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Comparing libev/ev.c (file contents):
Revision 1.293 by root, Mon Jun 29 18:46:52 2009 UTC vs.
Revision 1.312 by root, Wed Aug 12 18:48:17 2009 UTC

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
345extern "C" { 398extern "C" {
346# endif 399# endif
347int eventfd (unsigned int initval, int flags); 400int 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
391# define inline_speed static noinline 448# define inline_speed static noinline
392#else 449#else
393# define inline_speed static inline 450# define inline_speed static inline
394#endif 451#endif
395 452
396#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) 453#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
454
455#if EV_MINPRI == EV_MAXPRI
456# define ABSPRI(w) (((W)w), 0)
457#else
397#define ABSPRI(w) (((W)w)->priority - EV_MINPRI) 458# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)
459#endif
398 460
399#define EMPTY /* required for microsofts broken pseudo-c compiler */ 461#define EMPTY /* required for microsofts broken pseudo-c compiler */
400#define EMPTY2(a,b) /* used to suppress some warnings */ 462#define EMPTY2(a,b) /* used to suppress some warnings */
401 463
402typedef ev_watcher *W; 464typedef ev_watcher *W;
485#define ev_malloc(size) ev_realloc (0, (size)) 547#define ev_malloc(size) ev_realloc (0, (size))
486#define ev_free(ptr) ev_realloc ((ptr), 0) 548#define ev_free(ptr) ev_realloc ((ptr), 0)
487 549
488/*****************************************************************************/ 550/*****************************************************************************/
489 551
552/* set in reify when reification needed */
553#define EV_ANFD_REIFY 1
554
490/* file descriptor info structure */ 555/* file descriptor info structure */
491typedef struct 556typedef struct
492{ 557{
493 WL head; 558 WL head;
494 unsigned char events; /* the events watched for */ 559 unsigned char events; /* the events watched for */
495 unsigned char reify; /* flag set when this ANFD needs reification */ 560 unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */
496 unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ 561 unsigned char emask; /* the epoll backend stores the actual kernel mask in here */
497 unsigned char unused; 562 unsigned char unused;
498#if EV_USE_EPOLL 563#if EV_USE_EPOLL
499 unsigned int egen; /* generation counter to counter epoll bugs */ 564 unsigned int egen; /* generation counter to counter epoll bugs */
500#endif 565#endif
562 627
563 static int ev_default_loop_ptr; 628 static int ev_default_loop_ptr;
564 629
565#endif 630#endif
566 631
632#if EV_MINIMAL < 2
633# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A)
634# define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A)
635# define EV_INVOKE_PENDING invoke_cb (EV_A)
636#else
637# define EV_RELEASE_CB (void)0
638# define EV_ACQUIRE_CB (void)0
639# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)
640#endif
641
642#define EVUNLOOP_RECURSE 0x80
643
567/*****************************************************************************/ 644/*****************************************************************************/
568 645
569#ifndef EV_HAVE_EV_TIME 646#ifndef EV_HAVE_EV_TIME
570ev_tstamp 647ev_tstamp
571ev_time (void) 648ev_time (void)
627 704
628 tv.tv_sec = (time_t)delay; 705 tv.tv_sec = (time_t)delay;
629 tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); 706 tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);
630 707
631 /* 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 */
632 /* somehting not guaranteed by newer posix versions, but guaranteed */ 709 /* something not guaranteed by newer posix versions, but guaranteed */
633 /* by older ones */ 710 /* by older ones */
634 select (0, 0, 0, 0, &tv); 711 select (0, 0, 0, 0, &tv);
635#endif 712#endif
636 } 713 }
637} 714}
745} 822}
746 823
747/*****************************************************************************/ 824/*****************************************************************************/
748 825
749inline_speed void 826inline_speed void
