| 1 | /* |
1 | /* |
| 2 | * libev event processing core, watcher management |
2 | * libev event processing core, watcher management |
| 3 | * |
3 | * |
| 4 | * Copyright (c) 2007-2019 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007-2020 Marc Alexander Lehmann <libev@schmorp.de> |
| 5 | * All rights reserved. |
5 | * All rights reserved. |
| 6 | * |
6 | * |
| 7 | * Redistribution and use in source and binary forms, with or without modifica- |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
| 8 | * tion, are permitted provided that the following conditions are met: |
8 | * tion, are permitted provided that the following conditions are met: |
| 9 | * |
9 | * |
| … | |
… | |
| 35 | * and other provisions required by the GPL. If you do not delete the |
35 | * and other provisions required by the GPL. If you do not delete the |
| 36 | * provisions above, a recipient may use your version of this file under |
36 | * provisions above, a recipient may use your version of this file under |
| 37 | * either the BSD or the GPL. |
37 | * either the BSD or the GPL. |
| 38 | */ |
38 | */ |
| 39 | |
39 | |
|
|
40 | #pragma clang diagnostic ignored "-Wunused-value" |
|
|
41 | #pragma clang diagnostic ignored "-Wcomment" |
|
|
42 | #pragma clang diagnostic ignored "-Wextern-initializer" |
|
|
43 | |
| 40 | /* this big block deduces configuration from config.h */ |
44 | /* this big block deduces configuration from config.h */ |
| 41 | #ifndef EV_STANDALONE |
45 | #ifndef EV_STANDALONE |
| 42 | # ifdef EV_CONFIG_H |
46 | # ifdef EV_CONFIG_H |
| 43 | # include EV_CONFIG_H |
47 | # include EV_CONFIG_H |
| 44 | # else |
48 | # else |
| … | |
… | |
| 117 | # define EV_USE_EPOLL 0 |
121 | # define EV_USE_EPOLL 0 |
| 118 | # endif |
122 | # endif |
| 119 | |
123 | |
| 120 | # if HAVE_LINUX_AIO_ABI_H |
124 | # if HAVE_LINUX_AIO_ABI_H |
| 121 | # ifndef EV_USE_LINUXAIO |
125 | # ifndef EV_USE_LINUXAIO |
| 122 | # define EV_USE_LINUXAIO EV_FEATURE_BACKENDS |
126 | # define EV_USE_LINUXAIO 0 /* was: EV_FEATURE_BACKENDS, always off by default */ |
| 123 | # endif |
127 | # endif |
| 124 | # else |
128 | # else |
| 125 | # undef EV_USE_LINUXAIO |
129 | # undef EV_USE_LINUXAIO |
| 126 | # define EV_USE_LINUXAIO 0 |
130 | # define EV_USE_LINUXAIO 0 |
| 127 | # endif |
131 | # endif |
| 128 | |
132 | |
|
|
133 | # if HAVE_LINUX_FS_H && HAVE_SYS_TIMERFD_H && HAVE_KERNEL_RWF_T |
|
|
134 | # ifndef EV_USE_IOURING |
|
|
135 | # define EV_USE_IOURING EV_FEATURE_BACKENDS |
|
|
136 | # endif |
|
|
137 | # else |
|
|
138 | # undef EV_USE_IOURING |
|
|
139 | # define EV_USE_IOURING 0 |
|
|
140 | # endif |
|
|
141 | |
| 129 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H |
142 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H |
| 130 | # ifndef EV_USE_KQUEUE |
143 | # ifndef EV_USE_KQUEUE |
| 131 | # define EV_USE_KQUEUE EV_FEATURE_BACKENDS |
144 | # define EV_USE_KQUEUE EV_FEATURE_BACKENDS |
| 132 | # endif |
145 | # endif |
| 133 | # else |
146 | # else |
| … | |
… | |
| 168 | # endif |
181 | # endif |
| 169 | # else |
182 | # else |
| 170 | # undef EV_USE_EVENTFD |
183 | # undef EV_USE_EVENTFD |
| 171 | # define EV_USE_EVENTFD 0 |
184 | # define EV_USE_EVENTFD 0 |
| 172 | # endif |
185 | # endif |
| 173 | |
186 | |
|
|
187 | # if HAVE_SYS_TIMERFD_H |
|
|
188 | # ifndef EV_USE_TIMERFD |
|
|
189 | # define EV_USE_TIMERFD EV_FEATURE_OS |
|
|
190 | # endif |
|
|
191 | # else |
|
|
192 | # undef EV_USE_TIMERFD |
|
|
193 | # define EV_USE_TIMERFD 0 |
|
|
194 | # endif |
|
|
195 | |
| 174 | #endif |
196 | #endif |
| 175 | |
197 | |
| 176 | /* OS X, in its infinite idiocy, actually HARDCODES |
198 | /* OS X, in its infinite idiocy, actually HARDCODES |
| 177 | * a limit of 1024 into their select. Where people have brains, |
199 | * a limit of 1024 into their select. Where people have brains, |
| 178 | * OS X engineers apparently have a vacuum. Or maybe they were |
200 | * OS X engineers apparently have a vacuum. Or maybe they were |
| … | |
… | |
| 326 | # define EV_USE_PORT 0 |
348 | # define EV_USE_PORT 0 |
| 327 | #endif |
349 | #endif |
| 328 | |
350 | |
| 329 | #ifndef EV_USE_LINUXAIO |
351 | #ifndef EV_USE_LINUXAIO |
| 330 | # if __linux /* libev currently assumes linux/aio_abi.h is always available on linux */ |
352 | # if __linux /* libev currently assumes linux/aio_abi.h is always available on linux */ |
| 331 | # define EV_USE_LINUXAIO 1 |
353 | # define EV_USE_LINUXAIO 0 /* was: 1, always off by default */ |
| 332 | # else |
354 | # else |
| 333 | # define EV_USE_LINUXAIO 0 |
355 | # define EV_USE_LINUXAIO 0 |
|
|
356 | # endif |
|
|
357 | #endif |
|
|
358 | |
|
|
359 | #ifndef EV_USE_IOURING |
|
|
360 | # if __linux /* later checks might disable again */ |
|
|
361 | # define EV_USE_IOURING 1 |
|
|
362 | # else |
|
|
363 | # define EV_USE_IOURING 0 |
| 334 | # endif |
364 | # endif |
| 335 | #endif |
365 | #endif |
| 336 | |
366 | |
| 337 | #ifndef EV_USE_INOTIFY |
367 | #ifndef EV_USE_INOTIFY |
| 338 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
368 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
| … | |
… | |
| 361 | #ifndef EV_USE_SIGNALFD |
391 | #ifndef EV_USE_SIGNALFD |
| 362 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
392 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
| 363 | # define EV_USE_SIGNALFD EV_FEATURE_OS |
393 | # define EV_USE_SIGNALFD EV_FEATURE_OS |
| 364 | # else |
394 | # else |
| 365 | # define EV_USE_SIGNALFD 0 |
395 | # define EV_USE_SIGNALFD 0 |
|
|
396 | # endif |
|
|
397 | #endif |
|
|
398 | |
|
|
399 | #ifndef EV_USE_TIMERFD |
|
|
400 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 8)) |
|
|
401 | # define EV_USE_TIMERFD EV_FEATURE_OS |
|
|
402 | # else |
|
|
403 | # define EV_USE_TIMERFD 0 |
| 366 | # endif |
404 | # endif |
| 367 | #endif |
405 | #endif |
| 368 | |
406 | |
| 369 | #if 0 /* debugging */ |
407 | #if 0 /* debugging */ |
| 370 | # define EV_VERIFY 3 |
408 | # define EV_VERIFY 3 |
| … | |
… | |
| 406 | # include <sys/syscall.h> |
444 | # include <sys/syscall.h> |
| 407 | # ifdef SYS_clock_gettime |
445 | # ifdef SYS_clock_gettime |
| 408 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
446 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
| 409 | # undef EV_USE_MONOTONIC |
447 | # undef EV_USE_MONOTONIC |
| 410 | # define EV_USE_MONOTONIC 1 |
448 | # define EV_USE_MONOTONIC 1 |
|
|
449 | # define EV_NEED_SYSCALL 1 |
| 411 | # else |
450 | # else |
| 412 | # undef EV_USE_CLOCK_SYSCALL |
451 | # undef EV_USE_CLOCK_SYSCALL |
| 413 | # define EV_USE_CLOCK_SYSCALL 0 |
452 | # define EV_USE_CLOCK_SYSCALL 0 |
| 414 | # endif |
453 | # endif |
| 415 | #endif |
454 | #endif |
| … | |
… | |
| 427 | #endif |
466 | #endif |
| 428 | |
467 | |
| 429 | #if !EV_STAT_ENABLE |
468 | #if !EV_STAT_ENABLE |
| 430 | # undef EV_USE_INOTIFY |
469 | # undef EV_USE_INOTIFY |
| 431 | # define EV_USE_INOTIFY 0 |
470 | # define EV_USE_INOTIFY 0 |
|
|
471 | #endif |
|
|
472 | |
|
|
473 | #if __linux && EV_USE_IOURING |
|
|
474 | # include <linux/version.h> |
|
|
475 | # if LINUX_VERSION_CODE < KERNEL_VERSION(4,14,0) |
|
|
476 | # undef EV_USE_IOURING |
|
|
477 | # define EV_USE_IOURING 0 |
|
|
478 | # endif |
| 432 | #endif |
479 | #endif |
| 433 | |
480 | |
| 434 | #if !EV_USE_NANOSLEEP |
481 | #if !EV_USE_NANOSLEEP |
| 435 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
482 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
| 436 | # if !defined _WIN32 && !defined __hpux |
483 | # if !defined _WIN32 && !defined __hpux |
| … | |
… | |
| 438 | # endif |
485 | # endif |
| 439 | #endif |
486 | #endif |
| 440 | |
487 | |
| 441 | #if EV_USE_LINUXAIO |
488 | #if EV_USE_LINUXAIO |
| 442 | # include <sys/syscall.h> |
489 | # include <sys/syscall.h> |
| 443 | # if !SYS_io_getevents || !EV_USE_EPOLL /* ev_linxaio uses ev_poll.c:ev_epoll_create */ |
490 | # if SYS_io_getevents && EV_USE_EPOLL /* linuxaio backend requires epoll backend */ |
|
|
491 | # define EV_NEED_SYSCALL 1 |
|
|
492 | # else |
| 444 | # undef EV_USE_LINUXAIO |
493 | # undef EV_USE_LINUXAIO |
| 445 | # define EV_USE_LINUXAIO 0 |
494 | # define EV_USE_LINUXAIO 0 |
|
|
495 | # endif |
|
|
496 | #endif |
|
|
497 | |
|
|
498 | #if EV_USE_IOURING |
|
|
499 | # include <sys/syscall.h> |
|
|
500 | # if !SYS_io_uring_register && __linux && !__alpha |
|
|
501 | # define SYS_io_uring_setup 425 |
|
|
502 | # define SYS_io_uring_enter 426 |
|
|
503 | # define SYS_io_uring_register 427 |
|
|
504 | # endif |
|
|
505 | # if SYS_io_uring_setup && EV_USE_EPOLL /* iouring backend requires epoll backend */ |
|
|
506 | # define EV_NEED_SYSCALL 1 |
|
|
507 | # else |
|
|
508 | # undef EV_USE_IOURING |
|
|
509 | # define EV_USE_IOURING 0 |
| 446 | # endif |
510 | # endif |
| 447 | #endif |
511 | #endif |
| 448 | |
512 | |
| 449 | #if EV_USE_INOTIFY |
513 | #if EV_USE_INOTIFY |
