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

Comparing libev/ev.c (file contents):
Revision 1.148 by root, Tue Nov 27 11:11:13 2007 UTC vs.
Revision 1.167 by root, Sat Dec 8 04:02:31 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
		179	#ifndef EV_PID_HASHSIZE
		180	# if EV_MINIMAL
		181	# define EV_PID_HASHSIZE 1
		182	# else
		183	# define EV_PID_HASHSIZE 16
		184	# endif
		185	#endif
		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
161	/**/	195	/**/
162		196
163	#ifndef CLOCK_MONOTONIC	197	#ifndef CLOCK_MONOTONIC
164	# undef EV_USE_MONOTONIC	198	# undef EV_USE_MONOTONIC
165	# define EV_USE_MONOTONIC 0	199	# define EV_USE_MONOTONIC 0
…		…
172		206
173	#if EV_SELECT_IS_WINSOCKET	207	#if EV_SELECT_IS_WINSOCKET
174	# include <winsock.h>	208	# include <winsock.h>
175	#endif	209	#endif
176		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
177	/**/	219	/**/
178		220
179	#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) */
180	#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) */
181	#define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */
182	/#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 */
183
184	#ifdef EV_H
185	# include EV_H
186	#else
187	# include "ev.h"
188	#endif
189		224
190	#if __GNUC__ >= 3	225	#if __GNUC__ >= 3
191	# define expect(expr,value) __builtin_expect ((expr),(value))	226	# define expect(expr,value) __builtin_expect ((expr),(value))
192	# define inline_size static inline /* inline for codesize */	227	# define inline_size static inline /* inline for codesize */
193	# if EV_MINIMAL	228	# if EV_MINIMAL
…		…
206		241
207	#define expect_false(expr) expect ((expr) != 0, 0)	242	#define expect_false(expr) expect ((expr) != 0, 0)
208	#define expect_true(expr) expect ((expr) != 0, 1)	243	#define expect_true(expr) expect ((expr) != 0, 1)
209		244
210	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	245	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
211	#define ABSPRI(w) ((w)->priority - EV_MINPRI)	246	#define ABSPRI(w) (((W)w)->priority - EV_MINPRI)
212		247
213	#define EMPTY0 /* required for microsofts broken pseudo-c compiler */	248	#define EMPTY /* required for microsofts broken pseudo-c compiler */
214	#define EMPTY2(a,b) /* used to suppress some warnings */	249	#define EMPTY2(a,b) /* used to suppress some warnings */
215		250
216	typedef ev_watcher *W;	251	typedef ev_watcher *W;
217	typedef ev_watcher_list *WL;	252	typedef ev_watcher_list *WL;
218	typedef ev_watcher_time *WT;	253	typedef ev_watcher_time *WT;
…		…
254	ev_set_allocator (void (cb)(void *ptr, long size))	289	ev_set_allocator (void (cb)(void *ptr, long size))
255	{	290	{
256	alloc = cb;	291	alloc = cb;
257	}	292	}
258		293
259	static void *	294	inline_speed void *
260	ev_realloc (void *ptr, long size)	295	ev_realloc (void *ptr, long size)
261	{	296	{
262	ptr = alloc ? alloc (ptr, size) : realloc (ptr, size);	297	ptr = alloc ? alloc (ptr, size) : realloc (ptr, size);
263		298
264	if (!ptr && size)	299	if (!ptr && size)
…		…
288	typedef struct	323	typedef struct
289	{	324	{
290	W w;	325	W w;
291	int events;	326	int events;
292	} ANPENDING;	327	} ANPENDING;
		328
		329	#if EV_USE_INOTIFY
		330	typedef struct
		331	{
		332	WL head;
		333	} ANFS;
		334	#endif
293		335
294	#if EV_MULTIPLICITY	336	#if EV_MULTIPLICITY
295		337
296	struct ev_loop	338	struct ev_loop
297	{	339	{
…		…
354	{	396	{
355	return ev_rt_now;	397	return ev_rt_now;
356	}	398	}
357	#endif	399	#endif
358		400
359	#define array_roundsize(type,n) (((n) \| 4) & ~3)	401	int inline_size
		402	array_nextsize (int elem, int cur, int cnt)
		403	{
		404	int ncur = cur + 1;
		405
		406	do
		407	ncur <<= 1;
		408	while (cnt > ncur);
		409
		410	/* if size > 4096, round to 4096 - 4 * longs to accomodate malloc overhead */
		411	if (elem * ncur > 4096)
		412	{
		413	ncur *= elem;
		414	ncur = (ncur + elem + 4095 + sizeof (void ) 4) & ~4095;
		415	ncur = ncur - sizeof (void ) 4;
		416	ncur /= elem;
		417	}
		418
		419	return ncur;
		420	}
		421
		422	inline_speed void *
		423	array_realloc (int elem, void base, int cur, int cnt)
		424	{
		425	cur = array_nextsize (elem, cur, cnt);
		426	return ev_realloc (base, elem * *cur);
		427	}
360		428
361	#define array_needsize(type,base,cur,cnt,init) \	429	#define array_needsize(type,base,cur,cnt,init) \
362	if (expect_false ((cnt) > cur)) \	430	if (expect_false ((cnt) > (cur))) \
363	{ \	431	{ \
364	int newcnt = cur; \	432	int ocur_ = (cur); \
365	do \	433	(base) = (type *)array_realloc \
366	{ \	434	(sizeof (type), (base), &(cur), (cnt)); \
367	newcnt = array_roundsize (type, newcnt << 1); \	435	init ((base) + (ocur_), (cur) - ocur_); \
368	} \
369	while ((cnt) > newcnt); \
370	\
371	base = (type )ev_realloc (base, sizeof (type) (newcnt));\
372	init (base + cur, newcnt - cur); \
373	cur = newcnt; \
374	}	436	}
375		437
		438	#if 0
376	#define array_slim(type,stem) \	439	#define array_slim(type,stem) \
377	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \	440	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \
378	{ \	441	{ \
379	stem ## max = array_roundsize (stem ## cnt >> 1); \	442	stem ## max = array_roundsize (stem ## cnt >> 1); \
380	base = (type )ev_realloc (base, sizeof (type) (stem ## max));\	443	base = (type )ev_realloc (base, sizeof (type) (stem ## max));\
381	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/D/\	444	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/D/\
382	}	445	}
		446	#endif
383		447
384	#define array_free(stem, idx) \	448	#define array_free(stem, idx) \