750fd_event (EV_P_ int fd, int revents) 827fd_event_nc (EV_P_ int fd, int revents)
751{ 828{
752 ANFD *anfd = anfds + fd; 829 ANFD *anfd = anfds + fd;
753 ev_io *w; 830 ev_io *w;
754 831
755 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) 832 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
759 if (ev) 836 if (ev)
760 ev_feed_event (EV_A_ (W)w, ev); 837 ev_feed_event (EV_A_ (W)w, ev);
761 } 838 }
762} 839}
763 840
841/* do not submit kernel events for fds that have reify set */
842/* because that means they changed while we were polling for new events */
843inline_speed void
844fd_event (EV_P_ int fd, int revents)
845{
846 ANFD *anfd = anfds + fd;
847
848 if (expect_true (!anfd->reify))
849 fd_event_nc (EV_A_ fd, revents);
850}
851
764void 852void
765ev_feed_fd_event (EV_P_ int fd, int revents) 853ev_feed_fd_event (EV_P_ int fd, int revents)
766{ 854{
767 if (fd >= 0 && fd < anfdmax) 855 if (fd >= 0 && fd < anfdmax)
768 fd_event (EV_A_ fd, revents); 856 fd_event_nc (EV_A_ fd, revents);
769} 857}
770 858
771/* make sure the external fd watch events are in-sync */ 859/* make sure the external fd watch events are in-sync */
772/* with the kernel/libev internal state */ 860/* with the kernel/libev internal state */
773inline_size void 861inline_size void
873 961
874 for (fd = anfdmax; fd--; ) 962 for (fd = anfdmax; fd--; )
875 if (anfds [fd].events) 963 if (anfds [fd].events)
876 { 964 {
877 fd_kill (EV_A_ fd); 965 fd_kill (EV_A_ fd);
878 return; 966 break;
879 } 967 }
880} 968}
881 969
882/* 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 */
883static void noinline 971static void noinline
888 for (fd = 0; fd < anfdmax; ++fd) 976 for (fd = 0; fd < anfdmax; ++fd)
889 if (anfds [fd].events) 977 if (anfds [fd].events)
890 { 978 {
891 anfds [fd].events = 0; 979 anfds [fd].events = 0;
892 anfds [fd].emask = 0; 980 anfds [fd].emask = 0;
893 fd_change (EV_A_ fd, EV__IOFDSET | 1); 981 fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY);
894 } 982 }
895} 983}
896 984
897/*****************************************************************************/ 985/*****************************************************************************/
898 986
973 1061
974 for (;;) 1062 for (;;)
975 { 1063 {
976 int c = k << 1; 1064 int c = k << 1;
977 1065
978 if (c > N + HEAP0 - 1) 1066 if (c >= N + HEAP0)
979 break; 1067 break;
980 1068
981 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])
982 ? 1 : 0; 1070 ? 1 : 0;
983 1071
1019 1107
1020/* move an element suitably so it is in a correct place */ 1108/* move an element suitably so it is in a correct place */
1021inline_size void 1109inline_size void
1022adjustheap (ANHE *heap, int N, int k) 1110adjustheap (ANHE *heap, int N, int k)
1023{ 1111{
1024 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)]))
1025 upheap (heap, k); 1113 upheap (heap, k);
1026 else 1114 else
1027 downheap (heap, N, k); 1115 downheap (heap, N, k);
1028} 1116}
1029 1117
1042/*****************************************************************************/ 1130/*****************************************************************************/
1043 1131
1044/* associate signal watchers to a signal signal */ 1132/* associate signal watchers to a signal signal */
1045typedef struct 1133typedef struct
1046{ 1134{
1135 EV_ATOMIC_T pending;
1136#if EV_MULTIPLICITY
1137 EV_P;
1138#endif
1047 WL head; 1139 WL head;
1048 EV_ATOMIC_T gotsig;
1049} ANSIG; 1140} ANSIG;
1050 1141
1051static ANSIG *signals; 1142static ANSIG signals [EV_NSIG - 1];
1052static int signalmax;
1053
1054static EV_ATOMIC_T gotsig;
1055 1143
1056/*****************************************************************************/ 1144/*****************************************************************************/
1057 1145
1058/* used to prepare libev internal fd's */ 1146/* used to prepare libev internal fd's */
1059/* this is not fork-safe */ 1147/* this is not fork-safe */
1073evpipe_init (EV_P) 1161evpipe_init (EV_P)
1074{ 1162{
1075 if (!ev_is_active (&pipe_w)) 1163 if (!ev_is_active (&pipe_w))
1076 { 1164 {
1077#if EV_USE_EVENTFD 1165#if EV_USE_EVENTFD
