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 0x00010005 |
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 |
… | |
… | |
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) |
600 | |
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 |
|
|
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 |
605 | #else |
713 | #else |
… | |
… | |
683 | #include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */ |
791 | #include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */ |
684 | #endif |
792 | #endif |
685 | |
793 | |
686 | #ifndef ECB_MEMORY_FENCE |
794 | #ifndef ECB_MEMORY_FENCE |
687 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
795 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
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796 | #define ECB_MEMORY_FENCE_RELAXED __asm__ __volatile__ ("" : : : "memory") |
688 | #if __i386 || __i386__ |
797 | #if __i386 || __i386__ |
689 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
798 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
690 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
799 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
691 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory") |
800 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory") |
692 | #elif ECB_GCC_AMD64 |
801 | #elif ECB_GCC_AMD64 |
… | |
… | |
742 | #if ECB_GCC_VERSION(4,7) |
851 | #if ECB_GCC_VERSION(4,7) |
743 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
852 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
744 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
853 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
745 | #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE) |
854 | #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE) |
746 | #define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE) |
855 | #define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE) |
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856 | #define ECB_MEMORY_FENCE_RELAXED __atomic_thread_fence (__ATOMIC_RELAXED) |
747 | |
857 | |
748 | #elif ECB_CLANG_EXTENSION(c_atomic) |
858 | #elif ECB_CLANG_EXTENSION(c_atomic) |
749 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
859 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
750 | #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
860 | #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
751 | #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE) |
861 | #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE) |
752 | #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE) |
862 | #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE) |
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863 | #define ECB_MEMORY_FENCE_RELAXED __c11_atomic_thread_fence (__ATOMIC_RELAXED) |
753 | |
864 | |
754 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
865 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
755 | #define ECB_MEMORY_FENCE __sync_synchronize () |
866 | #define ECB_MEMORY_FENCE __sync_synchronize () |
756 | #elif _MSC_VER >= 1500 /* VC++ 2008 */ |
867 | #elif _MSC_VER >= 1500 /* VC++ 2008 */ |
757 | /* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */ |
868 | /* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */ |
… | |
… | |
767 | #elif defined _WIN32 |
878 | #elif defined _WIN32 |
768 | #include <WinNT.h> |
879 | #include <WinNT.h> |
769 | #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ |
880 | #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ |
770 | #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
881 | #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
771 | #include <mbarrier.h> |
882 | #include <mbarrier.h> |
772 | #define ECB_MEMORY_FENCE __machine_rw_barrier () |
883 | #define ECB_MEMORY_FENCE __machine_rw_barrier () |
773 | #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier () |
884 | #define ECB_MEMORY_FENCE_ACQUIRE __machine_acq_barrier () |
774 | #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier () |
885 | #define ECB_MEMORY_FENCE_RELEASE __machine_rel_barrier () |
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886 | #define ECB_MEMORY_FENCE_RELAXED __compiler_barrier () |
775 | #elif __xlC__ |
887 | #elif __xlC__ |
776 | #define ECB_MEMORY_FENCE __sync () |
888 | #define ECB_MEMORY_FENCE __sync () |
777 | #endif |
889 | #endif |
778 | #endif |
890 | #endif |
779 | |
891 | |
780 | #ifndef ECB_MEMORY_FENCE |
892 | #ifndef ECB_MEMORY_FENCE |
781 | #if ECB_C11 && !defined __STDC_NO_ATOMICS__ |
893 | #if ECB_C11 && !defined __STDC_NO_ATOMICS__ |
782 | /* we assume that these memory fences work on all variables/all memory accesses, */ |
894 | /* we assume that these memory fences work on all variables/all memory accesses, */ |
783 | /* not just C11 atomics and atomic accesses */ |
895 | /* not just C11 atomics and atomic accesses */ |
784 | #include <stdatomic.h> |
896 | #include <stdatomic.h> |
785 | /* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */ |
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786 | /* any fence other than seq_cst, which isn't very efficient for us. */ |
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787 | /* Why that is, we don't know - either the C11 memory model is quite useless */ |
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788 | /* for most usages, or gcc and clang have a bug */ |
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789 | /* I *currently* lean towards the latter, and inefficiently implement */ |
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790 | /* all three of ecb's fences as a seq_cst fence */ |
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791 | /* Update, gcc-4.8 generates mfence for all c++ fences, but nothing */ |
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792 | /* for all __atomic_thread_fence's except seq_cst */ |
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793 | #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst) |
897 | #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst) |
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898 | #define ECB_MEMORY_FENCE_ACQUIRE atomic_thread_fence (memory_order_acquire) |
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899 | #define ECB_MEMORY_FENCE_RELEASE atomic_thread_fence (memory_order_release) |
794 | #endif |
900 | #endif |
795 | #endif |
901 | #endif |
796 | |
902 | |
797 | #ifndef ECB_MEMORY_FENCE |
903 | #ifndef ECB_MEMORY_FENCE |
798 | #if !ECB_AVOID_PTHREADS |
904 | #if !ECB_AVOID_PTHREADS |
… | |
… | |
816 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
922 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
817 | #endif |
923 | #endif |
818 | |
924 | |
819 | #if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE |
925 | #if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE |
820 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
926 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
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927 | #endif |
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928 | |
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929 | #if !defined ECB_MEMORY_FENCE_RELAXED && defined ECB_MEMORY_FENCE |
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930 | #define ECB_MEMORY_FENCE_RELAXED ECB_MEMORY_FENCE /* very heavy-handed */ |
821 | #endif |
931 | #endif |
822 | |
932 | |
823 | /*****************************************************************************/ |
933 | /*****************************************************************************/ |
824 | |
934 | |
825 | #if ECB_CPP |
935 | #if ECB_CPP |
… | |
… | |
1109 | 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); } |
1110 | 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); } |
1111 | 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); } |
1112 | 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); } |
1113 | |
1223 | |
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|
1224 | #if ECB_CPP |
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1225 | |
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|
1226 | inline uint8_t ecb_ctz (uint8_t v) { return ecb_ctz32 (v); } |
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1227 | inline uint16_t ecb_ctz (uint16_t v) { return ecb_ctz32 (v); } |
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1228 | inline uint32_t ecb_ctz (uint32_t v) { return ecb_ctz32 (v); } |
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1229 | inline uint64_t ecb_ctz (uint64_t v) { return ecb_ctz64 (v); } |
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1230 | |
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1231 | inline bool ecb_is_pot (uint8_t v) { return ecb_is_pot32 (v); } |
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1232 | inline bool ecb_is_pot (uint16_t v) { return ecb_is_pot32 (v); } |
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1233 | inline bool ecb_is_pot (uint32_t v) { return ecb_is_pot32 (v); } |
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1234 | inline bool ecb_is_pot (uint64_t v) { return ecb_is_pot64 (v); } |
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1235 | |
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1236 | inline int ecb_ld (uint8_t v) { return ecb_ld32 (v); } |
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1237 | inline int ecb_ld (uint16_t v) { return ecb_ld32 (v); } |
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1238 | inline int ecb_ld (uint32_t v) { return ecb_ld32 (v); } |
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1239 | inline int ecb_ld (uint64_t v) { return ecb_ld64 (v); } |
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1240 | |
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1241 | inline int ecb_popcount (uint8_t v) { return ecb_popcount32 (v); } |
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1242 | inline int ecb_popcount (uint16_t v) { return ecb_popcount32 (v); } |
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1243 | inline int ecb_popcount (uint32_t v) { return ecb_popcount32 (v); } |
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1244 | inline int ecb_popcount (uint64_t v) { return ecb_popcount64 (v); } |
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1245 | |
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1246 | inline uint8_t ecb_bitrev (uint8_t v) { return ecb_bitrev8 (v); } |
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1247 | inline uint16_t ecb_bitrev (uint16_t v) { return ecb_bitrev16 (v); } |
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1248 | inline uint32_t ecb_bitrev (uint32_t v) { return ecb_bitrev32 (v); } |
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1249 | |
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1250 | inline uint8_t ecb_rotl (uint8_t v, unsigned int count) { return ecb_rotl8 (v, count); } |
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1251 | inline uint16_t ecb_rotl (uint16_t v, unsigned int count) { return ecb_rotl16 (v, count); } |
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1252 | inline uint32_t ecb_rotl (uint32_t v, unsigned int count) { return ecb_rotl32 (v, count); } |
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1253 | inline uint64_t ecb_rotl (uint64_t v, unsigned int count) { return ecb_rotl64 (v, count); } |
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1254 | |
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1255 | inline uint8_t ecb_rotr (uint8_t v, unsigned int count) { return ecb_rotr8 (v, count); } |
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1256 | inline uint16_t ecb_rotr (uint16_t v, unsigned int count) { return ecb_rotr16 (v, count); } |
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1257 | inline uint32_t ecb_rotr (uint32_t v, unsigned int count) { return ecb_rotr32 (v, count); } |
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1258 | inline uint64_t ecb_rotr (uint64_t v, unsigned int count) { return ecb_rotr64 (v, count); } |
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1259 | |
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1260 | #endif |
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1261 | |
1114 | #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)) |
1115 | #if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16) |
1263 | #if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16) |
1116 | #define ecb_bswap16(x) __builtin_bswap16 (x) |
1264 | #define ecb_bswap16(x) __builtin_bswap16 (x) |
1117 | #else |
1265 | #else |
1118 | #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) |
1266 | #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) |
