… | |
… | |
186 | # endif |
186 | # endif |
187 | #endif |
187 | #endif |
188 | |
188 | |
189 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
189 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
190 | |
190 | |
|
|
191 | /* try to deduce the maximum number of signals on this platform */ |
|
|
192 | #if defined (EV_NSIG) |
|
|
193 | /* use what's provided */ |
|
|
194 | #elif defined (NSIG) |
|
|
195 | # define EV_NSIG (NSIG) |
|
|
196 | #elif defined(_NSIG) |
|
|
197 | # define EV_NSIG (_NSIG) |
|
|
198 | #elif defined (SIGMAX) |
|
|
199 | # define EV_NSIG (SIGMAX+1) |
|
|
200 | #elif defined (SIG_MAX) |
|
|
201 | # define EV_NSIG (SIG_MAX+1) |
|
|
202 | #elif defined (_SIG_MAX) |
|
|
203 | # define EV_NSIG (_SIG_MAX+1) |
|
|
204 | #elif defined (MAXSIG) |
|
|
205 | # define EV_NSIG (MAXSIG+1) |
|
|
206 | #elif defined (MAX_SIG) |
|
|
207 | # define EV_NSIG (MAX_SIG+1) |
|
|
208 | #elif defined (SIGARRAYSIZE) |
|
|
209 | # define EV_NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */ |
|
|
210 | #elif defined (_sys_nsig) |
|
|
211 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
|
|
212 | #else |
|
|
213 | # error "unable to find value for NSIG, please report" |
|
|
214 | /* to make it compile regardless, just remove the above line */ |
|
|
215 | # define EV_NSIG 65 |
|
|
216 | #endif |
|
|
217 | |
191 | #ifndef EV_USE_CLOCK_SYSCALL |
218 | #ifndef EV_USE_CLOCK_SYSCALL |
192 | # if __linux && __GLIBC__ >= 2 |
219 | # if __linux && __GLIBC__ >= 2 |
193 | # define EV_USE_CLOCK_SYSCALL 1 |
220 | # define EV_USE_CLOCK_SYSCALL 1 |
194 | # else |
221 | # else |
195 | # define EV_USE_CLOCK_SYSCALL 0 |
222 | # define EV_USE_CLOCK_SYSCALL 0 |
… | |
… | |
275 | # define EV_USE_EVENTFD 0 |
302 | # define EV_USE_EVENTFD 0 |
276 | # endif |
303 | # endif |
277 | #endif |
304 | #endif |
278 | |
305 | |
279 | #ifndef EV_USE_SIGNALFD |
306 | #ifndef EV_USE_SIGNALFD |
280 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 9)) |
307 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
281 | # define EV_USE_SIGNALFD 1 |
308 | # define EV_USE_SIGNALFD 1 |
282 | # else |
309 | # else |
283 | # define EV_USE_SIGNALFD 0 |
310 | # define EV_USE_SIGNALFD 0 |
284 | # endif |
311 | # endif |
285 | #endif |
312 | #endif |
… | |
… | |
359 | # include <stdint.h> |
386 | # include <stdint.h> |
360 | # ifndef EFD_NONBLOCK |
387 | # ifndef EFD_NONBLOCK |
361 | # define EFD_NONBLOCK O_NONBLOCK |
388 | # define EFD_NONBLOCK O_NONBLOCK |
362 | # endif |
389 | # endif |
363 | # ifndef EFD_CLOEXEC |
390 | # ifndef EFD_CLOEXEC |
|
|
391 | # ifdef O_CLOEXEC |
364 | # define EFD_CLOEXEC O_CLOEXEC |
392 | # define EFD_CLOEXEC O_CLOEXEC |
|
|
393 | # else |
|
|
394 | # define EFD_CLOEXEC 02000000 |
|
|
395 | # endif |
365 | # endif |
396 | # endif |
366 | # ifdef __cplusplus |
397 | # ifdef __cplusplus |
367 | extern "C" { |
398 | extern "C" { |
368 | # endif |
399 | # endif |
369 | int eventfd (unsigned int initval, int flags); |
400 | int eventfd (unsigned int initval, int flags); |
… | |
… | |
371 | } |
402 | } |
372 | # endif |
403 | # endif |
373 | #endif |
404 | #endif |
374 | |
405 | |
375 | #if EV_USE_SIGNALFD |
406 | #if EV_USE_SIGNALFD |
376 | # include <sys/signalfd.h> |
407 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
|
|
408 | # include <stdint.h> |
|
|
409 | # ifndef SFD_NONBLOCK |
|
|
410 | # define SFD_NONBLOCK O_NONBLOCK |
377 | #endif |
411 | # endif |
|
|
412 | # ifndef SFD_CLOEXEC |
|
|
413 | # ifdef O_CLOEXEC |
|
|
414 | # define SFD_CLOEXEC O_CLOEXEC |
|
|
415 | # else |
|
|
416 | # define SFD_CLOEXEC 02000000 |
|
|
417 | # endif |
|
|
418 | # endif |
|
|
419 | # ifdef __cplusplus |
|
|
420 | extern "C" { |
|
|
421 | # endif |
|
|
422 | int signalfd (int fd, const sigset_t *mask, int flags); |
|
|
423 | |
|
|
424 | struct signalfd_siginfo |
|
|
