… | |
… | |
133 | # else |
133 | # else |
134 | # define EV_USE_INOTIFY 0 |
134 | # define EV_USE_INOTIFY 0 |
135 | # endif |
135 | # endif |
136 | # endif |
136 | # endif |
137 | |
137 | |
|
|
138 | # ifndef EV_USE_SIGNALFD |
|
|
139 | # if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H |
|
|
140 | # define EV_USE_SIGNALFD 1 |
|
|
141 | # else |
|
|
142 | # define EV_USE_SIGNALFD 0 |
|
|
143 | # endif |
|
|
144 | # endif |
|
|
145 | |
138 | # ifndef EV_USE_EVENTFD |
146 | # ifndef EV_USE_EVENTFD |
139 | # if HAVE_EVENTFD |
147 | # if HAVE_EVENTFD |
140 | # define EV_USE_EVENTFD 1 |
148 | # define EV_USE_EVENTFD 1 |
141 | # else |
149 | # else |
142 | # define EV_USE_EVENTFD 0 |
150 | # define EV_USE_EVENTFD 0 |
… | |
… | |
178 | # endif |
186 | # endif |
179 | #endif |
187 | #endif |
180 | |
188 | |
181 | /* 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 */ |
182 | |
190 | |
|
|
191 | /* 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 | /* use what's provided */ |
|
|
195 | #elif defined (NSIG) |
|
|
196 | # define EV_NSIG (NSIG) |
|
|
197 | #elif defined(_NSIG) |
|
|
198 | # define EV_NSIG (_NSIG) |
|
|
199 | #elif defined (SIGMAX) |
|
|
200 | # define EV_NSIG (SIGMAX+1) |
|
|
201 | #elif defined (SIG_MAX) |
|
|
202 | # define EV_NSIG (SIG_MAX+1) |
|
|
203 | #elif defined (_SIG_MAX) |
|
|
204 | # define EV_NSIG (_SIG_MAX+1) |
|
|
205 | #elif defined (MAXSIG) |
|
|
206 | # define EV_NSIG (MAXSIG+1) |
|
|
207 | #elif defined (MAX_SIG) |
|
|
208 | # define EV_NSIG (MAX_SIG+1) |
|
|
209 | #elif defined (SIGARRAYSIZE) |
|
|
210 | # define EV_NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */ |
|
|
211 | #elif defined (_sys_nsig) |
|
|
212 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
|
|
213 | #else |
|
|
214 | # error "unable to find value for NSIG, please report" |
|
|
215 | /* to make it compile regardless, just remove the above line */ |
|
|
216 | # define EV_NSIG 65 |
|
|
217 | #endif |
|
|
218 | |
183 | #ifndef EV_USE_CLOCK_SYSCALL |
219 | #ifndef EV_USE_CLOCK_SYSCALL |
184 | # if __linux && __GLIBC__ >= 2 |
220 | # if __linux && __GLIBC__ >= 2 |
185 | # define EV_USE_CLOCK_SYSCALL 1 |
221 | # define EV_USE_CLOCK_SYSCALL 1 |
186 | # else |
222 | # else |
187 | # define EV_USE_CLOCK_SYSCALL 0 |
223 | # define EV_USE_CLOCK_SYSCALL 0 |
… | |
… | |
263 | #ifndef EV_USE_EVENTFD |
299 | #ifndef EV_USE_EVENTFD |
264 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
300 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
265 | # define EV_USE_EVENTFD 1 |
301 | # define EV_USE_EVENTFD 1 |
266 | # else |
302 | # else |
267 | # define EV_USE_EVENTFD 0 |
303 | # define EV_USE_EVENTFD 0 |
|
|
304 | # endif |
|
|
305 | #endif |
|
|
306 | |
|
|
307 | #ifndef EV_USE_SIGNALFD |
|
|
308 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 9)) |
|
|
309 | # define EV_USE_SIGNALFD 1 |
|
|
310 | # else |
|
|
311 | # define EV_USE_SIGNALFD 0 |
268 | # endif |
312 | # endif |
269 | #endif |
313 | #endif |
270 | |
314 | |
271 | #if 0 /* debugging */ |
315 | #if 0 /* debugging */ |
272 | # define EV_VERIFY 3 |
316 | # define EV_VERIFY 3 |
… | |
… | |
339 | #endif |
383 | #endif |
340 | |
384 | |
