… | |
… | |
117 | # define EV_USE_EPOLL 0 |
117 | # define EV_USE_EPOLL 0 |
118 | # endif |
118 | # endif |
119 | |
119 | |
120 | # if HAVE_LINUX_AIO_ABI_H |
120 | # if HAVE_LINUX_AIO_ABI_H |
121 | # ifndef EV_USE_LINUXAIO |
121 | # ifndef EV_USE_LINUXAIO |
122 | # define EV_USE_LINUXAIO EV_FEATURE_BACKENDS |
122 | # define EV_USE_LINUXAIO 0 /* was: EV_FEATURE_BACKENDS, always off by default */ |
123 | # endif |
123 | # endif |
124 | # else |
124 | # else |
125 | # undef EV_USE_LINUXAIO |
125 | # undef EV_USE_LINUXAIO |
126 | # define EV_USE_LINUXAIO 0 |
126 | # define EV_USE_LINUXAIO 0 |
127 | # endif |
127 | # endif |
128 | |
128 | |
|
|
129 | # if HAVE_LINUX_FS_H && HAVE_SYS_TIMERFD_H && HAVE_KERNEL_RWF_T |
|
|
130 | # ifndef EV_USE_IOURING |
|
|
131 | # define EV_USE_IOURING EV_FEATURE_BACKENDS |
|
|
132 | # endif |
|
|
133 | # else |
|
|
134 | # undef EV_USE_IOURING |
|
|
135 | # define EV_USE_IOURING 0 |
|
|
136 | # endif |
|
|
137 | |
129 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H |
138 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H |
130 | # ifndef EV_USE_KQUEUE |
139 | # ifndef EV_USE_KQUEUE |
131 | # define EV_USE_KQUEUE EV_FEATURE_BACKENDS |
140 | # define EV_USE_KQUEUE EV_FEATURE_BACKENDS |
132 | # endif |
141 | # endif |
133 | # else |
142 | # else |
… | |
… | |
168 | # endif |
177 | # endif |
169 | # else |
178 | # else |
170 | # undef EV_USE_EVENTFD |
179 | # undef EV_USE_EVENTFD |
171 | # define EV_USE_EVENTFD 0 |
180 | # define EV_USE_EVENTFD 0 |
172 | # endif |
181 | # endif |
173 | |
182 | |
|
|
183 | # if HAVE_SYS_TIMERFD_H |
|
|
184 | # ifndef EV_USE_TIMERFD |
|
|
185 | # define EV_USE_TIMERFD EV_FEATURE_OS |
|
|
186 | # endif |
|
|
187 | # else |
|
|
188 | # undef EV_USE_TIMERFD |
|
|
189 | # define EV_USE_TIMERFD 0 |
|
|
190 | # endif |
|
|
191 | |
174 | #endif |
192 | #endif |
175 | |
193 | |
176 | /* OS X, in its infinite idiocy, actually HARDCODES |
194 | /* OS X, in its infinite idiocy, actually HARDCODES |
177 | * a limit of 1024 into their select. Where people have brains, |
195 | * a limit of 1024 into their select. Where people have brains, |
178 | * OS X engineers apparently have a vacuum. Or maybe they were |
196 | * OS X engineers apparently have a vacuum. Or maybe they were |
… | |
… | |
326 | # define EV_USE_PORT 0 |
344 | # define EV_USE_PORT 0 |
327 | #endif |
345 | #endif |
328 | |
346 | |
329 | #ifndef EV_USE_LINUXAIO |
347 | #ifndef EV_USE_LINUXAIO |
330 | # if __linux /* libev currently assumes linux/aio_abi.h is always available on linux */ |
348 | # if __linux /* libev currently assumes linux/aio_abi.h is always available on linux */ |
331 | # define EV_USE_LINUXAIO 1 |
349 | # define EV_USE_LINUXAIO 0 /* was: 1, always off by default */ |
332 | # else |
350 | # else |
333 | # define EV_USE_LINUXAIO 0 |
351 | # define EV_USE_LINUXAIO 0 |
334 | # endif |
352 | # endif |
335 | #endif |
353 | #endif |
336 | |
354 | |
337 | #ifndef EV_USE_IOURING |
355 | #ifndef EV_USE_IOURING |
338 | # if __linux |
356 | # if __linux /* later checks might disable again */ |
339 | # define EV_USE_IOURING 0 |
357 | # define EV_USE_IOURING 1 |
340 | # else |
358 | # else |
341 | # define EV_USE_IOURING 0 |
359 | # define EV_USE_IOURING 0 |
342 | # endif |
360 | # endif |
343 | #endif |
361 | #endif |
344 | |
362 | |
… | |
… | |
369 | #ifndef EV_USE_SIGNALFD |
387 | #ifndef EV_USE_SIGNALFD |
370 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
388 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
371 | # define EV_USE_SIGNALFD EV_FEATURE_OS |
389 | # define EV_USE_SIGNALFD EV_FEATURE_OS |
372 | # else |
390 | # else |
373 | # define EV_USE_SIGNALFD 0 |
391 | # define EV_USE_SIGNALFD 0 |
|
|
392 | # endif |
|
|
393 | #endif |
|
|
394 | |
|
|
395 | #ifndef EV_USE_TIMERFD |
|
|
396 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 8)) |
|
|
397 | # define EV_USE_TIMERFD EV_FEATURE_OS |
|
|
398 | # else |
|
|
399 | # define EV_USE_TIMERFD 0 |
374 | # endif |
400 | # endif |
375 | #endif |
401 | #endif |
376 | |
402 | |
377 | #if 0 /* debugging */ |
403 | #if 0 /* debugging */ |
378 | # define EV_VERIFY 3 |
404 | # define EV_VERIFY 3 |
… | |
… | |
438 | #if !EV_STAT_ENABLE |
464 | #if !EV_STAT_ENABLE |
439 | # undef EV_USE_INOTIFY |
465 | # undef EV_USE_INOTIFY |
440 | # define EV_USE_INOTIFY 0 |
466 | # define EV_USE_INOTIFY 0 |
441 | #endif |
467 | #endif |
442 | |
468 | |
|
|
469 | #if __linux && EV_USE_IOURING |
|
|
470 | # include <linux/version.h> |
|
|
471 | # if LINUX_VERSION_CODE < KERNEL_VERSION(4,14,0) |
|
|
472 | # undef EV_USE_IOURING |
|
|
473 | # define EV_USE_IOURING 0 |
|
|
474 | # endif |
|
|
475 | #endif |
|
|
476 | |
443 | #if !EV_USE_NANOSLEEP |
477 | #if !EV_USE_NANOSLEEP |
444 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
478 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
445 | # if !defined _WIN32 && !defined __hpux |
479 | # if !defined _WIN32 && !defined __hpux |
446 | # include <sys/select.h> |
480 | # include <sys/select.h> |
447 | # endif |
481 | # endif |
… | |
… | |
481 | # define EV_USE_INOTIFY 0 |
515 | # define EV_USE_INOTIFY 0 |
482 | # endif |
516 | # endif |
483 | #endif |
517 | #endif |
484 | |
518 | |
485 | #if EV_USE_EVENTFD |
519 | #if EV_USE_EVENTFD |
486 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
520 | /* our minimum requirement is glibc 2.7 which has the stub, but not the full header */ |