425 | { |
|
|
426 | uint32_t ssi_signo; |
|
|
427 | char pad[128 - sizeof (uint32_t)]; |
|
|
428 | }; |
|
|
429 | # ifdef __cplusplus |
|
|
430 | } |
|
|
431 | # endif |
|
|
432 | #endif |
|
|
433 | |
378 | |
434 | |
379 | /**/ |
435 | /**/ |
380 | |
436 | |
381 | #if EV_VERIFY >= 3 |
437 | #if EV_VERIFY >= 3 |
382 | # define EV_FREQUENT_CHECK ev_loop_verify (EV_A) |
438 | # define EV_FREQUENT_CHECK ev_loop_verify (EV_A) |
… | |
… | |
445 | |
501 | |
446 | #if EV_USE_MONOTONIC |
502 | #if EV_USE_MONOTONIC |
447 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
503 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
448 | #endif |
504 | #endif |
449 | |
505 | |
|
|
506 | #ifndef EV_FD_TO_WIN32_HANDLE |
|
|
507 | # define EV_FD_TO_WIN32_HANDLE(fd) _get_osfhandle (fd) |
|
|
508 | #endif |
|
|
509 | #ifndef EV_WIN32_HANDLE_TO_FD |
|
|
510 | # define EV_WIN32_HANDLE_TO_FD(handle) _open_osfhandle (fd, 0) |
|
|
511 | #endif |
|
|
512 | #ifndef EV_WIN32_CLOSE_FD |
|
|
513 | # define EV_WIN32_CLOSE_FD(fd) close (fd) |
|
|
514 | #endif |
|
|
515 | |
450 | #ifdef _WIN32 |
516 | #ifdef _WIN32 |
451 | # include "ev_win32.c" |
517 | # include "ev_win32.c" |
452 | #endif |
518 | #endif |
453 | |
519 | |
454 | /*****************************************************************************/ |
520 | /*****************************************************************************/ |
… | |
… | |
845 | |
911 | |
846 | #if EV_SELECT_IS_WINSOCKET |
912 | #if EV_SELECT_IS_WINSOCKET |
847 | if (events) |
913 | if (events) |
848 | { |
914 | { |
849 | unsigned long arg; |
915 | unsigned long arg; |
850 | #ifdef EV_FD_TO_WIN32_HANDLE |
|
|
851 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
916 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
852 | #else |
|
|
853 | anfd->handle = _get_osfhandle (fd); |
|
|
854 | #endif |
|
|
855 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
917 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
856 | } |
918 | } |
857 | #endif |
919 | #endif |
858 | |
920 | |
859 | { |
921 | { |
… | |
… | |
930 | |
992 | |
931 | for (fd = anfdmax; fd--; ) |
993 | for (fd = anfdmax; fd--; ) |
932 | if (anfds [fd].events) |
994 | if (anfds [fd].events) |
933 | { |
995 | { |
934 | fd_kill (EV_A_ fd); |
996 | fd_kill (EV_A_ fd); |
935 | return; |
997 | break; |
936 | } |
998 | } |
937 | } |
999 | } |
938 | |
1000 | |
939 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
1001 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
940 | static void noinline |
1002 | static void noinline |
… | |
… | |
1030 | |
1092 | |
1031 | for (;;) |
1093 | for (;;) |
1032 | { |
1094 | { |
1033 | int c = k << 1; |
1095 | int c = k << 1; |
1034 | |
1096 | |
1035 | if (c > N + HEAP0 - 1) |
1097 | if (c >= N + HEAP0) |
1036 | break; |
1098 | break; |
1037 | |
1099 | |
1038 | c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) |
1100 | c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) |
1039 | ? 1 : 0; |
1101 | ? 1 : 0; |
1040 | |
1102 | |
… | |
… | |
1076 | |
1138 | |
1077 | /* move an element suitably so it is in a correct place */ |
1139 | /* move an element suitably so it is in a correct place */ |
1078 | inline_size void |
1140 | inline_size void |
1079 | adjustheap (ANHE *heap, int N, int k) |
1141 | adjustheap (ANHE *heap, int N, int k) |
1080 | { |
1142 | { |
1081 | if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k])) |
1143 | if (k > HEAP0 && ANHE_at (heap [k]) <= ANHE_at (heap [HPARENT (k)])) |
1082 | upheap (heap, k); |
1144 | upheap (heap, k); |
1083 | else |
1145 | else |
1084 | downheap (heap, N, k); |
1146 | downheap (heap, N, k); |
1085 | } |
1147 | } |
1086 | |
1148 | |
… | |
… | |
1099 | /*****************************************************************************/ |
1161 | /*****************************************************************************/ |
