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 | * |
… | |
… | |
43 | # include EV_CONFIG_H |
43 | # include EV_CONFIG_H |
44 | # else |
44 | # else |
45 | # include "config.h" |
45 | # include "config.h" |
46 | # endif |
46 | # endif |
47 | |
47 | |
48 | #if HAVE_FLOOR |
48 | # if HAVE_FLOOR |
49 | # ifndef EV_USE_FLOOR |
49 | # ifndef EV_USE_FLOOR |
50 | # define EV_USE_FLOOR 1 |
50 | # define EV_USE_FLOOR 1 |
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|
51 | # endif |
51 | # endif |
52 | # endif |
52 | #endif |
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53 | |
53 | |
54 | # if HAVE_CLOCK_SYSCALL |
54 | # if HAVE_CLOCK_SYSCALL |
55 | # ifndef EV_USE_CLOCK_SYSCALL |
55 | # ifndef EV_USE_CLOCK_SYSCALL |
56 | # define EV_USE_CLOCK_SYSCALL 1 |
56 | # define EV_USE_CLOCK_SYSCALL 1 |
57 | # ifndef EV_USE_REALTIME |
57 | # ifndef EV_USE_REALTIME |
… | |
… | |
162 | # define EV_USE_EVENTFD 0 |
162 | # define EV_USE_EVENTFD 0 |
163 | # endif |
163 | # endif |
164 | |
164 | |
165 | #endif |
165 | #endif |
166 | |
166 | |
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167 | /* OS X, in its infinite idiocy, actually HARDCODES |
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168 | * a limit of 1024 into their select. Where people have brains, |
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169 | * OS X engineers apparently have a vacuum. Or maybe they were |
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170 | * ordered to have a vacuum, or they do anything for money. |
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171 | * This might help. Or not. |
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172 | * Note that this must be defined early, as other include files |
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173 | * will rely on this define as well. |
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174 | */ |
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175 | #define _DARWIN_UNLIMITED_SELECT 1 |
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176 | |
167 | #include <stdlib.h> |
177 | #include <stdlib.h> |
168 | #include <string.h> |
178 | #include <string.h> |
169 | #include <fcntl.h> |
179 | #include <fcntl.h> |
170 | #include <stddef.h> |
180 | #include <stddef.h> |
171 | |
181 | |
… | |
… | |
208 | # ifndef EV_SELECT_IS_WINSOCKET |
218 | # ifndef EV_SELECT_IS_WINSOCKET |
209 | # define EV_SELECT_IS_WINSOCKET 1 |
219 | # define EV_SELECT_IS_WINSOCKET 1 |
210 | # endif |
220 | # endif |
211 | # undef EV_AVOID_STDIO |
221 | # undef EV_AVOID_STDIO |
212 | #endif |
222 | #endif |
213 | |
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|
214 | /* OS X, in its infinite idiocy, actually HARDCODES |
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215 | * a limit of 1024 into their select. Where people have brains, |
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216 | * OS X engineers apparently have a vacuum. Or maybe they were |
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217 | * ordered to have a vacuum, or they do anything for money. |
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218 | * This might help. Or not. |
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219 | */ |
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220 | #define _DARWIN_UNLIMITED_SELECT 1 |
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221 | |
223 | |
222 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
224 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
223 | |
225 | |
224 | /* try to deduce the maximum number of signals on this platform */ |
226 | /* try to deduce the maximum number of signals on this platform */ |
225 | #if defined EV_NSIG |
227 | #if defined EV_NSIG |
… | |
… | |
256 | # else |
258 | # else |
257 | # define EV_USE_CLOCK_SYSCALL 0 |
259 | # define EV_USE_CLOCK_SYSCALL 0 |
258 | # endif |
260 | # endif |
259 | #endif |
261 | #endif |
260 | |
262 | |
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263 | #if !(_POSIX_TIMERS > 0) |
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264 | # ifndef EV_USE_MONOTONIC |
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265 | # define EV_USE_MONOTONIC 0 |
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266 | # endif |
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267 | # ifndef EV_USE_REALTIME |
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268 | # define EV_USE_REALTIME 0 |
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269 | # endif |
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270 | #endif |
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271 | |
261 | #ifndef EV_USE_MONOTONIC |
272 | #ifndef EV_USE_MONOTONIC |
262 | # if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0 |
273 | # if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0 |
263 | # define EV_USE_MONOTONIC EV_FEATURE_OS |
274 | # define EV_USE_MONOTONIC EV_FEATURE_OS |
264 | # else |
275 | # else |
265 | # define EV_USE_MONOTONIC 0 |
276 | # define EV_USE_MONOTONIC 0 |
… | |
… | |
304 | |
315 | |
305 | #ifndef EV_USE_PORT |
316 | #ifndef EV_USE_PORT |
306 | # define EV_USE_PORT 0 |
317 | # define EV_USE_PORT 0 |
307 | #endif |
318 | #endif |
308 | |
319 | |
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320 | #ifndef EV_USE_LINUXAIO |
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321 | # define EV_USE_LINUXAIO 0 |
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322 | #endif |
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323 | |
309 | #ifndef EV_USE_INOTIFY |
324 | #ifndef EV_USE_INOTIFY |
310 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
325 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
311 | # define EV_USE_INOTIFY EV_FEATURE_OS |
326 | # define EV_USE_INOTIFY EV_FEATURE_OS |
312 | # else |
327 | # else |
313 | # define EV_USE_INOTIFY 0 |
328 | # define EV_USE_INOTIFY 0 |
… | |
… | |
354 | |
369 | |
355 | #ifndef EV_HEAP_CACHE_AT |
370 | #ifndef EV_HEAP_CACHE_AT |
356 | # define EV_HEAP_CACHE_AT EV_FEATURE_DATA |
371 | # define EV_HEAP_CACHE_AT EV_FEATURE_DATA |
357 | #endif |
372 | #endif |
358 | |
373 | |
359 | #ifdef ANDROID |
374 | #ifdef __ANDROID__ |
360 | /* supposedly, android doesn't typedef fd_mask */ |
375 | /* supposedly, android doesn't typedef fd_mask */ |
361 | # undef EV_USE_SELECT |
376 | # undef EV_USE_SELECT |
362 | # define EV_USE_SELECT 0 |
377 | # define EV_USE_SELECT 0 |
363 | /* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */ |
378 | /* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */ |
364 | # undef EV_USE_CLOCK_SYSCALL |
379 | # undef EV_USE_CLOCK_SYSCALL |
… | |
… | |
368 | /* aix's poll.h seems to cause lots of trouble */ |
383 | /* aix's poll.h seems to cause lots of trouble */ |
369 | #ifdef _AIX |
384 | #ifdef _AIX |
370 | /* AIX has a completely broken poll.h header */ |
385 | /* AIX has a completely broken poll.h header */ |
371 | # undef EV_USE_POLL |
386 | # undef EV_USE_POLL |
372 | # define EV_USE_POLL 0 |
387 | # define EV_USE_POLL 0 |
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388 | #endif |
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389 | |
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390 | #if EV_USE_LINUXAIO |
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391 | # include <linux/aio_abi.h> /* probably only needed for aio_context_t */ |
373 | #endif |
392 | #endif |
374 | |
393 | |
375 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
394 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
376 | /* which makes programs even slower. might work on other unices, too. */ |
395 | /* which makes programs even slower. might work on other unices, too. */ |
377 | #if EV_USE_CLOCK_SYSCALL |
396 | #if EV_USE_CLOCK_SYSCALL |
… | |
… | |
482 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
501 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
483 | /* ECB.H BEGIN */ |
502 | /* ECB.H BEGIN */ |
484 | /* |
503 | /* |
485 | * libecb - http://software.schmorp.de/pkg/libecb |
504 | * libecb - http://software.schmorp.de/pkg/libecb |
486 | * |
505 | * |
487 | * Copyright (©) 2009-2014 Marc Alexander Lehmann <libecb@schmorp.de> |
506 | * Copyright (©) 2009-2015 Marc Alexander Lehmann <libecb@schmorp.de> |
488 | * Copyright (©) 2011 Emanuele Giaquinta |
507 | * Copyright (©) 2011 Emanuele Giaquinta |
489 | * All rights reserved. |
508 | * All rights reserved. |
490 | * |
509 | * |
491 | * Redistribution and use in source and binary forms, with or without modifica- |
510 | * Redistribution and use in source and binary forms, with or without modifica- |
492 | * tion, are permitted provided that the following conditions are met: |
511 | * tion, are permitted provided that the following conditions are met: |
… | |
… | |
523 | |
542 | |
524 | #ifndef ECB_H |
543 | #ifndef ECB_H |
525 | #define ECB_H |
544 | #define ECB_H |
526 | |
545 | |
527 | /* 16 bits major, 16 bits minor */ |
546 | /* 16 bits major, 16 bits minor */ |
528 | #define ECB_VERSION 0x00010003 |
547 | #define ECB_VERSION 0x00010005 |
529 | |
548 | |
530 | #ifdef _WIN32 |
549 | #ifdef _WIN32 |
531 | typedef signed char int8_t; |
550 | typedef signed char int8_t; |
532 | typedef unsigned char uint8_t; |
551 | typedef unsigned char uint8_t; |
533 | typedef signed short int16_t; |
552 | typedef signed short int16_t; |
… | |
… | |
550 | typedef uint32_t uintptr_t; |
569 | typedef uint32_t uintptr_t; |
551 | typedef int32_t intptr_t; |
570 | typedef int32_t intptr_t; |
552 | #endif |
571 | #endif |
553 | #else |
572 | #else |
554 | #include <inttypes.h> |
573 | #include <inttypes.h> |
555 | #if UINTMAX_MAX > 0xffffffffU |
574 | #if (defined INTPTR_MAX ? INTPTR_MAX : ULONG_MAX) > 0xffffffffU |
556 | #define ECB_PTRSIZE 8 |
575 | #define ECB_PTRSIZE 8 |
557 | #else |
576 | #else |
558 | #define ECB_PTRSIZE 4 |
577 | #define ECB_PTRSIZE 4 |
559 | #endif |
578 | #endif |
560 | #endif |
579 | #endif |
561 | |
580 | |
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581 | #define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__) |
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582 | #define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64) |
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583 | |
562 | /* work around x32 idiocy by defining proper macros */ |
584 | /* work around x32 idiocy by defining proper macros */ |
563 | #if __amd64 || __x86_64 || _M_AMD64 || _M_X64 |
585 | #if ECB_GCC_AMD64 || ECB_MSVC_AMD64 |
564 | #if _ILP32 |
586 | #if _ILP32 |
565 | #define ECB_AMD64_X32 1 |
587 | #define ECB_AMD64_X32 1 |
566 | #else |
588 | #else |
567 | #define ECB_AMD64 1 |
589 | #define ECB_AMD64 1 |
568 | #endif |
590 | #endif |
… | |
… | |
573 | * causing enormous grief in return for some better fake benchmark numbers. |
595 | * causing enormous grief in return for some better fake benchmark numbers. |
574 | * or so. |
596 | * or so. |
575 | * we try to detect these and simply assume they are not gcc - if they have |
597 | * we try to detect these and simply assume they are not gcc - if they have |
576 | * an issue with that they should have done it right in the first place. |
598 | * an issue with that they should have done it right in the first place. |
577 | */ |
599 | */ |
578 | #ifndef ECB_GCC_VERSION |
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|
579 | #if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__ |
600 | #if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__ |
580 | #define ECB_GCC_VERSION(major,minor) 0 |
601 | #define ECB_GCC_VERSION(major,minor) 0 |
581 | #else |
602 | #else |
582 | #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) |
603 | #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) |
583 | #endif |
604 | #endif |
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605 | |
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606 | #define ECB_CLANG_VERSION(major,minor) (__clang_major__ > (major) || (__clang_major__ == (major) && __clang_minor__ >= (minor))) |
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607 | |
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608 | #if __clang__ && defined __has_builtin |
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609 | #define ECB_CLANG_BUILTIN(x) __has_builtin (x) |
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610 | #else |
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611 | #define ECB_CLANG_BUILTIN(x) 0 |
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612 | #endif |
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613 | |
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614 | #if __clang__ && defined __has_extension |
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615 | #define ECB_CLANG_EXTENSION(x) __has_extension (x) |
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616 | #else |
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617 | #define ECB_CLANG_EXTENSION(x) 0 |
584 | #endif |
618 | #endif |
585 | |
619 | |
586 | #define ECB_CPP (__cplusplus+0) |
620 | #define ECB_CPP (__cplusplus+0) |
587 | #define ECB_CPP11 (__cplusplus >= 201103L) |
621 | #define ECB_CPP11 (__cplusplus >= 201103L) |
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622 | #define ECB_CPP14 (__cplusplus >= 201402L) |
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623 | #define ECB_CPP17 (__cplusplus >= 201703L) |
588 | |
624 | |
589 | #if ECB_CPP |
625 | #if ECB_CPP |
590 | #define ECB_C 0 |
626 | #define ECB_C 0 |
591 | #define ECB_STDC_VERSION 0 |
627 | #define ECB_STDC_VERSION 0 |
592 | #else |
628 | #else |
… | |
… | |
594 | #define ECB_STDC_VERSION __STDC_VERSION__ |
630 | #define ECB_STDC_VERSION __STDC_VERSION__ |
595 | #endif |
631 | #endif |
596 | |
632 | |
597 | #define ECB_C99 (ECB_STDC_VERSION >= 199901L) |
633 | #define ECB_C99 (ECB_STDC_VERSION >= 199901L) |
598 | #define ECB_C11 (ECB_STDC_VERSION >= 201112L) |
634 | #define ECB_C11 (ECB_STDC_VERSION >= 201112L) |
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|
635 | #define ECB_C17 (ECB_STDC_VERSION >= 201710L) |
599 | |
636 | |
600 | #if ECB_CPP |
637 | #if ECB_CPP |
601 | #define ECB_EXTERN_C extern "C" |
638 | #define ECB_EXTERN_C extern "C" |
602 | #define ECB_EXTERN_C_BEG ECB_EXTERN_C { |
639 | #define ECB_EXTERN_C_BEG ECB_EXTERN_C { |
603 | #define ECB_EXTERN_C_END } |
640 | #define ECB_EXTERN_C_END } |
… | |
… | |
616 | #define ECB_NO_SMP 1 |
653 | #define ECB_NO_SMP 1 |
617 | #endif |
654 | #endif |
618 | |
655 | |
619 | #if ECB_NO_SMP |
656 | #if ECB_NO_SMP |
620 | #define ECB_MEMORY_FENCE do { } while (0) |
657 | #define ECB_MEMORY_FENCE do { } while (0) |
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658 | #endif |
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659 | |
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660 | /* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/compiler_ref/compiler_builtins.html */ |
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661 | #if __xlC__ && ECB_CPP |
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662 | #include <builtins.h> |
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663 | #endif |
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664 | |
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665 | #if 1400 <= _MSC_VER |
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666 | #include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */ |
621 | #endif |
667 | #endif |
622 | |
668 | |
623 | #ifndef ECB_MEMORY_FENCE |
669 | #ifndef ECB_MEMORY_FENCE |
624 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
670 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
625 | #if __i386 || __i386__ |
671 | #if __i386 || __i386__ |
626 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
672 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
627 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
673 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
628 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
