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 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007,2008,2009,2010,2011 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 | * |
10 | * 1. Redistributions of source code must retain the above copyright notice, |
10 | * 1. Redistributions of source code must retain the above copyright notice, |
11 | * this list of conditions and the following disclaimer. |
11 | * this list of conditions and the following disclaimer. |
12 | * |
12 | * |
13 | * 2. Redistributions in binary form must reproduce the above copyright |
13 | * 2. Redistributions in binary form must reproduce the above copyright |
14 | * notice, this list of conditions and the following disclaimer in the |
14 | * notice, this list of conditions and the following disclaimer in the |
15 | * documentation and/or other materials provided with the distribution. |
15 | * documentation and/or other materials provided with the distribution. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
18 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- |
18 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- |
19 | * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
19 | * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
20 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- |
20 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- |
21 | * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
21 | * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
… | |
… | |
35 | * and other provisions required by the GPL. If you do not delete the |
35 | * and other provisions required by the GPL. If you do not delete the |
36 | * provisions above, a recipient may use your version of this file under |
36 | * provisions above, a recipient may use your version of this file under |
37 | * either the BSD or the GPL. |
37 | * either the BSD or the GPL. |
38 | */ |
38 | */ |
39 | |
39 | |
40 | #ifdef __cplusplus |
|
|
41 | extern "C" { |
|
|
42 | #endif |
|
|
43 | |
|
|
44 | /* this big block deduces configuration from config.h */ |
40 | /* this big block deduces configuration from config.h */ |
45 | #ifndef EV_STANDALONE |
41 | #ifndef EV_STANDALONE |
46 | # ifdef EV_CONFIG_H |
42 | # ifdef EV_CONFIG_H |
47 | # include EV_CONFIG_H |
43 | # include EV_CONFIG_H |
48 | # else |
44 | # else |
49 | # include "config.h" |
45 | # include "config.h" |
50 | # endif |
46 | # endif |
|
|
47 | |
|
|
48 | #if HAVE_FLOOR |
|
|
49 | # ifndef EV_USE_FLOOR |
|
|
50 | # define EV_USE_FLOOR 1 |
|
|
51 | # endif |
|
|
52 | #endif |
51 | |
53 | |
52 | # if HAVE_CLOCK_SYSCALL |
54 | # if HAVE_CLOCK_SYSCALL |
53 | # ifndef EV_USE_CLOCK_SYSCALL |
55 | # ifndef EV_USE_CLOCK_SYSCALL |
54 | # define EV_USE_CLOCK_SYSCALL 1 |
56 | # define EV_USE_CLOCK_SYSCALL 1 |
55 | # ifndef EV_USE_REALTIME |
57 | # ifndef EV_USE_REALTIME |
… | |
… | |
160 | # define EV_USE_EVENTFD 0 |
162 | # define EV_USE_EVENTFD 0 |
161 | # endif |
163 | # endif |
162 | |
164 | |
163 | #endif |
165 | #endif |
164 | |
166 | |
165 | #include <math.h> |
|
|
166 | #include <stdlib.h> |
167 | #include <stdlib.h> |
167 | #include <string.h> |
168 | #include <string.h> |
168 | #include <fcntl.h> |
169 | #include <fcntl.h> |
169 | #include <stddef.h> |
170 | #include <stddef.h> |
170 | |
171 | |
… | |
… | |
181 | #ifdef EV_H |
182 | #ifdef EV_H |
182 | # include EV_H |
183 | # include EV_H |
183 | #else |
184 | #else |
184 | # include "ev.h" |
185 | # include "ev.h" |
185 | #endif |
186 | #endif |
|
|
187 | |
|
|
188 | EV_CPP(extern "C" {) |
186 | |
189 | |
187 | #ifndef _WIN32 |
190 | #ifndef _WIN32 |
188 | # include <sys/time.h> |
191 | # include <sys/time.h> |
189 | # include <sys/wait.h> |
192 | # include <sys/wait.h> |
190 | # include <unistd.h> |
193 | # include <unistd.h> |
… | |
… | |
234 | /* to make it compile regardless, just remove the above line, */ |
237 | /* to make it compile regardless, just remove the above line, */ |
235 | /* but consider reporting it, too! :) */ |
238 | /* but consider reporting it, too! :) */ |
236 | # define EV_NSIG 65 |
239 | # define EV_NSIG 65 |
237 | #endif |
240 | #endif |
238 | |
241 | |
|
|
242 | #ifndef EV_USE_FLOOR |
|
|
243 | # define EV_USE_FLOOR 0 |
|
|
244 | #endif |
|
|
245 | |
239 | #ifndef EV_USE_CLOCK_SYSCALL |
246 | #ifndef EV_USE_CLOCK_SYSCALL |
240 | # if __linux && __GLIBC__ >= 2 |
247 | # if __linux && __GLIBC__ >= 2 |
241 | # define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS |
248 | # define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS |
242 | # else |
249 | # else |
243 | # define EV_USE_CLOCK_SYSCALL 0 |
250 | # define EV_USE_CLOCK_SYSCALL 0 |
… | |
… | |
378 | # undef EV_USE_INOTIFY |
385 | # undef EV_USE_INOTIFY |
379 | # define EV_USE_INOTIFY 0 |
386 | # define EV_USE_INOTIFY 0 |
380 | #endif |
387 | #endif |
381 | |
388 | |
382 | #if !EV_USE_NANOSLEEP |
389 | #if !EV_USE_NANOSLEEP |
383 | # ifndef _WIN32 |
390 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
|
|
391 | # if !defined(_WIN32) && !defined(__hpux) |
384 | # include <sys/select.h> |
392 | # include <sys/select.h> |
385 | # endif |
393 | # endif |
386 | #endif |
394 | #endif |
387 | |
395 | |
388 | #if EV_USE_INOTIFY |
396 | #if EV_USE_INOTIFY |
389 | # include <sys/utsname.h> |
|
|
390 | # include <sys/statfs.h> |
397 | # include <sys/statfs.h> |
391 | # include <sys/inotify.h> |
398 | # include <sys/inotify.h> |
392 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
399 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
393 | # ifndef IN_DONT_FOLLOW |
400 | # ifndef IN_DONT_FOLLOW |
394 | # undef EV_USE_INOTIFY |
401 | # undef EV_USE_INOTIFY |
… | |
… | |
411 | # define EFD_CLOEXEC O_CLOEXEC |
418 | # define EFD_CLOEXEC O_CLOEXEC |
412 | # else |
419 | # else |
413 | # define EFD_CLOEXEC 02000000 |
420 | # define EFD_CLOEXEC 02000000 |
414 | # endif |
421 | # endif |
415 | # endif |
422 | # endif |
416 | # ifdef __cplusplus |
|
|
417 | extern "C" { |
|
|
418 | # endif |
|
|
419 | int (eventfd) (unsigned int initval, int flags); |
423 | EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags); |
420 | # ifdef __cplusplus |
|
|
421 | } |
|
|
422 | # endif |
|
|
423 | #endif |
424 | #endif |
424 | |
425 | |
425 | #if EV_USE_SIGNALFD |
426 | #if EV_USE_SIGNALFD |
426 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
427 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
427 | # include <stdint.h> |
