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 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007,2008,2009,2010,2011,2012 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 | * |
… | |
… | |
59 | # endif |
59 | # endif |
60 | # ifndef EV_USE_MONOTONIC |
60 | # ifndef EV_USE_MONOTONIC |
61 | # define EV_USE_MONOTONIC 1 |
61 | # define EV_USE_MONOTONIC 1 |
62 | # endif |
62 | # endif |
63 | # endif |
63 | # endif |
64 | # elif !defined(EV_USE_CLOCK_SYSCALL) |
64 | # elif !defined EV_USE_CLOCK_SYSCALL |
65 | # define EV_USE_CLOCK_SYSCALL 0 |
65 | # define EV_USE_CLOCK_SYSCALL 0 |
66 | # endif |
66 | # endif |
67 | |
67 | |
68 | # if HAVE_CLOCK_GETTIME |
68 | # if HAVE_CLOCK_GETTIME |
69 | # ifndef EV_USE_MONOTONIC |
69 | # ifndef EV_USE_MONOTONIC |
… | |
… | |
183 | # include EV_H |
183 | # include EV_H |
184 | #else |
184 | #else |
185 | # include "ev.h" |
185 | # include "ev.h" |
186 | #endif |
186 | #endif |
187 | |
187 | |
188 | EV_CPP(extern "C" {) |
188 | #if EV_NO_THREADS |
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189 | # undef EV_NO_SMP |
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190 | # define EV_NO_SMP 1 |
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191 | # undef ECB_NO_THREADS |
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192 | # define ECB_NO_THREADS 1 |
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193 | #endif |
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194 | #if EV_NO_SMP |
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195 | # undef EV_NO_SMP |
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196 | # define ECB_NO_SMP 1 |
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197 | #endif |
189 | |
198 | |
190 | #ifndef _WIN32 |
199 | #ifndef _WIN32 |
191 | # include <sys/time.h> |
200 | # include <sys/time.h> |
192 | # include <sys/wait.h> |
201 | # include <sys/wait.h> |
193 | # include <unistd.h> |
202 | # include <unistd.h> |
… | |
… | |
210 | #define _DARWIN_UNLIMITED_SELECT 1 |
219 | #define _DARWIN_UNLIMITED_SELECT 1 |
211 | |
220 | |
212 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
221 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
213 | |
222 | |
214 | /* try to deduce the maximum number of signals on this platform */ |
223 | /* try to deduce the maximum number of signals on this platform */ |
215 | #if defined (EV_NSIG) |
224 | #if defined EV_NSIG |
216 | /* use what's provided */ |
225 | /* use what's provided */ |
217 | #elif defined (NSIG) |
226 | #elif defined NSIG |
218 | # define EV_NSIG (NSIG) |
227 | # define EV_NSIG (NSIG) |
219 | #elif defined(_NSIG) |
228 | #elif defined _NSIG |
220 | # define EV_NSIG (_NSIG) |
229 | # define EV_NSIG (_NSIG) |
221 | #elif defined (SIGMAX) |
230 | #elif defined SIGMAX |
222 | # define EV_NSIG (SIGMAX+1) |
231 | # define EV_NSIG (SIGMAX+1) |
223 | #elif defined (SIG_MAX) |
232 | #elif defined SIG_MAX |
224 | # define EV_NSIG (SIG_MAX+1) |
233 | # define EV_NSIG (SIG_MAX+1) |
225 | #elif defined (_SIG_MAX) |
234 | #elif defined _SIG_MAX |
226 | # define EV_NSIG (_SIG_MAX+1) |
235 | # define EV_NSIG (_SIG_MAX+1) |
227 | #elif defined (MAXSIG) |
236 | #elif defined MAXSIG |
228 | # define EV_NSIG (MAXSIG+1) |
237 | # define EV_NSIG (MAXSIG+1) |
229 | #elif defined (MAX_SIG) |
238 | #elif defined MAX_SIG |
230 | # define EV_NSIG (MAX_SIG+1) |
239 | # define EV_NSIG (MAX_SIG+1) |
231 | #elif defined (SIGARRAYSIZE) |
240 | #elif defined SIGARRAYSIZE |
232 | # define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ |
241 | # define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ |
233 | #elif defined (_sys_nsig) |
242 | #elif defined _sys_nsig |
234 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
243 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
235 | #else |
244 | #else |
236 | # error "unable to find value for NSIG, please report" |
245 | # error "unable to find value for NSIG, please report" |
237 | /* to make it compile regardless, just remove the above line, */ |
246 | /* to make it compile regardless, just remove the above line, */ |
238 | /* but consider reporting it, too! :) */ |
247 | /* but consider reporting it, too! :) */ |
… | |
… | |
250 | # define EV_USE_CLOCK_SYSCALL 0 |
259 | # define EV_USE_CLOCK_SYSCALL 0 |
251 | # endif |
260 | # endif |
252 | #endif |
261 | #endif |
253 | |
262 | |
254 | #ifndef EV_USE_MONOTONIC |
263 | #ifndef EV_USE_MONOTONIC |
255 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
264 | # if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0 |
256 | # define EV_USE_MONOTONIC EV_FEATURE_OS |
265 | # define EV_USE_MONOTONIC EV_FEATURE_OS |
257 | # else |
266 | # else |
258 | # define EV_USE_MONOTONIC 0 |
267 | # define EV_USE_MONOTONIC 0 |
259 | # endif |
268 | # endif |
260 | #endif |
269 | #endif |
… | |
… | |
386 | # define EV_USE_INOTIFY 0 |
395 | # define EV_USE_INOTIFY 0 |
387 | #endif |
396 | #endif |
388 | |
397 | |
389 | #if !EV_USE_NANOSLEEP |
398 | #if !EV_USE_NANOSLEEP |
390 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
399 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
391 | # if !defined(_WIN32) && !defined(__hpux) |
400 | # if !defined _WIN32 && !defined __hpux |
392 | # include <sys/select.h> |
401 | # include <sys/select.h> |
393 | # endif |
402 | # endif |
394 | #endif |
403 | #endif |
395 | |
404 | |
396 | #if EV_USE_INOTIFY |
405 | #if EV_USE_INOTIFY |
… | |
… | |
464 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
473 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
465 | |
474 | |
466 | #define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) |
475 | #define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) |
467 | #define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0) |
476 | #define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0) |
468 | |
477 | |
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478 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
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479 | /* ECB.H BEGIN */ |
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480 | /* |
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481 | * libecb - http://software.schmorp.de/pkg/libecb |
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482 | * |
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483 | * Copyright (©) 2009-2012 Marc Alexander Lehmann <libecb@schmorp.de> |
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484 | * Copyright (©) 2011 Emanuele Giaquinta |
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485 | * All rights reserved. |
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486 | * |
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487 | * Redistribution and use in source and binary forms, with or without modifica- |
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488 | * tion, are permitted provided that the following conditions are met: |
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489 | * |
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490 | * 1. Redistributions of source code must retain the above copyright notice, |
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491 | * this list of conditions and the following disclaimer. |
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492 | * |
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493 | * 2. Redistributions in binary form must reproduce the above copyright |
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494 | * notice, this list of conditions and the following disclaimer in the |
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495 | * documentation and/or other materials provided with the distribution. |
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496 | * |
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497 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
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498 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- |
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499 | * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
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500 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- |
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501 | * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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502 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
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503 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
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504 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
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505 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
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506 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
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507 | */ |
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508 | |
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509 | #ifndef ECB_H |
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510 | #define ECB_H |
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511 | |
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512 | #ifdef _WIN32 |
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513 | typedef signed char int8_t; |
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514 | typedef unsigned char uint8_t; |
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515 | typedef signed short int16_t; |
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516 | typedef unsigned short uint16_t; |
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517 | typedef signed int int32_t; |
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518 | typedef unsigned int uint32_t; |
469 | #if __GNUC__ >= 4 |
519 | #if __GNUC__ |
470 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
520 | typedef signed long long int64_t; |
471 | # define noinline __attribute__ ((noinline)) |
521 | typedef unsigned long long uint64_t; |
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522 | #else /* _MSC_VER || __BORLANDC__ */ |
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523 | typedef signed __int64 int64_t; |
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524 | typedef unsigned __int64 uint64_t; |
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525 | #endif |
472 | #else |
526 | #else |
473 | # define expect(expr,value) (expr) |
527 | #include <inttypes.h> |
474 | # define noinline |
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475 | # if __STDC_VERSION__ < 199901L && __GNUC__ < 2 |
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476 | # define inline |
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477 | # endif |
528 | #endif |
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529 | |
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530 | /* many compilers define _GNUC_ to some versions but then only implement |
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531 | * what their idiot authors think are the "more important" extensions, |
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532 | * causing enormous grief in return for some better fake benchmark numbers. |
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533 | * or so. |
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534 | * we try to detect these and simply assume they are not gcc - if they have |
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535 | * an issue with that they should have done it right in the first place. |
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536 | */ |
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537 | #ifndef ECB_GCC_VERSION |
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538 | #if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__ |
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539 | #define ECB_GCC_VERSION(major,minor) 0 |
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540 | #else |
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541 | #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) |
478 | #endif |
542 | #endif |
