1 | /* |
1 | /* |
2 | * libev event processing core, watcher management |
2 | * libev event processing core, watcher management |
3 | * |
3 | * |
4 | * Copyright (c) 2007,2008,2009 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007,2008,2009,2010 Marc Alexander Lehmann <libev@schmorp.de> |
5 | * All rights reserved. |
5 | * All rights reserved. |
6 | * |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
8 | * tion, are permitted provided that the following conditions are met: |
8 | * tion, are permitted provided that the following conditions are met: |
9 | * |
9 | * |
… | |
… | |
110 | # define EV_USE_EPOLL 0 |
110 | # define EV_USE_EPOLL 0 |
111 | # endif |
111 | # endif |
112 | # endif |
112 | # endif |
113 | |
113 | |
114 | # ifndef EV_USE_KQUEUE |
114 | # ifndef EV_USE_KQUEUE |
115 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H |
115 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H |
116 | # define EV_USE_KQUEUE 1 |
116 | # define EV_USE_KQUEUE 1 |
117 | # else |
117 | # else |
118 | # define EV_USE_KQUEUE 0 |
118 | # define EV_USE_KQUEUE 0 |
119 | # endif |
119 | # endif |
120 | # endif |
120 | # endif |
… | |
… | |
153 | |
153 | |
154 | #endif |
154 | #endif |
155 | |
155 | |
156 | #include <math.h> |
156 | #include <math.h> |
157 | #include <stdlib.h> |
157 | #include <stdlib.h> |
|
|
158 | #include <string.h> |
158 | #include <fcntl.h> |
159 | #include <fcntl.h> |
159 | #include <stddef.h> |
160 | #include <stddef.h> |
160 | |
161 | |
161 | #include <stdio.h> |
162 | #include <stdio.h> |
162 | |
163 | |
163 | #include <assert.h> |
164 | #include <assert.h> |
164 | #include <errno.h> |
165 | #include <errno.h> |
165 | #include <sys/types.h> |
166 | #include <sys/types.h> |
166 | #include <time.h> |
167 | #include <time.h> |
|
|
168 | #include <limits.h> |
167 | |
169 | |
168 | #include <signal.h> |
170 | #include <signal.h> |
169 | |
171 | |
170 | #ifdef EV_H |
172 | #ifdef EV_H |
171 | # include EV_H |
173 | # include EV_H |
… | |
… | |
187 | #endif |
189 | #endif |
188 | |
190 | |
189 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
191 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
190 | |
192 | |
191 | /* try to deduce the maximum number of signals on this platform */ |
193 | /* try to deduce the maximum number of signals on this platform */ |
192 | /* one some platforms, NSIG is one too large. we do not bother */ |
|
|
193 | #if defined (EV_NSIG) |
194 | #if defined (EV_NSIG) |
194 | /* use what's provided */ |
195 | /* use what's provided */ |
195 | #elif defined (NSIG) |
196 | #elif defined (NSIG) |
196 | # define EV_NSIG (NSIG) |
197 | # define EV_NSIG (NSIG) |
197 | #elif defined(_NSIG) |
198 | #elif defined(_NSIG) |
… | |
… | |
303 | # define EV_USE_EVENTFD 0 |
304 | # define EV_USE_EVENTFD 0 |
304 | # endif |
305 | # endif |
305 | #endif |
306 | #endif |
306 | |
307 | |
307 | #ifndef EV_USE_SIGNALFD |
308 | #ifndef EV_USE_SIGNALFD |
308 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 9)) |
309 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
309 | # define EV_USE_SIGNALFD 1 |
310 | # define EV_USE_SIGNALFD 1 |
310 | # else |
311 | # else |
311 | # define EV_USE_SIGNALFD 0 |
312 | # define EV_USE_SIGNALFD 0 |
312 | # endif |
313 | # endif |
313 | #endif |
314 | #endif |
… | |
… | |
344 | # endif |
345 | # endif |
345 | #endif |
346 | #endif |
346 | |
347 | |
347 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
348 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
348 | |
349 | |
|
|
350 | #ifdef _AIX |
|
|
351 | /* AIX has a completely broken poll.h header */ |
|
|
352 | # undef EV_USE_POLL |
|
|
353 | # define EV_USE_POLL 0 |
|
|
354 | #endif |
|
|
355 | |
349 | #ifndef CLOCK_MONOTONIC |
356 | #ifndef CLOCK_MONOTONIC |
350 | # undef EV_USE_MONOTONIC |
357 | # undef EV_USE_MONOTONIC |
351 | # define EV_USE_MONOTONIC 0 |
358 | # define EV_USE_MONOTONIC 0 |
352 | #endif |
359 | #endif |
353 | |
360 | |
… | |
… | |
387 | # include <stdint.h> |
394 | # include <stdint.h> |
388 | # ifndef EFD_NONBLOCK |
395 | # ifndef EFD_NONBLOCK |
389 | # define EFD_NONBLOCK O_NONBLOCK |
396 | # define EFD_NONBLOCK O_NONBLOCK |
390 | # endif |
397 | # endif |
391 | # ifndef EFD_CLOEXEC |
398 | # ifndef EFD_CLOEXEC |
|
|
399 | # ifdef O_CLOEXEC |
392 | # define EFD_CLOEXEC O_CLOEXEC |
400 | # define EFD_CLOEXEC O_CLOEXEC |
|
|
401 | # else |
|
|
402 | # define EFD_CLOEXEC 02000000 |
|
|
403 | # endif |
393 | # endif |
404 | # endif |
394 | # ifdef __cplusplus |
405 | # ifdef __cplusplus |
395 | extern "C" { |
406 | extern "C" { |
396 | # endif |
407 | # endif |
397 | int eventfd (unsigned int initval, int flags); |
