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Comparing libev/ev.c (file contents):
Revision 1.342 by root, Mon Mar 29 12:40:57 2010 UTC vs.
Revision 1.356 by root, Fri Oct 22 11:21:52 2010 UTC

… …
35 * and other provisions required by the GPL. If you do not delete the 35 * and other provisions required by the GPL. If you do not delete the
36 * provisions above, a recipient may use your version of this file under 36 * provisions above, a recipient may use your version of this file under
37 * either the BSD or the GPL. 37 * either the BSD or the GPL.
38 */ 38 */
39 39
40#ifdef __cplusplus
41extern "C" {
42#endif
43
44/* this big block deduces configuration from config.h */ 40/* this big block deduces configuration from config.h */
45#ifndef EV_STANDALONE 41#ifndef EV_STANDALONE
46# ifdef EV_CONFIG_H 42# ifdef EV_CONFIG_H
47# include EV_CONFIG_H 43# include EV_CONFIG_H
48# else 44# else
… …
77# ifndef EV_USE_REALTIME 73# ifndef EV_USE_REALTIME
78# define EV_USE_REALTIME 0 74# define EV_USE_REALTIME 0
79# endif 75# endif
80# endif 76# endif
81 77
78# if HAVE_NANOSLEEP
82# ifndef EV_USE_NANOSLEEP 79# ifndef EV_USE_NANOSLEEP
83# if HAVE_NANOSLEEP
84# define EV_USE_NANOSLEEP EV_FEATURE_OS 80# define EV_USE_NANOSLEEP EV_FEATURE_OS
81# endif
85# else 82# else
83# undef EV_USE_NANOSLEEP
86# define EV_USE_NANOSLEEP 0 84# define EV_USE_NANOSLEEP 0
85# endif
86
87# if HAVE_SELECT && HAVE_SYS_SELECT_H
88# ifndef EV_USE_SELECT
89# define EV_USE_SELECT EV_FEATURE_BACKENDS
87# endif 90# endif
91# else
92# undef EV_USE_SELECT
93# define EV_USE_SELECT 0
88# endif 94# endif
89 95
96# if HAVE_POLL && HAVE_POLL_H
90# ifndef EV_USE_SELECT 97# ifndef EV_USE_POLL
91# if HAVE_SELECT && HAVE_SYS_SELECT_H
92# define EV_USE_SELECT EV_FEATURE_BACKENDS 98# define EV_USE_POLL EV_FEATURE_BACKENDS
93# else
94# define EV_USE_SELECT 0
95# endif 99# endif
96# endif
97
98# ifndef EV_USE_POLL
99# if HAVE_POLL && HAVE_POLL_H
100# define EV_USE_POLL EV_FEATURE_BACKENDS
101# else 100# else
101# undef EV_USE_POLL
102# define EV_USE_POLL 0 102# define EV_USE_POLL 0
103# endif
104# endif 103# endif
105 104
106# ifndef EV_USE_EPOLL
107# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H 105# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H
106# ifndef EV_USE_EPOLL
108# define EV_USE_EPOLL EV_FEATURE_BACKENDS 107# define EV_USE_EPOLL EV_FEATURE_BACKENDS
109# else
110# define EV_USE_EPOLL 0
111# endif 108# endif
109# else
110# undef EV_USE_EPOLL
111# define EV_USE_EPOLL 0
112# endif 112# endif
113 113
114# ifndef EV_USE_KQUEUE
115# if HAVE_KQUEUE && HAVE_SYS_EVENT_H 114# if HAVE_KQUEUE && HAVE_SYS_EVENT_H
115# ifndef EV_USE_KQUEUE
116# define EV_USE_KQUEUE EV_FEATURE_BACKENDS 116# define EV_USE_KQUEUE EV_FEATURE_BACKENDS
