1 | /* |
1 | /* |
2 | * libev event processing core, watcher management |
2 | * libev event processing core, watcher management |
3 | * |
3 | * |
4 | * Copyright (c) 2007,2008,2009,2010,2011,2012,2013 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 | |
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120 | # if HAVE_LINUX_AIO_ABI_H |
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121 | # ifndef EV_USE_LINUXAIO |
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122 | # define EV_USE_LINUXAIO EV_FEATURE_BACKENDS |
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123 | # endif |
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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 | |
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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 |
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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 | |
165 | #endif |
183 | #endif |
166 | |
184 | |
167 | /* OS X, in its infinite idiocy, actually HARDCODES |
185 | /* OS X, in its infinite idiocy, actually HARDCODES |
168 | * a limit of 1024 into their select. Where people have brains, |
186 | * a limit of 1024 into their select. Where people have brains, |
169 | * OS X engineers apparently have a vacuum. Or maybe they were |
187 | * OS X engineers apparently have a vacuum. Or maybe they were |
… | |
… | |
315 | |
333 | |
316 | #ifndef EV_USE_PORT |
334 | #ifndef EV_USE_PORT |
317 | # define EV_USE_PORT 0 |
335 | # define EV_USE_PORT 0 |
318 | #endif |
336 | #endif |
319 | |
337 | |
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338 | #ifndef EV_USE_LINUXAIO |
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339 | # if __linux /* libev currently assumes linux/aio_abi.h is always available on linux */ |
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340 | # define EV_USE_LINUXAIO 1 |
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341 | # else |
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342 | # define EV_USE_LINUXAIO 0 |
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343 | # endif |
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344 | #endif |
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345 | |
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346 | #ifndef EV_USE_IOURING |
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347 | # if __linux /* later checks might disable again */ |
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348 | # define EV_USE_IOURING 1 |
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349 | # else |
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350 | # define EV_USE_IOURING 0 |
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351 | # endif |
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352 | #endif |
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353 | |
320 | #ifndef EV_USE_INOTIFY |
354 | #ifndef EV_USE_INOTIFY |
321 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
355 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
322 | # define EV_USE_INOTIFY EV_FEATURE_OS |
356 | # define EV_USE_INOTIFY EV_FEATURE_OS |
323 | # else |
357 | # else |
324 | # define EV_USE_INOTIFY 0 |
358 | # define EV_USE_INOTIFY 0 |
… | |
… | |
389 | # include <sys/syscall.h> |
423 | # include <sys/syscall.h> |
390 | # ifdef SYS_clock_gettime |
424 | # ifdef SYS_clock_gettime |
391 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
425 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
392 | # undef EV_USE_MONOTONIC |
426 | # undef EV_USE_MONOTONIC |
393 | # define EV_USE_MONOTONIC 1 |
427 | # define EV_USE_MONOTONIC 1 |
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428 | # define EV_NEED_SYSCALL 1 |
394 | # else |
429 | # else |
395 | # undef EV_USE_CLOCK_SYSCALL |
430 | # undef EV_USE_CLOCK_SYSCALL |
396 | # define EV_USE_CLOCK_SYSCALL 0 |
431 | # define EV_USE_CLOCK_SYSCALL 0 |
397 | # endif |
432 | # endif |
398 | #endif |
433 | #endif |
… | |
… | |
412 | #if !EV_STAT_ENABLE |
447 | #if !EV_STAT_ENABLE |
413 | # undef EV_USE_INOTIFY |
448 | # undef EV_USE_INOTIFY |
414 | # define EV_USE_INOTIFY 0 |
449 | # define EV_USE_INOTIFY 0 |
415 | #endif |
450 | #endif |
416 | |
451 | |
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452 | #if __linux && EV_USE_IOURING |
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453 | # include <linux/fs.h> |
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454 | # ifndef RWF_SYNC |
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455 | # undef EV_USE_IOURING |
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456 | # define EV_USE_IOURING 0 |
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457 | # endif |
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458 | #endif |
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459 | |
417 | #if !EV_USE_NANOSLEEP |
460 | #if !EV_USE_NANOSLEEP |
418 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
461 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
419 | # if !defined _WIN32 && !defined __hpux |
462 | # if !defined _WIN32 && !defined __hpux |
420 | # include <sys/select.h> |
463 | # include <sys/select.h> |
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464 | # endif |
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465 | #endif |
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466 | |
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467 | #if EV_USE_LINUXAIO |
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468 | # include <sys/syscall.h> |
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469 | # if SYS_io_getevents && EV_USE_EPOLL /* linuxaio backend requires epoll backend */ |
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470 | # define EV_NEED_SYSCALL 1 |
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471 | # else |
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472 | # undef EV_USE_LINUXAIO |
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473 | # define EV_USE_LINUXAIO 0 |
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474 | # endif |
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475 | #endif |
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476 | |
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477 | #if EV_USE_IOURING |
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478 | # include <sys/syscall.h> |
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479 | # if !SYS_io_uring_setup && __linux && !__alpha |
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480 | # define SYS_io_uring_setup 425 |
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481 | # define SYS_io_uring_enter 426 |
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482 | # define SYS_io_uring_wregister 427 |
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483 | # endif |
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484 | # if SYS_io_uring_setup && EV_USE_EPOLL /* iouring backend requires epoll backend */ |
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485 | # define EV_NEED_SYSCALL 1 |
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486 | # else |
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487 | # undef EV_USE_IOURING |
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488 | # define EV_USE_IOURING 0 |
421 | # endif |
489 | # endif |
422 | #endif |
490 | #endif |
423 | |
491 | |
424 | #if EV_USE_INOTIFY |
492 | #if EV_USE_INOTIFY |
425 | # include <sys/statfs.h> |
493 | # include <sys/statfs.h> |
… | |
… | |
467 | uint32_t ssi_signo; |
535 | uint32_t ssi_signo; |
468 | char pad[128 - sizeof (uint32_t)]; |
536 | char pad[128 - sizeof (uint32_t)]; |
469 | }; |
537 | }; |
470 | #endif |
538 | #endif |
471 | |
539 | |
472 | /**/ |
540 | /*****************************************************************************/ |
473 | |
541 | |
474 | #if EV_VERIFY >= 3 |
542 | #if EV_VERIFY >= 3 |
475 | # define EV_FREQUENT_CHECK ev_verify (EV_A) |
543 | # define EV_FREQUENT_CHECK ev_verify (EV_A) |
476 | #else |
544 | #else |
477 | # define EV_FREQUENT_CHECK do { } while (0) |
545 | # define EV_FREQUENT_CHECK do { } while (0) |
… | |
… | |
482 | * This value is good at least till the year 4000. |
550 | * This value is good at least till the year 4000. |
483 | */ |
551 | */ |
484 | #define MIN_INTERVAL 0.0001220703125 /* 1/2**13, good till 4000 */ |
552 | #define MIN_INTERVAL 0.0001220703125 /* 1/2**13, good till 4000 */ |
485 | /*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20, good till 2200 */ |
553 | /*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20, good till 2200 */ |
486 | |
554 | |
487 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
555 | #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) */ |
556 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
489 | |
557 | |
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558 | /* find a portable timestamp that is "always" in the future but fits into time_t. |
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559 | * this is quite hard, and we are mostly guessing - we handle 32 bit signed/unsigned time_t, |
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560 | * and sizes larger than 32 bit, and maybe the unlikely floating point time_t */ |
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561 | #define EV_TSTAMP_HUGE \ |
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562 | (sizeof (time_t) >= 8 ? 10000000000000. \ |
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563 | : 0 < (time_t)4294967295 ? 4294967295. \ |
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564 | : 2147483647.) \ |
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565 | |
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566 | #ifndef EV_TS_CONST |
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567 | # define EV_TS_CONST(nv) nv |
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568 | # define EV_TS_TO_MSEC(a) a * 1e3 + 0.9999 |
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569 | # 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) |
570 | # 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) |
571 | # define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0) |
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572 | # define EV_TV_GET(tv) ((tv).tv_sec + (tv).tv_usec * 1e-6) |
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573 | # define EV_TS_GET(ts) ((ts).tv_sec + (ts).tv_nsec * 1e-9) |
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574 | #endif |
492 | |
575 | |
493 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
576 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
494 | /* ECB.H BEGIN */ |
577 | /* ECB.H BEGIN */ |
495 | /* |
578 | /* |
496 | * libecb - http://software.schmorp.de/pkg/libecb |
579 | * libecb - http://software.schmorp.de/pkg/libecb |
… | |
… | |
534 | |
617 | |
535 | #ifndef ECB_H |
618 | #ifndef ECB_H |
536 | #define ECB_H |
619 | #define ECB_H |
537 | |
620 | |
538 | /* 16 bits major, 16 bits minor */ |
621 | /* 16 bits major, 16 bits minor */ |
539 | #define ECB_VERSION 0x00010005 |
622 | #define ECB_VERSION 0x00010006 |
540 | |
623 | |
541 | #ifdef _WIN32 |
624 | #ifdef _WIN32 |
542 | typedef signed char int8_t; |
625 | typedef signed char int8_t; |
543 | typedef unsigned char uint8_t; |
626 | typedef unsigned char uint8_t; |
544 | typedef signed short int16_t; |
627 | typedef signed short int16_t; |
… | |
… | |
609 | #define ECB_CLANG_EXTENSION(x) 0 |
692 | #define ECB_CLANG_EXTENSION(x) 0 |
610 | #endif |
693 | #endif |
611 | |
694 | |
612 | #define ECB_CPP (__cplusplus+0) |
695 | #define ECB_CPP (__cplusplus+0) |
613 | #define ECB_CPP11 (__cplusplus >= 201103L) |
696 | #define ECB_CPP11 (__cplusplus >= 201103L) |
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|
697 | #define ECB_CPP14 (__cplusplus >= 201402L) |
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|
698 | #define ECB_CPP17 (__cplusplus >= 201703L) |
614 | |
699 | |
615 | #if ECB_CPP |
700 | #if ECB_CPP |
616 | #define ECB_C 0 |
701 | #define ECB_C 0 |
617 | #define ECB_STDC_VERSION 0 |
702 | #define ECB_STDC_VERSION 0 |
618 | #else |
703 | #else |
… | |
… | |
620 | #define ECB_STDC_VERSION __STDC_VERSION__ |
705 | #define ECB_STDC_VERSION __STDC_VERSION__ |
621 | #endif |
706 | #endif |
622 | |
707 | |
623 | #define ECB_C99 (ECB_STDC_VERSION >= 199901L) |
708 | #define ECB_C99 (ECB_STDC_VERSION >= 199901L) |
624 | #define ECB_C11 (ECB_STDC_VERSION >= 201112L) |
709 | #define ECB_C11 (ECB_STDC_VERSION >= 201112L) |
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|
710 | #define ECB_C17 (ECB_STDC_VERSION >= 201710L) |
625 | |
711 | |
626 | #if ECB_CPP |
712 | #if ECB_CPP |
627 | #define ECB_EXTERN_C extern "C" |
713 | #define ECB_EXTERN_C extern "C" |
628 | #define ECB_EXTERN_C_BEG ECB_EXTERN_C { |
714 | #define ECB_EXTERN_C_BEG ECB_EXTERN_C { |
629 | #define ECB_EXTERN_C_END } |
715 | #define ECB_EXTERN_C_END } |
… | |
… | |
655 | #include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */ |
741 | #include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */ |
656 | #endif |
742 | #endif |
657 | |
743 | |
658 | #ifndef ECB_MEMORY_FENCE |
744 | #ifndef ECB_MEMORY_FENCE |
659 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
745 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
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|
746 | #define ECB_MEMORY_FENCE_RELAXED __asm__ __volatile__ ("" : : : "memory") |
660 | #if __i386 || __i386__ |
747 | #if __i386 || __i386__ |
661 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
748 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
662 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
749 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
663 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
750 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory") |
664 | #elif ECB_GCC_AMD64 |
751 | #elif ECB_GCC_AMD64 |
665 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
752 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
666 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
753 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
667 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
754 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory") |
668 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
755 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
669 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
756 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
670 | #elif defined __ARM_ARCH_2__ \ |
757 | #elif defined __ARM_ARCH_2__ \ |
671 | || defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \ |
758 | || defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \ |
672 | || defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \ |
759 | || defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \ |
… | |
… | |
714 | #if ECB_GCC_VERSION(4,7) |
801 | #if ECB_GCC_VERSION(4,7) |
715 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
802 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
716 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