341 | #if EV_USE_EVENTFD |
385 | #if EV_USE_EVENTFD |
342 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
386 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
343 | # include <stdint.h> |
387 | # include <stdint.h> |
|
|
388 | # ifndef EFD_NONBLOCK |
|
|
389 | # define EFD_NONBLOCK O_NONBLOCK |
|
|
390 | # endif |
|
|
391 | # ifndef EFD_CLOEXEC |
|
|
392 | # define EFD_CLOEXEC O_CLOEXEC |
|
|
393 | # endif |
344 | # ifdef __cplusplus |
394 | # ifdef __cplusplus |
345 | extern "C" { |
395 | extern "C" { |
346 | # endif |
396 | # endif |
347 | int eventfd (unsigned int initval, int flags); |
397 | int eventfd (unsigned int initval, int flags); |
348 | # ifdef __cplusplus |
398 | # ifdef __cplusplus |
349 | } |
399 | } |
350 | # endif |
400 | # endif |
|
|
401 | #endif |
|
|
402 | |
|
|
403 | #if EV_USE_SIGNALFD |
|
|
404 | # include <sys/signalfd.h> |
351 | #endif |
405 | #endif |
352 | |
406 | |
353 | /**/ |
407 | /**/ |
354 | |
408 | |
355 | #if EV_VERIFY >= 3 |
409 | #if EV_VERIFY >= 3 |
… | |
… | |
647 | |
701 | |
648 | tv.tv_sec = (time_t)delay; |
702 | tv.tv_sec = (time_t)delay; |
649 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
703 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
650 | |
704 | |
651 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
705 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
652 | /* somehting not guaranteed by newer posix versions, but guaranteed */ |
706 | /* something not guaranteed by newer posix versions, but guaranteed */ |
653 | /* by older ones */ |
707 | /* by older ones */ |
654 | select (0, 0, 0, 0, &tv); |
708 | select (0, 0, 0, 0, &tv); |
655 | #endif |
709 | #endif |
656 | } |
710 | } |
657 | } |
711 | } |
… | |
… | |
1073 | /*****************************************************************************/ |
1127 | /*****************************************************************************/ |
1074 | |
1128 | |
1075 | /* associate signal watchers to a signal signal */ |
1129 | /* associate signal watchers to a signal signal */ |
1076 | typedef struct |
1130 | typedef struct |
1077 | { |
1131 | { |
|
|
1132 | #if EV_MULTIPLICITY |
|
|
1133 | EV_P; |
|
|
1134 | #endif |
1078 | WL head; |
1135 | WL head; |
1079 | EV_ATOMIC_T gotsig; |
1136 | EV_ATOMIC_T gotsig; |
1080 | } ANSIG; |
1137 | } ANSIG; |
1081 | |
1138 | |
1082 | static ANSIG *signals; |
1139 | static ANSIG signals [EV_NSIG - 1]; |
1083 | static int signalmax; |
|
|
1084 | |
|
|
1085 | static EV_ATOMIC_T gotsig; |
1140 | static EV_ATOMIC_T gotsig; |
1086 | |
1141 | |
1087 | /*****************************************************************************/ |
1142 | /*****************************************************************************/ |
1088 | |
1143 | |
1089 | /* used to prepare libev internal fd's */ |
1144 | /* used to prepare libev internal fd's */ |
… | |
… | |
1104 | evpipe_init (EV_P) |
1159 | evpipe_init (EV_P) |
1105 | { |
1160 | { |
1106 | if (!ev_is_active (&pipe_w)) |
1161 | if (!ev_is_active (&pipe_w)) |
1107 | { |
1162 | { |
1108 | #if EV_USE_EVENTFD |
1163 | #if EV_USE_EVENTFD |
|
|
1164 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
|
|
1165 | if (evfd < 0 && errno == EINVAL) |
