… | |
… | |
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 | #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 | |
183 | #ifndef EV_USE_CLOCK_SYSCALL |
218 | #ifndef EV_USE_CLOCK_SYSCALL |
184 | # if __linux && __GLIBC__ >= 2 |
219 | # if __linux && __GLIBC__ >= 2 |
185 | # define EV_USE_CLOCK_SYSCALL 1 |
220 | # define EV_USE_CLOCK_SYSCALL 1 |
186 | # else |
221 | # else |
187 | # define EV_USE_CLOCK_SYSCALL 0 |
222 | # define EV_USE_CLOCK_SYSCALL 0 |
… | |
… | |
263 | #ifndef EV_USE_EVENTFD |
298 | #ifndef EV_USE_EVENTFD |
264 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
299 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
265 | # define EV_USE_EVENTFD 1 |
300 | # define EV_USE_EVENTFD 1 |
266 | # else |
301 | # else |
267 | # define EV_USE_EVENTFD 0 |
302 | # define EV_USE_EVENTFD 0 |
|
|
303 | # endif |
|
|
304 | #endif |
|
|
305 | |
|
|
306 | #ifndef EV_USE_SIGNALFD |
|
|
307 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 9)) |
|
|
308 | # define EV_USE_SIGNALFD 1 |
|
|
309 | # else |
|
|
310 | # define EV_USE_SIGNALFD 0 |
268 | # endif |
311 | # endif |
269 | #endif |
312 | #endif |
270 | |
313 | |
271 | #if 0 /* debugging */ |
314 | #if 0 /* debugging */ |
272 | # define EV_VERIFY 3 |
315 | # define EV_VERIFY 3 |
… | |
… | |
339 | #endif |
382 | #endif |
340 | |
383 | |
341 | #if EV_USE_EVENTFD |
384 | #if EV_USE_EVENTFD |
342 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
385 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
343 | # include <stdint.h> |
386 | # include <stdint.h> |
|
|
387 | # ifndef EFD_NONBLOCK |
|
|
388 | # define EFD_NONBLOCK O_NONBLOCK |
|
|
389 | # endif |
|
|
390 | # ifndef EFD_CLOEXEC |
|
|
391 | # ifdef O_CLOEXEC |
|
|
392 | # define EFD_CLOEXEC O_CLOEXEC |
|
|
393 | # else |
|
|
394 | # define EFD_CLOEXEC 02000000 |
|
|
395 | # endif |
|
|
396 | # endif |
344 | # ifdef __cplusplus |
397 | # ifdef __cplusplus |
345 | extern "C" { |
398 | extern "C" { |
346 | # endif |
399 | # endif |
347 | int eventfd (unsigned int initval, int flags); |
400 | int eventfd (unsigned int initval, int flags); |
348 | # ifdef __cplusplus |
401 | # ifdef __cplusplus |
349 | } |
402 | } |
350 | # endif |
403 | # endif |
|
|
404 | #endif |
|
|
405 | |
|
|
406 | #if EV_USE_SIGNALFD |
|
|
407 | # include <sys/signalfd.h> |
351 | #endif |
408 | #endif |
352 | |
409 | |
353 | /**/ |
410 | /**/ |
354 | |
411 | |
355 | #if EV_VERIFY >= 3 |
412 | #if EV_VERIFY >= 3 |
… | |
… | |
647 | |
704 | |
648 | tv.tv_sec = (time_t)delay; |
705 | tv.tv_sec = (time_t)delay; |
649 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
706 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
650 | |
707 | |
651 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
708 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
652 | /* somehting not guaranteed by newer posix versions, but guaranteed */ |
709 | /* something not guaranteed by newer posix versions, but guaranteed */ |
653 | /* by older ones */ |
710 | /* by older ones */ |
654 | select (0, 0, 0, 0, &tv); |
711 | select (0, 0, 0, 0, &tv); |
655 | #endif |
712 | #endif |
656 | } |
713 | } |
657 | } |
714 | } |
… | |
… | |
904 | |
961 | |
905 | for (fd = anfdmax; fd--; ) |
962 | for (fd = anfdmax; fd--; ) |
906 | if (anfds [fd].events) |
963 | if (anfds [fd].events) |
907 | { |
964 | { |
908 | fd_kill (EV_A_ fd); |
965 | fd_kill (EV_A_ fd); |
909 | return; |
966 | break; |
910 | } |
967 | } |
911 | } |
968 | } |
912 | |
