1 | /* |
1 | /* |
2 | * libev event processing core, watcher management |
2 | * libev event processing core, watcher management |
3 | * |
3 | * |
4 | * Copyright (c) 2007-2018 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007-2019 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 | * |
… | |
… | |
115 | # else |
115 | # else |
116 | # undef EV_USE_EPOLL |
116 | # undef EV_USE_EPOLL |
117 | # define EV_USE_EPOLL 0 |
117 | # define EV_USE_EPOLL 0 |
118 | # endif |
118 | # endif |
119 | |
119 | |
|
|
120 | # if HAVE_LINUX_AIO_ABI_H |
|
|
121 | # ifndef EV_USE_LINUXAIO |
|
|
122 | # define EV_USE_LINUXAIO 0 /* was: EV_FEATURE_BACKENDS, always off by default */ |
|
|
123 | # endif |
|
|
124 | # else |
|
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125 | # undef EV_USE_LINUXAIO |
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|
126 | # define EV_USE_LINUXAIO 0 |
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127 | # endif |
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|
128 | |
|
|
129 | # if HAVE_LINUX_FS_H && HAVE_SYS_TIMERFD_H && HAVE_KERNEL_RWF_T |
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|
130 | # ifndef EV_USE_IOURING |
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131 | # define EV_USE_IOURING EV_FEATURE_BACKENDS |
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132 | # endif |
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133 | # else |
|
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134 | # undef EV_USE_IOURING |
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|
135 | # define EV_USE_IOURING 0 |
|
|
136 | # endif |
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|
137 | |
120 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H |
138 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H |
121 | # ifndef EV_USE_KQUEUE |
139 | # ifndef EV_USE_KQUEUE |
122 | # define EV_USE_KQUEUE EV_FEATURE_BACKENDS |
140 | # define EV_USE_KQUEUE EV_FEATURE_BACKENDS |
123 | # endif |
141 | # endif |
124 | # else |
142 | # else |
… | |
… | |
159 | # endif |
177 | # endif |
160 | # else |
178 | # else |
161 | # undef EV_USE_EVENTFD |
179 | # undef EV_USE_EVENTFD |
162 | # define EV_USE_EVENTFD 0 |
180 | # define EV_USE_EVENTFD 0 |
163 | # endif |
181 | # endif |
164 | |
182 | |
|
|
183 | # if HAVE_SYS_TIMERFD_H |
|
|
184 | # ifndef EV_USE_TIMERFD |
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|
185 | # define EV_USE_TIMERFD EV_FEATURE_OS |
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|
186 | # endif |
|
|
187 | # else |
|
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188 | # undef EV_USE_TIMERFD |
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189 | # define EV_USE_TIMERFD 0 |
|
|
190 | # endif |
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|
191 | |
165 | #endif |
192 | #endif |
166 | |
193 | |
167 | /* OS X, in its infinite idiocy, actually HARDCODES |
194 | /* OS X, in its infinite idiocy, actually HARDCODES |
168 | * a limit of 1024 into their select. Where people have brains, |
195 | * a limit of 1024 into their select. Where people have brains, |
169 | * OS X engineers apparently have a vacuum. Or maybe they were |
196 | * OS X engineers apparently have a vacuum. Or maybe they were |
… | |
… | |
315 | |
342 | |
316 | #ifndef EV_USE_PORT |
343 | #ifndef EV_USE_PORT |
317 | # define EV_USE_PORT 0 |
344 | # define EV_USE_PORT 0 |
318 | #endif |
345 | #endif |
319 | |
346 | |
|
|
347 | #ifndef EV_USE_LINUXAIO |
|
|
348 | # if __linux /* libev currently assumes linux/aio_abi.h is always available on linux */ |
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|
349 | # define EV_USE_LINUXAIO 0 /* was: 1, always off by default */ |
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|
350 | # else |
|
|
351 | # define EV_USE_LINUXAIO 0 |
|
|
352 | # endif |
|
|
353 | #endif |
|
|
354 | |
|
|
355 | #ifndef EV_USE_IOURING |
|
|
356 | # if __linux /* later checks might disable again */ |
|
|
357 | # define EV_USE_IOURING 1 |
|
|
358 | # else |
|
|
359 | # define EV_USE_IOURING 0 |
|
|
360 | # endif |
|
|
361 | #endif |
|
|
362 | |
320 | #ifndef EV_USE_INOTIFY |
363 | #ifndef EV_USE_INOTIFY |
321 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
364 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
322 | # define EV_USE_INOTIFY EV_FEATURE_OS |
365 | # define EV_USE_INOTIFY EV_FEATURE_OS |
323 | # else |
366 | # else |
324 | # define EV_USE_INOTIFY 0 |
367 | # define EV_USE_INOTIFY 0 |
… | |
… | |
344 | #ifndef EV_USE_SIGNALFD |
387 | #ifndef EV_USE_SIGNALFD |
345 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
388 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
346 | # define EV_USE_SIGNALFD EV_FEATURE_OS |
389 | # define EV_USE_SIGNALFD EV_FEATURE_OS |
347 | # else |
390 | # else |
348 | # define EV_USE_SIGNALFD 0 |
391 | # define EV_USE_SIGNALFD 0 |
|
|
392 | # endif |
|
|
393 | #endif |
|
|
394 | |
|
|
395 | #ifndef EV_USE_TIMERFD |
|
|
396 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 8)) |
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|
397 | # define EV_USE_TIMERFD EV_FEATURE_OS |
|
|
398 | # else |
|
|
399 | # define EV_USE_TIMERFD 0 |
349 | # endif |
400 | # endif |
350 | #endif |
401 | #endif |
351 | |
402 | |
352 | #if 0 /* debugging */ |
403 | #if 0 /* debugging */ |
353 | # define EV_VERIFY 3 |
404 | # define EV_VERIFY 3 |
… | |
… | |
389 | # include <sys/syscall.h> |
440 | # include <sys/syscall.h> |
390 | # ifdef SYS_clock_gettime |
441 | # ifdef SYS_clock_gettime |
391 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
442 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
392 | # undef EV_USE_MONOTONIC |
443 | # undef EV_USE_MONOTONIC |
393 | # define EV_USE_MONOTONIC 1 |
444 | # define EV_USE_MONOTONIC 1 |
|
|
445 | # define EV_NEED_SYSCALL 1 |
394 | # else |
446 | # else |
395 | # undef EV_USE_CLOCK_SYSCALL |
447 | # undef EV_USE_CLOCK_SYSCALL |
396 | # define EV_USE_CLOCK_SYSCALL 0 |
448 | # define EV_USE_CLOCK_SYSCALL 0 |
397 | # endif |
449 | # endif |
398 | #endif |
450 | #endif |
… | |
… | |
412 | #if !EV_STAT_ENABLE |
464 | #if !EV_STAT_ENABLE |
413 | # undef EV_USE_INOTIFY |
465 | # undef EV_USE_INOTIFY |
414 | # define EV_USE_INOTIFY 0 |
466 | # define EV_USE_INOTIFY 0 |
415 | #endif |
467 | #endif |
416 | |
468 | |
|
|
469 | #if __linux && EV_USE_IOURING |
|
|
470 | # include <linux/version.h> |
|
|
471 | # if LINUX_VERSION_CODE < KERNEL_VERSION(4,14,0) |
|
|
472 | # undef EV_USE_IOURING |
|
|
473 | # define EV_USE_IOURING 0 |
|
|
474 | # endif |
|
|
475 | #endif |
|
|
476 | |
417 | #if !EV_USE_NANOSLEEP |
477 | #if !EV_USE_NANOSLEEP |
418 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
478 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
419 | # if !defined _WIN32 && !defined __hpux |
479 | # if !defined _WIN32 && !defined __hpux |
420 | # include <sys/select.h> |
480 | # include <sys/select.h> |
|
|
481 | # endif |
|
|
482 | #endif |
|
|
483 | |
|
|
484 | #if EV_USE_LINUXAIO |
|
|
485 | # include <sys/syscall.h> |
|
|
486 | # if SYS_io_getevents && EV_USE_EPOLL /* linuxaio backend requires epoll backend */ |
|
|
487 | # define EV_NEED_SYSCALL 1 |
|
|
488 | # else |
|
|
489 | # undef EV_USE_LINUXAIO |
|
|
490 | # define EV_USE_LINUXAIO 0 |
|
|
491 | # endif |
|
|
492 | #endif |
|
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493 | |
|
|
494 | #if EV_USE_IOURING |
|
|
495 | # include <sys/syscall.h> |
|
|
496 | # if !SYS_io_uring_setup && __linux && !__alpha |
|
|
497 | # define SYS_io_uring_setup 425 |
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|
498 | # define SYS_io_uring_enter 426 |
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|
499 | # define SYS_io_uring_wregister 427 |
|
|
500 | # endif |
|
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501 | # if SYS_io_uring_setup && EV_USE_EPOLL /* iouring backend requires epoll backend */ |
|
|
502 | # define EV_NEED_SYSCALL 1 |
|
|
503 | # else |
|
|
504 | # undef EV_USE_IOURING |
|
|
505 | # define EV_USE_IOURING 0 |
421 | # endif |
506 | # endif |
422 | #endif |
507 | #endif |
423 | |
508 | |
424 | #if EV_USE_INOTIFY |
509 | #if EV_USE_INOTIFY |
425 | # include <sys/statfs.h> |
510 | # include <sys/statfs.h> |
… | |
… | |
430 | # define EV_USE_INOTIFY 0 |
515 | # define EV_USE_INOTIFY 0 |
431 | # endif |
516 | # endif |
432 | #endif |
517 | #endif |
433 | |
518 | |
434 | #if EV_USE_EVENTFD |
519 | #if EV_USE_EVENTFD |
435 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
520 | /* our minimum requirement is glibc 2.7 which has the stub, but not the full header */ |
436 | # include <stdint.h> |
521 | # include <stdint.h> |
437 | # ifndef EFD_NONBLOCK |
522 | # ifndef EFD_NONBLOCK |
438 | # define EFD_NONBLOCK O_NONBLOCK |
523 | # define EFD_NONBLOCK O_NONBLOCK |
439 | # endif |
524 | # endif |
440 | # ifndef EFD_CLOEXEC |
525 | # ifndef EFD_CLOEXEC |
… | |
… | |
446 | # endif |
531 | # endif |
447 | EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags); |
532 | EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags); |
448 | #endif |
533 | #endif |
449 | |
534 | |
450 | #if EV_USE_SIGNALFD |
535 | #if EV_USE_SIGNALFD |
451 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
536 | /* our minimum requirement is glibc 2.7 which has the stub, but not the full header */ |
452 | # include <stdint.h> |
537 | # include <stdint.h> |
453 | # ifndef SFD_NONBLOCK |
538 | # ifndef SFD_NONBLOCK |
454 | # define SFD_NONBLOCK O_NONBLOCK |
539 | # define SFD_NONBLOCK O_NONBLOCK |
455 | # endif |
540 | # endif |
456 | # ifndef SFD_CLOEXEC |
541 | # ifndef SFD_CLOEXEC |
… | |
… | |
458 | # define SFD_CLOEXEC O_CLOEXEC |
543 | # define SFD_CLOEXEC O_CLOEXEC |
459 | # else |
544 | # else |
460 | # define SFD_CLOEXEC 02000000 |
545 | # define SFD_CLOEXEC 02000000 |
461 | # endif |
546 | # endif |
462 | # endif |
547 | # endif |
463 | EV_CPP (extern "C") int signalfd (int fd, const sigset_t *mask, int flags); |
548 | EV_CPP (extern "C") int (signalfd) (int fd, const sigset_t *mask, int flags); |
464 | |
549 | |
465 | struct signalfd_siginfo |
550 | struct signalfd_siginfo |
466 | { |
551 | { |
467 | uint32_t ssi_signo; |
552 | uint32_t ssi_signo; |
468 | char pad[128 - sizeof (uint32_t)]; |
553 | char pad[128 - sizeof (uint32_t)]; |
469 | }; |
554 | }; |
470 | #endif |
555 | #endif |
471 | |
556 | |
472 | /**/ |
557 | /* for timerfd, libev core requires TFD_TIMER_CANCEL_ON_SET &c */ |
|
|
558 | #if EV_USE_TIMERFD |
|
|
559 | # include <sys/timerfd.h> |
|
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560 | /* timerfd is only used for periodics */ |
|
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561 | # if !(defined (TFD_TIMER_CANCEL_ON_SET) && defined (TFD_CLOEXEC) && defined (TFD_NONBLOCK)) || !EV_PERIODIC_ENABLE |
|
|
562 | # undef EV_USE_TIMERFD |
|
|
563 | # define EV_USE_TIMERFD 0 |
|
|
564 | # endif |
|
|
565 | #endif |
|
|
566 | |
|
|
567 | /*****************************************************************************/ |
473 | |
568 | |
474 | #if EV_VERIFY >= 3 |
569 | #if EV_VERIFY >= 3 |
475 | # define EV_FREQUENT_CHECK ev_verify (EV_A) |
570 | # define EV_FREQUENT_CHECK ev_verify (EV_A) |
476 | #else |
571 | #else |
477 | # define EV_FREQUENT_CHECK do { } while (0) |
572 | # define EV_FREQUENT_CHECK do { } while (0) |
… | |
… | |
482 | * This value is good at least till the year 4000. |
577 | * This value is good at least till the year 4000. |
483 | */ |
578 | */ |
484 | #define MIN_INTERVAL 0.0001220703125 /* 1/2**13, good till 4000 */ |
579 | #define MIN_INTERVAL 0.0001220703125 /* 1/2**13, good till 4000 */ |
485 | /*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20, good till 2200 */ |
580 | /*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20, good till 2200 */ |
486 | |
581 | |
487 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
582 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
488 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
583 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
|
|
584 | #define MAX_BLOCKTIME2 1500001.07 /* same, but when timerfd is used to detect jumps, also safe delay to not overflow */ |
489 | |
585 | |
|
|
586 | /* find a portable timestamp that is "always" in the future but fits into time_t. |
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|
587 | * this is quite hard, and we are mostly guessing - we handle 32 bit signed/unsigned time_t, |
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588 | * and sizes larger than 32 bit, and maybe the unlikely floating point time_t */ |
|
|
589 | #define EV_TSTAMP_HUGE \ |
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590 | (sizeof (time_t) >= 8 ? 10000000000000. \ |
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|
591 | : 0 < (time_t)4294967295 ? 4294967295. \ |
|
|
592 | : 2147483647.) \ |
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593 | |
|
|
594 | #ifndef EV_TS_CONST |
|
|
595 | # define EV_TS_CONST(nv) nv |
|
|
596 | # define EV_TS_TO_MSEC(a) a * 1e3 + 0.9999 |
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|
597 | # define EV_TS_FROM_USEC(us) us * 1e-6 |
490 | #define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) |
598 | # define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) |
491 | #define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0) |
599 | # define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0) |
|
|
600 | # define EV_TV_GET(tv) ((tv).tv_sec + (tv).tv_usec * 1e-6) |
|
|
601 | # define EV_TS_GET(ts) ((ts).tv_sec + (ts).tv_nsec * 1e-9) |
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|
602 | #endif |
492 | |
603 | |
493 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
604 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
494 | /* ECB.H BEGIN */ |
605 | /* ECB.H BEGIN */ |
495 | /* |
606 | /* |
496 | * libecb - http://software.schmorp.de/pkg/libecb |
607 | * libecb - http://software.schmorp.de/pkg/libecb |
… | |
… | |
534 | |
645 | |
535 | #ifndef ECB_H |
646 | #ifndef ECB_H |
536 | #define ECB_H |
647 | #define ECB_H |
537 | |
648 | |
538 | /* 16 bits major, 16 bits minor */ |
649 | /* 16 bits major, 16 bits minor */ |
539 | #define ECB_VERSION 0x00010005 |
650 | #define ECB_VERSION 0x00010008 |
|
|
651 | |
|
|
652 | #include <string.h> /* for memcpy */ |
540 | |
653 | |
541 | #ifdef _WIN32 |
654 | #ifdef _WIN32 |
542 | typedef signed char int8_t; |
655 | typedef signed char int8_t; |
543 | typedef unsigned char uint8_t; |
656 | typedef unsigned char uint8_t; |
|
|
657 | typedef signed char int_fast8_t; |
|
|
658 | typedef unsigned char uint_fast8_t; |
544 | typedef signed short int16_t; |
659 | typedef signed short int16_t; |
545 | typedef unsigned short uint16_t; |
660 | typedef unsigned short uint16_t; |
|
|
661 | typedef signed int int_fast16_t; |
|
|
662 | typedef unsigned int uint_fast16_t; |
546 | typedef signed int int32_t; |
663 | typedef signed int int32_t; |
547 | typedef unsigned int uint32_t; |
664 | typedef unsigned int uint32_t; |
|
|
665 | typedef signed int int_fast32_t; |
|
|
666 | typedef unsigned int uint_fast32_t; |
548 | #if __GNUC__ |
667 | #if __GNUC__ |
549 | typedef signed long long int64_t; |
668 | typedef signed long long int64_t; |
550 | typedef unsigned long long uint64_t; |
669 | typedef unsigned long long uint64_t; |
551 | #else /* _MSC_VER || __BORLANDC__ */ |
670 | #else /* _MSC_VER || __BORLANDC__ */ |
552 | typedef signed __int64 int64_t; |
671 | typedef signed __int64 int64_t; |
553 | typedef unsigned __int64 uint64_t; |
672 | typedef unsigned __int64 uint64_t; |
554 | #endif |
673 | #endif |
|
|
674 | typedef int64_t int_fast64_t; |
|
|
675 | typedef uint64_t uint_fast64_t; |
555 | #ifdef _WIN64 |
676 | #ifdef _WIN64 |
556 | #define ECB_PTRSIZE 8 |
677 | #define ECB_PTRSIZE 8 |
557 | typedef uint64_t uintptr_t; |
678 | typedef uint64_t uintptr_t; |
558 | typedef int64_t intptr_t; |
679 | typedef int64_t intptr_t; |
559 | #else |
680 | #else |
… | |
… | |
571 | #endif |
692 | #endif |
572 | |
693 | |
573 | #define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__) |
694 | #define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__) |
574 | #define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64) |
695 | #define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64) |
575 | |
696 | |
|
|
697 | #ifndef ECB_OPTIMIZE_SIZE |
|
|
698 | #if __OPTIMIZE_SIZE__ |
|
|
699 | #define ECB_OPTIMIZE_SIZE 1 |
|
|
700 | #else |
|
|
701 | #define ECB_OPTIMIZE_SIZE 0 |
|
|
702 | #endif |
|
|
703 | #endif |
|
|
704 | |
576 | /* work around x32 idiocy by defining proper macros */ |
705 | /* work around x32 idiocy by defining proper macros */ |
