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

Comparing libev/ev.c (file contents):
Revision 1.151 by root, Tue Nov 27 19:59:08 2007 UTC vs.
Revision 1.172 by root, Sun Dec 9 02:27:44 2007 UTC

…		…
94	# else	94	# else
95	# define EV_USE_PORT 0	95	# define EV_USE_PORT 0
96	# endif	96	# endif
97	# endif	97	# endif
98		98
		99	# ifndef EV_USE_INOTIFY
		100	# if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H
		101	# define EV_USE_INOTIFY 1
		102	# else
		103	# define EV_USE_INOTIFY 0
		104	# endif
		105	# endif
		106
99	#endif	107	#endif
100		108
101	#include <math.h>	109	#include <math.h>
102	#include <stdlib.h>	110	#include <stdlib.h>
103	#include <fcntl.h>	111	#include <fcntl.h>
…		…
109	#include <errno.h>	117	#include <errno.h>
110	#include <sys/types.h>	118	#include <sys/types.h>
111	#include <time.h>	119	#include <time.h>
112		120
113	#include <signal.h>	121	#include <signal.h>
		122
		123	#ifdef EV_H
		124	# include EV_H
		125	#else
		126	# include "ev.h"
		127	#endif
114		128
115	#ifndef _WIN32	129	#ifndef _WIN32
116	# include <sys/time.h>	130	# include <sys/time.h>
117	# include <sys/wait.h>	131	# include <sys/wait.h>
118	# include <unistd.h>	132	# include <unistd.h>
…		…
156		170
157	#ifndef EV_USE_PORT	171	#ifndef EV_USE_PORT
158	# define EV_USE_PORT 0	172	# define EV_USE_PORT 0
159	#endif	173	#endif
160		174
		175	#ifndef EV_USE_INOTIFY
		176	# define EV_USE_INOTIFY 0
		177	#endif
		178
161	#ifndef EV_PID_HASHSIZE	179	#ifndef EV_PID_HASHSIZE
162	# if EV_MINIMAL	180	# if EV_MINIMAL
163	# define EV_PID_HASHSIZE 1	181	# define EV_PID_HASHSIZE 1
164	# else	182	# else
165	# define EV_PID_HASHSIZE 16	183	# define EV_PID_HASHSIZE 16
166	# endif	184	# endif
167	#endif	185	#endif
168		186
		187	#ifndef EV_INOTIFY_HASHSIZE
		188	# if EV_MINIMAL
		189	# define EV_INOTIFY_HASHSIZE 1
		190	# else
		191	# define EV_INOTIFY_HASHSIZE 16
		192	# endif
		193	#endif
		194
169	/**/	195	/**/
170		196
171	#ifndef CLOCK_MONOTONIC	197	#ifndef CLOCK_MONOTONIC
172	# undef EV_USE_MONOTONIC	198	# undef EV_USE_MONOTONIC
173	# define EV_USE_MONOTONIC 0	199	# define EV_USE_MONOTONIC 0
…		…
180		206
181	#if EV_SELECT_IS_WINSOCKET	207	#if EV_SELECT_IS_WINSOCKET
182	# include <winsock.h>	208	# include <winsock.h>
183	#endif	209	#endif
184		210
		211	#if !EV_STAT_ENABLE
		212	# define EV_USE_INOTIFY 0
		213	#endif
		214
		215	#if EV_USE_INOTIFY
		216	# include <sys/inotify.h>
		217	#endif
		218
185	/**/	219	/**/
186		220
187	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */	221	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */
188	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */	222	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
189	/#define CLEANUP_INTERVAL (MAX_BLOCKTIME 5.) /* how often to try to free memory and re-check fds */	223	/#define CLEANUP_INTERVAL (MAX_BLOCKTIME 5.) /* how often to try to free memory and re-check fds */
190		224
191	#ifdef EV_H
192	# include EV_H
193	#else
194	# include "ev.h"
195	#endif
196
197	#if __GNUC__ >= 3	225	#if __GNUC__ >= 3
198	# define expect(expr,value) __builtin_expect ((expr),(value))	226	# define expect(expr,value) __builtin_expect ((expr),(value))
199	# define inline_size static inline /* inline for codesize */
200	# if EV_MINIMAL
201	# define noinline __attribute__ ((noinline))	227	# define noinline __attribute__ ((noinline))
202	# define inline_speed static noinline
203	# else
204	# define noinline
205	# define inline_speed static inline
206	# endif
207	#else	228	#else
208	# define expect(expr,value) (expr)	229	# define expect(expr,value) (expr)
209	# define inline_speed static
210	# define inline_size static
211	# define noinline	230	# define noinline
		231	# if __STDC_VERSION__ < 199901L
		232	# define inline
		233	# endif
212	#endif	234	#endif
213		235
214	#define expect_false(expr) expect ((expr) != 0, 0)	236	#define expect_false(expr) expect ((expr) != 0, 0)
215	#define expect_true(expr) expect ((expr) != 0, 1)	237	#define expect_true(expr) expect ((expr) != 0, 1)
		238	#define inline_size static inline
		239
		240	#if EV_MINIMAL
		241	# define inline_speed static noinline
		242	#else
		243	# define inline_speed static inline
		244	#endif
216		245
217	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	246	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
218	#define ABSPRI(w) ((w)->priority - EV_MINPRI)	247	#define ABSPRI(w) (((W)w)->priority - EV_MINPRI)
219		248
220	#define EMPTY0 /* required for microsofts broken pseudo-c compiler */	249	#define EMPTY /* required for microsofts broken pseudo-c compiler */
221	#define EMPTY2(a,b) /* used to suppress some warnings */	250	#define EMPTY2(a,b) /* used to suppress some warnings */
222		251
223	typedef ev_watcher *W;	252	typedef ev_watcher *W;
224	typedef ev_watcher_list *WL;	253	typedef ev_watcher_list *WL;
225	typedef ev_watcher_time *WT;	254	typedef ev_watcher_time *WT;
…		…
253	perror (msg);	282	perror (msg);
254	abort ();	283	abort ();
255	}	284	}
256	}	285	}
257		286
258	static void (alloc)(void *ptr, size_t size) = realloc;	287	static void (alloc)(void *ptr, long size);
259		288
260	void	289	void
261	ev_set_allocator (void (cb)(void *ptr, size_t size))	290	ev_set_allocator (void (cb)(void *ptr, long size))
262	{	291	{
263	alloc = cb;	292	alloc = cb;
264	}	293	}
265		294
266	inline_speed void *	295	inline_speed void *
267	ev_realloc (void *ptr, size_t size)	296	ev_realloc (void *ptr, long size)
268	{	297	{
269	ptr = alloc (ptr, size);	298	ptr = alloc ? alloc (ptr, size) : realloc (ptr, size);
270		299
271	if (!ptr && size)	300	if (!ptr && size)
272	{	301	{
273	fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", (long)size);	302	fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);
274	abort ();	303	abort ();
275	}	304	}
276		305
277	return ptr;	306	return ptr;
278	}	307	}
…		…
295	typedef struct	324	typedef struct
296	{	325	{
297	W w;	326	W w;