1166 evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1167 if (evfd < 0 && errno == EINVAL)
1078 if ((evfd = eventfd (0, 0)) >= 0) 1168 evfd = eventfd (0, 0);
1169
1170 if (evfd >= 0)
1079 { 1171 {
1080 evpipe [0] = -1; 1172 evpipe [0] = -1;
1081 fd_intern (evfd); 1173 fd_intern (evfd); /* doing it twice doesn't hurt */
1082 ev_io_set (&pipe_w, evfd, EV_READ); 1174 ev_io_set (&pipe_w, evfd, EV_READ);
1083 } 1175 }
1084 else 1176 else
1085#endif 1177#endif
1086 { 1178 {
1123/* called whenever the libev signal pipe */ 1215/* called whenever the libev signal pipe */
1124/* got some events (signal, async) */ 1216/* got some events (signal, async) */
1125static void 1217static void
1126pipecb (EV_P_ ev_io *iow, int revents) 1218pipecb (EV_P_ ev_io *iow, int revents)
1127{ 1219{
1220 int i;
1221
1128#if EV_USE_EVENTFD 1222#if EV_USE_EVENTFD
1129 if (evfd >= 0) 1223 if (evfd >= 0)
1130 { 1224 {
1131 uint64_t counter; 1225 uint64_t counter;
1132 read (evfd, &counter, sizeof (uint64_t)); 1226 read (evfd, &counter, sizeof (uint64_t));
1136 { 1230 {
1137 char dummy; 1231 char dummy;
1138 read (evpipe [0], &dummy, 1); 1232 read (evpipe [0], &dummy, 1);
1139 } 1233 }
1140 1234
1141 if (gotsig && ev_is_default_loop (EV_A)) 1235 if (sig_pending)
1142 { 1236 {
1143 int signum; 1237 sig_pending = 0;
1144 gotsig = 0;
1145 1238
1146 for (signum = signalmax; signum--; ) 1239 for (i = EV_NSIG - 1; i--; )
1147 if (signals [signum].gotsig) 1240 if (expect_false (signals [i].pending))
1148 ev_feed_signal_event (EV_A_ signum + 1); 1241 ev_feed_signal_event (EV_A_ i + 1);
1149 } 1242 }
1150 1243
1151#if EV_ASYNC_ENABLE 1244#if EV_ASYNC_ENABLE
1152 if (gotasync) 1245 if (async_pending)
1153 { 1246 {
1154 int i; 1247 async_pending = 0;
1155 gotasync = 0;
1156 1248
1157 for (i = asynccnt; i--; ) 1249 for (i = asynccnt; i--; )
1158 if (asyncs [i]->sent) 1250 if (asyncs [i]->sent)
1159 { 1251 {
1160 asyncs [i]->sent = 0; 1252 asyncs [i]->sent = 0;
1168 1260
1169static void 1261static void
1170ev_sighandler (int signum) 1262ev_sighandler (int signum)
1171{ 1263{
1172#if EV_MULTIPLICITY 1264#if EV_MULTIPLICITY
1173 struct ev_loop *loop = &default_loop_struct; 1265 EV_P = signals [signum - 1].loop;
1174#endif 1266#endif
1175 1267
1176#if _WIN32 1268#if _WIN32
1177 signal (signum, ev_sighandler); 1269 signal (signum, ev_sighandler);
1178#endif 1270#endif
1179 1271
1180 signals [signum - 1].gotsig = 1; 1272 signals [signum - 1].pending = 1;
1181 evpipe_write (EV_A_ &gotsig); 1273 evpipe_write (EV_A_ &sig_pending);
1182} 1274}
1183 1275
1184void noinline 1276void noinline
1185ev_feed_signal_event (EV_P_ int signum) 1277ev_feed_signal_event (EV_P_ int signum)
1186{ 1278{
1187 WL w; 1279 WL w;
1188 1280
1281 if (expect_false (signum <= 0 || signum > EV_NSIG))
1282 return;
1283
1284 --signum;
1285
1189#if EV_MULTIPLICITY 1286#if EV_MULTIPLICITY
1190 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 */
1191#endif 1288 /* or, likely more useful, feeding a signal nobody is waiting for */
1192 1289
1193 --signum; 1290 if (expect_false (signals [signum].loop != EV_A))
1194
1195 if (signum < 0 || signum >= signalmax)
1196 return; 1291 return;
1292#endif
1197 1293
1198 signals [signum].gotsig = 0; 1294 signals [signum].pending = 0;
1199 1295
1200 for (w = signals [signum].head; w; w = w->next) 1296 for (w = signals [signum].head; w; w = w->next)
1201 ev_feed_event (EV_A_ (W)w, EV_SIGNAL); 1297 ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1202} 1298}
1299
1300#if EV_USE_SIGNALFD
1301static void
1302sigfdcb (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
1203 1319
1204/*****************************************************************************/ 1320/*****************************************************************************/
1205 1321
1206static WL childs [EV_PID_HASHSIZE]; 1322static WL childs [EV_PID_HASHSIZE];
1207 1323
1352ev_backend (EV_P) 1468ev_backend (EV_P)
1353{ 1469{
1354 return backend; 1470 return backend;
1355} 1471}
1356 1472
1473#if EV_MINIMAL < 2
1357unsigned int 1474unsigned int
1358ev_loop_count (EV_P) 1475ev_loop_count (EV_P)