1100 | |
1162 | |
1101 | /* associate signal watchers to a signal signal */ |
1163 | /* associate signal watchers to a signal signal */ |
1102 | typedef struct |
1164 | typedef struct |
1103 | { |
1165 | { |
|
|
1166 | EV_ATOMIC_T pending; |
|
|
1167 | #if EV_MULTIPLICITY |
|
|
1168 | EV_P; |
|
|
1169 | #endif |
1104 | WL head; |
1170 | WL head; |
1105 | EV_ATOMIC_T gotsig; |
|
|
1106 | } ANSIG; |
1171 | } ANSIG; |
1107 | |
1172 | |
1108 | static ANSIG *signals; |
1173 | static ANSIG signals [EV_NSIG - 1]; |
1109 | static int signalmax; |
|
|
1110 | |
|
|
1111 | static EV_ATOMIC_T gotsig; |
|
|
1112 | |
1174 | |
1113 | /*****************************************************************************/ |
1175 | /*****************************************************************************/ |
1114 | |
1176 | |
1115 | /* used to prepare libev internal fd's */ |
1177 | /* used to prepare libev internal fd's */ |
1116 | /* this is not fork-safe */ |
1178 | /* this is not fork-safe */ |
… | |
… | |
1184 | /* called whenever the libev signal pipe */ |
1246 | /* called whenever the libev signal pipe */ |
1185 | /* got some events (signal, async) */ |
1247 | /* got some events (signal, async) */ |
1186 | static void |
1248 | static void |
1187 | pipecb (EV_P_ ev_io *iow, int revents) |
1249 | pipecb (EV_P_ ev_io *iow, int revents) |
1188 | { |
1250 | { |
|
|
1251 | int i; |
|
|
1252 | |
1189 | #if EV_USE_EVENTFD |
1253 | #if EV_USE_EVENTFD |
1190 | if (evfd >= 0) |
1254 | if (evfd >= 0) |
1191 | { |
1255 | { |
1192 | uint64_t counter; |
1256 | uint64_t counter; |
1193 | read (evfd, &counter, sizeof (uint64_t)); |
1257 | read (evfd, &counter, sizeof (uint64_t)); |
… | |
… | |
1197 | { |
1261 | { |
1198 | char dummy; |
1262 | char dummy; |
1199 | read (evpipe [0], &dummy, 1); |
1263 | read (evpipe [0], &dummy, 1); |
1200 | } |
1264 | } |
1201 | |
1265 | |
1202 | if (gotsig && ev_is_default_loop (EV_A)) |
1266 | if (sig_pending) |
1203 | { |
1267 | { |
1204 | int signum; |
1268 | sig_pending = 0; |
1205 | gotsig = 0; |
|
|
1206 | |
1269 | |
1207 | for (signum = signalmax; signum--; ) |
1270 | for (i = EV_NSIG - 1; i--; ) |
1208 | if (signals [signum].gotsig) |
1271 | if (expect_false (signals [i].pending)) |
1209 | ev_feed_signal_event (EV_A_ signum + 1); |
1272 | ev_feed_signal_event (EV_A_ i + 1); |
1210 | } |
1273 | } |
1211 | |
1274 | |
1212 | #if EV_ASYNC_ENABLE |
1275 | #if EV_ASYNC_ENABLE |
1213 | if (gotasync) |
1276 | if (async_pending) |
1214 | { |
1277 | { |
1215 | int i; |
1278 | async_pending = 0; |
1216 | gotasync = 0; |
|
|
1217 | |
1279 | |
1218 | for (i = asynccnt; i--; ) |
1280 | for (i = asynccnt; i--; ) |
1219 | if (asyncs [i]->sent) |
1281 | if (asyncs [i]->sent) |
1220 | { |
1282 | { |
1221 | asyncs [i]->sent = 0; |
1283 | asyncs [i]->sent = 0; |
… | |
… | |
1229 | |
1291 | |
1230 | static void |
1292 | static void |
1231 | ev_sighandler (int signum) |
1293 | ev_sighandler (int signum) |
1232 | { |
1294 | { |
1233 | #if EV_MULTIPLICITY |
1295 | #if EV_MULTIPLICITY |
1234 | struct ev_loop *loop = &default_loop_struct; |
1296 | EV_P = signals [signum - 1].loop; |
1235 | #endif |
1297 | #endif |
1236 | |
1298 | |
1237 | #if _WIN32 |
1299 | #if _WIN32 |
1238 | signal (signum, ev_sighandler); |
1300 | signal (signum, ev_sighandler); |
1239 | #endif |
1301 | #endif |
1240 | |
1302 | |
1241 | signals [signum - 1].gotsig = 1; |
1303 | signals [signum - 1].pending = 1; |
1242 | evpipe_write (EV_A_ &gotsig); |
1304 | evpipe_write (EV_A_ &sig_pending); |
1243 | } |
1305 | } |
1244 | |
1306 | |
1245 | void noinline |
1307 | void noinline |
1246 | ev_feed_signal_event (EV_P_ int signum) |
1308 | ev_feed_signal_event (EV_P_ int signum) |
1247 | { |
1309 | { |
1248 | WL w; |
1310 | WL w; |
1249 | |
1311 | |
|
|
1312 | if (expect_false (signum <= 0 || signum > EV_NSIG)) |