803 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
717 | #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE) |
804 | #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE) |
718 | #define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE) |
805 | #define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE) |
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|
806 | #define ECB_MEMORY_FENCE_RELAXED __atomic_thread_fence (__ATOMIC_RELAXED) |
719 | |
807 | |
720 | #elif ECB_CLANG_EXTENSION(c_atomic) |
808 | #elif ECB_CLANG_EXTENSION(c_atomic) |
721 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
809 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
722 | #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
810 | #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
723 | #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE) |
811 | #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE) |
724 | #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE) |
812 | #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE) |
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|
813 | #define ECB_MEMORY_FENCE_RELAXED __c11_atomic_thread_fence (__ATOMIC_RELAXED) |
725 | |
814 | |
726 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
815 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
727 | #define ECB_MEMORY_FENCE __sync_synchronize () |
816 | #define ECB_MEMORY_FENCE __sync_synchronize () |
728 | #elif _MSC_VER >= 1500 /* VC++ 2008 */ |
817 | #elif _MSC_VER >= 1500 /* VC++ 2008 */ |
729 | /* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */ |
818 | /* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */ |
… | |
… | |
739 | #elif defined _WIN32 |
828 | #elif defined _WIN32 |
740 | #include <WinNT.h> |
829 | #include <WinNT.h> |
741 | #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ |
830 | #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ |
742 | #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
831 | #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
743 | #include <mbarrier.h> |
832 | #include <mbarrier.h> |
744 | #define ECB_MEMORY_FENCE __machine_rw_barrier () |
833 | #define ECB_MEMORY_FENCE __machine_rw_barrier () |
745 | #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier () |
834 | #define ECB_MEMORY_FENCE_ACQUIRE __machine_acq_barrier () |
746 | #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier () |
835 | #define ECB_MEMORY_FENCE_RELEASE __machine_rel_barrier () |
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|
836 | #define ECB_MEMORY_FENCE_RELAXED __compiler_barrier () |
747 | #elif __xlC__ |
837 | #elif __xlC__ |
748 | #define ECB_MEMORY_FENCE __sync () |
838 | #define ECB_MEMORY_FENCE __sync () |
749 | #endif |
839 | #endif |
750 | #endif |
840 | #endif |
751 | |
841 | |
752 | #ifndef ECB_MEMORY_FENCE |
842 | #ifndef ECB_MEMORY_FENCE |
753 | #if ECB_C11 && !defined __STDC_NO_ATOMICS__ |
843 | #if ECB_C11 && !defined __STDC_NO_ATOMICS__ |
754 | /* we assume that these memory fences work on all variables/all memory accesses, */ |
844 | /* we assume that these memory fences work on all variables/all memory accesses, */ |
755 | /* not just C11 atomics and atomic accesses */ |
845 | /* not just C11 atomics and atomic accesses */ |
756 | #include <stdatomic.h> |
846 | #include <stdatomic.h> |
757 | /* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */ |
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758 | /* any fence other than seq_cst, which isn't very efficient for us. */ |
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|
759 | /* Why that is, we don't know - either the C11 memory model is quite useless */ |
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760 | /* for most usages, or gcc and clang have a bug */ |
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761 | /* I *currently* lean towards the latter, and inefficiently implement */ |
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762 | /* all three of ecb's fences as a seq_cst fence */ |
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|
763 | /* Update, gcc-4.8 generates mfence for all c++ fences, but nothing */ |
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|
764 | /* for all __atomic_thread_fence's except seq_cst */ |
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|
765 | #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst) |
847 | #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst) |
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848 | #define ECB_MEMORY_FENCE_ACQUIRE atomic_thread_fence (memory_order_acquire) |
|
|
849 | #define ECB_MEMORY_FENCE_RELEASE atomic_thread_fence (memory_order_release) |
766 | #endif |
850 | #endif |
767 | #endif |
851 | #endif |
768 | |
852 | |
769 | #ifndef ECB_MEMORY_FENCE |
853 | #ifndef ECB_MEMORY_FENCE |
770 | #if !ECB_AVOID_PTHREADS |
854 | #if !ECB_AVOID_PTHREADS |
… | |
… | |
788 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
872 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
789 | #endif |
873 | #endif |
790 | |
874 | |
791 | #if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE |
875 | #if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE |
792 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
876 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
|
|
877 | #endif |
|
|
878 | |
|
|
879 | #if !defined ECB_MEMORY_FENCE_RELAXED && defined ECB_MEMORY_FENCE |
|
|
880 | #define ECB_MEMORY_FENCE_RELAXED ECB_MEMORY_FENCE /* very heavy-handed */ |
793 | #endif |
881 | #endif |
794 | |
882 | |
795 | /*****************************************************************************/ |
883 | /*****************************************************************************/ |
796 | |
884 | |
797 | #if ECB_CPP |
885 | #if ECB_CPP |
… | |
… | |
1506 | /* ECB.H END */ |
1594 | /* ECB.H END */ |
1507 | |
1595 | |
1508 | #if ECB_MEMORY_FENCE_NEEDS_PTHREADS |
1596 | #if ECB_MEMORY_FENCE_NEEDS_PTHREADS |
1509 | /* if your architecture doesn't need memory fences, e.g. because it is |
1597 | /* if your architecture doesn't need memory fences, e.g. because it is |
1510 | * single-cpu/core, or if you use libev in a project that doesn't use libev |
1598 | * single-cpu/core, or if you use libev in a project that doesn't use libev |
1511 | * from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling |
1599 | * from multiple threads, then you can define ECB_NO_THREADS when compiling |
1512 | * libev, in which cases the memory fences become nops. |
1600 | * libev, in which cases the memory fences become nops. |
1513 | * alternatively, you can remove this #error and link against libpthread, |
1601 | * alternatively, you can remove this #error and link against libpthread, |
1514 | * which will then provide the memory fences. |
1602 | * which will then provide the memory fences. |
1515 | */ |
1603 | */ |
1516 | # error "memory fences not defined for your architecture, please report" |
1604 | # error "memory fences not defined for your architecture, please report" |
… | |
… | |
1520 | # define ECB_MEMORY_FENCE do { } while (0) |
1608 | # define ECB_MEMORY_FENCE do { } while (0) |
1521 | # define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
1609 | # define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
1522 | # define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
1610 | # define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
1523 | #endif |
1611 | #endif |
1524 | |
1612 | |
1525 | #define expect_false(cond) ecb_expect_false (cond) |
|
|
1526 | #define expect_true(cond) ecb_expect_true (cond) |
|
|
1527 | #define noinline ecb_noinline |
|
|
1528 | |
|
|
1529 | #define inline_size ecb_inline |
1613 | #define inline_size ecb_inline |
1530 | |
1614 | |
1531 | #if EV_FEATURE_CODE |
1615 | #if EV_FEATURE_CODE |
1532 | # define inline_speed ecb_inline |
1616 | # define inline_speed ecb_inline |
1533 | #else |
1617 | #else |
1534 | # define inline_speed noinline static |
1618 | # define inline_speed ecb_noinline static |
1535 | #endif |
1619 | #endif |
|
|
1620 | |
|
|
1621 | /*****************************************************************************/ |
|
|
1622 | /* raw syscall wrappers */ |
|
|
1623 | |
|
|
1624 | #if EV_NEED_SYSCALL |
|
|
1625 | |
|
|
1626 | #include <sys/syscall.h> |
|
|
1627 | |
|
|
1628 | /* |
|
|
1629 | * define some syscall wrappers for common architectures |
|
|
1630 | * this is mostly for nice looks during debugging, not performance. |
|
|
1631 | * our syscalls return < 0, not == -1, on error. which is good |
|
|
1632 | * enough for linux aio. |
|
|
1633 | * TODO: arm is also common nowadays, maybe even mips and x86 |
|
|
1634 | * TODO: after implementing this, it suddenly looks like overkill, but its hard to remove... |
|
|
1635 | */ |
|
|
1636 | #if __GNUC__ && __linux && ECB_AMD64 && !defined __OPTIMIZE_SIZE__ |
|
|
1637 | /* the costly errno access probably kills this for size optimisation */ |
|
|
1638 | |
|
|
1639 | #define ev_syscall(nr,narg,arg1,arg2,arg3,arg4,arg5,arg6) \ |
|
|
1640 | ({ \ |
|
|
1641 | long res; \ |
|
|
1642 | register unsigned long r6 __asm__ ("r9" ); \ |
|
|
1643 | register unsigned long r5 __asm__ ("r8" ); \ |
|
|
1644 | register unsigned long r4 __asm__ ("r10"); \ |
|
|
1645 | register unsigned long r3 __asm__ ("rdx"); \ |
|
|
1646 | register unsigned long r2 __asm__ ("rsi"); \ |
|
|
1647 | register unsigned long r1 __asm__ ("rdi"); \ |
|
|
1648 | if (narg >= 6) r6 = (unsigned long)(arg6); \ |
|
|
1649 | if (narg >= 5) r5 = (unsigned long)(arg5); \ |
|
|
1650 | if (narg >= 4) r4 = (unsigned long)(arg4); \ |
|
|
1651 | if (narg >= 3) r3 = (unsigned long)(arg3); \ |
|
|
1652 | if (narg >= 2) r2 = (unsigned long)(arg2); \ |
|
|
1653 | if (narg >= 1) r1 = (unsigned long)(arg1); \ |
|
|
1654 | __asm__ __volatile__ ( \ |
|
|
1655 | "syscall\n\t" \ |
|
|
1656 | : "=a" (res) \ |
|
|
1657 | : "0" (nr), "r" (r1), "r" (r2), "r" (r3), "r" (r4), "r" (r5) \ |
|
|
1658 | : "cc", "r11", "cx", "memory"); \ |
|
|
1659 | errno = -res; \ |
|
|
1660 | res; \ |
|
|
1661 | }) |
|
|
1662 | |
|
|
1663 | #endif |
|
|
1664 | |
|
|
1665 | #ifdef ev_syscall |
|
|
1666 | #define ev_syscall0(nr) ev_syscall (nr, 0, 0, 0, 0, 0, 0, 0) |
|
|
1667 | #define ev_syscall1(nr,arg1) ev_syscall (nr, 1, arg1, 0, 0, 0, 0, 0) |
|
|
1668 | #define ev_syscall2(nr,arg1,arg2) ev_syscall (nr, 2, arg1, arg2, 0, 0, 0, 0) |
|
|
1669 | #define ev_syscall3(nr,arg1,arg2,arg3) ev_syscall (nr, 3, arg1, arg2, arg3, 0, 0, 0) |
|
|
1670 | #define ev_syscall4(nr,arg1,arg2,arg3,arg4) ev_syscall (nr, 3, arg1, arg2, arg3, arg4, 0, 0) |
|
|
1671 | #define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) ev_syscall (nr, 5, arg1, arg2, arg3, arg4, arg5, 0) |
|
|
1672 | #define ev_syscall6(nr,arg1,arg2,arg3,arg4,arg5,arg6) ev_syscall (nr, 6, arg1, arg2, arg3, arg4, arg5,arg6) |
|
|
1673 | #else |
|
|
1674 | #define ev_syscall0(nr) syscall (nr) |
|
|
1675 | #define ev_syscall1(nr,arg1) syscall (nr, arg1) |
|
|
1676 | #define ev_syscall2(nr,arg1,arg2) syscall (nr, arg1, arg2) |
|
|
1677 | #define ev_syscall3(nr,arg1,arg2,arg3) syscall (nr, arg1, arg2, arg3) |
|
|
1678 | #define ev_syscall4(nr,arg1,arg2,arg3,arg4) syscall (nr, arg1, arg2, arg3, arg4) |
|
|
1679 | #define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) syscall (nr, arg1, arg2, arg3, arg4, arg5) |
|
|
1680 | #define ev_syscall6(nr,arg1,arg2,arg3,arg4,arg5,arg6) syscall (nr, arg1, arg2, arg3, arg4, arg5,arg6) |
|
|
1681 | #endif |
|
|
1682 | |
|
|
1683 | #endif |
|
|
1684 | |
|
|
1685 | /*****************************************************************************/ |
1536 | |
1686 | |
1537 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
1687 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
1538 | |
1688 | |
1539 | #if EV_MINPRI == EV_MAXPRI |
1689 | #if EV_MINPRI == EV_MAXPRI |
1540 | # define ABSPRI(w) (((W)w), 0) |
1690 | # define ABSPRI(w) (((W)w), 0) |
1541 | #else |
1691 | #else |
1542 | # define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
1692 | # define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
1543 | #endif |
1693 | #endif |
1544 | |
1694 | |
1545 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
1695 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
1546 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
|
|
1547 | |
1696 | |
1548 | typedef ev_watcher *W; |
1697 | typedef ev_watcher *W; |
1549 | typedef ev_watcher_list *WL; |
1698 | typedef ev_watcher_list *WL; |
1550 | typedef ev_watcher_time *WT; |
1699 | typedef ev_watcher_time *WT; |
1551 | |
1700 | |
… | |
… | |
1576 | # include "ev_win32.c" |
1725 | # include "ev_win32.c" |
1577 | #endif |
1726 | #endif |
1578 | |
1727 | |
1579 | /*****************************************************************************/ |
1728 | /*****************************************************************************/ |
1580 | |
1729 | |
|
|
1730 | #if EV_USE_LINUXAIO |
|
|
1731 | # include <linux/aio_abi.h> /* probably only needed for aio_context_t */ |
|
|
1732 | #endif |
|
|
1733 | |
1581 | /* define a suitable floor function (only used by periodics atm) */ |
1734 | /* define a suitable floor function (only used by periodics atm) */ |
1582 | |
1735 | |
1583 | #if EV_USE_FLOOR |
1736 | #if EV_USE_FLOOR |
1584 | # include <math.h> |
1737 | # include <math.h> |
1585 | # define ev_floor(v) floor (v) |
1738 | # define ev_floor(v) floor (v) |
1586 | #else |
1739 | #else |
1587 | |
1740 | |
1588 | #include <float.h> |
1741 | #include <float.h> |
1589 | |
1742 | |
1590 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
1743 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
1591 | noinline |
1744 | ecb_noinline |
1592 | static ev_tstamp |
1745 | static ev_tstamp |
1593 | ev_floor (ev_tstamp v) |
1746 | ev_floor (ev_tstamp v) |
1594 | { |
1747 | { |
1595 | /* the choice of shift factor is not terribly important */ |
1748 | /* the choice of shift factor is not terribly important */ |
1596 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
1749 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
1597 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
1750 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
1598 | #else |
1751 | #else |
1599 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.; |
1752 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.; |
1600 | #endif |
1753 | #endif |
1601 | |
1754 | |
|
|
1755 | /* special treatment for negative arguments */ |
|
|
1756 | if (ecb_expect_false (v < 0.)) |
|
|
1757 | { |
|
|
1758 | ev_tstamp f = -ev_floor (-v); |
|
|
1759 | |
|
|
1760 | return f - (f == v ? 0 : 1); |
|
|
1761 | } |
|
|
1762 | |
1602 | /* argument too large for an unsigned long? */ |
1763 | /* argument too large for an unsigned long? then reduce it */ |
1603 | if (expect_false (v >= shift)) |
1764 | if (ecb_expect_false (v >= shift)) |
1604 | { |
1765 | { |
1605 | ev_tstamp f; |
1766 | ev_tstamp f; |
1606 | |
1767 | |
1607 | if (v == v - 1.) |
1768 | if (v == v - 1.) |
1608 | return v; /* very large number */ |
1769 | return v; /* very large numbers are assumed to be integer */ |
1609 | |
1770 | |
1610 | f = shift * ev_floor (v * (1. / shift)); |