428 | # include <stdint.h> |
… | |
… | |
433 | # define SFD_CLOEXEC O_CLOEXEC |
434 | # define SFD_CLOEXEC O_CLOEXEC |
434 | # else |
435 | # else |
435 | # define SFD_CLOEXEC 02000000 |
436 | # define SFD_CLOEXEC 02000000 |
436 | # endif |
437 | # endif |
437 | # endif |
438 | # endif |
438 | # ifdef __cplusplus |
|
|
439 | extern "C" { |
|
|
440 | # endif |
|
|
441 | int signalfd (int fd, const sigset_t *mask, int flags); |
439 | EV_CPP (extern "C") int signalfd (int fd, const sigset_t *mask, int flags); |
442 | |
440 | |
443 | struct signalfd_siginfo |
441 | struct signalfd_siginfo |
444 | { |
442 | { |
445 | uint32_t ssi_signo; |
443 | uint32_t ssi_signo; |
446 | char pad[128 - sizeof (uint32_t)]; |
444 | char pad[128 - sizeof (uint32_t)]; |
447 | }; |
445 | }; |
448 | # ifdef __cplusplus |
|
|
449 | } |
|
|
450 | # endif |
|
|
451 | #endif |
446 | #endif |
452 | |
447 | |
453 | /**/ |
448 | /**/ |
454 | |
449 | |
455 | #if EV_VERIFY >= 3 |
450 | #if EV_VERIFY >= 3 |
… | |
… | |
457 | #else |
452 | #else |
458 | # define EV_FREQUENT_CHECK do { } while (0) |
453 | # define EV_FREQUENT_CHECK do { } while (0) |
459 | #endif |
454 | #endif |
460 | |
455 | |
461 | /* |
456 | /* |
462 | * This is used to avoid floating point rounding problems. |
457 | * This is used to work around floating point rounding problems. |
463 | * It is added to ev_rt_now when scheduling periodics |
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464 | * to ensure progress, time-wise, even when rounding |
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465 | * errors are against us. |
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|
466 | * This value is good at least till the year 4000. |
458 | * This value is good at least till the year 4000. |
467 | * Better solutions welcome. |
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468 | */ |
459 | */ |
469 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
460 | #define MIN_INTERVAL 0.0001220703125 /* 1/2**13, good till 4000 */ |
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|
461 | /*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20, good till 2200 */ |
470 | |
462 | |
471 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
463 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
472 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
464 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
473 | |
465 | |
474 | #define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) |
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_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } 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 | |
468 | |
477 | #if __GNUC__ >= 4 |
469 | /* the following are taken from libecb */ |
478 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
470 | /* ecb.h start */ |
479 | # define noinline __attribute__ ((noinline)) |
471 | |
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|
472 | /* many compilers define _GNUC_ to some versions but then only implement |
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473 | * what their idiot authors think are the "more important" extensions, |
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474 | * causing enourmous grief in return for some better fake benchmark numbers. |
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475 | * or so. |
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476 | * we try to detect these and simply assume they are not gcc - if they have |
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477 | * an issue with that they should have done it right in the first place. |
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478 | */ |
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479 | #ifndef ECB_GCC_VERSION |
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480 | #if !defined(__GNUC_MINOR__) || defined(__INTEL_COMPILER) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) || defined(__llvm__) || defined(__clang__) |
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481 | #define ECB_GCC_VERSION(major,minor) 0 |
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482 | #else |
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483 | #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) |
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484 | #endif |
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485 | #endif |
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486 | |
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487 | #if __cplusplus |
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488 | #define ecb_inline static inline |
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489 | #elif ECB_GCC_VERSION(2,5) |
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490 | #define ecb_inline static __inline__ |
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491 | #elif ECB_C99 |
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492 | #define ecb_inline static inline |
480 | #else |
493 | #else |
481 | # define expect(expr,value) (expr) |
494 | #define ecb_inline static |
482 | # define noinline |
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483 | # if __STDC_VERSION__ < 199901L && __GNUC__ < 2 |
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484 | # define inline |
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485 | # endif |
495 | #endif |
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496 | |
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497 | #ifndef ECB_MEMORY_FENCE |
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498 | #if ECB_GCC_VERSION(2,5) |
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499 | #if __x86 |
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500 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
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501 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
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502 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE /* better be safe than sorry */ |
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503 | #elif __amd64 |
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504 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
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505 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory") |