|
|
1313 | return; |
|
|
1314 | |
|
|
1315 | --signum; |
|
|
1316 | |
1250 | #if EV_MULTIPLICITY |
1317 | #if EV_MULTIPLICITY |
1251 | assert (("libev: feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
1318 | /* it is permissible to try to feed a signal to the wrong loop */ |
1252 | #endif |
1319 | /* or, likely more useful, feeding a signal nobody is waiting for */ |
1253 | |
1320 | |
1254 | --signum; |
1321 | if (expect_false (signals [signum].loop != EV_A)) |
1255 | |
|
|
1256 | if (signum < 0 || signum >= signalmax) |
|
|
1257 | return; |
1322 | return; |
|
|
1323 | #endif |
1258 | |
1324 | |
1259 | signals [signum].gotsig = 0; |
1325 | signals [signum].pending = 0; |
1260 | |
1326 | |
1261 | for (w = signals [signum].head; w; w = w->next) |
1327 | for (w = signals [signum].head; w; w = w->next) |
1262 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
1328 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
1263 | } |
1329 | } |
1264 | |
1330 | |
1265 | #if EV_USE_SIGNALFD |
1331 | #if EV_USE_SIGNALFD |
1266 | static void |
1332 | static void |
1267 | sigfdcb (EV_P_ ev_io *iow, int revents) |
1333 | sigfdcb (EV_P_ ev_io *iow, int revents) |
1268 | { |
1334 | { |
1269 | struct signalfd_siginfo si[4], *sip; |
1335 | struct signalfd_siginfo si[2], *sip; /* these structs are big */ |
1270 | |
1336 | |
1271 | for (;;) |
1337 | for (;;) |
1272 | { |
1338 | { |
1273 | ssize_t res = read (sigfd, si, sizeof (si)); |
1339 | ssize_t res = read (sigfd, si, sizeof (si)); |
1274 | |
1340 | |
… | |
… | |
1508 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1574 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1509 | have_monotonic = 1; |
1575 | have_monotonic = 1; |
1510 | } |
1576 | } |
1511 | #endif |
1577 | #endif |
1512 | |
1578 | |
|
|
1579 | /* pid check not overridable via env */ |
|
|
1580 | #ifndef _WIN32 |
|
|
1581 | if (flags & EVFLAG_FORKCHECK) |
|
|
1582 | curpid = getpid (); |
|
|
1583 | #endif |
|
|
1584 | |
|
|
1585 | if (!(flags & EVFLAG_NOENV) |
|
|
1586 | && !enable_secure () |
|
|
1587 | && getenv ("LIBEV_FLAGS")) |
|
|
1588 | flags = atoi (getenv ("LIBEV_FLAGS")); |
|
|
1589 | |
1513 | ev_rt_now = ev_time (); |
1590 | ev_rt_now = ev_time (); |
1514 | mn_now = get_clock (); |
1591 | mn_now = get_clock (); |
1515 | now_floor = mn_now; |
1592 | now_floor = mn_now; |
1516 | rtmn_diff = ev_rt_now - mn_now; |
1593 | rtmn_diff = ev_rt_now - mn_now; |
1517 | #if EV_MINIMAL < 2 |
1594 | #if EV_MINIMAL < 2 |
… | |
… | |
1520 | |
1597 | |
1521 | io_blocktime = 0.; |
1598 | io_blocktime = 0.; |
1522 | timeout_blocktime = 0.; |
1599 | timeout_blocktime = 0.; |
1523 | backend = 0; |
1600 | backend = 0; |
1524 | backend_fd = -1; |
1601 | backend_fd = -1; |
1525 | gotasync = 0; |
1602 | sig_pending = 0; |
|
|
1603 | #if EV_ASYNC_ENABLE |
|
|
1604 | async_pending = 0; |
|
|
1605 | #endif |
1526 | #if EV_USE_INOTIFY |
1606 | #if EV_USE_INOTIFY |
1527 | fs_fd = -2; |
1607 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
1528 | #endif |
1608 | #endif |
1529 | #if EV_USE_SIGNALFD |
1609 | #if EV_USE_SIGNALFD |
1530 | sigfd = -2; |
1610 | sigfd = flags & EVFLAG_NOSIGFD ? -1 : -2; |
1531 | #endif |
1611 | #endif |
1532 | |
|
|
1533 | /* pid check not overridable via env */ |
|
|
1534 | #ifndef _WIN32 |
|
|
1535 | if (flags & EVFLAG_FORKCHECK) |
|
|
1536 | curpid = getpid (); |
|
|
1537 | #endif |
|
|
1538 | |
|
|
1539 | if (!(flags & EVFLAG_NOENV) |
|
|
1540 | && !enable_secure () |
|
|
1541 | && getenv ("LIBEV_FLAGS")) |
|
|
1542 | flags = atoi (getenv ("LIBEV_FLAGS")); |
|
|
1543 | |
1612 | |
1544 | if (!(flags & 0x0000ffffU)) |
1613 | if (!(flags & 0x0000ffffU)) |
1545 | flags |= ev_recommended_backends (); |
1614 | flags |= ev_recommended_backends (); |
1546 | |
1615 | |
1547 | #if EV_USE_PORT |
1616 | #if EV_USE_PORT |
… | |
