED \| WCONTINUED)))
446	for (w = childs [pid & (PID_HASHSIZE - 1)]; w; w = w->next)	630	{
447	if (w->pid == pid \|\| !w->pid)	631	/* make sure we are called again until all childs have been reaped */
448	{	632	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
449	w->status = status;	633
450	event ((W)w, EV_CHILD);	634	child_reap (EV_A_ sw, pid, pid, status);
451	}	635	child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */
		636	}
452	}	637	}
		638
		639	#endif
453		640
454	/*****************************************************************************/	641	/*****************************************************************************/
455		642
		643	#if EV_USE_KQUEUE
		644	# include "ev_kqueue.c"
		645	#endif
456	#if EV_USE_EPOLL	646	#if EV_USE_EPOLL
457	# include "ev_epoll.c"	647	# include "ev_epoll.c"
458	#endif	648	#endif
		649	#if EV_USE_POLL
		650	# include "ev_poll.c"
		651	#endif
459	#if EV_USE_SELECT	652	#if EV_USE_SELECT
460	# include "ev_select.c"	653	# include "ev_select.c"
461	#endif	654	#endif
462		655
463	int	656	int
…		…
470	ev_version_minor (void)	663	ev_version_minor (void)
471	{	664	{
472	return EV_VERSION_MINOR;	665	return EV_VERSION_MINOR;
473	}	666	}
474		667
475	int ev_init (int flags)	668	/* return true if we are running with elevated privileges and should ignore env variables */
		669	static int
		670	enable_secure (void)
476	{	671	{
		672	#ifdef WIN32
		673	return 0;
		674	#else
		675	return getuid () != geteuid ()
		676	\|\| getgid () != getegid ();
		677	#endif
		678	}
		679
		680	int
		681	ev_method (EV_P)
		682	{
		683	return method;
		684	}
		685
		686	static void
		687	loop_init (EV_P_ int methods)
		688	{
477	if (!ev_method)	689	if (!method)
478	{	690	{
479	#if EV_USE_MONOTONIC	691	#if EV_USE_MONOTONIC
480	{	692	{
481	struct timespec ts;	693	struct timespec ts;
482	if (!clock_gettime (CLOCK_MONOTONIC, &ts))	694	if (!clock_gettime (CLOCK_MONOTONIC, &ts))
483	have_monotonic = 1;	695	have_monotonic = 1;
484	}	696	}
485	#endif	697	#endif
486		698
487	ev_now = ev_time ();	699	rt_now = ev_time ();
488	now = get_clock ();	700	mn_now = get_clock ();
489	now_floor = now;	701	now_floor = mn_now;
490	diff = ev_now - now;	702	rtmn_diff = rt_now - mn_now;
491		703
492	if (pipe (sigpipe))	704	if (methods == EVMETHOD_AUTO)
493	return 0;	705	if (!enable_secure () && getenv ("LIBEV_METHODS"))
494		706	methods = atoi (getenv ("LIBEV_METHODS"));
		707	else
495	ev_method = EVMETHOD_NONE;	708	methods = EVMETHOD_ANY;
		709
		710	method = 0;
		711	#if EV_USE_WIN32
		712	if (!method && (methods & EVMETHOD_WIN32 )) method = win32_init (EV_A_ methods);
		713	#endif
		714	#if EV_USE_KQUEUE
		715	if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods);
		716	#endif
496	#if EV_USE_EPOLL	717	#if EV_USE_EPOLL
497	if (ev_method == EVMETHOD_NONE) epoll_init (flags);	718	if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods);
		719	#endif
		720	#if EV_USE_POLL
		721	if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods);
498	#endif	722	#endif
499	#if EV_USE_SELECT	723	#if EV_USE_SELECT
500	if (ev_method == EVMETHOD_NONE) select_init (flags);	724	if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods);
501	#endif	725	#endif
502		726
		727	ev_watcher_init (&sigev, sigcb);
		728	ev_set_priority (&sigev, EV_MAXPRI);
		729	}
		730	}
		731
		732	void
		733	loop_destroy (EV_P)
		734	{
		735	int i;
		736
		737	#if EV_USE_WIN32
		738	if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A);
		739	#endif
		740	#if EV_USE_KQUEUE
		741	if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);
		742	#endif
		743	#if EV_USE_EPOLL
		744	if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A);
		745	#endif
		746	#if EV_USE_POLL
		747	if (method == EVMETHOD_POLL ) poll_destroy (EV_A);
		748	#endif
		749	#if EV_USE_SELECT
		750	if (method == EVMETHOD_SELECT) select_destroy (EV_A);
		751	#endif
		752
		753	for (i = NUMPRI; i--; )
		754	array_free (pending, [i]);
		755
		756	/* have to use the microsoft-never-gets-it-right macro */
		757	array_free_microshit (fdchange);
		758	array_free_microshit (timer);
		759	array_free_microshit (periodic);
		760	array_free_microshit (idle);
		761	array_free_microshit (prepare);
		762	array_free_microshit (check);
		763
		764	method = 0;
		765	}
		766
		767	static void
		768	loop_fork (EV_P)
		769	{
		770	#if EV_USE_EPOLL
		771	if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A);
		772	#endif
		773	#if EV_USE_KQUEUE
		774	if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A);
		775	#endif
		776
		777	if (ev_is_active (&sigev))
		778	{
		779	/* default loop */
		780
		781	ev_ref (EV_A);
		782	ev_io_stop (EV_A_ &sigev);
		783	close (sigpipe [0]);
		784	close (sigpipe [1]);
