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 |
… | |
… | |
350 | #endif |
359 | #endif |
351 | |
360 | |
352 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
361 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
353 | /* which makes programs even slower. might work on other unices, too. */ |
362 | /* which makes programs even slower. might work on other unices, too. */ |
354 | #if EV_USE_CLOCK_SYSCALL |
363 | #if EV_USE_CLOCK_SYSCALL |
355 | # include <syscall.h> |
364 | # include <sys/syscall.h> |
356 | # ifdef SYS_clock_gettime |
365 | # ifdef SYS_clock_gettime |
357 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
366 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
358 | # undef EV_USE_MONOTONIC |
367 | # undef EV_USE_MONOTONIC |
359 | # define EV_USE_MONOTONIC 1 |
368 | # define EV_USE_MONOTONIC 1 |
360 | # else |
369 | # else |
… | |
… | |
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__)) |
|
|
691 | #define ecb_unused ecb_attribute ((__unused__)) |
|
|
692 | #define ecb_const ecb_attribute ((__const__)) |
|
|
693 | #define ecb_pure ecb_attribute ((__pure__)) |
|
|
694 | |
|
|
695 | #if ECB_GCC_VERSION(4,3) |
|
|
696 | #define ecb_artificial ecb_attribute ((__artificial__)) |
|
|
697 | #define ecb_hot ecb_attribute ((__hot__)) |
|
|
698 | #define ecb_cold ecb_attribute ((__cold__)) |
|
|
699 | #else |
|
|
700 | #define ecb_artificial |
|
|
701 | #define ecb_hot |
|
|
702 | #define ecb_cold |
|
|
703 | #endif |
|
|
704 | |
|
|
705 | /* put around conditional expressions if you are very sure that the */ |
|
|
706 | /* expression is mostly true or mostly false. note that these return */ |
|
|
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 */ |
… | |
… | |
885 | |
1363 | |
886 | do |
1364 | do |
887 | ncur <<= 1; |
1365 | ncur <<= 1; |
888 | while (cnt > ncur); |
1366 | while (cnt > ncur); |
889 | |
1367 | |
890 | /* 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 */ |
891 | if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) |
1369 | if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) |
892 | { |
1370 | { |
893 | ncur *= elem; |
1371 | ncur *= elem; |
894 | 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); |
895 | ncur = ncur - sizeof (void *) * 4; |
1373 | ncur = ncur - sizeof (void *) * 4; |
… | |
… | |
897 | } |
1375 | } |
898 | |
1376 | |
899 | return ncur; |
1377 | return ncur; |
900 | } |
1378 | } |
901 | |
1379 | |
902 | static noinline void * |
1380 | static void * noinline ecb_cold |
903 | array_realloc (int elem, void *base, int *cur, int cnt) |
1381 | array_realloc (int elem, void *base, int *cur, int cnt) |
904 | { |
1382 | { |
905 | *cur = array_nextsize (elem, *cur, cnt); |
1383 | *cur = array_nextsize (elem, *cur, cnt); |
906 | return ev_realloc (base, elem * *cur); |
1384 | return ev_realloc (base, elem * *cur); |
907 | } |
1385 | } |
… | |
… | |
910 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
1388 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
911 | |
1389 | |
912 | #define array_needsize(type,base,cur,cnt,init) \ |
1390 | #define array_needsize(type,base,cur,cnt,init) \ |
913 | if (expect_false ((cnt) > (cur))) \ |
1391 | if (expect_false ((cnt) > (cur))) \ |
914 | { \ |
1392 | { \ |
915 | int ocur_ = (cur); \ |
1393 | int ecb_unused ocur_ = (cur); \ |
916 | (base) = (type *)array_realloc \ |
1394 | (base) = (type *)array_realloc \ |
917 | (sizeof (type), (base), &(cur), (cnt)); \ |
1395 | (sizeof (type), (base), &(cur), (cnt)); \ |
918 | init ((base) + (ocur_), (cur) - ocur_); \ |
1396 | init ((base) + (ocur_), (cur) - ocur_); \ |
919 | } |
1397 | } |
920 | |
1398 | |
… | |
… | |
938 | pendingcb (EV_P_ ev_prepare *w, int revents) |
1416 | pendingcb (EV_P_ ev_prepare *w, int revents) |
939 | { |
1417 | { |
940 | } |
1418 | } |
941 | |
1419 | |
942 | void noinline |
1420 | void noinline |
943 | ev_feed_event (EV_P_ void *w, int revents) |
1421 | ev_feed_event (EV_P_ void *w, int revents) EV_THROW |
944 | { |
1422 | { |
945 | W w_ = (W)w; |
1423 | W w_ = (W)w; |
946 | int pri = ABSPRI (w_); |
1424 | int pri = ABSPRI (w_); |
947 | |
1425 | |
948 | if (expect_false (w_->pending)) |
1426 | if (expect_false (w_->pending)) |
… | |
… | |
952 | w_->pending = ++pendingcnt [pri]; |
1430 | w_->pending = ++pendingcnt [pri]; |
953 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
1431 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
954 | pendings [pri][w_->pending - 1].w = w_; |
1432 | pendings [pri][w_->pending - 1].w = w_; |
955 | pendings [pri][w_->pending - 1].events = revents; |
1433 | pendings [pri][w_->pending - 1].events = revents; |
956 | } |
1434 | } |
|
|
1435 | |
|
|
1436 | pendingpri = NUMPRI - 1; |
957 | } |
1437 | } |
958 | |
1438 | |
959 | inline_speed void |
1439 | inline_speed void |
960 | feed_reverse (EV_P_ W w) |
1440 | feed_reverse (EV_P_ W w) |
961 | { |
1441 | { |
… | |
… | |
1007 | if (expect_true (!anfd->reify)) |
1487 | if (expect_true (!anfd->reify)) |
1008 | fd_event_nocheck (EV_A_ fd, revents); |
1488 | fd_event_nocheck (EV_A_ fd, revents); |
1009 | } |
1489 | } |
1010 | |
1490 | |
1011 | void |
1491 | void |
1012 | ev_feed_fd_event (EV_P_ int fd, int revents) |
1492 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW |
1013 | { |
1493 | { |
1014 | if (fd >= 0 && fd < anfdmax) |
1494 | if (fd >= 0 && fd < anfdmax) |
1015 | fd_event_nocheck (EV_A_ fd, revents); |
1495 | fd_event_nocheck (EV_A_ fd, revents); |
1016 | } |
1496 | } |
1017 | |
1497 | |
… | |
… | |
1090 | fdchanges [fdchangecnt - 1] = fd; |
1570 | fdchanges [fdchangecnt - 1] = fd; |
1091 | } |
1571 | } |
1092 | } |
1572 | } |
1093 | |
1573 | |
1094 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
1574 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
1095 | inline_speed void |
1575 | inline_speed void ecb_cold |
1096 | fd_kill (EV_P_ int fd) |
1576 | fd_kill (EV_P_ int fd) |
1097 | { |
1577 | { |
1098 | ev_io *w; |
1578 | ev_io *w; |
1099 | |
1579 | |
1100 | while ((w = (ev_io *)anfds [fd].head)) |
1580 | while ((w = (ev_io *)anfds [fd].head)) |
… | |
… | |
1103 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
1583 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
1104 | } |
1584 | } |
1105 | } |
1585 | } |
1106 | |
1586 | |
1107 | /* check whether the given fd is actually valid, for error recovery */ |
1587 | /* check whether the given fd is actually valid, for error recovery */ |
1108 | inline_size int |
1588 | inline_size int ecb_cold |