… | |
… | |
1189 | ecb_inline ecb_const ecb_bool ecb_big_endian (void); |
1337 | ecb_inline ecb_const ecb_bool ecb_big_endian (void); |
1190 | 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; } |
1191 | ecb_inline ecb_const ecb_bool ecb_little_endian (void); |
1339 | ecb_inline ecb_const ecb_bool ecb_little_endian (void); |
1192 | 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; } |
1193 | |
1341 | |
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1342 | /*****************************************************************************/ |
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1343 | /* unaligned load/store */ |
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1344 | |
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1345 | ecb_inline uint_fast16_t ecb_be_u16_to_host (uint_fast16_t v) { return ecb_little_endian () ? ecb_bswap16 (v) : v; } |
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1346 | ecb_inline uint_fast32_t ecb_be_u32_to_host (uint_fast32_t v) { return ecb_little_endian () ? ecb_bswap32 (v) : v; } |
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1347 | ecb_inline uint_fast64_t ecb_be_u64_to_host (uint_fast64_t v) { return ecb_little_endian () ? ecb_bswap64 (v) : v; } |
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1348 | |
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1349 | ecb_inline uint_fast16_t ecb_le_u16_to_host (uint_fast16_t v) { return ecb_big_endian () ? ecb_bswap16 (v) : v; } |
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1350 | ecb_inline uint_fast32_t ecb_le_u32_to_host (uint_fast32_t v) { return ecb_big_endian () ? ecb_bswap32 (v) : v; } |
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1351 | ecb_inline uint_fast64_t ecb_le_u64_to_host (uint_fast64_t v) { return ecb_big_endian () ? ecb_bswap64 (v) : v; } |
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1352 | |
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1353 | ecb_inline uint_fast16_t ecb_peek_u16_u (const void *ptr) { uint16_t v; memcpy (&v, ptr, sizeof (v)); return v; } |
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1354 | ecb_inline uint_fast32_t ecb_peek_u32_u (const void *ptr) { uint32_t v; memcpy (&v, ptr, sizeof (v)); return v; } |
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1355 | ecb_inline uint_fast64_t ecb_peek_u64_u (const void *ptr) { uint64_t v; memcpy (&v, ptr, sizeof (v)); return v; } |
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1356 | |
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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)); } |
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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)); } |
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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)); } |
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1360 | |
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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)); } |
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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)); } |
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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)); } |
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1364 | |
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1365 | ecb_inline uint_fast16_t ecb_host_to_be_u16 (uint_fast16_t v) { return ecb_little_endian () ? ecb_bswap16 (v) : v; } |
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1366 | ecb_inline uint_fast32_t ecb_host_to_be_u32 (uint_fast32_t v) { return ecb_little_endian () ? ecb_bswap32 (v) : v; } |
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1367 | ecb_inline uint_fast64_t ecb_host_to_be_u64 (uint_fast64_t v) { return ecb_little_endian () ? ecb_bswap64 (v) : v; } |
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1368 | |
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1369 | ecb_inline uint_fast16_t ecb_host_to_le_u16 (uint_fast16_t v) { return ecb_big_endian () ? ecb_bswap16 (v) : v; } |
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1370 | ecb_inline uint_fast32_t ecb_host_to_le_u32 (uint_fast32_t v) { return ecb_big_endian () ? ecb_bswap32 (v) : v; } |
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1371 | ecb_inline uint_fast64_t ecb_host_to_le_u64 (uint_fast64_t v) { return ecb_big_endian () ? ecb_bswap64 (v) : v; } |
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1372 | |
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1373 | ecb_inline void ecb_poke_u16_u (void *ptr, uint16_t v) { memcpy (ptr, &v, sizeof (v)); } |
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1374 | ecb_inline void ecb_poke_u32_u (void *ptr, uint32_t v) { memcpy (ptr, &v, sizeof (v)); } |
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1375 | ecb_inline void ecb_poke_u64_u (void *ptr, uint64_t v) { memcpy (ptr, &v, sizeof (v)); } |
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1376 | |
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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)); } |
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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)); } |
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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)); } |
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1380 | |
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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)); } |
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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)); } |
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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)); } |
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1384 | |
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1385 | #if ECB_CPP |
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1386 | |
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1387 | inline uint8_t ecb_bswap (uint8_t v) { return v; } |
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1388 | inline uint16_t ecb_bswap (uint16_t v) { return ecb_bswap16 (v); } |
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1389 | inline uint32_t ecb_bswap (uint32_t v) { return ecb_bswap32 (v); } |
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1390 | inline uint64_t ecb_bswap (uint64_t v) { return ecb_bswap64 (v); } |
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1391 | |
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1392 | template<typename T> inline T ecb_be_to_host (T v) { return ecb_little_endian () ? ecb_bswap (v) : v; } |
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1393 | template<typename T> inline T ecb_le_to_host (T v) { return ecb_big_endian () ? ecb_bswap (v) : v; } |
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1394 | template<typename T> inline T ecb_peek (const void *ptr) { return *(const T *)ptr; } |
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1395 | template<typename T> inline T ecb_peek_be (const void *ptr) { return ecb_be_to_host (ecb_peek <T> (ptr)); } |
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1396 | template<typename T> inline T ecb_peek_le (const void *ptr) { return ecb_le_to_host (ecb_peek <T> (ptr)); } |
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1397 | template<typename T> inline T ecb_peek_u (const void *ptr) { T v; memcpy (&v, ptr, sizeof (v)); return v; } |
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1398 | template<typename T> inline T ecb_peek_be_u (const void *ptr) { return ecb_be_to_host (ecb_peek_u<T> (ptr)); } |
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1399 | template<typename T> inline T ecb_peek_le_u (const void *ptr) { return ecb_le_to_host (ecb_peek_u<T> (ptr)); } |
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1400 | |
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1401 | template<typename T> inline T ecb_host_to_be (T v) { return ecb_little_endian () ? ecb_bswap (v) : v; } |
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1402 | template<typename T> inline T ecb_host_to_le (T v) { return ecb_big_endian () ? ecb_bswap (v) : v; } |
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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 | |
1194 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
1414 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
1195 | #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)) |
1196 | #else |
1416 | #else |
1197 | #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))) |
1198 | #endif |
1418 | #endif |
… | |
… | |
1221 | return N; |
1441 | return N; |
1222 | } |
1442 | } |
1223 | #else |
1443 | #else |
1224 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
1444 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
1225 | #endif |
1445 | #endif |
|
|
1446 | |
|
|
1447 | /*****************************************************************************/ |
1226 | |
1448 | |
1227 | 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); |
1228 | ecb_function_ ecb_const uint32_t |
1450 | ecb_function_ ecb_const uint32_t |
1229 | ecb_binary16_to_binary32 (uint32_t x) |
1451 | ecb_binary16_to_binary32 (uint32_t x) |
1230 | { |
1452 | { |
… | |
… | |
1339 | || defined __sh__ \ |
1561 | || defined __sh__ \ |
1340 | || defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \ |
1562 | || defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \ |
1341 | || (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__)) \ |
1342 | || defined __aarch64__ |
1564 | || defined __aarch64__ |
1343 | #define ECB_STDFP 1 |
1565 | #define ECB_STDFP 1 |
1344 | #include <string.h> /* for memcpy */ |
|
|
1345 | #else |
1566 | #else |
1346 | #define ECB_STDFP 0 |
1567 | #define ECB_STDFP 0 |
1347 | #endif |
1568 | #endif |
1348 | |
1569 | |
1349 | #ifndef ECB_NO_LIBM |
1570 | #ifndef ECB_NO_LIBM |
… | |
… | |
1534 | /* ECB.H END */ |
1755 | /* ECB.H END */ |
1535 | |
1756 | |
1536 | #if ECB_MEMORY_FENCE_NEEDS_PTHREADS |
1757 | #if ECB_MEMORY_FENCE_NEEDS_PTHREADS |
1537 | /* if your architecture doesn't need memory fences, e.g. because it is |
1758 | /* if your architecture doesn't need memory fences, e.g. because it is |
1538 | * single-cpu/core, or if you use libev in a project that doesn't use libev |
1759 | * single-cpu/core, or if you use libev in a project that doesn't use libev |
1539 | * from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling |
1760 | * from multiple threads, then you can define ECB_NO_THREADS when compiling |
1540 | * libev, in which cases the memory fences become nops. |
1761 | * libev, in which cases the memory fences become nops. |
1541 | * alternatively, you can remove this #error and link against libpthread, |
1762 | * alternatively, you can remove this #error and link against libpthread, |
1542 | * which will then provide the memory fences. |
1763 | * which will then provide the memory fences. |
1543 | */ |
1764 | */ |
1544 | # error "memory fences not defined for your architecture, please report" |
1765 | # error "memory fences not defined for your architecture, please report" |
… | |
… | |
1548 | # define ECB_MEMORY_FENCE do { } while (0) |
1769 | # define ECB_MEMORY_FENCE do { } while (0) |
1549 | # define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
1770 | # define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
1550 | # define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
1771 | # define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
1551 | #endif |
1772 | #endif |
1552 | |
1773 | |
1553 | #define expect_false(cond) ecb_expect_false (cond) |
|
|
1554 | #define expect_true(cond) ecb_expect_true (cond) |
|
|
1555 | #define noinline ecb_noinline |
|
|
1556 | |
|
|
1557 | #define inline_size ecb_inline |
1774 | #define inline_size ecb_inline |
1558 | |
1775 | |
1559 | #if EV_FEATURE_CODE |
1776 | #if EV_FEATURE_CODE |
1560 | # define inline_speed ecb_inline |
1777 | # define inline_speed ecb_inline |
1561 | #else |
1778 | #else |
1562 | # define inline_speed noinline static |
1779 | # define inline_speed ecb_noinline static |
1563 | #endif |
1780 | #endif |
|
|
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 | /*****************************************************************************/ |
1564 | |
1847 | |
1565 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
1848 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
1566 | |
1849 | |
1567 | #if EV_MINPRI == EV_MAXPRI |
1850 | #if EV_MINPRI == EV_MAXPRI |
1568 | # define ABSPRI(w) (((W)w), 0) |
1851 | # define ABSPRI(w) (((W)w), 0) |