298	int events;	327	int events;
299	} ANPENDING;	328	} ANPENDING;
		329
		330	#if EV_USE_INOTIFY
		331	typedef struct
		332	{
		333	WL head;
		334	} ANFS;
		335	#endif
300		336
301	#if EV_MULTIPLICITY	337	#if EV_MULTIPLICITY
302		338
303	struct ev_loop	339	struct ev_loop
304	{	340	{
…		…
361	{	397	{
362	return ev_rt_now;	398	return ev_rt_now;
363	}	399	}
364	#endif	400	#endif
365		401
366	#define array_roundsize(type,n) (((n) \| 4) & ~3)	402	int inline_size
		403	array_nextsize (int elem, int cur, int cnt)
		404	{
		405	int ncur = cur + 1;
		406
		407	do
		408	ncur <<= 1;
		409	while (cnt > ncur);
		410
		411	/* if size > 4096, round to 4096 - 4 * longs to accomodate malloc overhead */
		412	if (elem * ncur > 4096)
		413	{
		414	ncur *= elem;
		415	ncur = (ncur + elem + 4095 + sizeof (void ) 4) & ~4095;
		416	ncur = ncur - sizeof (void ) 4;
		417	ncur /= elem;
		418	}
		419
		420	return ncur;
		421	}
		422
		423	static noinline void *
		424	array_realloc (int elem, void base, int cur, int cnt)
		425	{
		426	cur = array_nextsize (elem, cur, cnt);
		427	return ev_realloc (base, elem * *cur);
		428	}
367		429
368	#define array_needsize(type,base,cur,cnt,init) \	430	#define array_needsize(type,base,cur,cnt,init) \
369	if (expect_false ((cnt) > cur)) \	431	if (expect_false ((cnt) > (cur))) \
370	{ \	432	{ \
371	int newcnt = cur; \	433	int ocur_ = (cur); \
372	do \	434	(base) = (type *)array_realloc \
373	{ \	435	(sizeof (type), (base), &(cur), (cnt)); \
374	newcnt = array_roundsize (type, newcnt << 1); \	436	init ((base) + (ocur_), (cur) - ocur_); \
375	} \
376	while ((cnt) > newcnt); \
377	\
378	base = (type )ev_realloc (base, sizeof (type) (newcnt));\
379	init (base + cur, newcnt - cur); \
380	cur = newcnt; \
381	}	437	}
382		438
		439	#if 0
383	#define array_slim(type,stem) \	440	#define array_slim(type,stem) \
384	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \	441	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \
385	{ \	442	{ \
386	stem ## max = array_roundsize (stem ## cnt >> 1); \	443	stem ## max = array_roundsize (stem ## cnt >> 1); \
387	base = (type )ev_realloc (base, sizeof (type) (stem ## max));\	444	base = (type )ev_realloc (base, sizeof (type) (stem ## max));\
388	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/D/\	445	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/D/\
389	}	446	}
		447	#endif
390		448
391	#define array_free(stem, idx) \	449	#define array_free(stem, idx) \
392	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;	450	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;
393		451
394	/*****************************************************************************/	452	/*****************************************************************************/
395		453
396	void noinline	454	void noinline
397	ev_feed_event (EV_P_ void *w, int revents)	455	ev_feed_event (EV_P_ void *w, int revents)
398	{	456	{
399	W w_ = (W)w;	457	W w_ = (W)w;
		458	int pri = ABSPRI (w_);
400		459
401	if (expect_false (w_->pending))	460	if (expect_false (w_->pending))
		461	pendings [pri][w_->pending - 1].events \|= revents;
		462	else
402	{	463	{
		464	w_->pending = ++pendingcnt [pri];
		465	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
		466	pendings [pri][w_->pending - 1].w = w_;
403	pendings [ABSPRI (w_)][w_->pending - 1].events \|= revents;	467	pendings [pri][w_->pending - 1].events = revents;
404	return;
405	}	468	}
406
407	w_->pending = ++pendingcnt [ABSPRI (w_)];
408	array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2);
409	pendings [ABSPRI (w_)][w_->pending - 1].w = w_;
410	pendings [ABSPRI (w_)][w_->pending - 1].events = revents;
411	}	469	}
412		470
413	void inline_size	471	void inline_size
414	queue_events (EV_P_ W *events, int eventcnt, int type)	472	queue_events (EV_P_ W *events, int eventcnt, int type)
415	{	473	{
…		…
450	}	508	}
451		509
452	void	510	void
453	ev_feed_fd_event (EV_P_ int fd, int revents)	511	ev_feed_fd_event (EV_P_ int fd, int revents)
454	{	512	{
		513	if (fd >= 0 && fd < anfdmax)
455	fd_event (EV_A_ fd, revents);	514	fd_event (EV_A_ fd, revents);
456	}	515	}
457		516
458	void inline_size	517	void inline_size
459	fd_reify (EV_P)	518	fd_reify (EV_P)
460	{	519	{
…		…
554	static void noinline	613	static void noinline
555	fd_rearm_all (EV_P)	614	fd_rearm_all (EV_P)
556	{	615	{
557	int fd;	616	int fd;
558		617
559	/* this should be highly optimised to not do anything but set a flag */
560	for (fd = 0; fd < anfdmax; ++fd)	618	for (fd = 0; fd < anfdmax; ++fd)
561	if (anfds [fd].events)	619	if (anfds [fd].events)
562	{	620	{
563	anfds [fd].events = 0;	621	anfds [fd].events = 0;
564	fd_change (EV_A_ fd);	622	fd_change (EV_A_ fd);
…		…
691	for (signum = signalmax; signum--; )	749	for (signum = signalmax; signum--; )
692	if (signals [signum].gotsig)	750	if (signals [signum].gotsig)
693	ev_feed_signal_event (EV_A_ signum + 1);	751	ev_feed_signal_event (EV_A_ signum + 1);
694	}	752	}
695		753
696	void inline_size	754	void inline_speed
697	fd_intern (int fd)	755	fd_intern (int fd)
698	{	756	{
699	#ifdef _WIN32	757	#ifdef _WIN32
700	int arg = 1;	758	int arg = 1;
701	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);	759	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
…		…
730	ev_child *w;	788	ev_child *w;
731		789
732	for (w = (ev_child )childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child )((WL)w)->next)	790	for (w = (ev_child )childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child )((WL)w)->next)
733	if (w->pid == pid \|\| !w->pid)	791	if (w->pid == pid \|\| !w->pid)
734	{	792	{
735	ev_priority (w) = ev_priority (sw); /* need to do it now */	793	ev_set_priority (w, ev_priority (sw)); /* need to do it now */
736	w->rpid = pid;	794	w->rpid = pid;
737	w->rstatus = status;	795	w->rstatus = status;
738	ev_feed_event (EV_A_ (W)w, EV_CHILD);	796	ev_feed_event (EV_A_ (W)w, EV_CHILD);
739	}	797	}
740	}	798	}
741		799
