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Comparing libev/ev.c (file contents):
Revision 1.278 by root, Tue Jan 6 19:46:56 2009 UTC vs.
Revision 1.283 by root, Wed Apr 15 09:51:19 2009 UTC

… …
64# if HAVE_CLOCK_GETTIME 64# if HAVE_CLOCK_GETTIME
65# ifndef EV_USE_MONOTONIC 65# ifndef EV_USE_MONOTONIC
66# define EV_USE_MONOTONIC 1 66# define EV_USE_MONOTONIC 1
67# endif 67# endif
68# ifndef EV_USE_REALTIME 68# ifndef EV_USE_REALTIME
69# define EV_USE_REALTIME 1 69# define EV_USE_REALTIME 0
70# endif 70# endif
71# else 71# else
72# ifndef EV_USE_MONOTONIC 72# ifndef EV_USE_MONOTONIC
73# define EV_USE_MONOTONIC 0 73# define EV_USE_MONOTONIC 0
74# endif 74# endif
… …
193# define EV_USE_MONOTONIC 0 193# define EV_USE_MONOTONIC 0
194# endif 194# endif
195#endif 195#endif
196 196
197#ifndef EV_USE_REALTIME 197#ifndef EV_USE_REALTIME
198# define EV_USE_REALTIME 0 198# define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL
199#endif 199#endif
200 200
201#ifndef EV_USE_NANOSLEEP 201#ifndef EV_USE_NANOSLEEP
202# if _POSIX_C_SOURCE >= 199309L 202# if _POSIX_C_SOURCE >= 199309L
203# define EV_USE_NANOSLEEP 1 203# define EV_USE_NANOSLEEP 1
… …
397typedef ev_watcher_time *WT; 397typedef ev_watcher_time *WT;
398 398
399#define ev_active(w) ((W)(w))->active 399#define ev_active(w) ((W)(w))->active
400#define ev_at(w) ((WT)(w))->at 400#define ev_at(w) ((WT)(w))->at
401 401
402#if EV_USE_MONOTONIC 402#if EV_USE_REALTIME
403/* sig_atomic_t is used to avoid per-thread variables or locking but still */ 403/* sig_atomic_t is used to avoid per-thread variables or locking but still */
404/* giving it a reasonably high chance of working on typical architetcures */ 404/* giving it a reasonably high chance of working on typical architetcures */
405static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */
406#endif
407
408#if EV_USE_MONOTONIC
405static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ 409static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
406#endif 410#endif
407 411
408#ifdef _WIN32 412#ifdef _WIN32
409# include "ev_win32.c" 413# include "ev_win32.c"
… …
553 557
554ev_tstamp 558ev_tstamp
555ev_time (void) 559ev_time (void)
556{ 560{
557#if EV_USE_REALTIME 561#if EV_USE_REALTIME
562 if (expect_true (have_realtime))
563 {
558 struct timespec ts; 564 struct timespec ts;
559 clock_gettime (CLOCK_REALTIME, &ts); 565 clock_gettime (CLOCK_REALTIME, &ts);
560 return ts.tv_sec + ts.tv_nsec * 1e-9; 566 return ts.tv_sec + ts.tv_nsec * 1e-9;
561#else 567 }
568#endif
569
562 struct timeval tv; 570 struct timeval tv;
563 gettimeofday (&tv, 0); 571 gettimeofday (&tv, 0);
564 return tv.tv_sec + tv.tv_usec * 1e-6; 572 return tv.tv_sec + tv.tv_usec * 1e-6;
565#endif
566} 573}
567 574
568ev_tstamp inline_size 575ev_tstamp inline_size
569get_clock (void) 576get_clock (void)
570{ 577{
… …
669 fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ 676 fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\
670 } 677 }
671#endif 678#endif
672 679
673#define array_free(stem, idx) \ 680#define array_free(stem, idx) \
674 ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; 681 ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0
675 682
676/*****************************************************************************/ 683/*****************************************************************************/
677 684
678void noinline 685void noinline