385	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;	449	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;
386		450
387	/*****************************************************************************/	451	/*****************************************************************************/
…		…
547	static void noinline	611	static void noinline
548	fd_rearm_all (EV_P)	612	fd_rearm_all (EV_P)
549	{	613	{
550	int fd;	614	int fd;
551		615
552	/* this should be highly optimised to not do anything but set a flag */
553	for (fd = 0; fd < anfdmax; ++fd)	616	for (fd = 0; fd < anfdmax; ++fd)
554	if (anfds [fd].events)	617	if (anfds [fd].events)
555	{	618	{
556	anfds [fd].events = 0;	619	anfds [fd].events = 0;
557	fd_change (EV_A_ fd);	620	fd_change (EV_A_ fd);
…		…
709	ev_unref (EV_A); /* child watcher should not keep loop alive */	772	ev_unref (EV_A); /* child watcher should not keep loop alive */
710	}	773	}
711		774
712	/*****************************************************************************/	775	/*****************************************************************************/
713		776
714	static ev_child *childs [PID_HASHSIZE];	777	static ev_child *childs [EV_PID_HASHSIZE];
715		778
716	#ifndef _WIN32	779	#ifndef _WIN32
717		780
718	static ev_signal childev;	781	static ev_signal childev;
719		782
720	void inline_speed	783	void inline_speed
721	child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status)	784	child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status)
722	{	785	{
723	ev_child *w;	786	ev_child *w;
724		787
725	for (w = (ev_child )childs [chain & (PID_HASHSIZE - 1)]; w; w = (ev_child )((WL)w)->next)	788	for (w = (ev_child )childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child )((WL)w)->next)
726	if (w->pid == pid \|\| !w->pid)	789	if (w->pid == pid \|\| !w->pid)
727	{	790	{
728	ev_priority (w) = ev_priority (sw); /* need to do it now */	791	ev_set_priority (w, ev_priority (sw)); /* need to do it now */
729	w->rpid = pid;	792	w->rpid = pid;
730	w->rstatus = status;	793	w->rstatus = status;
731	ev_feed_event (EV_A_ (W)w, EV_CHILD);	794	ev_feed_event (EV_A_ (W)w, EV_CHILD);
732	}	795	}
733	}	796	}
734		797
735	#ifndef WCONTINUED	798	#ifndef WCONTINUED
…		…
751	/* make sure we are called again until all childs have been reaped */	814	/* make sure we are called again until all childs have been reaped */
752	/* we need to do it this way so that the callback gets called before we continue */	815	/* we need to do it this way so that the callback gets called before we continue */
753	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);	816	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
754		817
755	child_reap (EV_A_ sw, pid, pid, status);	818	child_reap (EV_A_ sw, pid, pid, status);
		819	if (EV_PID_HASHSIZE > 1)
756	child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */	820	child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */
757	}	821	}
758		822
759	#endif	823	#endif
760		824
761	/*****************************************************************************/	825	/*****************************************************************************/
…		…
844	ev_backend (EV_P)	908	ev_backend (EV_P)
845	{	909	{
846	return backend;	910	return backend;
847	}	911	}
848		912
849	static void	913	unsigned int
		914	ev_loop_count (EV_P)
		915	{
		916	return loop_count;
		917	}
		918
		919	static void noinline
850	loop_init (EV_P_ unsigned int flags)	920	loop_init (EV_P_ unsigned int flags)
851	{	921	{
852	if (!backend)	922	if (!backend)
853	{	923	{
854	#if EV_USE_MONOTONIC	924	#if EV_USE_MONOTONIC
…		…
862	ev_rt_now = ev_time ();	932	ev_rt_now = ev_time ();
863	mn_now = get_clock ();	933	mn_now = get_clock ();
864	now_floor = mn_now;	934	now_floor = mn_now;
865	rtmn_diff = ev_rt_now - mn_now;	935	rtmn_diff = ev_rt_now - mn_now;
866		936
		937	/* pid check not overridable via env */
		938	#ifndef _WIN32
		939	if (flags & EVFLAG_FORKCHECK)
		940	curpid = getpid ();
		941	#endif
		942
867	if (!(flags & EVFLAG_NOENV)	943	if (!(flags & EVFLAG_NOENV)
868	&& !enable_secure ()	944	&& !enable_secure ()
869	&& getenv ("LIBEV_FLAGS"))	945	&& getenv ("LIBEV_FLAGS"))
870	flags = atoi (getenv ("LIBEV_FLAGS"));	946	flags = atoi (getenv ("LIBEV_FLAGS"));
871		947
872	if (!(flags & 0x0000ffffUL))	948	if (!(flags & 0x0000ffffUL))
873	flags \|= ev_recommended_backends ();	949	flags \|= ev_recommended_backends ();
874		950
875	backend = 0;	951	backend = 0;
		952	backend_fd = -1;
		953	#if EV_USE_INOTIFY
		954	fs_fd = -2;
		955	#endif
		956
876	#if EV_USE_PORT	957	#if EV_USE_PORT
877	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);	958	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
878	#endif	959	#endif
879	#if EV_USE_KQUEUE	960	#if EV_USE_KQUEUE
880	if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);	961	if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);
…		…
892	ev_init (&sigev, sigcb);	973	ev_init (&sigev, sigcb);
893	ev_set_priority (&sigev, EV_MAXPRI);	974	ev_set_priority (&sigev, EV_MAXPRI);
894	}	975	}
895	}	976	}
896		977
897	static void	978	static void noinline
898	loop_destroy (EV_P)	979	loop_destroy (EV_P)
899	{	980	{
900	int i;	981	int i;
		982
		983	#if EV_USE_INOTIFY
		984	if (fs_fd >= 0)
		985	close (fs_fd);
		986	#endif
		987
		988	if (backend_fd >= 0)
		989	close (backend_fd);
901		990
902	#if EV_USE_PORT	991	#if EV_USE_PORT
903	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);	992	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