1109 | if ((evfd = eventfd (0, 0)) >= 0) |
1166 | evfd = eventfd (0, 0); |
|
|
1167 | |
|
|
1168 | if (evfd >= 0) |
1110 | { |
1169 | { |
1111 | evpipe [0] = -1; |
1170 | evpipe [0] = -1; |
1112 | fd_intern (evfd); |
1171 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
1113 | ev_io_set (&pipe_w, evfd, EV_READ); |
1172 | ev_io_set (&pipe_w, evfd, EV_READ); |
1114 | } |
1173 | } |
1115 | else |
1174 | else |
1116 | #endif |
1175 | #endif |
1117 | { |
1176 | { |
… | |
… | |
1172 | if (gotsig && ev_is_default_loop (EV_A)) |
1231 | if (gotsig && ev_is_default_loop (EV_A)) |
1173 | { |
1232 | { |
1174 | int signum; |
1233 | int signum; |
1175 | gotsig = 0; |
1234 | gotsig = 0; |
1176 | |
1235 | |
1177 | for (signum = signalmax; signum--; ) |
1236 | for (signum = EV_NSIG - 1; signum--; ) |
1178 | if (signals [signum].gotsig) |
1237 | if (signals [signum].gotsig) |
1179 | ev_feed_signal_event (EV_A_ signum + 1); |
1238 | ev_feed_signal_event (EV_A_ signum + 1); |
1180 | } |
1239 | } |
1181 | |
1240 | |
1182 | #if EV_ASYNC_ENABLE |
1241 | #if EV_ASYNC_ENABLE |
… | |
… | |
1199 | |
1258 | |
1200 | static void |
1259 | static void |
1201 | ev_sighandler (int signum) |
1260 | ev_sighandler (int signum) |
1202 | { |
1261 | { |
1203 | #if EV_MULTIPLICITY |
1262 | #if EV_MULTIPLICITY |
1204 | struct ev_loop *loop = &default_loop_struct; |
1263 | EV_P = signals [signum - 1].loop; |
1205 | #endif |
1264 | #endif |
1206 | |
1265 | |
1207 | #if _WIN32 |
1266 | #if _WIN32 |
1208 | signal (signum, ev_sighandler); |
1267 | signal (signum, ev_sighandler); |
1209 | #endif |
1268 | #endif |
… | |
… | |
1219 | |
1278 | |
1220 | #if EV_MULTIPLICITY |
1279 | #if EV_MULTIPLICITY |
1221 | assert (("libev: feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
1280 | assert (("libev: feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
1222 | #endif |
1281 | #endif |
1223 | |
1282 | |
|
|
1283 | if (signum <= 0 || signum > EV_NSIG) |
|
|
1284 | return; |
|
|
1285 | |
1224 | --signum; |
1286 | --signum; |
1225 | |
|
|
1226 | if (signum < 0 || signum >= signalmax) |
|
|
1227 | return; |
|
|
1228 | |
1287 | |
1229 | signals [signum].gotsig = 0; |
1288 | signals [signum].gotsig = 0; |
1230 | |
1289 | |
1231 | for (w = signals [signum].head; w; w = w->next) |
1290 | for (w = signals [signum].head; w; w = w->next) |
1232 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
1291 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
1233 | } |
1292 | } |
|
|
1293 | |
|
|
1294 | #if EV_USE_SIGNALFD |
|
|
1295 | static void |
|
|
1296 | sigfdcb (EV_P_ ev_io *iow, int revents) |
|
|
1297 | { |
|
|
1298 | struct signalfd_siginfo si[2], *sip; /* these structs are big */ |
|
|
1299 | |
|
|
1300 | for (;;) |
|
|
1301 | { |
|
|
1302 | ssize_t res = read (sigfd, si, sizeof (si)); |
|
|
1303 | |
|
|
1304 | /* not ISO-C, as res might be -1, but works with SuS */ |
|
|
1305 | for (sip = si; (char *)sip < (char *)si + res; ++sip) |
|
|
1306 | ev_feed_signal_event (EV_A_ sip->ssi_signo); |
|
|
1307 | |
|
|
1308 | if (res < (ssize_t)sizeof (si)) |
|
|
1309 | break; |
|
|
1310 | } |
|
|
1311 | } |
|
|
1312 | #endif |
1234 | |
1313 | |