487 | # include <stdint.h> |
521 | # include <stdint.h> |
488 | # ifndef EFD_NONBLOCK |
522 | # ifndef EFD_NONBLOCK |
489 | # define EFD_NONBLOCK O_NONBLOCK |
523 | # define EFD_NONBLOCK O_NONBLOCK |
490 | # endif |
524 | # endif |
491 | # ifndef EFD_CLOEXEC |
525 | # ifndef EFD_CLOEXEC |
… | |
… | |
497 | # endif |
531 | # endif |
498 | EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags); |
532 | EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags); |
499 | #endif |
533 | #endif |
500 | |
534 | |
501 | #if EV_USE_SIGNALFD |
535 | #if EV_USE_SIGNALFD |
502 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
536 | /* our minimum requirement is glibc 2.7 which has the stub, but not the full header */ |
503 | # include <stdint.h> |
537 | # include <stdint.h> |
504 | # ifndef SFD_NONBLOCK |
538 | # ifndef SFD_NONBLOCK |
505 | # define SFD_NONBLOCK O_NONBLOCK |
539 | # define SFD_NONBLOCK O_NONBLOCK |
506 | # endif |
540 | # endif |
507 | # ifndef SFD_CLOEXEC |
541 | # ifndef SFD_CLOEXEC |
… | |
… | |
509 | # define SFD_CLOEXEC O_CLOEXEC |
543 | # define SFD_CLOEXEC O_CLOEXEC |
510 | # else |
544 | # else |
511 | # define SFD_CLOEXEC 02000000 |
545 | # define SFD_CLOEXEC 02000000 |
512 | # endif |
546 | # endif |
513 | # endif |
547 | # endif |
514 | EV_CPP (extern "C") int signalfd (int fd, const sigset_t *mask, int flags); |
548 | EV_CPP (extern "C") int (signalfd) (int fd, const sigset_t *mask, int flags); |
515 | |
549 | |
516 | struct signalfd_siginfo |
550 | struct signalfd_siginfo |
517 | { |
551 | { |
518 | uint32_t ssi_signo; |
552 | uint32_t ssi_signo; |
519 | char pad[128 - sizeof (uint32_t)]; |
553 | char pad[128 - sizeof (uint32_t)]; |
520 | }; |
554 | }; |
|
|
555 | #endif |
|
|
556 | |
|
|
557 | /* for timerfd, libev core requires TFD_TIMER_CANCEL_ON_SET &c */ |
|
|
558 | #if EV_USE_TIMERFD |
|
|
559 | # include <sys/timerfd.h> |
|
|
560 | /* timerfd is only used for periodics */ |
|
|
561 | # if !(defined (TFD_TIMER_CANCEL_ON_SET) && defined (TFD_CLOEXEC) && defined (TFD_NONBLOCK)) || !EV_PERIODIC_ENABLE |
|
|
562 | # undef EV_USE_TIMERFD |
|
|
563 | # define EV_USE_TIMERFD 0 |
|
|
564 | # endif |
521 | #endif |
565 | #endif |
522 | |
566 | |
523 | /*****************************************************************************/ |
567 | /*****************************************************************************/ |
524 | |
568 | |
525 | #if EV_VERIFY >= 3 |
569 | #if EV_VERIFY >= 3 |
… | |
… | |
535 | #define MIN_INTERVAL 0.0001220703125 /* 1/2**13, good till 4000 */ |
579 | #define MIN_INTERVAL 0.0001220703125 /* 1/2**13, good till 4000 */ |
536 | /*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20, good till 2200 */ |
580 | /*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20, good till 2200 */ |
537 | |
581 | |
538 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
582 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
539 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
583 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
|
|
584 | #define MAX_BLOCKTIME2 1500001.07 /* same, but when timerfd is used to detect jumps, also safe delay to not overflow */ |
540 | |
585 | |
541 | /* find a portable timestamp that is "always" in the future but fits into time_t. |
586 | /* find a portable timestamp that is "always" in the future but fits into time_t. |
542 | * this is quite hard, and we are mostly guessing - we handle 32 bit signed/unsigned time_t, |
587 | * this is quite hard, and we are mostly guessing - we handle 32 bit signed/unsigned time_t, |
543 | * and sizes larger than 32 bit, and maybe the unlikely floating point time_t */ |
588 | * and sizes larger than 32 bit, and maybe the unlikely floating point time_t */ |
544 | #define EV_TSTAMP_HUGE \ |
589 | #define EV_TSTAMP_HUGE \ |
… | |
… | |
600 | |
645 | |
601 | #ifndef ECB_H |
646 | #ifndef ECB_H |
602 | #define ECB_H |
647 | #define ECB_H |
603 | |
648 | |
604 | /* 16 bits major, 16 bits minor */ |
649 | /* 16 bits major, 16 bits minor */ |
605 | #define ECB_VERSION 0x00010006 |
650 | #define ECB_VERSION 0x00010008 |
|
|
651 | |
|
|
652 | #include <string.h> /* for memcpy */ |
606 | |
653 | |
607 | #ifdef _WIN32 |
654 | #ifdef _WIN32 |
608 | typedef signed char int8_t; |
655 | typedef signed char int8_t; |
609 | typedef unsigned char uint8_t; |
656 | typedef unsigned char uint8_t; |
|
|
657 | typedef signed char int_fast8_t; |
|
|
658 | typedef unsigned char uint_fast8_t; |
610 | typedef signed short int16_t; |
659 | typedef signed short int16_t; |
611 | typedef unsigned short uint16_t; |
660 | typedef unsigned short uint16_t; |
|
|
661 | typedef signed int int_fast16_t; |
|
|
662 | typedef unsigned int uint_fast16_t; |
612 | typedef signed int int32_t; |
663 | typedef signed int int32_t; |
613 | typedef unsigned int uint32_t; |
664 | typedef unsigned int uint32_t; |
|
|
665 | typedef signed int int_fast32_t; |
|
|
666 | typedef unsigned int uint_fast32_t; |
614 | #if __GNUC__ |
667 | #if __GNUC__ |
615 | typedef signed long long int64_t; |
668 | typedef signed long long int64_t; |
616 | typedef unsigned long long uint64_t; |
669 | typedef unsigned long long uint64_t; |
617 | #else /* _MSC_VER || __BORLANDC__ */ |
670 | #else /* _MSC_VER || __BORLANDC__ */ |
618 | typedef signed __int64 int64_t; |
671 | typedef signed __int64 int64_t; |
619 | typedef unsigned __int64 uint64_t; |
672 | typedef unsigned __int64 uint64_t; |