904	#endif	993	#endif
905	#if EV_USE_KQUEUE	994	#if EV_USE_KQUEUE
…		…
914	#if EV_USE_SELECT	1003	#if EV_USE_SELECT
915	if (backend == EVBACKEND_SELECT) select_destroy (EV_A);	1004	if (backend == EVBACKEND_SELECT) select_destroy (EV_A);
916	#endif	1005	#endif
917		1006
918	for (i = NUMPRI; i--; )	1007	for (i = NUMPRI; i--; )
		1008	{
919	array_free (pending, [i]);	1009	array_free (pending, [i]);
		1010	#if EV_IDLE_ENABLE
		1011	array_free (idle, [i]);
		1012	#endif
		1013	}
920		1014
921	/* have to use the microsoft-never-gets-it-right macro */	1015	/* have to use the microsoft-never-gets-it-right macro */
922	array_free (fdchange, EMPTY0);	1016	array_free (fdchange, EMPTY);
923	array_free (timer, EMPTY0);	1017	array_free (timer, EMPTY);
924	#if EV_PERIODIC_ENABLE	1018	#if EV_PERIODIC_ENABLE
925	array_free (periodic, EMPTY0);	1019	array_free (periodic, EMPTY);
926	#endif	1020	#endif
927	array_free (idle, EMPTY0);
928	array_free (prepare, EMPTY0);	1021	array_free (prepare, EMPTY);
929	array_free (check, EMPTY0);	1022	array_free (check, EMPTY);
930		1023
931	backend = 0;	1024	backend = 0;
932	}	1025	}
933		1026
934	static void	1027	void inline_size infy_fork (EV_P);
		1028
		1029	void inline_size
935	loop_fork (EV_P)	1030	loop_fork (EV_P)
936	{	1031	{
937	#if EV_USE_PORT	1032	#if EV_USE_PORT
938	if (backend == EVBACKEND_PORT ) port_fork (EV_A);	1033	if (backend == EVBACKEND_PORT ) port_fork (EV_A);
939	#endif	1034	#endif
940	#if EV_USE_KQUEUE	1035	#if EV_USE_KQUEUE
941	if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A);	1036	if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A);
942	#endif	1037	#endif
943	#if EV_USE_EPOLL	1038	#if EV_USE_EPOLL
944	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);	1039	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);
		1040	#endif
		1041	#if EV_USE_INOTIFY
		1042	infy_fork (EV_A);
945	#endif	1043	#endif
946		1044
947	if (ev_is_active (&sigev))	1045	if (ev_is_active (&sigev))
948	{	1046	{
949	/* default loop */	1047	/* default loop */
…		…
1065	postfork = 1;	1163	postfork = 1;
1066	}	1164	}
1067		1165
1068	/*****************************************************************************/	1166	/*****************************************************************************/
1069		1167
1070	int inline_size
1071	any_pending (EV_P)
1072	{
1073	int pri;
1074
1075	for (pri = NUMPRI; pri--; )
1076	if (pendingcnt [pri])
1077	return 1;
1078
1079	return 0;
1080	}
1081
1082	void inline_speed	1168	void inline_speed
1083	call_pending (EV_P)	1169	call_pending (EV_P)
1084	{	1170	{
1085	int pri;	1171	int pri;
1086		1172
…		…
1089	{	1175	{
1090	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	1176	ANPENDING *p = pendings [pri] + --pendingcnt [pri];
1091		1177
1092	if (expect_true (p->w))	1178	if (expect_true (p->w))
1093	{	1179	{
1094	assert (("non-pending watcher on pending list", p->w->pending));	1180	/assert (("non-pending watcher on pending list", p->w->pending));/
1095		1181
1096	p->w->pending = 0;	1182	p->w->pending = 0;
1097	EV_CB_INVOKE (p->w, p->events);	1183	EV_CB_INVOKE (p->w, p->events);
1098	}	1184	}
1099	}	1185	}
…		…
1104	{	1190	{
1105	while (timercnt && ((WT)timers [0])->at <= mn_now)	1191	while (timercnt && ((WT)timers [0])->at <= mn_now)
1106	{	1192	{
1107	ev_timer *w = timers [0];	1193	ev_timer *w = timers [0];
1108		1194
1109	assert (("inactive timer on timer heap detected", ev_is_active (w)));	1195	/assert (("inactive timer on timer heap detected", ev_is_active (w)));/
1110		1196
1111	/* first reschedule or stop timer */	1197	/* first reschedule or stop timer */
1112	if (w->repeat)	1198	if (w->repeat)
1113	{	1199	{
1114	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));	1200	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
…		…
1132	{	1218	{
1133	while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)	1219	while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)
1134	{	1220	{
1135	ev_periodic *w = periodics [0];	1221	ev_periodic *w = periodics [0];
1136		1222
1137	assert (("inactive timer on periodic heap detected", ev_is_active (w)));	1223	/assert (("inactive timer on periodic heap detected", ev_is_active (w)));/
1138		1224
1139	/* first reschedule or stop timer */	1225	/* first reschedule or stop timer */
1140	if (w->reschedule_cb)	1226	if (w->reschedule_cb)
1141	{	1227	{
1142	((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001);	1228	((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001);
…		…
1176	for (i = periodiccnt >> 1; i--; )	1262	for (i = periodiccnt >> 1; i--; )
1177	downheap ((WT *)periodics, periodiccnt, i);	1263	downheap ((WT *)periodics, periodiccnt, i);
1178	}	1264	}
1179	#endif	1265	#endif
1180		1266
		1267	#if EV_IDLE_ENABLE
		1268	void inline_size
		1269	idle_reify (EV_P)
		1270	{
		1271	if (expect_false (idleall))
		1272	{
		1273	int pri;
		1274
		1275	for (pri = NUMPRI; pri--; )
		1276	{
		1277	if (pendingcnt [pri])
		1278	break;
		1279
		1280	if (idlecnt [pri])
		1281	{
		1282	queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE);
		1283	break;
		1284	}
		1285	}
		1286	}
		1287	}
		1288	#endif
		1289
1181	int inline_size	1290	int inline_size
1182	time_update_monotonic (EV_P)	1291	time_update_monotonic (EV_P)
1183	{	1292	{
1184	mn_now = get_clock ();	1293	mn_now = get_clock ();
1185		1294
…		…
1209	ev_tstamp odiff = rtmn_diff;	1318	ev_tstamp odiff = rtmn_diff;
1210		1319
1211	/* loop a few times, before making important decisions.	1320	/* loop a few times, before making important decisions.