969 | |
913 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
970 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
914 | static void noinline |
971 | static void noinline |
… | |
… | |
1004 | |
1061 | |
1005 | for (;;) |
1062 | for (;;) |
1006 | { |
1063 | { |
1007 | int c = k << 1; |
1064 | int c = k << 1; |
1008 | |
1065 | |
1009 | if (c > N + HEAP0 - 1) |
1066 | if (c >= N + HEAP0) |
1010 | break; |
1067 | break; |
1011 | |
1068 | |
1012 | c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) |
1069 | c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) |
1013 | ? 1 : 0; |
1070 | ? 1 : 0; |
1014 | |
1071 | |
… | |
… | |
1050 | |
1107 | |
1051 | /* move an element suitably so it is in a correct place */ |
1108 | /* move an element suitably so it is in a correct place */ |
1052 | inline_size void |
1109 | inline_size void |
1053 | adjustheap (ANHE *heap, int N, int k) |
1110 | adjustheap (ANHE *heap, int N, int k) |
1054 | { |
1111 | { |
1055 | if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k])) |
1112 | if (k > HEAP0 && ANHE_at (heap [k]) <= ANHE_at (heap [HPARENT (k)])) |
1056 | upheap (heap, k); |
1113 | upheap (heap, k); |
1057 | else |
1114 | else |
1058 | downheap (heap, N, k); |
1115 | downheap (heap, N, k); |
1059 | } |
1116 | } |
1060 | |
1117 | |
… | |
… | |
1073 | /*****************************************************************************/ |
1130 | /*****************************************************************************/ |
1074 | |
1131 | |
1075 | /* associate signal watchers to a signal signal */ |
1132 | /* associate signal watchers to a signal signal */ |
1076 | typedef struct |
1133 | typedef struct |
1077 | { |
1134 | { |
|
|
1135 | EV_ATOMIC_T pending; |
|
|
1136 | #if EV_MULTIPLICITY |
|
|
1137 | EV_P; |
|
|
1138 | #endif |
1078 | WL head; |
1139 | WL head; |
1079 | EV_ATOMIC_T gotsig; |
|
|
1080 | } ANSIG; |
1140 | } ANSIG; |
1081 | |
1141 | |
1082 | static ANSIG *signals; |
1142 | static ANSIG signals [EV_NSIG - 1]; |
1083 | static int signalmax; |
|
|
1084 | |
|
|
1085 | static EV_ATOMIC_T gotsig; |
|
|
1086 | |
1143 | |
1087 | /*****************************************************************************/ |
1144 | /*****************************************************************************/ |
1088 | |
1145 | |
1089 | /* used to prepare libev internal fd's */ |
1146 | /* used to prepare libev internal fd's */ |
1090 | /* this is not fork-safe */ |
1147 | /* this is not fork-safe */ |
… | |
… | |
1104 | evpipe_init (EV_P) |
1161 | evpipe_init (EV_P) |
1105 | { |
1162 | { |
1106 | if (!ev_is_active (&pipe_w)) |
1163 | if (!ev_is_active (&pipe_w)) |
1107 | { |
1164 | { |
1108 | #if EV_USE_EVENTFD |
1165 | #if EV_USE_EVENTFD |
|
|
1166 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
|
|
1167 | if (evfd < 0 && errno == EINVAL) |
1109 | if ((evfd = eventfd (0, 0)) >= 0) |
1168 | evfd = eventfd (0, 0); |
|
|
1169 | |
|
|
1170 | if (evfd >= 0) |
1110 | { |
1171 | { |
1111 | evpipe [0] = -1; |
1172 | evpipe [0] = -1; |
1112 | fd_intern (evfd); |
1173 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
1113 | ev_io_set (&pipe_w, evfd, EV_READ); |
1174 | ev_io_set (&pipe_w, evfd, EV_READ); |
1114 | } |
1175 | } |
1115 | else |
1176 | else |
1116 | #endif |
1177 | #endif |
1117 | { |
1178 | { |
… | |
… | |
1154 | /* called whenever the libev signal pipe */ |
1215 | /* called whenever the libev signal pipe */ |
1155 | /* got some events (signal, async) */ |