1235 | /*****************************************************************************/ |
1314 | /*****************************************************************************/ |
1236 | |
1315 | |
1237 | static WL childs [EV_PID_HASHSIZE]; |
1316 | static WL childs [EV_PID_HASHSIZE]; |
1238 | |
1317 | |
… | |
… | |
1458 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1537 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1459 | have_monotonic = 1; |
1538 | have_monotonic = 1; |
1460 | } |
1539 | } |
1461 | #endif |
1540 | #endif |
1462 | |
1541 | |
|
|
1542 | /* pid check not overridable via env */ |
|
|
1543 | #ifndef _WIN32 |
|
|
1544 | if (flags & EVFLAG_FORKCHECK) |
|
|
1545 | curpid = getpid (); |
|
|
1546 | #endif |
|
|
1547 | |
|
|
1548 | if (!(flags & EVFLAG_NOENV) |
|
|
1549 | && !enable_secure () |
|
|
1550 | && getenv ("LIBEV_FLAGS")) |
|
|
1551 | flags = atoi (getenv ("LIBEV_FLAGS")); |
|
|
1552 | |
1463 | ev_rt_now = ev_time (); |
1553 | ev_rt_now = ev_time (); |
1464 | mn_now = get_clock (); |
1554 | mn_now = get_clock (); |
1465 | now_floor = mn_now; |
1555 | now_floor = mn_now; |
1466 | rtmn_diff = ev_rt_now - mn_now; |
1556 | rtmn_diff = ev_rt_now - mn_now; |
1467 | #if EV_MINIMAL < 2 |
1557 | #if EV_MINIMAL < 2 |
… | |
… | |
1472 | timeout_blocktime = 0.; |
1562 | timeout_blocktime = 0.; |
1473 | backend = 0; |
1563 | backend = 0; |
1474 | backend_fd = -1; |
1564 | backend_fd = -1; |
1475 | gotasync = 0; |
1565 | gotasync = 0; |
1476 | #if EV_USE_INOTIFY |
1566 | #if EV_USE_INOTIFY |
1477 | fs_fd = -2; |
1567 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
1478 | #endif |
1568 | #endif |
1479 | |
1569 | #if EV_USE_SIGNALFD |
1480 | /* pid check not overridable via env */ |
1570 | sigfd = flags & EVFLAG_NOSIGFD ? -1 : -2; |
1481 | #ifndef _WIN32 |
|
|
1482 | if (flags & EVFLAG_FORKCHECK) |
|
|
1483 | curpid = getpid (); |
|
|
1484 | #endif |
1571 | #endif |
1485 | |
|
|
1486 | if (!(flags & EVFLAG_NOENV) |
|
|
1487 | && !enable_secure () |
|
|
1488 | && getenv ("LIBEV_FLAGS")) |
|
|
1489 | flags = atoi (getenv ("LIBEV_FLAGS")); |
|
|
1490 | |
1572 | |
1491 | if (!(flags & 0x0000ffffU)) |
1573 | if (!(flags & 0x0000ffffU)) |
1492 | flags |= ev_recommended_backends (); |
1574 | flags |= ev_recommended_backends (); |
1493 | |
1575 | |
1494 | #if EV_USE_PORT |
1576 | #if EV_USE_PORT |
… | |
… | |
1520 | { |
1602 | { |
1521 | int i; |
1603 | int i; |
1522 | |
1604 | |
1523 | if (ev_is_active (&pipe_w)) |
1605 | if (ev_is_active (&pipe_w)) |
1524 | { |
1606 | { |
1525 | ev_ref (EV_A); /* signal watcher */ |
1607 | /*ev_ref (EV_A);*/ |
1526 | ev_io_stop (EV_A_ &pipe_w); |
1608 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
1527 | |
1609 | |
1528 | #if EV_USE_EVENTFD |
1610 | #if EV_USE_EVENTFD |
1529 | if (evfd >= 0) |
1611 | if (evfd >= 0) |
1530 | close (evfd); |
1612 | close (evfd); |
1531 | #endif |
1613 | #endif |
… | |
… | |
1535 | close (evpipe [0]); |
1617 | close (evpipe [0]); |
1536 | close (evpipe [1]); |
1618 | close (evpipe [1]); |
1537 | } |
1619 | } |
1538 | } |
1620 | } |
1539 | |
1621 | |
|
|
1622 | #if EV_USE_SIGNALFD |
|
|
1623 | if (ev_is_active (&sigfd_w)) |
|
|
1624 | { |
|
|
1625 | /*ev_ref (EV_A);*/ |