… | |
… | |
1617 | #else |
1900 | #else |
1618 | |
1901 | |
1619 | #include <float.h> |
1902 | #include <float.h> |
1620 | |
1903 | |
1621 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
1904 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
1622 | noinline |
1905 | ecb_noinline |
1623 | static ev_tstamp |
1906 | static ev_tstamp |
1624 | ev_floor (ev_tstamp v) |
1907 | ev_floor (ev_tstamp v) |
1625 | { |
1908 | { |
1626 | /* the choice of shift factor is not terribly important */ |
1909 | /* the choice of shift factor is not terribly important */ |
1627 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
1910 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
1628 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
1911 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
1629 | #else |
1912 | #else |
1630 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.; |
1913 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.; |
1631 | #endif |
1914 | #endif |
1632 | |
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 | |
1633 | /* argument too large for an unsigned long? */ |
1924 | /* argument too large for an unsigned long? then reduce it */ |
1634 | if (expect_false (v >= shift)) |
1925 | if (ecb_expect_false (v >= shift)) |
1635 | { |
1926 | { |
1636 | ev_tstamp f; |
1927 | ev_tstamp f; |
1637 | |
1928 | |
1638 | if (v == v - 1.) |
1929 | if (v == v - 1.) |
1639 | return v; /* very large number */ |
1930 | return v; /* very large numbers are assumed to be integer */ |
1640 | |
1931 | |
1641 | f = shift * ev_floor (v * (1. / shift)); |
1932 | f = shift * ev_floor (v * (1. / shift)); |
1642 | return f + ev_floor (v - f); |
1933 | return f + ev_floor (v - f); |
1643 | } |
1934 | } |
1644 | |
1935 | |
1645 | /* special treatment for negative args? */ |
|
|
1646 | if (expect_false (v < 0.)) |
|
|
1647 | { |
|
|
1648 | ev_tstamp f = -ev_floor (-v); |
|
|
1649 | |
|
|
1650 | return f - (f == v ? 0 : 1); |
|
|
1651 | } |
|
|
1652 | |
|
|
1653 | /* fits into an unsigned long */ |
1936 | /* fits into an unsigned long */ |
1654 | return (unsigned long)v; |
1937 | return (unsigned long)v; |
1655 | } |
1938 | } |
1656 | |
1939 | |
1657 | #endif |
1940 | #endif |
… | |
… | |
1660 | |
1943 | |
1661 | #ifdef __linux |
1944 | #ifdef __linux |
1662 | # include <sys/utsname.h> |
1945 | # include <sys/utsname.h> |
1663 | #endif |
1946 | #endif |
1664 | |
1947 | |
1665 | noinline ecb_cold |
1948 | ecb_noinline ecb_cold |
1666 | static unsigned int |
1949 | static unsigned int |
1667 | ev_linux_version (void) |
1950 | ev_linux_version (void) |
1668 | { |
1951 | { |
1669 | #ifdef __linux |
1952 | #ifdef __linux |
1670 | unsigned int v = 0; |
1953 | unsigned int v = 0; |
… | |
… | |
1700 | } |
1983 | } |
1701 | |
1984 | |
1702 | /*****************************************************************************/ |
1985 | /*****************************************************************************/ |
1703 | |
1986 | |
1704 | #if EV_AVOID_STDIO |
1987 | #if EV_AVOID_STDIO |
1705 | noinline ecb_cold |
1988 | ecb_noinline ecb_cold |
1706 | static void |
1989 | static void |
1707 | ev_printerr (const char *msg) |
1990 | ev_printerr (const char *msg) |
1708 | { |
1991 | { |
1709 | write (STDERR_FILENO, msg, strlen (msg)); |
1992 | write (STDERR_FILENO, msg, strlen (msg)); |
1710 | } |
1993 | } |
… | |
… | |
1717 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT |
2000 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT |
1718 | { |
2001 | { |
1719 | syserr_cb = cb; |
2002 | syserr_cb = cb; |
1720 | } |
2003 | } |
1721 | |
2004 | |
1722 | noinline ecb_cold |
2005 | ecb_noinline ecb_cold |
1723 | static void |
2006 | static void |
1724 | ev_syserr (const char *msg) |
2007 | ev_syserr (const char *msg) |
1725 | { |
2008 | { |
1726 | if (!msg) |
2009 | if (!msg) |
1727 | msg = "(libev) system error"; |
2010 | msg = "(libev) system error"; |
… | |
… | |
1799 | { |
2082 | { |
1800 | WL head; |
2083 | WL head; |
1801 | unsigned char events; /* the events watched for */ |
2084 | unsigned char events; /* the events watched for */ |
1802 | 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) */ |
1803 | 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 */ |
1804 | unsigned char unused; |
2087 | unsigned char eflags; /* flags field for use by backends */ |
1805 | #if EV_USE_EPOLL |
2088 | #if EV_USE_EPOLL |
1806 | unsigned int egen; /* generation counter to counter epoll bugs */ |
2089 | unsigned int egen; /* generation counter to counter epoll bugs */ |
1807 | #endif |
2090 | #endif |
1808 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
2091 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
1809 | SOCKET handle; |
2092 | SOCKET handle; |
… | |
… | |
1863 | static struct ev_loop default_loop_struct; |
2146 | static struct ev_loop default_loop_struct; |
1864 | 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 */ |
1865 | |
2148 | |
1866 | #else |
2149 | #else |
1867 | |
2150 | |
1868 | 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 */ |
1869 | #define VAR(name,decl) static decl; |
2152 | #define VAR(name,decl) static decl; |
1870 | #include "ev_vars.h" |
2153 | #include "ev_vars.h" |
1871 | #undef VAR |
2154 | #undef VAR |
1872 | |
2155 | |
1873 | static int ev_default_loop_ptr; |
2156 | static int ev_default_loop_ptr; |
1874 | |
2157 | |
1875 | #endif |
2158 | #endif |
1876 | |
2159 | |
1877 | #if EV_FEATURE_API |
2160 | #if EV_FEATURE_API |
1878 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
2161 | # define EV_RELEASE_CB if (ecb_expect_false (release_cb)) release_cb (EV_A) |
1879 | # define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) |
2162 | # define EV_ACQUIRE_CB if (ecb_expect_false (acquire_cb)) acquire_cb (EV_A) |
1880 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
2163 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
1881 | #else |
2164 | #else |
1882 | # define EV_RELEASE_CB (void)0 |
2165 | # define EV_RELEASE_CB (void)0 |
1883 | # define EV_ACQUIRE_CB (void)0 |
2166 | # define EV_ACQUIRE_CB (void)0 |
1884 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
2167 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
… | |
… | |
1891 | #ifndef EV_HAVE_EV_TIME |
2174 | #ifndef EV_HAVE_EV_TIME |
1892 | ev_tstamp |
2175 | ev_tstamp |
1893 | ev_time (void) EV_NOEXCEPT |
2176 | ev_time (void) EV_NOEXCEPT |
1894 | { |
2177 | { |
1895 | #if EV_USE_REALTIME |
2178 | #if EV_USE_REALTIME |
1896 | if (expect_true (have_realtime)) |
2179 | if (ecb_expect_true (have_realtime)) |
1897 | { |
2180 | { |
1898 | struct timespec ts; |
2181 | struct timespec ts; |
1899 | clock_gettime (CLOCK_REALTIME, &ts); |
2182 | clock_gettime (CLOCK_REALTIME, &ts); |
1900 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
2183 | return EV_TS_GET (ts); |
1901 | } |
2184 | } |
1902 | #endif |
2185 | #endif |
1903 | |
2186 | |
|
|
2187 | { |
1904 | struct timeval tv; |
2188 | struct timeval tv; |
1905 | gettimeofday (&tv, 0); |
2189 | gettimeofday (&tv, 0); |
1906 | return tv.tv_sec + tv.tv_usec * 1e-6; |
2190 | return EV_TV_GET (tv); |
|
|
2191 | } |
1907 | } |
2192 | } |
1908 | #endif |
2193 | #endif |
1909 | |
2194 | |
1910 | inline_size ev_tstamp |
2195 | inline_size ev_tstamp |
1911 | get_clock (void) |
2196 | get_clock (void) |
1912 | { |
2197 | { |
1913 | #if EV_USE_MONOTONIC |
2198 | #if EV_USE_MONOTONIC |
1914 | if (expect_true (have_monotonic)) |
2199 | if (ecb_expect_true (have_monotonic)) |
1915 | { |
2200 | { |
1916 | struct timespec ts; |
2201 | struct timespec ts; |
1917 | clock_gettime (CLOCK_MONOTONIC, &ts); |
2202 | clock_gettime (CLOCK_MONOTONIC, &ts); |
1918 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
2203 | return EV_TS_GET (ts); |
1919 | } |
2204 | } |
1920 | #endif |
2205 | #endif |
1921 | |
2206 | |
1922 | return ev_time (); |
2207 | return ev_time (); |
1923 | } |
2208 | } |
… | |
… | |
1931 | #endif |
2216 | #endif |
1932 | |
2217 | |
1933 | void |
2218 | void |
1934 | ev_sleep (ev_tstamp delay) EV_NOEXCEPT |
2219 | ev_sleep (ev_tstamp delay) EV_NOEXCEPT |
1935 | { |
2220 | { |
1936 | if (delay > 0.) |
2221 | if (delay > EV_TS_CONST (0.)) |
1937 | { |
2222 | { |
1938 | #if EV_USE_NANOSLEEP |
2223 | #if EV_USE_NANOSLEEP |
1939 | struct timespec ts; |
2224 | struct timespec ts; |
1940 | |
2225 | |
1941 | EV_TS_SET (ts, delay); |
2226 | EV_TS_SET (ts, delay); |
1942 | nanosleep (&ts, 0); |
2227 | nanosleep (&ts, 0); |
1943 | #elif defined _WIN32 |
2228 | #elif defined _WIN32 |
1944 | /* maybe this should round up, as ms is very low resolution */ |
2229 | /* maybe this should round up, as ms is very low resolution */ |
1945 | /* compared to select (µs) or nanosleep (ns) */ |
2230 | /* compared to select (µs) or nanosleep (ns) */ |
1946 | Sleep ((unsigned long)(delay * 1e3)); |
2231 | Sleep ((unsigned long)(EV_TS_TO_MSEC (delay))); |
1947 | #else |
2232 | #else |
1948 | struct timeval tv; |
2233 | struct timeval tv; |
1949 | |
2234 | |
1950 | /* 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 */ |
1951 | /* something not guaranteed by newer posix versions, but guaranteed */ |
2236 | /* something not guaranteed by newer posix versions, but guaranteed */ |
… | |
… | |
1981 | } |
2266 | } |
1982 | |
2267 | |
1983 | return ncur; |
2268 | return ncur; |
1984 | } |
2269 | } |
1985 | |
2270 | |
1986 | noinline ecb_cold |
2271 | ecb_noinline ecb_cold |
1987 | static void * |
2272 | static void * |
1988 | array_realloc (int elem, void *base, int *cur, int cnt) |
2273 | array_realloc (int elem, void *base, int *cur, int cnt) |
1989 | { |
2274 | { |
1990 | *cur = array_nextsize (elem, *cur, cnt); |
2275 | *cur = array_nextsize (elem, *cur, cnt); |
1991 | return ev_realloc (base, elem * *cur); |
2276 | return ev_realloc (base, elem * *cur); |
… | |
… | |
1995 | |
2280 | |
1996 | #define array_needsize_zerofill(base,offset,count) \ |
2281 | #define array_needsize_zerofill(base,offset,count) \ |
1997 | memset ((void *)(base + offset), 0, sizeof (*(base)) * (count)) |
2282 | memset ((void *)(base + offset), 0, sizeof (*(base)) * (count)) |
1998 | |
2283 | |
1999 | #define array_needsize(type,base,cur,cnt,init) \ |
2284 | #define array_needsize(type,base,cur,cnt,init) \ |
2000 | if (expect_false ((cnt) > (cur))) \ |
2285 | if (ecb_expect_false ((cnt) > (cur))) \ |
2001 | { \ |
2286 | { \ |
2002 | ecb_unused int ocur_ = (cur); \ |
2287 | ecb_unused int ocur_ = (cur); \ |
2003 | (base) = (type *)array_realloc \ |
2288 | (base) = (type *)array_realloc \ |
2004 | (sizeof (type), (base), &(cur), (cnt)); \ |
2289 | (sizeof (type), (base), &(cur), (cnt)); \ |
2005 | init ((base), ocur_, ((cur) - ocur_)); \ |
2290 | init ((base), ocur_, ((cur) - ocur_)); \ |
… | |
… | |
2019 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
2304 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
2020 | |
2305 | |
2021 | /*****************************************************************************/ |
2306 | /*****************************************************************************/ |
2022 | |
2307 | |
2023 | /* dummy callback for pending events */ |
2308 | /* dummy callback for pending events */ |
2024 | noinline |
2309 | ecb_noinline |
2025 | static void |
2310 | static void |
2026 | pendingcb (EV_P_ ev_prepare *w, int revents) |
2311 | pendingcb (EV_P_ ev_prepare *w, int revents) |
2027 | { |
2312 | { |
2028 | } |
2313 | } |
2029 | |
2314 | |
2030 | noinline |
2315 | ecb_noinline |
2031 | void |
2316 | void |
2032 | ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT |
2317 | ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT |
2033 | { |
2318 | { |
2034 | W w_ = (W)w; |
2319 | W w_ = (W)w; |
2035 | int pri = ABSPRI (w_); |
2320 | int pri = ABSPRI (w_); |
2036 | |
2321 | |
2037 | if (expect_false (w_->pending)) |
2322 | if (ecb_expect_false (w_->pending)) |
2038 | pendings [pri][w_->pending - 1].events |= revents; |
2323 | pendings [pri][w_->pending - 1].events |= revents; |
2039 | else |
2324 | else |
2040 | { |
2325 | { |
2041 | w_->pending = ++pendingcnt [pri]; |
2326 | w_->pending = ++pendingcnt [pri]; |
2042 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit); |
2327 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit); |
… | |
… | |
2093 | inline_speed void |
2378 | inline_speed void |
2094 | fd_event (EV_P_ int fd, int revents) |
2379 | fd_event (EV_P_ int fd, int revents) |
2095 | { |
2380 | { |
2096 | ANFD *anfd = anfds + fd; |
2381 | ANFD *anfd = anfds + fd; |
2097 | |
2382 | |
2098 | if (expect_true (!anfd->reify)) |
2383 | if (ecb_expect_true (!anfd->reify)) |
2099 | fd_event_nocheck (EV_A_ fd, revents); |
2384 | fd_event_nocheck (EV_A_ fd, revents); |
2100 | } |
2385 | } |
2101 | |
2386 | |