674 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory") |
629 | #elif __amd64 || __amd64__ || __x86_64 || __x86_64__ |
675 | #elif ECB_GCC_AMD64 |
630 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
676 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
631 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
677 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
632 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
678 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory") |
633 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
679 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
634 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
680 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
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681 | #elif defined __ARM_ARCH_2__ \ |
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682 | || defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \ |
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683 | || defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \ |
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684 | || defined __ARM_ARCH_5__ || defined __ARM_ARCH_5E__ \ |
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685 | || defined __ARM_ARCH_5T__ || defined __ARM_ARCH_5TE__ \ |
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686 | || defined __ARM_ARCH_5TEJ__ |
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687 | /* should not need any, unless running old code on newer cpu - arm doesn't support that */ |
635 | #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \ |
688 | #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \ |
636 | || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ |
689 | || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ \ |
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|
690 | || defined __ARM_ARCH_6T2__ |
637 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory") |
691 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory") |
638 | #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \ |
692 | #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \ |
639 | || defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__ |
693 | || defined __ARM_ARCH_7R__ || defined __ARM_ARCH_7M__ |
640 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") |
694 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") |
641 | #elif __aarch64__ |
695 | #elif __aarch64__ |
642 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory") |
696 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory") |
643 | #elif (__sparc || __sparc__) && !__sparcv8 |
697 | #elif (__sparc || __sparc__) && !(__sparc_v8__ || defined __sparcv8) |
644 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory") |
698 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory") |
645 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") |
699 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") |
646 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") |
700 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") |
647 | #elif defined __s390__ || defined __s390x__ |
701 | #elif defined __s390__ || defined __s390x__ |
648 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") |
702 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") |
… | |
… | |
672 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
726 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
673 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
727 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
674 | #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE) |
728 | #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE) |
675 | #define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE) |
729 | #define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE) |
676 | |
730 | |
677 | /* The __has_feature syntax from clang is so misdesigned that we cannot use it |
731 | #elif ECB_CLANG_EXTENSION(c_atomic) |
678 | * without risking compile time errors with other compilers. We *could* |
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679 | * define our own ecb_clang_has_feature, but I just can't be bothered to work |
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680 | * around this shit time and again. |
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681 | * #elif defined __clang && __has_feature (cxx_atomic) |
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682 | * // see comment below (stdatomic.h) about the C11 memory model. |
732 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
683 | * #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
733 | #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
684 | * #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE) |
734 | #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE) |
685 | * #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE) |
735 | #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE) |
686 | */ |
|
|
687 | |
736 | |
688 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
737 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
689 | #define ECB_MEMORY_FENCE __sync_synchronize () |
738 | #define ECB_MEMORY_FENCE __sync_synchronize () |
690 | #elif _MSC_VER >= 1500 /* VC++ 2008 */ |
739 | #elif _MSC_VER >= 1500 /* VC++ 2008 */ |
691 | /* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */ |
740 | /* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */ |
… | |
… | |
754 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
803 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
755 | #endif |
804 | #endif |
756 | |
805 | |
757 | /*****************************************************************************/ |
806 | /*****************************************************************************/ |
758 | |
807 | |
759 | #if __cplusplus |
808 | #if ECB_CPP |
760 | #define ecb_inline static inline |
809 | #define ecb_inline static inline |
761 | #elif ECB_GCC_VERSION(2,5) |
810 | #elif ECB_GCC_VERSION(2,5) |
762 | #define ecb_inline static __inline__ |
811 | #define ecb_inline static __inline__ |
763 | #elif ECB_C99 |
812 | #elif ECB_C99 |
764 | #define ecb_inline static inline |
813 | #define ecb_inline static inline |
… | |
… | |
778 | |
827 | |
779 | #define ECB_CONCAT_(a, b) a ## b |
828 | #define ECB_CONCAT_(a, b) a ## b |
780 | #define ECB_CONCAT(a, b) ECB_CONCAT_(a, b) |
829 | #define ECB_CONCAT(a, b) ECB_CONCAT_(a, b) |
781 | #define ECB_STRINGIFY_(a) # a |
830 | #define ECB_STRINGIFY_(a) # a |
782 | #define ECB_STRINGIFY(a) ECB_STRINGIFY_(a) |
831 | #define ECB_STRINGIFY(a) ECB_STRINGIFY_(a) |
|
|
832 | #define ECB_STRINGIFY_EXPR(expr) ((expr), ECB_STRINGIFY_ (expr)) |
783 | |
833 | |
784 | #define ecb_function_ ecb_inline |
834 | #define ecb_function_ ecb_inline |
785 | |
835 | |
786 | #if ECB_GCC_VERSION(3,1) |
836 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_VERSION(2,8) |
787 | #define ecb_attribute(attrlist) __attribute__(attrlist) |
837 | #define ecb_attribute(attrlist) __attribute__ (attrlist) |
|
|
838 | #else |
|
|
839 | #define ecb_attribute(attrlist) |
|
|
840 | #endif |
|
|
841 | |
|
|
842 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_constant_p) |
788 | #define ecb_is_constant(expr) __builtin_constant_p (expr) |
843 | #define ecb_is_constant(expr) __builtin_constant_p (expr) |
789 | #define ecb_expect(expr,value) __builtin_expect ((expr),(value)) |
|
|
790 | #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality) |
|
|
791 | #else |
844 | #else |
792 | #define ecb_attribute(attrlist) |
|
|
793 | |
|
|
794 | /* possible C11 impl for integral types |
845 | /* possible C11 impl for integral types |
795 | typedef struct ecb_is_constant_struct ecb_is_constant_struct; |
846 | typedef struct ecb_is_constant_struct ecb_is_constant_struct; |
796 | #define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */ |
847 | #define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */ |
797 | |
848 | |
798 | #define ecb_is_constant(expr) 0 |
849 | #define ecb_is_constant(expr) 0 |
|
|
850 | #endif |
|
|
851 | |
|
|
852 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_expect) |
|
|
853 | #define ecb_expect(expr,value) __builtin_expect ((expr),(value)) |
|
|
854 | #else |
799 | #define ecb_expect(expr,value) (expr) |
855 | #define ecb_expect(expr,value) (expr) |
|
|
856 | #endif |
|
|
857 | |
|
|
858 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_prefetch) |
|
|
859 | #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality) |
|
|
860 | #else |
800 | #define ecb_prefetch(addr,rw,locality) |
861 | #define ecb_prefetch(addr,rw,locality) |
801 | #endif |
862 | #endif |
802 | |
863 | |
803 | /* no emulation for ecb_decltype */ |
864 | /* no emulation for ecb_decltype */ |
804 | #if ECB_GCC_VERSION(4,5) |
865 | #if ECB_CPP11 |
|
|
866 | // older implementations might have problems with decltype(x)::type, work around it |
|
|
867 | template<class T> struct ecb_decltype_t { typedef T type; }; |
805 | #define ecb_decltype(x) __decltype(x) |
868 | #define ecb_decltype(x) ecb_decltype_t<decltype (x)>::type |
806 | #elif ECB_GCC_VERSION(3,0) |
869 | #elif ECB_GCC_VERSION(3,0) || ECB_CLANG_VERSION(2,8) |
807 | #define ecb_decltype(x) __typeof(x) |
870 | #define ecb_decltype(x) __typeof__ (x) |
808 | #endif |
871 | #endif |
809 | |
872 | |
810 | #if _MSC_VER >= 1300 |
873 | #if _MSC_VER >= 1300 |
811 | #define ecb_deprecated __declspec(deprecated) |
874 | #define ecb_deprecated __declspec (deprecated) |
812 | #else |
875 | #else |
813 | #define ecb_deprecated ecb_attribute ((__deprecated__)) |
876 | #define ecb_deprecated ecb_attribute ((__deprecated__)) |
814 | #endif |
877 | #endif |
815 | |
878 | |
|
|
879 | #if _MSC_VER >= 1500 |
|
|
880 | #define ecb_deprecated_message(msg) __declspec (deprecated (msg)) |
|
|
881 | #elif ECB_GCC_VERSION(4,5) |
|
|
882 | #define ecb_deprecated_message(msg) ecb_attribute ((__deprecated__ (msg)) |
|
|
883 | #else |
|
|
884 | #define ecb_deprecated_message(msg) ecb_deprecated |
|
|
885 | #endif |
|
|
886 | |
|
|
887 | #if _MSC_VER >= 1400 |
|
|
888 | #define ecb_noinline __declspec (noinline) |
|
|
889 | #else |
816 | #define ecb_noinline ecb_attribute ((__noinline__)) |
890 | #define ecb_noinline ecb_attribute ((__noinline__)) |
|
|
891 | #endif |
|
|
892 | |
817 | #define ecb_unused ecb_attribute ((__unused__)) |
893 | #define ecb_unused ecb_attribute ((__unused__)) |
818 | #define ecb_const ecb_attribute ((__const__)) |
894 | #define ecb_const ecb_attribute ((__const__)) |
819 | #define ecb_pure ecb_attribute ((__pure__)) |
895 | #define ecb_pure ecb_attribute ((__pure__)) |
820 | |
896 | |
821 | /* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx __declspec(noreturn) */ |
897 | #if ECB_C11 || __IBMC_NORETURN |
822 | #if ECB_C11 |
898 | /* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/language_ref/noreturn.html */ |
823 | #define ecb_noreturn _Noreturn |
899 | #define ecb_noreturn _Noreturn |
|
|
900 | #elif ECB_CPP11 |
|
|
901 | #define ecb_noreturn [[noreturn]] |
|
|
902 | #elif _MSC_VER >= 1200 |
|
|
903 | /* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx */ |
|
|
904 | #define ecb_noreturn __declspec (noreturn) |
824 | #else |
905 | #else |
825 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
906 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
826 | #endif |
907 | #endif |
827 | |
908 | |
828 | #if ECB_GCC_VERSION(4,3) |
909 | #if ECB_GCC_VERSION(4,3) |
… | |
… | |
843 | /* for compatibility to the rest of the world */ |
924 | /* for compatibility to the rest of the world */ |
844 | #define ecb_likely(expr) ecb_expect_true (expr) |
925 | #define ecb_likely(expr) ecb_expect_true (expr) |
845 | #define ecb_unlikely(expr) ecb_expect_false (expr) |
926 | #define ecb_unlikely(expr) ecb_expect_false (expr) |
846 | |
927 | |
847 | /* count trailing zero bits and count # of one bits */ |
928 | /* count trailing zero bits and count # of one bits */ |
848 | #if ECB_GCC_VERSION(3,4) |
929 | #if ECB_GCC_VERSION(3,4) \ |
|
|
930 | || (ECB_CLANG_BUILTIN(__builtin_clz) && ECB_CLANG_BUILTIN(__builtin_clzll) \ |
|
|
931 | && ECB_CLANG_BUILTIN(__builtin_ctz) && ECB_CLANG_BUILTIN(__builtin_ctzll) \ |
|
|
932 | && ECB_CLANG_BUILTIN(__builtin_popcount)) |
849 | /* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */ |
933 | /* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */ |
850 | #define ecb_ld32(x) (__builtin_clz (x) ^ 31) |
934 | #define ecb_ld32(x) (__builtin_clz (x) ^ 31) |
851 | #define ecb_ld64(x) (__builtin_clzll (x) ^ 63) |
935 | #define ecb_ld64(x) (__builtin_clzll (x) ^ 63) |
852 | #define ecb_ctz32(x) __builtin_ctz (x) |
936 | #define ecb_ctz32(x) __builtin_ctz (x) |
853 | #define ecb_ctz64(x) __builtin_ctzll (x) |
937 | #define ecb_ctz64(x) __builtin_ctzll (x) |
854 | #define ecb_popcount32(x) __builtin_popcount (x) |
938 | #define ecb_popcount32(x) __builtin_popcount (x) |
855 | /* no popcountll */ |
939 | /* no popcountll */ |
856 | #else |
940 | #else |
857 | ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const; |
941 | ecb_function_ ecb_const int ecb_ctz32 (uint32_t x); |
858 | ecb_function_ int |
942 | ecb_function_ ecb_const int |
859 | ecb_ctz32 (uint32_t x) |
943 | ecb_ctz32 (uint32_t x) |
860 | { |
944 | { |
|
|
945 | #if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM) |
|
|
946 | unsigned long r; |
|
|
947 | _BitScanForward (&r, x); |
|
|
948 | return (int)r; |
|
|
949 | #else |
861 | int r = 0; |
950 | int r = 0; |
862 | |
951 | |
863 | x &= ~x + 1; /* this isolates the lowest bit */ |
952 | x &= ~x + 1; /* this isolates the lowest bit */ |
864 | |
953 | |
865 | #if ECB_branchless_on_i386 |
954 | #if ECB_branchless_on_i386 |
… | |
… | |
875 | if (x & 0xff00ff00) r += 8; |
964 | if (x & 0xff00ff00) r += 8; |
876 | if (x & 0xffff0000) r += 16; |
965 | if (x & 0xffff0000) r += 16; |
877 | #endif |
966 | #endif |
878 | |
967 | |
879 | return r; |
968 | return r; |
|
|
969 | #endif |
880 | } |
970 | } |
881 | |
971 | |
882 | ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const; |
972 | ecb_function_ ecb_const int ecb_ctz64 (uint64_t x); |
883 | ecb_function_ int |
973 | ecb_function_ ecb_const int |
884 | ecb_ctz64 (uint64_t x) |
974 | ecb_ctz64 (uint64_t x) |
885 | { |
975 | { |
|
|
976 | #if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM) |
|
|
977 | unsigned long r; |
|
|
978 | _BitScanForward64 (&r, x); |
|
|
979 | return (int)r; |
|
|
980 | #else |
886 | int shift = x & 0xffffffffU ? 0 : 32; |
981 | int shift = x & 0xffffffff ? 0 : 32; |
887 | return ecb_ctz32 (x >> shift) + shift; |
982 | return ecb_ctz32 (x >> shift) + shift; |
|
|
983 | #endif |
888 | } |
984 | } |
889 | |
985 | |
890 | ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const; |
986 | ecb_function_ ecb_const int ecb_popcount32 (uint32_t x); |
891 | ecb_function_ int |
987 | ecb_function_ ecb_const int |
892 | ecb_popcount32 (uint32_t x) |
988 | ecb_popcount32 (uint32_t x) |
893 | { |
989 | { |
894 | x -= (x >> 1) & 0x55555555; |
990 | x -= (x >> 1) & 0x55555555; |
895 | x = ((x >> 2) & 0x33333333) + (x & 0x33333333); |
991 | x = ((x >> 2) & 0x33333333) + (x & 0x33333333); |
896 | x = ((x >> 4) + x) & 0x0f0f0f0f; |
992 | x = ((x >> 4) + x) & 0x0f0f0f0f; |
897 | x *= 0x01010101; |
993 | x *= 0x01010101; |
898 | |
994 | |
899 | return x >> 24; |
995 | return x >> 24; |
900 | } |
996 | } |
901 | |
997 | |
902 | ecb_function_ int ecb_ld32 (uint32_t x) ecb_const; |
998 | ecb_function_ ecb_const int ecb_ld32 (uint32_t x); |
903 | ecb_function_ int ecb_ld32 (uint32_t x) |
999 | ecb_function_ ecb_const int ecb_ld32 (uint32_t x) |
904 | { |
1000 | { |
|
|
1001 | #if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM) |
|
|
1002 | unsigned long r; |
|
|
1003 | _BitScanReverse (&r, x); |
|
|
1004 | return (int)r; |
|
|
1005 | #else |
905 | int r = 0; |
1006 | int r = 0; |
906 | |
1007 | |
907 | if (x >> 16) { x >>= 16; r += 16; } |
