[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 1.51 by root, Sat Nov 3 21:58:51 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	#endif	33	#endif
34		34
35	#include <math.h>	35	#include <math.h>
36	#include <stdlib.h>	36	#include <stdlib.h>
…		…
42	#include <stdio.h>	42	#include <stdio.h>
43		43
44	#include <assert.h>	44	#include <assert.h>
45	#include <errno.h>	45	#include <errno.h>
46	#include <sys/types.h>	46	#include <sys/types.h>
		47	#ifndef WIN32
47	#include <sys/wait.h>	48	# include <sys/wait.h>
		49	#endif
48	#include <sys/time.h>	50	#include <sys/time.h>
49	#include <time.h>	51	#include <time.h>
50		52
51	/**/	53	/**/
52		54
…		…
56		58
57	#ifndef EV_USE_SELECT	59	#ifndef EV_USE_SELECT
58	# define EV_USE_SELECT 1	60	# define EV_USE_SELECT 1
59	#endif	61	#endif
60		62
		63	#ifndef EV_USEV_POLL
		64	# define EV_USEV_POLL 0 /* poll is usually slower than select, and not as well tested */
		65	#endif
		66
61	#ifndef EV_USE_EPOLL	67	#ifndef EV_USE_EPOLL
62	# define EV_USE_EPOLL 0	68	# define EV_USE_EPOLL 0
		69	#endif
		70
		71	#ifndef EV_USE_KQUEUE
		72	# define EV_USE_KQUEUE 0
63	#endif	73	#endif
64		74
65	#ifndef EV_USE_REALTIME	75	#ifndef EV_USE_REALTIME
66	# define EV_USE_REALTIME 1	76	# define EV_USE_REALTIME 1
67	#endif	77	#endif
…		…
96	#endif	106	#endif
97		107
98	#define expect_false(expr) expect ((expr) != 0, 0)	108	#define expect_false(expr) expect ((expr) != 0, 0)
99	#define expect_true(expr) expect ((expr) != 0, 1)	109	#define expect_true(expr) expect ((expr) != 0, 1)
100		110
		111	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
		112	#define ABSPRI(w) ((w)->priority - EV_MINPRI)
		113
101	typedef struct ev_watcher *W;	114	typedef struct ev_watcher *W;
102	typedef struct ev_watcher_list *WL;	115	typedef struct ev_watcher_list *WL;
103	typedef struct ev_watcher_time *WT;	116	typedef struct ev_watcher_time *WT;
104		117
105	static ev_tstamp now_floor, now, diff; /* monotonic clock */	118	static ev_tstamp now_floor, mn_now, diff; /* monotonic clock */
106	ev_tstamp ev_now;	119	static ev_tstamp rt_now;
107	int ev_method;	120	static int method;
108		121
109	static int have_monotonic; /* runtime */	122	static int have_monotonic; /* runtime */
110		123
111	static ev_tstamp method_fudge; /* stupid epoll-returns-early bug */	124	static ev_tstamp method_fudge; /* stupid epoll-returns-early bug */
112	static void (*method_modify)(int fd, int oev, int nev);	125	static void (*method_modify)(EV_P_ int fd, int oev, int nev);
113	static void (*method_poll)(ev_tstamp timeout);	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
114		156
115	/*****************************************************************************/	157	/*****************************************************************************/
116		158
117	ev_tstamp	159	inline ev_tstamp
118	ev_time (void)	160	ev_time (void)
119	{	161	{
120	#if EV_USE_REALTIME	162	#if EV_USE_REALTIME
121	struct timespec ts;	163	struct timespec ts;
122	clock_gettime (CLOCK_REALTIME, &ts);	164	clock_gettime (CLOCK_REALTIME, &ts);
…		…
126	gettimeofday (&tv, 0);	168	gettimeofday (&tv, 0);
127	return tv.tv_sec + tv.tv_usec * 1e-6;	169	return tv.tv_sec + tv.tv_usec * 1e-6;
128	#endif	170	#endif
129	}	171	}
130		172
131	static ev_tstamp	173	inline ev_tstamp
132	get_clock (void)	174	get_clock (void)
133	{	175	{
134	#if EV_USE_MONOTONIC	176	#if EV_USE_MONOTONIC
135	if (expect_true (have_monotonic))	177	if (expect_true (have_monotonic))
136	{	178	{
…		…
139	return ts.tv_sec + ts.tv_nsec * 1e-9;	181	return ts.tv_sec + ts.tv_nsec * 1e-9;
140	}	182	}
141	#endif	183	#endif
142		184
143	return ev_time ();	185	return ev_time ();
		186	}
		187
		188	ev_tstamp
		189	ev_now (EV_P)
		190	{
		191	return rt_now;
144	}	192	}
145		193
146	#define array_roundsize(base,n) ((n) \| 4 & ~3)	194	#define array_roundsize(base,n) ((n) \| 4 & ~3)
147		195
148	#define array_needsize(base,cur,cnt,init) \	196	#define array_needsize(base,cur,cnt,init) \
…		…
162		210
163	/*****************************************************************************/	211	/*****************************************************************************/
164		212
165	typedef struct	213	typedef struct
166	{	214	{
167	struct ev_io *head;	215	struct ev_watcher_list *head;
168	unsigned char events;	216	unsigned char events;
169	unsigned char reify;	217	unsigned char reify;
170	} ANFD;	218	} ANFD;
171		219
172	static ANFD *anfds;	220	static ANFD *anfds;
…		…
189	{	237	{
190	W w;	238	W w;
191	int events;	239	int events;
192	} ANPENDING;	240	} ANPENDING;
193		241
194	static ANPENDING *pendings;	242	static ANPENDING *pendings [NUMPRI];
195	static int pendingmax, pendingcnt;	243	static int pendingmax [NUMPRI], pendingcnt [NUMPRI];
196		244
197	static void	245	static void
198	event (W w, int events)	246	event (EV_P_ W w, int events)
199	{	247	{
200	if (w->pending)	248	if (w->pending)
201	{	249	{
202	pendings [w->pending - 1].events \|= events;	250	pendings [ABSPRI (w)][w->pending - 1].events \|= events;
203	return;	251	return;
204	}	252	}
205		253
206	w->pending = ++pendingcnt;	254	w->pending = ++pendingcnt [ABSPRI (w)];
207	array_needsize (pendings, pendingmax, pendingcnt, );	255	array_needsize (pendings [ABSPRI (w)], pendingmax [ABSPRI (w)], pendingcnt [ABSPRI (w)], );
208	pendings [pendingcnt - 1].w = w;	256	pendings [ABSPRI (w)][w->pending - 1].w = w;
209	pendings [pendingcnt - 1].events = events;	257	pendings [ABSPRI (w)][w->pending - 1].events = events;