620 | #endif |
673 | #endif |
|
|
674 | typedef int64_t int_fast64_t; |
|
|
675 | typedef uint64_t uint_fast64_t; |
621 | #ifdef _WIN64 |
676 | #ifdef _WIN64 |
622 | #define ECB_PTRSIZE 8 |
677 | #define ECB_PTRSIZE 8 |
623 | typedef uint64_t uintptr_t; |
678 | typedef uint64_t uintptr_t; |
624 | typedef int64_t intptr_t; |
679 | typedef int64_t intptr_t; |
625 | #else |
680 | #else |
… | |
… | |
636 | #endif |
691 | #endif |
637 | #endif |
692 | #endif |
638 | |
693 | |
639 | #define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__) |
694 | #define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__) |
640 | #define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64) |
695 | #define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64) |
|
|
696 | |
|
|
697 | #ifndef ECB_OPTIMIZE_SIZE |
|
|
698 | #if __OPTIMIZE_SIZE__ |
|
|
699 | #define ECB_OPTIMIZE_SIZE 1 |
|
|
700 | #else |
|
|
701 | #define ECB_OPTIMIZE_SIZE 0 |
|
|
702 | #endif |
|
|
703 | #endif |
641 | |
704 | |
642 | /* work around x32 idiocy by defining proper macros */ |
705 | /* work around x32 idiocy by defining proper macros */ |
643 | #if ECB_GCC_AMD64 || ECB_MSVC_AMD64 |
706 | #if ECB_GCC_AMD64 || ECB_MSVC_AMD64 |
644 | #if _ILP32 |
707 | #if _ILP32 |
645 | #define ECB_AMD64_X32 1 |
708 | #define ECB_AMD64_X32 1 |
… | |
… | |
1152 | ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); } |
1215 | ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); } |
1153 | ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } |
1216 | ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } |
1154 | ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } |
1217 | ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } |
1155 | ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } |
1218 | ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } |
1156 | |
1219 | |
|
|
1220 | #if ECB_CPP |
|
|
1221 | |
|
|
1222 | inline uint8_t ecb_ctz (uint8_t v) { return ecb_ctz32 (v); } |
|
|
1223 | inline uint16_t ecb_ctz (uint16_t v) { return ecb_ctz32 (v); } |
|
|
1224 | inline uint32_t ecb_ctz (uint32_t v) { return ecb_ctz32 (v); } |
|
|
1225 | inline uint64_t ecb_ctz (uint64_t v) { return ecb_ctz64 (v); } |
|
|
1226 | |
|
|
1227 | inline bool ecb_is_pot (uint8_t v) { return ecb_is_pot32 (v); } |
|
|
1228 | inline bool ecb_is_pot (uint16_t v) { return ecb_is_pot32 (v); } |
|
|
1229 | inline bool ecb_is_pot (uint32_t v) { return ecb_is_pot32 (v); } |
|
|
1230 | inline bool ecb_is_pot (uint64_t v) { return ecb_is_pot64 (v); } |
|
|
1231 | |
|
|
1232 | inline int ecb_ld (uint8_t v) { return ecb_ld32 (v); } |
|
|
1233 | inline int ecb_ld (uint16_t v) { return ecb_ld32 (v); } |
|
|
1234 | inline int ecb_ld (uint32_t v) { return ecb_ld32 (v); } |
|
|
1235 | inline int ecb_ld (uint64_t v) { return ecb_ld64 (v); } |
|
|
1236 | |
|
|
1237 | inline int ecb_popcount (uint8_t v) { return ecb_popcount32 (v); } |
|
|
1238 | inline int ecb_popcount (uint16_t v) { return ecb_popcount32 (v); } |
|
|
1239 | inline int ecb_popcount (uint32_t v) { return ecb_popcount32 (v); } |
|
|
1240 | inline int ecb_popcount (uint64_t v) { return ecb_popcount64 (v); } |
|
|
1241 | |
|
|
1242 | inline uint8_t ecb_bitrev (uint8_t v) { return ecb_bitrev8 (v); } |
|
|
1243 | inline uint16_t ecb_bitrev (uint16_t v) { return ecb_bitrev16 (v); } |
|
|
1244 | inline uint32_t ecb_bitrev (uint32_t v) { return ecb_bitrev32 (v); } |
|
|
1245 | |
|
|
1246 | inline uint8_t ecb_rotl (uint8_t v, unsigned int count) { return ecb_rotl8 (v, count); } |
|
|
1247 | inline uint16_t ecb_rotl (uint16_t v, unsigned int count) { return ecb_rotl16 (v, count); } |
|
|
1248 | inline uint32_t ecb_rotl (uint32_t v, unsigned int count) { return ecb_rotl32 (v, count); } |
|
|
1249 | inline uint64_t ecb_rotl (uint64_t v, unsigned int count) { return ecb_rotl64 (v, count); } |
|
|
1250 | |
|
|
1251 | inline uint8_t ecb_rotr (uint8_t v, unsigned int count) { return ecb_rotr8 (v, count); } |
|
|
1252 | inline uint16_t ecb_rotr (uint16_t v, unsigned int count) { return ecb_rotr16 (v, count); } |
|
|
1253 | inline uint32_t ecb_rotr (uint32_t v, unsigned int count) { return ecb_rotr32 (v, count); } |
|
|
1254 | inline uint64_t ecb_rotr (uint64_t v, unsigned int count) { return ecb_rotr64 (v, count); } |
|
|
1255 | |
|
|
1256 | #endif |
|
|
1257 | |
1157 | #if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64)) |
1258 | #if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64)) |
1158 | #if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16) |
1259 | #if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16) |
1159 | #define ecb_bswap16(x) __builtin_bswap16 (x) |
1260 | #define ecb_bswap16(x) __builtin_bswap16 (x) |
1160 | #else |
1261 | #else |
1161 | #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) |
1262 | #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) |
… | |
… | |
1232 | ecb_inline ecb_const ecb_bool ecb_big_endian (void); |
1333 | ecb_inline ecb_const ecb_bool ecb_big_endian (void); |
1233 | ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11223344; } |
1334 | ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11223344; } |
1234 | ecb_inline ecb_const ecb_bool ecb_little_endian (void); |
1335 | ecb_inline ecb_const ecb_bool ecb_little_endian (void); |
1235 | ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; } |
1336 | ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; } |