|
|
1626 | /*ev_io_stop (EV_A_ &sigfd_w);*/ |
|
|
1627 | |
|
|
1628 | close (sigfd); |
|
|
1629 | } |
|
|
1630 | #endif |
|
|
1631 | |
1540 | #if EV_USE_INOTIFY |
1632 | #if EV_USE_INOTIFY |
1541 | if (fs_fd >= 0) |
1633 | if (fs_fd >= 0) |
1542 | close (fs_fd); |
1634 | close (fs_fd); |
1543 | #endif |
1635 | #endif |
1544 | |
1636 | |
… | |
… | |
1567 | #if EV_IDLE_ENABLE |
1659 | #if EV_IDLE_ENABLE |
1568 | array_free (idle, [i]); |
1660 | array_free (idle, [i]); |
1569 | #endif |
1661 | #endif |
1570 | } |
1662 | } |
1571 | |
1663 | |
1572 | ev_free (anfds); anfdmax = 0; |
1664 | ev_free (anfds); anfds = 0; anfdmax = 0; |
1573 | |
1665 | |
1574 | /* have to use the microsoft-never-gets-it-right macro */ |
1666 | /* have to use the microsoft-never-gets-it-right macro */ |
1575 | array_free (rfeed, EMPTY); |
1667 | array_free (rfeed, EMPTY); |
1576 | array_free (fdchange, EMPTY); |
1668 | array_free (fdchange, EMPTY); |
1577 | array_free (timer, EMPTY); |
1669 | array_free (timer, EMPTY); |
… | |
… | |
1644 | #if EV_MULTIPLICITY |
1736 | #if EV_MULTIPLICITY |
1645 | |
1737 | |
1646 | struct ev_loop * |
1738 | struct ev_loop * |
1647 | ev_loop_new (unsigned int flags) |
1739 | ev_loop_new (unsigned int flags) |
1648 | { |
1740 | { |
1649 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1741 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1650 | |
1742 | |
1651 | memset (loop, 0, sizeof (struct ev_loop)); |
1743 | memset (EV_A, 0, sizeof (struct ev_loop)); |
1652 | |
|
|
1653 | loop_init (EV_A_ flags); |
1744 | loop_init (EV_A_ flags); |
1654 | |
1745 | |
1655 | if (ev_backend (EV_A)) |
1746 | if (ev_backend (EV_A)) |
1656 | return loop; |
1747 | return EV_A; |
1657 | |
1748 | |
1658 | return 0; |
1749 | return 0; |
1659 | } |
1750 | } |
1660 | |
1751 | |
1661 | void |
1752 | void |
… | |
… | |
1765 | assert (checkmax >= checkcnt); |
1856 | assert (checkmax >= checkcnt); |
1766 | array_verify (EV_A_ (W *)checks, checkcnt); |
1857 | array_verify (EV_A_ (W *)checks, checkcnt); |
1767 | |
1858 | |
1768 | # if 0 |
1859 | # if 0 |
1769 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1860 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1770 | for (signum = signalmax; signum--; ) if (signals [signum].gotsig) |
1861 | for (signum = EV_NSIG; signum--; ) if (signals [signum].gotsig) |
1771 | # endif |
1862 | # endif |
1772 | #endif |
1863 | #endif |
1773 | } |
1864 | } |
1774 | #endif |
1865 | #endif |
1775 | |
1866 | |
… | |
… | |
1782 | #endif |
1873 | #endif |
1783 | { |
1874 | { |
1784 | if (!ev_default_loop_ptr) |
1875 | if (!ev_default_loop_ptr) |
1785 | { |
1876 | { |
1786 | #if EV_MULTIPLICITY |
1877 | #if EV_MULTIPLICITY |
1787 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
1878 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
1788 | #else |
1879 | #else |
1789 | ev_default_loop_ptr = 1; |
1880 | ev_default_loop_ptr = 1; |
1790 | #endif |
1881 | #endif |
1791 | |
1882 | |
1792 | loop_init (EV_A_ flags); |
1883 | loop_init (EV_A_ flags); |
… | |
… | |
1809 | |
1900 | |
1810 | void |
1901 | void |
1811 | ev_default_destroy (void) |
1902 | ev_default_destroy (void) |
1812 | { |
1903 | { |