210	}	258	}
211		259
212	static void	260	static void
213	queue_events (W *events, int eventcnt, int type)	261	queue_events (EV_P_ W *events, int eventcnt, int type)
214	{	262	{
215	int i;	263	int i;
216		264
217	for (i = 0; i < eventcnt; ++i)	265	for (i = 0; i < eventcnt; ++i)
218	event (events [i], type);	266	event (EV_A_ events [i], type);
219	}	267	}
220		268
221	static void	269	static void
222	fd_event (int fd, int events)	270	fd_event (EV_P_ int fd, int events)
223	{	271	{
224	ANFD *anfd = anfds + fd;	272	ANFD *anfd = anfds + fd;
225	struct ev_io *w;	273	struct ev_io *w;
226		274
227	for (w = anfd->head; w; w = w->next)	275	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)
228	{	276	{
229	int ev = w->events & events;	277	int ev = w->events & events;
230		278
231	if (ev)	279	if (ev)
232	event ((W)w, ev);	280	event (EV_A_ (W)w, ev);
233	}	281	}
234	}	282	}
235		283
236	/*****************************************************************************/	284	/*****************************************************************************/
237		285
238	static int *fdchanges;	286	static int *fdchanges;
239	static int fdchangemax, fdchangecnt;	287	static int fdchangemax, fdchangecnt;
240		288
241	static void	289	static void
242	fd_reify (void)	290	fd_reify (EV_P)
243	{	291	{
244	int i;	292	int i;
245		293
246	for (i = 0; i < fdchangecnt; ++i)	294	for (i = 0; i < fdchangecnt; ++i)
247	{	295	{
…		…
249	ANFD *anfd = anfds + fd;	297	ANFD *anfd = anfds + fd;
250	struct ev_io *w;	298	struct ev_io *w;
251		299
252	int events = 0;	300	int events = 0;
253		301
254	for (w = anfd->head; w; w = w->next)	302	for (w = (struct ev_io )anfd->head; w; w = (struct ev_io )((WL)w)->next)
255	events \|= w->events;	303	events \|= w->events;
256		304
257	anfd->reify = 0;	305	anfd->reify = 0;
258		306
259	if (anfd->events != events)	307	if (anfd->events != events)
260	{	308	{
261	method_modify (fd, anfd->events, events);	309	method_modify (EV_A_ fd, anfd->events, events);
262	anfd->events = events;	310	anfd->events = events;
263	}	311	}
264	}	312	}
265		313
266	fdchangecnt = 0;	314	fdchangecnt = 0;
267	}	315	}
268		316
269	static void	317	static void
270	fd_change (int fd)	318	fd_change (EV_P_ int fd)
271	{	319	{
272	if (anfds [fd].reify \|\| fdchangecnt < 0)	320	if (anfds [fd].reify \|\| fdchangecnt < 0)
273	return;	321	return;
274		322
275	anfds [fd].reify = 1;	323	anfds [fd].reify = 1;
…		…
277	++fdchangecnt;	325	++fdchangecnt;
278	array_needsize (fdchanges, fdchangemax, fdchangecnt, );	326	array_needsize (fdchanges, fdchangemax, fdchangecnt, );
279	fdchanges [fdchangecnt - 1] = fd;	327	fdchanges [fdchangecnt - 1] = fd;
280	}	328	}
281		329
		330	static void
		331	fd_kill (EV_P_ int fd)
		332	{
		333	struct ev_io *w;
		334
		335	while ((w = (struct ev_io *)anfds [fd].head))
		336	{
		337	ev_io_stop (EV_A_ w);
		338	event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);
		339	}
		340	}
		341
282	/* called on EBADF to verify fds */	342	/* called on EBADF to verify fds */
283	static void	343	static void
284	fd_recheck (void)	344	fd_ebadf (EV_P)
285	{	345	{
286	int fd;	346	int fd;
287		347
288	for (fd = 0; fd < anfdmax; ++fd)	348	for (fd = 0; fd < anfdmax; ++fd)
289	if (anfds [fd].events)	349	if (anfds [fd].events)
290	if (fcntl (fd, F_GETFD) == -1 && errno == EBADF)	350	if (fcntl (fd, F_GETFD) == -1 && errno == EBADF)
291	while (anfds [fd].head)	351	fd_kill (EV_A_ fd);
		352	}
		353
		354	/* called on ENOMEM in select/poll to kill some fds and retry */
		355	static void
		356	fd_enomem (EV_P)
		357	{
		358	int fd = anfdmax;
		359
		360	while (fd--)
		361	if (anfds [fd].events)
292	{	362	{
293	ev_io_stop (anfds [fd].head);	363	close (fd);
294	event ((W)anfds [fd].head, EV_ERROR \| EV_READ \| EV_WRITE);	364	fd_kill (EV_A_ fd);
		365	return;
295	}	366	}
296	}	367	}
297		368
298	/*****************************************************************************/	369	/*****************************************************************************/
299		370
300	static struct ev_timer **timers;	371	static struct ev_timer **timers;
…		…
346		417
347	/*****************************************************************************/	418	/*****************************************************************************/
348		419
349	typedef struct	420	typedef struct
350	{	421	{
351	struct ev_signal *head;	422	struct ev_watcher_list *head;
352	sig_atomic_t volatile gotsig;	423	sig_atomic_t volatile gotsig;
353	} ANSIG;	424	} ANSIG;
354		425
355	static ANSIG *signals;	426	static ANSIG *signals;
356	static int signalmax;	427	static int signalmax;
…		…
376	{	447	{
377	signals [signum - 1].gotsig = 1;	448	signals [signum - 1].gotsig = 1;
378		449
379	if (!gotsig)	450	if (!gotsig)
380	{	451	{
		452	int old_errno = errno;
381	gotsig = 1;	453	gotsig = 1;
382	write (sigpipe [1], &signum, 1);	454	write (sigpipe [1], &signum, 1);
		455	errno = old_errno;
383	}	456	}
384	}	457	}
385		458
386	static void	459	static void
387	sigcb (struct ev_io *iow, int revents)	460	sigcb (EV_P_ struct ev_io *iow, int revents)
388	{	461	{
389	struct ev_signal *w;	462	struct ev_watcher_list *w;
390	int signum;	463	int signum;
391		464
392	read (sigpipe [0], &revents, 1);	465	read (sigpipe [0], &revents, 1);
393	gotsig = 0;	466	gotsig = 0;
394		467
…		…
396	if (signals [signum].gotsig)	469	if (signals [signum].gotsig)
397	{	470	{