117# else
118# define EV_USE_KQUEUE 0
119# endif 117# endif
118# else
119# undef EV_USE_KQUEUE
120# define EV_USE_KQUEUE 0
120# endif 121# endif
121 122
122# ifndef EV_USE_PORT
123# if HAVE_PORT_H && HAVE_PORT_CREATE 123# if HAVE_PORT_H && HAVE_PORT_CREATE
124# ifndef EV_USE_PORT
124# define EV_USE_PORT EV_FEATURE_BACKENDS 125# define EV_USE_PORT EV_FEATURE_BACKENDS
125# else
126# define EV_USE_PORT 0
127# endif 126# endif
127# else
128# undef EV_USE_PORT
129# define EV_USE_PORT 0
128# endif 130# endif
129 131
130# ifndef EV_USE_INOTIFY
131# if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H 132# if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H
133# ifndef EV_USE_INOTIFY
132# define EV_USE_INOTIFY EV_FEATURE_OS 134# define EV_USE_INOTIFY EV_FEATURE_OS
133# else
134# define EV_USE_INOTIFY 0
135# endif 135# endif
136# else
137# undef EV_USE_INOTIFY
138# define EV_USE_INOTIFY 0
136# endif 139# endif
137 140
138# ifndef EV_USE_SIGNALFD
139# if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H 141# if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H
142# ifndef EV_USE_SIGNALFD
140# define EV_USE_SIGNALFD EV_FEATURE_OS 143# define EV_USE_SIGNALFD EV_FEATURE_OS
141# else
142# define EV_USE_SIGNALFD 0
143# endif 144# endif
145# else
146# undef EV_USE_SIGNALFD
147# define EV_USE_SIGNALFD 0
144# endif 148# endif
145 149
150# if HAVE_EVENTFD
146# ifndef EV_USE_EVENTFD 151# ifndef EV_USE_EVENTFD
147# if HAVE_EVENTFD
148# define EV_USE_EVENTFD EV_FEATURE_OS 152# define EV_USE_EVENTFD EV_FEATURE_OS
149# else
150# define EV_USE_EVENTFD 0
151# endif 153# endif
154# else
155# undef EV_USE_EVENTFD
156# define EV_USE_EVENTFD 0
152# endif 157# endif
153 158
154#endif 159#endif
155 160
156#include <math.h> 161#include <math.h>
… …
172#ifdef EV_H 177#ifdef EV_H
173# include EV_H 178# include EV_H
174#else 179#else
175# include "ev.h" 180# include "ev.h"
176#endif 181#endif
182
183EV_CPP(extern "C" {)
177 184
178#ifndef _WIN32 185#ifndef _WIN32
179# include <sys/time.h> 186# include <sys/time.h>
180# include <sys/wait.h> 187# include <sys/wait.h>
181# include <unistd.h> 188# include <unistd.h>
… …
186# ifndef EV_SELECT_IS_WINSOCKET 193# ifndef EV_SELECT_IS_WINSOCKET
187# define EV_SELECT_IS_WINSOCKET 1 194# define EV_SELECT_IS_WINSOCKET 1
188# endif 195# endif
189# undef EV_AVOID_STDIO 196# undef EV_AVOID_STDIO
190#endif 197#endif
198
199/* OS X, in its infinite idiocy, actually HARDCODES
200 * a limit of 1024 into their select. Where people have brains,
201 * OS X engineers apparently have a vacuum. Or maybe they were
202 * ordered to have a vacuum, or they do anything for money.
203 * This might help. Or not.
