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Comparing libev/ev.c (file contents):
Revision 1.336 by root, Wed Mar 10 08:19:38 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 1 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 102# define EV_USE_POLL EV_FEATURE_BACKENDS
92# define EV_USE_SELECT 1
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 1
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
108# define EV_USE_EPOLL 1 110# ifndef EV_USE_EPOLL
109# else 111# define EV_USE_EPOLL EV_FEATURE_BACKENDS
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
116# define EV_USE_KQUEUE 1 119# ifndef EV_USE_KQUEUE
117# else 120# define EV_USE_KQUEUE EV_FEATURE_BACKENDS
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
124# define EV_USE_PORT 1 128# ifndef EV_USE_PORT
125# else 129# define EV_USE_PORT EV_FEATURE_BACKENDS
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
132# define EV_USE_INOTIFY 1 137# ifndef EV_USE_INOTIFY
133# else
134# define EV_USE_INOTIFY 0 138# define EV_USE_INOTIFY EV_FEATURE_OS
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
140# define EV_USE_SIGNALFD 1 146# ifndef EV_USE_SIGNALFD
141# else
142# define EV_USE_SIGNALFD 0 147# define EV_USE_SIGNALFD EV_FEATURE_OS
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 1 156# 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)
… …
219# define EV_NSIG 65 236# define EV_NSIG 65
220#endif 237#endif
221 238
222#ifndef EV_USE_CLOCK_SYSCALL 239#ifndef EV_USE_CLOCK_SYSCALL
223# if __linux && __GLIBC__ >= 2 240# if __linux && __GLIBC__ >= 2
224# define EV_USE_CLOCK_SYSCALL 1 241# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS
225# else 242# else
226# define EV_USE_CLOCK_SYSCALL 0 243# define EV_USE_CLOCK_SYSCALL 0
227# endif 244# endif
228#endif 245#endif
229 246
230#ifndef EV_USE_MONOTONIC 247#ifndef EV_USE_MONOTONIC
231# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 248# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0
232# define EV_USE_MONOTONIC 1 249# define EV_USE_MONOTONIC EV_FEATURE_OS
233# else 250# else
234# define EV_USE_MONOTONIC 0 251# define EV_USE_MONOTONIC 0
235# endif 252# endif
236#endif 253#endif
237 254
… …
239# define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL 256# define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL
240#endif 257#endif
241 258
242#ifndef EV_USE_NANOSLEEP 259#ifndef EV_USE_NANOSLEEP
243# if _POSIX_C_SOURCE >= 199309L 260# if _POSIX_C_SOURCE >= 199309L
244# define EV_USE_NANOSLEEP 1 261# define EV_USE_NANOSLEEP EV_FEATURE_OS
245# else 262# else
246# define EV_USE_NANOSLEEP 0 263# define EV_USE_NANOSLEEP 0
247# endif 264# endif
248#endif 265#endif
249 266
250#ifndef EV_USE_SELECT 267#ifndef EV_USE_SELECT
251# define EV_USE_SELECT 1 268# define EV_USE_SELECT EV_FEATURE_BACKENDS
252#endif 269#endif
253 270
254#ifndef EV_USE_POLL 271#ifndef EV_USE_POLL
255# ifdef _WIN32 272# ifdef _WIN32
256# define EV_USE_POLL 0 273# define EV_USE_POLL 0
257# else 274# else
258# define EV_USE_POLL 1 275# define EV_USE_POLL EV_FEATURE_BACKENDS
259# endif 276# endif
260#endif 277#endif
261 278
262#ifndef EV_USE_EPOLL 279#ifndef EV_USE_EPOLL
263# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) 280# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
264# define EV_USE_EPOLL 1 281# define EV_USE_EPOLL EV_FEATURE_BACKENDS
265# else 282# else
266# define EV_USE_EPOLL 0 283# define EV_USE_EPOLL 0
267# endif 284# endif
268#endif 285#endif
269 286
… …
275# define EV_USE_PORT 0 292# define EV_USE_PORT 0
276#endif 293#endif
277 294
278#ifndef EV_USE_INOTIFY 295#ifndef EV_USE_INOTIFY
279# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) 296# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