2102 | void |
2387 | void |
2103 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT |
2388 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT |
… | |
… | |
2111 | inline_size void |
2396 | inline_size void |
2112 | fd_reify (EV_P) |
2397 | fd_reify (EV_P) |
2113 | { |
2398 | { |
2114 | int i; |
2399 | int i; |
2115 | |
2400 | |
|
|
2401 | /* most backends do not modify the fdchanges list in backend_modify. |
|
|
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 | |
2116 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
2413 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
2117 | for (i = 0; i < fdchangecnt; ++i) |
2414 | for (i = 0; i < changecnt; ++i) |
2118 | { |
2415 | { |
2119 | int fd = fdchanges [i]; |
2416 | int fd = fdchanges [i]; |
2120 | ANFD *anfd = anfds + fd; |
2417 | ANFD *anfd = anfds + fd; |
2121 | |
2418 | |
2122 | if (anfd->reify & EV__IOFDSET && anfd->head) |
2419 | if (anfd->reify & EV__IOFDSET && anfd->head) |
… | |
… | |
2136 | } |
2433 | } |
2137 | } |
2434 | } |
2138 | } |
2435 | } |
2139 | #endif |
2436 | #endif |
2140 | |
2437 | |
2141 | for (i = 0; i < fdchangecnt; ++i) |
2438 | for (i = 0; i < changecnt; ++i) |
2142 | { |
2439 | { |
2143 | int fd = fdchanges [i]; |
2440 | int fd = fdchanges [i]; |
2144 | ANFD *anfd = anfds + fd; |
2441 | ANFD *anfd = anfds + fd; |
2145 | ev_io *w; |
2442 | ev_io *w; |
2146 | |
2443 | |
2147 | unsigned char o_events = anfd->events; |
2444 | unsigned char o_events = anfd->events; |
2148 | unsigned char o_reify = anfd->reify; |
2445 | unsigned char o_reify = anfd->reify; |
2149 | |
2446 | |
2150 | anfd->reify = 0; |
2447 | anfd->reify = 0; |
2151 | |
2448 | |
2152 | /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
2449 | /*if (ecb_expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
2153 | { |
2450 | { |
2154 | anfd->events = 0; |
2451 | anfd->events = 0; |
2155 | |
2452 | |
2156 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
2453 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
2157 | anfd->events |= (unsigned char)w->events; |
2454 | anfd->events |= (unsigned char)w->events; |
… | |
… | |
2162 | |
2459 | |
2163 | if (o_reify & EV__IOFDSET) |
2460 | if (o_reify & EV__IOFDSET) |
2164 | backend_modify (EV_A_ fd, o_events, anfd->events); |
2461 | backend_modify (EV_A_ fd, o_events, anfd->events); |
2165 | } |
2462 | } |
2166 | |
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 | |
2167 | fdchangecnt = 0; |
2471 | fdchangecnt -= changecnt; |
2168 | } |
2472 | } |
2169 | |
2473 | |
2170 | /* something about the given fd changed */ |
2474 | /* something about the given fd changed */ |
2171 | inline_size |
2475 | inline_size |
2172 | void |
2476 | void |
2173 | fd_change (EV_P_ int fd, int flags) |
2477 | fd_change (EV_P_ int fd, int flags) |
2174 | { |
2478 | { |
2175 | unsigned char reify = anfds [fd].reify; |
2479 | unsigned char reify = anfds [fd].reify; |
2176 | anfds [fd].reify |= flags; |
2480 | anfds [fd].reify = reify | flags; |
2177 | |
2481 | |
2178 | if (expect_true (!reify)) |
2482 | if (ecb_expect_true (!reify)) |
2179 | { |
2483 | { |
2180 | ++fdchangecnt; |
2484 | ++fdchangecnt; |
2181 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit); |
2485 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit); |
2182 | fdchanges [fdchangecnt - 1] = fd; |
2486 | fdchanges [fdchangecnt - 1] = fd; |
2183 | } |
2487 | } |
… | |
… | |
2206 | return fcntl (fd, F_GETFD) != -1; |
2510 | return fcntl (fd, F_GETFD) != -1; |
2207 | #endif |
2511 | #endif |
2208 | } |
2512 | } |
2209 | |
2513 | |
2210 | /* called on EBADF to verify fds */ |
2514 | /* called on EBADF to verify fds */ |
2211 | noinline ecb_cold |
2515 | ecb_noinline ecb_cold |
2212 | static void |
2516 | static void |
2213 | fd_ebadf (EV_P) |
2517 | fd_ebadf (EV_P) |
2214 | { |
2518 | { |
2215 | int fd; |
2519 | int fd; |
2216 | |
2520 | |
… | |
… | |
2219 | if (!fd_valid (fd) && errno == EBADF) |
2523 | if (!fd_valid (fd) && errno == EBADF) |
2220 | fd_kill (EV_A_ fd); |
2524 | fd_kill (EV_A_ fd); |
2221 | } |
2525 | } |
2222 | |
2526 | |
2223 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
2527 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
2224 | noinline ecb_cold |
2528 | ecb_noinline ecb_cold |
2225 | static void |
2529 | static void |
2226 | fd_enomem (EV_P) |
2530 | fd_enomem (EV_P) |
2227 | { |
2531 | { |
2228 | int fd; |
2532 | int fd; |
2229 | |
2533 | |
… | |
… | |
2234 | break; |
2538 | break; |
2235 | } |
2539 | } |
2236 | } |
2540 | } |
2237 | |
2541 | |
2238 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
2542 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
2239 | noinline |
2543 | ecb_noinline |
2240 | static void |
2544 | static void |
2241 | fd_rearm_all (EV_P) |
2545 | fd_rearm_all (EV_P) |
2242 | { |
2546 | { |
2243 | int fd; |
2547 | int fd; |
2244 | |
2548 | |
… | |
… | |
2298 | ev_tstamp minat; |
2602 | ev_tstamp minat; |
2299 | ANHE *minpos; |
2603 | ANHE *minpos; |
2300 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; |
2604 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; |
2301 | |
2605 | |
2302 | /* find minimum child */ |
2606 | /* find minimum child */ |
2303 | if (expect_true (pos + DHEAP - 1 < E)) |
2607 | if (ecb_expect_true (pos + DHEAP - 1 < E)) |
2304 | { |
2608 | { |
2305 | /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
2609 | /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
2306 | 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)); |
2307 | 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)); |
2308 | 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)); |
2309 | } |
2613 | } |
2310 | else if (pos < E) |
2614 | else if (pos < E) |
2311 | { |
2615 | { |
2312 | /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
2616 | /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
2313 | 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)); |
2314 | 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)); |
2315 | 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)); |
2316 | } |
2620 | } |
2317 | else |
2621 | else |
2318 | break; |
2622 | break; |
2319 | |
2623 | |
2320 | if (ANHE_at (he) <= minat) |
2624 | if (ANHE_at (he) <= minat) |
… | |
… | |
2328 | |
2632 | |
2329 | heap [k] = he; |
2633 | heap [k] = he; |
2330 | ev_active (ANHE_w (he)) = k; |
2634 | ev_active (ANHE_w (he)) = k; |
2331 | } |
2635 | } |
2332 | |
2636 | |
2333 | #else /* 4HEAP */ |
2637 | #else /* not 4HEAP */ |
2334 | |
2638 | |
2335 | #define HEAP0 1 |
2639 | #define HEAP0 1 |
2336 | #define HPARENT(k) ((k) >> 1) |
2640 | #define HPARENT(k) ((k) >> 1) |
2337 | #define UPHEAP_DONE(p,k) (!(p)) |
2641 | #define UPHEAP_DONE(p,k) (!(p)) |
2338 | |
2642 | |
… | |
… | |
2410 | upheap (heap, i + HEAP0); |
2714 | upheap (heap, i + HEAP0); |
2411 | } |
2715 | } |
2412 | |
2716 | |
2413 | /*****************************************************************************/ |
2717 | /*****************************************************************************/ |
2414 | |
2718 | |
2415 | /* associate signal watchers to a signal signal */ |
2719 | /* associate signal watchers to a signal */ |
2416 | typedef struct |
2720 | typedef struct |
2417 | { |
2721 | { |
2418 | EV_ATOMIC_T pending; |
2722 | EV_ATOMIC_T pending; |
2419 | #if EV_MULTIPLICITY |
2723 | #if EV_MULTIPLICITY |
2420 | EV_P; |
2724 | EV_P; |
… | |
… | |
2426 | |
2730 | |
2427 | /*****************************************************************************/ |
2731 | /*****************************************************************************/ |
2428 | |
2732 | |
2429 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2733 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2430 | |
2734 | |
2431 | noinline ecb_cold |
2735 | ecb_noinline ecb_cold |
2432 | static void |
2736 | static void |
2433 | evpipe_init (EV_P) |
2737 | evpipe_init (EV_P) |
2434 | { |
2738 | { |
2435 | if (!ev_is_active (&pipe_w)) |
2739 | if (!ev_is_active (&pipe_w)) |
2436 | { |
2740 | { |
… | |
… | |
2477 | inline_speed void |
2781 | inline_speed void |
2478 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
2782 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
2479 | { |
2783 | { |
2480 | ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */ |
2784 | ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */ |
2481 | |
2785 | |
2482 | if (expect_true (*flag)) |
2786 | if (ecb_expect_true (*flag)) |
2483 | return; |
2787 | return; |
2484 | |
2788 | |
2485 | *flag = 1; |
2789 | *flag = 1; |
2486 | ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ |
2790 | ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ |
2487 | |
2791 | |
… | |
… | |
2564 | sig_pending = 0; |
2868 | sig_pending = 0; |
2565 | |
2869 | |
2566 | ECB_MEMORY_FENCE; |
2870 | ECB_MEMORY_FENCE; |
2567 | |
2871 | |
2568 | for (i = EV_NSIG - 1; i--; ) |
2872 | for (i = EV_NSIG - 1; i--; ) |
2569 | if (expect_false (signals [i].pending)) |
2873 | if (ecb_expect_false (signals [i].pending)) |
2570 | ev_feed_signal_event (EV_A_ i + 1); |
2874 | ev_feed_signal_event (EV_A_ i + 1); |
2571 | } |
2875 | } |
2572 | #endif |
2876 | #endif |
2573 | |
2877 | |
2574 | #if EV_ASYNC_ENABLE |
2878 | #if EV_ASYNC_ENABLE |
… | |
… | |
2615 | #endif |
2919 | #endif |
2616 | |
2920 | |
2617 | ev_feed_signal (signum); |
2921 | ev_feed_signal (signum); |
2618 | } |
2922 | } |
2619 | |
2923 | |
2620 | noinline |
2924 | ecb_noinline |
2621 | void |
2925 | void |
2622 | ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT |
2926 | ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT |
2623 | { |
2927 | { |
2624 | WL w; |
2928 | WL w; |
2625 | |
2929 | |
2626 | if (expect_false (signum <= 0 || signum >= EV_NSIG)) |
2930 | if (ecb_expect_false (signum <= 0 || signum >= EV_NSIG)) |
2627 | return; |
2931 | return; |
2628 | |
2932 | |
2629 | --signum; |
2933 | --signum; |
2630 | |
2934 | |
2631 | #if EV_MULTIPLICITY |
2935 | #if EV_MULTIPLICITY |
2632 | /* it is permissible to try to feed a signal to the wrong loop */ |
2936 | /* it is permissible to try to feed a signal to the wrong loop */ |
2633 | /* or, likely more useful, feeding a signal nobody is waiting for */ |
2937 | /* or, likely more useful, feeding a signal nobody is waiting for */ |
2634 | |
2938 | |
2635 | if (expect_false (signals [signum].loop != EV_A)) |
2939 | if (ecb_expect_false (signals [signum].loop != EV_A)) |
2636 | return; |
2940 | return; |
2637 | #endif |
2941 | #endif |
2638 | |
2942 | |
2639 | signals [signum].pending = 0; |
2943 | signals [signum].pending = 0; |
2640 | ECB_MEMORY_FENCE_RELEASE; |
2944 | ECB_MEMORY_FENCE_RELEASE; |
… | |
… | |
2724 | |
3028 | |
2725 | #endif |
3029 | #endif |
2726 | |
3030 | |
2727 | /*****************************************************************************/ |
3031 | /*****************************************************************************/ |
2728 | |
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 | |
2729 | #if EV_USE_IOCP |
3084 | #if EV_USE_IOCP |
2730 | # include "ev_iocp.c" |
3085 | # include "ev_iocp.c" |
2731 | #endif |
3086 | #endif |
2732 | #if EV_USE_PORT |
3087 | #if EV_USE_PORT |
2733 | # include "ev_port.c" |
3088 | # include "ev_port.c" |
… | |
… | |
2738 | #if EV_USE_EPOLL |
3093 | #if EV_USE_EPOLL |
2739 | # include "ev_epoll.c" |
3094 | # include "ev_epoll.c" |
2740 | #endif |
3095 | #endif |
2741 | #if EV_USE_LINUXAIO |
3096 | #if EV_USE_LINUXAIO |
2742 | # include "ev_linuxaio.c" |
3097 | # include "ev_linuxaio.c" |
|
|
3098 | #endif |
|
|
3099 | #if EV_USE_IOURING |
|
|
3100 | # include "ev_iouring.c" |
2743 | #endif |
3101 | #endif |
2744 | #if EV_USE_POLL |
3102 | #if EV_USE_POLL |
2745 | # include "ev_poll.c" |
3103 | # include "ev_poll.c" |
2746 | #endif |
3104 | #endif |
2747 | #if EV_USE_SELECT |
3105 | #if EV_USE_SELECT |
… | |
… | |
2776 | unsigned int |
3134 | unsigned int |
2777 | ev_supported_backends (void) EV_NOEXCEPT |
3135 | ev_supported_backends (void) EV_NOEXCEPT |
2778 | { |
3136 | { |
2779 | unsigned int flags = 0; |
3137 | unsigned int flags = 0; |
2780 | |
3138 | |
2781 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
3139 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2782 | if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE; |
3140 | if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE; |
2783 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
3141 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
2784 | if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO; |
3142 | if (EV_USE_LINUXAIO ) flags |= EVBACKEND_LINUXAIO; |
2785 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
3143 | if (EV_USE_IOURING && ev_linux_version () >= 0x050601) flags |= EVBACKEND_IOURING; /* 5.6.1+ */ |
