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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 1.346 by root, Thu Oct 14 05:07:04 2010 UTC

… …
77# ifndef EV_USE_REALTIME 77# ifndef EV_USE_REALTIME
78# define EV_USE_REALTIME 0 78# define EV_USE_REALTIME 0
79# endif 79# endif
80# endif 80# endif
81 81
82# if HAVE_NANOSLEEP
82# ifndef EV_USE_NANOSLEEP 83# ifndef EV_USE_NANOSLEEP
83# if HAVE_NANOSLEEP
84# define EV_USE_NANOSLEEP EV_FEATURE_OS 84# define EV_USE_NANOSLEEP EV_FEATURE_OS
85# endif
85# else 86# else
87# undef EV_USE_NANOSLEEP
86# define EV_USE_NANOSLEEP 0 88# define EV_USE_NANOSLEEP 0
89# endif
90
91# if HAVE_SELECT && HAVE_SYS_SELECT_H
92# ifndef EV_USE_SELECT
93# define EV_USE_SELECT EV_FEATURE_BACKENDS
87# endif 94# endif
95# else
96# undef EV_USE_SELECT
97# define EV_USE_SELECT 0
88# endif 98# endif
89 99
100# if HAVE_POLL && HAVE_POLL_H
90# ifndef EV_USE_SELECT 101# ifndef EV_USE_POLL
91# if HAVE_SELECT && HAVE_SYS_SELECT_H
92# define EV_USE_SELECT EV_FEATURE_BACKENDS 102# define EV_USE_POLL EV_FEATURE_BACKENDS
93# else
94# define EV_USE_SELECT 0
95# endif 103# 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 104# else
105# undef EV_USE_POLL
102# define EV_USE_POLL 0 106# define EV_USE_POLL 0
103# endif
104# endif 107# endif
105 108
106# ifndef EV_USE_EPOLL
107# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H 109# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H
110# ifndef EV_USE_EPOLL
108# define EV_USE_EPOLL EV_FEATURE_BACKENDS 111# define EV_USE_EPOLL EV_FEATURE_BACKENDS
109# else
110# define EV_USE_EPOLL 0
111# endif 112# endif
113# else
114# undef EV_USE_EPOLL
115# define EV_USE_EPOLL 0
112# endif 116# endif
113 117
114# ifndef EV_USE_KQUEUE
115# if HAVE_KQUEUE && HAVE_SYS_EVENT_H 118# if HAVE_KQUEUE && HAVE_SYS_EVENT_H
119# ifndef EV_USE_KQUEUE
116# define EV_USE_KQUEUE EV_FEATURE_BACKENDS 120# define EV_USE_KQUEUE EV_FEATURE_BACKENDS
117# else
118# define EV_USE_KQUEUE 0
119# endif 121# endif
122# else
123# undef EV_USE_KQUEUE
124# define EV_USE_KQUEUE 0
120# endif 125# endif
121 126
122# ifndef EV_USE_PORT
123# if HAVE_PORT_H && HAVE_PORT_CREATE 127# if HAVE_PORT_H && HAVE_PORT_CREATE
128# ifndef EV_USE_PORT
124# define EV_USE_PORT EV_FEATURE_BACKENDS 129# define EV_USE_PORT EV_FEATURE_BACKENDS
125# else
126# define EV_USE_PORT 0
127# endif 130# endif
131# else
132# undef EV_USE_PORT
133# define EV_USE_PORT 0
128# endif 134# endif
129 135
130# ifndef EV_USE_INOTIFY
131# if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H 136# if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H
137# ifndef EV_USE_INOTIFY
132# define EV_USE_INOTIFY EV_FEATURE_OS 138# define EV_USE_INOTIFY EV_FEATURE_OS
133# else
134# define EV_USE_INOTIFY 0
135# endif 139# endif
140# else
141# undef EV_USE_INOTIFY
142# define EV_USE_INOTIFY 0
136# endif 143# endif
137 144
138# ifndef EV_USE_SIGNALFD
139# if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H 145# if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H
146# ifndef EV_USE_SIGNALFD
140# define EV_USE_SIGNALFD EV_FEATURE_OS 147# define EV_USE_SIGNALFD EV_FEATURE_OS
141# else
142# define EV_USE_SIGNALFD 0
143# endif 148# endif
149# else
150# undef EV_USE_SIGNALFD
151# define EV_USE_SIGNALFD 0
144# endif 152# endif
145 153
154# if HAVE_EVENTFD
146# ifndef EV_USE_EVENTFD 155# ifndef EV_USE_EVENTFD
147# if HAVE_EVENTFD
148# define EV_USE_EVENTFD EV_FEATURE_OS 156# define EV_USE_EVENTFD EV_FEATURE_OS
149# else
150# define EV_USE_EVENTFD 0
151# endif 157# endif
158# else
159# undef EV_USE_EVENTFD
160# define EV_USE_EVENTFD 0
152# endif 161# endif
153 162
154#endif 163#endif
155 164
156#include <math.h> 165#include <math.h>
… …
186# ifndef EV_SELECT_IS_WINSOCKET 195# ifndef EV_SELECT_IS_WINSOCKET
187# define EV_SELECT_IS_WINSOCKET 1 196# define EV_SELECT_IS_WINSOCKET 1
188# endif 197# endif
189# undef EV_AVOID_STDIO 198# undef EV_AVOID_STDIO
190#endif 199#endif
200
201/* OS X, in its infinite idiocy, actually HARDCODES
202 * a limit of 1024 into their select. Where people have brains,
203 * OS X engineers apparently have a vacuum. Or maybe they were
204 * ordered to have a vacuum, or they do anything for money.