742	#ifndef WCONTINUED	800	#ifndef WCONTINUED
…		…
852	ev_backend (EV_P)	910	ev_backend (EV_P)
853	{	911	{
854	return backend;	912	return backend;
855	}	913	}
856		914
		915	unsigned int
		916	ev_loop_count (EV_P)
		917	{
		918	return loop_count;
		919	}
		920
857	static void noinline	921	static void noinline
858	loop_init (EV_P_ unsigned int flags)	922	loop_init (EV_P_ unsigned int flags)
859	{	923	{
860	if (!backend)	924	if (!backend)
861	{	925	{
…		…
870	ev_rt_now = ev_time ();	934	ev_rt_now = ev_time ();
871	mn_now = get_clock ();	935	mn_now = get_clock ();
872	now_floor = mn_now;	936	now_floor = mn_now;
873	rtmn_diff = ev_rt_now - mn_now;	937	rtmn_diff = ev_rt_now - mn_now;
874		938
		939	/* pid check not overridable via env */
		940	#ifndef _WIN32
		941	if (flags & EVFLAG_FORKCHECK)
		942	curpid = getpid ();
		943	#endif
		944
875	if (!(flags & EVFLAG_NOENV)	945	if (!(flags & EVFLAG_NOENV)
876	&& !enable_secure ()	946	&& !enable_secure ()
877	&& getenv ("LIBEV_FLAGS"))	947	&& getenv ("LIBEV_FLAGS"))
878	flags = atoi (getenv ("LIBEV_FLAGS"));	948	flags = atoi (getenv ("LIBEV_FLAGS"));
879		949
880	if (!(flags & 0x0000ffffUL))	950	if (!(flags & 0x0000ffffUL))
881	flags \|= ev_recommended_backends ();	951	flags \|= ev_recommended_backends ();
882		952
883	backend = 0;	953	backend = 0;
		954	backend_fd = -1;
		955	#if EV_USE_INOTIFY
		956	fs_fd = -2;
		957	#endif
		958
884	#if EV_USE_PORT	959	#if EV_USE_PORT
885	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);	960	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
886	#endif	961	#endif
887	#if EV_USE_KQUEUE	962	#if EV_USE_KQUEUE
888	if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);	963	if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);
…		…
905	static void noinline	980	static void noinline
906	loop_destroy (EV_P)	981	loop_destroy (EV_P)
907	{	982	{
908	int i;	983	int i;
909		984
		985	#if EV_USE_INOTIFY
		986	if (fs_fd >= 0)
		987	close (fs_fd);
		988	#endif
		989
		990	if (backend_fd >= 0)
		991	close (backend_fd);
		992
910	#if EV_USE_PORT	993	#if EV_USE_PORT
911	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);	994	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
912	#endif	995	#endif
913	#if EV_USE_KQUEUE	996	#if EV_USE_KQUEUE
914	if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);	997	if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);
…		…
922	#if EV_USE_SELECT	1005	#if EV_USE_SELECT
923	if (backend == EVBACKEND_SELECT) select_destroy (EV_A);	1006	if (backend == EVBACKEND_SELECT) select_destroy (EV_A);
924	#endif	1007	#endif
925		1008
926	for (i = NUMPRI; i--; )	1009	for (i = NUMPRI; i--; )
		1010	{
927	array_free (pending, [i]);	1011	array_free (pending, [i]);
		1012	#if EV_IDLE_ENABLE
		1013	array_free (idle, [i]);
		1014	#endif
		1015	}
928		1016
929	/* have to use the microsoft-never-gets-it-right macro */	1017	/* have to use the microsoft-never-gets-it-right macro */
930	array_free (fdchange, EMPTY0);	1018	array_free (fdchange, EMPTY);
931	array_free (timer, EMPTY0);	1019	array_free (timer, EMPTY);
932	#if EV_PERIODIC_ENABLE	1020	#if EV_PERIODIC_ENABLE
933	array_free (periodic, EMPTY0);	1021	array_free (periodic, EMPTY);
934	#endif	1022	#endif
935	array_free (idle, EMPTY0);
936	array_free (prepare, EMPTY0);	1023	array_free (prepare, EMPTY);
937	array_free (check, EMPTY0);	1024	array_free (check, EMPTY);
938		1025
939	backend = 0;	1026	backend = 0;
940	}	1027	}
		1028
		1029	void inline_size infy_fork (EV_P);
941		1030
942	void inline_size	1031	void inline_size
943	loop_fork (EV_P)	1032	loop_fork (EV_P)
944	{	1033	{
945	#if EV_USE_PORT	1034	#if EV_USE_PORT
…		…
948	#if EV_USE_KQUEUE	1037	#if EV_USE_KQUEUE
949	if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A);	1038	if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A);
950	#endif	1039	#endif
951	#if EV_USE_EPOLL	1040	#if EV_USE_EPOLL
952	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);	1041	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);
		1042	#endif
		1043	#if EV_USE_INOTIFY
		1044	infy_fork (EV_A);
953	#endif	1045	#endif
954		1046
955	if (ev_is_active (&sigev))	1047	if (ev_is_active (&sigev))
956	{	1048	{
957	/* default loop */	1049	/* default loop */
…		…
1073	postfork = 1;	1165	postfork = 1;
1074	}	1166	}
1075		1167
1076	/*****************************************************************************/	1168	/*****************************************************************************/
1077		1169
1078	int inline_size	1170	void
1079	any_pending (EV_P)	1171	ev_invoke (EV_P_ void *w, int revents)
1080	{	1172	{
1081	int pri;	1173	EV_CB_INVOKE ((W)w, revents);
1082
1083	for (pri = NUMPRI; pri--; )
1084	if (pendingcnt [pri])
1085	return 1;
1086
1087	return 0;
1088	}	1174	}
1089		1175
1090	void inline_speed	1176	void inline_speed
1091	call_pending (EV_P)	1177	call_pending (EV_P)
1092	{	1178	{
…		…
1184	for (i = periodiccnt >> 1; i--; )	1270	for (i = periodiccnt >> 1; i--; )
1185	downheap ((WT *)periodics, periodiccnt, i);	1271	downheap ((WT *)periodics, periodiccnt, i);
1186	}	1272	}
1187	#endif	1273	#endif
1188		1274
		1275	#if EV_IDLE_ENABLE
		1276	void inline_size
		1277	idle_reify (EV_P)
		1278	{
		1279	if (expect_false (idleall))
		1280	{
		1281	int pri;
		1282
		1283	for (pri = NUMPRI; pri--; )
		1284	{
		1285	if (pendingcnt [pri])
		1286	break;
		1287
		1288	if (idlecnt [pri])
		1289	{
		1290	queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE);
		1291	break;
		1292	}
		1293	}
		1294	}
		1295	}
		1296	#endif
		1297
1189	int inline_size	1298	int inline_size
1190	time_update_monotonic (EV_P)	1299	time_update_monotonic (EV_P)
1191	{	1300	{
1192	mn_now = get_clock ();	1301	mn_now = get_clock ();
1193		1302
…		…
1217	ev_tstamp odiff = rtmn_diff;	1326	ev_tstamp odiff = rtmn_diff;
1218		1327
1219	/* loop a few times, before making important decisions.	1328	/* loop a few times, before making important decisions.