1008 | if (x >> 16) { x >>= 16; r += 16; } |
908 | if (x >> 8) { x >>= 8; r += 8; } |
1009 | if (x >> 8) { x >>= 8; r += 8; } |
909 | if (x >> 4) { x >>= 4; r += 4; } |
1010 | if (x >> 4) { x >>= 4; r += 4; } |
910 | if (x >> 2) { x >>= 2; r += 2; } |
1011 | if (x >> 2) { x >>= 2; r += 2; } |
911 | if (x >> 1) { r += 1; } |
1012 | if (x >> 1) { r += 1; } |
912 | |
1013 | |
913 | return r; |
1014 | return r; |
|
|
1015 | #endif |
914 | } |
1016 | } |
915 | |
1017 | |
916 | ecb_function_ int ecb_ld64 (uint64_t x) ecb_const; |
1018 | ecb_function_ ecb_const int ecb_ld64 (uint64_t x); |
917 | ecb_function_ int ecb_ld64 (uint64_t x) |
1019 | ecb_function_ ecb_const int ecb_ld64 (uint64_t x) |
918 | { |
1020 | { |
|
|
1021 | #if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM) |
|
|
1022 | unsigned long r; |
|
|
1023 | _BitScanReverse64 (&r, x); |
|
|
1024 | return (int)r; |
|
|
1025 | #else |
919 | int r = 0; |
1026 | int r = 0; |
920 | |
1027 | |
921 | if (x >> 32) { x >>= 32; r += 32; } |
1028 | if (x >> 32) { x >>= 32; r += 32; } |
922 | |
1029 | |
923 | return r + ecb_ld32 (x); |
1030 | return r + ecb_ld32 (x); |
|
|
1031 | #endif |
924 | } |
1032 | } |
925 | #endif |
1033 | #endif |
926 | |
1034 | |
927 | ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const; |
1035 | ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x); |
928 | ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); } |
1036 | ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); } |
929 | ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const; |
1037 | ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x); |
930 | ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); } |
1038 | ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); } |
931 | |
1039 | |
932 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const; |
1040 | ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x); |
933 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) |
1041 | ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x) |
934 | { |
1042 | { |
935 | return ( (x * 0x0802U & 0x22110U) |
1043 | return ( (x * 0x0802U & 0x22110U) |
936 | | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16; |
1044 | | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16; |
937 | } |
1045 | } |
938 | |
1046 | |
939 | ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const; |
1047 | ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x); |
940 | ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) |
1048 | ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x) |
941 | { |
1049 | { |
942 | x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1); |
1050 | x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1); |
943 | x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2); |
1051 | x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2); |
944 | x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4); |
1052 | x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4); |
945 | x = ( x >> 8 ) | ( x << 8); |
1053 | x = ( x >> 8 ) | ( x << 8); |
946 | |
1054 | |
947 | return x; |
1055 | return x; |
948 | } |
1056 | } |
949 | |
1057 | |
950 | ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const; |
1058 | ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x); |
951 | ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) |
1059 | ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x) |
952 | { |
1060 | { |
953 | x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1); |
1061 | x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1); |
954 | x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2); |
1062 | x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2); |
955 | x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4); |
1063 | x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4); |
956 | x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8); |
1064 | x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8); |
… | |
… | |
959 | return x; |
1067 | return x; |
960 | } |
1068 | } |
961 | |
1069 | |
962 | /* popcount64 is only available on 64 bit cpus as gcc builtin */ |
1070 | /* popcount64 is only available on 64 bit cpus as gcc builtin */ |
963 | /* so for this version we are lazy */ |
1071 | /* so for this version we are lazy */ |
964 | ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const; |
1072 | ecb_function_ ecb_const int ecb_popcount64 (uint64_t x); |
965 | ecb_function_ int |
1073 | ecb_function_ ecb_const int |
966 | ecb_popcount64 (uint64_t x) |
1074 | ecb_popcount64 (uint64_t x) |
967 | { |
1075 | { |
968 | return ecb_popcount32 (x) + ecb_popcount32 (x >> 32); |
1076 | return ecb_popcount32 (x) + ecb_popcount32 (x >> 32); |
969 | } |
1077 | } |
970 | |
1078 | |
971 | ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const; |
1079 | ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count); |
972 | ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const; |
1080 | ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count); |
973 | ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const; |
1081 | ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count); |
974 | ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const; |
1082 | ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count); |
975 | ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const; |
1083 | ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count); |
976 | ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const; |
1084 | ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count); |
977 | ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const; |
1085 | ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count); |
978 | ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const; |
1086 | ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count); |
979 | |
1087 | |
980 | ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); } |
1088 | ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); } |
981 | ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); } |
1089 | ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); } |
982 | ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); } |
1090 | ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); } |
983 | ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); } |
1091 | ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); } |
984 | ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); } |
1092 | ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); } |
985 | ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } |
1093 | ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } |
986 | ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } |
1094 | ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } |
987 | ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } |
1095 | ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } |
988 | |
1096 | |
989 | #if ECB_GCC_VERSION(4,3) |
1097 | #if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64)) |
|
|
1098 | #if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16) |
|
|
1099 | #define ecb_bswap16(x) __builtin_bswap16 (x) |
|
|
1100 | #else |
990 | #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) |
1101 | #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) |
|
|
1102 | #endif |
991 | #define ecb_bswap32(x) __builtin_bswap32 (x) |
1103 | #define ecb_bswap32(x) __builtin_bswap32 (x) |
992 | #define ecb_bswap64(x) __builtin_bswap64 (x) |
1104 | #define ecb_bswap64(x) __builtin_bswap64 (x) |
|
|
1105 | #elif _MSC_VER |
|
|
1106 | #include <stdlib.h> |
|
|
1107 | #define ecb_bswap16(x) ((uint16_t)_byteswap_ushort ((uint16_t)(x))) |
|
|
1108 | #define ecb_bswap32(x) ((uint32_t)_byteswap_ulong ((uint32_t)(x))) |
|
|
1109 | #define ecb_bswap64(x) ((uint64_t)_byteswap_uint64 ((uint64_t)(x))) |
993 | #else |
1110 | #else |
994 | ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const; |
1111 | ecb_function_ ecb_const uint16_t ecb_bswap16 (uint16_t x); |
995 | ecb_function_ uint16_t |
1112 | ecb_function_ ecb_const uint16_t |
996 | ecb_bswap16 (uint16_t x) |
1113 | ecb_bswap16 (uint16_t x) |
997 | { |
1114 | { |
998 | return ecb_rotl16 (x, 8); |
1115 | return ecb_rotl16 (x, 8); |
999 | } |
1116 | } |
1000 | |
1117 | |
1001 | ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const; |
1118 | ecb_function_ ecb_const uint32_t ecb_bswap32 (uint32_t x); |
1002 | ecb_function_ uint32_t |
1119 | ecb_function_ ecb_const uint32_t |
1003 | ecb_bswap32 (uint32_t x) |
1120 | ecb_bswap32 (uint32_t x) |
1004 | { |
1121 | { |
1005 | return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16); |
1122 | return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16); |
1006 | } |
1123 | } |
1007 | |
1124 | |
1008 | ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const; |
1125 | ecb_function_ ecb_const uint64_t ecb_bswap64 (uint64_t x); |
1009 | ecb_function_ uint64_t |
1126 | ecb_function_ ecb_const uint64_t |
1010 | ecb_bswap64 (uint64_t x) |
1127 | ecb_bswap64 (uint64_t x) |
1011 | { |
1128 | { |
1012 | return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32); |
1129 | return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32); |
1013 | } |
1130 | } |
1014 | #endif |
1131 | #endif |
1015 | |
1132 | |
1016 | #if ECB_GCC_VERSION(4,5) |
1133 | #if ECB_GCC_VERSION(4,5) || ECB_CLANG_BUILTIN(__builtin_unreachable) |
1017 | #define ecb_unreachable() __builtin_unreachable () |
1134 | #define ecb_unreachable() __builtin_unreachable () |
1018 | #else |
1135 | #else |
1019 | /* this seems to work fine, but gcc always emits a warning for it :/ */ |
1136 | /* this seems to work fine, but gcc always emits a warning for it :/ */ |
1020 | ecb_inline void ecb_unreachable (void) ecb_noreturn; |
1137 | ecb_inline ecb_noreturn void ecb_unreachable (void); |
1021 | ecb_inline void ecb_unreachable (void) { } |
1138 | ecb_inline ecb_noreturn void ecb_unreachable (void) { } |
1022 | #endif |
1139 | #endif |
1023 | |
1140 | |
1024 | /* try to tell the compiler that some condition is definitely true */ |
1141 | /* try to tell the compiler that some condition is definitely true */ |
1025 | #define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0 |
1142 | #define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0 |
1026 | |
1143 | |
1027 | ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const; |
1144 | ecb_inline ecb_const uint32_t ecb_byteorder_helper (void); |
1028 | ecb_inline unsigned char |
1145 | ecb_inline ecb_const uint32_t |
1029 | ecb_byteorder_helper (void) |
1146 | ecb_byteorder_helper (void) |
1030 | { |
1147 | { |
1031 | /* the union code still generates code under pressure in gcc, */ |
1148 | /* the union code still generates code under pressure in gcc, */ |
1032 | /* but less than using pointers, and always seems to */ |
1149 | /* but less than using pointers, and always seems to */ |
1033 | /* successfully return a constant. */ |
1150 | /* successfully return a constant. */ |
1034 | /* the reason why we have this horrible preprocessor mess */ |
1151 | /* the reason why we have this horrible preprocessor mess */ |
1035 | /* is to avoid it in all cases, at least on common architectures */ |
1152 | /* is to avoid it in all cases, at least on common architectures */ |
1036 | /* or when using a recent enough gcc version (>= 4.6) */ |
1153 | /* or when using a recent enough gcc version (>= 4.6) */ |
1037 | #if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64 |
|
|
1038 | return 0x44; |
|
|
1039 | #elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ |
1154 | #if (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) \ |
|
|
1155 | || ((__i386 || __i386__ || _M_IX86 || ECB_GCC_AMD64 || ECB_MSVC_AMD64) && !__VOS__) |
|
|
1156 | #define ECB_LITTLE_ENDIAN 1 |
1040 | return 0x44; |
1157 | return 0x44332211; |
1041 | #elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ |
1158 | #elif (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) \ |
|
|
1159 | || ((__AARCH64EB__ || __MIPSEB__ || __ARMEB__) && !__VOS__) |
|
|
1160 | #define ECB_BIG_ENDIAN 1 |
1042 | return 0x11; |
1161 | return 0x11223344; |
1043 | #else |
1162 | #else |
1044 | union |
1163 | union |
1045 | { |
1164 | { |
|
|
1165 | uint8_t c[4]; |
1046 | uint32_t i; |
1166 | uint32_t u; |
1047 | uint8_t c; |
|
|
1048 | } u = { 0x11223344 }; |
1167 | } u = { 0x11, 0x22, 0x33, 0x44 }; |
1049 | return u.c; |
1168 | return u.u; |
1050 | #endif |
1169 | #endif |
1051 | } |
1170 | } |
1052 | |
1171 | |
1053 | ecb_inline ecb_bool ecb_big_endian (void) ecb_const; |
1172 | ecb_inline ecb_const ecb_bool ecb_big_endian (void); |
1054 | ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; } |
1173 | ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11223344; } |
1055 | ecb_inline ecb_bool ecb_little_endian (void) ecb_const; |
1174 | ecb_inline ecb_const ecb_bool ecb_little_endian (void); |
1056 | ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; } |
1175 | ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; } |
1057 | |
1176 | |
1058 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
1177 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
1059 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
1178 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
1060 | #else |
1179 | #else |
1061 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
1180 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
1062 | #endif |
1181 | #endif |
1063 | |
1182 | |
1064 | #if __cplusplus |
1183 | #if ECB_CPP |
1065 | template<typename T> |
1184 | template<typename T> |
1066 | static inline T ecb_div_rd (T val, T div) |
1185 | static inline T ecb_div_rd (T val, T div) |
1067 | { |
1186 | { |
1068 | return val < 0 ? - ((-val + div - 1) / div) : (val ) / div; |
1187 | return val < 0 ? - ((-val + div - 1) / div) : (val ) / div; |
1069 | } |
1188 | } |
… | |
… | |
1086 | } |
1205 | } |
1087 | #else |
1206 | #else |
1088 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
1207 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
1089 | #endif |
1208 | #endif |
1090 | |
1209 | |
|
|
1210 | ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x); |
|
|
1211 | ecb_function_ ecb_const uint32_t |
|
|
1212 | ecb_binary16_to_binary32 (uint32_t x) |
|
|
1213 | { |
|
|
1214 | unsigned int s = (x & 0x8000) << (31 - 15); |
|
|
1215 | int e = (x >> 10) & 0x001f; |
|
|
1216 | unsigned int m = x & 0x03ff; |
|
|
1217 | |
|
|
1218 | if (ecb_expect_false (e == 31)) |
|
|
1219 | /* infinity or NaN */ |
|
|
1220 | e = 255 - (127 - 15); |
|
|
1221 | else if (ecb_expect_false (!e)) |
|
|
1222 | { |
|
|
1223 | if (ecb_expect_true (!m)) |
|
|
1224 | /* zero, handled by code below by forcing e to 0 */ |
|
|
1225 | e = 0 - (127 - 15); |
|
|
1226 | else |
|
|
1227 | { |
|
|
1228 | /* subnormal, renormalise */ |
|
|
1229 | unsigned int s = 10 - ecb_ld32 (m); |
|
|
1230 | |
|
|
1231 | m = (m << s) & 0x3ff; /* mask implicit bit */ |
|
|
1232 | e -= s - 1; |
|
|
1233 | } |
|
|
1234 | } |
|
|
1235 | |
|
|
1236 | /* e and m now are normalised, or zero, (or inf or nan) */ |
|
|
1237 | e += 127 - 15; |
|
|
1238 | |
|
|
1239 | return s | (e << 23) | (m << (23 - 10)); |
|
|
1240 | } |
|
|
1241 | |
|
|
1242 | ecb_function_ ecb_const uint16_t ecb_binary32_to_binary16 (uint32_t x); |
|
|
1243 | ecb_function_ ecb_const uint16_t |
|
|
1244 | ecb_binary32_to_binary16 (uint32_t x) |
|
|
1245 | { |
|
|
1246 | unsigned int s = (x >> 16) & 0x00008000; /* sign bit, the easy part */ |
|
|
1247 | unsigned int e = ((x >> 23) & 0x000000ff) - (127 - 15); /* the desired exponent */ |
|
|
1248 | unsigned int m = x & 0x007fffff; |
|
|
1249 | |
|
|
1250 | x &= 0x7fffffff; |
|
|
1251 | |
|
|
1252 | /* if it's within range of binary16 normals, use fast path */ |
|
|
1253 | if (ecb_expect_true (0x38800000 <= x && x <= 0x477fefff)) |
|
|
1254 | { |
|
|
1255 | /* mantissa round-to-even */ |
|
|
1256 | m += 0x00000fff + ((m >> (23 - 10)) & 1); |
|
|
1257 | |
|
|
1258 | /* handle overflow */ |