2786 | if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT; |
3144 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
2787 | |
3145 | if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT; |
|
|
3146 | |
2788 | return flags; |
3147 | return flags; |
2789 | } |
3148 | } |
2790 | |
3149 | |
2791 | ecb_cold |
3150 | ecb_cold |
2792 | unsigned int |
3151 | unsigned int |
… | |
… | |
2810 | |
3169 | |
2811 | /* TODO: linuxaio is very experimental */ |
3170 | /* TODO: linuxaio is very experimental */ |
2812 | #if !EV_RECOMMEND_LINUXAIO |
3171 | #if !EV_RECOMMEND_LINUXAIO |
2813 | flags &= ~EVBACKEND_LINUXAIO; |
3172 | flags &= ~EVBACKEND_LINUXAIO; |
2814 | #endif |
3173 | #endif |
|
|
3174 | /* TODO: iouring is super experimental */ |
|
|
3175 | #if !EV_RECOMMEND_IOURING |
|
|
3176 | flags &= ~EVBACKEND_IOURING; |
|
|
3177 | #endif |
2815 | |
3178 | |
2816 | return flags; |
3179 | return flags; |
2817 | } |
3180 | } |
2818 | |
3181 | |
2819 | ecb_cold |
3182 | ecb_cold |
2820 | unsigned int |
3183 | unsigned int |
2821 | ev_embeddable_backends (void) EV_NOEXCEPT |
3184 | ev_embeddable_backends (void) EV_NOEXCEPT |
2822 | { |
3185 | { |
2823 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
3186 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT | EVBACKEND_IOURING; |
2824 | |
3187 | |
2825 | /* 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 */ |
2826 | 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 */ |
2827 | flags &= ~EVBACKEND_EPOLL; |
3190 | flags &= ~EVBACKEND_EPOLL; |
2828 | |
3191 | |
|
|
3192 | /* EVBACKEND_LINUXAIO is theoretically embeddable, but suffers from a performance overhead */ |
|
|
3193 | |
2829 | return flags; |
3194 | return flags; |
2830 | } |
3195 | } |
2831 | |
3196 | |
2832 | unsigned int |
3197 | unsigned int |
2833 | ev_backend (EV_P) EV_NOEXCEPT |
3198 | ev_backend (EV_P) EV_NOEXCEPT |
… | |
… | |
2885 | acquire_cb = acquire; |
3250 | acquire_cb = acquire; |
2886 | } |
3251 | } |
2887 | #endif |
3252 | #endif |
2888 | |
3253 | |
2889 | /* initialise a loop structure, must be zero-initialised */ |
3254 | /* initialise a loop structure, must be zero-initialised */ |
2890 | noinline ecb_cold |
3255 | ecb_noinline ecb_cold |
2891 | static void |
3256 | static void |
2892 | loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT |
3257 | loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT |
2893 | { |
3258 | { |
2894 | if (!backend) |
3259 | if (!backend) |
2895 | { |
3260 | { |
… | |
… | |
2950 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
3315 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
2951 | #endif |
3316 | #endif |
2952 | #if EV_USE_SIGNALFD |
3317 | #if EV_USE_SIGNALFD |
2953 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
3318 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
2954 | #endif |
3319 | #endif |
|
|
3320 | #if EV_USE_TIMERFD |
|
|
3321 | timerfd = flags & EVFLAG_NOTIMERFD ? -1 : -2; |
|
|
3322 | #endif |
2955 | |
3323 | |
2956 | if (!(flags & EVBACKEND_MASK)) |
3324 | if (!(flags & EVBACKEND_MASK)) |
2957 | flags |= ev_recommended_backends (); |
3325 | flags |= ev_recommended_backends (); |
2958 | |
3326 | |
2959 | #if EV_USE_IOCP |
3327 | #if EV_USE_IOCP |
… | |
… | |
2962 | #if EV_USE_PORT |
3330 | #if EV_USE_PORT |
2963 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
3331 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
2964 | #endif |
3332 | #endif |
2965 | #if EV_USE_KQUEUE |
3333 | #if EV_USE_KQUEUE |
2966 | 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); |
2967 | #endif |
3338 | #endif |
2968 | #if EV_USE_LINUXAIO |
3339 | #if EV_USE_LINUXAIO |
2969 | if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags); |
3340 | if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags); |
2970 | #endif |
3341 | #endif |
2971 | #if EV_USE_EPOLL |
3342 | #if EV_USE_EPOLL |
… | |
… | |
3000 | return; |
3371 | return; |
3001 | #endif |
3372 | #endif |
3002 | |
3373 | |
3003 | #if EV_CLEANUP_ENABLE |
3374 | #if EV_CLEANUP_ENABLE |
3004 | /* queue cleanup watchers (and execute them) */ |
3375 | /* queue cleanup watchers (and execute them) */ |
3005 | if (expect_false (cleanupcnt)) |
3376 | if (ecb_expect_false (cleanupcnt)) |
3006 | { |
3377 | { |
3007 | queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP); |
3378 | queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP); |
3008 | EV_INVOKE_PENDING; |
3379 | EV_INVOKE_PENDING; |
3009 | } |
3380 | } |
3010 | #endif |
3381 | #endif |
… | |
… | |
3029 | #if EV_USE_SIGNALFD |
3400 | #if EV_USE_SIGNALFD |
3030 | if (ev_is_active (&sigfd_w)) |
3401 | if (ev_is_active (&sigfd_w)) |
3031 | close (sigfd); |
3402 | close (sigfd); |
3032 | #endif |
3403 | #endif |
3033 | |
3404 | |
|
|
3405 | #if EV_USE_TIMERFD |
|
|
3406 | if (ev_is_active (&timerfd_w)) |
|
|
3407 | close (timerfd); |
|
|
3408 | #endif |
|
|
3409 | |
3034 | #if EV_USE_INOTIFY |
3410 | #if EV_USE_INOTIFY |
3035 | if (fs_fd >= 0) |
3411 | if (fs_fd >= 0) |
3036 | close (fs_fd); |
3412 | close (fs_fd); |
3037 | #endif |
3413 | #endif |
3038 | |
3414 | |
… | |
… | |
3045 | #if EV_USE_PORT |
3421 | #if EV_USE_PORT |
3046 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
3422 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
3047 | #endif |
3423 | #endif |
3048 | #if EV_USE_KQUEUE |
3424 | #if EV_USE_KQUEUE |
3049 | 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); |
3050 | #endif |
3429 | #endif |
3051 | #if EV_USE_LINUXAIO |
3430 | #if EV_USE_LINUXAIO |
3052 | if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A); |
3431 | if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A); |
3053 | #endif |
3432 | #endif |
3054 | #if EV_USE_EPOLL |
3433 | #if EV_USE_EPOLL |
… | |
… | |
3113 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
3492 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
3114 | #endif |
3493 | #endif |
3115 | #if EV_USE_KQUEUE |
3494 | #if EV_USE_KQUEUE |
3116 | if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A); |
3495 | if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A); |
3117 | #endif |
3496 | #endif |
|
|
3497 | #if EV_USE_IOURING |
|
|
3498 | if (backend == EVBACKEND_IOURING ) iouring_fork (EV_A); |
|
|
3499 | #endif |
3118 | #if EV_USE_LINUXAIO |
3500 | #if EV_USE_LINUXAIO |
3119 | if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A); |
3501 | if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A); |
3120 | #endif |
3502 | #endif |
3121 | #if EV_USE_EPOLL |
3503 | #if EV_USE_EPOLL |
3122 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
3504 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
3123 | #endif |
3505 | #endif |
3124 | #if EV_USE_INOTIFY |
3506 | #if EV_USE_INOTIFY |
3125 | infy_fork (EV_A); |
3507 | infy_fork (EV_A); |
3126 | #endif |
3508 | #endif |
3127 | |
3509 | |
|
|
3510 | if (postfork != 2) |
|
|
3511 | { |
|
|
3512 | #if EV_USE_SIGNALFD |
|
|
3513 | /* surprisingly, nothing needs to be done for signalfd, according 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 | |
3128 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
3531 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
3129 | if (ev_is_active (&pipe_w) && postfork != 2) |
3532 | if (ev_is_active (&pipe_w)) |
3130 | { |
3533 | { |
3131 | /* 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 */ |
3132 | |
3535 | |
3133 | ev_ref (EV_A); |
3536 | ev_ref (EV_A); |
3134 | ev_io_stop (EV_A_ &pipe_w); |
3537 | ev_io_stop (EV_A_ &pipe_w); |
3135 | |
3538 | |
3136 | if (evpipe [0] >= 0) |
3539 | if (evpipe [0] >= 0) |
3137 | EV_WIN32_CLOSE_FD (evpipe [0]); |
3540 | EV_WIN32_CLOSE_FD (evpipe [0]); |
3138 | |
3541 | |
3139 | evpipe_init (EV_A); |
3542 | evpipe_init (EV_A); |
3140 | /* iterate over everything, in case we missed something before */ |
3543 | /* iterate over everything, in case we missed something before */ |
3141 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
3544 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
|
|
3545 | } |
|
|
3546 | #endif |
3142 | } |
3547 | } |
3143 | #endif |
|
|
3144 | |
3548 | |
3145 | postfork = 0; |
3549 | postfork = 0; |
3146 | } |
3550 | } |
3147 | |
3551 | |
3148 | #if EV_MULTIPLICITY |
3552 | #if EV_MULTIPLICITY |
… | |
… | |
3164 | } |
3568 | } |
3165 | |
3569 | |
3166 | #endif /* multiplicity */ |
3570 | #endif /* multiplicity */ |
3167 | |
3571 | |
3168 | #if EV_VERIFY |
3572 | #if EV_VERIFY |
3169 | noinline ecb_cold |
3573 | ecb_noinline ecb_cold |
3170 | static void |
3574 | static void |
3171 | verify_watcher (EV_P_ W w) |
3575 | verify_watcher (EV_P_ W w) |
3172 | { |
3576 | { |
3173 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
3577 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
3174 | |
3578 | |
3175 | if (w->pending) |
3579 | if (w->pending) |
3176 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
3580 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
3177 | } |
3581 | } |
3178 | |
3582 | |
3179 | noinline ecb_cold |
3583 | ecb_noinline ecb_cold |
3180 | static void |
3584 | static void |
3181 | verify_heap (EV_P_ ANHE *heap, int N) |
3585 | verify_heap (EV_P_ ANHE *heap, int N) |
3182 | { |
3586 | { |
3183 | int i; |
3587 | int i; |
3184 | |
3588 | |
… | |
… | |
3190 | |
3594 | |
3191 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
3595 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
3192 | } |
3596 | } |
3193 | } |
3597 | } |
3194 | |
3598 | |
3195 | noinline ecb_cold |
3599 | ecb_noinline ecb_cold |
3196 | static void |
3600 | static void |
3197 | array_verify (EV_P_ W *ws, int cnt) |
3601 | array_verify (EV_P_ W *ws, int cnt) |
3198 | { |
3602 | { |
3199 | while (cnt--) |
3603 | while (cnt--) |
3200 | { |
3604 | { |
… | |
… | |
3349 | count += pendingcnt [pri]; |
3753 | count += pendingcnt [pri]; |
3350 | |
3754 | |
3351 | return count; |
3755 | return count; |
3352 | } |
3756 | } |
3353 | |
3757 | |
3354 | noinline |
3758 | ecb_noinline |
3355 | void |
3759 | void |
3356 | ev_invoke_pending (EV_P) |
3760 | ev_invoke_pending (EV_P) |
3357 | { |
3761 | { |
3358 | pendingpri = NUMPRI; |
3762 | pendingpri = NUMPRI; |
3359 | |
3763 | |
… | |
… | |
3378 | /* make idle watchers pending. this handles the "call-idle */ |
3782 | /* make idle watchers pending. this handles the "call-idle */ |
3379 | /* only when higher priorities are idle" logic */ |
3783 | /* only when higher priorities are idle" logic */ |
3380 | inline_size void |
3784 | inline_size void |
3381 | idle_reify (EV_P) |
3785 | idle_reify (EV_P) |
3382 | { |
3786 | { |
3383 | if (expect_false (idleall)) |
3787 | if (ecb_expect_false (idleall)) |
3384 | { |
3788 | { |
3385 | int pri; |
3789 | int pri; |
3386 | |
3790 | |
3387 | for (pri = NUMPRI; pri--; ) |
3791 | for (pri = NUMPRI; pri--; ) |
3388 | { |
3792 | { |
… | |
… | |
3418 | { |
3822 | { |
3419 | ev_at (w) += w->repeat; |
3823 | ev_at (w) += w->repeat; |
3420 | if (ev_at (w) < mn_now) |
3824 | if (ev_at (w) < mn_now) |
3421 | ev_at (w) = mn_now; |
3825 | ev_at (w) = mn_now; |
3422 | |
3826 | |
3423 | 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.))); |
3424 | |
3828 | |
3425 | ANHE_at_cache (timers [HEAP0]); |
3829 | ANHE_at_cache (timers [HEAP0]); |
3426 | downheap (timers, timercnt, HEAP0); |
3830 | downheap (timers, timercnt, HEAP0); |
3427 | } |
3831 | } |
3428 | else |
3832 | else |
… | |
… | |
3437 | } |
3841 | } |
3438 | } |
3842 | } |
3439 | |
3843 | |
3440 | #if EV_PERIODIC_ENABLE |
3844 | #if EV_PERIODIC_ENABLE |
3441 | |
3845 | |
3442 | noinline |
3846 | ecb_noinline |
3443 | static void |
3847 | static void |
3444 | periodic_recalc (EV_P_ ev_periodic *w) |
3848 | periodic_recalc (EV_P_ ev_periodic *w) |
3445 | { |
3849 | { |
3446 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
3850 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
3447 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
3851 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
… | |
… | |
3450 | while (at <= ev_rt_now) |
3854 | while (at <= ev_rt_now) |
3451 | { |
3855 | { |
3452 | ev_tstamp nat = at + w->interval; |
3856 | ev_tstamp nat = at + w->interval; |
3453 | |
3857 | |
3454 | /* when resolution fails us, we use ev_rt_now */ |
3858 | /* when resolution fails us, we use ev_rt_now */ |
3455 | if (expect_false (nat == at)) |
3859 | if (ecb_expect_false (nat == at)) |
3456 | { |
3860 | { |
3457 | at = ev_rt_now; |
3861 | at = ev_rt_now; |
3458 | break; |
3862 | break; |
3459 | } |
3863 | } |
3460 | |
3864 | |
… | |
… | |
3506 | } |
3910 | } |
3507 | } |
3911 | } |
3508 | |
3912 | |
3509 | /* simply recalculate all periodics */ |
3913 | /* simply recalculate all periodics */ |