… | |
1583 | close (evfd); |
1652 | close (evfd); |
1584 | #endif |
1653 | #endif |
1585 | |
1654 | |
1586 | if (evpipe [0] >= 0) |
1655 | if (evpipe [0] >= 0) |
1587 | { |
1656 | { |
1588 | close (evpipe [0]); |
1657 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1589 | close (evpipe [1]); |
1658 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1590 | } |
1659 | } |
1591 | } |
1660 | } |
1592 | |
1661 | |
1593 | #if EV_USE_SIGNALFD |
1662 | #if EV_USE_SIGNALFD |
1594 | if (ev_is_active (&sigfd_w)) |
1663 | if (ev_is_active (&sigfd_w)) |
… | |
… | |
1630 | #if EV_IDLE_ENABLE |
1699 | #if EV_IDLE_ENABLE |
1631 | array_free (idle, [i]); |
1700 | array_free (idle, [i]); |
1632 | #endif |
1701 | #endif |
1633 | } |
1702 | } |
1634 | |
1703 | |
1635 | ev_free (anfds); anfdmax = 0; |
1704 | ev_free (anfds); anfds = 0; anfdmax = 0; |
1636 | |
1705 | |
1637 | /* have to use the microsoft-never-gets-it-right macro */ |
1706 | /* have to use the microsoft-never-gets-it-right macro */ |
1638 | array_free (rfeed, EMPTY); |
1707 | array_free (rfeed, EMPTY); |
1639 | array_free (fdchange, EMPTY); |
1708 | array_free (fdchange, EMPTY); |
1640 | array_free (timer, EMPTY); |
1709 | array_free (timer, EMPTY); |
… | |
… | |
1675 | |
1744 | |
1676 | if (ev_is_active (&pipe_w)) |
1745 | if (ev_is_active (&pipe_w)) |
1677 | { |
1746 | { |
1678 | /* this "locks" the handlers against writing to the pipe */ |
1747 | /* this "locks" the handlers against writing to the pipe */ |
1679 | /* while we modify the fd vars */ |
1748 | /* while we modify the fd vars */ |
1680 | gotsig = 1; |
1749 | sig_pending = 1; |
1681 | #if EV_ASYNC_ENABLE |
1750 | #if EV_ASYNC_ENABLE |
1682 | gotasync = 1; |
1751 | async_pending = 1; |
1683 | #endif |
1752 | #endif |
1684 | |
1753 | |
1685 | ev_ref (EV_A); |
1754 | ev_ref (EV_A); |
1686 | ev_io_stop (EV_A_ &pipe_w); |
1755 | ev_io_stop (EV_A_ &pipe_w); |
1687 | |
1756 | |
… | |
… | |
1690 | close (evfd); |
1759 | close (evfd); |
1691 | #endif |
1760 | #endif |
1692 | |
1761 | |
1693 | if (evpipe [0] >= 0) |
1762 | if (evpipe [0] >= 0) |
1694 | { |
1763 | { |
1695 | close (evpipe [0]); |
1764 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1696 | close (evpipe [1]); |
1765 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1697 | } |
1766 | } |
1698 | |
1767 | |
1699 | evpipe_init (EV_A); |
1768 | evpipe_init (EV_A); |
1700 | /* now iterate over everything, in case we missed something */ |
1769 | /* now iterate over everything, in case we missed something */ |
1701 | pipecb (EV_A_ &pipe_w, EV_READ); |
1770 | pipecb (EV_A_ &pipe_w, EV_READ); |
… | |
… | |
1707 | #if EV_MULTIPLICITY |
1776 | #if EV_MULTIPLICITY |
1708 | |
1777 | |
1709 | struct ev_loop * |
1778 | struct ev_loop * |
1710 | ev_loop_new (unsigned int flags) |
1779 | ev_loop_new (unsigned int flags) |
1711 | { |
1780 | { |
1712 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1781 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1713 | |
1782 | |
1714 | memset (loop, 0, sizeof (struct ev_loop)); |
1783 | memset (EV_A, 0, sizeof (struct ev_loop)); |
1715 | loop_init (EV_A_ flags); |
1784 | loop_init (EV_A_ flags); |
1716 | |
1785 | |
1717 | if (ev_backend (EV_A)) |
1786 | if (ev_backend (EV_A)) |
1718 | return loop; |
1787 | return EV_A; |
1719 | |
1788 | |
1720 | return 0; |
1789 | return 0; |
1721 | } |
1790 | } |
1722 | |
1791 | |
1723 | void |
1792 | void |
… | |
… | |
1827 | assert (checkmax >= checkcnt); |
1896 | assert (checkmax >= checkcnt); |
1828 | array_verify (EV_A_ (W *)checks, checkcnt); |
1897 | array_verify (EV_A_ (W *)checks, checkcnt); |
1829 | |
1898 | |
1830 | # if 0 |
1899 | # if 0 |
1831 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1900 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1832 | for (signum = signalmax; signum--; ) if (signals [signum].gotsig) |