1109 | fd_valid (int fd) |
1589 | fd_valid (int fd) |
1110 | { |
1590 | { |
1111 | #ifdef _WIN32 |
1591 | #ifdef _WIN32 |
1112 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
1592 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
1113 | #else |
1593 | #else |
1114 | return fcntl (fd, F_GETFD) != -1; |
1594 | return fcntl (fd, F_GETFD) != -1; |
1115 | #endif |
1595 | #endif |
1116 | } |
1596 | } |
1117 | |
1597 | |
1118 | /* called on EBADF to verify fds */ |
1598 | /* called on EBADF to verify fds */ |
1119 | static void noinline |
1599 | static void noinline ecb_cold |
1120 | fd_ebadf (EV_P) |
1600 | fd_ebadf (EV_P) |
1121 | { |
1601 | { |
1122 | int fd; |
1602 | int fd; |
1123 | |
1603 | |
1124 | for (fd = 0; fd < anfdmax; ++fd) |
1604 | for (fd = 0; fd < anfdmax; ++fd) |
… | |
… | |
1126 | if (!fd_valid (fd) && errno == EBADF) |
1606 | if (!fd_valid (fd) && errno == EBADF) |
1127 | fd_kill (EV_A_ fd); |
1607 | fd_kill (EV_A_ fd); |
1128 | } |
1608 | } |
1129 | |
1609 | |
1130 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
1610 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
1131 | static void noinline |
1611 | static void noinline ecb_cold |
1132 | fd_enomem (EV_P) |
1612 | fd_enomem (EV_P) |
1133 | { |
1613 | { |
1134 | int fd; |
1614 | int fd; |
1135 | |
1615 | |
1136 | for (fd = anfdmax; fd--; ) |
1616 | for (fd = anfdmax; fd--; ) |
… | |
… | |
1331 | |
1811 | |
1332 | /*****************************************************************************/ |
1812 | /*****************************************************************************/ |
1333 | |
1813 | |
1334 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1814 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1335 | |
1815 | |
1336 | static void noinline |
1816 | static void noinline ecb_cold |
1337 | evpipe_init (EV_P) |
1817 | evpipe_init (EV_P) |
1338 | { |
1818 | { |
1339 | if (!ev_is_active (&pipe_w)) |
1819 | if (!ev_is_active (&pipe_w)) |
1340 | { |
1820 | { |
1341 | # if EV_USE_EVENTFD |
1821 | # if EV_USE_EVENTFD |
… | |
… | |
1363 | ev_io_start (EV_A_ &pipe_w); |
1843 | ev_io_start (EV_A_ &pipe_w); |
1364 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
1844 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
1365 | } |
1845 | } |
1366 | } |
1846 | } |
1367 | |
1847 | |
1368 | inline_size void |
1848 | inline_speed void |
1369 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1849 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1370 | { |
1850 | { |
1371 | if (!*flag) |
1851 | ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */ |
1372 | { |
1852 | |
|
|
1853 | if (expect_true (*flag)) |
|
|
1854 | return; |
|
|
1855 | |
1373 | *flag = 1; |
1856 | *flag = 1; |
1374 | |
1857 | |
|
|
1858 | ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ |
|
|
1859 | |
1375 | pipe_write_skipped = 1; |
1860 | pipe_write_skipped = 1; |
1376 | |
1861 | |
|
|
1862 | ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */ |
|
|
1863 | |
1377 | if (pipe_write_wanted) |
1864 | if (pipe_write_wanted) |
|
|
1865 | { |
|
|
1866 | int old_errno; |
|
|
1867 | |
|
|
1868 | pipe_write_skipped = 0; /* just an optimisation, no fence needed */ |
|
|
1869 | |
|
|
1870 | old_errno = errno; /* save errno because write will clobber it */ |
|
|
1871 | |
|
|
1872 | #if EV_USE_EVENTFD |
|
|
1873 | if (evfd >= 0) |
1378 | { |
1874 | { |
1379 | int old_errno = errno; /* save errno because write will clobber it */ |
|
|
1380 | char dummy; |
|
|
1381 | |
|
|
1382 | pipe_write_skipped = 0; |
|
|
1383 | |
|
|
1384 | #if EV_USE_EVENTFD |
|
|
1385 | if (evfd >= 0) |
|
|
1386 | { |
|
|
1387 | uint64_t counter = 1; |
1875 | uint64_t counter = 1; |
1388 | write (evfd, &counter, sizeof (uint64_t)); |
1876 | write (evfd, &counter, sizeof (uint64_t)); |
1389 | } |
|
|
1390 | else |
|
|
1391 | #endif |
|
|
1392 | { |
|
|
1393 | /* win32 people keep sending patches that change this write() to send() */ |
|
|
1394 | /* and then run away. but send() is wrong, it wants a socket handle on win32 */ |
|
|
1395 | /* so when you think this write should be a send instead, please find out */ |
|
|
1396 | /* where your send() is from - it's definitely not the microsoft send, and */ |
|
|
1397 | /* tell me. thank you. */ |
|
|
1398 | write (evpipe [1], &dummy, 1); |
|
|
1399 | } |
|
|
1400 | |
|
|
1401 | errno = old_errno; |
|
|
1402 | } |
1877 | } |
|
|
1878 | else |
|
|
1879 | #endif |
|
|
1880 | { |
|
|
1881 | /* win32 people keep sending patches that change this write() to send() */ |
|
|
1882 | /* and then run away. but send() is wrong, it wants a socket handle on win32 */ |
|
|
1883 | /* so when you think this write should be a send instead, please find out */ |
|
|
1884 | /* where your send() is from - it's definitely not the microsoft send, and */ |
|
|
1885 | /* tell me. thank you. */ |
|
|
1886 | /* it might be that your problem is that your environment needs EV_USE_WSASOCKET */ |
|
|
1887 | /* check the ev documentation on how to use this flag */ |
|
|
1888 | write (evpipe [1], &(evpipe [1]), 1); |
|
|
1889 | } |
|
|
1890 | |
|
|
1891 | errno = old_errno; |
1403 | } |
1892 | } |
1404 | } |
1893 | } |
1405 | |
1894 | |
1406 | /* called whenever the libev signal pipe */ |
1895 | /* called whenever the libev signal pipe */ |
1407 | /* got some events (signal, async) */ |
1896 | /* got some events (signal, async) */ |
… | |
… | |
1427 | } |
1916 | } |
1428 | } |
1917 | } |
1429 | |
1918 | |
1430 | pipe_write_skipped = 0; |
1919 | pipe_write_skipped = 0; |
1431 | |
1920 | |
|
|
1921 | ECB_MEMORY_FENCE; /* push out skipped, acquire flags */ |
|
|
1922 | |
1432 | #if EV_SIGNAL_ENABLE |
1923 | #if EV_SIGNAL_ENABLE |
1433 | if (sig_pending) |
1924 | if (sig_pending) |
1434 | { |
1925 | { |
1435 | sig_pending = 0; |
1926 | sig_pending = 0; |
|
|
1927 | |
|
|
1928 | ECB_MEMORY_FENCE_RELEASE; |
1436 | |
1929 | |
1437 | for (i = EV_NSIG - 1; i--; ) |
1930 | for (i = EV_NSIG - 1; i--; ) |
1438 | if (expect_false (signals [i].pending)) |
1931 | if (expect_false (signals [i].pending)) |
1439 | ev_feed_signal_event (EV_A_ i + 1); |
1932 | ev_feed_signal_event (EV_A_ i + 1); |
1440 | } |
1933 | } |
… | |
… | |
1442 | |
1935 | |
1443 | #if EV_ASYNC_ENABLE |
1936 | #if EV_ASYNC_ENABLE |
1444 | if (async_pending) |
1937 | if (async_pending) |
1445 | { |
1938 | { |
1446 | async_pending = 0; |
1939 | async_pending = 0; |
|
|
1940 | |
|
|
1941 | ECB_MEMORY_FENCE_RELEASE; |
1447 | |
1942 | |
1448 | for (i = asynccnt; i--; ) |