3510 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
3914 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
3511 | noinline ecb_cold |
3915 | ecb_noinline ecb_cold |
3512 | static void |
3916 | static void |
3513 | periodics_reschedule (EV_P) |
3917 | periodics_reschedule (EV_P) |
3514 | { |
3918 | { |
3515 | int i; |
3919 | int i; |
3516 | |
3920 | |
… | |
… | |
3530 | reheap (periodics, periodiccnt); |
3934 | reheap (periodics, periodiccnt); |
3531 | } |
3935 | } |
3532 | #endif |
3936 | #endif |
3533 | |
3937 | |
3534 | /* adjust all timers by a given offset */ |
3938 | /* adjust all timers by a given offset */ |
3535 | noinline ecb_cold |
3939 | ecb_noinline ecb_cold |
3536 | static void |
3940 | static void |
3537 | timers_reschedule (EV_P_ ev_tstamp adjust) |
3941 | timers_reschedule (EV_P_ ev_tstamp adjust) |
3538 | { |
3942 | { |
3539 | int i; |
3943 | int i; |
3540 | |
3944 | |
… | |
… | |
3550 | /* also detect if there was a timejump, and act accordingly */ |
3954 | /* also detect if there was a timejump, and act accordingly */ |
3551 | inline_speed void |
3955 | inline_speed void |
3552 | time_update (EV_P_ ev_tstamp max_block) |
3956 | time_update (EV_P_ ev_tstamp max_block) |
3553 | { |
3957 | { |
3554 | #if EV_USE_MONOTONIC |
3958 | #if EV_USE_MONOTONIC |
3555 | if (expect_true (have_monotonic)) |
3959 | if (ecb_expect_true (have_monotonic)) |
3556 | { |
3960 | { |
3557 | int i; |
3961 | int i; |
3558 | ev_tstamp odiff = rtmn_diff; |
3962 | ev_tstamp odiff = rtmn_diff; |
3559 | |
3963 | |
3560 | mn_now = get_clock (); |
3964 | mn_now = get_clock (); |
3561 | |
3965 | |
3562 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
3966 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
3563 | /* interpolate in the meantime */ |
3967 | /* interpolate in the meantime */ |
3564 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
3968 | if (ecb_expect_true (mn_now - now_floor < EV_TS_CONST (MIN_TIMEJUMP * .5))) |
3565 | { |
3969 | { |
3566 | ev_rt_now = rtmn_diff + mn_now; |
3970 | ev_rt_now = rtmn_diff + mn_now; |
3567 | return; |
3971 | return; |
3568 | } |
3972 | } |
3569 | |
3973 | |
… | |
… | |
3583 | ev_tstamp diff; |
3987 | ev_tstamp diff; |
3584 | rtmn_diff = ev_rt_now - mn_now; |
3988 | rtmn_diff = ev_rt_now - mn_now; |
3585 | |
3989 | |
3586 | diff = odiff - rtmn_diff; |
3990 | diff = odiff - rtmn_diff; |
3587 | |
3991 | |
3588 | if (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))) |
3589 | return; /* all is well */ |
3993 | return; /* all is well */ |
3590 | |
3994 | |
3591 | ev_rt_now = ev_time (); |
3995 | ev_rt_now = ev_time (); |
3592 | mn_now = get_clock (); |
3996 | mn_now = get_clock (); |
3593 | now_floor = mn_now; |
3997 | now_floor = mn_now; |
… | |
… | |
3602 | else |
4006 | else |
3603 | #endif |
4007 | #endif |
3604 | { |
4008 | { |
3605 | ev_rt_now = ev_time (); |
4009 | ev_rt_now = ev_time (); |
3606 | |
4010 | |
3607 | if (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))) |
3608 | { |
4012 | { |
3609 | /* 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 */ |
3610 | timers_reschedule (EV_A_ ev_rt_now - mn_now); |
4014 | timers_reschedule (EV_A_ ev_rt_now - mn_now); |
3611 | #if EV_PERIODIC_ENABLE |
4015 | #if EV_PERIODIC_ENABLE |
3612 | periodics_reschedule (EV_A); |
4016 | periodics_reschedule (EV_A); |
… | |
… | |
3635 | #if EV_VERIFY >= 2 |
4039 | #if EV_VERIFY >= 2 |
3636 | ev_verify (EV_A); |
4040 | ev_verify (EV_A); |
3637 | #endif |
4041 | #endif |
3638 | |
4042 | |
3639 | #ifndef _WIN32 |
4043 | #ifndef _WIN32 |
3640 | if (expect_false (curpid)) /* penalise the forking check even more */ |
4044 | if (ecb_expect_false (curpid)) /* penalise the forking check even more */ |
3641 | if (expect_false (getpid () != curpid)) |
4045 | if (ecb_expect_false (getpid () != curpid)) |
3642 | { |
4046 | { |
3643 | curpid = getpid (); |
4047 | curpid = getpid (); |
3644 | postfork = 1; |
4048 | postfork = 1; |
3645 | } |
4049 | } |
3646 | #endif |
4050 | #endif |
3647 | |
4051 | |
3648 | #if EV_FORK_ENABLE |
4052 | #if EV_FORK_ENABLE |
3649 | /* we might have forked, so queue fork handlers */ |
4053 | /* we might have forked, so queue fork handlers */ |
3650 | if (expect_false (postfork)) |
4054 | if (ecb_expect_false (postfork)) |
3651 | if (forkcnt) |
4055 | if (forkcnt) |
3652 | { |
4056 | { |
3653 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
4057 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
3654 | EV_INVOKE_PENDING; |
4058 | EV_INVOKE_PENDING; |
3655 | } |
4059 | } |
3656 | #endif |
4060 | #endif |
3657 | |
4061 | |
3658 | #if EV_PREPARE_ENABLE |
4062 | #if EV_PREPARE_ENABLE |
3659 | /* queue prepare watchers (and execute them) */ |
4063 | /* queue prepare watchers (and execute them) */ |
3660 | if (expect_false (preparecnt)) |
4064 | if (ecb_expect_false (preparecnt)) |
3661 | { |
4065 | { |
3662 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
4066 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
3663 | EV_INVOKE_PENDING; |
4067 | EV_INVOKE_PENDING; |
3664 | } |
4068 | } |
3665 | #endif |
4069 | #endif |
3666 | |
4070 | |
3667 | if (expect_false (loop_done)) |
4071 | if (ecb_expect_false (loop_done)) |
3668 | break; |
4072 | break; |
3669 | |
4073 | |
3670 | /* we might have forked, so reify kernel state if necessary */ |
4074 | /* we might have forked, so reify kernel state if necessary */ |
3671 | if (expect_false (postfork)) |
4075 | if (ecb_expect_false (postfork)) |
3672 | loop_fork (EV_A); |
4076 | loop_fork (EV_A); |
3673 | |
4077 | |
3674 | /* update fd-related kernel structures */ |
4078 | /* update fd-related kernel structures */ |
3675 | fd_reify (EV_A); |
4079 | fd_reify (EV_A); |
3676 | |
4080 | |
… | |
… | |
3681 | |
4085 | |
3682 | /* remember old timestamp for io_blocktime calculation */ |
4086 | /* remember old timestamp for io_blocktime calculation */ |
3683 | ev_tstamp prev_mn_now = mn_now; |
4087 | ev_tstamp prev_mn_now = mn_now; |
3684 | |
4088 | |
3685 | /* update time to cancel out callback processing overhead */ |
4089 | /* update time to cancel out callback processing overhead */ |
3686 | time_update (EV_A_ 1e100); |
4090 | time_update (EV_A_ EV_TS_CONST (EV_TSTAMP_HUGE)); |
3687 | |
4091 | |
3688 | /* from now on, we want a pipe-wake-up */ |
4092 | /* from now on, we want a pipe-wake-up */ |
3689 | pipe_write_wanted = 1; |
4093 | pipe_write_wanted = 1; |
3690 | |
4094 | |
3691 | 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 */ |
3692 | |
4096 | |
3693 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) |
4097 | if (ecb_expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) |
3694 | { |
4098 | { |
3695 | 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 |
3696 | |
4116 | |
3697 | if (timercnt) |
4117 | if (timercnt) |
3698 | { |
4118 | { |
3699 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now; |
4119 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now; |
3700 | if (waittime > to) waittime = to; |
4120 | if (waittime > to) waittime = to; |
… | |
… | |
3707 | if (waittime > to) waittime = to; |
4127 | if (waittime > to) waittime = to; |
3708 | } |
4128 | } |
3709 | #endif |
4129 | #endif |
3710 | |
4130 | |
3711 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
4131 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
3712 | if (expect_false (waittime < timeout_blocktime)) |
4132 | if (ecb_expect_false (waittime < timeout_blocktime)) |
3713 | waittime = timeout_blocktime; |
4133 | waittime = timeout_blocktime; |
3714 | |
4134 | |
3715 | /* at this point, we NEED to wait, so we have to ensure */ |
4135 | /* now there are two more special cases left, either we have |
3716 | /* 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 | */ |
3717 | if (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.) |
3718 | waittime = backend_mintime; |
4143 | : backend_mintime; |
3719 | |
4144 | |
3720 | /* extra check because io_blocktime is commonly 0 */ |
4145 | /* extra check because io_blocktime is commonly 0 */ |
3721 | if (expect_false (io_blocktime)) |
4146 | if (ecb_expect_false (io_blocktime)) |
3722 | { |
4147 | { |
3723 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
4148 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
3724 | |
4149 | |
3725 | if (sleeptime > waittime - backend_mintime) |
4150 | if (sleeptime > waittime - backend_mintime) |
3726 | sleeptime = waittime - backend_mintime; |
4151 | sleeptime = waittime - backend_mintime; |
3727 | |
4152 | |
3728 | if (expect_true (sleeptime > 0.)) |
4153 | if (ecb_expect_true (sleeptime > EV_TS_CONST (0.))) |
3729 | { |
4154 | { |
3730 | ev_sleep (sleeptime); |
4155 | ev_sleep (sleeptime); |
3731 | waittime -= sleeptime; |
4156 | waittime -= sleeptime; |
3732 | } |
4157 | } |
3733 | } |
4158 | } |
… | |
… | |
3747 | { |
4172 | { |
3748 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
4173 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
3749 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
4174 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
3750 | } |
4175 | } |
3751 | |
4176 | |
3752 | |
|
|
3753 | /* update ev_rt_now, do magic */ |
4177 | /* update ev_rt_now, do magic */ |
3754 | time_update (EV_A_ waittime + sleeptime); |
4178 | time_update (EV_A_ waittime + sleeptime); |
3755 | } |
4179 | } |
3756 | |
4180 | |
3757 | /* queue pending timers and reschedule them */ |
4181 | /* queue pending timers and reschedule them */ |
… | |
… | |
3765 | idle_reify (EV_A); |
4189 | idle_reify (EV_A); |
3766 | #endif |
4190 | #endif |
3767 | |
4191 | |
3768 | #if EV_CHECK_ENABLE |
4192 | #if EV_CHECK_ENABLE |
3769 | /* queue check watchers, to be executed first */ |
4193 | /* queue check watchers, to be executed first */ |
3770 | if (expect_false (checkcnt)) |
4194 | if (ecb_expect_false (checkcnt)) |
3771 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
4195 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
3772 | #endif |
4196 | #endif |
3773 | |
4197 | |
3774 | EV_INVOKE_PENDING; |
4198 | EV_INVOKE_PENDING; |
3775 | } |
4199 | } |
3776 | while (expect_true ( |
4200 | while (ecb_expect_true ( |
3777 | activecnt |
4201 | activecnt |
3778 | && !loop_done |
4202 | && !loop_done |
3779 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
4203 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
3780 | )); |
4204 | )); |
3781 | |
4205 | |
… | |
… | |
3808 | } |
4232 | } |
3809 | |
4233 | |
3810 | void |
4234 | void |
3811 | ev_now_update (EV_P) EV_NOEXCEPT |
4235 | ev_now_update (EV_P) EV_NOEXCEPT |
3812 | { |
4236 | { |
3813 | time_update (EV_A_ 1e100); |
4237 | time_update (EV_A_ EV_TSTAMP_HUGE); |
3814 | } |
4238 | } |
3815 | |
4239 | |
3816 | void |
4240 | void |
3817 | ev_suspend (EV_P) EV_NOEXCEPT |
4241 | ev_suspend (EV_P) EV_NOEXCEPT |
3818 | { |
4242 | { |
… | |
… | |
3845 | inline_size void |
4269 | inline_size void |
3846 | wlist_del (WL *head, WL elem) |
4270 | wlist_del (WL *head, WL elem) |
3847 | { |
4271 | { |
3848 | while (*head) |
4272 | while (*head) |
3849 | { |
4273 | { |
3850 | if (expect_true (*head == elem)) |
4274 | if (ecb_expect_true (*head == elem)) |
3851 | { |
4275 | { |
3852 | *head = elem->next; |
4276 | *head = elem->next; |
3853 | break; |
4277 | break; |
3854 | } |
4278 | } |
3855 | |
4279 | |
… | |
… | |
3872 | ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT |
4296 | ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT |
3873 | { |
4297 | { |
3874 | W w_ = (W)w; |
4298 | W w_ = (W)w; |
3875 | int pending = w_->pending; |
4299 | int pending = w_->pending; |
3876 | |
4300 | |
3877 | if (expect_true (pending)) |
4301 | if (ecb_expect_true (pending)) |
3878 | { |
4302 | { |
3879 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
4303 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
3880 | p->w = (W)&pending_w; |
4304 | p->w = (W)&pending_w; |
3881 | w_->pending = 0; |
4305 | w_->pending = 0; |
3882 | return p->events; |
4306 | return p->events; |
… | |
… | |
3909 | w->active = 0; |
4333 | w->active = 0; |
3910 | } |
4334 | } |
3911 | |
4335 | |
3912 | /*****************************************************************************/ |
4336 | /*****************************************************************************/ |
3913 | |
4337 | |
3914 | noinline |
4338 | ecb_noinline |
3915 | void |
4339 | void |
3916 | ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT |
4340 | ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT |
3917 | { |
4341 | { |
3918 | int fd = w->fd; |
4342 | int fd = w->fd; |
3919 | |
4343 | |
3920 | if (expect_false (ev_is_active (w))) |
4344 | if (ecb_expect_false (ev_is_active (w))) |
3921 | return; |
4345 | return; |
3922 | |
4346 | |
3923 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