1220	* on the choice of "4": one iteration isn't enough,	1329	* on the choice of "4": one iteration isn't enough,
1221	* in case we get preempted during the calls to	1330	* in case we get preempted during the calls to
1222	* ev_time and get_clock. a second call is almost guarenteed	1331	* ev_time and get_clock. a second call is almost guaranteed
1223	* to succeed in that case, though. and looping a few more times	1332	* to succeed in that case, though. and looping a few more times
1224	* doesn't hurt either as we only do this on time-jumps or	1333	* doesn't hurt either as we only do this on time-jumps or
1225	* in the unlikely event of getting preempted here.	1334	* in the unlikely event of having been preempted here.
1226	*/	1335	*/
1227	for (i = 4; --i; )	1336	for (i = 4; --i; )
1228	{	1337	{
1229	rtmn_diff = ev_rt_now - mn_now;	1338	rtmn_diff = ev_rt_now - mn_now;
1230		1339
…		…
1252	{	1361	{
1253	#if EV_PERIODIC_ENABLE	1362	#if EV_PERIODIC_ENABLE
1254	periodics_reschedule (EV_A);	1363	periodics_reschedule (EV_A);
1255	#endif	1364	#endif
1256		1365
1257	/* adjust timers. this is easy, as the offset is the same for all */	1366	/* adjust timers. this is easy, as the offset is the same for all of them */
1258	for (i = 0; i < timercnt; ++i)	1367	for (i = 0; i < timercnt; ++i)
1259	((WT)timers [i])->at += ev_rt_now - mn_now;	1368	((WT)timers [i])->at += ev_rt_now - mn_now;
1260	}	1369	}
1261		1370
1262	mn_now = ev_rt_now;	1371	mn_now = ev_rt_now;
…		…
1282	{	1391	{
1283	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK)	1392	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK)
1284	? EVUNLOOP_ONE	1393	? EVUNLOOP_ONE
1285	: EVUNLOOP_CANCEL;	1394	: EVUNLOOP_CANCEL;
1286		1395
1287	while (activecnt)	1396	call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */
		1397
		1398	do
1288	{	1399	{
1289	/* we might have forked, so reify kernel state if necessary */	1400	#ifndef _WIN32
		1401	if (expect_false (curpid)) /* penalise the forking check even more */
		1402	if (expect_false (getpid () != curpid))
		1403	{
		1404	curpid = getpid ();
		1405	postfork = 1;
		1406	}
		1407	#endif
		1408
1290	#if EV_FORK_ENABLE	1409	#if EV_FORK_ENABLE
		1410	/* we might have forked, so queue fork handlers */
1291	if (expect_false (postfork))	1411	if (expect_false (postfork))
1292	if (forkcnt)	1412	if (forkcnt)
1293	{	1413	{
1294	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);	1414	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
1295	call_pending (EV_A);	1415	call_pending (EV_A);
1296	}	1416	}
1297	#endif	1417	#endif
1298		1418
1299	/* queue check watchers (and execute them) */	1419	/* queue prepare watchers (and execute them) */
1300	if (expect_false (preparecnt))	1420	if (expect_false (preparecnt))
1301	{	1421	{
1302	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	1422	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
1303	call_pending (EV_A);	1423	call_pending (EV_A);
1304	}	1424	}
1305		1425
		1426	if (expect_false (!activecnt))
		1427	break;
		1428
1306	/* we might have forked, so reify kernel state if necessary */	1429	/* we might have forked, so reify kernel state if necessary */
1307	if (expect_false (postfork))	1430	if (expect_false (postfork))
1308	loop_fork (EV_A);	1431	loop_fork (EV_A);
1309		1432
1310	/* update fd-related kernel structures */	1433	/* update fd-related kernel structures */
1311	fd_reify (EV_A);	1434	fd_reify (EV_A);
1312		1435
1313	/* calculate blocking time */	1436	/* calculate blocking time */
1314	{	1437	{
1315	double block;	1438	ev_tstamp block;
1316		1439
1317	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)	1440	if (expect_false (flags & EVLOOP_NONBLOCK \|\| idleall \|\| !activecnt))
1318	block = 0.; /* do not block at all */	1441	block = 0.; /* do not block at all */
1319	else	1442	else
1320	{	1443	{
1321	/* update time to cancel out callback processing overhead */	1444	/* update time to cancel out callback processing overhead */
1322	#if EV_USE_MONOTONIC	1445	#if EV_USE_MONOTONIC
…		…
1346	#endif	1469	#endif
1347		1470
1348	if (expect_false (block < 0.)) block = 0.;	1471	if (expect_false (block < 0.)) block = 0.;
1349	}	1472	}
1350		1473
		1474	++loop_count;
1351	backend_poll (EV_A_ block);	1475	backend_poll (EV_A_ block);
1352	}	1476	}
1353		1477
1354	/* update ev_rt_now, do magic */	1478	/* update ev_rt_now, do magic */
1355	time_update (EV_A);	1479	time_update (EV_A);
…		…
1358	timers_reify (EV_A); /* relative timers called last */	1482	timers_reify (EV_A); /* relative timers called last */
1359	#if EV_PERIODIC_ENABLE	1483	#if EV_PERIODIC_ENABLE
1360	periodics_reify (EV_A); /* absolute timers called first */	1484	periodics_reify (EV_A); /* absolute timers called first */
1361	#endif	1485	#endif
1362		1486
		1487	#if EV_IDLE_ENABLE
1363	/* queue idle watchers unless other events are pending */	1488	/* queue idle watchers unless other events are pending */