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543 | #endif |
479 | |
544 | |
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545 | /*****************************************************************************/ |
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546 | |
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547 | /* ECB_NO_THREADS - ecb is not used by multiple threads, ever */ |
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548 | /* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */ |
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549 | |
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550 | #if ECB_NO_THREADS |
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551 | # define ECB_NO_SMP 1 |
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552 | #endif |
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553 | |
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554 | #if ECB_NO_THREADS || ECB_NO_SMP |
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555 | #define ECB_MEMORY_FENCE do { } while (0) |
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556 | #endif |
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557 | |
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558 | #ifndef ECB_MEMORY_FENCE |
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559 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
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560 | #if __i386 || __i386__ |
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561 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
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562 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */ |
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563 | #define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */ |
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564 | #elif __amd64 || __amd64__ || __x86_64 || __x86_64__ |
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565 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
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566 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory") |
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567 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */ |
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568 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
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569 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
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570 | #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \ |
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571 | || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ |
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572 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory") |
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573 | #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \ |
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574 | || defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__ |
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575 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") |
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576 | #elif __sparc || __sparc__ |
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577 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad | " : : : "memory") |
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578 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") |
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579 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") |
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580 | #elif defined __s390__ || defined __s390x__ |
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581 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") |
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582 | #elif defined __mips__ |
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583 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
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584 | #elif defined __alpha__ |
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585 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory") |
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586 | #endif |
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587 | #endif |
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588 | #endif |
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589 | |
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590 | #ifndef ECB_MEMORY_FENCE |
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591 | #if ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
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592 | #define ECB_MEMORY_FENCE __sync_synchronize () |
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593 | /*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */ |
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594 | /*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */ |
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595 | #elif _MSC_VER >= 1400 /* VC++ 2005 */ |
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596 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
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597 | #define ECB_MEMORY_FENCE _ReadWriteBarrier () |
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598 | #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */ |
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599 | #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () |
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600 | #elif defined _WIN32 |
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601 | #include <WinNT.h> |
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602 | #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ |
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603 | #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
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604 | #include <mbarrier.h> |
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605 | #define ECB_MEMORY_FENCE __machine_rw_barrier () |
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606 | #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier () |
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607 | #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier () |
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608 | #elif __xlC__ |
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609 | #define ECB_MEMORY_FENCE __sync () |
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610 | #endif |
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611 | #endif |
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612 | |
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613 | #ifndef ECB_MEMORY_FENCE |
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614 | #if !ECB_AVOID_PTHREADS |
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615 | /* |
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616 | * if you get undefined symbol references to pthread_mutex_lock, |
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617 | * or failure to find pthread.h, then you should implement |
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618 | * the ECB_MEMORY_FENCE operations for your cpu/compiler |
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619 | * OR provide pthread.h and link against the posix thread library |
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620 | * of your system. |
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621 | */ |
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622 | #include <pthread.h> |
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623 | #define ECB_NEEDS_PTHREADS 1 |
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624 | #define ECB_MEMORY_FENCE_NEEDS_PTHREADS 1 |
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625 | |
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626 | static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER; |
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627 | #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0) |
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628 | #endif |
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629 | #endif |
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630 | |
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631 | #if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE |
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632 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
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633 | #endif |
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634 | |
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635 | #if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE |
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636 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
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637 | #endif |
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638 | |
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639 | /*****************************************************************************/ |
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640 | |
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641 | #define ECB_C99 (__STDC_VERSION__ >= 199901L) |
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642 | |
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643 | #if __cplusplus |
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644 | #define ecb_inline static inline |
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645 | #elif ECB_GCC_VERSION(2,5) |
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646 | #define ecb_inline static __inline__ |
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647 | #elif ECB_C99 |
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648 | #define ecb_inline static inline |
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649 | #else |
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650 | #define ecb_inline static |
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651 | #endif |
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652 | |
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653 | #if ECB_GCC_VERSION(3,3) |
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654 | #define ecb_restrict __restrict__ |
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655 | #elif ECB_C99 |
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656 | #define ecb_restrict restrict |
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657 | #else |
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658 | #define ecb_restrict |
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659 | #endif |
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660 | |
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661 | typedef int ecb_bool; |
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662 | |
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663 | #define ECB_CONCAT_(a, b) a ## b |
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664 | #define ECB_CONCAT(a, b) ECB_CONCAT_(a, b) |
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665 | #define ECB_STRINGIFY_(a) # a |
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666 | #define ECB_STRINGIFY(a) ECB_STRINGIFY_(a) |
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667 | |
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668 | #define ecb_function_ ecb_inline |
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669 | |
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670 | #if ECB_GCC_VERSION(3,1) |
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671 | #define ecb_attribute(attrlist) __attribute__(attrlist) |
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672 | #define ecb_is_constant(expr) __builtin_constant_p (expr) |
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673 | #define ecb_expect(expr,value) __builtin_expect ((expr),(value)) |