1236 | |
1337 | |
|
|
1338 | /*****************************************************************************/ |
|
|
1339 | /* unaligned load/store */ |
|
|
1340 | |
|
|
1341 | ecb_inline uint_fast16_t ecb_be_u16_to_host (uint_fast16_t v) { return ecb_little_endian () ? ecb_bswap16 (v) : v; } |
|
|
1342 | ecb_inline uint_fast32_t ecb_be_u32_to_host (uint_fast32_t v) { return ecb_little_endian () ? ecb_bswap32 (v) : v; } |
|
|
1343 | ecb_inline uint_fast64_t ecb_be_u64_to_host (uint_fast64_t v) { return ecb_little_endian () ? ecb_bswap64 (v) : v; } |
|
|
1344 | |
|
|
1345 | ecb_inline uint_fast16_t ecb_le_u16_to_host (uint_fast16_t v) { return ecb_big_endian () ? ecb_bswap16 (v) : v; } |
|
|
1346 | ecb_inline uint_fast32_t ecb_le_u32_to_host (uint_fast32_t v) { return ecb_big_endian () ? ecb_bswap32 (v) : v; } |
|
|
1347 | ecb_inline uint_fast64_t ecb_le_u64_to_host (uint_fast64_t v) { return ecb_big_endian () ? ecb_bswap64 (v) : v; } |
|
|
1348 | |
|
|
1349 | ecb_inline uint_fast16_t ecb_peek_u16_u (const void *ptr) { uint16_t v; memcpy (&v, ptr, sizeof (v)); return v; } |
|
|
1350 | ecb_inline uint_fast32_t ecb_peek_u32_u (const void *ptr) { uint32_t v; memcpy (&v, ptr, sizeof (v)); return v; } |
|
|
1351 | ecb_inline uint_fast64_t ecb_peek_u64_u (const void *ptr) { uint64_t v; memcpy (&v, ptr, sizeof (v)); return v; } |
|
|
1352 | |
|
|
1353 | ecb_inline uint_fast16_t ecb_peek_be_u16_u (const void *ptr) { return ecb_be_u16_to_host (ecb_peek_u16_u (ptr)); } |
|
|
1354 | ecb_inline uint_fast32_t ecb_peek_be_u32_u (const void *ptr) { return ecb_be_u32_to_host (ecb_peek_u32_u (ptr)); } |
|
|
1355 | ecb_inline uint_fast64_t ecb_peek_be_u64_u (const void *ptr) { return ecb_be_u64_to_host (ecb_peek_u64_u (ptr)); } |
|
|
1356 | |
|
|
1357 | ecb_inline uint_fast16_t ecb_peek_le_u16_u (const void *ptr) { return ecb_le_u16_to_host (ecb_peek_u16_u (ptr)); } |
|
|
1358 | ecb_inline uint_fast32_t ecb_peek_le_u32_u (const void *ptr) { return ecb_le_u32_to_host (ecb_peek_u32_u (ptr)); } |
|
|
1359 | ecb_inline uint_fast64_t ecb_peek_le_u64_u (const void *ptr) { return ecb_le_u64_to_host (ecb_peek_u64_u (ptr)); } |
|
|
1360 | |
|
|
1361 | ecb_inline uint_fast16_t ecb_host_to_be_u16 (uint_fast16_t v) { return ecb_little_endian () ? ecb_bswap16 (v) : v; } |
|
|
1362 | ecb_inline uint_fast32_t ecb_host_to_be_u32 (uint_fast32_t v) { return ecb_little_endian () ? ecb_bswap32 (v) : v; } |
|
|
1363 | ecb_inline uint_fast64_t ecb_host_to_be_u64 (uint_fast64_t v) { return ecb_little_endian () ? ecb_bswap64 (v) : v; } |
|
|
1364 | |
|
|
1365 | ecb_inline uint_fast16_t ecb_host_to_le_u16 (uint_fast16_t v) { return ecb_big_endian () ? ecb_bswap16 (v) : v; } |
|
|
1366 | ecb_inline uint_fast32_t ecb_host_to_le_u32 (uint_fast32_t v) { return ecb_big_endian () ? ecb_bswap32 (v) : v; } |
|
|
1367 | ecb_inline uint_fast64_t ecb_host_to_le_u64 (uint_fast64_t v) { return ecb_big_endian () ? ecb_bswap64 (v) : v; } |
|
|
1368 | |
|
|
1369 | ecb_inline void ecb_poke_u16_u (void *ptr, uint16_t v) { memcpy (ptr, &v, sizeof (v)); } |
|
|
1370 | ecb_inline void ecb_poke_u32_u (void *ptr, uint32_t v) { memcpy (ptr, &v, sizeof (v)); } |
|
|
1371 | ecb_inline void ecb_poke_u64_u (void *ptr, uint64_t v) { memcpy (ptr, &v, sizeof (v)); } |
|
|
1372 | |
|
|
1373 | ecb_inline void ecb_poke_be_u16_u (void *ptr, uint_fast16_t v) { ecb_poke_u16_u (ptr, ecb_host_to_be_u16 (v)); } |
|
|
1374 | ecb_inline void ecb_poke_be_u32_u (void *ptr, uint_fast32_t v) { ecb_poke_u32_u (ptr, ecb_host_to_be_u32 (v)); } |
|
|
1375 | ecb_inline void ecb_poke_be_u64_u (void *ptr, uint_fast64_t v) { ecb_poke_u64_u (ptr, ecb_host_to_be_u64 (v)); } |
|
|
1376 | |
|
|
1377 | ecb_inline void ecb_poke_le_u16_u (void *ptr, uint_fast16_t v) { ecb_poke_u16_u (ptr, ecb_host_to_le_u16 (v)); } |
|
|
1378 | ecb_inline void ecb_poke_le_u32_u (void *ptr, uint_fast32_t v) { ecb_poke_u32_u (ptr, ecb_host_to_le_u32 (v)); } |
|
|
1379 | ecb_inline void ecb_poke_le_u64_u (void *ptr, uint_fast64_t v) { ecb_poke_u64_u (ptr, ecb_host_to_le_u64 (v)); } |
|
|
1380 | |
|
|
1381 | #if ECB_CPP |
|
|
1382 | |
|
|
1383 | inline uint8_t ecb_bswap (uint8_t v) { return v; } |
|
|
1384 | inline uint16_t ecb_bswap (uint16_t v) { return ecb_bswap16 (v); } |
|
|
1385 | inline uint32_t ecb_bswap (uint32_t v) { return ecb_bswap32 (v); } |
|
|
1386 | inline uint64_t ecb_bswap (uint64_t v) { return ecb_bswap64 (v); } |
|
|
1387 | |
|
|
1388 | template<typename T> inline T ecb_be_to_host (T v) { return ecb_little_endian () ? ecb_bswap (v) : v; } |
|
|
1389 | template<typename T> inline T ecb_le_to_host (T v) { return ecb_big_endian () ? ecb_bswap (v) : v; } |
|
|
1390 | template<typename T> inline T ecb_peek (const void *ptr) { return *(const T *)ptr; } |
|
|
1391 | template<typename T> inline T ecb_peek_be (const void *ptr) { return ecb_be_to_host (ecb_peek <T> (ptr)); } |
|
|
1392 | template<typename T> inline T ecb_peek_le (const void *ptr) { return ecb_le_to_host (ecb_peek <T> (ptr)); } |
|
|
1393 | template<typename T> inline T ecb_peek_u (const void *ptr) { T v; memcpy (&v, ptr, sizeof (v)); return v; } |
|
|
1394 | template<typename T> inline T ecb_peek_be_u (const void *ptr) { return ecb_be_to_host (ecb_peek_u<T> (ptr)); } |
|
|
1395 | template<typename T> inline T ecb_peek_le_u (const void *ptr) { return ecb_le_to_host (ecb_peek_u<T> (ptr)); } |
|
|
1396 | |
|
|