280# define EV_USE_INOTIFY 1 297# define EV_USE_INOTIFY EV_FEATURE_OS
281# else 298# else
282# define EV_USE_INOTIFY 0 299# define EV_USE_INOTIFY 0
283# endif 300# endif
284#endif 301#endif
285 302
286#ifndef EV_PID_HASHSIZE 303#ifndef EV_PID_HASHSIZE
287# if EV_MINIMAL 304# define EV_PID_HASHSIZE EV_FEATURE_DATA ? 16 : 1
288# define EV_PID_HASHSIZE 1
289# else
290# define EV_PID_HASHSIZE 16
291# endif
292#endif 305#endif
293 306
294#ifndef EV_INOTIFY_HASHSIZE 307#ifndef EV_INOTIFY_HASHSIZE
295# if EV_MINIMAL 308# define EV_INOTIFY_HASHSIZE EV_FEATURE_DATA ? 16 : 1
296# define EV_INOTIFY_HASHSIZE 1
297# else
298# define EV_INOTIFY_HASHSIZE 16
299# endif
300#endif 309#endif
301 310
302#ifndef EV_USE_EVENTFD 311#ifndef EV_USE_EVENTFD
303# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) 312# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
304# define EV_USE_EVENTFD 1 313# define EV_USE_EVENTFD EV_FEATURE_OS
305# else 314# else
306# define EV_USE_EVENTFD 0 315# define EV_USE_EVENTFD 0
307# endif 316# endif
308#endif 317#endif
309 318
310#ifndef EV_USE_SIGNALFD 319#ifndef EV_USE_SIGNALFD
311# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) 320# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
312# define EV_USE_SIGNALFD 1 321# define EV_USE_SIGNALFD EV_FEATURE_OS
313# else 322# else
314# define EV_USE_SIGNALFD 0 323# define EV_USE_SIGNALFD 0
315# endif 324# endif
316#endif 325#endif
317 326
… …
320# define EV_USE_4HEAP 1 329# define EV_USE_4HEAP 1
321# define EV_HEAP_CACHE_AT 1 330# define EV_HEAP_CACHE_AT 1
322#endif 331#endif
323 332
324#ifndef EV_VERIFY 333#ifndef EV_VERIFY
325# define EV_VERIFY !EV_MINIMAL 334# define EV_VERIFY (EV_FEATURE_API ? 1 : 0)
326#endif 335#endif
327 336
328#ifndef EV_USE_4HEAP 337#ifndef EV_USE_4HEAP
329# define EV_USE_4HEAP !EV_MINIMAL 338# define EV_USE_4HEAP EV_FEATURE_DATA
330#endif 339#endif
331 340
332#ifndef EV_HEAP_CACHE_AT 341#ifndef EV_HEAP_CACHE_AT
333# define EV_HEAP_CACHE_AT !EV_MINIMAL 342# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
334#endif 343#endif
335 344
336/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ 345/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */
337/* which makes programs even slower. might work on other unices, too. */ 346/* which makes programs even slower. might work on other unices, too. */
338#if EV_USE_CLOCK_SYSCALL 347#if EV_USE_CLOCK_SYSCALL
… …
443 452
444 453
445/**/ 454/**/
446 455
447#if EV_VERIFY >= 3 456#if EV_VERIFY >= 3
448# define EV_FREQUENT_CHECK ev_loop_verify (EV_A) 457# define EV_FREQUENT_CHECK ev_verify (EV_A)
449#else 458#else
450# define EV_FREQUENT_CHECK do { } while (0) 459# define EV_FREQUENT_CHECK do { } while (0)
451#endif 460#endif
452 461
453/* 462/*
… …
476 485
477#define expect_false(expr) expect ((expr) != 0, 0) 486#define expect_false(expr) expect ((expr) != 0, 0)
478#define expect_true(expr) expect ((expr) != 0, 1) 487#define expect_true(expr) expect ((expr) != 0, 1)
479#define inline_size static inline 488#define inline_size static inline
480 489
481#if EV_MINIMAL 490#if EV_FEATURE_CODE
491# define inline_speed static inline
492#else
482# define inline_speed static noinline 493# define inline_speed static noinline
483#else
484# define inline_speed static inline
485#endif 494#endif
486 495
487#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) 496#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
488 497
489#if EV_MINPRI == EV_MAXPRI 498#if EV_MINPRI == EV_MAXPRI
… …
502#define ev_active(w) ((W)(w))->active 511#define ev_active(w) ((W)(w))->active
503#define ev_at(w) ((WT)(w))->at 512#define ev_at(w) ((WT)(w))->at
504 513