1364	if (idlecnt && !any_pending (EV_A))	1489	idle_reify (EV_A);
1365	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);	1490	#endif
1366		1491
1367	/* queue check watchers, to be executed first */	1492	/* queue check watchers, to be executed first */
1368	if (expect_false (checkcnt))	1493	if (expect_false (checkcnt))
1369	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	1494	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
1370		1495
1371	call_pending (EV_A);	1496	call_pending (EV_A);
1372		1497
1373	if (expect_false (loop_done))
1374	break;
1375	}	1498	}
		1499	while (expect_true (activecnt && !loop_done));
1376		1500
1377	if (loop_done == EVUNLOOP_ONE)	1501	if (loop_done == EVUNLOOP_ONE)
1378	loop_done = EVUNLOOP_CANCEL;	1502	loop_done = EVUNLOOP_CANCEL;
1379	}	1503	}
1380		1504
…		…
1407	head = &(*head)->next;	1531	head = &(*head)->next;
1408	}	1532	}
1409	}	1533	}
1410		1534
1411	void inline_speed	1535	void inline_speed
1412	ev_clear_pending (EV_P_ W w)	1536	clear_pending (EV_P_ W w)
1413	{	1537	{
1414	if (w->pending)	1538	if (w->pending)
1415	{	1539	{
1416	pendings [ABSPRI (w)][w->pending - 1].w = 0;	1540	pendings [ABSPRI (w)][w->pending - 1].w = 0;
1417	w->pending = 0;	1541	w->pending = 0;
1418	}	1542	}
1419	}	1543	}
1420		1544
		1545	int
		1546	ev_clear_pending (EV_P_ void *w)
		1547	{
		1548	W w_ = (W)w;
		1549	int pending = w_->pending;
		1550
		1551	if (expect_true (pending))
		1552	{
		1553	ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;
		1554	w_->pending = 0;
		1555	p->w = 0;
		1556	return p->events;
		1557	}
		1558	else
		1559	return 0;
		1560	}
		1561
		1562	void inline_size
		1563	pri_adjust (EV_P_ W w)
		1564	{
		1565	int pri = w->priority;
		1566	pri = pri < EV_MINPRI ? EV_MINPRI : pri;
		1567	pri = pri > EV_MAXPRI ? EV_MAXPRI : pri;
		1568	w->priority = pri;
		1569	}
		1570
1421	void inline_speed	1571	void inline_speed
1422	ev_start (EV_P_ W w, int active)	1572	ev_start (EV_P_ W w, int active)
1423	{	1573	{
1424	if (w->priority < EV_MINPRI) w->priority = EV_MINPRI;	1574	pri_adjust (EV_A_ w);
1425	if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI;
1426
1427	w->active = active;	1575	w->active = active;
1428	ev_ref (EV_A);	1576	ev_ref (EV_A);
1429	}	1577	}
1430		1578
1431	void inline_size	1579	void inline_size
…		…
1435	w->active = 0;	1583	w->active = 0;
1436	}	1584	}
1437		1585
1438	/*****************************************************************************/	1586	/*****************************************************************************/
1439		1587
1440	void	1588	void noinline
1441	ev_io_start (EV_P_ ev_io *w)	1589	ev_io_start (EV_P_ ev_io *w)
1442	{	1590	{
1443	int fd = w->fd;	1591	int fd = w->fd;
1444		1592
1445	if (expect_false (ev_is_active (w)))	1593	if (expect_false (ev_is_active (w)))
…		…
1452	wlist_add ((WL *)&anfds[fd].head, (WL)w);	1600	wlist_add ((WL *)&anfds[fd].head, (WL)w);
1453		1601
1454	fd_change (EV_A_ fd);	1602	fd_change (EV_A_ fd);
1455	}	1603	}
1456		1604
1457	void	1605	void noinline
1458	ev_io_stop (EV_P_ ev_io *w)	1606	ev_io_stop (EV_P_ ev_io *w)
1459	{	1607	{
1460	ev_clear_pending (EV_A_ (W)w);	1608	clear_pending (EV_A_ (W)w);
1461	if (expect_false (!ev_is_active (w)))	1609	if (expect_false (!ev_is_active (w)))
1462	return;	1610	return;
1463		1611
1464	assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));	1612	assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
1465		1613
…		…
1467	ev_stop (EV_A_ (W)w);	1615	ev_stop (EV_A_ (W)w);
1468		1616
1469	fd_change (EV_A_ w->fd);	1617	fd_change (EV_A_ w->fd);
1470	}	1618	}
1471		1619
1472	void	1620	void noinline
1473	ev_timer_start (EV_P_ ev_timer *w)	1621	ev_timer_start (EV_P_ ev_timer *w)
1474	{	1622	{
1475	if (expect_false (ev_is_active (w)))	1623	if (expect_false (ev_is_active (w)))
1476	return;	1624	return;
1477		1625
…		…
1485	upheap ((WT *)timers, timercnt - 1);	1633	upheap ((WT *)timers, timercnt - 1);
1486		1634
1487	/assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));/	1635	/assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));/
1488	}	1636	}
1489		1637
1490	void	1638	void noinline
1491	ev_timer_stop (EV_P_ ev_timer *w)	1639	ev_timer_stop (EV_P_ ev_timer *w)
1492	{	1640	{
1493	ev_clear_pending (EV_A_ (W)w);	1641	clear_pending (EV_A_ (W)w);
1494	if (expect_false (!ev_is_active (w)))	1642	if (expect_false (!ev_is_active (w)))
1495	return;	1643	return;
1496		1644
1497	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));	1645	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1498		1646
…		…
1509	((WT)w)->at -= mn_now;	1657	((WT)w)->at -= mn_now;
1510		1658
1511	ev_stop (EV_A_ (W)w);	1659	ev_stop (EV_A_ (W)w);
1512	}	1660	}
1513		1661
1514	void	1662	void noinline
1515	ev_timer_again (EV_P_ ev_timer *w)	1663	ev_timer_again (EV_P_ ev_timer *w)
1516	{	1664	{