1397 | template<typename T> inline T ecb_host_to_be (T v) { return ecb_little_endian () ? ecb_bswap (v) : v; } |
|
|
1398 | template<typename T> inline T ecb_host_to_le (T v) { return ecb_big_endian () ? ecb_bswap (v) : v; } |
|
|
1399 | template<typename T> inline void ecb_poke (void *ptr, T v) { *(T *)ptr = v; } |
|
|
1400 | template<typename T> inline void ecb_poke_be (void *ptr, T v) { return ecb_poke <T> (ptr, ecb_host_to_be (v)); } |
|
|
1401 | template<typename T> inline void ecb_poke_le (void *ptr, T v) { return ecb_poke <T> (ptr, ecb_host_to_le (v)); } |
|
|
1402 | template<typename T> inline void ecb_poke_u (void *ptr, T v) { memcpy (ptr, &v, sizeof (v)); } |
|
|
1403 | template<typename T> inline void ecb_poke_be_u (void *ptr, T v) { return ecb_poke_u<T> (ptr, ecb_host_to_be (v)); } |
|
|
1404 | template<typename T> inline void ecb_poke_le_u (void *ptr, T v) { return ecb_poke_u<T> (ptr, ecb_host_to_le (v)); } |
|
|
1405 | |
|
|
1406 | #endif |
|
|
1407 | |
|
|
1408 | /*****************************************************************************/ |
|
|
1409 | |
1237 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
1410 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
1238 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
1411 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
1239 | #else |
1412 | #else |
1240 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
1413 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
1241 | #endif |
1414 | #endif |
… | |
… | |
1264 | return N; |
1437 | return N; |
1265 | } |
1438 | } |
1266 | #else |
1439 | #else |
1267 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
1440 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
1268 | #endif |
1441 | #endif |
|
|
1442 | |
|
|
1443 | /*****************************************************************************/ |
1269 | |
1444 | |
1270 | ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x); |
1445 | ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x); |
1271 | ecb_function_ ecb_const uint32_t |
1446 | ecb_function_ ecb_const uint32_t |
1272 | ecb_binary16_to_binary32 (uint32_t x) |
1447 | ecb_binary16_to_binary32 (uint32_t x) |
1273 | { |
1448 | { |
… | |
… | |
1382 | || defined __sh__ \ |
1557 | || defined __sh__ \ |
1383 | || defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \ |
1558 | || defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \ |
1384 | || (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \ |
1559 | || (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \ |
1385 | || defined __aarch64__ |
1560 | || defined __aarch64__ |
1386 | #define ECB_STDFP 1 |
1561 | #define ECB_STDFP 1 |
1387 | #include <string.h> /* for memcpy */ |
|
|
1388 | #else |
1562 | #else |
1389 | #define ECB_STDFP 0 |
1563 | #define ECB_STDFP 0 |
1390 | #endif |
1564 | #endif |
1391 | |
1565 | |
1392 | #ifndef ECB_NO_LIBM |
1566 | #ifndef ECB_NO_LIBM |
… | |
… | |
1614 | * our syscalls return < 0, not == -1, on error. which is good |
1788 | * our syscalls return < 0, not == -1, on error. which is good |
1615 | * enough for linux aio. |
1789 | * enough for linux aio. |
1616 | * TODO: arm is also common nowadays, maybe even mips and x86 |
1790 | * TODO: arm is also common nowadays, maybe even mips and x86 |
1617 | * TODO: after implementing this, it suddenly looks like overkill, but its hard to remove... |
1791 | * TODO: after implementing this, it suddenly looks like overkill, but its hard to remove... |
1618 | */ |
1792 | */ |
1619 | #if __GNUC__ && __linux && ECB_AMD64 && !defined __OPTIMIZE_SIZE__ |
1793 | #if __GNUC__ && __linux && ECB_AMD64 && !EV_FEATURE_CODE |
1620 | /* the costly errno access probably kills this for size optimisation */ |
1794 | /* the costly errno access probably kills this for size optimisation */ |
1621 | |
1795 | |
1622 | #define ev_syscall(nr,narg,arg1,arg2,arg3,arg4,arg5,arg6) \ |
1796 | #define ev_syscall(nr,narg,arg1,arg2,arg3,arg4,arg5,arg6) \ |
1623 | ({ \ |
1797 | ({ \ |
1624 | long res; \ |
1798 | long res; \ |
… | |
… | |
2218 | inline_size void |
2392 | inline_size void |
2219 | fd_reify (EV_P) |
2393 | fd_reify (EV_P) |
2220 | { |
2394 | { |
2221 | int i; |
2395 | int i; |
2222 | |
2396 | |
|
|
2397 | /* most backends do not modify the fdchanges list in backend_modfiy. |
|
|
2398 | * except io_uring, which has fixed-size buffers which might force us |
|
|
2399 | * to handle events in backend_modify, causing fdchanges to be amended, |
|
|
2400 | * which could result in an endless loop. |
|
|
2401 | * to avoid this, we do not dynamically handle fds that were added |
|
|
2402 | * during fd_reify. that means that for those backends, fdchangecnt |
|
|
2403 | * might be non-zero during poll, which must cause them to not block. |
|
|
2404 | * to not put too much of a burden on other backends, this detail |
|
|
2405 | * needs to be handled in the backend. |
|
|
2406 | */ |
|
|
2407 | int changecnt = fdchangecnt; |
|
|
2408 | |
2223 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
2409 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
2224 | for (i = 0; i < fdchangecnt; ++i) |
2410 | for (i = 0; i < changecnt; ++i) |
2225 | { |
2411 | { |
2226 | int fd = fdchanges [i]; |
2412 | int fd = fdchanges [i]; |
2227 | ANFD *anfd = anfds + fd; |
2413 | ANFD *anfd = anfds + fd; |
2228 | |
2414 | |
2229 | if (anfd->reify & EV__IOFDSET && anfd->head) |
2415 | if (anfd->reify & EV__IOFDSET && anfd->head) |
… | |