| 450 | # include <sys/statfs.h> |
514 | # include <sys/statfs.h> |
| … | |
… | |
| 455 | # define EV_USE_INOTIFY 0 |
519 | # define EV_USE_INOTIFY 0 |
| 456 | # endif |
520 | # endif |
| 457 | #endif |
521 | #endif |
| 458 | |
522 | |
| 459 | #if EV_USE_EVENTFD |
523 | #if EV_USE_EVENTFD |
| 460 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
524 | /* our minimum requirement is glibc 2.7 which has the stub, but not the full header */ |
| 461 | # include <stdint.h> |
525 | # include <stdint.h> |
| 462 | # ifndef EFD_NONBLOCK |
526 | # ifndef EFD_NONBLOCK |
| 463 | # define EFD_NONBLOCK O_NONBLOCK |
527 | # define EFD_NONBLOCK O_NONBLOCK |
| 464 | # endif |
528 | # endif |
| 465 | # ifndef EFD_CLOEXEC |
529 | # ifndef EFD_CLOEXEC |
| … | |
… | |
| 471 | # endif |
535 | # endif |
| 472 | EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags); |
536 | EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags); |
| 473 | #endif |
537 | #endif |
| 474 | |
538 | |
| 475 | #if EV_USE_SIGNALFD |
539 | #if EV_USE_SIGNALFD |
| 476 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
540 | /* our minimum requirement is glibc 2.7 which has the stub, but not the full header */ |
| 477 | # include <stdint.h> |
541 | # include <stdint.h> |
| 478 | # ifndef SFD_NONBLOCK |
542 | # ifndef SFD_NONBLOCK |
| 479 | # define SFD_NONBLOCK O_NONBLOCK |
543 | # define SFD_NONBLOCK O_NONBLOCK |
| 480 | # endif |
544 | # endif |
| 481 | # ifndef SFD_CLOEXEC |
545 | # ifndef SFD_CLOEXEC |
| … | |
… | |
| 483 | # define SFD_CLOEXEC O_CLOEXEC |
547 | # define SFD_CLOEXEC O_CLOEXEC |
| 484 | # else |
548 | # else |
| 485 | # define SFD_CLOEXEC 02000000 |
549 | # define SFD_CLOEXEC 02000000 |
| 486 | # endif |
550 | # endif |
| 487 | # endif |
551 | # endif |
| 488 | EV_CPP (extern "C") int signalfd (int fd, const sigset_t *mask, int flags); |
552 | EV_CPP (extern "C") int (signalfd) (int fd, const sigset_t *mask, int flags); |
| 489 | |
553 | |
| 490 | struct signalfd_siginfo |
554 | struct signalfd_siginfo |
| 491 | { |
555 | { |
| 492 | uint32_t ssi_signo; |
556 | uint32_t ssi_signo; |
| 493 | char pad[128 - sizeof (uint32_t)]; |
557 | char pad[128 - sizeof (uint32_t)]; |
| 494 | }; |
558 | }; |
| 495 | #endif |
559 | #endif |
| 496 | |
560 | |
| 497 | /**/ |
561 | /* for timerfd, libev core requires TFD_TIMER_CANCEL_ON_SET &c */ |
|
|
562 | #if EV_USE_TIMERFD |
|
|
563 | # include <sys/timerfd.h> |
|
|
564 | /* timerfd is only used for periodics */ |
|
|
565 | # if !(defined (TFD_TIMER_CANCEL_ON_SET) && defined (TFD_CLOEXEC) && defined (TFD_NONBLOCK)) || !EV_PERIODIC_ENABLE |
|
|
566 | # undef EV_USE_TIMERFD |
|
|
567 | # define EV_USE_TIMERFD 0 |
|
|
568 | # endif |
|
|
569 | #endif |
|
|
570 | |
|
|
571 | /*****************************************************************************/ |
| 498 | |
572 | |
| 499 | #if EV_VERIFY >= 3 |
573 | #if EV_VERIFY >= 3 |
| 500 | # define EV_FREQUENT_CHECK ev_verify (EV_A) |
574 | # define EV_FREQUENT_CHECK ev_verify (EV_A) |
| 501 | #else |
575 | #else |
| 502 | # define EV_FREQUENT_CHECK do { } while (0) |
576 | # define EV_FREQUENT_CHECK do { } while (0) |
| … | |
… | |
| 507 | * This value is good at least till the year 4000. |
581 | * This value is good at least till the year 4000. |
| 508 | */ |
582 | */ |
| 509 | #define MIN_INTERVAL 0.0001220703125 /* 1/2**13, good till 4000 */ |
583 | #define MIN_INTERVAL 0.0001220703125 /* 1/2**13, good till 4000 */ |
| 510 | /*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20, good till 2200 */ |
584 | /*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20, good till 2200 */ |
| 511 | |
585 | |
| 512 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
586 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
| 513 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
587 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
|
|
588 | #define MAX_BLOCKTIME2 1500001.07 /* same, but when timerfd is used to detect jumps, also safe delay to not overflow */ |
| 514 | |
589 | |
|
|
590 | /* find a portable timestamp that is "always" in the future but fits into time_t. |
|
|
591 | * this is quite hard, and we are mostly guessing - we handle 32 bit signed/unsigned time_t, |
|
|
592 | * and sizes larger than 32 bit, and maybe the unlikely floating point time_t */ |
|
|
593 | #define EV_TSTAMP_HUGE \ |
|
|
594 | (sizeof (time_t) >= 8 ? 10000000000000. \ |
|
|
595 | : 0 < (time_t)4294967295 ? 4294967295. \ |
|
|
596 | : 2147483647.) \ |
|
|
597 | |
|
|
598 | #ifndef EV_TS_CONST |
|
|
599 | # define EV_TS_CONST(nv) nv |
|
|
600 | # define EV_TS_TO_MSEC(a) a * 1e3 + 0.9999 |
|
|
601 | # define EV_TS_FROM_USEC(us) us * 1e-6 |
| 515 | #define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) |
602 | # define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) |
| 516 | #define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0) |
603 | # define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0) |
|
|
604 | # define EV_TV_GET(tv) ((tv).tv_sec + (tv).tv_usec * 1e-6) |
|
|
605 | # define EV_TS_GET(ts) ((ts).tv_sec + (ts).tv_nsec * 1e-9) |
|
|
606 | #endif |
| 517 | |
607 | |
| 518 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
608 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
| 519 | /* ECB.H BEGIN */ |
609 | /* ECB.H BEGIN */ |
| 520 | /* |
610 | /* |
| 521 | * libecb - http://software.schmorp.de/pkg/libecb |
611 | * libecb - http://software.schmorp.de/pkg/libecb |
| 522 | * |
612 | * |
| 523 | * Copyright (©) 2009-2015 Marc Alexander Lehmann <libecb@schmorp.de> |
613 | * Copyright (©) 2009-2015,2018-2020 Marc Alexander Lehmann <libecb@schmorp.de> |
| 524 | * Copyright (©) 2011 Emanuele Giaquinta |
614 | * Copyright (©) 2011 Emanuele Giaquinta |
| 525 | * All rights reserved. |
615 | * All rights reserved. |
| 526 | * |
616 | * |
| 527 | * Redistribution and use in source and binary forms, with or without modifica- |
617 | * Redistribution and use in source and binary forms, with or without modifica- |
| 528 | * tion, are permitted provided that the following conditions are met: |
618 | * tion, are permitted provided that the following conditions are met: |
| … | |
… | |
| 559 | |
649 | |
| 560 | #ifndef ECB_H |
650 | #ifndef ECB_H |
| 561 | #define ECB_H |
651 | #define ECB_H |
| 562 | |
652 | |
| 563 | /* 16 bits major, 16 bits minor */ |
653 | /* 16 bits major, 16 bits minor */ |
| 564 | #define ECB_VERSION 0x00010006 |
654 | #define ECB_VERSION 0x00010008 |
| 565 | |
655 | |
| 566 | #ifdef _WIN32 |
656 | #include <string.h> /* for memcpy */ |
|
|
657 | |
|
|
658 | #if defined (_WIN32) && !defined (__MINGW32__) |
| 567 | typedef signed char int8_t; |
659 | typedef signed char int8_t; |
| 568 | typedef unsigned char uint8_t; |
660 | typedef unsigned char uint8_t; |
|
|
661 | typedef signed char int_fast8_t; |
|
|
662 | typedef unsigned char uint_fast8_t; |
| 569 | typedef signed short int16_t; |
663 | typedef signed short int16_t; |
| 570 | typedef unsigned short uint16_t; |
664 | typedef unsigned short uint16_t; |
|
|
665 | typedef signed int int_fast16_t; |
|
|
666 | typedef unsigned int uint_fast16_t; |
| 571 | typedef signed int int32_t; |
667 | typedef signed int int32_t; |
| 572 | typedef unsigned int uint32_t; |
668 | typedef unsigned int uint32_t; |
|
|
669 | typedef signed int int_fast32_t; |
|
|
670 | typedef unsigned int uint_fast32_t; |
| 573 | #if __GNUC__ |
671 | #if __GNUC__ |
| 574 | typedef signed long long int64_t; |
672 | typedef signed long long int64_t; |
| 575 | typedef unsigned long long uint64_t; |
673 | typedef unsigned long long uint64_t; |
| 576 | #else /* _MSC_VER || __BORLANDC__ */ |
674 | #else /* _MSC_VER || __BORLANDC__ */ |
| 577 | typedef signed __int64 int64_t; |
675 | typedef signed __int64 int64_t; |
| 578 | typedef unsigned __int64 uint64_t; |
676 | typedef unsigned __int64 uint64_t; |
| 579 | #endif |
677 | #endif |
|
|
678 | typedef int64_t int_fast64_t; |
|
|
679 | typedef uint64_t uint_fast64_t; |
| 580 | #ifdef _WIN64 |
680 | #ifdef _WIN64 |
| 581 | #define ECB_PTRSIZE 8 |
681 | #define ECB_PTRSIZE 8 |
| 582 | typedef uint64_t uintptr_t; |
682 | typedef uint64_t uintptr_t; |
| 583 | typedef int64_t intptr_t; |
683 | typedef int64_t intptr_t; |
| 584 | #else |
684 | #else |
| … | |
… | |
| 595 | #endif |
695 | #endif |
| 596 | #endif |
696 | #endif |
| 597 | |
697 | |
| 598 | #define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__) |
698 | #define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__) |
| 599 | #define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64) |
699 | #define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64) |
|
|
700 | |
|
|
701 | #ifndef ECB_OPTIMIZE_SIZE |
|
|
702 | #if __OPTIMIZE_SIZE__ |
|
|
703 | #define ECB_OPTIMIZE_SIZE 1 |
|
|
704 | #else |
|
|
705 | #define ECB_OPTIMIZE_SIZE 0 |
|