1212	* on the choice of "4": one iteration isn't enough,	1321	* on the choice of "4": one iteration isn't enough,
1213	* in case we get preempted during the calls to	1322	* in case we get preempted during the calls to
1214	* ev_time and get_clock. a second call is almost guarenteed	1323	* ev_time and get_clock. a second call is almost guaranteed
1215	* to succeed in that case, though. and looping a few more times	1324	* to succeed in that case, though. and looping a few more times
1216	* doesn't hurt either as we only do this on time-jumps or	1325	* doesn't hurt either as we only do this on time-jumps or
1217	* in the unlikely event of getting preempted here.	1326	* in the unlikely event of having been preempted here.
1218	*/	1327	*/
1219	for (i = 4; --i; )	1328	for (i = 4; --i; )
1220	{	1329	{
1221	rtmn_diff = ev_rt_now - mn_now;	1330	rtmn_diff = ev_rt_now - mn_now;
1222		1331
…		…
1244	{	1353	{
1245	#if EV_PERIODIC_ENABLE	1354	#if EV_PERIODIC_ENABLE
1246	periodics_reschedule (EV_A);	1355	periodics_reschedule (EV_A);
1247	#endif	1356	#endif
1248		1357
1249	/* adjust timers. this is easy, as the offset is the same for all */	1358	/* adjust timers. this is easy, as the offset is the same for all of them */
1250	for (i = 0; i < timercnt; ++i)	1359	for (i = 0; i < timercnt; ++i)
1251	((WT)timers [i])->at += ev_rt_now - mn_now;	1360	((WT)timers [i])->at += ev_rt_now - mn_now;
1252	}	1361	}
1253		1362
1254	mn_now = ev_rt_now;	1363	mn_now = ev_rt_now;
…		…
1274	{	1383	{
1275	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK)	1384	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK)
1276	? EVUNLOOP_ONE	1385	? EVUNLOOP_ONE
1277	: EVUNLOOP_CANCEL;	1386	: EVUNLOOP_CANCEL;
1278		1387
1279	while (activecnt)	1388	call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */
		1389
		1390	do
1280	{	1391	{
1281	/* we might have forked, so reify kernel state if necessary */	1392	#ifndef _WIN32
		1393	if (expect_false (curpid)) /* penalise the forking check even more */
		1394	if (expect_false (getpid () != curpid))
		1395	{
		1396	curpid = getpid ();
		1397	postfork = 1;
		1398	}
		1399	#endif
		1400
1282	#if EV_FORK_ENABLE	1401	#if EV_FORK_ENABLE
		1402	/* we might have forked, so queue fork handlers */
1283	if (expect_false (postfork))	1403	if (expect_false (postfork))
1284	if (forkcnt)	1404	if (forkcnt)
1285	{	1405	{
1286	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);	1406	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
1287	call_pending (EV_A);	1407	call_pending (EV_A);
1288	}	1408	}
1289	#endif	1409	#endif
1290		1410
1291	/* queue check watchers (and execute them) */	1411	/* queue check watchers (and execute them) */
1292	if (expect_false (preparecnt))	1412	if (expect_false (preparecnt))
1293	{	1413	{
1294	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	1414	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
1295	call_pending (EV_A);	1415	call_pending (EV_A);
1296	}	1416	}
1297		1417
		1418	if (expect_false (!activecnt))
		1419	break;
		1420
1298	/* we might have forked, so reify kernel state if necessary */	1421	/* we might have forked, so reify kernel state if necessary */
1299	if (expect_false (postfork))	1422	if (expect_false (postfork))
1300	loop_fork (EV_A);	1423	loop_fork (EV_A);
1301		1424
1302	/* update fd-related kernel structures */	1425	/* update fd-related kernel structures */
1303	fd_reify (EV_A);	1426	fd_reify (EV_A);
1304		1427
1305	/* calculate blocking time */	1428	/* calculate blocking time */
1306	{	1429	{
1307	double block;	1430	ev_tstamp block;
1308		1431
1309	if (flags & EVLOOP_NONBLOCK \|\| idlecnt)	1432	if (expect_false (flags & EVLOOP_NONBLOCK \|\| idleall \|\| !activecnt))
1310	block = 0.; /* do not block at all */	1433	block = 0.; /* do not block at all */
1311	else	1434	else
1312	{	1435	{
1313	/* update time to cancel out callback processing overhead */	1436	/* update time to cancel out callback processing overhead */
1314	#if EV_USE_MONOTONIC	1437	#if EV_USE_MONOTONIC
…		…
1338	#endif	1461	#endif
1339		1462
1340	if (expect_false (block < 0.)) block = 0.;	1463	if (expect_false (block < 0.)) block = 0.;
1341	}	1464	}
1342		1465
		1466	++loop_count;
1343	backend_poll (EV_A_ block);	1467	backend_poll (EV_A_ block);
1344	}	1468	}
1345		1469
1346	/* update ev_rt_now, do magic */	1470	/* update ev_rt_now, do magic */
1347	time_update (EV_A);	1471	time_update (EV_A);
…		…
1350	timers_reify (EV_A); /* relative timers called last */	1474	timers_reify (EV_A); /* relative timers called last */
1351	#if EV_PERIODIC_ENABLE	1475	#if EV_PERIODIC_ENABLE
1352	periodics_reify (EV_A); /* absolute timers called first */	1476	periodics_reify (EV_A); /* absolute timers called first */