505#if EV_USE_REALTIME 514#if EV_USE_REALTIME
506/* 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 */
507/* giving it a reasonably high chance of working on typical architetcures */ 516/* giving it a reasonably high chance of working on typical architectures */
508static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ 517static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */
509#endif 518#endif
510 519
511#if EV_USE_MONOTONIC 520#if EV_USE_MONOTONIC
512static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ 521static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
… …
696 705
697 static int ev_default_loop_ptr; 706 static int ev_default_loop_ptr;
698 707
699#endif 708#endif
700 709
701#if EV_MINIMAL < 2 710#if EV_FEATURE_API
702# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) 711# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A)
703# define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) 712# define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A)
704# define EV_INVOKE_PENDING invoke_cb (EV_A) 713# define EV_INVOKE_PENDING invoke_cb (EV_A)
705#else 714#else
706# define EV_RELEASE_CB (void)0 715# define EV_RELEASE_CB (void)0
… …
785/*****************************************************************************/ 794/*****************************************************************************/
786 795
787#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 */
788 797
789/* find a suitable new size for the given array, */ 798/* find a suitable new size for the given array, */
790/* hopefully by rounding to a ncie-to-malloc size */ 799/* hopefully by rounding to a nice-to-malloc size */
791inline_size int 800inline_size int
792array_nextsize (int elem, int cur, int cnt) 801array_nextsize (int elem, int cur, int cnt)
793{ 802{
794 int ncur = cur + 1; 803 int ncur = cur + 1;
795 804
… …
891} 900}
892 901
893/*****************************************************************************/ 902/*****************************************************************************/
894 903
895inline_speed void 904inline_speed void
896fd_event_nc (EV_P_ int fd, int revents) 905fd_event_nocheck (EV_P_ int fd, int revents)
897{ 906{
898 ANFD *anfd = anfds + fd; 907 ANFD *anfd = anfds + fd;
899 ev_io *w; 908 ev_io *w;
900 909
901 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) 910 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
… …
913fd_event (EV_P_ int fd, int revents) 922fd_event (EV_P_ int fd, int revents)
914{ 923{
915 ANFD *anfd = anfds + fd; 924 ANFD *anfd = anfds + fd;
916 925
917 if (expect_true (!anfd->reify)) 926 if (expect_true (!anfd->reify))
918 fd_event_nc (EV_A_ fd, revents); 927 fd_event_nocheck (EV_A_ fd, revents);
919} 928}
920 929
921void 930void
922ev_feed_fd_event (EV_P_ int fd, int revents) 931ev_feed_fd_event (EV_P_ int fd, int revents)
923{ 932{
924 if (fd >= 0 && fd < anfdmax) 933 if (fd >= 0 && fd < anfdmax)
925 fd_event_nc (EV_A_ fd, revents); 934 fd_event_nocheck (EV_A_ fd, revents);
926} 935}
927 936
928/* make sure the external fd watch events are in-sync */ 937/* make sure the external fd watch events are in-sync */
929/* with the kernel/libev internal state */ 938/* with the kernel/libev internal state */
930inline_size void 939inline_size void
… …
1062} 1071}
1063 1072
1064/*****************************************************************************/ 1073/*****************************************************************************/
1065 1074
1066/* 1075/*
1067 * 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
1068 * 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
1069 * the branching factor of the d-tree. 1078 * the branching factor of the d-tree.