1216 | /* got some events (signal, async) */ |
1156 | static void |
1217 | static void |
1157 | pipecb (EV_P_ ev_io *iow, int revents) |
1218 | pipecb (EV_P_ ev_io *iow, int revents) |
1158 | { |
1219 | { |
|
|
1220 | int i; |
|
|
1221 | |
1159 | #if EV_USE_EVENTFD |
1222 | #if EV_USE_EVENTFD |
1160 | if (evfd >= 0) |
1223 | if (evfd >= 0) |
1161 | { |
1224 | { |
1162 | uint64_t counter; |
1225 | uint64_t counter; |
1163 | read (evfd, &counter, sizeof (uint64_t)); |
1226 | read (evfd, &counter, sizeof (uint64_t)); |
… | |
… | |
1167 | { |
1230 | { |
1168 | char dummy; |
1231 | char dummy; |
1169 | read (evpipe [0], &dummy, 1); |
1232 | read (evpipe [0], &dummy, 1); |
1170 | } |
1233 | } |
1171 | |
1234 | |
1172 | if (gotsig && ev_is_default_loop (EV_A)) |
1235 | if (sig_pending) |
1173 | { |
1236 | { |
1174 | int signum; |
1237 | sig_pending = 0; |
1175 | gotsig = 0; |
|
|
1176 | |
1238 | |
1177 | for (signum = signalmax; signum--; ) |
1239 | for (i = EV_NSIG - 1; i--; ) |
1178 | if (signals [signum].gotsig) |
1240 | if (expect_false (signals [i].pending)) |
1179 | ev_feed_signal_event (EV_A_ signum + 1); |
1241 | ev_feed_signal_event (EV_A_ i + 1); |
1180 | } |
1242 | } |
1181 | |
1243 | |
1182 | #if EV_ASYNC_ENABLE |
1244 | #if EV_ASYNC_ENABLE |
1183 | if (gotasync) |
1245 | if (async_pending) |
1184 | { |
1246 | { |
1185 | int i; |
1247 | async_pending = 0; |
1186 | gotasync = 0; |
|
|
1187 | |
1248 | |
1188 | for (i = asynccnt; i--; ) |
1249 | for (i = asynccnt; i--; ) |
1189 | if (asyncs [i]->sent) |
1250 | if (asyncs [i]->sent) |
1190 | { |
1251 | { |
1191 | asyncs [i]->sent = 0; |
1252 | asyncs [i]->sent = 0; |
… | |
… | |
1199 | |
1260 | |
1200 | static void |
1261 | static void |
1201 | ev_sighandler (int signum) |
1262 | ev_sighandler (int signum) |
1202 | { |
1263 | { |
1203 | #if EV_MULTIPLICITY |
1264 | #if EV_MULTIPLICITY |
1204 | struct ev_loop *loop = &default_loop_struct; |
1265 | EV_P = signals [signum - 1].loop; |
1205 | #endif |
1266 | #endif |
1206 | |
1267 | |
1207 | #if _WIN32 |
1268 | #if _WIN32 |
1208 | signal (signum, ev_sighandler); |
1269 | signal (signum, ev_sighandler); |
1209 | #endif |
1270 | #endif |
1210 | |
1271 | |
1211 | signals [signum - 1].gotsig = 1; |
1272 | signals [signum - 1].pending = 1; |
1212 | evpipe_write (EV_A_ &gotsig); |
1273 | evpipe_write (EV_A_ &sig_pending); |
1213 | } |
1274 | } |
1214 | |
1275 | |
1215 | void noinline |
1276 | void noinline |
1216 | ev_feed_signal_event (EV_P_ int signum) |
1277 | ev_feed_signal_event (EV_P_ int signum) |
1217 | { |
1278 | { |
1218 | WL w; |
1279 | WL w; |
1219 | |
1280 | |
|
|
1281 | if (expect_false (signum <= 0 || signum > EV_NSIG)) |
|
|
1282 | return; |
|
|
1283 | |
|
|
1284 | --signum; |
|
|
1285 | |
1220 | #if EV_MULTIPLICITY |
1286 | #if EV_MULTIPLICITY |
1221 | assert (("libev: feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
1287 | /* it is permissible to try to feed a signal to the wrong loop */ |
1222 | #endif |
1288 | /* or, likely more useful, feeding a signal nobody is waiting for */ |
1223 | |
1289 | |
1224 | --signum; |
1290 | if (expect_false (signals [signum].loop != EV_A)) |
1225 | |
|
|
1226 | if (signum < 0 || signum >= signalmax) |
|
|
1227 | return; |
1291 | return; |
|
|
1292 | #endif |
1228 | |
1293 | |
1229 | signals [signum].gotsig = 0; |
1294 | signals [signum].pending = 0; |
1230 | |
1295 | |
1231 | for (w = signals [signum].head; w; w = w->next) |