408 | int eventfd (unsigned int initval, int flags); |
… | |
… | |
399 | } |
410 | } |
400 | # endif |
411 | # endif |
401 | #endif |
412 | #endif |
402 | |
413 | |
403 | #if EV_USE_SIGNALFD |
414 | #if EV_USE_SIGNALFD |
404 | # include <sys/signalfd.h> |
415 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
|
|
416 | # include <stdint.h> |
|
|
417 | # ifndef SFD_NONBLOCK |
|
|
418 | # define SFD_NONBLOCK O_NONBLOCK |
405 | #endif |
419 | # endif |
|
|
420 | # ifndef SFD_CLOEXEC |
|
|
421 | # ifdef O_CLOEXEC |
|
|
422 | # define SFD_CLOEXEC O_CLOEXEC |
|
|
423 | # else |
|
|
424 | # define SFD_CLOEXEC 02000000 |
|
|
425 | # endif |
|
|
426 | # endif |
|
|
427 | # ifdef __cplusplus |
|
|
428 | extern "C" { |
|
|
429 | # endif |
|
|
430 | int signalfd (int fd, const sigset_t *mask, int flags); |
|
|
431 | |
|
|
432 | struct signalfd_siginfo |
|
|
433 | { |
|
|
434 | uint32_t ssi_signo; |
|
|
435 | char pad[128 - sizeof (uint32_t)]; |
|
|
436 | }; |
|
|
437 | # ifdef __cplusplus |
|
|
438 | } |
|
|
439 | # endif |
|
|
440 | #endif |
|
|
441 | |
406 | |
442 | |
407 | /**/ |
443 | /**/ |
408 | |
444 | |
409 | #if EV_VERIFY >= 3 |
445 | #if EV_VERIFY >= 3 |
410 | # define EV_FREQUENT_CHECK ev_loop_verify (EV_A) |
446 | # define EV_FREQUENT_CHECK ev_loop_verify (EV_A) |
… | |
… | |
422 | */ |
458 | */ |
423 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
459 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
424 | |
460 | |
425 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
461 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
426 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
462 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
427 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds, TODO */ |
|
|
428 | |
463 | |
429 | #if __GNUC__ >= 4 |
464 | #if __GNUC__ >= 4 |
430 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
465 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
431 | # define noinline __attribute__ ((noinline)) |
466 | # define noinline __attribute__ ((noinline)) |
432 | #else |
467 | #else |
… | |
… | |
471 | static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ |
506 | static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ |
472 | #endif |
507 | #endif |
473 | |
508 | |
474 | #if EV_USE_MONOTONIC |
509 | #if EV_USE_MONOTONIC |
475 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
510 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
|
|
511 | #endif |
|
|
512 | |
|
|
513 | #ifndef EV_FD_TO_WIN32_HANDLE |
|
|
514 | # define EV_FD_TO_WIN32_HANDLE(fd) _get_osfhandle (fd) |
|
|
515 | #endif |
|
|
516 | #ifndef EV_WIN32_HANDLE_TO_FD |
|
|
517 | # define EV_WIN32_HANDLE_TO_FD(handle) _open_osfhandle (handle, 0) |
|
|
518 | #endif |
|
|
519 | #ifndef EV_WIN32_CLOSE_FD |
|
|
520 | # define EV_WIN32_CLOSE_FD(fd) close (fd) |
476 | #endif |
521 | #endif |
477 | |
522 | |
478 | #ifdef _WIN32 |
523 | #ifdef _WIN32 |
479 | # include "ev_win32.c" |
524 | # include "ev_win32.c" |
480 | #endif |
525 | #endif |
… | |
… | |
873 | |
918 | |
874 | #if EV_SELECT_IS_WINSOCKET |
919 | #if EV_SELECT_IS_WINSOCKET |
875 | if (events) |
920 | if (events) |
876 | { |
921 | { |
877 | unsigned long arg; |
922 | unsigned long arg; |
878 | #ifdef EV_FD_TO_WIN32_HANDLE |
|
|
879 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
923 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
880 | #else |
|
|
881 | anfd->handle = _get_osfhandle (fd); |
|
|
882 | #endif |
|
|
883 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
924 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
884 | } |
925 | } |
885 | #endif |
926 | #endif |
886 | |
927 | |
887 | { |
928 | { |
… | |
… | |
930 | /* check whether the given fd is atcually valid, for error recovery */ |
971 | /* check whether the given fd is atcually valid, for error recovery */ |
931 | inline_size int |
972 | inline_size int |
932 | fd_valid (int fd) |
973 | fd_valid (int fd) |
933 | { |
974 | { |
934 | #ifdef _WIN32 |
975 | #ifdef _WIN32 |
935 | return _get_osfhandle (fd) != -1; |
976 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
936 | #else |
977 | #else |
937 | return fcntl (fd, F_GETFD) != -1; |
978 | return fcntl (fd, F_GETFD) != -1; |
938 | #endif |
979 | #endif |
939 | } |
980 | } |
940 | |
981 | |
… | |
… | |
958 | |
999 | |
959 | for (fd = anfdmax; fd--; ) |
1000 | for (fd = anfdmax; fd--; ) |
960 | if (anfds [fd].events) |
1001 | if (anfds [fd].events) |
961 | { |
1002 | { |
962 | fd_kill (EV_A_ fd); |
1003 | fd_kill (EV_A_ fd); |
963 | return; |
1004 | break; |
964 | } |
1005 | } |
965 | } |
1006 | } |
966 | |
1007 | |
967 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