1359{ 1476{
1360 return loop_count; 1477 return loop_count;
1361} 1478}
1362 1479
1480unsigned int
1481ev_loop_depth (EV_P)
1482{
1483 return loop_depth;
1484}
1485
1363void 1486void
1364ev_set_io_collect_interval (EV_P_ ev_tstamp interval) 1487ev_set_io_collect_interval (EV_P_ ev_tstamp interval)
1365{ 1488{
1366 io_blocktime = interval; 1489 io_blocktime = interval;
1367} 1490}
1369void 1492void
1370ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) 1493ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)
1371{ 1494{
1372 timeout_blocktime = interval; 1495 timeout_blocktime = interval;
1373} 1496}
1497
1498void
1499ev_set_userdata (EV_P_ void *data)
1500{
1501 userdata = data;
1502}
1503
1504void *
1505ev_userdata (EV_P)
1506{
1507 return userdata;
1508}
1509
1510void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P))
1511{
1512 invoke_cb = invoke_pending_cb;
1513}
1514
1515void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P))
1516{
1517 release_cb = release;
1518 acquire_cb = acquire;
1519}
1520#endif
1374 1521
1375/* initialise a loop structure, must be zero-initialised */ 1522/* initialise a loop structure, must be zero-initialised */
1376static void noinline 1523static void noinline
1377loop_init (EV_P_ unsigned int flags) 1524loop_init (EV_P_ unsigned int flags)
1378{ 1525{
1396 if (!clock_gettime (CLOCK_MONOTONIC, &ts)) 1543 if (!clock_gettime (CLOCK_MONOTONIC, &ts))
1397 have_monotonic = 1; 1544 have_monotonic = 1;
1398 } 1545 }
1399#endif 1546#endif
1400 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
1401 ev_rt_now = ev_time (); 1559 ev_rt_now = ev_time ();
1402 mn_now = get_clock (); 1560 mn_now = get_clock ();
1403 now_floor = mn_now; 1561 now_floor = mn_now;
1404 rtmn_diff = ev_rt_now - mn_now; 1562 rtmn_diff = ev_rt_now - mn_now;
1563#if EV_MINIMAL < 2
1564 invoke_cb = ev_invoke_pending;
1565#endif
1405 1566
1406 io_blocktime = 0.; 1567 io_blocktime = 0.;
1407 timeout_blocktime = 0.; 1568 timeout_blocktime = 0.;
1408 backend = 0; 1569 backend = 0;
1409 backend_fd = -1; 1570 backend_fd = -1;
1410 gotasync = 0; 1571 sig_pending = 0;
1572#if EV_ASYNC_ENABLE
1573 async_pending = 0;
1574#endif
1411#if EV_USE_INOTIFY 1575#if EV_USE_INOTIFY
1412 fs_fd = -2; 1576 fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
1413#endif 1577#endif
1414 1578#if EV_USE_SIGNALFD
1415 /* pid check not overridable via env */ 1579 sigfd = flags & EVFLAG_NOSIGFD ? -1 : -2;
1416#ifndef _WIN32
1417 if (flags & EVFLAG_FORKCHECK)
1418 curpid = getpid ();
1419#endif 1580#endif
1420
1421 if (!(flags & EVFLAG_NOENV)
1422 && !enable_secure ()
1423 && getenv ("LIBEV_FLAGS"))
1424 flags = atoi (getenv ("LIBEV_FLAGS"));
1425 1581
1426 if (!(flags & 0x0000ffffU)) 1582 if (!(flags & 0x0000ffffU))
1427 flags |= ev_recommended_backends (); 1583 flags |= ev_recommended_backends ();
1428 1584
1429#if EV_USE_PORT 1585#if EV_USE_PORT
1455{ 1611{
1456 int i; 1612 int i;
1457 1613
1458 if (ev_is_active (&pipe_w)) 1614 if (ev_is_active (&pipe_w))
1459 { 1615 {
1460 ev_ref (EV_A); /* signal watcher */ 1616 /*ev_ref (EV_A);*/
1461 ev_io_stop (EV_A_ &pipe_w); 1617 /*ev_io_stop (EV_A_ &pipe_w);*/
1462 1618
1463#if EV_USE_EVENTFD 1619#if EV_USE_EVENTFD
1464 if (evfd >= 0) 1620 if (evfd >= 0)
1465 close (evfd); 1621 close (evfd);
1466#endif 1622#endif
1470 close (evpipe [0]); 1626 close (evpipe [0]);
1471 close (evpipe [1]); 1627 close (evpipe [1]);
1472 } 1628 }
1473 } 1629 }
1474 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
1475#if EV_USE_INOTIFY 1641#if EV_USE_INOTIFY
1476 if (fs_fd >= 0) 1642 if (fs_fd >= 0)
1477 close (fs_fd); 1643 close (fs_fd);
1478#endif 1644#endif
1479 1645
1502#if EV_IDLE_ENABLE 1668#if EV_IDLE_ENABLE
1503 array_free (idle, [i]); 1669 array_free (idle, [i]);
1504#endif 1670#endif
1505 } 1671 }
1506 1672
1507 ev_free (anfds); anfdmax = 0; 1673 ev_free (anfds); anfds = 0; anfdmax = 0;
1508 1674
1509 /* have to use the microsoft-never-gets-it-right macro */ 1675 /* have to use the microsoft-never-gets-it-right macro */
1510 array_free (rfeed, EMPTY); 1676 array_free (rfeed, EMPTY);