4347 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
3924 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
4348 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
3925 | |
4349 | |
|
|
4350 | #if EV_VERIFY >= 2 |
|
|
4351 | assert (("libev: ev_io_start called on watcher with invalid fd", fd_valid (fd))); |
|
|
4352 | #endif |
3926 | EV_FREQUENT_CHECK; |
4353 | EV_FREQUENT_CHECK; |
3927 | |
4354 | |
3928 | ev_start (EV_A_ (W)w, 1); |
4355 | ev_start (EV_A_ (W)w, 1); |
3929 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill); |
4356 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill); |
3930 | wlist_add (&anfds[fd].head, (WL)w); |
4357 | wlist_add (&anfds[fd].head, (WL)w); |
… | |
… | |
3936 | w->events &= ~EV__IOFDSET; |
4363 | w->events &= ~EV__IOFDSET; |
3937 | |
4364 | |
3938 | EV_FREQUENT_CHECK; |
4365 | EV_FREQUENT_CHECK; |
3939 | } |
4366 | } |
3940 | |
4367 | |
3941 | noinline |
4368 | ecb_noinline |
3942 | void |
4369 | void |
3943 | ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT |
4370 | ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT |
3944 | { |
4371 | { |
3945 | clear_pending (EV_A_ (W)w); |
4372 | clear_pending (EV_A_ (W)w); |
3946 | if (expect_false (!ev_is_active (w))) |
4373 | if (ecb_expect_false (!ev_is_active (w))) |
3947 | return; |
4374 | return; |
3948 | |
4375 | |
3949 | assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
4376 | assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
3950 | |
4377 | |
|
|
4378 | #if EV_VERIFY >= 2 |
|
|
4379 | assert (("libev: ev_io_stop called on watcher with invalid fd", fd_valid (w->fd))); |
|
|
4380 | #endif |
3951 | EV_FREQUENT_CHECK; |
4381 | EV_FREQUENT_CHECK; |
3952 | |
4382 | |
3953 | wlist_del (&anfds[w->fd].head, (WL)w); |
4383 | wlist_del (&anfds[w->fd].head, (WL)w); |
3954 | ev_stop (EV_A_ (W)w); |
4384 | ev_stop (EV_A_ (W)w); |
3955 | |
4385 | |
3956 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
4386 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
3957 | |
4387 | |
3958 | EV_FREQUENT_CHECK; |
4388 | EV_FREQUENT_CHECK; |
3959 | } |
4389 | } |
3960 | |
4390 | |
3961 | noinline |
4391 | ecb_noinline |
3962 | void |
4392 | void |
3963 | ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT |
4393 | ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT |
3964 | { |
4394 | { |
3965 | if (expect_false (ev_is_active (w))) |
4395 | if (ecb_expect_false (ev_is_active (w))) |
3966 | return; |
4396 | return; |
3967 | |
4397 | |
3968 | ev_at (w) += mn_now; |
4398 | ev_at (w) += mn_now; |
3969 | |
4399 | |
3970 | assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
4400 | assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
… | |
… | |
3981 | EV_FREQUENT_CHECK; |
4411 | EV_FREQUENT_CHECK; |
3982 | |
4412 | |
3983 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
4413 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
3984 | } |
4414 | } |
3985 | |
4415 | |
3986 | noinline |
4416 | ecb_noinline |
3987 | void |
4417 | void |
3988 | ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT |
4418 | ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT |
3989 | { |
4419 | { |
3990 | clear_pending (EV_A_ (W)w); |
4420 | clear_pending (EV_A_ (W)w); |
3991 | if (expect_false (!ev_is_active (w))) |
4421 | if (ecb_expect_false (!ev_is_active (w))) |
3992 | return; |
4422 | return; |
3993 | |
4423 | |
3994 | EV_FREQUENT_CHECK; |
4424 | EV_FREQUENT_CHECK; |
3995 | |
4425 | |
3996 | { |
4426 | { |
… | |
… | |
3998 | |
4428 | |
3999 | assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
4429 | assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
4000 | |
4430 | |
4001 | --timercnt; |
4431 | --timercnt; |
4002 | |
4432 | |
4003 | if (expect_true (active < timercnt + HEAP0)) |
4433 | if (ecb_expect_true (active < timercnt + HEAP0)) |
4004 | { |
4434 | { |
4005 | timers [active] = timers [timercnt + HEAP0]; |
4435 | timers [active] = timers [timercnt + HEAP0]; |
4006 | adjustheap (timers, timercnt, active); |
4436 | adjustheap (timers, timercnt, active); |
4007 | } |
4437 | } |
4008 | } |
4438 | } |
… | |
… | |
4012 | ev_stop (EV_A_ (W)w); |
4442 | ev_stop (EV_A_ (W)w); |
4013 | |
4443 | |
4014 | EV_FREQUENT_CHECK; |
4444 | EV_FREQUENT_CHECK; |
4015 | } |
4445 | } |
4016 | |
4446 | |
4017 | noinline |
4447 | ecb_noinline |
4018 | void |
4448 | void |
4019 | ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT |
4449 | ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT |
4020 | { |
4450 | { |
4021 | EV_FREQUENT_CHECK; |
4451 | EV_FREQUENT_CHECK; |
4022 | |
4452 | |
… | |
… | |
4043 | } |
4473 | } |
4044 | |
4474 | |
4045 | ev_tstamp |
4475 | ev_tstamp |
4046 | ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT |
4476 | ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT |
4047 | { |
4477 | { |
4048 | 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.)); |
4049 | } |
4479 | } |
4050 | |
4480 | |
4051 | #if EV_PERIODIC_ENABLE |
4481 | #if EV_PERIODIC_ENABLE |
4052 | noinline |
4482 | ecb_noinline |
4053 | void |
4483 | void |
4054 | ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4484 | ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4055 | { |
4485 | { |
4056 | if (expect_false (ev_is_active (w))) |
4486 | if (ecb_expect_false (ev_is_active (w))) |
4057 | return; |
4487 | return; |
|
|
4488 | |
|
|
4489 | #if EV_USE_TIMERFD |
|
|
4490 | if (timerfd == -2) |
|
|
4491 | evtimerfd_init (EV_A); |
|
|
4492 | #endif |
4058 | |
4493 | |
4059 | if (w->reschedule_cb) |
4494 | if (w->reschedule_cb) |
4060 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
4495 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
4061 | else if (w->interval) |
4496 | else if (w->interval) |
4062 | { |
4497 | { |
… | |
… | |
4078 | EV_FREQUENT_CHECK; |
4513 | EV_FREQUENT_CHECK; |
4079 | |
4514 | |
4080 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
4515 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
4081 | } |
4516 | } |
4082 | |
4517 | |
4083 | noinline |
4518 | ecb_noinline |
4084 | void |
4519 | void |
4085 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4520 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4086 | { |
4521 | { |
4087 | clear_pending (EV_A_ (W)w); |
4522 | clear_pending (EV_A_ (W)w); |
4088 | if (expect_false (!ev_is_active (w))) |
4523 | if (ecb_expect_false (!ev_is_active (w))) |
4089 | return; |
4524 | return; |
4090 | |
4525 | |
4091 | EV_FREQUENT_CHECK; |
4526 | EV_FREQUENT_CHECK; |
4092 | |
4527 | |
4093 | { |
4528 | { |
… | |
… | |
4095 | |
4530 | |
4096 | assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
4531 | assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
4097 | |
4532 | |
4098 | --periodiccnt; |
4533 | --periodiccnt; |
4099 | |
4534 | |
4100 | if (expect_true (active < periodiccnt + HEAP0)) |
4535 | if (ecb_expect_true (active < periodiccnt + HEAP0)) |
4101 | { |
4536 | { |
4102 | periodics [active] = periodics [periodiccnt + HEAP0]; |
4537 | periodics [active] = periodics [periodiccnt + HEAP0]; |
4103 | adjustheap (periodics, periodiccnt, active); |
4538 | adjustheap (periodics, periodiccnt, active); |
4104 | } |
4539 | } |
4105 | } |
4540 | } |
… | |
… | |
4107 | ev_stop (EV_A_ (W)w); |
4542 | ev_stop (EV_A_ (W)w); |
4108 | |
4543 | |
4109 | EV_FREQUENT_CHECK; |
4544 | EV_FREQUENT_CHECK; |
4110 | } |
4545 | } |
4111 | |
4546 | |
4112 | noinline |
4547 | ecb_noinline |
4113 | void |
4548 | void |
4114 | ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4549 | ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4115 | { |
4550 | { |
4116 | /* TODO: use adjustheap and recalculation */ |
4551 | /* TODO: use adjustheap and recalculation */ |
4117 | ev_periodic_stop (EV_A_ w); |
4552 | ev_periodic_stop (EV_A_ w); |
… | |
… | |
4123 | # define SA_RESTART 0 |
4558 | # define SA_RESTART 0 |
4124 | #endif |
4559 | #endif |
4125 | |
4560 | |
4126 | #if EV_SIGNAL_ENABLE |
4561 | #if EV_SIGNAL_ENABLE |
4127 | |
4562 | |
4128 | noinline |
4563 | ecb_noinline |
4129 | void |
4564 | void |
4130 | ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT |
4565 | ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT |
4131 | { |
4566 | { |
4132 | if (expect_false (ev_is_active (w))) |
4567 | if (ecb_expect_false (ev_is_active (w))) |
4133 | return; |
4568 | return; |
4134 | |
4569 | |
4135 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
4570 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
4136 | |
4571 | |
4137 | #if EV_MULTIPLICITY |
4572 | #if EV_MULTIPLICITY |
… | |
… | |
4206 | } |
4641 | } |
4207 | |
4642 | |
4208 | EV_FREQUENT_CHECK; |
4643 | EV_FREQUENT_CHECK; |
4209 | } |
4644 | } |
4210 | |
4645 | |
4211 | noinline |
4646 | ecb_noinline |
4212 | void |
4647 | void |
4213 | ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT |
4648 | ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT |
4214 | { |
4649 | { |
4215 | clear_pending (EV_A_ (W)w); |
4650 | clear_pending (EV_A_ (W)w); |
4216 | if (expect_false (!ev_is_active (w))) |
4651 | if (ecb_expect_false (!ev_is_active (w))) |
4217 | return; |
4652 | return; |
4218 | |
4653 | |
4219 | EV_FREQUENT_CHECK; |
4654 | EV_FREQUENT_CHECK; |
4220 | |
4655 | |
4221 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
4656 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
… | |
… | |
4254 | ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT |
4689 | ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT |
4255 | { |
4690 | { |
4256 | #if EV_MULTIPLICITY |
4691 | #if EV_MULTIPLICITY |
4257 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
4692 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
4258 | #endif |
4693 | #endif |
4259 | if (expect_false (ev_is_active (w))) |
4694 | if (ecb_expect_false (ev_is_active (w))) |
4260 | return; |
4695 | return; |
4261 | |
4696 | |
4262 | EV_FREQUENT_CHECK; |
4697 | EV_FREQUENT_CHECK; |
4263 | |
4698 | |
4264 | ev_start (EV_A_ (W)w, 1); |
4699 | ev_start (EV_A_ (W)w, 1); |
… | |
… | |
4269 | |
4704 | |
4270 | void |
4705 | void |
4271 | ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT |
4706 | ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT |
4272 | { |
4707 | { |
4273 | clear_pending (EV_A_ (W)w); |
4708 | clear_pending (EV_A_ (W)w); |
4274 | if (expect_false (!ev_is_active (w))) |
4709 | if (ecb_expect_false (!ev_is_active (w))) |
4275 | return; |
4710 | return; |
4276 | |
4711 | |
4277 | EV_FREQUENT_CHECK; |
4712 | EV_FREQUENT_CHECK; |
4278 | |
4713 | |
4279 | wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
4714 | wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
… | |
… | |
4293 | |
4728 | |
4294 | #define DEF_STAT_INTERVAL 5.0074891 |
4729 | #define DEF_STAT_INTERVAL 5.0074891 |
4295 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
4730 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
4296 | #define MIN_STAT_INTERVAL 0.1074891 |
4731 | #define MIN_STAT_INTERVAL 0.1074891 |
4297 | |
4732 | |
4298 | noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
4733 | ecb_noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
4299 | |
4734 | |
4300 | #if EV_USE_INOTIFY |
4735 | #if EV_USE_INOTIFY |
4301 | |
4736 | |
4302 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
4737 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
4303 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
4738 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
4304 | |
4739 | |
4305 | noinline |
4740 | ecb_noinline |
4306 | static void |
4741 | static void |
4307 | infy_add (EV_P_ ev_stat *w) |
4742 | infy_add (EV_P_ ev_stat *w) |
4308 | { |
4743 | { |
4309 | w->wd = inotify_add_watch (fs_fd, w->path, |
4744 | w->wd = inotify_add_watch (fs_fd, w->path, |
4310 | IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY |
4745 | IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY |
… | |
… | |
4375 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
4810 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
4376 | ev_timer_again (EV_A_ &w->timer); |
4811 | ev_timer_again (EV_A_ &w->timer); |
4377 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
4812 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
4378 | } |
4813 | } |
4379 | |
4814 | |
4380 | noinline |
4815 | ecb_noinline |
4381 | static void |
4816 | static void |
4382 | infy_del (EV_P_ ev_stat *w) |
4817 | infy_del (EV_P_ ev_stat *w) |
4383 | { |
4818 | { |
4384 | int slot; |
4819 | int slot; |
4385 | int wd = w->wd; |
4820 | int wd = w->wd; |
… | |
… | |
4393 | |
4828 | |
4394 | /* remove this watcher, if others are watching it, they will rearm */ |
4829 | /* remove this watcher, if others are watching it, they will rearm */ |
4395 | inotify_rm_watch (fs_fd, wd); |