1008 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
968 | static void noinline |
1009 | static void noinline |
… | |
… | |
1058 | |
1099 | |
1059 | for (;;) |
1100 | for (;;) |
1060 | { |
1101 | { |
1061 | int c = k << 1; |
1102 | int c = k << 1; |
1062 | |
1103 | |
1063 | if (c > N + HEAP0 - 1) |
1104 | if (c >= N + HEAP0) |
1064 | break; |
1105 | break; |
1065 | |
1106 | |
1066 | c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) |
1107 | c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) |
1067 | ? 1 : 0; |
1108 | ? 1 : 0; |
1068 | |
1109 | |
… | |
… | |
1104 | |
1145 | |
1105 | /* move an element suitably so it is in a correct place */ |
1146 | /* move an element suitably so it is in a correct place */ |
1106 | inline_size void |
1147 | inline_size void |
1107 | adjustheap (ANHE *heap, int N, int k) |
1148 | adjustheap (ANHE *heap, int N, int k) |
1108 | { |
1149 | { |
1109 | if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k])) |
1150 | if (k > HEAP0 && ANHE_at (heap [k]) <= ANHE_at (heap [HPARENT (k)])) |
1110 | upheap (heap, k); |
1151 | upheap (heap, k); |
1111 | else |
1152 | else |
1112 | downheap (heap, N, k); |
1153 | downheap (heap, N, k); |
1113 | } |
1154 | } |
1114 | |
1155 | |
… | |
… | |
1127 | /*****************************************************************************/ |
1168 | /*****************************************************************************/ |
1128 | |
1169 | |
1129 | /* associate signal watchers to a signal signal */ |
1170 | /* associate signal watchers to a signal signal */ |
1130 | typedef struct |
1171 | typedef struct |
1131 | { |
1172 | { |
|
|
1173 | EV_ATOMIC_T pending; |
1132 | #if EV_MULTIPLICITY |
1174 | #if EV_MULTIPLICITY |
1133 | EV_P; |
1175 | EV_P; |
1134 | #endif |
1176 | #endif |
1135 | WL head; |
1177 | WL head; |
1136 | EV_ATOMIC_T gotsig; |
|
|
1137 | } ANSIG; |
1178 | } ANSIG; |
1138 | |
1179 | |
1139 | static ANSIG signals [EV_NSIG - 1]; |
1180 | static ANSIG signals [EV_NSIG - 1]; |
1140 | static EV_ATOMIC_T gotsig; |
|
|
1141 | |
1181 | |
1142 | /*****************************************************************************/ |
1182 | /*****************************************************************************/ |
1143 | |
1183 | |
1144 | /* used to prepare libev internal fd's */ |
1184 | /* used to prepare libev internal fd's */ |
1145 | /* this is not fork-safe */ |
1185 | /* this is not fork-safe */ |
1146 | inline_speed void |
1186 | inline_speed void |
1147 | fd_intern (int fd) |
1187 | fd_intern (int fd) |
1148 | { |
1188 | { |
1149 | #ifdef _WIN32 |
1189 | #ifdef _WIN32 |
1150 | unsigned long arg = 1; |
1190 | unsigned long arg = 1; |
1151 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
1191 | ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg); |
1152 | #else |
1192 | #else |
1153 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
1193 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
1154 | fcntl (fd, F_SETFL, O_NONBLOCK); |
1194 | fcntl (fd, F_SETFL, O_NONBLOCK); |
1155 | #endif |
1195 | #endif |
1156 | } |
1196 | } |
… | |
… | |
1213 | /* called whenever the libev signal pipe */ |
1253 | /* called whenever the libev signal pipe */ |
1214 | /* got some events (signal, async) */ |
1254 | /* got some events (signal, async) */ |
1215 | static void |
1255 | static void |
1216 | pipecb (EV_P_ ev_io *iow, int revents) |
1256 | pipecb (EV_P_ ev_io *iow, int revents) |
1217 | { |
1257 | { |
|
|
1258 | int i; |
|
|
1259 | |
1218 | #if EV_USE_EVENTFD |
1260 | #if EV_USE_EVENTFD |
1219 | if (evfd >= 0) |
1261 | if (evfd >= 0) |
1220 | { |
1262 | { |
1221 | uint64_t counter; |
1263 | uint64_t counter; |
1222 | read (evfd, &counter, sizeof (uint64_t)); |
1264 | read (evfd, &counter, sizeof (uint64_t)); |
… | |
… | |
1226 | { |
1268 | { |
1227 | char dummy; |
1269 | char dummy; |
1228 | read (evpipe [0], &dummy, 1); |
1270 | read (evpipe [0], &dummy, 1); |
1229 | } |
1271 | } |
1230 | |
1272 | |
1231 | if (gotsig && ev_is_default_loop (EV_A)) |
1273 | if (sig_pending) |
1232 | { |
1274 | { |
1233 | int signum; |
1275 | sig_pending = 0; |
1234 | gotsig = 0; |
|
|
1235 | |
1276 | |
1236 | for (signum = EV_NSIG - 1; signum--; ) |
1277 | for (i = EV_NSIG - 1; i--; ) |
1237 | if (signals [signum].gotsig) |
1278 | if (expect_false (signals [i].pending)) |
1238 | ev_feed_signal_event (EV_A_ signum + 1); |
1279 | ev_feed_signal_event (EV_A_ i + 1); |
1239 | } |
1280 | } |
1240 | |
1281 | |
1241 | #if EV_ASYNC_ENABLE |
1282 | #if EV_ASYNC_ENABLE |
1242 | if (gotasync) |
1283 | if (async_pending) |
1243 | { |
1284 | { |
1244 | int i; |
1285 | async_pending = 0; |
1245 | gotasync = 0; |
|
|
1246 | |
1286 | |