204 */
205#define _DARWIN_UNLIMITED_SELECT 1
191 206
192/* this block tries to deduce configuration from header-defined symbols and defaults */ 207/* this block tries to deduce configuration from header-defined symbols and defaults */
193 208
194/* try to deduce the maximum number of signals on this platform */ 209/* try to deduce the maximum number of signals on this platform */
195#if defined (EV_NSIG) 210#if defined (EV_NSIG)
… …
367# include <sys/select.h> 382# include <sys/select.h>
368# endif 383# endif
369#endif 384#endif
370 385
371#if EV_USE_INOTIFY 386#if EV_USE_INOTIFY
372# include <sys/utsname.h>
373# include <sys/statfs.h> 387# include <sys/statfs.h>
374# include <sys/inotify.h> 388# include <sys/inotify.h>
375/* some very old inotify.h headers don't have IN_DONT_FOLLOW */ 389/* some very old inotify.h headers don't have IN_DONT_FOLLOW */
376# ifndef IN_DONT_FOLLOW 390# ifndef IN_DONT_FOLLOW
377# undef EV_USE_INOTIFY 391# undef EV_USE_INOTIFY
… …
394# define EFD_CLOEXEC O_CLOEXEC 408# define EFD_CLOEXEC O_CLOEXEC
395# else 409# else
396# define EFD_CLOEXEC 02000000 410# define EFD_CLOEXEC 02000000
397# endif 411# endif
398# endif 412# endif
399# ifdef __cplusplus
400extern "C" {
401# endif
402int (eventfd) (unsigned int initval, int flags); 413EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags);
403# ifdef __cplusplus
404}
405# endif
406#endif 414#endif
407 415
408#if EV_USE_SIGNALFD 416#if EV_USE_SIGNALFD
409/* our minimum requirement is glibc 2.7 which has the stub, but not the header */ 417/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
410# include <stdint.h> 418# include <stdint.h>
… …
416# define SFD_CLOEXEC O_CLOEXEC 424# define SFD_CLOEXEC O_CLOEXEC
417# else 425# else
418# define SFD_CLOEXEC 02000000 426# define SFD_CLOEXEC 02000000
419# endif 427# endif
420# endif 428# endif
421# ifdef __cplusplus
422extern "C" {
423# endif
424int signalfd (int fd, const sigset_t *mask, int flags); 429EV_CPP (extern "C") int signalfd (int fd, const sigset_t *mask, int flags);
425 430
426struct signalfd_siginfo 431struct signalfd_siginfo
427{ 432{
428 uint32_t ssi_signo; 433 uint32_t ssi_signo;
429 char pad[128 - sizeof (uint32_t)]; 434 char pad[128 - sizeof (uint32_t)];
430}; 435};
431# ifdef __cplusplus
432}
433# endif 436#endif
434#endif
435
436 437
437/**/ 438/**/
438 439
439#if EV_VERIFY >= 3 440#if EV_VERIFY >= 3
440# define EV_FREQUENT_CHECK ev_verify (EV_A) 441# define EV_FREQUENT_CHECK ev_verify (EV_A)
… …
453#define TIME_EPSILON 0.0001220703125 /* 1/8192 */ 454#define TIME_EPSILON 0.0001220703125 /* 1/8192 */
454 455
455#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ 456#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */
456#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ 457#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
457 458
459#define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0)
460#define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0)
461
458#if __GNUC__ >= 4 462#if __GNUC__ >= 4
459# define expect(expr,value) __builtin_expect ((expr),(value)) 463# define expect(expr,value) __builtin_expect ((expr),(value))
460# define noinline __attribute__ ((noinline)) 464# define noinline __attribute__ ((noinline))
461#else 465#else
462# define expect(expr,value) (expr) 466# define expect(expr,value) (expr)
… …
494#define ev_active(w) ((W)(w))->active 498#define ev_active(w) ((W)(w))->active
495#define ev_at(w) ((WT)(w))->at 499#define ev_at(w) ((WT)(w))->at
496 500
497#if EV_USE_REALTIME 501#if EV_USE_REALTIME
498/* sig_atomic_t is used to avoid per-thread variables or locking but still */ 502/* sig_atomic_t is used to avoid per-thread variables or locking but still */
499/* giving it a reasonably high chance of working on typical architetcures */ 503/* giving it a reasonably high chance of working on typical architectures */
500static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ 504static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */
501#endif 505#endif
502 506
503#if EV_USE_MONOTONIC 507#if EV_USE_MONOTONIC
504static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ 508static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
… …
515#endif 519#endif
516 520
517#ifdef _WIN32 521#ifdef _WIN32
518# include "ev_win32.c" 522# include "ev_win32.c"
519#endif 523#endif
524
525/*****************************************************************************/
526
527#ifdef __linux
528# include <sys/utsname.h>
529#endif
530
531static unsigned int noinline
532ev_linux_version (void)
533{
534#ifdef __linux
535 struct utsname buf;
536 unsigned int v;
537 int i;
538 char *p = buf.release;
539
540 if (uname (&buf))
541 return 0;
542
543 for (i = 3+1; --i; )
544 {
545 unsigned int c = 0;
546
547 for (;;)
548 {
549 if (*p >= '0' && *p <= '9')
550 c = c * 10 + *p++ - '0';
551 else
552 {
553 p += *p == '.';
554 break;
555 }
556 }
557
558 v = (v << 8) | c;
559 }
560