1517	if (ev_is_active (w))	1665	if (ev_is_active (w))
1518	{	1666	{
1519	if (w->repeat)	1667	if (w->repeat)
…		…
1530	ev_timer_start (EV_A_ w);	1678	ev_timer_start (EV_A_ w);
1531	}	1679	}
1532	}	1680	}
1533		1681
1534	#if EV_PERIODIC_ENABLE	1682	#if EV_PERIODIC_ENABLE
1535	void	1683	void noinline
1536	ev_periodic_start (EV_P_ ev_periodic *w)	1684	ev_periodic_start (EV_P_ ev_periodic *w)
1537	{	1685	{
1538	if (expect_false (ev_is_active (w)))	1686	if (expect_false (ev_is_active (w)))
1539	return;	1687	return;
1540		1688
…		…
1553	upheap ((WT *)periodics, periodiccnt - 1);	1701	upheap ((WT *)periodics, periodiccnt - 1);
1554		1702
1555	/assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));/	1703	/assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));/
1556	}	1704	}
1557		1705
1558	void	1706	void noinline
1559	ev_periodic_stop (EV_P_ ev_periodic *w)	1707	ev_periodic_stop (EV_P_ ev_periodic *w)
1560	{	1708	{
1561	ev_clear_pending (EV_A_ (W)w);	1709	clear_pending (EV_A_ (W)w);
1562	if (expect_false (!ev_is_active (w)))	1710	if (expect_false (!ev_is_active (w)))
1563	return;	1711	return;
1564		1712
1565	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));	1713	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1566		1714
…		…
1575	}	1723	}
1576		1724
1577	ev_stop (EV_A_ (W)w);	1725	ev_stop (EV_A_ (W)w);
1578	}	1726	}
1579		1727
1580	void	1728	void noinline
1581	ev_periodic_again (EV_P_ ev_periodic *w)	1729	ev_periodic_again (EV_P_ ev_periodic *w)
1582	{	1730	{
1583	/* TODO: use adjustheap and recalculation */	1731	/* TODO: use adjustheap and recalculation */
1584	ev_periodic_stop (EV_A_ w);	1732	ev_periodic_stop (EV_A_ w);
1585	ev_periodic_start (EV_A_ w);	1733	ev_periodic_start (EV_A_ w);
…		…
1588		1736
1589	#ifndef SA_RESTART	1737	#ifndef SA_RESTART
1590	# define SA_RESTART 0	1738	# define SA_RESTART 0
1591	#endif	1739	#endif
1592		1740
1593	void	1741	void noinline
1594	ev_signal_start (EV_P_ ev_signal *w)	1742	ev_signal_start (EV_P_ ev_signal *w)
1595	{	1743	{
1596	#if EV_MULTIPLICITY	1744	#if EV_MULTIPLICITY
1597	assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));	1745	assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1598	#endif	1746	#endif
…		…
1617	sigaction (w->signum, &sa, 0);	1765	sigaction (w->signum, &sa, 0);
1618	#endif	1766	#endif
1619	}	1767	}
1620	}	1768	}
1621		1769
1622	void	1770	void noinline
1623	ev_signal_stop (EV_P_ ev_signal *w)	1771	ev_signal_stop (EV_P_ ev_signal *w)
1624	{	1772	{
1625	ev_clear_pending (EV_A_ (W)w);	1773	clear_pending (EV_A_ (W)w);
1626	if (expect_false (!ev_is_active (w)))	1774	if (expect_false (!ev_is_active (w)))
1627	return;	1775	return;
1628		1776
1629	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);	1777	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);
1630	ev_stop (EV_A_ (W)w);	1778	ev_stop (EV_A_ (W)w);
…		…
1647	}	1795	}
1648		1796
1649	void	1797	void
1650	ev_child_stop (EV_P_ ev_child *w)	1798	ev_child_stop (EV_P_ ev_child *w)
1651	{	1799	{
1652	ev_clear_pending (EV_A_ (W)w);	1800	clear_pending (EV_A_ (W)w);
1653	if (expect_false (!ev_is_active (w)))	1801	if (expect_false (!ev_is_active (w)))
1654	return;	1802	return;
1655		1803
1656	wlist_del ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	1804	wlist_del ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
1657	ev_stop (EV_A_ (W)w);	1805	ev_stop (EV_A_ (W)w);
…		…
1665	# endif	1813	# endif
1666		1814
1667	#define DEF_STAT_INTERVAL 5.0074891	1815	#define DEF_STAT_INTERVAL 5.0074891
1668	#define MIN_STAT_INTERVAL 0.1074891	1816	#define MIN_STAT_INTERVAL 0.1074891
1669		1817
		1818	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);
		1819
		1820	#if EV_USE_INOTIFY
		1821	# define EV_INOTIFY_BUFSIZE 8192
		1822
		1823	static void noinline
		1824	infy_add (EV_P_ ev_stat *w)
		1825	{
		1826	w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB \| IN_DELETE_SELF \| IN_MOVE_SELF \| IN_MODIFY \| IN_DONT_FOLLOW \| IN_MASK_ADD);
		1827
		1828	if (w->wd < 0)
		1829	{
		1830	ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */
		1831
		1832	/* monitor some parent directory for speedup hints */
		1833	if ((errno == ENOENT \|\| errno == EACCES) && strlen (w->path) < 4096)
		1834	{
		1835	char path [4096];
		1836	strcpy (path, w->path);
		1837
		1838	do
		1839	{
		1840	int mask = IN_MASK_ADD \| IN_DELETE_SELF \| IN_MOVE_SELF
		1841	\| (errno == EACCES ? IN_ATTRIB : IN_CREATE \| IN_MOVED_TO);
		1842
		1843	char *pend = strrchr (path, '/');
		1844
		1845	if (!pend)
		1846	break; /* whoops, no '/', complain to your admin */
		1847
		1848	*pend = 0;
		1849	w->wd = inotify_add_watch (fs_fd, path, mask);
		1850	}
		1851	while (w->wd < 0 && (errno == ENOENT \|\| errno == EACCES));
		1852	}
		1853	}
		1854	else
		1855	ev_timer_stop (EV_A_ &w->timer); /* we can watch this in a race-free way */
		1856
		1857	if (w->wd >= 0)
		1858	wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);