1353	#endif	1477	#endif
1354		1478
		1479	#if EV_IDLE_ENABLE
1355	/* queue idle watchers unless other events are pending */	1480	/* queue idle watchers unless other events are pending */
1356	if (idlecnt && !any_pending (EV_A))	1481	idle_reify (EV_A);
1357	queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);	1482	#endif
1358		1483
1359	/* queue check watchers, to be executed first */	1484	/* queue check watchers, to be executed first */
1360	if (expect_false (checkcnt))	1485	if (expect_false (checkcnt))
1361	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	1486	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
1362		1487
1363	call_pending (EV_A);	1488	call_pending (EV_A);
1364		1489
1365	if (expect_false (loop_done))
1366	break;
1367	}	1490	}
		1491	while (expect_true (activecnt && !loop_done));
1368		1492
1369	if (loop_done == EVUNLOOP_ONE)	1493	if (loop_done == EVUNLOOP_ONE)
1370	loop_done = EVUNLOOP_CANCEL;	1494	loop_done = EVUNLOOP_CANCEL;
1371	}	1495	}
1372		1496
…		…
1399	head = &(*head)->next;	1523	head = &(*head)->next;
1400	}	1524	}
1401	}	1525	}
1402		1526
1403	void inline_speed	1527	void inline_speed
1404	ev_clear_pending (EV_P_ W w)	1528	clear_pending (EV_P_ W w)
1405	{	1529	{
1406	if (w->pending)	1530	if (w->pending)
1407	{	1531	{
1408	pendings [ABSPRI (w)][w->pending - 1].w = 0;	1532	pendings [ABSPRI (w)][w->pending - 1].w = 0;
1409	w->pending = 0;	1533	w->pending = 0;
1410	}	1534	}
1411	}	1535	}
1412		1536
		1537	int
		1538	ev_clear_pending (EV_P_ void *w)
		1539	{
		1540	W w_ = (W)w;
		1541	int pending = w_->pending;
		1542
		1543	if (!pending)
		1544	return 0;
		1545
		1546	w_->pending = 0;
		1547	ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;
		1548	p->w = 0;
		1549
		1550	return p->events;
		1551	}
		1552
		1553	void inline_size
		1554	pri_adjust (EV_P_ W w)
		1555	{
		1556	int pri = w->priority;
		1557	pri = pri < EV_MINPRI ? EV_MINPRI : pri;
		1558	pri = pri > EV_MAXPRI ? EV_MAXPRI : pri;
		1559	w->priority = pri;
		1560	}
		1561
1413	void inline_speed	1562	void inline_speed
1414	ev_start (EV_P_ W w, int active)	1563	ev_start (EV_P_ W w, int active)
1415	{	1564	{
1416	if (w->priority < EV_MINPRI) w->priority = EV_MINPRI;	1565	pri_adjust (EV_A_ w);
1417	if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI;
1418
1419	w->active = active;	1566	w->active = active;
1420	ev_ref (EV_A);	1567	ev_ref (EV_A);
1421	}	1568	}
1422		1569
1423	void inline_size	1570	void inline_size
…		…
1447	}	1594	}
1448		1595
1449	void	1596	void
1450	ev_io_stop (EV_P_ ev_io *w)	1597	ev_io_stop (EV_P_ ev_io *w)
1451	{	1598	{
1452	ev_clear_pending (EV_A_ (W)w);	1599	clear_pending (EV_A_ (W)w);
1453	if (expect_false (!ev_is_active (w)))	1600	if (expect_false (!ev_is_active (w)))
1454	return;	1601	return;
1455		1602
1456	assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));	1603	assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
1457		1604
…		…
1474	ev_start (EV_A_ (W)w, ++timercnt);	1621	ev_start (EV_A_ (W)w, ++timercnt);
1475	array_needsize (ev_timer *, timers, timermax, timercnt, EMPTY2);	1622	array_needsize (ev_timer *, timers, timermax, timercnt, EMPTY2);
1476	timers [timercnt - 1] = w;	1623	timers [timercnt - 1] = w;
1477	upheap ((WT *)timers, timercnt - 1);	1624	upheap ((WT *)timers, timercnt - 1);
1478		1625
		1626	/assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));/
		1627	}
		1628
		1629	void
		1630	ev_timer_stop (EV_P_ ev_timer *w)
		1631	{
		1632	clear_pending (EV_A_ (W)w);
		1633	if (expect_false (!ev_is_active (w)))
		1634	return;
		1635
1479	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));	1636	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1480	}
1481		1637
1482	void	1638	{
1483	ev_timer_stop (EV_P_ ev_timer *w)	1639	int active = ((W)w)->active;
1484	{
1485	ev_clear_pending (EV_A_ (W)w);
1486	if (expect_false (!ev_is_active (w)))
1487	return;
1488		1640
1489	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1490
1491	if (expect_true (((W)w)->active < timercnt--))	1641	if (expect_true (--active < --timercnt))
1492	{	1642	{
1493	timers [((W)w)->active - 1] = timers [timercnt];	1643	timers [active] = timers [timercnt];
1494	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);	1644	adjustheap ((WT *)timers, timercnt, active);
1495	}	1645	}
		1646	}
1496		1647
1497	((WT)w)->at -= mn_now;	1648	((WT)w)->at -= mn_now;
1498		1649
1499	ev_stop (EV_A_ (W)w);	1650	ev_stop (EV_A_ (W)w);
1500	}	1651	}
…		…
1538	ev_start (EV_A_ (W)w, ++periodiccnt);	1689	ev_start (EV_A_ (W)w, ++periodiccnt);
1539	array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2);	1690	array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2);