1771 | f = shift * ev_floor (v * (1. / shift)); |
1611 | return f + ev_floor (v - f); |
1772 | return f + ev_floor (v - f); |
1612 | } |
1773 | } |
1613 | |
1774 | |
1614 | /* special treatment for negative args? */ |
|
|
1615 | if (expect_false (v < 0.)) |
|
|
1616 | { |
|
|
1617 | ev_tstamp f = -ev_floor (-v); |
|
|
1618 | |
|
|
1619 | return f - (f == v ? 0 : 1); |
|
|
1620 | } |
|
|
1621 | |
|
|
1622 | /* fits into an unsigned long */ |
1775 | /* fits into an unsigned long */ |
1623 | return (unsigned long)v; |
1776 | return (unsigned long)v; |
1624 | } |
1777 | } |
1625 | |
1778 | |
1626 | #endif |
1779 | #endif |
… | |
… | |
1629 | |
1782 | |
1630 | #ifdef __linux |
1783 | #ifdef __linux |
1631 | # include <sys/utsname.h> |
1784 | # include <sys/utsname.h> |
1632 | #endif |
1785 | #endif |
1633 | |
1786 | |
1634 | noinline ecb_cold |
1787 | ecb_noinline ecb_cold |
1635 | static unsigned int |
1788 | static unsigned int |
1636 | ev_linux_version (void) |
1789 | ev_linux_version (void) |
1637 | { |
1790 | { |
1638 | #ifdef __linux |
1791 | #ifdef __linux |
1639 | unsigned int v = 0; |
1792 | unsigned int v = 0; |
… | |
… | |
1669 | } |
1822 | } |
1670 | |
1823 | |
1671 | /*****************************************************************************/ |
1824 | /*****************************************************************************/ |
1672 | |
1825 | |
1673 | #if EV_AVOID_STDIO |
1826 | #if EV_AVOID_STDIO |
1674 | noinline ecb_cold |
1827 | ecb_noinline ecb_cold |
1675 | static void |
1828 | static void |
1676 | ev_printerr (const char *msg) |
1829 | ev_printerr (const char *msg) |
1677 | { |
1830 | { |
1678 | write (STDERR_FILENO, msg, strlen (msg)); |
1831 | write (STDERR_FILENO, msg, strlen (msg)); |
1679 | } |
1832 | } |
1680 | #endif |
1833 | #endif |
1681 | |
1834 | |
1682 | static void (*syserr_cb)(const char *msg) EV_THROW; |
1835 | static void (*syserr_cb)(const char *msg) EV_NOEXCEPT; |
1683 | |
1836 | |
1684 | ecb_cold |
1837 | ecb_cold |
1685 | void |
1838 | void |
1686 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW |
1839 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT |
1687 | { |
1840 | { |
1688 | syserr_cb = cb; |
1841 | syserr_cb = cb; |
1689 | } |
1842 | } |
1690 | |
1843 | |
1691 | noinline ecb_cold |
1844 | ecb_noinline ecb_cold |
1692 | static void |
1845 | static void |
1693 | ev_syserr (const char *msg) |
1846 | ev_syserr (const char *msg) |
1694 | { |
1847 | { |
1695 | if (!msg) |
1848 | if (!msg) |
1696 | msg = "(libev) system error"; |
1849 | msg = "(libev) system error"; |
… | |
… | |
1710 | abort (); |
1863 | abort (); |
1711 | } |
1864 | } |
1712 | } |
1865 | } |
1713 | |
1866 | |
1714 | static void * |
1867 | static void * |
1715 | ev_realloc_emul (void *ptr, long size) EV_THROW |
1868 | ev_realloc_emul (void *ptr, long size) EV_NOEXCEPT |
1716 | { |
1869 | { |
1717 | /* some systems, notably openbsd and darwin, fail to properly |
1870 | /* some systems, notably openbsd and darwin, fail to properly |
1718 | * implement realloc (x, 0) (as required by both ansi c-89 and |
1871 | * implement realloc (x, 0) (as required by both ansi c-89 and |
1719 | * the single unix specification, so work around them here. |
1872 | * the single unix specification, so work around them here. |
1720 | * recently, also (at least) fedora and debian started breaking it, |
1873 | * recently, also (at least) fedora and debian started breaking it, |
… | |
… | |
1726 | |
1879 | |
1727 | free (ptr); |
1880 | free (ptr); |
1728 | return 0; |
1881 | return 0; |
1729 | } |
1882 | } |
1730 | |
1883 | |
1731 | static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul; |
1884 | static void *(*alloc)(void *ptr, long size) EV_NOEXCEPT = ev_realloc_emul; |
1732 | |
1885 | |
1733 | ecb_cold |
1886 | ecb_cold |
1734 | void |
1887 | void |
1735 | ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW |
1888 | ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT |
1736 | { |
1889 | { |
1737 | alloc = cb; |
1890 | alloc = cb; |
1738 | } |
1891 | } |
1739 | |
1892 | |
1740 | inline_speed void * |
1893 | inline_speed void * |
… | |
… | |
1767 | typedef struct |
1920 | typedef struct |
1768 | { |
1921 | { |
1769 | WL head; |
1922 | WL head; |
1770 | unsigned char events; /* the events watched for */ |
1923 | unsigned char events; /* the events watched for */ |
1771 | unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ |
1924 | unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ |
1772 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
1925 | unsigned char emask; /* some backends store the actual kernel mask in here */ |
1773 | unsigned char unused; |
1926 | unsigned char eflags; /* flags field for use by backends */ |
1774 | #if EV_USE_EPOLL |
1927 | #if EV_USE_EPOLL |
1775 | unsigned int egen; /* generation counter to counter epoll bugs */ |
1928 | unsigned int egen; /* generation counter to counter epoll bugs */ |
1776 | #endif |
1929 | #endif |
1777 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
1930 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
1778 | SOCKET handle; |
1931 | SOCKET handle; |
… | |
… | |
1832 | static struct ev_loop default_loop_struct; |
1985 | static struct ev_loop default_loop_struct; |
1833 | EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */ |
1986 | EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */ |
1834 | |
1987 | |
1835 | #else |
1988 | #else |
1836 | |
1989 | |
1837 | EV_API_DECL ev_tstamp ev_rt_now = 0; /* needs to be initialised to make it a definition despite extern */ |
1990 | EV_API_DECL ev_tstamp ev_rt_now = EV_TS_CONST (0.); /* needs to be initialised to make it a definition despite extern */ |
1838 | #define VAR(name,decl) static decl; |
1991 | #define VAR(name,decl) static decl; |
1839 | #include "ev_vars.h" |
1992 | #include "ev_vars.h" |
1840 | #undef VAR |
1993 | #undef VAR |
1841 | |
1994 | |
1842 | static int ev_default_loop_ptr; |
1995 | static int ev_default_loop_ptr; |
1843 | |
1996 | |
1844 | #endif |
1997 | #endif |
1845 | |
1998 | |
1846 | #if EV_FEATURE_API |
1999 | #if EV_FEATURE_API |
1847 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
2000 | # define EV_RELEASE_CB if (ecb_expect_false (release_cb)) release_cb (EV_A) |
1848 | # define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) |
2001 | # define EV_ACQUIRE_CB if (ecb_expect_false (acquire_cb)) acquire_cb (EV_A) |
1849 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
2002 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
1850 | #else |
2003 | #else |
1851 | # define EV_RELEASE_CB (void)0 |
2004 | # define EV_RELEASE_CB (void)0 |
1852 | # define EV_ACQUIRE_CB (void)0 |
2005 | # define EV_ACQUIRE_CB (void)0 |
1853 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
2006 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
… | |
… | |
1857 | |
2010 | |
1858 | /*****************************************************************************/ |
2011 | /*****************************************************************************/ |
1859 | |
2012 | |
1860 | #ifndef EV_HAVE_EV_TIME |
2013 | #ifndef EV_HAVE_EV_TIME |
1861 | ev_tstamp |
2014 | ev_tstamp |
1862 | ev_time (void) EV_THROW |
2015 | ev_time (void) EV_NOEXCEPT |
1863 | { |
2016 | { |
1864 | #if EV_USE_REALTIME |
2017 | #if EV_USE_REALTIME |
1865 | if (expect_true (have_realtime)) |
2018 | if (ecb_expect_true (have_realtime)) |
1866 | { |
2019 | { |
1867 | struct timespec ts; |
2020 | struct timespec ts; |
1868 | clock_gettime (CLOCK_REALTIME, &ts); |
2021 | clock_gettime (CLOCK_REALTIME, &ts); |
1869 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
2022 | return EV_TS_GET (ts); |
1870 | } |
2023 | } |
1871 | #endif |
2024 | #endif |
1872 | |
2025 | |
|
|
2026 | { |
1873 | struct timeval tv; |
2027 | struct timeval tv; |
1874 | gettimeofday (&tv, 0); |
2028 | gettimeofday (&tv, 0); |
1875 | return tv.tv_sec + tv.tv_usec * 1e-6; |
2029 | return EV_TV_GET (tv); |
|
|
2030 | } |
1876 | } |
2031 | } |
1877 | #endif |
2032 | #endif |
1878 | |
2033 | |
1879 | inline_size ev_tstamp |
2034 | inline_size ev_tstamp |
1880 | get_clock (void) |
2035 | get_clock (void) |
1881 | { |
2036 | { |
1882 | #if EV_USE_MONOTONIC |
2037 | #if EV_USE_MONOTONIC |
1883 | if (expect_true (have_monotonic)) |
2038 | if (ecb_expect_true (have_monotonic)) |
1884 | { |
2039 | { |
1885 | struct timespec ts; |
2040 | struct timespec ts; |
1886 | clock_gettime (CLOCK_MONOTONIC, &ts); |
2041 | clock_gettime (CLOCK_MONOTONIC, &ts); |
1887 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
2042 | return EV_TS_GET (ts); |
1888 | } |
2043 | } |
1889 | #endif |
2044 | #endif |
1890 | |
2045 | |
1891 | return ev_time (); |
2046 | return ev_time (); |
1892 | } |
2047 | } |
1893 | |
2048 | |
1894 | #if EV_MULTIPLICITY |
2049 | #if EV_MULTIPLICITY |
1895 | ev_tstamp |
2050 | ev_tstamp |
1896 | ev_now (EV_P) EV_THROW |
2051 | ev_now (EV_P) EV_NOEXCEPT |
1897 | { |
2052 | { |
1898 | return ev_rt_now; |
2053 | return ev_rt_now; |
1899 | } |
2054 | } |
1900 | #endif |
2055 | #endif |
1901 | |
2056 | |
1902 | void |
2057 | void |
1903 | ev_sleep (ev_tstamp delay) EV_THROW |
2058 | ev_sleep (ev_tstamp delay) EV_NOEXCEPT |
1904 | { |
2059 | { |
1905 | if (delay > 0.) |
2060 | if (delay > EV_TS_CONST (0.)) |
1906 | { |
2061 | { |
1907 | #if EV_USE_NANOSLEEP |
2062 | #if EV_USE_NANOSLEEP |
1908 | struct timespec ts; |
2063 | struct timespec ts; |
1909 | |
2064 | |
1910 | EV_TS_SET (ts, delay); |
2065 | EV_TS_SET (ts, delay); |
1911 | nanosleep (&ts, 0); |
2066 | nanosleep (&ts, 0); |
1912 | #elif defined _WIN32 |
2067 | #elif defined _WIN32 |
1913 | /* maybe this should round up, as ms is very low resolution */ |
2068 | /* maybe this should round up, as ms is very low resolution */ |
1914 | /* compared to select (µs) or nanosleep (ns) */ |
2069 | /* compared to select (µs) or nanosleep (ns) */ |
1915 | Sleep ((unsigned long)(delay * 1e3)); |
2070 | Sleep ((unsigned long)(EV_TS_TO_MSEC (delay))); |
1916 | #else |
2071 | #else |
1917 | struct timeval tv; |
2072 | struct timeval tv; |
1918 | |
2073 | |
1919 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
2074 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
1920 | /* something not guaranteed by newer posix versions, but guaranteed */ |
2075 | /* something not guaranteed by newer posix versions, but guaranteed */ |
… | |
… | |
1950 | } |
2105 | } |
1951 | |
2106 | |
1952 | return ncur; |
2107 | return ncur; |
1953 | } |
2108 | } |
1954 | |
2109 | |
1955 | noinline ecb_cold |
2110 | ecb_noinline ecb_cold |
1956 | static void * |
2111 | static void * |
1957 | array_realloc (int elem, void *base, int *cur, int cnt) |
2112 | array_realloc (int elem, void *base, int *cur, int cnt) |
1958 | { |
2113 | { |
1959 | *cur = array_nextsize (elem, *cur, cnt); |
2114 | *cur = array_nextsize (elem, *cur, cnt); |
1960 | return ev_realloc (base, elem * *cur); |
2115 | return ev_realloc (base, elem * *cur); |
1961 | } |
2116 | } |
1962 | |
2117 | |
|
|
2118 | #define array_needsize_noinit(base,offset,count) |
|
|
2119 | |
1963 | #define array_init_zero(base,count) \ |
2120 | #define array_needsize_zerofill(base,offset,count) \ |
1964 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
2121 | memset ((void *)(base + offset), 0, sizeof (*(base)) * (count)) |
1965 | |
2122 | |
1966 | #define array_needsize(type,base,cur,cnt,init) \ |
2123 | #define array_needsize(type,base,cur,cnt,init) \ |
1967 | if (expect_false ((cnt) > (cur))) \ |
2124 | if (ecb_expect_false ((cnt) > (cur))) \ |
1968 | { \ |
2125 | { \ |
1969 | ecb_unused int ocur_ = (cur); \ |
2126 | ecb_unused int ocur_ = (cur); \ |
1970 | (base) = (type *)array_realloc \ |
2127 | (base) = (type *)array_realloc \ |
1971 | (sizeof (type), (base), &(cur), (cnt)); \ |
2128 | (sizeof (type), (base), &(cur), (cnt)); \ |
1972 | init ((base) + (ocur_), (cur) - ocur_); \ |
2129 | init ((base), ocur_, ((cur) - ocur_)); \ |
1973 | } |
2130 | } |
1974 | |
2131 | |
1975 | #if 0 |
2132 | #if 0 |
1976 | #define array_slim(type,stem) \ |
2133 | #define array_slim(type,stem) \ |
1977 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
2134 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
… | |
… | |
1986 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
2143 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
1987 | |
2144 | |
1988 | /*****************************************************************************/ |
2145 | /*****************************************************************************/ |
1989 | |
2146 | |
1990 | /* dummy callback for pending events */ |
2147 | /* dummy callback for pending events */ |
1991 | noinline |
2148 | ecb_noinline |
1992 | static void |
2149 | static void |
1993 | pendingcb (EV_P_ ev_prepare *w, int revents) |
2150 | pendingcb (EV_P_ ev_prepare *w, int revents) |
1994 | { |
2151 | { |
1995 | } |
2152 | } |
1996 | |
2153 | |
1997 | noinline |
2154 | ecb_noinline |
1998 | void |
2155 | void |
1999 | ev_feed_event (EV_P_ void *w, int revents) EV_THROW |
2156 | ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT |
2000 | { |
2157 | { |
2001 | W w_ = (W)w; |
2158 | W w_ = (W)w; |
2002 | int pri = ABSPRI (w_); |
2159 | int pri = ABSPRI (w_); |
2003 | |
2160 | |
2004 | if (expect_false (w_->pending)) |
2161 | if (ecb_expect_false (w_->pending)) |
2005 | pendings [pri][w_->pending - 1].events |= revents; |
2162 | pendings [pri][w_->pending - 1].events |= revents; |
2006 | else |
2163 | else |
2007 | { |
2164 | { |
2008 | w_->pending = ++pendingcnt [pri]; |
2165 | w_->pending = ++pendingcnt [pri]; |
2009 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
2166 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit); |
2010 | pendings [pri][w_->pending - 1].w = w_; |
2167 | pendings [pri][w_->pending - 1].w = w_; |
2011 | pendings [pri][w_->pending - 1].events = revents; |
2168 | pendings [pri][w_->pending - 1].events = revents; |
2012 | } |
2169 | } |
2013 | |
2170 | |
2014 | pendingpri = NUMPRI - 1; |
2171 | pendingpri = NUMPRI - 1; |
2015 | } |
2172 | } |
2016 | |
2173 | |
2017 | inline_speed void |
2174 | inline_speed void |
2018 | feed_reverse (EV_P_ W w) |
2175 | feed_reverse (EV_P_ W w) |
2019 | { |
2176 | { |
2020 | array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2); |
2177 | array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, array_needsize_noinit); |
2021 | rfeeds [rfeedcnt++] = w; |
2178 | rfeeds [rfeedcnt++] = w; |
2022 | } |
2179 | } |
2023 | |
2180 | |
2024 | inline_size void |
2181 | inline_size void |
2025 | feed_reverse_done (EV_P_ int revents) |
2182 | feed_reverse_done (EV_P_ int revents) |
… | |
… | |
2060 | inline_speed void |
2217 | inline_speed void |
2061 | fd_event (EV_P_ int fd, int revents) |
2218 | fd_event (EV_P_ int fd, int revents) |
2062 | { |
2219 | { |
2063 | ANFD *anfd = anfds + fd; |
2220 | ANFD *anfd = anfds + fd; |
2064 | |
2221 | |
2065 | if (expect_true (!anfd->reify)) |
2222 | if (ecb_expect_true (!anfd->reify)) |
2066 | fd_event_nocheck (EV_A_ fd, revents); |
2223 | fd_event_nocheck (EV_A_ fd, revents); |
2067 | } |
2224 | } |
2068 | |
2225 | |
2069 | void |
2226 | void |
2070 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW |
2227 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT |
2071 | { |
2228 | { |
2072 | if (fd >= 0 && fd < anfdmax) |
2229 | if (fd >= 0 && fd < anfdmax) |
2073 | fd_event_nocheck (EV_A_ fd, revents); |
2230 | fd_event_nocheck (EV_A_ fd, revents); |
2074 | } |
2231 | } |
2075 | |
2232 | |
… | |
… | |
2112 | ev_io *w; |
2269 | ev_io *w; |
2113 | |
2270 | |
2114 | unsigned char o_events = anfd->events; |
2271 | unsigned char o_events = anfd->events; |
2115 | unsigned char o_reify = anfd->reify; |
2272 | unsigned char o_reify = anfd->reify; |
2116 | |
2273 | |
2117 | anfd->reify = 0; |
2274 | anfd->reify = 0; |
2118 | |
2275 | |
2119 | /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
2276 | /*if (ecb_expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
2120 | { |
2277 | { |
2121 | anfd->events = 0; |
2278 | anfd->events = 0; |
2122 | |
2279 | |
2123 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
2280 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
2124 | anfd->events |= (unsigned char)w->events; |
2281 | anfd->events |= (unsigned char)w->events; |
… | |
… | |
2140 | fd_change (EV_P_ int fd, int flags) |
2297 | fd_change (EV_P_ int fd, int flags) |
2141 | { |
2298 | { |
2142 | unsigned char reify = anfds [fd].reify; |
2299 | unsigned char reify = anfds [fd].reify; |
2143 | anfds [fd].reify |= flags; |
2300 | anfds [fd].reify |= flags; |
2144 | |
2301 | |
2145 | if (expect_true (!reify)) |
2302 | if (ecb_expect_true (!reify)) |
2146 | { |
2303 | { |
2147 | ++fdchangecnt; |
2304 | ++fdchangecnt; |
2148 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
2305 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit); |
2149 | fdchanges [fdchangecnt - 1] = fd; |
2306 | fdchanges [fdchangecnt - 1] = fd; |
2150 | } |
2307 | } |
2151 | } |
2308 | } |
2152 | |
2309 | |
2153 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
2310 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
… | |
… | |
2173 | return fcntl (fd, F_GETFD) != -1; |
2330 | return fcntl (fd, F_GETFD) != -1; |
2174 | #endif |
2331 | #endif |
2175 | } |
2332 | } |
2176 | |
2333 | |
2177 | /* called on EBADF to verify fds */ |
2334 | /* called on EBADF to verify fds */ |
2178 | noinline ecb_cold |
2335 | ecb_noinline ecb_cold |
2179 | static void |
2336 | static void |
2180 | fd_ebadf (EV_P) |
2337 | fd_ebadf (EV_P) |
2181 | { |
2338 | { |
2182 | int fd; |
2339 | int fd; |
2183 | |
2340 | |
… | |
… | |
2186 | if (!fd_valid (fd) && errno == EBADF) |
2343 | if (!fd_valid (fd) && errno == EBADF) |
2187 | fd_kill (EV_A_ fd); |
2344 | fd_kill (EV_A_ fd); |
2188 | } |
2345 | } |
2189 | |
2346 | |
2190 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
2347 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
2191 | noinline ecb_cold |
2348 | ecb_noinline ecb_cold |
2192 | static void |
2349 | static void |
2193 | fd_enomem (EV_P) |
2350 | fd_enomem (EV_P) |
2194 | { |
2351 | { |
2195 | int fd; |
2352 | int fd; |
2196 | |
2353 | |
… | |
… | |
2201 | break; |
2358 | break; |
2202 | } |
2359 | } |
2203 | } |
2360 | } |
2204 | |
2361 | |
2205 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
2362 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
2206 | noinline |
2363 | ecb_noinline |
2207 | static void |
2364 | static void |
2208 | fd_rearm_all (EV_P) |
2365 | fd_rearm_all (EV_P) |
2209 | { |
2366 | { |
2210 | int fd; |
2367 | int fd; |
2211 | |
2368 | |
… | |
… | |
2265 | ev_tstamp minat; |
2422 | ev_tstamp minat; |
2266 | ANHE *minpos; |
2423 | ANHE *minpos; |
2267 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; |
2424 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; |
2268 | |
2425 | |
2269 | /* find minimum child */ |
2426 | /* find minimum child */ |
2270 | if (expect_true (pos + DHEAP - 1 < E)) |
2427 | if (ecb_expect_true (pos + DHEAP - 1 < E)) |
2271 | { |
2428 | { |
2272 | /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
2429 | /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
2273 | if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
2430 | if ( minat > ANHE_at (pos [1])) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
2274 | if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
2431 | if ( minat > ANHE_at (pos [2])) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
2275 | if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
2432 | if ( minat > ANHE_at (pos [3])) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
2276 | } |
2433 | } |
2277 | else if (pos < E) |
2434 | else if (pos < E) |
2278 | { |
2435 | { |
2279 | /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
2436 | /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
2280 | if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
2437 | if (pos + 1 < E && minat > ANHE_at (pos [1])) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
2281 | if (pos + 2 < E && ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
2438 | if (pos + 2 < E && minat > ANHE_at (pos [2])) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
2282 | if (pos + 3 < E && ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
2439 | if (pos + 3 < E && minat > ANHE_at (pos [3])) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
2283 | } |
2440 | } |
2284 | else |
2441 | else |
2285 | break; |
2442 | break; |
2286 | |
2443 | |
2287 | if (ANHE_at (he) <= minat) |
2444 | if (ANHE_at (he) <= minat) |
… | |
… | |
2295 | |
2452 | |
2296 | heap [k] = he; |
2453 | heap [k] = he; |
2297 | ev_active (ANHE_w (he)) = k; |
2454 | ev_active (ANHE_w (he)) = k; |
2298 | } |
2455 | } |
2299 | |
2456 | |
2300 | #else /* 4HEAP */ |
2457 | #else /* not 4HEAP */ |
2301 | |
2458 | |
2302 | #define HEAP0 1 |
2459 | #define HEAP0 1 |
2303 | #define HPARENT(k) ((k) >> 1) |
2460 | #define HPARENT(k) ((k) >> 1) |
2304 | #define UPHEAP_DONE(p,k) (!(p)) |
2461 | #define UPHEAP_DONE(p,k) (!(p)) |
2305 | |
2462 | |
… | |
… | |
2393 | |
2550 | |
2394 | /*****************************************************************************/ |
2551 | /*****************************************************************************/ |
2395 | |
2552 | |
2396 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2553 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2397 | |
2554 | |
2398 | noinline ecb_cold |
2555 | ecb_noinline ecb_cold |
2399 | static void |
2556 | static void |
2400 | evpipe_init (EV_P) |
2557 | evpipe_init (EV_P) |
2401 | { |
2558 | { |
2402 | if (!ev_is_active (&pipe_w)) |
2559 | if (!ev_is_active (&pipe_w)) |
2403 | { |
2560 | { |
… | |
… | |
2444 | inline_speed void |
2601 | inline_speed void |
2445 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
2602 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
2446 | { |
2603 | { |
2447 | ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */ |
2604 | ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */ |
2448 | |
2605 | |
2449 | if (expect_true (*flag)) |
2606 | if (ecb_expect_true (*flag)) |
2450 | return; |
2607 | return; |
2451 | |
2608 | |
2452 | *flag = 1; |
2609 | *flag = 1; |
2453 | ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ |
2610 | ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ |
2454 | |
2611 | |
… | |
… | |
2531 | sig_pending = 0; |
2688 | sig_pending = 0; |
2532 | |
2689 | |
2533 | ECB_MEMORY_FENCE; |
2690 | ECB_MEMORY_FENCE; |
2534 | |
2691 | |
2535 | for (i = EV_NSIG - 1; i--; ) |
2692 | for (i = EV_NSIG - 1; i--; ) |
2536 | if (expect_false (signals [i].pending)) |
2693 | if (ecb_expect_false (signals [i].pending)) |
2537 | ev_feed_signal_event (EV_A_ i + 1); |
2694 | ev_feed_signal_event (EV_A_ i + 1); |
2538 | } |
2695 | } |
2539 | #endif |
2696 | #endif |
2540 | |
2697 | |
2541 | #if EV_ASYNC_ENABLE |
2698 | #if EV_ASYNC_ENABLE |
… | |
… | |
2557 | } |
2714 | } |
2558 | |
2715 | |
2559 | /*****************************************************************************/ |
2716 | /*****************************************************************************/ |
2560 | |
2717 | |
2561 | void |
2718 | void |
2562 | ev_feed_signal (int signum) EV_THROW |
2719 | ev_feed_signal (int signum) EV_NOEXCEPT |
2563 | { |
2720 | { |
2564 | #if EV_MULTIPLICITY |
2721 | #if EV_MULTIPLICITY |
2565 | EV_P; |
2722 | EV_P; |
2566 | ECB_MEMORY_FENCE_ACQUIRE; |
2723 | ECB_MEMORY_FENCE_ACQUIRE; |
2567 | EV_A = signals [signum - 1].loop; |
2724 | EV_A = signals [signum - 1].loop; |
… | |
… | |
2582 | #endif |
2739 | #endif |
2583 | |
2740 | |
2584 | ev_feed_signal (signum); |
2741 | ev_feed_signal (signum); |
2585 | } |
2742 | } |
2586 | |
2743 | |
2587 | noinline |
2744 | ecb_noinline |
2588 | void |
2745 | void |
2589 | ev_feed_signal_event (EV_P_ int signum) EV_THROW |
2746 | ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT |
2590 | { |
2747 | { |
2591 | WL w; |
2748 | WL w; |
2592 | |
2749 | |
2593 | if (expect_false (signum <= 0 || signum >= EV_NSIG)) |
2750 | if (ecb_expect_false (signum <= 0 || signum >= EV_NSIG)) |
2594 | return; |
2751 | return; |
2595 | |
2752 | |
2596 | --signum; |
2753 | --signum; |
2597 | |
2754 | |
2598 | #if EV_MULTIPLICITY |
2755 | #if EV_MULTIPLICITY |
2599 | /* it is permissible to try to feed a signal to the wrong loop */ |
2756 | /* it is permissible to try to feed a signal to the wrong loop */ |
2600 | /* or, likely more useful, feeding a signal nobody is waiting for */ |
2757 | /* or, likely more useful, feeding a signal nobody is waiting for */ |
2601 | |
2758 | |
2602 | if (expect_false (signals [signum].loop != EV_A)) |
2759 | if (ecb_expect_false (signals [signum].loop != EV_A)) |
2603 | return; |
2760 | return; |
2604 | #endif |
2761 | #endif |
2605 | |
2762 | |
2606 | signals [signum].pending = 0; |
2763 | signals [signum].pending = 0; |
2607 | ECB_MEMORY_FENCE_RELEASE; |
2764 | ECB_MEMORY_FENCE_RELEASE; |
… | |
… | |
2703 | # include "ev_kqueue.c" |
2860 | # include "ev_kqueue.c" |
2704 | #endif |
2861 | #endif |
2705 | #if EV_USE_EPOLL |
2862 | #if EV_USE_EPOLL |
2706 | # include "ev_epoll.c" |
2863 | # include "ev_epoll.c" |
2707 | #endif |
2864 | #endif |
|
|
2865 | #if EV_USE_LINUXAIO |
|
|
2866 | # include "ev_linuxaio.c" |
|
|
2867 | #endif |
|
|
2868 | #if EV_USE_IOURING |
|
|
2869 | # include "ev_iouring.c" |
|
|
2870 | #endif |
2708 | #if EV_USE_POLL |
2871 | #if EV_USE_POLL |
2709 | # include "ev_poll.c" |
2872 | # include "ev_poll.c" |
2710 | #endif |
2873 | #endif |
2711 | #if EV_USE_SELECT |
2874 | #if EV_USE_SELECT |
2712 | # include "ev_select.c" |
2875 | # include "ev_select.c" |
2713 | #endif |
2876 | #endif |
2714 | |
2877 | |
2715 | ecb_cold int |
2878 | ecb_cold int |
2716 | ev_version_major (void) EV_THROW |
2879 | ev_version_major (void) EV_NOEXCEPT |
2717 | { |
2880 | { |
2718 | return EV_VERSION_MAJOR; |
2881 | return EV_VERSION_MAJOR; |
2719 | } |
2882 | } |
2720 | |
2883 | |
2721 | ecb_cold int |
2884 | ecb_cold int |
2722 | ev_version_minor (void) EV_THROW |
2885 | ev_version_minor (void) EV_NOEXCEPT |
2723 | { |
2886 | { |
2724 | return EV_VERSION_MINOR; |
2887 | return EV_VERSION_MINOR; |
2725 | } |
2888 | } |
2726 | |
2889 | |
2727 | /* return true if we are running with elevated privileges and should ignore env variables */ |
2890 | /* return true if we are running with elevated privileges and should ignore env variables */ |
… | |
… | |
2736 | #endif |
2899 | #endif |
2737 | } |
2900 | } |
2738 | |
2901 | |
2739 | ecb_cold |
2902 | ecb_cold |
2740 | unsigned int |
2903 | unsigned int |
2741 | ev_supported_backends (void) EV_THROW |
2904 | ev_supported_backends (void) EV_NOEXCEPT |
2742 | { |
2905 | { |
2743 | unsigned int flags = 0; |
2906 | unsigned int flags = 0; |
2744 | |
2907 | |
2745 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2908 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2746 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
2909 | if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE; |
2747 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
2910 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
|
|
2911 | if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO; |
|
|
2912 | if (EV_USE_IOURING ) flags |= EVBACKEND_IOURING; |
2748 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
2913 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
2749 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
2914 | if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT; |
2750 | |
2915 | |
2751 | return flags; |
2916 | return flags; |
2752 | } |
2917 | } |
2753 | |
2918 | |
2754 | ecb_cold |
2919 | ecb_cold |
2755 | unsigned int |
2920 | unsigned int |
2756 | ev_recommended_backends (void) EV_THROW |
2921 | ev_recommended_backends (void) EV_NOEXCEPT |
2757 | { |
2922 | { |
2758 | unsigned int flags = ev_supported_backends (); |
2923 | unsigned int flags = ev_supported_backends (); |
2759 | |
2924 | |
2760 | #ifndef __NetBSD__ |
2925 | #ifndef __NetBSD__ |
2761 | /* kqueue is borked on everything but netbsd apparently */ |
2926 | /* kqueue is borked on everything but netbsd apparently */ |
… | |
… | |
2769 | #endif |
2934 | #endif |
2770 | #ifdef __FreeBSD__ |
2935 | #ifdef __FreeBSD__ |
2771 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
2936 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
2772 | #endif |
2937 | #endif |
2773 | |
2938 | |
|
|
2939 | /* TODO: linuxaio is very experimental */ |
|
|
2940 | #if !EV_RECOMMEND_LINUXAIO |
|
|
2941 | flags &= ~EVBACKEND_LINUXAIO; |
|
|
2942 | #endif |
|
|
2943 | /* TODO: linuxaio is super experimental */ |
|
|
2944 | #if !EV_RECOMMEND_IOURING |
|
|
2945 | flags &= ~EVBACKEND_IOURING; |
|
|
2946 | #endif |
|
|
2947 | |
2774 | return flags; |
2948 | return flags; |
2775 | } |
2949 | } |
2776 | |
2950 | |
2777 | ecb_cold |
2951 | ecb_cold |
2778 | unsigned int |
2952 | unsigned int |
2779 | ev_embeddable_backends (void) EV_THROW |
2953 | ev_embeddable_backends (void) EV_NOEXCEPT |
2780 | { |
2954 | { |
2781 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
2955 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
2782 | |
2956 | |
2783 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2957 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2784 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
2958 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
2785 | flags &= ~EVBACKEND_EPOLL; |
2959 | flags &= ~EVBACKEND_EPOLL; |
2786 | |
2960 | |
|
|
2961 | /* EVBACKEND_LINUXAIO is theoretically embeddable, but suffers from a performance overhead */ |
|
|
2962 | |
|
|
2963 | /* EVBACKEND_IOURING is practically embeddable, but the current implementation is not |
|
|
2964 | * because our backend_fd is the epoll fd we need as fallback. |
|
|
2965 | * if the kernel ever is fixed, this might change... |
|
|
2966 | */ |
|
|
2967 | |
2787 | return flags; |
2968 | return flags; |
2788 | } |
2969 | } |
2789 | |
2970 | |
2790 | unsigned int |
2971 | unsigned int |
2791 | ev_backend (EV_P) EV_THROW |
2972 | ev_backend (EV_P) EV_NOEXCEPT |
2792 | { |
2973 | { |
2793 | return backend; |
2974 | return backend; |
2794 | } |
2975 | } |
2795 | |
2976 | |
2796 | #if EV_FEATURE_API |
2977 | #if EV_FEATURE_API |
2797 | unsigned int |
2978 | unsigned int |
2798 | ev_iteration (EV_P) EV_THROW |