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674 | #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality) |
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675 | #else |
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676 | #define ecb_attribute(attrlist) |
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677 | #define ecb_is_constant(expr) 0 |
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678 | #define ecb_expect(expr,value) (expr) |
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679 | #define ecb_prefetch(addr,rw,locality) |
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680 | #endif |
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681 | |
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682 | /* no emulation for ecb_decltype */ |
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683 | #if ECB_GCC_VERSION(4,5) |
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684 | #define ecb_decltype(x) __decltype(x) |
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685 | #elif ECB_GCC_VERSION(3,0) |
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686 | #define ecb_decltype(x) __typeof(x) |
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687 | #endif |
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688 | |
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689 | #define ecb_noinline ecb_attribute ((__noinline__)) |
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690 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
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691 | #define ecb_unused ecb_attribute ((__unused__)) |
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692 | #define ecb_const ecb_attribute ((__const__)) |
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693 | #define ecb_pure ecb_attribute ((__pure__)) |
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694 | |
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695 | #if ECB_GCC_VERSION(4,3) |
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696 | #define ecb_artificial ecb_attribute ((__artificial__)) |
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697 | #define ecb_hot ecb_attribute ((__hot__)) |
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698 | #define ecb_cold ecb_attribute ((__cold__)) |
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699 | #else |
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700 | #define ecb_artificial |
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701 | #define ecb_hot |
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702 | #define ecb_cold |
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703 | #endif |
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704 | |
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705 | /* put around conditional expressions if you are very sure that the */ |
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706 | /* expression is mostly true or mostly false. note that these return */ |
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|
707 | /* booleans, not the expression. */ |
480 | #define expect_false(expr) expect ((expr) != 0, 0) |
708 | #define ecb_expect_false(expr) ecb_expect (!!(expr), 0) |
481 | #define expect_true(expr) expect ((expr) != 0, 1) |
709 | #define ecb_expect_true(expr) ecb_expect (!!(expr), 1) |
|
|
710 | /* for compatibility to the rest of the world */ |
|
|
711 | #define ecb_likely(expr) ecb_expect_true (expr) |
|
|
712 | #define ecb_unlikely(expr) ecb_expect_false (expr) |
|
|
713 | |
|
|
714 | /* count trailing zero bits and count # of one bits */ |
|
|
715 | #if ECB_GCC_VERSION(3,4) |
|
|
716 | /* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */ |
|
|
717 | #define ecb_ld32(x) (__builtin_clz (x) ^ 31) |
|
|
718 | #define ecb_ld64(x) (__builtin_clzll (x) ^ 63) |
|
|
719 | #define ecb_ctz32(x) __builtin_ctz (x) |
|
|
720 | #define ecb_ctz64(x) __builtin_ctzll (x) |
|
|
721 | #define ecb_popcount32(x) __builtin_popcount (x) |
|
|
722 | /* no popcountll */ |
|
|
723 | #else |
|
|
724 | ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const; |
|
|
725 | ecb_function_ int |
|
|
726 | ecb_ctz32 (uint32_t x) |
|
|
727 | { |
|
|
728 | int r = 0; |
|
|
729 | |
|
|
730 | x &= ~x + 1; /* this isolates the lowest bit */ |
|
|
731 | |
|
|
732 | #if ECB_branchless_on_i386 |
|
|
733 | r += !!(x & 0xaaaaaaaa) << 0; |
|
|
734 | r += !!(x & 0xcccccccc) << 1; |
|
|
735 | r += !!(x & 0xf0f0f0f0) << 2; |
|
|
736 | r += !!(x & 0xff00ff00) << 3; |
|
|
737 | r += !!(x & 0xffff0000) << 4; |
|
|
738 | #else |
|
|
739 | if (x & 0xaaaaaaaa) r += 1; |
|
|
740 | if (x & 0xcccccccc) r += 2; |
|
|
741 | if (x & 0xf0f0f0f0) r += 4; |
|
|
742 | if (x & 0xff00ff00) r += 8; |
|
|
743 | if (x & 0xffff0000) r += 16; |
|
|
744 | #endif |
|
|
745 | |
|
|
746 | return r; |
|
|
747 | } |
|
|
748 | |
|
|
749 | ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const; |
|
|
750 | ecb_function_ int |
|
|
751 | ecb_ctz64 (uint64_t x) |
|
|
752 | { |
|
|
753 | int shift = x & 0xffffffffU ? 0 : 32; |
|
|
754 | return ecb_ctz32 (x >> shift) + shift; |
|
|
755 | } |
|
|
756 | |
|
|
757 | ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const; |
|
|
758 | ecb_function_ int |
|
|
759 | ecb_popcount32 (uint32_t x) |
|
|
760 | { |
|
|
761 | x -= (x >> 1) & 0x55555555; |
|
|
762 | x = ((x >> 2) & 0x33333333) + (x & 0x33333333); |
|
|
763 | x = ((x >> 4) + x) & 0x0f0f0f0f; |
|
|
764 | x *= 0x01010101; |
|
|
765 | |
|
|
766 | return x >> 24; |
|
|
767 | } |
|
|
768 | |
|
|
769 | ecb_function_ int ecb_ld32 (uint32_t x) ecb_const; |
|
|
770 | ecb_function_ int ecb_ld32 (uint32_t x) |
|
|
771 | { |
|
|
772 | int r = 0; |
|
|
773 | |
|
|
774 | if (x >> 16) { x >>= 16; r += 16; } |
|
|
775 | if (x >> 8) { x >>= 8; r += 8; } |
|
|
776 | if (x >> 4) { x >>= 4; r += 4; } |
|
|
777 | if (x >> 2) { x >>= 2; r += 2; } |
|
|
778 | if (x >> 1) { r += 1; } |
|
|
779 | |
|
|
780 | return r; |
|
|
781 | } |
|
|
782 | |
|
|
783 | ecb_function_ int ecb_ld64 (uint64_t x) ecb_const; |
|
|
784 | ecb_function_ int ecb_ld64 (uint64_t x) |
|
|
785 | { |
|
|
786 | int r = 0; |
|
|
787 | |
|
|
788 | if (x >> 32) { x >>= 32; r += 32; } |
|
|
789 | |
|
|
790 | return r + ecb_ld32 (x); |
|
|
791 | } |
|
|
792 | #endif |
|
|
793 | |
|
|
794 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const; |
|
|
795 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) |
|
|
796 | { |
|
|
797 | return ( (x * 0x0802U & 0x22110U) |
|
|
798 | | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16; |
|
|
799 | } |
|
|
800 | |
|
|
801 | ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const; |
|
|
802 | ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) |
|
|
803 | { |
|
|
804 | x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1); |
|
|
805 | x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2); |
|
|
806 | x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4); |
|
|
807 | x = ( x >> 8 ) | ( x << 8); |
|
|
808 | |
|
|
809 | return x; |
|
|
810 | } |
|
|
811 | |
|
|
812 | ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const; |
|
|
813 | ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) |
|
|
814 | { |
|
|
815 | x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1); |
|
|
816 | x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2); |
|
|
817 | x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4); |
|
|
818 | x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8); |
|
|
819 | x = ( x >> 16 ) | ( x << 16); |
|
|
820 | |
|
|
821 | return x; |
|
|
822 | } |
|
|
823 | |
|
|
824 | /* popcount64 is only available on 64 bit cpus as gcc builtin */ |
|
|
825 | /* so for this version we are lazy */ |
|
|
826 | ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const; |
|
|
827 | ecb_function_ int |
|
|
828 | ecb_popcount64 (uint64_t x) |
|
|
829 | { |
|
|
830 | return ecb_popcount32 (x) + ecb_popcount32 (x >> 32); |
|
|
831 | } |
|
|
832 | |
|
|
833 | ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const; |
|
|
834 | ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const; |
|
|
835 | ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const; |
|
|
836 | ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const; |
|
|
837 | ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const; |
|
|
838 | ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const; |
|
|
839 | ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const; |
|
|
840 | ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const; |
|
|
841 | |
|
|
842 | ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); } |
|
|
843 | ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); } |
|
|
844 | ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); } |
|
|
845 | ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); } |
|
|
846 | ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); } |
|
|
847 | ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } |
|
|
848 | ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } |
|
|
849 | ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } |
|
|
850 | |
|
|
851 | #if ECB_GCC_VERSION(4,3) |
|
|
852 | #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) |
|
|
853 | #define ecb_bswap32(x) __builtin_bswap32 (x) |
|
|
854 | #define ecb_bswap64(x) __builtin_bswap64 (x) |
|
|
855 | #else |
|
|
856 | ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const; |
|
|
857 | ecb_function_ uint16_t |
|
|
858 | ecb_bswap16 (uint16_t x) |
|
|
859 | { |
|
|
860 | return ecb_rotl16 (x, 8); |
|
|
861 | } |
|
|
862 | |
|
|
863 | ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const; |
|
|
864 | ecb_function_ uint32_t |
|
|
865 | ecb_bswap32 (uint32_t x) |
|
|
866 | { |
|
|
867 | return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16); |
|
|
868 | } |
|
|
869 | |
|
|
870 | ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const; |
|
|
871 | ecb_function_ uint64_t |
|
|
872 | ecb_bswap64 (uint64_t x) |
|
|
873 | { |
|
|
874 | return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32); |
|
|
875 | } |
|
|
876 | #endif |
|
|
877 | |
|
|
878 | #if ECB_GCC_VERSION(4,5) |
|
|
879 | #define ecb_unreachable() __builtin_unreachable () |
|
|
880 | #else |
|
|
881 | /* this seems to work fine, but gcc always emits a warning for it :/ */ |
|
|
882 | ecb_inline void ecb_unreachable (void) ecb_noreturn; |
|
|
883 | ecb_inline void ecb_unreachable (void) { } |
|
|
884 | #endif |
|
|
885 | |
|
|
886 | /* try to tell the compiler that some condition is definitely true */ |
|
|
887 | #define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0) |
|
|
888 | |
|
|
889 | ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const; |
|
|
890 | ecb_inline unsigned char |
|
|
891 | ecb_byteorder_helper (void) |
|
|
892 | { |
|
|
893 | const uint32_t u = 0x11223344; |
|
|
894 | return *(unsigned char *)&u; |
|
|
895 | } |
|
|
896 | |
|
|
897 | ecb_inline ecb_bool ecb_big_endian (void) ecb_const; |
|
|
898 | ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; } |
|
|
899 | ecb_inline ecb_bool ecb_little_endian (void) ecb_const; |
|
|
900 | ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; } |
|
|
901 | |
|
|
902 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
|
|
903 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
|
|
904 | #else |
|
|
905 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
|
|
906 | #endif |
|
|
907 | |
|
|
908 | #if __cplusplus |
|
|
909 | template<typename T> |
|
|
910 | static inline T ecb_div_rd (T val, T div) |
|
|
911 | { |
|
|
912 | return val < 0 ? - ((-val + div - 1) / div) : (val ) / div; |
|
|
913 | } |
|
|
914 | template<typename T> |
|
|
915 | static inline T ecb_div_ru (T val, T div) |
|
|
916 | { |
|
|
917 | return val < 0 ? - ((-val ) / div) : (val + div - 1) / div; |
|
|
918 | } |
|
|
919 | #else |
|
|
920 | #define ecb_div_rd(val,div) ((val) < 0 ? - ((-(val) + (div) - 1) / (div)) : ((val) ) / (div)) |
|
|
921 | #define ecb_div_ru(val,div) ((val) < 0 ? - ((-(val) ) / (div)) : ((val) + (div) - 1) / (div)) |
|
|
922 | #endif |
|
|
923 | |
|
|
924 | #if ecb_cplusplus_does_not_suck |
|
|
925 | /* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */ |
|
|
926 | template<typename T, int N> |
|
|
927 | static inline int ecb_array_length (const T (&arr)[N]) |