1540	periodics [periodiccnt - 1] = w;	1691	periodics [periodiccnt - 1] = w;
1541	upheap ((WT *)periodics, periodiccnt - 1);	1692	upheap ((WT *)periodics, periodiccnt - 1);
1542		1693
		1694	/assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));/
		1695	}
		1696
		1697	void
		1698	ev_periodic_stop (EV_P_ ev_periodic *w)
		1699	{
		1700	clear_pending (EV_A_ (W)w);
		1701	if (expect_false (!ev_is_active (w)))
		1702	return;
		1703
1543	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));	1704	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1544	}
1545		1705
1546	void	1706	{
1547	ev_periodic_stop (EV_P_ ev_periodic *w)	1707	int active = ((W)w)->active;
1548	{
1549	ev_clear_pending (EV_A_ (W)w);
1550	if (expect_false (!ev_is_active (w)))
1551	return;
1552		1708
1553	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1554
1555	if (expect_true (((W)w)->active < periodiccnt--))	1709	if (expect_true (--active < --periodiccnt))
1556	{	1710	{
1557	periodics [((W)w)->active - 1] = periodics [periodiccnt];	1711	periodics [active] = periodics [periodiccnt];
1558	adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);	1712	adjustheap ((WT *)periodics, periodiccnt, active);
1559	}	1713	}
		1714	}
1560		1715
1561	ev_stop (EV_A_ (W)w);	1716	ev_stop (EV_A_ (W)w);
1562	}	1717	}
1563		1718
1564	void	1719	void
…		…
1604	}	1759	}
1605		1760
1606	void	1761	void
1607	ev_signal_stop (EV_P_ ev_signal *w)	1762	ev_signal_stop (EV_P_ ev_signal *w)
1608	{	1763	{
1609	ev_clear_pending (EV_A_ (W)w);	1764	clear_pending (EV_A_ (W)w);
1610	if (expect_false (!ev_is_active (w)))	1765	if (expect_false (!ev_is_active (w)))
1611	return;	1766	return;
1612		1767
1613	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);	1768	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);
1614	ev_stop (EV_A_ (W)w);	1769	ev_stop (EV_A_ (W)w);
…		…
1625	#endif	1780	#endif
1626	if (expect_false (ev_is_active (w)))	1781	if (expect_false (ev_is_active (w)))
1627	return;	1782	return;
1628		1783
1629	ev_start (EV_A_ (W)w, 1);	1784	ev_start (EV_A_ (W)w, 1);
1630	wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1785	wlist_add ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
1631	}	1786	}
1632		1787
1633	void	1788	void
1634	ev_child_stop (EV_P_ ev_child *w)	1789	ev_child_stop (EV_P_ ev_child *w)
1635	{	1790	{
1636	ev_clear_pending (EV_A_ (W)w);	1791	clear_pending (EV_A_ (W)w);
1637	if (expect_false (!ev_is_active (w)))	1792	if (expect_false (!ev_is_active (w)))
1638	return;	1793	return;
1639		1794
1640	wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);	1795	wlist_del ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
1641	ev_stop (EV_A_ (W)w);	1796	ev_stop (EV_A_ (W)w);
1642	}	1797	}
1643		1798
1644	#if EV_STAT_ENABLE	1799	#if EV_STAT_ENABLE
1645		1800
…		…
1649	# endif	1804	# endif
1650		1805
1651	#define DEF_STAT_INTERVAL 5.0074891	1806	#define DEF_STAT_INTERVAL 5.0074891
1652	#define MIN_STAT_INTERVAL 0.1074891	1807	#define MIN_STAT_INTERVAL 0.1074891
1653		1808
		1809	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);
		1810
		1811	#if EV_USE_INOTIFY
		1812	# define EV_INOTIFY_BUFSIZE 8192
		1813
		1814	static void noinline
		1815	infy_add (EV_P_ ev_stat *w)
		1816	{
		1817	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);
		1818
		1819	if (w->wd < 0)
		1820	{
		1821	ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */
		1822
		1823	/* monitor some parent directory for speedup hints */
		1824	if ((errno == ENOENT \|\| errno == EACCES) && strlen (w->path) < 4096)
		1825	{
		1826	char path [4096];
		1827	strcpy (path, w->path);
		1828
		1829	do
		1830	{
		1831	int mask = IN_MASK_ADD \| IN_DELETE_SELF \| IN_MOVE_SELF
		1832	\| (errno == EACCES ? IN_ATTRIB : IN_CREATE \| IN_MOVED_TO);
		1833
		1834	char *pend = strrchr (path, '/');
		1835
		1836	if (!pend)
		1837	break; /* whoops, no '/', complain to your admin */
		1838
		1839	*pend = 0;
		1840	w->wd = inotify_add_watch (fs_fd, path, mask);
		1841	}
		1842	while (w->wd < 0 && (errno == ENOENT \|\| errno == EACCES));
		1843	}
		1844	}
		1845	else
		1846	ev_timer_stop (EV_A_ &w->timer); /* we can watch this in a race-free way */
		1847
		1848	if (w->wd >= 0)
		1849	wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);
		1850	}
		1851
		1852	static void noinline
		1853	infy_del (EV_P_ ev_stat *w)
		1854	{
		1855	int slot;
		1856	int wd = w->wd;
		1857
		1858	if (wd < 0)
		1859	return;
		1860
		1861	w->wd = -2;
		1862	slot = wd & (EV_INOTIFY_HASHSIZE - 1);
		1863	wlist_del (&fs_hash [slot].head, (WL)w);
		1864
		1865	/* remove this watcher, if others are watching it, they will rearm */