398	signals [signum].gotsig = 0;	471	signals [signum].gotsig = 0;
399		472
400	for (w = signals [signum].head; w; w = w->next)	473	for (w = signals [signum].head; w; w = w->next)
401	event ((W)w, EV_SIGNAL);	474	event (EV_A_ (W)w, EV_SIGNAL);
402	}	475	}
403	}	476	}
404		477
405	static void	478	static void
406	siginit (void)	479	siginit (EV_P)
407	{	480	{
		481	#ifndef WIN32
408	fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC);	482	fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC);
409	fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC);	483	fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC);
410		484
411	/* rather than sort out wether we really need nb, set it */	485	/* rather than sort out wether we really need nb, set it */
412	fcntl (sigpipe [0], F_SETFL, O_NONBLOCK);	486	fcntl (sigpipe [0], F_SETFL, O_NONBLOCK);
413	fcntl (sigpipe [1], F_SETFL, O_NONBLOCK);	487	fcntl (sigpipe [1], F_SETFL, O_NONBLOCK);
		488	#endif
414		489
415	ev_io_set (&sigev, sigpipe [0], EV_READ);	490	ev_io_set (&sigev, sigpipe [0], EV_READ);
416	ev_io_start (&sigev);	491	ev_io_start (&sigev);
417	}	492	}
418		493
…		…
430	/*****************************************************************************/	505	/*****************************************************************************/
431		506
432	static struct ev_child *childs [PID_HASHSIZE];	507	static struct ev_child *childs [PID_HASHSIZE];
433	static struct ev_signal childev;	508	static struct ev_signal childev;
434		509
		510	#ifndef WIN32
		511
435	#ifndef WCONTINUED	512	#ifndef WCONTINUED
436	# define WCONTINUED 0	513	# define WCONTINUED 0
437	#endif	514	#endif
438		515
439	static void	516	static void
440	childcb (struct ev_signal *sw, int revents)	517	child_reap (EV_P_ struct ev_signal *sw, int chain, int pid, int status)
441	{	518	{
442	struct ev_child *w;	519	struct ev_child *w;
		520
		521	for (w = (struct ev_child )childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child )((WL)w)->next)
		522	if (w->pid == pid \|\| !w->pid)
		523	{
		524	w->priority = sw->priority; /* need to do it now */
		525	w->rpid = pid;
		526	w->rstatus = status;
		527	event (EV_A_ (W)w, EV_CHILD);
		528	}
		529	}
		530
		531	static void
		532	childcb (EV_P_ struct ev_signal *sw, int revents)
		533	{
443	int pid, status;	534	int pid, status;
444		535
445	while ((pid = waitpid (-1, &status, WNOHANG \| WUNTRACED \| WCONTINUED)) != -1)	536	if (0 < (pid = waitpid (-1, &status, WNOHANG \| WUNTRACED \| WCONTINUED)))
446	for (w = childs [pid & (PID_HASHSIZE - 1)]; w; w = w->next)	537	{
447	if (w->pid == pid \|\| !w->pid)	538	/* make sure we are called again until all childs have been reaped */
448	{	539	event (EV_A_ (W)sw, EV_SIGNAL);
449	w->status = status;	540
450	event ((W)w, EV_CHILD);	541	child_reap (EV_A_ sw, pid, pid, status);
451	}	542	child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */
		543	}
452	}	544	}
		545
		546	#endif
453		547
454	/*****************************************************************************/	548	/*****************************************************************************/
455		549
		550	#if EV_USE_KQUEUE
		551	# include "ev_kqueue.c"
		552	#endif
456	#if EV_USE_EPOLL	553	#if EV_USE_EPOLL
457	# include "ev_epoll.c"	554	# include "ev_epoll.c"
458	#endif	555	#endif
		556	#if EV_USEV_POLL
		557	# include "ev_poll.c"
		558	#endif
459	#if EV_USE_SELECT	559	#if EV_USE_SELECT
460	# include "ev_select.c"	560	# include "ev_select.c"
461	#endif	561	#endif
462		562
463	int	563	int
…		…
470	ev_version_minor (void)	570	ev_version_minor (void)
471	{	571	{
472	return EV_VERSION_MINOR;	572	return EV_VERSION_MINOR;
473	}	573	}
474		574
475	int ev_init (int flags)	575	/* return true if we are running with elevated privileges and should ignore env variables */
		576	static int
		577	enable_secure (void)
476	{	578	{
		579	#ifdef WIN32
		580	return 0;
		581	#else
		582	return getuid () != geteuid ()
		583	\|\| getgid () != getegid ();
		584	#endif
		585	}
		586
		587	int
		588	ev_method (EV_P)
		589	{
		590	return method;
		591	}
		592
		593	int
		594	ev_init (EV_P_ int methods)
		595	{
477	if (!ev_method)	596	if (!method)
478	{	597	{
479	#if EV_USE_MONOTONIC	598	#if EV_USE_MONOTONIC
480	{	599	{
481	struct timespec ts;	600	struct timespec ts;
482	if (!clock_gettime (CLOCK_MONOTONIC, &ts))	601	if (!clock_gettime (CLOCK_MONOTONIC, &ts))
483	have_monotonic = 1;	602	have_monotonic = 1;
484	}	603	}
485	#endif	604	#endif
486		605
487	ev_now = ev_time ();	606	rt_now = ev_time ();
488	now = get_clock ();	607	mn_now = get_clock ();
489	now_floor = now;	608	now_floor = mn_now;
490	diff = ev_now - now;	609	diff = rt_now - mn_now;
491		610
492	if (pipe (sigpipe))	611	if (pipe (sigpipe))
493	return 0;	612	return 0;
494		613
		614	if (methods == EVMETHOD_AUTO)
		615	if (!enable_secure () && getenv ("LIBmethodS"))
		616	methods = atoi (getenv ("LIBmethodS"));
		617	else
495	ev_method = EVMETHOD_NONE;	618	methods = EVMETHOD_ANY;
		619
		620	method = 0;
		621	#if EV_USE_KQUEUE
		622	if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods);
		623	#endif
496	#if EV_USE_EPOLL	624	#if EV_USE_EPOLL
497	if (ev_method == EVMETHOD_NONE) epoll_init (flags);	625	if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods);
		626	#endif
		627	#if EV_USEV_POLL
		628	if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods);
498	#endif	629	#endif
499	#if EV_USE_SELECT	630	#if EV_USE_SELECT