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506 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") |
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507 | #endif |
486 | #endif |
508 | #endif |
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509 | #endif |
487 | |
510 | |
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511 | #ifndef ECB_MEMORY_FENCE |
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512 | #if ECB_GCC_VERSION(4,4) |
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513 | #define ECB_MEMORY_FENCE __sync_synchronize () |
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514 | #define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) |
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515 | #define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) |
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516 | #elif defined(_WIN32) && defined(MemoryBarrier) |
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517 | #define ECB_MEMORY_FENCE MemoryBarrier () |
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518 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
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519 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
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520 | #endif |
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521 | #endif |
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522 | |
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523 | #ifndef ECB_MEMORY_FENCE |
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524 | #include <pthread.h> |
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525 | |
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526 | static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER; |
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527 | #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0) |
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528 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
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529 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
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530 | #endif |
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531 | |
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532 | #if ECB_GCC_VERSION(3,1) |
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533 | #define ecb_attribute(attrlist) __attribute__(attrlist) |
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534 | #define ecb_is_constant(expr) __builtin_constant_p (expr) |
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535 | #define ecb_expect(expr,value) __builtin_expect ((expr),(value)) |
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536 | #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality) |
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537 | #else |
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538 | #define ecb_attribute(attrlist) |
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539 | #define ecb_is_constant(expr) 0 |
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540 | #define ecb_expect(expr,value) (expr) |
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541 | #define ecb_prefetch(addr,rw,locality) |
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542 | #endif |
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543 | |
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544 | #define ecb_noinline ecb_attribute ((__noinline__)) |
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545 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
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546 | #define ecb_unused ecb_attribute ((__unused__)) |
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547 | #define ecb_const ecb_attribute ((__const__)) |
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548 | #define ecb_pure ecb_attribute ((__pure__)) |
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549 | |
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550 | #if ECB_GCC_VERSION(4,3) |
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551 | #define ecb_artificial ecb_attribute ((__artificial__)) |
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552 | #define ecb_hot ecb_attribute ((__hot__)) |
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553 | #define ecb_cold ecb_attribute ((__cold__)) |
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554 | #else |
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555 | #define ecb_artificial |
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556 | #define ecb_hot |
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557 | #define ecb_cold |
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558 | #endif |
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559 | |
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560 | /* put around conditional expressions if you are very sure that the */ |
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561 | /* expression is mostly true or mostly false. note that these return */ |
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562 | /* booleans, not the expression. */ |
488 | #define expect_false(expr) expect ((expr) != 0, 0) |
563 | #define ecb_expect_false(expr) ecb_expect (!!(expr), 0) |
489 | #define expect_true(expr) expect ((expr) != 0, 1) |
564 | #define ecb_expect_true(expr) ecb_expect (!!(expr), 1) |
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565 | /* ecb.h end */ |
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566 | |
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567 | #define expect_false(cond) ecb_expect_false (cond) |
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568 | #define expect_true(cond) ecb_expect_true (cond) |
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569 | #define noinline ecb_noinline |
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570 | |
490 | #define inline_size static inline |
571 | #define inline_size ecb_inline |
491 | |
572 | |
492 | #if EV_FEATURE_CODE |
573 | #if EV_FEATURE_CODE |
493 | # define inline_speed static inline |
574 | # define inline_speed ecb_inline |
494 | #else |
575 | #else |
495 | # define inline_speed static noinline |
576 | # define inline_speed static noinline |
496 | #endif |
577 | #endif |
497 | |
578 | |
498 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