205 * This might help. Or not.
206 */
207#define _DARWIN_UNLIMITED_SELECT 1
191 208
192/* this block tries to deduce configuration from header-defined symbols and defaults */ 209/* this block tries to deduce configuration from header-defined symbols and defaults */
193 210
194/* try to deduce the maximum number of signals on this platform */ 211/* try to deduce the maximum number of signals on this platform */
195#if defined (EV_NSIG) 212#if defined (EV_NSIG)
… …
435 452
436 453
437/**/ 454/**/
438 455
439#if EV_VERIFY >= 3 456#if EV_VERIFY >= 3
440# define EV_FREQUENT_CHECK ev_loop_verify (EV_A) 457# define EV_FREQUENT_CHECK ev_verify (EV_A)
441#else 458#else
442# define EV_FREQUENT_CHECK do { } while (0) 459# define EV_FREQUENT_CHECK do { } while (0)
443#endif 460#endif
444 461
445/* 462/*
… …
494#define ev_active(w) ((W)(w))->active 511#define ev_active(w) ((W)(w))->active
495#define ev_at(w) ((WT)(w))->at 512#define ev_at(w) ((WT)(w))->at
496 513
497#if EV_USE_REALTIME 514#if EV_USE_REALTIME
498/* sig_atomic_t is used to avoid per-thread variables or locking but still */ 515/* 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 */ 516/* giving it a reasonably high chance of working on typical architectures */
500static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ 517static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */
501#endif 518#endif
502 519
503#if EV_USE_MONOTONIC 520#if EV_USE_MONOTONIC
504static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ 521static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
… …
777/*****************************************************************************/ 794/*****************************************************************************/
778 795
779#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ 796#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */
780 797
781/* find a suitable new size for the given array, */ 798/* find a suitable new size for the given array, */
782/* hopefully by rounding to a ncie-to-malloc size */ 799/* hopefully by rounding to a nice-to-malloc size */
783inline_size int 800inline_size int
784array_nextsize (int elem, int cur, int cnt) 801array_nextsize (int elem, int cur, int cnt)
785{ 802{
786 int ncur = cur + 1; 803 int ncur = cur + 1;
787 804
… …
1054} 1071}
1055 1072
1056/*****************************************************************************/ 1073/*****************************************************************************/
1057 1074
1058/* 1075/*
1059 * the heap functions want a real array index. array index 0 uis guaranteed to not 1076 * 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 1077 * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives
1061 * the branching factor of the d-tree. 1078 * the branching factor of the d-tree.