… | |
2243 | } |
2429 | } |
2244 | } |
2430 | } |
2245 | } |
2431 | } |
2246 | #endif |
2432 | #endif |
2247 | |
2433 | |
2248 | for (i = 0; i < fdchangecnt; ++i) |
2434 | for (i = 0; i < changecnt; ++i) |
2249 | { |
2435 | { |
2250 | int fd = fdchanges [i]; |
2436 | int fd = fdchanges [i]; |
2251 | ANFD *anfd = anfds + fd; |
2437 | ANFD *anfd = anfds + fd; |
2252 | ev_io *w; |
2438 | ev_io *w; |
2253 | |
2439 | |
… | |
… | |
2269 | |
2455 | |
2270 | if (o_reify & EV__IOFDSET) |
2456 | if (o_reify & EV__IOFDSET) |
2271 | backend_modify (EV_A_ fd, o_events, anfd->events); |
2457 | backend_modify (EV_A_ fd, o_events, anfd->events); |
2272 | } |
2458 | } |
2273 | |
2459 | |
|
|
2460 | /* normally, fdchangecnt hasn't changed. if it has, then new fds have been added. |
|
|
2461 | * this is a rare case (see beginning comment in this function), so we copy them to the |
|
|
2462 | * front and hope the backend handles this case. |
|
|
2463 | */ |
|
|
2464 | if (ecb_expect_false (fdchangecnt != changecnt)) |
|
|
2465 | memmove (fdchanges, fdchanges + changecnt, (fdchangecnt - changecnt) * sizeof (*fdchanges)); |
|
|
2466 | |
2274 | fdchangecnt = 0; |
2467 | fdchangecnt -= changecnt; |
2275 | } |
2468 | } |
2276 | |
2469 | |
2277 | /* something about the given fd changed */ |
2470 | /* something about the given fd changed */ |
2278 | inline_size |
2471 | inline_size |
2279 | void |
2472 | void |
… | |
… | |
2517 | upheap (heap, i + HEAP0); |
2710 | upheap (heap, i + HEAP0); |
2518 | } |
2711 | } |
2519 | |
2712 | |
2520 | /*****************************************************************************/ |
2713 | /*****************************************************************************/ |
2521 | |
2714 | |
2522 | /* associate signal watchers to a signal signal */ |
2715 | /* associate signal watchers to a signal */ |
2523 | typedef struct |
2716 | typedef struct |
2524 | { |
2717 | { |
2525 | EV_ATOMIC_T pending; |
2718 | EV_ATOMIC_T pending; |
2526 | #if EV_MULTIPLICITY |
2719 | #if EV_MULTIPLICITY |
2527 | EV_P; |
2720 | EV_P; |
… | |
… | |
2831 | |
3024 | |
2832 | #endif |
3025 | #endif |
2833 | |
3026 | |
2834 | /*****************************************************************************/ |
3027 | /*****************************************************************************/ |
2835 | |
3028 | |
|
|
3029 | #if EV_USE_TIMERFD |
|
|
3030 | |
|
|
3031 | static void periodics_reschedule (EV_P); |
|
|
3032 | |
|
|
3033 | static void |
|
|
3034 | timerfdcb (EV_P_ ev_io *iow, int revents) |
|
|
3035 | { |
|
|
3036 | struct itimerspec its = { 0 }; |
|
|
3037 | |
|
|
3038 | its.it_value.tv_sec = ev_rt_now + (int)MAX_BLOCKTIME2; |
|
|
3039 | timerfd_settime (timerfd, TFD_TIMER_ABSTIME | TFD_TIMER_CANCEL_ON_SET, &its, 0); |
|
|
3040 | |
|
|
3041 | ev_rt_now = ev_time (); |
|
|
3042 | /* periodics_reschedule only needs ev_rt_now */ |
|
|
3043 | /* but maybe in the future we want the full treatment. */ |
|
|
3044 | /* |
|
|
3045 | now_floor = EV_TS_CONST (0.); |
|
|
3046 | time_update (EV_A_ EV_TSTAMP_HUGE); |
|
|
3047 | */ |
|
|
3048 | #if EV_PERIODIC_ENABLE |
|
|
3049 | periodics_reschedule (EV_A); |
|
|
3050 | #endif |
|
|
3051 | } |
|
|
3052 | |
|
|
3053 | ecb_noinline ecb_cold |
|
|
3054 | static void |
|
|
3055 | evtimerfd_init (EV_P) |
|
|
3056 | { |
|
|
3057 | if (!ev_is_active (&timerfd_w)) |
|
|
3058 | { |
|
|
3059 | timerfd = timerfd_create (CLOCK_REALTIME, TFD_NONBLOCK | TFD_CLOEXEC); |
|
|
3060 | |
|
|
3061 | if (timerfd >= 0) |
|
|
3062 | { |
|
|
3063 | fd_intern (timerfd); /* just to be sure */ |
|
|
3064 | |
|
|
3065 | ev_io_init (&timerfd_w, timerfdcb, timerfd, EV_READ); |
|
|
3066 | ev_set_priority (&timerfd_w, EV_MINPRI); |
|
|
3067 | ev_io_start (EV_A_ &timerfd_w); |
|
|
3068 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
|
|
3069 | |
|
|
3070 | /* (re-) arm timer */ |
|
|
3071 | timerfdcb (EV_A_ 0, 0); |
|
|
3072 | } |
|
|
3073 | } |
|
|
3074 | } |
|
|
3075 | |
|
|
3076 | #endif |
|
|
3077 | |
|
|
3078 | /*****************************************************************************/ |
|
|
3079 | |
2836 | #if EV_USE_IOCP |
3080 | #if EV_USE_IOCP |
2837 | # include "ev_iocp.c" |
3081 | # include "ev_iocp.c" |
2838 | #endif |
3082 | #endif |
2839 | #if EV_USE_PORT |
3083 | #if EV_USE_PORT |
2840 | # include "ev_port.c" |
3084 | # include "ev_port.c" |
… | |
… | |
2886 | unsigned int |
3130 | unsigned int |
2887 | ev_supported_backends (void) EV_NOEXCEPT |
3131 | ev_supported_backends (void) EV_NOEXCEPT |
2888 | { |
3132 | { |
2889 | unsigned int flags = 0; |
3133 | unsigned int flags = 0; |
2890 | |
3134 | |
2891 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
3135 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2892 | if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE; |
3136 | if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE; |
2893 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
3137 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
2894 | if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO; |
3138 | if (EV_USE_LINUXAIO ) flags |= EVBACKEND_LINUXAIO; |
2895 | if (EV_USE_IOURING ) flags |= EVBACKEND_IOURING; |
3139 | if (EV_USE_IOURING && ev_linux_version () >= 0x050601) flags |= EVBACKEND_IOURING; /* 5.6.1+ */ |
2896 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
3140 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
2897 | if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT; |