679ev_feed_event (EV_P_ void *w, int revents) 686ev_feed_event (EV_P_ void *w, int revents)
… …
759 unsigned char o_reify = anfd->reify; 766 unsigned char o_reify = anfd->reify;
760 767
761 anfd->reify = 0; 768 anfd->reify = 0;
762 anfd->events = events; 769 anfd->events = events;
763 770
764 if (o_events != events || o_reify & EV_IOFDSET) 771 if (o_events != events || o_reify & EV__IOFDSET)
765 backend_modify (EV_A_ fd, o_events, events); 772 backend_modify (EV_A_ fd, o_events, events);
766 } 773 }
767 } 774 }
768 775
769 fdchangecnt = 0; 776 fdchangecnt = 0;
… …
840 for (fd = 0; fd < anfdmax; ++fd) 847 for (fd = 0; fd < anfdmax; ++fd)
841 if (anfds [fd].events) 848 if (anfds [fd].events)
842 { 849 {
843 anfds [fd].events = 0; 850 anfds [fd].events = 0;
844 anfds [fd].emask = 0; 851 anfds [fd].emask = 0;
845 fd_change (EV_A_ fd, EV_IOFDSET | 1); 852 fd_change (EV_A_ fd, EV__IOFDSET | 1);
846 } 853 }
847} 854}
848 855
849/*****************************************************************************/ 856/*****************************************************************************/
850 857
… …
1319static void noinline 1326static void noinline
1320loop_init (EV_P_ unsigned int flags) 1327loop_init (EV_P_ unsigned int flags)
1321{ 1328{
1322 if (!backend) 1329 if (!backend)
1323 { 1330 {
1331#if EV_USE_REALTIME
1332 if (!have_realtime)
1333 {
1334 struct timespec ts;
1335
1336 if (!clock_gettime (CLOCK_REALTIME, &ts))
1337 have_realtime = 1;
1338 }
1339#endif
1340
1324#if EV_USE_MONOTONIC 1341#if EV_USE_MONOTONIC
1342 if (!have_monotonic)
1325 { 1343 {
1326 struct timespec ts; 1344 struct timespec ts;
1345
1327 if (!clock_gettime (CLOCK_MONOTONIC, &ts)) 1346 if (!clock_gettime (CLOCK_MONOTONIC, &ts))
1328 have_monotonic = 1; 1347 have_monotonic = 1;
1329 } 1348 }
1330#endif 1349#endif
1331 1350
1332 ev_rt_now = ev_time (); 1351 ev_rt_now = ev_time ();
1333 mn_now = get_clock (); 1352 mn_now = get_clock ();
1334 now_floor = mn_now; 1353 now_floor = mn_now;
… …
1978 { 1997 {
1979 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); 1998 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
1980 call_pending (EV_A); 1999 call_pending (EV_A);
1981 } 2000 }
1982 2001
1983 if (expect_false (!activecnt))
1984 break;
1985
1986 /* we might have forked, so reify kernel state if necessary */ 2002 /* we might have forked, so reify kernel state if necessary */
1987 if (expect_false (postfork)) 2003 if (expect_false (postfork))
1988 loop_fork (EV_A); 2004 loop_fork (EV_A);
1989 2005
1990 /* update fd-related kernel structures */ 2006 /* update fd-related kernel structures */
… …
2155 2171
2156 if (expect_false (ev_is_active (w))) 2172 if (expect_false (ev_is_active (w)))
2157 return; 2173 return;
2158 2174
2159 assert (("libev: ev_io_start called with negative fd", fd >= 0)); 2175 assert (("libev: ev_io_start called with negative fd", fd >= 0));
2160 assert (("libev: ev_io start called with illegal event mask", !(w->events & ~(EV_IOFDSET | EV_READ | EV_WRITE)))); 2176 assert (("libev: ev_io start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
2161 2177
2162 EV_FREQUENT_CHECK; 2178 EV_FREQUENT_CHECK;
2163 2179
2164 ev_start (EV_A_ (W)w, 1); 2180 ev_start (EV_A_ (W)w, 1);
2165 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); 2181 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
2166 wlist_add (&anfds[fd].head, (WL)w); 2182 wlist_add (&anfds[fd].head, (WL)w);
2167 2183