561 return v;
562#else
563 return 0;
564#endif
565}
520 566
521/*****************************************************************************/ 567/*****************************************************************************/
522 568
523#if EV_AVOID_STDIO 569#if EV_AVOID_STDIO
524static void noinline 570static void noinline
… …
698# define EV_RELEASE_CB (void)0 744# define EV_RELEASE_CB (void)0
699# define EV_ACQUIRE_CB (void)0 745# define EV_ACQUIRE_CB (void)0
700# define EV_INVOKE_PENDING ev_invoke_pending (EV_A) 746# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)
701#endif 747#endif
702 748
703#define EVUNLOOP_RECURSE 0x80 749#define EVBREAK_RECURSE 0x80
704 750
705/*****************************************************************************/ 751/*****************************************************************************/
706 752
707#ifndef EV_HAVE_EV_TIME 753#ifndef EV_HAVE_EV_TIME
708ev_tstamp 754ev_tstamp
… …
752 if (delay > 0.) 798 if (delay > 0.)
753 { 799 {
754#if EV_USE_NANOSLEEP 800#if EV_USE_NANOSLEEP
755 struct timespec ts; 801 struct timespec ts;
756 802
757 ts.tv_sec = (time_t)delay; 803 EV_TS_SET (ts, delay);
758 ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9);
759
760 nanosleep (&ts, 0); 804 nanosleep (&ts, 0);
761#elif defined(_WIN32) 805#elif defined(_WIN32)
762 Sleep ((unsigned long)(delay * 1e3)); 806 Sleep ((unsigned long)(delay * 1e3));
763#else 807#else
764 struct timeval tv; 808 struct timeval tv;
765 809
766 tv.tv_sec = (time_t)delay;
767 tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);
768
769 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ 810 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
770 /* something not guaranteed by newer posix versions, but guaranteed */ 811 /* something not guaranteed by newer posix versions, but guaranteed */
771 /* by older ones */ 812 /* by older ones */
813 EV_TV_SET (tv, delay);
772 select (0, 0, 0, 0, &tv); 814 select (0, 0, 0, 0, &tv);
773#endif 815#endif
774 } 816 }
775} 817}
776 818
777/*****************************************************************************/ 819/*****************************************************************************/
778 820
779#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ 821#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */
780 822
781/* find a suitable new size for the given array, */ 823/* find a suitable new size for the given array, */
782/* hopefully by rounding to a ncie-to-malloc size */ 824/* hopefully by rounding to a nice-to-malloc size */
783inline_size int 825inline_size int
784array_nextsize (int elem, int cur, int cnt) 826array_nextsize (int elem, int cur, int cnt)
785{ 827{
786 int ncur = cur + 1; 828 int ncur = cur + 1;
787 829
… …
928 { 970 {
929 int fd = fdchanges [i]; 971 int fd = fdchanges [i];
930 ANFD *anfd = anfds + fd; 972 ANFD *anfd = anfds + fd;
931 ev_io *w; 973 ev_io *w;
932 974
933 unsigned char events = 0; 975 unsigned char o_events = anfd->events;
976 unsigned char o_reify = anfd->reify;
934 977
935 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) 978 anfd->reify = 0;
936 events |= (unsigned char)w->events;
937 979
938#if EV_SELECT_IS_WINSOCKET 980#if EV_SELECT_IS_WINSOCKET
939 if (events) 981 if (o_reify & EV__IOFDSET)
940 { 982 {
941 unsigned long arg; 983 unsigned long arg;
942 anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); 984 anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);
943 assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); 985 assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0));
944 } 986 }
945#endif 987#endif
946 988
989 /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */
947 { 990 {
948 unsigned char o_events = anfd->events;
949 unsigned char o_reify = anfd->reify;
950
951 anfd->reify = 0;
952 anfd->events = events; 991 anfd->events = 0;
953 992
954 if (o_events != events || o_reify & EV__IOFDSET) 993 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
994 anfd->events |= (unsigned char)w->events;
995
996 if (o_events != anfd->events)
997 o_reify = EV__IOFDSET; /* actually |= */
998 }
999
1000 if (o_reify & EV__IOFDSET)
955 backend_modify (EV_A_ fd, o_events, events); 1001 backend_modify (EV_A_ fd, o_events, anfd->events);
956 }
957 } 1002 }
958 1003
959 fdchangecnt = 0; 1004 fdchangecnt = 0;
960} 1005}
961 1006
… …
1054} 1099}
1055 1100
1056/*****************************************************************************/ 1101/*****************************************************************************/
1057 1102
1058/* 1103/*
1059 * the heap functions want a real array index. array index 0 uis guaranteed to not 1104 * the heap functions want a real array index. array index 0 is guaranteed to not
1060 * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives 1105 * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives
1061 * the branching factor of the d-tree. 1106 * the branching factor of the d-tree.