		1866	inotify_rm_watch (fs_fd, wd);
		1867	}
		1868
		1869	static void noinline
		1870	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
		1871	{
		1872	if (slot < 0)
		1873	/* overflow, need to check for all hahs slots */
		1874	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)
		1875	infy_wd (EV_A_ slot, wd, ev);
		1876	else
		1877	{
		1878	WL w_;
		1879
		1880	for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; )
		1881	{
		1882	ev_stat w = (ev_stat )w_;
		1883	w_ = w_->next; /* lets us remove this watcher and all before it */
		1884
		1885	if (w->wd == wd \|\| wd == -1)
		1886	{
		1887	if (ev->mask & (IN_IGNORED \| IN_UNMOUNT \| IN_DELETE_SELF))
		1888	{
		1889	w->wd = -1;
		1890	infy_add (EV_A_ w); /* re-add, no matter what */
		1891	}
		1892
		1893	stat_timer_cb (EV_A_ &w->timer, 0);
		1894	}
		1895	}
		1896	}
		1897	}
		1898
		1899	static void
		1900	infy_cb (EV_P_ ev_io *w, int revents)
		1901	{
		1902	char buf [EV_INOTIFY_BUFSIZE];
		1903	struct inotify_event ev = (struct inotify_event )buf;
		1904	int ofs;
		1905	int len = read (fs_fd, buf, sizeof (buf));
		1906
		1907	for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len)
		1908	infy_wd (EV_A_ ev->wd, ev->wd, ev);
		1909	}
		1910
		1911	void inline_size
		1912	infy_init (EV_P)
		1913	{
		1914	if (fs_fd != -2)
		1915	return;
		1916
		1917	fs_fd = inotify_init ();
		1918
		1919	if (fs_fd >= 0)
		1920	{
		1921	ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ);
		1922	ev_set_priority (&fs_w, EV_MAXPRI);
		1923	ev_io_start (EV_A_ &fs_w);
		1924	}
		1925	}
		1926
		1927	void inline_size
		1928	infy_fork (EV_P)
		1929	{
		1930	int slot;
		1931
		1932	if (fs_fd < 0)
		1933	return;
		1934
		1935	close (fs_fd);
		1936	fs_fd = inotify_init ();
		1937
		1938	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)
		1939	{
		1940	WL w_ = fs_hash [slot].head;
		1941	fs_hash [slot].head = 0;
		1942
		1943	while (w_)
		1944	{
		1945	ev_stat w = (ev_stat )w_;
		1946	w_ = w_->next; /* lets us add this watcher */
		1947
		1948	w->wd = -1;
		1949
		1950	if (fs_fd >= 0)
		1951	infy_add (EV_A_ w); /* re-add, no matter what */
		1952	else
		1953	ev_timer_start (EV_A_ &w->timer);
		1954	}
		1955
		1956	}
		1957	}
		1958
		1959	#endif
		1960
1654	void	1961	void
1655	ev_stat_stat (EV_P_ ev_stat *w)	1962	ev_stat_stat (EV_P_ ev_stat *w)
1656	{	1963	{
1657	if (lstat (w->path, &w->attr) < 0)	1964	if (lstat (w->path, &w->attr) < 0)
1658	w->attr.st_nlink = 0;	1965	w->attr.st_nlink = 0;
1659	else if (!w->attr.st_nlink)	1966	else if (!w->attr.st_nlink)
1660	w->attr.st_nlink = 1;	1967	w->attr.st_nlink = 1;
1661	}	1968	}
1662		1969
1663	static void	1970	static void noinline
1664	stat_timer_cb (EV_P_ ev_timer *w_, int revents)	1971	stat_timer_cb (EV_P_ ev_timer *w_, int revents)
1665	{	1972	{
1666	ev_stat w = (ev_stat )(((char *)w_) - offsetof (ev_stat, timer));	1973	ev_stat w = (ev_stat )(((char *)w_) - offsetof (ev_stat, timer));
1667		1974
1668	/* we copy this here each the time so that */	1975	/* we copy this here each the time so that */
1669	/* prev has the old value when the callback gets invoked */	1976	/* prev has the old value when the callback gets invoked */
1670	w->prev = w->attr;	1977	w->prev = w->attr;
1671	ev_stat_stat (EV_A_ w);	1978	ev_stat_stat (EV_A_ w);
1672		1979
1673	if (memcmp (&w->prev, &w->attr, sizeof (ev_statdata)))	1980	/* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */
		1981	if (
		1982	w->prev.st_dev != w->attr.st_dev
		1983	\|\| w->prev.st_ino != w->attr.st_ino
		1984	\|\| w->prev.st_mode != w->attr.st_mode
		1985	\|\| w->prev.st_nlink != w->attr.st_nlink
		1986	\|\| w->prev.st_uid != w->attr.st_uid
		1987	\|\| w->prev.st_gid != w->attr.st_gid
		1988	\|\| w->prev.st_rdev != w->attr.st_rdev
		1989	\|\| w->prev.st_size != w->attr.st_size
		1990	\|\| w->prev.st_atime != w->attr.st_atime
		1991	\|\| w->prev.st_mtime != w->attr.st_mtime
		1992	\|\| w->prev.st_ctime != w->attr.st_ctime
		1993	) {
		1994	#if EV_USE_INOTIFY
		1995	infy_del (EV_A_ w);
		1996	infy_add (EV_A_ w);
		1997	ev_stat_stat (EV_A_ w); /* avoid race... */
		1998	#endif
		1999
1674	ev_feed_event (EV_A_ w, EV_STAT);	2000	ev_feed_event (EV_A_ w, EV_STAT);
		2001	}
1675	}	2002	}
1676		2003
1677	void	2004	void
1678	ev_stat_start (EV_P_ ev_stat *w)	2005	ev_stat_start (EV_P_ ev_stat *w)
1679	{	2006	{
…		…
1689	if (w->interval < MIN_STAT_INTERVAL)	2016	if (w->interval < MIN_STAT_INTERVAL)
1690	w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL;	2017	w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL;
1691		2018
1692	ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval);	2019	ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval);