1943 | for (i = asynccnt; i--; ) |
1449 | if (asyncs [i]->sent) |
1944 | if (asyncs [i]->sent) |
1450 | { |
1945 | { |
1451 | asyncs [i]->sent = 0; |
1946 | asyncs [i]->sent = 0; |
… | |
… | |
1456 | } |
1951 | } |
1457 | |
1952 | |
1458 | /*****************************************************************************/ |
1953 | /*****************************************************************************/ |
1459 | |
1954 | |
1460 | void |
1955 | void |
1461 | ev_feed_signal (int signum) |
1956 | ev_feed_signal (int signum) EV_THROW |
1462 | { |
1957 | { |
1463 | #if EV_MULTIPLICITY |
1958 | #if EV_MULTIPLICITY |
1464 | EV_P = signals [signum - 1].loop; |
1959 | EV_P = signals [signum - 1].loop; |
1465 | |
1960 | |
1466 | if (!EV_A) |
1961 | if (!EV_A) |
1467 | return; |
1962 | return; |
1468 | #endif |
1963 | #endif |
1469 | |
1964 | |
1470 | evpipe_init (EV_A); |
1965 | if (!ev_active (&pipe_w)) |
|
|
1966 | return; |
1471 | |
1967 | |
1472 | signals [signum - 1].pending = 1; |
1968 | signals [signum - 1].pending = 1; |
1473 | evpipe_write (EV_A_ &sig_pending); |
1969 | evpipe_write (EV_A_ &sig_pending); |
1474 | } |
1970 | } |
1475 | |
1971 | |
… | |
… | |
1482 | |
1978 | |
1483 | ev_feed_signal (signum); |
1979 | ev_feed_signal (signum); |
1484 | } |
1980 | } |
1485 | |
1981 | |
1486 | void noinline |
1982 | void noinline |
1487 | ev_feed_signal_event (EV_P_ int signum) |
1983 | ev_feed_signal_event (EV_P_ int signum) EV_THROW |
1488 | { |
1984 | { |
1489 | WL w; |
1985 | WL w; |
1490 | |
1986 | |
1491 | if (expect_false (signum <= 0 || signum > EV_NSIG)) |
1987 | if (expect_false (signum <= 0 || signum > EV_NSIG)) |
1492 | return; |
1988 | return; |
… | |
… | |
1607 | #endif |
2103 | #endif |
1608 | #if EV_USE_SELECT |
2104 | #if EV_USE_SELECT |
1609 | # include "ev_select.c" |
2105 | # include "ev_select.c" |
1610 | #endif |
2106 | #endif |
1611 | |
2107 | |
1612 | int |
2108 | int ecb_cold |
1613 | ev_version_major (void) |
2109 | ev_version_major (void) EV_THROW |
1614 | { |
2110 | { |
1615 | return EV_VERSION_MAJOR; |
2111 | return EV_VERSION_MAJOR; |
1616 | } |
2112 | } |
1617 | |
2113 | |
1618 | int |
2114 | int ecb_cold |
1619 | ev_version_minor (void) |
2115 | ev_version_minor (void) EV_THROW |
1620 | { |
2116 | { |
1621 | return EV_VERSION_MINOR; |
2117 | return EV_VERSION_MINOR; |
1622 | } |
2118 | } |
1623 | |
2119 | |
1624 | /* return true if we are running with elevated privileges and should ignore env variables */ |
2120 | /* return true if we are running with elevated privileges and should ignore env variables */ |
1625 | int inline_size |
2121 | int inline_size ecb_cold |
1626 | enable_secure (void) |
2122 | enable_secure (void) |
1627 | { |
2123 | { |
1628 | #ifdef _WIN32 |
2124 | #ifdef _WIN32 |
1629 | return 0; |
2125 | return 0; |
1630 | #else |
2126 | #else |
1631 | return getuid () != geteuid () |
2127 | return getuid () != geteuid () |
1632 | || getgid () != getegid (); |
2128 | || getgid () != getegid (); |
1633 | #endif |
2129 | #endif |
1634 | } |
2130 | } |
1635 | |
2131 | |
1636 | unsigned int |
2132 | unsigned int ecb_cold |
1637 | ev_supported_backends (void) |
2133 | ev_supported_backends (void) EV_THROW |
1638 | { |
2134 | { |
1639 | unsigned int flags = 0; |
2135 | unsigned int flags = 0; |
1640 | |
2136 | |
1641 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2137 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
1642 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
2138 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
… | |
… | |
1645 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
2141 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
1646 | |
2142 | |
1647 | return flags; |
2143 | return flags; |
1648 | } |
2144 | } |
1649 | |
2145 | |
1650 | unsigned int |
2146 | unsigned int ecb_cold |
1651 | ev_recommended_backends (void) |
2147 | ev_recommended_backends (void) EV_THROW |
1652 | { |
2148 | { |
1653 | unsigned int flags = ev_supported_backends (); |
2149 | unsigned int flags = ev_supported_backends (); |
1654 | |
2150 | |
1655 | #ifndef __NetBSD__ |
2151 | #ifndef __NetBSD__ |
1656 | /* kqueue is borked on everything but netbsd apparently */ |
2152 | /* kqueue is borked on everything but netbsd apparently */ |
… | |
… | |
1667 | #endif |
2163 | #endif |
1668 | |
2164 | |
1669 | return flags; |
2165 | return flags; |
1670 | } |
2166 | } |
1671 | |
2167 | |
1672 | unsigned int |
2168 | unsigned int ecb_cold |
1673 | ev_embeddable_backends (void) |
2169 | ev_embeddable_backends (void) EV_THROW |
1674 | { |
2170 | { |
1675 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
2171 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
1676 | |
2172 | |
1677 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2173 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
1678 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
2174 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
… | |
… | |
1680 | |
2176 | |
1681 | return flags; |
2177 | return flags; |
1682 | } |
2178 | } |
1683 | |
2179 | |
1684 | unsigned int |
2180 | unsigned int |
1685 | ev_backend (EV_P) |
2181 | ev_backend (EV_P) EV_THROW |
1686 | { |
2182 | { |
1687 | return backend; |
2183 | return backend; |
1688 | } |
2184 | } |
1689 | |
2185 | |
1690 | #if EV_FEATURE_API |
2186 | #if EV_FEATURE_API |
1691 | unsigned int |
2187 | unsigned int |
1692 | ev_iteration (EV_P) |
2188 | ev_iteration (EV_P) EV_THROW |
1693 | { |
2189 | { |
1694 | return loop_count; |
2190 | return loop_count; |
1695 | } |
2191 | } |
1696 | |
2192 | |
1697 | unsigned int |
2193 | unsigned int |
1698 | ev_depth (EV_P) |
2194 | ev_depth (EV_P) EV_THROW |
1699 | { |
2195 | { |
1700 | return loop_depth; |
2196 | return loop_depth; |
1701 | } |
2197 | } |
1702 | |
2198 | |
1703 | void |
2199 | void |
1704 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
2200 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
1705 | { |
2201 | { |
1706 | io_blocktime = interval; |
2202 | io_blocktime = interval; |
1707 | } |
2203 | } |
1708 | |
2204 | |
1709 | void |
2205 | void |
1710 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
2206 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
1711 | { |
2207 | { |
1712 | timeout_blocktime = interval; |
2208 | timeout_blocktime = interval; |
1713 | } |
2209 | } |
1714 | |
2210 | |
1715 | void |
2211 | void |
1716 | ev_set_userdata (EV_P_ void *data) |
2212 | ev_set_userdata (EV_P_ void *data) EV_THROW |