2979 | ev_iteration (EV_P) EV_NOEXCEPT |
2799 | { |
2980 | { |
2800 | return loop_count; |
2981 | return loop_count; |
2801 | } |
2982 | } |
2802 | |
2983 | |
2803 | unsigned int |
2984 | unsigned int |
2804 | ev_depth (EV_P) EV_THROW |
2985 | ev_depth (EV_P) EV_NOEXCEPT |
2805 | { |
2986 | { |
2806 | return loop_depth; |
2987 | return loop_depth; |
2807 | } |
2988 | } |
2808 | |
2989 | |
2809 | void |
2990 | void |
2810 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
2991 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT |
2811 | { |
2992 | { |
2812 | io_blocktime = interval; |
2993 | io_blocktime = interval; |
2813 | } |
2994 | } |
2814 | |
2995 | |
2815 | void |
2996 | void |
2816 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
2997 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT |
2817 | { |
2998 | { |
2818 | timeout_blocktime = interval; |
2999 | timeout_blocktime = interval; |
2819 | } |
3000 | } |
2820 | |
3001 | |
2821 | void |
3002 | void |
2822 | ev_set_userdata (EV_P_ void *data) EV_THROW |
3003 | ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT |
2823 | { |
3004 | { |
2824 | userdata = data; |
3005 | userdata = data; |
2825 | } |
3006 | } |
2826 | |
3007 | |
2827 | void * |
3008 | void * |
2828 | ev_userdata (EV_P) EV_THROW |
3009 | ev_userdata (EV_P) EV_NOEXCEPT |
2829 | { |
3010 | { |
2830 | return userdata; |
3011 | return userdata; |
2831 | } |
3012 | } |
2832 | |
3013 | |
2833 | void |
3014 | void |
2834 | ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW |
3015 | ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT |
2835 | { |
3016 | { |
2836 | invoke_cb = invoke_pending_cb; |
3017 | invoke_cb = invoke_pending_cb; |
2837 | } |
3018 | } |
2838 | |
3019 | |
2839 | void |
3020 | void |
2840 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW |
3021 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT |
2841 | { |
3022 | { |
2842 | release_cb = release; |
3023 | release_cb = release; |
2843 | acquire_cb = acquire; |
3024 | acquire_cb = acquire; |
2844 | } |
3025 | } |
2845 | #endif |
3026 | #endif |
2846 | |
3027 | |
2847 | /* initialise a loop structure, must be zero-initialised */ |
3028 | /* initialise a loop structure, must be zero-initialised */ |
2848 | noinline ecb_cold |
3029 | ecb_noinline ecb_cold |
2849 | static void |
3030 | static void |
2850 | loop_init (EV_P_ unsigned int flags) EV_THROW |
3031 | loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT |
2851 | { |
3032 | { |
2852 | if (!backend) |
3033 | if (!backend) |
2853 | { |
3034 | { |
2854 | origflags = flags; |
3035 | origflags = flags; |
2855 | |
3036 | |
… | |
… | |
2913 | |
3094 | |
2914 | if (!(flags & EVBACKEND_MASK)) |
3095 | if (!(flags & EVBACKEND_MASK)) |
2915 | flags |= ev_recommended_backends (); |
3096 | flags |= ev_recommended_backends (); |
2916 | |
3097 | |
2917 | #if EV_USE_IOCP |
3098 | #if EV_USE_IOCP |
2918 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
3099 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
2919 | #endif |
3100 | #endif |
2920 | #if EV_USE_PORT |
3101 | #if EV_USE_PORT |
2921 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
3102 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
2922 | #endif |
3103 | #endif |
2923 | #if EV_USE_KQUEUE |
3104 | #if EV_USE_KQUEUE |
2924 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
3105 | if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags); |
|
|
3106 | #endif |
|
|
3107 | #if EV_USE_IOURING |
|
|
3108 | if (!backend && (flags & EVBACKEND_IOURING )) backend = iouring_init (EV_A_ flags); |
|
|
3109 | #endif |
|
|
3110 | #if EV_USE_LINUXAIO |
|
|
3111 | if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags); |
2925 | #endif |
3112 | #endif |
2926 | #if EV_USE_EPOLL |
3113 | #if EV_USE_EPOLL |
2927 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
3114 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
2928 | #endif |
3115 | #endif |
2929 | #if EV_USE_POLL |
3116 | #if EV_USE_POLL |
2930 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
3117 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
2931 | #endif |
3118 | #endif |
2932 | #if EV_USE_SELECT |
3119 | #if EV_USE_SELECT |
2933 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
3120 | if (!backend && (flags & EVBACKEND_SELECT )) backend = select_init (EV_A_ flags); |
2934 | #endif |
3121 | #endif |
2935 | |
3122 | |
2936 | ev_prepare_init (&pending_w, pendingcb); |
3123 | ev_prepare_init (&pending_w, pendingcb); |
2937 | |
3124 | |
2938 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
3125 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
… | |
… | |
2955 | return; |
3142 | return; |
2956 | #endif |
3143 | #endif |
2957 | |
3144 | |
2958 | #if EV_CLEANUP_ENABLE |
3145 | #if EV_CLEANUP_ENABLE |
2959 | /* queue cleanup watchers (and execute them) */ |
3146 | /* queue cleanup watchers (and execute them) */ |
2960 | if (expect_false (cleanupcnt)) |
3147 | if (ecb_expect_false (cleanupcnt)) |
2961 | { |
3148 | { |
2962 | queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP); |
3149 | queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP); |
2963 | EV_INVOKE_PENDING; |
3150 | EV_INVOKE_PENDING; |
2964 | } |
3151 | } |
2965 | #endif |
3152 | #endif |
… | |
… | |
2993 | |
3180 | |
2994 | if (backend_fd >= 0) |
3181 | if (backend_fd >= 0) |
2995 | close (backend_fd); |
3182 | close (backend_fd); |
2996 | |
3183 | |
2997 | #if EV_USE_IOCP |
3184 | #if EV_USE_IOCP |
2998 | if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); |
3185 | if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); |
2999 | #endif |
3186 | #endif |
3000 | #if EV_USE_PORT |
3187 | #if EV_USE_PORT |
3001 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
3188 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
3002 | #endif |
3189 | #endif |
3003 | #if EV_USE_KQUEUE |
3190 | #if EV_USE_KQUEUE |
3004 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
3191 | if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A); |
|
|
3192 | #endif |
|
|
3193 | #if EV_USE_IOURING |
|
|
3194 | if (backend == EVBACKEND_IOURING ) iouring_destroy (EV_A); |
|
|
3195 | #endif |
|
|
3196 | #if EV_USE_LINUXAIO |
|
|
3197 | if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A); |
3005 | #endif |
3198 | #endif |
3006 | #if EV_USE_EPOLL |
3199 | #if EV_USE_EPOLL |
3007 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
3200 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
3008 | #endif |
3201 | #endif |
3009 | #if EV_USE_POLL |
3202 | #if EV_USE_POLL |
3010 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
3203 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
3011 | #endif |
3204 | #endif |
3012 | #if EV_USE_SELECT |
3205 | #if EV_USE_SELECT |
3013 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
3206 | if (backend == EVBACKEND_SELECT ) select_destroy (EV_A); |
3014 | #endif |
3207 | #endif |
3015 | |
3208 | |
3016 | for (i = NUMPRI; i--; ) |
3209 | for (i = NUMPRI; i--; ) |
3017 | { |
3210 | { |
3018 | array_free (pending, [i]); |
3211 | array_free (pending, [i]); |
… | |
… | |
3060 | |
3253 | |
3061 | inline_size void |
3254 | inline_size void |
3062 | loop_fork (EV_P) |
3255 | loop_fork (EV_P) |
3063 | { |
3256 | { |
3064 | #if EV_USE_PORT |
3257 | #if EV_USE_PORT |
3065 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
3258 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
3066 | #endif |
3259 | #endif |
3067 | #if EV_USE_KQUEUE |
3260 | #if EV_USE_KQUEUE |
3068 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
3261 | if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A); |
|
|
3262 | #endif |
|
|
3263 | #if EV_USE_IOURING |
|
|
3264 | if (backend == EVBACKEND_IOURING ) iouring_fork (EV_A); |
|
|
3265 | #endif |
|
|
3266 | #if EV_USE_LINUXAIO |
|
|
3267 | if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A); |
3069 | #endif |
3268 | #endif |
3070 | #if EV_USE_EPOLL |
3269 | #if EV_USE_EPOLL |
3071 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
3270 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
3072 | #endif |
3271 | #endif |
3073 | #if EV_USE_INOTIFY |
3272 | #if EV_USE_INOTIFY |
3074 | infy_fork (EV_A); |
3273 | infy_fork (EV_A); |
3075 | #endif |
3274 | #endif |
3076 | |
3275 | |
… | |
… | |
3096 | |
3295 | |
3097 | #if EV_MULTIPLICITY |
3296 | #if EV_MULTIPLICITY |
3098 | |
3297 | |
3099 | ecb_cold |
3298 | ecb_cold |
3100 | struct ev_loop * |
3299 | struct ev_loop * |
3101 | ev_loop_new (unsigned int flags) EV_THROW |
3300 | ev_loop_new (unsigned int flags) EV_NOEXCEPT |
3102 | { |
3301 | { |
3103 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
3302 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
3104 | |
3303 | |
3105 | memset (EV_A, 0, sizeof (struct ev_loop)); |
3304 | memset (EV_A, 0, sizeof (struct ev_loop)); |
3106 | loop_init (EV_A_ flags); |
3305 | loop_init (EV_A_ flags); |
… | |
… | |
3113 | } |
3312 | } |
3114 | |
3313 | |
3115 | #endif /* multiplicity */ |
3314 | #endif /* multiplicity */ |
3116 | |
3315 | |
3117 | #if EV_VERIFY |
3316 | #if EV_VERIFY |
3118 | noinline ecb_cold |
3317 | ecb_noinline ecb_cold |
3119 | static void |
3318 | static void |
3120 | verify_watcher (EV_P_ W w) |
3319 | verify_watcher (EV_P_ W w) |
3121 | { |
3320 | { |
3122 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
3321 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
3123 | |
3322 | |
3124 | if (w->pending) |
3323 | if (w->pending) |
3125 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
3324 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
3126 | } |
3325 | } |
3127 | |
3326 | |
3128 | noinline ecb_cold |
3327 | ecb_noinline ecb_cold |
3129 | static void |
3328 | static void |
3130 | verify_heap (EV_P_ ANHE *heap, int N) |
3329 | verify_heap (EV_P_ ANHE *heap, int N) |
3131 | { |
3330 | { |
3132 | int i; |
3331 | int i; |
3133 | |
3332 | |
… | |
… | |
3139 | |
3338 | |
3140 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
3339 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
3141 | } |
3340 | } |
3142 | } |
3341 | } |
3143 | |
3342 | |
3144 | noinline ecb_cold |
3343 | ecb_noinline ecb_cold |
3145 | static void |
3344 | static void |
3146 | array_verify (EV_P_ W *ws, int cnt) |
3345 | array_verify (EV_P_ W *ws, int cnt) |
3147 | { |
3346 | { |
3148 | while (cnt--) |
3347 | while (cnt--) |
3149 | { |
3348 | { |
… | |
… | |
3153 | } |
3352 | } |
3154 | #endif |
3353 | #endif |
3155 | |
3354 | |
3156 | #if EV_FEATURE_API |
3355 | #if EV_FEATURE_API |
3157 | void ecb_cold |
3356 | void ecb_cold |
3158 | ev_verify (EV_P) EV_THROW |
3357 | ev_verify (EV_P) EV_NOEXCEPT |
3159 | { |
3358 | { |
3160 | #if EV_VERIFY |
3359 | #if EV_VERIFY |
3161 | int i; |
3360 | int i; |
3162 | WL w, w2; |
3361 | WL w, w2; |
3163 | |
3362 | |
… | |
… | |
3244 | ecb_cold |
3443 | ecb_cold |
3245 | struct ev_loop * |
3444 | struct ev_loop * |
3246 | #else |
3445 | #else |
3247 | int |
3446 | int |
3248 | #endif |
3447 | #endif |
3249 | ev_default_loop (unsigned int flags) EV_THROW |
3448 | ev_default_loop (unsigned int flags) EV_NOEXCEPT |
3250 | { |
3449 | { |
3251 | if (!ev_default_loop_ptr) |
3450 | if (!ev_default_loop_ptr) |
3252 | { |
3451 | { |
3253 | #if EV_MULTIPLICITY |
3452 | #if EV_MULTIPLICITY |
3254 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
3453 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
… | |
… | |
3273 | |
3472 | |
3274 | return ev_default_loop_ptr; |
3473 | return ev_default_loop_ptr; |
3275 | } |
3474 | } |
3276 | |
3475 | |
3277 | void |
3476 | void |
3278 | ev_loop_fork (EV_P) EV_THROW |
3477 | ev_loop_fork (EV_P) EV_NOEXCEPT |
3279 | { |
3478 | { |
3280 | postfork = 1; |
3479 | postfork = 1; |
3281 | } |
3480 | } |
3282 | |
3481 | |
3283 | /*****************************************************************************/ |
3482 | /*****************************************************************************/ |
… | |
… | |
3287 | { |
3486 | { |
3288 | EV_CB_INVOKE ((W)w, revents); |
3487 | EV_CB_INVOKE ((W)w, revents); |
3289 | } |
3488 | } |
3290 | |
3489 | |
3291 | unsigned int |
3490 | unsigned int |
3292 | ev_pending_count (EV_P) EV_THROW |
3491 | ev_pending_count (EV_P) EV_NOEXCEPT |
3293 | { |
3492 | { |
3294 | int pri; |
3493 | int pri; |
3295 | unsigned int count = 0; |
3494 | unsigned int count = 0; |
3296 | |
3495 | |
3297 | for (pri = NUMPRI; pri--; ) |
3496 | for (pri = NUMPRI; pri--; ) |
3298 | count += pendingcnt [pri]; |
3497 | count += pendingcnt [pri]; |
3299 | |
3498 | |
3300 | return count; |
3499 | return count; |
3301 | } |
3500 | } |
3302 | |
3501 | |
3303 | noinline |
3502 | ecb_noinline |
3304 | void |
3503 | void |
3305 | ev_invoke_pending (EV_P) |
3504 | ev_invoke_pending (EV_P) |
3306 | { |
3505 | { |
3307 | pendingpri = NUMPRI; |
3506 | pendingpri = NUMPRI; |
3308 | |
3507 | |
… | |
… | |
3327 | /* make idle watchers pending. this handles the "call-idle */ |
3526 | /* make idle watchers pending. this handles the "call-idle */ |
3328 | /* only when higher priorities are idle" logic */ |
3527 | /* only when higher priorities are idle" logic */ |
3329 | inline_size void |
3528 | inline_size void |
3330 | idle_reify (EV_P) |
3529 | idle_reify (EV_P) |
3331 | { |
3530 | { |
3332 | if (expect_false (idleall)) |
3531 | if (ecb_expect_false (idleall)) |
3333 | { |
3532 | { |
3334 | int pri; |
3533 | int pri; |
3335 | |
3534 | |
3336 | for (pri = NUMPRI; pri--; ) |
3535 | for (pri = NUMPRI; pri--; ) |
3337 | { |
3536 | { |
… | |
… | |
3367 | { |
3566 | { |
3368 | ev_at (w) += w->repeat; |
3567 | ev_at (w) += w->repeat; |
3369 | if (ev_at (w) < mn_now) |
3568 | if (ev_at (w) < mn_now) |
3370 | ev_at (w) = mn_now; |
3569 | ev_at (w) = mn_now; |
3371 | |
3570 | |
3372 | assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
3571 | assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > EV_TS_CONST (0.))); |
3373 | |
3572 | |
3374 | ANHE_at_cache (timers [HEAP0]); |
3573 | ANHE_at_cache (timers [HEAP0]); |
3375 | downheap (timers, timercnt, HEAP0); |
3574 | downheap (timers, timercnt, HEAP0); |
3376 | } |
3575 | } |
3377 | else |
3576 | else |
… | |
… | |
3386 | } |
3585 | } |
3387 | } |
3586 | } |
3388 | |
3587 | |
3389 | #if EV_PERIODIC_ENABLE |
3588 | #if EV_PERIODIC_ENABLE |
3390 | |
3589 | |
3391 | noinline |
3590 | ecb_noinline |
3392 | static void |
3591 | static void |
3393 | periodic_recalc (EV_P_ ev_periodic *w) |
3592 | periodic_recalc (EV_P_ ev_periodic *w) |
3394 | { |
3593 | { |
3395 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
3594 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
3396 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
3595 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
… | |
… | |
3399 | while (at <= ev_rt_now) |
3598 | while (at <= ev_rt_now) |
3400 | { |
3599 | { |
3401 | ev_tstamp nat = at + w->interval; |
3600 | ev_tstamp nat = at + w->interval; |
3402 | |
3601 | |
3403 | /* when resolution fails us, we use ev_rt_now */ |
3602 | /* when resolution fails us, we use ev_rt_now */ |
3404 | if (expect_false (nat == at)) |
3603 | if (ecb_expect_false (nat == at)) |
3405 | { |
3604 | { |
3406 | at = ev_rt_now; |
3605 | at = ev_rt_now; |