1247 | for (i = asynccnt; i--; ) |
1287 | for (i = asynccnt; i--; ) |
1248 | if (asyncs [i]->sent) |
1288 | if (asyncs [i]->sent) |
1249 | { |
1289 | { |
1250 | asyncs [i]->sent = 0; |
1290 | asyncs [i]->sent = 0; |
… | |
… | |
1261 | { |
1301 | { |
1262 | #if EV_MULTIPLICITY |
1302 | #if EV_MULTIPLICITY |
1263 | EV_P = signals [signum - 1].loop; |
1303 | EV_P = signals [signum - 1].loop; |
1264 | #endif |
1304 | #endif |
1265 | |
1305 | |
1266 | #if _WIN32 |
1306 | #ifdef _WIN32 |
1267 | signal (signum, ev_sighandler); |
1307 | signal (signum, ev_sighandler); |
1268 | #endif |
1308 | #endif |
1269 | |
1309 | |
1270 | signals [signum - 1].gotsig = 1; |
1310 | signals [signum - 1].pending = 1; |
1271 | evpipe_write (EV_A_ &gotsig); |
1311 | evpipe_write (EV_A_ &sig_pending); |
1272 | } |
1312 | } |
1273 | |
1313 | |
1274 | void noinline |
1314 | void noinline |
1275 | ev_feed_signal_event (EV_P_ int signum) |
1315 | ev_feed_signal_event (EV_P_ int signum) |
1276 | { |
1316 | { |
1277 | WL w; |
1317 | WL w; |
1278 | |
1318 | |
|
|
1319 | if (expect_false (signum <= 0 || signum > EV_NSIG)) |
|
|
1320 | return; |
|
|
1321 | |
|
|
1322 | --signum; |
|
|
1323 | |
1279 | #if EV_MULTIPLICITY |
1324 | #if EV_MULTIPLICITY |
1280 | assert (("libev: feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
1325 | /* it is permissible to try to feed a signal to the wrong loop */ |
1281 | #endif |
1326 | /* or, likely more useful, feeding a signal nobody is waiting for */ |
1282 | |
1327 | |
1283 | if (signum <= 0 || signum > EV_NSIG) |
1328 | if (expect_false (signals [signum].loop != EV_A)) |
1284 | return; |
1329 | return; |
|
|
1330 | #endif |
1285 | |
1331 | |
1286 | --signum; |
|
|
1287 | |
|
|
1288 | signals [signum].gotsig = 0; |
1332 | signals [signum].pending = 0; |
1289 | |
1333 | |
1290 | for (w = signals [signum].head; w; w = w->next) |
1334 | for (w = signals [signum].head; w; w = w->next) |
1291 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
1335 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
1292 | } |
1336 | } |
1293 | |
1337 | |
… | |
… | |
1560 | |
1604 | |
1561 | io_blocktime = 0.; |
1605 | io_blocktime = 0.; |
1562 | timeout_blocktime = 0.; |
1606 | timeout_blocktime = 0.; |
1563 | backend = 0; |
1607 | backend = 0; |
1564 | backend_fd = -1; |
1608 | backend_fd = -1; |
1565 | gotasync = 0; |
1609 | sig_pending = 0; |
|
|
1610 | #if EV_ASYNC_ENABLE |
|
|
1611 | async_pending = 0; |
|
|
1612 | #endif |
1566 | #if EV_USE_INOTIFY |
1613 | #if EV_USE_INOTIFY |
1567 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
1614 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
1568 | #endif |
1615 | #endif |
1569 | #if EV_USE_SIGNALFD |
1616 | #if EV_USE_SIGNALFD |
1570 | sigfd = flags & EVFLAG_NOSIGFD ? -1 : -2; |
1617 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
1571 | #endif |
1618 | #endif |
1572 | |
1619 | |
1573 | if (!(flags & 0x0000ffffU)) |
1620 | if (!(flags & 0x0000ffffU)) |
1574 | flags |= ev_recommended_backends (); |
1621 | flags |= ev_recommended_backends (); |
1575 | |
1622 | |
… | |
… | |
1612 | close (evfd); |
1659 | close (evfd); |
1613 | #endif |
1660 | #endif |
1614 | |
1661 | |
1615 | if (evpipe [0] >= 0) |
1662 | if (evpipe [0] >= 0) |
1616 | { |
1663 | { |
1617 | close (evpipe [0]); |
1664 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1618 | close (evpipe [1]); |
1665 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1619 | } |
1666 | } |
1620 | } |
1667 | } |
1621 | |
1668 | |
1622 | #if EV_USE_SIGNALFD |
1669 | #if EV_USE_SIGNALFD |
1623 | if (ev_is_active (&sigfd_w)) |
1670 | if (ev_is_active (&sigfd_w)) |
1624 | { |
|
|
1625 | /*ev_ref (EV_A);*/ |
|
|
1626 | /*ev_io_stop (EV_A_ &sigfd_w);*/ |
|
|
1627 | |
|
|
1628 | close (sigfd); |
1671 | close (sigfd); |
1629 | } |
|
|
1630 | #endif |
1672 | #endif |
1631 | |
1673 | |
1632 | #if EV_USE_INOTIFY |
1674 | #if EV_USE_INOTIFY |
1633 | if (fs_fd >= 0) |
1675 | if (fs_fd >= 0) |
1634 | close (fs_fd); |
1676 | close (fs_fd); |
… | |
… | |
1704 | |
1746 | |
1705 | if (ev_is_active (&pipe_w)) |
1747 | if (ev_is_active (&pipe_w)) |
1706 | { |
1748 | { |
1707 | /* this "locks" the handlers against writing to the pipe */ |
1749 | /* this "locks" the handlers against writing to the pipe */ |
1708 | /* while we modify the fd vars */ |
1750 | /* while we modify the fd vars */ |
1709 | gotsig = 1; |
1751 | sig_pending = 1; |
1710 | #if EV_ASYNC_ENABLE |
1752 | #if EV_ASYNC_ENABLE |
1711 | gotasync = 1; |
1753 | async_pending = 1; |
1712 | #endif |
1754 | #endif |
1713 | |
1755 | |
1714 | ev_ref (EV_A); |
1756 | ev_ref (EV_A); |
1715 | ev_io_stop (EV_A_ &pipe_w); |
1757 | ev_io_stop (EV_A_ &pipe_w); |