1813 | #if EV_MULTIPLICITY |
1904 | #if EV_MULTIPLICITY |
1814 | struct ev_loop *loop = ev_default_loop_ptr; |
1905 | EV_P = ev_default_loop_ptr; |
1815 | #endif |
1906 | #endif |
1816 | |
1907 | |
1817 | ev_default_loop_ptr = 0; |
1908 | ev_default_loop_ptr = 0; |
1818 | |
1909 | |
1819 | #ifndef _WIN32 |
1910 | #ifndef _WIN32 |
… | |
… | |
1826 | |
1917 | |
1827 | void |
1918 | void |
1828 | ev_default_fork (void) |
1919 | ev_default_fork (void) |
1829 | { |
1920 | { |
1830 | #if EV_MULTIPLICITY |
1921 | #if EV_MULTIPLICITY |
1831 | struct ev_loop *loop = ev_default_loop_ptr; |
1922 | EV_P = ev_default_loop_ptr; |
1832 | #endif |
1923 | #endif |
1833 | |
1924 | |
1834 | postfork = 1; /* must be in line with ev_loop_fork */ |
1925 | postfork = 1; /* must be in line with ev_loop_fork */ |
1835 | } |
1926 | } |
1836 | |
1927 | |
… | |
… | |
1838 | |
1929 | |
1839 | void |
1930 | void |
1840 | ev_invoke (EV_P_ void *w, int revents) |
1931 | ev_invoke (EV_P_ void *w, int revents) |
1841 | { |
1932 | { |
1842 | EV_CB_INVOKE ((W)w, revents); |
1933 | EV_CB_INVOKE ((W)w, revents); |
|
|
1934 | } |
|
|
1935 | |
|
|
1936 | unsigned int |
|
|
1937 | ev_pending_count (EV_P) |
|
|
1938 | { |
|
|
1939 | int pri; |
|
|
1940 | unsigned int count = 0; |
|
|
1941 | |
|
|
1942 | for (pri = NUMPRI; pri--; ) |
|
|
1943 | count += pendingcnt [pri]; |
|
|
1944 | |
|
|
1945 | return count; |
1843 | } |
1946 | } |
1844 | |
1947 | |
1845 | void noinline |
1948 | void noinline |
1846 | ev_invoke_pending (EV_P) |
1949 | ev_invoke_pending (EV_P) |
1847 | { |
1950 | { |
… | |
… | |
2475 | } |
2578 | } |
2476 | |
2579 | |
2477 | EV_FREQUENT_CHECK; |
2580 | EV_FREQUENT_CHECK; |
2478 | } |
2581 | } |
2479 | |
2582 | |
|
|
2583 | ev_tstamp |
|
|
2584 | ev_timer_remaining (EV_P_ ev_timer *w) |
|
|
2585 | { |
|
|
2586 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
|
|
2587 | } |
|
|
2588 | |
2480 | #if EV_PERIODIC_ENABLE |
2589 | #if EV_PERIODIC_ENABLE |
2481 | void noinline |
2590 | void noinline |
2482 | ev_periodic_start (EV_P_ ev_periodic *w) |
2591 | ev_periodic_start (EV_P_ ev_periodic *w) |
2483 | { |
2592 | { |
2484 | if (expect_false (ev_is_active (w))) |
2593 | if (expect_false (ev_is_active (w))) |
… | |
… | |
2551 | #endif |
2660 | #endif |
2552 | |
2661 | |
2553 | void noinline |
2662 | void noinline |
2554 | ev_signal_start (EV_P_ ev_signal *w) |
2663 | ev_signal_start (EV_P_ ev_signal *w) |
2555 | { |
2664 | { |
2556 | #if EV_MULTIPLICITY |
|
|
2557 | assert (("libev: signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
|
|
2558 | #endif |
|
|
2559 | if (expect_false (ev_is_active (w))) |
2665 | if (expect_false (ev_is_active (w))) |
2560 | return; |
2666 | return; |
2561 | |
2667 | |
2562 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0)); |
2668 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
2563 | |
2669 | |
2564 | evpipe_init (EV_A); |
2670 | #if EV_MULTIPLICITY |
|
|
2671 | assert (("libev: tried to attach to a signal from two different loops", |
|
|
2672 | !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop)); |
2565 | |
2673 | |
2566 | EV_FREQUENT_CHECK; |
2674 | signals [w->signum - 1].loop = EV_A; |
|
|
2675 | #endif |