1511 array_free (fdchange, EMPTY); 1677 array_free (fdchange, EMPTY);
1512 array_free (timer, EMPTY); 1678 array_free (timer, EMPTY);
1547 1713
1548 if (ev_is_active (&pipe_w)) 1714 if (ev_is_active (&pipe_w))
1549 { 1715 {
1550 /* this "locks" the handlers against writing to the pipe */ 1716 /* this "locks" the handlers against writing to the pipe */
1551 /* while we modify the fd vars */ 1717 /* while we modify the fd vars */
1552 gotsig = 1; 1718 sig_pending = 1;
1553#if EV_ASYNC_ENABLE 1719#if EV_ASYNC_ENABLE
1554 gotasync = 1; 1720 async_pending = 1;
1555#endif 1721#endif
1556 1722
1557 ev_ref (EV_A); 1723 ev_ref (EV_A);
1558 ev_io_stop (EV_A_ &pipe_w); 1724 ev_io_stop (EV_A_ &pipe_w);
1559 1725
1579#if EV_MULTIPLICITY 1745#if EV_MULTIPLICITY
1580 1746
1581struct ev_loop * 1747struct ev_loop *
1582ev_loop_new (unsigned int flags) 1748ev_loop_new (unsigned int flags)
1583{ 1749{
1584 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));
1585 1751
1586 memset (loop, 0, sizeof (struct ev_loop)); 1752 memset (EV_A, 0, sizeof (struct ev_loop));
1587
1588 loop_init (EV_A_ flags); 1753 loop_init (EV_A_ flags);
1589 1754
1590 if (ev_backend (EV_A)) 1755 if (ev_backend (EV_A))
1591 return loop; 1756 return EV_A;
1592 1757
1593 return 0; 1758 return 0;
1594} 1759}
1595 1760
1596void 1761void
1603void 1768void
1604ev_loop_fork (EV_P) 1769ev_loop_fork (EV_P)
1605{ 1770{
1606 postfork = 1; /* must be in line with ev_default_fork */ 1771 postfork = 1; /* must be in line with ev_default_fork */
1607} 1772}
1773#endif /* multiplicity */
1608 1774
1609#if EV_VERIFY 1775#if EV_VERIFY
1610static void noinline 1776static void noinline
1611verify_watcher (EV_P_ W w) 1777verify_watcher (EV_P_ W w)
1612{ 1778{
1640 verify_watcher (EV_A_ ws [cnt]); 1806 verify_watcher (EV_A_ ws [cnt]);
1641 } 1807 }
1642} 1808}
1643#endif 1809#endif
1644 1810
1811#if EV_MINIMAL < 2
1645void 1812void
1646ev_loop_verify (EV_P) 1813ev_loop_verify (EV_P)
1647{ 1814{
1648#if EV_VERIFY 1815#if EV_VERIFY
1649 int i; 1816 int i;
1698 assert (checkmax >= checkcnt); 1865 assert (checkmax >= checkcnt);
1699 array_verify (EV_A_ (W *)checks, checkcnt); 1866 array_verify (EV_A_ (W *)checks, checkcnt);
1700 1867
1701# if 0 1868# if 0
1702 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)
1703 for (signum = signalmax; signum--; ) if (signals [signum].gotsig) 1870 for (signum = EV_NSIG; signum--; ) if (signals [signum].pending)
1704# endif 1871# endif
1705#endif 1872#endif
1706} 1873}
1707 1874#endif
1708#endif /* multiplicity */
1709 1875
1710#if EV_MULTIPLICITY 1876#if EV_MULTIPLICITY
1711struct ev_loop * 1877struct ev_loop *
1712ev_default_loop_init (unsigned int flags) 1878ev_default_loop_init (unsigned int flags)
1713#else 1879#else
1716#endif 1882#endif
1717{ 1883{
1718 if (!ev_default_loop_ptr) 1884 if (!ev_default_loop_ptr)
1719 { 1885 {
1720#if EV_MULTIPLICITY 1886#if EV_MULTIPLICITY
1721 struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; 1887 EV_P = ev_default_loop_ptr = &default_loop_struct;
1722#else 1888#else
1723 ev_default_loop_ptr = 1; 1889 ev_default_loop_ptr = 1;
1724#endif 1890#endif
1725 1891
1726 loop_init (EV_A_ flags); 1892 loop_init (EV_A_ flags);
1743 1909
1744void 1910void
1745ev_default_destroy (void) 1911ev_default_destroy (void)
1746{ 1912{
1747#if EV_MULTIPLICITY 1913#if EV_MULTIPLICITY
1748 struct ev_loop *loop = ev_default_loop_ptr; 1914 EV_P = ev_default_loop_ptr;
1749#endif 1915#endif
1750 1916
1751 ev_default_loop_ptr = 0; 1917 ev_default_loop_ptr = 0;
1752 1918
1753#ifndef _WIN32 1919#ifndef _WIN32
1760 1926
1761void 1927void
1762ev_default_fork (void) 1928ev_default_fork (void)
1763{ 1929{
1764#if EV_MULTIPLICITY 1930#if EV_MULTIPLICITY
1765 struct ev_loop *loop = ev_default_loop_ptr; 1931 EV_P = ev_default_loop_ptr;
1766#endif 1932#endif
1767 1933
1768 postfork = 1; /* must be in line with ev_loop_fork */ 1934 postfork = 1; /* must be in line with ev_loop_fork */
1769} 1935}
1770 1936
1774ev_invoke (EV_P_ void *w, int revents) 1940ev_invoke (EV_P_ void *w, int revents)
1775{ 1941{
1776 EV_CB_INVOKE ((W)w, revents); 1942 EV_CB_INVOKE ((W)w, revents);