3407 | break; |
3606 | break; |
3408 | } |
3607 | } |
3409 | |
3608 | |
… | |
… | |
3455 | } |
3654 | } |
3456 | } |
3655 | } |
3457 | |
3656 | |
3458 | /* simply recalculate all periodics */ |
3657 | /* simply recalculate all periodics */ |
3459 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
3658 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
3460 | noinline ecb_cold |
3659 | ecb_noinline ecb_cold |
3461 | static void |
3660 | static void |
3462 | periodics_reschedule (EV_P) |
3661 | periodics_reschedule (EV_P) |
3463 | { |
3662 | { |
3464 | int i; |
3663 | int i; |
3465 | |
3664 | |
… | |
… | |
3479 | reheap (periodics, periodiccnt); |
3678 | reheap (periodics, periodiccnt); |
3480 | } |
3679 | } |
3481 | #endif |
3680 | #endif |
3482 | |
3681 | |
3483 | /* adjust all timers by a given offset */ |
3682 | /* adjust all timers by a given offset */ |
3484 | noinline ecb_cold |
3683 | ecb_noinline ecb_cold |
3485 | static void |
3684 | static void |
3486 | timers_reschedule (EV_P_ ev_tstamp adjust) |
3685 | timers_reschedule (EV_P_ ev_tstamp adjust) |
3487 | { |
3686 | { |
3488 | int i; |
3687 | int i; |
3489 | |
3688 | |
… | |
… | |
3499 | /* also detect if there was a timejump, and act accordingly */ |
3698 | /* also detect if there was a timejump, and act accordingly */ |
3500 | inline_speed void |
3699 | inline_speed void |
3501 | time_update (EV_P_ ev_tstamp max_block) |
3700 | time_update (EV_P_ ev_tstamp max_block) |
3502 | { |
3701 | { |
3503 | #if EV_USE_MONOTONIC |
3702 | #if EV_USE_MONOTONIC |
3504 | if (expect_true (have_monotonic)) |
3703 | if (ecb_expect_true (have_monotonic)) |
3505 | { |
3704 | { |
3506 | int i; |
3705 | int i; |
3507 | ev_tstamp odiff = rtmn_diff; |
3706 | ev_tstamp odiff = rtmn_diff; |
3508 | |
3707 | |
3509 | mn_now = get_clock (); |
3708 | mn_now = get_clock (); |
3510 | |
3709 | |
3511 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
3710 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
3512 | /* interpolate in the meantime */ |
3711 | /* interpolate in the meantime */ |
3513 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
3712 | if (ecb_expect_true (mn_now - now_floor < EV_TS_CONST (MIN_TIMEJUMP * .5))) |
3514 | { |
3713 | { |
3515 | ev_rt_now = rtmn_diff + mn_now; |
3714 | ev_rt_now = rtmn_diff + mn_now; |
3516 | return; |
3715 | return; |
3517 | } |
3716 | } |
3518 | |
3717 | |
… | |
… | |
3532 | ev_tstamp diff; |
3731 | ev_tstamp diff; |
3533 | rtmn_diff = ev_rt_now - mn_now; |
3732 | rtmn_diff = ev_rt_now - mn_now; |
3534 | |
3733 | |
3535 | diff = odiff - rtmn_diff; |
3734 | diff = odiff - rtmn_diff; |
3536 | |
3735 | |
3537 | if (expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP)) |
3736 | if (ecb_expect_true ((diff < EV_TS_CONST (0.) ? -diff : diff) < EV_TS_CONST (MIN_TIMEJUMP))) |
3538 | return; /* all is well */ |
3737 | return; /* all is well */ |
3539 | |
3738 | |
3540 | ev_rt_now = ev_time (); |
3739 | ev_rt_now = ev_time (); |
3541 | mn_now = get_clock (); |
3740 | mn_now = get_clock (); |
3542 | now_floor = mn_now; |
3741 | now_floor = mn_now; |
… | |
… | |
3551 | else |
3750 | else |
3552 | #endif |
3751 | #endif |
3553 | { |
3752 | { |
3554 | ev_rt_now = ev_time (); |
3753 | ev_rt_now = ev_time (); |
3555 | |
3754 | |
3556 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
3755 | if (ecb_expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + EV_TS_CONST (MIN_TIMEJUMP))) |
3557 | { |
3756 | { |
3558 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
3757 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
3559 | timers_reschedule (EV_A_ ev_rt_now - mn_now); |
3758 | timers_reschedule (EV_A_ ev_rt_now - mn_now); |
3560 | #if EV_PERIODIC_ENABLE |
3759 | #if EV_PERIODIC_ENABLE |
3561 | periodics_reschedule (EV_A); |
3760 | periodics_reschedule (EV_A); |
… | |
… | |
3584 | #if EV_VERIFY >= 2 |
3783 | #if EV_VERIFY >= 2 |
3585 | ev_verify (EV_A); |
3784 | ev_verify (EV_A); |
3586 | #endif |
3785 | #endif |
3587 | |
3786 | |
3588 | #ifndef _WIN32 |
3787 | #ifndef _WIN32 |
3589 | if (expect_false (curpid)) /* penalise the forking check even more */ |
3788 | if (ecb_expect_false (curpid)) /* penalise the forking check even more */ |
3590 | if (expect_false (getpid () != curpid)) |
3789 | if (ecb_expect_false (getpid () != curpid)) |
3591 | { |
3790 | { |
3592 | curpid = getpid (); |
3791 | curpid = getpid (); |
3593 | postfork = 1; |
3792 | postfork = 1; |
3594 | } |
3793 | } |
3595 | #endif |
3794 | #endif |
3596 | |
3795 | |
3597 | #if EV_FORK_ENABLE |
3796 | #if EV_FORK_ENABLE |
3598 | /* we might have forked, so queue fork handlers */ |
3797 | /* we might have forked, so queue fork handlers */ |
3599 | if (expect_false (postfork)) |
3798 | if (ecb_expect_false (postfork)) |
3600 | if (forkcnt) |
3799 | if (forkcnt) |
3601 | { |
3800 | { |
3602 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
3801 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
3603 | EV_INVOKE_PENDING; |
3802 | EV_INVOKE_PENDING; |
3604 | } |
3803 | } |
3605 | #endif |
3804 | #endif |
3606 | |
3805 | |
3607 | #if EV_PREPARE_ENABLE |
3806 | #if EV_PREPARE_ENABLE |
3608 | /* queue prepare watchers (and execute them) */ |
3807 | /* queue prepare watchers (and execute them) */ |
3609 | if (expect_false (preparecnt)) |
3808 | if (ecb_expect_false (preparecnt)) |
3610 | { |
3809 | { |
3611 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
3810 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
3612 | EV_INVOKE_PENDING; |
3811 | EV_INVOKE_PENDING; |
3613 | } |
3812 | } |
3614 | #endif |
3813 | #endif |
3615 | |
3814 | |
3616 | if (expect_false (loop_done)) |
3815 | if (ecb_expect_false (loop_done)) |
3617 | break; |
3816 | break; |
3618 | |
3817 | |
3619 | /* we might have forked, so reify kernel state if necessary */ |
3818 | /* we might have forked, so reify kernel state if necessary */ |
3620 | if (expect_false (postfork)) |
3819 | if (ecb_expect_false (postfork)) |
3621 | loop_fork (EV_A); |
3820 | loop_fork (EV_A); |
3622 | |
3821 | |
3623 | /* update fd-related kernel structures */ |
3822 | /* update fd-related kernel structures */ |
3624 | fd_reify (EV_A); |
3823 | fd_reify (EV_A); |
3625 | |
3824 | |
… | |
… | |
3630 | |
3829 | |
3631 | /* remember old timestamp for io_blocktime calculation */ |
3830 | /* remember old timestamp for io_blocktime calculation */ |
3632 | ev_tstamp prev_mn_now = mn_now; |
3831 | ev_tstamp prev_mn_now = mn_now; |
3633 | |
3832 | |
3634 | /* update time to cancel out callback processing overhead */ |
3833 | /* update time to cancel out callback processing overhead */ |
3635 | time_update (EV_A_ 1e100); |
3834 | time_update (EV_A_ EV_TS_CONST (EV_TSTAMP_HUGE)); |
3636 | |
3835 | |
3637 | /* from now on, we want a pipe-wake-up */ |
3836 | /* from now on, we want a pipe-wake-up */ |
3638 | pipe_write_wanted = 1; |
3837 | pipe_write_wanted = 1; |
3639 | |
3838 | |
3640 | ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */ |
3839 | ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */ |
3641 | |
3840 | |
3642 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) |
3841 | if (ecb_expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) |
3643 | { |
3842 | { |
3644 | waittime = MAX_BLOCKTIME; |
3843 | waittime = EV_TS_CONST (MAX_BLOCKTIME); |
3645 | |
3844 | |
3646 | if (timercnt) |
3845 | if (timercnt) |
3647 | { |
3846 | { |
3648 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now; |
3847 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now; |
3649 | if (waittime > to) waittime = to; |
3848 | if (waittime > to) waittime = to; |
… | |
… | |
3656 | if (waittime > to) waittime = to; |
3855 | if (waittime > to) waittime = to; |
3657 | } |
3856 | } |
3658 | #endif |
3857 | #endif |
3659 | |
3858 | |
3660 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
3859 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
3661 | if (expect_false (waittime < timeout_blocktime)) |
3860 | if (ecb_expect_false (waittime < timeout_blocktime)) |
3662 | waittime = timeout_blocktime; |
3861 | waittime = timeout_blocktime; |
3663 | |
3862 | |
3664 | /* at this point, we NEED to wait, so we have to ensure */ |
3863 | /* at this point, we NEED to wait, so we have to ensure */ |
3665 | /* to pass a minimum nonzero value to the backend */ |
3864 | /* to pass a minimum nonzero value to the backend */ |
3666 | if (expect_false (waittime < backend_mintime)) |
3865 | if (ecb_expect_false (waittime < backend_mintime)) |
3667 | waittime = backend_mintime; |
3866 | waittime = backend_mintime; |
3668 | |
3867 | |
3669 | /* extra check because io_blocktime is commonly 0 */ |
3868 | /* extra check because io_blocktime is commonly 0 */ |
3670 | if (expect_false (io_blocktime)) |
3869 | if (ecb_expect_false (io_blocktime)) |
3671 | { |
3870 | { |
3672 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
3871 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
3673 | |
3872 | |
3674 | if (sleeptime > waittime - backend_mintime) |
3873 | if (sleeptime > waittime - backend_mintime) |
3675 | sleeptime = waittime - backend_mintime; |
3874 | sleeptime = waittime - backend_mintime; |
3676 | |
3875 | |
3677 | if (expect_true (sleeptime > 0.)) |
3876 | if (ecb_expect_true (sleeptime > EV_TS_CONST (0.))) |
3678 | { |
3877 | { |
3679 | ev_sleep (sleeptime); |
3878 | ev_sleep (sleeptime); |
3680 | waittime -= sleeptime; |
3879 | waittime -= sleeptime; |
3681 | } |
3880 | } |
3682 | } |
3881 | } |
… | |
… | |
3696 | { |
3895 | { |
3697 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
3896 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
3698 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
3897 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
3699 | } |
3898 | } |
3700 | |
3899 | |
3701 | |
|
|
3702 | /* update ev_rt_now, do magic */ |
3900 | /* update ev_rt_now, do magic */ |
3703 | time_update (EV_A_ waittime + sleeptime); |
3901 | time_update (EV_A_ waittime + sleeptime); |
3704 | } |
3902 | } |
3705 | |
3903 | |
3706 | /* queue pending timers and reschedule them */ |
3904 | /* queue pending timers and reschedule them */ |
… | |
… | |
3714 | idle_reify (EV_A); |
3912 | idle_reify (EV_A); |
3715 | #endif |
3913 | #endif |
3716 | |
3914 | |
3717 | #if EV_CHECK_ENABLE |
3915 | #if EV_CHECK_ENABLE |
3718 | /* queue check watchers, to be executed first */ |
3916 | /* queue check watchers, to be executed first */ |
3719 | if (expect_false (checkcnt)) |
3917 | if (ecb_expect_false (checkcnt)) |
3720 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
3918 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
3721 | #endif |
3919 | #endif |
3722 | |
3920 | |
3723 | EV_INVOKE_PENDING; |
3921 | EV_INVOKE_PENDING; |
3724 | } |
3922 | } |
3725 | while (expect_true ( |
3923 | while (ecb_expect_true ( |
3726 | activecnt |
3924 | activecnt |
3727 | && !loop_done |
3925 | && !loop_done |
3728 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
3926 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
3729 | )); |
3927 | )); |
3730 | |
3928 | |
… | |
… | |
3737 | |
3935 | |
3738 | return activecnt; |
3936 | return activecnt; |
3739 | } |
3937 | } |
3740 | |
3938 | |
3741 | void |
3939 | void |
3742 | ev_break (EV_P_ int how) EV_THROW |
3940 | ev_break (EV_P_ int how) EV_NOEXCEPT |
3743 | { |
3941 | { |
3744 | loop_done = how; |
3942 | loop_done = how; |
3745 | } |
3943 | } |
3746 | |
3944 | |
3747 | void |
3945 | void |
3748 | ev_ref (EV_P) EV_THROW |
3946 | ev_ref (EV_P) EV_NOEXCEPT |
3749 | { |
3947 | { |
3750 | ++activecnt; |
3948 | ++activecnt; |
3751 | } |
3949 | } |
3752 | |
3950 | |
3753 | void |
3951 | void |
3754 | ev_unref (EV_P) EV_THROW |
3952 | ev_unref (EV_P) EV_NOEXCEPT |
3755 | { |
3953 | { |
3756 | --activecnt; |
3954 | --activecnt; |
3757 | } |
3955 | } |
3758 | |
3956 | |
3759 | void |
3957 | void |
3760 | ev_now_update (EV_P) EV_THROW |
3958 | ev_now_update (EV_P) EV_NOEXCEPT |
3761 | { |
3959 | { |
3762 | time_update (EV_A_ 1e100); |
3960 | time_update (EV_A_ EV_TSTAMP_HUGE); |
3763 | } |
3961 | } |
3764 | |
3962 | |
3765 | void |
3963 | void |
3766 | ev_suspend (EV_P) EV_THROW |
3964 | ev_suspend (EV_P) EV_NOEXCEPT |
3767 | { |
3965 | { |
3768 | ev_now_update (EV_A); |
3966 | ev_now_update (EV_A); |
3769 | } |
3967 | } |
3770 | |
3968 | |
3771 | void |
3969 | void |
3772 | ev_resume (EV_P) EV_THROW |
3970 | ev_resume (EV_P) EV_NOEXCEPT |
3773 | { |
3971 | { |
3774 | ev_tstamp mn_prev = mn_now; |
3972 | ev_tstamp mn_prev = mn_now; |
3775 | |
3973 | |
3776 | ev_now_update (EV_A); |
3974 | ev_now_update (EV_A); |
3777 | timers_reschedule (EV_A_ mn_now - mn_prev); |
3975 | timers_reschedule (EV_A_ mn_now - mn_prev); |
… | |
… | |
3794 | inline_size void |
3992 | inline_size void |
3795 | wlist_del (WL *head, WL elem) |
3993 | wlist_del (WL *head, WL elem) |
3796 | { |
3994 | { |
3797 | while (*head) |
3995 | while (*head) |
3798 | { |
3996 | { |
3799 | if (expect_true (*head == elem)) |
3997 | if (ecb_expect_true (*head == elem)) |
3800 | { |
3998 | { |
3801 | *head = elem->next; |
3999 | *head = elem->next; |
3802 | break; |
4000 | break; |
3803 | } |
4001 | } |
3804 | |
4002 | |
… | |
… | |
3816 | w->pending = 0; |
4014 | w->pending = 0; |
3817 | } |
4015 | } |
3818 | } |
4016 | } |
3819 | |
4017 | |
3820 | int |
4018 | int |
3821 | ev_clear_pending (EV_P_ void *w) EV_THROW |
4019 | ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT |
3822 | { |
4020 | { |
3823 | W w_ = (W)w; |
4021 | W w_ = (W)w; |
3824 | int pending = w_->pending; |
4022 | int pending = w_->pending; |
3825 | |
4023 | |
3826 | if (expect_true (pending)) |
4024 | if (ecb_expect_true (pending)) |
3827 | { |
4025 | { |
3828 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
4026 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
3829 | p->w = (W)&pending_w; |
4027 | p->w = (W)&pending_w; |
3830 | w_->pending = 0; |
4028 | w_->pending = 0; |
3831 | return p->events; |
4029 | return p->events; |
… | |
… | |
3858 | w->active = 0; |
4056 | w->active = 0; |
3859 | } |
4057 | } |
3860 | |
4058 | |
3861 | /*****************************************************************************/ |
4059 | /*****************************************************************************/ |
3862 | |
4060 | |
3863 | noinline |
4061 | ecb_noinline |
3864 | void |
4062 | void |
3865 | ev_io_start (EV_P_ ev_io *w) EV_THROW |
4063 | ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT |
3866 | { |
4064 | { |
3867 | int fd = w->fd; |
4065 | int fd = w->fd; |
3868 | |
4066 | |
3869 | if (expect_false (ev_is_active (w))) |
4067 | if (ecb_expect_false (ev_is_active (w))) |
3870 | return; |
4068 | return; |
3871 | |
4069 | |
3872 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
4070 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
3873 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
4071 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
3874 | |
4072 | |
|
|
4073 | #if EV_VERIFY >= 2 |
|
|
4074 | assert (("libev: ev_io_start called on watcher with invalid fd", fd_valid (fd))); |
|
|
4075 | #endif |
3875 | EV_FREQUENT_CHECK; |
4076 | EV_FREQUENT_CHECK; |
3876 | |
4077 | |
3877 | ev_start (EV_A_ (W)w, 1); |
4078 | ev_start (EV_A_ (W)w, 1); |