		785
		786	while (pipe (sigpipe))
		787	syserr ("(libev) error creating pipe");
		788
		789	siginit (EV_A);
		790	}
		791
		792	postfork = 0;
		793	}
		794
		795	#if EV_MULTIPLICITY
		796	struct ev_loop *
		797	ev_loop_new (int methods)
		798	{
		799	struct ev_loop loop = (struct ev_loop )ev_malloc (sizeof (struct ev_loop));
		800
		801	memset (loop, 0, sizeof (struct ev_loop));
		802
		803	loop_init (EV_A_ methods);
		804
		805	if (ev_method (EV_A))
		806	return loop;
		807
		808	return 0;
		809	}
		810
		811	void
		812	ev_loop_destroy (EV_P)
		813	{
		814	loop_destroy (EV_A);
		815	ev_free (loop);
		816	}
		817
		818	void
		819	ev_loop_fork (EV_P)
		820	{
		821	postfork = 1;
		822	}
		823
		824	#endif
		825
		826	#if EV_MULTIPLICITY
		827	struct ev_loop default_loop_struct;
		828	static struct ev_loop *default_loop;
		829
		830	struct ev_loop *
		831	#else
		832	static int default_loop;
		833
		834	int
		835	#endif
		836	ev_default_loop (int methods)
		837	{
		838	if (sigpipe [0] == sigpipe [1])
		839	if (pipe (sigpipe))
		840	return 0;
		841
		842	if (!default_loop)
		843	{
		844	#if EV_MULTIPLICITY
		845	struct ev_loop *loop = default_loop = &default_loop_struct;
		846	#else
		847	default_loop = 1;
		848	#endif
		849
		850	loop_init (EV_A_ methods);
		851
503	if (ev_method)	852	if (ev_method (EV_A))
504	{	853	{
505	ev_watcher_init (&sigev, sigcb);
506	siginit ();	854	siginit (EV_A);
507		855
		856	#ifndef WIN32
508	ev_signal_init (&childev, childcb, SIGCHLD);	857	ev_signal_init (&childev, childcb, SIGCHLD);
		858	ev_set_priority (&childev, EV_MAXPRI);
509	ev_signal_start (&childev);	859	ev_signal_start (EV_A_ &childev);
		860	ev_unref (EV_A); /* child watcher should not keep loop alive */
		861	#endif
510	}	862	}
		863	else
		864	default_loop = 0;
511	}	865	}
512		866
513	return ev_method;	867	return default_loop;
		868	}
		869
		870	void
		871	ev_default_destroy (void)
		872	{
		873	#if EV_MULTIPLICITY
		874	struct ev_loop *loop = default_loop;
		875	#endif
		876
		877	#ifndef WIN32
		878	ev_ref (EV_A); /* child watcher */
		879	ev_signal_stop (EV_A_ &childev);
		880	#endif
		881
		882	ev_ref (EV_A); /* signal watcher */
		883	ev_io_stop (EV_A_ &sigev);
		884
		885	close (sigpipe [0]); sigpipe [0] = 0;
		886	close (sigpipe [1]); sigpipe [1] = 0;
		887
		888	loop_destroy (EV_A);
		889	}
		890
		891	void
		892	ev_default_fork (void)
		893	{
		894	#if EV_MULTIPLICITY
		895	struct ev_loop *loop = default_loop;
		896	#endif
		897
		898	if (method)
		899	postfork = 1;
514	}	900	}
515		901
516	/*****************************************************************************/	902	/*****************************************************************************/
517		903
518	void
519	ev_fork_prepare (void)
520	{
521	/* nop */
522	}
523
524	void
525	ev_fork_parent (void)
526	{
527	/* nop */
528	}
529
530	void
531	ev_fork_child (void)
532	{
533	#if EV_USE_EPOLL
534	if (ev_method == EVMETHOD_EPOLL)
535	epoll_postfork_child ();
536	#endif
537
538	ev_io_stop (&sigev);
539	close (sigpipe [0]);
540	close (sigpipe [1]);
541	pipe (sigpipe);
542	siginit ();
543	}
544
545	/*****************************************************************************/
546
547	static void	904	static int
		905	any_pending (EV_P)
		906	{
		907	int pri;
		908
		909	for (pri = NUMPRI; pri--; )
		910	if (pendingcnt [pri])
		911	return 1;
		912
		913	return 0;
		914	}
		915
		916	static void
548	call_pending (void)	917	call_pending (EV_P)
549	{	918	{
		919	int pri;
		920
		921	for (pri = NUMPRI; pri--; )
550	while (pendingcnt)	922	while (pendingcnt [pri])
551	{	923	{
552	ANPENDING *p = pendings + --pendingcnt;	924	ANPENDING *p = pendings [pri] + --pendingcnt [pri];
553		925
554	if (p->w)	926	if (p->w)
555	{	927	{
556	p->w->pending = 0;	928	p->w->pending = 0;
557	p->w->cb (p->w, p->events);	929	p->w->cb (EV_A_ p->w, p->events);
558	}	930	}
559	}	931	}
560	}	932	}
561		933
562	static void	934	static void
563	timers_reify (void)	935	timers_reify (EV_P)
564	{	936	{
565	while (timercnt && timers [0]->at <= now)	937	while (timercnt && ((WT)timers [0])->at <= mn_now)
566	{	938	{
567	struct ev_timer *w = timers [0];	939	struct ev_timer *w = timers [0];
		940
		941	assert (("inactive timer on timer heap detected", ev_is_active (w)));
568		942
569	/* first reschedule or stop timer */	943	/* first reschedule or stop timer */
570	if (w->repeat)	944	if (w->repeat)
571	{	945	{
572	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));	946	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
573	w->at = now + w->repeat;	947	((WT)w)->at = mn_now + w->repeat;
574	downheap ((WT *)timers, timercnt, 0);	948	downheap ((WT *)timers, timercnt, 0);
575	}	949	}