1901 | for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) |
1833 | # endif |
1902 | # endif |
1834 | #endif |
1903 | #endif |
1835 | } |
1904 | } |
1836 | #endif |
1905 | #endif |
1837 | |
1906 | |
… | |
… | |
1844 | #endif |
1913 | #endif |
1845 | { |
1914 | { |
1846 | if (!ev_default_loop_ptr) |
1915 | if (!ev_default_loop_ptr) |
1847 | { |
1916 | { |
1848 | #if EV_MULTIPLICITY |
1917 | #if EV_MULTIPLICITY |
1849 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
1918 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
1850 | #else |
1919 | #else |
1851 | ev_default_loop_ptr = 1; |
1920 | ev_default_loop_ptr = 1; |
1852 | #endif |
1921 | #endif |
1853 | |
1922 | |
1854 | loop_init (EV_A_ flags); |
1923 | loop_init (EV_A_ flags); |
… | |
… | |
1871 | |
1940 | |
1872 | void |
1941 | void |
1873 | ev_default_destroy (void) |
1942 | ev_default_destroy (void) |
1874 | { |
1943 | { |
1875 | #if EV_MULTIPLICITY |
1944 | #if EV_MULTIPLICITY |
1876 | struct ev_loop *loop = ev_default_loop_ptr; |
1945 | EV_P = ev_default_loop_ptr; |
1877 | #endif |
1946 | #endif |
1878 | |
1947 | |
1879 | ev_default_loop_ptr = 0; |
1948 | ev_default_loop_ptr = 0; |
1880 | |
1949 | |
1881 | #ifndef _WIN32 |
1950 | #ifndef _WIN32 |
… | |
… | |
1888 | |
1957 | |
1889 | void |
1958 | void |
1890 | ev_default_fork (void) |
1959 | ev_default_fork (void) |
1891 | { |
1960 | { |
1892 | #if EV_MULTIPLICITY |
1961 | #if EV_MULTIPLICITY |
1893 | struct ev_loop *loop = ev_default_loop_ptr; |
1962 | EV_P = ev_default_loop_ptr; |
1894 | #endif |
1963 | #endif |
1895 | |
1964 | |
1896 | postfork = 1; /* must be in line with ev_loop_fork */ |
1965 | postfork = 1; /* must be in line with ev_loop_fork */ |
1897 | } |
1966 | } |
1898 | |
1967 | |
… | |
… | |
2364 | inline_size void |
2433 | inline_size void |
2365 | wlist_del (WL *head, WL elem) |
2434 | wlist_del (WL *head, WL elem) |
2366 | { |
2435 | { |
2367 | while (*head) |
2436 | while (*head) |
2368 | { |
2437 | { |
2369 | if (*head == elem) |
2438 | if (expect_true (*head == elem)) |
2370 | { |
2439 | { |
2371 | *head = elem->next; |
2440 | *head = elem->next; |
2372 | return; |
2441 | break; |
2373 | } |
2442 | } |
2374 | |
2443 | |
2375 | head = &(*head)->next; |
2444 | head = &(*head)->next; |
2376 | } |
2445 | } |
2377 | } |
2446 | } |
… | |
… | |
2631 | #endif |
2700 | #endif |
2632 | |
2701 | |
2633 | void noinline |
2702 | void noinline |
2634 | ev_signal_start (EV_P_ ev_signal *w) |
2703 | ev_signal_start (EV_P_ ev_signal *w) |
2635 | { |
2704 | { |
2636 | #if EV_MULTIPLICITY |
|
|
2637 | assert (("libev: signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
|
|
2638 | #endif |
|
|
2639 | if (expect_false (ev_is_active (w))) |
2705 | if (expect_false (ev_is_active (w))) |
2640 | return; |
2706 | return; |
2641 | |
2707 | |
2642 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0)); |
2708 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
|
|
2709 | |
|
|
2710 | #if EV_MULTIPLICITY |
|
|
2711 | assert (("libev: a signal must not be attached to two different loops", |
|
|
2712 | !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop)); |
|
|
2713 | |
|
|
2714 | signals [w->signum - 1].loop = EV_A; |
|
|
2715 | #endif |
2643 | |
2716 | |
2644 | EV_FREQUENT_CHECK; |
2717 | EV_FREQUENT_CHECK; |
2645 | |
2718 | |
2646 | #if EV_USE_SIGNALFD |
2719 | #if EV_USE_SIGNALFD |
2647 | if (sigfd == -2) |
2720 | if (sigfd == -2) |
… | |
… | |
2669 | sigaddset (&sigfd_set, w->signum); |
2742 | sigaddset (&sigfd_set, w->signum); |
2670 | sigprocmask (SIG_BLOCK, &sigfd_set, 0); |
2743 | sigprocmask (SIG_BLOCK, &sigfd_set, 0); |
2671 | |
2744 | |
2672 | signalfd (sigfd, &sigfd_set, 0); |
2745 | signalfd (sigfd, &sigfd_set, 0); |
2673 | } |
2746 | } |
2674 | else |
|
|
2675 | #endif |
2747 | #endif |
2676 | evpipe_init (EV_A); |