|
|
1259 | if (ecb_expect_false (m >= 0x00800000)) |
|
|
1260 | { |
|
|
1261 | m >>= 1; |
|
|
1262 | e += 1; |
|
|
1263 | } |
|
|
1264 | |
|
|
1265 | return s | (e << 10) | (m >> (23 - 10)); |
|
|
1266 | } |
|
|
1267 | |
|
|
1268 | /* handle large numbers and infinity */ |
|
|
1269 | if (ecb_expect_true (0x477fefff < x && x <= 0x7f800000)) |
|
|
1270 | return s | 0x7c00; |
|
|
1271 | |
|
|
1272 | /* handle zero, subnormals and small numbers */ |
|
|
1273 | if (ecb_expect_true (x < 0x38800000)) |
|
|
1274 | { |
|
|
1275 | /* zero */ |
|
|
1276 | if (ecb_expect_true (!x)) |
|
|
1277 | return s; |
|
|
1278 | |
|
|
1279 | /* handle subnormals */ |
|
|
1280 | |
|
|
1281 | /* too small, will be zero */ |
|
|
1282 | if (e < (14 - 24)) /* might not be sharp, but is good enough */ |
|
|
1283 | return s; |
|
|
1284 | |
|
|
1285 | m |= 0x00800000; /* make implicit bit explicit */ |
|
|
1286 | |
|
|
1287 | /* very tricky - we need to round to the nearest e (+10) bit value */ |
|
|
1288 | { |
|
|
1289 | unsigned int bits = 14 - e; |
|
|
1290 | unsigned int half = (1 << (bits - 1)) - 1; |
|
|
1291 | unsigned int even = (m >> bits) & 1; |
|
|
1292 | |
|
|
1293 | /* if this overflows, we will end up with a normalised number */ |
|
|
1294 | m = (m + half + even) >> bits; |
|
|
1295 | } |
|
|
1296 | |
|
|
1297 | return s | m; |
|
|
1298 | } |
|
|
1299 | |
|
|
1300 | /* handle NaNs, preserve leftmost nan bits, but make sure we don't turn them into infinities */ |
|
|
1301 | m >>= 13; |
|
|
1302 | |
|
|
1303 | return s | 0x7c00 | m | !m; |
|
|
1304 | } |
|
|
1305 | |
1091 | /*******************************************************************************/ |
1306 | /*******************************************************************************/ |
1092 | /* floating point stuff, can be disabled by defining ECB_NO_LIBM */ |
1307 | /* floating point stuff, can be disabled by defining ECB_NO_LIBM */ |
1093 | |
1308 | |
1094 | /* basically, everything uses "ieee pure-endian" floating point numbers */ |
1309 | /* basically, everything uses "ieee pure-endian" floating point numbers */ |
1095 | /* the only noteworthy exception is ancient armle, which uses order 43218765 */ |
1310 | /* the only noteworthy exception is ancient armle, which uses order 43218765 */ |
1096 | #if 0 \ |
1311 | #if 0 \ |
1097 | || __i386 || __i386__ \ |
1312 | || __i386 || __i386__ \ |
1098 | || __amd64 || __amd64__ || __x86_64 || __x86_64__ \ |
1313 | || ECB_GCC_AMD64 \ |
1099 | || __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \ |
1314 | || __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \ |
1100 | || defined __s390__ || defined __s390x__ \ |
1315 | || defined __s390__ || defined __s390x__ \ |
1101 | || defined __mips__ \ |
1316 | || defined __mips__ \ |
1102 | || defined __alpha__ \ |
1317 | || defined __alpha__ \ |
1103 | || defined __hppa__ \ |
1318 | || defined __hppa__ \ |
1104 | || defined __ia64__ \ |
1319 | || defined __ia64__ \ |
1105 | || defined __m68k__ \ |
1320 | || defined __m68k__ \ |
1106 | || defined __m88k__ \ |
1321 | || defined __m88k__ \ |
1107 | || defined __sh__ \ |
1322 | || defined __sh__ \ |
1108 | || defined _M_IX86 || defined _M_AMD64 || defined _M_IA64 \ |
1323 | || defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \ |
1109 | || (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \ |
1324 | || (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \ |
1110 | || defined __aarch64__ |
1325 | || defined __aarch64__ |
1111 | #define ECB_STDFP 1 |
1326 | #define ECB_STDFP 1 |
1112 | #include <string.h> /* for memcpy */ |
1327 | #include <string.h> /* for memcpy */ |
1113 | #else |
1328 | #else |
… | |
… | |
1129 | #define ECB_NAN NAN |
1344 | #define ECB_NAN NAN |
1130 | #else |
1345 | #else |
1131 | #define ECB_NAN ECB_INFINITY |
1346 | #define ECB_NAN ECB_INFINITY |
1132 | #endif |
1347 | #endif |
1133 | |
1348 | |
1134 | /* converts an ieee half/binary16 to a float */ |
1349 | #if ECB_C99 || _XOPEN_VERSION >= 600 || _POSIX_VERSION >= 200112L |
1135 | ecb_function_ float ecb_binary16_to_float (uint16_t x) ecb_const; |
1350 | #define ecb_ldexpf(x,e) ldexpf ((x), (e)) |
1136 | ecb_function_ float |
1351 | #define ecb_frexpf(x,e) frexpf ((x), (e)) |
1137 | ecb_binary16_to_float (uint16_t x) |
1352 | #else |
1138 | { |
1353 | #define ecb_ldexpf(x,e) (float) ldexp ((double) (x), (e)) |
1139 | int e = (x >> 10) & 0x1f; |
1354 | #define ecb_frexpf(x,e) (float) frexp ((double) (x), (e)) |
1140 | int m = x & 0x3ff; |
1355 | #endif |
1141 | float r; |
|
|
1142 | |
|
|
1143 | if (!e ) r = ldexpf (m , -24); |
|
|
1144 | else if (e != 31) r = ldexpf (m + 0x400, e - 25); |
|
|
1145 | else if (m ) r = ECB_NAN; |
|
|
1146 | else r = ECB_INFINITY; |
|
|
1147 | |
|
|
1148 | return x & 0x8000 ? -r : r; |
|
|
1149 | } |
|
|
1150 | |
1356 | |
1151 | /* convert a float to ieee single/binary32 */ |
1357 | /* convert a float to ieee single/binary32 */ |
1152 | ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const; |
1358 | ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x); |
1153 | ecb_function_ uint32_t |
1359 | ecb_function_ ecb_const uint32_t |
1154 | ecb_float_to_binary32 (float x) |
1360 | ecb_float_to_binary32 (float x) |
1155 | { |
1361 | { |
1156 | uint32_t r; |
1362 | uint32_t r; |
1157 | |
1363 | |
1158 | #if ECB_STDFP |
1364 | #if ECB_STDFP |
… | |
… | |
1165 | if (x == 0e0f ) return 0x00000000U; |
1371 | if (x == 0e0f ) return 0x00000000U; |
1166 | if (x > +3.40282346638528860e+38f) return 0x7f800000U; |
1372 | if (x > +3.40282346638528860e+38f) return 0x7f800000U; |
1167 | if (x < -3.40282346638528860e+38f) return 0xff800000U; |
1373 | if (x < -3.40282346638528860e+38f) return 0xff800000U; |
1168 | if (x != x ) return 0x7fbfffffU; |
1374 | if (x != x ) return 0x7fbfffffU; |
1169 | |
1375 | |
1170 | m = frexpf (x, &e) * 0x1000000U; |
1376 | m = ecb_frexpf (x, &e) * 0x1000000U; |
1171 | |
1377 | |
1172 | r = m & 0x80000000U; |
1378 | r = m & 0x80000000U; |
1173 | |
1379 | |
1174 | if (r) |
1380 | if (r) |
1175 | m = -m; |
1381 | m = -m; |
… | |
… | |
1187 | |
1393 | |
1188 | return r; |
1394 | return r; |
1189 | } |
1395 | } |
1190 | |
1396 | |
1191 | /* converts an ieee single/binary32 to a float */ |
1397 | /* converts an ieee single/binary32 to a float */ |
1192 | ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const; |
1398 | ecb_function_ ecb_const float ecb_binary32_to_float (uint32_t x); |
1193 | ecb_function_ float |
1399 | ecb_function_ ecb_const float |
1194 | ecb_binary32_to_float (uint32_t x) |
1400 | ecb_binary32_to_float (uint32_t x) |
1195 | { |
1401 | { |
1196 | float r; |
1402 | float r; |
1197 | |
1403 | |
1198 | #if ECB_STDFP |
1404 | #if ECB_STDFP |
… | |
… | |
1208 | x |= 0x800000U; |
1414 | x |= 0x800000U; |
1209 | else |
1415 | else |
1210 | e = 1; |
1416 | e = 1; |
1211 | |
1417 | |
1212 | /* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */ |
1418 | /* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */ |
1213 | r = ldexpf (x * (0.5f / 0x800000U), e - 126); |
1419 | r = ecb_ldexpf (x * (0.5f / 0x800000U), e - 126); |
1214 | |
1420 | |
1215 | r = neg ? -r : r; |
1421 | r = neg ? -r : r; |
1216 | #endif |
1422 | #endif |
1217 | |
1423 | |
1218 | return r; |
1424 | return r; |
1219 | } |
1425 | } |
1220 | |
1426 | |
1221 | /* convert a double to ieee double/binary64 */ |
1427 | /* convert a double to ieee double/binary64 */ |
1222 | ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const; |
1428 | ecb_function_ ecb_const uint64_t ecb_double_to_binary64 (double x); |
1223 | ecb_function_ uint64_t |
1429 | ecb_function_ ecb_const uint64_t |
1224 | ecb_double_to_binary64 (double x) |
1430 | ecb_double_to_binary64 (double x) |
1225 | { |
1431 | { |
1226 | uint64_t r; |
1432 | uint64_t r; |
1227 | |
1433 | |
1228 | #if ECB_STDFP |
1434 | #if ECB_STDFP |
… | |
… | |
1257 | |
1463 | |
1258 | return r; |
1464 | return r; |
1259 | } |
1465 | } |
1260 | |
1466 | |
1261 | /* converts an ieee double/binary64 to a double */ |
1467 | /* converts an ieee double/binary64 to a double */ |
1262 | ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const; |
1468 | ecb_function_ ecb_const double ecb_binary64_to_double (uint64_t x); |
1263 | ecb_function_ double |
1469 | ecb_function_ ecb_const double |
1264 | ecb_binary64_to_double (uint64_t x) |
1470 | ecb_binary64_to_double (uint64_t x) |
1265 | { |
1471 | { |
1266 | double r; |
1472 | double r; |
1267 | |
1473 | |
1268 | #if ECB_STDFP |
1474 | #if ECB_STDFP |
… | |
… | |
1284 | |
1490 | |
1285 | r = neg ? -r : r; |
1491 | r = neg ? -r : r; |
1286 | #endif |
1492 | #endif |
1287 | |
1493 | |
1288 | return r; |
1494 | return r; |
|
|
1495 | } |
|
|
1496 | |
|
|
1497 | /* convert a float to ieee half/binary16 */ |
|
|
1498 | ecb_function_ ecb_const uint16_t ecb_float_to_binary16 (float x); |
|
|
1499 | ecb_function_ ecb_const uint16_t |
|
|
1500 | ecb_float_to_binary16 (float x) |
|
|
1501 | { |
|
|
1502 | return ecb_binary32_to_binary16 (ecb_float_to_binary32 (x)); |
|
|
1503 | } |
|
|
1504 | |
|
|
1505 | /* convert an ieee half/binary16 to float */ |
|
|
1506 | ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x); |
|
|
1507 | ecb_function_ ecb_const float |
|
|
1508 | ecb_binary16_to_float (uint16_t x) |
|
|
1509 | { |
|
|
1510 | return ecb_binary32_to_float (ecb_binary16_to_binary32 (x)); |
1289 | } |
1511 | } |
1290 | |
1512 | |
1291 | #endif |
1513 | #endif |
1292 | |
1514 | |
1293 | #endif |
1515 | #endif |
… | |
… | |
1318 | #define inline_size ecb_inline |
1540 | #define inline_size ecb_inline |
1319 | |
1541 | |
1320 | #if EV_FEATURE_CODE |
1542 | #if EV_FEATURE_CODE |
1321 | # define inline_speed ecb_inline |
1543 | # define inline_speed ecb_inline |
1322 | #else |
1544 | #else |
1323 | # define inline_speed static noinline |
1545 | # define inline_speed noinline static |
1324 | #endif |
1546 | #endif |
1325 | |
1547 | |
1326 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
1548 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
1327 | |
1549 | |
1328 | #if EV_MINPRI == EV_MAXPRI |
1550 | #if EV_MINPRI == EV_MAXPRI |
1329 | # define ABSPRI(w) (((W)w), 0) |
1551 | # define ABSPRI(w) (((W)w), 0) |
1330 | #else |
1552 | #else |
1331 | # define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
1553 | # define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
1332 | #endif |
1554 | #endif |
1333 | |
1555 | |
1334 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
1556 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
1335 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
|
|
1336 | |
1557 | |
1337 | typedef ev_watcher *W; |
1558 | typedef ev_watcher *W; |
1338 | typedef ev_watcher_list *WL; |
1559 | typedef ev_watcher_list *WL; |
1339 | typedef ev_watcher_time *WT; |
1560 | typedef ev_watcher_time *WT; |
1340 | |
1561 | |
… | |
… | |
1375 | #else |
1596 | #else |
1376 | |
1597 | |
1377 | #include <float.h> |
1598 | #include <float.h> |
1378 | |
1599 | |
1379 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
1600 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
|
|
1601 | noinline |
1380 | static ev_tstamp noinline |
1602 | static ev_tstamp |
1381 | ev_floor (ev_tstamp v) |
1603 | ev_floor (ev_tstamp v) |
1382 | { |
1604 | { |
1383 | /* the choice of shift factor is not terribly important */ |
1605 | /* the choice of shift factor is not terribly important */ |
1384 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
1606 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
1385 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
1607 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
… | |
… | |
1417 | |
1639 | |
1418 | #ifdef __linux |
1640 | #ifdef __linux |
1419 | # include <sys/utsname.h> |
1641 | # include <sys/utsname.h> |
1420 | #endif |
1642 | #endif |
1421 | |
1643 | |
1422 | static unsigned int noinline ecb_cold |
1644 | noinline ecb_cold |
|
|
1645 | static unsigned int |
1423 | ev_linux_version (void) |
1646 | ev_linux_version (void) |
1424 | { |
1647 | { |
1425 | #ifdef __linux |
1648 | #ifdef __linux |
1426 | unsigned int v = 0; |
1649 | unsigned int v = 0; |
1427 | struct utsname buf; |
1650 | struct utsname buf; |
… | |
… | |
1456 | } |
1679 | } |
1457 | |
1680 | |
1458 | /*****************************************************************************/ |
1681 | /*****************************************************************************/ |
1459 | |
1682 | |
1460 | #if EV_AVOID_STDIO |
1683 | #if EV_AVOID_STDIO |
1461 | static void noinline ecb_cold |
1684 | noinline ecb_cold |
|
|
1685 | static void |
1462 | ev_printerr (const char *msg) |
1686 | ev_printerr (const char *msg) |
1463 | { |
1687 | { |
1464 | write (STDERR_FILENO, msg, strlen (msg)); |
1688 | write (STDERR_FILENO, msg, strlen (msg)); |
1465 | } |
1689 | } |
1466 | #endif |
1690 | #endif |
1467 | |
1691 | |
1468 | static void (*syserr_cb)(const char *msg) EV_THROW; |
1692 | static void (*syserr_cb)(const char *msg) EV_NOEXCEPT; |
1469 | |
1693 | |
1470 | void ecb_cold |
1694 | ecb_cold |
|
|
1695 | void |
1471 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW |
1696 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT |
1472 | { |
1697 | { |
1473 | syserr_cb = cb; |
1698 | syserr_cb = cb; |
1474 | } |
1699 | } |
1475 | |
1700 | |
1476 | static void noinline ecb_cold |
1701 | noinline ecb_cold |
|
|
1702 | static void |
1477 | ev_syserr (const char *msg) |
1703 | ev_syserr (const char *msg) |
1478 | { |
1704 | { |
1479 | if (!msg) |
1705 | if (!msg) |
1480 | msg = "(libev) system error"; |
1706 | msg = "(libev) system error"; |
1481 | |
1707 | |
… | |
… | |
1494 | abort (); |
1720 | abort (); |
1495 | } |
1721 | } |
1496 | } |
1722 | } |
1497 | |
1723 | |
1498 | static void * |
1724 | static void * |
1499 | ev_realloc_emul (void *ptr, long size) EV_THROW |
1725 | ev_realloc_emul (void *ptr, long size) EV_NOEXCEPT |
1500 | { |
1726 | { |
1501 | /* some systems, notably openbsd and darwin, fail to properly |
1727 | /* some systems, notably openbsd and darwin, fail to properly |
1502 | * implement realloc (x, 0) (as required by both ansi c-89 and |
1728 | * implement realloc (x, 0) (as required by both ansi c-89 and |
1503 | * the single unix specification, so work around them here. |
1729 | * the single unix specification, so work around them here. |
1504 | * recently, also (at least) fedora and debian started breaking it, |
1730 | * recently, also (at least) fedora and debian started breaking it, |
… | |
… | |
1510 | |
1736 | |
1511 | free (ptr); |
1737 | free (ptr); |
1512 | return 0; |
1738 | return 0; |
1513 | } |
1739 | } |
1514 | |
1740 | |
1515 | static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul; |
1741 | static void *(*alloc)(void *ptr, long size) EV_NOEXCEPT = ev_realloc_emul; |
1516 | |
1742 | |
1517 | void ecb_cold |
1743 | ecb_cold |
|
|
1744 | void |
1518 | ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW |
1745 | ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT |
1519 | { |
1746 | { |
1520 | alloc = cb; |
1747 | alloc = cb; |
1521 | } |
1748 | } |
1522 | |
1749 | |
1523 | inline_speed void * |
1750 | inline_speed void * |
… | |
… | |
1550 | typedef struct |
1777 | typedef struct |
1551 | { |
1778 | { |
1552 | WL head; |
1779 | WL head; |
1553 | unsigned char events; /* the events watched for */ |
1780 | unsigned char events; /* the events watched for */ |
1554 | unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ |
1781 | unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ |
1555 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
1782 | unsigned char emask; /* some backends store the actual kernel mask in here */ |
1556 | unsigned char unused; |
1783 | unsigned char unused; |
1557 | #if EV_USE_EPOLL |
1784 | #if EV_USE_EPOLL |
1558 | unsigned int egen; /* generation counter to counter epoll bugs */ |
1785 | unsigned int egen; /* generation counter to counter epoll bugs */ |
1559 | #endif |
1786 | #endif |