576	else	950	else
577	ev_timer_stop (w); /* nonrepeating: stop timer */	951	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
578		952
579	event ((W)w, EV_TIMEOUT);	953	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
580	}	954	}
581	}	955	}
582		956
583	static void	957	static void
584	periodics_reify (void)	958	periodics_reify (EV_P)
585	{	959	{
586	while (periodiccnt && periodics [0]->at <= ev_now)	960	while (periodiccnt && ((WT)periodics [0])->at <= rt_now)
587	{	961	{
588	struct ev_periodic *w = periodics [0];	962	struct ev_periodic *w = periodics [0];
589		963
		964	assert (("inactive timer on periodic heap detected", ev_is_active (w)));
		965
590	/* first reschedule or stop timer */	966	/* first reschedule or stop timer */
591	if (w->interval)	967	if (w->reschedule_cb)
592	{	968	{
		969	ev_tstamp at = ((WT)w)->at = w->reschedule_cb (w, rt_now + 0.0001);
		970
		971	assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > rt_now));
		972	downheap ((WT *)periodics, periodiccnt, 0);
		973	}
		974	else if (w->interval)
		975	{
593	w->at += floor ((ev_now - w->at) / w->interval + 1.) * w->interval;	976	((WT)w)->at += floor ((rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval;
594	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", w->at > ev_now));	977	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > rt_now));
595	downheap ((WT *)periodics, periodiccnt, 0);	978	downheap ((WT *)periodics, periodiccnt, 0);
596	}	979	}
597	else	980	else
598	ev_periodic_stop (w); /* nonrepeating: stop timer */	981	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
599		982
600	event ((W)w, EV_PERIODIC);	983	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
601	}	984	}
602	}	985	}
603		986
604	static void	987	static void
605	periodics_reschedule (ev_tstamp diff)	988	periodics_reschedule (EV_P)
606	{	989	{
607	int i;	990	int i;
608		991
609	/* adjust periodics after time jump */	992	/* adjust periodics after time jump */
610	for (i = 0; i < periodiccnt; ++i)	993	for (i = 0; i < periodiccnt; ++i)
611	{	994	{
612	struct ev_periodic *w = periodics [i];	995	struct ev_periodic *w = periodics [i];
613		996
		997	if (w->reschedule_cb)
		998	((WT)w)->at = w->reschedule_cb (w, rt_now);
614	if (w->interval)	999	else if (w->interval)
615	{
616	ev_tstamp diff = ceil ((ev_now - w->at) / w->interval) * w->interval;	1000	((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval;
617
618	if (fabs (diff) >= 1e-4)
619	{
620	ev_periodic_stop (w);
621	ev_periodic_start (w);
622
623	i = 0; /* restart loop, inefficient, but time jumps should be rare */
624	}
625	}
626	}	1001	}
627	}
628		1002
629	static int	1003	/* now rebuild the heap */
		1004	for (i = periodiccnt >> 1; i--; )
		1005	downheap ((WT *)periodics, periodiccnt, i);
		1006	}
		1007
		1008	inline int
630	time_update_monotonic (void)	1009	time_update_monotonic (EV_P)
631	{	1010	{
632	now = get_clock ();	1011	mn_now = get_clock ();
633		1012
634	if (expect_true (now - now_floor < MIN_TIMEJUMP * .5))	1013	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
635	{	1014	{
636	ev_now = now + diff;	1015	rt_now = rtmn_diff + mn_now;
637	return 0;	1016	return 0;
638	}	1017	}
639	else	1018	else
640	{	1019	{
641	now_floor = now;	1020	now_floor = mn_now;
642	ev_now = ev_time ();	1021	rt_now = ev_time ();
643	return 1;	1022	return 1;
644	}	1023	}
645	}	1024	}
646		1025
647	static void	1026	static void
648	time_update (void)	1027	time_update (EV_P)
649	{	1028	{
650	int i;	1029	int i;
651		1030
652	#if EV_USE_MONOTONIC	1031	#if EV_USE_MONOTONIC
653	if (expect_true (have_monotonic))	1032	if (expect_true (have_monotonic))
654	{	1033	{
655	if (time_update_monotonic ())	1034	if (time_update_monotonic (EV_A))
656	{	1035	{
657	ev_tstamp odiff = diff;	1036	ev_tstamp odiff = rtmn_diff;
658		1037
659	for (i = 4; --i; ) /* loop a few times, before making important decisions */	1038	for (i = 4; --i; ) /* loop a few times, before making important decisions */
660	{	1039	{
661	diff = ev_now - now;	1040	rtmn_diff = rt_now - mn_now;
662		1041
663	if (fabs (odiff - diff) < MIN_TIMEJUMP)	1042	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)
664	return; /* all is well */	1043	return; /* all is well */
665		1044
666	ev_now = ev_time ();	1045	rt_now = ev_time ();
667	now = get_clock ();	1046	mn_now = get_clock ();
668	now_floor = now;	1047	now_floor = mn_now;
669	}	1048	}
670		1049
671	periodics_reschedule (diff - odiff);	1050	periodics_reschedule (EV_A);
672	/* no timer adjustment, as the monotonic clock doesn't jump */	1051	/* no timer adjustment, as the monotonic clock doesn't jump */
		1052	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */
673	}	1053	}
674	}	1054	}
675	else	1055	else
