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Comparing libev/ev.c (file contents):
Revision 1.339 by root, Tue Mar 16 00:43:22 2010 UTC vs.
Revision 1.355 by root, Fri Oct 22 10:09:12 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)
… …
394# define EFD_CLOEXEC O_CLOEXEC 409# define EFD_CLOEXEC O_CLOEXEC
395# else 410# else
396# define EFD_CLOEXEC 02000000 411# define EFD_CLOEXEC 02000000
397# endif 412# endif
398# endif 413# endif
399# ifdef __cplusplus
400extern "C" {
401# endif
402int (eventfd) (unsigned int initval, int flags); 414EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags);
403# ifdef __cplusplus
404}
405# endif
406#endif 415#endif
407 416
408#if EV_USE_SIGNALFD 417#if EV_USE_SIGNALFD
409/* our minimum requirement is glibc 2.7 which has the stub, but not the header */ 418/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
410# include <stdint.h> 419# include <stdint.h>
… …
416# define SFD_CLOEXEC O_CLOEXEC 425# define SFD_CLOEXEC O_CLOEXEC
417# else 426# else
418# define SFD_CLOEXEC 02000000 427# define SFD_CLOEXEC 02000000
419# endif 428# endif
420# endif 429# endif
421# ifdef __cplusplus
422extern "C" {
423# endif
424int signalfd (int fd, const sigset_t *mask, int flags); 430EV_CPP (extern "C") int signalfd (int fd, const sigset_t *mask, int flags);
425 431
426struct signalfd_siginfo 432struct signalfd_siginfo
427{ 433{
428 uint32_t ssi_signo; 434 uint32_t ssi_signo;
429 char pad[128 - sizeof (uint32_t)]; 435 char pad[128 - sizeof (uint32_t)];
430}; 436};
431# ifdef __cplusplus
432}
433# endif 437#endif
434#endif
435
436 438
437/**/ 439/**/
438 440
439#if EV_VERIFY >= 3 441#if EV_VERIFY >= 3
440# define EV_FREQUENT_CHECK ev_loop_verify (EV_A) 442# define EV_FREQUENT_CHECK ev_verify (EV_A)
441#else 443#else
442# define EV_FREQUENT_CHECK do { } while (0) 444# define EV_FREQUENT_CHECK do { } while (0)
443#endif 445#endif
444 446
445/* 447/*
… …
453#define TIME_EPSILON 0.0001220703125 /* 1/8192 */ 455#define TIME_EPSILON 0.0001220703125 /* 1/8192 */
454 456
455#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ 457#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) */ 458#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
457 459
460#define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0)
461#define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0)
462
458#if __GNUC__ >= 4 463#if __GNUC__ >= 4
459# define expect(expr,value) __builtin_expect ((expr),(value)) 464# define expect(expr,value) __builtin_expect ((expr),(value))
460# define noinline __attribute__ ((noinline)) 465# define noinline __attribute__ ((noinline))
461#else 466#else
462# define expect(expr,value) (expr) 467# define expect(expr,value) (expr)
… …
494#define ev_active(w) ((W)(w))->active 499#define ev_active(w) ((W)(w))->active
495#define ev_at(w) ((WT)(w))->at 500#define ev_at(w) ((WT)(w))->at
496 501
497#if EV_USE_REALTIME 502#if EV_USE_REALTIME
498/* sig_atomic_t is used to avoid per-thread variables or locking but still */ 503/* 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 */ 504/* giving it a reasonably high chance of working on typical architectures */
500static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ 505static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */
501#endif 506#endif
502 507
503#if EV_USE_MONOTONIC 508#if EV_USE_MONOTONIC
504static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ 509static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