1296 | for (w = signals [signum].head; w; w = w->next) |
1232 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
1297 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
1233 | } |
1298 | } |
|
|
1299 | |
|
|
1300 | #if EV_USE_SIGNALFD |
|
|
1301 | static void |
|
|
1302 | sigfdcb (EV_P_ ev_io *iow, int revents) |
|
|
1303 | { |
|
|
1304 | struct signalfd_siginfo si[2], *sip; /* these structs are big */ |
|
|
1305 | |
|
|
1306 | for (;;) |
|
|
1307 | { |
|
|
1308 | ssize_t res = read (sigfd, si, sizeof (si)); |
|
|
1309 | |
|
|
1310 | /* not ISO-C, as res might be -1, but works with SuS */ |
|
|
1311 | for (sip = si; (char *)sip < (char *)si + res; ++sip) |
|
|
1312 | ev_feed_signal_event (EV_A_ sip->ssi_signo); |
|
|
1313 | |
|
|
1314 | if (res < (ssize_t)sizeof (si)) |
|
|
1315 | break; |
|
|
1316 | } |
|
|
1317 | } |
|
|
1318 | #endif |
1234 | |
1319 | |
1235 | /*****************************************************************************/ |
1320 | /*****************************************************************************/ |
1236 | |
1321 | |
1237 | static WL childs [EV_PID_HASHSIZE]; |
1322 | static WL childs [EV_PID_HASHSIZE]; |
1238 | |
1323 | |
… | |
… | |
1458 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1543 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1459 | have_monotonic = 1; |
1544 | have_monotonic = 1; |
1460 | } |
1545 | } |
1461 | #endif |
1546 | #endif |
1462 | |
1547 | |
|
|
1548 | /* pid check not overridable via env */ |
|
|
1549 | #ifndef _WIN32 |
|
|
1550 | if (flags & EVFLAG_FORKCHECK) |
|
|
1551 | curpid = getpid (); |
|
|
1552 | #endif |
|
|
1553 | |
|
|
1554 | if (!(flags & EVFLAG_NOENV) |
|
|
1555 | && !enable_secure () |
|
|
1556 | && getenv ("LIBEV_FLAGS")) |
|
|
1557 | flags = atoi (getenv ("LIBEV_FLAGS")); |
|
|
1558 | |
1463 | ev_rt_now = ev_time (); |
1559 | ev_rt_now = ev_time (); |
1464 | mn_now = get_clock (); |
1560 | mn_now = get_clock (); |
1465 | now_floor = mn_now; |
1561 | now_floor = mn_now; |
1466 | rtmn_diff = ev_rt_now - mn_now; |
1562 | rtmn_diff = ev_rt_now - mn_now; |
1467 | #if EV_MINIMAL < 2 |
1563 | #if EV_MINIMAL < 2 |
… | |
… | |
1470 | |
1566 | |
1471 | io_blocktime = 0.; |
1567 | io_blocktime = 0.; |
1472 | timeout_blocktime = 0.; |
1568 | timeout_blocktime = 0.; |
1473 | backend = 0; |
1569 | backend = 0; |
1474 | backend_fd = -1; |
1570 | backend_fd = -1; |
1475 | gotasync = 0; |
1571 | sig_pending = 0; |
|
|
1572 | #if EV_ASYNC_ENABLE |
|
|
1573 | async_pending = 0; |
|
|
1574 | #endif |
1476 | #if EV_USE_INOTIFY |
1575 | #if EV_USE_INOTIFY |
1477 | fs_fd = -2; |
1576 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
1478 | #endif |
1577 | #endif |
1479 | |
1578 | #if EV_USE_SIGNALFD |
1480 | /* pid check not overridable via env */ |
1579 | sigfd = flags & EVFLAG_NOSIGFD ? -1 : -2; |
1481 | #ifndef _WIN32 |
|
|
1482 | if (flags & EVFLAG_FORKCHECK) |
|
|
1483 | curpid = getpid (); |
|
|
1484 | #endif |
1580 | #endif |
1485 | |
|
|
1486 | if (!(flags & EVFLAG_NOENV) |
|
|
1487 | && !enable_secure () |
|
|
1488 | && getenv ("LIBEV_FLAGS")) |
|
|
1489 | flags = atoi (getenv ("LIBEV_FLAGS")); |
|
|
1490 | |
1581 | |
1491 | if (!(flags & 0x0000ffffU)) |
1582 | if (!(flags & 0x0000ffffU)) |
1492 | flags |= ev_recommended_backends (); |
1583 | flags |= ev_recommended_backends (); |
1493 | |
1584 | |
1494 | #if EV_USE_PORT |
1585 | #if EV_USE_PORT |
… | |
… | |
1520 | { |
1611 | { |
1521 | int i; |
1612 | int i; |
1522 | |
1613 | |