500	if (ev_method == EVMETHOD_NONE) select_init (flags);	631	if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods);
501	#endif	632	#endif
502		633
503	if (ev_method)	634	if (method)
504	{	635	{
505	ev_watcher_init (&sigev, sigcb);	636	ev_watcher_init (&sigev, sigcb);
		637	ev_set_priority (&sigev, EV_MAXPRI);
506	siginit ();	638	siginit (EV_A);
507		639
		640	#ifndef WIN32
508	ev_signal_init (&childev, childcb, SIGCHLD);	641	ev_signal_init (&childev, childcb, SIGCHLD);
		642	ev_set_priority (&childev, EV_MAXPRI);
509	ev_signal_start (&childev);	643	ev_signal_start (EV_A_ &childev);
		644	#endif
510	}	645	}
511	}	646	}
512		647
513	return ev_method;	648	return method;
514	}	649	}
515		650
516	/*****************************************************************************/	651	/*****************************************************************************/
517		652
518	void	653	void
…		…
529		664
530	void	665	void
531	ev_fork_child (void)	666	ev_fork_child (void)
532	{	667	{
533	#if EV_USE_EPOLL	668	#if EV_USE_EPOLL
534	if (ev_method == EVMETHOD_EPOLL)	669	if (method == EVMETHOD_EPOLL)
535	epoll_postfork_child ();	670	epoll_postfork_child ();
536	#endif	671	#endif
537		672
538	ev_io_stop (&sigev);	673	ev_io_stop (&sigev);
539	close (sigpipe [0]);	674	close (sigpipe [0]);
…		…
543	}	678	}
544		679
545	/*****************************************************************************/	680	/*****************************************************************************/
546		681
547	static void	682	static void
548	call_pending (void)	683	call_pending (EV_P)
549	{	684	{
		685	int pri;
		686
		687	for (pri = NUMPRI; pri--; )
550	while (pendingcnt)	688	while (pendingcnt [pri])
551	{	689	{
552	ANPENDING *p = pendings + --pendingcnt;	690	ANPENDING *p = pendings [pri] + --pendingcnt [pri];
553		691
554	if (p->w)	692	if (p->w)
555	{	693	{
556	p->w->pending = 0;	694	p->w->pending = 0;
557	p->w->cb (p->w, p->events);	695	p->w->cb (EV_A_ p->w, p->events);
558	}	696	}
559	}	697	}
560	}	698	}
561		699
562	static void	700	static void
563	timers_reify (void)	701	timers_reify (EV_P)
564	{	702	{
565	while (timercnt && timers [0]->at <= now)	703	while (timercnt && timers [0]->at <= mn_now)
566	{	704	{
567	struct ev_timer *w = timers [0];	705	struct ev_timer *w = timers [0];
568		706
569	/* first reschedule or stop timer */	707	/* first reschedule or stop timer */
570	if (w->repeat)	708	if (w->repeat)
571	{	709	{
572	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));	710	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
573	w->at = now + w->repeat;	711	w->at = mn_now + w->repeat;
574	downheap ((WT *)timers, timercnt, 0);	712	downheap ((WT *)timers, timercnt, 0);
575	}	713	}
576	else	714	else
577	ev_timer_stop (w); /* nonrepeating: stop timer */	715	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
578		716
579	event ((W)w, EV_TIMEOUT);	717	event ((W)w, EV_TIMEOUT);
580	}	718	}
581	}	719	}
582		720
583	static void	721	static void
584	periodics_reify (void)	722	periodics_reify (EV_P)
585	{	723	{
586	while (periodiccnt && periodics [0]->at <= ev_now)	724	while (periodiccnt && periodics [0]->at <= rt_now)
587	{	725	{
588	struct ev_periodic *w = periodics [0];	726	struct ev_periodic *w = periodics [0];
589		727
590	/* first reschedule or stop timer */	728	/* first reschedule or stop timer */
591	if (w->interval)	729	if (w->interval)
592	{	730	{
593	w->at += floor ((ev_now - w->at) / w->interval + 1.) * w->interval;	731	w->at += floor ((rt_now - 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));	732	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", w->at > rt_now));
595	downheap ((WT *)periodics, periodiccnt, 0);	733	downheap ((WT *)periodics, periodiccnt, 0);
596	}	734	}
597	else	735	else
598	ev_periodic_stop (w); /* nonrepeating: stop timer */	736	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
599		737
600	event ((W)w, EV_PERIODIC);	738	event (EV_A_ (W)w, EV_PERIODIC);
601	}	739	}
602	}	740	}
603		741
604	static void	742	static void
605	periodics_reschedule (ev_tstamp diff)	743	periodics_reschedule (EV_P_ ev_tstamp diff)
606	{	744	{
607	int i;	745	int i;
608		746
609	/* adjust periodics after time jump */	747	/* adjust periodics after time jump */
610	for (i = 0; i < periodiccnt; ++i)	748	for (i = 0; i < periodiccnt; ++i)
611	{	749	{
612	struct ev_periodic *w = periodics [i];	750	struct ev_periodic *w = periodics [i];
613		751
614	if (w->interval)	752	if (w->interval)
615	{	753	{
616	ev_tstamp diff = ceil ((ev_now - w->at) / w->interval) * w->interval;	754	ev_tstamp diff = ceil ((rt_now - w->at) / w->interval) * w->interval;
617		755
618	if (fabs (diff) >= 1e-4)	756	if (fabs (diff) >= 1e-4)
619	{	757	{
620	ev_periodic_stop (w);	758	ev_periodic_stop (EV_A_ w);
621	ev_periodic_start (w);	759	ev_periodic_start (EV_A_ w);
622		760
623	i = 0; /* restart loop, inefficient, but time jumps should be rare */	761	i = 0; /* restart loop, inefficient, but time jumps should be rare */
624	}	762	}
625	}	763	}
626	}	764	}
627	}	765	}
628		766
629	static int	767	inline int
630	time_update_monotonic (void)	768	time_update_monotonic (EV_P)
631	{	769	{
632	now = get_clock ();	770	mn_now = get_clock ();
633		771
634	if (expect_true (now - now_floor < MIN_TIMEJUMP * .5))	772	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
635	{	773	{
636	ev_now = now + diff;	774	rt_now = mn_now + diff;
637	return 0;	775	return 0;