1062 */ 1107 */
1063 1108
1064/* 1109/*
… …
1264 uint64_t counter = 1; 1309 uint64_t counter = 1;
1265 write (evfd, &counter, sizeof (uint64_t)); 1310 write (evfd, &counter, sizeof (uint64_t));
1266 } 1311 }
1267 else 1312 else
1268#endif 1313#endif
1314 /* win32 people keep sending patches that change this write() to send() */
1315 /* and then run away. but send() is wrong, it wants a socket handle on win32 */
1316 /* so when you think this write should be a send instead, please find out */
1317 /* where your send() is from - it's definitely not the microsoft send, and */
1318 /* tell me. thank you. */
1269 write (evpipe [1], &dummy, 1); 1319 write (evpipe [1], &dummy, 1);
1270 1320
1271 errno = old_errno; 1321 errno = old_errno;
1272 } 1322 }
1273} 1323}
… …
1287 } 1337 }
1288 else 1338 else
1289#endif 1339#endif
1290 { 1340 {
1291 char dummy; 1341 char dummy;
1342 /* see discussion in evpipe_write when you think this read should be recv in win32 */
1292 read (evpipe [0], &dummy, 1); 1343 read (evpipe [0], &dummy, 1);
1293 } 1344 }
1294 1345
1295 if (sig_pending) 1346 if (sig_pending)
1296 { 1347 {
… …
1520ev_embeddable_backends (void) 1571ev_embeddable_backends (void)
1521{ 1572{
1522 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; 1573 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
1523 1574
1524 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ 1575 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */
1525 /* please fix it and tell me how to detect the fix */ 1576 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
1526 flags &= ~EVBACKEND_EPOLL; 1577 flags &= ~EVBACKEND_EPOLL;
1527 1578
1528 return flags; 1579 return flags;
1529} 1580}
1530 1581
1531unsigned int 1582unsigned int
… …
2162 feed_reverse_done (EV_A_ EV_PERIODIC); 2213 feed_reverse_done (EV_A_ EV_PERIODIC);
2163 } 2214 }
2164} 2215}
2165 2216
2166/* simply recalculate all periodics */ 2217/* simply recalculate all periodics */
2167/* TODO: maybe ensure that at leats one event happens when jumping forward? */ 2218/* TODO: maybe ensure that at least one event happens when jumping forward? */
2168static void noinline 2219static void noinline
2169periodics_reschedule (EV_P) 2220periodics_reschedule (EV_P)
2170{ 2221{
2171 int i; 2222 int i;
2172 2223
… …
2268 mn_now = ev_rt_now; 2319 mn_now = ev_rt_now;
2269 } 2320 }
2270} 2321}
2271 2322
2272void 2323void
2273ev_loop (EV_P_ int flags) 2324ev_run (EV_P_ int flags)
2274{ 2325{
2275#if EV_FEATURE_API 2326#if EV_FEATURE_API
2276 ++loop_depth; 2327 ++loop_depth;
2277#endif 2328#endif
2278 2329
2279 assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE)); 2330 assert (("libev: ev_loop recursion during release detected", loop_done != EVBREAK_RECURSE));
2280 2331
2281 loop_done = EVUNLOOP_CANCEL; 2332 loop_done = EVBREAK_CANCEL;
2282 2333
2283 EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ 2334 EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */
2284 2335
2285 do 2336 do
2286 { 2337 {
… …
2329 /* calculate blocking time */ 2380 /* calculate blocking time */