579 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
… | |
… | |
537 | # include "ev_win32.c" |
618 | # include "ev_win32.c" |
538 | #endif |
619 | #endif |
539 | |
620 | |
540 | /*****************************************************************************/ |
621 | /*****************************************************************************/ |
541 | |
622 | |
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623 | /* define a suitable floor function (only used by periodics atm) */ |
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624 | |
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625 | #if EV_USE_FLOOR |
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626 | # include <math.h> |
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627 | # define ev_floor(v) floor (v) |
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628 | #else |
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629 | |
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630 | #include <float.h> |
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631 | |
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632 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
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633 | static ev_tstamp noinline |
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634 | ev_floor (ev_tstamp v) |
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635 | { |
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636 | /* the choice of shift factor is not terribly important */ |
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637 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
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638 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
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639 | #else |
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640 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.; |
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641 | #endif |
|
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642 | |
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643 | /* argument too large for an unsigned long? */ |
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644 | if (expect_false (v >= shift)) |
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645 | { |
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646 | ev_tstamp f; |
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647 | |
|
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648 | if (v == v - 1.) |
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649 | return v; /* very large number */ |
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650 | |
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651 | f = shift * ev_floor (v * (1. / shift)); |
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652 | return f + ev_floor (v - f); |
|
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653 | } |
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654 | |
|
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655 | /* special treatment for negative args? */ |
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656 | if (expect_false (v < 0.)) |
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657 | { |
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658 | ev_tstamp f = -ev_floor (-v); |
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659 | |
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660 | return f - (f == v ? 0 : 1); |
|
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661 | } |
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662 | |
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663 | /* fits into an unsigned long */ |
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664 | return (unsigned long)v; |
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665 | } |
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666 | |
|
|
667 | #endif |
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668 | |
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669 | /*****************************************************************************/ |
|
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670 | |
|
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671 | #ifdef __linux |
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672 | # include <sys/utsname.h> |
|
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673 | #endif |
|
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674 | |
|
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675 | static unsigned int noinline ecb_cold |
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676 | ev_linux_version (void) |
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677 | { |
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678 | #ifdef __linux |
|
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679 | unsigned int v = 0; |
|
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680 | struct utsname buf; |
|
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681 | int i; |
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682 | char *p = buf.release; |
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683 | |
|
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684 | if (uname (&buf)) |
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685 | return 0; |
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686 | |
|
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687 | for (i = 3+1; --i; ) |
|
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688 | { |
|
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689 | unsigned int c = 0; |
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690 | |
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691 | for (;;) |
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692 | { |
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693 | if (*p >= '0' && *p <= '9') |
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694 | c = c * 10 + *p++ - '0'; |
|
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695 | else |
|
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696 | { |
|
|
697 | p += *p == '.'; |
|
|
698 | break; |
|
|
699 | } |
|
|
700 | } |
|
|
701 | |
|
|
702 | v = (v << 8) | c; |
|
|
703 | } |
|
|
704 | |
|
|
705 | return v; |
|
|
706 | #else |
|
|
707 | return 0; |