577 | #if ECB_GCC_AMD64 || ECB_MSVC_AMD64 |
706 | #if ECB_GCC_AMD64 || ECB_MSVC_AMD64 |
578 | #if _ILP32 |
707 | #if _ILP32 |
579 | #define ECB_AMD64_X32 1 |
708 | #define ECB_AMD64_X32 1 |
580 | #else |
709 | #else |
… | |
… | |
658 | #include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */ |
787 | #include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */ |
659 | #endif |
788 | #endif |
660 | |
789 | |
661 | #ifndef ECB_MEMORY_FENCE |
790 | #ifndef ECB_MEMORY_FENCE |
662 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
791 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
|
|
792 | #define ECB_MEMORY_FENCE_RELAXED __asm__ __volatile__ ("" : : : "memory") |
663 | #if __i386 || __i386__ |
793 | #if __i386 || __i386__ |
664 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
794 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
665 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
795 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
666 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory") |
796 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory") |
667 | #elif ECB_GCC_AMD64 |
797 | #elif ECB_GCC_AMD64 |
… | |
… | |
717 | #if ECB_GCC_VERSION(4,7) |
847 | #if ECB_GCC_VERSION(4,7) |
718 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
848 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
719 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
849 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
720 | #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE) |
850 | #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE) |
721 | #define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE) |
851 | #define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE) |
|
|
852 | #define ECB_MEMORY_FENCE_RELAXED __atomic_thread_fence (__ATOMIC_RELAXED) |
722 | |
853 | |
723 | #elif ECB_CLANG_EXTENSION(c_atomic) |
854 | #elif ECB_CLANG_EXTENSION(c_atomic) |
724 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
855 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
725 | #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
856 | #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
726 | #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE) |
857 | #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE) |
727 | #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE) |
858 | #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE) |
|
|
859 | #define ECB_MEMORY_FENCE_RELAXED __c11_atomic_thread_fence (__ATOMIC_RELAXED) |
728 | |
860 | |
729 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
861 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
730 | #define ECB_MEMORY_FENCE __sync_synchronize () |
862 | #define ECB_MEMORY_FENCE __sync_synchronize () |
731 | #elif _MSC_VER >= 1500 /* VC++ 2008 */ |
863 | #elif _MSC_VER >= 1500 /* VC++ 2008 */ |
732 | /* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */ |
864 | /* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */ |
… | |
… | |
742 | #elif defined _WIN32 |
874 | #elif defined _WIN32 |
743 | #include <WinNT.h> |
875 | #include <WinNT.h> |
744 | #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ |
876 | #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ |
745 | #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
877 | #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
746 | #include <mbarrier.h> |
878 | #include <mbarrier.h> |
747 | #define ECB_MEMORY_FENCE __machine_rw_barrier () |
879 | #define ECB_MEMORY_FENCE __machine_rw_barrier () |
748 | #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier () |
880 | #define ECB_MEMORY_FENCE_ACQUIRE __machine_acq_barrier () |
749 | #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier () |
881 | #define ECB_MEMORY_FENCE_RELEASE __machine_rel_barrier () |
|
|
882 | #define ECB_MEMORY_FENCE_RELAXED __compiler_barrier () |
750 | #elif __xlC__ |
883 | #elif __xlC__ |
751 | #define ECB_MEMORY_FENCE __sync () |
884 | #define ECB_MEMORY_FENCE __sync () |
752 | #endif |
885 | #endif |
753 | #endif |
886 | #endif |
754 | |
887 | |
755 | #ifndef ECB_MEMORY_FENCE |
888 | #ifndef ECB_MEMORY_FENCE |
756 | #if ECB_C11 && !defined __STDC_NO_ATOMICS__ |
889 | #if ECB_C11 && !defined __STDC_NO_ATOMICS__ |
757 | /* we assume that these memory fences work on all variables/all memory accesses, */ |
890 | /* we assume that these memory fences work on all variables/all memory accesses, */ |
758 | /* not just C11 atomics and atomic accesses */ |
891 | /* not just C11 atomics and atomic accesses */ |
759 | #include <stdatomic.h> |
892 | #include <stdatomic.h> |
760 | /* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */ |
|
|
761 | /* any fence other than seq_cst, which isn't very efficient for us. */ |
|
|
762 | /* Why that is, we don't know - either the C11 memory model is quite useless */ |
|
|
763 | /* for most usages, or gcc and clang have a bug */ |
|
|
764 | /* I *currently* lean towards the latter, and inefficiently implement */ |
|
|
765 | /* all three of ecb's fences as a seq_cst fence */ |
|
|
766 | /* Update, gcc-4.8 generates mfence for all c++ fences, but nothing */ |
|
|
767 | /* for all __atomic_thread_fence's except seq_cst */ |
|
|
768 | #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst) |
893 | #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst) |
|
|
894 | #define ECB_MEMORY_FENCE_ACQUIRE atomic_thread_fence (memory_order_acquire) |
|
|
895 | #define ECB_MEMORY_FENCE_RELEASE atomic_thread_fence (memory_order_release) |
769 | #endif |
896 | #endif |
770 | #endif |
897 | #endif |
771 | |
898 | |
772 | #ifndef ECB_MEMORY_FENCE |
899 | #ifndef ECB_MEMORY_FENCE |
773 | #if !ECB_AVOID_PTHREADS |
900 | #if !ECB_AVOID_PTHREADS |
… | |
… | |
791 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
918 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
792 | #endif |
919 | #endif |
793 | |
920 | |
794 | #if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE |
921 | #if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE |
795 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
922 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
|
|
923 | #endif |
|
|
924 | |
|
|
925 | #if !defined ECB_MEMORY_FENCE_RELAXED && defined ECB_MEMORY_FENCE |
|
|
926 | #define ECB_MEMORY_FENCE_RELAXED ECB_MEMORY_FENCE /* very heavy-handed */ |
796 | #endif |
927 | #endif |
797 | |
928 | |
798 | /*****************************************************************************/ |
929 | /*****************************************************************************/ |
799 | |
930 | |
800 | #if ECB_CPP |
931 | #if ECB_CPP |
… | |
… | |
1084 | ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); } |
1215 | ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); } |
1085 | ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } |
1216 | ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } |
1086 | ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } |
1217 | ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } |
1087 | ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } |
1218 | ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } |
1088 | |
1219 | |
|
|
1220 | #if ECB_CPP |
|
|
1221 | |
|
|
1222 | inline uint8_t ecb_ctz (uint8_t v) { return ecb_ctz32 (v); } |
|
|
1223 | inline uint16_t ecb_ctz (uint16_t v) { return ecb_ctz32 (v); } |
|
|
1224 | inline uint32_t ecb_ctz (uint32_t v) { return ecb_ctz32 (v); } |
|
|
1225 | inline uint64_t ecb_ctz (uint64_t v) { return ecb_ctz64 (v); } |
|
|
1226 | |
|
|
1227 | inline bool ecb_is_pot (uint8_t v) { return ecb_is_pot32 (v); } |
|
|
1228 | inline bool ecb_is_pot (uint16_t v) { return ecb_is_pot32 (v); } |
|
|
1229 | inline bool ecb_is_pot (uint32_t v) { return ecb_is_pot32 (v); } |
|
|
1230 | inline bool ecb_is_pot (uint64_t v) { return ecb_is_pot64 (v); } |
|
|
1231 | |
|
|
1232 | inline int ecb_ld (uint8_t v) { return ecb_ld32 (v); } |
|
|
1233 | inline int ecb_ld (uint16_t v) { return ecb_ld32 (v); } |
|
|
1234 | inline int ecb_ld (uint32_t v) { return ecb_ld32 (v); } |
|
|
1235 | inline int ecb_ld (uint64_t v) { return ecb_ld64 (v); } |
|
|
1236 | |
|
|
1237 | inline int ecb_popcount (uint8_t v) { return ecb_popcount32 (v); } |
|
|
1238 | inline int ecb_popcount (uint16_t v) { return ecb_popcount32 (v); } |
|
|
1239 | inline int ecb_popcount (uint32_t v) { return ecb_popcount32 (v); } |
|
|
1240 | inline int ecb_popcount (uint64_t v) { return ecb_popcount64 (v); } |
|
|
1241 | |
|
|
1242 | inline uint8_t ecb_bitrev (uint8_t v) { return ecb_bitrev8 (v); } |
|
|
1243 | inline uint16_t ecb_bitrev (uint16_t v) { return ecb_bitrev16 (v); } |
|
|
1244 | inline uint32_t ecb_bitrev (uint32_t v) { return ecb_bitrev32 (v); } |
|
|
1245 | |
|
|
1246 | inline uint8_t ecb_rotl (uint8_t v, unsigned int count) { return ecb_rotl8 (v, count); } |
|
|
1247 | inline uint16_t ecb_rotl (uint16_t v, unsigned int count) { return ecb_rotl16 (v, count); } |
|
|
1248 | inline uint32_t ecb_rotl (uint32_t v, unsigned int count) { return ecb_rotl32 (v, count); } |
|
|
1249 | inline uint64_t ecb_rotl (uint64_t v, unsigned int count) { return ecb_rotl64 (v, count); } |
|
|
1250 | |
|
|
1251 | inline uint8_t ecb_rotr (uint8_t v, unsigned int count) { return ecb_rotr8 (v, count); } |
|
|
1252 | inline uint16_t ecb_rotr (uint16_t v, unsigned int count) { return ecb_rotr16 (v, count); } |
|
|
1253 | inline uint32_t ecb_rotr (uint32_t v, unsigned int count) { return ecb_rotr32 (v, count); } |
|
|
1254 | inline uint64_t ecb_rotr (uint64_t v, unsigned int count) { return ecb_rotr64 (v, count); } |
|
|
1255 | |
|
|
1256 | #endif |
|
|
1257 | |
1089 | #if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64)) |
1258 | #if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64)) |
1090 | #if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16) |
1259 | #if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16) |
1091 | #define ecb_bswap16(x) __builtin_bswap16 (x) |
1260 | #define ecb_bswap16(x) __builtin_bswap16 (x) |
1092 | #else |
1261 | #else |
1093 | #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) |
1262 | #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) |
… | |
… | |
1164 | ecb_inline ecb_const ecb_bool ecb_big_endian (void); |
1333 | ecb_inline ecb_const ecb_bool ecb_big_endian (void); |
1165 | ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11223344; } |
1334 | ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11223344; } |
1166 | ecb_inline ecb_const ecb_bool ecb_little_endian (void); |
1335 | ecb_inline ecb_const ecb_bool ecb_little_endian (void); |
1167 | ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; } |
1336 | ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; } |
1168 | |
1337 | |
|
|
1338 | /*****************************************************************************/ |
|
|
1339 | /* unaligned load/store */ |
|
|
1340 | |
|
|
1341 | ecb_inline uint_fast16_t ecb_be_u16_to_host (uint_fast16_t v) { return ecb_little_endian () ? ecb_bswap16 (v) : v; } |
|
|
1342 | ecb_inline uint_fast32_t ecb_be_u32_to_host (uint_fast32_t v) { return ecb_little_endian () ? ecb_bswap32 (v) : v; } |
|
|
1343 | ecb_inline uint_fast64_t ecb_be_u64_to_host (uint_fast64_t v) { return ecb_little_endian () ? ecb_bswap64 (v) : v; } |
|
|
1344 | |
|
|
1345 | ecb_inline uint_fast16_t ecb_le_u16_to_host (uint_fast16_t v) { return ecb_big_endian () ? ecb_bswap16 (v) : v; } |
|
|
1346 | ecb_inline uint_fast32_t ecb_le_u32_to_host (uint_fast32_t v) { return ecb_big_endian () ? ecb_bswap32 (v) : v; } |
|
|
1347 | ecb_inline uint_fast64_t ecb_le_u64_to_host (uint_fast64_t v) { return ecb_big_endian () ? ecb_bswap64 (v) : v; } |
|
|
1348 | |
|
|
1349 | ecb_inline uint_fast16_t ecb_peek_u16_u (const void *ptr) { uint16_t v; memcpy (&v, ptr, sizeof (v)); return v; } |
|
|
1350 | ecb_inline uint_fast32_t ecb_peek_u32_u (const void *ptr) { uint32_t v; memcpy (&v, ptr, sizeof (v)); return v; } |
|
|
1351 | ecb_inline uint_fast64_t ecb_peek_u64_u (const void *ptr) { uint64_t v; memcpy (&v, ptr, sizeof (v)); return v; } |
|
|
1352 | |
|
|
1353 | ecb_inline uint_fast16_t ecb_peek_be_u16_u (const void *ptr) { return ecb_be_u16_to_host (ecb_peek_u16_u (ptr)); } |
|
|
1354 | ecb_inline uint_fast32_t ecb_peek_be_u32_u (const void *ptr) { return ecb_be_u32_to_host (ecb_peek_u32_u (ptr)); } |
|
|
1355 | ecb_inline uint_fast64_t ecb_peek_be_u64_u (const void *ptr) { return ecb_be_u64_to_host (ecb_peek_u64_u (ptr)); } |
|
|
1356 | |
|
|
1357 | ecb_inline uint_fast16_t ecb_peek_le_u16_u (const void *ptr) { return ecb_le_u16_to_host (ecb_peek_u16_u (ptr)); } |
|
|
1358 | ecb_inline uint_fast32_t ecb_peek_le_u32_u (const void *ptr) { return ecb_le_u32_to_host (ecb_peek_u32_u (ptr)); } |
|
|
1359 | ecb_inline uint_fast64_t ecb_peek_le_u64_u (const void *ptr) { return ecb_le_u64_to_host (ecb_peek_u64_u (ptr)); } |
|
|
1360 | |
|
|
1361 | ecb_inline uint_fast16_t ecb_host_to_be_u16 (uint_fast16_t v) { return ecb_little_endian () ? ecb_bswap16 (v) : v; } |
|
|
1362 | ecb_inline uint_fast32_t ecb_host_to_be_u32 (uint_fast32_t v) { return ecb_little_endian () ? ecb_bswap32 (v) : v; } |
|
|
1363 | ecb_inline uint_fast64_t ecb_host_to_be_u64 (uint_fast64_t v) { return ecb_little_endian () ? ecb_bswap64 (v) : v; } |
|
|
1364 | |
|
|
1365 | ecb_inline uint_fast16_t ecb_host_to_le_u16 (uint_fast16_t v) { return ecb_big_endian () ? ecb_bswap16 (v) : v; } |
|
|
1366 | ecb_inline uint_fast32_t ecb_host_to_le_u32 (uint_fast32_t v) { return ecb_big_endian () ? ecb_bswap32 (v) : v; } |
|
|
1367 | ecb_inline uint_fast64_t ecb_host_to_le_u64 (uint_fast64_t v) { return ecb_big_endian () ? ecb_bswap64 (v) : v; } |
|
|
1368 | |
|
|
1369 | ecb_inline void ecb_poke_u16_u (void *ptr, uint16_t v) { memcpy (ptr, &v, sizeof (v)); } |
|
|
1370 | ecb_inline void ecb_poke_u32_u (void *ptr, uint32_t v) { memcpy (ptr, &v, sizeof (v)); } |
|
|
1371 | ecb_inline void ecb_poke_u64_u (void *ptr, uint64_t v) { memcpy (ptr, &v, sizeof (v)); } |
|
|
1372 | |
|
|
1373 | ecb_inline void ecb_poke_be_u16_u (void *ptr, uint_fast16_t v) { ecb_poke_u16_u (ptr, ecb_host_to_be_u16 (v)); } |
|
|
1374 | ecb_inline void ecb_poke_be_u32_u (void *ptr, uint_fast32_t v) { ecb_poke_u32_u (ptr, ecb_host_to_be_u32 (v)); } |
|
|
1375 | ecb_inline void ecb_poke_be_u64_u (void *ptr, uint_fast64_t v) { ecb_poke_u64_u (ptr, ecb_host_to_be_u64 (v)); } |
|
|
1376 | |
|
|
1377 | ecb_inline void ecb_poke_le_u16_u (void *ptr, uint_fast16_t v) { ecb_poke_u16_u (ptr, ecb_host_to_le_u16 (v)); } |
|
|
1378 | ecb_inline void ecb_poke_le_u32_u (void *ptr, uint_fast32_t v) { ecb_poke_u32_u (ptr, ecb_host_to_le_u32 (v)); } |
|
|
1379 | ecb_inline void ecb_poke_le_u64_u (void *ptr, uint_fast64_t v) { ecb_poke_u64_u (ptr, ecb_host_to_le_u64 (v)); } |
|
|
1380 | |
|
|
1381 | #if ECB_CPP |
|
|
1382 | |
|
|
1383 | inline uint8_t ecb_bswap (uint8_t v) { return v; } |
|
|
1384 | inline uint16_t ecb_bswap (uint16_t v) { return ecb_bswap16 (v); } |
|
|
1385 | inline uint32_t ecb_bswap (uint32_t v) { return ecb_bswap32 (v); } |
|
|
1386 | inline uint64_t ecb_bswap (uint64_t v) { return ecb_bswap64 (v); } |
|
|
1387 | |
|
|
1388 | template<typename T> inline T ecb_be_to_host (T v) { return ecb_little_endian () ? ecb_bswap (v) : v; } |
|
|
1389 | template<typename T> inline T ecb_le_to_host (T v) { return ecb_big_endian () ? ecb_bswap (v) : v; } |
|
|
1390 | template<typename T> inline T ecb_peek (const void *ptr) { return *(const T *)ptr; } |
|
|
1391 | template<typename T> inline T ecb_peek_be (const void *ptr) { return ecb_be_to_host (ecb_peek <T> (ptr)); } |
|
|
1392 | template<typename T> inline T ecb_peek_le (const void *ptr) { return ecb_le_to_host (ecb_peek <T> (ptr)); } |
|
|
1393 | template<typename T> inline T ecb_peek_u (const void *ptr) { T v; memcpy (&v, ptr, sizeof (v)); return v; } |
|
|
1394 | template<typename T> inline T ecb_peek_be_u (const void *ptr) { return ecb_be_to_host (ecb_peek_u<T> (ptr)); } |
|
|
1395 | template<typename T> inline T ecb_peek_le_u (const void *ptr) { return ecb_le_to_host (ecb_peek_u<T> (ptr)); } |
|
|
1396 | |
|
|
1397 | template<typename T> inline T ecb_host_to_be (T v) { return ecb_little_endian () ? ecb_bswap (v) : v; } |
|
|
1398 | template<typename T> inline T ecb_host_to_le (T v) { return ecb_big_endian () ? ecb_bswap (v) : v; } |
|
|
1399 | template<typename T> inline void ecb_poke (void *ptr, T v) { *(T *)ptr = v; } |
|
|
1400 | template<typename T> inline void ecb_poke_be (void *ptr, T v) { return ecb_poke <T> (ptr, ecb_host_to_be (v)); } |
|
|
1401 | template<typename T> inline void ecb_poke_le (void *ptr, T v) { return ecb_poke <T> (ptr, ecb_host_to_le (v)); } |