1716 | |
1758 | |
… | |
… | |
1719 | close (evfd); |
1761 | close (evfd); |
1720 | #endif |
1762 | #endif |
1721 | |
1763 | |
1722 | if (evpipe [0] >= 0) |
1764 | if (evpipe [0] >= 0) |
1723 | { |
1765 | { |
1724 | close (evpipe [0]); |
1766 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1725 | close (evpipe [1]); |
1767 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1726 | } |
1768 | } |
1727 | |
1769 | |
1728 | evpipe_init (EV_A); |
1770 | evpipe_init (EV_A); |
1729 | /* now iterate over everything, in case we missed something */ |
1771 | /* now iterate over everything, in case we missed something */ |
1730 | pipecb (EV_A_ &pipe_w, EV_READ); |
1772 | pipecb (EV_A_ &pipe_w, EV_READ); |
… | |
… | |
1856 | assert (checkmax >= checkcnt); |
1898 | assert (checkmax >= checkcnt); |
1857 | array_verify (EV_A_ (W *)checks, checkcnt); |
1899 | array_verify (EV_A_ (W *)checks, checkcnt); |
1858 | |
1900 | |
1859 | # if 0 |
1901 | # if 0 |
1860 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1902 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1861 | for (signum = EV_NSIG; signum--; ) if (signals [signum].gotsig) |
1903 | for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) |
1862 | # endif |
1904 | # endif |
1863 | #endif |
1905 | #endif |
1864 | } |
1906 | } |
1865 | #endif |
1907 | #endif |
1866 | |
1908 | |
… | |
… | |
2122 | ANHE_at_cache (*he); |
2164 | ANHE_at_cache (*he); |
2123 | } |
2165 | } |
2124 | } |
2166 | } |
2125 | |
2167 | |
2126 | /* fetch new monotonic and realtime times from the kernel */ |
2168 | /* fetch new monotonic and realtime times from the kernel */ |
2127 | /* also detetc if there was a timejump, and act accordingly */ |
2169 | /* also detect if there was a timejump, and act accordingly */ |
2128 | inline_speed void |
2170 | inline_speed void |
2129 | time_update (EV_P_ ev_tstamp max_block) |
2171 | time_update (EV_P_ ev_tstamp max_block) |
2130 | { |
2172 | { |
2131 | #if EV_USE_MONOTONIC |
2173 | #if EV_USE_MONOTONIC |
2132 | if (expect_true (have_monotonic)) |
2174 | if (expect_true (have_monotonic)) |
… | |
… | |
2393 | inline_size void |
2435 | inline_size void |
2394 | wlist_del (WL *head, WL elem) |
2436 | wlist_del (WL *head, WL elem) |
2395 | { |
2437 | { |
2396 | while (*head) |
2438 | while (*head) |
2397 | { |
2439 | { |
2398 | if (*head == elem) |
2440 | if (expect_true (*head == elem)) |
2399 | { |
2441 | { |
2400 | *head = elem->next; |
2442 | *head = elem->next; |
2401 | return; |
2443 | break; |
2402 | } |
2444 | } |
2403 | |
2445 | |
2404 | head = &(*head)->next; |
2446 | head = &(*head)->next; |
2405 | } |
2447 | } |
2406 | } |
2448 | } |
… | |
… | |
2466 | |
2508 | |
2467 | if (expect_false (ev_is_active (w))) |
2509 | if (expect_false (ev_is_active (w))) |
2468 | return; |
2510 | return; |
2469 | |
2511 | |
2470 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
2512 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
2471 | assert (("libev: ev_io start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
2513 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
2472 | |
2514 | |
2473 | EV_FREQUENT_CHECK; |
2515 | EV_FREQUENT_CHECK; |
2474 | |
2516 | |
2475 | ev_start (EV_A_ (W)w, 1); |
2517 | ev_start (EV_A_ (W)w, 1); |
2476 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
2518 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
… | |
… | |
2666 | return; |
2708 | return; |
2667 | |
2709 | |
2668 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
2710 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
2669 | |
2711 | |
2670 | #if EV_MULTIPLICITY |
2712 | #if EV_MULTIPLICITY |
2671 | assert (("libev: tried to attach to a signal from two different loops", |
2713 | assert (("libev: a signal must not be attached to two different loops", |
2672 | !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop)); |
2714 | !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop)); |
2673 | |
2715 | |
2674 | signals [w->signum - 1].loop = EV_A; |
2716 | signals [w->signum - 1].loop = EV_A; |
2675 | #endif |
2717 | #endif |
2676 | |
2718 | |
… | |
… | |
2712 | if (!((WL)w)->next) |
2754 | if (!((WL)w)->next) |
2713 | # if EV_USE_SIGNALFD |
2755 | # if EV_USE_SIGNALFD |
2714 | if (sigfd < 0) /*TODO*/ |
2756 | if (sigfd < 0) /*TODO*/ |
2715 | # endif |
2757 | # endif |
2716 | { |
2758 | { |
2717 | # if _WIN32 |
2759 | # ifdef _WIN32 |
|
|
2760 | evpipe_init (EV_A); |
|
|
2761 | |
2718 | signal (w->signum, ev_sighandler); |
2762 | signal (w->signum, ev_sighandler); |
2719 | # else |
2763 | # else |
2720 | struct sigaction sa; |
2764 | struct sigaction sa; |
2721 | |
2765 | |
2722 | evpipe_init (EV_A); |