1070 */ 1079 */
1071 1080
1072/* 1081/*
… …
1272 uint64_t counter = 1; 1281 uint64_t counter = 1;
1273 write (evfd, &counter, sizeof (uint64_t)); 1282 write (evfd, &counter, sizeof (uint64_t));
1274 } 1283 }
1275 else 1284 else
1276#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. */
1277 write (evpipe [1], &dummy, 1); 1291 write (evpipe [1], &dummy, 1);
1278 1292
1279 errno = old_errno; 1293 errno = old_errno;
1280 } 1294 }
1281} 1295}
… …
1295 } 1309 }
1296 else 1310 else
1297#endif 1311#endif
1298 { 1312 {
1299 char dummy; 1313 char dummy;
1314 /* see discussion in evpipe_write when you think this read should be recv in win32 */
1300 read (evpipe [0], &dummy, 1); 1315 read (evpipe [0], &dummy, 1);
1301 } 1316 }
1302 1317
1303 if (sig_pending) 1318 if (sig_pending)
1304 { 1319 {
… …
1403child_reap (EV_P_ int chain, int pid, int status) 1418child_reap (EV_P_ int chain, int pid, int status)
1404{ 1419{
1405 ev_child *w; 1420 ev_child *w;
1406 int traced = WIFSTOPPED (status) || WIFCONTINUED (status); 1421 int traced = WIFSTOPPED (status) || WIFCONTINUED (status);
1407 1422
1408 for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) 1423 for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next)
1409 { 1424 {
1410 if ((w->pid == pid || !w->pid) 1425 if ((w->pid == pid || !w->pid)
1411 && (!traced || (w->flags & 1))) 1426 && (!traced || (w->flags & 1)))
1412 { 1427 {
1413 ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ 1428 ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */
… …
1438 /* make sure we are called again until all children have been reaped */ 1453 /* make sure we are called again until all children have been reaped */
1439 /* we need to do it this way so that the callback gets called before we continue */ 1454 /* we need to do it this way so that the callback gets called before we continue */
1440 ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); 1455 ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
1441 1456
1442 child_reap (EV_A_ pid, pid, status); 1457 child_reap (EV_A_ pid, pid, status);
1443 if (EV_PID_HASHSIZE > 1) 1458 if ((EV_PID_HASHSIZE) > 1)
1444 child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ 1459 child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */
1445} 1460}
1446 1461
1447#endif 1462#endif
1448 1463
… …
1515#ifdef __APPLE__ 1530#ifdef __APPLE__
1516 /* only select works correctly on that "unix-certified" platform */ 1531 /* only select works correctly on that "unix-certified" platform */
1517 flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ 1532 flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */
1518 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 */
1519#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
1520 1538
1521 return flags; 1539 return flags;
1522} 1540}
1523 1541
1524unsigned int 1542unsigned int
… …
1537ev_backend (EV_P) 1555ev_backend (EV_P)
1538{ 1556{
1539 return backend; 1557 return backend;
1540} 1558}
1541 1559
1542#if EV_MINIMAL < 2 1560#if EV_FEATURE_API
1543unsigned int 1561unsigned int
1544ev_loop_count (EV_P) 1562ev_iteration (EV_P)
1545{ 1563{
1546 return loop_count; 1564 return loop_count;
1547} 1565}
1548 1566
1549unsigned int 1567unsigned int
1550ev_loop_depth (EV_P) 1568ev_depth (EV_P)
1551{ 1569{
1552 return loop_depth; 1570 return loop_depth;
1553} 1571}
1554 1572
1555void 1573void
… …
1627 1645
1628 ev_rt_now = ev_time (); 1646 ev_rt_now = ev_time ();
1629 mn_now = get_clock (); 1647 mn_now = get_clock ();
1630 now_floor = mn_now; 1648 now_floor = mn_now;
1631 rtmn_diff = ev_rt_now - mn_now; 1649 rtmn_diff = ev_rt_now - mn_now;