1777} 1943}
1778 1944
1779inline_speed void 1945unsigned int
1780call_pending (EV_P) 1946ev_pending_count (EV_P)
1947{
1948 int pri;
1949 unsigned int count = 0;
1950
1951 for (pri = NUMPRI; pri--; )
1952 count += pendingcnt [pri];
1953
1954 return count;
1955}
1956
1957void noinline
1958ev_invoke_pending (EV_P)
1781{ 1959{
1782 int pri; 1960 int pri;
1783 1961
1784 for (pri = NUMPRI; pri--; ) 1962 for (pri = NUMPRI; pri--; )
1785 while (pendingcnt [pri]) 1963 while (pendingcnt [pri])
2020 2198
2021 mn_now = ev_rt_now; 2199 mn_now = ev_rt_now;
2022 } 2200 }
2023} 2201}
2024 2202
2025static int loop_done;
2026
2027void 2203void
2028ev_loop (EV_P_ int flags) 2204ev_loop (EV_P_ int flags)
2029{ 2205{
2206#if EV_MINIMAL < 2
2207 ++loop_depth;
2208#endif
2209
2210 assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE));
2211
2030 loop_done = EVUNLOOP_CANCEL; 2212 loop_done = EVUNLOOP_CANCEL;
2031 2213
2032 call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ 2214 EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */
2033 2215
2034 do 2216 do
2035 { 2217 {
2036#if EV_VERIFY >= 2 2218#if EV_VERIFY >= 2
2037 ev_loop_verify (EV_A); 2219 ev_loop_verify (EV_A);
2050 /* we might have forked, so queue fork handlers */ 2232 /* we might have forked, so queue fork handlers */
2051 if (expect_false (postfork)) 2233 if (expect_false (postfork))
2052 if (forkcnt) 2234 if (forkcnt)
2053 { 2235 {
2054 queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); 2236 queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
2055 call_pending (EV_A); 2237 EV_INVOKE_PENDING;
2056 } 2238 }
2057#endif 2239#endif
2058 2240
2059 /* queue prepare watchers (and execute them) */ 2241 /* queue prepare watchers (and execute them) */
2060 if (expect_false (preparecnt)) 2242 if (expect_false (preparecnt))
2061 { 2243 {
2062 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); 2244 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
2063 call_pending (EV_A); 2245 EV_INVOKE_PENDING;
2064 } 2246 }
2247
2248 if (expect_false (loop_done))
2249 break;
2065 2250
2066 /* we might have forked, so reify kernel state if necessary */ 2251 /* we might have forked, so reify kernel state if necessary */
2067 if (expect_false (postfork)) 2252 if (expect_false (postfork))
2068 loop_fork (EV_A); 2253 loop_fork (EV_A);
2069 2254
2117 waittime -= sleeptime; 2302 waittime -= sleeptime;
2118 } 2303 }
2119 } 2304 }
2120 } 2305 }
2121 2306
2307#if EV_MINIMAL < 2
2122 ++loop_count; 2308 ++loop_count;
2309#endif
2310 assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */
2123 backend_poll (EV_A_ waittime); 2311 backend_poll (EV_A_ waittime);
2312 assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */
2124 2313
2125 /* update ev_rt_now, do magic */ 2314 /* update ev_rt_now, do magic */
2126 time_update (EV_A_ waittime + sleeptime); 2315 time_update (EV_A_ waittime + sleeptime);
2127 } 2316 }
2128 2317
2139 2328
2140 /* queue check watchers, to be executed first */ 2329 /* queue check watchers, to be executed first */
2141 if (expect_false (checkcnt)) 2330 if (expect_false (checkcnt))
2142 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); 2331 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
2143 2332
2144 call_pending (EV_A); 2333 EV_INVOKE_PENDING;
2145 } 2334 }
2146 while (expect_true ( 2335 while (expect_true (
2147 activecnt 2336 activecnt
2148 && !loop_done 2337 && !loop_done
2149 && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) 2338 && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK))
2150 )); 2339 ));
2151 2340
2152 if (loop_done == EVUNLOOP_ONE) 2341 if (loop_done == EVUNLOOP_ONE)
2153 loop_done = EVUNLOOP_CANCEL; 2342 loop_done = EVUNLOOP_CANCEL;
2343
2344#if EV_MINIMAL < 2
2345 --loop_depth;
2346#endif
2154} 2347}
2155 2348
2156void 2349void
2157ev_unloop (EV_P_ int how) 2350ev_unloop (EV_P_ int how)
2158{ 2351{
2209inline_size void 2402inline_size void
2210wlist_del (WL *head, WL elem) 2403wlist_del (WL *head, WL elem)
2211{ 2404{
2212 while (*head) 2405 while (*head)
2213 { 2406 {
2214 if (*head == elem) 2407 if (expect_true (*head == elem))