676	#endif	1056	#endif
677	{	1057	{
678	ev_now = ev_time ();	1058	rt_now = ev_time ();
679		1059
680	if (expect_false (now > ev_now \|\| now < ev_now - MAX_BLOCKTIME - MIN_TIMEJUMP))	1060	if (expect_false (mn_now > rt_now \|\| mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))
681	{	1061	{
682	periodics_reschedule (ev_now - now);	1062	periodics_reschedule (EV_A);
683		1063
684	/* adjust timers. this is easy, as the offset is the same for all */	1064	/* adjust timers. this is easy, as the offset is the same for all */
685	for (i = 0; i < timercnt; ++i)	1065	for (i = 0; i < timercnt; ++i)
686	timers [i]->at += diff;	1066	((WT)timers [i])->at += rt_now - mn_now;
687	}	1067	}
688		1068
689	now = ev_now;	1069	mn_now = rt_now;
690	}	1070	}
691	}	1071	}
692		1072
693	int ev_loop_done;	1073	void
		1074	ev_ref (EV_P)
		1075	{
		1076	++activecnt;
		1077	}
694		1078
		1079	void
		1080	ev_unref (EV_P)
		1081	{
		1082	--activecnt;
		1083	}
		1084
		1085	static int loop_done;
		1086
		1087	void
695	void ev_loop (int flags)	1088	ev_loop (EV_P_ int flags)
696	{	1089	{
697	double block;	1090	double block;
698	ev_loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;	1091	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;
699		1092
700	do	1093	do
701	{	1094	{
702	/* queue check watchers (and execute them) */	1095	/* queue check watchers (and execute them) */
703	if (expect_false (preparecnt))	1096	if (expect_false (preparecnt))
704	{	1097	{
705	queue_events ((W *)prepares, preparecnt, EV_PREPARE);	1098	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
706	call_pending ();	1099	call_pending (EV_A);
707	}	1100	}
708		1101
		1102	/* we might have forked, so reify kernel state if necessary */
		1103	if (expect_false (postfork))
		1104	loop_fork (EV_A);
		1105
709	/* update fd-related kernel structures */	1106	/* update fd-related kernel structures */
710	fd_reify ();	1107	fd_reify (EV_A);
711		1108
712	/* calculate blocking time */	1109	/* calculate blocking time */
713		1110
714	/* we only need this for !monotonic clockor timers, but as we basically	1111	/* we only need this for !monotonic clock or timers, but as we basically
715	always have timers, we just calculate it always */	1112	always have timers, we just calculate it always */
716	#if EV_USE_MONOTONIC	1113	#if EV_USE_MONOTONIC
717	if (expect_true (have_monotonic))	1114	if (expect_true (have_monotonic))
718	time_update_monotonic ();	1115	time_update_monotonic (EV_A);
719	else	1116	else
720	#endif	1117	#endif
721	{	1118	{
722	ev_now = ev_time ();	1119	rt_now = ev_time ();
723	now = ev_now;	1120	mn_now = rt_now;
724	}	1121	}
725		1122
726	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)	1123	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)
727	block = 0.;	1124	block = 0.;
728	else	1125	else
729	{	1126	{
730	block = MAX_BLOCKTIME;	1127	block = MAX_BLOCKTIME;
731		1128
732	if (timercnt)	1129	if (timercnt)
733	{	1130	{
734	ev_tstamp to = timers [0]->at - now + method_fudge;	1131	ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge;
735	if (block > to) block = to;	1132	if (block > to) block = to;
736	}	1133	}
737		1134
738	if (periodiccnt)	1135	if (periodiccnt)
739	{	1136	{
740	ev_tstamp to = periodics [0]->at - ev_now + method_fudge;	1137	ev_tstamp to = ((WT)periodics [0])->at - rt_now + method_fudge;
741	if (block > to) block = to;	1138	if (block > to) block = to;
742	}	1139	}
743		1140
744	if (block < 0.) block = 0.;	1141	if (block < 0.) block = 0.;
745	}	1142	}
746		1143
747	method_poll (block);	1144	method_poll (EV_A_ block);
748		1145
749	/* update ev_now, do magic */	1146	/* update rt_now, do magic */
750	time_update ();	1147	time_update (EV_A);
751		1148
752	/* queue pending timers and reschedule them */	1149	/* queue pending timers and reschedule them */
753	timers_reify (); /* relative timers called last */	1150	timers_reify (EV_A); /* relative timers called last */
754	periodics_reify (); /* absolute timers called first */	1151	periodics_reify (EV_A); /* absolute timers called first */
755		1152
756	/* queue idle watchers unless io or timers are pending */	1153	/* queue idle watchers unless io or timers are pending */
757	if (!pendingcnt)	1154	if (idlecnt && !any_pending (EV_A))
758	queue_events ((W *)idles, idlecnt, EV_IDLE);	1155	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);
759		1156
760	/* queue check watchers, to be executed first */	1157	/* queue check watchers, to be executed first */
761	if (checkcnt)	1158	if (checkcnt)
762	queue_events ((W *)checks, checkcnt, EV_CHECK);	1159	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
763		1160
764	call_pending ();	1161	call_pending (EV_A);
765	}	1162	}