|
706 | #endif |
|
|
707 | #endif |
| 600 | |
708 | |
| 601 | /* work around x32 idiocy by defining proper macros */ |
709 | /* work around x32 idiocy by defining proper macros */ |
| 602 | #if ECB_GCC_AMD64 || ECB_MSVC_AMD64 |
710 | #if ECB_GCC_AMD64 || ECB_MSVC_AMD64 |
| 603 | #if _ILP32 |
711 | #if _ILP32 |
| 604 | #define ECB_AMD64_X32 1 |
712 | #define ECB_AMD64_X32 1 |
| … | |
… | |
| 1111 | ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); } |
1219 | ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); } |
| 1112 | ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } |
1220 | ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } |
| 1113 | ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } |
1221 | ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } |
| 1114 | ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } |
1222 | ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } |
| 1115 | |
1223 | |
|
|
1224 | #if ECB_CPP |
|
|
1225 | |
|
|
1226 | inline uint8_t ecb_ctz (uint8_t v) { return ecb_ctz32 (v); } |
|
|
1227 | inline uint16_t ecb_ctz (uint16_t v) { return ecb_ctz32 (v); } |
|
|
1228 | inline uint32_t ecb_ctz (uint32_t v) { return ecb_ctz32 (v); } |
|
|
1229 | inline uint64_t ecb_ctz (uint64_t v) { return ecb_ctz64 (v); } |
|
|
1230 | |
|
|
1231 | inline bool ecb_is_pot (uint8_t v) { return ecb_is_pot32 (v); } |
|
|
1232 | inline bool ecb_is_pot (uint16_t v) { return ecb_is_pot32 (v); } |
|
|
1233 | inline bool ecb_is_pot (uint32_t v) { return ecb_is_pot32 (v); } |
|
|
1234 | inline bool ecb_is_pot (uint64_t v) { return ecb_is_pot64 (v); } |
|
|
1235 | |
|
|
1236 | inline int ecb_ld (uint8_t v) { return ecb_ld32 (v); } |
|
|
1237 | inline int ecb_ld (uint16_t v) { return ecb_ld32 (v); } |
|
|
1238 | inline int ecb_ld (uint32_t v) { return ecb_ld32 (v); } |
|
|
1239 | inline int ecb_ld (uint64_t v) { return ecb_ld64 (v); } |
|
|
1240 | |
|
|
1241 | inline int ecb_popcount (uint8_t v) { return ecb_popcount32 (v); } |
|
|
1242 | inline int ecb_popcount (uint16_t v) { return ecb_popcount32 (v); } |
|
|
1243 | inline int ecb_popcount (uint32_t v) { return ecb_popcount32 (v); } |
|
|
1244 | inline int ecb_popcount (uint64_t v) { return ecb_popcount64 (v); } |
|
|
1245 | |
|
|
1246 | inline uint8_t ecb_bitrev (uint8_t v) { return ecb_bitrev8 (v); } |
|
|
1247 | inline uint16_t ecb_bitrev (uint16_t v) { return ecb_bitrev16 (v); } |
|
|
1248 | inline uint32_t ecb_bitrev (uint32_t v) { return ecb_bitrev32 (v); } |
|
|
1249 | |
|
|
1250 | inline uint8_t ecb_rotl (uint8_t v, unsigned int count) { return ecb_rotl8 (v, count); } |
|
|
1251 | inline uint16_t ecb_rotl (uint16_t v, unsigned int count) { return ecb_rotl16 (v, count); } |
|
|
1252 | inline uint32_t ecb_rotl (uint32_t v, unsigned int count) { return ecb_rotl32 (v, count); } |
|
|
1253 | inline uint64_t ecb_rotl (uint64_t v, unsigned int count) { return ecb_rotl64 (v, count); } |
|
|
1254 | |
|
|
1255 | inline uint8_t ecb_rotr (uint8_t v, unsigned int count) { return ecb_rotr8 (v, count); } |
|
|
1256 | inline uint16_t ecb_rotr (uint16_t v, unsigned int count) { return ecb_rotr16 (v, count); } |
|
|
1257 | inline uint32_t ecb_rotr (uint32_t v, unsigned int count) { return ecb_rotr32 (v, count); } |
|
|
1258 | inline uint64_t ecb_rotr (uint64_t v, unsigned int count) { return ecb_rotr64 (v, count); } |
|
|
1259 | |
|
|
1260 | #endif |
|
|
1261 | |
| 1116 | #if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64)) |
1262 | #if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64)) |
| 1117 | #if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16) |
1263 | #if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16) |
| 1118 | #define ecb_bswap16(x) __builtin_bswap16 (x) |
1264 | #define ecb_bswap16(x) __builtin_bswap16 (x) |
| 1119 | #else |
1265 | #else |
| 1120 | #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) |
1266 | #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) |
| … | |
… | |
| 1191 | ecb_inline ecb_const ecb_bool ecb_big_endian (void); |
1337 | ecb_inline ecb_const ecb_bool ecb_big_endian (void); |
| 1192 | ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11223344; } |
1338 | ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11223344; } |
| 1193 | ecb_inline ecb_const ecb_bool ecb_little_endian (void); |
1339 | ecb_inline ecb_const ecb_bool ecb_little_endian (void); |
| 1194 | ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; } |
1340 | ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; } |
| 1195 | |
1341 | |
|
|
1342 | /*****************************************************************************/ |
|
|
1343 | /* unaligned load/store */ |
|
|
1344 | |
|
|
1345 | ecb_inline uint_fast16_t ecb_be_u16_to_host (uint_fast16_t v) { return ecb_little_endian () ? ecb_bswap16 (v) : v; } |
|
|
1346 | ecb_inline uint_fast32_t ecb_be_u32_to_host (uint_fast32_t v) { return ecb_little_endian () ? ecb_bswap32 (v) : v; } |
|
|
1347 | ecb_inline uint_fast64_t ecb_be_u64_to_host (uint_fast64_t v) { return ecb_little_endian () ? ecb_bswap64 (v) : v; } |
|
|
1348 | |
|
|
1349 | ecb_inline uint_fast16_t ecb_le_u16_to_host (uint_fast16_t v) { return ecb_big_endian () ? ecb_bswap16 (v) : v; } |
|
|
1350 | ecb_inline uint_fast32_t ecb_le_u32_to_host (uint_fast32_t v) { return ecb_big_endian () ? ecb_bswap32 (v) : v; } |
|
|
1351 | ecb_inline uint_fast64_t ecb_le_u64_to_host (uint_fast64_t v) { return ecb_big_endian () ? ecb_bswap64 (v) : v; } |
|
|
1352 | |
|
|
1353 | ecb_inline uint_fast16_t ecb_peek_u16_u (const void *ptr) { uint16_t v; memcpy (&v, ptr, sizeof (v)); return v; } |
|
|
1354 | ecb_inline uint_fast32_t ecb_peek_u32_u (const void *ptr) { uint32_t v; memcpy (&v, ptr, sizeof (v)); return v; } |
|
|
1355 | ecb_inline uint_fast64_t ecb_peek_u64_u (const void *ptr) { uint64_t v; memcpy (&v, ptr, sizeof (v)); return v; } |
|
|
1356 | |
|
|
1357 | ecb_inline uint_fast16_t ecb_peek_be_u16_u (const void *ptr) { return ecb_be_u16_to_host (ecb_peek_u16_u (ptr)); } |
|
|
1358 | ecb_inline uint_fast32_t ecb_peek_be_u32_u (const void *ptr) { return ecb_be_u32_to_host (ecb_peek_u32_u (ptr)); } |
|
|
1359 | ecb_inline uint_fast64_t ecb_peek_be_u64_u (const void *ptr) { return ecb_be_u64_to_host (ecb_peek_u64_u (ptr)); } |
|
|
1360 | |
|
|
1361 | ecb_inline uint_fast16_t ecb_peek_le_u16_u (const void *ptr) { return ecb_le_u16_to_host (ecb_peek_u16_u (ptr)); } |
|
|
1362 | ecb_inline uint_fast32_t ecb_peek_le_u32_u (const void *ptr) { return ecb_le_u32_to_host (ecb_peek_u32_u (ptr)); } |
|
|
1363 | ecb_inline uint_fast64_t ecb_peek_le_u64_u (const void *ptr) { return ecb_le_u64_to_host (ecb_peek_u64_u (ptr)); } |
|
|
1364 | |
|
|
1365 | ecb_inline uint_fast16_t ecb_host_to_be_u16 (uint_fast16_t v) { return ecb_little_endian () ? ecb_bswap16 (v) : v; } |
|
|
1366 | ecb_inline uint_fast32_t ecb_host_to_be_u32 (uint_fast32_t v) { return ecb_little_endian () ? ecb_bswap32 (v) : v; } |
|
|
1367 | ecb_inline uint_fast64_t ecb_host_to_be_u64 (uint_fast64_t v) { return ecb_little_endian () ? ecb_bswap64 (v) : v; } |
|
|
1368 | |
|
|
1369 | ecb_inline uint_fast16_t ecb_host_to_le_u16 (uint_fast16_t v) { return ecb_big_endian () ? ecb_bswap16 (v) : v; } |
|
|
1370 | ecb_inline uint_fast32_t ecb_host_to_le_u32 (uint_fast32_t v) { return ecb_big_endian () ? ecb_bswap32 (v) : v; } |
|
|
1371 | ecb_inline uint_fast64_t ecb_host_to_le_u64 (uint_fast64_t v) { return ecb_big_endian () ? ecb_bswap64 (v) : v; } |
|
|
1372 | |
|
|
1373 | ecb_inline void ecb_poke_u16_u (void *ptr, uint16_t v) { memcpy (ptr, &v, sizeof (v)); } |
|
|
1374 | ecb_inline void ecb_poke_u32_u (void *ptr, uint32_t v) { memcpy (ptr, &v, sizeof (v)); } |
|
|
1375 | ecb_inline void ecb_poke_u64_u (void *ptr, uint64_t v) { memcpy (ptr, &v, sizeof (v)); } |
|
|
1376 | |
|
|
1377 | 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)); } |
|
|
1378 | 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)); } |
|
|
1379 | 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)); } |
|
|
1380 | |
|
|
1381 | 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)); } |
|
|
1382 | 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)); } |
|
|
1383 | 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)); } |
|
|
1384 | |
|
|
1385 | #if ECB_CPP |
|
|
1386 | |
|
|
1387 | inline uint8_t ecb_bswap (uint8_t v) { return v; } |
|
|
1388 | inline uint16_t ecb_bswap (uint16_t v) { return ecb_bswap16 (v); } |
|
|
1389 | inline uint32_t ecb_bswap (uint32_t v) { return ecb_bswap32 (v); } |
|
|
1390 | inline uint64_t ecb_bswap (uint64_t v) { return ecb_bswap64 (v); } |
|
|
1391 | |
|
|
1392 | template<typename T> inline T ecb_be_to_host (T v) { return ecb_little_endian () ? ecb_bswap (v) : v; } |
|
|
1393 | template<typename T> inline T ecb_le_to_host (T v) { return ecb_big_endian () ? ecb_bswap (v) : v; } |
|
|