1717 | { |
2213 | { |
1718 | userdata = data; |
2214 | userdata = data; |
1719 | } |
2215 | } |
1720 | |
2216 | |
1721 | void * |
2217 | void * |
1722 | ev_userdata (EV_P) |
2218 | ev_userdata (EV_P) EV_THROW |
1723 | { |
2219 | { |
1724 | return userdata; |
2220 | return userdata; |
1725 | } |
2221 | } |
1726 | |
2222 | |
|
|
2223 | void |
1727 | void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) |
2224 | ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW |
1728 | { |
2225 | { |
1729 | invoke_cb = invoke_pending_cb; |
2226 | invoke_cb = invoke_pending_cb; |
1730 | } |
2227 | } |
1731 | |
2228 | |
|
|
2229 | void |
1732 | void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) |
2230 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW |
1733 | { |
2231 | { |
1734 | release_cb = release; |
2232 | release_cb = release; |
1735 | acquire_cb = acquire; |
2233 | acquire_cb = acquire; |
1736 | } |
2234 | } |
1737 | #endif |
2235 | #endif |
1738 | |
2236 | |
1739 | /* initialise a loop structure, must be zero-initialised */ |
2237 | /* initialise a loop structure, must be zero-initialised */ |
1740 | static void noinline |
2238 | static void noinline ecb_cold |
1741 | loop_init (EV_P_ unsigned int flags) |
2239 | loop_init (EV_P_ unsigned int flags) EV_THROW |
1742 | { |
2240 | { |
1743 | if (!backend) |
2241 | if (!backend) |
1744 | { |
2242 | { |
1745 | origflags = flags; |
2243 | origflags = flags; |
1746 | |
2244 | |
… | |
… | |
1830 | #endif |
2328 | #endif |
1831 | } |
2329 | } |
1832 | } |
2330 | } |
1833 | |
2331 | |
1834 | /* free up a loop structure */ |
2332 | /* free up a loop structure */ |
1835 | void |
2333 | void ecb_cold |
1836 | ev_loop_destroy (EV_P) |
2334 | ev_loop_destroy (EV_P) |
1837 | { |
2335 | { |
1838 | int i; |
2336 | int i; |
1839 | |
2337 | |
1840 | #if EV_MULTIPLICITY |
2338 | #if EV_MULTIPLICITY |
… | |
… | |
1998 | postfork = 0; |
2496 | postfork = 0; |
1999 | } |
2497 | } |
2000 | |
2498 | |
2001 | #if EV_MULTIPLICITY |
2499 | #if EV_MULTIPLICITY |
2002 | |
2500 | |
2003 | struct ev_loop * |
2501 | struct ev_loop * ecb_cold |
2004 | ev_loop_new (unsigned int flags) |
2502 | ev_loop_new (unsigned int flags) EV_THROW |
2005 | { |
2503 | { |
2006 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
2504 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
2007 | |
2505 | |
2008 | memset (EV_A, 0, sizeof (struct ev_loop)); |
2506 | memset (EV_A, 0, sizeof (struct ev_loop)); |
2009 | loop_init (EV_A_ flags); |
2507 | loop_init (EV_A_ flags); |
… | |
… | |
2016 | } |
2514 | } |
2017 | |
2515 | |
2018 | #endif /* multiplicity */ |
2516 | #endif /* multiplicity */ |
2019 | |
2517 | |
2020 | #if EV_VERIFY |
2518 | #if EV_VERIFY |
2021 | static void noinline |
2519 | static void noinline ecb_cold |
2022 | verify_watcher (EV_P_ W w) |
2520 | verify_watcher (EV_P_ W w) |
2023 | { |
2521 | { |
2024 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
2522 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
2025 | |
2523 | |
2026 | if (w->pending) |
2524 | if (w->pending) |
2027 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
2525 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
2028 | } |
2526 | } |
2029 | |
2527 | |
2030 | static void noinline |
2528 | static void noinline ecb_cold |
2031 | verify_heap (EV_P_ ANHE *heap, int N) |
2529 | verify_heap (EV_P_ ANHE *heap, int N) |
2032 | { |
2530 | { |
2033 | int i; |
2531 | int i; |
2034 | |
2532 | |
2035 | for (i = HEAP0; i < N + HEAP0; ++i) |
2533 | for (i = HEAP0; i < N + HEAP0; ++i) |
… | |
… | |
2040 | |
2538 | |
2041 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
2539 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
2042 | } |
2540 | } |
2043 | } |
2541 | } |
2044 | |
2542 | |
2045 | static void noinline |
2543 | static void noinline ecb_cold |
2046 | array_verify (EV_P_ W *ws, int cnt) |
2544 | array_verify (EV_P_ W *ws, int cnt) |
2047 | { |
2545 | { |
2048 | while (cnt--) |
2546 | while (cnt--) |
2049 | { |
2547 | { |
2050 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
2548 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
… | |
… | |
2052 | } |
2550 | } |
2053 | } |
2551 | } |
2054 | #endif |
2552 | #endif |
2055 | |
2553 | |
2056 | #if EV_FEATURE_API |
2554 | #if EV_FEATURE_API |
2057 | void |
2555 | void ecb_cold |
2058 | ev_verify (EV_P) |
2556 | ev_verify (EV_P) EV_THROW |
2059 | { |
2557 | { |
2060 | #if EV_VERIFY |
2558 | #if EV_VERIFY |
2061 | int i; |
2559 | int i; |
2062 | WL w; |
2560 | WL w; |
2063 | |
2561 | |
… | |
… | |
2128 | #endif |
2626 | #endif |
2129 | } |
2627 | } |
2130 | #endif |
2628 | #endif |
2131 | |
2629 | |
2132 | #if EV_MULTIPLICITY |
2630 | #if EV_MULTIPLICITY |
2133 | struct ev_loop * |
2631 | struct ev_loop * ecb_cold |
2134 | #else |
2632 | #else |
2135 | int |
2633 | int |
2136 | #endif |
2634 | #endif |
2137 | ev_default_loop (unsigned int flags) |
2635 | ev_default_loop (unsigned int flags) EV_THROW |
2138 | { |
2636 | { |
2139 | if (!ev_default_loop_ptr) |
2637 | if (!ev_default_loop_ptr) |
2140 | { |
2638 | { |
2141 | #if EV_MULTIPLICITY |
2639 | #if EV_MULTIPLICITY |
2142 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
2640 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
… | |
… | |
2161 | |
2659 | |
2162 | return ev_default_loop_ptr; |
2660 | return ev_default_loop_ptr; |
2163 | } |
2661 | } |
2164 | |
2662 | |
2165 | void |
2663 | void |
2166 | ev_loop_fork (EV_P) |
2664 | ev_loop_fork (EV_P) EV_THROW |
2167 | { |
2665 | { |
2168 | postfork = 1; /* must be in line with ev_default_fork */ |
2666 | postfork = 1; /* must be in line with ev_default_fork */ |
2169 | } |
2667 | } |
2170 | |
2668 | |
2171 | /*****************************************************************************/ |
2669 | /*****************************************************************************/ |
… | |
… | |
2175 | { |
2673 | { |
2176 | EV_CB_INVOKE ((W)w, revents); |
2674 | EV_CB_INVOKE ((W)w, revents); |
2177 | } |
2675 | } |
2178 | |
2676 | |
2179 | unsigned int |
2677 | unsigned int |
2180 | ev_pending_count (EV_P) |
2678 | ev_pending_count (EV_P) EV_THROW |
2181 | { |
2679 | { |
2182 | int pri; |
2680 | int pri; |
2183 | unsigned int count = 0; |
2681 | unsigned int count = 0; |
2184 | |
2682 | |
2185 | for (pri = NUMPRI; pri--; ) |
2683 | for (pri = NUMPRI; pri--; ) |
… | |
… | |
2189 | } |
2687 | } |
2190 | |
2688 | |
2191 | void noinline |
2689 | void noinline |
2192 | ev_invoke_pending (EV_P) |
