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 | |
469 | /* the following are taken from libecb */ |
478 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
470 | /* ecb.h start */ |
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; |
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519 | #if __GNUC__ |
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520 | typedef signed long long int64_t; |
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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 |
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526 | #else |
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527 | #include <inttypes.h> |
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528 | #endif |
471 | |
529 | |
472 | /* many compilers define _GNUC_ to some versions but then only implement |
530 | /* many compilers define _GNUC_ to some versions but then only implement |
473 | * what their idiot authors think are the "more important" extensions, |
531 | * what their idiot authors think are the "more important" extensions, |
474 | * causing enourmous grief in return for some better fake benchmark numbers. |
532 | * causing enormous grief in return for some better fake benchmark numbers. |
475 | * or so. |
533 | * or so. |
476 | * we try to detect these and simply assume they are not gcc - if they have |
534 | * we try to detect these and simply assume they are not gcc - if they have |
477 | * an issue with that they should have done it right in the first place. |
535 | * an issue with that they should have done it right in the first place. |
478 | */ |
536 | */ |
479 | #ifndef ECB_GCC_VERSION |
537 | #ifndef ECB_GCC_VERSION |
480 | #if !defined(__GNUC_MINOR__) || defined(__INTEL_COMPILER) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) || defined(__llvm__) || defined(__clang__) |
538 | #if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__ |
481 | #define ECB_GCC_VERSION(major,minor) 0 |
539 | #define ECB_GCC_VERSION(major,minor) 0 |
482 | #else |
540 | #else |
483 | #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) |
541 | #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) |
484 | #endif |
542 | #endif |
485 | #endif |
543 | #endif |
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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) |
486 | |
642 | |
487 | #if __cplusplus |
643 | #if __cplusplus |
488 | #define ecb_inline static inline |
644 | #define ecb_inline static inline |
489 | #elif ECB_GCC_VERSION(2,5) |
645 | #elif ECB_GCC_VERSION(2,5) |
490 | #define ecb_inline static __inline__ |
646 | #define ecb_inline static __inline__ |
… | |
… | |
492 | #define ecb_inline static inline |
648 | #define ecb_inline static inline |
493 | #else |
649 | #else |
494 | #define ecb_inline static |
650 | #define ecb_inline static |
495 | #endif |
651 | #endif |
496 | |
652 | |
497 | #ifndef ECB_MEMORY_FENCE |
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498 | #if ECB_GCC_VERSION(2,5) |
653 | #if ECB_GCC_VERSION(3,3) |
499 | #if __x86 |
654 | #define ecb_restrict __restrict__ |
500 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
655 | #elif ECB_C99 |
501 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
656 | #define ecb_restrict restrict |
502 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
657 | #else |
503 | #elif __amd64 |
658 | #define ecb_restrict |
504 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
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505 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory") |
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506 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") |
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507 | #endif |
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508 | #endif |
659 | #endif |
509 | #endif |
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510 | |
660 | |
511 | #ifndef ECB_MEMORY_FENCE |
661 | typedef int ecb_bool; |
512 | #if ECB_GCC_VERSION(4,4) |