|
|
928 | { |
|
|
929 | return N; |
|
|
930 | } |
|
|
931 | #else |
|
|
932 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
|
|
933 | #endif |
|
|
934 | |
|
|
935 | #endif |
|
|
936 | |
|
|
937 | /* ECB.H END */ |
|
|
938 | |
|
|
939 | #if ECB_MEMORY_FENCE_NEEDS_PTHREADS |
|
|
940 | /* if your architecture doesn't need memory fences, e.g. because it is |
|
|
941 | * single-cpu/core, or if you use libev in a project that doesn't use libev |
|
|
942 | * from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling |
|
|
943 | * libev, in which cases the memory fences become nops. |
|
|
944 | * alternatively, you can remove this #error and link against libpthread, |
|
|
945 | * which will then provide the memory fences. |
|
|
946 | */ |
|
|
947 | # error "memory fences not defined for your architecture, please report" |
|
|
948 | #endif |
|
|
949 | |
|
|
950 | #ifndef ECB_MEMORY_FENCE |
|
|
951 | # define ECB_MEMORY_FENCE do { } while (0) |
|
|
952 | # define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
|
|
953 | # define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
|
|
954 | #endif |
|
|
955 | |
|
|
956 | #define expect_false(cond) ecb_expect_false (cond) |
|
|
957 | #define expect_true(cond) ecb_expect_true (cond) |
|
|
958 | #define noinline ecb_noinline |
|
|
959 | |
482 | #define inline_size static inline |
960 | #define inline_size ecb_inline |
483 | |
961 | |
484 | #if EV_FEATURE_CODE |
962 | #if EV_FEATURE_CODE |
485 | # define inline_speed static inline |
963 | # define inline_speed ecb_inline |
486 | #else |
964 | #else |
487 | # define inline_speed static noinline |
965 | # define inline_speed static noinline |
488 | #endif |
966 | #endif |
489 | |
967 | |
490 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
968 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
… | |
… | |
581 | |
1059 | |
582 | #ifdef __linux |
1060 | #ifdef __linux |
583 | # include <sys/utsname.h> |
1061 | # include <sys/utsname.h> |
584 | #endif |
1062 | #endif |
585 | |
1063 | |
586 | static unsigned int noinline |
1064 | static unsigned int noinline ecb_cold |
587 | ev_linux_version (void) |
1065 | ev_linux_version (void) |
588 | { |
1066 | { |
589 | #ifdef __linux |
1067 | #ifdef __linux |
590 | unsigned int v = 0; |
1068 | unsigned int v = 0; |
591 | struct utsname buf; |
1069 | struct utsname buf; |
… | |
… | |
620 | } |
1098 | } |
621 | |
1099 | |
622 | /*****************************************************************************/ |
1100 | /*****************************************************************************/ |
623 | |
1101 | |
624 | #if EV_AVOID_STDIO |
1102 | #if EV_AVOID_STDIO |
625 | static void noinline |
1103 | static void noinline ecb_cold |
626 | ev_printerr (const char *msg) |
1104 | ev_printerr (const char *msg) |
627 | { |
1105 | { |
628 | write (STDERR_FILENO, msg, strlen (msg)); |
1106 | write (STDERR_FILENO, msg, strlen (msg)); |
629 | } |
1107 | } |
630 | #endif |
1108 | #endif |
631 | |
1109 | |
632 | static void (*syserr_cb)(const char *msg); |
1110 | static void (*syserr_cb)(const char *msg) EV_THROW; |
633 | |
1111 | |
634 | void |
1112 | void ecb_cold |
635 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
1113 | ev_set_syserr_cb (void (*cb)(const char *msg)) EV_THROW |
636 | { |
1114 | { |
637 | syserr_cb = cb; |
1115 | syserr_cb = cb; |
638 | } |
1116 | } |
639 | |
1117 | |
640 | static void noinline |
1118 | static void noinline ecb_cold |
641 | ev_syserr (const char *msg) |
1119 | ev_syserr (const char *msg) |
642 | { |
1120 | { |
643 | if (!msg) |
1121 | if (!msg) |
644 | msg = "(libev) system error"; |
1122 | msg = "(libev) system error"; |
645 | |
1123 | |
… | |
… | |
676 | free (ptr); |
1154 | free (ptr); |
677 | return 0; |
1155 | return 0; |
678 | #endif |
1156 | #endif |
679 | } |
1157 | } |
680 | |
1158 | |
681 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
1159 | static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul; |
682 | |
1160 | |
683 | void |
1161 | void ecb_cold |
684 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
1162 | ev_set_allocator (void *(*cb)(void *ptr, long size)) EV_THROW |
685 | { |
1163 | { |
686 | alloc = cb; |
1164 | alloc = cb; |
687 | } |
1165 | } |
688 | |
1166 | |
689 | inline_speed void * |
1167 | inline_speed void * |
… | |
… | |
777 | #undef VAR |
1255 | #undef VAR |
778 | }; |
1256 | }; |
779 | #include "ev_wrap.h" |
1257 | #include "ev_wrap.h" |
780 | |
1258 | |
781 | static struct ev_loop default_loop_struct; |
1259 | static struct ev_loop default_loop_struct; |
782 | struct ev_loop *ev_default_loop_ptr; |
1260 | EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */ |
783 | |
1261 | |
784 | #else |
1262 | #else |
785 | |
1263 | |
786 | ev_tstamp ev_rt_now; |
1264 | EV_API_DECL ev_tstamp ev_rt_now = 0; /* needs to be initialised to make it a definition despite extern */ |
787 | #define VAR(name,decl) static decl; |
1265 | #define VAR(name,decl) static decl; |
788 | #include "ev_vars.h" |
1266 | #include "ev_vars.h" |
789 | #undef VAR |
1267 | #undef VAR |
790 | |
1268 | |
791 | static int ev_default_loop_ptr; |
1269 | static int ev_default_loop_ptr; |
… | |
… | |
806 | |
1284 | |
807 | /*****************************************************************************/ |
1285 | /*****************************************************************************/ |
808 | |
1286 | |
809 | #ifndef EV_HAVE_EV_TIME |
1287 | #ifndef EV_HAVE_EV_TIME |
810 | ev_tstamp |
1288 | ev_tstamp |
811 | ev_time (void) |
1289 | ev_time (void) EV_THROW |
812 | { |
1290 | { |
813 | #if EV_USE_REALTIME |
1291 | #if EV_USE_REALTIME |
814 | if (expect_true (have_realtime)) |
1292 | if (expect_true (have_realtime)) |
815 | { |
1293 | { |
816 | struct timespec ts; |
1294 | struct timespec ts; |
… | |
… | |
840 | return ev_time (); |
1318 | return ev_time (); |
841 | } |
1319 | } |
842 | |
1320 | |
843 | #if EV_MULTIPLICITY |
1321 | #if EV_MULTIPLICITY |
844 | ev_tstamp |
1322 | ev_tstamp |
845 | ev_now (EV_P) |
1323 | ev_now (EV_P) EV_THROW |
846 | { |
1324 | { |
847 | return ev_rt_now; |
1325 | return ev_rt_now; |
848 | } |
1326 | } |
849 | #endif |
1327 | #endif |
850 | |
1328 | |
851 | void |
1329 | void |
852 | ev_sleep (ev_tstamp delay) |
1330 | ev_sleep (ev_tstamp delay) EV_THROW |
853 | { |
1331 | { |
854 | if (delay > 0.) |
1332 | if (delay > 0.) |
855 | { |
1333 | { |
856 | #if EV_USE_NANOSLEEP |
1334 | #if EV_USE_NANOSLEEP |
857 | struct timespec ts; |
1335 | struct timespec ts; |
858 | |
1336 | |
859 | EV_TS_SET (ts, delay); |
1337 | EV_TS_SET (ts, delay); |
860 | nanosleep (&ts, 0); |
1338 | nanosleep (&ts, 0); |
861 | #elif defined(_WIN32) |
1339 | #elif defined _WIN32 |
862 | Sleep ((unsigned long)(delay * 1e3)); |
1340 | Sleep ((unsigned long)(delay * 1e3)); |
863 | #else |
1341 | #else |
864 | struct timeval tv; |
1342 | struct timeval tv; |
865 | |
1343 | |
866 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
1344 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
… | |
… | |
870 | select (0, 0, 0, 0, &tv); |
1348 | select (0, 0, 0, 0, &tv); |
871 | #endif |
1349 | #endif |
872 | } |
1350 | } |
873 | } |
1351 | } |
874 | |
1352 | |
875 | inline_speed int |
|
|
876 | ev_timeout_to_ms (ev_tstamp timeout) |
|
|
877 | { |
|
|
878 | int ms = timeout * 1000. + .999999; |
|
|
879 | |
|
|
880 | return expect_true (ms) ? ms : timeout < 1e-6 ? 0 : 1; |
|
|
881 | } |
|
|
882 | |
|
|
883 | /*****************************************************************************/ |
1353 | /*****************************************************************************/ |
884 | |
1354 | |
885 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
1355 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
886 | |
1356 | |
887 | /* find a suitable new size for the given array, */ |
1357 | /* find a suitable new size for the given array, */ |
… | |
… | |
893 | |
1363 | |
894 | do |
1364 | do |
895 | ncur <<= 1; |
1365 | ncur <<= 1; |
896 | while (cnt > ncur); |
1366 | while (cnt > ncur); |
897 | |
1367 | |
898 | /* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */ |
1368 | /* if size is large, round to MALLOC_ROUND - 4 * longs to accommodate malloc overhead */ |
899 | if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) |
1369 | if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) |
900 | { |
1370 | { |
901 | ncur *= elem; |
1371 | ncur *= elem; |
902 | ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1); |
1372 | ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1); |
903 | ncur = ncur - sizeof (void *) * 4; |
1373 | ncur = ncur - sizeof (void *) * 4; |
… | |
… | |
905 | } |
1375 | } |
906 | |
1376 | |
907 | return ncur; |
1377 | return ncur; |
908 | } |
1378 | } |
909 | |
1379 | |
910 | static noinline void * |
1380 | static void * noinline ecb_cold |
911 | array_realloc (int elem, void *base, int *cur, int cnt) |
1381 | array_realloc (int elem, void *base, int *cur, int cnt) |
912 | { |
1382 | { |
913 | *cur = array_nextsize (elem, *cur, cnt); |
1383 | *cur = array_nextsize (elem, *cur, cnt); |
914 | return ev_realloc (base, elem * *cur); |
1384 | return ev_realloc (base, elem * *cur); |
915 | } |
1385 | } |
… | |
… | |
918 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
1388 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
919 | |
1389 | |
920 | #define array_needsize(type,base,cur,cnt,init) \ |
1390 | #define array_needsize(type,base,cur,cnt,init) \ |
921 | if (expect_false ((cnt) > (cur))) \ |
1391 | if (expect_false ((cnt) > (cur))) \ |
922 | { \ |
1392 | { \ |
923 | int ocur_ = (cur); \ |
1393 | int ecb_unused ocur_ = (cur); \ |
924 | (base) = (type *)array_realloc \ |
1394 | (base) = (type *)array_realloc \ |
925 | (sizeof (type), (base), &(cur), (cnt)); \ |
1395 | (sizeof (type), (base), &(cur), (cnt)); \ |
926 | init ((base) + (ocur_), (cur) - ocur_); \ |
1396 | init ((base) + (ocur_), (cur) - ocur_); \ |
927 | } |
1397 | } |
928 | |
1398 | |
… | |
… | |
946 | pendingcb (EV_P_ ev_prepare *w, int revents) |
1416 | pendingcb (EV_P_ ev_prepare *w, int revents) |
947 | { |
1417 | { |
948 | } |
1418 | } |
949 | |
1419 | |
950 | void noinline |
1420 | void noinline |
951 | ev_feed_event (EV_P_ void *w, int revents) |
1421 | ev_feed_event (EV_P_ void *w, int revents) EV_THROW |
952 | { |
1422 | { |
953 | W w_ = (W)w; |
1423 | W w_ = (W)w; |
954 | int pri = ABSPRI (w_); |
1424 | int pri = ABSPRI (w_); |
955 | |
1425 | |
956 | if (expect_false (w_->pending)) |
1426 | if (expect_false (w_->pending)) |
… | |
… | |
1015 | if (expect_true (!anfd->reify)) |
1485 | if (expect_true (!anfd->reify)) |
1016 | fd_event_nocheck (EV_A_ fd, revents); |
1486 | fd_event_nocheck (EV_A_ fd, revents); |
1017 | } |
1487 | } |
1018 | |
1488 | |
1019 | void |
1489 | void |
1020 | ev_feed_fd_event (EV_P_ int fd, int revents) |
1490 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW |
1021 | { |
1491 | { |
1022 | if (fd >= 0 && fd < anfdmax) |
1492 | if (fd >= 0 && fd < anfdmax) |
1023 | fd_event_nocheck (EV_A_ fd, revents); |
1493 | fd_event_nocheck (EV_A_ fd, revents); |
1024 | } |
1494 | } |
1025 | |
1495 | |
… | |
… | |
1098 | fdchanges [fdchangecnt - 1] = fd; |
1568 | fdchanges [fdchangecnt - 1] = fd; |
1099 | } |
1569 | } |
1100 | } |
1570 | } |
1101 | |
1571 | |
1102 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
1572 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
1103 | inline_speed void |
1573 | inline_speed void ecb_cold |
1104 | fd_kill (EV_P_ int fd) |
1574 | fd_kill (EV_P_ int fd) |
1105 | { |
1575 | { |
1106 | ev_io *w; |
1576 | ev_io *w; |
1107 | |
1577 | |
1108 | while ((w = (ev_io *)anfds [fd].head)) |
1578 | while ((w = (ev_io *)anfds [fd].head)) |
… | |
… | |
1111 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
1581 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
1112 | } |
1582 | } |
1113 | } |
1583 | } |
1114 | |
1584 | |
1115 | /* check whether the given fd is actually valid, for error recovery */ |
1585 | /* check whether the given fd is actually valid, for error recovery */ |
1116 | inline_size int |
1586 | inline_size int ecb_cold |
1117 | fd_valid (int fd) |
1587 | fd_valid (int fd) |
1118 | { |
1588 | { |
1119 | #ifdef _WIN32 |
1589 | #ifdef _WIN32 |