|
|
1402 | template<typename T> inline void ecb_poke_u (void *ptr, T v) { memcpy (ptr, &v, sizeof (v)); } |
|
|
1403 | template<typename T> inline void ecb_poke_be_u (void *ptr, T v) { return ecb_poke_u<T> (ptr, ecb_host_to_be (v)); } |
|
|
1404 | template<typename T> inline void ecb_poke_le_u (void *ptr, T v) { return ecb_poke_u<T> (ptr, ecb_host_to_le (v)); } |
|
|
1405 | |
|
|
1406 | #endif |
|
|
1407 | |
|
|
1408 | /*****************************************************************************/ |
|
|
1409 | |
1169 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
1410 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
1170 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
1411 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
1171 | #else |
1412 | #else |
1172 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
1413 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
1173 | #endif |
1414 | #endif |
… | |
… | |
1196 | return N; |
1437 | return N; |
1197 | } |
1438 | } |
1198 | #else |
1439 | #else |
1199 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
1440 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
1200 | #endif |
1441 | #endif |
|
|
1442 | |
|
|
1443 | /*****************************************************************************/ |
1201 | |
1444 | |
1202 | ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x); |
1445 | ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x); |
1203 | ecb_function_ ecb_const uint32_t |
1446 | ecb_function_ ecb_const uint32_t |
1204 | ecb_binary16_to_binary32 (uint32_t x) |
1447 | ecb_binary16_to_binary32 (uint32_t x) |
1205 | { |
1448 | { |
… | |
… | |
1314 | || defined __sh__ \ |
1557 | || defined __sh__ \ |
1315 | || defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \ |
1558 | || defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \ |
1316 | || (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \ |
1559 | || (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \ |
1317 | || defined __aarch64__ |
1560 | || defined __aarch64__ |
1318 | #define ECB_STDFP 1 |
1561 | #define ECB_STDFP 1 |
1319 | #include <string.h> /* for memcpy */ |
|
|
1320 | #else |
1562 | #else |
1321 | #define ECB_STDFP 0 |
1563 | #define ECB_STDFP 0 |
1322 | #endif |
1564 | #endif |
1323 | |
1565 | |
1324 | #ifndef ECB_NO_LIBM |
1566 | #ifndef ECB_NO_LIBM |
… | |
… | |
1509 | /* ECB.H END */ |
1751 | /* ECB.H END */ |
1510 | |
1752 | |
1511 | #if ECB_MEMORY_FENCE_NEEDS_PTHREADS |
1753 | #if ECB_MEMORY_FENCE_NEEDS_PTHREADS |
1512 | /* if your architecture doesn't need memory fences, e.g. because it is |
1754 | /* if your architecture doesn't need memory fences, e.g. because it is |
1513 | * single-cpu/core, or if you use libev in a project that doesn't use libev |
1755 | * single-cpu/core, or if you use libev in a project that doesn't use libev |
1514 | * from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling |
1756 | * from multiple threads, then you can define ECB_NO_THREADS when compiling |
1515 | * libev, in which cases the memory fences become nops. |
1757 | * libev, in which cases the memory fences become nops. |
1516 | * alternatively, you can remove this #error and link against libpthread, |
1758 | * alternatively, you can remove this #error and link against libpthread, |
1517 | * which will then provide the memory fences. |
1759 | * which will then provide the memory fences. |
1518 | */ |
1760 | */ |
1519 | # error "memory fences not defined for your architecture, please report" |
1761 | # error "memory fences not defined for your architecture, please report" |
… | |
… | |
1523 | # define ECB_MEMORY_FENCE do { } while (0) |
1765 | # define ECB_MEMORY_FENCE do { } while (0) |
1524 | # define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
1766 | # define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
1525 | # define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
1767 | # define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
1526 | #endif |
1768 | #endif |
1527 | |
1769 | |
1528 | #define expect_false(cond) ecb_expect_false (cond) |
|
|
1529 | #define expect_true(cond) ecb_expect_true (cond) |
|
|
1530 | #define noinline ecb_noinline |
|
|
1531 | |
|
|
1532 | #define inline_size ecb_inline |
1770 | #define inline_size ecb_inline |
1533 | |
1771 | |
1534 | #if EV_FEATURE_CODE |
1772 | #if EV_FEATURE_CODE |
1535 | # define inline_speed ecb_inline |
1773 | # define inline_speed ecb_inline |
1536 | #else |
1774 | #else |
1537 | # define inline_speed noinline static |
1775 | # define inline_speed ecb_noinline static |
1538 | #endif |
1776 | #endif |
|
|
1777 | |
|
|
1778 | /*****************************************************************************/ |
|
|
1779 | /* raw syscall wrappers */ |
|
|
1780 | |
|
|
1781 | #if EV_NEED_SYSCALL |
|
|
1782 | |
|
|
1783 | #include <sys/syscall.h> |
|
|
1784 | |
|
|
1785 | /* |
|
|
1786 | * define some syscall wrappers for common architectures |
|
|
1787 | * this is mostly for nice looks during debugging, not performance. |
|
|
1788 | * our syscalls return < 0, not == -1, on error. which is good |
|
|
1789 | * enough for linux aio. |
|
|
1790 | * TODO: arm is also common nowadays, maybe even mips and x86 |
|
|
1791 | * TODO: after implementing this, it suddenly looks like overkill, but its hard to remove... |
|
|
1792 | */ |
|
|
1793 | #if __GNUC__ && __linux && ECB_AMD64 && !EV_FEATURE_CODE |
|
|
1794 | /* the costly errno access probably kills this for size optimisation */ |
|
|
1795 | |
|
|
1796 | #define ev_syscall(nr,narg,arg1,arg2,arg3,arg4,arg5,arg6) \ |
|
|
1797 | ({ \ |
|
|
1798 | long res; \ |
|
|
1799 | register unsigned long r6 __asm__ ("r9" ); \ |
|
|
1800 | register unsigned long r5 __asm__ ("r8" ); \ |
|
|
1801 | register unsigned long r4 __asm__ ("r10"); \ |
|
|
1802 | register unsigned long r3 __asm__ ("rdx"); \ |
|
|
1803 | register unsigned long r2 __asm__ ("rsi"); \ |
|
|
1804 | register unsigned long r1 __asm__ ("rdi"); \ |
|
|
1805 | if (narg >= 6) r6 = (unsigned long)(arg6); \ |
|
|
1806 | if (narg >= 5) r5 = (unsigned long)(arg5); \ |
|
|
1807 | if (narg >= 4) r4 = (unsigned long)(arg4); \ |
|
|
1808 | if (narg >= 3) r3 = (unsigned long)(arg3); \ |
|
|
1809 | if (narg >= 2) r2 = (unsigned long)(arg2); \ |
|
|
1810 | if (narg >= 1) r1 = (unsigned long)(arg1); \ |
|
|
1811 | __asm__ __volatile__ ( \ |
|
|
1812 | "syscall\n\t" \ |
|
|
1813 | : "=a" (res) \ |
|
|
1814 | : "0" (nr), "r" (r1), "r" (r2), "r" (r3), "r" (r4), "r" (r5) \ |
|
|
1815 | : "cc", "r11", "cx", "memory"); \ |
|
|
1816 | errno = -res; \ |
|
|
1817 | res; \ |
|
|
1818 | }) |
|
|
1819 | |
|
|
1820 | #endif |
|
|
1821 | |
|
|
1822 | #ifdef ev_syscall |
|
|
1823 | #define ev_syscall0(nr) ev_syscall (nr, 0, 0, 0, 0, 0, 0, 0) |
|
|
1824 | #define ev_syscall1(nr,arg1) ev_syscall (nr, 1, arg1, 0, 0, 0, 0, 0) |
|
|
1825 | #define ev_syscall2(nr,arg1,arg2) ev_syscall (nr, 2, arg1, arg2, 0, 0, 0, 0) |
|
|
1826 | #define ev_syscall3(nr,arg1,arg2,arg3) ev_syscall (nr, 3, arg1, arg2, arg3, 0, 0, 0) |
|
|
1827 | #define ev_syscall4(nr,arg1,arg2,arg3,arg4) ev_syscall (nr, 3, arg1, arg2, arg3, arg4, 0, 0) |
|
|
1828 | #define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) ev_syscall (nr, 5, arg1, arg2, arg3, arg4, arg5, 0) |
|
|
1829 | #define ev_syscall6(nr,arg1,arg2,arg3,arg4,arg5,arg6) ev_syscall (nr, 6, arg1, arg2, arg3, arg4, arg5,arg6) |
|
|
1830 | #else |
|
|
1831 | #define ev_syscall0(nr) syscall (nr) |
|
|
1832 | #define ev_syscall1(nr,arg1) syscall (nr, arg1) |
|
|
1833 | #define ev_syscall2(nr,arg1,arg2) syscall (nr, arg1, arg2) |
|
|
1834 | #define ev_syscall3(nr,arg1,arg2,arg3) syscall (nr, arg1, arg2, arg3) |
|
|
1835 | #define ev_syscall4(nr,arg1,arg2,arg3,arg4) syscall (nr, arg1, arg2, arg3, arg4) |
|
|
1836 | #define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) syscall (nr, arg1, arg2, arg3, arg4, arg5) |
|
|
1837 | #define ev_syscall6(nr,arg1,arg2,arg3,arg4,arg5,arg6) syscall (nr, arg1, arg2, arg3, arg4, arg5,arg6) |
|
|
1838 | #endif |
|
|
1839 | |
|
|
1840 | #endif |
|
|
1841 | |
|
|
1842 | /*****************************************************************************/ |
1539 | |
1843 | |
1540 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
1844 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
1541 | |
1845 | |
1542 | #if EV_MINPRI == EV_MAXPRI |
1846 | #if EV_MINPRI == EV_MAXPRI |
1543 | # define ABSPRI(w) (((W)w), 0) |
1847 | # define ABSPRI(w) (((W)w), 0) |
1544 | #else |
1848 | #else |
1545 | # define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
1849 | # define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
1546 | #endif |
1850 | #endif |
1547 | |
1851 | |
1548 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
1852 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
1549 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
|
|
1550 | |
1853 | |
1551 | typedef ev_watcher *W; |
1854 | typedef ev_watcher *W; |
1552 | typedef ev_watcher_list *WL; |
1855 | typedef ev_watcher_list *WL; |
1553 | typedef ev_watcher_time *WT; |
1856 | typedef ev_watcher_time *WT; |
1554 | |
1857 | |
… | |
… | |
1579 | # include "ev_win32.c" |
1882 | # include "ev_win32.c" |
1580 | #endif |
1883 | #endif |
1581 | |
1884 | |
1582 | /*****************************************************************************/ |
1885 | /*****************************************************************************/ |
1583 | |
1886 | |
|
|
1887 | #if EV_USE_LINUXAIO |
|
|
1888 | # include <linux/aio_abi.h> /* probably only needed for aio_context_t */ |
|
|
1889 | #endif |
|
|
1890 | |
1584 | /* define a suitable floor function (only used by periodics atm) */ |
1891 | /* define a suitable floor function (only used by periodics atm) */ |
1585 | |
1892 | |
1586 | #if EV_USE_FLOOR |
1893 | #if EV_USE_FLOOR |
1587 | # include <math.h> |
1894 | # include <math.h> |
1588 | # define ev_floor(v) floor (v) |
1895 | # define ev_floor(v) floor (v) |
1589 | #else |
1896 | #else |
1590 | |
1897 | |
1591 | #include <float.h> |
1898 | #include <float.h> |
1592 | |
1899 | |
1593 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
1900 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
1594 | noinline |
1901 | ecb_noinline |
1595 | static ev_tstamp |
1902 | static ev_tstamp |
1596 | ev_floor (ev_tstamp v) |
1903 | ev_floor (ev_tstamp v) |
1597 | { |
1904 | { |
1598 | /* the choice of shift factor is not terribly important */ |
1905 | /* the choice of shift factor is not terribly important */ |
1599 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
1906 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
1600 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
1907 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
1601 | #else |
1908 | #else |
1602 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.; |
1909 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.; |
1603 | #endif |
1910 | #endif |
1604 | |
1911 | |
|
|
1912 | /* special treatment for negative arguments */ |
|
|
1913 | if (ecb_expect_false (v < 0.)) |
|
|
1914 | { |
|
|
1915 | ev_tstamp f = -ev_floor (-v); |
|
|
1916 | |
|
|
1917 | return f - (f == v ? 0 : 1); |
|
|
1918 | } |
|
|
1919 | |
1605 | /* argument too large for an unsigned long? */ |
1920 | /* argument too large for an unsigned long? then reduce it */ |
1606 | if (expect_false (v >= shift)) |
1921 | if (ecb_expect_false (v >= shift)) |
1607 | { |
1922 | { |
1608 | ev_tstamp f; |
1923 | ev_tstamp f; |
1609 | |
1924 | |
1610 | if (v == v - 1.) |
1925 | if (v == v - 1.) |
1611 | return v; /* very large number */ |
1926 | return v; /* very large numbers are assumed to be integer */ |
1612 | |
1927 | |
1613 | f = shift * ev_floor (v * (1. / shift)); |
1928 | f = shift * ev_floor (v * (1. / shift)); |
1614 | return f + ev_floor (v - f); |
1929 | return f + ev_floor (v - f); |
1615 | } |
1930 | } |
1616 | |
1931 | |
1617 | /* special treatment for negative args? */ |
|
|
1618 | if (expect_false (v < 0.)) |
|
|
1619 | { |
|
|
1620 | ev_tstamp f = -ev_floor (-v); |
|
|
1621 | |
|
|
1622 | return f - (f == v ? 0 : 1); |
|
|
1623 | } |
|
|
1624 | |
|
|
1625 | /* fits into an unsigned long */ |
1932 | /* fits into an unsigned long */ |
1626 | return (unsigned long)v; |
1933 | return (unsigned long)v; |
1627 | } |
1934 | } |
1628 | |
1935 | |
1629 | #endif |
1936 | #endif |
… | |
… | |
1632 | |
1939 | |
1633 | #ifdef __linux |
1940 | #ifdef __linux |
1634 | # include <sys/utsname.h> |
1941 | # include <sys/utsname.h> |
1635 | #endif |
1942 | #endif |
1636 | |
1943 | |
1637 | noinline ecb_cold |
1944 | ecb_noinline ecb_cold |
1638 | static unsigned int |
1945 | static unsigned int |
1639 | ev_linux_version (void) |
1946 | ev_linux_version (void) |
1640 | { |
1947 | { |
1641 | #ifdef __linux |
1948 | #ifdef __linux |
1642 | unsigned int v = 0; |
1949 | unsigned int v = 0; |
… | |
… | |
1672 | } |
1979 | } |
1673 | |
1980 | |
1674 | /*****************************************************************************/ |
1981 | /*****************************************************************************/ |
1675 | |
1982 | |
1676 | #if EV_AVOID_STDIO |
1983 | #if EV_AVOID_STDIO |
1677 | noinline ecb_cold |
1984 | ecb_noinline ecb_cold |
1678 | static void |
1985 | static void |
1679 | ev_printerr (const char *msg) |
1986 | ev_printerr (const char *msg) |
1680 | { |
1987 | { |
1681 | write (STDERR_FILENO, msg, strlen (msg)); |
1988 | write (STDERR_FILENO, msg, strlen (msg)); |
1682 | } |
1989 | } |
… | |
… | |
1689 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT |
1996 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT |
1690 | { |
1997 | { |
1691 | syserr_cb = cb; |
1998 | syserr_cb = cb; |
1692 | } |
1999 | } |
1693 | |
2000 | |
1694 | noinline ecb_cold |
2001 | ecb_noinline ecb_cold |
1695 | static void |
2002 | static void |
1696 | ev_syserr (const char *msg) |
2003 | ev_syserr (const char *msg) |
1697 | { |
2004 | { |
1698 | if (!msg) |
2005 | if (!msg) |
1699 | msg = "(libev) system error"; |
2006 | msg = "(libev) system error"; |
… | |
… | |
1770 | typedef struct |
2077 | typedef struct |
1771 | { |
2078 | { |
1772 | WL head; |
2079 | WL head; |
1773 | unsigned char events; /* the events watched for */ |
2080 | unsigned char events; /* the events watched for */ |
1774 | unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ |
2081 | unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ |
1775 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
2082 | unsigned char emask; /* some backends store the actual kernel mask in here */ |
1776 | unsigned char unused; |
2083 | unsigned char eflags; /* flags field for use by backends */ |
1777 | #if EV_USE_EPOLL |
2084 | #if EV_USE_EPOLL |
1778 | unsigned int egen; /* generation counter to counter epoll bugs */ |
2085 | unsigned int egen; /* generation counter to counter epoll bugs */ |
1779 | #endif |
2086 | #endif |
1780 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
2087 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
1781 | SOCKET handle; |
2088 | SOCKET handle; |
… | |
… | |
1835 | static struct ev_loop default_loop_struct; |
2142 | static struct ev_loop default_loop_struct; |
1836 | EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */ |
2143 | EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */ |
1837 | |
2144 | |
1838 | #else |
2145 | #else |
1839 | |
2146 | |
1840 | EV_API_DECL ev_tstamp ev_rt_now = 0; /* needs to be initialised to make it a definition despite extern */ |
2147 | EV_API_DECL ev_tstamp ev_rt_now = EV_TS_CONST (0.); /* needs to be initialised to make it a definition despite extern */ |
1841 | #define VAR(name,decl) static decl; |
2148 | #define VAR(name,decl) static decl; |
1842 | #include "ev_vars.h" |
2149 | #include "ev_vars.h" |
1843 | #undef VAR |
2150 | #undef VAR |
1844 | |
2151 | |
1845 | static int ev_default_loop_ptr; |
2152 | static int ev_default_loop_ptr; |
1846 | |
2153 | |
1847 | #endif |
2154 | #endif |
1848 | |
2155 | |
1849 | #if EV_FEATURE_API |
2156 | #if EV_FEATURE_API |
1850 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
2157 | # define EV_RELEASE_CB if (ecb_expect_false (release_cb)) release_cb (EV_A) |
1851 | # define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) |
2158 | # define EV_ACQUIRE_CB if (ecb_expect_false (acquire_cb)) acquire_cb (EV_A) |
1852 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
2159 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
1853 | #else |
2160 | #else |
1854 | # define EV_RELEASE_CB (void)0 |
2161 | # define EV_RELEASE_CB (void)0 |
1855 | # define EV_ACQUIRE_CB (void)0 |