|
|
708 | #endif |
|
|
709 | } |
|
|
710 | |
|
|
711 | /*****************************************************************************/ |
|
|
712 | |
542 | #if EV_AVOID_STDIO |
713 | #if EV_AVOID_STDIO |
543 | static void noinline |
714 | static void noinline ecb_cold |
544 | ev_printerr (const char *msg) |
715 | ev_printerr (const char *msg) |
545 | { |
716 | { |
546 | write (STDERR_FILENO, msg, strlen (msg)); |
717 | write (STDERR_FILENO, msg, strlen (msg)); |
547 | } |
718 | } |
548 | #endif |
719 | #endif |
549 | |
720 | |
550 | static void (*syserr_cb)(const char *msg); |
721 | static void (*syserr_cb)(const char *msg); |
551 | |
722 | |
552 | void |
723 | void ecb_cold |
553 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
724 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
554 | { |
725 | { |
555 | syserr_cb = cb; |
726 | syserr_cb = cb; |
556 | } |
727 | } |
557 | |
728 | |
558 | static void noinline |
729 | static void noinline ecb_cold |
559 | ev_syserr (const char *msg) |
730 | ev_syserr (const char *msg) |
560 | { |
731 | { |
561 | if (!msg) |
732 | if (!msg) |
562 | msg = "(libev) system error"; |
733 | msg = "(libev) system error"; |
563 | |
734 | |
564 | if (syserr_cb) |
735 | if (syserr_cb) |
565 | syserr_cb (msg); |
736 | syserr_cb (msg); |
566 | else |
737 | else |
567 | { |
738 | { |
568 | #if EV_AVOID_STDIO |
739 | #if EV_AVOID_STDIO |
569 | const char *err = strerror (errno); |
|
|
570 | |
|
|
571 | ev_printerr (msg); |
740 | ev_printerr (msg); |
572 | ev_printerr (": "); |
741 | ev_printerr (": "); |
573 | ev_printerr (err); |
742 | ev_printerr (strerror (errno)); |
574 | ev_printerr ("\n"); |
743 | ev_printerr ("\n"); |
575 | #else |
744 | #else |
576 | perror (msg); |
745 | perror (msg); |
577 | #endif |
746 | #endif |
578 | abort (); |
747 | abort (); |
… | |
… | |
598 | #endif |
767 | #endif |
599 | } |
768 | } |
600 | |
769 | |
601 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
770 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
602 | |
771 | |
603 | void |
772 | void ecb_cold |
604 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
773 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
605 | { |
774 | { |
606 | alloc = cb; |
775 | alloc = cb; |
607 | } |
776 | } |
608 | |
777 | |
… | |
… | |
612 | ptr = alloc (ptr, size); |
781 | ptr = alloc (ptr, size); |
613 | |
782 | |
614 | if (!ptr && size) |
783 | if (!ptr && size) |
615 | { |
784 | { |
616 | #if EV_AVOID_STDIO |
785 | #if EV_AVOID_STDIO |
617 | ev_printerr ("libev: memory allocation failed, aborting.\n"); |
786 | ev_printerr ("(libev) memory allocation failed, aborting.\n"); |
618 | #else |
787 | #else |
619 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
788 | fprintf (stderr, "(libev) cannot allocate %ld bytes, aborting.", size); |
620 | #endif |
789 | #endif |
621 | abort (); |
790 | abort (); |
622 | } |
791 | } |
623 | |
792 | |
624 | return ptr; |
793 | return ptr; |
… | |
… | |
641 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
810 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
642 | unsigned char unused; |
811 | unsigned char unused; |
643 | #if EV_USE_EPOLL |
812 | #if EV_USE_EPOLL |
644 | unsigned int egen; /* generation counter to counter epoll bugs */ |
813 | unsigned int egen; /* generation counter to counter epoll bugs */ |
645 | #endif |
814 | #endif |
646 | #if EV_SELECT_IS_WINSOCKET |
815 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
647 | SOCKET handle; |
816 | SOCKET handle; |
|
|
817 | #endif |
|
|
818 | #if EV_USE_IOCP |
|
|
819 | OVERLAPPED or, ow; |
648 | #endif |
820 | #endif |
649 | } ANFD; |
821 | } ANFD; |
650 | |
822 | |
651 | /* stores the pending event set for a given watcher */ |
823 | /* stores the pending event set for a given watcher */ |
652 | typedef struct |
824 | typedef struct |
… | |
… | |
717 | # define EV_RELEASE_CB (void)0 |
889 | # define EV_RELEASE_CB (void)0 |
718 | # define EV_ACQUIRE_CB (void)0 |
890 | # define EV_ACQUIRE_CB (void)0 |
719 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
891 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
720 | #endif |
892 | #endif |
721 | |
893 | |
722 | #define EVUNLOOP_RECURSE 0x80 |
894 | #define EVBREAK_RECURSE 0x80 |
723 | |
895 | |
724 | /*****************************************************************************/ |
896 | /*****************************************************************************/ |
725 | |
897 | |
726 | #ifndef EV_HAVE_EV_TIME |
898 | #ifndef EV_HAVE_EV_TIME |
727 | ev_tstamp |
899 | ev_tstamp |
… | |
… | |
814 | } |
986 | } |
815 | |
987 | |
816 | return ncur; |
988 | return ncur; |
817 | } |
989 | } |
818 | |
990 | |
819 | static noinline void * |
991 | static void * noinline ecb_cold |
820 | array_realloc (int elem, void *base, int *cur, int cnt) |
992 | array_realloc (int elem, void *base, int *cur, int cnt) |
821 | { |
993 | { |
822 | *cur = array_nextsize (elem, *cur, cnt); |
994 | *cur = array_nextsize (elem, *cur, cnt); |
823 | return ev_realloc (base, elem * *cur); |
995 | return ev_realloc (base, elem * *cur); |
824 | } |
996 | } |
… | |
… | |
827 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
999 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
828 | |
1000 | |
829 | #define array_needsize(type,base,cur,cnt,init) \ |
1001 | #define array_needsize(type,base,cur,cnt,init) \ |
830 | if (expect_false ((cnt) > (cur))) \ |
1002 | if (expect_false ((cnt) > (cur))) \ |
831 | { \ |
1003 | { \ |
832 | int ocur_ = (cur); \ |
1004 | int ecb_unused ocur_ = (cur); \ |
833 | (base) = (type *)array_realloc \ |
1005 | (base) = (type *)array_realloc \ |
834 | (sizeof (type), (base), &(cur), (cnt)); \ |
1006 | (sizeof (type), (base), &(cur), (cnt)); \ |
835 | init ((base) + (ocur_), (cur) - ocur_); \ |
1007 | init ((base) + (ocur_), (cur) - ocur_); \ |
836 | } |
1008 | } |
837 | |
1009 | |
… | |
… | |
937 | inline_size void |
1109 | inline_size void |
938 | fd_reify (EV_P) |
1110 | fd_reify (EV_P) |
939 | { |
1111 | { |
940 | int i; |
1112 | int i; |
941 | |
1113 | |
|
|
1114 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
|
|
1115 | for (i = 0; i < fdchangecnt; ++i) |
|
|
1116 | { |
|
|
1117 | int fd = fdchanges [i]; |
|
|
1118 | ANFD *anfd = anfds + fd; |
|
|
1119 | |
|
|
1120 | if (anfd->reify & EV__IOFDSET && anfd->head) |
|
|
1121 | { |
|
|
1122 | SOCKET handle = EV_FD_TO_WIN32_HANDLE (fd); |
|
|
1123 | |
|
|