1120 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
1590 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
1121 | #else |
1591 | #else |
1122 | return fcntl (fd, F_GETFD) != -1; |
1592 | return fcntl (fd, F_GETFD) != -1; |
1123 | #endif |
1593 | #endif |
1124 | } |
1594 | } |
1125 | |
1595 | |
1126 | /* called on EBADF to verify fds */ |
1596 | /* called on EBADF to verify fds */ |
1127 | static void noinline |
1597 | static void noinline ecb_cold |
1128 | fd_ebadf (EV_P) |
1598 | fd_ebadf (EV_P) |
1129 | { |
1599 | { |
1130 | int fd; |
1600 | int fd; |
1131 | |
1601 | |
1132 | for (fd = 0; fd < anfdmax; ++fd) |
1602 | for (fd = 0; fd < anfdmax; ++fd) |
… | |
… | |
1134 | if (!fd_valid (fd) && errno == EBADF) |
1604 | if (!fd_valid (fd) && errno == EBADF) |
1135 | fd_kill (EV_A_ fd); |
1605 | fd_kill (EV_A_ fd); |
1136 | } |
1606 | } |
1137 | |
1607 | |
1138 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
1608 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
1139 | static void noinline |
1609 | static void noinline ecb_cold |
1140 | fd_enomem (EV_P) |
1610 | fd_enomem (EV_P) |
1141 | { |
1611 | { |
1142 | int fd; |
1612 | int fd; |
1143 | |
1613 | |
1144 | for (fd = anfdmax; fd--; ) |
1614 | for (fd = anfdmax; fd--; ) |
… | |
… | |
1339 | |
1809 | |
1340 | /*****************************************************************************/ |
1810 | /*****************************************************************************/ |
1341 | |
1811 | |
1342 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1812 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1343 | |
1813 | |
1344 | static void noinline |
1814 | static void noinline ecb_cold |
1345 | evpipe_init (EV_P) |
1815 | evpipe_init (EV_P) |
1346 | { |
1816 | { |
1347 | if (!ev_is_active (&pipe_w)) |
1817 | if (!ev_is_active (&pipe_w)) |
1348 | { |
1818 | { |
1349 | # if EV_USE_EVENTFD |
1819 | # if EV_USE_EVENTFD |
… | |
… | |
1371 | ev_io_start (EV_A_ &pipe_w); |
1841 | ev_io_start (EV_A_ &pipe_w); |
1372 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
1842 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
1373 | } |
1843 | } |
1374 | } |
1844 | } |
1375 | |
1845 | |
1376 | inline_size void |
1846 | inline_speed void |
1377 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1847 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1378 | { |
1848 | { |
1379 | if (!*flag) |
1849 | if (expect_true (*flag)) |
|
|
1850 | return; |
|
|
1851 | |
|
|
1852 | *flag = 1; |
|
|
1853 | |
|
|
1854 | ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ |
|
|
1855 | |
|
|
1856 | pipe_write_skipped = 1; |
|
|
1857 | |
|
|
1858 | ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */ |
|
|
1859 | |
|
|
1860 | if (pipe_write_wanted) |
1380 | { |
1861 | { |
|
|
1862 | int old_errno; |
|
|
1863 | |
|
|
1864 | pipe_write_skipped = 0; /* just an optimisation, no fence needed */ |
|
|
1865 | |
1381 | int old_errno = errno; /* save errno because write might clobber it */ |
1866 | old_errno = errno; /* save errno because write will clobber it */ |
1382 | char dummy; |
|
|
1383 | |
|
|
1384 | *flag = 1; |
|
|
1385 | |
1867 | |
1386 | #if EV_USE_EVENTFD |
1868 | #if EV_USE_EVENTFD |
1387 | if (evfd >= 0) |
1869 | if (evfd >= 0) |
1388 | { |
1870 | { |
1389 | uint64_t counter = 1; |
1871 | uint64_t counter = 1; |
1390 | write (evfd, &counter, sizeof (uint64_t)); |
1872 | write (evfd, &counter, sizeof (uint64_t)); |
1391 | } |
1873 | } |
1392 | else |
1874 | else |
1393 | #endif |
1875 | #endif |
|
|
1876 | { |
1394 | /* win32 people keep sending patches that change this write() to send() */ |
1877 | /* win32 people keep sending patches that change this write() to send() */ |
1395 | /* and then run away. but send() is wrong, it wants a socket handle on win32 */ |
1878 | /* and then run away. but send() is wrong, it wants a socket handle on win32 */ |
1396 | /* so when you think this write should be a send instead, please find out */ |
1879 | /* so when you think this write should be a send instead, please find out */ |
1397 | /* where your send() is from - it's definitely not the microsoft send, and */ |
1880 | /* where your send() is from - it's definitely not the microsoft send, and */ |
1398 | /* tell me. thank you. */ |
1881 | /* tell me. thank you. */ |
|
|
1882 | /* it might be that your problem is that your environment needs EV_USE_WSASOCKET */ |
|
|
1883 | /* check the ev documentation on how to use this flag */ |
1399 | write (evpipe [1], &dummy, 1); |
1884 | write (evpipe [1], &(evpipe [1]), 1); |
|
|
1885 | } |
1400 | |
1886 | |
1401 | errno = old_errno; |
1887 | errno = old_errno; |
1402 | } |
1888 | } |
1403 | } |
1889 | } |
1404 | |
1890 | |
… | |
… | |
1407 | static void |
1893 | static void |
1408 | pipecb (EV_P_ ev_io *iow, int revents) |
1894 | pipecb (EV_P_ ev_io *iow, int revents) |
1409 | { |
1895 | { |
1410 | int i; |
1896 | int i; |
1411 | |
1897 | |
|
|
1898 | if (revents & EV_READ) |
|
|
1899 | { |
1412 | #if EV_USE_EVENTFD |
1900 | #if EV_USE_EVENTFD |
1413 | if (evfd >= 0) |
1901 | if (evfd >= 0) |
1414 | { |
1902 | { |
1415 | uint64_t counter; |
1903 | uint64_t counter; |
1416 | read (evfd, &counter, sizeof (uint64_t)); |
1904 | read (evfd, &counter, sizeof (uint64_t)); |
1417 | } |
1905 | } |
1418 | else |
1906 | else |
1419 | #endif |
1907 | #endif |
1420 | { |
1908 | { |
1421 | char dummy; |
1909 | char dummy; |
1422 | /* see discussion in evpipe_write when you think this read should be recv in win32 */ |
1910 | /* see discussion in evpipe_write when you think this read should be recv in win32 */ |
1423 | read (evpipe [0], &dummy, 1); |
1911 | read (evpipe [0], &dummy, 1); |
|
|
1912 | } |
1424 | } |
1913 | } |
|
|
1914 | |
|
|
1915 | pipe_write_skipped = 0; |
1425 | |
1916 | |
1426 | #if EV_SIGNAL_ENABLE |
1917 | #if EV_SIGNAL_ENABLE |
1427 | if (sig_pending) |
1918 | if (sig_pending) |
1428 | { |
1919 | { |
1429 | sig_pending = 0; |
1920 | sig_pending = 0; |
… | |
… | |
1450 | } |
1941 | } |
1451 | |
1942 | |
1452 | /*****************************************************************************/ |
1943 | /*****************************************************************************/ |
1453 | |
1944 | |
1454 | void |
1945 | void |
1455 | ev_feed_signal (int signum) |
1946 | ev_feed_signal (int signum) EV_THROW |
1456 | { |
1947 | { |
1457 | #if EV_MULTIPLICITY |
1948 | #if EV_MULTIPLICITY |
1458 | EV_P = signals [signum - 1].loop; |
1949 | EV_P = signals [signum - 1].loop; |
1459 | |
1950 | |
1460 | if (!EV_A) |
1951 | if (!EV_A) |
1461 | return; |
1952 | return; |
1462 | #endif |
1953 | #endif |
1463 | |
1954 | |
|
|
1955 | if (!ev_active (&pipe_w)) |
|
|
1956 | return; |
|
|
1957 | |
1464 | signals [signum - 1].pending = 1; |
1958 | signals [signum - 1].pending = 1; |
1465 | evpipe_write (EV_A_ &sig_pending); |
1959 | evpipe_write (EV_A_ &sig_pending); |
1466 | } |
1960 | } |
1467 | |
1961 | |
1468 | static void |
1962 | static void |
… | |
… | |
1474 | |
1968 | |
1475 | ev_feed_signal (signum); |
1969 | ev_feed_signal (signum); |
1476 | } |
1970 | } |
1477 | |
1971 | |
1478 | void noinline |
1972 | void noinline |
1479 | ev_feed_signal_event (EV_P_ int signum) |
1973 | ev_feed_signal_event (EV_P_ int signum) EV_THROW |
1480 | { |
1974 | { |
1481 | WL w; |
1975 | WL w; |
1482 | |
1976 | |
1483 | if (expect_false (signum <= 0 || signum > EV_NSIG)) |
1977 | if (expect_false (signum <= 0 || signum > EV_NSIG)) |
1484 | return; |
1978 | return; |
… | |
… | |
1599 | #endif |
2093 | #endif |
1600 | #if EV_USE_SELECT |
2094 | #if EV_USE_SELECT |
1601 | # include "ev_select.c" |
2095 | # include "ev_select.c" |
1602 | #endif |
2096 | #endif |
1603 | |
2097 | |
1604 | int |
2098 | int ecb_cold |
1605 | ev_version_major (void) |
2099 | ev_version_major (void) EV_THROW |
1606 | { |
2100 | { |
1607 | return EV_VERSION_MAJOR; |
2101 | return EV_VERSION_MAJOR; |
1608 | } |
2102 | } |
1609 | |
2103 | |
1610 | int |
2104 | int ecb_cold |
1611 | ev_version_minor (void) |
2105 | ev_version_minor (void) EV_THROW |
1612 | { |
2106 | { |
1613 | return EV_VERSION_MINOR; |
2107 | return EV_VERSION_MINOR; |
1614 | } |
2108 | } |
1615 | |
2109 | |
1616 | /* return true if we are running with elevated privileges and should ignore env variables */ |
2110 | /* return true if we are running with elevated privileges and should ignore env variables */ |
1617 | int inline_size |
2111 | int inline_size ecb_cold |
1618 | enable_secure (void) |
2112 | enable_secure (void) |
1619 | { |
2113 | { |
1620 | #ifdef _WIN32 |
2114 | #ifdef _WIN32 |
1621 | return 0; |
2115 | return 0; |
1622 | #else |
2116 | #else |
1623 | return getuid () != geteuid () |
2117 | return getuid () != geteuid () |
1624 | || getgid () != getegid (); |
2118 | || getgid () != getegid (); |
1625 | #endif |
2119 | #endif |
1626 | } |
2120 | } |
1627 | |
2121 | |
1628 | unsigned int |
2122 | unsigned int ecb_cold |
1629 | ev_supported_backends (void) |
2123 | ev_supported_backends (void) EV_THROW |
1630 | { |
2124 | { |
1631 | unsigned int flags = 0; |
2125 | unsigned int flags = 0; |
1632 | |
2126 | |
1633 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2127 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
1634 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
2128 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
… | |
… | |
1637 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
2131 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
1638 | |
2132 | |
1639 | return flags; |
2133 | return flags; |
1640 | } |
2134 | } |
1641 | |
2135 | |
1642 | unsigned int |
2136 | unsigned int ecb_cold |
1643 | ev_recommended_backends (void) |
2137 | ev_recommended_backends (void) EV_THROW |
1644 | { |
2138 | { |
1645 | unsigned int flags = ev_supported_backends (); |
2139 | unsigned int flags = ev_supported_backends (); |
1646 | |
2140 | |
1647 | #ifndef __NetBSD__ |
2141 | #ifndef __NetBSD__ |
1648 | /* kqueue is borked on everything but netbsd apparently */ |
2142 | /* kqueue is borked on everything but netbsd apparently */ |
… | |
… | |
1659 | #endif |
2153 | #endif |
1660 | |
2154 | |
1661 | return flags; |
2155 | return flags; |
1662 | } |
2156 | } |
1663 | |
2157 | |
1664 | unsigned int |
2158 | unsigned int ecb_cold |
1665 | ev_embeddable_backends (void) |
2159 | ev_embeddable_backends (void) EV_THROW |
1666 | { |
2160 | { |
1667 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
2161 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
1668 | |
2162 | |
1669 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2163 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
1670 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
2164 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
… | |
… | |
1672 | |
2166 | |
1673 | return flags; |
2167 | return flags; |
1674 | } |
2168 | } |
1675 | |
2169 | |
1676 | unsigned int |
2170 | unsigned int |
1677 | ev_backend (EV_P) |
2171 | ev_backend (EV_P) EV_THROW |
1678 | { |
2172 | { |
1679 | return backend; |
2173 | return backend; |
1680 | } |
2174 | } |
1681 | |
2175 | |
1682 | #if EV_FEATURE_API |
2176 | #if EV_FEATURE_API |
1683 | unsigned int |
2177 | unsigned int |
1684 | ev_iteration (EV_P) |
2178 | ev_iteration (EV_P) EV_THROW |
1685 | { |
2179 | { |
1686 | return loop_count; |
2180 | return loop_count; |
1687 | } |
2181 | } |
1688 | |
2182 | |
1689 | unsigned int |
2183 | unsigned int |
1690 | ev_depth (EV_P) |
2184 | ev_depth (EV_P) EV_THROW |
1691 | { |
2185 | { |
1692 | return loop_depth; |
2186 | return loop_depth; |
1693 | } |
2187 | } |
1694 | |
2188 | |
1695 | void |
2189 | void |
1696 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
2190 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
1697 | { |
2191 | { |
1698 | io_blocktime = interval; |
2192 | io_blocktime = interval; |
1699 | } |
2193 | } |
1700 | |
2194 | |
1701 | void |
2195 | void |
1702 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
2196 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
1703 | { |
2197 | { |
1704 | timeout_blocktime = interval; |
2198 | timeout_blocktime = interval; |
1705 | } |
2199 | } |
1706 | |
2200 | |
1707 | void |
2201 | void |
1708 | ev_set_userdata (EV_P_ void *data) |