2330 { 2381 {
2331 ev_tstamp waittime = 0.; 2382 ev_tstamp waittime = 0.;
2332 ev_tstamp sleeptime = 0.; 2383 ev_tstamp sleeptime = 0.;
2333 2384
2385 /* remember old timestamp for io_blocktime calculation */
2386 ev_tstamp prev_mn_now = mn_now;
2387
2388 /* update time to cancel out callback processing overhead */
2389 time_update (EV_A_ 1e100);
2390
2334 if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) 2391 if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt)))
2335 { 2392 {
2336 /* remember old timestamp for io_blocktime calculation */
2337 ev_tstamp prev_mn_now = mn_now;
2338
2339 /* update time to cancel out callback processing overhead */
2340 time_update (EV_A_ 1e100);
2341
2342 waittime = MAX_BLOCKTIME; 2393 waittime = MAX_BLOCKTIME;
2343 2394
2344 if (timercnt) 2395 if (timercnt)
2345 { 2396 {
2346 ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; 2397 ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge;
… …
2376 } 2427 }
2377 2428
2378#if EV_FEATURE_API 2429#if EV_FEATURE_API
2379 ++loop_count; 2430 ++loop_count;
2380#endif 2431#endif
2381 assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ 2432 assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2382 backend_poll (EV_A_ waittime); 2433 backend_poll (EV_A_ waittime);
2383 assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ 2434 assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2384 2435
2385 /* update ev_rt_now, do magic */ 2436 /* update ev_rt_now, do magic */
2386 time_update (EV_A_ waittime + sleeptime); 2437 time_update (EV_A_ waittime + sleeptime);
2387 } 2438 }
2388 2439
… …
2406 EV_INVOKE_PENDING; 2457 EV_INVOKE_PENDING;
2407 } 2458 }
2408 while (expect_true ( 2459 while (expect_true (
2409 activecnt 2460 activecnt
2410 && !loop_done 2461 && !loop_done
2411 && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) 2462 && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT))
2412 )); 2463 ));
2413 2464
2414 if (loop_done == EVUNLOOP_ONE) 2465 if (loop_done == EVBREAK_ONE)
2415 loop_done = EVUNLOOP_CANCEL; 2466 loop_done = EVBREAK_CANCEL;
2416 2467
2417#if EV_FEATURE_API 2468#if EV_FEATURE_API
2418 --loop_depth; 2469 --loop_depth;
2419#endif 2470#endif
2420} 2471}
2421 2472
2422void 2473void
2423ev_unloop (EV_P_ int how) 2474ev_break (EV_P_ int how)
2424{ 2475{
2425 loop_done = how; 2476 loop_done = how;
2426} 2477}
2427 2478
2428void 2479void
… …
2576 EV_FREQUENT_CHECK; 2627 EV_FREQUENT_CHECK;
2577 2628
2578 wlist_del (&anfds[w->fd].head, (WL)w); 2629 wlist_del (&anfds[w->fd].head, (WL)w);
2579 ev_stop (EV_A_ (W)w); 2630 ev_stop (EV_A_ (W)w);
2580 2631
2581 fd_change (EV_A_ w->fd, 1); 2632 fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
2582 2633
2583 EV_FREQUENT_CHECK; 2634 EV_FREQUENT_CHECK;
2584} 2635}
2585 2636
2586void noinline 2637void noinline
… …
3038 { 3089 {
3039 struct inotify_event *ev = (struct inotify_event *)(buf + ofs); 3090 struct inotify_event *ev = (struct inotify_event *)(buf + ofs);