1394 | template<typename T> inline T ecb_peek (const void *ptr) { return *(const T *)ptr; } |
|
|
1395 | template<typename T> inline T ecb_peek_be (const void *ptr) { return ecb_be_to_host (ecb_peek <T> (ptr)); } |
|
|
1396 | template<typename T> inline T ecb_peek_le (const void *ptr) { return ecb_le_to_host (ecb_peek <T> (ptr)); } |
|
|
1397 | template<typename T> inline T ecb_peek_u (const void *ptr) { T v; memcpy (&v, ptr, sizeof (v)); return v; } |
|
|
1398 | template<typename T> inline T ecb_peek_be_u (const void *ptr) { return ecb_be_to_host (ecb_peek_u<T> (ptr)); } |
|
|
1399 | template<typename T> inline T ecb_peek_le_u (const void *ptr) { return ecb_le_to_host (ecb_peek_u<T> (ptr)); } |
|
|
1400 | |
|
|
1401 | template<typename T> inline T ecb_host_to_be (T v) { return ecb_little_endian () ? ecb_bswap (v) : v; } |
|
|
1402 | template<typename T> inline T ecb_host_to_le (T v) { return ecb_big_endian () ? ecb_bswap (v) : v; } |
|
|
1403 | template<typename T> inline void ecb_poke (void *ptr, T v) { *(T *)ptr = v; } |
|
|
1404 | template<typename T> inline void ecb_poke_be (void *ptr, T v) { return ecb_poke <T> (ptr, ecb_host_to_be (v)); } |
|
|
1405 | template<typename T> inline void ecb_poke_le (void *ptr, T v) { return ecb_poke <T> (ptr, ecb_host_to_le (v)); } |
|
|
1406 | template<typename T> inline void ecb_poke_u (void *ptr, T v) { memcpy (ptr, &v, sizeof (v)); } |
|
|
1407 | template<typename T> inline void ecb_poke_be_u (void *ptr, T v) { return ecb_poke_u<T> (ptr, ecb_host_to_be (v)); } |
|
|
1408 | template<typename T> inline void ecb_poke_le_u (void *ptr, T v) { return ecb_poke_u<T> (ptr, ecb_host_to_le (v)); } |
|
|
1409 | |
|
|
1410 | #endif |
|
|
1411 | |
|
|
1412 | /*****************************************************************************/ |
|
|
1413 | |
| 1196 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
1414 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
| 1197 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
1415 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
| 1198 | #else |
1416 | #else |
| 1199 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
1417 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
| 1200 | #endif |
1418 | #endif |
| … | |
… | |
| 1223 | return N; |
1441 | return N; |
| 1224 | } |
1442 | } |
| 1225 | #else |
1443 | #else |
| 1226 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
1444 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
| 1227 | #endif |
1445 | #endif |
|
|
1446 | |
|
|
1447 | /*****************************************************************************/ |
| 1228 | |
1448 | |
| 1229 | ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x); |
1449 | ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x); |
| 1230 | ecb_function_ ecb_const uint32_t |
1450 | ecb_function_ ecb_const uint32_t |
| 1231 | ecb_binary16_to_binary32 (uint32_t x) |
1451 | ecb_binary16_to_binary32 (uint32_t x) |
| 1232 | { |
1452 | { |
| … | |
… | |
| 1341 | || defined __sh__ \ |
1561 | || defined __sh__ \ |
| 1342 | || defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \ |
1562 | || defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \ |
| 1343 | || (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \ |
1563 | || (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \ |
| 1344 | || defined __aarch64__ |
1564 | || defined __aarch64__ |
| 1345 | #define ECB_STDFP 1 |
1565 | #define ECB_STDFP 1 |
| 1346 | #include <string.h> /* for memcpy */ |
|
|
| 1347 | #else |
1566 | #else |
| 1348 | #define ECB_STDFP 0 |
1567 | #define ECB_STDFP 0 |
| 1349 | #endif |
1568 | #endif |
| 1350 | |
1569 | |
| 1351 | #ifndef ECB_NO_LIBM |
1570 | #ifndef ECB_NO_LIBM |
| … | |
… | |
| 1558 | # define inline_speed ecb_inline |
1777 | # define inline_speed ecb_inline |
| 1559 | #else |
1778 | #else |
| 1560 | # define inline_speed ecb_noinline static |
1779 | # define inline_speed ecb_noinline static |
| 1561 | #endif |
1780 | #endif |
| 1562 | |
1781 | |
|
|
1782 | /*****************************************************************************/ |
|
|
1783 | /* raw syscall wrappers */ |
|
|
1784 | |
|
|
1785 | #if EV_NEED_SYSCALL |
|
|
1786 | |
|
|
1787 | #include <sys/syscall.h> |
|
|
1788 | |
|
|
1789 | /* |
|
|
1790 | * define some syscall wrappers for common architectures |
|
|
1791 | * this is mostly for nice looks during debugging, not performance. |
|
|
1792 | * our syscalls return < 0, not == -1, on error. which is good |
|
|
1793 | * enough for linux aio. |
|
|
1794 | * TODO: arm is also common nowadays, maybe even mips and x86 |
|
|
1795 | * TODO: after implementing this, it suddenly looks like overkill, but its hard to remove... |
|
|
1796 | */ |
|
|
1797 | #if __GNUC__ && __linux && ECB_AMD64 && !EV_FEATURE_CODE |
|
|
1798 | /* the costly errno access probably kills this for size optimisation */ |
|
|
1799 | |
|
|
1800 | #define ev_syscall(nr,narg,arg1,arg2,arg3,arg4,arg5,arg6) \ |
|
|
1801 | ({ \ |
|
|
1802 | long res; \ |
|
|
1803 | register unsigned long r6 __asm__ ("r9" ); \ |
|
|
1804 | register unsigned long r5 __asm__ ("r8" ); \ |
|
|
1805 | register unsigned long r4 __asm__ ("r10"); \ |
|
|
1806 | register unsigned long r3 __asm__ ("rdx"); \ |
|
|
1807 | register unsigned long r2 __asm__ ("rsi"); \ |
|
|
1808 | register unsigned long r1 __asm__ ("rdi"); \ |
|
|
1809 | if (narg >= 6) r6 = (unsigned long)(arg6); \ |
|
|
1810 | if (narg >= 5) r5 = (unsigned long)(arg5); \ |
|
|
1811 | if (narg >= 4) r4 = (unsigned long)(arg4); \ |
|
|
1812 | if (narg >= 3) r3 = (unsigned long)(arg3); \ |
|
|
1813 | if (narg >= 2) r2 = (unsigned long)(arg2); \ |
|
|
1814 | if (narg >= 1) r1 = (unsigned long)(arg1); \ |
|
|
1815 | __asm__ __volatile__ ( \ |
|
|
1816 | "syscall\n\t" \ |
|
|
1817 | : "=a" (res) \ |
|
|
1818 | : "0" (nr), "r" (r1), "r" (r2), "r" (r3), "r" (r4), "r" (r5) \ |
|
|
1819 | : "cc", "r11", "cx", "memory"); \ |
|
|
1820 | errno = -res; \ |
|
|
1821 | res; \ |
|
|
1822 | }) |
|
|
1823 | |
|
|
1824 | #endif |
|
|
1825 | |
|
|
1826 | #ifdef ev_syscall |
|
|
1827 | #define ev_syscall0(nr) ev_syscall (nr, 0, 0, 0, 0, 0, 0, 0) |
|
|
1828 | #define ev_syscall1(nr,arg1) ev_syscall (nr, 1, arg1, 0, 0, 0, 0, 0) |
|
|
1829 | #define ev_syscall2(nr,arg1,arg2) ev_syscall (nr, 2, arg1, arg2, 0, 0, 0, 0) |
|
|
1830 | #define ev_syscall3(nr,arg1,arg2,arg3) ev_syscall (nr, 3, arg1, arg2, arg3, 0, 0, 0) |
|
|
1831 | #define ev_syscall4(nr,arg1,arg2,arg3,arg4) ev_syscall (nr, 3, arg1, arg2, arg3, arg4, 0, 0) |
|
|
1832 | #define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) ev_syscall (nr, 5, arg1, arg2, arg3, arg4, arg5, 0) |
|
|
1833 | #define ev_syscall6(nr,arg1,arg2,arg3,arg4,arg5,arg6) ev_syscall (nr, 6, arg1, arg2, arg3, arg4, arg5,arg6) |
|
|
1834 | #else |
|
|
1835 | #define ev_syscall0(nr) syscall (nr) |
|
|
1836 | #define ev_syscall1(nr,arg1) syscall (nr, arg1) |
|
|
1837 | #define ev_syscall2(nr,arg1,arg2) syscall (nr, arg1, arg2) |
|
|
1838 | #define ev_syscall3(nr,arg1,arg2,arg3) syscall (nr, arg1, arg2, arg3) |
|
|
1839 | #define ev_syscall4(nr,arg1,arg2,arg3,arg4) syscall (nr, arg1, arg2, arg3, arg4) |
|
|
1840 | #define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) syscall (nr, arg1, arg2, arg3, arg4, arg5) |
|
|
1841 | #define ev_syscall6(nr,arg1,arg2,arg3,arg4,arg5,arg6) syscall (nr, arg1, arg2, arg3, arg4, arg5,arg6) |
|
|
1842 | #endif |
|
|
1843 | |
|
|
1844 | #endif |
|
|
1845 | |
|
|
1846 | /*****************************************************************************/ |
|
|
1847 | |
| 1563 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
1848 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
| 1564 | |
1849 | |
| 1565 | #if EV_MINPRI == EV_MAXPRI |
1850 | #if EV_MINPRI == EV_MAXPRI |
| 1566 | # define ABSPRI(w) (((W)w), 0) |
1851 | # define ABSPRI(w) (((W)w), 0) |
| 1567 | #else |
1852 | #else |
| … | |
… | |
| 1626 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
1911 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
| 1627 | #else |
1912 | #else |
| 1628 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.; |
1913 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.; |
| 1629 | #endif |
1914 | #endif |
| 1630 | |
1915 | |
|
|
1916 | /* special treatment for negative arguments */ |
|
|
1917 | if (ecb_expect_false (v < 0.)) |
|
|
1918 | { |
|
|
1919 | ev_tstamp f = -ev_floor (-v); |
|
|
1920 | |
|
|
1921 | return f - (f == v ? 0 : 1); |
|
|
1922 | } |
|
|
1923 | |
| 1631 | /* argument too large for an unsigned long? */ |
1924 | /* argument too large for an unsigned long? then reduce it */ |
| 1632 | if (ecb_expect_false (v >= shift)) |
1925 | if (ecb_expect_false (v >= shift)) |
| 1633 | { |
1926 | { |
| 1634 | ev_tstamp f; |
1927 | ev_tstamp f; |
| 1635 | |
1928 | |
| 1636 | if (v == v - 1.) |
1929 | if (v == v - 1.) |
| 1637 | return v; /* very large number */ |