1560 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
1787 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
… | |
… | |
1640 | |
1867 | |
1641 | /*****************************************************************************/ |
1868 | /*****************************************************************************/ |
1642 | |
1869 | |
1643 | #ifndef EV_HAVE_EV_TIME |
1870 | #ifndef EV_HAVE_EV_TIME |
1644 | ev_tstamp |
1871 | ev_tstamp |
1645 | ev_time (void) EV_THROW |
1872 | ev_time (void) EV_NOEXCEPT |
1646 | { |
1873 | { |
1647 | #if EV_USE_REALTIME |
1874 | #if EV_USE_REALTIME |
1648 | if (expect_true (have_realtime)) |
1875 | if (expect_true (have_realtime)) |
1649 | { |
1876 | { |
1650 | struct timespec ts; |
1877 | struct timespec ts; |
… | |
… | |
1674 | return ev_time (); |
1901 | return ev_time (); |
1675 | } |
1902 | } |
1676 | |
1903 | |
1677 | #if EV_MULTIPLICITY |
1904 | #if EV_MULTIPLICITY |
1678 | ev_tstamp |
1905 | ev_tstamp |
1679 | ev_now (EV_P) EV_THROW |
1906 | ev_now (EV_P) EV_NOEXCEPT |
1680 | { |
1907 | { |
1681 | return ev_rt_now; |
1908 | return ev_rt_now; |
1682 | } |
1909 | } |
1683 | #endif |
1910 | #endif |
1684 | |
1911 | |
1685 | void |
1912 | void |
1686 | ev_sleep (ev_tstamp delay) EV_THROW |
1913 | ev_sleep (ev_tstamp delay) EV_NOEXCEPT |
1687 | { |
1914 | { |
1688 | if (delay > 0.) |
1915 | if (delay > 0.) |
1689 | { |
1916 | { |
1690 | #if EV_USE_NANOSLEEP |
1917 | #if EV_USE_NANOSLEEP |
1691 | struct timespec ts; |
1918 | struct timespec ts; |
1692 | |
1919 | |
1693 | EV_TS_SET (ts, delay); |
1920 | EV_TS_SET (ts, delay); |
1694 | nanosleep (&ts, 0); |
1921 | nanosleep (&ts, 0); |
1695 | #elif defined _WIN32 |
1922 | #elif defined _WIN32 |
|
|
1923 | /* maybe this should round up, as ms is very low resolution */ |
|
|
1924 | /* compared to select (µs) or nanosleep (ns) */ |
1696 | Sleep ((unsigned long)(delay * 1e3)); |
1925 | Sleep ((unsigned long)(delay * 1e3)); |
1697 | #else |
1926 | #else |
1698 | struct timeval tv; |
1927 | struct timeval tv; |
1699 | |
1928 | |
1700 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
1929 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
… | |
… | |
1731 | } |
1960 | } |
1732 | |
1961 | |
1733 | return ncur; |
1962 | return ncur; |
1734 | } |
1963 | } |
1735 | |
1964 | |
1736 | static void * noinline ecb_cold |
1965 | noinline ecb_cold |
|
|
1966 | static void * |
1737 | array_realloc (int elem, void *base, int *cur, int cnt) |
1967 | array_realloc (int elem, void *base, int *cur, int cnt) |
1738 | { |
1968 | { |
1739 | *cur = array_nextsize (elem, *cur, cnt); |
1969 | *cur = array_nextsize (elem, *cur, cnt); |
1740 | return ev_realloc (base, elem * *cur); |
1970 | return ev_realloc (base, elem * *cur); |
1741 | } |
1971 | } |
1742 | |
1972 | |
|
|
1973 | #define array_needsize_noinit(base,count) |
|
|
1974 | |
1743 | #define array_init_zero(base,count) \ |
1975 | #define array_needsize_zerofill(base,count) \ |
1744 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
1976 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
1745 | |
1977 | |
1746 | #define array_needsize(type,base,cur,cnt,init) \ |
1978 | #define array_needsize(type,base,cur,cnt,init) \ |
1747 | if (expect_false ((cnt) > (cur))) \ |
1979 | if (expect_false ((cnt) > (cur))) \ |
1748 | { \ |
1980 | { \ |
1749 | int ecb_unused ocur_ = (cur); \ |
1981 | ecb_unused int ocur_ = (cur); \ |
1750 | (base) = (type *)array_realloc \ |
1982 | (base) = (type *)array_realloc \ |
1751 | (sizeof (type), (base), &(cur), (cnt)); \ |
1983 | (sizeof (type), (base), &(cur), (cnt)); \ |
1752 | init ((base) + (ocur_), (cur) - ocur_); \ |
1984 | init ((base) + (ocur_), (cur) - ocur_); \ |
1753 | } |
1985 | } |
1754 | |
1986 | |
… | |
… | |
1766 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
1998 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
1767 | |
1999 | |
1768 | /*****************************************************************************/ |
2000 | /*****************************************************************************/ |
1769 | |
2001 | |
1770 | /* dummy callback for pending events */ |
2002 | /* dummy callback for pending events */ |
1771 | static void noinline |
2003 | noinline |
|
|
2004 | static void |
1772 | pendingcb (EV_P_ ev_prepare *w, int revents) |
2005 | pendingcb (EV_P_ ev_prepare *w, int revents) |
1773 | { |
2006 | { |
1774 | } |
2007 | } |
1775 | |
2008 | |
1776 | void noinline |
2009 | noinline |
|
|
2010 | void |
1777 | ev_feed_event (EV_P_ void *w, int revents) EV_THROW |
2011 | ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT |
1778 | { |
2012 | { |
1779 | W w_ = (W)w; |
2013 | W w_ = (W)w; |
1780 | int pri = ABSPRI (w_); |
2014 | int pri = ABSPRI (w_); |
1781 | |
2015 | |
1782 | if (expect_false (w_->pending)) |
2016 | if (expect_false (w_->pending)) |
1783 | pendings [pri][w_->pending - 1].events |= revents; |
2017 | pendings [pri][w_->pending - 1].events |= revents; |
1784 | else |
2018 | else |
1785 | { |
2019 | { |
1786 | w_->pending = ++pendingcnt [pri]; |
2020 | w_->pending = ++pendingcnt [pri]; |
1787 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
2021 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit); |
1788 | pendings [pri][w_->pending - 1].w = w_; |
2022 | pendings [pri][w_->pending - 1].w = w_; |
1789 | pendings [pri][w_->pending - 1].events = revents; |
2023 | pendings [pri][w_->pending - 1].events = revents; |
1790 | } |
2024 | } |
1791 | |
2025 | |
1792 | pendingpri = NUMPRI - 1; |
2026 | pendingpri = NUMPRI - 1; |
1793 | } |
2027 | } |
1794 | |
2028 | |
1795 | inline_speed void |
2029 | inline_speed void |
1796 | feed_reverse (EV_P_ W w) |
2030 | feed_reverse (EV_P_ W w) |
1797 | { |
2031 | { |
1798 | array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2); |
2032 | array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, array_needsize_noinit); |
1799 | rfeeds [rfeedcnt++] = w; |
2033 | rfeeds [rfeedcnt++] = w; |
1800 | } |
2034 | } |
1801 | |
2035 | |
1802 | inline_size void |
2036 | inline_size void |
1803 | feed_reverse_done (EV_P_ int revents) |
2037 | feed_reverse_done (EV_P_ int revents) |
… | |
… | |
1843 | if (expect_true (!anfd->reify)) |
2077 | if (expect_true (!anfd->reify)) |
1844 | fd_event_nocheck (EV_A_ fd, revents); |
2078 | fd_event_nocheck (EV_A_ fd, revents); |
1845 | } |
2079 | } |
1846 | |
2080 | |
1847 | void |
2081 | void |
1848 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW |
2082 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT |
1849 | { |
2083 | { |
1850 | if (fd >= 0 && fd < anfdmax) |
2084 | if (fd >= 0 && fd < anfdmax) |
1851 | fd_event_nocheck (EV_A_ fd, revents); |
2085 | fd_event_nocheck (EV_A_ fd, revents); |
1852 | } |
2086 | } |
1853 | |
2087 | |
… | |
… | |
1911 | |
2145 | |
1912 | fdchangecnt = 0; |
2146 | fdchangecnt = 0; |
1913 | } |
2147 | } |
1914 | |
2148 | |
1915 | /* something about the given fd changed */ |
2149 | /* something about the given fd changed */ |
1916 | inline_size void |
2150 | inline_size |
|
|
2151 | void |
1917 | fd_change (EV_P_ int fd, int flags) |
2152 | fd_change (EV_P_ int fd, int flags) |
1918 | { |
2153 | { |
1919 | unsigned char reify = anfds [fd].reify; |
2154 | unsigned char reify = anfds [fd].reify; |
1920 | anfds [fd].reify |= flags; |
2155 | anfds [fd].reify |= flags; |
1921 | |
2156 | |
1922 | if (expect_true (!reify)) |
2157 | if (expect_true (!reify)) |
1923 | { |
2158 | { |
1924 | ++fdchangecnt; |
2159 | ++fdchangecnt; |
1925 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
2160 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit); |
1926 | fdchanges [fdchangecnt - 1] = fd; |
2161 | fdchanges [fdchangecnt - 1] = fd; |
1927 | } |
2162 | } |
1928 | } |
2163 | } |
1929 | |
2164 | |
1930 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
2165 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
1931 | inline_speed void ecb_cold |
2166 | inline_speed ecb_cold void |
1932 | fd_kill (EV_P_ int fd) |
2167 | fd_kill (EV_P_ int fd) |
1933 | { |
2168 | { |
1934 | ev_io *w; |
2169 | ev_io *w; |
1935 | |
2170 | |
1936 | while ((w = (ev_io *)anfds [fd].head)) |
2171 | while ((w = (ev_io *)anfds [fd].head)) |
… | |
… | |
1939 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
2174 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
1940 | } |
2175 | } |
1941 | } |
2176 | } |
1942 | |
2177 | |
1943 | /* check whether the given fd is actually valid, for error recovery */ |
2178 | /* check whether the given fd is actually valid, for error recovery */ |
1944 | inline_size int ecb_cold |
2179 | inline_size ecb_cold int |
1945 | fd_valid (int fd) |
2180 | fd_valid (int fd) |
1946 | { |
2181 | { |
1947 | #ifdef _WIN32 |
2182 | #ifdef _WIN32 |
1948 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
2183 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
1949 | #else |
2184 | #else |
1950 | return fcntl (fd, F_GETFD) != -1; |
2185 | return fcntl (fd, F_GETFD) != -1; |
1951 | #endif |
2186 | #endif |
1952 | } |
2187 | } |
1953 | |
2188 | |
1954 | /* called on EBADF to verify fds */ |
2189 | /* called on EBADF to verify fds */ |
1955 | static void noinline ecb_cold |
2190 | noinline ecb_cold |
|
|
2191 | static void |
1956 | fd_ebadf (EV_P) |
2192 | fd_ebadf (EV_P) |
1957 | { |
2193 | { |
1958 | int fd; |
2194 | int fd; |
1959 | |
2195 | |
1960 | for (fd = 0; fd < anfdmax; ++fd) |
2196 | for (fd = 0; fd < anfdmax; ++fd) |
… | |
… | |
1962 | if (!fd_valid (fd) && errno == EBADF) |
2198 | if (!fd_valid (fd) && errno == EBADF) |
1963 | fd_kill (EV_A_ fd); |
2199 | fd_kill (EV_A_ fd); |
1964 | } |
2200 | } |
1965 | |
2201 | |
1966 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
2202 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
1967 | static void noinline ecb_cold |
2203 | noinline ecb_cold |
|
|
2204 | static void |
1968 | fd_enomem (EV_P) |
2205 | fd_enomem (EV_P) |
1969 | { |
2206 | { |
1970 | int fd; |
2207 | int fd; |
1971 | |
2208 | |
1972 | for (fd = anfdmax; fd--; ) |
2209 | for (fd = anfdmax; fd--; ) |
… | |
… | |
1976 | break; |
2213 | break; |
1977 | } |
2214 | } |
1978 | } |
2215 | } |
1979 | |
2216 | |
1980 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
2217 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
1981 | static void noinline |
2218 | noinline |
|
|
2219 | static void |
1982 | fd_rearm_all (EV_P) |
2220 | fd_rearm_all (EV_P) |
1983 | { |
2221 | { |
1984 | int fd; |
2222 | int fd; |
1985 | |
2223 | |
1986 | for (fd = 0; fd < anfdmax; ++fd) |
2224 | for (fd = 0; fd < anfdmax; ++fd) |
… | |
… | |
2167 | |
2405 | |
2168 | /*****************************************************************************/ |
2406 | /*****************************************************************************/ |
2169 | |
2407 | |
2170 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2408 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2171 | |
2409 | |
2172 | static void noinline ecb_cold |
2410 | noinline ecb_cold |
|
|
2411 | static void |
2173 | evpipe_init (EV_P) |
2412 | evpipe_init (EV_P) |
2174 | { |
2413 | { |
2175 | if (!ev_is_active (&pipe_w)) |
2414 | if (!ev_is_active (&pipe_w)) |
2176 | { |
2415 | { |
2177 | int fds [2]; |
2416 | int fds [2]; |
… | |
… | |
2248 | #endif |
2487 | #endif |
2249 | { |
2488 | { |
2250 | #ifdef _WIN32 |
2489 | #ifdef _WIN32 |
2251 | WSABUF buf; |
2490 | WSABUF buf; |
2252 | DWORD sent; |
2491 | DWORD sent; |
2253 | buf.buf = &buf; |
2492 | buf.buf = (char *)&buf; |
2254 | buf.len = 1; |
2493 | buf.len = 1; |
2255 | WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0); |
2494 | WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0); |
2256 | #else |
2495 | #else |
2257 | write (evpipe [1], &(evpipe [1]), 1); |
2496 | write (evpipe [1], &(evpipe [1]), 1); |
2258 | #endif |
2497 | #endif |
… | |
… | |
2330 | } |
2569 | } |
2331 | |
2570 | |
2332 | /*****************************************************************************/ |
2571 | /*****************************************************************************/ |
2333 | |
2572 | |
2334 | void |
2573 | void |
2335 | ev_feed_signal (int signum) EV_THROW |
2574 | ev_feed_signal (int signum) EV_NOEXCEPT |
2336 | { |
2575 | { |
2337 | #if EV_MULTIPLICITY |
2576 | #if EV_MULTIPLICITY |
2338 | EV_P; |
2577 | EV_P; |
2339 | ECB_MEMORY_FENCE_ACQUIRE; |
2578 | ECB_MEMORY_FENCE_ACQUIRE; |
2340 | EV_A = signals [signum - 1].loop; |
2579 | EV_A = signals [signum - 1].loop; |
… | |
… | |
2355 | #endif |
2594 | #endif |
2356 | |
2595 | |
2357 | ev_feed_signal (signum); |
2596 | ev_feed_signal (signum); |
2358 | } |
2597 | } |
2359 | |
2598 | |
2360 | void noinline |
2599 | noinline |
|
|
2600 | void |
2361 | ev_feed_signal_event (EV_P_ int signum) EV_THROW |
2601 | ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT |
2362 | { |
2602 | { |
2363 | WL w; |
2603 | WL w; |
2364 | |
2604 | |
2365 | if (expect_false (signum <= 0 || signum >= EV_NSIG)) |
2605 | if (expect_false (signum <= 0 || signum >= EV_NSIG)) |
2366 | return; |
2606 | return; |
… | |
… | |
2472 | # include "ev_port.c" |
2712 | # include "ev_port.c" |
2473 | #endif |
2713 | #endif |
2474 | #if EV_USE_KQUEUE |
2714 | #if EV_USE_KQUEUE |
2475 | # include "ev_kqueue.c" |
2715 | # include "ev_kqueue.c" |
2476 | #endif |
2716 | #endif |
|
|
2717 | #if EV_USE_LINUXAIO |
|
|
2718 | # include "ev_linuxaio.c" |
|
|
2719 | #endif |
2477 | #if EV_USE_EPOLL |
2720 | #if EV_USE_EPOLL |
2478 | # include "ev_epoll.c" |
2721 | # include "ev_epoll.c" |
2479 | #endif |
2722 | #endif |
2480 | #if EV_USE_POLL |
2723 | #if EV_USE_POLL |
2481 | # include "ev_poll.c" |
2724 | # include "ev_poll.c" |
2482 | #endif |
2725 | #endif |
2483 | #if EV_USE_SELECT |
2726 | #if EV_USE_SELECT |
2484 | # include "ev_select.c" |
2727 | # include "ev_select.c" |
2485 | #endif |
2728 | #endif |
2486 | |
2729 | |
2487 | int ecb_cold |
2730 | ecb_cold int |
2488 | ev_version_major (void) EV_THROW |
2731 | ev_version_major (void) EV_NOEXCEPT |
2489 | { |
2732 | { |
2490 | return EV_VERSION_MAJOR; |
2733 | return EV_VERSION_MAJOR; |
2491 | } |
2734 | } |
2492 | |
2735 | |
2493 | int ecb_cold |
2736 | ecb_cold int |
2494 | ev_version_minor (void) EV_THROW |
2737 | ev_version_minor (void) EV_NOEXCEPT |
2495 | { |
2738 | { |
2496 | return EV_VERSION_MINOR; |
2739 | return EV_VERSION_MINOR; |
2497 | } |
2740 | } |
2498 | |
2741 | |
2499 | /* return true if we are running with elevated privileges and should ignore env variables */ |
2742 | /* return true if we are running with elevated privileges and should ignore env variables */ |
2500 | int inline_size ecb_cold |
2743 | inline_size ecb_cold int |
2501 | enable_secure (void) |
2744 | enable_secure (void) |
2502 | { |
2745 | { |
2503 | #ifdef _WIN32 |
2746 | #ifdef _WIN32 |
2504 | return 0; |
2747 | return 0; |
2505 | #else |
2748 | #else |
2506 | return getuid () != geteuid () |
2749 | return getuid () != geteuid () |
2507 | || getgid () != getegid (); |
2750 | || getgid () != getegid (); |
2508 | #endif |
2751 | #endif |
2509 | } |
2752 | } |
2510 | |
2753 | |
2511 | unsigned int ecb_cold |
2754 | ecb_cold |
|
|
2755 | unsigned int |
2512 | ev_supported_backends (void) EV_THROW |
2756 | ev_supported_backends (void) EV_NOEXCEPT |
2513 | { |
2757 | { |
2514 | unsigned int flags = 0; |
2758 | unsigned int flags = 0; |
2515 | |
2759 | |
2516 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2760 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2517 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
2761 | if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE; |
2518 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
2762 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
|
|
2763 | if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO; |
2519 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
2764 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
2520 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
2765 | if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT; |
2521 | |
2766 | |