3141 | if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT; |
2898 | |
3142 | |
2899 | return flags; |
3143 | return flags; |
2900 | } |
3144 | } |
2901 | |
3145 | |
2902 | ecb_cold |
3146 | ecb_cold |
2903 | unsigned int |
3147 | unsigned int |
… | |
… | |
2933 | |
3177 | |
2934 | ecb_cold |
3178 | ecb_cold |
2935 | unsigned int |
3179 | unsigned int |
2936 | ev_embeddable_backends (void) EV_NOEXCEPT |
3180 | ev_embeddable_backends (void) EV_NOEXCEPT |
2937 | { |
3181 | { |
2938 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
3182 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT | EVBACKEND_IOURING; |
2939 | |
3183 | |
2940 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
3184 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2941 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
3185 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
2942 | flags &= ~EVBACKEND_EPOLL; |
3186 | flags &= ~EVBACKEND_EPOLL; |
2943 | |
3187 | |
2944 | /* EVBACKEND_LINUXAIO is theoretically embeddable, but suffers from a performance overhead */ |
3188 | /* EVBACKEND_LINUXAIO is theoretically embeddable, but suffers from a performance overhead */ |
2945 | |
|
|
2946 | /* EVBACKEND_IOURING is practically embeddable, but the current implementation is not |
|
|
2947 | * because our backend_fd is the epoll fd we need as fallback. |
|
|
2948 | * if the kernel ever is fixed, this might change... |
|
|
2949 | */ |
|
|
2950 | |
3189 | |
2951 | return flags; |
3190 | return flags; |
2952 | } |
3191 | } |
2953 | |
3192 | |
2954 | unsigned int |
3193 | unsigned int |
… | |
… | |
3072 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
3311 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
3073 | #endif |
3312 | #endif |
3074 | #if EV_USE_SIGNALFD |
3313 | #if EV_USE_SIGNALFD |
3075 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
3314 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
3076 | #endif |
3315 | #endif |
|
|
3316 | #if EV_USE_TIMERFD |
|
|
3317 | timerfd = flags & EVFLAG_NOTIMERFD ? -1 : -2; |
|
|
3318 | #endif |
3077 | |
3319 | |
3078 | if (!(flags & EVBACKEND_MASK)) |
3320 | if (!(flags & EVBACKEND_MASK)) |
3079 | flags |= ev_recommended_backends (); |
3321 | flags |= ev_recommended_backends (); |
3080 | |
3322 | |
3081 | #if EV_USE_IOCP |
3323 | #if EV_USE_IOCP |
… | |
… | |
3152 | } |
3394 | } |
3153 | |
3395 | |
3154 | #if EV_USE_SIGNALFD |
3396 | #if EV_USE_SIGNALFD |
3155 | if (ev_is_active (&sigfd_w)) |
3397 | if (ev_is_active (&sigfd_w)) |
3156 | close (sigfd); |
3398 | close (sigfd); |
|
|
3399 | #endif |
|
|
3400 | |
|
|
3401 | #if EV_USE_TIMERFD |
|
|
3402 | if (ev_is_active (&timerfd_w)) |
|
|
3403 | close (timerfd); |
3157 | #endif |
3404 | #endif |
3158 | |
3405 | |
3159 | #if EV_USE_INOTIFY |
3406 | #if EV_USE_INOTIFY |
3160 | if (fs_fd >= 0) |
3407 | if (fs_fd >= 0) |
3161 | close (fs_fd); |
3408 | close (fs_fd); |
… | |
… | |
3254 | #endif |
3501 | #endif |
3255 | #if EV_USE_INOTIFY |
3502 | #if EV_USE_INOTIFY |
3256 | infy_fork (EV_A); |
3503 | infy_fork (EV_A); |
3257 | #endif |
3504 | #endif |
3258 | |
3505 | |
|
|
3506 | if (postfork != 2) |
|
|
3507 | { |
|
|
3508 | #if EV_USE_SIGNALFD |
|
|
3509 | /* surprisingly, nothing needs to be done for signalfd, accoridng to docs, it does the right thing on fork */ |
|
|
3510 | #endif |
|
|
3511 | |
|
|
3512 | #if EV_USE_TIMERFD |
|
|
3513 | if (ev_is_active (&timerfd_w)) |
|
|
3514 | { |
|
|
3515 | ev_ref (EV_A); |
|
|
3516 | ev_io_stop (EV_A_ &timerfd_w); |
|
|
3517 | |
|
|
3518 | close (timerfd); |
|
|
3519 | timerfd = -2; |
|
|
3520 | |
|
|
3521 | evtimerfd_init (EV_A); |
|
|
3522 | /* reschedule periodics, in case we missed something */ |
|
|
3523 | ev_feed_event (EV_A_ &timerfd_w, EV_CUSTOM); |
|
|
3524 | } |
|
|
3525 | #endif |
|
|
3526 | |
3259 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
3527 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
3260 | if (ev_is_active (&pipe_w) && postfork != 2) |
3528 | if (ev_is_active (&pipe_w)) |
3261 | { |
3529 | { |
3262 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
3530 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
3263 | |
3531 | |
3264 | ev_ref (EV_A); |
3532 | ev_ref (EV_A); |
3265 | ev_io_stop (EV_A_ &pipe_w); |
3533 | ev_io_stop (EV_A_ &pipe_w); |
3266 | |
3534 | |
3267 | if (evpipe [0] >= 0) |
3535 | if (evpipe [0] >= 0) |
3268 | EV_WIN32_CLOSE_FD (evpipe [0]); |
3536 | EV_WIN32_CLOSE_FD (evpipe [0]); |
3269 | |
3537 | |
3270 | evpipe_init (EV_A); |
3538 | evpipe_init (EV_A); |
3271 | /* iterate over everything, in case we missed something before */ |
3539 | /* iterate over everything, in case we missed something before */ |
3272 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
3540 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
|
|
3541 | } |
|
|
3542 | #endif |
3273 | } |
3543 | } |
3274 | #endif |
|
|
3275 | |
3544 | |
3276 | postfork = 0; |
3545 | postfork = 0; |
3277 | } |
3546 | } |
3278 | |
3547 | |
3279 | #if EV_MULTIPLICITY |
3548 | #if EV_MULTIPLICITY |
… | |
… | |
3823 | |
4092 | |
3824 | if (ecb_expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) |
4093 | if (ecb_expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) |
3825 | { |
4094 | { |
3826 | waittime = EV_TS_CONST (MAX_BLOCKTIME); |
4095 | waittime = EV_TS_CONST (MAX_BLOCKTIME); |
3827 | |
4096 | |
|
|
4097 | #if EV_USE_TIMERFD |