1930 | return v; /* very large numbers are assumed to be integer */ |
| 1638 | |
1931 | |
| 1639 | f = shift * ev_floor (v * (1. / shift)); |
1932 | f = shift * ev_floor (v * (1. / shift)); |
| 1640 | return f + ev_floor (v - f); |
1933 | return f + ev_floor (v - f); |
| 1641 | } |
|
|
| 1642 | |
|
|
| 1643 | /* special treatment for negative args? */ |
|
|
| 1644 | if (ecb_expect_false (v < 0.)) |
|
|
| 1645 | { |
|
|
| 1646 | ev_tstamp f = -ev_floor (-v); |
|
|
| 1647 | |
|
|
| 1648 | return f - (f == v ? 0 : 1); |
|
|
| 1649 | } |
1934 | } |
| 1650 | |
1935 | |
| 1651 | /* fits into an unsigned long */ |
1936 | /* fits into an unsigned long */ |
| 1652 | return (unsigned long)v; |
1937 | return (unsigned long)v; |
| 1653 | } |
1938 | } |
| … | |
… | |
| 1797 | { |
2082 | { |
| 1798 | WL head; |
2083 | WL head; |
| 1799 | unsigned char events; /* the events watched for */ |
2084 | unsigned char events; /* the events watched for */ |
| 1800 | unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ |
2085 | unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ |
| 1801 | unsigned char emask; /* some backends store the actual kernel mask in here */ |
2086 | unsigned char emask; /* some backends store the actual kernel mask in here */ |
| 1802 | unsigned char unused; |
2087 | unsigned char eflags; /* flags field for use by backends */ |
| 1803 | #if EV_USE_EPOLL |
2088 | #if EV_USE_EPOLL |
| 1804 | unsigned int egen; /* generation counter to counter epoll bugs */ |
2089 | unsigned int egen; /* generation counter to counter epoll bugs */ |
| 1805 | #endif |
2090 | #endif |
| 1806 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
2091 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
| 1807 | SOCKET handle; |
2092 | SOCKET handle; |
| … | |
… | |
| 1861 | static struct ev_loop default_loop_struct; |
2146 | static struct ev_loop default_loop_struct; |
| 1862 | EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */ |
2147 | EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */ |
| 1863 | |
2148 | |
| 1864 | #else |
2149 | #else |
| 1865 | |
2150 | |
| 1866 | EV_API_DECL ev_tstamp ev_rt_now = 0; /* needs to be initialised to make it a definition despite extern */ |
2151 | EV_API_DECL ev_tstamp ev_rt_now = EV_TS_CONST (0.); /* needs to be initialised to make it a definition despite extern */ |
| 1867 | #define VAR(name,decl) static decl; |
2152 | #define VAR(name,decl) static decl; |
| 1868 | #include "ev_vars.h" |
2153 | #include "ev_vars.h" |
| 1869 | #undef VAR |
2154 | #undef VAR |
| 1870 | |
2155 | |
| 1871 | static int ev_default_loop_ptr; |
2156 | static int ev_default_loop_ptr; |
| … | |
… | |
| 1893 | #if EV_USE_REALTIME |
2178 | #if EV_USE_REALTIME |
| 1894 | if (ecb_expect_true (have_realtime)) |
2179 | if (ecb_expect_true (have_realtime)) |
| 1895 | { |
2180 | { |
| 1896 | struct timespec ts; |
2181 | struct timespec ts; |
| 1897 | clock_gettime (CLOCK_REALTIME, &ts); |
2182 | clock_gettime (CLOCK_REALTIME, &ts); |
| 1898 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
2183 | return EV_TS_GET (ts); |
| 1899 | } |
2184 | } |
| 1900 | #endif |
2185 | #endif |
| 1901 | |
2186 | |
|
|
2187 | { |
| 1902 | struct timeval tv; |
2188 | struct timeval tv; |
| 1903 | gettimeofday (&tv, 0); |
2189 | gettimeofday (&tv, 0); |
| 1904 | return tv.tv_sec + tv.tv_usec * 1e-6; |
2190 | return EV_TV_GET (tv); |
|
|
2191 | } |
| 1905 | } |
2192 | } |
| 1906 | #endif |
2193 | #endif |
| 1907 | |
2194 | |
| 1908 | inline_size ev_tstamp |
2195 | inline_size ev_tstamp |
| 1909 | get_clock (void) |
2196 | get_clock (void) |
| … | |
… | |
| 1911 | #if EV_USE_MONOTONIC |
2198 | #if EV_USE_MONOTONIC |
| 1912 | if (ecb_expect_true (have_monotonic)) |
2199 | if (ecb_expect_true (have_monotonic)) |
| 1913 | { |
2200 | { |
| 1914 | struct timespec ts; |
2201 | struct timespec ts; |
| 1915 | clock_gettime (CLOCK_MONOTONIC, &ts); |
2202 | clock_gettime (CLOCK_MONOTONIC, &ts); |
| 1916 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
2203 | return EV_TS_GET (ts); |
| 1917 | } |
2204 | } |
| 1918 | #endif |
2205 | #endif |
| 1919 | |
2206 | |
| 1920 | return ev_time (); |
2207 | return ev_time (); |
| 1921 | } |
2208 | } |
| … | |
… | |
| 1929 | #endif |
2216 | #endif |
| 1930 | |
2217 | |
| 1931 | void |
2218 | void |
| 1932 | ev_sleep (ev_tstamp delay) EV_NOEXCEPT |
2219 | ev_sleep (ev_tstamp delay) EV_NOEXCEPT |
| 1933 | { |
2220 | { |
| 1934 | if (delay > 0.) |
2221 | if (delay > EV_TS_CONST (0.)) |
| 1935 | { |
2222 | { |
| 1936 | #if EV_USE_NANOSLEEP |
2223 | #if EV_USE_NANOSLEEP |
| 1937 | struct timespec ts; |
2224 | struct timespec ts; |
| 1938 | |
2225 | |
| 1939 | EV_TS_SET (ts, delay); |
2226 | EV_TS_SET (ts, delay); |
| 1940 | nanosleep (&ts, 0); |
2227 | nanosleep (&ts, 0); |
| 1941 | #elif defined _WIN32 |
2228 | #elif defined _WIN32 |
| 1942 | /* maybe this should round up, as ms is very low resolution */ |
2229 | /* maybe this should round up, as ms is very low resolution */ |
| 1943 | /* compared to select (µs) or nanosleep (ns) */ |
2230 | /* compared to select (µs) or nanosleep (ns) */ |
| 1944 | Sleep ((unsigned long)(delay * 1e3)); |
2231 | Sleep ((unsigned long)(EV_TS_TO_MSEC (delay))); |
| 1945 | #else |
2232 | #else |
| 1946 | struct timeval tv; |
2233 | struct timeval tv; |
| 1947 | |
2234 | |
| 1948 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
2235 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
| 1949 | /* something not guaranteed by newer posix versions, but guaranteed */ |
2236 | /* something not guaranteed by newer posix versions, but guaranteed */ |
| … | |
… | |
| 2109 | inline_size void |
2396 | inline_size void |
| 2110 | fd_reify (EV_P) |
2397 | fd_reify (EV_P) |
| 2111 | { |
2398 | { |
| 2112 | int i; |
2399 | int i; |
| 2113 | |
2400 | |
|
|
2401 | /* most backends do not modify the fdchanges list in backend_modfiy. |
|
|
2402 | * except io_uring, which has fixed-size buffers which might force us |
|
|
2403 | * to handle events in backend_modify, causing fdchanges to be amended, |
|
|
2404 | * which could result in an endless loop. |
|
|
2405 | * to avoid this, we do not dynamically handle fds that were added |
|
|
2406 | * during fd_reify. that means that for those backends, fdchangecnt |
|
|
2407 | * might be non-zero during poll, which must cause them to not block. |
|
|
2408 | * to not put too much of a burden on other backends, this detail |
|
|
2409 | * needs to be handled in the backend. |
|
|
2410 | */ |
|
|
2411 | int changecnt = fdchangecnt; |
|
|
2412 | |
| 2114 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
2413 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
| 2115 | for (i = 0; i < fdchangecnt; ++i) |
2414 | for (i = 0; i < changecnt; ++i) |
| 2116 | { |
2415 | { |
| 2117 | int fd = fdchanges [i]; |
2416 | int fd = fdchanges [i]; |
| 2118 | ANFD *anfd = anfds + fd; |
2417 | ANFD *anfd = anfds + fd; |
| 2119 | |
2418 | |
| 2120 | if (anfd->reify & EV__IOFDSET && anfd->head) |
2419 | if (anfd->reify & EV__IOFDSET && anfd->head) |
| … | |
… | |
| 2134 | } |
2433 | } |
| 2135 | } |
2434 | } |
| 2136 | } |
2435 | } |
| 2137 | #endif |
2436 | #endif |
| 2138 | |
2437 | |
| 2139 | for (i = 0; i < fdchangecnt; ++i) |
2438 | for (i = 0; i < changecnt; ++i) |
| 2140 | { |
2439 | { |
| 2141 | int fd = fdchanges [i]; |
2440 | int fd = fdchanges [i]; |
| 2142 | ANFD *anfd = anfds + fd; |
2441 | ANFD *anfd = anfds + fd; |
| 2143 | ev_io *w; |
2442 | ev_io *w; |
| 2144 | |
2443 | |
| … | |
… | |
| 2160 | |
2459 | |
| 2161 | if (o_reify & EV__IOFDSET) |
2460 | if (o_reify & EV__IOFDSET) |
| 2162 | backend_modify (EV_A_ fd, o_events, anfd->events); |
2461 | backend_modify (EV_A_ fd, o_events, anfd->events); |
| 2163 | } |
2462 | } |
| 2164 | |
2463 | |
|
|
2464 | /* normally, fdchangecnt hasn't changed. if it has, then new fds have been added. |
|
|
2465 | * this is a rare case (see beginning comment in this function), so we copy them to the |
|
|
2466 | * front and hope the backend handles this case. |
|
|
2467 | */ |
|
|
2468 | if (ecb_expect_false (fdchangecnt != changecnt)) |
|
|
2469 | memmove (fdchanges, fdchanges + changecnt, (fdchangecnt - changecnt) * sizeof (*fdchanges)); |
|
|
2470 | |
| 2165 | fdchangecnt = 0; |
2471 | fdchangecnt -= changecnt; |
| 2166 | } |
2472 | } |
| 2167 | |
2473 | |
| 2168 | /* something about the given fd changed */ |
2474 | /* something about the given fd changed */ |
| 2169 | inline_size |
2475 | inline_size |
| 2170 | void |
2476 | void |
| 2171 | fd_change (EV_P_ int fd, int flags) |
2477 | fd_change (EV_P_ int fd, int flags) |
| 2172 | { |
2478 | { |
| 2173 | unsigned char reify = anfds [fd].reify; |
2479 | unsigned char reify = anfds [fd].reify; |
| 2174 | anfds [fd].reify |= flags; |
2480 | anfds [fd].reify = reify | flags; |
| 2175 | |
2481 | |