2202 | ev_set_userdata (EV_P_ void *data) EV_THROW |
1709 | { |
2203 | { |
1710 | userdata = data; |
2204 | userdata = data; |
1711 | } |
2205 | } |
1712 | |
2206 | |
1713 | void * |
2207 | void * |
1714 | ev_userdata (EV_P) |
2208 | ev_userdata (EV_P) EV_THROW |
1715 | { |
2209 | { |
1716 | return userdata; |
2210 | return userdata; |
1717 | } |
2211 | } |
1718 | |
2212 | |
|
|
2213 | void |
1719 | void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) |
2214 | ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW |
1720 | { |
2215 | { |
1721 | invoke_cb = invoke_pending_cb; |
2216 | invoke_cb = invoke_pending_cb; |
1722 | } |
2217 | } |
1723 | |
2218 | |
|
|
2219 | void |
1724 | void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) |
2220 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) EV_THROW |
1725 | { |
2221 | { |
1726 | release_cb = release; |
2222 | release_cb = release; |
1727 | acquire_cb = acquire; |
2223 | acquire_cb = acquire; |
1728 | } |
2224 | } |
1729 | #endif |
2225 | #endif |
1730 | |
2226 | |
1731 | /* initialise a loop structure, must be zero-initialised */ |
2227 | /* initialise a loop structure, must be zero-initialised */ |
1732 | static void noinline |
2228 | static void noinline ecb_cold |
1733 | loop_init (EV_P_ unsigned int flags) |
2229 | loop_init (EV_P_ unsigned int flags) EV_THROW |
1734 | { |
2230 | { |
1735 | if (!backend) |
2231 | if (!backend) |
1736 | { |
2232 | { |
1737 | origflags = flags; |
2233 | origflags = flags; |
1738 | |
2234 | |
… | |
… | |
1765 | if (!(flags & EVFLAG_NOENV) |
2261 | if (!(flags & EVFLAG_NOENV) |
1766 | && !enable_secure () |
2262 | && !enable_secure () |
1767 | && getenv ("LIBEV_FLAGS")) |
2263 | && getenv ("LIBEV_FLAGS")) |
1768 | flags = atoi (getenv ("LIBEV_FLAGS")); |
2264 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1769 | |
2265 | |
1770 | ev_rt_now = ev_time (); |
2266 | ev_rt_now = ev_time (); |
1771 | mn_now = get_clock (); |
2267 | mn_now = get_clock (); |
1772 | now_floor = mn_now; |
2268 | now_floor = mn_now; |
1773 | rtmn_diff = ev_rt_now - mn_now; |
2269 | rtmn_diff = ev_rt_now - mn_now; |
1774 | #if EV_FEATURE_API |
2270 | #if EV_FEATURE_API |
1775 | invoke_cb = ev_invoke_pending; |
2271 | invoke_cb = ev_invoke_pending; |
1776 | #endif |
2272 | #endif |
1777 | |
2273 | |
1778 | io_blocktime = 0.; |
2274 | io_blocktime = 0.; |
1779 | timeout_blocktime = 0.; |
2275 | timeout_blocktime = 0.; |
1780 | backend = 0; |
2276 | backend = 0; |
1781 | backend_fd = -1; |
2277 | backend_fd = -1; |
1782 | sig_pending = 0; |
2278 | sig_pending = 0; |
1783 | #if EV_ASYNC_ENABLE |
2279 | #if EV_ASYNC_ENABLE |
1784 | async_pending = 0; |
2280 | async_pending = 0; |
1785 | #endif |
2281 | #endif |
|
|
2282 | pipe_write_skipped = 0; |
|
|
2283 | pipe_write_wanted = 0; |
1786 | #if EV_USE_INOTIFY |
2284 | #if EV_USE_INOTIFY |
1787 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
2285 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
1788 | #endif |
2286 | #endif |
1789 | #if EV_USE_SIGNALFD |
2287 | #if EV_USE_SIGNALFD |
1790 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
2288 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
1791 | #endif |
2289 | #endif |
1792 | |
2290 | |
1793 | if (!(flags & EVBACKEND_MASK)) |
2291 | if (!(flags & EVBACKEND_MASK)) |
1794 | flags |= ev_recommended_backends (); |
2292 | flags |= ev_recommended_backends (); |
1795 | |
2293 | |
… | |
… | |
1820 | #endif |
2318 | #endif |
1821 | } |
2319 | } |
1822 | } |
2320 | } |
1823 | |
2321 | |
1824 | /* free up a loop structure */ |
2322 | /* free up a loop structure */ |
1825 | void |
2323 | void ecb_cold |
1826 | ev_loop_destroy (EV_P) |
2324 | ev_loop_destroy (EV_P) EV_THROW |
1827 | { |
2325 | { |
1828 | int i; |
2326 | int i; |
1829 | |
2327 | |
1830 | #if EV_MULTIPLICITY |
2328 | #if EV_MULTIPLICITY |
1831 | /* mimic free (0) */ |
2329 | /* mimic free (0) */ |
… | |
… | |
1960 | infy_fork (EV_A); |
2458 | infy_fork (EV_A); |
1961 | #endif |
2459 | #endif |
1962 | |
2460 | |
1963 | if (ev_is_active (&pipe_w)) |
2461 | if (ev_is_active (&pipe_w)) |
1964 | { |
2462 | { |
1965 | /* this "locks" the handlers against writing to the pipe */ |
2463 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
1966 | /* while we modify the fd vars */ |
|
|
1967 | sig_pending = 1; |
|
|
1968 | #if EV_ASYNC_ENABLE |
|
|
1969 | async_pending = 1; |
|
|
1970 | #endif |
|
|
1971 | |
2464 | |
1972 | ev_ref (EV_A); |
2465 | ev_ref (EV_A); |
1973 | ev_io_stop (EV_A_ &pipe_w); |
2466 | ev_io_stop (EV_A_ &pipe_w); |
1974 | |
2467 | |
1975 | #if EV_USE_EVENTFD |
2468 | #if EV_USE_EVENTFD |
… | |
… | |
1993 | postfork = 0; |
2486 | postfork = 0; |
1994 | } |
2487 | } |
1995 | |
2488 | |
1996 | #if EV_MULTIPLICITY |
2489 | #if EV_MULTIPLICITY |
1997 | |
2490 | |
1998 | struct ev_loop * |
2491 | struct ev_loop * ecb_cold |
1999 | ev_loop_new (unsigned int flags) |
2492 | ev_loop_new (unsigned int flags) EV_THROW |
2000 | { |
2493 | { |
2001 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
2494 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
2002 | |
2495 | |
2003 | memset (EV_A, 0, sizeof (struct ev_loop)); |
2496 | memset (EV_A, 0, sizeof (struct ev_loop)); |
2004 | loop_init (EV_A_ flags); |
2497 | loop_init (EV_A_ flags); |
… | |
… | |
2011 | } |
2504 | } |
2012 | |
2505 | |
2013 | #endif /* multiplicity */ |
2506 | #endif /* multiplicity */ |
2014 | |
2507 | |
2015 | #if EV_VERIFY |
2508 | #if EV_VERIFY |
2016 | static void noinline |
2509 | static void noinline ecb_cold |
2017 | verify_watcher (EV_P_ W w) |
2510 | verify_watcher (EV_P_ W w) |
2018 | { |
2511 | { |
2019 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
2512 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
2020 | |
2513 | |
2021 | if (w->pending) |
2514 | if (w->pending) |
2022 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
2515 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
2023 | } |
2516 | } |
2024 | |
2517 | |
2025 | static void noinline |
2518 | static void noinline ecb_cold |
2026 | verify_heap (EV_P_ ANHE *heap, int N) |
2519 | verify_heap (EV_P_ ANHE *heap, int N) |
2027 | { |
2520 | { |
2028 | int i; |
2521 | int i; |
2029 | |
2522 | |
2030 | for (i = HEAP0; i < N + HEAP0; ++i) |
2523 | for (i = HEAP0; i < N + HEAP0; ++i) |
… | |
… | |
2035 | |
2528 | |
2036 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
2529 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
2037 | } |
2530 | } |
2038 | } |
2531 | } |
2039 | |
2532 | |
2040 | static void noinline |
2533 | static void noinline ecb_cold |
2041 | array_verify (EV_P_ W *ws, int cnt) |
2534 | array_verify (EV_P_ W *ws, int cnt) |
2042 | { |
2535 | { |
2043 | while (cnt--) |
2536 | while (cnt--) |
2044 | { |
2537 | { |
2045 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
2538 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
… | |
… | |
2047 | } |
2540 | } |
2048 | } |
2541 | } |
2049 | #endif |
2542 | #endif |
2050 | |
2543 | |
2051 | #if EV_FEATURE_API |
2544 | #if EV_FEATURE_API |
2052 | void |
2545 | void ecb_cold |
2053 | ev_verify (EV_P) |
2546 | ev_verify (EV_P) EV_THROW |
2054 | { |
2547 | { |
2055 | #if EV_VERIFY |
2548 | #if EV_VERIFY |
2056 | int i; |
2549 | int i; |
2057 | WL w; |
2550 | WL w; |
2058 | |
2551 | |
… | |
… | |
2123 | #endif |
2616 | #endif |
2124 | } |
2617 | } |
2125 | #endif |
2618 | #endif |
2126 | |
2619 | |
2127 | #if EV_MULTIPLICITY |
2620 | #if EV_MULTIPLICITY |
2128 | struct ev_loop * |
2621 | struct ev_loop * ecb_cold |
2129 | #else |
2622 | #else |
2130 | int |
2623 | int |
2131 | #endif |
2624 | #endif |
2132 | ev_default_loop (unsigned int flags) |
2625 | ev_default_loop (unsigned int flags) EV_THROW |
2133 | { |
2626 | { |
2134 | if (!ev_default_loop_ptr) |
2627 | if (!ev_default_loop_ptr) |
2135 | { |
2628 | { |
2136 | #if EV_MULTIPLICITY |
2629 | #if EV_MULTIPLICITY |
2137 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
2630 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
… | |
… | |
2156 | |
2649 | |
2157 | return ev_default_loop_ptr; |
2650 | return ev_default_loop_ptr; |
2158 | } |
2651 | } |
2159 | |
2652 | |
2160 | void |
2653 | void |
2161 | ev_loop_fork (EV_P) |
2654 | ev_loop_fork (EV_P) EV_THROW |
2162 | { |
2655 | { |
2163 | postfork = 1; /* must be in line with ev_default_fork */ |
2656 | postfork = 1; /* must be in line with ev_default_fork */ |
2164 | } |
2657 | } |
2165 | |
2658 | |
2166 | /*****************************************************************************/ |
2659 | /*****************************************************************************/ |
… | |
… | |
2170 | { |
2663 | { |
2171 | EV_CB_INVOKE ((W)w, revents); |
2664 | EV_CB_INVOKE ((W)w, revents); |
2172 | } |
2665 | } |
2173 | |
2666 | |
2174 | unsigned int |
2667 | unsigned int |
2175 | ev_pending_count (EV_P) |
2668 | ev_pending_count (EV_P) EV_THROW |
2176 | { |
2669 | { |
2177 | int pri; |
2670 | int pri; |
2178 | unsigned int count = 0; |
2671 | unsigned int count = 0; |
2179 | |
2672 | |
2180 | for (pri = NUMPRI; pri--; ) |
2673 | for (pri = NUMPRI; pri--; ) |
… | |
… | |
2332 | } |
2825 | } |
2333 | } |
2826 | } |
2334 | |
2827 | |
2335 | /* simply recalculate all periodics */ |
2828 | /* simply recalculate all periodics */ |
2336 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
2829 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
2337 | static void noinline |
2830 | static void noinline ecb_cold |
2338 | periodics_reschedule (EV_P) |
2831 | periodics_reschedule (EV_P) |
2339 | { |
2832 | { |
2340 | int i; |
2833 | int i; |
2341 | |
2834 | |
2342 | /* adjust periodics after time jump */ |
2835 | /* adjust periodics after time jump */ |
… | |
… | |
2355 | reheap (periodics, periodiccnt); |
2848 | reheap (periodics, periodiccnt); |
2356 | } |
2849 | } |
2357 | #endif |
2850 | #endif |
2358 | |
2851 | |
2359 | /* adjust all timers by a given offset */ |
2852 | /* adjust all timers by a given offset */ |
2360 | static void noinline |
2853 | static void noinline ecb_cold |
2361 | timers_reschedule (EV_P_ ev_tstamp adjust) |
2854 | timers_reschedule (EV_P_ ev_tstamp adjust) |
2362 | { |
2855 | { |
2363 | int i; |
2856 | int i; |
2364 | |
2857 | |
2365 | for (i = 0; i < timercnt; ++i) |
2858 | for (i = 0; i < timercnt; ++i) |
… | |
… | |
2439 | |
2932 | |
2440 | mn_now = ev_rt_now; |
2933 | mn_now = ev_rt_now; |
2441 | } |
2934 | } |
2442 | } |
2935 | } |
2443 | |
2936 | |
2444 | void |
2937 | int |
2445 | ev_run (EV_P_ int flags) |
2938 | ev_run (EV_P_ int flags) |
2446 | { |
2939 | { |
2447 | #if EV_FEATURE_API |
2940 | #if EV_FEATURE_API |
2448 | ++loop_depth; |
2941 | ++loop_depth; |
2449 | #endif |
2942 | #endif |
… | |
… | |
2507 | ev_tstamp prev_mn_now = mn_now; |
3000 | ev_tstamp prev_mn_now = mn_now; |
2508 | |
3001 | |
2509 | /* update time to cancel out callback processing overhead */ |
3002 | /* update time to cancel out callback processing overhead */ |
2510 | time_update (EV_A_ 1e100); |
3003 | time_update (EV_A_ 1e100); |
2511 | |
3004 | |
|
|
3005 | /* from now on, we want a pipe-wake-up */ |
|
|
3006 | pipe_write_wanted = 1; |
|
|
3007 | |
|
|
3008 | ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */ |
|
|
3009 | |
2512 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt))) |
3010 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) |
2513 | { |
3011 | { |
2514 | waittime = MAX_BLOCKTIME; |
3012 | waittime = MAX_BLOCKTIME; |
2515 | |
3013 | |
2516 | if (timercnt) |
3014 | if (timercnt) |
2517 | { |
3015 | { |
2518 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
3016 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now; |
2519 | if (waittime > to) waittime = to; |
3017 | if (waittime > to) waittime = to; |
2520 | } |
3018 | } |
2521 | |
3019 | |
2522 | #if EV_PERIODIC_ENABLE |
3020 | #if EV_PERIODIC_ENABLE |
2523 | if (periodiccnt) |
3021 | if (periodiccnt) |
2524 | { |
3022 | { |
2525 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; |
3023 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now; |
2526 | if (waittime > to) waittime = to; |
3024 | if (waittime > to) waittime = to; |
2527 | } |
3025 | } |
2528 | #endif |
3026 | #endif |
2529 | |
3027 | |
2530 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