|
|
2677 | |
|
|
2678 | { |
|
|
2679 | #ifndef _WIN32 |
|
|
2680 | sigset_t full, prev; |
|
|
2681 | sigfillset (&full); |
|
|
2682 | sigprocmask (SIG_SETMASK, &full, &prev); |
|
|
2683 | #endif |
|
|
2684 | |
|
|
2685 | array_needsize (ANSIG, signals, signalmax, w->signum, array_init_zero); |
|
|
2686 | |
|
|
2687 | #ifndef _WIN32 |
|
|
2688 | if (sigfd < 0)/*TODO*/ |
|
|
2689 | sigdelset (&prev, w->signum); |
|
|
2690 | sigprocmask (SIG_SETMASK, &prev, 0); |
|
|
2691 | #endif |
|
|
2692 | } |
|
|
2693 | |
2748 | |
2694 | ev_start (EV_A_ (W)w, 1); |
2749 | ev_start (EV_A_ (W)w, 1); |
2695 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
2750 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
2696 | |
2751 | |
2697 | if (!((WL)w)->next) |
2752 | if (!((WL)w)->next) |
|
|
2753 | # if EV_USE_SIGNALFD |
|
|
2754 | if (sigfd < 0) /*TODO*/ |
|
|
2755 | # endif |
2698 | { |
2756 | { |
2699 | #if _WIN32 |
2757 | # if _WIN32 |
2700 | signal (w->signum, ev_sighandler); |
2758 | signal (w->signum, ev_sighandler); |
2701 | #else |
2759 | # else |
2702 | if (sigfd < 0) /*TODO*/ |
|
|
2703 | { |
|
|
2704 | struct sigaction sa = { }; |
2760 | struct sigaction sa; |
|
|
2761 | |
|
|
2762 | evpipe_init (EV_A); |
|
|
2763 | |
2705 | sa.sa_handler = ev_sighandler; |
2764 | sa.sa_handler = ev_sighandler; |
2706 | sigfillset (&sa.sa_mask); |
2765 | sigfillset (&sa.sa_mask); |
2707 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2766 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2708 | sigaction (w->signum, &sa, 0); |
2767 | sigaction (w->signum, &sa, 0); |
|
|
2768 | |
|
|
2769 | sigemptyset (&sa.sa_mask); |
|
|
2770 | sigaddset (&sa.sa_mask, w->signum); |
|
|
2771 | sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0); |
|
|
2772 | #endif |
2709 | } |
2773 | } |
2710 | #endif |
|
|
2711 | } |
|
|
2712 | |
2774 | |
2713 | EV_FREQUENT_CHECK; |
2775 | EV_FREQUENT_CHECK; |
2714 | } |
2776 | } |
2715 | |
2777 | |
2716 | void noinline |
2778 | void noinline |
… | |
… | |
2724 | |
2786 | |
2725 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2787 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2726 | ev_stop (EV_A_ (W)w); |
2788 | ev_stop (EV_A_ (W)w); |
2727 | |
2789 | |
2728 | if (!signals [w->signum - 1].head) |
2790 | if (!signals [w->signum - 1].head) |
|
|
2791 | { |
|
|
2792 | #if EV_MULTIPLICITY |
|
|
2793 | signals [w->signum - 1].loop = 0; /* unattach from signal */ |
|
|
2794 | #endif |
2729 | #if EV_USE_SIGNALFD |
2795 | #if EV_USE_SIGNALFD |
2730 | if (sigfd >= 0) |
2796 | if (sigfd >= 0) |
2731 | { |
2797 | { |
2732 | sigprocmask (SIG_UNBLOCK, &sigfd_set, 0);//D |
2798 | sigprocmask (SIG_UNBLOCK, &sigfd_set, 0);//D |
2733 | sigdelset (&sigfd_set, w->signum); |
2799 | sigdelset (&sigfd_set, w->signum); |
2734 | signalfd (sigfd, &sigfd_set, 0); |
2800 | signalfd (sigfd, &sigfd_set, 0); |
2735 | sigprocmask (SIG_BLOCK, &sigfd_set, 0);//D |
2801 | sigprocmask (SIG_BLOCK, &sigfd_set, 0);//D |
2736 | /*TODO: maybe unblock signal? */ |
2802 | /*TODO: maybe unblock signal? */ |
2737 | } |
2803 | } |
2738 | else |
2804 | else |
2739 | #endif |
2805 | #endif |
2740 | signal (w->signum, SIG_DFL); |
2806 | signal (w->signum, SIG_DFL); |
|
|
2807 | } |
2741 | |
2808 | |
2742 | EV_FREQUENT_CHECK; |
2809 | EV_FREQUENT_CHECK; |
2743 | } |
2810 | } |
2744 | |
2811 | |
2745 | void |
2812 | void |
… | |
… | |
2825 | } |
2892 | } |
2826 | } |
2893 | } |
2827 | |
2894 | |
2828 | if (w->wd >= 0) |
2895 | if (w->wd >= 0) |
2829 | { |
2896 | { |
|
|
2897 | struct statfs sfs; |
|
|
2898 | |
2830 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
2899 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
2831 | |
2900 | |
2832 | /* now local changes will be tracked by inotify, but remote changes won't */ |
2901 | /* now local changes will be tracked by inotify, but remote changes won't */ |