1062 */ 1079 */
1063 1080
1064/* 1081/*
… …
1264 uint64_t counter = 1; 1281 uint64_t counter = 1;
1265 write (evfd, &counter, sizeof (uint64_t)); 1282 write (evfd, &counter, sizeof (uint64_t));
1266 } 1283 }
1267 else 1284 else
1268#endif 1285#endif
1286 /* win32 people keep sending patches that change this write() to send() */
1287 /* and then run away. but send() is wrong, it wants a socket handle on win32 */
1288 /* so when you think this write should be a send instead, please find out */
1289 /* where your send() is from - it's definitely not the microsoft send, and */
1290 /* tell me. thank you. */
1269 write (evpipe [1], &dummy, 1); 1291 write (evpipe [1], &dummy, 1);
1270 1292
1271 errno = old_errno; 1293 errno = old_errno;
1272 } 1294 }
1273} 1295}
… …
1287 } 1309 }
1288 else 1310 else
1289#endif 1311#endif
1290 { 1312 {
1291 char dummy; 1313 char dummy;
1314 /* see discussion in evpipe_write when you think this read should be recv in win32 */
1292 read (evpipe [0], &dummy, 1); 1315 read (evpipe [0], &dummy, 1);
1293 } 1316 }
1294 1317
1295 if (sig_pending) 1318 if (sig_pending)
1296 { 1319 {
… …
1507#ifdef __APPLE__ 1530#ifdef __APPLE__
1508 /* only select works correctly on that "unix-certified" platform */ 1531 /* only select works correctly on that "unix-certified" platform */
1509 flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ 1532 flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */
1510 flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ 1533 flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */
1511#endif 1534#endif
1535#ifdef __FreeBSD__
1536 flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */
1537#endif
1512 1538
1513 return flags; 1539 return flags;
1514} 1540}
1515 1541
1516unsigned int 1542unsigned int
… …
1531 return backend; 1557 return backend;
1532} 1558}
1533 1559
1534#if EV_FEATURE_API 1560#if EV_FEATURE_API
1535unsigned int 1561unsigned int
1536ev_loop_count (EV_P) 1562ev_iteration (EV_P)
1537{ 1563{
1538 return loop_count; 1564 return loop_count;
1539} 1565}
1540 1566
1541unsigned int 1567unsigned int
1542ev_loop_depth (EV_P) 1568ev_depth (EV_P)
1543{ 1569{
1544 return loop_depth; 1570 return loop_depth;
1545} 1571}
1546 1572
1547void 1573void
… …
1868} 1894}
1869#endif 1895#endif
1870 1896
1871#if EV_FEATURE_API 1897#if EV_FEATURE_API
1872void 1898void
1873ev_loop_verify (EV_P) 1899ev_verify (EV_P)
1874{ 1900{
1875#if EV_VERIFY 1901#if EV_VERIFY
1876 int i; 1902 int i;
1877 WL w; 1903 WL w;
1878 1904
… …
2096 EV_FREQUENT_CHECK; 2122 EV_FREQUENT_CHECK;
2097 feed_reverse (EV_A_ (W)w); 2123 feed_reverse (EV_A_ (W)w);
2098 } 2124 }
2099 while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); 2125 while (timercnt && ANHE_at (timers [HEAP0]) < mn_now);
2100 2126
2101 feed_reverse_done (EV_A_ EV_TIMEOUT); 2127 feed_reverse_done (EV_A_ EV_TIMER);
2102 } 2128 }
2103} 2129}
2104 2130
2105#if EV_PERIODIC_ENABLE 2131#if EV_PERIODIC_ENABLE
2106/* make periodics pending */ 2132/* make periodics pending */
… …
2159 feed_reverse_done (EV_A_ EV_PERIODIC); 2185 feed_reverse_done (EV_A_ EV_PERIODIC);
2160 } 2186 }
2161} 2187}
2162 2188
2163/* simply recalculate all periodics */ 2189/* simply recalculate all periodics */
2164/* TODO: maybe ensure that at leats one event happens when jumping forward? */ 2190/* TODO: maybe ensure that at least one event happens when jumping forward? */
2165static void noinline 2191static void noinline
2166periodics_reschedule (EV_P) 2192periodics_reschedule (EV_P)
2167{ 2193{
2168 int i; 2194 int i;
2169 2195
… …
2280 EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ 2306 EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */
2281 2307
2282 do 2308 do
2283 { 2309 {
2284#if EV_VERIFY >= 2 2310#if EV_VERIFY >= 2
2285 ev_loop_verify (EV_A); 2311 ev_verify (EV_A);
2286#endif 2312#endif
2287 2313
2288#ifndef _WIN32 2314#ifndef _WIN32
2289 if (expect_false (curpid)) /* penalise the forking check even more */ 2315 if (expect_false (curpid)) /* penalise the forking check even more */
2290 if (expect_false (getpid () != curpid)) 2316 if (expect_false (getpid () != curpid))
… …
3636{ 3662{
3637 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); 3663 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
3638 3664
3639 if (expect_false (!once)) 3665 if (expect_false (!once))
3640 { 3666 {
3641 cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); 3667 cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg);
3642 return; 3668 return;
3643 } 3669 }
3644 3670
3645 once->cb = cb; 3671 once->cb = cb;
3646 once->arg = arg; 3672 once->arg = arg;

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