| 2176 | if (ecb_expect_true (!reify)) |
2482 | if (ecb_expect_true (!reify)) |
| 2177 | { |
2483 | { |
| 2178 | ++fdchangecnt; |
2484 | ++fdchangecnt; |
| 2179 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit); |
2485 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit); |
| … | |
… | |
| 2299 | |
2605 | |
| 2300 | /* find minimum child */ |
2606 | /* find minimum child */ |
| 2301 | if (ecb_expect_true (pos + DHEAP - 1 < E)) |
2607 | if (ecb_expect_true (pos + DHEAP - 1 < E)) |
| 2302 | { |
2608 | { |
| 2303 | /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
2609 | /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
| 2304 | if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
2610 | if ( minat > ANHE_at (pos [1])) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
| 2305 | if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
2611 | if ( minat > ANHE_at (pos [2])) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
| 2306 | if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
2612 | if ( minat > ANHE_at (pos [3])) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
| 2307 | } |
2613 | } |
| 2308 | else if (pos < E) |
2614 | else if (pos < E) |
| 2309 | { |
2615 | { |
| 2310 | /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
2616 | /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
| 2311 | if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
2617 | if (pos + 1 < E && minat > ANHE_at (pos [1])) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
| 2312 | if (pos + 2 < E && ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
2618 | if (pos + 2 < E && minat > ANHE_at (pos [2])) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
| 2313 | if (pos + 3 < E && ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
2619 | if (pos + 3 < E && minat > ANHE_at (pos [3])) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
| 2314 | } |
2620 | } |
| 2315 | else |
2621 | else |
| 2316 | break; |
2622 | break; |
| 2317 | |
2623 | |
| 2318 | if (ANHE_at (he) <= minat) |
2624 | if (ANHE_at (he) <= minat) |
| … | |
… | |
| 2326 | |
2632 | |
| 2327 | heap [k] = he; |
2633 | heap [k] = he; |
| 2328 | ev_active (ANHE_w (he)) = k; |
2634 | ev_active (ANHE_w (he)) = k; |
| 2329 | } |
2635 | } |
| 2330 | |
2636 | |
| 2331 | #else /* 4HEAP */ |
2637 | #else /* not 4HEAP */ |
| 2332 | |
2638 | |
| 2333 | #define HEAP0 1 |
2639 | #define HEAP0 1 |
| 2334 | #define HPARENT(k) ((k) >> 1) |
2640 | #define HPARENT(k) ((k) >> 1) |
| 2335 | #define UPHEAP_DONE(p,k) (!(p)) |
2641 | #define UPHEAP_DONE(p,k) (!(p)) |
| 2336 | |
2642 | |
| … | |
… | |
| 2408 | upheap (heap, i + HEAP0); |
2714 | upheap (heap, i + HEAP0); |
| 2409 | } |
2715 | } |
| 2410 | |
2716 | |
| 2411 | /*****************************************************************************/ |
2717 | /*****************************************************************************/ |
| 2412 | |
2718 | |
| 2413 | /* associate signal watchers to a signal signal */ |
2719 | /* associate signal watchers to a signal */ |
| 2414 | typedef struct |
2720 | typedef struct |
| 2415 | { |
2721 | { |
| 2416 | EV_ATOMIC_T pending; |
2722 | EV_ATOMIC_T pending; |
| 2417 | #if EV_MULTIPLICITY |
2723 | #if EV_MULTIPLICITY |
| 2418 | EV_P; |
2724 | EV_P; |
| … | |
… | |
| 2722 | |
3028 | |
| 2723 | #endif |
3029 | #endif |
| 2724 | |
3030 | |
| 2725 | /*****************************************************************************/ |
3031 | /*****************************************************************************/ |
| 2726 | |
3032 | |
|
|
3033 | #if EV_USE_TIMERFD |
|
|
3034 | |
|
|
3035 | static void periodics_reschedule (EV_P); |
|
|
3036 | |
|
|
3037 | static void |
|
|
3038 | timerfdcb (EV_P_ ev_io *iow, int revents) |
|
|
3039 | { |
|
|
3040 | struct itimerspec its = { 0 }; |
|
|
3041 | |
|
|
3042 | its.it_value.tv_sec = ev_rt_now + (int)MAX_BLOCKTIME2; |
|
|
3043 | timerfd_settime (timerfd, TFD_TIMER_ABSTIME | TFD_TIMER_CANCEL_ON_SET, &its, 0); |
|
|
3044 | |
|
|
3045 | ev_rt_now = ev_time (); |
|
|
3046 | /* periodics_reschedule only needs ev_rt_now */ |
|
|
3047 | /* but maybe in the future we want the full treatment. */ |
|
|
3048 | /* |
|
|
3049 | now_floor = EV_TS_CONST (0.); |
|
|
3050 | time_update (EV_A_ EV_TSTAMP_HUGE); |
|
|
3051 | */ |
|
|
3052 | #if EV_PERIODIC_ENABLE |
|
|
3053 | periodics_reschedule (EV_A); |
|
|
3054 | #endif |
|
|
3055 | } |
|
|
3056 | |
|
|
3057 | ecb_noinline ecb_cold |
|
|
3058 | static void |
|
|
3059 | evtimerfd_init (EV_P) |
|
|
3060 | { |
|
|
3061 | if (!ev_is_active (&timerfd_w)) |
|
|
3062 | { |
|
|
3063 | timerfd = timerfd_create (CLOCK_REALTIME, TFD_NONBLOCK | TFD_CLOEXEC); |
|
|
3064 | |
|
|
3065 | if (timerfd >= 0) |
|
|
3066 | { |
|
|
3067 | fd_intern (timerfd); /* just to be sure */ |
|
|
3068 | |
|
|
3069 | ev_io_init (&timerfd_w, timerfdcb, timerfd, EV_READ); |
|
|
3070 | ev_set_priority (&timerfd_w, EV_MINPRI); |
|
|
3071 | ev_io_start (EV_A_ &timerfd_w); |
|
|
3072 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
|
|
3073 | |
|
|
3074 | /* (re-) arm timer */ |
|
|
3075 | timerfdcb (EV_A_ 0, 0); |
|
|
3076 | } |
|
|
3077 | } |
|
|
3078 | } |
|
|
3079 | |
|
|
3080 | #endif |
|
|
3081 | |
|
|
3082 | /*****************************************************************************/ |
|
|
3083 | |
| 2727 | #if EV_USE_IOCP |
3084 | #if EV_USE_IOCP |
| 2728 | # include "ev_iocp.c" |
3085 | # include "ev_iocp.c" |
| 2729 | #endif |
3086 | #endif |
| 2730 | #if EV_USE_PORT |
3087 | #if EV_USE_PORT |
| 2731 | # include "ev_port.c" |
3088 | # include "ev_port.c" |
| … | |
… | |
| 2736 | #if EV_USE_EPOLL |
3093 | #if EV_USE_EPOLL |
| 2737 | # include "ev_epoll.c" |
3094 | # include "ev_epoll.c" |
| 2738 | #endif |
3095 | #endif |
| 2739 | #if EV_USE_LINUXAIO |
3096 | #if EV_USE_LINUXAIO |
| 2740 | # include "ev_linuxaio.c" |
3097 | # include "ev_linuxaio.c" |
|
|
3098 | #endif |
|
|
3099 | #if EV_USE_IOURING |
|
|
3100 | # include "ev_iouring.c" |
| 2741 | #endif |
3101 | #endif |
| 2742 | #if EV_USE_POLL |
3102 | #if EV_USE_POLL |
| 2743 | # include "ev_poll.c" |
3103 | # include "ev_poll.c" |
| 2744 | #endif |
3104 | #endif |
| 2745 | #if EV_USE_SELECT |
3105 | #if EV_USE_SELECT |
| … | |
… | |
| 2774 | unsigned int |
3134 | unsigned int |
| 2775 | ev_supported_backends (void) EV_NOEXCEPT |
3135 | ev_supported_backends (void) EV_NOEXCEPT |
| 2776 | { |
3136 | { |
| 2777 | unsigned int flags = 0; |
3137 | unsigned int flags = 0; |
| 2778 | |
3138 | |
| 2779 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
3139 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
| 2780 | if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE; |
3140 | if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE; |
| 2781 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
3141 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
| 2782 | if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO; |
3142 | if (EV_USE_LINUXAIO ) flags |= EVBACKEND_LINUXAIO; |
| 2783 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
3143 | if (EV_USE_IOURING && ev_linux_version () >= 0x050601) flags |= EVBACKEND_IOURING; /* 5.6.1+ */ |
| 2784 | if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT; |
3144 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
| 2785 | |
3145 | if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT; |
|
|
3146 | |
| 2786 | return flags; |
3147 | return flags; |
| 2787 | } |
3148 | } |
| 2788 | |
3149 | |
| 2789 | ecb_cold |
3150 | ecb_cold |
| 2790 | unsigned int |
3151 | unsigned int |
| … | |
… | |
| 2808 | |
3169 | |
| 2809 | /* TODO: linuxaio is very experimental */ |
3170 | /* TODO: linuxaio is very experimental */ |
| 2810 | #if !EV_RECOMMEND_LINUXAIO |
3171 | #if !EV_RECOMMEND_LINUXAIO |
| 2811 | flags &= ~EVBACKEND_LINUXAIO; |
3172 | flags &= ~EVBACKEND_LINUXAIO; |
| 2812 | #endif |
3173 | #endif |
|
|
3174 | /* TODO: iouring is super experimental */ |
|
|
3175 | #if !EV_RECOMMEND_IOURING |
|
|
3176 | flags &= ~EVBACKEND_IOURING; |
|
|
3177 | #endif |
| 2813 | |
3178 | |
| 2814 | return flags; |
3179 | return flags; |
| 2815 | } |
3180 | } |
| 2816 | |
3181 | |
| 2817 | ecb_cold |
3182 | ecb_cold |
| 2818 | unsigned int |
3183 | unsigned int |
| 2819 | ev_embeddable_backends (void) EV_NOEXCEPT |
3184 | ev_embeddable_backends (void) EV_NOEXCEPT |
| 2820 | { |
3185 | { |
| 2821 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
3186 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT | EVBACKEND_IOURING; |
| 2822 | |
3187 | |
| 2823 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
3188 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
| 2824 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
3189 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
| 2825 | flags &= ~EVBACKEND_EPOLL; |
3190 | flags &= ~EVBACKEND_EPOLL; |
|
|
3191 | |
|
|