		1859	}
		1860
		1861	static void noinline
		1862	infy_del (EV_P_ ev_stat *w)
		1863	{
		1864	int slot;
		1865	int wd = w->wd;
		1866
		1867	if (wd < 0)
		1868	return;
		1869
		1870	w->wd = -2;
		1871	slot = wd & (EV_INOTIFY_HASHSIZE - 1);
		1872	wlist_del (&fs_hash [slot].head, (WL)w);
		1873
		1874	/* remove this watcher, if others are watching it, they will rearm */
		1875	inotify_rm_watch (fs_fd, wd);
		1876	}
		1877
		1878	static void noinline
		1879	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
		1880	{
		1881	if (slot < 0)
		1882	/* overflow, need to check for all hahs slots */
		1883	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)
		1884	infy_wd (EV_A_ slot, wd, ev);
		1885	else
		1886	{
		1887	WL w_;
		1888
		1889	for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; )
		1890	{
		1891	ev_stat w = (ev_stat )w_;
		1892	w_ = w_->next; /* lets us remove this watcher and all before it */
		1893
		1894	if (w->wd == wd \|\| wd == -1)
		1895	{
		1896	if (ev->mask & (IN_IGNORED \| IN_UNMOUNT \| IN_DELETE_SELF))
		1897	{
		1898	w->wd = -1;
		1899	infy_add (EV_A_ w); /* re-add, no matter what */
		1900	}
		1901
		1902	stat_timer_cb (EV_A_ &w->timer, 0);
		1903	}
		1904	}
		1905	}
		1906	}
		1907
		1908	static void
		1909	infy_cb (EV_P_ ev_io *w, int revents)
		1910	{
		1911	char buf [EV_INOTIFY_BUFSIZE];
		1912	struct inotify_event ev = (struct inotify_event )buf;
		1913	int ofs;
		1914	int len = read (fs_fd, buf, sizeof (buf));
		1915
		1916	for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len)
		1917	infy_wd (EV_A_ ev->wd, ev->wd, ev);
		1918	}
		1919
		1920	void inline_size
		1921	infy_init (EV_P)
		1922	{
		1923	if (fs_fd != -2)
		1924	return;
		1925
		1926	fs_fd = inotify_init ();
		1927
		1928	if (fs_fd >= 0)
		1929	{
		1930	ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ);
		1931	ev_set_priority (&fs_w, EV_MAXPRI);
		1932	ev_io_start (EV_A_ &fs_w);
		1933	}
		1934	}
		1935
		1936	void inline_size
		1937	infy_fork (EV_P)
		1938	{
		1939	int slot;
		1940
		1941	if (fs_fd < 0)
		1942	return;
		1943
		1944	close (fs_fd);
		1945	fs_fd = inotify_init ();
		1946
		1947	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)
		1948	{
		1949	WL w_ = fs_hash [slot].head;
		1950	fs_hash [slot].head = 0;
		1951
		1952	while (w_)
		1953	{
		1954	ev_stat w = (ev_stat )w_;
		1955	w_ = w_->next; /* lets us add this watcher */
		1956
		1957	w->wd = -1;
		1958
		1959	if (fs_fd >= 0)
		1960	infy_add (EV_A_ w); /* re-add, no matter what */
		1961	else
		1962	ev_timer_start (EV_A_ &w->timer);
		1963	}
		1964
		1965	}
		1966	}
		1967
		1968	#endif
		1969
1670	void	1970	void
1671	ev_stat_stat (EV_P_ ev_stat *w)	1971	ev_stat_stat (EV_P_ ev_stat *w)
1672	{	1972	{
1673	if (lstat (w->path, &w->attr) < 0)	1973	if (lstat (w->path, &w->attr) < 0)
1674	w->attr.st_nlink = 0;	1974	w->attr.st_nlink = 0;
1675	else if (!w->attr.st_nlink)	1975	else if (!w->attr.st_nlink)
1676	w->attr.st_nlink = 1;	1976	w->attr.st_nlink = 1;
1677	}	1977	}
1678		1978
1679	static void	1979	static void noinline
1680	stat_timer_cb (EV_P_ ev_timer *w_, int revents)	1980	stat_timer_cb (EV_P_ ev_timer *w_, int revents)
1681	{	1981	{
1682	ev_stat w = (ev_stat )(((char *)w_) - offsetof (ev_stat, timer));	1982	ev_stat w = (ev_stat )(((char *)w_) - offsetof (ev_stat, timer));
1683		1983
1684	/* we copy this here each the time so that */	1984	/* we copy this here each the time so that */
1685	/* prev has the old value when the callback gets invoked */	1985	/* prev has the old value when the callback gets invoked */
1686	w->prev = w->attr;	1986	w->prev = w->attr;
1687	ev_stat_stat (EV_A_ w);	1987	ev_stat_stat (EV_A_ w);
1688		1988
1689	if (memcmp (&w->prev, &w->attr, sizeof (ev_statdata)))	1989	/* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */
		1990	if (
		1991	w->prev.st_dev != w->attr.st_dev
		1992	\|\| w->prev.st_ino != w->attr.st_ino
		1993	\|\| w->prev.st_mode != w->attr.st_mode
		1994	\|\| w->prev.st_nlink != w->attr.st_nlink
		1995	\|\| w->prev.st_uid != w->attr.st_uid
		1996	\|\| w->prev.st_gid != w->attr.st_gid
		1997	\|\| w->prev.st_rdev != w->attr.st_rdev
		1998	\|\| w->prev.st_size != w->attr.st_size
		1999	\|\| w->prev.st_atime != w->attr.st_atime
		2000	\|\| w->prev.st_mtime != w->attr.st_mtime
		2001	\|\| w->prev.st_ctime != w->attr.st_ctime
		2002	) {
		2003	#if EV_USE_INOTIFY
		2004	infy_del (EV_A_ w);
		2005	infy_add (EV_A_ w);
		2006	ev_stat_stat (EV_A_ w); /* avoid race... */
		2007	#endif
		2008
1690	ev_feed_event (EV_A_ w, EV_STAT);	2009	ev_feed_event (EV_A_ w, EV_STAT);
		2010	}
1691	}	2011	}
1692		2012
1693	void	2013	void
1694	ev_stat_start (EV_P_ ev_stat *w)	2014	ev_stat_start (EV_P_ ev_stat *w)
1695	{	2015	{
…		…
1705	if (w->interval < MIN_STAT_INTERVAL)	2025	if (w->interval < MIN_STAT_INTERVAL)