766	while (!ev_loop_done);	1163	while (activecnt && !loop_done);
767		1164
768	if (ev_loop_done != 2)	1165	if (loop_done != 2)
769	ev_loop_done = 0;	1166	loop_done = 0;
		1167	}
		1168
		1169	void
		1170	ev_unloop (EV_P_ int how)
		1171	{
		1172	loop_done = how;
770	}	1173	}
771		1174
772	/*****************************************************************************/	1175	/*****************************************************************************/
773		1176
774	static void	1177	inline void
775	wlist_add (WL *head, WL elem)	1178	wlist_add (WL *head, WL elem)
776	{	1179	{
777	elem->next = *head;	1180	elem->next = *head;
778	*head = elem;	1181	*head = elem;
779	}	1182	}
780		1183
781	static void	1184	inline void
782	wlist_del (WL *head, WL elem)	1185	wlist_del (WL *head, WL elem)
783	{	1186	{
784	while (*head)	1187	while (*head)
785	{	1188	{
786	if (*head == elem)	1189	if (*head == elem)
…		…
791		1194
792	head = &(*head)->next;	1195	head = &(*head)->next;
793	}	1196	}
794	}	1197	}
795		1198
796	static void	1199	inline void
797	ev_clear_pending (W w)	1200	ev_clear_pending (EV_P_ W w)
798	{	1201	{
799	if (w->pending)	1202	if (w->pending)
800	{	1203	{
801	pendings [w->pending - 1].w = 0;	1204	pendings [ABSPRI (w)][w->pending - 1].w = 0;
802	w->pending = 0;	1205	w->pending = 0;
803	}	1206	}
804	}	1207	}
805		1208
806	static void	1209	inline void
807	ev_start (W w, int active)	1210	ev_start (EV_P_ W w, int active)
808	{	1211	{
		1212	if (w->priority < EV_MINPRI) w->priority = EV_MINPRI;
		1213	if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI;
		1214
809	w->active = active;	1215	w->active = active;
		1216	ev_ref (EV_A);
810	}	1217	}
811		1218
812	static void	1219	inline void
813	ev_stop (W w)	1220	ev_stop (EV_P_ W w)
814	{	1221	{
		1222	ev_unref (EV_A);
815	w->active = 0;	1223	w->active = 0;
816	}	1224	}
817		1225
818	/*****************************************************************************/	1226	/*****************************************************************************/
819		1227
820	void	1228	void
821	ev_io_start (struct ev_io *w)	1229	ev_io_start (EV_P_ struct ev_io *w)
822	{	1230	{
823	int fd = w->fd;	1231	int fd = w->fd;
824		1232
825	if (ev_is_active (w))	1233	if (ev_is_active (w))
826	return;	1234	return;
827		1235
828	assert (("ev_io_start called with negative fd", fd >= 0));	1236	assert (("ev_io_start called with negative fd", fd >= 0));
829		1237
830	ev_start ((W)w, 1);	1238	ev_start (EV_A_ (W)w, 1);
831	array_needsize (anfds, anfdmax, fd + 1, anfds_init);	1239	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);
832	wlist_add ((WL *)&anfds[fd].head, (WL)w);	1240	wlist_add ((WL *)&anfds[fd].head, (WL)w);
833		1241
834	fd_change (fd);	1242	fd_change (EV_A_ fd);
835	}	1243	}
836		1244
837	void	1245	void
838	ev_io_stop (struct ev_io *w)	1246	ev_io_stop (EV_P_ struct ev_io *w)
839	{	1247	{
840	ev_clear_pending ((W)w);	1248	ev_clear_pending (EV_A_ (W)w);
841	if (!ev_is_active (w))	1249	if (!ev_is_active (w))
842	return;	1250	return;
843		1251
844	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);	1252	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);
845	ev_stop ((W)w);	1253	ev_stop (EV_A_ (W)w);
846		1254
847	fd_change (w->fd);	1255	fd_change (EV_A_ w->fd);
848	}	1256	}
849		1257
850	void	1258	void
851	ev_timer_start (struct ev_timer *w)	1259	ev_timer_start (EV_P_ struct ev_timer *w)
852	{	1260	{
853	if (ev_is_active (w))	1261	if (ev_is_active (w))
854	return;	1262	return;
855		1263
856	w->at += now;	1264	((WT)w)->at += mn_now;
857		1265
858	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	1266	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
859		1267
860	ev_start ((W)w, ++timercnt);	1268	ev_start (EV_A_ (W)w, ++timercnt);
861	array_needsize (timers, timermax, timercnt, );	1269	array_needsize (struct ev_timer *, timers, timermax, timercnt, (void));
862	timers [timercnt - 1] = w;	1270	timers [timercnt - 1] = w;
863	upheap ((WT *)timers, timercnt - 1);	1271	upheap ((WT *)timers, timercnt - 1);
864	}
865		1272
		1273	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
		1274	}
		1275
866	void	1276	void
867	ev_timer_stop (struct ev_timer *w)	1277	ev_timer_stop (EV_P_ struct ev_timer *w)
868	{	1278	{
869	ev_clear_pending ((W)w);	1279	ev_clear_pending (EV_A_ (W)w);
870	if (!ev_is_active (w))	1280	if (!ev_is_active (w))
871	return;	1281	return;
872		1282
		1283	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
		1284
873	if (w->active < timercnt--)	1285	if (((W)w)->active < timercnt--)
874	{	1286	{
875	timers [w->active - 1] = timers [timercnt];	1287	timers [((W)w)->active - 1] = timers [timercnt];
876	downheap ((WT *)timers, timercnt, w->active - 1);	1288	downheap ((WT *)timers, timercnt, ((W)w)->active - 1);