1632#if EV_MINIMAL < 2 1650#if EV_FEATURE_API
1633 invoke_cb = ev_invoke_pending; 1651 invoke_cb = ev_invoke_pending;
1634#endif 1652#endif
1635 1653
1636 io_blocktime = 0.; 1654 io_blocktime = 0.;
1637 timeout_blocktime = 0.; 1655 timeout_blocktime = 0.;
… …
1798 { 1816 {
1799 EV_WIN32_CLOSE_FD (evpipe [0]); 1817 EV_WIN32_CLOSE_FD (evpipe [0]);
1800 EV_WIN32_CLOSE_FD (evpipe [1]); 1818 EV_WIN32_CLOSE_FD (evpipe [1]);
1801 } 1819 }
1802 1820
1821#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1803 evpipe_init (EV_A); 1822 evpipe_init (EV_A);
1804 /* now iterate over everything, in case we missed something */ 1823 /* now iterate over everything, in case we missed something */
1805 pipecb (EV_A_ &pipe_w, EV_READ); 1824 pipecb (EV_A_ &pipe_w, EV_READ);
1825#endif
1806 } 1826 }
1807 1827
1808 postfork = 0; 1828 postfork = 0;
1809} 1829}
1810 1830
… …
1872 verify_watcher (EV_A_ ws [cnt]); 1892 verify_watcher (EV_A_ ws [cnt]);
1873 } 1893 }
1874} 1894}
1875#endif 1895#endif
1876 1896
1877#if EV_MINIMAL < 2 1897#if EV_FEATURE_API
1878void 1898void
1879ev_loop_verify (EV_P) 1899ev_verify (EV_P)
1880{ 1900{
1881#if EV_VERIFY 1901#if EV_VERIFY
1882 int i; 1902 int i;
1883 WL w; 1903 WL w;
1884 1904
… …
1923#if EV_ASYNC_ENABLE 1943#if EV_ASYNC_ENABLE
1924 assert (asyncmax >= asynccnt); 1944 assert (asyncmax >= asynccnt);
1925 array_verify (EV_A_ (W *)asyncs, asynccnt); 1945 array_verify (EV_A_ (W *)asyncs, asynccnt);
1926#endif 1946#endif
1927 1947
1948#if EV_PREPARE_ENABLE
1928 assert (preparemax >= preparecnt); 1949 assert (preparemax >= preparecnt);
1929 array_verify (EV_A_ (W *)prepares, preparecnt); 1950 array_verify (EV_A_ (W *)prepares, preparecnt);
1951#endif
1930 1952
1953#if EV_CHECK_ENABLE
1931 assert (checkmax >= checkcnt); 1954 assert (checkmax >= checkcnt);
1932 array_verify (EV_A_ (W *)checks, checkcnt); 1955 array_verify (EV_A_ (W *)checks, checkcnt);
1956#endif
1933 1957
1934# if 0 1958# if 0
1935#if EV_CHILD_ENABLE 1959#if EV_CHILD_ENABLE
1936 for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) 1960 for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next)
1937 for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) 1961 for (signum = EV_NSIG; signum--; ) if (signals [signum].pending)
1938#endif 1962#endif
1939# endif 1963# endif
1940#endif 1964#endif
1941} 1965}
… …
2098 EV_FREQUENT_CHECK; 2122 EV_FREQUENT_CHECK;
2099 feed_reverse (EV_A_ (W)w); 2123 feed_reverse (EV_A_ (W)w);
2100 } 2124 }
2101 while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); 2125 while (timercnt && ANHE_at (timers [HEAP0]) < mn_now);
2102 2126
2103 feed_reverse_done (EV_A_ EV_TIMEOUT); 2127 feed_reverse_done (EV_A_ EV_TIMER);
2104 } 2128 }
2105} 2129}
2106 2130
2107#if EV_PERIODIC_ENABLE 2131#if EV_PERIODIC_ENABLE
2108/* make periodics pending */ 2132/* make periodics pending */
… …
2161 feed_reverse_done (EV_A_ EV_PERIODIC); 2185 feed_reverse_done (EV_A_ EV_PERIODIC);
2162 } 2186 }
2163} 2187}
2164 2188
2165/* simply recalculate all periodics */ 2189/* simply recalculate all periodics */
2166/* 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? */
2167static void noinline 2191static void noinline
2168periodics_reschedule (EV_P) 2192periodics_reschedule (EV_P)
2169{ 2193{
2170 int i; 2194 int i;
2171 2195
… …
2269} 2293}
2270 2294
2271void 2295void
2272ev_loop (EV_P_ int flags) 2296ev_loop (EV_P_ int flags)
2273{ 2297{
2274#if EV_MINIMAL < 2 2298#if EV_FEATURE_API
2275 ++loop_depth; 2299 ++loop_depth;
2276#endif 2300#endif
2277 2301
2278 assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE)); 2302 assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE));