2690 | ev_invoke_pending (EV_P) |
2193 | { |
2691 | { |
2194 | int pri; |
2692 | for (pendingpri = NUMPRI; pendingpri--; ) /* pendingpri is modified during the loop */ |
2195 | |
|
|
2196 | for (pri = NUMPRI; pri--; ) |
|
|
2197 | while (pendingcnt [pri]) |
2693 | while (pendingcnt [pendingpri]) |
2198 | { |
2694 | { |
2199 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
2695 | ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri]; |
2200 | |
2696 | |
2201 | p->w->pending = 0; |
2697 | p->w->pending = 0; |
2202 | EV_CB_INVOKE (p->w, p->events); |
2698 | EV_CB_INVOKE (p->w, p->events); |
2203 | EV_FREQUENT_CHECK; |
2699 | EV_FREQUENT_CHECK; |
2204 | } |
2700 | } |
… | |
… | |
2337 | } |
2833 | } |
2338 | } |
2834 | } |
2339 | |
2835 | |
2340 | /* simply recalculate all periodics */ |
2836 | /* simply recalculate all periodics */ |
2341 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
2837 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
2342 | static void noinline |
2838 | static void noinline ecb_cold |
2343 | periodics_reschedule (EV_P) |
2839 | periodics_reschedule (EV_P) |
2344 | { |
2840 | { |
2345 | int i; |
2841 | int i; |
2346 | |
2842 | |
2347 | /* adjust periodics after time jump */ |
2843 | /* adjust periodics after time jump */ |
… | |
… | |
2360 | reheap (periodics, periodiccnt); |
2856 | reheap (periodics, periodiccnt); |
2361 | } |
2857 | } |
2362 | #endif |
2858 | #endif |
2363 | |
2859 | |
2364 | /* adjust all timers by a given offset */ |
2860 | /* adjust all timers by a given offset */ |
2365 | static void noinline |
2861 | static void noinline ecb_cold |
2366 | timers_reschedule (EV_P_ ev_tstamp adjust) |
2862 | timers_reschedule (EV_P_ ev_tstamp adjust) |
2367 | { |
2863 | { |
2368 | int i; |
2864 | int i; |
2369 | |
2865 | |
2370 | for (i = 0; i < timercnt; ++i) |
2866 | for (i = 0; i < timercnt; ++i) |
… | |
… | |
2444 | |
2940 | |
2445 | mn_now = ev_rt_now; |
2941 | mn_now = ev_rt_now; |
2446 | } |
2942 | } |
2447 | } |
2943 | } |
2448 | |
2944 | |
2449 | void |
2945 | int |
2450 | ev_run (EV_P_ int flags) |
2946 | ev_run (EV_P_ int flags) |
2451 | { |
2947 | { |
2452 | #if EV_FEATURE_API |
2948 | #if EV_FEATURE_API |
2453 | ++loop_depth; |
2949 | ++loop_depth; |
2454 | #endif |
2950 | #endif |
… | |
… | |
2515 | time_update (EV_A_ 1e100); |
3011 | time_update (EV_A_ 1e100); |
2516 | |
3012 | |
2517 | /* from now on, we want a pipe-wake-up */ |
3013 | /* from now on, we want a pipe-wake-up */ |
2518 | pipe_write_wanted = 1; |
3014 | pipe_write_wanted = 1; |
2519 | |
3015 | |
|
|
3016 | ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */ |
|
|
3017 | |
2520 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) |
3018 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) |
2521 | { |
3019 | { |
2522 | waittime = MAX_BLOCKTIME; |
3020 | waittime = MAX_BLOCKTIME; |
2523 | |
3021 | |
2524 | if (timercnt) |
3022 | if (timercnt) |
… | |
… | |
2565 | #endif |
3063 | #endif |
2566 | assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ |
3064 | assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ |
2567 | backend_poll (EV_A_ waittime); |
3065 | backend_poll (EV_A_ waittime); |
2568 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
3066 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
2569 | |
3067 | |
2570 | pipe_write_wanted = 0; |
3068 | pipe_write_wanted = 0; /* just an optimisation, no fence needed */ |
2571 | |
3069 | |
2572 | if (pipe_write_skipped) |
3070 | if (pipe_write_skipped) |
2573 | { |
3071 | { |
2574 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
3072 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
2575 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
3073 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
… | |
… | |
2609 | loop_done = EVBREAK_CANCEL; |
3107 | loop_done = EVBREAK_CANCEL; |
2610 | |
3108 | |
2611 | #if EV_FEATURE_API |
3109 | #if EV_FEATURE_API |
2612 | --loop_depth; |
3110 | --loop_depth; |
2613 | #endif |
3111 | #endif |
|
|
3112 | |
|
|
3113 | return activecnt; |
2614 | } |
3114 | } |
2615 | |
3115 | |
2616 | void |
3116 | void |
2617 | ev_break (EV_P_ int how) |
3117 | ev_break (EV_P_ int how) EV_THROW |
2618 | { |
3118 | { |
2619 | loop_done = how; |
3119 | loop_done = how; |
2620 | } |
3120 | } |
2621 | |
3121 | |
2622 | void |
3122 | void |
2623 | ev_ref (EV_P) |
3123 | ev_ref (EV_P) EV_THROW |
2624 | { |
3124 | { |
2625 | ++activecnt; |
3125 | ++activecnt; |
2626 | } |
3126 | } |
2627 | |
3127 | |
2628 | void |
3128 | void |
2629 | ev_unref (EV_P) |
3129 | ev_unref (EV_P) EV_THROW |
2630 | { |
3130 | { |
2631 | --activecnt; |
3131 | --activecnt; |
2632 | } |
3132 | } |
2633 | |
3133 | |
2634 | void |
3134 | void |
2635 | ev_now_update (EV_P) |
3135 | ev_now_update (EV_P) EV_THROW |
2636 | { |
3136 | { |
2637 | time_update (EV_A_ 1e100); |
3137 | time_update (EV_A_ 1e100); |
2638 | } |
3138 | } |
2639 | |
3139 | |
2640 | void |
3140 | void |
2641 | ev_suspend (EV_P) |
3141 | ev_suspend (EV_P) EV_THROW |
2642 | { |
3142 | { |
2643 | ev_now_update (EV_A); |
3143 | ev_now_update (EV_A); |
2644 | } |
3144 | } |
2645 | |
3145 | |
2646 | void |
3146 | void |
2647 | ev_resume (EV_P) |
3147 | ev_resume (EV_P) EV_THROW |
2648 | { |
3148 | { |
2649 | ev_tstamp mn_prev = mn_now; |
3149 | ev_tstamp mn_prev = mn_now; |
2650 | |
3150 | |
2651 | ev_now_update (EV_A); |
3151 | ev_now_update (EV_A); |
2652 | timers_reschedule (EV_A_ mn_now - mn_prev); |
3152 | timers_reschedule (EV_A_ mn_now - mn_prev); |
… | |
… | |
2691 | w->pending = 0; |
3191 | w->pending = 0; |
2692 | } |
3192 | } |
2693 | } |
3193 | } |
2694 | |
3194 | |
2695 | int |
3195 | int |
2696 | ev_clear_pending (EV_P_ void *w) |
3196 | ev_clear_pending (EV_P_ void *w) EV_THROW |
2697 | { |
3197 | { |
2698 | W w_ = (W)w; |
3198 | W w_ = (W)w; |
2699 | int pending = w_->pending; |
3199 | int pending = w_->pending; |
2700 | |
3200 | |
2701 | if (expect_true (pending)) |
3201 | if (expect_true (pending)) |
… | |
… | |
2734 | } |
3234 | } |
2735 | |
3235 | |
2736 | /*****************************************************************************/ |
3236 | /*****************************************************************************/ |
2737 | |
3237 | |
2738 | void noinline |
3238 | void noinline |
2739 | ev_io_start (EV_P_ ev_io *w) |
3239 | ev_io_start (EV_P_ ev_io *w) EV_THROW |
2740 | { |
3240 | { |
2741 | int fd = w->fd; |
3241 | int fd = w->fd; |
2742 | |
3242 | |