1124 | if (handle != anfd->handle) |
|
|
1125 | { |
|
|
1126 | unsigned long arg; |
|
|
1127 | |
|
|
1128 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (handle, FIONREAD, &arg) == 0)); |
|
|
1129 | |
|
|
1130 | /* handle changed, but fd didn't - we need to do it in two steps */ |
|
|
1131 | backend_modify (EV_A_ fd, anfd->events, 0); |
|
|
1132 | anfd->events = 0; |
|
|
1133 | anfd->handle = handle; |
|
|
1134 | } |
|
|
1135 | } |
|
|
1136 | } |
|
|
1137 | #endif |
|
|
1138 | |
942 | for (i = 0; i < fdchangecnt; ++i) |
1139 | for (i = 0; i < fdchangecnt; ++i) |
943 | { |
1140 | { |
944 | int fd = fdchanges [i]; |
1141 | int fd = fdchanges [i]; |
945 | ANFD *anfd = anfds + fd; |
1142 | ANFD *anfd = anfds + fd; |
946 | ev_io *w; |
1143 | ev_io *w; |
… | |
… | |
948 | unsigned char o_events = anfd->events; |
1145 | unsigned char o_events = anfd->events; |
949 | unsigned char o_reify = anfd->reify; |
1146 | unsigned char o_reify = anfd->reify; |
950 | |
1147 | |
951 | anfd->reify = 0; |
1148 | anfd->reify = 0; |
952 | |
1149 | |
953 | #if EV_SELECT_IS_WINSOCKET |
|
|
954 | if (o_reify & EV__IOFDSET) |
|
|
955 | { |
|
|
956 | unsigned long arg; |
|
|
957 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
|
|
958 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
|
|
959 | } |
|
|
960 | #endif |
|
|
961 | |
|
|
962 | /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
1150 | /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
963 | { |
1151 | { |
964 | anfd->events = 0; |
1152 | anfd->events = 0; |
965 | |
1153 | |
966 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
1154 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
… | |
… | |
991 | fdchanges [fdchangecnt - 1] = fd; |
1179 | fdchanges [fdchangecnt - 1] = fd; |
992 | } |
1180 | } |
993 | } |
1181 | } |
994 | |
1182 | |
995 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
1183 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
996 | inline_speed void |
1184 | inline_speed void ecb_cold |
997 | fd_kill (EV_P_ int fd) |
1185 | fd_kill (EV_P_ int fd) |
998 | { |
1186 | { |
999 | ev_io *w; |
1187 | ev_io *w; |
1000 | |
1188 | |
1001 | while ((w = (ev_io *)anfds [fd].head)) |
1189 | while ((w = (ev_io *)anfds [fd].head)) |
… | |
… | |
1004 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
1192 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
1005 | } |
1193 | } |
1006 | } |
1194 | } |
1007 | |
1195 | |
1008 | /* check whether the given fd is actually valid, for error recovery */ |
1196 | /* check whether the given fd is actually valid, for error recovery */ |
1009 | inline_size int |
1197 | inline_size int ecb_cold |
1010 | fd_valid (int fd) |
1198 | fd_valid (int fd) |
1011 | { |
1199 | { |
1012 | #ifdef _WIN32 |
1200 | #ifdef _WIN32 |
1013 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
1201 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
1014 | #else |
1202 | #else |
1015 | return fcntl (fd, F_GETFD) != -1; |
1203 | return fcntl (fd, F_GETFD) != -1; |
1016 | #endif |
1204 | #endif |
1017 | } |
1205 | } |
1018 | |
1206 | |
1019 | /* called on EBADF to verify fds */ |
1207 | /* called on EBADF to verify fds */ |
1020 | static void noinline |
1208 | static void noinline ecb_cold |
1021 | fd_ebadf (EV_P) |
1209 | fd_ebadf (EV_P) |
1022 | { |
1210 | { |
1023 | int fd; |
1211 | int fd; |
1024 | |
1212 | |
1025 | for (fd = 0; fd < anfdmax; ++fd) |
1213 | for (fd = 0; fd < anfdmax; ++fd) |
… | |
… | |
1027 | if (!fd_valid (fd) && errno == EBADF) |
1215 | if (!fd_valid (fd) && errno == EBADF) |
1028 | fd_kill (EV_A_ fd); |
1216 | fd_kill (EV_A_ fd); |
1029 | } |
1217 | } |
1030 | |
1218 | |
1031 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
1219 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
1032 | static void noinline |
1220 | static void noinline ecb_cold |
1033 | fd_enomem (EV_P) |
1221 | fd_enomem (EV_P) |
1034 | { |
1222 | { |
1035 | int fd; |
1223 | int fd; |
1036 | |
1224 | |
1037 | for (fd = anfdmax; fd--; ) |
1225 | for (fd = anfdmax; fd--; ) |
… | |
… | |
1232 | |
1420 | |
1233 | /*****************************************************************************/ |
1421 | /*****************************************************************************/ |
1234 | |
1422 | |
1235 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1423 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1236 | |
1424 | |
1237 | static void noinline |
1425 | static void noinline ecb_cold |
1238 | evpipe_init (EV_P) |
1426 | evpipe_init (EV_P) |
1239 | { |
1427 | { |
1240 | if (!ev_is_active (&pipe_w)) |
1428 | if (!ev_is_active (&pipe_w)) |
1241 | { |
1429 | { |
1242 | # if EV_USE_EVENTFD |
1430 | # if EV_USE_EVENTFD |
… | |
… | |
1264 | ev_io_start (EV_A_ &pipe_w); |
1452 | ev_io_start (EV_A_ &pipe_w); |
1265 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
1453 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
1266 | } |
1454 | } |
1267 | } |
1455 | } |
1268 | |
1456 | |
1269 | inline_size void |
1457 | inline_speed void |
1270 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1458 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1271 | { |
1459 | { |
1272 | if (!*flag) |
1460 | if (expect_true (*flag)) |
|
|
1461 | /*return*//*D*/; |
|
|
1462 | |
|
|
1463 | *flag = 1; |
|
|
1464 | |
|
|
1465 | ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ |
|
|
1466 | |
|
|
1467 | pipe_write_skipped = 1; |
|
|
1468 | |
|
|
1469 | ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */ |
|
|
1470 | |
|
|
1471 | if (pipe_write_wanted) |
1273 | { |
1472 | { |
|
|
1473 | int old_errno; |
|
|
1474 | |
|
|
1475 | pipe_write_skipped = 0; /* just an optimsiation, no fence needed */ |
|
|
1476 | |
1274 | int old_errno = errno; /* save errno because write might clobber it */ |
1477 | old_errno = errno; /* save errno because write will clobber it */ |
1275 | char dummy; |
|
|
1276 | |
|
|
1277 | *flag = 1; |
|
|
1278 | |
1478 | |
1279 | #if EV_USE_EVENTFD |
1479 | #if EV_USE_EVENTFD |
1280 | if (evfd >= 0) |
1480 | if (evfd >= 0) |
1281 | { |
1481 | { |
1282 | uint64_t counter = 1; |
1482 | uint64_t counter = 1; |
1283 | write (evfd, &counter, sizeof (uint64_t)); |
1483 | write (evfd, &counter, sizeof (uint64_t)); |
1284 | } |
1484 | } |
1285 | else |
1485 | else |
1286 | #endif |
1486 | #endif |
|
|
1487 | { |
1287 | /* win32 people keep sending patches that change this write() to send() */ |