2279 2303
… …
2282 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 */
2283 2307
2284 do 2308 do
2285 { 2309 {
2286#if EV_VERIFY >= 2 2310#if EV_VERIFY >= 2
2287 ev_loop_verify (EV_A); 2311 ev_verify (EV_A);
2288#endif 2312#endif
2289 2313
2290#ifndef _WIN32 2314#ifndef _WIN32
2291 if (expect_false (curpid)) /* penalise the forking check even more */ 2315 if (expect_false (curpid)) /* penalise the forking check even more */
2292 if (expect_false (getpid () != curpid)) 2316 if (expect_false (getpid () != curpid))
… …
2304 queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); 2328 queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
2305 EV_INVOKE_PENDING; 2329 EV_INVOKE_PENDING;
2306 } 2330 }
2307#endif 2331#endif
2308 2332
2333#if EV_PREPARE_ENABLE
2309 /* queue prepare watchers (and execute them) */ 2334 /* queue prepare watchers (and execute them) */
2310 if (expect_false (preparecnt)) 2335 if (expect_false (preparecnt))
2311 { 2336 {
2312 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); 2337 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
2313 EV_INVOKE_PENDING; 2338 EV_INVOKE_PENDING;
2314 } 2339 }
2340#endif
2315 2341
2316 if (expect_false (loop_done)) 2342 if (expect_false (loop_done))
2317 break; 2343 break;
2318 2344
2319 /* we might have forked, so reify kernel state if necessary */ 2345 /* we might have forked, so reify kernel state if necessary */
… …
2370 waittime -= sleeptime; 2396 waittime -= sleeptime;
2371 } 2397 }
2372 } 2398 }
2373 } 2399 }
2374 2400
2375#if EV_MINIMAL < 2 2401#if EV_FEATURE_API
2376 ++loop_count; 2402 ++loop_count;
2377#endif 2403#endif
2378 assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ 2404 assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */
2379 backend_poll (EV_A_ waittime); 2405 backend_poll (EV_A_ waittime);
2380 assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ 2406 assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */
… …
2392#if EV_IDLE_ENABLE 2418#if EV_IDLE_ENABLE
2393 /* queue idle watchers unless other events are pending */ 2419 /* queue idle watchers unless other events are pending */
2394 idle_reify (EV_A); 2420 idle_reify (EV_A);
2395#endif 2421#endif
2396 2422
2423#if EV_CHECK_ENABLE
2397 /* queue check watchers, to be executed first */ 2424 /* queue check watchers, to be executed first */
2398 if (expect_false (checkcnt)) 2425 if (expect_false (checkcnt))
2399 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); 2426 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
2427#endif
2400 2428
2401 EV_INVOKE_PENDING; 2429 EV_INVOKE_PENDING;
2402 } 2430 }
2403 while (expect_true ( 2431 while (expect_true (
2404 activecnt 2432 activecnt
… …
2407 )); 2435 ));
2408 2436
2409 if (loop_done == EVUNLOOP_ONE) 2437 if (loop_done == EVUNLOOP_ONE)
2410 loop_done = EVUNLOOP_CANCEL; 2438 loop_done = EVUNLOOP_CANCEL;
2411 2439
2412#if EV_MINIMAL < 2 2440#if EV_FEATURE_API
2413 --loop_depth; 2441 --loop_depth;
2414#endif 2442#endif
2415} 2443}
2416 2444
2417void 2445void
… …
2867 return; 2895 return;
2868 2896
2869 EV_FREQUENT_CHECK; 2897 EV_FREQUENT_CHECK;
2870 2898
2871 ev_start (EV_A_ (W)w, 1); 2899 ev_start (EV_A_ (W)w, 1);
2872 wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); 2900 wlist_add (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
2873 2901
2874 EV_FREQUENT_CHECK; 2902 EV_FREQUENT_CHECK;
2875} 2903}
2876 2904
2877void 2905void
… …
2881 if (expect_false (!ev_is_active (w))) 2909 if (expect_false (!ev_is_active (w)))
2882 return; 2910 return;
2883 2911
2884 EV_FREQUENT_CHECK; 2912 EV_FREQUENT_CHECK;