638	}	776	}
639	else	777	else
640	{	778	{
641	now_floor = now;	779	now_floor = mn_now;
642	ev_now = ev_time ();	780	rt_now = ev_time ();
643	return 1;	781	return 1;
644	}	782	}
645	}	783	}
646		784
647	static void	785	static void
648	time_update (void)	786	time_update (EV_P)
649	{	787	{
650	int i;	788	int i;
651		789
652	#if EV_USE_MONOTONIC	790	#if EV_USE_MONOTONIC
653	if (expect_true (have_monotonic))	791	if (expect_true (have_monotonic))
654	{	792	{
655	if (time_update_monotonic ())	793	if (time_update_monotonic (EV_A))
656	{	794	{
657	ev_tstamp odiff = diff;	795	ev_tstamp odiff = diff;
658		796
659	for (i = 4; --i; ) /* loop a few times, before making important decisions */	797	for (i = 4; --i; ) /* loop a few times, before making important decisions */
660	{	798	{
661	diff = ev_now - now;	799	diff = rt_now - mn_now;
662		800
663	if (fabs (odiff - diff) < MIN_TIMEJUMP)	801	if (fabs (odiff - diff) < MIN_TIMEJUMP)
664	return; /* all is well */	802	return; /* all is well */
665		803
666	ev_now = ev_time ();	804	rt_now = ev_time ();
667	now = get_clock ();	805	mn_now = get_clock ();
668	now_floor = now;	806	now_floor = mn_now;
669	}	807	}
670		808
671	periodics_reschedule (diff - odiff);	809	periodics_reschedule (EV_A_ diff - odiff);
672	/* no timer adjustment, as the monotonic clock doesn't jump */	810	/* no timer adjustment, as the monotonic clock doesn't jump */
673	}	811	}
674	}	812	}
675	else	813	else
676	#endif	814	#endif
677	{	815	{
678	ev_now = ev_time ();	816	rt_now = ev_time ();
679		817
680	if (expect_false (now > ev_now \|\| now < ev_now - MAX_BLOCKTIME - MIN_TIMEJUMP))	818	if (expect_false (mn_now > rt_now \|\| mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))
681	{	819	{
682	periodics_reschedule (ev_now - now);	820	periodics_reschedule (EV_A_ rt_now - mn_now);
683		821
684	/* adjust timers. this is easy, as the offset is the same for all */	822	/* adjust timers. this is easy, as the offset is the same for all */
685	for (i = 0; i < timercnt; ++i)	823	for (i = 0; i < timercnt; ++i)
686	timers [i]->at += diff;	824	timers [i]->at += diff;
687	}	825	}
688		826
689	now = ev_now;	827	mn_now = rt_now;
690	}	828	}
691	}	829	}
692		830
693	int ev_loop_done;	831	void
		832	ev_ref (EV_P)
		833	{
		834	++activecnt;
		835	}
694		836
		837	void
		838	ev_unref (EV_P)
		839	{
		840	--activecnt;
		841	}
		842
		843	static int loop_done;
		844
		845	void
695	void ev_loop (int flags)	846	ev_loop (EV_P_ int flags)
696	{	847	{
697	double block;	848	double block;
698	ev_loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;	849	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK) ? 1 : 0;
699		850
700	do	851	do
701	{	852	{
702	/* queue check watchers (and execute them) */	853	/* queue check watchers (and execute them) */
703	if (expect_false (preparecnt))	854	if (expect_false (preparecnt))
704	{	855	{
705	queue_events ((W *)prepares, preparecnt, EV_PREPARE);	856	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
706	call_pending ();	857	call_pending (EV_A);
707	}	858	}
708		859
709	/* update fd-related kernel structures */	860	/* update fd-related kernel structures */
710	fd_reify ();	861	fd_reify (EV_A);
711		862
712	/* calculate blocking time */	863	/* calculate blocking time */
713		864
714	/* we only need this for !monotonic clockor timers, but as we basically	865	/* we only need this for !monotonic clockor timers, but as we basically
715	always have timers, we just calculate it always */	866	always have timers, we just calculate it always */
716	#if EV_USE_MONOTONIC	867	#if EV_USE_MONOTONIC
717	if (expect_true (have_monotonic))	868	if (expect_true (have_monotonic))
718	time_update_monotonic ();	869	time_update_monotonic (EV_A);
719	else	870	else
720	#endif	871	#endif
721	{	872	{
722	ev_now = ev_time ();	873	rt_now = ev_time ();
723	now = ev_now;	874	mn_now = rt_now;
724	}	875	}
725		876
726	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)	877	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)
727	block = 0.;	878	block = 0.;
728	else	879	else
729	{	880	{
730	block = MAX_BLOCKTIME;	881	block = MAX_BLOCKTIME;
731		882
732	if (timercnt)	883	if (timercnt)
733	{	884	{
734	ev_tstamp to = timers [0]->at - now + method_fudge;	885	ev_tstamp to = timers [0]->at - mn_now + method_fudge;
735	if (block > to) block = to;	886	if (block > to) block = to;
736	}	887	}
737		888
738	if (periodiccnt)	889	if (periodiccnt)
739	{	890	{
740	ev_tstamp to = periodics [0]->at - ev_now + method_fudge;	891	ev_tstamp to = periodics [0]->at - rt_now + method_fudge;
741	if (block > to) block = to;	892	if (block > to) block = to;
742	}	893	}
743		894
744	if (block < 0.) block = 0.;	895	if (block < 0.) block = 0.;
745	}	896	}
746		897
747	method_poll (block);	898	method_poll (EV_A_ block);
748		899
749	/* update ev_now, do magic */	900	/* update rt_now, do magic */
750	time_update ();	901	time_update (EV_A);
751		902
752	/* queue pending timers and reschedule them */	903	/* queue pending timers and reschedule them */
753	timers_reify (); /* relative timers called last */	904	timers_reify (EV_A); /* relative timers called last */
754	periodics_reify (); /* absolute timers called first */	905	periodics_reify (EV_A); /* absolute timers called first */
755		906
756	/* queue idle watchers unless io or timers are pending */	907	/* queue idle watchers unless io or timers are pending */
757	if (!pendingcnt)	908	if (!pendingcnt)