3878 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
4079 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill); |
3879 | wlist_add (&anfds[fd].head, (WL)w); |
4080 | wlist_add (&anfds[fd].head, (WL)w); |
3880 | |
4081 | |
3881 | /* common bug, apparently */ |
4082 | /* common bug, apparently */ |
3882 | assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w)); |
4083 | assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w)); |
3883 | |
4084 | |
… | |
… | |
3885 | w->events &= ~EV__IOFDSET; |
4086 | w->events &= ~EV__IOFDSET; |
3886 | |
4087 | |
3887 | EV_FREQUENT_CHECK; |
4088 | EV_FREQUENT_CHECK; |
3888 | } |
4089 | } |
3889 | |
4090 | |
3890 | noinline |
4091 | ecb_noinline |
3891 | void |
4092 | void |
3892 | ev_io_stop (EV_P_ ev_io *w) EV_THROW |
4093 | ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT |
3893 | { |
4094 | { |
3894 | clear_pending (EV_A_ (W)w); |
4095 | clear_pending (EV_A_ (W)w); |
3895 | if (expect_false (!ev_is_active (w))) |
4096 | if (ecb_expect_false (!ev_is_active (w))) |
3896 | return; |
4097 | return; |
3897 | |
4098 | |
3898 | assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
4099 | assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
3899 | |
4100 | |
|
|
4101 | #if EV_VERIFY >= 2 |
|
|
4102 | assert (("libev: ev_io_stop called on watcher with invalid fd", fd_valid (w->fd))); |
|
|
4103 | #endif |
3900 | EV_FREQUENT_CHECK; |
4104 | EV_FREQUENT_CHECK; |
3901 | |
4105 | |
3902 | wlist_del (&anfds[w->fd].head, (WL)w); |
4106 | wlist_del (&anfds[w->fd].head, (WL)w); |
3903 | ev_stop (EV_A_ (W)w); |
4107 | ev_stop (EV_A_ (W)w); |
3904 | |
4108 | |
3905 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
4109 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
3906 | |
4110 | |
3907 | EV_FREQUENT_CHECK; |
4111 | EV_FREQUENT_CHECK; |
3908 | } |
4112 | } |
3909 | |
4113 | |
3910 | noinline |
4114 | ecb_noinline |
3911 | void |
4115 | void |
3912 | ev_timer_start (EV_P_ ev_timer *w) EV_THROW |
4116 | ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT |
3913 | { |
4117 | { |
3914 | if (expect_false (ev_is_active (w))) |
4118 | if (ecb_expect_false (ev_is_active (w))) |
3915 | return; |
4119 | return; |
3916 | |
4120 | |
3917 | ev_at (w) += mn_now; |
4121 | ev_at (w) += mn_now; |
3918 | |
4122 | |
3919 | assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
4123 | assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
3920 | |
4124 | |
3921 | EV_FREQUENT_CHECK; |
4125 | EV_FREQUENT_CHECK; |
3922 | |
4126 | |
3923 | ++timercnt; |
4127 | ++timercnt; |
3924 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
4128 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
3925 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2); |
4129 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, array_needsize_noinit); |
3926 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
4130 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
3927 | ANHE_at_cache (timers [ev_active (w)]); |
4131 | ANHE_at_cache (timers [ev_active (w)]); |
3928 | upheap (timers, ev_active (w)); |
4132 | upheap (timers, ev_active (w)); |
3929 | |
4133 | |
3930 | EV_FREQUENT_CHECK; |
4134 | EV_FREQUENT_CHECK; |
3931 | |
4135 | |
3932 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
4136 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
3933 | } |
4137 | } |
3934 | |
4138 | |
3935 | noinline |
4139 | ecb_noinline |
3936 | void |
4140 | void |
3937 | ev_timer_stop (EV_P_ ev_timer *w) EV_THROW |
4141 | ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT |
3938 | { |
4142 | { |
3939 | clear_pending (EV_A_ (W)w); |
4143 | clear_pending (EV_A_ (W)w); |
3940 | if (expect_false (!ev_is_active (w))) |
4144 | if (ecb_expect_false (!ev_is_active (w))) |
3941 | return; |
4145 | return; |
3942 | |
4146 | |
3943 | EV_FREQUENT_CHECK; |
4147 | EV_FREQUENT_CHECK; |
3944 | |
4148 | |
3945 | { |
4149 | { |
… | |
… | |
3947 | |
4151 | |
3948 | assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
4152 | assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
3949 | |
4153 | |
3950 | --timercnt; |
4154 | --timercnt; |
3951 | |
4155 | |
3952 | if (expect_true (active < timercnt + HEAP0)) |
4156 | if (ecb_expect_true (active < timercnt + HEAP0)) |
3953 | { |
4157 | { |
3954 | timers [active] = timers [timercnt + HEAP0]; |
4158 | timers [active] = timers [timercnt + HEAP0]; |
3955 | adjustheap (timers, timercnt, active); |
4159 | adjustheap (timers, timercnt, active); |
3956 | } |
4160 | } |
3957 | } |
4161 | } |
… | |
… | |
3961 | ev_stop (EV_A_ (W)w); |
4165 | ev_stop (EV_A_ (W)w); |
3962 | |
4166 | |
3963 | EV_FREQUENT_CHECK; |
4167 | EV_FREQUENT_CHECK; |
3964 | } |
4168 | } |
3965 | |
4169 | |
3966 | noinline |
4170 | ecb_noinline |
3967 | void |
4171 | void |
3968 | ev_timer_again (EV_P_ ev_timer *w) EV_THROW |
4172 | ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT |
3969 | { |
4173 | { |
3970 | EV_FREQUENT_CHECK; |
4174 | EV_FREQUENT_CHECK; |
3971 | |
4175 | |
3972 | clear_pending (EV_A_ (W)w); |
4176 | clear_pending (EV_A_ (W)w); |
3973 | |
4177 | |
… | |
… | |
3990 | |
4194 | |
3991 | EV_FREQUENT_CHECK; |
4195 | EV_FREQUENT_CHECK; |
3992 | } |
4196 | } |
3993 | |
4197 | |
3994 | ev_tstamp |
4198 | ev_tstamp |
3995 | ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW |
4199 | ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT |
3996 | { |
4200 | { |
3997 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
4201 | return ev_at (w) - (ev_is_active (w) ? mn_now : EV_TS_CONST (0.)); |
3998 | } |
4202 | } |
3999 | |
4203 | |
4000 | #if EV_PERIODIC_ENABLE |
4204 | #if EV_PERIODIC_ENABLE |
4001 | noinline |
4205 | ecb_noinline |
4002 | void |
4206 | void |
4003 | ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW |
4207 | ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4004 | { |
4208 | { |
4005 | if (expect_false (ev_is_active (w))) |
4209 | if (ecb_expect_false (ev_is_active (w))) |
4006 | return; |
4210 | return; |
4007 | |
4211 | |
4008 | if (w->reschedule_cb) |
4212 | if (w->reschedule_cb) |
4009 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
4213 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
4010 | else if (w->interval) |
4214 | else if (w->interval) |
… | |
… | |
4017 | |
4221 | |
4018 | EV_FREQUENT_CHECK; |
4222 | EV_FREQUENT_CHECK; |
4019 | |
4223 | |
4020 | ++periodiccnt; |
4224 | ++periodiccnt; |
4021 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
4225 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
4022 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2); |
4226 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, array_needsize_noinit); |
4023 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
4227 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
4024 | ANHE_at_cache (periodics [ev_active (w)]); |
4228 | ANHE_at_cache (periodics [ev_active (w)]); |
4025 | upheap (periodics, ev_active (w)); |
4229 | upheap (periodics, ev_active (w)); |
4026 | |
4230 | |
4027 | EV_FREQUENT_CHECK; |
4231 | EV_FREQUENT_CHECK; |
4028 | |
4232 | |
4029 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
4233 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
4030 | } |
4234 | } |
4031 | |
4235 | |
4032 | noinline |
4236 | ecb_noinline |
4033 | void |
4237 | void |
4034 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW |
4238 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4035 | { |
4239 | { |
4036 | clear_pending (EV_A_ (W)w); |
4240 | clear_pending (EV_A_ (W)w); |
4037 | if (expect_false (!ev_is_active (w))) |
4241 | if (ecb_expect_false (!ev_is_active (w))) |
4038 | return; |
4242 | return; |
4039 | |
4243 | |
4040 | EV_FREQUENT_CHECK; |
4244 | EV_FREQUENT_CHECK; |
4041 | |
4245 | |
4042 | { |
4246 | { |
… | |
… | |
4044 | |
4248 | |
4045 | assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
4249 | assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
4046 | |
4250 | |
4047 | --periodiccnt; |
4251 | --periodiccnt; |
4048 | |
4252 | |
4049 | if (expect_true (active < periodiccnt + HEAP0)) |
4253 | if (ecb_expect_true (active < periodiccnt + HEAP0)) |
4050 | { |
4254 | { |
4051 | periodics [active] = periodics [periodiccnt + HEAP0]; |
4255 | periodics [active] = periodics [periodiccnt + HEAP0]; |
4052 | adjustheap (periodics, periodiccnt, active); |
4256 | adjustheap (periodics, periodiccnt, active); |
4053 | } |
4257 | } |
4054 | } |
4258 | } |
… | |
… | |
4056 | ev_stop (EV_A_ (W)w); |
4260 | ev_stop (EV_A_ (W)w); |
4057 | |
4261 | |
4058 | EV_FREQUENT_CHECK; |
4262 | EV_FREQUENT_CHECK; |
4059 | } |
4263 | } |
4060 | |
4264 | |
4061 | noinline |
4265 | ecb_noinline |
4062 | void |
4266 | void |
4063 | ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW |
4267 | ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4064 | { |
4268 | { |
4065 | /* TODO: use adjustheap and recalculation */ |
4269 | /* TODO: use adjustheap and recalculation */ |
4066 | ev_periodic_stop (EV_A_ w); |
4270 | ev_periodic_stop (EV_A_ w); |
4067 | ev_periodic_start (EV_A_ w); |
4271 | ev_periodic_start (EV_A_ w); |
4068 | } |
4272 | } |
… | |
… | |
4072 | # define SA_RESTART 0 |
4276 | # define SA_RESTART 0 |
4073 | #endif |
4277 | #endif |
4074 | |
4278 | |
4075 | #if EV_SIGNAL_ENABLE |
4279 | #if EV_SIGNAL_ENABLE |
4076 | |
4280 | |
4077 | noinline |
4281 | ecb_noinline |
4078 | void |
4282 | void |
4079 | ev_signal_start (EV_P_ ev_signal *w) EV_THROW |
4283 | ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT |
4080 | { |
4284 | { |
4081 | if (expect_false (ev_is_active (w))) |
4285 | if (ecb_expect_false (ev_is_active (w))) |
4082 | return; |
4286 | return; |
4083 | |
4287 | |
4084 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
4288 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
4085 | |
4289 | |
4086 | #if EV_MULTIPLICITY |
4290 | #if EV_MULTIPLICITY |
… | |
… | |
4155 | } |
4359 | } |
4156 | |
4360 | |
4157 | EV_FREQUENT_CHECK; |
4361 | EV_FREQUENT_CHECK; |
4158 | } |
4362 | } |
4159 | |
4363 | |
4160 | noinline |
4364 | ecb_noinline |
4161 | void |
4365 | void |
4162 | ev_signal_stop (EV_P_ ev_signal *w) EV_THROW |
4366 | ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT |
4163 | { |
4367 | { |
4164 | clear_pending (EV_A_ (W)w); |
4368 | clear_pending (EV_A_ (W)w); |
4165 | if (expect_false (!ev_is_active (w))) |
4369 | if (ecb_expect_false (!ev_is_active (w))) |
4166 | return; |
4370 | return; |
4167 | |
4371 | |
4168 | EV_FREQUENT_CHECK; |
4372 | EV_FREQUENT_CHECK; |
4169 | |
4373 | |
4170 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
4374 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
… | |
… | |
4198 | #endif |
4402 | #endif |
4199 | |
4403 | |
4200 | #if EV_CHILD_ENABLE |
4404 | #if EV_CHILD_ENABLE |
4201 | |
4405 | |
4202 | void |
4406 | void |
4203 | ev_child_start (EV_P_ ev_child *w) EV_THROW |
4407 | ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT |
4204 | { |
4408 | { |
4205 | #if EV_MULTIPLICITY |
4409 | #if EV_MULTIPLICITY |
4206 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
4410 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
4207 | #endif |
4411 | #endif |
4208 | if (expect_false (ev_is_active (w))) |
4412 | if (ecb_expect_false (ev_is_active (w))) |
4209 | return; |
4413 | return; |
4210 | |
4414 | |
4211 | EV_FREQUENT_CHECK; |
4415 | EV_FREQUENT_CHECK; |
4212 | |
4416 | |
4213 | ev_start (EV_A_ (W)w, 1); |
4417 | ev_start (EV_A_ (W)w, 1); |
… | |
… | |
4215 | |
4419 | |
4216 | EV_FREQUENT_CHECK; |
4420 | EV_FREQUENT_CHECK; |
4217 | } |
4421 | } |
4218 | |
4422 | |
4219 | void |
4423 | void |
4220 | ev_child_stop (EV_P_ ev_child *w) EV_THROW |
4424 | ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT |
4221 | { |
4425 | { |
4222 | clear_pending (EV_A_ (W)w); |
4426 | clear_pending (EV_A_ (W)w); |
4223 | if (expect_false (!ev_is_active (w))) |
4427 | if (ecb_expect_false (!ev_is_active (w))) |
4224 | return; |
4428 | return; |
4225 | |
4429 | |
4226 | EV_FREQUENT_CHECK; |
4430 | EV_FREQUENT_CHECK; |
4227 | |
4431 | |
4228 | wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
4432 | wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
… | |
… | |
4242 | |
4446 | |
4243 | #define DEF_STAT_INTERVAL 5.0074891 |
4447 | #define DEF_STAT_INTERVAL 5.0074891 |
4244 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
4448 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
4245 | #define MIN_STAT_INTERVAL 0.1074891 |
4449 | #define MIN_STAT_INTERVAL 0.1074891 |
4246 | |
4450 | |
4247 | noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
4451 | ecb_noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
4248 | |
4452 | |
4249 | #if EV_USE_INOTIFY |
4453 | #if EV_USE_INOTIFY |
4250 | |
4454 | |
4251 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
4455 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
4252 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
4456 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
4253 | |
4457 | |
4254 | noinline |
4458 | ecb_noinline |
4255 | static void |
4459 | static void |
4256 | infy_add (EV_P_ ev_stat *w) |
4460 | infy_add (EV_P_ ev_stat *w) |
4257 | { |
4461 | { |
4258 | w->wd = inotify_add_watch (fs_fd, w->path, |
4462 | w->wd = inotify_add_watch (fs_fd, w->path, |
4259 | IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY |
4463 | IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY |
… | |
… | |
4324 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
4528 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
4325 | ev_timer_again (EV_A_ &w->timer); |
4529 | ev_timer_again (EV_A_ &w->timer); |
4326 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
4530 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
4327 | } |
4531 | } |
4328 | |
4532 | |
4329 | noinline |
4533 | ecb_noinline |
4330 | static void |
4534 | static void |
4331 | infy_del (EV_P_ ev_stat *w) |
4535 | infy_del (EV_P_ ev_stat *w) |
4332 | { |
4536 | { |
4333 | int slot; |
4537 | int slot; |
4334 | int wd = w->wd; |
4538 | int wd = w->wd; |
… | |
… | |
4342 | |
4546 | |
4343 | /* remove this watcher, if others are watching it, they will rearm */ |
4547 | /* remove this watcher, if others are watching it, they will rearm */ |
4344 | inotify_rm_watch (fs_fd, wd); |
4548 | inotify_rm_watch (fs_fd, wd); |
4345 | } |
4549 | } |
4346 | |
4550 | |
4347 | noinline |
4551 | ecb_noinline |
4348 | static void |
4552 | static void |
4349 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
4553 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
4350 | { |
4554 | { |
4351 | if (slot < 0) |
4555 | if (slot < 0) |
4352 | /* overflow, need to check for all hash slots */ |
4556 | /* overflow, need to check for all hash slots */ |
… | |
… | |
4490 | #else |
4694 | #else |
4491 | # define EV_LSTAT(p,b) lstat (p, b) |
4695 | # define EV_LSTAT(p,b) lstat (p, b) |
4492 | #endif |
4696 | #endif |
4493 | |
4697 | |
4494 | void |
4698 | void |
4495 | ev_stat_stat (EV_P_ ev_stat *w) EV_THROW |
4699 | ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT |
4496 | { |
4700 | { |
4497 | if (lstat (w->path, &w->attr) < 0) |
4701 | if (lstat (w->path, &w->attr) < 0) |
4498 | w->attr.st_nlink = 0; |