2567 | |
2676 | |
|
|
2677 | EV_FREQUENT_CHECK; |
|
|
2678 | |
|
|
2679 | #if EV_USE_SIGNALFD |
|
|
2680 | if (sigfd == -2) |
2568 | { |
2681 | { |
2569 | #ifndef _WIN32 |
2682 | sigfd = signalfd (-1, &sigfd_set, SFD_NONBLOCK | SFD_CLOEXEC); |
2570 | sigset_t full, prev; |
2683 | if (sigfd < 0 && errno == EINVAL) |
2571 | sigfillset (&full); |
2684 | sigfd = signalfd (-1, &sigfd_set, 0); /* retry without flags */ |
2572 | sigprocmask (SIG_SETMASK, &full, &prev); |
|
|
2573 | #endif |
|
|
2574 | |
2685 | |
2575 | array_needsize (ANSIG, signals, signalmax, w->signum, array_init_zero); |
2686 | if (sigfd >= 0) |
|
|
2687 | { |
|
|
2688 | fd_intern (sigfd); /* doing it twice will not hurt */ |
2576 | |
2689 | |
2577 | #ifndef _WIN32 |
2690 | sigemptyset (&sigfd_set); |
2578 | sigprocmask (SIG_SETMASK, &prev, 0); |
2691 | |
2579 | #endif |
2692 | ev_io_init (&sigfd_w, sigfdcb, sigfd, EV_READ); |
|
|
2693 | ev_set_priority (&sigfd_w, EV_MAXPRI); |
|
|
2694 | ev_io_start (EV_A_ &sigfd_w); |
|
|
2695 | ev_unref (EV_A); /* signalfd watcher should not keep loop alive */ |
|
|
2696 | } |
2580 | } |
2697 | } |
|
|
2698 | |
|
|
2699 | if (sigfd >= 0) |
|
|
2700 | { |
|
|
2701 | /* TODO: check .head */ |
|
|
2702 | sigaddset (&sigfd_set, w->signum); |
|
|
2703 | sigprocmask (SIG_BLOCK, &sigfd_set, 0); |
|
|
2704 | |
|
|
2705 | signalfd (sigfd, &sigfd_set, 0); |
|
|
2706 | } |
|
|
2707 | #endif |
2581 | |
2708 | |
2582 | ev_start (EV_A_ (W)w, 1); |
2709 | ev_start (EV_A_ (W)w, 1); |
2583 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
2710 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
2584 | |
2711 | |
2585 | if (!((WL)w)->next) |
2712 | if (!((WL)w)->next) |
|
|
2713 | # if EV_USE_SIGNALFD |
|
|
2714 | if (sigfd < 0) /*TODO*/ |
|
|
2715 | # endif |
2586 | { |
2716 | { |
2587 | #if _WIN32 |
2717 | # if _WIN32 |
2588 | signal (w->signum, ev_sighandler); |
2718 | signal (w->signum, ev_sighandler); |
2589 | #else |
2719 | # else |
2590 | struct sigaction sa; |
2720 | struct sigaction sa; |
|
|
2721 | |
|
|
2722 | evpipe_init (EV_A); |
|
|
2723 | |
2591 | sa.sa_handler = ev_sighandler; |
2724 | sa.sa_handler = ev_sighandler; |
2592 | sigfillset (&sa.sa_mask); |
2725 | sigfillset (&sa.sa_mask); |
2593 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2726 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2594 | sigaction (w->signum, &sa, 0); |
2727 | sigaction (w->signum, &sa, 0); |
|
|
2728 | |
|
|
2729 | sigemptyset (&sa.sa_mask); |
|
|
2730 | sigaddset (&sa.sa_mask, w->signum); |
|
|
2731 | sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0); |
2595 | #endif |
2732 | #endif |
2596 | } |
2733 | } |
2597 | |
2734 | |
2598 | EV_FREQUENT_CHECK; |
2735 | EV_FREQUENT_CHECK; |
2599 | } |
2736 | } |
2600 | |
2737 | |
2601 | void noinline |
2738 | void noinline |
… | |
… | |
2609 | |
2746 | |
2610 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2747 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2611 | ev_stop (EV_A_ (W)w); |
2748 | ev_stop (EV_A_ (W)w); |
2612 | |
2749 | |
2613 | if (!signals [w->signum - 1].head) |
2750 | if (!signals [w->signum - 1].head) |
|
|
2751 | { |
|
|
2752 | #if EV_MULTIPLICITY |
|
|