2885 2913
2886 wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); 2914 wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
2887 ev_stop (EV_A_ (W)w); 2915 ev_stop (EV_A_ (W)w);
2888 2916
2889 EV_FREQUENT_CHECK; 2917 EV_FREQUENT_CHECK;
2890} 2918}
2891 2919
… …
2964 while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); 2992 while (w->wd < 0 && (errno == ENOENT || errno == EACCES));
2965 } 2993 }
2966 } 2994 }
2967 2995
2968 if (w->wd >= 0) 2996 if (w->wd >= 0)
2969 wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); 2997 wlist_add (&fs_hash [w->wd & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w);
2970 2998
2971 /* now re-arm timer, if required */ 2999 /* now re-arm timer, if required */
2972 if (ev_is_active (&w->timer)) ev_ref (EV_A); 3000 if (ev_is_active (&w->timer)) ev_ref (EV_A);
2973 ev_timer_again (EV_A_ &w->timer); 3001 ev_timer_again (EV_A_ &w->timer);
2974 if (ev_is_active (&w->timer)) ev_unref (EV_A); 3002 if (ev_is_active (&w->timer)) ev_unref (EV_A);
… …
2982 3010
2983 if (wd < 0) 3011 if (wd < 0)
2984 return; 3012 return;
2985 3013
2986 w->wd = -2; 3014 w->wd = -2;
2987 slot = wd & (EV_INOTIFY_HASHSIZE - 1); 3015 slot = wd & ((EV_INOTIFY_HASHSIZE) - 1);
2988 wlist_del (&fs_hash [slot].head, (WL)w); 3016 wlist_del (&fs_hash [slot].head, (WL)w);
2989 3017
2990 /* remove this watcher, if others are watching it, they will rearm */ 3018 /* remove this watcher, if others are watching it, they will rearm */
2991 inotify_rm_watch (fs_fd, wd); 3019 inotify_rm_watch (fs_fd, wd);
2992} 3020}
… …
2994static void noinline 3022static void noinline
2995infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) 3023infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
2996{ 3024{
2997 if (slot < 0) 3025 if (slot < 0)
2998 /* overflow, need to check for all hash slots */ 3026 /* overflow, need to check for all hash slots */
2999 for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) 3027 for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
3000 infy_wd (EV_A_ slot, wd, ev); 3028 infy_wd (EV_A_ slot, wd, ev);
3001 else 3029 else
3002 { 3030 {
3003 WL w_; 3031 WL w_;
3004 3032
3005 for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; ) 3033 for (w_ = fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head; w_; )
3006 { 3034 {
3007 ev_stat *w = (ev_stat *)w_; 3035 ev_stat *w = (ev_stat *)w_;
3008 w_ = w_->next; /* lets us remove this watcher and all before it */ 3036 w_ = w_->next; /* lets us remove this watcher and all before it */
3009 3037
3010 if (w->wd == wd || wd == -1) 3038 if (w->wd == wd || wd == -1)
3011 { 3039 {
3012 if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) 3040 if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF))
3013 { 3041 {
3014 wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); 3042 wlist_del (&fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w);
3015 w->wd = -1; 3043 w->wd = -1;
3016 infy_add (EV_A_ w); /* re-add, no matter what */ 3044 infy_add (EV_A_ w); /* re-add, no matter what */
3017 } 3045 }
3018 3046
3019 stat_timer_cb (EV_A_ &w->timer, 0); 3047 stat_timer_cb (EV_A_ &w->timer, 0);
… …
3133 ev_io_set (&fs_w, fs_fd, EV_READ); 3161 ev_io_set (&fs_w, fs_fd, EV_READ);
3134 ev_io_start (EV_A_ &fs_w); 3162 ev_io_start (EV_A_ &fs_w);
3135 ev_unref (EV_A); 3163 ev_unref (EV_A);
3136 } 3164 }
3137 3165
3138 for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) 3166 for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
3139 { 3167 {
3140 WL w_ = fs_hash [slot].head; 3168 WL w_ = fs_hash [slot].head;
3141 fs_hash [slot].head = 0; 3169 fs_hash [slot].head = 0;