2162 | # define EV_ACQUIRE_CB (void)0 |
1856 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
2163 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
… | |
… | |
1863 | #ifndef EV_HAVE_EV_TIME |
2170 | #ifndef EV_HAVE_EV_TIME |
1864 | ev_tstamp |
2171 | ev_tstamp |
1865 | ev_time (void) EV_NOEXCEPT |
2172 | ev_time (void) EV_NOEXCEPT |
1866 | { |
2173 | { |
1867 | #if EV_USE_REALTIME |
2174 | #if EV_USE_REALTIME |
1868 | if (expect_true (have_realtime)) |
2175 | if (ecb_expect_true (have_realtime)) |
1869 | { |
2176 | { |
1870 | struct timespec ts; |
2177 | struct timespec ts; |
1871 | clock_gettime (CLOCK_REALTIME, &ts); |
2178 | clock_gettime (CLOCK_REALTIME, &ts); |
1872 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
2179 | return EV_TS_GET (ts); |
1873 | } |
2180 | } |
1874 | #endif |
2181 | #endif |
1875 | |
2182 | |
|
|
2183 | { |
1876 | struct timeval tv; |
2184 | struct timeval tv; |
1877 | gettimeofday (&tv, 0); |
2185 | gettimeofday (&tv, 0); |
1878 | return tv.tv_sec + tv.tv_usec * 1e-6; |
2186 | return EV_TV_GET (tv); |
|
|
2187 | } |
1879 | } |
2188 | } |
1880 | #endif |
2189 | #endif |
1881 | |
2190 | |
1882 | inline_size ev_tstamp |
2191 | inline_size ev_tstamp |
1883 | get_clock (void) |
2192 | get_clock (void) |
1884 | { |
2193 | { |
1885 | #if EV_USE_MONOTONIC |
2194 | #if EV_USE_MONOTONIC |
1886 | if (expect_true (have_monotonic)) |
2195 | if (ecb_expect_true (have_monotonic)) |
1887 | { |
2196 | { |
1888 | struct timespec ts; |
2197 | struct timespec ts; |
1889 | clock_gettime (CLOCK_MONOTONIC, &ts); |
2198 | clock_gettime (CLOCK_MONOTONIC, &ts); |
1890 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
2199 | return EV_TS_GET (ts); |
1891 | } |
2200 | } |
1892 | #endif |
2201 | #endif |
1893 | |
2202 | |
1894 | return ev_time (); |
2203 | return ev_time (); |
1895 | } |
2204 | } |
… | |
… | |
1903 | #endif |
2212 | #endif |
1904 | |
2213 | |
1905 | void |
2214 | void |
1906 | ev_sleep (ev_tstamp delay) EV_NOEXCEPT |
2215 | ev_sleep (ev_tstamp delay) EV_NOEXCEPT |
1907 | { |
2216 | { |
1908 | if (delay > 0.) |
2217 | if (delay > EV_TS_CONST (0.)) |
1909 | { |
2218 | { |
1910 | #if EV_USE_NANOSLEEP |
2219 | #if EV_USE_NANOSLEEP |
1911 | struct timespec ts; |
2220 | struct timespec ts; |
1912 | |
2221 | |
1913 | EV_TS_SET (ts, delay); |
2222 | EV_TS_SET (ts, delay); |
1914 | nanosleep (&ts, 0); |
2223 | nanosleep (&ts, 0); |
1915 | #elif defined _WIN32 |
2224 | #elif defined _WIN32 |
1916 | /* maybe this should round up, as ms is very low resolution */ |
2225 | /* maybe this should round up, as ms is very low resolution */ |
1917 | /* compared to select (µs) or nanosleep (ns) */ |
2226 | /* compared to select (µs) or nanosleep (ns) */ |
1918 | Sleep ((unsigned long)(delay * 1e3)); |
2227 | Sleep ((unsigned long)(EV_TS_TO_MSEC (delay))); |
1919 | #else |
2228 | #else |
1920 | struct timeval tv; |
2229 | struct timeval tv; |
1921 | |
2230 | |
1922 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
2231 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
1923 | /* something not guaranteed by newer posix versions, but guaranteed */ |
2232 | /* something not guaranteed by newer posix versions, but guaranteed */ |
… | |
… | |
1953 | } |
2262 | } |
1954 | |
2263 | |
1955 | return ncur; |
2264 | return ncur; |
1956 | } |
2265 | } |
1957 | |
2266 | |
1958 | noinline ecb_cold |
2267 | ecb_noinline ecb_cold |
1959 | static void * |
2268 | static void * |
1960 | array_realloc (int elem, void *base, int *cur, int cnt) |
2269 | array_realloc (int elem, void *base, int *cur, int cnt) |
1961 | { |
2270 | { |
1962 | *cur = array_nextsize (elem, *cur, cnt); |
2271 | *cur = array_nextsize (elem, *cur, cnt); |
1963 | return ev_realloc (base, elem * *cur); |
2272 | return ev_realloc (base, elem * *cur); |
1964 | } |
2273 | } |
1965 | |
2274 | |
|
|
2275 | #define array_needsize_noinit(base,offset,count) |
|
|
2276 | |
1966 | #define array_init_zero(base,count) \ |
2277 | #define array_needsize_zerofill(base,offset,count) \ |
1967 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
2278 | memset ((void *)(base + offset), 0, sizeof (*(base)) * (count)) |
1968 | |
2279 | |
1969 | #define array_needsize(type,base,cur,cnt,init) \ |
2280 | #define array_needsize(type,base,cur,cnt,init) \ |
1970 | if (expect_false ((cnt) > (cur))) \ |
2281 | if (ecb_expect_false ((cnt) > (cur))) \ |
1971 | { \ |
2282 | { \ |
1972 | ecb_unused int ocur_ = (cur); \ |
2283 | ecb_unused int ocur_ = (cur); \ |
1973 | (base) = (type *)array_realloc \ |
2284 | (base) = (type *)array_realloc \ |
1974 | (sizeof (type), (base), &(cur), (cnt)); \ |
2285 | (sizeof (type), (base), &(cur), (cnt)); \ |
1975 | init ((base) + (ocur_), (cur) - ocur_); \ |
2286 | init ((base), ocur_, ((cur) - ocur_)); \ |
1976 | } |
2287 | } |
1977 | |
2288 | |
1978 | #if 0 |
2289 | #if 0 |
1979 | #define array_slim(type,stem) \ |
2290 | #define array_slim(type,stem) \ |
1980 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
2291 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
… | |
… | |
1989 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
2300 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
1990 | |
2301 | |
1991 | /*****************************************************************************/ |
2302 | /*****************************************************************************/ |
1992 | |
2303 | |
1993 | /* dummy callback for pending events */ |
2304 | /* dummy callback for pending events */ |
1994 | noinline |
2305 | ecb_noinline |
1995 | static void |
2306 | static void |
1996 | pendingcb (EV_P_ ev_prepare *w, int revents) |
2307 | pendingcb (EV_P_ ev_prepare *w, int revents) |
1997 | { |
2308 | { |
1998 | } |
2309 | } |
1999 | |
2310 | |
2000 | noinline |
2311 | ecb_noinline |
2001 | void |
2312 | void |
2002 | ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT |
2313 | ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT |
2003 | { |
2314 | { |
2004 | W w_ = (W)w; |
2315 | W w_ = (W)w; |
2005 | int pri = ABSPRI (w_); |
2316 | int pri = ABSPRI (w_); |
2006 | |
2317 | |
2007 | if (expect_false (w_->pending)) |
2318 | if (ecb_expect_false (w_->pending)) |
2008 | pendings [pri][w_->pending - 1].events |= revents; |
2319 | pendings [pri][w_->pending - 1].events |= revents; |
2009 | else |
2320 | else |
2010 | { |
2321 | { |
2011 | w_->pending = ++pendingcnt [pri]; |
2322 | w_->pending = ++pendingcnt [pri]; |
2012 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
2323 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit); |
2013 | pendings [pri][w_->pending - 1].w = w_; |
2324 | pendings [pri][w_->pending - 1].w = w_; |
2014 | pendings [pri][w_->pending - 1].events = revents; |
2325 | pendings [pri][w_->pending - 1].events = revents; |
2015 | } |
2326 | } |
2016 | |
2327 | |
2017 | pendingpri = NUMPRI - 1; |
2328 | pendingpri = NUMPRI - 1; |
2018 | } |
2329 | } |
2019 | |
2330 | |
2020 | inline_speed void |
2331 | inline_speed void |
2021 | feed_reverse (EV_P_ W w) |
2332 | feed_reverse (EV_P_ W w) |
2022 | { |
2333 | { |
2023 | array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2); |
2334 | array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, array_needsize_noinit); |
2024 | rfeeds [rfeedcnt++] = w; |
2335 | rfeeds [rfeedcnt++] = w; |
2025 | } |
2336 | } |
2026 | |
2337 | |
2027 | inline_size void |
2338 | inline_size void |
2028 | feed_reverse_done (EV_P_ int revents) |
2339 | feed_reverse_done (EV_P_ int revents) |
… | |
… | |
2063 | inline_speed void |
2374 | inline_speed void |
2064 | fd_event (EV_P_ int fd, int revents) |
2375 | fd_event (EV_P_ int fd, int revents) |
2065 | { |
2376 | { |
2066 | ANFD *anfd = anfds + fd; |
2377 | ANFD *anfd = anfds + fd; |
2067 | |
2378 | |
2068 | if (expect_true (!anfd->reify)) |
2379 | if (ecb_expect_true (!anfd->reify)) |
2069 | fd_event_nocheck (EV_A_ fd, revents); |
2380 | fd_event_nocheck (EV_A_ fd, revents); |
2070 | } |
2381 | } |
2071 | |
2382 | |
2072 | void |
2383 | void |
2073 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT |
2384 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT |
… | |
… | |
2081 | inline_size void |
2392 | inline_size void |
2082 | fd_reify (EV_P) |
2393 | fd_reify (EV_P) |
2083 | { |
2394 | { |
2084 | int i; |
2395 | int i; |
2085 | |
2396 | |
|
|
2397 | /* most backends do not modify the fdchanges list in backend_modfiy. |
|
|
2398 | * except io_uring, which has fixed-size buffers which might force us |
|
|
2399 | * to handle events in backend_modify, causing fdchanges to be amended, |
|
|
2400 | * which could result in an endless loop. |
|
|
2401 | * to avoid this, we do not dynamically handle fds that were added |
|
|
2402 | * during fd_reify. that means that for those backends, fdchangecnt |
|
|
2403 | * might be non-zero during poll, which must cause them to not block. |
|
|
2404 | * to not put too much of a burden on other backends, this detail |
|
|
2405 | * needs to be handled in the backend. |
|
|
2406 | */ |
|
|
2407 | int changecnt = fdchangecnt; |
|
|
2408 | |
2086 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
2409 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
2087 | for (i = 0; i < fdchangecnt; ++i) |
2410 | for (i = 0; i < changecnt; ++i) |
2088 | { |
2411 | { |
2089 | int fd = fdchanges [i]; |
2412 | int fd = fdchanges [i]; |
2090 | ANFD *anfd = anfds + fd; |
2413 | ANFD *anfd = anfds + fd; |
2091 | |
2414 | |
2092 | if (anfd->reify & EV__IOFDSET && anfd->head) |
2415 | if (anfd->reify & EV__IOFDSET && anfd->head) |
… | |
… | |
2106 | } |
2429 | } |
2107 | } |
2430 | } |
2108 | } |
2431 | } |
2109 | #endif |
2432 | #endif |
2110 | |
2433 | |
2111 | for (i = 0; i < fdchangecnt; ++i) |
2434 | for (i = 0; i < changecnt; ++i) |
2112 | { |
2435 | { |
2113 | int fd = fdchanges [i]; |
2436 | int fd = fdchanges [i]; |
2114 | ANFD *anfd = anfds + fd; |
2437 | ANFD *anfd = anfds + fd; |
2115 | ev_io *w; |
2438 | ev_io *w; |
2116 | |
2439 | |
2117 | unsigned char o_events = anfd->events; |
2440 | unsigned char o_events = anfd->events; |
2118 | unsigned char o_reify = anfd->reify; |
2441 | unsigned char o_reify = anfd->reify; |
2119 | |
2442 | |
2120 | anfd->reify = 0; |
2443 | anfd->reify = 0; |
2121 | |
2444 | |
2122 | /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
2445 | /*if (ecb_expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
2123 | { |
2446 | { |
2124 | anfd->events = 0; |
2447 | anfd->events = 0; |
2125 | |
2448 | |
2126 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
2449 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
2127 | anfd->events |= (unsigned char)w->events; |
2450 | anfd->events |= (unsigned char)w->events; |
… | |
… | |
2132 | |
2455 | |
2133 | if (o_reify & EV__IOFDSET) |
2456 | if (o_reify & EV__IOFDSET) |
2134 | backend_modify (EV_A_ fd, o_events, anfd->events); |
2457 | backend_modify (EV_A_ fd, o_events, anfd->events); |
2135 | } |
2458 | } |
2136 | |
2459 | |
|
|
2460 | /* normally, fdchangecnt hasn't changed. if it has, then new fds have been added. |
|
|
2461 | * this is a rare case (see beginning comment in this function), so we copy them to the |
|
|
2462 | * front and hope the backend handles this case. |
|
|
2463 | */ |
|
|
2464 | if (ecb_expect_false (fdchangecnt != changecnt)) |
|
|
2465 | memmove (fdchanges, fdchanges + changecnt, (fdchangecnt - changecnt) * sizeof (*fdchanges)); |
|
|
2466 | |
2137 | fdchangecnt = 0; |
2467 | fdchangecnt -= changecnt; |
2138 | } |
2468 | } |
2139 | |
2469 | |
2140 | /* something about the given fd changed */ |
2470 | /* something about the given fd changed */ |
2141 | inline_size |
2471 | inline_size |
2142 | void |
2472 | void |
2143 | fd_change (EV_P_ int fd, int flags) |
2473 | fd_change (EV_P_ int fd, int flags) |
2144 | { |
2474 | { |
2145 | unsigned char reify = anfds [fd].reify; |
2475 | unsigned char reify = anfds [fd].reify; |
2146 | anfds [fd].reify |= flags; |
2476 | anfds [fd].reify |= flags; |
2147 | |
2477 | |
2148 | if (expect_true (!reify)) |
2478 | if (ecb_expect_true (!reify)) |
2149 | { |
2479 | { |
2150 | ++fdchangecnt; |
2480 | ++fdchangecnt; |
2151 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
2481 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit); |
2152 | fdchanges [fdchangecnt - 1] = fd; |
2482 | fdchanges [fdchangecnt - 1] = fd; |
2153 | } |
2483 | } |
2154 | } |
2484 | } |
2155 | |
2485 | |
2156 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
2486 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
… | |
… | |
2176 | return fcntl (fd, F_GETFD) != -1; |
2506 | return fcntl (fd, F_GETFD) != -1; |
2177 | #endif |
2507 | #endif |
2178 | } |
2508 | } |
2179 | |
2509 | |
2180 | /* called on EBADF to verify fds */ |
2510 | /* called on EBADF to verify fds */ |
2181 | noinline ecb_cold |
2511 | ecb_noinline ecb_cold |
2182 | static void |
2512 | static void |
2183 | fd_ebadf (EV_P) |
2513 | fd_ebadf (EV_P) |
2184 | { |
2514 | { |
2185 | int fd; |
2515 | int fd; |
2186 | |
2516 | |
… | |
… | |
2189 | if (!fd_valid (fd) && errno == EBADF) |
2519 | if (!fd_valid (fd) && errno == EBADF) |
2190 | fd_kill (EV_A_ fd); |
2520 | fd_kill (EV_A_ fd); |
2191 | } |
2521 | } |
2192 | |
2522 | |
2193 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
2523 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
2194 | noinline ecb_cold |
2524 | ecb_noinline ecb_cold |
2195 | static void |
2525 | static void |
2196 | fd_enomem (EV_P) |
2526 | fd_enomem (EV_P) |
2197 | { |
2527 | { |
2198 | int fd; |
2528 | int fd; |
2199 | |
2529 | |
… | |
… | |
2204 | break; |
2534 | break; |
2205 | } |
2535 | } |
2206 | } |
2536 | } |
2207 | |
2537 | |
2208 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
2538 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
2209 | noinline |
2539 | ecb_noinline |
2210 | static void |
2540 | static void |
2211 | fd_rearm_all (EV_P) |
2541 | fd_rearm_all (EV_P) |
2212 | { |
2542 | { |
2213 | int fd; |
2543 | int fd; |
2214 | |
2544 | |
… | |
… | |
2268 | ev_tstamp minat; |
2598 | ev_tstamp minat; |
2269 | ANHE *minpos; |
2599 | ANHE *minpos; |
2270 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; |
2600 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; |
2271 | |
2601 | |
2272 | /* find minimum child */ |
2602 | /* find minimum child */ |
2273 | if (expect_true (pos + DHEAP - 1 < E)) |
2603 | if (ecb_expect_true (pos + DHEAP - 1 < E)) |
2274 | { |
2604 | { |
2275 | /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
2605 | /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
2276 | if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
2606 | if ( minat > ANHE_at (pos [1])) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
2277 | if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
2607 | if ( minat > ANHE_at (pos [2])) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
2278 | if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
2608 | if ( minat > ANHE_at (pos [3])) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
2279 | } |
2609 | } |
2280 | else if (pos < E) |
2610 | else if (pos < E) |
2281 | { |
2611 | { |
2282 | /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
2612 | /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
2283 | if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
2613 | if (pos + 1 < E && minat > ANHE_at (pos [1])) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
2284 | if (pos + 2 < E && ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
2614 | if (pos + 2 < E && minat > ANHE_at (pos [2])) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
2285 | if (pos + 3 < E && ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
2615 | if (pos + 3 < E && minat > ANHE_at (pos [3])) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
2286 | } |
2616 | } |
2287 | else |
2617 | else |
2288 | break; |
2618 | break; |
2289 | |
2619 | |
2290 | if (ANHE_at (he) <= minat) |
2620 | if (ANHE_at (he) <= minat) |
… | |
… | |
2298 | |
2628 | |
2299 | heap [k] = he; |
2629 | heap [k] = he; |
2300 | ev_active (ANHE_w (he)) = k; |
2630 | ev_active (ANHE_w (he)) = k; |
2301 | } |
2631 | } |
2302 | |
2632 | |
2303 | #else /* 4HEAP */ |
2633 | #else /* not 4HEAP */ |
2304 | |
2634 | |
2305 | #define HEAP0 1 |
2635 | #define HEAP0 1 |
2306 | #define HPARENT(k) ((k) >> 1) |
2636 | #define HPARENT(k) ((k) >> 1) |
2307 | #define UPHEAP_DONE(p,k) (!(p)) |
2637 | #define UPHEAP_DONE(p,k) (!(p)) |
2308 | |
2638 | |
… | |
… | |
2380 | upheap (heap, i + HEAP0); |
2710 | upheap (heap, i + HEAP0); |
2381 | } |
2711 | } |
2382 | |
2712 | |
2383 | /*****************************************************************************/ |