3028 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
2531 | if (expect_false (waittime < timeout_blocktime)) |
3029 | if (expect_false (waittime < timeout_blocktime)) |
2532 | waittime = timeout_blocktime; |
3030 | waittime = timeout_blocktime; |
|
|
3031 | |
|
|
3032 | /* at this point, we NEED to wait, so we have to ensure */ |
|
|
3033 | /* to pass a minimum nonzero value to the backend */ |
|
|
3034 | if (expect_false (waittime < backend_mintime)) |
|
|
3035 | waittime = backend_mintime; |
2533 | |
3036 | |
2534 | /* extra check because io_blocktime is commonly 0 */ |
3037 | /* extra check because io_blocktime is commonly 0 */ |
2535 | if (expect_false (io_blocktime)) |
3038 | if (expect_false (io_blocktime)) |
2536 | { |
3039 | { |
2537 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
3040 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
2538 | |
3041 | |
2539 | if (sleeptime > waittime - backend_fudge) |
3042 | if (sleeptime > waittime - backend_mintime) |
2540 | sleeptime = waittime - backend_fudge; |
3043 | sleeptime = waittime - backend_mintime; |
2541 | |
3044 | |
2542 | if (expect_true (sleeptime > 0.)) |
3045 | if (expect_true (sleeptime > 0.)) |
2543 | { |
3046 | { |
2544 | ev_sleep (sleeptime); |
3047 | ev_sleep (sleeptime); |
2545 | waittime -= sleeptime; |
3048 | waittime -= sleeptime; |
… | |
… | |
2552 | #endif |
3055 | #endif |
2553 | assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ |
3056 | assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ |
2554 | backend_poll (EV_A_ waittime); |
3057 | backend_poll (EV_A_ waittime); |
2555 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
3058 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
2556 | |
3059 | |
|
|
3060 | pipe_write_wanted = 0; /* just an optimisation, no fence needed */ |
|
|
3061 | |
|
|
3062 | if (pipe_write_skipped) |
|
|
3063 | { |
|
|
3064 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
|
|
3065 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
|
|
3066 | } |
|
|
3067 | |
|
|
3068 | |
2557 | /* update ev_rt_now, do magic */ |
3069 | /* update ev_rt_now, do magic */ |
2558 | time_update (EV_A_ waittime + sleeptime); |
3070 | time_update (EV_A_ waittime + sleeptime); |
2559 | } |
3071 | } |
2560 | |
3072 | |
2561 | /* queue pending timers and reschedule them */ |
3073 | /* queue pending timers and reschedule them */ |
… | |
… | |
2587 | loop_done = EVBREAK_CANCEL; |
3099 | loop_done = EVBREAK_CANCEL; |
2588 | |
3100 | |
2589 | #if EV_FEATURE_API |
3101 | #if EV_FEATURE_API |
2590 | --loop_depth; |
3102 | --loop_depth; |
2591 | #endif |
3103 | #endif |
|
|
3104 | |
|
|
3105 | return activecnt; |
2592 | } |
3106 | } |
2593 | |
3107 | |
2594 | void |
3108 | void |
2595 | ev_break (EV_P_ int how) |
3109 | ev_break (EV_P_ int how) EV_THROW |
2596 | { |
3110 | { |
2597 | loop_done = how; |
3111 | loop_done = how; |
2598 | } |
3112 | } |
2599 | |
3113 | |
2600 | void |
3114 | void |
2601 | ev_ref (EV_P) |
3115 | ev_ref (EV_P) EV_THROW |
2602 | { |
3116 | { |
2603 | ++activecnt; |
3117 | ++activecnt; |
2604 | } |
3118 | } |
2605 | |
3119 | |
2606 | void |
3120 | void |
2607 | ev_unref (EV_P) |
3121 | ev_unref (EV_P) EV_THROW |
2608 | { |
3122 | { |
2609 | --activecnt; |
3123 | --activecnt; |
2610 | } |
3124 | } |
2611 | |
3125 | |
2612 | void |
3126 | void |
2613 | ev_now_update (EV_P) |
3127 | ev_now_update (EV_P) EV_THROW |
2614 | { |
3128 | { |
2615 | time_update (EV_A_ 1e100); |
3129 | time_update (EV_A_ 1e100); |
2616 | } |
3130 | } |
2617 | |
3131 | |
2618 | void |
3132 | void |
2619 | ev_suspend (EV_P) |
3133 | ev_suspend (EV_P) EV_THROW |
2620 | { |
3134 | { |
2621 | ev_now_update (EV_A); |
3135 | ev_now_update (EV_A); |
2622 | } |
3136 | } |
2623 | |
3137 | |
2624 | void |
3138 | void |
2625 | ev_resume (EV_P) |
3139 | ev_resume (EV_P) EV_THROW |
2626 | { |
3140 | { |
2627 | ev_tstamp mn_prev = mn_now; |
3141 | ev_tstamp mn_prev = mn_now; |
2628 | |
3142 | |
2629 | ev_now_update (EV_A); |
3143 | ev_now_update (EV_A); |
2630 | timers_reschedule (EV_A_ mn_now - mn_prev); |
3144 | timers_reschedule (EV_A_ mn_now - mn_prev); |
… | |
… | |
2669 | w->pending = 0; |
3183 | w->pending = 0; |
2670 | } |
3184 | } |
2671 | } |
3185 | } |
2672 | |
3186 | |
2673 | int |
3187 | int |
2674 | ev_clear_pending (EV_P_ void *w) |
3188 | ev_clear_pending (EV_P_ void *w) EV_THROW |
2675 | { |
3189 | { |
2676 | W w_ = (W)w; |
3190 | W w_ = (W)w; |
2677 | int pending = w_->pending; |
3191 | int pending = w_->pending; |
2678 | |
3192 | |
2679 | if (expect_true (pending)) |
3193 | if (expect_true (pending)) |
… | |
… | |
2712 | } |
3226 | } |
2713 | |
3227 | |
2714 | /*****************************************************************************/ |
3228 | /*****************************************************************************/ |
2715 | |
3229 | |
2716 | void noinline |
3230 | void noinline |
2717 | ev_io_start (EV_P_ ev_io *w) |
3231 | ev_io_start (EV_P_ ev_io *w) EV_THROW |
2718 | { |
3232 | { |
2719 | int fd = w->fd; |
3233 | int fd = w->fd; |
2720 | |
3234 | |
2721 | if (expect_false (ev_is_active (w))) |
3235 | if (expect_false (ev_is_active (w))) |
2722 | return; |
3236 | return; |
… | |
… | |
2735 | |
3249 | |
2736 | EV_FREQUENT_CHECK; |
3250 | EV_FREQUENT_CHECK; |
2737 | } |
3251 | } |
2738 | |
3252 | |
2739 | void noinline |
3253 | void noinline |
2740 | ev_io_stop (EV_P_ ev_io *w) |
3254 | ev_io_stop (EV_P_ ev_io *w) EV_THROW |
2741 | { |
3255 | { |
2742 | clear_pending (EV_A_ (W)w); |
3256 | clear_pending (EV_A_ (W)w); |
2743 | if (expect_false (!ev_is_active (w))) |
3257 | if (expect_false (!ev_is_active (w))) |
2744 | return; |
3258 | return; |
2745 | |
3259 | |
… | |
… | |
2754 | |
3268 | |
2755 | EV_FREQUENT_CHECK; |
3269 | EV_FREQUENT_CHECK; |
2756 | } |
3270 | } |
2757 | |
3271 | |
2758 | void noinline |
3272 | void noinline |
2759 | ev_timer_start (EV_P_ ev_timer *w) |
3273 | ev_timer_start (EV_P_ ev_timer *w) EV_THROW |
2760 | { |
3274 | { |
2761 | if (expect_false (ev_is_active (w))) |
3275 | if (expect_false (ev_is_active (w))) |
2762 | return; |
3276 | return; |
2763 | |
3277 | |
2764 | ev_at (w) += mn_now; |
3278 | ev_at (w) += mn_now; |
… | |
… | |
2778 | |
3292 | |
2779 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
3293 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
2780 | } |
3294 | } |
2781 | |
3295 | |
2782 | void noinline |
3296 | void noinline |
2783 | ev_timer_stop (EV_P_ ev_timer *w) |
3297 | ev_timer_stop (EV_P_ ev_timer *w) EV_THROW |
2784 | { |
3298 | { |
2785 | clear_pending (EV_A_ (W)w); |
3299 | clear_pending (EV_A_ (W)w); |
2786 | if (expect_false (!ev_is_active (w))) |
3300 | if (expect_false (!ev_is_active (w))) |
2787 | return; |
3301 | return; |
2788 | |
3302 | |
… | |
… | |
2808 | |
3322 | |
2809 | EV_FREQUENT_CHECK; |
3323 | EV_FREQUENT_CHECK; |
2810 | } |
3324 | } |
2811 | |
3325 | |
2812 | void noinline |
3326 | void noinline |
2813 | ev_timer_again (EV_P_ ev_timer *w) |
3327 | ev_timer_again (EV_P_ ev_timer *w) EV_THROW |
2814 | { |
3328 | { |
2815 | EV_FREQUENT_CHECK; |
3329 | EV_FREQUENT_CHECK; |
|
|
3330 | |
|
|
3331 | clear_pending (EV_A_ (W)w); |
2816 | |
3332 | |
2817 | if (ev_is_active (w)) |
3333 | if (ev_is_active (w)) |
2818 | { |
3334 | { |
2819 | if (w->repeat) |
3335 | if (w->repeat) |
2820 | { |
3336 | { |
… | |
… | |
2833 | |
3349 | |
2834 | EV_FREQUENT_CHECK; |
3350 | EV_FREQUENT_CHECK; |
2835 | } |
3351 | } |
2836 | |
3352 | |
2837 | ev_tstamp |
3353 | ev_tstamp |
2838 | ev_timer_remaining (EV_P_ ev_timer *w) |
3354 | ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW |
2839 | { |
3355 | { |
2840 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
3356 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
2841 | } |
3357 | } |
2842 | |
3358 | |
2843 | #if EV_PERIODIC_ENABLE |
3359 | #if EV_PERIODIC_ENABLE |
2844 | void noinline |
3360 | void noinline |
2845 | ev_periodic_start (EV_P_ ev_periodic *w) |
3361 | ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW |
2846 | { |
3362 | { |
2847 | if (expect_false (ev_is_active (w))) |
3363 | if (expect_false (ev_is_active (w))) |
2848 | return; |
3364 | return; |
2849 | |
3365 | |
2850 | if (w->reschedule_cb) |
3366 | if (w->reschedule_cb) |
… | |
… | |
2870 | |
3386 | |
2871 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
3387 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
2872 | } |
3388 | } |
2873 | |
3389 | |
2874 | void noinline |
3390 | void noinline |
2875 | ev_periodic_stop (EV_P_ ev_periodic *w) |
3391 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW |
2876 | { |
3392 | { |
2877 | clear_pending (EV_A_ (W)w); |
3393 | clear_pending (EV_A_ (W)w); |
2878 | if (expect_false (!ev_is_active (w))) |
3394 | if (expect_false (!ev_is_active (w))) |
2879 | return; |
3395 | return; |
2880 | |
3396 | |
… | |
… | |
2898 | |
3414 | |
2899 | EV_FREQUENT_CHECK; |
3415 | EV_FREQUENT_CHECK; |
2900 | } |
3416 | } |
2901 | |
3417 | |
2902 | void noinline |
3418 | void noinline |
2903 | ev_periodic_again (EV_P_ ev_periodic *w) |
3419 | ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW |
2904 | { |
3420 | { |
2905 | /* TODO: use adjustheap and recalculation */ |
3421 | /* TODO: use adjustheap and recalculation */ |
2906 | ev_periodic_stop (EV_A_ w); |
3422 | ev_periodic_stop (EV_A_ w); |
2907 | ev_periodic_start (EV_A_ w); |
3423 | ev_periodic_start (EV_A_ w); |
2908 | } |
3424 | } |
… | |
… | |
2913 | #endif |
3429 | #endif |
2914 | |
3430 | |
2915 | #if EV_SIGNAL_ENABLE |
3431 | #if EV_SIGNAL_ENABLE |
2916 | |
3432 | |
2917 | void noinline |
3433 | void noinline |
2918 | ev_signal_start (EV_P_ ev_signal *w) |
3434 | ev_signal_start (EV_P_ ev_signal *w) EV_THROW |
2919 | { |
3435 | { |
2920 | if (expect_false (ev_is_active (w))) |
3436 | if (expect_false (ev_is_active (w))) |
2921 | return; |
3437 | return; |
2922 | |
3438 | |
2923 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
3439 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
… | |
… | |
2994 | |
3510 | |
2995 | EV_FREQUENT_CHECK; |
3511 | EV_FREQUENT_CHECK; |
2996 | } |
3512 | } |
2997 | |
3513 | |
2998 | void noinline |
3514 | void noinline |
2999 | ev_signal_stop (EV_P_ ev_signal *w) |
3515 | ev_signal_stop (EV_P_ ev_signal *w) EV_THROW |
3000 | { |
3516 | { |
3001 | clear_pending (EV_A_ (W)w); |
3517 | clear_pending (EV_A_ (W)w); |
3002 | if (expect_false (!ev_is_active (w))) |
3518 | if (expect_false (!ev_is_active (w))) |
3003 | return; |
3519 | return; |
3004 | |
3520 | |
… | |
… | |
3035 | #endif |
3551 | #endif |
3036 | |
3552 | |
3037 | #if EV_CHILD_ENABLE |
3553 | #if EV_CHILD_ENABLE |
3038 | |
3554 | |
3039 | void |
3555 | void |
3040 | ev_child_start (EV_P_ ev_child *w) |
3556 | ev_child_start (EV_P_ ev_child *w) EV_THROW |
3041 | { |
3557 | { |
3042 | #if EV_MULTIPLICITY |
3558 | #if EV_MULTIPLICITY |
3043 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
3559 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
3044 | #endif |
3560 | #endif |
3045 | if (expect_false (ev_is_active (w))) |
3561 | if (expect_false (ev_is_active (w))) |
… | |
… | |
3052 | |
3568 | |
3053 | EV_FREQUENT_CHECK; |
3569 | EV_FREQUENT_CHECK; |
3054 | } |
3570 | } |
3055 | |
3571 | |
3056 | void |
3572 | void |
3057 | ev_child_stop (EV_P_ ev_child *w) |
3573 | ev_child_stop (EV_P_ ev_child *w) EV_THROW |
3058 | { |
3574 | { |
3059 | clear_pending (EV_A_ (W)w); |
3575 | clear_pending (EV_A_ (W)w); |
3060 | if (expect_false (!ev_is_active (w))) |
3576 | if (expect_false (!ev_is_active (w))) |
3061 | return; |
3577 | return; |
3062 | |
3578 | |
… | |
… | |
3214 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
3730 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
3215 | ofs += sizeof (struct inotify_event) + ev->len; |
3731 | ofs += sizeof (struct inotify_event) + ev->len; |
3216 | } |
3732 | } |
3217 | } |
3733 | } |
3218 | |
3734 | |
3219 | inline_size void |
3735 | inline_size void ecb_cold |
3220 | ev_check_2625 (EV_P) |
3736 | ev_check_2625 (EV_P) |
3221 | { |
3737 | { |
3222 | /* kernels < 2.6.25 are borked |
3738 | /* kernels < 2.6.25 are borked |
3223 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
3739 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
3224 | */ |
3740 | */ |
… | |
… | |