3142 3170
3143 while (w_) 3171 while (w_)
… …
3318 3346
3319 EV_FREQUENT_CHECK; 3347 EV_FREQUENT_CHECK;
3320} 3348}
3321#endif 3349#endif
3322 3350
3351#if EV_PREPARE_ENABLE
3323void 3352void
3324ev_prepare_start (EV_P_ ev_prepare *w) 3353ev_prepare_start (EV_P_ ev_prepare *w)
3325{ 3354{
3326 if (expect_false (ev_is_active (w))) 3355 if (expect_false (ev_is_active (w)))
3327 return; 3356 return;
… …
3353 3382
3354 ev_stop (EV_A_ (W)w); 3383 ev_stop (EV_A_ (W)w);
3355 3384
3356 EV_FREQUENT_CHECK; 3385 EV_FREQUENT_CHECK;
3357} 3386}
3387#endif
3358 3388
3389#if EV_CHECK_ENABLE
3359void 3390void
3360ev_check_start (EV_P_ ev_check *w) 3391ev_check_start (EV_P_ ev_check *w)
3361{ 3392{
3362 if (expect_false (ev_is_active (w))) 3393 if (expect_false (ev_is_active (w)))
3363 return; 3394 return;
… …
3389 3420
3390 ev_stop (EV_A_ (W)w); 3421 ev_stop (EV_A_ (W)w);
3391 3422
3392 EV_FREQUENT_CHECK; 3423 EV_FREQUENT_CHECK;
3393} 3424}
3425#endif
3394 3426
3395#if EV_EMBED_ENABLE 3427#if EV_EMBED_ENABLE
3396void noinline 3428void noinline
3397ev_embed_sweep (EV_P_ ev_embed *w) 3429ev_embed_sweep (EV_P_ ev_embed *w)
3398{ 3430{
… …
3630{ 3662{
3631 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));
3632 3664
3633 if (expect_false (!once)) 3665 if (expect_false (!once))
3634 { 3666 {
3635 cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); 3667 cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg);
3636 return; 3668 return;
3637 } 3669 }
3638 3670
3639 once->cb = cb; 3671 once->cb = cb;
3640 once->arg = arg; 3672 once->arg = arg;
… …
3727 if (types & EV_ASYNC) 3759 if (types & EV_ASYNC)
3728 for (i = asynccnt; i--; ) 3760 for (i = asynccnt; i--; )
3729 cb (EV_A_ EV_ASYNC, asyncs [i]); 3761 cb (EV_A_ EV_ASYNC, asyncs [i]);
3730#endif 3762#endif
3731 3763
3764#if EV_PREPARE_ENABLE
3732 if (types & EV_PREPARE) 3765 if (types & EV_PREPARE)
3733 for (i = preparecnt; i--; ) 3766 for (i = preparecnt; i--; )
3734#if EV_EMBED_ENABLE 3767# if EV_EMBED_ENABLE
3735 if (ev_cb (prepares [i]) != embed_prepare_cb) 3768 if (ev_cb (prepares [i]) != embed_prepare_cb)
3736#endif 3769# endif
3737 cb (EV_A_ EV_PREPARE, prepares [i]); 3770 cb (EV_A_ EV_PREPARE, prepares [i]);
3771#endif
3738 3772
3773#if EV_CHECK_ENABLE
3739 if (types & EV_CHECK) 3774 if (types & EV_CHECK)
3740 for (i = checkcnt; i--; ) 3775 for (i = checkcnt; i--; )
3741 cb (EV_A_ EV_CHECK, checks [i]); 3776 cb (EV_A_ EV_CHECK, checks [i]);
3777#endif
3742 3778
3779#if EV_SIGNAL_ENABLE
3743 if (types & EV_SIGNAL) 3780 if (types & EV_SIGNAL)
3744 for (i = 0; i < EV_NSIG - 1; ++i) 3781 for (i = 0; i < EV_NSIG - 1; ++i)
3745 for (wl = signals [i].head; wl; ) 3782 for (wl = signals [i].head; wl; )
3746 { 3783 {
3747 wn = wl->next; 3784 wn = wl->next;
3748 cb (EV_A_ EV_SIGNAL, wl); 3785 cb (EV_A_ EV_SIGNAL, wl);
3749 wl = wn; 3786 wl = wn;
3750 } 3787 }
3788#endif
3751 3789
3790#if EV_CHILD_ENABLE
3752 if (types & EV_CHILD) 3791 if (types & EV_CHILD)
3753 for (i = EV_PID_HASHSIZE; i--; ) 3792 for (i = (EV_PID_HASHSIZE); i--; )
3754 for (wl = childs [i]; wl; ) 3793 for (wl = childs [i]; wl; )
3755 { 3794 {
3756 wn = wl->next; 3795 wn = wl->next;
3757 cb (EV_A_ EV_CHILD, wl); 3796 cb (EV_A_ EV_CHILD, wl);
3758 wl = wn; 3797 wl = wn;
3759 } 3798 }
3799#endif
3760/* EV_STAT 0x00001000 /* stat data changed */ 3800/* EV_STAT 0x00001000 /* stat data changed */
3761/* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ 3801/* EV_EMBED 0x00010000 /* embedded event loop needs sweep */
3762} 3802}
3763#endif 3803#endif
3764 3804

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