1523 | if (ev_is_active (&pipe_w)) |
1614 | if (ev_is_active (&pipe_w)) |
1524 | { |
1615 | { |
1525 | ev_ref (EV_A); /* signal watcher */ |
1616 | /*ev_ref (EV_A);*/ |
1526 | ev_io_stop (EV_A_ &pipe_w); |
1617 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
1527 | |
1618 | |
1528 | #if EV_USE_EVENTFD |
1619 | #if EV_USE_EVENTFD |
1529 | if (evfd >= 0) |
1620 | if (evfd >= 0) |
1530 | close (evfd); |
1621 | close (evfd); |
1531 | #endif |
1622 | #endif |
… | |
… | |
1535 | close (evpipe [0]); |
1626 | close (evpipe [0]); |
1536 | close (evpipe [1]); |
1627 | close (evpipe [1]); |
1537 | } |
1628 | } |
1538 | } |
1629 | } |
1539 | |
1630 | |
|
|
1631 | #if EV_USE_SIGNALFD |
|
|
1632 | if (ev_is_active (&sigfd_w)) |
|
|
1633 | { |
|
|
1634 | /*ev_ref (EV_A);*/ |
|
|
1635 | /*ev_io_stop (EV_A_ &sigfd_w);*/ |
|
|
1636 | |
|
|
1637 | close (sigfd); |
|
|
1638 | } |
|
|
1639 | #endif |
|
|
1640 | |
1540 | #if EV_USE_INOTIFY |
1641 | #if EV_USE_INOTIFY |
1541 | if (fs_fd >= 0) |
1642 | if (fs_fd >= 0) |
1542 | close (fs_fd); |
1643 | close (fs_fd); |
1543 | #endif |
1644 | #endif |
1544 | |
1645 | |
… | |
… | |
1567 | #if EV_IDLE_ENABLE |
1668 | #if EV_IDLE_ENABLE |
1568 | array_free (idle, [i]); |
1669 | array_free (idle, [i]); |
1569 | #endif |
1670 | #endif |
1570 | } |
1671 | } |
1571 | |
1672 | |
1572 | ev_free (anfds); anfdmax = 0; |
1673 | ev_free (anfds); anfds = 0; anfdmax = 0; |
1573 | |
1674 | |
1574 | /* have to use the microsoft-never-gets-it-right macro */ |
1675 | /* have to use the microsoft-never-gets-it-right macro */ |
1575 | array_free (rfeed, EMPTY); |
1676 | array_free (rfeed, EMPTY); |
1576 | array_free (fdchange, EMPTY); |
1677 | array_free (fdchange, EMPTY); |
1577 | array_free (timer, EMPTY); |
1678 | array_free (timer, EMPTY); |
… | |
… | |
1612 | |
1713 | |
1613 | if (ev_is_active (&pipe_w)) |
1714 | if (ev_is_active (&pipe_w)) |
1614 | { |
1715 | { |
1615 | /* this "locks" the handlers against writing to the pipe */ |
1716 | /* this "locks" the handlers against writing to the pipe */ |
1616 | /* while we modify the fd vars */ |
1717 | /* while we modify the fd vars */ |
1617 | gotsig = 1; |
1718 | sig_pending = 1; |
1618 | #if EV_ASYNC_ENABLE |
1719 | #if EV_ASYNC_ENABLE |
1619 | gotasync = 1; |
1720 | async_pending = 1; |
1620 | #endif |
1721 | #endif |
1621 | |
1722 | |
1622 | ev_ref (EV_A); |
1723 | ev_ref (EV_A); |
1623 | ev_io_stop (EV_A_ &pipe_w); |
1724 | ev_io_stop (EV_A_ &pipe_w); |
1624 | |
1725 | |
… | |
… | |
1644 | #if EV_MULTIPLICITY |
1745 | #if EV_MULTIPLICITY |
1645 | |
1746 | |
1646 | struct ev_loop * |
1747 | struct ev_loop * |
1647 | ev_loop_new (unsigned int flags) |
1748 | ev_loop_new (unsigned int flags) |
1648 | { |
1749 | { |
1649 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1750 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1650 | |
1751 | |
1651 | memset (loop, 0, sizeof (struct ev_loop)); |
1752 | memset (EV_A, 0, sizeof (struct ev_loop)); |
1652 | |
|
|
1653 | loop_init (EV_A_ flags); |
1753 | loop_init (EV_A_ flags); |
1654 | |
1754 | |
1655 | if (ev_backend (EV_A)) |
1755 | if (ev_backend (EV_A)) |
1656 | return loop; |
1756 | return EV_A; |
1657 | |
1757 | |
1658 | return 0; |
1758 | return 0; |
1659 | } |
1759 | } |
1660 | |
1760 | |
1661 | void |
1761 | void |
… | |
… | |
1765 | assert (checkmax >= checkcnt); |
1865 | assert (checkmax >= checkcnt); |
1766 | array_verify (EV_A_ (W *)checks, checkcnt); |
1866 | array_verify (EV_A_ (W *)checks, checkcnt); |