2833 | /* unless the filesystem it known to be local, we therefore still poll */ |
2902 | /* unless the filesystem it known to be local, we therefore still poll */ |
2834 | /* also do poll on <2.6.25, but with normal frequency */ |
2903 | /* also do poll on <2.6.25, but with normal frequency */ |
2835 | struct statfs sfs; |
|
|
2836 | |
2904 | |
2837 | if (fs_2625 && !statfs (w->path, &sfs)) |
2905 | if (fs_2625 && !statfs (w->path, &sfs)) |
2838 | if (sfs.f_type == 0x1373 /* devfs */ |
2906 | if (sfs.f_type == 0x1373 /* devfs */ |
2839 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
2907 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
2840 | || sfs.f_type == 0x3153464a /* jfs */ |
2908 | || sfs.f_type == 0x3153464a /* jfs */ |
… | |
… | |
3225 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3293 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3226 | { |
3294 | { |
3227 | ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare)); |
3295 | ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare)); |
3228 | |
3296 | |
3229 | { |
3297 | { |
3230 | struct ev_loop *loop = w->other; |
3298 | EV_P = w->other; |
3231 | |
3299 | |
3232 | while (fdchangecnt) |
3300 | while (fdchangecnt) |
3233 | { |
3301 | { |
3234 | fd_reify (EV_A); |
3302 | fd_reify (EV_A); |
3235 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3303 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
… | |
… | |
3243 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
3311 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
3244 | |
3312 | |
3245 | ev_embed_stop (EV_A_ w); |
3313 | ev_embed_stop (EV_A_ w); |
3246 | |
3314 | |
3247 | { |
3315 | { |
3248 | struct ev_loop *loop = w->other; |
3316 | EV_P = w->other; |
3249 | |
3317 | |
3250 | ev_loop_fork (EV_A); |
3318 | ev_loop_fork (EV_A); |
3251 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3319 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3252 | } |
3320 | } |
3253 | |
3321 | |
… | |
… | |
3267 | { |
3335 | { |
3268 | if (expect_false (ev_is_active (w))) |
3336 | if (expect_false (ev_is_active (w))) |
3269 | return; |
3337 | return; |
3270 | |
3338 | |
3271 | { |
3339 | { |
3272 | struct ev_loop *loop = w->other; |
3340 | EV_P = w->other; |
3273 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
3341 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
3274 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
3342 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
3275 | } |
3343 | } |
3276 | |
3344 | |
3277 | EV_FREQUENT_CHECK; |
3345 | EV_FREQUENT_CHECK; |
… | |
… | |
3389 | |
3457 | |
3390 | void |
3458 | void |
3391 | ev_async_send (EV_P_ ev_async *w) |
3459 | ev_async_send (EV_P_ ev_async *w) |
3392 | { |
3460 | { |
3393 | w->sent = 1; |
3461 | w->sent = 1; |
3394 | evpipe_write (EV_A_ &gotasync); |
3462 | evpipe_write (EV_A_ &async_pending); |
3395 | } |
3463 | } |
3396 | #endif |
3464 | #endif |
3397 | |
3465 | |
3398 | /*****************************************************************************/ |
3466 | /*****************************************************************************/ |
3399 | |
3467 | |
… | |
… | |
3548 | if (types & EV_CHECK) |
3616 | if (types & EV_CHECK) |
3549 | for (i = checkcnt; i--; ) |
3617 | for (i = checkcnt; i--; ) |
3550 | cb (EV_A_ EV_CHECK, checks [i]); |
3618 | cb (EV_A_ EV_CHECK, checks [i]); |
3551 | |
3619 | |
3552 | if (types & EV_SIGNAL) |
3620 | if (types & EV_SIGNAL) |
3553 | for (i = 0; i < signalmax; ++i) |
3621 | for (i = 0; i < EV_NSIG - 1; ++i) |
3554 | for (wl = signals [i].head; wl; ) |
3622 | for (wl = signals [i].head; wl; ) |
3555 | { |
3623 | { |
3556 | wn = wl->next; |
3624 | wn = wl->next; |
3557 | cb (EV_A_ EV_SIGNAL, wl); |
3625 | cb (EV_A_ EV_SIGNAL, wl); |
3558 | wl = wn; |
3626 | wl = wn; |