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513 | #define ECB_MEMORY_FENCE __sync_synchronize () |
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514 | #define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) |
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515 | #define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) |
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516 | #elif defined(_WIN32) && defined(MemoryBarrier) |
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517 | #define ECB_MEMORY_FENCE MemoryBarrier () |
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518 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
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519 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
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520 | #endif |
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521 | #endif |
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522 | |
662 | |
523 | #ifndef ECB_MEMORY_FENCE |
663 | #define ECB_CONCAT_(a, b) a ## b |
524 | #include <pthread.h> |
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) |
525 | |
667 | |
526 | static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER; |
668 | #define ecb_function_ ecb_inline |
527 | #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0) |
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528 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
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529 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
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530 | #endif |
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531 | |
669 | |
532 | #if ECB_GCC_VERSION(3,1) |
670 | #if ECB_GCC_VERSION(3,1) |
533 | #define ecb_attribute(attrlist) __attribute__(attrlist) |
671 | #define ecb_attribute(attrlist) __attribute__(attrlist) |
534 | #define ecb_is_constant(expr) __builtin_constant_p (expr) |
672 | #define ecb_is_constant(expr) __builtin_constant_p (expr) |
535 | #define ecb_expect(expr,value) __builtin_expect ((expr),(value)) |
673 | #define ecb_expect(expr,value) __builtin_expect ((expr),(value)) |
… | |
… | |
539 | #define ecb_is_constant(expr) 0 |
677 | #define ecb_is_constant(expr) 0 |
540 | #define ecb_expect(expr,value) (expr) |
678 | #define ecb_expect(expr,value) (expr) |
541 | #define ecb_prefetch(addr,rw,locality) |
679 | #define ecb_prefetch(addr,rw,locality) |
542 | #endif |
680 | #endif |
543 | |
681 | |
|
|
682 | /* no emulation for ecb_decltype */ |
|
|
683 | #if ECB_GCC_VERSION(4,5) |
|
|
684 | #define ecb_decltype(x) __decltype(x) |
|
|
685 | #elif ECB_GCC_VERSION(3,0) |
|
|
686 | #define ecb_decltype(x) __typeof(x) |
|
|
687 | #endif |
|
|
688 | |
544 | #define ecb_noinline ecb_attribute ((__noinline__)) |
689 | #define ecb_noinline ecb_attribute ((__noinline__)) |
545 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
690 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
546 | #define ecb_unused ecb_attribute ((__unused__)) |
691 | #define ecb_unused ecb_attribute ((__unused__)) |
547 | #define ecb_const ecb_attribute ((__const__)) |
692 | #define ecb_const ecb_attribute ((__const__)) |
548 | #define ecb_pure ecb_attribute ((__pure__)) |
693 | #define ecb_pure ecb_attribute ((__pure__)) |
… | |
… | |
560 | /* put around conditional expressions if you are very sure that the */ |
705 | /* put around conditional expressions if you are very sure that the */ |
561 | /* expression is mostly true or mostly false. note that these return */ |
706 | /* expression is mostly true or mostly false. note that these return */ |
562 | /* booleans, not the expression. */ |
707 | /* booleans, not the expression. */ |
563 | #define ecb_expect_false(expr) ecb_expect (!!(expr), 0) |
708 | #define ecb_expect_false(expr) ecb_expect (!!(expr), 0) |
564 | #define ecb_expect_true(expr) ecb_expect (!!(expr), 1) |
709 | #define ecb_expect_true(expr) ecb_expect (!!(expr), 1) |