2522 | return flags; |
2767 | return flags; |
2523 | } |
2768 | } |
2524 | |
2769 | |
2525 | unsigned int ecb_cold |
2770 | ecb_cold |
|
|
2771 | unsigned int |
2526 | ev_recommended_backends (void) EV_THROW |
2772 | ev_recommended_backends (void) EV_NOEXCEPT |
2527 | { |
2773 | { |
2528 | unsigned int flags = ev_supported_backends (); |
2774 | unsigned int flags = ev_supported_backends (); |
2529 | |
2775 | |
2530 | #ifndef __NetBSD__ |
2776 | #ifndef __NetBSD__ |
2531 | /* kqueue is borked on everything but netbsd apparently */ |
2777 | /* kqueue is borked on everything but netbsd apparently */ |
… | |
… | |
2542 | #endif |
2788 | #endif |
2543 | |
2789 | |
2544 | return flags; |
2790 | return flags; |
2545 | } |
2791 | } |
2546 | |
2792 | |
2547 | unsigned int ecb_cold |
2793 | ecb_cold |
|
|
2794 | unsigned int |
2548 | ev_embeddable_backends (void) EV_THROW |
2795 | ev_embeddable_backends (void) EV_NOEXCEPT |
2549 | { |
2796 | { |
2550 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
2797 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
2551 | |
2798 | |
2552 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2799 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2553 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
2800 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
… | |
… | |
2555 | |
2802 | |
2556 | return flags; |
2803 | return flags; |
2557 | } |
2804 | } |
2558 | |
2805 | |
2559 | unsigned int |
2806 | unsigned int |
2560 | ev_backend (EV_P) EV_THROW |
2807 | ev_backend (EV_P) EV_NOEXCEPT |
2561 | { |
2808 | { |
2562 | return backend; |
2809 | return backend; |
2563 | } |
2810 | } |
2564 | |
2811 | |
2565 | #if EV_FEATURE_API |
2812 | #if EV_FEATURE_API |
2566 | unsigned int |
2813 | unsigned int |
2567 | ev_iteration (EV_P) EV_THROW |
2814 | ev_iteration (EV_P) EV_NOEXCEPT |
2568 | { |
2815 | { |
2569 | return loop_count; |
2816 | return loop_count; |
2570 | } |
2817 | } |
2571 | |
2818 | |
2572 | unsigned int |
2819 | unsigned int |
2573 | ev_depth (EV_P) EV_THROW |
2820 | ev_depth (EV_P) EV_NOEXCEPT |
2574 | { |
2821 | { |
2575 | return loop_depth; |
2822 | return loop_depth; |
2576 | } |
2823 | } |
2577 | |
2824 | |
2578 | void |
2825 | void |
2579 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
2826 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT |
2580 | { |
2827 | { |
2581 | io_blocktime = interval; |
2828 | io_blocktime = interval; |
2582 | } |
2829 | } |
2583 | |
2830 | |
2584 | void |
2831 | void |
2585 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
2832 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT |
2586 | { |
2833 | { |
2587 | timeout_blocktime = interval; |
2834 | timeout_blocktime = interval; |
2588 | } |
2835 | } |
2589 | |
2836 | |
2590 | void |
2837 | void |
2591 | ev_set_userdata (EV_P_ void *data) EV_THROW |
2838 | ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT |
2592 | { |
2839 | { |
2593 | userdata = data; |
2840 | userdata = data; |
2594 | } |
2841 | } |
2595 | |
2842 | |
2596 | void * |
2843 | void * |
2597 | ev_userdata (EV_P) EV_THROW |
2844 | ev_userdata (EV_P) EV_NOEXCEPT |
2598 | { |
2845 | { |
2599 | return userdata; |
2846 | return userdata; |
2600 | } |
2847 | } |
2601 | |
2848 | |
2602 | void |
2849 | void |
2603 | ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW |
2850 | ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT |
2604 | { |
2851 | { |
2605 | invoke_cb = invoke_pending_cb; |
2852 | invoke_cb = invoke_pending_cb; |
2606 | } |
2853 | } |
2607 | |
2854 | |
2608 | void |
2855 | void |
2609 | ev_set_loop_release_cb (EV_P_ ev_loop_callback_nothrow release, ev_loop_callback_nothrow acquire) EV_THROW |
2856 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT |
2610 | { |
2857 | { |
2611 | release_cb = release; |
2858 | release_cb = release; |
2612 | acquire_cb = acquire; |
2859 | acquire_cb = acquire; |
2613 | } |
2860 | } |
2614 | #endif |
2861 | #endif |
2615 | |
2862 | |
2616 | /* initialise a loop structure, must be zero-initialised */ |
2863 | /* initialise a loop structure, must be zero-initialised */ |
2617 | static void noinline ecb_cold |
2864 | noinline ecb_cold |
|
|
2865 | static void |
2618 | loop_init (EV_P_ unsigned int flags) EV_THROW |
2866 | loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT |
2619 | { |
2867 | { |
2620 | if (!backend) |
2868 | if (!backend) |
2621 | { |
2869 | { |
2622 | origflags = flags; |
2870 | origflags = flags; |
2623 | |
2871 | |
… | |
… | |
2681 | |
2929 | |
2682 | if (!(flags & EVBACKEND_MASK)) |
2930 | if (!(flags & EVBACKEND_MASK)) |
2683 | flags |= ev_recommended_backends (); |
2931 | flags |= ev_recommended_backends (); |
2684 | |
2932 | |
2685 | #if EV_USE_IOCP |
2933 | #if EV_USE_IOCP |
2686 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
2934 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
2687 | #endif |
2935 | #endif |
2688 | #if EV_USE_PORT |
2936 | #if EV_USE_PORT |
2689 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
2937 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
2690 | #endif |
2938 | #endif |
2691 | #if EV_USE_KQUEUE |
2939 | #if EV_USE_KQUEUE |
2692 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
2940 | if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags); |
|
|
2941 | #endif |
|
|
2942 | #if EV_USE_LINUXAIO |
|
|
2943 | if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags); |
2693 | #endif |
2944 | #endif |
2694 | #if EV_USE_EPOLL |
2945 | #if EV_USE_EPOLL |
2695 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
2946 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
2696 | #endif |
2947 | #endif |
2697 | #if EV_USE_POLL |
2948 | #if EV_USE_POLL |
2698 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
2949 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
2699 | #endif |
2950 | #endif |
2700 | #if EV_USE_SELECT |
2951 | #if EV_USE_SELECT |
2701 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
2952 | if (!backend && (flags & EVBACKEND_SELECT )) backend = select_init (EV_A_ flags); |
2702 | #endif |
2953 | #endif |
2703 | |
2954 | |
2704 | ev_prepare_init (&pending_w, pendingcb); |
2955 | ev_prepare_init (&pending_w, pendingcb); |
2705 | |
2956 | |
2706 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2957 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
… | |
… | |
2709 | #endif |
2960 | #endif |
2710 | } |
2961 | } |
2711 | } |
2962 | } |
2712 | |
2963 | |
2713 | /* free up a loop structure */ |
2964 | /* free up a loop structure */ |
2714 | void ecb_cold |
2965 | ecb_cold |
|
|
2966 | void |
2715 | ev_loop_destroy (EV_P) |
2967 | ev_loop_destroy (EV_P) |
2716 | { |
2968 | { |
2717 | int i; |
2969 | int i; |
2718 | |
2970 | |
2719 | #if EV_MULTIPLICITY |
2971 | #if EV_MULTIPLICITY |
… | |
… | |
2760 | |
3012 | |
2761 | if (backend_fd >= 0) |
3013 | if (backend_fd >= 0) |
2762 | close (backend_fd); |
3014 | close (backend_fd); |
2763 | |
3015 | |
2764 | #if EV_USE_IOCP |
3016 | #if EV_USE_IOCP |
2765 | if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); |
3017 | if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); |
2766 | #endif |
3018 | #endif |
2767 | #if EV_USE_PORT |
3019 | #if EV_USE_PORT |
2768 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
3020 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
2769 | #endif |
3021 | #endif |
2770 | #if EV_USE_KQUEUE |
3022 | #if EV_USE_KQUEUE |
2771 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
3023 | if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A); |
|
|
3024 | #endif |
|
|
3025 | #if EV_USE_LINUXAIO |
|
|
3026 | if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A); |
2772 | #endif |
3027 | #endif |
2773 | #if EV_USE_EPOLL |
3028 | #if EV_USE_EPOLL |
2774 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
3029 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
2775 | #endif |
3030 | #endif |
2776 | #if EV_USE_POLL |
3031 | #if EV_USE_POLL |
2777 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
3032 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
2778 | #endif |
3033 | #endif |
2779 | #if EV_USE_SELECT |
3034 | #if EV_USE_SELECT |
2780 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
3035 | if (backend == EVBACKEND_SELECT ) select_destroy (EV_A); |
2781 | #endif |
3036 | #endif |
2782 | |
3037 | |
2783 | for (i = NUMPRI; i--; ) |
3038 | for (i = NUMPRI; i--; ) |
2784 | { |
3039 | { |
2785 | array_free (pending, [i]); |
3040 | array_free (pending, [i]); |
… | |
… | |
2827 | |
3082 | |
2828 | inline_size void |
3083 | inline_size void |
2829 | loop_fork (EV_P) |
3084 | loop_fork (EV_P) |
2830 | { |
3085 | { |
2831 | #if EV_USE_PORT |
3086 | #if EV_USE_PORT |
2832 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
3087 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
2833 | #endif |
3088 | #endif |
2834 | #if EV_USE_KQUEUE |
3089 | #if EV_USE_KQUEUE |
2835 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
3090 | if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A); |
|
|
3091 | #endif |
|
|
3092 | #if EV_USE_LINUXAIO |
|
|
3093 | if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A); |
2836 | #endif |
3094 | #endif |
2837 | #if EV_USE_EPOLL |
3095 | #if EV_USE_EPOLL |
2838 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
3096 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
2839 | #endif |
3097 | #endif |
2840 | #if EV_USE_INOTIFY |
3098 | #if EV_USE_INOTIFY |
2841 | infy_fork (EV_A); |
3099 | infy_fork (EV_A); |
2842 | #endif |
3100 | #endif |
2843 | |
3101 | |
2844 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
3102 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2845 | if (ev_is_active (&pipe_w)) |
3103 | if (ev_is_active (&pipe_w) && postfork != 2) |
2846 | { |
3104 | { |
2847 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
3105 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
2848 | |
3106 | |
2849 | ev_ref (EV_A); |
3107 | ev_ref (EV_A); |
2850 | ev_io_stop (EV_A_ &pipe_w); |
3108 | ev_io_stop (EV_A_ &pipe_w); |
… | |
… | |
2861 | postfork = 0; |
3119 | postfork = 0; |
2862 | } |
3120 | } |
2863 | |
3121 | |
2864 | #if EV_MULTIPLICITY |
3122 | #if EV_MULTIPLICITY |
2865 | |
3123 | |
|
|
3124 | ecb_cold |
2866 | struct ev_loop * ecb_cold |
3125 | struct ev_loop * |
2867 | ev_loop_new (unsigned int flags) EV_THROW |
3126 | ev_loop_new (unsigned int flags) EV_NOEXCEPT |
2868 | { |
3127 | { |
2869 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
3128 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
2870 | |
3129 | |
2871 | memset (EV_A, 0, sizeof (struct ev_loop)); |
3130 | memset (EV_A, 0, sizeof (struct ev_loop)); |
2872 | loop_init (EV_A_ flags); |
3131 | loop_init (EV_A_ flags); |
… | |
… | |
2879 | } |
3138 | } |
2880 | |
3139 | |
2881 | #endif /* multiplicity */ |
3140 | #endif /* multiplicity */ |
2882 | |
3141 | |
2883 | #if EV_VERIFY |
3142 | #if EV_VERIFY |
2884 | static void noinline ecb_cold |
3143 | noinline ecb_cold |
|
|
3144 | static void |
2885 | verify_watcher (EV_P_ W w) |
3145 | verify_watcher (EV_P_ W w) |
2886 | { |
3146 | { |
2887 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
3147 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
2888 | |
3148 | |
2889 | if (w->pending) |
3149 | if (w->pending) |
2890 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
3150 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
2891 | } |
3151 | } |
2892 | |
3152 | |
2893 | static void noinline ecb_cold |
3153 | noinline ecb_cold |
|
|
3154 | static void |
2894 | verify_heap (EV_P_ ANHE *heap, int N) |
3155 | verify_heap (EV_P_ ANHE *heap, int N) |
2895 | { |
3156 | { |
2896 | int i; |
3157 | int i; |
2897 | |
3158 | |
2898 | for (i = HEAP0; i < N + HEAP0; ++i) |
3159 | for (i = HEAP0; i < N + HEAP0; ++i) |
… | |
… | |
2903 | |
3164 | |
2904 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
3165 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
2905 | } |
3166 | } |
2906 | } |
3167 | } |
2907 | |
3168 | |
2908 | static void noinline ecb_cold |
3169 | noinline ecb_cold |
|
|
3170 | static void |
2909 | array_verify (EV_P_ W *ws, int cnt) |
3171 | array_verify (EV_P_ W *ws, int cnt) |
2910 | { |
3172 | { |
2911 | while (cnt--) |
3173 | while (cnt--) |
2912 | { |
3174 | { |
2913 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
3175 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
… | |
… | |
2916 | } |
3178 | } |
2917 | #endif |
3179 | #endif |
2918 | |
3180 | |
2919 | #if EV_FEATURE_API |
3181 | #if EV_FEATURE_API |
2920 | void ecb_cold |
3182 | void ecb_cold |
2921 | ev_verify (EV_P) EV_THROW |
3183 | ev_verify (EV_P) EV_NOEXCEPT |
2922 | { |
3184 | { |
2923 | #if EV_VERIFY |
3185 | #if EV_VERIFY |
2924 | int i; |
3186 | int i; |
2925 | WL w, w2; |
3187 | WL w, w2; |
2926 | |
3188 | |
… | |
… | |
3002 | #endif |
3264 | #endif |
3003 | } |
3265 | } |
3004 | #endif |
3266 | #endif |
3005 | |
3267 | |
3006 | #if EV_MULTIPLICITY |
3268 | #if EV_MULTIPLICITY |
|
|
3269 | ecb_cold |
3007 | struct ev_loop * ecb_cold |
3270 | struct ev_loop * |
3008 | #else |
3271 | #else |
3009 | int |
3272 | int |
3010 | #endif |
3273 | #endif |
3011 | ev_default_loop (unsigned int flags) EV_THROW |
3274 | ev_default_loop (unsigned int flags) EV_NOEXCEPT |
3012 | { |
3275 | { |
3013 | if (!ev_default_loop_ptr) |
3276 | if (!ev_default_loop_ptr) |
3014 | { |
3277 | { |
3015 | #if EV_MULTIPLICITY |
3278 | #if EV_MULTIPLICITY |
3016 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
3279 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
… | |
… | |
3035 | |
3298 | |
3036 | return ev_default_loop_ptr; |
3299 | return ev_default_loop_ptr; |
3037 | } |
3300 | } |
3038 | |
3301 | |
3039 | void |
3302 | void |
3040 | ev_loop_fork (EV_P) EV_THROW |
3303 | ev_loop_fork (EV_P) EV_NOEXCEPT |
3041 | { |
3304 | { |
3042 | postfork = 1; |
3305 | postfork = 1; |
3043 | } |
3306 | } |
3044 | |
3307 | |
3045 | /*****************************************************************************/ |
3308 | /*****************************************************************************/ |
… | |
… | |
3049 | { |
3312 | { |
3050 | EV_CB_INVOKE ((W)w, revents); |
3313 | EV_CB_INVOKE ((W)w, revents); |
3051 | } |
3314 | } |
3052 | |
3315 | |
3053 | unsigned int |
3316 | unsigned int |
3054 | ev_pending_count (EV_P) EV_THROW |
3317 | ev_pending_count (EV_P) EV_NOEXCEPT |
3055 | { |
3318 | { |
3056 | int pri; |
3319 | int pri; |
3057 | unsigned int count = 0; |
3320 | unsigned int count = 0; |
3058 | |
3321 | |
3059 | for (pri = NUMPRI; pri--; ) |
3322 | for (pri = NUMPRI; pri--; ) |
3060 | count += pendingcnt [pri]; |
3323 | count += pendingcnt [pri]; |
3061 | |
3324 | |
3062 | return count; |
3325 | return count; |
3063 | } |
3326 | } |
3064 | |
3327 | |
3065 | void noinline |
3328 | noinline |
|
|
3329 | void |
3066 | ev_invoke_pending (EV_P) |
3330 | ev_invoke_pending (EV_P) |
3067 | { |
3331 | { |
3068 | pendingpri = NUMPRI; |
3332 | pendingpri = NUMPRI; |
3069 | |
3333 | |
3070 | while (pendingpri) /* pendingpri possibly gets modified in the inner loop */ |
3334 | do |
3071 | { |
3335 | { |
3072 | --pendingpri; |
3336 | --pendingpri; |
3073 | |
3337 | |
|
|
3338 | /* pendingpri possibly gets modified in the inner loop */ |
3074 | while (pendingcnt [pendingpri]) |
3339 | while (pendingcnt [pendingpri]) |
3075 | { |
3340 | { |
3076 | ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri]; |
3341 | ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri]; |
3077 | |
3342 | |
3078 | p->w->pending = 0; |
3343 | p->w->pending = 0; |
3079 | EV_CB_INVOKE (p->w, p->events); |
3344 | EV_CB_INVOKE (p->w, p->events); |
3080 | EV_FREQUENT_CHECK; |
3345 | EV_FREQUENT_CHECK; |
3081 | } |
3346 | } |
3082 | } |
3347 | } |
|
|
3348 | while (pendingpri); |
3083 | } |
3349 | } |
3084 | |
3350 | |
3085 | #if EV_IDLE_ENABLE |
3351 | #if EV_IDLE_ENABLE |
3086 | /* make idle watchers pending. this handles the "call-idle */ |
3352 | /* make idle watchers pending. this handles the "call-idle */ |