2743 | if (expect_false (ev_is_active (w))) |
3243 | if (expect_false (ev_is_active (w))) |
2744 | return; |
3244 | return; |
… | |
… | |
2757 | |
3257 | |
2758 | EV_FREQUENT_CHECK; |
3258 | EV_FREQUENT_CHECK; |
2759 | } |
3259 | } |
2760 | |
3260 | |
2761 | void noinline |
3261 | void noinline |
2762 | ev_io_stop (EV_P_ ev_io *w) |
3262 | ev_io_stop (EV_P_ ev_io *w) EV_THROW |
2763 | { |
3263 | { |
2764 | clear_pending (EV_A_ (W)w); |
3264 | clear_pending (EV_A_ (W)w); |
2765 | if (expect_false (!ev_is_active (w))) |
3265 | if (expect_false (!ev_is_active (w))) |
2766 | return; |
3266 | return; |
2767 | |
3267 | |
… | |
… | |
2776 | |
3276 | |
2777 | EV_FREQUENT_CHECK; |
3277 | EV_FREQUENT_CHECK; |
2778 | } |
3278 | } |
2779 | |
3279 | |
2780 | void noinline |
3280 | void noinline |
2781 | ev_timer_start (EV_P_ ev_timer *w) |
3281 | ev_timer_start (EV_P_ ev_timer *w) EV_THROW |
2782 | { |
3282 | { |
2783 | if (expect_false (ev_is_active (w))) |
3283 | if (expect_false (ev_is_active (w))) |
2784 | return; |
3284 | return; |
2785 | |
3285 | |
2786 | ev_at (w) += mn_now; |
3286 | ev_at (w) += mn_now; |
… | |
… | |
2800 | |
3300 | |
2801 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
3301 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
2802 | } |
3302 | } |
2803 | |
3303 | |
2804 | void noinline |
3304 | void noinline |
2805 | ev_timer_stop (EV_P_ ev_timer *w) |
3305 | ev_timer_stop (EV_P_ ev_timer *w) EV_THROW |
2806 | { |
3306 | { |
2807 | clear_pending (EV_A_ (W)w); |
3307 | clear_pending (EV_A_ (W)w); |
2808 | if (expect_false (!ev_is_active (w))) |
3308 | if (expect_false (!ev_is_active (w))) |
2809 | return; |
3309 | return; |
2810 | |
3310 | |
… | |
… | |
2830 | |
3330 | |
2831 | EV_FREQUENT_CHECK; |
3331 | EV_FREQUENT_CHECK; |
2832 | } |
3332 | } |
2833 | |
3333 | |
2834 | void noinline |
3334 | void noinline |
2835 | ev_timer_again (EV_P_ ev_timer *w) |
3335 | ev_timer_again (EV_P_ ev_timer *w) EV_THROW |
2836 | { |
3336 | { |
2837 | EV_FREQUENT_CHECK; |
3337 | EV_FREQUENT_CHECK; |
|
|
3338 | |
|
|
3339 | clear_pending (EV_A_ (W)w); |
2838 | |
3340 | |
2839 | if (ev_is_active (w)) |
3341 | if (ev_is_active (w)) |
2840 | { |
3342 | { |
2841 | if (w->repeat) |
3343 | if (w->repeat) |
2842 | { |
3344 | { |
… | |
… | |
2855 | |
3357 | |
2856 | EV_FREQUENT_CHECK; |
3358 | EV_FREQUENT_CHECK; |
2857 | } |
3359 | } |
2858 | |
3360 | |
2859 | ev_tstamp |
3361 | ev_tstamp |
2860 | ev_timer_remaining (EV_P_ ev_timer *w) |
3362 | ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW |
2861 | { |
3363 | { |
2862 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
3364 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
2863 | } |
3365 | } |
2864 | |
3366 | |
2865 | #if EV_PERIODIC_ENABLE |
3367 | #if EV_PERIODIC_ENABLE |
2866 | void noinline |
3368 | void noinline |
2867 | ev_periodic_start (EV_P_ ev_periodic *w) |
3369 | ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW |
2868 | { |
3370 | { |
2869 | if (expect_false (ev_is_active (w))) |
3371 | if (expect_false (ev_is_active (w))) |
2870 | return; |
3372 | return; |
2871 | |
3373 | |
2872 | if (w->reschedule_cb) |
3374 | if (w->reschedule_cb) |
… | |
… | |
2892 | |
3394 | |
2893 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
3395 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
2894 | } |
3396 | } |
2895 | |
3397 | |
2896 | void noinline |
3398 | void noinline |
2897 | ev_periodic_stop (EV_P_ ev_periodic *w) |
3399 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW |
2898 | { |
3400 | { |
2899 | clear_pending (EV_A_ (W)w); |
3401 | clear_pending (EV_A_ (W)w); |
2900 | if (expect_false (!ev_is_active (w))) |
3402 | if (expect_false (!ev_is_active (w))) |
2901 | return; |
3403 | return; |
2902 | |
3404 | |
… | |
… | |
2920 | |
3422 | |
2921 | EV_FREQUENT_CHECK; |
3423 | EV_FREQUENT_CHECK; |
2922 | } |
3424 | } |
2923 | |
3425 | |
2924 | void noinline |
3426 | void noinline |
2925 | ev_periodic_again (EV_P_ ev_periodic *w) |
3427 | ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW |
2926 | { |
3428 | { |
2927 | /* TODO: use adjustheap and recalculation */ |
3429 | /* TODO: use adjustheap and recalculation */ |
2928 | ev_periodic_stop (EV_A_ w); |
3430 | ev_periodic_stop (EV_A_ w); |
2929 | ev_periodic_start (EV_A_ w); |
3431 | ev_periodic_start (EV_A_ w); |
2930 | } |
3432 | } |
… | |
… | |
2935 | #endif |
3437 | #endif |
2936 | |
3438 | |
2937 | #if EV_SIGNAL_ENABLE |
3439 | #if EV_SIGNAL_ENABLE |
2938 | |
3440 | |
2939 | void noinline |
3441 | void noinline |
2940 | ev_signal_start (EV_P_ ev_signal *w) |
3442 | ev_signal_start (EV_P_ ev_signal *w) EV_THROW |
2941 | { |
3443 | { |
2942 | if (expect_false (ev_is_active (w))) |
3444 | if (expect_false (ev_is_active (w))) |
2943 | return; |
3445 | return; |
2944 | |
3446 | |
2945 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
3447 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
… | |
… | |
3016 | |
3518 | |
3017 | EV_FREQUENT_CHECK; |
3519 | EV_FREQUENT_CHECK; |
3018 | } |
3520 | } |
3019 | |
3521 | |
3020 | void noinline |
3522 | void noinline |
3021 | ev_signal_stop (EV_P_ ev_signal *w) |
3523 | ev_signal_stop (EV_P_ ev_signal *w) EV_THROW |
3022 | { |
3524 | { |
3023 | clear_pending (EV_A_ (W)w); |
3525 | clear_pending (EV_A_ (W)w); |
3024 | if (expect_false (!ev_is_active (w))) |
3526 | if (expect_false (!ev_is_active (w))) |
3025 | return; |
3527 | return; |
3026 | |
3528 | |
… | |
… | |
3057 | #endif |
3559 | #endif |
3058 | |
3560 | |
3059 | #if EV_CHILD_ENABLE |
3561 | #if EV_CHILD_ENABLE |
3060 | |
3562 | |
3061 | void |
3563 | void |
3062 | ev_child_start (EV_P_ ev_child *w) |
3564 | ev_child_start (EV_P_ ev_child *w) EV_THROW |
3063 | { |
3565 | { |
3064 | #if EV_MULTIPLICITY |
3566 | #if EV_MULTIPLICITY |
3065 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
3567 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
3066 | #endif |
3568 | #endif |
3067 | if (expect_false (ev_is_active (w))) |
3569 | if (expect_false (ev_is_active (w))) |
… | |
… | |
3074 | |
3576 | |
3075 | EV_FREQUENT_CHECK; |
3577 | EV_FREQUENT_CHECK; |
3076 | } |
3578 | } |
3077 | |
3579 | |
3078 | void |
3580 | void |
3079 | ev_child_stop (EV_P_ ev_child *w) |
3581 | ev_child_stop (EV_P_ ev_child *w) EV_THROW |
3080 | { |
3582 | { |
3081 | clear_pending (EV_A_ (W)w); |
3583 | clear_pending (EV_A_ (W)w); |
3082 | if (expect_false (!ev_is_active (w))) |
3584 | if (expect_false (!ev_is_active (w))) |
3083 | return; |
3585 | return; |