2766 | evpipe_init (EV_A); |
… | |
… | |
2747 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2791 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2748 | ev_stop (EV_A_ (W)w); |
2792 | ev_stop (EV_A_ (W)w); |
2749 | |
2793 | |
2750 | if (!signals [w->signum - 1].head) |
2794 | if (!signals [w->signum - 1].head) |
2751 | { |
2795 | { |
2752 | #if EV_MULTIPLICITY |
2796 | #if EV_MULTIPLICITY |
2753 | signals [w->signum - 1].loop = 0; /* unattach from signal */ |
2797 | signals [w->signum - 1].loop = 0; /* unattach from signal */ |
2754 | #endif |
2798 | #endif |
2755 | #if EV_USE_SIGNALFD |
2799 | #if EV_USE_SIGNALFD |
2756 | if (sigfd >= 0) |
2800 | if (sigfd >= 0) |
2757 | { |
2801 | { |
2758 | sigprocmask (SIG_UNBLOCK, &sigfd_set, 0);//D |
2802 | sigset_t ss; |
|
|
2803 | |
|
|
2804 | sigemptyset (&ss); |
|
|
2805 | sigaddset (&ss, w->signum); |
2759 | sigdelset (&sigfd_set, w->signum); |
2806 | sigdelset (&sigfd_set, w->signum); |
|
|
2807 | |
2760 | signalfd (sigfd, &sigfd_set, 0); |
2808 | signalfd (sigfd, &sigfd_set, 0); |
2761 | sigprocmask (SIG_BLOCK, &sigfd_set, 0);//D |
2809 | sigprocmask (SIG_UNBLOCK, &ss, 0); |
2762 | /*TODO: maybe unblock signal? */ |
|
|
2763 | } |
2810 | } |
2764 | else |
2811 | else |
2765 | #endif |
2812 | #endif |
2766 | signal (w->signum, SIG_DFL); |
2813 | signal (w->signum, SIG_DFL); |
2767 | } |
2814 | } |
2768 | |
2815 | |
2769 | EV_FREQUENT_CHECK; |
2816 | EV_FREQUENT_CHECK; |
2770 | } |
2817 | } |
… | |
… | |
2813 | #define MIN_STAT_INTERVAL 0.1074891 |
2860 | #define MIN_STAT_INTERVAL 0.1074891 |
2814 | |
2861 | |
2815 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2862 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2816 | |
2863 | |
2817 | #if EV_USE_INOTIFY |
2864 | #if EV_USE_INOTIFY |
2818 | # define EV_INOTIFY_BUFSIZE 8192 |
2865 | |
|
|
2866 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
|
|
2867 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
2819 | |
2868 | |
2820 | static void noinline |
2869 | static void noinline |
2821 | infy_add (EV_P_ ev_stat *w) |
2870 | infy_add (EV_P_ ev_stat *w) |
2822 | { |
2871 | { |
2823 | w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD); |
2872 | w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD); |
2824 | |
2873 | |
2825 | if (w->wd < 0) |
2874 | if (w->wd >= 0) |
|
|
2875 | { |
|
|
2876 | struct statfs sfs; |
|
|
2877 | |
|
|
2878 | /* now local changes will be tracked by inotify, but remote changes won't */ |
|
|
2879 | /* unless the filesystem is known to be local, we therefore still poll */ |
|
|
2880 | /* also do poll on <2.6.25, but with normal frequency */ |
|
|
2881 | |
|
|
2882 | if (!fs_2625) |
|
|
2883 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
|
|
2884 | else if (!statfs (w->path, &sfs) |
|
|
2885 | && (sfs.f_type == 0x1373 /* devfs */ |
|
|
2886 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
2887 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
2888 | || sfs.f_type == 0x52654973 /* reiser3 */ |
|
|
2889 | || sfs.f_type == 0x01021994 /* tempfs */ |
|
|
2890 | || sfs.f_type == 0x58465342 /* xfs */)) |
|
|
2891 | w->timer.repeat = 0.; /* filesystem is local, kernel new enough */ |
|
|
2892 | else |
|
|
2893 | w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */ |
2826 | { |
2894 | } |
|
|
2895 | else |
|
|
2896 | { |
|
|
2897 | /* can't use inotify, continue to stat */ |
2827 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
2898 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
2828 | ev_timer_again (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
|
|
2829 | |
2899 | |
2830 | /* monitor some parent directory for speedup hints */ |
2900 | /* if path is not there, monitor some parent directory for speedup hints */ |
2831 | /* note that exceeding the hardcoded path limit is not a correctness issue, */ |
2901 | /* note that exceeding the hardcoded path limit is not a correctness issue, */ |
2832 | /* but an efficiency issue only */ |
2902 | /* but an efficiency issue only */ |
2833 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2903 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2834 | { |
2904 | { |
2835 | char path [4096]; |
2905 | char path [4096]; |
… | |
… | |
2851 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2921 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2852 | } |
2922 | } |
2853 | } |
2923 | } |
2854 | |
2924 | |
2855 | if (w->wd >= 0) |
2925 | if (w->wd >= 0) |
2856 | { |
|
|
2857 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
2926 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
2858 | |
2927 | |
2859 | /* now local changes will be tracked by inotify, but remote changes won't */ |