4830 | inotify_rm_watch (fs_fd, wd); |
4396 | } |
4831 | } |
4397 | |
4832 | |
4398 | noinline |
4833 | ecb_noinline |
4399 | static void |
4834 | static void |
4400 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
4835 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
4401 | { |
4836 | { |
4402 | if (slot < 0) |
4837 | if (slot < 0) |
4403 | /* overflow, need to check for all hash slots */ |
4838 | /* overflow, need to check for all hash slots */ |
… | |
… | |
4549 | w->attr.st_nlink = 0; |
4984 | w->attr.st_nlink = 0; |
4550 | else if (!w->attr.st_nlink) |
4985 | else if (!w->attr.st_nlink) |
4551 | w->attr.st_nlink = 1; |
4986 | w->attr.st_nlink = 1; |
4552 | } |
4987 | } |
4553 | |
4988 | |
4554 | noinline |
4989 | ecb_noinline |
4555 | static void |
4990 | static void |
4556 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
4991 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
4557 | { |
4992 | { |
4558 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
4993 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
4559 | |
4994 | |
… | |
… | |
4593 | } |
5028 | } |
4594 | |
5029 | |
4595 | void |
5030 | void |
4596 | ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT |
5031 | ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT |
4597 | { |
5032 | { |
4598 | if (expect_false (ev_is_active (w))) |
5033 | if (ecb_expect_false (ev_is_active (w))) |
4599 | return; |
5034 | return; |
4600 | |
5035 | |
4601 | ev_stat_stat (EV_A_ w); |
5036 | ev_stat_stat (EV_A_ w); |
4602 | |
5037 | |
4603 | if (w->interval < MIN_STAT_INTERVAL && w->interval) |
5038 | if (w->interval < MIN_STAT_INTERVAL && w->interval) |
… | |
… | |
4625 | |
5060 | |
4626 | void |
5061 | void |
4627 | ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT |
5062 | ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT |
4628 | { |
5063 | { |
4629 | clear_pending (EV_A_ (W)w); |
5064 | clear_pending (EV_A_ (W)w); |
4630 | if (expect_false (!ev_is_active (w))) |
5065 | if (ecb_expect_false (!ev_is_active (w))) |
4631 | return; |
5066 | return; |
4632 | |
5067 | |
4633 | EV_FREQUENT_CHECK; |
5068 | EV_FREQUENT_CHECK; |
4634 | |
5069 | |
4635 | #if EV_USE_INOTIFY |
5070 | #if EV_USE_INOTIFY |
… | |
… | |
4650 | |
5085 | |
4651 | #if EV_IDLE_ENABLE |
5086 | #if EV_IDLE_ENABLE |
4652 | void |
5087 | void |
4653 | ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT |
5088 | ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT |
4654 | { |
5089 | { |
4655 | if (expect_false (ev_is_active (w))) |
5090 | if (ecb_expect_false (ev_is_active (w))) |
4656 | return; |
5091 | return; |
4657 | |
5092 | |
4658 | pri_adjust (EV_A_ (W)w); |
5093 | pri_adjust (EV_A_ (W)w); |
4659 | |
5094 | |
4660 | EV_FREQUENT_CHECK; |
5095 | EV_FREQUENT_CHECK; |
… | |
… | |
4674 | |
5109 | |
4675 | void |
5110 | void |
4676 | ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT |
5111 | ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT |
4677 | { |
5112 | { |
4678 | clear_pending (EV_A_ (W)w); |
5113 | clear_pending (EV_A_ (W)w); |
4679 | if (expect_false (!ev_is_active (w))) |
5114 | if (ecb_expect_false (!ev_is_active (w))) |
4680 | return; |
5115 | return; |
4681 | |
5116 | |
4682 | EV_FREQUENT_CHECK; |
5117 | EV_FREQUENT_CHECK; |
4683 | |
5118 | |
4684 | { |
5119 | { |
… | |
… | |
4697 | |
5132 | |
4698 | #if EV_PREPARE_ENABLE |
5133 | #if EV_PREPARE_ENABLE |
4699 | void |
5134 | void |
4700 | ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT |
5135 | ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT |
4701 | { |
5136 | { |
4702 | if (expect_false (ev_is_active (w))) |
5137 | if (ecb_expect_false (ev_is_active (w))) |
4703 | return; |
5138 | return; |
4704 | |
5139 | |
4705 | EV_FREQUENT_CHECK; |
5140 | EV_FREQUENT_CHECK; |
4706 | |
5141 | |
4707 | ev_start (EV_A_ (W)w, ++preparecnt); |
5142 | ev_start (EV_A_ (W)w, ++preparecnt); |
… | |
… | |
4713 | |
5148 | |
4714 | void |
5149 | void |
4715 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT |
5150 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT |
4716 | { |
5151 | { |
4717 | clear_pending (EV_A_ (W)w); |
5152 | clear_pending (EV_A_ (W)w); |
4718 | if (expect_false (!ev_is_active (w))) |
5153 | if (ecb_expect_false (!ev_is_active (w))) |
4719 | return; |
5154 | return; |
4720 | |
5155 | |
4721 | EV_FREQUENT_CHECK; |
5156 | EV_FREQUENT_CHECK; |
4722 | |
5157 | |
4723 | { |
5158 | { |
… | |
… | |
4735 | |
5170 | |
4736 | #if EV_CHECK_ENABLE |
5171 | #if EV_CHECK_ENABLE |
4737 | void |
5172 | void |
4738 | ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT |
5173 | ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT |
4739 | { |
5174 | { |
4740 | if (expect_false (ev_is_active (w))) |
5175 | if (ecb_expect_false (ev_is_active (w))) |
4741 | return; |
5176 | return; |
4742 | |
5177 | |
4743 | EV_FREQUENT_CHECK; |
5178 | EV_FREQUENT_CHECK; |
4744 | |
5179 | |
4745 | ev_start (EV_A_ (W)w, ++checkcnt); |
5180 | ev_start (EV_A_ (W)w, ++checkcnt); |
… | |
… | |
4751 | |
5186 | |
4752 | void |
5187 | void |
4753 | ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT |
5188 | ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT |
4754 | { |
5189 | { |
4755 | clear_pending (EV_A_ (W)w); |
5190 | clear_pending (EV_A_ (W)w); |
4756 | if (expect_false (!ev_is_active (w))) |
5191 | if (ecb_expect_false (!ev_is_active (w))) |
4757 | return; |
5192 | return; |
4758 | |
5193 | |
4759 | EV_FREQUENT_CHECK; |
5194 | EV_FREQUENT_CHECK; |
4760 | |
5195 | |
4761 | { |
5196 | { |
… | |
… | |
4770 | EV_FREQUENT_CHECK; |
5205 | EV_FREQUENT_CHECK; |
4771 | } |
5206 | } |
4772 | #endif |
5207 | #endif |
4773 | |
5208 | |
4774 | #if EV_EMBED_ENABLE |
5209 | #if EV_EMBED_ENABLE |
4775 | noinline |
5210 | ecb_noinline |
4776 | void |
5211 | void |
4777 | ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT |
5212 | ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT |
4778 | { |
5213 | { |
4779 | ev_run (w->other, EVRUN_NOWAIT); |
5214 | ev_run (w->other, EVRUN_NOWAIT); |
4780 | } |
5215 | } |
… | |
… | |
4804 | ev_run (EV_A_ EVRUN_NOWAIT); |
5239 | ev_run (EV_A_ EVRUN_NOWAIT); |
4805 | } |
5240 | } |
4806 | } |
5241 | } |
4807 | } |
5242 | } |
4808 | |
5243 | |
|
|
5244 | #if EV_FORK_ENABLE |
4809 | static void |
5245 | static void |
4810 | embed_fork_cb (EV_P_ ev_fork *fork_w, int revents) |
5246 | embed_fork_cb (EV_P_ ev_fork *fork_w, int revents) |
4811 | { |
5247 | { |
4812 | 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)); |
4813 | |
5249 | |
… | |
… | |
4820 | ev_run (EV_A_ EVRUN_NOWAIT); |
5256 | ev_run (EV_A_ EVRUN_NOWAIT); |
4821 | } |
5257 | } |
4822 | |
5258 | |
4823 | ev_embed_start (EV_A_ w); |
5259 | ev_embed_start (EV_A_ w); |
4824 | } |
5260 | } |
|
|
5261 | #endif |
4825 | |
5262 | |
4826 | #if 0 |
5263 | #if 0 |
4827 | static void |
5264 | static void |
4828 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
5265 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
4829 | { |
5266 | { |
… | |
… | |
4832 | #endif |
5269 | #endif |
4833 | |
5270 | |
4834 | void |
5271 | void |
4835 | ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT |
5272 | ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT |
4836 | { |
5273 | { |
4837 | if (expect_false (ev_is_active (w))) |
5274 | if (ecb_expect_false (ev_is_active (w))) |
4838 | return; |
5275 | return; |
4839 | |
5276 | |
4840 | { |
5277 | { |
4841 | EV_P = w->other; |
5278 | EV_P = w->other; |
4842 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
5279 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
… | |
… | |
4850 | |
5287 | |
4851 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
5288 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
4852 | ev_set_priority (&w->prepare, EV_MINPRI); |
5289 | ev_set_priority (&w->prepare, EV_MINPRI); |
4853 | ev_prepare_start (EV_A_ &w->prepare); |
5290 | ev_prepare_start (EV_A_ &w->prepare); |
4854 | |
5291 | |
|
|
5292 | #if EV_FORK_ENABLE |
4855 | ev_fork_init (&w->fork, embed_fork_cb); |
5293 | ev_fork_init (&w->fork, embed_fork_cb); |
4856 | ev_fork_start (EV_A_ &w->fork); |
5294 | ev_fork_start (EV_A_ &w->fork); |
|
|
5295 | #endif |
4857 | |
5296 | |
4858 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
5297 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
4859 | |
5298 | |
4860 | ev_start (EV_A_ (W)w, 1); |
5299 | ev_start (EV_A_ (W)w, 1); |
4861 | |
5300 | |
… | |
… | |
4864 | |
5303 | |
4865 | void |
5304 | void |
4866 | ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT |
5305 | ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT |
4867 | { |
5306 | { |
4868 | clear_pending (EV_A_ (W)w); |
5307 | clear_pending (EV_A_ (W)w); |
4869 | if (expect_false (!ev_is_active (w))) |
5308 | if (ecb_expect_false (!ev_is_active (w))) |
4870 | return; |
5309 | return; |
4871 | |
5310 | |
4872 | EV_FREQUENT_CHECK; |
5311 | EV_FREQUENT_CHECK; |
4873 | |
5312 | |
4874 | ev_io_stop (EV_A_ &w->io); |
5313 | ev_io_stop (EV_A_ &w->io); |
4875 | ev_prepare_stop (EV_A_ &w->prepare); |
5314 | ev_prepare_stop (EV_A_ &w->prepare); |
|
|
5315 | #if EV_FORK_ENABLE |
4876 | ev_fork_stop (EV_A_ &w->fork); |
5316 | ev_fork_stop (EV_A_ &w->fork); |
|
|
5317 | #endif |
4877 | |
5318 | |
4878 | ev_stop (EV_A_ (W)w); |
5319 | ev_stop (EV_A_ (W)w); |
4879 | |
5320 | |
4880 | EV_FREQUENT_CHECK; |
5321 | EV_FREQUENT_CHECK; |
4881 | } |
5322 | } |
… | |
… | |
4883 | |
5324 | |
4884 | #if EV_FORK_ENABLE |
5325 | #if EV_FORK_ENABLE |
4885 | void |
5326 | void |
4886 | ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT |
5327 | ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT |
4887 | { |
5328 | { |
4888 | if (expect_false (ev_is_active (w))) |
5329 | if (ecb_expect_false (ev_is_active (w))) |
4889 | return; |
5330 | return; |
4890 | |
5331 | |
4891 | EV_FREQUENT_CHECK; |
5332 | EV_FREQUENT_CHECK; |
4892 | |
5333 | |
4893 | ev_start (EV_A_ (W)w, ++forkcnt); |
5334 | ev_start (EV_A_ (W)w, ++forkcnt); |
… | |
… | |
4899 | |
5340 | |
4900 | void |
5341 | void |
4901 | ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT |
5342 | ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT |
4902 | { |
5343 | { |
4903 | clear_pending (EV_A_ (W)w); |
5344 | clear_pending (EV_A_ (W)w); |
4904 | if (expect_false (!ev_is_active (w))) |
5345 | if (ecb_expect_false (!ev_is_active (w))) |
4905 | return; |
5346 | return; |
4906 | |
5347 | |
4907 | EV_FREQUENT_CHECK; |
5348 | EV_FREQUENT_CHECK; |
4908 | |
5349 | |
4909 | { |
5350 | { |
… | |
… | |
4921 | |
5362 | |
4922 | #if EV_CLEANUP_ENABLE |
5363 | #if EV_CLEANUP_ENABLE |
4923 | void |
5364 | void |
4924 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
5365 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
4925 | { |
5366 | { |
4926 | if (expect_false (ev_is_active (w))) |
5367 | if (ecb_expect_false (ev_is_active (w))) |
4927 | return; |
5368 | return; |
4928 | |
5369 | |
4929 | EV_FREQUENT_CHECK; |
5370 | EV_FREQUENT_CHECK; |
4930 | |
5371 | |
4931 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
5372 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
… | |
… | |
4939 | |
5380 | |
4940 | void |
5381 | void |
4941 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
5382 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
4942 | { |
5383 | { |
4943 | clear_pending (EV_A_ (W)w); |
5384 | clear_pending (EV_A_ (W)w); |
4944 | if (expect_false (!ev_is_active (w))) |
5385 | if (ecb_expect_false (!ev_is_active (w))) |
4945 | return; |
5386 | return; |
4946 | |
5387 | |
4947 | EV_FREQUENT_CHECK; |
5388 | EV_FREQUENT_CHECK; |
4948 | ev_ref (EV_A); |
5389 | ev_ref (EV_A); |
4949 | |
5390 | |
… | |
… | |
4962 | |
5403 | |
4963 | #if EV_ASYNC_ENABLE |
5404 | #if EV_ASYNC_ENABLE |
4964 | void |
5405 | void |
4965 | ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT |
5406 | ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT |
4966 | { |
5407 | { |
4967 | if (expect_false (ev_is_active (w))) |
5408 | if (ecb_expect_false (ev_is_active (w))) |
4968 | return; |
5409 | return; |
4969 | |
5410 | |
4970 | w->sent = 0; |
5411 | w->sent = 0; |
4971 | |
5412 | |
4972 | evpipe_init (EV_A); |
5413 | evpipe_init (EV_A); |
… | |
… | |
4982 | |
5423 | |
4983 | void |
5424 | void |
4984 | ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT |
5425 | ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT |
4985 | { |
5426 | { |
4986 | clear_pending (EV_A_ (W)w); |
5427 | clear_pending (EV_A_ (W)w); |
4987 | if (expect_false (!ev_is_active (w))) |
5428 | if (ecb_expect_false (!ev_is_active (w))) |
4988 | return; |
5429 | return; |
4989 | |
5430 | |
4990 | EV_FREQUENT_CHECK; |
5431 | EV_FREQUENT_CHECK; |
4991 | |
5432 | |
4992 | { |
5433 | { |