565 | /* ecb.h end */ |
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 |
566 | |
955 | |
567 | #define expect_false(cond) ecb_expect_false (cond) |
956 | #define expect_false(cond) ecb_expect_false (cond) |
568 | #define expect_true(cond) ecb_expect_true (cond) |
957 | #define expect_true(cond) ecb_expect_true (cond) |
569 | #define noinline ecb_noinline |
958 | #define noinline ecb_noinline |
570 | |
959 | |
… | |
… | |
866 | #undef VAR |
1255 | #undef VAR |
867 | }; |
1256 | }; |
868 | #include "ev_wrap.h" |
1257 | #include "ev_wrap.h" |
869 | |
1258 | |
870 | static struct ev_loop default_loop_struct; |
1259 | static struct ev_loop default_loop_struct; |
871 | 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 */ |
872 | |
1261 | |
873 | #else |
1262 | #else |
874 | |
1263 | |
875 | 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 */ |
876 | #define VAR(name,decl) static decl; |
1265 | #define VAR(name,decl) static decl; |
877 | #include "ev_vars.h" |
1266 | #include "ev_vars.h" |
878 | #undef VAR |
1267 | #undef VAR |
879 | |
1268 | |
880 | static int ev_default_loop_ptr; |
1269 | static int ev_default_loop_ptr; |
… | |
… | |
945 | #if EV_USE_NANOSLEEP |
1334 | #if EV_USE_NANOSLEEP |
946 | struct timespec ts; |
1335 | struct timespec ts; |
947 | |
1336 | |
948 | EV_TS_SET (ts, delay); |
1337 | EV_TS_SET (ts, delay); |
949 | nanosleep (&ts, 0); |
1338 | nanosleep (&ts, 0); |
950 | #elif defined(_WIN32) |
1339 | #elif defined _WIN32 |
951 | Sleep ((unsigned long)(delay * 1e3)); |
1340 | Sleep ((unsigned long)(delay * 1e3)); |
952 | #else |
1341 | #else |
953 | struct timeval tv; |
1342 | struct timeval tv; |
954 | |
1343 | |
955 | /* 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 */ |
… | |
… | |
974 | |
1363 | |
975 | do |
1364 | do |
976 | ncur <<= 1; |
1365 | ncur <<= 1; |
977 | while (cnt > ncur); |
1366 | while (cnt > ncur); |
978 | |
1367 | |
979 | /* 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 */ |
980 | if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) |
1369 | if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) |
981 | { |
1370 | { |
982 | ncur *= elem; |
1371 | ncur *= elem; |
983 | 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); |
984 | ncur = ncur - sizeof (void *) * 4; |
1373 | ncur = ncur - sizeof (void *) * 4; |
… | |
… | |
1470 | |
1859 | |
1471 | if (pipe_write_wanted) |
1860 | if (pipe_write_wanted) |
1472 | { |
1861 | { |
1473 | int old_errno; |
1862 | int old_errno; |
1474 | |
1863 | |
1475 | pipe_write_skipped = 0; /* just an optimsiation, no fence needed */ |
1864 | pipe_write_skipped = 0; /* just an optimisation, no fence needed */ |
1476 | |
1865 | |
1477 | old_errno = errno; /* save errno because write will clobber it */ |
1866 | old_errno = errno; /* save errno because write will clobber it */ |
1478 | |
1867 | |
1479 | #if EV_USE_EVENTFD |
1868 | #if EV_USE_EVENTFD |
1480 | if (evfd >= 0) |
1869 | if (evfd >= 0) |
… | |
… | |
1488 | /* win32 people keep sending patches that change this write() to send() */ |
1877 | /* win32 people keep sending patches that change this write() to send() */ |
1489 | /* 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 */ |
1490 | /* 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 */ |
1491 | /* 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 */ |
1492 | /* 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 */ |
1493 | write (evpipe [1], &(evpipe [1]), 1); |
1884 | write (evpipe [1], &(evpipe [1]), 1); |
1494 | } |
1885 | } |
1495 | |
1886 | |
1496 | errno = old_errno; |
1887 | errno = old_errno; |
1497 | } |
1888 | } |
… | |
… | |
2541 | |
2932 | |
2542 | mn_now = ev_rt_now; |
2933 | mn_now = ev_rt_now; |
2543 | } |
2934 | } |
2544 | } |
2935 | } |
2545 | |
2936 | |
2546 | void |
2937 | int |
2547 | ev_run (EV_P_ int flags) |
2938 | ev_run (EV_P_ int flags) |
2548 | { |
2939 | { |
2549 | #if EV_FEATURE_API |
2940 | #if EV_FEATURE_API |
2550 | ++loop_depth; |
2941 | ++loop_depth; |
2551 | #endif |
2942 | #endif |