3084 | |
3586 | |
… | |
… | |
3236 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
3738 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
3237 | ofs += sizeof (struct inotify_event) + ev->len; |
3739 | ofs += sizeof (struct inotify_event) + ev->len; |
3238 | } |
3740 | } |
3239 | } |
3741 | } |
3240 | |
3742 | |
3241 | inline_size void |
3743 | inline_size void ecb_cold |
3242 | ev_check_2625 (EV_P) |
3744 | ev_check_2625 (EV_P) |
3243 | { |
3745 | { |
3244 | /* kernels < 2.6.25 are borked |
3746 | /* kernels < 2.6.25 are borked |
3245 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
3747 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
3246 | */ |
3748 | */ |
… | |
… | |
3251 | } |
3753 | } |
3252 | |
3754 | |
3253 | inline_size int |
3755 | inline_size int |
3254 | infy_newfd (void) |
3756 | infy_newfd (void) |
3255 | { |
3757 | { |
3256 | #if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) |
3758 | #if defined IN_CLOEXEC && defined IN_NONBLOCK |
3257 | int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); |
3759 | int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); |
3258 | if (fd >= 0) |
3760 | if (fd >= 0) |
3259 | return fd; |
3761 | return fd; |
3260 | #endif |
3762 | #endif |
3261 | return inotify_init (); |
3763 | return inotify_init (); |
… | |
… | |
3336 | #else |
3838 | #else |
3337 | # define EV_LSTAT(p,b) lstat (p, b) |
3839 | # define EV_LSTAT(p,b) lstat (p, b) |
3338 | #endif |
3840 | #endif |
3339 | |
3841 | |
3340 | void |
3842 | void |
3341 | ev_stat_stat (EV_P_ ev_stat *w) |
3843 | ev_stat_stat (EV_P_ ev_stat *w) EV_THROW |
3342 | { |
3844 | { |
3343 | if (lstat (w->path, &w->attr) < 0) |
3845 | if (lstat (w->path, &w->attr) < 0) |
3344 | w->attr.st_nlink = 0; |
3846 | w->attr.st_nlink = 0; |
3345 | else if (!w->attr.st_nlink) |
3847 | else if (!w->attr.st_nlink) |
3346 | w->attr.st_nlink = 1; |
3848 | w->attr.st_nlink = 1; |
… | |
… | |
3385 | ev_feed_event (EV_A_ w, EV_STAT); |
3887 | ev_feed_event (EV_A_ w, EV_STAT); |
3386 | } |
3888 | } |
3387 | } |
3889 | } |
3388 | |
3890 | |
3389 | void |
3891 | void |
3390 | ev_stat_start (EV_P_ ev_stat *w) |
3892 | ev_stat_start (EV_P_ ev_stat *w) EV_THROW |
3391 | { |
3893 | { |
3392 | if (expect_false (ev_is_active (w))) |
3894 | if (expect_false (ev_is_active (w))) |
3393 | return; |
3895 | return; |
3394 | |
3896 | |
3395 | ev_stat_stat (EV_A_ w); |
3897 | ev_stat_stat (EV_A_ w); |
… | |
… | |
3416 | |
3918 | |
3417 | EV_FREQUENT_CHECK; |
3919 | EV_FREQUENT_CHECK; |
3418 | } |
3920 | } |
3419 | |
3921 | |
3420 | void |
3922 | void |
3421 | ev_stat_stop (EV_P_ ev_stat *w) |
3923 | ev_stat_stop (EV_P_ ev_stat *w) EV_THROW |
3422 | { |
3924 | { |
3423 | clear_pending (EV_A_ (W)w); |
3925 | clear_pending (EV_A_ (W)w); |
3424 | if (expect_false (!ev_is_active (w))) |
3926 | if (expect_false (!ev_is_active (w))) |
3425 | return; |
3927 | return; |
3426 | |
3928 | |
… | |
… | |
3442 | } |
3944 | } |
3443 | #endif |
3945 | #endif |
3444 | |
3946 | |
3445 | #if EV_IDLE_ENABLE |
3947 | #if EV_IDLE_ENABLE |
3446 | void |
3948 | void |
3447 | ev_idle_start (EV_P_ ev_idle *w) |
3949 | ev_idle_start (EV_P_ ev_idle *w) EV_THROW |
3448 | { |
3950 | { |
3449 | if (expect_false (ev_is_active (w))) |
3951 | if (expect_false (ev_is_active (w))) |
3450 | return; |
3952 | return; |
3451 | |
3953 | |
3452 | pri_adjust (EV_A_ (W)w); |
3954 | pri_adjust (EV_A_ (W)w); |
… | |
… | |
3465 | |
3967 | |
3466 | EV_FREQUENT_CHECK; |
3968 | EV_FREQUENT_CHECK; |
3467 | } |
3969 | } |
3468 | |
3970 | |
3469 | void |
3971 | void |
3470 | ev_idle_stop (EV_P_ ev_idle *w) |
3972 | ev_idle_stop (EV_P_ ev_idle *w) EV_THROW |
3471 | { |
3973 | { |
3472 | clear_pending (EV_A_ (W)w); |
3974 | clear_pending (EV_A_ (W)w); |
3473 | if (expect_false (!ev_is_active (w))) |
3975 | if (expect_false (!ev_is_active (w))) |
3474 | return; |
3976 | return; |
3475 | |
3977 | |
… | |
… | |
3489 | } |
3991 | } |
3490 | #endif |
3992 | #endif |
3491 | |
3993 | |
3492 | #if EV_PREPARE_ENABLE |
3994 | #if EV_PREPARE_ENABLE |
3493 | void |
3995 | void |
3494 | ev_prepare_start (EV_P_ ev_prepare *w) |
3996 | ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW |
3495 | { |
3997 | { |
3496 | if (expect_false (ev_is_active (w))) |
3998 | if (expect_false (ev_is_active (w))) |
3497 | return; |
3999 | return; |
3498 | |
4000 | |
3499 | EV_FREQUENT_CHECK; |
4001 | EV_FREQUENT_CHECK; |
… | |
… | |
3504 | |
4006 | |
3505 | EV_FREQUENT_CHECK; |
4007 | EV_FREQUENT_CHECK; |
3506 | } |
4008 | } |
3507 | |
4009 | |
3508 | void |
4010 | void |
3509 | ev_prepare_stop (EV_P_ ev_prepare *w) |
4011 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW |
3510 | { |
4012 | { |
3511 | clear_pending (EV_A_ (W)w); |
4013 | clear_pending (EV_A_ (W)w); |
3512 | if (expect_false (!ev_is_active (w))) |
4014 | if (expect_false (!ev_is_active (w))) |
3513 | return; |
4015 | return; |
3514 | |
4016 | |
… | |
… | |
3527 | } |
4029 | } |
3528 | #endif |
4030 | #endif |
3529 | |
4031 | |
3530 | #if EV_CHECK_ENABLE |
4032 | #if EV_CHECK_ENABLE |
3531 | void |
4033 | void |
3532 | ev_check_start (EV_P_ ev_check *w) |
4034 | ev_check_start (EV_P_ ev_check *w) EV_THROW |
3533 | { |
4035 | { |
3534 | if (expect_false (ev_is_active (w))) |
4036 | if (expect_false (ev_is_active (w))) |
3535 | return; |
4037 | return; |
3536 | |
4038 | |
3537 | EV_FREQUENT_CHECK; |
4039 | EV_FREQUENT_CHECK; |
… | |
… | |
3542 | |
4044 | |
3543 | EV_FREQUENT_CHECK; |
4045 | EV_FREQUENT_CHECK; |
3544 | } |
4046 | } |
3545 | |
4047 | |
3546 | void |
4048 | void |
3547 | ev_check_stop (EV_P_ ev_check *w) |
4049 | ev_check_stop (EV_P_ ev_check *w) EV_THROW |
3548 | { |
4050 | { |
3549 | clear_pending (EV_A_ (W)w); |
4051 | clear_pending (EV_A_ (W)w); |
3550 | if (expect_false (!ev_is_active (w))) |
4052 | if (expect_false (!ev_is_active (w))) |
3551 | return; |
4053 | return; |
3552 | |
4054 | |
… | |
… | |
3565 | } |
4067 | } |
3566 | #endif |
4068 | #endif |
3567 | |
4069 | |
3568 | #if EV_EMBED_ENABLE |
4070 | #if EV_EMBED_ENABLE |
3569 | void noinline |
4071 | void noinline |
3570 | ev_embed_sweep (EV_P_ ev_embed *w) |
4072 | ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW |
3571 | { |
4073 | { |
3572 | ev_run (w->other, EVRUN_NOWAIT); |
4074 | ev_run (w->other, EVRUN_NOWAIT); |
3573 | } |
4075 | } |
3574 | |
4076 | |
3575 | static void |
4077 | static void |
… | |
… | |
3623 | ev_idle_stop (EV_A_ idle); |
4125 | ev_idle_stop (EV_A_ idle); |
3624 | } |