2215 { 2408 {
2216 *head = elem->next; 2409 *head = elem->next;
2217 return; 2410 break;
2218 } 2411 }
2219 2412
2220 head = &(*head)->next; 2413 head = &(*head)->next;
2221 } 2414 }
2222} 2415}
2250} 2443}
2251 2444
2252inline_size void 2445inline_size void
2253pri_adjust (EV_P_ W w) 2446pri_adjust (EV_P_ W w)
2254{ 2447{
2255 int pri = w->priority; 2448 int pri = ev_priority (w);
2256 pri = pri < EV_MINPRI ? EV_MINPRI : pri; 2449 pri = pri < EV_MINPRI ? EV_MINPRI : pri;
2257 pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; 2450 pri = pri > EV_MAXPRI ? EV_MAXPRI : pri;
2258 w->priority = pri; 2451 ev_set_priority (w, pri);
2259} 2452}
2260 2453
2261inline_speed void 2454inline_speed void
2262ev_start (EV_P_ W w, int active) 2455ev_start (EV_P_ W w, int active)
2263{ 2456{
2290 2483
2291 ev_start (EV_A_ (W)w, 1); 2484 ev_start (EV_A_ (W)w, 1);
2292 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); 2485 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
2293 wlist_add (&anfds[fd].head, (WL)w); 2486 wlist_add (&anfds[fd].head, (WL)w);
2294 2487
2295 fd_change (EV_A_ fd, w->events & EV__IOFDSET | 1); 2488 fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
2296 w->events &= ~EV__IOFDSET; 2489 w->events &= ~EV__IOFDSET;
2297 2490
2298 EV_FREQUENT_CHECK; 2491 EV_FREQUENT_CHECK;
2299} 2492}
2300 2493
2394 } 2587 }
2395 2588
2396 EV_FREQUENT_CHECK; 2589 EV_FREQUENT_CHECK;
2397} 2590}
2398 2591
2592ev_tstamp
2593ev_timer_remaining (EV_P_ ev_timer *w)
2594{
2595 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
2596}
2597
2399#if EV_PERIODIC_ENABLE 2598#if EV_PERIODIC_ENABLE
2400void noinline 2599void noinline
2401ev_periodic_start (EV_P_ ev_periodic *w) 2600ev_periodic_start (EV_P_ ev_periodic *w)
2402{ 2601{
2403 if (expect_false (ev_is_active (w))) 2602 if (expect_false (ev_is_active (w)))
2470#endif 2669#endif
2471 2670
2472void noinline 2671void noinline
2473ev_signal_start (EV_P_ ev_signal *w) 2672ev_signal_start (EV_P_ ev_signal *w)
2474{ 2673{
2475#if EV_MULTIPLICITY
2476 assert (("libev: signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));
2477#endif
2478 if (expect_false (ev_is_active (w))) 2674 if (expect_false (ev_is_active (w)))
2479 return; 2675 return;
2480 2676
2481 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));
2482 2678
2483 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));
2484 2682
2485 EV_FREQUENT_CHECK; 2683 signals [w->signum - 1].loop = EV_A;
2684#endif
2486 2685
2686 EV_FREQUENT_CHECK;
2687
2688#if EV_USE_SIGNALFD
2689 if (sigfd == -2)
2487 { 2690 {
2488#ifndef _WIN32 2691 sigfd = signalfd (-1, &sigfd_set, SFD_NONBLOCK | SFD_CLOEXEC);
2489 sigset_t full, prev; 2692 if (sigfd < 0 && errno == EINVAL)
2490 sigfillset (&full); 2693 sigfd = signalfd (-1, &sigfd_set, 0); /* retry without flags */
2491 sigprocmask (SIG_SETMASK, &full, &prev);
2492#endif
2493 2694
2494 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 */
2495 2698
2496#ifndef _WIN32 2699 sigemptyset (&sigfd_set);
2497 sigprocmask (SIG_SETMASK, &prev, 0); 2700
2498#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 }
2499 } 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
2500 2717
2501 ev_start (EV_A_ (W)w, 1); 2718 ev_start (EV_A_ (W)w, 1);
2502 wlist_add (&signals [w->signum - 1].head, (WL)w); 2719 wlist_add (&signals [w->signum - 1].head, (WL)w);
2503 2720
2504 if (!((WL)w)->next) 2721 if (!((WL)w)->next)
2722# if EV_USE_SIGNALFD
2723 if (sigfd < 0) /*TODO*/
2724# endif
2505 { 2725 {
2506#if _WIN32 2726# if _WIN32
2507 signal (w->signum, ev_sighandler); 2727 signal (w->signum, ev_sighandler);
2508#else 2728# else
2509 struct sigaction sa; 2729 struct sigaction sa;
2730
2731 evpipe_init (EV_A);
2732
2510 sa.sa_handler = ev_sighandler; 2733 sa.sa_handler = ev_sighandler;
2511 sigfillset (&sa.sa_mask); 2734 sigfillset (&sa.sa_mask);
2512 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 */
2513 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);
2514#endif 2741#endif
2515 } 2742 }
2516 2743
2517 EV_FREQUENT_CHECK; 2744 EV_FREQUENT_CHECK;
2518} 2745}
2519 2746