3087 | /* only when higher priorities are idle" logic */ |
3353 | /* only when higher priorities are idle" logic */ |
… | |
… | |
3145 | } |
3411 | } |
3146 | } |
3412 | } |
3147 | |
3413 | |
3148 | #if EV_PERIODIC_ENABLE |
3414 | #if EV_PERIODIC_ENABLE |
3149 | |
3415 | |
3150 | static void noinline |
3416 | noinline |
|
|
3417 | static void |
3151 | periodic_recalc (EV_P_ ev_periodic *w) |
3418 | periodic_recalc (EV_P_ ev_periodic *w) |
3152 | { |
3419 | { |
3153 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
3420 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
3154 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
3421 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
3155 | |
3422 | |
… | |
… | |
3213 | } |
3480 | } |
3214 | } |
3481 | } |
3215 | |
3482 | |
3216 | /* simply recalculate all periodics */ |
3483 | /* simply recalculate all periodics */ |
3217 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
3484 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
3218 | static void noinline ecb_cold |
3485 | noinline ecb_cold |
|
|
3486 | static void |
3219 | periodics_reschedule (EV_P) |
3487 | periodics_reschedule (EV_P) |
3220 | { |
3488 | { |
3221 | int i; |
3489 | int i; |
3222 | |
3490 | |
3223 | /* adjust periodics after time jump */ |
3491 | /* adjust periodics after time jump */ |
… | |
… | |
3236 | reheap (periodics, periodiccnt); |
3504 | reheap (periodics, periodiccnt); |
3237 | } |
3505 | } |
3238 | #endif |
3506 | #endif |
3239 | |
3507 | |
3240 | /* adjust all timers by a given offset */ |
3508 | /* adjust all timers by a given offset */ |
3241 | static void noinline ecb_cold |
3509 | noinline ecb_cold |
|
|
3510 | static void |
3242 | timers_reschedule (EV_P_ ev_tstamp adjust) |
3511 | timers_reschedule (EV_P_ ev_tstamp adjust) |
3243 | { |
3512 | { |
3244 | int i; |
3513 | int i; |
3245 | |
3514 | |
3246 | for (i = 0; i < timercnt; ++i) |
3515 | for (i = 0; i < timercnt; ++i) |
… | |
… | |
3493 | |
3762 | |
3494 | return activecnt; |
3763 | return activecnt; |
3495 | } |
3764 | } |
3496 | |
3765 | |
3497 | void |
3766 | void |
3498 | ev_break (EV_P_ int how) EV_THROW |
3767 | ev_break (EV_P_ int how) EV_NOEXCEPT |
3499 | { |
3768 | { |
3500 | loop_done = how; |
3769 | loop_done = how; |
3501 | } |
3770 | } |
3502 | |
3771 | |
3503 | void |
3772 | void |
3504 | ev_ref (EV_P) EV_THROW |
3773 | ev_ref (EV_P) EV_NOEXCEPT |
3505 | { |
3774 | { |
3506 | ++activecnt; |
3775 | ++activecnt; |
3507 | } |
3776 | } |
3508 | |
3777 | |
3509 | void |
3778 | void |
3510 | ev_unref (EV_P) EV_THROW |
3779 | ev_unref (EV_P) EV_NOEXCEPT |
3511 | { |
3780 | { |
3512 | --activecnt; |
3781 | --activecnt; |
3513 | } |
3782 | } |
3514 | |
3783 | |
3515 | void |
3784 | void |
3516 | ev_now_update (EV_P) EV_THROW |
3785 | ev_now_update (EV_P) EV_NOEXCEPT |
3517 | { |
3786 | { |
3518 | time_update (EV_A_ 1e100); |
3787 | time_update (EV_A_ 1e100); |
3519 | } |
3788 | } |
3520 | |
3789 | |
3521 | void |
3790 | void |
3522 | ev_suspend (EV_P) EV_THROW |
3791 | ev_suspend (EV_P) EV_NOEXCEPT |
3523 | { |
3792 | { |
3524 | ev_now_update (EV_A); |
3793 | ev_now_update (EV_A); |
3525 | } |
3794 | } |
3526 | |
3795 | |
3527 | void |
3796 | void |
3528 | ev_resume (EV_P) EV_THROW |
3797 | ev_resume (EV_P) EV_NOEXCEPT |
3529 | { |
3798 | { |
3530 | ev_tstamp mn_prev = mn_now; |
3799 | ev_tstamp mn_prev = mn_now; |
3531 | |
3800 | |
3532 | ev_now_update (EV_A); |
3801 | ev_now_update (EV_A); |
3533 | timers_reschedule (EV_A_ mn_now - mn_prev); |
3802 | timers_reschedule (EV_A_ mn_now - mn_prev); |
… | |
… | |
3572 | w->pending = 0; |
3841 | w->pending = 0; |
3573 | } |
3842 | } |
3574 | } |
3843 | } |
3575 | |
3844 | |
3576 | int |
3845 | int |
3577 | ev_clear_pending (EV_P_ void *w) EV_THROW |
3846 | ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT |
3578 | { |
3847 | { |
3579 | W w_ = (W)w; |
3848 | W w_ = (W)w; |
3580 | int pending = w_->pending; |
3849 | int pending = w_->pending; |
3581 | |
3850 | |
3582 | if (expect_true (pending)) |
3851 | if (expect_true (pending)) |
… | |
… | |
3614 | w->active = 0; |
3883 | w->active = 0; |
3615 | } |
3884 | } |
3616 | |
3885 | |
3617 | /*****************************************************************************/ |
3886 | /*****************************************************************************/ |
3618 | |
3887 | |
3619 | void noinline |
3888 | noinline |
|
|
3889 | void |
3620 | ev_io_start (EV_P_ ev_io *w) EV_THROW |
3890 | ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT |
3621 | { |
3891 | { |
3622 | int fd = w->fd; |
3892 | int fd = w->fd; |
3623 | |
3893 | |
3624 | if (expect_false (ev_is_active (w))) |
3894 | if (expect_false (ev_is_active (w))) |
3625 | return; |
3895 | return; |
… | |
… | |
3628 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
3898 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
3629 | |
3899 | |
3630 | EV_FREQUENT_CHECK; |
3900 | EV_FREQUENT_CHECK; |
3631 | |
3901 | |
3632 | ev_start (EV_A_ (W)w, 1); |
3902 | ev_start (EV_A_ (W)w, 1); |
3633 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
3903 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill); |
3634 | wlist_add (&anfds[fd].head, (WL)w); |
3904 | wlist_add (&anfds[fd].head, (WL)w); |
3635 | |
3905 | |
3636 | /* common bug, apparently */ |
3906 | /* common bug, apparently */ |
3637 | assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w)); |
3907 | assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w)); |
3638 | |
3908 | |
… | |
… | |
3640 | w->events &= ~EV__IOFDSET; |
3910 | w->events &= ~EV__IOFDSET; |
3641 | |
3911 | |
3642 | EV_FREQUENT_CHECK; |
3912 | EV_FREQUENT_CHECK; |
3643 | } |
3913 | } |
3644 | |
3914 | |
3645 | void noinline |
3915 | noinline |
|
|
3916 | void |
3646 | ev_io_stop (EV_P_ ev_io *w) EV_THROW |
3917 | ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT |
3647 | { |
3918 | { |
3648 | clear_pending (EV_A_ (W)w); |
3919 | clear_pending (EV_A_ (W)w); |
3649 | if (expect_false (!ev_is_active (w))) |
3920 | if (expect_false (!ev_is_active (w))) |
3650 | return; |
3921 | return; |
3651 | |
3922 | |
… | |
… | |
3659 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
3930 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
3660 | |
3931 | |
3661 | EV_FREQUENT_CHECK; |
3932 | EV_FREQUENT_CHECK; |
3662 | } |
3933 | } |
3663 | |
3934 | |
3664 | void noinline |
3935 | noinline |
|
|
3936 | void |
3665 | ev_timer_start (EV_P_ ev_timer *w) EV_THROW |
3937 | ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT |
3666 | { |
3938 | { |
3667 | if (expect_false (ev_is_active (w))) |
3939 | if (expect_false (ev_is_active (w))) |
3668 | return; |
3940 | return; |
3669 | |
3941 | |
3670 | ev_at (w) += mn_now; |
3942 | ev_at (w) += mn_now; |
… | |
… | |
3673 | |
3945 | |
3674 | EV_FREQUENT_CHECK; |
3946 | EV_FREQUENT_CHECK; |
3675 | |
3947 | |
3676 | ++timercnt; |
3948 | ++timercnt; |
3677 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
3949 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
3678 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2); |
3950 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, array_needsize_noinit); |
3679 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
3951 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
3680 | ANHE_at_cache (timers [ev_active (w)]); |
3952 | ANHE_at_cache (timers [ev_active (w)]); |
3681 | upheap (timers, ev_active (w)); |
3953 | upheap (timers, ev_active (w)); |
3682 | |
3954 | |
3683 | EV_FREQUENT_CHECK; |
3955 | EV_FREQUENT_CHECK; |
3684 | |
3956 | |
3685 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
3957 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
3686 | } |
3958 | } |
3687 | |
3959 | |
3688 | void noinline |
3960 | noinline |
|
|
3961 | void |
3689 | ev_timer_stop (EV_P_ ev_timer *w) EV_THROW |
3962 | ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT |
3690 | { |
3963 | { |
3691 | clear_pending (EV_A_ (W)w); |
3964 | clear_pending (EV_A_ (W)w); |
3692 | if (expect_false (!ev_is_active (w))) |
3965 | if (expect_false (!ev_is_active (w))) |
3693 | return; |
3966 | return; |
3694 | |
3967 | |
… | |
… | |
3713 | ev_stop (EV_A_ (W)w); |
3986 | ev_stop (EV_A_ (W)w); |
3714 | |
3987 | |
3715 | EV_FREQUENT_CHECK; |
3988 | EV_FREQUENT_CHECK; |
3716 | } |
3989 | } |
3717 | |
3990 | |
3718 | void noinline |
3991 | noinline |
|
|
3992 | void |
3719 | ev_timer_again (EV_P_ ev_timer *w) EV_THROW |
3993 | ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT |
3720 | { |
3994 | { |
3721 | EV_FREQUENT_CHECK; |
3995 | EV_FREQUENT_CHECK; |
3722 | |
3996 | |
3723 | clear_pending (EV_A_ (W)w); |
3997 | clear_pending (EV_A_ (W)w); |
3724 | |
3998 | |
… | |
… | |
3741 | |
4015 | |
3742 | EV_FREQUENT_CHECK; |
4016 | EV_FREQUENT_CHECK; |
3743 | } |
4017 | } |
3744 | |
4018 | |
3745 | ev_tstamp |
4019 | ev_tstamp |
3746 | ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW |
4020 | ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT |
3747 | { |
4021 | { |
3748 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
4022 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
3749 | } |
4023 | } |
3750 | |
4024 | |
3751 | #if EV_PERIODIC_ENABLE |
4025 | #if EV_PERIODIC_ENABLE |
3752 | void noinline |
4026 | noinline |
|
|
4027 | void |
3753 | ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW |
4028 | ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT |
3754 | { |
4029 | { |
3755 | if (expect_false (ev_is_active (w))) |
4030 | if (expect_false (ev_is_active (w))) |
3756 | return; |
4031 | return; |
3757 | |
4032 | |
3758 | if (w->reschedule_cb) |
4033 | if (w->reschedule_cb) |
… | |
… | |
3767 | |
4042 | |
3768 | EV_FREQUENT_CHECK; |
4043 | EV_FREQUENT_CHECK; |
3769 | |
4044 | |
3770 | ++periodiccnt; |
4045 | ++periodiccnt; |
3771 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
4046 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
3772 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2); |
4047 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, array_needsize_noinit); |
3773 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
4048 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
3774 | ANHE_at_cache (periodics [ev_active (w)]); |
4049 | ANHE_at_cache (periodics [ev_active (w)]); |
3775 | upheap (periodics, ev_active (w)); |
4050 | upheap (periodics, ev_active (w)); |
3776 | |
4051 | |
3777 | EV_FREQUENT_CHECK; |
4052 | EV_FREQUENT_CHECK; |
3778 | |
4053 | |
3779 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
4054 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
3780 | } |
4055 | } |
3781 | |
4056 | |
3782 | void noinline |
4057 | noinline |
|
|
4058 | void |
3783 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW |
4059 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT |
3784 | { |
4060 | { |
3785 | clear_pending (EV_A_ (W)w); |
4061 | clear_pending (EV_A_ (W)w); |
3786 | if (expect_false (!ev_is_active (w))) |
4062 | if (expect_false (!ev_is_active (w))) |
3787 | return; |
4063 | return; |
3788 | |
4064 | |
… | |
… | |
3805 | ev_stop (EV_A_ (W)w); |
4081 | ev_stop (EV_A_ (W)w); |
3806 | |
4082 | |
3807 | EV_FREQUENT_CHECK; |
4083 | EV_FREQUENT_CHECK; |
3808 | } |
4084 | } |
3809 | |
4085 | |
3810 | void noinline |
4086 | noinline |
|
|
4087 | void |
3811 | ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW |
4088 | ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT |
3812 | { |
4089 | { |
3813 | /* TODO: use adjustheap and recalculation */ |
4090 | /* TODO: use adjustheap and recalculation */ |
3814 | ev_periodic_stop (EV_A_ w); |
4091 | ev_periodic_stop (EV_A_ w); |
3815 | ev_periodic_start (EV_A_ w); |
4092 | ev_periodic_start (EV_A_ w); |
3816 | } |
4093 | } |
… | |
… | |
3820 | # define SA_RESTART 0 |
4097 | # define SA_RESTART 0 |
3821 | #endif |
4098 | #endif |
3822 | |
4099 | |
3823 | #if EV_SIGNAL_ENABLE |
4100 | #if EV_SIGNAL_ENABLE |
3824 | |
4101 | |
3825 | void noinline |
4102 | noinline |
|
|
4103 | void |
3826 | ev_signal_start (EV_P_ ev_signal *w) EV_THROW |
4104 | ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT |
3827 | { |
4105 | { |
3828 | if (expect_false (ev_is_active (w))) |
4106 | if (expect_false (ev_is_active (w))) |
3829 | return; |
4107 | return; |
3830 | |
4108 | |
3831 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
4109 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
… | |
… | |
3902 | } |
4180 | } |
3903 | |
4181 | |
3904 | EV_FREQUENT_CHECK; |
4182 | EV_FREQUENT_CHECK; |
3905 | } |
4183 | } |
3906 | |
4184 | |
3907 | void noinline |
4185 | noinline |
|
|
4186 | void |
3908 | ev_signal_stop (EV_P_ ev_signal *w) EV_THROW |
4187 | ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT |
3909 | { |
4188 | { |
3910 | clear_pending (EV_A_ (W)w); |
4189 | clear_pending (EV_A_ (W)w); |
3911 | if (expect_false (!ev_is_active (w))) |
4190 | if (expect_false (!ev_is_active (w))) |
3912 | return; |
4191 | return; |
3913 | |
4192 | |
… | |
… | |
3944 | #endif |
4223 | #endif |
3945 | |
4224 | |
3946 | #if EV_CHILD_ENABLE |
4225 | #if EV_CHILD_ENABLE |
3947 | |
4226 | |
3948 | void |
4227 | void |
3949 | ev_child_start (EV_P_ ev_child *w) EV_THROW |
4228 | ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT |
3950 | { |
4229 | { |
3951 | #if EV_MULTIPLICITY |
4230 | #if EV_MULTIPLICITY |
3952 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
4231 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
3953 | #endif |
4232 | #endif |
3954 | if (expect_false (ev_is_active (w))) |
4233 | if (expect_false (ev_is_active (w))) |
… | |
… | |
3961 | |
4240 | |
3962 | EV_FREQUENT_CHECK; |
4241 | EV_FREQUENT_CHECK; |
3963 | } |
4242 | } |
3964 | |
4243 | |
3965 | void |
4244 | void |
3966 | ev_child_stop (EV_P_ ev_child *w) EV_THROW |
4245 | ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT |
3967 | { |
4246 | { |
3968 | clear_pending (EV_A_ (W)w); |
4247 | clear_pending (EV_A_ (W)w); |
3969 | if (expect_false (!ev_is_active (w))) |
4248 | if (expect_false (!ev_is_active (w))) |
3970 | return; |
4249 | return; |
3971 | |
4250 | |
… | |
… | |
3988 | |
4267 | |
3989 | #define DEF_STAT_INTERVAL 5.0074891 |
4268 | #define DEF_STAT_INTERVAL 5.0074891 |
3990 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
4269 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
3991 | #define MIN_STAT_INTERVAL 0.1074891 |
4270 | #define MIN_STAT_INTERVAL 0.1074891 |
3992 | |
4271 | |
3993 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
4272 | noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
3994 | |
4273 | |
3995 | #if EV_USE_INOTIFY |
4274 | #if EV_USE_INOTIFY |
3996 | |
4275 | |
3997 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
4276 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
3998 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
4277 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
3999 | |
4278 | |
4000 | static void noinline |
4279 | noinline |
|
|
4280 | static void |
4001 | infy_add (EV_P_ ev_stat *w) |
4281 | infy_add (EV_P_ ev_stat *w) |
4002 | { |
4282 | { |
4003 | w->wd = inotify_add_watch (fs_fd, w->path, |
4283 | w->wd = inotify_add_watch (fs_fd, w->path, |
4004 | IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY |
4284 | IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY |
4005 | | IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO |
4285 | | IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO |
… | |
… | |
4069 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
4349 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
4070 | ev_timer_again (EV_A_ &w->timer); |
4350 | ev_timer_again (EV_A_ &w->timer); |
4071 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
4351 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
4072 | } |
4352 | } |
4073 | |
4353 | |
4074 | static void noinline |
4354 | noinline |
|
|
4355 | static void |
4075 | infy_del (EV_P_ ev_stat *w) |
4356 | infy_del (EV_P_ ev_stat *w) |
4076 | { |
4357 | { |