2713 | /*****************************************************************************/ |
2384 | |
2714 | |
2385 | /* associate signal watchers to a signal signal */ |
2715 | /* associate signal watchers to a signal */ |
2386 | typedef struct |
2716 | typedef struct |
2387 | { |
2717 | { |
2388 | EV_ATOMIC_T pending; |
2718 | EV_ATOMIC_T pending; |
2389 | #if EV_MULTIPLICITY |
2719 | #if EV_MULTIPLICITY |
2390 | EV_P; |
2720 | EV_P; |
… | |
… | |
2396 | |
2726 | |
2397 | /*****************************************************************************/ |
2727 | /*****************************************************************************/ |
2398 | |
2728 | |
2399 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2729 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2400 | |
2730 | |
2401 | noinline ecb_cold |
2731 | ecb_noinline ecb_cold |
2402 | static void |
2732 | static void |
2403 | evpipe_init (EV_P) |
2733 | evpipe_init (EV_P) |
2404 | { |
2734 | { |
2405 | if (!ev_is_active (&pipe_w)) |
2735 | if (!ev_is_active (&pipe_w)) |
2406 | { |
2736 | { |
… | |
… | |
2447 | inline_speed void |
2777 | inline_speed void |
2448 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
2778 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
2449 | { |
2779 | { |
2450 | ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */ |
2780 | ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */ |
2451 | |
2781 | |
2452 | if (expect_true (*flag)) |
2782 | if (ecb_expect_true (*flag)) |
2453 | return; |
2783 | return; |
2454 | |
2784 | |
2455 | *flag = 1; |
2785 | *flag = 1; |
2456 | ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ |
2786 | ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ |
2457 | |
2787 | |
… | |
… | |
2534 | sig_pending = 0; |
2864 | sig_pending = 0; |
2535 | |
2865 | |
2536 | ECB_MEMORY_FENCE; |
2866 | ECB_MEMORY_FENCE; |
2537 | |
2867 | |
2538 | for (i = EV_NSIG - 1; i--; ) |
2868 | for (i = EV_NSIG - 1; i--; ) |
2539 | if (expect_false (signals [i].pending)) |
2869 | if (ecb_expect_false (signals [i].pending)) |
2540 | ev_feed_signal_event (EV_A_ i + 1); |
2870 | ev_feed_signal_event (EV_A_ i + 1); |
2541 | } |
2871 | } |
2542 | #endif |
2872 | #endif |
2543 | |
2873 | |
2544 | #if EV_ASYNC_ENABLE |
2874 | #if EV_ASYNC_ENABLE |
… | |
… | |
2585 | #endif |
2915 | #endif |
2586 | |
2916 | |
2587 | ev_feed_signal (signum); |
2917 | ev_feed_signal (signum); |
2588 | } |
2918 | } |
2589 | |
2919 | |
2590 | noinline |
2920 | ecb_noinline |
2591 | void |
2921 | void |
2592 | ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT |
2922 | ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT |
2593 | { |
2923 | { |
2594 | WL w; |
2924 | WL w; |
2595 | |
2925 | |
2596 | if (expect_false (signum <= 0 || signum >= EV_NSIG)) |
2926 | if (ecb_expect_false (signum <= 0 || signum >= EV_NSIG)) |
2597 | return; |
2927 | return; |
2598 | |
2928 | |
2599 | --signum; |
2929 | --signum; |
2600 | |
2930 | |
2601 | #if EV_MULTIPLICITY |
2931 | #if EV_MULTIPLICITY |
2602 | /* it is permissible to try to feed a signal to the wrong loop */ |
2932 | /* it is permissible to try to feed a signal to the wrong loop */ |
2603 | /* or, likely more useful, feeding a signal nobody is waiting for */ |
2933 | /* or, likely more useful, feeding a signal nobody is waiting for */ |
2604 | |
2934 | |
2605 | if (expect_false (signals [signum].loop != EV_A)) |
2935 | if (ecb_expect_false (signals [signum].loop != EV_A)) |
2606 | return; |
2936 | return; |
2607 | #endif |
2937 | #endif |
2608 | |
2938 | |
2609 | signals [signum].pending = 0; |
2939 | signals [signum].pending = 0; |
2610 | ECB_MEMORY_FENCE_RELEASE; |
2940 | ECB_MEMORY_FENCE_RELEASE; |
… | |
… | |
2694 | |
3024 | |
2695 | #endif |
3025 | #endif |
2696 | |
3026 | |
2697 | /*****************************************************************************/ |
3027 | /*****************************************************************************/ |
2698 | |
3028 | |
|
|
3029 | #if EV_USE_TIMERFD |
|
|
3030 | |
|
|
3031 | static void periodics_reschedule (EV_P); |
|
|
3032 | |
|
|
3033 | static void |
|
|
3034 | timerfdcb (EV_P_ ev_io *iow, int revents) |
|
|
3035 | { |
|
|
3036 | struct itimerspec its = { 0 }; |
|
|
3037 | |
|
|
3038 | its.it_value.tv_sec = ev_rt_now + (int)MAX_BLOCKTIME2; |
|
|
3039 | timerfd_settime (timerfd, TFD_TIMER_ABSTIME | TFD_TIMER_CANCEL_ON_SET, &its, 0); |
|
|
3040 | |
|
|
3041 | ev_rt_now = ev_time (); |
|
|
3042 | /* periodics_reschedule only needs ev_rt_now */ |
|
|
3043 | /* but maybe in the future we want the full treatment. */ |
|
|
3044 | /* |
|
|
3045 | now_floor = EV_TS_CONST (0.); |
|
|
3046 | time_update (EV_A_ EV_TSTAMP_HUGE); |
|
|
3047 | */ |
|
|
3048 | periodics_reschedule (EV_A); |
|
|
3049 | } |
|
|
3050 | |
|
|
3051 | ecb_noinline ecb_cold |
|
|
3052 | static void |
|
|
3053 | evtimerfd_init (EV_P) |
|
|
3054 | { |
|
|
3055 | if (!ev_is_active (&timerfd_w)) |
|
|
3056 | { |
|
|
3057 | timerfd = timerfd_create (CLOCK_REALTIME, TFD_NONBLOCK | TFD_CLOEXEC); |
|
|
3058 | |
|
|
3059 | if (timerfd >= 0) |
|
|
3060 | { |
|
|
3061 | fd_intern (timerfd); /* just to be sure */ |
|
|
3062 | |
|
|
3063 | ev_io_init (&timerfd_w, timerfdcb, timerfd, EV_READ); |
|
|
3064 | ev_set_priority (&timerfd_w, EV_MINPRI); |
|
|
3065 | ev_io_start (EV_A_ &timerfd_w); |
|
|
3066 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
|
|
3067 | |
|
|
3068 | /* (re-) arm timer */ |
|
|
3069 | timerfdcb (EV_A_ 0, 0); |
|
|
3070 | } |
|
|
3071 | } |
|
|
3072 | } |
|
|
3073 | |
|
|
3074 | #endif |
|
|
3075 | |
|
|
3076 | /*****************************************************************************/ |
|
|
3077 | |
2699 | #if EV_USE_IOCP |
3078 | #if EV_USE_IOCP |
2700 | # include "ev_iocp.c" |
3079 | # include "ev_iocp.c" |
2701 | #endif |
3080 | #endif |
2702 | #if EV_USE_PORT |
3081 | #if EV_USE_PORT |
2703 | # include "ev_port.c" |
3082 | # include "ev_port.c" |
… | |
… | |
2705 | #if EV_USE_KQUEUE |
3084 | #if EV_USE_KQUEUE |
2706 | # include "ev_kqueue.c" |
3085 | # include "ev_kqueue.c" |
2707 | #endif |
3086 | #endif |
2708 | #if EV_USE_EPOLL |
3087 | #if EV_USE_EPOLL |
2709 | # include "ev_epoll.c" |
3088 | # include "ev_epoll.c" |
|
|
3089 | #endif |
|
|
3090 | #if EV_USE_LINUXAIO |
|
|
3091 | # include "ev_linuxaio.c" |
|
|
3092 | #endif |
|
|
3093 | #if EV_USE_IOURING |
|
|
3094 | # include "ev_iouring.c" |
2710 | #endif |
3095 | #endif |
2711 | #if EV_USE_POLL |
3096 | #if EV_USE_POLL |
2712 | # include "ev_poll.c" |
3097 | # include "ev_poll.c" |
2713 | #endif |
3098 | #endif |
2714 | #if EV_USE_SELECT |
3099 | #if EV_USE_SELECT |
… | |
… | |
2743 | unsigned int |
3128 | unsigned int |
2744 | ev_supported_backends (void) EV_NOEXCEPT |
3129 | ev_supported_backends (void) EV_NOEXCEPT |
2745 | { |
3130 | { |
2746 | unsigned int flags = 0; |
3131 | unsigned int flags = 0; |
2747 | |
3132 | |
2748 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
3133 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2749 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
3134 | if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE; |
2750 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
3135 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
2751 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
3136 | if (EV_USE_LINUXAIO ) flags |= EVBACKEND_LINUXAIO; |
2752 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
3137 | if (EV_USE_IOURING && ev_linux_version () >= 0x050601) flags |= EVBACKEND_IOURING; /* 5.6.1+ */ |
2753 | |
3138 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
|
|
3139 | if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT; |
|
|
3140 | |
2754 | return flags; |
3141 | return flags; |
2755 | } |
3142 | } |
2756 | |
3143 | |
2757 | ecb_cold |
3144 | ecb_cold |
2758 | unsigned int |
3145 | unsigned int |
… | |
… | |
2772 | #endif |
3159 | #endif |
2773 | #ifdef __FreeBSD__ |
3160 | #ifdef __FreeBSD__ |
2774 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
3161 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
2775 | #endif |
3162 | #endif |
2776 | |
3163 | |
|
|
3164 | /* TODO: linuxaio is very experimental */ |
|
|
3165 | #if !EV_RECOMMEND_LINUXAIO |
|
|
3166 | flags &= ~EVBACKEND_LINUXAIO; |
|
|
3167 | #endif |
|
|
3168 | /* TODO: linuxaio is super experimental */ |
|
|
3169 | #if !EV_RECOMMEND_IOURING |
|
|
3170 | flags &= ~EVBACKEND_IOURING; |
|
|
3171 | #endif |
|
|
3172 | |
2777 | return flags; |
3173 | return flags; |
2778 | } |
3174 | } |
2779 | |
3175 | |
2780 | ecb_cold |
3176 | ecb_cold |
2781 | unsigned int |
3177 | unsigned int |
2782 | ev_embeddable_backends (void) EV_NOEXCEPT |
3178 | ev_embeddable_backends (void) EV_NOEXCEPT |
2783 | { |
3179 | { |
2784 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
3180 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT | EVBACKEND_IOURING; |
2785 | |
3181 | |
2786 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
3182 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2787 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
3183 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
2788 | flags &= ~EVBACKEND_EPOLL; |
3184 | flags &= ~EVBACKEND_EPOLL; |
2789 | |
3185 | |
|
|
3186 | /* EVBACKEND_LINUXAIO is theoretically embeddable, but suffers from a performance overhead */ |
|
|
3187 | |
2790 | return flags; |
3188 | return flags; |
2791 | } |
3189 | } |
2792 | |
3190 | |
2793 | unsigned int |
3191 | unsigned int |
2794 | ev_backend (EV_P) EV_NOEXCEPT |
3192 | ev_backend (EV_P) EV_NOEXCEPT |
… | |
… | |
2846 | acquire_cb = acquire; |
3244 | acquire_cb = acquire; |
2847 | } |
3245 | } |
2848 | #endif |
3246 | #endif |
2849 | |
3247 | |
2850 | /* initialise a loop structure, must be zero-initialised */ |
3248 | /* initialise a loop structure, must be zero-initialised */ |
2851 | noinline ecb_cold |
3249 | ecb_noinline ecb_cold |
2852 | static void |
3250 | static void |
2853 | loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT |
3251 | loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT |
2854 | { |
3252 | { |
2855 | if (!backend) |
3253 | if (!backend) |
2856 | { |
3254 | { |
… | |
… | |
2911 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
3309 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
2912 | #endif |
3310 | #endif |
2913 | #if EV_USE_SIGNALFD |
3311 | #if EV_USE_SIGNALFD |
2914 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
3312 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
2915 | #endif |
3313 | #endif |
|
|
3314 | #if EV_USE_TIMERFD |
|
|
3315 | timerfd = flags & EVFLAG_NOTIMERFD ? -1 : -2; |
|
|
3316 | #endif |
2916 | |
3317 | |
2917 | if (!(flags & EVBACKEND_MASK)) |
3318 | if (!(flags & EVBACKEND_MASK)) |
2918 | flags |= ev_recommended_backends (); |
3319 | flags |= ev_recommended_backends (); |
2919 | |
3320 | |
2920 | #if EV_USE_IOCP |
3321 | #if EV_USE_IOCP |
2921 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
3322 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
2922 | #endif |
3323 | #endif |
2923 | #if EV_USE_PORT |
3324 | #if EV_USE_PORT |
2924 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
3325 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
2925 | #endif |
3326 | #endif |
2926 | #if EV_USE_KQUEUE |
3327 | #if EV_USE_KQUEUE |
2927 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
3328 | if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags); |
|
|
3329 | #endif |
|
|
3330 | #if EV_USE_IOURING |
|
|
3331 | if (!backend && (flags & EVBACKEND_IOURING )) backend = iouring_init (EV_A_ flags); |
|
|
3332 | #endif |
|
|
3333 | #if EV_USE_LINUXAIO |
|
|
3334 | if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags); |
2928 | #endif |
3335 | #endif |
2929 | #if EV_USE_EPOLL |
3336 | #if EV_USE_EPOLL |
2930 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
3337 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
2931 | #endif |
3338 | #endif |
2932 | #if EV_USE_POLL |
3339 | #if EV_USE_POLL |
2933 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
3340 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
2934 | #endif |
3341 | #endif |
2935 | #if EV_USE_SELECT |
3342 | #if EV_USE_SELECT |
2936 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
3343 | if (!backend && (flags & EVBACKEND_SELECT )) backend = select_init (EV_A_ flags); |
2937 | #endif |
3344 | #endif |
2938 | |
3345 | |
2939 | ev_prepare_init (&pending_w, pendingcb); |
3346 | ev_prepare_init (&pending_w, pendingcb); |
2940 | |
3347 | |
2941 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
3348 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
… | |
… | |
2958 | return; |
3365 | return; |
2959 | #endif |
3366 | #endif |
2960 | |
3367 | |
2961 | #if EV_CLEANUP_ENABLE |
3368 | #if EV_CLEANUP_ENABLE |
2962 | /* queue cleanup watchers (and execute them) */ |
3369 | /* queue cleanup watchers (and execute them) */ |
2963 | if (expect_false (cleanupcnt)) |
3370 | if (ecb_expect_false (cleanupcnt)) |
2964 | { |
3371 | { |
2965 | queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP); |
3372 | queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP); |
2966 | EV_INVOKE_PENDING; |
3373 | EV_INVOKE_PENDING; |
2967 | } |
3374 | } |
2968 | #endif |
3375 | #endif |
… | |
… | |
2987 | #if EV_USE_SIGNALFD |
3394 | #if EV_USE_SIGNALFD |
2988 | if (ev_is_active (&sigfd_w)) |
3395 | if (ev_is_active (&sigfd_w)) |
2989 | close (sigfd); |
3396 | close (sigfd); |
2990 | #endif |
3397 | #endif |
2991 | |
3398 | |
|
|
3399 | #if EV_USE_TIMERFD |
|
|
3400 | if (ev_is_active (&timerfd_w)) |
|
|
3401 | close (timerfd); |
|
|
3402 | #endif |
|
|
3403 | |
2992 | #if EV_USE_INOTIFY |
3404 | #if EV_USE_INOTIFY |
2993 | if (fs_fd >= 0) |
3405 | if (fs_fd >= 0) |
2994 | close (fs_fd); |
3406 | close (fs_fd); |
2995 | #endif |
3407 | #endif |
2996 | |
3408 | |
2997 | if (backend_fd >= 0) |
3409 | if (backend_fd >= 0) |
2998 | close (backend_fd); |
3410 | close (backend_fd); |
2999 | |
3411 | |
3000 | #if EV_USE_IOCP |
3412 | #if EV_USE_IOCP |
3001 | if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); |
3413 | if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); |
3002 | #endif |
3414 | #endif |
3003 | #if EV_USE_PORT |
3415 | #if EV_USE_PORT |
3004 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
3416 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
3005 | #endif |
3417 | #endif |
3006 | #if EV_USE_KQUEUE |
3418 | #if EV_USE_KQUEUE |
3007 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
3419 | if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A); |
|
|
3420 | #endif |
|
|
3421 | #if EV_USE_IOURING |
|
|
3422 | if (backend == EVBACKEND_IOURING ) iouring_destroy (EV_A); |
|
|
3423 | #endif |
|
|
3424 | #if EV_USE_LINUXAIO |
|
|
3425 | if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A); |
3008 | #endif |
3426 | #endif |
3009 | #if EV_USE_EPOLL |
3427 | #if EV_USE_EPOLL |
3010 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
3428 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
3011 | #endif |
3429 | #endif |
3012 | #if EV_USE_POLL |
3430 | #if EV_USE_POLL |
3013 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
3431 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
3014 | #endif |
3432 | #endif |
3015 | #if EV_USE_SELECT |
3433 | #if EV_USE_SELECT |
3016 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
3434 | if (backend == EVBACKEND_SELECT ) select_destroy (EV_A); |
3017 | #endif |
3435 | #endif |
3018 | |
3436 | |
3019 | for (i = NUMPRI; i--; ) |
3437 | for (i = NUMPRI; i--; ) |
3020 | { |
3438 | { |
3021 | array_free (pending, [i]); |
3439 | array_free (pending, [i]); |
… | |
… | |
3063 | |
3481 | |
3064 | inline_size void |
3482 | inline_size void |
3065 | loop_fork (EV_P) |
3483 | loop_fork (EV_P) |
3066 | { |
3484 | { |
3067 | #if EV_USE_PORT |
3485 | #if EV_USE_PORT |
3068 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
3486 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
3069 | #endif |
3487 | #endif |
3070 | #if EV_USE_KQUEUE |
3488 | #if EV_USE_KQUEUE |
3071 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
3489 | if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A); |
|
|
3490 | #endif |
|
|
3491 | #if EV_USE_IOURING |
|
|
3492 | if (backend == EVBACKEND_IOURING ) iouring_fork (EV_A); |
|
|
3493 | #endif |
|
|
3494 | #if EV_USE_LINUXAIO |
|
|
3495 | if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A); |
3072 | #endif |
3496 | #endif |
3073 | #if EV_USE_EPOLL |
3497 | #if EV_USE_EPOLL |
3074 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
3498 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
3075 | #endif |
3499 | #endif |