2168 fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); 2184 fd_change (EV_A_ fd, w->events & EV__IOFDSET | 1);
2169 w->events &= ~EV_IOFDSET; 2185 w->events &= ~EV__IOFDSET;
2170 2186
2171 EV_FREQUENT_CHECK; 2187 EV_FREQUENT_CHECK;
2172} 2188}
2173 2189
2174void noinline 2190void noinline
… …
3127 ev_timer_set (&once->to, timeout, 0.); 3143 ev_timer_set (&once->to, timeout, 0.);
3128 ev_timer_start (EV_A_ &once->to); 3144 ev_timer_start (EV_A_ &once->to);
3129 } 3145 }
3130} 3146}
3131 3147
3148/*****************************************************************************/
3149
3150#if 0
3151void
3152ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w))
3153{
3154 int i, j;
3155 ev_watcher_list *wl, *wn;
3156
3157 if (types & (EV_IO | EV_EMBED))
3158 for (i = 0; i < anfdmax; ++i)
3159 for (wl = anfds [i].head; wl; )
3160 {
3161 wn = wl->next;
3162
3163#if EV_EMBED_ENABLE
3164 if (ev_cb ((ev_io *)wl) == embed_io_cb)
3165 {
3166 if (types & EV_EMBED)
3167 cb (EV_A_ EV_EMBED, ((char *)wl) - offsetof (struct ev_embed, io));
3168 }
3169 else
3170#endif
3171#if EV_USE_INOTIFY
3172 if (ev_cb ((ev_io *)wl) == infy_cb)
3173 ;
3174 else
3175#endif
3176 if ((ev_io *)wl != &pipeev)
3177 if (types & EV_IO)
3178 cb (EV_A_ EV_IO, wl);
3179
3180 wl = wn;
3181 }
3182
3183 if (types & (EV_TIMER | EV_STAT))
3184 for (i = timercnt + HEAP0; i-- > HEAP0; )
3185#if EV_STAT_ENABLE
3186 /*TODO: timer is not always active*/
3187 if (ev_cb ((ev_timer *)ANHE_w (timers [i])) == stat_timer_cb)
3188 {
3189 if (types & EV_STAT)
3190 cb (EV_A_ EV_STAT, ((char *)ANHE_w (timers [i])) - offsetof (struct ev_stat, timer));
3191 }
3192 else
3193#endif
3194 if (types & EV_TIMER)
3195 cb (EV_A_ EV_TIMER, ANHE_w (timers [i]));
3196
3197#if EV_PERIODIC_ENABLE
3198 if (types & EV_PERIODIC)
3199 for (i = periodiccnt + HEAP0; i-- > HEAP0; )
3200 cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i]));
3201#endif
3202
3203#if EV_IDLE_ENABLE
3204 if (types & EV_IDLE)
3205 for (j = NUMPRI; i--; )
3206 for (i = idlecnt [j]; i--; )
3207 cb (EV_A_ EV_IDLE, idles [j][i]);
3208#endif
3209
3210#if EV_FORK_ENABLE
3211 if (types & EV_FORK)
3212 for (i = forkcnt; i--; )
3213 if (ev_cb (forks [i]) != embed_fork_cb)
3214 cb (EV_A_ EV_FORK, forks [i]);
3215#endif
3216
3217#if EV_ASYNC_ENABLE
3218 if (types & EV_ASYNC)
3219 for (i = asynccnt; i--; )
3220 cb (EV_A_ EV_ASYNC, asyncs [i]);
3221#endif
3222
3223 if (types & EV_PREPARE)
3224 for (i = preparecnt; i--; )
3225#if EV_EMBED_ENABLE
3226 if (ev_cb (prepares [i]) != embed_prepare_cb)
3227#endif
3228 cb (EV_A_ EV_PREPARE, prepares [i]);
3229
3230 if (types & EV_CHECK)
3231 for (i = checkcnt; i--; )
3232 cb (EV_A_ EV_CHECK, checks [i]);
3233
3234 if (types & EV_SIGNAL)
3235 for (i = 0; i < signalmax; ++i)
3236 for (wl = signals [i].head; wl; )
3237 {
3238 wn = wl->next;
3239 cb (EV_A_ EV_SIGNAL, wl);
3240 wl = wn;
3241 }
3242
3243 if (types & EV_CHILD)
3244 for (i = EV_PID_HASHSIZE; i--; )
3245 for (wl = childs [i]; wl; )
3246 {
3247 wn = wl->next;
3248 cb (EV_A_ EV_CHILD, wl);
3249 wl = wn;
3250 }
3251/* EV_STAT 0x00001000 /* stat data changed */
3252/* EV_EMBED 0x00010000 /* embedded event loop needs sweep */
3253}
3254#endif
3255
3132#if EV_MULTIPLICITY 3256#if EV_MULTIPLICITY
3133 #include "ev_wrap.h" 3257 #include "ev_wrap.h"
3134#endif 3258#endif
3135 3259
3136#ifdef __cplusplus 3260#ifdef __cplusplus

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