… | |
… | |
2612 | time_update (EV_A_ 1e100); |
3003 | time_update (EV_A_ 1e100); |
2613 | |
3004 | |
2614 | /* from now on, we want a pipe-wake-up */ |
3005 | /* from now on, we want a pipe-wake-up */ |
2615 | pipe_write_wanted = 1; |
3006 | pipe_write_wanted = 1; |
2616 | |
3007 | |
2617 | ECB_MEMORY_FENCE; /* amke sure pipe_write_wanted is visible before we check for potential skips */ |
3008 | ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */ |
2618 | |
3009 | |
2619 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) |
3010 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) |
2620 | { |
3011 | { |
2621 | waittime = MAX_BLOCKTIME; |
3012 | waittime = MAX_BLOCKTIME; |
2622 | |
3013 | |
… | |
… | |
2664 | #endif |
3055 | #endif |
2665 | assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ |
3056 | assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ |
2666 | backend_poll (EV_A_ waittime); |
3057 | backend_poll (EV_A_ waittime); |
2667 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
3058 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
2668 | |
3059 | |
2669 | pipe_write_wanted = 0; /* just an optimsiation, no fence needed */ |
3060 | pipe_write_wanted = 0; /* just an optimisation, no fence needed */ |
2670 | |
3061 | |
2671 | if (pipe_write_skipped) |
3062 | if (pipe_write_skipped) |
2672 | { |
3063 | { |
2673 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
3064 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
2674 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
3065 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
… | |
… | |
2708 | loop_done = EVBREAK_CANCEL; |
3099 | loop_done = EVBREAK_CANCEL; |
2709 | |
3100 | |
2710 | #if EV_FEATURE_API |
3101 | #if EV_FEATURE_API |
2711 | --loop_depth; |
3102 | --loop_depth; |
2712 | #endif |
3103 | #endif |
|
|
3104 | |
|
|
3105 | return activecnt; |
2713 | } |
3106 | } |
2714 | |
3107 | |
2715 | void |
3108 | void |
2716 | ev_break (EV_P_ int how) |
3109 | ev_break (EV_P_ int how) |
2717 | { |
3110 | { |
… | |
… | |
2932 | |
3325 | |
2933 | void noinline |
3326 | void noinline |
2934 | ev_timer_again (EV_P_ ev_timer *w) |
3327 | ev_timer_again (EV_P_ ev_timer *w) |
2935 | { |
3328 | { |
2936 | EV_FREQUENT_CHECK; |
3329 | EV_FREQUENT_CHECK; |
|
|
3330 | |
|
|
3331 | clear_pending (EV_A_ (W)w); |
2937 | |
3332 | |
2938 | if (ev_is_active (w)) |
3333 | if (ev_is_active (w)) |
2939 | { |
3334 | { |
2940 | if (w->repeat) |
3335 | if (w->repeat) |
2941 | { |
3336 | { |
… | |
… | |
3350 | } |
3745 | } |
3351 | |
3746 | |
3352 | inline_size int |
3747 | inline_size int |
3353 | infy_newfd (void) |
3748 | infy_newfd (void) |
3354 | { |
3749 | { |
3355 | #if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) |
3750 | #if defined IN_CLOEXEC && defined IN_NONBLOCK |
3356 | int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); |
3751 | int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); |
3357 | if (fd >= 0) |
3752 | if (fd >= 0) |
3358 | return fd; |
3753 | return fd; |
3359 | #endif |
3754 | #endif |
3360 | return inotify_init (); |
3755 | return inotify_init (); |
… | |
… | |
4024 | cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i])); |
4419 | cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i])); |
4025 | #endif |
4420 | #endif |
4026 | |
4421 | |
4027 | #if EV_IDLE_ENABLE |
4422 | #if EV_IDLE_ENABLE |
4028 | if (types & EV_IDLE) |
4423 | if (types & EV_IDLE) |
4029 | for (j = NUMPRI; i--; ) |
4424 | for (j = NUMPRI; j--; ) |
4030 | for (i = idlecnt [j]; i--; ) |
4425 | for (i = idlecnt [j]; i--; ) |
4031 | cb (EV_A_ EV_IDLE, idles [j][i]); |
4426 | cb (EV_A_ EV_IDLE, idles [j][i]); |
4032 | #endif |
4427 | #endif |
4033 | |
4428 | |
4034 | #if EV_FORK_ENABLE |
4429 | #if EV_FORK_ENABLE |
… | |
… | |
4087 | |
4482 | |
4088 | #if EV_MULTIPLICITY |
4483 | #if EV_MULTIPLICITY |
4089 | #include "ev_wrap.h" |
4484 | #include "ev_wrap.h" |
4090 | #endif |
4485 | #endif |
4091 | |
4486 | |
4092 | EV_CPP(}) |
|
|
4093 | |
|
|