3076 | #if EV_USE_INOTIFY |
3500 | #if EV_USE_INOTIFY |
3077 | infy_fork (EV_A); |
3501 | infy_fork (EV_A); |
3078 | #endif |
3502 | #endif |
3079 | |
3503 | |
|
|
3504 | if (postfork != 2) |
|
|
3505 | { |
|
|
3506 | #if EV_USE_SIGNALFD |
|
|
3507 | /* surprisingly, nothing needs to be done for signalfd, accoridng to docs, it does the right thing on fork */ |
|
|
3508 | #endif |
|
|
3509 | |
|
|
3510 | #if EV_USE_TIMERFD |
|
|
3511 | if (ev_is_active (&timerfd_w)) |
|
|
3512 | { |
|
|
3513 | ev_ref (EV_A); |
|
|
3514 | ev_io_stop (EV_A_ &timerfd_w); |
|
|
3515 | |
|
|
3516 | close (timerfd); |
|
|
3517 | timerfd = -2; |
|
|
3518 | |
|
|
3519 | evtimerfd_init (EV_A); |
|
|
3520 | /* reschedule periodics, in case we missed something */ |
|
|
3521 | ev_feed_event (EV_A_ &timerfd_w, EV_CUSTOM); |
|
|
3522 | } |
|
|
3523 | #endif |
|
|
3524 | |
3080 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
3525 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
3081 | if (ev_is_active (&pipe_w) && postfork != 2) |
3526 | if (ev_is_active (&pipe_w)) |
3082 | { |
3527 | { |
3083 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
3528 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
3084 | |
3529 | |
3085 | ev_ref (EV_A); |
3530 | ev_ref (EV_A); |
3086 | ev_io_stop (EV_A_ &pipe_w); |
3531 | ev_io_stop (EV_A_ &pipe_w); |
3087 | |
3532 | |
3088 | if (evpipe [0] >= 0) |
3533 | if (evpipe [0] >= 0) |
3089 | EV_WIN32_CLOSE_FD (evpipe [0]); |
3534 | EV_WIN32_CLOSE_FD (evpipe [0]); |
3090 | |
3535 | |
3091 | evpipe_init (EV_A); |
3536 | evpipe_init (EV_A); |
3092 | /* iterate over everything, in case we missed something before */ |
3537 | /* iterate over everything, in case we missed something before */ |
3093 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
3538 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
|
|
3539 | } |
|
|
3540 | #endif |
3094 | } |
3541 | } |
3095 | #endif |
|
|
3096 | |
3542 | |
3097 | postfork = 0; |
3543 | postfork = 0; |
3098 | } |
3544 | } |
3099 | |
3545 | |
3100 | #if EV_MULTIPLICITY |
3546 | #if EV_MULTIPLICITY |
… | |
… | |
3116 | } |
3562 | } |
3117 | |
3563 | |
3118 | #endif /* multiplicity */ |
3564 | #endif /* multiplicity */ |
3119 | |
3565 | |
3120 | #if EV_VERIFY |
3566 | #if EV_VERIFY |
3121 | noinline ecb_cold |
3567 | ecb_noinline ecb_cold |
3122 | static void |
3568 | static void |
3123 | verify_watcher (EV_P_ W w) |
3569 | verify_watcher (EV_P_ W w) |
3124 | { |
3570 | { |
3125 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
3571 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
3126 | |
3572 | |
3127 | if (w->pending) |
3573 | if (w->pending) |
3128 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
3574 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
3129 | } |
3575 | } |
3130 | |
3576 | |
3131 | noinline ecb_cold |
3577 | ecb_noinline ecb_cold |
3132 | static void |
3578 | static void |
3133 | verify_heap (EV_P_ ANHE *heap, int N) |
3579 | verify_heap (EV_P_ ANHE *heap, int N) |
3134 | { |
3580 | { |
3135 | int i; |
3581 | int i; |
3136 | |
3582 | |
… | |
… | |
3142 | |
3588 | |
3143 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
3589 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
3144 | } |
3590 | } |
3145 | } |
3591 | } |
3146 | |
3592 | |
3147 | noinline ecb_cold |
3593 | ecb_noinline ecb_cold |
3148 | static void |
3594 | static void |
3149 | array_verify (EV_P_ W *ws, int cnt) |
3595 | array_verify (EV_P_ W *ws, int cnt) |
3150 | { |
3596 | { |
3151 | while (cnt--) |
3597 | while (cnt--) |
3152 | { |
3598 | { |
… | |
… | |
3301 | count += pendingcnt [pri]; |
3747 | count += pendingcnt [pri]; |
3302 | |
3748 | |
3303 | return count; |
3749 | return count; |
3304 | } |
3750 | } |
3305 | |
3751 | |
3306 | noinline |
3752 | ecb_noinline |
3307 | void |
3753 | void |
3308 | ev_invoke_pending (EV_P) |
3754 | ev_invoke_pending (EV_P) |
3309 | { |
3755 | { |
3310 | pendingpri = NUMPRI; |
3756 | pendingpri = NUMPRI; |
3311 | |
3757 | |
… | |
… | |
3330 | /* make idle watchers pending. this handles the "call-idle */ |
3776 | /* make idle watchers pending. this handles the "call-idle */ |
3331 | /* only when higher priorities are idle" logic */ |
3777 | /* only when higher priorities are idle" logic */ |
3332 | inline_size void |
3778 | inline_size void |
3333 | idle_reify (EV_P) |
3779 | idle_reify (EV_P) |
3334 | { |
3780 | { |
3335 | if (expect_false (idleall)) |
3781 | if (ecb_expect_false (idleall)) |
3336 | { |
3782 | { |
3337 | int pri; |
3783 | int pri; |
3338 | |
3784 | |
3339 | for (pri = NUMPRI; pri--; ) |
3785 | for (pri = NUMPRI; pri--; ) |
3340 | { |
3786 | { |
… | |
… | |
3370 | { |
3816 | { |
3371 | ev_at (w) += w->repeat; |
3817 | ev_at (w) += w->repeat; |
3372 | if (ev_at (w) < mn_now) |
3818 | if (ev_at (w) < mn_now) |
3373 | ev_at (w) = mn_now; |
3819 | ev_at (w) = mn_now; |
3374 | |
3820 | |
3375 | assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
3821 | assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > EV_TS_CONST (0.))); |
3376 | |
3822 | |
3377 | ANHE_at_cache (timers [HEAP0]); |
3823 | ANHE_at_cache (timers [HEAP0]); |
3378 | downheap (timers, timercnt, HEAP0); |
3824 | downheap (timers, timercnt, HEAP0); |
3379 | } |
3825 | } |
3380 | else |
3826 | else |
… | |
… | |
3389 | } |
3835 | } |
3390 | } |
3836 | } |
3391 | |
3837 | |
3392 | #if EV_PERIODIC_ENABLE |
3838 | #if EV_PERIODIC_ENABLE |
3393 | |
3839 | |
3394 | noinline |
3840 | ecb_noinline |
3395 | static void |
3841 | static void |
3396 | periodic_recalc (EV_P_ ev_periodic *w) |
3842 | periodic_recalc (EV_P_ ev_periodic *w) |
3397 | { |
3843 | { |
3398 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
3844 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
3399 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
3845 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
… | |
… | |
3402 | while (at <= ev_rt_now) |
3848 | while (at <= ev_rt_now) |
3403 | { |
3849 | { |
3404 | ev_tstamp nat = at + w->interval; |
3850 | ev_tstamp nat = at + w->interval; |
3405 | |
3851 | |
3406 | /* when resolution fails us, we use ev_rt_now */ |
3852 | /* when resolution fails us, we use ev_rt_now */ |
3407 | if (expect_false (nat == at)) |
3853 | if (ecb_expect_false (nat == at)) |
3408 | { |
3854 | { |
3409 | at = ev_rt_now; |
3855 | at = ev_rt_now; |
3410 | break; |
3856 | break; |
3411 | } |
3857 | } |
3412 | |
3858 | |
… | |
… | |
3458 | } |
3904 | } |
3459 | } |
3905 | } |
3460 | |
3906 | |
3461 | /* simply recalculate all periodics */ |
3907 | /* simply recalculate all periodics */ |
3462 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
3908 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
3463 | noinline ecb_cold |
3909 | ecb_noinline ecb_cold |
3464 | static void |
3910 | static void |
3465 | periodics_reschedule (EV_P) |
3911 | periodics_reschedule (EV_P) |
3466 | { |
3912 | { |
3467 | int i; |
3913 | int i; |
3468 | |
3914 | |
… | |
… | |
3482 | reheap (periodics, periodiccnt); |
3928 | reheap (periodics, periodiccnt); |
3483 | } |
3929 | } |
3484 | #endif |
3930 | #endif |
3485 | |
3931 | |
3486 | /* adjust all timers by a given offset */ |
3932 | /* adjust all timers by a given offset */ |
3487 | noinline ecb_cold |
3933 | ecb_noinline ecb_cold |
3488 | static void |
3934 | static void |
3489 | timers_reschedule (EV_P_ ev_tstamp adjust) |
3935 | timers_reschedule (EV_P_ ev_tstamp adjust) |
3490 | { |
3936 | { |
3491 | int i; |
3937 | int i; |
3492 | |
3938 | |
… | |
… | |
3502 | /* also detect if there was a timejump, and act accordingly */ |
3948 | /* also detect if there was a timejump, and act accordingly */ |
3503 | inline_speed void |
3949 | inline_speed void |
3504 | time_update (EV_P_ ev_tstamp max_block) |
3950 | time_update (EV_P_ ev_tstamp max_block) |
3505 | { |
3951 | { |
3506 | #if EV_USE_MONOTONIC |
3952 | #if EV_USE_MONOTONIC |
3507 | if (expect_true (have_monotonic)) |
3953 | if (ecb_expect_true (have_monotonic)) |
3508 | { |
3954 | { |
3509 | int i; |
3955 | int i; |
3510 | ev_tstamp odiff = rtmn_diff; |
3956 | ev_tstamp odiff = rtmn_diff; |
3511 | |
3957 | |
3512 | mn_now = get_clock (); |
3958 | mn_now = get_clock (); |
3513 | |
3959 | |
3514 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
3960 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
3515 | /* interpolate in the meantime */ |
3961 | /* interpolate in the meantime */ |
3516 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
3962 | if (ecb_expect_true (mn_now - now_floor < EV_TS_CONST (MIN_TIMEJUMP * .5))) |
3517 | { |
3963 | { |
3518 | ev_rt_now = rtmn_diff + mn_now; |
3964 | ev_rt_now = rtmn_diff + mn_now; |
3519 | return; |
3965 | return; |
3520 | } |
3966 | } |
3521 | |
3967 | |
… | |
… | |
3535 | ev_tstamp diff; |
3981 | ev_tstamp diff; |
3536 | rtmn_diff = ev_rt_now - mn_now; |
3982 | rtmn_diff = ev_rt_now - mn_now; |
3537 | |
3983 | |
3538 | diff = odiff - rtmn_diff; |
3984 | diff = odiff - rtmn_diff; |
3539 | |
3985 | |
3540 | if (expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP)) |
3986 | if (ecb_expect_true ((diff < EV_TS_CONST (0.) ? -diff : diff) < EV_TS_CONST (MIN_TIMEJUMP))) |
3541 | return; /* all is well */ |
3987 | return; /* all is well */ |
3542 | |
3988 | |
3543 | ev_rt_now = ev_time (); |
3989 | ev_rt_now = ev_time (); |
3544 | mn_now = get_clock (); |
3990 | mn_now = get_clock (); |
3545 | now_floor = mn_now; |
3991 | now_floor = mn_now; |
… | |
… | |
3554 | else |
4000 | else |
3555 | #endif |
4001 | #endif |
3556 | { |
4002 | { |
3557 | ev_rt_now = ev_time (); |
4003 | ev_rt_now = ev_time (); |
3558 | |
4004 | |
3559 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
4005 | if (ecb_expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + EV_TS_CONST (MIN_TIMEJUMP))) |
3560 | { |
4006 | { |
3561 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
4007 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
3562 | timers_reschedule (EV_A_ ev_rt_now - mn_now); |
4008 | timers_reschedule (EV_A_ ev_rt_now - mn_now); |
3563 | #if EV_PERIODIC_ENABLE |
4009 | #if EV_PERIODIC_ENABLE |
3564 | periodics_reschedule (EV_A); |
4010 | periodics_reschedule (EV_A); |
… | |
… | |
3587 | #if EV_VERIFY >= 2 |
4033 | #if EV_VERIFY >= 2 |
3588 | ev_verify (EV_A); |
4034 | ev_verify (EV_A); |
3589 | #endif |
4035 | #endif |
3590 | |
4036 | |
3591 | #ifndef _WIN32 |
4037 | #ifndef _WIN32 |
3592 | if (expect_false (curpid)) /* penalise the forking check even more */ |
4038 | if (ecb_expect_false (curpid)) /* penalise the forking check even more */ |
3593 | if (expect_false (getpid () != curpid)) |
4039 | if (ecb_expect_false (getpid () != curpid)) |
3594 | { |
4040 | { |
3595 | curpid = getpid (); |
4041 | curpid = getpid (); |
3596 | postfork = 1; |
4042 | postfork = 1; |
3597 | } |
4043 | } |
3598 | #endif |
4044 | #endif |
3599 | |
4045 | |
3600 | #if EV_FORK_ENABLE |
4046 | #if EV_FORK_ENABLE |
3601 | /* we might have forked, so queue fork handlers */ |
4047 | /* we might have forked, so queue fork handlers */ |
3602 | if (expect_false (postfork)) |
4048 | if (ecb_expect_false (postfork)) |
3603 | if (forkcnt) |
4049 | if (forkcnt) |
3604 | { |
4050 | { |
3605 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
4051 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
3606 | EV_INVOKE_PENDING; |
4052 | EV_INVOKE_PENDING; |
3607 | } |
4053 | } |
3608 | #endif |
4054 | #endif |
3609 | |
4055 | |
3610 | #if EV_PREPARE_ENABLE |
4056 | #if EV_PREPARE_ENABLE |
3611 | /* queue prepare watchers (and execute them) */ |
4057 | /* queue prepare watchers (and execute them) */ |
3612 | if (expect_false (preparecnt)) |
4058 | if (ecb_expect_false (preparecnt)) |
3613 | { |
4059 | { |
3614 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
4060 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
3615 | EV_INVOKE_PENDING; |
4061 | EV_INVOKE_PENDING; |
3616 | } |
4062 | } |
3617 | #endif |
4063 | #endif |
3618 | |
4064 | |
3619 | if (expect_false (loop_done)) |
4065 | if (ecb_expect_false (loop_done)) |
3620 | break; |
4066 | break; |
3621 | |
4067 | |
3622 | /* we might have forked, so reify kernel state if necessary */ |
4068 | /* we might have forked, so reify kernel state if necessary */ |
3623 | if (expect_false (postfork)) |
4069 | if (ecb_expect_false (postfork)) |
3624 | loop_fork (EV_A); |
4070 | loop_fork (EV_A); |
3625 | |
4071 | |
3626 | /* update fd-related kernel structures */ |
4072 | /* update fd-related kernel structures */ |
3627 | fd_reify (EV_A); |
4073 | fd_reify (EV_A); |
3628 | |
4074 | |
… | |
… | |
3633 | |
4079 | |
3634 | /* remember old timestamp for io_blocktime calculation */ |
4080 | /* remember old timestamp for io_blocktime calculation */ |
3635 | ev_tstamp prev_mn_now = mn_now; |
4081 | ev_tstamp prev_mn_now = mn_now; |
3636 | |
4082 | |
3637 | /* update time to cancel out callback processing overhead */ |
4083 | /* update time to cancel out callback processing overhead */ |
3638 | time_update (EV_A_ 1e100); |
4084 | time_update (EV_A_ EV_TS_CONST (EV_TSTAMP_HUGE)); |
3639 | |
4085 | |
3640 | /* from now on, we want a pipe-wake-up */ |
4086 | /* from now on, we want a pipe-wake-up */ |
3641 | pipe_write_wanted = 1; |
4087 | pipe_write_wanted = 1; |
3642 | |
4088 | |
3643 | ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */ |
4089 | ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */ |
3644 | |
4090 | |
3645 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) |
4091 | if (ecb_expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) |
3646 | { |
4092 | { |
3647 | waittime = MAX_BLOCKTIME; |
4093 | waittime = EV_TS_CONST (MAX_BLOCKTIME); |
|
|
4094 | |
|
|
4095 | #if EV_USE_TIMERFD |
|
|
4096 | /* sleep a lot longer when we can reliably detect timejumps */ |
|
|
4097 | if (ecb_expect_true (timerfd >= 0)) |
|
|
4098 | waittime = EV_TS_CONST (MAX_BLOCKTIME2); |
|
|
4099 | #endif |
3648 | |
4100 | |
3649 | if (timercnt) |
4101 | if (timercnt) |
3650 | { |
4102 | { |
3651 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now; |
4103 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now; |
3652 | if (waittime > to) waittime = to; |
4104 | if (waittime > to) waittime = to; |
… | |
… | |
3659 | if (waittime > to) waittime = to; |
4111 | if (waittime > to) waittime = to; |
3660 | } |
4112 | } |
3661 | #endif |
4113 | #endif |
3662 | |
4114 | |
3663 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
4115 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
3664 | if (expect_false (waittime < timeout_blocktime)) |
4116 | if (ecb_expect_false (waittime < timeout_blocktime)) |
3665 | waittime = timeout_blocktime; |
4117 | waittime = timeout_blocktime; |
3666 | |
4118 | |
3667 | /* at this point, we NEED to wait, so we have to ensure */ |
4119 | /* now there are two more special cases left, either we have |
3668 | /* to pass a minimum nonzero value to the backend */ |
4120 | * already-expired timers, so we should not sleep, or we have timers |
|
|
4121 | * that expire very soon, in which case we need to wait for a minimum |
|
|
4122 | * amount of time for some event loop backends. |
|
|
4123 | */ |
3669 | if (expect_false (waittime < backend_mintime)) |
4124 | if (ecb_expect_false (waittime < backend_mintime)) |
|
|
4125 | waittime = waittime <= EV_TS_CONST (0.) |
|
|
4126 | ? EV_TS_CONST (0.) |
3670 | waittime = backend_mintime; |
4127 | : backend_mintime; |
3671 | |
4128 | |
3672 | /* extra check because io_blocktime is commonly 0 */ |
4129 | /* extra check because io_blocktime is commonly 0 */ |
3673 | if (expect_false (io_blocktime)) |
4130 | if (ecb_expect_false (io_blocktime)) |
3674 | { |
4131 | { |
3675 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
4132 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
3676 | |
4133 | |
3677 | if (sleeptime > waittime - backend_mintime) |
4134 | if (sleeptime > waittime - backend_mintime) |
3678 | sleeptime = waittime - backend_mintime; |
4135 | sleeptime = waittime - backend_mintime; |
3679 | |
4136 | |
3680 | if (expect_true (sleeptime > 0.)) |
4137 | if (ecb_expect_true (sleeptime > EV_TS_CONST (0.))) |
3681 | { |
4138 | { |
3682 | ev_sleep (sleeptime); |
4139 | ev_sleep (sleeptime); |
3683 | waittime -= sleeptime; |
4140 | waittime -= sleeptime; |
3684 | } |
4141 | } |
3685 | } |
4142 | } |
… | |
… | |
3699 | { |
4156 | { |
3700 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
4157 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
3701 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
4158 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
3702 | } |
4159 | } |
3703 | |
4160 | |
3704 | |
|
|
3705 | /* update ev_rt_now, do magic */ |