… …
515#endif 520#endif
516 521
517#ifdef _WIN32 522#ifdef _WIN32
518# include "ev_win32.c" 523# include "ev_win32.c"
519#endif 524#endif
525
526/*****************************************************************************/
527
528static unsigned int noinline
529ev_linux_version (void)
530{
531#ifdef __linux
532 struct utsname buf;
533 unsigned int v;
534 int i;
535 char *p = buf.release;
536
537 if (uname (&buf))
538 return 0;
539
540 for (i = 3+1; --i; )
541 {
542 unsigned int c = 0;
543
544 for (;;)
545 {
546 if (*p >= '0' && *p <= '9')
547 c = c * 10 + *p++ - '0';
548 else
549 {
550 p += *p == '.';
551 break;
552 }
553 }
554
555 v = (v << 8) | c;
556 }
557
558 return v;
559#else
560 return 0;
561#endif
562}
520 563
521/*****************************************************************************/ 564/*****************************************************************************/
522 565
523#if EV_AVOID_STDIO 566#if EV_AVOID_STDIO
524static void noinline 567static void noinline
… …
698# define EV_RELEASE_CB (void)0 741# define EV_RELEASE_CB (void)0
699# define EV_ACQUIRE_CB (void)0 742# define EV_ACQUIRE_CB (void)0
700# define EV_INVOKE_PENDING ev_invoke_pending (EV_A) 743# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)
701#endif 744#endif
702 745
703#define EVUNLOOP_RECURSE 0x80 746#define EVBREAK_RECURSE 0x80
704 747
705/*****************************************************************************/ 748/*****************************************************************************/
706 749
707#ifndef EV_HAVE_EV_TIME 750#ifndef EV_HAVE_EV_TIME
708ev_tstamp 751ev_tstamp
… …
752 if (delay > 0.) 795 if (delay > 0.)
753 { 796 {
754#if EV_USE_NANOSLEEP 797#if EV_USE_NANOSLEEP
755 struct timespec ts; 798 struct timespec ts;
756 799
757 ts.tv_sec = (time_t)delay; 800 EV_TS_SET (ts, delay);
758 ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9);
759
760 nanosleep (&ts, 0); 801 nanosleep (&ts, 0);
761#elif defined(_WIN32) 802#elif defined(_WIN32)
762 Sleep ((unsigned long)(delay * 1e3)); 803 Sleep ((unsigned long)(delay * 1e3));
763#else 804#else
764 struct timeval tv; 805 struct timeval tv;
765 806
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 */ 807 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
770 /* something not guaranteed by newer posix versions, but guaranteed */ 808 /* something not guaranteed by newer posix versions, but guaranteed */
771 /* by older ones */ 809 /* by older ones */
810 EV_TV_SET (tv, delay);
772 select (0, 0, 0, 0, &tv); 811 select (0, 0, 0, 0, &tv);
773#endif 812#endif
774 } 813 }
775} 814}
776 815
777/*****************************************************************************/ 816/*****************************************************************************/
778 817
779#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ 818#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */
780 819
781/* find a suitable new size for the given array, */ 820/* find a suitable new size for the given array, */
782/* hopefully by rounding to a ncie-to-malloc size */ 821/* hopefully by rounding to a nice-to-malloc size */
783inline_size int 822inline_size int
784array_nextsize (int elem, int cur, int cnt) 823array_nextsize (int elem, int cur, int cnt)
785{ 824{
786 int ncur = cur + 1; 825 int ncur = cur + 1;
787 826
… …
928 { 967 {
929 int fd = fdchanges [i]; 968 int fd = fdchanges [i];
930 ANFD *anfd = anfds + fd; 969 ANFD *anfd = anfds + fd;
931 ev_io *w; 970 ev_io *w;