2928 | /* now re-arm timer, if required */ |
2860 | /* unless the filesystem it known to be local, we therefore still poll */ |
2929 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
2861 | /* also do poll on <2.6.25, but with normal frequency */ |
|
|
2862 | struct statfs sfs; |
|
|
2863 | |
|
|
2864 | if (fs_2625 && !statfs (w->path, &sfs)) |
|
|
2865 | if (sfs.f_type == 0x1373 /* devfs */ |
|
|
2866 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
2867 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
2868 | || sfs.f_type == 0x52654973 /* reiser3 */ |
|
|
2869 | || sfs.f_type == 0x01021994 /* tempfs */ |
|
|
2870 | || sfs.f_type == 0x58465342 /* xfs */) |
|
|
2871 | return; |
|
|
2872 | |
|
|
2873 | w->timer.repeat = w->interval ? w->interval : fs_2625 ? NFS_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2874 | ev_timer_again (EV_A_ &w->timer); |
2930 | ev_timer_again (EV_A_ &w->timer); |
2875 | } |
2931 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
2876 | } |
2932 | } |
2877 | |
2933 | |
2878 | static void noinline |
2934 | static void noinline |
2879 | infy_del (EV_P_ ev_stat *w) |
2935 | infy_del (EV_P_ ev_stat *w) |
2880 | { |
2936 | { |
… | |
… | |
2925 | |
2981 | |
2926 | static void |
2982 | static void |
2927 | infy_cb (EV_P_ ev_io *w, int revents) |
2983 | infy_cb (EV_P_ ev_io *w, int revents) |
2928 | { |
2984 | { |
2929 | char buf [EV_INOTIFY_BUFSIZE]; |
2985 | char buf [EV_INOTIFY_BUFSIZE]; |
2930 | struct inotify_event *ev = (struct inotify_event *)buf; |
|
|
2931 | int ofs; |
2986 | int ofs; |
2932 | int len = read (fs_fd, buf, sizeof (buf)); |
2987 | int len = read (fs_fd, buf, sizeof (buf)); |
2933 | |
2988 | |
2934 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
2989 | for (ofs = 0; ofs < len; ) |
|
|
2990 | { |
|
|
2991 | struct inotify_event *ev = (struct inotify_event *)(buf + ofs); |
2935 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
2992 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
|
|
2993 | ofs += sizeof (struct inotify_event) + ev->len; |
|
|
2994 | } |
2936 | } |
2995 | } |
2937 | |
2996 | |
2938 | inline_size void |
2997 | inline_size void |
2939 | check_2625 (EV_P) |
2998 | check_2625 (EV_P) |
2940 | { |
2999 | { |
… | |
… | |
2956 | return; |
3015 | return; |
2957 | |
3016 | |
2958 | fs_2625 = 1; |
3017 | fs_2625 = 1; |
2959 | } |
3018 | } |
2960 | |
3019 | |
|
|
3020 | inline_size int |
|
|
3021 | infy_newfd (void) |
|
|
3022 | { |
|
|
3023 | #if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) |
|
|
3024 | int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); |
|
|
3025 | if (fd >= 0) |
|
|
3026 | return fd; |
|
|
3027 | #endif |
|
|
3028 | return inotify_init (); |
|
|
3029 | } |
|
|
3030 | |
2961 | inline_size void |
3031 | inline_size void |
2962 | infy_init (EV_P) |
3032 | infy_init (EV_P) |
2963 | { |
3033 | { |
2964 | if (fs_fd != -2) |
3034 | if (fs_fd != -2) |
2965 | return; |
3035 | return; |
2966 | |
3036 | |
2967 | fs_fd = -1; |
3037 | fs_fd = -1; |
2968 | |
3038 | |
2969 | check_2625 (EV_A); |
3039 | check_2625 (EV_A); |
2970 | |
3040 | |
2971 | fs_fd = inotify_init (); |
3041 | fs_fd = infy_newfd (); |
2972 | |
3042 | |
2973 | if (fs_fd >= 0) |
3043 | if (fs_fd >= 0) |
2974 | { |
3044 | { |
|
|
3045 | fd_intern (fs_fd); |
2975 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
3046 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
2976 | ev_set_priority (&fs_w, EV_MAXPRI); |
3047 | ev_set_priority (&fs_w, EV_MAXPRI); |
2977 | ev_io_start (EV_A_ &fs_w); |
3048 | ev_io_start (EV_A_ &fs_w); |
|
|
3049 | ev_unref (EV_A); |
2978 | } |
3050 | } |
2979 | } |
3051 | } |
2980 | |
3052 | |
2981 | inline_size void |
3053 | inline_size void |
2982 | infy_fork (EV_P) |
3054 | infy_fork (EV_P) |
… | |
… | |
2984 | int slot; |
3056 | int slot; |
2985 | |
3057 | |
2986 | if (fs_fd < 0) |
3058 | if (fs_fd < 0) |
2987 | return; |
3059 | return; |
2988 | |
3060 | |
|
|
3061 | ev_ref (EV_A); |
|
|
3062 | ev_io_stop (EV_A_ &fs_w); |
2989 | close (fs_fd); |
3063 | close (fs_fd); |
2990 | fs_fd = inotify_init (); |
3064 | fs_fd = infy_newfd (); |
|
|
3065 | |
|
|
3066 | if (fs_fd >= 0) |
|
|
3067 | { |
|
|
3068 | fd_intern (fs_fd); |
|
|
3069 | ev_io_set (&fs_w, fs_fd, EV_READ); |
|
|
3070 | ev_io_start (EV_A_ &fs_w); |
|
|
3071 | ev_unref (EV_A); |
|
|
3072 | } |
2991 | |
3073 | |
2992 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
3074 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
2993 | { |
3075 | { |
2994 | WL w_ = fs_hash [slot].head; |
3076 | WL w_ = fs_hash [slot].head; |
2995 | fs_hash [slot].head = 0; |
3077 | fs_hash [slot].head = 0; |