877	}	1289	}
878		1290
879	w->at = w->repeat;	1291	((WT)w)->at = w->repeat;
880		1292
881	ev_stop ((W)w);	1293	ev_stop (EV_A_ (W)w);
882	}	1294	}
883		1295
884	void	1296	void
885	ev_timer_again (struct ev_timer *w)	1297	ev_timer_again (EV_P_ struct ev_timer *w)
886	{	1298	{
887	if (ev_is_active (w))	1299	if (ev_is_active (w))
888	{	1300	{
889	if (w->repeat)	1301	if (w->repeat)
890	{	1302	{
891	w->at = now + w->repeat;	1303	((WT)w)->at = mn_now + w->repeat;
892	downheap ((WT *)timers, timercnt, w->active - 1);	1304	downheap ((WT *)timers, timercnt, ((W)w)->active - 1);
893	}	1305	}
894	else	1306	else
895	ev_timer_stop (w);	1307	ev_timer_stop (EV_A_ w);
896	}	1308	}
897	else if (w->repeat)	1309	else if (w->repeat)
898	ev_timer_start (w);	1310	ev_timer_start (EV_A_ w);
899	}	1311	}
900		1312
901	void	1313	void
902	ev_periodic_start (struct ev_periodic *w)	1314	ev_periodic_start (EV_P_ struct ev_periodic *w)
903	{	1315	{
904	if (ev_is_active (w))	1316	if (ev_is_active (w))
905	return;	1317	return;
906		1318
		1319	if (w->reschedule_cb)
		1320	((WT)w)->at = w->reschedule_cb (w, rt_now);
		1321	else if (w->interval)
		1322	{
907	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));	1323	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));
908
909	/* this formula differs from the one in periodic_reify because we do not always round up */	1324	/* this formula differs from the one in periodic_reify because we do not always round up */
910	if (w->interval)
911	w->at += ceil ((ev_now - w->at) / w->interval) * w->interval;	1325	((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval;
		1326	}
912		1327
913	ev_start ((W)w, ++periodiccnt);	1328	ev_start (EV_A_ (W)w, ++periodiccnt);
914	array_needsize (periodics, periodicmax, periodiccnt, );	1329	array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, (void));
915	periodics [periodiccnt - 1] = w;	1330	periodics [periodiccnt - 1] = w;
916	upheap ((WT *)periodics, periodiccnt - 1);	1331	upheap ((WT *)periodics, periodiccnt - 1);
917	}
918		1332
		1333	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
		1334	}
		1335
919	void	1336	void
920	ev_periodic_stop (struct ev_periodic *w)	1337	ev_periodic_stop (EV_P_ struct ev_periodic *w)
921	{	1338	{
922	ev_clear_pending ((W)w);	1339	ev_clear_pending (EV_A_ (W)w);
923	if (!ev_is_active (w))	1340	if (!ev_is_active (w))
924	return;	1341	return;
925		1342
		1343	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
		1344
926	if (w->active < periodiccnt--)	1345	if (((W)w)->active < periodiccnt--)
927	{	1346	{
928	periodics [w->active - 1] = periodics [periodiccnt];	1347	periodics [((W)w)->active - 1] = periodics [periodiccnt];
929	downheap ((WT *)periodics, periodiccnt, w->active - 1);	1348	downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);
930	}	1349	}
931		1350
932	ev_stop ((W)w);	1351	ev_stop (EV_A_ (W)w);
933	}	1352	}
934		1353
935	void	1354	void
		1355	ev_periodic_again (EV_P_ struct ev_periodic *w)
		1356	{
		1357	ev_periodic_stop (EV_A_ w);
		1358	ev_periodic_start (EV_A_ w);
		1359	}
		1360
		1361	void
936	ev_signal_start (struct ev_signal *w)	1362	ev_idle_start (EV_P_ struct ev_idle *w)
937	{	1363	{
938	if (ev_is_active (w))	1364	if (ev_is_active (w))
939	return;	1365	return;
940		1366
		1367	ev_start (EV_A_ (W)w, ++idlecnt);
		1368	array_needsize (struct ev_idle *, idles, idlemax, idlecnt, (void));
		1369	idles [idlecnt - 1] = w;
		1370	}
		1371
		1372	void
		1373	ev_idle_stop (EV_P_ struct ev_idle *w)
		1374	{
		1375	ev_clear_pending (EV_A_ (W)w);
		1376	if (ev_is_active (w))
		1377	return;
		1378
		1379	idles [((W)w)->active - 1] = idles [--idlecnt];
		1380	ev_stop (EV_A_ (W)w);
		1381	}
		1382
		1383	void
		1384	ev_prepare_start (EV_P_ struct ev_prepare *w)
		1385	{
		1386	if (ev_is_active (w))
		1387	return;
		1388
		1389	ev_start (EV_A_ (W)w, ++preparecnt);
		1390	array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, (void));
		1391	prepares [preparecnt - 1] = w;
		1392	}
		1393
		1394	void
		1395	ev_prepare_stop (EV_P_ struct ev_prepare *w)
		1396	{
		1397	ev_clear_pending (EV_A_ (W)w);
		1398	if (ev_is_active (w))
		1399	return;
		1400
		1401	prepares [((W)w)->active - 1] = prepares [--preparecnt];
		1402	ev_stop (EV_A_ (W)w);
		1403	}
		1404
		1405	void
		1406	ev_check_start (EV_P_ struct ev_check *w)
		1407	{
		1408	if (ev_is_active (w))
		1409	return;
		1410
		1411	ev_start (EV_A_ (W)w, ++checkcnt);
		1412	array_needsize (struct ev_check *, checks, checkmax, checkcnt, (void));
		1413	checks [checkcnt - 1] = w;
		1414	}
		1415
		1416	void
		1417	ev_check_stop (EV_P_ struct ev_check *w)
		1418	{
		1419	ev_clear_pending (EV_A_ (W)w);
		1420	if (ev_is_active (w))
		1421	return;