3192 | /* EVBACKEND_LINUXAIO is theoretically embeddable, but suffers from a performance overhead */ |
| 2826 | |
3193 | |
| 2827 | return flags; |
3194 | return flags; |
| 2828 | } |
3195 | } |
| 2829 | |
3196 | |
| 2830 | unsigned int |
3197 | unsigned int |
| … | |
… | |
| 2948 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
3315 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
| 2949 | #endif |
3316 | #endif |
| 2950 | #if EV_USE_SIGNALFD |
3317 | #if EV_USE_SIGNALFD |
| 2951 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
3318 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
| 2952 | #endif |
3319 | #endif |
|
|
3320 | #if EV_USE_TIMERFD |
|
|
3321 | timerfd = flags & EVFLAG_NOTIMERFD ? -1 : -2; |
|
|
3322 | #endif |
| 2953 | |
3323 | |
| 2954 | if (!(flags & EVBACKEND_MASK)) |
3324 | if (!(flags & EVBACKEND_MASK)) |
| 2955 | flags |= ev_recommended_backends (); |
3325 | flags |= ev_recommended_backends (); |
| 2956 | |
3326 | |
| 2957 | #if EV_USE_IOCP |
3327 | #if EV_USE_IOCP |
| … | |
… | |
| 2960 | #if EV_USE_PORT |
3330 | #if EV_USE_PORT |
| 2961 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
3331 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
| 2962 | #endif |
3332 | #endif |
| 2963 | #if EV_USE_KQUEUE |
3333 | #if EV_USE_KQUEUE |
| 2964 | if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags); |
3334 | if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags); |
|
|
3335 | #endif |
|
|
3336 | #if EV_USE_IOURING |
|
|
3337 | if (!backend && (flags & EVBACKEND_IOURING )) backend = iouring_init (EV_A_ flags); |
| 2965 | #endif |
3338 | #endif |
| 2966 | #if EV_USE_LINUXAIO |
3339 | #if EV_USE_LINUXAIO |
| 2967 | if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags); |
3340 | if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags); |
| 2968 | #endif |
3341 | #endif |
| 2969 | #if EV_USE_EPOLL |
3342 | #if EV_USE_EPOLL |
| … | |
… | |
| 3027 | #if EV_USE_SIGNALFD |
3400 | #if EV_USE_SIGNALFD |
| 3028 | if (ev_is_active (&sigfd_w)) |
3401 | if (ev_is_active (&sigfd_w)) |
| 3029 | close (sigfd); |
3402 | close (sigfd); |
| 3030 | #endif |
3403 | #endif |
| 3031 | |
3404 | |
|
|
3405 | #if EV_USE_TIMERFD |
|
|
3406 | if (ev_is_active (&timerfd_w)) |
|
|
3407 | close (timerfd); |
|
|
3408 | #endif |
|
|
3409 | |
| 3032 | #if EV_USE_INOTIFY |
3410 | #if EV_USE_INOTIFY |
| 3033 | if (fs_fd >= 0) |
3411 | if (fs_fd >= 0) |
| 3034 | close (fs_fd); |
3412 | close (fs_fd); |
| 3035 | #endif |
3413 | #endif |
| 3036 | |
3414 | |
| … | |
… | |
| 3043 | #if EV_USE_PORT |
3421 | #if EV_USE_PORT |
| 3044 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
3422 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
| 3045 | #endif |
3423 | #endif |
| 3046 | #if EV_USE_KQUEUE |
3424 | #if EV_USE_KQUEUE |
| 3047 | if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A); |
3425 | if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A); |
|
|
3426 | #endif |
|
|
3427 | #if EV_USE_IOURING |
|
|
3428 | if (backend == EVBACKEND_IOURING ) iouring_destroy (EV_A); |
| 3048 | #endif |
3429 | #endif |
| 3049 | #if EV_USE_LINUXAIO |
3430 | #if EV_USE_LINUXAIO |
| 3050 | if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A); |
3431 | if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A); |
| 3051 | #endif |
3432 | #endif |
| 3052 | #if EV_USE_EPOLL |
3433 | #if EV_USE_EPOLL |
| … | |
… | |
| 3111 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
3492 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
| 3112 | #endif |
3493 | #endif |
| 3113 | #if EV_USE_KQUEUE |
3494 | #if EV_USE_KQUEUE |
| 3114 | if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A); |
3495 | if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A); |
| 3115 | #endif |
3496 | #endif |
|
|
3497 | #if EV_USE_IOURING |
|
|
3498 | if (backend == EVBACKEND_IOURING ) iouring_fork (EV_A); |
|
|
3499 | #endif |
| 3116 | #if EV_USE_LINUXAIO |
3500 | #if EV_USE_LINUXAIO |
| 3117 | if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A); |
3501 | if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A); |
| 3118 | #endif |
3502 | #endif |
| 3119 | #if EV_USE_EPOLL |
3503 | #if EV_USE_EPOLL |
| 3120 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
3504 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
| 3121 | #endif |
3505 | #endif |
| 3122 | #if EV_USE_INOTIFY |
3506 | #if EV_USE_INOTIFY |
| 3123 | infy_fork (EV_A); |
3507 | infy_fork (EV_A); |
| 3124 | #endif |
3508 | #endif |
| 3125 | |
3509 | |
|
|
3510 | if (postfork != 2) |
|
|
3511 | { |
|
|
3512 | #if EV_USE_SIGNALFD |
|
|
3513 | /* surprisingly, nothing needs to be done for signalfd, accoridng to docs, it does the right thing on fork */ |
|
|
3514 | #endif |
|
|
3515 | |
|
|
3516 | #if EV_USE_TIMERFD |
|
|
3517 | if (ev_is_active (&timerfd_w)) |
|
|
3518 | { |
|
|
3519 | ev_ref (EV_A); |
|
|
3520 | ev_io_stop (EV_A_ &timerfd_w); |
|
|
3521 | |
|
|
3522 | close (timerfd); |
|
|
3523 | timerfd = -2; |
|
|
3524 | |
|
|
3525 | evtimerfd_init (EV_A); |
|
|
3526 | /* reschedule periodics, in case we missed something */ |
|
|
3527 | ev_feed_event (EV_A_ &timerfd_w, EV_CUSTOM); |
|
|
3528 | } |
|
|
3529 | #endif |
|
|
3530 | |
| 3126 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
3531 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
| 3127 | if (ev_is_active (&pipe_w) && postfork != 2) |
3532 | if (ev_is_active (&pipe_w)) |
| 3128 | { |
3533 | { |
| 3129 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
3534 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
| 3130 | |
3535 | |
| 3131 | ev_ref (EV_A); |
3536 | ev_ref (EV_A); |
| 3132 | ev_io_stop (EV_A_ &pipe_w); |
3537 | ev_io_stop (EV_A_ &pipe_w); |
| 3133 | |
3538 | |
| 3134 | if (evpipe [0] >= 0) |
3539 | if (evpipe [0] >= 0) |
| 3135 | EV_WIN32_CLOSE_FD (evpipe [0]); |
3540 | EV_WIN32_CLOSE_FD (evpipe [0]); |
| 3136 | |
3541 | |
| 3137 | evpipe_init (EV_A); |
3542 | evpipe_init (EV_A); |
| 3138 | /* iterate over everything, in case we missed something before */ |
3543 | /* iterate over everything, in case we missed something before */ |
| 3139 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
3544 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
|
|
3545 | } |
|
|
3546 | #endif |
| 3140 | } |
3547 | } |
| 3141 | #endif |
|
|
| 3142 | |
3548 | |
| 3143 | postfork = 0; |
3549 | postfork = 0; |
| 3144 | } |
3550 | } |
| 3145 | |
3551 | |
| 3146 | #if EV_MULTIPLICITY |
3552 | #if EV_MULTIPLICITY |
| … | |
… | |
| 3416 | { |
3822 | { |
| 3417 | ev_at (w) += w->repeat; |
3823 | ev_at (w) += w->repeat; |
| 3418 | if (ev_at (w) < mn_now) |
3824 | if (ev_at (w) < mn_now) |
| 3419 | ev_at (w) = mn_now; |
3825 | ev_at (w) = mn_now; |
| 3420 | |
3826 | |
| 3421 | assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
3827 | assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > EV_TS_CONST (0.))); |
| 3422 | |
3828 | |
| 3423 | ANHE_at_cache (timers [HEAP0]); |
3829 | ANHE_at_cache (timers [HEAP0]); |
| 3424 | downheap (timers, timercnt, HEAP0); |
3830 | downheap (timers, timercnt, HEAP0); |
| 3425 | } |
3831 | } |
| 3426 | else |
3832 | else |
| … | |
… | |
| 3557 | |
3963 | |
| 3558 | mn_now = get_clock (); |
3964 | mn_now = get_clock (); |
| 3559 | |
3965 | |
| 3560 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
3966 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
| 3561 | /* interpolate in the meantime */ |
3967 | /* interpolate in the meantime */ |
| 3562 | if (ecb_expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
3968 | if (ecb_expect_true (mn_now - now_floor < EV_TS_CONST (MIN_TIMEJUMP * .5))) |
| 3563 | { |
3969 | { |
| 3564 | ev_rt_now = rtmn_diff + mn_now; |
3970 | ev_rt_now = rtmn_diff + mn_now; |
| 3565 | return; |
3971 | return; |
| 3566 | } |
3972 | } |
| 3567 | |
3973 | |
| … | |
… | |
| 3581 | ev_tstamp diff; |
3987 | ev_tstamp diff; |
| 3582 | rtmn_diff = ev_rt_now - mn_now; |
3988 | rtmn_diff = ev_rt_now - mn_now; |
| 3583 | |
3989 | |
| 3584 | diff = odiff - rtmn_diff; |
3990 | diff = odiff - rtmn_diff; |
| 3585 | |
3991 | |
| 3586 | if (ecb_expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP)) |
3992 | if (ecb_expect_true ((diff < EV_TS_CONST (0.) ? -diff : diff) < EV_TS_CONST (MIN_TIMEJUMP))) |
| 3587 | return; /* all is well */ |
3993 | return; /* all is well */ |
| 3588 | |
3994 | |
| 3589 | ev_rt_now = ev_time (); |
3995 | ev_rt_now = ev_time (); |
| 3590 | mn_now = get_clock (); |
3996 | mn_now = get_clock (); |
| 3591 | now_floor = mn_now; |
3997 | now_floor = mn_now; |
| … | |
… | |
| 3600 | else |
4006 | else |
| 3601 | #endif |
4007 | #endif |
| 3602 | { |
4008 | { |
| 3603 | ev_rt_now = ev_time (); |
4009 | ev_rt_now = ev_time (); |
| 3604 | |
4010 | |
| 3605 | if (ecb_expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