|
|
4098 | /* sleep a lot longer when we can reliably detect timejumps */ |
|
|
4099 | if (ecb_expect_true (timerfd >= 0)) |
|
|
4100 | waittime = EV_TS_CONST (MAX_BLOCKTIME2); |
|
|
4101 | #endif |
|
|
4102 | #if !EV_PERIODIC_ENABLE |
|
|
4103 | /* without periodics but with monotonic clock there is no need */ |
|
|
4104 | /* for any time jump detection, so sleep longer */ |
|
|
4105 | if (ecb_expect_true (have_monotonic)) |
|
|
4106 | waittime = EV_TS_CONST (MAX_BLOCKTIME2); |
|
|
4107 | #endif |
|
|
4108 | |
3828 | if (timercnt) |
4109 | if (timercnt) |
3829 | { |
4110 | { |
3830 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now; |
4111 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now; |
3831 | if (waittime > to) waittime = to; |
4112 | if (waittime > to) waittime = to; |
3832 | } |
4113 | } |
… | |
… | |
3841 | |
4122 | |
3842 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
4123 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
3843 | if (ecb_expect_false (waittime < timeout_blocktime)) |
4124 | if (ecb_expect_false (waittime < timeout_blocktime)) |
3844 | waittime = timeout_blocktime; |
4125 | waittime = timeout_blocktime; |
3845 | |
4126 | |
3846 | /* at this point, we NEED to wait, so we have to ensure */ |
4127 | /* now there are two more special cases left, either we have |
3847 | /* to pass a minimum nonzero value to the backend */ |
4128 | * already-expired timers, so we should not sleep, or we have timers |
|
|
4129 | * that expire very soon, in which case we need to wait for a minimum |
|
|
4130 | * amount of time for some event loop backends. |
|
|
4131 | */ |
3848 | if (ecb_expect_false (waittime < backend_mintime)) |
4132 | if (ecb_expect_false (waittime < backend_mintime)) |
|
|
4133 | waittime = waittime <= EV_TS_CONST (0.) |
|
|
4134 | ? EV_TS_CONST (0.) |
3849 | waittime = backend_mintime; |
4135 | : backend_mintime; |
3850 | |
4136 | |
3851 | /* extra check because io_blocktime is commonly 0 */ |
4137 | /* extra check because io_blocktime is commonly 0 */ |
3852 | if (ecb_expect_false (io_blocktime)) |
4138 | if (ecb_expect_false (io_blocktime)) |
3853 | { |
4139 | { |
3854 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
4140 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
… | |
… | |
4189 | void |
4475 | void |
4190 | ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4476 | ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4191 | { |
4477 | { |
4192 | if (ecb_expect_false (ev_is_active (w))) |
4478 | if (ecb_expect_false (ev_is_active (w))) |
4193 | return; |
4479 | return; |
|
|
4480 | |
|
|
4481 | #if EV_USE_TIMERFD |
|
|
4482 | if (timerfd == -2) |
|
|
4483 | evtimerfd_init (EV_A); |
|
|
4484 | #endif |
4194 | |
4485 | |
4195 | if (w->reschedule_cb) |
4486 | if (w->reschedule_cb) |
4196 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
4487 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
4197 | else if (w->interval) |
4488 | else if (w->interval) |
4198 | { |
4489 | { |
… | |
… | |
4940 | ev_run (EV_A_ EVRUN_NOWAIT); |
5231 | ev_run (EV_A_ EVRUN_NOWAIT); |
4941 | } |
5232 | } |
4942 | } |
5233 | } |
4943 | } |
5234 | } |
4944 | |
5235 | |
|
|
5236 | #if EV_FORK_ENABLE |
4945 | static void |
5237 | static void |
4946 | embed_fork_cb (EV_P_ ev_fork *fork_w, int revents) |
5238 | embed_fork_cb (EV_P_ ev_fork *fork_w, int revents) |
4947 | { |
5239 | { |
4948 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
5240 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
4949 | |
5241 | |
… | |
… | |
4956 | ev_run (EV_A_ EVRUN_NOWAIT); |
5248 | ev_run (EV_A_ EVRUN_NOWAIT); |
4957 | } |
5249 | } |
4958 | |
5250 | |
4959 | ev_embed_start (EV_A_ w); |
5251 | ev_embed_start (EV_A_ w); |
4960 | } |
5252 | } |
|
|
5253 | #endif |
4961 | |
5254 | |
4962 | #if 0 |
5255 | #if 0 |
4963 | static void |
5256 | static void |
4964 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
5257 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
4965 | { |
5258 | { |
… | |
… | |
4986 | |
5279 | |
4987 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
5280 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
4988 | ev_set_priority (&w->prepare, EV_MINPRI); |
5281 | ev_set_priority (&w->prepare, EV_MINPRI); |
4989 | ev_prepare_start (EV_A_ &w->prepare); |
5282 | ev_prepare_start (EV_A_ &w->prepare); |
4990 | |
5283 | |
|
|
5284 | #if EV_FORK_ENABLE |
4991 | ev_fork_init (&w->fork, embed_fork_cb); |
5285 | ev_fork_init (&w->fork, embed_fork_cb); |
4992 | ev_fork_start (EV_A_ &w->fork); |
5286 | ev_fork_start (EV_A_ &w->fork); |
|
|
5287 | #endif |
4993 | |
5288 | |
4994 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
5289 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
4995 | |
5290 | |
4996 | ev_start (EV_A_ (W)w, 1); |
5291 | ev_start (EV_A_ (W)w, 1); |
4997 | |
5292 | |
… | |
… | |
5007 | |
5302 | |
5008 | EV_FREQUENT_CHECK; |
5303 | EV_FREQUENT_CHECK; |
5009 | |
5304 | |
5010 | ev_io_stop (EV_A_ &w->io); |
5305 | ev_io_stop (EV_A_ &w->io); |
5011 | ev_prepare_stop (EV_A_ &w->prepare); |
5306 | ev_prepare_stop (EV_A_ &w->prepare); |
|
|
5307 | #if EV_FORK_ENABLE |
5012 | ev_fork_stop (EV_A_ &w->fork); |
5308 | ev_fork_stop (EV_A_ &w->fork); |
|
|
5309 | #endif |
5013 | |
5310 | |
5014 | ev_stop (EV_A_ (W)w); |
5311 | ev_stop (EV_A_ (W)w); |
5015 | |
5312 | |
5016 | EV_FREQUENT_CHECK; |
5313 | EV_FREQUENT_CHECK; |
5017 | } |
5314 | } |