1767 | |
1867 | |
1768 | # if 0 |
1868 | # if 0 |
1769 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1869 | 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) |
1870 | for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) |
1771 | # endif |
1871 | # endif |
1772 | #endif |
1872 | #endif |
1773 | } |
1873 | } |
1774 | #endif |
1874 | #endif |
1775 | |
1875 | |
… | |
… | |
1782 | #endif |
1882 | #endif |
1783 | { |
1883 | { |
1784 | if (!ev_default_loop_ptr) |
1884 | if (!ev_default_loop_ptr) |
1785 | { |
1885 | { |
1786 | #if EV_MULTIPLICITY |
1886 | #if EV_MULTIPLICITY |
1787 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
1887 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
1788 | #else |
1888 | #else |
1789 | ev_default_loop_ptr = 1; |
1889 | ev_default_loop_ptr = 1; |
1790 | #endif |
1890 | #endif |
1791 | |
1891 | |
1792 | loop_init (EV_A_ flags); |
1892 | loop_init (EV_A_ flags); |
… | |
… | |
1809 | |
1909 | |
1810 | void |
1910 | void |
1811 | ev_default_destroy (void) |
1911 | ev_default_destroy (void) |
1812 | { |
1912 | { |
1813 | #if EV_MULTIPLICITY |
1913 | #if EV_MULTIPLICITY |
1814 | struct ev_loop *loop = ev_default_loop_ptr; |
1914 | EV_P = ev_default_loop_ptr; |
1815 | #endif |
1915 | #endif |
1816 | |
1916 | |
1817 | ev_default_loop_ptr = 0; |
1917 | ev_default_loop_ptr = 0; |
1818 | |
1918 | |
1819 | #ifndef _WIN32 |
1919 | #ifndef _WIN32 |
… | |
… | |
1826 | |
1926 | |
1827 | void |
1927 | void |
1828 | ev_default_fork (void) |
1928 | ev_default_fork (void) |
1829 | { |
1929 | { |
1830 | #if EV_MULTIPLICITY |
1930 | #if EV_MULTIPLICITY |
1831 | struct ev_loop *loop = ev_default_loop_ptr; |
1931 | EV_P = ev_default_loop_ptr; |
1832 | #endif |
1932 | #endif |
1833 | |
1933 | |
1834 | postfork = 1; /* must be in line with ev_loop_fork */ |
1934 | postfork = 1; /* must be in line with ev_loop_fork */ |
1835 | } |
1935 | } |
1836 | |
1936 | |
… | |
… | |
2302 | inline_size void |
2402 | inline_size void |
2303 | wlist_del (WL *head, WL elem) |
2403 | wlist_del (WL *head, WL elem) |
2304 | { |
2404 | { |
2305 | while (*head) |
2405 | while (*head) |
2306 | { |
2406 | { |
2307 | if (*head == elem) |
2407 | if (expect_true (*head == elem)) |
2308 | { |
2408 | { |
2309 | *head = elem->next; |
2409 | *head = elem->next; |
2310 | return; |
2410 | break; |
2311 | } |
2411 | } |
2312 | |
2412 | |
2313 | head = &(*head)->next; |
2413 | head = &(*head)->next; |
2314 | } |
2414 | } |
2315 | } |
2415 | } |
… | |
… | |
2569 | #endif |
2669 | #endif |
2570 | |
2670 | |
2571 | void noinline |
2671 | void noinline |
2572 | ev_signal_start (EV_P_ ev_signal *w) |
2672 | ev_signal_start (EV_P_ ev_signal *w) |
2573 | { |
2673 | { |
2574 | #if EV_MULTIPLICITY |
|
|
2575 | assert (("libev: signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
|
|
2576 | #endif |
|
|
2577 | if (expect_false (ev_is_active (w))) |
2674 | if (expect_false (ev_is_active (w))) |
2578 | return; |
2675 | return; |
2579 | |
2676 | |
2580 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0)); |
2677 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
2581 | |
2678 | |
2582 | evpipe_init (EV_A); |
2679 | #if EV_MULTIPLICITY |
|
|
2680 | assert (("libev: a signal must not be attached to two different loops", |
|
|
2681 | !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop)); |
2583 | |
2682 | |
2584 | EV_FREQUENT_CHECK; |
2683 | signals [w->signum - 1].loop = EV_A; |
|
|
2684 | #endif |