4161 | /* update ev_rt_now, do magic */ |
3706 | time_update (EV_A_ waittime + sleeptime); |
4162 | time_update (EV_A_ waittime + sleeptime); |
3707 | } |
4163 | } |
3708 | |
4164 | |
3709 | /* queue pending timers and reschedule them */ |
4165 | /* queue pending timers and reschedule them */ |
… | |
… | |
3717 | idle_reify (EV_A); |
4173 | idle_reify (EV_A); |
3718 | #endif |
4174 | #endif |
3719 | |
4175 | |
3720 | #if EV_CHECK_ENABLE |
4176 | #if EV_CHECK_ENABLE |
3721 | /* queue check watchers, to be executed first */ |
4177 | /* queue check watchers, to be executed first */ |
3722 | if (expect_false (checkcnt)) |
4178 | if (ecb_expect_false (checkcnt)) |
3723 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
4179 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
3724 | #endif |
4180 | #endif |
3725 | |
4181 | |
3726 | EV_INVOKE_PENDING; |
4182 | EV_INVOKE_PENDING; |
3727 | } |
4183 | } |
3728 | while (expect_true ( |
4184 | while (ecb_expect_true ( |
3729 | activecnt |
4185 | activecnt |
3730 | && !loop_done |
4186 | && !loop_done |
3731 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
4187 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
3732 | )); |
4188 | )); |
3733 | |
4189 | |
… | |
… | |
3760 | } |
4216 | } |
3761 | |
4217 | |
3762 | void |
4218 | void |
3763 | ev_now_update (EV_P) EV_NOEXCEPT |
4219 | ev_now_update (EV_P) EV_NOEXCEPT |
3764 | { |
4220 | { |
3765 | time_update (EV_A_ 1e100); |
4221 | time_update (EV_A_ EV_TSTAMP_HUGE); |
3766 | } |
4222 | } |
3767 | |
4223 | |
3768 | void |
4224 | void |
3769 | ev_suspend (EV_P) EV_NOEXCEPT |
4225 | ev_suspend (EV_P) EV_NOEXCEPT |
3770 | { |
4226 | { |
… | |
… | |
3797 | inline_size void |
4253 | inline_size void |
3798 | wlist_del (WL *head, WL elem) |
4254 | wlist_del (WL *head, WL elem) |
3799 | { |
4255 | { |
3800 | while (*head) |
4256 | while (*head) |
3801 | { |
4257 | { |
3802 | if (expect_true (*head == elem)) |
4258 | if (ecb_expect_true (*head == elem)) |
3803 | { |
4259 | { |
3804 | *head = elem->next; |
4260 | *head = elem->next; |
3805 | break; |
4261 | break; |
3806 | } |
4262 | } |
3807 | |
4263 | |
… | |
… | |
3824 | ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT |
4280 | ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT |
3825 | { |
4281 | { |
3826 | W w_ = (W)w; |
4282 | W w_ = (W)w; |
3827 | int pending = w_->pending; |
4283 | int pending = w_->pending; |
3828 | |
4284 | |
3829 | if (expect_true (pending)) |
4285 | if (ecb_expect_true (pending)) |
3830 | { |
4286 | { |
3831 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
4287 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
3832 | p->w = (W)&pending_w; |
4288 | p->w = (W)&pending_w; |
3833 | w_->pending = 0; |
4289 | w_->pending = 0; |
3834 | return p->events; |
4290 | return p->events; |
… | |
… | |
3861 | w->active = 0; |
4317 | w->active = 0; |
3862 | } |
4318 | } |
3863 | |
4319 | |
3864 | /*****************************************************************************/ |
4320 | /*****************************************************************************/ |
3865 | |
4321 | |
3866 | noinline |
4322 | ecb_noinline |
3867 | void |
4323 | void |
3868 | ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT |
4324 | ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT |
3869 | { |
4325 | { |
3870 | int fd = w->fd; |
4326 | int fd = w->fd; |
3871 | |
4327 | |
3872 | if (expect_false (ev_is_active (w))) |
4328 | if (ecb_expect_false (ev_is_active (w))) |
3873 | return; |
4329 | return; |
3874 | |
4330 | |
3875 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
4331 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
3876 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
4332 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
3877 | |
4333 | |
|
|
4334 | #if EV_VERIFY >= 2 |
|
|
4335 | assert (("libev: ev_io_start called on watcher with invalid fd", fd_valid (fd))); |
|
|
4336 | #endif |
3878 | EV_FREQUENT_CHECK; |
4337 | EV_FREQUENT_CHECK; |
3879 | |
4338 | |
3880 | ev_start (EV_A_ (W)w, 1); |
4339 | ev_start (EV_A_ (W)w, 1); |
3881 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
4340 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill); |
3882 | wlist_add (&anfds[fd].head, (WL)w); |
4341 | wlist_add (&anfds[fd].head, (WL)w); |
3883 | |
4342 | |
3884 | /* common bug, apparently */ |
4343 | /* common bug, apparently */ |
3885 | assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w)); |
4344 | assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w)); |
3886 | |
4345 | |
… | |
… | |
3888 | w->events &= ~EV__IOFDSET; |
4347 | w->events &= ~EV__IOFDSET; |
3889 | |
4348 | |
3890 | EV_FREQUENT_CHECK; |
4349 | EV_FREQUENT_CHECK; |
3891 | } |
4350 | } |
3892 | |
4351 | |
3893 | noinline |
4352 | ecb_noinline |
3894 | void |
4353 | void |
3895 | ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT |
4354 | ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT |
3896 | { |
4355 | { |
3897 | clear_pending (EV_A_ (W)w); |
4356 | clear_pending (EV_A_ (W)w); |
3898 | if (expect_false (!ev_is_active (w))) |
4357 | if (ecb_expect_false (!ev_is_active (w))) |
3899 | return; |
4358 | return; |
3900 | |
4359 | |
3901 | assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
4360 | assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
3902 | |
4361 | |
|
|
4362 | #if EV_VERIFY >= 2 |
|
|
4363 | assert (("libev: ev_io_stop called on watcher with invalid fd", fd_valid (w->fd))); |
|
|
4364 | #endif |
3903 | EV_FREQUENT_CHECK; |
4365 | EV_FREQUENT_CHECK; |
3904 | |
4366 | |
3905 | wlist_del (&anfds[w->fd].head, (WL)w); |
4367 | wlist_del (&anfds[w->fd].head, (WL)w); |
3906 | ev_stop (EV_A_ (W)w); |
4368 | ev_stop (EV_A_ (W)w); |
3907 | |
4369 | |
3908 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
4370 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
3909 | |
4371 | |
3910 | EV_FREQUENT_CHECK; |
4372 | EV_FREQUENT_CHECK; |
3911 | } |
4373 | } |
3912 | |
4374 | |
3913 | noinline |
4375 | ecb_noinline |
3914 | void |
4376 | void |
3915 | ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT |
4377 | ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT |
3916 | { |
4378 | { |
3917 | if (expect_false (ev_is_active (w))) |
4379 | if (ecb_expect_false (ev_is_active (w))) |
3918 | return; |
4380 | return; |
3919 | |
4381 | |
3920 | ev_at (w) += mn_now; |
4382 | ev_at (w) += mn_now; |
3921 | |
4383 | |
3922 | assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
4384 | assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
3923 | |
4385 | |
3924 | EV_FREQUENT_CHECK; |
4386 | EV_FREQUENT_CHECK; |
3925 | |
4387 | |
3926 | ++timercnt; |
4388 | ++timercnt; |
3927 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
4389 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
3928 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2); |
4390 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, array_needsize_noinit); |
3929 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
4391 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
3930 | ANHE_at_cache (timers [ev_active (w)]); |
4392 | ANHE_at_cache (timers [ev_active (w)]); |
3931 | upheap (timers, ev_active (w)); |
4393 | upheap (timers, ev_active (w)); |
3932 | |
4394 | |
3933 | EV_FREQUENT_CHECK; |
4395 | EV_FREQUENT_CHECK; |
3934 | |
4396 | |
3935 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
4397 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
3936 | } |
4398 | } |
3937 | |
4399 | |
3938 | noinline |
4400 | ecb_noinline |
3939 | void |
4401 | void |
3940 | ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT |
4402 | ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT |
3941 | { |
4403 | { |
3942 | clear_pending (EV_A_ (W)w); |
4404 | clear_pending (EV_A_ (W)w); |
3943 | if (expect_false (!ev_is_active (w))) |
4405 | if (ecb_expect_false (!ev_is_active (w))) |
3944 | return; |
4406 | return; |
3945 | |
4407 | |
3946 | EV_FREQUENT_CHECK; |
4408 | EV_FREQUENT_CHECK; |
3947 | |
4409 | |
3948 | { |
4410 | { |
… | |
… | |
3950 | |
4412 | |
3951 | assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
4413 | assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
3952 | |
4414 | |
3953 | --timercnt; |
4415 | --timercnt; |
3954 | |
4416 | |
3955 | if (expect_true (active < timercnt + HEAP0)) |
4417 | if (ecb_expect_true (active < timercnt + HEAP0)) |
3956 | { |
4418 | { |
3957 | timers [active] = timers [timercnt + HEAP0]; |
4419 | timers [active] = timers [timercnt + HEAP0]; |
3958 | adjustheap (timers, timercnt, active); |
4420 | adjustheap (timers, timercnt, active); |
3959 | } |
4421 | } |
3960 | } |
4422 | } |
… | |
… | |
3964 | ev_stop (EV_A_ (W)w); |
4426 | ev_stop (EV_A_ (W)w); |
3965 | |
4427 | |
3966 | EV_FREQUENT_CHECK; |
4428 | EV_FREQUENT_CHECK; |
3967 | } |
4429 | } |
3968 | |
4430 | |
3969 | noinline |
4431 | ecb_noinline |
3970 | void |
4432 | void |
3971 | ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT |
4433 | ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT |
3972 | { |
4434 | { |
3973 | EV_FREQUENT_CHECK; |
4435 | EV_FREQUENT_CHECK; |
3974 | |
4436 | |
… | |
… | |
3995 | } |
4457 | } |
3996 | |
4458 | |
3997 | ev_tstamp |
4459 | ev_tstamp |
3998 | ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT |
4460 | ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT |
3999 | { |
4461 | { |
4000 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
4462 | return ev_at (w) - (ev_is_active (w) ? mn_now : EV_TS_CONST (0.)); |
4001 | } |
4463 | } |
4002 | |
4464 | |
4003 | #if EV_PERIODIC_ENABLE |
4465 | #if EV_PERIODIC_ENABLE |
4004 | noinline |
4466 | ecb_noinline |
4005 | void |
4467 | void |
4006 | ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4468 | ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4007 | { |
4469 | { |
4008 | if (expect_false (ev_is_active (w))) |
4470 | if (ecb_expect_false (ev_is_active (w))) |
4009 | return; |
4471 | return; |
|
|
4472 | |
|
|
4473 | #if EV_USE_TIMERFD |
|
|
4474 | if (timerfd == -2) |
|
|
4475 | evtimerfd_init (EV_A); |
|
|
4476 | #endif |
4010 | |
4477 | |
4011 | if (w->reschedule_cb) |
4478 | if (w->reschedule_cb) |
4012 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
4479 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
4013 | else if (w->interval) |
4480 | else if (w->interval) |
4014 | { |
4481 | { |
… | |
… | |
4020 | |
4487 | |
4021 | EV_FREQUENT_CHECK; |
4488 | EV_FREQUENT_CHECK; |
4022 | |
4489 | |
4023 | ++periodiccnt; |
4490 | ++periodiccnt; |
4024 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
4491 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
4025 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2); |
4492 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, array_needsize_noinit); |
4026 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
4493 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
4027 | ANHE_at_cache (periodics [ev_active (w)]); |
4494 | ANHE_at_cache (periodics [ev_active (w)]); |
4028 | upheap (periodics, ev_active (w)); |
4495 | upheap (periodics, ev_active (w)); |
4029 | |
4496 | |
4030 | EV_FREQUENT_CHECK; |
4497 | EV_FREQUENT_CHECK; |
4031 | |
4498 | |
4032 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
4499 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
4033 | } |
4500 | } |
4034 | |
4501 | |
4035 | noinline |
4502 | ecb_noinline |
4036 | void |
4503 | void |
4037 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4504 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4038 | { |
4505 | { |
4039 | clear_pending (EV_A_ (W)w); |
4506 | clear_pending (EV_A_ (W)w); |
4040 | if (expect_false (!ev_is_active (w))) |
4507 | if (ecb_expect_false (!ev_is_active (w))) |
4041 | return; |
4508 | return; |
4042 | |
4509 | |
4043 | EV_FREQUENT_CHECK; |
4510 | EV_FREQUENT_CHECK; |
4044 | |
4511 | |
4045 | { |
4512 | { |
… | |
… | |
4047 | |
4514 | |
4048 | assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
4515 | assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
4049 | |
4516 | |
4050 | --periodiccnt; |
4517 | --periodiccnt; |
4051 | |
4518 | |
4052 | if (expect_true (active < periodiccnt + HEAP0)) |
4519 | if (ecb_expect_true (active < periodiccnt + HEAP0)) |
4053 | { |
4520 | { |
4054 | periodics [active] = periodics [periodiccnt + HEAP0]; |
4521 | periodics [active] = periodics [periodiccnt + HEAP0]; |
4055 | adjustheap (periodics, periodiccnt, active); |
4522 | adjustheap (periodics, periodiccnt, active); |
4056 | } |
4523 | } |
4057 | } |
4524 | } |
… | |
… | |
4059 | ev_stop (EV_A_ (W)w); |
4526 | ev_stop (EV_A_ (W)w); |
4060 | |
4527 | |
4061 | EV_FREQUENT_CHECK; |
4528 | EV_FREQUENT_CHECK; |
4062 | } |
4529 | } |
4063 | |
4530 | |
4064 | noinline |
4531 | ecb_noinline |
4065 | void |
4532 | void |
4066 | ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4533 | ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4067 | { |
4534 | { |
4068 | /* TODO: use adjustheap and recalculation */ |
4535 | /* TODO: use adjustheap and recalculation */ |
4069 | ev_periodic_stop (EV_A_ w); |
4536 | ev_periodic_stop (EV_A_ w); |
… | |
… | |
4075 | # define SA_RESTART 0 |
4542 | # define SA_RESTART 0 |
4076 | #endif |
4543 | #endif |
4077 | |
4544 | |
4078 | #if EV_SIGNAL_ENABLE |
4545 | #if EV_SIGNAL_ENABLE |
4079 | |
4546 | |
4080 | noinline |
4547 | ecb_noinline |
4081 | void |
4548 | void |
4082 | ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT |
4549 | ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT |
4083 | { |
4550 | { |
4084 | if (expect_false (ev_is_active (w))) |
4551 | if (ecb_expect_false (ev_is_active (w))) |
4085 | return; |
4552 | return; |
4086 | |
4553 | |
4087 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
4554 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
4088 | |
4555 | |
4089 | #if EV_MULTIPLICITY |
4556 | #if EV_MULTIPLICITY |
… | |
… | |
4158 | } |
4625 | } |
4159 | |
4626 | |
4160 | EV_FREQUENT_CHECK; |
4627 | EV_FREQUENT_CHECK; |
4161 | } |
4628 | } |
4162 | |
4629 | |
4163 | noinline |
4630 | ecb_noinline |
4164 | void |
4631 | void |
4165 | ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT |
4632 | ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT |
4166 | { |
4633 | { |
4167 | clear_pending (EV_A_ (W)w); |
4634 | clear_pending (EV_A_ (W)w); |
4168 | if (expect_false (!ev_is_active (w))) |
4635 | if (ecb_expect_false (!ev_is_active (w))) |
4169 | return; |
4636 | return; |
4170 | |
4637 | |
4171 | EV_FREQUENT_CHECK; |
4638 | EV_FREQUENT_CHECK; |
4172 | |
4639 | |
4173 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
4640 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
… | |
… | |
4206 | ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT |
4673 | ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT |
4207 | { |
4674 | { |
4208 | #if EV_MULTIPLICITY |
4675 | #if EV_MULTIPLICITY |
4209 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
4676 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
4210 | #endif |
4677 | #endif |
4211 | if (expect_false (ev_is_active (w))) |
4678 | if (ecb_expect_false (ev_is_active (w))) |
4212 | return; |
4679 | return; |
4213 | |
4680 | |
4214 | EV_FREQUENT_CHECK; |
4681 | EV_FREQUENT_CHECK; |
4215 | |
4682 | |
4216 | ev_start (EV_A_ (W)w, 1); |
4683 | ev_start (EV_A_ (W)w, 1); |
… | |
… | |
4221 | |
4688 | |
4222 | void |
4689 | void |
4223 | ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT |
4690 | ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT |
4224 | { |
4691 | { |
4225 | clear_pending (EV_A_ (W)w); |
4692 | clear_pending (EV_A_ (W)w); |
4226 | if (expect_false (!ev_is_active (w))) |
4693 | if (ecb_expect_false (!ev_is_active (w))) |
4227 | return; |
4694 | return; |
4228 | |
4695 | |
4229 | EV_FREQUENT_CHECK; |
4696 | EV_FREQUENT_CHECK; |
4230 | |
4697 | |
4231 | wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
4698 | wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
… | |
… | |
4245 | |
4712 | |
4246 | #define DEF_STAT_INTERVAL 5.0074891 |
4713 | #define DEF_STAT_INTERVAL 5.0074891 |
4247 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
4714 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
4248 | #define MIN_STAT_INTERVAL 0.1074891 |
4715 | #define MIN_STAT_INTERVAL 0.1074891 |
4249 | |
4716 | |
4250 | noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
4717 | ecb_noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
4251 | |
4718 | |
4252 | #if EV_USE_INOTIFY |
4719 | #if EV_USE_INOTIFY |
4253 | |
4720 | |
4254 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
4721 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