758	queue_events ((W *)idles, idlecnt, EV_IDLE);	909	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);
759		910
760	/* queue check watchers, to be executed first */	911	/* queue check watchers, to be executed first */
761	if (checkcnt)	912	if (checkcnt)
762	queue_events ((W *)checks, checkcnt, EV_CHECK);	913	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
763		914
764	call_pending ();	915	call_pending (EV_A);
		916	printf ("activecnt %d\n", activecnt);//D
765	}	917	}
766	while (!ev_loop_done);	918	while (activecnt && !loop_done);
767		919
768	if (ev_loop_done != 2)	920	if (loop_done != 2)
769	ev_loop_done = 0;	921	loop_done = 0;
		922	}
		923
		924	void
		925	ev_unloop (EV_P_ int how)
		926	{
		927	loop_done = how;
770	}	928	}
771		929
772	/*****************************************************************************/	930	/*****************************************************************************/
773		931
774	static void	932	inline void
775	wlist_add (WL *head, WL elem)	933	wlist_add (WL *head, WL elem)
776	{	934	{
777	elem->next = *head;	935	elem->next = *head;
778	*head = elem;	936	*head = elem;
779	}	937	}
780		938
781	static void	939	inline void
782	wlist_del (WL *head, WL elem)	940	wlist_del (WL *head, WL elem)
783	{	941	{
784	while (*head)	942	while (*head)
785	{	943	{
786	if (*head == elem)	944	if (*head == elem)
…		…
791		949
792	head = &(*head)->next;	950	head = &(*head)->next;
793	}	951	}
794	}	952	}
795		953
796	static void	954	inline void
797	ev_clear_pending (W w)	955	ev_clear_pending (EV_P_ W w)
798	{	956	{
799	if (w->pending)	957	if (w->pending)
800	{	958	{
801	pendings [w->pending - 1].w = 0;	959	pendings [ABSPRI (w)][w->pending - 1].w = 0;
802	w->pending = 0;	960	w->pending = 0;
803	}	961	}
804	}	962	}
805		963
806	static void	964	inline void
807	ev_start (W w, int active)	965	ev_start (EV_P_ W w, int active)
808	{	966	{
		967	if (w->priority < EV_MINPRI) w->priority = EV_MINPRI;
		968	if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI;
		969
809	w->active = active;	970	w->active = active;
		971	ev_ref (EV_A);
810	}	972	}
811		973
812	static void	974	inline void
813	ev_stop (W w)	975	ev_stop (EV_P_ W w)
814	{	976	{
		977	ev_unref (EV_A);
815	w->active = 0;	978	w->active = 0;
816	}	979	}
817		980
818	/*****************************************************************************/	981	/*****************************************************************************/
819		982
820	void	983	void
821	ev_io_start (struct ev_io *w)	984	ev_io_start (EV_P_ struct ev_io *w)
822	{	985	{
823	int fd = w->fd;	986	int fd = w->fd;
824		987
825	if (ev_is_active (w))	988	if (ev_is_active (w))
826	return;	989	return;
827		990
828	assert (("ev_io_start called with negative fd", fd >= 0));	991	assert (("ev_io_start called with negative fd", fd >= 0));
829		992
830	ev_start ((W)w, 1);	993	ev_start (EV_A_ (W)w, 1);
831	array_needsize (anfds, anfdmax, fd + 1, anfds_init);	994	array_needsize (anfds, anfdmax, fd + 1, anfds_init);
832	wlist_add ((WL *)&anfds[fd].head, (WL)w);	995	wlist_add ((WL *)&anfds[fd].head, (WL)w);
833		996
834	fd_change (fd);	997	fd_change (EV_A_ fd);
835	}	998	}
836		999
837	void	1000	void
838	ev_io_stop (struct ev_io *w)	1001	ev_io_stop (EV_P_ struct ev_io *w)
839	{	1002	{
840	ev_clear_pending ((W)w);	1003	ev_clear_pending (EV_A_ (W)w);
841	if (!ev_is_active (w))	1004	if (!ev_is_active (w))
842	return;	1005	return;
843		1006
844	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);	1007	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);
845	ev_stop ((W)w);	1008	ev_stop (EV_A_ (W)w);
846		1009
847	fd_change (w->fd);	1010	fd_change (EV_A_ w->fd);
848	}	1011	}
849		1012
850	void	1013	void
851	ev_timer_start (struct ev_timer *w)	1014	ev_timer_start (EV_P_ struct ev_timer *w)
852	{	1015	{
853	if (ev_is_active (w))	1016	if (ev_is_active (w))
854	return;	1017	return;
855		1018
856	w->at += now;	1019	w->at += mn_now;
857		1020
858	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	1021	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
859		1022
860	ev_start ((W)w, ++timercnt);	1023	ev_start (EV_A_ (W)w, ++timercnt);
861	array_needsize (timers, timermax, timercnt, );	1024	array_needsize (timers, timermax, timercnt, );
862	timers [timercnt - 1] = w;	1025	timers [timercnt - 1] = w;
863	upheap ((WT *)timers, timercnt - 1);	1026	upheap ((WT *)timers, timercnt - 1);
864	}	1027	}
865		1028
866	void	1029	void
867	ev_timer_stop (struct ev_timer *w)	1030	ev_timer_stop (EV_P_ struct ev_timer *w)
868	{	1031	{
869	ev_clear_pending ((W)w);	1032	ev_clear_pending (EV_A_ (W)w);
870	if (!ev_is_active (w))	1033	if (!ev_is_active (w))
871	return;	1034	return;
872		1035
873	if (w->active < timercnt--)	1036	if (w->active < timercnt--)
874	{	1037	{
…		…
876	downheap ((WT *)timers, timercnt, w->active - 1);	1039	downheap ((WT *)timers, timercnt, w->active - 1);
877	}	1040	}
878		1041
879	w->at = w->repeat;	1042	w->at = w->repeat;
880		1043
881	ev_stop ((W)w);	1044	ev_stop (EV_A_ (W)w);
882	}	1045	}
883		1046
884	void	1047	void
885	ev_timer_again (struct ev_timer *w)	1048	ev_timer_again (EV_P_ struct ev_timer *w)
886	{	1049	{
887	if (ev_is_active (w))	1050	if (ev_is_active (w))
888	{	1051	{
889	if (w->repeat)	1052	if (w->repeat)
890	{	1053	{
891	w->at = now + w->repeat;	1054	w->at = mn_now + w->repeat;
892	downheap ((WT *)timers, timercnt, w->active - 1);	1055	downheap ((WT *)timers, timercnt, w->active - 1);