932 971
933 unsigned char events = 0; 972 unsigned char o_events = anfd->events;
973 unsigned char o_reify = anfd->reify;
934 974
935 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) 975 anfd->reify = 0;
936 events |= (unsigned char)w->events;
937 976
938#if EV_SELECT_IS_WINSOCKET 977#if EV_SELECT_IS_WINSOCKET
939 if (events) 978 if (o_reify & EV__IOFDSET)
940 { 979 {
941 unsigned long arg; 980 unsigned long arg;
942 anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); 981 anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);
943 assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); 982 assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0));
944 } 983 }
945#endif 984#endif
946 985
986 /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */
947 { 987 {
948 unsigned char o_events = anfd->events;
949 unsigned char o_reify = anfd->reify;
950
951 anfd->reify = 0;
952 anfd->events = events; 988 anfd->events = 0;
953 989
954 if (o_events != events || o_reify & EV__IOFDSET) 990 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
991 anfd->events |= (unsigned char)w->events;
992
993 if (o_events != anfd->events)
994 o_reify = EV__IOFDSET; /* actually |= */
995 }
996
997 if (o_reify & EV__IOFDSET)
955 backend_modify (EV_A_ fd, o_events, events); 998 backend_modify (EV_A_ fd, o_events, anfd->events);
956 }
957 } 999 }
958 1000
959 fdchangecnt = 0; 1001 fdchangecnt = 0;
960} 1002}
961 1003
… …
1054} 1096}
1055 1097
1056/*****************************************************************************/ 1098/*****************************************************************************/
1057 1099
1058/* 1100/*
1059 * the heap functions want a real array index. array index 0 uis guaranteed to not 1101 * 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 1102 * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives
1061 * the branching factor of the d-tree. 1103 * the branching factor of the d-tree.
1062 */ 1104 */
1063 1105
1064/* 1106/*
… …
1264 uint64_t counter = 1; 1306 uint64_t counter = 1;
1265 write (evfd, &counter, sizeof (uint64_t)); 1307 write (evfd, &counter, sizeof (uint64_t));
1266 } 1308 }
1267 else 1309 else
1268#endif 1310#endif
1311 /* win32 people keep sending patches that change this write() to send() */
1312 /* and then run away. but send() is wrong, it wants a socket handle on win32 */
1313 /* so when you think this write should be a send instead, please find out */
1314 /* where your send() is from - it's definitely not the microsoft send, and */
1315 /* tell me. thank you. */
1269 write (evpipe [1], &dummy, 1); 1316 write (evpipe [1], &dummy, 1);
1270 1317
1271 errno = old_errno; 1318 errno = old_errno;
1272 } 1319 }
1273} 1320}
… …
1287 } 1334 }
1288 else 1335 else
1289#endif 1336#endif
1290 { 1337 {
1291 char dummy; 1338 char dummy;
1339 /* see discussion in evpipe_write when you think this read should be recv in win32 */
1292 read (evpipe [0], &dummy, 1); 1340 read (evpipe [0], &dummy, 1);
1293 } 1341 }
1294 1342
1295 if (sig_pending) 1343 if (sig_pending)
1296 { 1344 {
… …
1507#ifdef __APPLE__ 1555#ifdef __APPLE__
1508 /* only select works correctly on that "unix-certified" platform */ 1556 /* only select works correctly on that "unix-certified" platform */
1509 flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ 1557 flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */
1510 flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ 1558 flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */
1511#endif 1559#endif
1560#ifdef __FreeBSD__
1561 flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */
1562#endif
1512 1563
1513 return flags; 1564 return flags;
1514} 1565}
1515 1566
1516unsigned int 1567unsigned int
1517ev_embeddable_backends (void) 1568ev_embeddable_backends (void)
1518{ 1569{
1519 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; 1570 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
1520 1571
1521 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ 1572 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */
1522 /* please fix it and tell me how to detect the fix */ 1573 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
1523 flags &= ~EVBACKEND_EPOLL; 1574 flags &= ~EVBACKEND_EPOLL;
1524 1575
1525 return flags; 1576 return flags;
1526} 1577}
1527 1578
1528unsigned int 1579unsigned int
… …
1531 return backend; 1582 return backend;
1532} 1583}
1533 1584
1534#if EV_FEATURE_API 1585#if EV_FEATURE_API
1535unsigned int 1586unsigned int
1536ev_loop_count (EV_P) 1587ev_iteration (EV_P)
1537{ 1588{
1538 return loop_count; 1589 return loop_count;
1539} 1590}
1540 1591
1541unsigned int 1592unsigned int
1542ev_loop_depth (EV_P) 1593ev_depth (EV_P)
1543{ 1594{
1544 return loop_depth; 1595 return loop_depth;
1545} 1596}
1546 1597
1547void 1598void
… …
1868} 1919}
1869#endif 1920#endif
1870 1921
1871#if EV_FEATURE_API 1922#if EV_FEATURE_API
1872void 1923void
1873ev_loop_verify (EV_P) 1924ev_verify (EV_P)
1874{ 1925{
1875#if EV_VERIFY 1926#if EV_VERIFY
1876 int i; 1927 int i;
1877 WL w; 1928 WL w;
1878 1929
… …
2096 EV_FREQUENT_CHECK; 2147 EV_FREQUENT_CHECK;
2097 feed_reverse (EV_A_ (W)w); 2148 feed_reverse (EV_A_ (W)w);
2098 } 2149 }
2099 while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); 2150 while (timercnt && ANHE_at (timers [HEAP0]) < mn_now);
2100 2151
2101 feed_reverse_done (EV_A_ EV_TIMEOUT); 2152 feed_reverse_done (EV_A_ EV_TIMER);
2102 } 2153 }
2103} 2154}
2104 2155
2105#if EV_PERIODIC_ENABLE 2156#if EV_PERIODIC_ENABLE
2106/* make periodics pending */ 2157/* make periodics pending */
… …
2159 feed_reverse_done (EV_A_ EV_PERIODIC); 2210 feed_reverse_done (EV_A_ EV_PERIODIC);
2160 } 2211 }
2161} 2212}
2162 2213
2163/* simply recalculate all periodics */ 2214/* simply recalculate all periodics */
2164/* TODO: maybe ensure that at leats one event happens when jumping forward? */ 2215/* TODO: maybe ensure that at least one event happens when jumping forward? */
2165static void noinline 2216static void noinline
2166periodics_reschedule (EV_P) 2217periodics_reschedule (EV_P)
2167{ 2218{
2168 int i; 2219 int i;
2169 2220
… …
2265 mn_now = ev_rt_now; 2316 mn_now = ev_rt_now;
2266 } 2317 }
2267} 2318}
2268 2319
2269void 2320void
2270ev_loop (EV_P_ int flags) 2321ev_run (EV_P_ int flags)
2271{ 2322{
2272#if EV_FEATURE_API 2323#if EV_FEATURE_API
2273 ++loop_depth; 2324 ++loop_depth;
2274#endif 2325#endif
2275 2326
2276 assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE)); 2327 assert (("libev: ev_loop recursion during release detected", loop_done != EVBREAK_RECURSE));
2277 2328
2278 loop_done = EVUNLOOP_CANCEL; 2329 loop_done = EVBREAK_CANCEL;
2279 2330
2280 EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ 2331 EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */
2281 2332
2282 do 2333 do
2283 { 2334 {
2284#if EV_VERIFY >= 2 2335#if EV_VERIFY >= 2
2285 ev_loop_verify (EV_A); 2336 ev_verify (EV_A);
2286#endif 2337#endif