		1422
		1423	checks [((W)w)->active - 1] = checks [--checkcnt];
		1424	ev_stop (EV_A_ (W)w);
		1425	}
		1426
		1427	#ifndef SA_RESTART
		1428	# define SA_RESTART 0
		1429	#endif
		1430
		1431	void
		1432	ev_signal_start (EV_P_ struct ev_signal *w)
		1433	{
		1434	#if EV_MULTIPLICITY
		1435	assert (("signal watchers are only supported in the default loop", loop == default_loop));
		1436	#endif
		1437	if (ev_is_active (w))
		1438	return;
		1439
941	assert (("ev_signal_start called with illegal signal number", w->signum > 0));	1440	assert (("ev_signal_start called with illegal signal number", w->signum > 0));
942		1441
943	ev_start ((W)w, 1);	1442	ev_start (EV_A_ (W)w, 1);
944	array_needsize (signals, signalmax, w->signum, signals_init);	1443	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
945	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);	1444	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
946		1445
947	if (!w->next)	1446	if (!((WL)w)->next)
948	{	1447	{
		1448	#if WIN32
		1449	signal (w->signum, sighandler);
		1450	#else
949	struct sigaction sa;	1451	struct sigaction sa;
950	sa.sa_handler = sighandler;	1452	sa.sa_handler = sighandler;
951	sigfillset (&sa.sa_mask);	1453	sigfillset (&sa.sa_mask);
952	sa.sa_flags = 0;	1454	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
953	sigaction (w->signum, &sa, 0);	1455	sigaction (w->signum, &sa, 0);
		1456	#endif
954	}	1457	}
955	}	1458	}
956		1459
957	void	1460	void
958	ev_signal_stop (struct ev_signal *w)	1461	ev_signal_stop (EV_P_ struct ev_signal *w)
959	{	1462	{
960	ev_clear_pending ((W)w);	1463	ev_clear_pending (EV_A_ (W)w);
961	if (!ev_is_active (w))	1464	if (!ev_is_active (w))
962	return;	1465	return;
963		1466
964	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);	1467	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);
965	ev_stop ((W)w);	1468	ev_stop (EV_A_ (W)w);
966		1469
967	if (!signals [w->signum - 1].head)	1470	if (!signals [w->signum - 1].head)
968	signal (w->signum, SIG_DFL);	1471	signal (w->signum, SIG_DFL);
969	}	1472	}
970		1473
971	void	1474	void
972	ev_idle_start (struct ev_idle *w)	1475	ev_child_start (EV_P_ struct ev_child *w)
973	{	1476	{
		1477	#if EV_MULTIPLICITY
		1478	assert (("child watchers are only supported in the default loop", loop == default_loop));
		1479	#endif
974	if (ev_is_active (w))	1480	if (ev_is_active (w))
975	return;	1481	return;
976		1482
977	ev_start ((W)w, ++idlecnt);	1483	ev_start (EV_A_ (W)w, 1);
978	array_needsize (idles, idlemax, idlecnt, );	1484	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
979	idles [idlecnt - 1] = w;
980	}	1485	}
981		1486
982	void	1487	void
983	ev_idle_stop (struct ev_idle *w)	1488	ev_child_stop (EV_P_ struct ev_child *w)
984	{	1489	{
985	ev_clear_pending ((W)w);	1490	ev_clear_pending (EV_A_ (W)w);
986	if (ev_is_active (w))	1491	if (ev_is_active (w))
987	return;	1492	return;
988		1493
989	idles [w->active - 1] = idles [--idlecnt];
990	ev_stop ((W)w);
991	}
992
993	void
994	ev_prepare_start (struct ev_prepare *w)
995	{
996	if (ev_is_active (w))
997	return;
998
999	ev_start ((W)w, ++preparecnt);
1000	array_needsize (prepares, preparemax, preparecnt, );
1001	prepares [preparecnt - 1] = w;
1002	}
1003
1004	void
1005	ev_prepare_stop (struct ev_prepare *w)
1006	{
1007	ev_clear_pending ((W)w);
1008	if (ev_is_active (w))
1009	return;
1010
1011	prepares [w->active - 1] = prepares [--preparecnt];
1012	ev_stop ((W)w);
1013	}
1014
1015	void
1016	ev_check_start (struct ev_check *w)
1017	{
1018	if (ev_is_active (w))
1019	return;
1020
1021	ev_start ((W)w, ++checkcnt);
1022	array_needsize (checks, checkmax, checkcnt, );
1023	checks [checkcnt - 1] = w;
1024	}
1025
1026	void
1027	ev_check_stop (struct ev_check *w)
1028	{
1029	ev_clear_pending ((W)w);
1030	if (ev_is_active (w))
1031	return;
1032
1033	checks [w->active - 1] = checks [--checkcnt];
1034	ev_stop ((W)w);
1035	}
1036
1037	void
1038	ev_child_start (struct ev_child *w)
1039	{
1040	if (ev_is_active (w))
1041	return;
1042
1043	ev_start ((W)w, 1);
1044	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1045	}
1046
1047	void
1048	ev_child_stop (struct ev_child *w)
1049	{
1050	ev_clear_pending ((W)w);
1051	if (ev_is_active (w))
1052	return;
1053
1054	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1494	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1055	ev_stop ((W)w);	1495	ev_stop (EV_A_ (W)w);
1056	}	1496	}
1057		1497
1058	/*****************************************************************************/	1498	/*****************************************************************************/
1059		1499
1060	struct ev_once	1500	struct ev_once
…		…
1064	void (cb)(int revents, void arg);	1504	void (cb)(int revents, void arg);