2753 | signals [w->signum - 1].loop = 0; /* unattach from signal */ |
|
|
2754 | #endif |
|
|
2755 | #if EV_USE_SIGNALFD |
|
|
2756 | if (sigfd >= 0) |
|
|
2757 | { |
|
|
2758 | sigprocmask (SIG_UNBLOCK, &sigfd_set, 0);//D |
|
|
2759 | sigdelset (&sigfd_set, w->signum); |
|
|
2760 | signalfd (sigfd, &sigfd_set, 0); |
|
|
2761 | sigprocmask (SIG_BLOCK, &sigfd_set, 0);//D |
|
|
2762 | /*TODO: maybe unblock signal? */ |
|
|
2763 | } |
|
|
2764 | else |
|
|
2765 | #endif |
2614 | signal (w->signum, SIG_DFL); |
2766 | signal (w->signum, SIG_DFL); |
|
|
2767 | } |
2615 | |
2768 | |
2616 | EV_FREQUENT_CHECK; |
2769 | EV_FREQUENT_CHECK; |
2617 | } |
2770 | } |
2618 | |
2771 | |
2619 | void |
2772 | void |
… | |
… | |
3099 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3252 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3100 | { |
3253 | { |
3101 | ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare)); |
3254 | ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare)); |
3102 | |
3255 | |
3103 | { |
3256 | { |
3104 | struct ev_loop *loop = w->other; |
3257 | EV_P = w->other; |
3105 | |
3258 | |
3106 | while (fdchangecnt) |
3259 | while (fdchangecnt) |
3107 | { |
3260 | { |
3108 | fd_reify (EV_A); |
3261 | fd_reify (EV_A); |
3109 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3262 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
… | |
… | |
3117 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
3270 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
3118 | |
3271 | |
3119 | ev_embed_stop (EV_A_ w); |
3272 | ev_embed_stop (EV_A_ w); |
3120 | |
3273 | |
3121 | { |
3274 | { |
3122 | struct ev_loop *loop = w->other; |
3275 | EV_P = w->other; |
3123 | |
3276 | |
3124 | ev_loop_fork (EV_A); |
3277 | ev_loop_fork (EV_A); |
3125 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3278 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3126 | } |
3279 | } |
3127 | |
3280 | |
… | |
… | |
3141 | { |
3294 | { |
3142 | if (expect_false (ev_is_active (w))) |
3295 | if (expect_false (ev_is_active (w))) |
3143 | return; |
3296 | return; |
3144 | |
3297 | |
3145 | { |
3298 | { |
3146 | struct ev_loop *loop = w->other; |
3299 | EV_P = w->other; |
3147 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
3300 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
3148 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
3301 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
3149 | } |
3302 | } |
3150 | |
3303 | |
3151 | EV_FREQUENT_CHECK; |
3304 | EV_FREQUENT_CHECK; |
… | |
… | |
3422 | if (types & EV_CHECK) |
3575 | if (types & EV_CHECK) |
3423 | for (i = checkcnt; i--; ) |
3576 | for (i = checkcnt; i--; ) |
3424 | cb (EV_A_ EV_CHECK, checks [i]); |
3577 | cb (EV_A_ EV_CHECK, checks [i]); |
3425 | |
3578 | |
3426 | if (types & EV_SIGNAL) |
3579 | if (types & EV_SIGNAL) |
3427 | for (i = 0; i < signalmax; ++i) |
3580 | for (i = 0; i < EV_NSIG - 1; ++i) |
3428 | for (wl = signals [i].head; wl; ) |
3581 | for (wl = signals [i].head; wl; ) |
3429 | { |
3582 | { |
3430 | wn = wl->next; |
3583 | wn = wl->next; |
3431 | cb (EV_A_ EV_SIGNAL, wl); |
3584 | cb (EV_A_ EV_SIGNAL, wl); |
3432 | wl = wn; |
3585 | wl = wn; |