893	}	1056	}
894	else	1057	else
895	ev_timer_stop (w);	1058	ev_timer_stop (EV_A_ w);
896	}	1059	}
897	else if (w->repeat)	1060	else if (w->repeat)
898	ev_timer_start (w);	1061	ev_timer_start (EV_A_ w);
899	}	1062	}
900		1063
901	void	1064	void
902	ev_periodic_start (struct ev_periodic *w)	1065	ev_periodic_start (EV_P_ struct ev_periodic *w)
903	{	1066	{
904	if (ev_is_active (w))	1067	if (ev_is_active (w))
905	return;	1068	return;
906		1069
907	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));	1070	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));
908		1071
909	/* this formula differs from the one in periodic_reify because we do not always round up */	1072	/* this formula differs from the one in periodic_reify because we do not always round up */
910	if (w->interval)	1073	if (w->interval)
911	w->at += ceil ((ev_now - w->at) / w->interval) * w->interval;	1074	w->at += ceil ((rt_now - w->at) / w->interval) * w->interval;
912		1075
913	ev_start ((W)w, ++periodiccnt);	1076	ev_start (EV_A_ (W)w, ++periodiccnt);
914	array_needsize (periodics, periodicmax, periodiccnt, );	1077	array_needsize (periodics, periodicmax, periodiccnt, );
915	periodics [periodiccnt - 1] = w;	1078	periodics [periodiccnt - 1] = w;
916	upheap ((WT *)periodics, periodiccnt - 1);	1079	upheap ((WT *)periodics, periodiccnt - 1);
917	}	1080	}
918		1081
919	void	1082	void
920	ev_periodic_stop (struct ev_periodic *w)	1083	ev_periodic_stop (EV_P_ struct ev_periodic *w)
921	{	1084	{
922	ev_clear_pending ((W)w);	1085	ev_clear_pending (EV_A_ (W)w);
923	if (!ev_is_active (w))	1086	if (!ev_is_active (w))
924	return;	1087	return;
925		1088
926	if (w->active < periodiccnt--)	1089	if (w->active < periodiccnt--)
927	{	1090	{
928	periodics [w->active - 1] = periodics [periodiccnt];	1091	periodics [w->active - 1] = periodics [periodiccnt];
929	downheap ((WT *)periodics, periodiccnt, w->active - 1);	1092	downheap ((WT *)periodics, periodiccnt, w->active - 1);
930	}	1093	}
931		1094
932	ev_stop ((W)w);	1095	ev_stop (EV_A_ (W)w);
933	}	1096	}
934		1097
		1098	#ifndef SA_RESTART
		1099	# define SA_RESTART 0
		1100	#endif
		1101
935	void	1102	void
936	ev_signal_start (struct ev_signal *w)	1103	ev_signal_start (EV_P_ struct ev_signal *w)
937	{	1104	{
938	if (ev_is_active (w))	1105	if (ev_is_active (w))
939	return;	1106	return;
940		1107
941	assert (("ev_signal_start called with illegal signal number", w->signum > 0));	1108	assert (("ev_signal_start called with illegal signal number", w->signum > 0));
942		1109
943	ev_start ((W)w, 1);	1110	ev_start (EV_A_ (W)w, 1);
944	array_needsize (signals, signalmax, w->signum, signals_init);	1111	array_needsize (signals, signalmax, w->signum, signals_init);
945	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);	1112	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
946		1113
947	if (!w->next)	1114	if (!w->next)
948	{	1115	{
949	struct sigaction sa;	1116	struct sigaction sa;
950	sa.sa_handler = sighandler;	1117	sa.sa_handler = sighandler;
951	sigfillset (&sa.sa_mask);	1118	sigfillset (&sa.sa_mask);
952	sa.sa_flags = 0;	1119	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
953	sigaction (w->signum, &sa, 0);	1120	sigaction (w->signum, &sa, 0);
954	}	1121	}
955	}	1122	}
956		1123
957	void	1124	void
958	ev_signal_stop (struct ev_signal *w)	1125	ev_signal_stop (EV_P_ struct ev_signal *w)
959	{	1126	{
960	ev_clear_pending ((W)w);	1127	ev_clear_pending (EV_A_ (W)w);
961	if (!ev_is_active (w))	1128	if (!ev_is_active (w))
962	return;	1129	return;
963		1130
964	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);	1131	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);
965	ev_stop ((W)w);	1132	ev_stop (EV_A_ (W)w);
966		1133
967	if (!signals [w->signum - 1].head)	1134	if (!signals [w->signum - 1].head)
968	signal (w->signum, SIG_DFL);	1135	signal (w->signum, SIG_DFL);
969	}	1136	}
970		1137
971	void	1138	void
972	ev_idle_start (struct ev_idle *w)	1139	ev_idle_start (EV_P_ struct ev_idle *w)
973	{	1140	{
974	if (ev_is_active (w))	1141	if (ev_is_active (w))
975	return;	1142	return;
976		1143
977	ev_start ((W)w, ++idlecnt);	1144	ev_start (EV_A_ (W)w, ++idlecnt);
978	array_needsize (idles, idlemax, idlecnt, );	1145	array_needsize (idles, idlemax, idlecnt, );
979	idles [idlecnt - 1] = w;	1146	idles [idlecnt - 1] = w;
980	}	1147	}
981		1148
982	void	1149	void
983	ev_idle_stop (struct ev_idle *w)	1150	ev_idle_stop (EV_P_ struct ev_idle *w)
984	{	1151	{
985	ev_clear_pending ((W)w);	1152	ev_clear_pending (EV_A_ (W)w);
986	if (ev_is_active (w))	1153	if (ev_is_active (w))
987	return;	1154	return;
988		1155
989	idles [w->active - 1] = idles [--idlecnt];	1156	idles [w->active - 1] = idles [--idlecnt];
990	ev_stop ((W)w);	1157	ev_stop (EV_A_ (W)w);
991	}	1158	}
992		1159
993	void	1160	void
994	ev_prepare_start (struct ev_prepare *w)	1161	ev_prepare_start (EV_P_ struct ev_prepare *w)
995	{	1162	{
996	if (ev_is_active (w))	1163	if (ev_is_active (w))
997	return;	1164	return;
998		1165
999	ev_start ((W)w, ++preparecnt);	1166	ev_start (EV_A_ (W)w, ++preparecnt);
1000	array_needsize (prepares, preparemax, preparecnt, );	1167	array_needsize (prepares, preparemax, preparecnt, );
1001	prepares [preparecnt - 1] = w;	1168	prepares [preparecnt - 1] = w;
1002	}	1169	}
1003		1170
1004	void	1171	void
1005	ev_prepare_stop (struct ev_prepare *w)	1172	ev_prepare_stop (EV_P_ struct ev_prepare *w)
1006	{	1173	{