… | |
… | |
3002 | w->wd = -1; |
3084 | w->wd = -1; |
3003 | |
3085 | |
3004 | if (fs_fd >= 0) |
3086 | if (fs_fd >= 0) |
3005 | infy_add (EV_A_ w); /* re-add, no matter what */ |
3087 | infy_add (EV_A_ w); /* re-add, no matter what */ |
3006 | else |
3088 | else |
|
|
3089 | { |
|
|
3090 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
|
|
3091 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
3007 | ev_timer_again (EV_A_ &w->timer); |
3092 | ev_timer_again (EV_A_ &w->timer); |
|
|
3093 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
|
|
3094 | } |
3008 | } |
3095 | } |
3009 | } |
3096 | } |
3010 | } |
3097 | } |
3011 | |
3098 | |
3012 | #endif |
3099 | #endif |
… | |
… | |
3029 | static void noinline |
3116 | static void noinline |
3030 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
3117 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
3031 | { |
3118 | { |
3032 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
3119 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
3033 | |
3120 | |
3034 | /* we copy this here each the time so that */ |
3121 | ev_statdata prev = w->attr; |
3035 | /* prev has the old value when the callback gets invoked */ |
|
|
3036 | w->prev = w->attr; |
|
|
3037 | ev_stat_stat (EV_A_ w); |
3122 | ev_stat_stat (EV_A_ w); |
3038 | |
3123 | |
3039 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
3124 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
3040 | if ( |
3125 | if ( |
3041 | w->prev.st_dev != w->attr.st_dev |
3126 | prev.st_dev != w->attr.st_dev |
3042 | || w->prev.st_ino != w->attr.st_ino |
3127 | || prev.st_ino != w->attr.st_ino |
3043 | || w->prev.st_mode != w->attr.st_mode |
3128 | || prev.st_mode != w->attr.st_mode |
3044 | || w->prev.st_nlink != w->attr.st_nlink |
3129 | || prev.st_nlink != w->attr.st_nlink |
3045 | || w->prev.st_uid != w->attr.st_uid |
3130 | || prev.st_uid != w->attr.st_uid |
3046 | || w->prev.st_gid != w->attr.st_gid |
3131 | || prev.st_gid != w->attr.st_gid |
3047 | || w->prev.st_rdev != w->attr.st_rdev |
3132 | || prev.st_rdev != w->attr.st_rdev |
3048 | || w->prev.st_size != w->attr.st_size |
3133 | || prev.st_size != w->attr.st_size |
3049 | || w->prev.st_atime != w->attr.st_atime |
3134 | || prev.st_atime != w->attr.st_atime |
3050 | || w->prev.st_mtime != w->attr.st_mtime |
3135 | || prev.st_mtime != w->attr.st_mtime |
3051 | || w->prev.st_ctime != w->attr.st_ctime |
3136 | || prev.st_ctime != w->attr.st_ctime |
3052 | ) { |
3137 | ) { |
|
|
3138 | /* we only update w->prev on actual differences */ |
|
|
3139 | /* in case we test more often than invoke the callback, */ |
|
|
3140 | /* to ensure that prev is always different to attr */ |
|
|
3141 | w->prev = prev; |
|
|
3142 | |
3053 | #if EV_USE_INOTIFY |
3143 | #if EV_USE_INOTIFY |
3054 | if (fs_fd >= 0) |
3144 | if (fs_fd >= 0) |
3055 | { |
3145 | { |
3056 | infy_del (EV_A_ w); |
3146 | infy_del (EV_A_ w); |
3057 | infy_add (EV_A_ w); |
3147 | infy_add (EV_A_ w); |
… | |
… | |
3082 | |
3172 | |
3083 | if (fs_fd >= 0) |
3173 | if (fs_fd >= 0) |
3084 | infy_add (EV_A_ w); |
3174 | infy_add (EV_A_ w); |
3085 | else |
3175 | else |
3086 | #endif |
3176 | #endif |
|
|
3177 | { |
3087 | ev_timer_again (EV_A_ &w->timer); |
3178 | ev_timer_again (EV_A_ &w->timer); |
|
|
3179 | ev_unref (EV_A); |
|
|
3180 | } |
3088 | |
3181 | |
3089 | ev_start (EV_A_ (W)w, 1); |
3182 | ev_start (EV_A_ (W)w, 1); |
3090 | |
3183 | |
3091 | EV_FREQUENT_CHECK; |
3184 | EV_FREQUENT_CHECK; |
3092 | } |
3185 | } |
… | |
… | |
3101 | EV_FREQUENT_CHECK; |
3194 | EV_FREQUENT_CHECK; |
3102 | |
3195 | |
3103 | #if EV_USE_INOTIFY |
3196 | #if EV_USE_INOTIFY |
3104 | infy_del (EV_A_ w); |
3197 | infy_del (EV_A_ w); |
3105 | #endif |
3198 | #endif |
|
|
3199 | |
|
|
3200 | if (ev_is_active (&w->timer)) |
|
|
3201 | { |
|
|
3202 | ev_ref (EV_A); |
3106 | ev_timer_stop (EV_A_ &w->timer); |
3203 | ev_timer_stop (EV_A_ &w->timer); |
|
|
3204 | } |
3107 | |
3205 | |
3108 | ev_stop (EV_A_ (W)w); |
3206 | ev_stop (EV_A_ (W)w); |
3109 | |
3207 | |
3110 | EV_FREQUENT_CHECK; |
3208 | EV_FREQUENT_CHECK; |
3111 | } |
3209 | } |
… | |
… | |
3416 | |
3514 | |
3417 | void |
3515 | void |
3418 | ev_async_send (EV_P_ ev_async *w) |
3516 | ev_async_send (EV_P_ ev_async *w) |
3419 | { |
3517 | { |
3420 | w->sent = 1; |
3518 | w->sent = 1; |
3421 | evpipe_write (EV_A_ &gotasync); |
3519 | evpipe_write (EV_A_ &async_pending); |
3422 | } |
3520 | } |
3423 | #endif |
3521 | #endif |
3424 | |
3522 | |
3425 | /*****************************************************************************/ |
3523 | /*****************************************************************************/ |
3426 | |
3524 | |