1065	void *arg;	1505	void *arg;
1066	};	1506	};
1067		1507
1068	static void	1508	static void
1069	once_cb (struct ev_once *once, int revents)	1509	once_cb (EV_P_ struct ev_once *once, int revents)
1070	{	1510	{
1071	void (cb)(int revents, void arg) = once->cb;	1511	void (cb)(int revents, void arg) = once->cb;
1072	void *arg = once->arg;	1512	void *arg = once->arg;
1073		1513
1074	ev_io_stop (&once->io);	1514	ev_io_stop (EV_A_ &once->io);
1075	ev_timer_stop (&once->to);	1515	ev_timer_stop (EV_A_ &once->to);
1076	free (once);	1516	ev_free (once);
1077		1517
1078	cb (revents, arg);	1518	cb (revents, arg);
1079	}	1519	}
1080		1520
1081	static void	1521	static void
1082	once_cb_io (struct ev_io *w, int revents)	1522	once_cb_io (EV_P_ struct ev_io *w, int revents)
1083	{	1523	{
1084	once_cb ((struct ev_once )(((char )w) - offsetof (struct ev_once, io)), revents);	1524	once_cb (EV_A_ (struct ev_once )(((char )w) - offsetof (struct ev_once, io)), revents);
1085	}	1525	}
1086		1526
1087	static void	1527	static void
1088	once_cb_to (struct ev_timer *w, int revents)	1528	once_cb_to (EV_P_ struct ev_timer *w, int revents)
1089	{	1529	{
1090	once_cb ((struct ev_once )(((char )w) - offsetof (struct ev_once, to)), revents);	1530	once_cb (EV_A_ (struct ev_once )(((char )w) - offsetof (struct ev_once, to)), revents);
1091	}	1531	}
1092		1532
1093	void	1533	void
1094	ev_once (int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)	1534	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)
1095	{	1535	{
1096	struct ev_once *once = malloc (sizeof (struct ev_once));	1536	struct ev_once once = (struct ev_once )ev_malloc (sizeof (struct ev_once));
1097		1537
1098	if (!once)	1538	if (!once)
1099	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);	1539	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);
1100	else	1540	else
1101	{	1541	{
…		…
1104		1544
1105	ev_watcher_init (&once->io, once_cb_io);	1545	ev_watcher_init (&once->io, once_cb_io);
1106	if (fd >= 0)	1546	if (fd >= 0)
1107	{	1547	{
1108	ev_io_set (&once->io, fd, events);	1548	ev_io_set (&once->io, fd, events);
1109	ev_io_start (&once->io);	1549	ev_io_start (EV_A_ &once->io);
1110	}	1550	}
1111		1551
1112	ev_watcher_init (&once->to, once_cb_to);	1552	ev_watcher_init (&once->to, once_cb_to);
1113	if (timeout >= 0.)	1553	if (timeout >= 0.)
1114	{	1554	{
1115	ev_timer_set (&once->to, timeout, 0.);	1555	ev_timer_set (&once->to, timeout, 0.);
1116	ev_timer_start (&once->to);	1556	ev_timer_start (EV_A_ &once->to);
1117	}	1557	}
1118	}	1558	}
1119	}	1559	}
1120		1560
1121	/*****************************************************************************/
1122
1123	#if 0
1124
1125	struct ev_io wio;
1126
1127	static void
1128	sin_cb (struct ev_io *w, int revents)
1129	{
1130	fprintf (stderr, "sin %d, revents %d\n", w->fd, revents);
1131	}
1132
1133	static void
1134	ocb (struct ev_timer *w, int revents)
1135	{
1136	//fprintf (stderr, "timer %f,%f (%x) (%f) d%p\n", w->at, w->repeat, revents, w->at - ev_time (), w->data);
1137	ev_timer_stop (w);
1138	ev_timer_start (w);
1139	}
1140
1141	static void
1142	scb (struct ev_signal *w, int revents)
1143	{
1144	fprintf (stderr, "signal %x,%d\n", revents, w->signum);
1145	ev_io_stop (&wio);
1146	ev_io_start (&wio);
1147	}
1148
1149	static void
1150	gcb (struct ev_signal *w, int revents)
1151	{
1152	fprintf (stderr, "generic %x\n", revents);
1153
1154	}
1155
1156	int main (void)
1157	{
1158	ev_init (0);
1159
1160	ev_io_init (&wio, sin_cb, 0, EV_READ);
1161	ev_io_start (&wio);
1162
1163	struct ev_timer t[10000];
1164
1165	#if 0
1166	int i;
1167	for (i = 0; i < 10000; ++i)
1168	{
1169	struct ev_timer *w = t + i;
1170	ev_watcher_init (w, ocb, i);
1171	ev_timer_init_abs (w, ocb, drand48 (), 0.99775533);
1172	ev_timer_start (w);
1173	if (drand48 () < 0.5)
1174	ev_timer_stop (w);
1175	}
1176	#endif
1177
1178	struct ev_timer t1;
1179	ev_timer_init (&t1, ocb, 5, 10);
1180	ev_timer_start (&t1);
1181
1182	struct ev_signal sig;
1183	ev_signal_init (&sig, scb, SIGQUIT);
1184	ev_signal_start (&sig);
1185
1186	struct ev_check cw;
1187	ev_check_init (&cw, gcb);
1188	ev_check_start (&cw);
1189
1190	struct ev_idle iw;
1191	ev_idle_init (&iw, gcb);
1192	ev_idle_start (&iw);
1193
1194	ev_loop (0);
1195
1196	return 0;
1197	}
1198
1199	#endif
1200
1201
1202
1203

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Comparing libev/ev.c (file contents): Revision 1.40 by root, Fri Nov 2 11:02:23 2007 UTC vs. Revision 1.78 by root, Thu Nov 8 21:08:56 2007 UTC

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Comparing libev/ev.c (file contents):
Revision 1.40 by root, Fri Nov 2 11:02:23 2007 UTC vs.
Revision 1.78 by root, Thu Nov 8 21:08:56 2007 UTC