3229 | } |
3745 | } |
3230 | |
3746 | |
3231 | inline_size int |
3747 | inline_size int |
3232 | infy_newfd (void) |
3748 | infy_newfd (void) |
3233 | { |
3749 | { |
3234 | #if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) |
3750 | #if defined IN_CLOEXEC && defined IN_NONBLOCK |
3235 | int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); |
3751 | int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); |
3236 | if (fd >= 0) |
3752 | if (fd >= 0) |
3237 | return fd; |
3753 | return fd; |
3238 | #endif |
3754 | #endif |
3239 | return inotify_init (); |
3755 | return inotify_init (); |
… | |
… | |
3314 | #else |
3830 | #else |
3315 | # define EV_LSTAT(p,b) lstat (p, b) |
3831 | # define EV_LSTAT(p,b) lstat (p, b) |
3316 | #endif |
3832 | #endif |
3317 | |
3833 | |
3318 | void |
3834 | void |
3319 | ev_stat_stat (EV_P_ ev_stat *w) |
3835 | ev_stat_stat (EV_P_ ev_stat *w) EV_THROW |
3320 | { |
3836 | { |
3321 | if (lstat (w->path, &w->attr) < 0) |
3837 | if (lstat (w->path, &w->attr) < 0) |
3322 | w->attr.st_nlink = 0; |
3838 | w->attr.st_nlink = 0; |
3323 | else if (!w->attr.st_nlink) |
3839 | else if (!w->attr.st_nlink) |
3324 | w->attr.st_nlink = 1; |
3840 | w->attr.st_nlink = 1; |
… | |
… | |
3363 | ev_feed_event (EV_A_ w, EV_STAT); |
3879 | ev_feed_event (EV_A_ w, EV_STAT); |
3364 | } |
3880 | } |
3365 | } |
3881 | } |
3366 | |
3882 | |
3367 | void |
3883 | void |
3368 | ev_stat_start (EV_P_ ev_stat *w) |
3884 | ev_stat_start (EV_P_ ev_stat *w) EV_THROW |
3369 | { |
3885 | { |
3370 | if (expect_false (ev_is_active (w))) |
3886 | if (expect_false (ev_is_active (w))) |
3371 | return; |
3887 | return; |
3372 | |
3888 | |
3373 | ev_stat_stat (EV_A_ w); |
3889 | ev_stat_stat (EV_A_ w); |
… | |
… | |
3394 | |
3910 | |
3395 | EV_FREQUENT_CHECK; |
3911 | EV_FREQUENT_CHECK; |
3396 | } |
3912 | } |
3397 | |
3913 | |
3398 | void |
3914 | void |
3399 | ev_stat_stop (EV_P_ ev_stat *w) |
3915 | ev_stat_stop (EV_P_ ev_stat *w) EV_THROW |
3400 | { |
3916 | { |
3401 | clear_pending (EV_A_ (W)w); |
3917 | clear_pending (EV_A_ (W)w); |
3402 | if (expect_false (!ev_is_active (w))) |
3918 | if (expect_false (!ev_is_active (w))) |
3403 | return; |
3919 | return; |
3404 | |
3920 | |
… | |
… | |
3420 | } |
3936 | } |
3421 | #endif |
3937 | #endif |
3422 | |
3938 | |
3423 | #if EV_IDLE_ENABLE |
3939 | #if EV_IDLE_ENABLE |
3424 | void |
3940 | void |
3425 | ev_idle_start (EV_P_ ev_idle *w) |
3941 | ev_idle_start (EV_P_ ev_idle *w) EV_THROW |
3426 | { |
3942 | { |
3427 | if (expect_false (ev_is_active (w))) |
3943 | if (expect_false (ev_is_active (w))) |
3428 | return; |
3944 | return; |
3429 | |
3945 | |
3430 | pri_adjust (EV_A_ (W)w); |
3946 | pri_adjust (EV_A_ (W)w); |
… | |
… | |
3443 | |
3959 | |
3444 | EV_FREQUENT_CHECK; |
3960 | EV_FREQUENT_CHECK; |
3445 | } |
3961 | } |
3446 | |
3962 | |
3447 | void |
3963 | void |
3448 | ev_idle_stop (EV_P_ ev_idle *w) |
3964 | ev_idle_stop (EV_P_ ev_idle *w) EV_THROW |
3449 | { |
3965 | { |
3450 | clear_pending (EV_A_ (W)w); |
3966 | clear_pending (EV_A_ (W)w); |
3451 | if (expect_false (!ev_is_active (w))) |
3967 | if (expect_false (!ev_is_active (w))) |
3452 | return; |
3968 | return; |
3453 | |
3969 | |
… | |
… | |
3467 | } |
3983 | } |
3468 | #endif |
3984 | #endif |
3469 | |
3985 | |
3470 | #if EV_PREPARE_ENABLE |
3986 | #if EV_PREPARE_ENABLE |
3471 | void |
3987 | void |
3472 | ev_prepare_start (EV_P_ ev_prepare *w) |
3988 | ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW |
3473 | { |
3989 | { |
3474 | if (expect_false (ev_is_active (w))) |
3990 | if (expect_false (ev_is_active (w))) |
3475 | return; |
3991 | return; |
3476 | |
3992 | |
3477 | EV_FREQUENT_CHECK; |
3993 | EV_FREQUENT_CHECK; |
… | |
… | |
3482 | |
3998 | |
3483 | EV_FREQUENT_CHECK; |
3999 | EV_FREQUENT_CHECK; |
3484 | } |
4000 | } |
3485 | |
4001 | |
3486 | void |
4002 | void |
3487 | ev_prepare_stop (EV_P_ ev_prepare *w) |
4003 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW |
3488 | { |
4004 | { |
3489 | clear_pending (EV_A_ (W)w); |
4005 | clear_pending (EV_A_ (W)w); |
3490 | if (expect_false (!ev_is_active (w))) |
4006 | if (expect_false (!ev_is_active (w))) |
3491 | return; |
4007 | return; |
3492 | |
4008 | |
… | |
… | |
3505 | } |
4021 | } |
3506 | #endif |
4022 | #endif |
3507 | |
4023 | |
3508 | #if EV_CHECK_ENABLE |
4024 | #if EV_CHECK_ENABLE |
3509 | void |
4025 | void |
3510 | ev_check_start (EV_P_ ev_check *w) |
4026 | ev_check_start (EV_P_ ev_check *w) EV_THROW |
3511 | { |
4027 | { |
3512 | if (expect_false (ev_is_active (w))) |
4028 | if (expect_false (ev_is_active (w))) |
3513 | return; |
4029 | return; |
3514 | |
4030 | |
3515 | EV_FREQUENT_CHECK; |
4031 | EV_FREQUENT_CHECK; |
… | |
… | |
3520 | |
4036 | |
3521 | EV_FREQUENT_CHECK; |
4037 | EV_FREQUENT_CHECK; |
3522 | } |
4038 | } |
3523 | |
4039 | |
3524 | void |
4040 | void |
3525 | ev_check_stop (EV_P_ ev_check *w) |
4041 | ev_check_stop (EV_P_ ev_check *w) EV_THROW |
3526 | { |
4042 | { |
3527 | clear_pending (EV_A_ (W)w); |
4043 | clear_pending (EV_A_ (W)w); |
3528 | if (expect_false (!ev_is_active (w))) |
4044 | if (expect_false (!ev_is_active (w))) |
3529 | return; |
4045 | return; |
3530 | |
4046 | |
… | |
… | |
3543 | } |
4059 | } |
3544 | #endif |
4060 | #endif |
3545 | |
4061 | |
3546 | #if EV_EMBED_ENABLE |
4062 | #if EV_EMBED_ENABLE |
3547 | void noinline |
4063 | void noinline |
3548 | ev_embed_sweep (EV_P_ ev_embed *w) |
4064 | ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW |
3549 | { |
4065 | { |
3550 | ev_run (w->other, EVRUN_NOWAIT); |
4066 | ev_run (w->other, EVRUN_NOWAIT); |
3551 | } |
4067 | } |
3552 | |
4068 | |
3553 | static void |
4069 | static void |
… | |
… | |
3601 | ev_idle_stop (EV_A_ idle); |
4117 | ev_idle_stop (EV_A_ idle); |
3602 | } |
4118 | } |
3603 | #endif |
4119 | #endif |
3604 | |
4120 | |
3605 | void |
4121 | void |
3606 | ev_embed_start (EV_P_ ev_embed *w) |
4122 | ev_embed_start (EV_P_ ev_embed *w) EV_THROW |
3607 | { |
4123 | { |
3608 | if (expect_false (ev_is_active (w))) |
4124 | if (expect_false (ev_is_active (w))) |
3609 | return; |
4125 | return; |
3610 | |
4126 | |
3611 | { |
4127 | { |
… | |
… | |
3632 | |
4148 | |
3633 | EV_FREQUENT_CHECK; |
4149 | EV_FREQUENT_CHECK; |
3634 | } |
4150 | } |
3635 | |
4151 | |
3636 | void |
4152 | void |
3637 | ev_embed_stop (EV_P_ ev_embed *w) |
4153 | ev_embed_stop (EV_P_ ev_embed *w) EV_THROW |
3638 | { |
4154 | { |
3639 | clear_pending (EV_A_ (W)w); |
4155 | clear_pending (EV_A_ (W)w); |
3640 | if (expect_false (!ev_is_active (w))) |
4156 | if (expect_false (!ev_is_active (w))) |
3641 | return; |
4157 | return; |
3642 | |
4158 | |
… | |
… | |
3652 | } |
4168 | } |
3653 | #endif |
4169 | #endif |
3654 | |
4170 | |
3655 | #if EV_FORK_ENABLE |
4171 | #if EV_FORK_ENABLE |
3656 | void |
4172 | void |
3657 | ev_fork_start (EV_P_ ev_fork *w) |
4173 | ev_fork_start (EV_P_ ev_fork *w) EV_THROW |
3658 | { |
4174 | { |
3659 | if (expect_false (ev_is_active (w))) |
4175 | if (expect_false (ev_is_active (w))) |
3660 | return; |
4176 | return; |
3661 | |
4177 | |
3662 | EV_FREQUENT_CHECK; |
4178 | EV_FREQUENT_CHECK; |
… | |
… | |
3667 | |
4183 | |
3668 | EV_FREQUENT_CHECK; |
4184 | EV_FREQUENT_CHECK; |
3669 | } |
4185 | } |
3670 | |
4186 | |
3671 | void |
4187 | void |
3672 | ev_fork_stop (EV_P_ ev_fork *w) |
4188 | ev_fork_stop (EV_P_ ev_fork *w) EV_THROW |
3673 | { |
4189 | { |
3674 | clear_pending (EV_A_ (W)w); |
4190 | clear_pending (EV_A_ (W)w); |
3675 | if (expect_false (!ev_is_active (w))) |
4191 | if (expect_false (!ev_is_active (w))) |
3676 | return; |
4192 | return; |
3677 | |
4193 | |
… | |
… | |
3690 | } |
4206 | } |
3691 | #endif |
4207 | #endif |
3692 | |
4208 | |
3693 | #if EV_CLEANUP_ENABLE |
4209 | #if EV_CLEANUP_ENABLE |
3694 | void |
4210 | void |
3695 | ev_cleanup_start (EV_P_ ev_cleanup *w) |
4211 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW |
3696 | { |
4212 | { |
3697 | if (expect_false (ev_is_active (w))) |
4213 | if (expect_false (ev_is_active (w))) |
3698 | return; |
4214 | return; |
3699 | |
4215 | |
3700 | EV_FREQUENT_CHECK; |
4216 | EV_FREQUENT_CHECK; |
… | |
… | |
3707 | ev_unref (EV_A); |
4223 | ev_unref (EV_A); |
3708 | EV_FREQUENT_CHECK; |
4224 | EV_FREQUENT_CHECK; |
3709 | } |
4225 | } |
3710 | |
4226 | |
3711 | void |
4227 | void |
3712 | ev_cleanup_stop (EV_P_ ev_cleanup *w) |
4228 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW |
3713 | { |
4229 | { |
3714 | clear_pending (EV_A_ (W)w); |
4230 | clear_pending (EV_A_ (W)w); |
3715 | if (expect_false (!ev_is_active (w))) |
4231 | if (expect_false (!ev_is_active (w))) |
3716 | return; |
4232 | return; |
3717 | |
4233 | |
… | |
… | |
3731 | } |
4247 | } |
3732 | #endif |
4248 | #endif |
3733 | |
4249 | |
3734 | #if EV_ASYNC_ENABLE |
4250 | #if EV_ASYNC_ENABLE |
3735 | void |
4251 | void |
3736 | ev_async_start (EV_P_ ev_async *w) |
4252 | ev_async_start (EV_P_ ev_async *w) EV_THROW |
3737 | { |
4253 | { |
3738 | if (expect_false (ev_is_active (w))) |
4254 | if (expect_false (ev_is_active (w))) |
3739 | return; |
4255 | return; |
3740 | |
4256 | |
3741 | w->sent = 0; |
4257 | w->sent = 0; |
… | |
… | |
3750 | |
4266 | |
3751 | EV_FREQUENT_CHECK; |
4267 | EV_FREQUENT_CHECK; |
3752 | } |
4268 | } |
3753 | |
4269 | |
3754 | void |
4270 | void |
3755 | ev_async_stop (EV_P_ ev_async *w) |
4271 | ev_async_stop (EV_P_ ev_async *w) EV_THROW |
3756 | { |
4272 | { |
3757 | clear_pending (EV_A_ (W)w); |
4273 | clear_pending (EV_A_ (W)w); |
3758 | if (expect_false (!ev_is_active (w))) |
4274 | if (expect_false (!ev_is_active (w))) |
3759 | return; |
4275 | return; |
3760 | |
4276 | |
… | |
… | |
3771 | |
4287 | |
3772 | EV_FREQUENT_CHECK; |
4288 | EV_FREQUENT_CHECK; |
3773 | } |
4289 | } |
3774 | |
4290 | |
3775 | void |
4291 | void |
3776 | ev_async_send (EV_P_ ev_async *w) |
4292 | ev_async_send (EV_P_ ev_async *w) EV_THROW |
3777 | { |
4293 | { |
3778 | w->sent = 1; |
4294 | w->sent = 1; |
3779 | evpipe_write (EV_A_ &async_pending); |
4295 | evpipe_write (EV_A_ &async_pending); |
3780 | } |
4296 | } |
3781 | #endif |
4297 | #endif |
… | |
… | |
3818 | |
4334 | |
3819 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
4335 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
3820 | } |
4336 | } |
3821 | |
4337 | |
3822 | void |
4338 | void |
3823 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
4339 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW |
3824 | { |
4340 | { |
3825 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
4341 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
3826 | |
4342 | |
3827 | if (expect_false (!once)) |
4343 | if (expect_false (!once)) |
3828 | { |
4344 | { |
… | |
… | |
3849 | } |
4365 | } |
3850 | |
4366 | |
3851 | /*****************************************************************************/ |
4367 | /*****************************************************************************/ |
3852 | |
4368 | |
3853 | #if EV_WALK_ENABLE |
4369 | #if EV_WALK_ENABLE |
3854 | void |
4370 | void ecb_cold |
3855 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) |
4371 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW |
3856 | { |
4372 | { |
3857 | int i, j; |
4373 | int i, j; |
3858 | ev_watcher_list *wl, *wn; |
4374 | ev_watcher_list *wl, *wn; |
3859 | |
4375 | |
3860 | if (types & (EV_IO | EV_EMBED)) |
4376 | if (types & (EV_IO | EV_EMBED)) |
… | |
… | |
3903 | cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i])); |
4419 | cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i])); |
3904 | #endif |
4420 | #endif |
3905 | |
4421 | |
3906 | #if EV_IDLE_ENABLE |
4422 | #if EV_IDLE_ENABLE |
3907 | if (types & EV_IDLE) |
4423 | if (types & EV_IDLE) |
3908 | for (j = NUMPRI; i--; ) |
4424 | for (j = NUMPRI; j--; ) |
3909 | for (i = idlecnt [j]; i--; ) |
4425 | for (i = idlecnt [j]; i--; ) |
3910 | cb (EV_A_ EV_IDLE, idles [j][i]); |
4426 | cb (EV_A_ EV_IDLE, idles [j][i]); |
3911 | #endif |
4427 | #endif |
3912 | |
4428 | |
3913 | #if EV_FORK_ENABLE |
4429 | #if EV_FORK_ENABLE |
… | |
… | |
3966 | |
4482 | |
3967 | #if EV_MULTIPLICITY |
4483 | #if EV_MULTIPLICITY |
3968 | #include "ev_wrap.h" |
4484 | #include "ev_wrap.h" |
3969 | #endif |
4485 | #endif |
3970 | |
4486 | |
3971 | EV_CPP(}) |
|
|
3972 | |
|
|