4255 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
4722 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
4256 | |
4723 | |
4257 | noinline |
4724 | ecb_noinline |
4258 | static void |
4725 | static void |
4259 | infy_add (EV_P_ ev_stat *w) |
4726 | infy_add (EV_P_ ev_stat *w) |
4260 | { |
4727 | { |
4261 | w->wd = inotify_add_watch (fs_fd, w->path, |
4728 | w->wd = inotify_add_watch (fs_fd, w->path, |
4262 | IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY |
4729 | IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY |
… | |
… | |
4327 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
4794 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
4328 | ev_timer_again (EV_A_ &w->timer); |
4795 | ev_timer_again (EV_A_ &w->timer); |
4329 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
4796 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
4330 | } |
4797 | } |
4331 | |
4798 | |
4332 | noinline |
4799 | ecb_noinline |
4333 | static void |
4800 | static void |
4334 | infy_del (EV_P_ ev_stat *w) |
4801 | infy_del (EV_P_ ev_stat *w) |
4335 | { |
4802 | { |
4336 | int slot; |
4803 | int slot; |
4337 | int wd = w->wd; |
4804 | int wd = w->wd; |
… | |
… | |
4345 | |
4812 | |
4346 | /* remove this watcher, if others are watching it, they will rearm */ |
4813 | /* remove this watcher, if others are watching it, they will rearm */ |
4347 | inotify_rm_watch (fs_fd, wd); |
4814 | inotify_rm_watch (fs_fd, wd); |
4348 | } |
4815 | } |
4349 | |
4816 | |
4350 | noinline |
4817 | ecb_noinline |
4351 | static void |
4818 | static void |
4352 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
4819 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
4353 | { |
4820 | { |
4354 | if (slot < 0) |
4821 | if (slot < 0) |
4355 | /* overflow, need to check for all hash slots */ |
4822 | /* overflow, need to check for all hash slots */ |
… | |
… | |
4501 | w->attr.st_nlink = 0; |
4968 | w->attr.st_nlink = 0; |
4502 | else if (!w->attr.st_nlink) |
4969 | else if (!w->attr.st_nlink) |
4503 | w->attr.st_nlink = 1; |
4970 | w->attr.st_nlink = 1; |
4504 | } |
4971 | } |
4505 | |
4972 | |
4506 | noinline |
4973 | ecb_noinline |
4507 | static void |
4974 | static void |
4508 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
4975 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
4509 | { |
4976 | { |
4510 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
4977 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
4511 | |
4978 | |
… | |
… | |
4545 | } |
5012 | } |
4546 | |
5013 | |
4547 | void |
5014 | void |
4548 | ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT |
5015 | ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT |
4549 | { |
5016 | { |
4550 | if (expect_false (ev_is_active (w))) |
5017 | if (ecb_expect_false (ev_is_active (w))) |
4551 | return; |
5018 | return; |
4552 | |
5019 | |
4553 | ev_stat_stat (EV_A_ w); |
5020 | ev_stat_stat (EV_A_ w); |
4554 | |
5021 | |
4555 | if (w->interval < MIN_STAT_INTERVAL && w->interval) |
5022 | if (w->interval < MIN_STAT_INTERVAL && w->interval) |
… | |
… | |
4577 | |
5044 | |
4578 | void |
5045 | void |
4579 | ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT |
5046 | ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT |
4580 | { |
5047 | { |
4581 | clear_pending (EV_A_ (W)w); |
5048 | clear_pending (EV_A_ (W)w); |
4582 | if (expect_false (!ev_is_active (w))) |
5049 | if (ecb_expect_false (!ev_is_active (w))) |
4583 | return; |
5050 | return; |
4584 | |
5051 | |
4585 | EV_FREQUENT_CHECK; |
5052 | EV_FREQUENT_CHECK; |
4586 | |
5053 | |
4587 | #if EV_USE_INOTIFY |
5054 | #if EV_USE_INOTIFY |
… | |
… | |
4602 | |
5069 | |
4603 | #if EV_IDLE_ENABLE |
5070 | #if EV_IDLE_ENABLE |
4604 | void |
5071 | void |
4605 | ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT |
5072 | ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT |
4606 | { |
5073 | { |
4607 | if (expect_false (ev_is_active (w))) |
5074 | if (ecb_expect_false (ev_is_active (w))) |
4608 | return; |
5075 | return; |
4609 | |
5076 | |
4610 | pri_adjust (EV_A_ (W)w); |
5077 | pri_adjust (EV_A_ (W)w); |
4611 | |
5078 | |
4612 | EV_FREQUENT_CHECK; |
5079 | EV_FREQUENT_CHECK; |
… | |
… | |
4615 | int active = ++idlecnt [ABSPRI (w)]; |
5082 | int active = ++idlecnt [ABSPRI (w)]; |
4616 | |
5083 | |
4617 | ++idleall; |
5084 | ++idleall; |
4618 | ev_start (EV_A_ (W)w, active); |
5085 | ev_start (EV_A_ (W)w, active); |
4619 | |
5086 | |
4620 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
5087 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, array_needsize_noinit); |
4621 | idles [ABSPRI (w)][active - 1] = w; |
5088 | idles [ABSPRI (w)][active - 1] = w; |
4622 | } |
5089 | } |
4623 | |
5090 | |
4624 | EV_FREQUENT_CHECK; |
5091 | EV_FREQUENT_CHECK; |
4625 | } |
5092 | } |
4626 | |
5093 | |
4627 | void |
5094 | void |
4628 | ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT |
5095 | ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT |
4629 | { |
5096 | { |
4630 | clear_pending (EV_A_ (W)w); |
5097 | clear_pending (EV_A_ (W)w); |
4631 | if (expect_false (!ev_is_active (w))) |
5098 | if (ecb_expect_false (!ev_is_active (w))) |
4632 | return; |
5099 | return; |
4633 | |
5100 | |
4634 | EV_FREQUENT_CHECK; |
5101 | EV_FREQUENT_CHECK; |
4635 | |
5102 | |
4636 | { |
5103 | { |
… | |
… | |
4649 | |
5116 | |
4650 | #if EV_PREPARE_ENABLE |
5117 | #if EV_PREPARE_ENABLE |
4651 | void |
5118 | void |
4652 | ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT |
5119 | ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT |
4653 | { |
5120 | { |
4654 | if (expect_false (ev_is_active (w))) |
5121 | if (ecb_expect_false (ev_is_active (w))) |
4655 | return; |
5122 | return; |
4656 | |
5123 | |
4657 | EV_FREQUENT_CHECK; |
5124 | EV_FREQUENT_CHECK; |
4658 | |
5125 | |
4659 | ev_start (EV_A_ (W)w, ++preparecnt); |
5126 | ev_start (EV_A_ (W)w, ++preparecnt); |
4660 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
5127 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, array_needsize_noinit); |
4661 | prepares [preparecnt - 1] = w; |
5128 | prepares [preparecnt - 1] = w; |
4662 | |
5129 | |
4663 | EV_FREQUENT_CHECK; |
5130 | EV_FREQUENT_CHECK; |
4664 | } |
5131 | } |
4665 | |
5132 | |
4666 | void |
5133 | void |
4667 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT |
5134 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT |
4668 | { |
5135 | { |
4669 | clear_pending (EV_A_ (W)w); |
5136 | clear_pending (EV_A_ (W)w); |
4670 | if (expect_false (!ev_is_active (w))) |
5137 | if (ecb_expect_false (!ev_is_active (w))) |
4671 | return; |
5138 | return; |
4672 | |
5139 | |
4673 | EV_FREQUENT_CHECK; |
5140 | EV_FREQUENT_CHECK; |
4674 | |
5141 | |
4675 | { |
5142 | { |
… | |
… | |
4687 | |
5154 | |
4688 | #if EV_CHECK_ENABLE |
5155 | #if EV_CHECK_ENABLE |
4689 | void |
5156 | void |
4690 | ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT |
5157 | ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT |
4691 | { |
5158 | { |
4692 | if (expect_false (ev_is_active (w))) |
5159 | if (ecb_expect_false (ev_is_active (w))) |
4693 | return; |
5160 | return; |
4694 | |
5161 | |
4695 | EV_FREQUENT_CHECK; |
5162 | EV_FREQUENT_CHECK; |
4696 | |
5163 | |
4697 | ev_start (EV_A_ (W)w, ++checkcnt); |
5164 | ev_start (EV_A_ (W)w, ++checkcnt); |
4698 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
5165 | array_needsize (ev_check *, checks, checkmax, checkcnt, array_needsize_noinit); |
4699 | checks [checkcnt - 1] = w; |
5166 | checks [checkcnt - 1] = w; |
4700 | |
5167 | |
4701 | EV_FREQUENT_CHECK; |
5168 | EV_FREQUENT_CHECK; |
4702 | } |
5169 | } |
4703 | |
5170 | |
4704 | void |
5171 | void |
4705 | ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT |
5172 | ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT |
4706 | { |
5173 | { |
4707 | clear_pending (EV_A_ (W)w); |
5174 | clear_pending (EV_A_ (W)w); |
4708 | if (expect_false (!ev_is_active (w))) |
5175 | if (ecb_expect_false (!ev_is_active (w))) |
4709 | return; |
5176 | return; |
4710 | |
5177 | |
4711 | EV_FREQUENT_CHECK; |
5178 | EV_FREQUENT_CHECK; |
4712 | |
5179 | |
4713 | { |
5180 | { |
… | |
… | |
4722 | EV_FREQUENT_CHECK; |
5189 | EV_FREQUENT_CHECK; |
4723 | } |
5190 | } |
4724 | #endif |
5191 | #endif |
4725 | |
5192 | |
4726 | #if EV_EMBED_ENABLE |
5193 | #if EV_EMBED_ENABLE |
4727 | noinline |
5194 | ecb_noinline |
4728 | void |
5195 | void |
4729 | ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT |
5196 | ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT |
4730 | { |
5197 | { |
4731 | ev_run (w->other, EVRUN_NOWAIT); |
5198 | ev_run (w->other, EVRUN_NOWAIT); |
4732 | } |
5199 | } |
… | |
… | |
4756 | ev_run (EV_A_ EVRUN_NOWAIT); |
5223 | ev_run (EV_A_ EVRUN_NOWAIT); |
4757 | } |
5224 | } |
4758 | } |
5225 | } |
4759 | } |
5226 | } |
4760 | |
5227 | |
|
|
5228 | #if EV_FORK_ENABLE |
4761 | static void |
5229 | static void |
4762 | embed_fork_cb (EV_P_ ev_fork *fork_w, int revents) |
5230 | embed_fork_cb (EV_P_ ev_fork *fork_w, int revents) |
4763 | { |
5231 | { |
4764 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
5232 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
4765 | |
5233 | |
… | |
… | |
4772 | ev_run (EV_A_ EVRUN_NOWAIT); |
5240 | ev_run (EV_A_ EVRUN_NOWAIT); |
4773 | } |
5241 | } |
4774 | |
5242 | |
4775 | ev_embed_start (EV_A_ w); |
5243 | ev_embed_start (EV_A_ w); |
4776 | } |
5244 | } |
|
|
5245 | #endif |
4777 | |
5246 | |
4778 | #if 0 |
5247 | #if 0 |
4779 | static void |
5248 | static void |
4780 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
5249 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
4781 | { |
5250 | { |
… | |
… | |
4784 | #endif |
5253 | #endif |
4785 | |
5254 | |
4786 | void |
5255 | void |
4787 | ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT |
5256 | ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT |
4788 | { |
5257 | { |
4789 | if (expect_false (ev_is_active (w))) |
5258 | if (ecb_expect_false (ev_is_active (w))) |
4790 | return; |
5259 | return; |
4791 | |
5260 | |
4792 | { |
5261 | { |
4793 | EV_P = w->other; |
5262 | EV_P = w->other; |
4794 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
5263 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
… | |
… | |
4802 | |
5271 | |
4803 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
5272 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
4804 | ev_set_priority (&w->prepare, EV_MINPRI); |
5273 | ev_set_priority (&w->prepare, EV_MINPRI); |
4805 | ev_prepare_start (EV_A_ &w->prepare); |
5274 | ev_prepare_start (EV_A_ &w->prepare); |
4806 | |
5275 | |
|
|
5276 | #if EV_FORK_ENABLE |
4807 | ev_fork_init (&w->fork, embed_fork_cb); |
5277 | ev_fork_init (&w->fork, embed_fork_cb); |
4808 | ev_fork_start (EV_A_ &w->fork); |
5278 | ev_fork_start (EV_A_ &w->fork); |
|
|
5279 | #endif |
4809 | |
5280 | |
4810 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
5281 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
4811 | |
5282 | |
4812 | ev_start (EV_A_ (W)w, 1); |
5283 | ev_start (EV_A_ (W)w, 1); |
4813 | |
5284 | |
… | |
… | |
4816 | |
5287 | |
4817 | void |
5288 | void |
4818 | ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT |
5289 | ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT |
4819 | { |
5290 | { |
4820 | clear_pending (EV_A_ (W)w); |
5291 | clear_pending (EV_A_ (W)w); |
4821 | if (expect_false (!ev_is_active (w))) |
5292 | if (ecb_expect_false (!ev_is_active (w))) |
4822 | return; |
5293 | return; |
4823 | |
5294 | |
4824 | EV_FREQUENT_CHECK; |
5295 | EV_FREQUENT_CHECK; |
4825 | |
5296 | |
4826 | ev_io_stop (EV_A_ &w->io); |
5297 | ev_io_stop (EV_A_ &w->io); |
4827 | ev_prepare_stop (EV_A_ &w->prepare); |
5298 | ev_prepare_stop (EV_A_ &w->prepare); |
|
|
5299 | #if EV_FORK_ENABLE |
4828 | ev_fork_stop (EV_A_ &w->fork); |
5300 | ev_fork_stop (EV_A_ &w->fork); |
|
|
5301 | #endif |
4829 | |
5302 | |
4830 | ev_stop (EV_A_ (W)w); |
5303 | ev_stop (EV_A_ (W)w); |
4831 | |
5304 | |
4832 | EV_FREQUENT_CHECK; |
5305 | EV_FREQUENT_CHECK; |
4833 | } |
5306 | } |
… | |
… | |
4835 | |
5308 | |
4836 | #if EV_FORK_ENABLE |
5309 | #if EV_FORK_ENABLE |
4837 | void |
5310 | void |
4838 | ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT |
5311 | ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT |
4839 | { |
5312 | { |
4840 | if (expect_false (ev_is_active (w))) |
5313 | if (ecb_expect_false (ev_is_active (w))) |
4841 | return; |
5314 | return; |
4842 | |
5315 | |
4843 | EV_FREQUENT_CHECK; |
5316 | EV_FREQUENT_CHECK; |
4844 | |
5317 | |
4845 | ev_start (EV_A_ (W)w, ++forkcnt); |
5318 | ev_start (EV_A_ (W)w, ++forkcnt); |
4846 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
5319 | array_needsize (ev_fork *, forks, forkmax, forkcnt, array_needsize_noinit); |
4847 | forks [forkcnt - 1] = w; |
5320 | forks [forkcnt - 1] = w; |
4848 | |
5321 | |
4849 | EV_FREQUENT_CHECK; |
5322 | EV_FREQUENT_CHECK; |
4850 | } |
5323 | } |
4851 | |
5324 | |
4852 | void |
5325 | void |
4853 | ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT |
5326 | ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT |
4854 | { |
5327 | { |
4855 | clear_pending (EV_A_ (W)w); |
5328 | clear_pending (EV_A_ (W)w); |
4856 | if (expect_false (!ev_is_active (w))) |
5329 | if (ecb_expect_false (!ev_is_active (w))) |
4857 | return; |
5330 | return; |
4858 | |
5331 | |
4859 | EV_FREQUENT_CHECK; |
5332 | EV_FREQUENT_CHECK; |
4860 | |
5333 | |
4861 | { |
5334 | { |
… | |
… | |
4873 | |
5346 | |
4874 | #if EV_CLEANUP_ENABLE |
5347 | #if EV_CLEANUP_ENABLE |
4875 | void |
5348 | void |
4876 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
5349 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
4877 | { |
5350 | { |
4878 | if (expect_false (ev_is_active (w))) |
5351 | if (ecb_expect_false (ev_is_active (w))) |
4879 | return; |
5352 | return; |
4880 | |
5353 | |
4881 | EV_FREQUENT_CHECK; |
5354 | EV_FREQUENT_CHECK; |
4882 | |
5355 | |
4883 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
5356 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
4884 | array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2); |
5357 | array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, array_needsize_noinit); |
4885 | cleanups [cleanupcnt - 1] = w; |
5358 | cleanups [cleanupcnt - 1] = w; |
4886 | |
5359 | |
4887 | /* cleanup watchers should never keep a refcount on the loop */ |
5360 | /* cleanup watchers should never keep a refcount on the loop */ |
4888 | ev_unref (EV_A); |
5361 | ev_unref (EV_A); |
4889 | EV_FREQUENT_CHECK; |
5362 | EV_FREQUENT_CHECK; |
… | |
… | |
4891 | |
5364 | |
4892 | void |
5365 | void |
4893 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
5366 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
4894 | { |
5367 | { |
4895 | clear_pending (EV_A_ (W)w); |
5368 | clear_pending (EV_A_ (W)w); |
4896 | if (expect_false (!ev_is_active (w))) |
5369 | if (ecb_expect_false (!ev_is_active (w))) |
4897 | return; |
5370 | return; |
4898 | |
5371 | |
4899 | EV_FREQUENT_CHECK; |
5372 | EV_FREQUENT_CHECK; |
4900 | ev_ref (EV_A); |
5373 | ev_ref (EV_A); |
4901 | |
5374 | |
… | |
… | |
4914 | |
5387 | |
4915 | #if EV_ASYNC_ENABLE |
5388 | #if EV_ASYNC_ENABLE |
4916 | void |
5389 | void |
4917 | ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT |
5390 | ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT |
4918 | { |
5391 | { |
4919 | if (expect_false (ev_is_active (w))) |
5392 | if (ecb_expect_false (ev_is_active (w))) |
4920 | return; |
5393 | return; |
4921 | |
5394 | |
4922 | w->sent = 0; |
5395 | w->sent = 0; |
4923 | |
5396 | |
4924 | evpipe_init (EV_A); |
5397 | evpipe_init (EV_A); |
4925 | |
5398 | |
4926 | EV_FREQUENT_CHECK; |
5399 | EV_FREQUENT_CHECK; |
4927 | |
5400 | |
4928 | ev_start (EV_A_ (W)w, ++asynccnt); |
5401 | ev_start (EV_A_ (W)w, ++asynccnt); |
4929 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
5402 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, array_needsize_noinit); |
4930 | asyncs [asynccnt - 1] = w; |
5403 | asyncs [asynccnt - 1] = w; |
4931 | |
5404 | |
4932 | EV_FREQUENT_CHECK; |
5405 | EV_FREQUENT_CHECK; |
4933 | } |
5406 | } |
4934 | |
5407 | |
4935 | void |
5408 | void |
4936 | ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT |
5409 | ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT |
4937 | { |
5410 | { |
4938 | clear_pending (EV_A_ (W)w); |
5411 | clear_pending (EV_A_ (W)w); |
4939 | if (expect_false (!ev_is_active (w))) |
5412 | if (ecb_expect_false (!ev_is_active (w))) |
4940 | return; |
5413 | return; |
4941 | |
5414 | |
4942 | EV_FREQUENT_CHECK; |
5415 | EV_FREQUENT_CHECK; |
4943 | |
5416 | |
4944 | { |
5417 | { |