1007	ev_clear_pending ((W)w);	1174	ev_clear_pending (EV_A_ (W)w);
1008	if (ev_is_active (w))	1175	if (ev_is_active (w))
1009	return;	1176	return;
1010		1177
1011	prepares [w->active - 1] = prepares [--preparecnt];	1178	prepares [w->active - 1] = prepares [--preparecnt];
1012	ev_stop ((W)w);	1179	ev_stop (EV_A_ (W)w);
1013	}	1180	}
1014		1181
1015	void	1182	void
1016	ev_check_start (struct ev_check *w)	1183	ev_check_start (EV_P_ struct ev_check *w)
1017	{	1184	{
1018	if (ev_is_active (w))	1185	if (ev_is_active (w))
1019	return;	1186	return;
1020		1187
1021	ev_start ((W)w, ++checkcnt);	1188	ev_start (EV_A_ (W)w, ++checkcnt);
1022	array_needsize (checks, checkmax, checkcnt, );	1189	array_needsize (checks, checkmax, checkcnt, );
1023	checks [checkcnt - 1] = w;	1190	checks [checkcnt - 1] = w;
1024	}	1191	}
1025		1192
1026	void	1193	void
1027	ev_check_stop (struct ev_check *w)	1194	ev_check_stop (EV_P_ struct ev_check *w)
1028	{	1195	{
1029	ev_clear_pending ((W)w);	1196	ev_clear_pending (EV_A_ (W)w);
1030	if (ev_is_active (w))	1197	if (ev_is_active (w))
1031	return;	1198	return;
1032		1199
1033	checks [w->active - 1] = checks [--checkcnt];	1200	checks [w->active - 1] = checks [--checkcnt];
1034	ev_stop ((W)w);	1201	ev_stop (EV_A_ (W)w);
1035	}	1202	}
1036		1203
1037	void	1204	void
1038	ev_child_start (struct ev_child *w)	1205	ev_child_start (EV_P_ struct ev_child *w)
1039	{	1206	{
1040	if (ev_is_active (w))	1207	if (ev_is_active (w))
1041	return;	1208	return;
1042		1209
1043	ev_start ((W)w, 1);	1210	ev_start (EV_A_ (W)w, 1);
1044	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1211	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1045	}	1212	}
1046		1213
1047	void	1214	void
1048	ev_child_stop (struct ev_child *w)	1215	ev_child_stop (EV_P_ struct ev_child *w)
1049	{	1216	{
1050	ev_clear_pending ((W)w);	1217	ev_clear_pending (EV_A_ (W)w);
1051	if (ev_is_active (w))	1218	if (ev_is_active (w))
1052	return;	1219	return;
1053		1220
1054	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1221	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1055	ev_stop ((W)w);	1222	ev_stop (EV_A_ (W)w);
1056	}	1223	}
1057		1224
1058	/*****************************************************************************/	1225	/*****************************************************************************/
1059		1226
1060	struct ev_once	1227	struct ev_once
…		…
1064	void (cb)(int revents, void arg);	1231	void (cb)(int revents, void arg);
1065	void *arg;	1232	void *arg;
1066	};	1233	};
1067		1234
1068	static void	1235	static void
1069	once_cb (struct ev_once *once, int revents)	1236	once_cb (EV_P_ struct ev_once *once, int revents)
1070	{	1237	{
1071	void (cb)(int revents, void arg) = once->cb;	1238	void (cb)(int revents, void arg) = once->cb;
1072	void *arg = once->arg;	1239	void *arg = once->arg;
1073		1240
1074	ev_io_stop (&once->io);	1241	ev_io_stop (EV_A_ &once->io);
1075	ev_timer_stop (&once->to);	1242	ev_timer_stop (EV_A_ &once->to);
1076	free (once);	1243	free (once);
1077		1244
1078	cb (revents, arg);	1245	cb (revents, arg);
1079	}	1246	}
1080		1247
1081	static void	1248	static void
1082	once_cb_io (struct ev_io *w, int revents)	1249	once_cb_io (EV_P_ struct ev_io *w, int revents)
1083	{	1250	{
1084	once_cb ((struct ev_once )(((char )w) - offsetof (struct ev_once, io)), revents);	1251	once_cb (EV_A_ (struct ev_once )(((char )w) - offsetof (struct ev_once, io)), revents);
1085	}	1252	}
1086		1253
1087	static void	1254	static void
1088	once_cb_to (struct ev_timer *w, int revents)	1255	once_cb_to (EV_P_ struct ev_timer *w, int revents)
1089	{	1256	{
1090	once_cb ((struct ev_once )(((char )w) - offsetof (struct ev_once, to)), revents);	1257	once_cb (EV_A_ (struct ev_once )(((char )w) - offsetof (struct ev_once, to)), revents);
1091	}	1258	}
1092		1259
1093	void	1260	void
1094	ev_once (int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)	1261	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)
1095	{	1262	{
1096	struct ev_once *once = malloc (sizeof (struct ev_once));	1263	struct ev_once *once = malloc (sizeof (struct ev_once));
1097		1264
1098	if (!once)	1265	if (!once)
1099	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);	1266	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);
…		…
1104		1271
1105	ev_watcher_init (&once->io, once_cb_io);	1272	ev_watcher_init (&once->io, once_cb_io);
1106	if (fd >= 0)	1273	if (fd >= 0)
1107	{	1274	{
1108	ev_io_set (&once->io, fd, events);	1275	ev_io_set (&once->io, fd, events);
1109	ev_io_start (&once->io);	1276	ev_io_start (EV_A_ &once->io);
1110	}	1277	}
1111		1278
1112	ev_watcher_init (&once->to, once_cb_to);	1279	ev_watcher_init (&once->to, once_cb_to);
1113	if (timeout >= 0.)	1280	if (timeout >= 0.)
1114	{	1281	{
1115	ev_timer_set (&once->to, timeout, 0.);	1282	ev_timer_set (&once->to, timeout, 0.);
1116	ev_timer_start (&once->to);	1283	ev_timer_start (EV_A_ &once->to);
1117	}	1284	}
1118	}	1285	}
1119	}	1286	}
1120		1287
1121	/*****************************************************************************/	1288	/*****************************************************************************/

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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 1.51 by root, Sat Nov 3 21:58:51 2007 UTC

Diff Legend

Comparing libev/ev.c (file contents):
Revision 1.40 by root, Fri Nov 2 11:02:23 2007 UTC vs.
Revision 1.51 by root, Sat Nov 3 21:58:51 2007 UTC