2585 | |
2685 | |
|
|
2686 | EV_FREQUENT_CHECK; |
|
|
2687 | |
|
|
2688 | #if EV_USE_SIGNALFD |
|
|
2689 | if (sigfd == -2) |
2586 | { |
2690 | { |
2587 | #ifndef _WIN32 |
2691 | sigfd = signalfd (-1, &sigfd_set, SFD_NONBLOCK | SFD_CLOEXEC); |
2588 | sigset_t full, prev; |
2692 | if (sigfd < 0 && errno == EINVAL) |
2589 | sigfillset (&full); |
2693 | sigfd = signalfd (-1, &sigfd_set, 0); /* retry without flags */ |
2590 | sigprocmask (SIG_SETMASK, &full, &prev); |
|
|
2591 | #endif |
|
|
2592 | |
2694 | |
2593 | array_needsize (ANSIG, signals, signalmax, w->signum, array_init_zero); |
2695 | if (sigfd >= 0) |
|
|
2696 | { |
|
|
2697 | fd_intern (sigfd); /* doing it twice will not hurt */ |
2594 | |
2698 | |
2595 | #ifndef _WIN32 |
2699 | sigemptyset (&sigfd_set); |
2596 | sigprocmask (SIG_SETMASK, &prev, 0); |
2700 | |
2597 | #endif |
2701 | ev_io_init (&sigfd_w, sigfdcb, sigfd, EV_READ); |
|
|
2702 | ev_set_priority (&sigfd_w, EV_MAXPRI); |
|
|
2703 | ev_io_start (EV_A_ &sigfd_w); |
|
|
2704 | ev_unref (EV_A); /* signalfd watcher should not keep loop alive */ |
|
|
2705 | } |
2598 | } |
2706 | } |
|
|
2707 | |
|
|
2708 | if (sigfd >= 0) |
|
|
2709 | { |
|
|
2710 | /* TODO: check .head */ |
|
|
2711 | sigaddset (&sigfd_set, w->signum); |
|
|
2712 | sigprocmask (SIG_BLOCK, &sigfd_set, 0); |
|
|
2713 | |
|
|
2714 | signalfd (sigfd, &sigfd_set, 0); |
|
|
2715 | } |
|
|
2716 | #endif |
2599 | |
2717 | |
2600 | ev_start (EV_A_ (W)w, 1); |
2718 | ev_start (EV_A_ (W)w, 1); |
2601 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
2719 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
2602 | |
2720 | |
2603 | if (!((WL)w)->next) |
2721 | if (!((WL)w)->next) |
|
|
2722 | # if EV_USE_SIGNALFD |
|
|
2723 | if (sigfd < 0) /*TODO*/ |
|
|
2724 | # endif |
2604 | { |
2725 | { |
2605 | #if _WIN32 |
2726 | # if _WIN32 |
2606 | signal (w->signum, ev_sighandler); |
2727 | signal (w->signum, ev_sighandler); |
2607 | #else |
2728 | # else |
2608 | struct sigaction sa = { }; |
2729 | struct sigaction sa; |
|
|
2730 | |
|
|
2731 | evpipe_init (EV_A); |
|
|
2732 | |
2609 | sa.sa_handler = ev_sighandler; |
2733 | sa.sa_handler = ev_sighandler; |
2610 | sigfillset (&sa.sa_mask); |
2734 | sigfillset (&sa.sa_mask); |
2611 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2735 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2612 | sigaction (w->signum, &sa, 0); |
2736 | sigaction (w->signum, &sa, 0); |
|
|
2737 | |
|
|
2738 | sigemptyset (&sa.sa_mask); |
|
|
2739 | sigaddset (&sa.sa_mask, w->signum); |
|
|
2740 | sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0); |
2613 | #endif |
2741 | #endif |
2614 | } |
2742 | } |
2615 | |
2743 | |
2616 | EV_FREQUENT_CHECK; |
2744 | EV_FREQUENT_CHECK; |
2617 | } |
2745 | } |
2618 | |
2746 | |
2619 | void noinline |
2747 | void noinline |
… | |
… | |
2627 | |
2755 | |
2628 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2756 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2629 | ev_stop (EV_A_ (W)w); |
2757 | ev_stop (EV_A_ (W)w); |
2630 | |
2758 | |
2631 | if (!signals [w->signum - 1].head) |
2759 | if (!signals [w->signum - 1].head) |
|
|
2760 | { |
|
|
2761 | #if EV_MULTIPLICITY |
|
|
2762 | signals [w->signum - 1].loop = 0; /* unattach from signal */ |
|
|
2763 | #endif |
|
|
2764 | #if EV_USE_SIGNALFD |
|
|
2765 | if (sigfd >= 0) |
|
|
2766 | { |
|
|
2767 | sigprocmask (SIG_UNBLOCK, &sigfd_set, 0);//D |
|
|
2768 | sigdelset (&sigfd_set, w->signum); |
|
|