1488 | /* win32 people keep sending patches that change this write() to send() */ |
1288 | /* and then run away. but send() is wrong, it wants a socket handle on win32 */ |
1489 | /* and then run away. but send() is wrong, it wants a socket handle on win32 */ |
1289 | /* so when you think this write should be a send instead, please find out */ |
1490 | /* so when you think this write should be a send instead, please find out */ |
1290 | /* where your send() is from - it's definitely not the microsoft send, and */ |
1491 | /* where your send() is from - it's definitely not the microsoft send, and */ |
1291 | /* tell me. thank you. */ |
1492 | /* tell me. thank you. */ |
1292 | write (evpipe [1], &dummy, 1); |
1493 | write (evpipe [1], &(evpipe [1]), 1); |
|
|
1494 | } |
1293 | |
1495 | |
1294 | errno = old_errno; |
1496 | errno = old_errno; |
1295 | } |
1497 | } |
1296 | } |
1498 | } |
1297 | |
1499 | |
… | |
… | |
1300 | static void |
1502 | static void |
1301 | pipecb (EV_P_ ev_io *iow, int revents) |
1503 | pipecb (EV_P_ ev_io *iow, int revents) |
1302 | { |
1504 | { |
1303 | int i; |
1505 | int i; |
1304 | |
1506 | |
|
|
1507 | if (revents & EV_READ) |
|
|
1508 | { |
1305 | #if EV_USE_EVENTFD |
1509 | #if EV_USE_EVENTFD |
1306 | if (evfd >= 0) |
1510 | if (evfd >= 0) |
1307 | { |
1511 | { |
1308 | uint64_t counter; |
1512 | uint64_t counter; |
1309 | read (evfd, &counter, sizeof (uint64_t)); |
1513 | read (evfd, &counter, sizeof (uint64_t)); |
1310 | } |
1514 | } |
1311 | else |
1515 | else |
1312 | #endif |
1516 | #endif |
1313 | { |
1517 | { |
1314 | char dummy; |
1518 | char dummy; |
1315 | /* see discussion in evpipe_write when you think this read should be recv in win32 */ |
1519 | /* see discussion in evpipe_write when you think this read should be recv in win32 */ |
1316 | read (evpipe [0], &dummy, 1); |
1520 | read (evpipe [0], &dummy, 1); |
|
|
1521 | } |
1317 | } |
1522 | } |
1318 | |
1523 | |
|
|
1524 | pipe_write_skipped = 0; |
|
|
1525 | |
|
|
1526 | #if EV_SIGNAL_ENABLE |
1319 | if (sig_pending) |
1527 | if (sig_pending) |
1320 | { |
1528 | { |
1321 | sig_pending = 0; |
1529 | sig_pending = 0; |
1322 | |
1530 | |
1323 | for (i = EV_NSIG - 1; i--; ) |
1531 | for (i = EV_NSIG - 1; i--; ) |
1324 | if (expect_false (signals [i].pending)) |
1532 | if (expect_false (signals [i].pending)) |
1325 | ev_feed_signal_event (EV_A_ i + 1); |
1533 | ev_feed_signal_event (EV_A_ i + 1); |
1326 | } |
1534 | } |
|
|
1535 | #endif |
1327 | |
1536 | |
1328 | #if EV_ASYNC_ENABLE |
1537 | #if EV_ASYNC_ENABLE |
1329 | if (async_pending) |
1538 | if (async_pending) |
1330 | { |
1539 | { |
1331 | async_pending = 0; |
1540 | async_pending = 0; |
… | |
… | |
1340 | #endif |
1549 | #endif |
1341 | } |
1550 | } |
1342 | |
1551 | |
1343 | /*****************************************************************************/ |
1552 | /*****************************************************************************/ |
1344 | |
1553 | |
|
|
1554 | void |
|
|
1555 | ev_feed_signal (int signum) |
|
|
1556 | { |
|
|
1557 | #if EV_MULTIPLICITY |
|
|
1558 | EV_P = signals [signum - 1].loop; |
|
|
1559 | |
|
|
1560 | if (!EV_A) |
|
|
1561 | return; |
|
|
1562 | #endif |
|
|
1563 | |
|
|
1564 | if (!ev_active (&pipe_w)) |
|
|
1565 | return; |
|
|
1566 | |
|
|
1567 | signals [signum - 1].pending = 1; |
|
|
1568 | evpipe_write (EV_A_ &sig_pending); |
|
|
1569 | } |
|
|
1570 | |
1345 | static void |
1571 | static void |
1346 | ev_sighandler (int signum) |
1572 | ev_sighandler (int signum) |
1347 | { |
1573 | { |
1348 | #if EV_MULTIPLICITY |
|
|
1349 | EV_P = signals [signum - 1].loop; |
|
|
1350 | #endif |
|
|
1351 | |
|
|
1352 | #ifdef _WIN32 |
1574 | #ifdef _WIN32 |
1353 | signal (signum, ev_sighandler); |
1575 | signal (signum, ev_sighandler); |
1354 | #endif |
1576 | #endif |
1355 | |
1577 | |
1356 | signals [signum - 1].pending = 1; |
1578 | ev_feed_signal (signum); |
1357 | evpipe_write (EV_A_ &sig_pending); |
|
|
1358 | } |
1579 | } |
1359 | |
1580 | |
1360 | void noinline |
1581 | void noinline |
1361 | ev_feed_signal_event (EV_P_ int signum) |
1582 | ev_feed_signal_event (EV_P_ int signum) |
1362 | { |
1583 | { |
… | |
… | |
1462 | |
1683 | |
1463 | #endif |
1684 | #endif |
1464 | |
1685 | |
1465 | /*****************************************************************************/ |
1686 | /*****************************************************************************/ |
1466 | |
1687 | |
|
|
1688 | #if EV_USE_IOCP |
|
|
1689 | # include "ev_iocp.c" |
|
|
1690 | #endif |
1467 | #if EV_USE_PORT |
1691 | #if EV_USE_PORT |
1468 | # include "ev_port.c" |
1692 | # include "ev_port.c" |
1469 | #endif |
1693 | #endif |
1470 | #if EV_USE_KQUEUE |
1694 | #if EV_USE_KQUEUE |
1471 | # include "ev_kqueue.c" |
1695 | # include "ev_kqueue.c" |
… | |
… | |
1478 | #endif |
1702 | #endif |
1479 | #if EV_USE_SELECT |
1703 | #if EV_USE_SELECT |
1480 | # include "ev_select.c" |
1704 | # include "ev_select.c" |
1481 | #endif |
1705 | #endif |
1482 | |
1706 | |
1483 | int |
1707 | int ecb_cold |
1484 | ev_version_major (void) |
1708 | ev_version_major (void) |
1485 | { |
1709 | { |
1486 | return EV_VERSION_MAJOR; |
1710 | return EV_VERSION_MAJOR; |
1487 | } |
1711 | } |
1488 | |
1712 | |
1489 | int |
1713 | int ecb_cold |
1490 | ev_version_minor (void) |
1714 | ev_version_minor (void) |
1491 | { |
1715 | { |
1492 | return EV_VERSION_MINOR; |
1716 | return EV_VERSION_MINOR; |
1493 | } |
1717 | } |
1494 | |
1718 | |
1495 | /* return true if we are running with elevated privileges and should ignore env variables */ |
1719 | /* return true if we are running with elevated privileges and should ignore env variables */ |
1496 | int inline_size |
1720 | int inline_size ecb_cold |
1497 | enable_secure (void) |
1721 | enable_secure (void) |
1498 | { |
1722 | { |
1499 | #ifdef _WIN32 |
1723 | #ifdef _WIN32 |
1500 | return 0; |
1724 | return 0; |
1501 | #else |
1725 | #else |
1502 | return getuid () != geteuid () |
1726 | return getuid () != geteuid () |
1503 | || getgid () != getegid (); |
1727 | || getgid () != getegid (); |
1504 | #endif |
1728 | #endif |
1505 | } |
1729 | } |
1506 | |
1730 | |
1507 | unsigned int |
1731 | unsigned int ecb_cold |
1508 | ev_supported_backends (void) |
1732 | ev_supported_backends (void) |
1509 | { |
1733 | { |
1510 | unsigned int flags = 0; |
1734 | unsigned int flags = 0; |
1511 | |
1735 | |
1512 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