1693	ev_set_priority (&w->timer, ev_priority (w));	2020	ev_set_priority (&w->timer, ev_priority (w));
		2021
		2022	#if EV_USE_INOTIFY
		2023	infy_init (EV_A);
		2024
		2025	if (fs_fd >= 0)
		2026	infy_add (EV_A_ w);
		2027	else
		2028	#endif
1694	ev_timer_start (EV_A_ &w->timer);	2029	ev_timer_start (EV_A_ &w->timer);
1695		2030
1696	ev_start (EV_A_ (W)w, 1);	2031	ev_start (EV_A_ (W)w, 1);
1697	}	2032	}
1698		2033
1699	void	2034	void
1700	ev_stat_stop (EV_P_ ev_stat *w)	2035	ev_stat_stop (EV_P_ ev_stat *w)
1701	{	2036	{
1702	ev_clear_pending (EV_A_ (W)w);	2037	clear_pending (EV_A_ (W)w);
1703	if (expect_false (!ev_is_active (w)))	2038	if (expect_false (!ev_is_active (w)))
1704	return;	2039	return;
1705		2040
		2041	#if EV_USE_INOTIFY
		2042	infy_del (EV_A_ w);
		2043	#endif
1706	ev_timer_stop (EV_A_ &w->timer);	2044	ev_timer_stop (EV_A_ &w->timer);
1707		2045
1708	ev_stop (EV_A_ (W)w);	2046	ev_stop (EV_A_ (W)w);
1709	}	2047	}
1710	#endif	2048	#endif
1711		2049
		2050	#if EV_IDLE_ENABLE
1712	void	2051	void
1713	ev_idle_start (EV_P_ ev_idle *w)	2052	ev_idle_start (EV_P_ ev_idle *w)
1714	{	2053	{
1715	if (expect_false (ev_is_active (w)))	2054	if (expect_false (ev_is_active (w)))
1716	return;	2055	return;
1717		2056
		2057	pri_adjust (EV_A_ (W)w);
		2058
		2059	{
		2060	int active = ++idlecnt [ABSPRI (w)];
		2061
		2062	++idleall;
1718	ev_start (EV_A_ (W)w, ++idlecnt);	2063	ev_start (EV_A_ (W)w, active);
		2064
1719	array_needsize (ev_idle *, idles, idlemax, idlecnt, EMPTY2);	2065	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2);
1720	idles [idlecnt - 1] = w;	2066	idles [ABSPRI (w)][active - 1] = w;
		2067	}
1721	}	2068	}
1722		2069
1723	void	2070	void
1724	ev_idle_stop (EV_P_ ev_idle *w)	2071	ev_idle_stop (EV_P_ ev_idle *w)
1725	{	2072	{
1726	ev_clear_pending (EV_A_ (W)w);	2073	clear_pending (EV_A_ (W)w);
1727	if (expect_false (!ev_is_active (w)))	2074	if (expect_false (!ev_is_active (w)))
1728	return;	2075	return;
1729		2076
1730	{	2077	{
1731	int active = ((W)w)->active;	2078	int active = ((W)w)->active;
1732	idles [active - 1] = idles [--idlecnt];	2079
		2080	idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]];
1733	((W)idles [active - 1])->active = active;	2081	((W)idles [ABSPRI (w)][active - 1])->active = active;
		2082
		2083	ev_stop (EV_A_ (W)w);
		2084	--idleall;
1734	}	2085	}
1735
1736	ev_stop (EV_A_ (W)w);
1737	}	2086	}
		2087	#endif
1738		2088
1739	void	2089	void
1740	ev_prepare_start (EV_P_ ev_prepare *w)	2090	ev_prepare_start (EV_P_ ev_prepare *w)
1741	{	2091	{
1742	if (expect_false (ev_is_active (w)))	2092	if (expect_false (ev_is_active (w)))
…		…
1748	}	2098	}
1749		2099
1750	void	2100	void
1751	ev_prepare_stop (EV_P_ ev_prepare *w)	2101	ev_prepare_stop (EV_P_ ev_prepare *w)
1752	{	2102	{
1753	ev_clear_pending (EV_A_ (W)w);	2103	clear_pending (EV_A_ (W)w);
1754	if (expect_false (!ev_is_active (w)))	2104	if (expect_false (!ev_is_active (w)))
1755	return;	2105	return;
1756		2106
1757	{	2107	{
1758	int active = ((W)w)->active;	2108	int active = ((W)w)->active;
…		…
1775	}	2125	}
1776		2126
1777	void	2127	void
1778	ev_check_stop (EV_P_ ev_check *w)	2128	ev_check_stop (EV_P_ ev_check *w)
1779	{	2129	{
1780	ev_clear_pending (EV_A_ (W)w);	2130	clear_pending (EV_A_ (W)w);
1781	if (expect_false (!ev_is_active (w)))	2131	if (expect_false (!ev_is_active (w)))
1782	return;	2132	return;
1783		2133
1784	{	2134	{
1785	int active = ((W)w)->active;	2135	int active = ((W)w)->active;
…		…
1827	}	2177	}
1828		2178
1829	void	2179	void
1830	ev_embed_stop (EV_P_ ev_embed *w)	2180	ev_embed_stop (EV_P_ ev_embed *w)
1831	{	2181	{
1832	ev_clear_pending (EV_A_ (W)w);	2182	clear_pending (EV_A_ (W)w);
1833	if (expect_false (!ev_is_active (w)))	2183	if (expect_false (!ev_is_active (w)))
1834	return;	2184	return;
1835		2185
1836	ev_io_stop (EV_A_ &w->io);	2186	ev_io_stop (EV_A_ &w->io);
1837		2187
…		…
1852	}	2202	}
1853		2203
1854	void	2204	void
1855	ev_fork_stop (EV_P_ ev_fork *w)	2205	ev_fork_stop (EV_P_ ev_fork *w)
1856	{	2206	{
1857	ev_clear_pending (EV_A_ (W)w);	2207	clear_pending (EV_A_ (W)w);
1858	if (expect_false (!ev_is_active (w)))	2208	if (expect_false (!ev_is_active (w)))
1859	return;	2209	return;
1860		2210
1861	{	2211	{
1862	int active = ((W)w)->active;	2212	int active = ((W)w)->active;

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Comparing libev/ev.c (file contents): Revision 1.148 by root, Tue Nov 27 11:11:13 2007 UTC vs. Revision 1.167 by root, Sat Dec 8 04:02:31 2007 UTC

Diff Legend

Comparing libev/ev.c (file contents):
Revision 1.148 by root, Tue Nov 27 11:11:13 2007 UTC vs.
Revision 1.167 by root, Sat Dec 8 04:02:31 2007 UTC