2769 | signalfd (sigfd, &sigfd_set, 0); |
|
|
2770 | sigprocmask (SIG_BLOCK, &sigfd_set, 0);//D |
|
|
2771 | /*TODO: maybe unblock signal? */ |
|
|
2772 | } |
|
|
2773 | else |
|
|
2774 | #endif |
2632 | signal (w->signum, SIG_DFL); |
2775 | signal (w->signum, SIG_DFL); |
|
|
2776 | } |
2633 | |
2777 | |
2634 | EV_FREQUENT_CHECK; |
2778 | EV_FREQUENT_CHECK; |
2635 | } |
2779 | } |
2636 | |
2780 | |
2637 | void |
2781 | void |
… | |
… | |
3117 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3261 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3118 | { |
3262 | { |
3119 | ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare)); |
3263 | ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare)); |
3120 | |
3264 | |
3121 | { |
3265 | { |
3122 | struct ev_loop *loop = w->other; |
3266 | EV_P = w->other; |
3123 | |
3267 | |
3124 | while (fdchangecnt) |
3268 | while (fdchangecnt) |
3125 | { |
3269 | { |
3126 | fd_reify (EV_A); |
3270 | fd_reify (EV_A); |
3127 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3271 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
… | |
… | |
3135 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
3279 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
3136 | |
3280 | |
3137 | ev_embed_stop (EV_A_ w); |
3281 | ev_embed_stop (EV_A_ w); |
3138 | |
3282 | |
3139 | { |
3283 | { |
3140 | struct ev_loop *loop = w->other; |
3284 | EV_P = w->other; |
3141 | |
3285 | |
3142 | ev_loop_fork (EV_A); |
3286 | ev_loop_fork (EV_A); |
3143 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3287 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3144 | } |
3288 | } |
3145 | |
3289 | |
… | |
… | |
3159 | { |
3303 | { |
3160 | if (expect_false (ev_is_active (w))) |
3304 | if (expect_false (ev_is_active (w))) |
3161 | return; |
3305 | return; |
3162 | |
3306 | |
3163 | { |
3307 | { |
3164 | struct ev_loop *loop = w->other; |
3308 | EV_P = w->other; |
3165 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
3309 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
3166 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
3310 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
3167 | } |
3311 | } |
3168 | |
3312 | |
3169 | EV_FREQUENT_CHECK; |
3313 | EV_FREQUENT_CHECK; |
… | |
… | |
3281 | |
3425 | |
3282 | void |
3426 | void |
3283 | ev_async_send (EV_P_ ev_async *w) |
3427 | ev_async_send (EV_P_ ev_async *w) |
3284 | { |
3428 | { |
3285 | w->sent = 1; |
3429 | w->sent = 1; |
3286 | evpipe_write (EV_A_ &gotasync); |
3430 | evpipe_write (EV_A_ &async_pending); |
3287 | } |
3431 | } |
3288 | #endif |
3432 | #endif |
3289 | |
3433 | |
3290 | /*****************************************************************************/ |
3434 | /*****************************************************************************/ |
3291 | |
3435 | |
… | |
… | |
3440 | if (types & EV_CHECK) |
3584 | if (types & EV_CHECK) |
3441 | for (i = checkcnt; i--; ) |
3585 | for (i = checkcnt; i--; ) |
3442 | cb (EV_A_ EV_CHECK, checks [i]); |
3586 | cb (EV_A_ EV_CHECK, checks [i]); |
3443 | |
3587 | |
3444 | if (types & EV_SIGNAL) |
3588 | if (types & EV_SIGNAL) |
3445 | for (i = 0; i < signalmax; ++i) |
3589 | for (i = 0; i < EV_NSIG - 1; ++i) |
3446 | for (wl = signals [i].head; wl; ) |
3590 | for (wl = signals [i].head; wl; ) |
3447 | { |
3591 | { |
3448 | wn = wl->next; |
3592 | wn = wl->next; |
3449 | cb (EV_A_ EV_SIGNAL, wl); |
3593 | cb (EV_A_ EV_SIGNAL, wl); |
3450 | wl = wn; |
3594 | wl = wn; |