2520void noinline 2747void noinline
2528 2755
2529 wlist_del (&signals [w->signum - 1].head, (WL)w); 2756 wlist_del (&signals [w->signum - 1].head, (WL)w);
2530 ev_stop (EV_A_ (W)w); 2757 ev_stop (EV_A_ (W)w);
2531 2758
2532 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
2533 signal (w->signum, SIG_DFL); 2775 signal (w->signum, SIG_DFL);
2776 }
2534 2777
2535 EV_FREQUENT_CHECK; 2778 EV_FREQUENT_CHECK;
2536} 2779}
2537 2780
2538void 2781void
2618 } 2861 }
2619 } 2862 }
2620 2863
2621 if (w->wd >= 0) 2864 if (w->wd >= 0)
2622 { 2865 {
2866 struct statfs sfs;
2867
2623 wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); 2868 wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);
2624 2869
2625 /* now local changes will be tracked by inotify, but remote changes won't */ 2870 /* now local changes will be tracked by inotify, but remote changes won't */
2626 /* unless the filesystem it known to be local, we therefore still poll */ 2871 /* unless the filesystem it known to be local, we therefore still poll */
2627 /* also do poll on <2.6.25, but with normal frequency */ 2872 /* also do poll on <2.6.25, but with normal frequency */
2628 struct statfs sfs;
2629 2873
2630 if (fs_2625 && !statfs (w->path, &sfs)) 2874 if (fs_2625 && !statfs (w->path, &sfs))
2631 if (sfs.f_type == 0x1373 /* devfs */ 2875 if (sfs.f_type == 0x1373 /* devfs */
2632 || sfs.f_type == 0xEF53 /* ext2/3 */ 2876 || sfs.f_type == 0xEF53 /* ext2/3 */
2633 || sfs.f_type == 0x3153464a /* jfs */ 2877 || sfs.f_type == 0x3153464a /* jfs */
3018embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) 3262embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)
3019{ 3263{
3020 ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare)); 3264 ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare));
3021 3265
3022 { 3266 {
3023 struct ev_loop *loop = w->other; 3267 EV_P = w->other;
3024 3268
3025 while (fdchangecnt) 3269 while (fdchangecnt)
3026 { 3270 {
3027 fd_reify (EV_A); 3271 fd_reify (EV_A);
3028 ev_loop (EV_A_ EVLOOP_NONBLOCK); 3272 ev_loop (EV_A_ EVLOOP_NONBLOCK);
3036 ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); 3280 ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork));
3037 3281
3038 ev_embed_stop (EV_A_ w); 3282 ev_embed_stop (EV_A_ w);
3039 3283
3040 { 3284 {
3041 struct ev_loop *loop = w->other; 3285 EV_P = w->other;
3042 3286
3043 ev_loop_fork (EV_A); 3287 ev_loop_fork (EV_A);
3044 ev_loop (EV_A_ EVLOOP_NONBLOCK); 3288 ev_loop (EV_A_ EVLOOP_NONBLOCK);
3045 } 3289 }
3046 3290
3060{ 3304{
3061 if (expect_false (ev_is_active (w))) 3305 if (expect_false (ev_is_active (w)))
3062 return; 3306 return;
3063 3307
3064 { 3308 {
3065 struct ev_loop *loop = w->other; 3309 EV_P = w->other;
3066 assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); 3310 assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
3067 ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); 3311 ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ);
3068 } 3312 }
3069 3313
3070 EV_FREQUENT_CHECK; 3314 EV_FREQUENT_CHECK;
3182 3426
3183void 3427void
3184ev_async_send (EV_P_ ev_async *w) 3428ev_async_send (EV_P_ ev_async *w)
3185{ 3429{
3186 w->sent = 1; 3430 w->sent = 1;
3187 evpipe_write (EV_A_ &gotasync); 3431 evpipe_write (EV_A_ &async_pending);
3188} 3432}
3189#endif 3433#endif
3190 3434
3191/*****************************************************************************/ 3435/*****************************************************************************/
3192 3436
3341 if (types & EV_CHECK) 3585 if (types & EV_CHECK)
3342 for (i = checkcnt; i--; ) 3586 for (i = checkcnt; i--; )
3343 cb (EV_A_ EV_CHECK, checks [i]); 3587 cb (EV_A_ EV_CHECK, checks [i]);
3344 3588
3345 if (types & EV_SIGNAL) 3589 if (types & EV_SIGNAL)
3346 for (i = 0; i < signalmax; ++i) 3590 for (i = 0; i < EV_NSIG - 1; ++i)
3347 for (wl = signals [i].head; wl; ) 3591 for (wl = signals [i].head; wl; )
3348 { 3592 {
3349 wn = wl->next; 3593 wn = wl->next;
3350 cb (EV_A_ EV_SIGNAL, wl); 3594 cb (EV_A_ EV_SIGNAL, wl);
3351 wl = wn; 3595 wl = wn;

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