4011 | if (ecb_expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + EV_TS_CONST (MIN_TIMEJUMP))) |
| 3606 | { |
4012 | { |
| 3607 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
4013 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
| 3608 | timers_reschedule (EV_A_ ev_rt_now - mn_now); |
4014 | timers_reschedule (EV_A_ ev_rt_now - mn_now); |
| 3609 | #if EV_PERIODIC_ENABLE |
4015 | #if EV_PERIODIC_ENABLE |
| 3610 | periodics_reschedule (EV_A); |
4016 | periodics_reschedule (EV_A); |
| … | |
… | |
| 3679 | |
4085 | |
| 3680 | /* remember old timestamp for io_blocktime calculation */ |
4086 | /* remember old timestamp for io_blocktime calculation */ |
| 3681 | ev_tstamp prev_mn_now = mn_now; |
4087 | ev_tstamp prev_mn_now = mn_now; |
| 3682 | |
4088 | |
| 3683 | /* update time to cancel out callback processing overhead */ |
4089 | /* update time to cancel out callback processing overhead */ |
| 3684 | time_update (EV_A_ 1e100); |
4090 | time_update (EV_A_ EV_TS_CONST (EV_TSTAMP_HUGE)); |
| 3685 | |
4091 | |
| 3686 | /* from now on, we want a pipe-wake-up */ |
4092 | /* from now on, we want a pipe-wake-up */ |
| 3687 | pipe_write_wanted = 1; |
4093 | pipe_write_wanted = 1; |
| 3688 | |
4094 | |
| 3689 | ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */ |
4095 | ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */ |
| 3690 | |
4096 | |
| 3691 | if (ecb_expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) |
4097 | if (ecb_expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) |
| 3692 | { |
4098 | { |
| 3693 | waittime = MAX_BLOCKTIME; |
4099 | waittime = EV_TS_CONST (MAX_BLOCKTIME); |
|
|
4100 | |
|
|
4101 | #if EV_USE_MONOTONIC |
|
|
4102 | if (ecb_expect_true (have_monotonic)) |
|
|
4103 | { |
|
|
4104 | #if EV_USE_TIMERFD |
|
|
4105 | /* sleep a lot longer when we can reliably detect timejumps */ |
|
|
4106 | if (ecb_expect_true (timerfd != -1)) |
|
|
4107 | waittime = EV_TS_CONST (MAX_BLOCKTIME2); |
|
|
4108 | #endif |
|
|
4109 | #if !EV_PERIODIC_ENABLE |
|
|
4110 | /* without periodics but with monotonic clock there is no need */ |
|
|
4111 | /* for any time jump detection, so sleep longer */ |
|
|
4112 | waittime = EV_TS_CONST (MAX_BLOCKTIME2); |
|
|
4113 | #endif |
|
|
4114 | } |
|
|
4115 | #endif |
| 3694 | |
4116 | |
| 3695 | if (timercnt) |
4117 | if (timercnt) |
| 3696 | { |
4118 | { |
| 3697 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now; |
4119 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now; |
| 3698 | if (waittime > to) waittime = to; |
4120 | if (waittime > to) waittime = to; |
| … | |
… | |
| 3708 | |
4130 | |
| 3709 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
4131 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
| 3710 | if (ecb_expect_false (waittime < timeout_blocktime)) |
4132 | if (ecb_expect_false (waittime < timeout_blocktime)) |
| 3711 | waittime = timeout_blocktime; |
4133 | waittime = timeout_blocktime; |
| 3712 | |
4134 | |
| 3713 | /* at this point, we NEED to wait, so we have to ensure */ |
4135 | /* now there are two more special cases left, either we have |
| 3714 | /* to pass a minimum nonzero value to the backend */ |
4136 | * already-expired timers, so we should not sleep, or we have timers |
|
|
4137 | * that expire very soon, in which case we need to wait for a minimum |
|
|
4138 | * amount of time for some event loop backends. |
|
|
4139 | */ |
| 3715 | if (ecb_expect_false (waittime < backend_mintime)) |
4140 | if (ecb_expect_false (waittime < backend_mintime)) |
|
|
4141 | waittime = waittime <= EV_TS_CONST (0.) |
|
|
4142 | ? EV_TS_CONST (0.) |
| 3716 | waittime = backend_mintime; |
4143 | : backend_mintime; |
| 3717 | |
4144 | |
| 3718 | /* extra check because io_blocktime is commonly 0 */ |
4145 | /* extra check because io_blocktime is commonly 0 */ |
| 3719 | if (ecb_expect_false (io_blocktime)) |
4146 | if (ecb_expect_false (io_blocktime)) |
| 3720 | { |
4147 | { |
| 3721 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
4148 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
| 3722 | |
4149 | |
| 3723 | if (sleeptime > waittime - backend_mintime) |
4150 | if (sleeptime > waittime - backend_mintime) |
| 3724 | sleeptime = waittime - backend_mintime; |
4151 | sleeptime = waittime - backend_mintime; |
| 3725 | |
4152 | |
| 3726 | if (ecb_expect_true (sleeptime > 0.)) |
4153 | if (ecb_expect_true (sleeptime > EV_TS_CONST (0.))) |
| 3727 | { |
4154 | { |
| 3728 | ev_sleep (sleeptime); |
4155 | ev_sleep (sleeptime); |
| 3729 | waittime -= sleeptime; |
4156 | waittime -= sleeptime; |
| 3730 | } |
4157 | } |
| 3731 | } |
4158 | } |
| … | |
… | |
| 3805 | } |
4232 | } |
| 3806 | |
4233 | |
| 3807 | void |
4234 | void |
| 3808 | ev_now_update (EV_P) EV_NOEXCEPT |
4235 | ev_now_update (EV_P) EV_NOEXCEPT |
| 3809 | { |
4236 | { |
| 3810 | time_update (EV_A_ 1e100); |
4237 | time_update (EV_A_ EV_TSTAMP_HUGE); |
| 3811 | } |
4238 | } |
| 3812 | |
4239 | |
| 3813 | void |
4240 | void |
| 3814 | ev_suspend (EV_P) EV_NOEXCEPT |
4241 | ev_suspend (EV_P) EV_NOEXCEPT |
| 3815 | { |
4242 | { |
| … | |
… | |
| 4046 | } |
4473 | } |
| 4047 | |
4474 | |
| 4048 | ev_tstamp |
4475 | ev_tstamp |
| 4049 | ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT |
4476 | ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT |
| 4050 | { |
4477 | { |
| 4051 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
4478 | return ev_at (w) - (ev_is_active (w) ? mn_now : EV_TS_CONST (0.)); |
| 4052 | } |
4479 | } |
| 4053 | |
4480 | |
| 4054 | #if EV_PERIODIC_ENABLE |
4481 | #if EV_PERIODIC_ENABLE |
| 4055 | ecb_noinline |
4482 | ecb_noinline |
| 4056 | void |
4483 | void |
| 4057 | ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4484 | ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT |
| 4058 | { |
4485 | { |
| 4059 | if (ecb_expect_false (ev_is_active (w))) |
4486 | if (ecb_expect_false (ev_is_active (w))) |
| 4060 | return; |
4487 | return; |
|
|
4488 | |
|
|
4489 | #if EV_USE_TIMERFD |
|
|
4490 | if (timerfd == -2) |
|
|
4491 | evtimerfd_init (EV_A); |
|
|
4492 | #endif |
| 4061 | |
4493 | |
| 4062 | if (w->reschedule_cb) |
4494 | if (w->reschedule_cb) |
| 4063 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
4495 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
| 4064 | else if (w->interval) |
4496 | else if (w->interval) |
| 4065 | { |
4497 | { |
| … | |
… | |
| 4807 | ev_run (EV_A_ EVRUN_NOWAIT); |
5239 | ev_run (EV_A_ EVRUN_NOWAIT); |
| 4808 | } |
5240 | } |
| 4809 | } |
5241 | } |
| 4810 | } |
5242 | } |
| 4811 | |
5243 | |
|
|
5244 | #if EV_FORK_ENABLE |
| 4812 | static void |
5245 | static void |
| 4813 | embed_fork_cb (EV_P_ ev_fork *fork_w, int revents) |
5246 | embed_fork_cb (EV_P_ ev_fork *fork_w, int revents) |
| 4814 | { |
5247 | { |
| 4815 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
5248 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
| 4816 | |
5249 | |
| … | |
… | |
| 4823 | ev_run (EV_A_ EVRUN_NOWAIT); |
5256 | ev_run (EV_A_ EVRUN_NOWAIT); |
| 4824 | } |
5257 | } |
| 4825 | |
5258 | |
| 4826 | ev_embed_start (EV_A_ w); |
5259 | ev_embed_start (EV_A_ w); |
| 4827 | } |
5260 | } |
|
|
5261 | #endif |
| 4828 | |
5262 | |
| 4829 | #if 0 |
5263 | #if 0 |
| 4830 | static void |
5264 | static void |
| 4831 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
5265 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
| 4832 | { |
5266 | { |
| … | |
… | |
| 4853 | |
5287 | |
| 4854 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
5288 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
| 4855 | ev_set_priority (&w->prepare, EV_MINPRI); |
5289 | ev_set_priority (&w->prepare, EV_MINPRI); |
| 4856 | ev_prepare_start (EV_A_ &w->prepare); |
5290 | ev_prepare_start (EV_A_ &w->prepare); |
| 4857 | |
5291 | |
|
|
5292 | #if EV_FORK_ENABLE |
| 4858 | ev_fork_init (&w->fork, embed_fork_cb); |
5293 | ev_fork_init (&w->fork, embed_fork_cb); |
| 4859 | ev_fork_start (EV_A_ &w->fork); |
5294 | ev_fork_start (EV_A_ &w->fork); |
|
|
5295 | #endif |
| 4860 | |
5296 | |
| 4861 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
5297 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
| 4862 | |
5298 | |
| 4863 | ev_start (EV_A_ (W)w, 1); |
5299 | ev_start (EV_A_ (W)w, 1); |
| 4864 | |
5300 | |
| … | |
… | |
| 4874 | |
5310 | |
| 4875 | EV_FREQUENT_CHECK; |
5311 | EV_FREQUENT_CHECK; |
| 4876 | |
5312 | |
| 4877 | ev_io_stop (EV_A_ &w->io); |
5313 | ev_io_stop (EV_A_ &w->io); |
| 4878 | ev_prepare_stop (EV_A_ &w->prepare); |
5314 | ev_prepare_stop (EV_A_ &w->prepare); |
|
|
5315 | #if EV_FORK_ENABLE |
| 4879 | ev_fork_stop (EV_A_ &w->fork); |
5316 | ev_fork_stop (EV_A_ &w->fork); |
|
|
5317 | #endif |
| 4880 | |
5318 | |
| 4881 | ev_stop (EV_A_ (W)w); |
5319 | ev_stop (EV_A_ (W)w); |
| 4882 | |
5320 | |
| 4883 | EV_FREQUENT_CHECK; |
5321 | EV_FREQUENT_CHECK; |
| 4884 | } |
5322 | } |