3040 infy_wd (EV_A_ ev->wd, ev->wd, ev); 3091 infy_wd (EV_A_ ev->wd, ev->wd, ev);
3041 ofs += sizeof (struct inotify_event) + ev->len; 3092 ofs += sizeof (struct inotify_event) + ev->len;
3042 } 3093 }
3043}
3044
3045inline_size unsigned int
3046ev_linux_version (void)
3047{
3048 struct utsname buf;
3049 unsigned int v;
3050 int i;
3051 char *p = buf.release;
3052
3053 if (uname (&buf))
3054 return 0;
3055
3056 for (i = 3+1; --i; )
3057 {
3058 unsigned int c = 0;
3059
3060 for (;;)
3061 {
3062 if (*p >= '0' && *p <= '9')
3063 c = c * 10 + *p++ - '0';
3064 else
3065 {
3066 p += *p == '.';
3067 break;
3068 }
3069 }
3070
3071 v = (v << 8) | c;
3072 }
3073
3074 return v;
3075} 3094}
3076 3095
3077inline_size void 3096inline_size void
3078ev_check_2625 (EV_P) 3097ev_check_2625 (EV_P)
3079{ 3098{
… …
3403 3422
3404#if EV_EMBED_ENABLE 3423#if EV_EMBED_ENABLE
3405void noinline 3424void noinline
3406ev_embed_sweep (EV_P_ ev_embed *w) 3425ev_embed_sweep (EV_P_ ev_embed *w)
3407{ 3426{
3408 ev_loop (w->other, EVLOOP_NONBLOCK); 3427 ev_run (w->other, EVRUN_NOWAIT);
3409} 3428}
3410 3429
3411static void 3430static void
3412embed_io_cb (EV_P_ ev_io *io, int revents) 3431embed_io_cb (EV_P_ ev_io *io, int revents)
3413{ 3432{
3414 ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); 3433 ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io));
3415 3434
3416 if (ev_cb (w)) 3435 if (ev_cb (w))
3417 ev_feed_event (EV_A_ (W)w, EV_EMBED); 3436 ev_feed_event (EV_A_ (W)w, EV_EMBED);
3418 else 3437 else
3419 ev_loop (w->other, EVLOOP_NONBLOCK); 3438 ev_run (w->other, EVRUN_NOWAIT);
3420} 3439}
3421 3440
3422static void 3441static void
3423embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) 3442embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)
3424{ 3443{
… …
3428 EV_P = w->other; 3447 EV_P = w->other;
3429 3448
3430 while (fdchangecnt) 3449 while (fdchangecnt)
3431 { 3450 {
3432 fd_reify (EV_A); 3451 fd_reify (EV_A);
3433 ev_loop (EV_A_ EVLOOP_NONBLOCK); 3452 ev_run (EV_A_ EVRUN_NOWAIT);
3434 } 3453 }
3435 } 3454 }
3436} 3455}
3437 3456
3438static void 3457static void
… …
3444 3463
3445 { 3464 {
3446 EV_P = w->other; 3465 EV_P = w->other;
3447 3466
3448 ev_loop_fork (EV_A); 3467 ev_loop_fork (EV_A);
3449 ev_loop (EV_A_ EVLOOP_NONBLOCK); 3468 ev_run (EV_A_ EVRUN_NOWAIT);
3450 } 3469 }
3451 3470
3452 ev_embed_start (EV_A_ w); 3471 ev_embed_start (EV_A_ w);
3453} 3472}
3454 3473
… …
3552void 3571void
3553ev_async_start (EV_P_ ev_async *w) 3572ev_async_start (EV_P_ ev_async *w)
3554{ 3573{
3555 if (expect_false (ev_is_active (w))) 3574 if (expect_false (ev_is_active (w)))
3556 return; 3575 return;
3576
3577 w->sent = 0;
3557 3578
3558 evpipe_init (EV_A); 3579 evpipe_init (EV_A);
3559 3580
3560 EV_FREQUENT_CHECK; 3581 EV_FREQUENT_CHECK;
3561 3582
… …
3781 3802
3782#if EV_MULTIPLICITY 3803#if EV_MULTIPLICITY
3783 #include "ev_wrap.h" 3804 #include "ev_wrap.h"
3784#endif 3805#endif
3785 3806
3786#ifdef __cplusplus 3807EV_CPP(})
3787}
3788#endif
3789 3808

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