4702 | w->attr.st_nlink = 0; |
4499 | else if (!w->attr.st_nlink) |
4703 | else if (!w->attr.st_nlink) |
4500 | w->attr.st_nlink = 1; |
4704 | w->attr.st_nlink = 1; |
4501 | } |
4705 | } |
4502 | |
4706 | |
4503 | noinline |
4707 | ecb_noinline |
4504 | static void |
4708 | static void |
4505 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
4709 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
4506 | { |
4710 | { |
4507 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
4711 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
4508 | |
4712 | |
… | |
… | |
4540 | ev_feed_event (EV_A_ w, EV_STAT); |
4744 | ev_feed_event (EV_A_ w, EV_STAT); |
4541 | } |
4745 | } |
4542 | } |
4746 | } |
4543 | |
4747 | |
4544 | void |
4748 | void |
4545 | ev_stat_start (EV_P_ ev_stat *w) EV_THROW |
4749 | ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT |
4546 | { |
4750 | { |
4547 | if (expect_false (ev_is_active (w))) |
4751 | if (ecb_expect_false (ev_is_active (w))) |
4548 | return; |
4752 | return; |
4549 | |
4753 | |
4550 | ev_stat_stat (EV_A_ w); |
4754 | ev_stat_stat (EV_A_ w); |
4551 | |
4755 | |
4552 | if (w->interval < MIN_STAT_INTERVAL && w->interval) |
4756 | if (w->interval < MIN_STAT_INTERVAL && w->interval) |
… | |
… | |
4571 | |
4775 | |
4572 | EV_FREQUENT_CHECK; |
4776 | EV_FREQUENT_CHECK; |
4573 | } |
4777 | } |
4574 | |
4778 | |
4575 | void |
4779 | void |
4576 | ev_stat_stop (EV_P_ ev_stat *w) EV_THROW |
4780 | ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT |
4577 | { |
4781 | { |
4578 | clear_pending (EV_A_ (W)w); |
4782 | clear_pending (EV_A_ (W)w); |
4579 | if (expect_false (!ev_is_active (w))) |
4783 | if (ecb_expect_false (!ev_is_active (w))) |
4580 | return; |
4784 | return; |
4581 | |
4785 | |
4582 | EV_FREQUENT_CHECK; |
4786 | EV_FREQUENT_CHECK; |
4583 | |
4787 | |
4584 | #if EV_USE_INOTIFY |
4788 | #if EV_USE_INOTIFY |
… | |
… | |
4597 | } |
4801 | } |
4598 | #endif |
4802 | #endif |
4599 | |
4803 | |
4600 | #if EV_IDLE_ENABLE |
4804 | #if EV_IDLE_ENABLE |
4601 | void |
4805 | void |
4602 | ev_idle_start (EV_P_ ev_idle *w) EV_THROW |
4806 | ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT |
4603 | { |
4807 | { |
4604 | if (expect_false (ev_is_active (w))) |
4808 | if (ecb_expect_false (ev_is_active (w))) |
4605 | return; |
4809 | return; |
4606 | |
4810 | |
4607 | pri_adjust (EV_A_ (W)w); |
4811 | pri_adjust (EV_A_ (W)w); |
4608 | |
4812 | |
4609 | EV_FREQUENT_CHECK; |
4813 | EV_FREQUENT_CHECK; |
… | |
… | |
4612 | int active = ++idlecnt [ABSPRI (w)]; |
4816 | int active = ++idlecnt [ABSPRI (w)]; |
4613 | |
4817 | |
4614 | ++idleall; |
4818 | ++idleall; |
4615 | ev_start (EV_A_ (W)w, active); |
4819 | ev_start (EV_A_ (W)w, active); |
4616 | |
4820 | |
4617 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
4821 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, array_needsize_noinit); |
4618 | idles [ABSPRI (w)][active - 1] = w; |
4822 | idles [ABSPRI (w)][active - 1] = w; |
4619 | } |
4823 | } |
4620 | |
4824 | |
4621 | EV_FREQUENT_CHECK; |
4825 | EV_FREQUENT_CHECK; |
4622 | } |
4826 | } |
4623 | |
4827 | |
4624 | void |
4828 | void |
4625 | ev_idle_stop (EV_P_ ev_idle *w) EV_THROW |
4829 | ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT |
4626 | { |
4830 | { |
4627 | clear_pending (EV_A_ (W)w); |
4831 | clear_pending (EV_A_ (W)w); |
4628 | if (expect_false (!ev_is_active (w))) |
4832 | if (ecb_expect_false (!ev_is_active (w))) |
4629 | return; |
4833 | return; |
4630 | |
4834 | |
4631 | EV_FREQUENT_CHECK; |
4835 | EV_FREQUENT_CHECK; |
4632 | |
4836 | |
4633 | { |
4837 | { |
… | |
… | |
4644 | } |
4848 | } |
4645 | #endif |
4849 | #endif |
4646 | |
4850 | |
4647 | #if EV_PREPARE_ENABLE |
4851 | #if EV_PREPARE_ENABLE |
4648 | void |
4852 | void |
4649 | ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW |
4853 | ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT |
4650 | { |
4854 | { |
4651 | if (expect_false (ev_is_active (w))) |
4855 | if (ecb_expect_false (ev_is_active (w))) |
4652 | return; |
4856 | return; |
4653 | |
4857 | |
4654 | EV_FREQUENT_CHECK; |
4858 | EV_FREQUENT_CHECK; |
4655 | |
4859 | |
4656 | ev_start (EV_A_ (W)w, ++preparecnt); |
4860 | ev_start (EV_A_ (W)w, ++preparecnt); |
4657 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
4861 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, array_needsize_noinit); |
4658 | prepares [preparecnt - 1] = w; |
4862 | prepares [preparecnt - 1] = w; |
4659 | |
4863 | |
4660 | EV_FREQUENT_CHECK; |
4864 | EV_FREQUENT_CHECK; |
4661 | } |
4865 | } |
4662 | |
4866 | |
4663 | void |
4867 | void |
4664 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW |
4868 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT |
4665 | { |
4869 | { |
4666 | clear_pending (EV_A_ (W)w); |
4870 | clear_pending (EV_A_ (W)w); |
4667 | if (expect_false (!ev_is_active (w))) |
4871 | if (ecb_expect_false (!ev_is_active (w))) |
4668 | return; |
4872 | return; |
4669 | |
4873 | |
4670 | EV_FREQUENT_CHECK; |
4874 | EV_FREQUENT_CHECK; |
4671 | |
4875 | |
4672 | { |
4876 | { |
… | |
… | |
4682 | } |
4886 | } |
4683 | #endif |
4887 | #endif |
4684 | |
4888 | |
4685 | #if EV_CHECK_ENABLE |
4889 | #if EV_CHECK_ENABLE |
4686 | void |
4890 | void |
4687 | ev_check_start (EV_P_ ev_check *w) EV_THROW |
4891 | ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT |
4688 | { |
4892 | { |
4689 | if (expect_false (ev_is_active (w))) |
4893 | if (ecb_expect_false (ev_is_active (w))) |
4690 | return; |
4894 | return; |
4691 | |
4895 | |
4692 | EV_FREQUENT_CHECK; |
4896 | EV_FREQUENT_CHECK; |
4693 | |
4897 | |
4694 | ev_start (EV_A_ (W)w, ++checkcnt); |
4898 | ev_start (EV_A_ (W)w, ++checkcnt); |
4695 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
4899 | array_needsize (ev_check *, checks, checkmax, checkcnt, array_needsize_noinit); |
4696 | checks [checkcnt - 1] = w; |
4900 | checks [checkcnt - 1] = w; |
4697 | |
4901 | |
4698 | EV_FREQUENT_CHECK; |
4902 | EV_FREQUENT_CHECK; |
4699 | } |
4903 | } |
4700 | |
4904 | |
4701 | void |
4905 | void |
4702 | ev_check_stop (EV_P_ ev_check *w) EV_THROW |
4906 | ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT |
4703 | { |
4907 | { |
4704 | clear_pending (EV_A_ (W)w); |
4908 | clear_pending (EV_A_ (W)w); |
4705 | if (expect_false (!ev_is_active (w))) |
4909 | if (ecb_expect_false (!ev_is_active (w))) |
4706 | return; |
4910 | return; |
4707 | |
4911 | |
4708 | EV_FREQUENT_CHECK; |
4912 | EV_FREQUENT_CHECK; |
4709 | |
4913 | |
4710 | { |
4914 | { |
… | |
… | |
4719 | EV_FREQUENT_CHECK; |
4923 | EV_FREQUENT_CHECK; |
4720 | } |
4924 | } |
4721 | #endif |
4925 | #endif |
4722 | |
4926 | |
4723 | #if EV_EMBED_ENABLE |
4927 | #if EV_EMBED_ENABLE |
4724 | noinline |
4928 | ecb_noinline |
4725 | void |
4929 | void |
4726 | ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW |
4930 | ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT |
4727 | { |
4931 | { |
4728 | ev_run (w->other, EVRUN_NOWAIT); |
4932 | ev_run (w->other, EVRUN_NOWAIT); |
4729 | } |
4933 | } |
4730 | |
4934 | |
4731 | static void |
4935 | static void |
… | |
… | |
4779 | ev_idle_stop (EV_A_ idle); |
4983 | ev_idle_stop (EV_A_ idle); |
4780 | } |
4984 | } |
4781 | #endif |
4985 | #endif |
4782 | |
4986 | |
4783 | void |
4987 | void |
4784 | ev_embed_start (EV_P_ ev_embed *w) EV_THROW |
4988 | ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT |
4785 | { |
4989 | { |
4786 | if (expect_false (ev_is_active (w))) |
4990 | if (ecb_expect_false (ev_is_active (w))) |
4787 | return; |
4991 | return; |
4788 | |
4992 | |
4789 | { |
4993 | { |
4790 | EV_P = w->other; |
4994 | EV_P = w->other; |
4791 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
4995 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
… | |
… | |
4810 | |
5014 | |
4811 | EV_FREQUENT_CHECK; |
5015 | EV_FREQUENT_CHECK; |
4812 | } |
5016 | } |
4813 | |
5017 | |
4814 | void |
5018 | void |
4815 | ev_embed_stop (EV_P_ ev_embed *w) EV_THROW |
5019 | ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT |
4816 | { |
5020 | { |
4817 | clear_pending (EV_A_ (W)w); |
5021 | clear_pending (EV_A_ (W)w); |
4818 | if (expect_false (!ev_is_active (w))) |
5022 | if (ecb_expect_false (!ev_is_active (w))) |
4819 | return; |
5023 | return; |
4820 | |
5024 | |
4821 | EV_FREQUENT_CHECK; |
5025 | EV_FREQUENT_CHECK; |
4822 | |
5026 | |
4823 | ev_io_stop (EV_A_ &w->io); |
5027 | ev_io_stop (EV_A_ &w->io); |
… | |
… | |
4830 | } |
5034 | } |
4831 | #endif |
5035 | #endif |
4832 | |
5036 | |
4833 | #if EV_FORK_ENABLE |
5037 | #if EV_FORK_ENABLE |
4834 | void |
5038 | void |
4835 | ev_fork_start (EV_P_ ev_fork *w) EV_THROW |
5039 | ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT |
4836 | { |
5040 | { |
4837 | if (expect_false (ev_is_active (w))) |
5041 | if (ecb_expect_false (ev_is_active (w))) |
4838 | return; |
5042 | return; |
4839 | |
5043 | |
4840 | EV_FREQUENT_CHECK; |
5044 | EV_FREQUENT_CHECK; |
4841 | |
5045 | |
4842 | ev_start (EV_A_ (W)w, ++forkcnt); |
5046 | ev_start (EV_A_ (W)w, ++forkcnt); |
4843 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
5047 | array_needsize (ev_fork *, forks, forkmax, forkcnt, array_needsize_noinit); |
4844 | forks [forkcnt - 1] = w; |
5048 | forks [forkcnt - 1] = w; |
4845 | |
5049 | |
4846 | EV_FREQUENT_CHECK; |
5050 | EV_FREQUENT_CHECK; |
4847 | } |
5051 | } |
4848 | |
5052 | |
4849 | void |
5053 | void |
4850 | ev_fork_stop (EV_P_ ev_fork *w) EV_THROW |
5054 | ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT |
4851 | { |
5055 | { |
4852 | clear_pending (EV_A_ (W)w); |
5056 | clear_pending (EV_A_ (W)w); |
4853 | if (expect_false (!ev_is_active (w))) |
5057 | if (ecb_expect_false (!ev_is_active (w))) |
4854 | return; |
5058 | return; |
4855 | |
5059 | |
4856 | EV_FREQUENT_CHECK; |
5060 | EV_FREQUENT_CHECK; |
4857 | |
5061 | |
4858 | { |
5062 | { |
… | |
… | |
4868 | } |
5072 | } |
4869 | #endif |
5073 | #endif |
4870 | |
5074 | |
4871 | #if EV_CLEANUP_ENABLE |
5075 | #if EV_CLEANUP_ENABLE |
4872 | void |
5076 | void |
4873 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW |
5077 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
4874 | { |
5078 | { |
4875 | if (expect_false (ev_is_active (w))) |
5079 | if (ecb_expect_false (ev_is_active (w))) |
4876 | return; |
5080 | return; |
4877 | |
5081 | |
4878 | EV_FREQUENT_CHECK; |
5082 | EV_FREQUENT_CHECK; |
4879 | |
5083 | |
4880 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
5084 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
4881 | array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2); |
5085 | array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, array_needsize_noinit); |
4882 | cleanups [cleanupcnt - 1] = w; |
5086 | cleanups [cleanupcnt - 1] = w; |
4883 | |
5087 | |
4884 | /* cleanup watchers should never keep a refcount on the loop */ |
5088 | /* cleanup watchers should never keep a refcount on the loop */ |
4885 | ev_unref (EV_A); |
5089 | ev_unref (EV_A); |
4886 | EV_FREQUENT_CHECK; |
5090 | EV_FREQUENT_CHECK; |
4887 | } |
5091 | } |
4888 | |
5092 | |
4889 | void |
5093 | void |
4890 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW |
5094 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
4891 | { |
5095 | { |
4892 | clear_pending (EV_A_ (W)w); |
5096 | clear_pending (EV_A_ (W)w); |
4893 | if (expect_false (!ev_is_active (w))) |
5097 | if (ecb_expect_false (!ev_is_active (w))) |
4894 | return; |
5098 | return; |
4895 | |
5099 | |
4896 | EV_FREQUENT_CHECK; |
5100 | EV_FREQUENT_CHECK; |
4897 | ev_ref (EV_A); |
5101 | ev_ref (EV_A); |
4898 | |
5102 | |
… | |
… | |
4909 | } |
5113 | } |
4910 | #endif |
5114 | #endif |
4911 | |
5115 | |
4912 | #if EV_ASYNC_ENABLE |
5116 | #if EV_ASYNC_ENABLE |
4913 | void |
5117 | void |
4914 | ev_async_start (EV_P_ ev_async *w) EV_THROW |
5118 | ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT |
4915 | { |
5119 | { |
4916 | if (expect_false (ev_is_active (w))) |
5120 | if (ecb_expect_false (ev_is_active (w))) |
4917 | return; |
5121 | return; |
4918 | |
5122 | |
4919 | w->sent = 0; |
5123 | w->sent = 0; |
4920 | |
5124 | |
4921 | evpipe_init (EV_A); |
5125 | evpipe_init (EV_A); |
4922 | |
5126 | |
4923 | EV_FREQUENT_CHECK; |
5127 | EV_FREQUENT_CHECK; |
4924 | |
5128 | |
4925 | ev_start (EV_A_ (W)w, ++asynccnt); |
5129 | ev_start (EV_A_ (W)w, ++asynccnt); |
4926 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
5130 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, array_needsize_noinit); |
4927 | asyncs [asynccnt - 1] = w; |
5131 | asyncs [asynccnt - 1] = w; |
4928 | |
5132 | |
4929 | EV_FREQUENT_CHECK; |
5133 | EV_FREQUENT_CHECK; |
4930 | } |
5134 | } |
4931 | |
5135 | |
4932 | void |
5136 | void |
4933 | ev_async_stop (EV_P_ ev_async *w) EV_THROW |
5137 | ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT |
4934 | { |
5138 | { |
4935 | clear_pending (EV_A_ (W)w); |
5139 | clear_pending (EV_A_ (W)w); |
4936 | if (expect_false (!ev_is_active (w))) |
5140 | if (ecb_expect_false (!ev_is_active (w))) |
4937 | return; |
5141 | return; |
4938 | |
5142 | |
4939 | EV_FREQUENT_CHECK; |
5143 | EV_FREQUENT_CHECK; |
4940 | |
5144 | |
4941 | { |
5145 | { |
… | |
… | |
4949 | |
5153 | |
4950 | EV_FREQUENT_CHECK; |
5154 | EV_FREQUENT_CHECK; |
4951 | } |
5155 | } |
4952 | |
5156 | |
4953 | void |
5157 | void |
4954 | ev_async_send (EV_P_ ev_async *w) EV_THROW |
5158 | ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT |
4955 | { |
5159 | { |
4956 | w->sent = 1; |
5160 | w->sent = 1; |
4957 | evpipe_write (EV_A_ &async_pending); |
5161 | evpipe_write (EV_A_ &async_pending); |
4958 | } |
5162 | } |
4959 | #endif |
5163 | #endif |
… | |
… | |
4996 | |
5200 | |
4997 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
5201 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
4998 | } |
5202 | } |
4999 | |
5203 | |
5000 | void |
5204 | void |
5001 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW |
5205 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT |
5002 | { |
5206 | { |
5003 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
5207 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
5004 | |
|
|
5005 | if (expect_false (!once)) |
|
|
5006 | { |
|
|
5007 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg); |
|
|
5008 | return; |
|
|
5009 | } |
|
|
5010 | |
5208 | |
5011 | once->cb = cb; |
5209 | once->cb = cb; |
5012 | once->arg = arg; |
5210 | once->arg = arg; |
5013 | |
5211 | |
5014 | ev_init (&once->io, once_cb_io); |
5212 | ev_init (&once->io, once_cb_io); |
… | |
… | |
5029 | /*****************************************************************************/ |
5227 | /*****************************************************************************/ |
5030 | |
5228 | |
5031 | #if EV_WALK_ENABLE |
5229 | #if EV_WALK_ENABLE |
5032 | ecb_cold |
5230 | ecb_cold |
5033 | void |
5231 | void |
5034 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW |
5232 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT |
5035 | { |
5233 | { |
5036 | int i, j; |
5234 | int i, j; |
5037 | ev_watcher_list *wl, *wn; |
5235 | ev_watcher_list *wl, *wn; |
5038 | |
5236 | |
5039 | if (types & (EV_IO | EV_EMBED)) |
5237 | if (types & (EV_IO | EV_EMBED)) |