4126 | } |
3625 | #endif |
4127 | #endif |
3626 | |
4128 | |
3627 | void |
4129 | void |
3628 | ev_embed_start (EV_P_ ev_embed *w) |
4130 | ev_embed_start (EV_P_ ev_embed *w) EV_THROW |
3629 | { |
4131 | { |
3630 | if (expect_false (ev_is_active (w))) |
4132 | if (expect_false (ev_is_active (w))) |
3631 | return; |
4133 | return; |
3632 | |
4134 | |
3633 | { |
4135 | { |
… | |
… | |
3654 | |
4156 | |
3655 | EV_FREQUENT_CHECK; |
4157 | EV_FREQUENT_CHECK; |
3656 | } |
4158 | } |
3657 | |
4159 | |
3658 | void |
4160 | void |
3659 | ev_embed_stop (EV_P_ ev_embed *w) |
4161 | ev_embed_stop (EV_P_ ev_embed *w) EV_THROW |
3660 | { |
4162 | { |
3661 | clear_pending (EV_A_ (W)w); |
4163 | clear_pending (EV_A_ (W)w); |
3662 | if (expect_false (!ev_is_active (w))) |
4164 | if (expect_false (!ev_is_active (w))) |
3663 | return; |
4165 | return; |
3664 | |
4166 | |
… | |
… | |
3674 | } |
4176 | } |
3675 | #endif |
4177 | #endif |
3676 | |
4178 | |
3677 | #if EV_FORK_ENABLE |
4179 | #if EV_FORK_ENABLE |
3678 | void |
4180 | void |
3679 | ev_fork_start (EV_P_ ev_fork *w) |
4181 | ev_fork_start (EV_P_ ev_fork *w) EV_THROW |
3680 | { |
4182 | { |
3681 | if (expect_false (ev_is_active (w))) |
4183 | if (expect_false (ev_is_active (w))) |
3682 | return; |
4184 | return; |
3683 | |
4185 | |
3684 | EV_FREQUENT_CHECK; |
4186 | EV_FREQUENT_CHECK; |
… | |
… | |
3689 | |
4191 | |
3690 | EV_FREQUENT_CHECK; |
4192 | EV_FREQUENT_CHECK; |
3691 | } |
4193 | } |
3692 | |
4194 | |
3693 | void |
4195 | void |
3694 | ev_fork_stop (EV_P_ ev_fork *w) |
4196 | ev_fork_stop (EV_P_ ev_fork *w) EV_THROW |
3695 | { |
4197 | { |
3696 | clear_pending (EV_A_ (W)w); |
4198 | clear_pending (EV_A_ (W)w); |
3697 | if (expect_false (!ev_is_active (w))) |
4199 | if (expect_false (!ev_is_active (w))) |
3698 | return; |
4200 | return; |
3699 | |
4201 | |
… | |
… | |
3712 | } |
4214 | } |
3713 | #endif |
4215 | #endif |
3714 | |
4216 | |
3715 | #if EV_CLEANUP_ENABLE |
4217 | #if EV_CLEANUP_ENABLE |
3716 | void |
4218 | void |
3717 | ev_cleanup_start (EV_P_ ev_cleanup *w) |
4219 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW |
3718 | { |
4220 | { |
3719 | if (expect_false (ev_is_active (w))) |
4221 | if (expect_false (ev_is_active (w))) |
3720 | return; |
4222 | return; |
3721 | |
4223 | |
3722 | EV_FREQUENT_CHECK; |
4224 | EV_FREQUENT_CHECK; |
… | |
… | |
3729 | ev_unref (EV_A); |
4231 | ev_unref (EV_A); |
3730 | EV_FREQUENT_CHECK; |
4232 | EV_FREQUENT_CHECK; |
3731 | } |
4233 | } |
3732 | |
4234 | |
3733 | void |
4235 | void |
3734 | ev_cleanup_stop (EV_P_ ev_cleanup *w) |
4236 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW |
3735 | { |
4237 | { |
3736 | clear_pending (EV_A_ (W)w); |
4238 | clear_pending (EV_A_ (W)w); |
3737 | if (expect_false (!ev_is_active (w))) |
4239 | if (expect_false (!ev_is_active (w))) |
3738 | return; |
4240 | return; |
3739 | |
4241 | |
… | |
… | |
3753 | } |
4255 | } |
3754 | #endif |
4256 | #endif |
3755 | |
4257 | |
3756 | #if EV_ASYNC_ENABLE |
4258 | #if EV_ASYNC_ENABLE |
3757 | void |
4259 | void |
3758 | ev_async_start (EV_P_ ev_async *w) |
4260 | ev_async_start (EV_P_ ev_async *w) EV_THROW |
3759 | { |
4261 | { |
3760 | if (expect_false (ev_is_active (w))) |
4262 | if (expect_false (ev_is_active (w))) |
3761 | return; |
4263 | return; |
3762 | |
4264 | |
3763 | w->sent = 0; |
4265 | w->sent = 0; |
… | |
… | |
3772 | |
4274 | |
3773 | EV_FREQUENT_CHECK; |
4275 | EV_FREQUENT_CHECK; |
3774 | } |
4276 | } |
3775 | |
4277 | |
3776 | void |
4278 | void |
3777 | ev_async_stop (EV_P_ ev_async *w) |
4279 | ev_async_stop (EV_P_ ev_async *w) EV_THROW |
3778 | { |
4280 | { |
3779 | clear_pending (EV_A_ (W)w); |
4281 | clear_pending (EV_A_ (W)w); |
3780 | if (expect_false (!ev_is_active (w))) |
4282 | if (expect_false (!ev_is_active (w))) |
3781 | return; |
4283 | return; |
3782 | |
4284 | |
… | |
… | |
3793 | |
4295 | |
3794 | EV_FREQUENT_CHECK; |
4296 | EV_FREQUENT_CHECK; |
3795 | } |
4297 | } |
3796 | |
4298 | |
3797 | void |
4299 | void |
3798 | ev_async_send (EV_P_ ev_async *w) |
4300 | ev_async_send (EV_P_ ev_async *w) EV_THROW |
3799 | { |
4301 | { |
3800 | w->sent = 1; |
4302 | w->sent = 1; |
3801 | evpipe_write (EV_A_ &async_pending); |
4303 | evpipe_write (EV_A_ &async_pending); |
3802 | } |
4304 | } |
3803 | #endif |
4305 | #endif |
… | |
… | |
3840 | |
4342 | |
3841 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
4343 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
3842 | } |
4344 | } |
3843 | |
4345 | |
3844 | void |
4346 | void |
3845 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
4347 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW |
3846 | { |
4348 | { |
3847 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
4349 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
3848 | |
4350 | |
3849 | if (expect_false (!once)) |
4351 | if (expect_false (!once)) |
3850 | { |
4352 | { |
… | |
… | |
3871 | } |
4373 | } |
3872 | |
4374 | |
3873 | /*****************************************************************************/ |
4375 | /*****************************************************************************/ |
3874 | |
4376 | |
3875 | #if EV_WALK_ENABLE |
4377 | #if EV_WALK_ENABLE |
3876 | void |
4378 | void ecb_cold |
3877 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) |
4379 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW |
3878 | { |
4380 | { |
3879 | int i, j; |
4381 | int i, j; |
3880 | ev_watcher_list *wl, *wn; |
4382 | ev_watcher_list *wl, *wn; |
3881 | |
4383 | |
3882 | if (types & (EV_IO | EV_EMBED)) |
4384 | if (types & (EV_IO | EV_EMBED)) |
… | |
… | |
3925 | cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i])); |
4427 | cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i])); |
3926 | #endif |
4428 | #endif |
3927 | |
4429 | |
3928 | #if EV_IDLE_ENABLE |
4430 | #if EV_IDLE_ENABLE |
3929 | if (types & EV_IDLE) |
4431 | if (types & EV_IDLE) |
3930 | for (j = NUMPRI; i--; ) |
4432 | for (j = NUMPRI; j--; ) |
3931 | for (i = idlecnt [j]; i--; ) |
4433 | for (i = idlecnt [j]; i--; ) |
3932 | cb (EV_A_ EV_IDLE, idles [j][i]); |
4434 | cb (EV_A_ EV_IDLE, idles [j][i]); |
3933 | #endif |
4435 | #endif |
3934 | |
4436 | |
3935 | #if EV_FORK_ENABLE |
4437 | #if EV_FORK_ENABLE |
… | |
… | |
3988 | |
4490 | |
3989 | #if EV_MULTIPLICITY |
4491 | #if EV_MULTIPLICITY |
3990 | #include "ev_wrap.h" |
4492 | #include "ev_wrap.h" |
3991 | #endif |
4493 | #endif |
3992 | |
4494 | |
3993 | EV_CPP(}) |
|
|
3994 | |
|
|