2287 2338
2288#ifndef _WIN32 2339#ifndef _WIN32
2289 if (expect_false (curpid)) /* penalise the forking check even more */ 2340 if (expect_false (curpid)) /* penalise the forking check even more */
2290 if (expect_false (getpid () != curpid)) 2341 if (expect_false (getpid () != curpid))
… …
2326 /* calculate blocking time */ 2377 /* calculate blocking time */
2327 { 2378 {
2328 ev_tstamp waittime = 0.; 2379 ev_tstamp waittime = 0.;
2329 ev_tstamp sleeptime = 0.; 2380 ev_tstamp sleeptime = 0.;
2330 2381
2382 /* remember old timestamp for io_blocktime calculation */
2383 ev_tstamp prev_mn_now = mn_now;
2384
2385 /* update time to cancel out callback processing overhead */
2386 time_update (EV_A_ 1e100);
2387
2331 if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) 2388 if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt)))
2332 { 2389 {
2333 /* remember old timestamp for io_blocktime calculation */
2334 ev_tstamp prev_mn_now = mn_now;
2335
2336 /* update time to cancel out callback processing overhead */
2337 time_update (EV_A_ 1e100);
2338
2339 waittime = MAX_BLOCKTIME; 2390 waittime = MAX_BLOCKTIME;
2340 2391
2341 if (timercnt) 2392 if (timercnt)
2342 { 2393 {
2343 ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; 2394 ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge;
… …
2373 } 2424 }
2374 2425
2375#if EV_FEATURE_API 2426#if EV_FEATURE_API
2376 ++loop_count; 2427 ++loop_count;
2377#endif 2428#endif
2378 assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ 2429 assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2379 backend_poll (EV_A_ waittime); 2430 backend_poll (EV_A_ waittime);
2380 assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ 2431 assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2381 2432
2382 /* update ev_rt_now, do magic */ 2433 /* update ev_rt_now, do magic */
2383 time_update (EV_A_ waittime + sleeptime); 2434 time_update (EV_A_ waittime + sleeptime);
2384 } 2435 }
2385 2436
… …
2403 EV_INVOKE_PENDING; 2454 EV_INVOKE_PENDING;
2404 } 2455 }
2405 while (expect_true ( 2456 while (expect_true (
2406 activecnt 2457 activecnt
2407 && !loop_done 2458 && !loop_done
2408 && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) 2459 && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT))
2409 )); 2460 ));
2410 2461
2411 if (loop_done == EVUNLOOP_ONE) 2462 if (loop_done == EVBREAK_ONE)
2412 loop_done = EVUNLOOP_CANCEL; 2463 loop_done = EVBREAK_CANCEL;
2413 2464
2414#if EV_FEATURE_API 2465#if EV_FEATURE_API
2415 --loop_depth; 2466 --loop_depth;
2416#endif 2467#endif
2417} 2468}
2418 2469
2419void 2470void
2420ev_unloop (EV_P_ int how) 2471ev_break (EV_P_ int how)
2421{ 2472{
2422 loop_done = how; 2473 loop_done = how;
2423} 2474}
2424 2475
2425void 2476void
… …
2573 EV_FREQUENT_CHECK; 2624 EV_FREQUENT_CHECK;
2574 2625
2575 wlist_del (&anfds[w->fd].head, (WL)w); 2626 wlist_del (&anfds[w->fd].head, (WL)w);
2576 ev_stop (EV_A_ (W)w); 2627 ev_stop (EV_A_ (W)w);
2577 2628
2578 fd_change (EV_A_ w->fd, 1); 2629 fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
2579 2630
2580 EV_FREQUENT_CHECK; 2631 EV_FREQUENT_CHECK;
2581} 2632}
2582 2633
2583void noinline 2634void noinline
… …
3035 { 3086 {
3036 struct inotify_event *ev = (struct inotify_event *)(buf + ofs); 3087 struct inotify_event *ev = (struct inotify_event *)(buf + ofs);
3037 infy_wd (EV_A_ ev->wd, ev->wd, ev); 3088 infy_wd (EV_A_ ev->wd, ev->wd, ev);