4077 | int slot; |
4358 | int slot; |
4078 | int wd = w->wd; |
4359 | int wd = w->wd; |
4079 | |
4360 | |
… | |
… | |
4086 | |
4367 | |
4087 | /* remove this watcher, if others are watching it, they will rearm */ |
4368 | /* remove this watcher, if others are watching it, they will rearm */ |
4088 | inotify_rm_watch (fs_fd, wd); |
4369 | inotify_rm_watch (fs_fd, wd); |
4089 | } |
4370 | } |
4090 | |
4371 | |
4091 | static void noinline |
4372 | noinline |
|
|
4373 | static void |
4092 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
4374 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
4093 | { |
4375 | { |
4094 | if (slot < 0) |
4376 | if (slot < 0) |
4095 | /* overflow, need to check for all hash slots */ |
4377 | /* overflow, need to check for all hash slots */ |
4096 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
4378 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
… | |
… | |
4132 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
4414 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
4133 | ofs += sizeof (struct inotify_event) + ev->len; |
4415 | ofs += sizeof (struct inotify_event) + ev->len; |
4134 | } |
4416 | } |
4135 | } |
4417 | } |
4136 | |
4418 | |
4137 | inline_size void ecb_cold |
4419 | inline_size ecb_cold |
|
|
4420 | void |
4138 | ev_check_2625 (EV_P) |
4421 | ev_check_2625 (EV_P) |
4139 | { |
4422 | { |
4140 | /* kernels < 2.6.25 are borked |
4423 | /* kernels < 2.6.25 are borked |
4141 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
4424 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
4142 | */ |
4425 | */ |
… | |
… | |
4232 | #else |
4515 | #else |
4233 | # define EV_LSTAT(p,b) lstat (p, b) |
4516 | # define EV_LSTAT(p,b) lstat (p, b) |
4234 | #endif |
4517 | #endif |
4235 | |
4518 | |
4236 | void |
4519 | void |
4237 | ev_stat_stat (EV_P_ ev_stat *w) EV_THROW |
4520 | ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT |
4238 | { |
4521 | { |
4239 | if (lstat (w->path, &w->attr) < 0) |
4522 | if (lstat (w->path, &w->attr) < 0) |
4240 | w->attr.st_nlink = 0; |
4523 | w->attr.st_nlink = 0; |
4241 | else if (!w->attr.st_nlink) |
4524 | else if (!w->attr.st_nlink) |
4242 | w->attr.st_nlink = 1; |
4525 | w->attr.st_nlink = 1; |
4243 | } |
4526 | } |
4244 | |
4527 | |
4245 | static void noinline |
4528 | noinline |
|
|
4529 | static void |
4246 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
4530 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
4247 | { |
4531 | { |
4248 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
4532 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
4249 | |
4533 | |
4250 | ev_statdata prev = w->attr; |
4534 | ev_statdata prev = w->attr; |
… | |
… | |
4281 | ev_feed_event (EV_A_ w, EV_STAT); |
4565 | ev_feed_event (EV_A_ w, EV_STAT); |
4282 | } |
4566 | } |
4283 | } |
4567 | } |
4284 | |
4568 | |
4285 | void |
4569 | void |
4286 | ev_stat_start (EV_P_ ev_stat *w) EV_THROW |
4570 | ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT |
4287 | { |
4571 | { |
4288 | if (expect_false (ev_is_active (w))) |
4572 | if (expect_false (ev_is_active (w))) |
4289 | return; |
4573 | return; |
4290 | |
4574 | |
4291 | ev_stat_stat (EV_A_ w); |
4575 | ev_stat_stat (EV_A_ w); |
… | |
… | |
4312 | |
4596 | |
4313 | EV_FREQUENT_CHECK; |
4597 | EV_FREQUENT_CHECK; |
4314 | } |
4598 | } |
4315 | |
4599 | |
4316 | void |
4600 | void |
4317 | ev_stat_stop (EV_P_ ev_stat *w) EV_THROW |
4601 | ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT |
4318 | { |
4602 | { |
4319 | clear_pending (EV_A_ (W)w); |
4603 | clear_pending (EV_A_ (W)w); |
4320 | if (expect_false (!ev_is_active (w))) |
4604 | if (expect_false (!ev_is_active (w))) |
4321 | return; |
4605 | return; |
4322 | |
4606 | |
… | |
… | |
4338 | } |
4622 | } |
4339 | #endif |
4623 | #endif |
4340 | |
4624 | |
4341 | #if EV_IDLE_ENABLE |
4625 | #if EV_IDLE_ENABLE |
4342 | void |
4626 | void |
4343 | ev_idle_start (EV_P_ ev_idle *w) EV_THROW |
4627 | ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT |
4344 | { |
4628 | { |
4345 | if (expect_false (ev_is_active (w))) |
4629 | if (expect_false (ev_is_active (w))) |
4346 | return; |
4630 | return; |
4347 | |
4631 | |
4348 | pri_adjust (EV_A_ (W)w); |
4632 | pri_adjust (EV_A_ (W)w); |
… | |
… | |
4353 | int active = ++idlecnt [ABSPRI (w)]; |
4637 | int active = ++idlecnt [ABSPRI (w)]; |
4354 | |
4638 | |
4355 | ++idleall; |
4639 | ++idleall; |
4356 | ev_start (EV_A_ (W)w, active); |
4640 | ev_start (EV_A_ (W)w, active); |
4357 | |
4641 | |
4358 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
4642 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, array_needsize_noinit); |
4359 | idles [ABSPRI (w)][active - 1] = w; |
4643 | idles [ABSPRI (w)][active - 1] = w; |
4360 | } |
4644 | } |
4361 | |
4645 | |
4362 | EV_FREQUENT_CHECK; |
4646 | EV_FREQUENT_CHECK; |
4363 | } |
4647 | } |
4364 | |
4648 | |
4365 | void |
4649 | void |
4366 | ev_idle_stop (EV_P_ ev_idle *w) EV_THROW |
4650 | ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT |
4367 | { |
4651 | { |
4368 | clear_pending (EV_A_ (W)w); |
4652 | clear_pending (EV_A_ (W)w); |
4369 | if (expect_false (!ev_is_active (w))) |
4653 | if (expect_false (!ev_is_active (w))) |
4370 | return; |
4654 | return; |
4371 | |
4655 | |
… | |
… | |
4385 | } |
4669 | } |
4386 | #endif |
4670 | #endif |
4387 | |
4671 | |
4388 | #if EV_PREPARE_ENABLE |
4672 | #if EV_PREPARE_ENABLE |
4389 | void |
4673 | void |
4390 | ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW |
4674 | ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT |
4391 | { |
4675 | { |
4392 | if (expect_false (ev_is_active (w))) |
4676 | if (expect_false (ev_is_active (w))) |
4393 | return; |
4677 | return; |
4394 | |
4678 | |
4395 | EV_FREQUENT_CHECK; |
4679 | EV_FREQUENT_CHECK; |
4396 | |
4680 | |
4397 | ev_start (EV_A_ (W)w, ++preparecnt); |
4681 | ev_start (EV_A_ (W)w, ++preparecnt); |
4398 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
4682 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, array_needsize_noinit); |
4399 | prepares [preparecnt - 1] = w; |
4683 | prepares [preparecnt - 1] = w; |
4400 | |
4684 | |
4401 | EV_FREQUENT_CHECK; |
4685 | EV_FREQUENT_CHECK; |
4402 | } |
4686 | } |
4403 | |
4687 | |
4404 | void |
4688 | void |
4405 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW |
4689 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT |
4406 | { |
4690 | { |
4407 | clear_pending (EV_A_ (W)w); |
4691 | clear_pending (EV_A_ (W)w); |
4408 | if (expect_false (!ev_is_active (w))) |
4692 | if (expect_false (!ev_is_active (w))) |
4409 | return; |
4693 | return; |
4410 | |
4694 | |
… | |
… | |
4423 | } |
4707 | } |
4424 | #endif |
4708 | #endif |
4425 | |
4709 | |
4426 | #if EV_CHECK_ENABLE |
4710 | #if EV_CHECK_ENABLE |
4427 | void |
4711 | void |
4428 | ev_check_start (EV_P_ ev_check *w) EV_THROW |
4712 | ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT |
4429 | { |
4713 | { |
4430 | if (expect_false (ev_is_active (w))) |
4714 | if (expect_false (ev_is_active (w))) |
4431 | return; |
4715 | return; |
4432 | |
4716 | |
4433 | EV_FREQUENT_CHECK; |
4717 | EV_FREQUENT_CHECK; |
4434 | |
4718 | |
4435 | ev_start (EV_A_ (W)w, ++checkcnt); |
4719 | ev_start (EV_A_ (W)w, ++checkcnt); |
4436 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
4720 | array_needsize (ev_check *, checks, checkmax, checkcnt, array_needsize_noinit); |
4437 | checks [checkcnt - 1] = w; |
4721 | checks [checkcnt - 1] = w; |
4438 | |
4722 | |
4439 | EV_FREQUENT_CHECK; |
4723 | EV_FREQUENT_CHECK; |
4440 | } |
4724 | } |
4441 | |
4725 | |
4442 | void |
4726 | void |
4443 | ev_check_stop (EV_P_ ev_check *w) EV_THROW |
4727 | ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT |
4444 | { |
4728 | { |
4445 | clear_pending (EV_A_ (W)w); |
4729 | clear_pending (EV_A_ (W)w); |
4446 | if (expect_false (!ev_is_active (w))) |
4730 | if (expect_false (!ev_is_active (w))) |
4447 | return; |
4731 | return; |
4448 | |
4732 | |
… | |
… | |
4460 | EV_FREQUENT_CHECK; |
4744 | EV_FREQUENT_CHECK; |
4461 | } |
4745 | } |
4462 | #endif |
4746 | #endif |
4463 | |
4747 | |
4464 | #if EV_EMBED_ENABLE |
4748 | #if EV_EMBED_ENABLE |
4465 | void noinline |
4749 | noinline |
|
|
4750 | void |
4466 | ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW |
4751 | ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT |
4467 | { |
4752 | { |
4468 | ev_run (w->other, EVRUN_NOWAIT); |
4753 | ev_run (w->other, EVRUN_NOWAIT); |
4469 | } |
4754 | } |
4470 | |
4755 | |
4471 | static void |
4756 | static void |
… | |
… | |
4519 | ev_idle_stop (EV_A_ idle); |
4804 | ev_idle_stop (EV_A_ idle); |
4520 | } |
4805 | } |
4521 | #endif |
4806 | #endif |
4522 | |
4807 | |
4523 | void |
4808 | void |
4524 | ev_embed_start (EV_P_ ev_embed *w) EV_THROW |
4809 | ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT |
4525 | { |
4810 | { |
4526 | if (expect_false (ev_is_active (w))) |
4811 | if (expect_false (ev_is_active (w))) |
4527 | return; |
4812 | return; |
4528 | |
4813 | |
4529 | { |
4814 | { |
… | |
… | |
4550 | |
4835 | |
4551 | EV_FREQUENT_CHECK; |
4836 | EV_FREQUENT_CHECK; |
4552 | } |
4837 | } |
4553 | |
4838 | |
4554 | void |
4839 | void |
4555 | ev_embed_stop (EV_P_ ev_embed *w) EV_THROW |
4840 | ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT |
4556 | { |
4841 | { |
4557 | clear_pending (EV_A_ (W)w); |
4842 | clear_pending (EV_A_ (W)w); |
4558 | if (expect_false (!ev_is_active (w))) |
4843 | if (expect_false (!ev_is_active (w))) |
4559 | return; |
4844 | return; |
4560 | |
4845 | |
… | |
… | |
4570 | } |
4855 | } |
4571 | #endif |
4856 | #endif |
4572 | |
4857 | |
4573 | #if EV_FORK_ENABLE |
4858 | #if EV_FORK_ENABLE |
4574 | void |
4859 | void |
4575 | ev_fork_start (EV_P_ ev_fork *w) EV_THROW |
4860 | ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT |
4576 | { |
4861 | { |
4577 | if (expect_false (ev_is_active (w))) |
4862 | if (expect_false (ev_is_active (w))) |
4578 | return; |
4863 | return; |
4579 | |
4864 | |
4580 | EV_FREQUENT_CHECK; |
4865 | EV_FREQUENT_CHECK; |
4581 | |
4866 | |
4582 | ev_start (EV_A_ (W)w, ++forkcnt); |
4867 | ev_start (EV_A_ (W)w, ++forkcnt); |
4583 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
4868 | array_needsize (ev_fork *, forks, forkmax, forkcnt, array_needsize_noinit); |
4584 | forks [forkcnt - 1] = w; |
4869 | forks [forkcnt - 1] = w; |
4585 | |
4870 | |
4586 | EV_FREQUENT_CHECK; |
4871 | EV_FREQUENT_CHECK; |
4587 | } |
4872 | } |
4588 | |
4873 | |
4589 | void |
4874 | void |
4590 | ev_fork_stop (EV_P_ ev_fork *w) EV_THROW |
4875 | ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT |
4591 | { |
4876 | { |
4592 | clear_pending (EV_A_ (W)w); |
4877 | clear_pending (EV_A_ (W)w); |
4593 | if (expect_false (!ev_is_active (w))) |
4878 | if (expect_false (!ev_is_active (w))) |
4594 | return; |
4879 | return; |
4595 | |
4880 | |
… | |
… | |
4608 | } |
4893 | } |
4609 | #endif |
4894 | #endif |
4610 | |
4895 | |
4611 | #if EV_CLEANUP_ENABLE |
4896 | #if EV_CLEANUP_ENABLE |
4612 | void |
4897 | void |
4613 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW |
4898 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
4614 | { |
4899 | { |
4615 | if (expect_false (ev_is_active (w))) |
4900 | if (expect_false (ev_is_active (w))) |
4616 | return; |
4901 | return; |
4617 | |
4902 | |
4618 | EV_FREQUENT_CHECK; |
4903 | EV_FREQUENT_CHECK; |
4619 | |
4904 | |
4620 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
4905 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
4621 | array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2); |
4906 | array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, array_needsize_noinit); |
4622 | cleanups [cleanupcnt - 1] = w; |
4907 | cleanups [cleanupcnt - 1] = w; |
4623 | |
4908 | |
4624 | /* cleanup watchers should never keep a refcount on the loop */ |
4909 | /* cleanup watchers should never keep a refcount on the loop */ |
4625 | ev_unref (EV_A); |
4910 | ev_unref (EV_A); |
4626 | EV_FREQUENT_CHECK; |
4911 | EV_FREQUENT_CHECK; |
4627 | } |
4912 | } |
4628 | |
4913 | |
4629 | void |
4914 | void |
4630 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW |
4915 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
4631 | { |
4916 | { |
4632 | clear_pending (EV_A_ (W)w); |
4917 | clear_pending (EV_A_ (W)w); |
4633 | if (expect_false (!ev_is_active (w))) |
4918 | if (expect_false (!ev_is_active (w))) |
4634 | return; |
4919 | return; |
4635 | |
4920 | |
… | |
… | |
4649 | } |
4934 | } |
4650 | #endif |
4935 | #endif |
4651 | |
4936 | |
4652 | #if EV_ASYNC_ENABLE |
4937 | #if EV_ASYNC_ENABLE |
4653 | void |
4938 | void |
4654 | ev_async_start (EV_P_ ev_async *w) EV_THROW |
4939 | ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT |
4655 | { |
4940 | { |
4656 | if (expect_false (ev_is_active (w))) |
4941 | if (expect_false (ev_is_active (w))) |
4657 | return; |
4942 | return; |
4658 | |
4943 | |
4659 | w->sent = 0; |
4944 | w->sent = 0; |
… | |
… | |
4661 | evpipe_init (EV_A); |
4946 | evpipe_init (EV_A); |
4662 | |
4947 | |
4663 | EV_FREQUENT_CHECK; |
4948 | EV_FREQUENT_CHECK; |
4664 | |
4949 | |
4665 | ev_start (EV_A_ (W)w, ++asynccnt); |
4950 | ev_start (EV_A_ (W)w, ++asynccnt); |
4666 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
4951 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, array_needsize_noinit); |
4667 | asyncs [asynccnt - 1] = w; |
4952 | asyncs [asynccnt - 1] = w; |
4668 | |
4953 | |
4669 | EV_FREQUENT_CHECK; |
4954 | EV_FREQUENT_CHECK; |
4670 | } |
4955 | } |
4671 | |
4956 | |
4672 | void |
4957 | void |
4673 | ev_async_stop (EV_P_ ev_async *w) EV_THROW |
4958 | ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT |
4674 | { |
4959 | { |
4675 | clear_pending (EV_A_ (W)w); |
4960 | clear_pending (EV_A_ (W)w); |
4676 | if (expect_false (!ev_is_active (w))) |
4961 | if (expect_false (!ev_is_active (w))) |
4677 | return; |
4962 | return; |
4678 | |
4963 | |
… | |
… | |
4689 | |
4974 | |
4690 | EV_FREQUENT_CHECK; |
4975 | EV_FREQUENT_CHECK; |
4691 | } |
4976 | } |
4692 | |
4977 | |
4693 | void |
4978 | void |
4694 | ev_async_send (EV_P_ ev_async *w) EV_THROW |
4979 | ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT |
4695 | { |
4980 | { |
4696 | w->sent = 1; |
4981 | w->sent = 1; |
4697 | evpipe_write (EV_A_ &async_pending); |
4982 | evpipe_write (EV_A_ &async_pending); |
4698 | } |
4983 | } |
4699 | #endif |
4984 | #endif |
… | |
… | |
4736 | |
5021 | |
4737 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
5022 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
4738 | } |
5023 | } |
4739 | |
5024 | |
4740 | void |
5025 | void |
4741 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW |
5026 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT |
4742 | { |
5027 | { |
4743 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
5028 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
4744 | |
|
|
4745 | if (expect_false (!once)) |
|
|
4746 | { |
|
|
4747 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg); |
|
|
4748 | return; |
|
|
4749 | } |
|
|
4750 | |
5029 | |
4751 | once->cb = cb; |
5030 | once->cb = cb; |
4752 | once->arg = arg; |
5031 | once->arg = arg; |
4753 | |
5032 | |
4754 | ev_init (&once->io, once_cb_io); |
5033 | ev_init (&once->io, once_cb_io); |
… | |
… | |
4767 | } |
5046 | } |
4768 | |
5047 | |
4769 | /*****************************************************************************/ |
5048 | /*****************************************************************************/ |
4770 | |
5049 | |
4771 | #if EV_WALK_ENABLE |
5050 | #if EV_WALK_ENABLE |
4772 | void ecb_cold |
5051 | ecb_cold |
|
|
5052 | void |
4773 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW |
5053 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT |
4774 | { |
5054 | { |
4775 | int i, j; |
5055 | int i, j; |
4776 | ev_watcher_list *wl, *wn; |
5056 | ev_watcher_list *wl, *wn; |
4777 | |
5057 | |
4778 | if (types & (EV_IO | EV_EMBED)) |
5058 | if (types & (EV_IO | EV_EMBED)) |