1706	w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL;	2026	w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL;
1707		2027
1708	ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval);	2028	ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval);
1709	ev_set_priority (&w->timer, ev_priority (w));	2029	ev_set_priority (&w->timer, ev_priority (w));
		2030
		2031	#if EV_USE_INOTIFY
		2032	infy_init (EV_A);
		2033
		2034	if (fs_fd >= 0)
		2035	infy_add (EV_A_ w);
		2036	else
		2037	#endif
1710	ev_timer_start (EV_A_ &w->timer);	2038	ev_timer_start (EV_A_ &w->timer);
1711		2039
1712	ev_start (EV_A_ (W)w, 1);	2040	ev_start (EV_A_ (W)w, 1);
1713	}	2041	}
1714		2042
1715	void	2043	void
1716	ev_stat_stop (EV_P_ ev_stat *w)	2044	ev_stat_stop (EV_P_ ev_stat *w)
1717	{	2045	{
1718	ev_clear_pending (EV_A_ (W)w);	2046	clear_pending (EV_A_ (W)w);
1719	if (expect_false (!ev_is_active (w)))	2047	if (expect_false (!ev_is_active (w)))
1720	return;	2048	return;
1721		2049
		2050	#if EV_USE_INOTIFY
		2051	infy_del (EV_A_ w);
		2052	#endif
1722	ev_timer_stop (EV_A_ &w->timer);	2053	ev_timer_stop (EV_A_ &w->timer);
1723		2054
1724	ev_stop (EV_A_ (W)w);	2055	ev_stop (EV_A_ (W)w);
1725	}	2056	}
1726	#endif	2057	#endif
1727		2058
		2059	#if EV_IDLE_ENABLE
1728	void	2060	void
1729	ev_idle_start (EV_P_ ev_idle *w)	2061	ev_idle_start (EV_P_ ev_idle *w)
1730	{	2062	{
1731	if (expect_false (ev_is_active (w)))	2063	if (expect_false (ev_is_active (w)))
1732	return;	2064	return;
1733		2065
		2066	pri_adjust (EV_A_ (W)w);
		2067
		2068	{
		2069	int active = ++idlecnt [ABSPRI (w)];
		2070
		2071	++idleall;
1734	ev_start (EV_A_ (W)w, ++idlecnt);	2072	ev_start (EV_A_ (W)w, active);
		2073
1735	array_needsize (ev_idle *, idles, idlemax, idlecnt, EMPTY2);	2074	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2);
1736	idles [idlecnt - 1] = w;	2075	idles [ABSPRI (w)][active - 1] = w;
		2076	}
1737	}	2077	}
1738		2078
1739	void	2079	void
1740	ev_idle_stop (EV_P_ ev_idle *w)	2080	ev_idle_stop (EV_P_ ev_idle *w)
1741	{	2081	{
1742	ev_clear_pending (EV_A_ (W)w);	2082	clear_pending (EV_A_ (W)w);
1743	if (expect_false (!ev_is_active (w)))	2083	if (expect_false (!ev_is_active (w)))
1744	return;	2084	return;
1745		2085
1746	{	2086	{
1747	int active = ((W)w)->active;	2087	int active = ((W)w)->active;
1748	idles [active - 1] = idles [--idlecnt];	2088
		2089	idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]];
1749	((W)idles [active - 1])->active = active;	2090	((W)idles [ABSPRI (w)][active - 1])->active = active;
		2091
		2092	ev_stop (EV_A_ (W)w);
		2093	--idleall;
1750	}	2094	}
1751
1752	ev_stop (EV_A_ (W)w);
1753	}	2095	}
		2096	#endif
1754		2097
1755	void	2098	void
1756	ev_prepare_start (EV_P_ ev_prepare *w)	2099	ev_prepare_start (EV_P_ ev_prepare *w)
1757	{	2100	{
1758	if (expect_false (ev_is_active (w)))	2101	if (expect_false (ev_is_active (w)))
…		…
1764	}	2107	}
1765		2108
1766	void	2109	void
1767	ev_prepare_stop (EV_P_ ev_prepare *w)	2110	ev_prepare_stop (EV_P_ ev_prepare *w)
1768	{	2111	{
1769	ev_clear_pending (EV_A_ (W)w);	2112	clear_pending (EV_A_ (W)w);
1770	if (expect_false (!ev_is_active (w)))	2113	if (expect_false (!ev_is_active (w)))
1771	return;	2114	return;
1772		2115
1773	{	2116	{
1774	int active = ((W)w)->active;	2117	int active = ((W)w)->active;
…		…
1791	}	2134	}
1792		2135
1793	void	2136	void
1794	ev_check_stop (EV_P_ ev_check *w)	2137	ev_check_stop (EV_P_ ev_check *w)
1795	{	2138	{
1796	ev_clear_pending (EV_A_ (W)w);	2139	clear_pending (EV_A_ (W)w);
1797	if (expect_false (!ev_is_active (w)))	2140	if (expect_false (!ev_is_active (w)))
1798	return;	2141	return;
1799		2142
1800	{	2143	{
1801	int active = ((W)w)->active;	2144	int active = ((W)w)->active;
…		…
1843	}	2186	}
1844		2187
1845	void	2188	void
1846	ev_embed_stop (EV_P_ ev_embed *w)	2189	ev_embed_stop (EV_P_ ev_embed *w)
1847	{	2190	{
1848	ev_clear_pending (EV_A_ (W)w);	2191	clear_pending (EV_A_ (W)w);
1849	if (expect_false (!ev_is_active (w)))	2192	if (expect_false (!ev_is_active (w)))
1850	return;	2193	return;
1851		2194
1852	ev_io_stop (EV_A_ &w->io);	2195	ev_io_stop (EV_A_ &w->io);
1853		2196
…		…
1868	}	2211	}
1869		2212
1870	void	2213	void
1871	ev_fork_stop (EV_P_ ev_fork *w)	2214	ev_fork_stop (EV_P_ ev_fork *w)
1872	{	2215	{
1873	ev_clear_pending (EV_A_ (W)w);	2216	clear_pending (EV_A_ (W)w);
1874	if (expect_false (!ev_is_active (w)))	2217	if (expect_false (!ev_is_active (w)))
1875	return;	2218	return;
1876		2219
1877	{	2220	{
1878	int active = ((W)w)->active;	2221	int active = ((W)w)->active;

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Comparing libev/ev.c (file contents): Revision 1.151 by root, Tue Nov 27 19:59:08 2007 UTC vs. Revision 1.172 by root, Sun Dec 9 02:27:44 2007 UTC

Diff Legend

Comparing libev/ev.c (file contents):
Revision 1.151 by root, Tue Nov 27 19:59:08 2007 UTC vs.
Revision 1.172 by root, Sun Dec 9 02:27:44 2007 UTC