3038 ofs += sizeof (struct inotify_event) + ev->len; 3089 ofs += sizeof (struct inotify_event) + ev->len;
3039 } 3090 }
3040}
3041
3042inline_size unsigned int
3043ev_linux_version (void)
3044{
3045 struct utsname buf;
3046 unsigned int v;
3047 int i;
3048 char *p = buf.release;
3049
3050 if (uname (&buf))
3051 return 0;
3052
3053 for (i = 3+1; --i; )
3054 {
3055 unsigned int c = 0;
3056
3057 for (;;)
3058 {
3059 if (*p >= '0' && *p <= '9')
3060 c = c * 10 + *p++ - '0';
3061 else
3062 {
3063 p += *p == '.';
3064 break;
3065 }
3066 }
3067
3068 v = (v << 8) | c;
3069 }
3070
3071 return v;
3072} 3091}
3073 3092
3074inline_size void 3093inline_size void
3075ev_check_2625 (EV_P) 3094ev_check_2625 (EV_P)
3076{ 3095{
… …
3400 3419
3401#if EV_EMBED_ENABLE 3420#if EV_EMBED_ENABLE
3402void noinline 3421void noinline
3403ev_embed_sweep (EV_P_ ev_embed *w) 3422ev_embed_sweep (EV_P_ ev_embed *w)
3404{ 3423{
3405 ev_loop (w->other, EVLOOP_NONBLOCK); 3424 ev_run (w->other, EVRUN_NOWAIT);
3406} 3425}
3407 3426
3408static void 3427static void
3409embed_io_cb (EV_P_ ev_io *io, int revents) 3428embed_io_cb (EV_P_ ev_io *io, int revents)
3410{ 3429{
3411 ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); 3430 ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io));
3412 3431
3413 if (ev_cb (w)) 3432 if (ev_cb (w))
3414 ev_feed_event (EV_A_ (W)w, EV_EMBED); 3433 ev_feed_event (EV_A_ (W)w, EV_EMBED);
3415 else 3434 else
3416 ev_loop (w->other, EVLOOP_NONBLOCK); 3435 ev_run (w->other, EVRUN_NOWAIT);
3417} 3436}
3418 3437
3419static void 3438static void
3420embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) 3439embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)
3421{ 3440{
… …
3425 EV_P = w->other; 3444 EV_P = w->other;
3426 3445
3427 while (fdchangecnt) 3446 while (fdchangecnt)
3428 { 3447 {
3429 fd_reify (EV_A); 3448 fd_reify (EV_A);
3430 ev_loop (EV_A_ EVLOOP_NONBLOCK); 3449 ev_run (EV_A_ EVRUN_NOWAIT);
3431 } 3450 }
3432 } 3451 }
3433} 3452}
3434 3453
3435static void 3454static void
… …
3441 3460
3442 { 3461 {
3443 EV_P = w->other; 3462 EV_P = w->other;
3444 3463
3445 ev_loop_fork (EV_A); 3464 ev_loop_fork (EV_A);
3446 ev_loop (EV_A_ EVLOOP_NONBLOCK); 3465 ev_run (EV_A_ EVRUN_NOWAIT);
3447 } 3466 }
3448 3467
3449 ev_embed_start (EV_A_ w); 3468 ev_embed_start (EV_A_ w);
3450} 3469}
3451 3470
… …
3550ev_async_start (EV_P_ ev_async *w) 3569ev_async_start (EV_P_ ev_async *w)
3551{ 3570{
3552 if (expect_false (ev_is_active (w))) 3571 if (expect_false (ev_is_active (w)))
3553 return; 3572 return;
3554 3573
3574 w->sent = 0;
3575
3555 evpipe_init (EV_A); 3576 evpipe_init (EV_A);
3556 3577
3557 EV_FREQUENT_CHECK; 3578 EV_FREQUENT_CHECK;
3558 3579
3559 ev_start (EV_A_ (W)w, ++asynccnt); 3580 ev_start (EV_A_ (W)w, ++asynccnt);
… …
3636{ 3657{
3637 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); 3658 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
3638 3659
3639 if (expect_false (!once)) 3660 if (expect_false (!once))
3640 { 3661 {
3641 cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); 3662 cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg);
3642 return; 3663 return;
3643 } 3664 }
3644 3665
3645 once->cb = cb; 3666 once->cb = cb;
3646 once->arg = arg; 3667 once->arg = arg;
… …
3778 3799
3779#if EV_MULTIPLICITY 3800#if EV_MULTIPLICITY
3780 #include "ev_wrap.h" 3801 #include "ev_wrap.h"
3781#endif 3802#endif
3782 3803
3783#ifdef __cplusplus 3804EV_CPP(})
3784}
3785#endif
3786 3805

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