1736 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
… | |
… | |
1516 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
1740 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
1517 | |
1741 | |
1518 | return flags; |
1742 | return flags; |
1519 | } |
1743 | } |
1520 | |
1744 | |
1521 | unsigned int |
1745 | unsigned int ecb_cold |
1522 | ev_recommended_backends (void) |
1746 | ev_recommended_backends (void) |
1523 | { |
1747 | { |
1524 | unsigned int flags = ev_supported_backends (); |
1748 | unsigned int flags = ev_supported_backends (); |
1525 | |
1749 | |
1526 | #ifndef __NetBSD__ |
1750 | #ifndef __NetBSD__ |
… | |
… | |
1538 | #endif |
1762 | #endif |
1539 | |
1763 | |
1540 | return flags; |
1764 | return flags; |
1541 | } |
1765 | } |
1542 | |
1766 | |
1543 | unsigned int |
1767 | unsigned int ecb_cold |
1544 | ev_embeddable_backends (void) |
1768 | ev_embeddable_backends (void) |
1545 | { |
1769 | { |
1546 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
1770 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
1547 | |
1771 | |
1548 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
1772 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
1549 | /* please fix it and tell me how to detect the fix */ |
1773 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
1550 | flags &= ~EVBACKEND_EPOLL; |
1774 | flags &= ~EVBACKEND_EPOLL; |
1551 | |
1775 | |
1552 | return flags; |
1776 | return flags; |
1553 | } |
1777 | } |
1554 | |
1778 | |
1555 | unsigned int |
1779 | unsigned int |
… | |
… | |
1593 | ev_userdata (EV_P) |
1817 | ev_userdata (EV_P) |
1594 | { |
1818 | { |
1595 | return userdata; |
1819 | return userdata; |
1596 | } |
1820 | } |
1597 | |
1821 | |
|
|
1822 | void |
1598 | void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) |
1823 | ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) |
1599 | { |
1824 | { |
1600 | invoke_cb = invoke_pending_cb; |
1825 | invoke_cb = invoke_pending_cb; |
1601 | } |
1826 | } |
1602 | |
1827 | |
|
|
1828 | void |
1603 | void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) |
1829 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) |
1604 | { |
1830 | { |
1605 | release_cb = release; |
1831 | release_cb = release; |
1606 | acquire_cb = acquire; |
1832 | acquire_cb = acquire; |
1607 | } |
1833 | } |
1608 | #endif |
1834 | #endif |
1609 | |
1835 | |
1610 | /* initialise a loop structure, must be zero-initialised */ |
1836 | /* initialise a loop structure, must be zero-initialised */ |
1611 | static void noinline |
1837 | static void noinline ecb_cold |
1612 | loop_init (EV_P_ unsigned int flags) |
1838 | loop_init (EV_P_ unsigned int flags) |
1613 | { |
1839 | { |
1614 | if (!backend) |
1840 | if (!backend) |
1615 | { |
1841 | { |
|
|
1842 | origflags = flags; |
|
|
1843 | |
1616 | #if EV_USE_REALTIME |
1844 | #if EV_USE_REALTIME |
1617 | if (!have_realtime) |
1845 | if (!have_realtime) |
1618 | { |
1846 | { |
1619 | struct timespec ts; |
1847 | struct timespec ts; |
1620 | |
1848 | |
… | |
… | |
1642 | if (!(flags & EVFLAG_NOENV) |
1870 | if (!(flags & EVFLAG_NOENV) |
1643 | && !enable_secure () |
1871 | && !enable_secure () |
1644 | && getenv ("LIBEV_FLAGS")) |
1872 | && getenv ("LIBEV_FLAGS")) |
1645 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1873 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1646 | |
1874 | |
1647 | ev_rt_now = ev_time (); |
1875 | ev_rt_now = ev_time (); |
1648 | mn_now = get_clock (); |
1876 | mn_now = get_clock (); |
1649 | now_floor = mn_now; |
1877 | now_floor = mn_now; |
1650 | rtmn_diff = ev_rt_now - mn_now; |
1878 | rtmn_diff = ev_rt_now - mn_now; |
1651 | #if EV_FEATURE_API |
1879 | #if EV_FEATURE_API |
1652 | invoke_cb = ev_invoke_pending; |
1880 | invoke_cb = ev_invoke_pending; |
1653 | #endif |
1881 | #endif |
1654 | |
1882 | |
1655 | io_blocktime = 0.; |
1883 | io_blocktime = 0.; |
1656 | timeout_blocktime = 0.; |
1884 | timeout_blocktime = 0.; |
1657 | backend = 0; |
1885 | backend = 0; |
1658 | backend_fd = -1; |
1886 | backend_fd = -1; |
1659 | sig_pending = 0; |
1887 | sig_pending = 0; |
1660 | #if EV_ASYNC_ENABLE |
1888 | #if EV_ASYNC_ENABLE |
1661 | async_pending = 0; |
1889 | async_pending = 0; |
1662 | #endif |
1890 | #endif |
|
|
1891 | pipe_write_skipped = 0; |
|
|
1892 | pipe_write_wanted = 0; |
1663 | #if EV_USE_INOTIFY |
1893 | #if EV_USE_INOTIFY |
1664 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
1894 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
1665 | #endif |
1895 | #endif |
1666 | #if EV_USE_SIGNALFD |
1896 | #if EV_USE_SIGNALFD |
1667 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
1897 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
1668 | #endif |
1898 | #endif |
1669 | |
1899 | |
1670 | if (!(flags & 0x0000ffffU)) |
1900 | if (!(flags & EVBACKEND_MASK)) |
1671 | flags |= ev_recommended_backends (); |
1901 | flags |= ev_recommended_backends (); |
1672 | |
1902 | |
|
|
1903 | #if EV_USE_IOCP |
|
|
1904 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
|
|
1905 | #endif |
1673 | #if EV_USE_PORT |
1906 | #if EV_USE_PORT |
1674 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1907 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1675 | #endif |
1908 | #endif |
1676 | #if EV_USE_KQUEUE |
1909 | #if EV_USE_KQUEUE |
1677 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
1910 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
… | |
… | |
1694 | #endif |
1927 | #endif |
1695 | } |
1928 | } |
1696 | } |
1929 | } |
1697 | |
1930 | |
1698 | /* free up a loop structure */ |
1931 | /* free up a loop structure */ |
1699 | static void noinline |
1932 | void ecb_cold |
1700 | loop_destroy (EV_P) |
1933 | ev_loop_destroy (EV_P) |
1701 | { |
1934 | { |
1702 | int i; |
1935 | int i; |
|
|
1936 | |
|
|
1937 | #if EV_MULTIPLICITY |
|
|
1938 | /* mimic free (0) */ |
|
|
1939 | if (!EV_A) |
|
|
1940 | return; |
|
|
1941 | #endif |
|
|
1942 | |
|
|
1943 | #if EV_CLEANUP_ENABLE |
|
|
1944 | /* queue cleanup watchers (and execute them) */ |
|
|
1945 | if (expect_false (cleanupcnt)) |
|
|
1946 | { |
|
|
1947 | queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP); |
|
|
1948 | EV_INVOKE_PENDING; |
|
|
1949 | } |
|
|
1950 | #endif |
|
|
1951 | |
|
|
1952 | #if EV_CHILD_ENABLE |
|
|
1953 | if (ev_is_active (&childev)) |
|
|
1954 | { |
|
|
1955 | ev_ref (EV_A); /* child watcher */ |
|
|
1956 | ev_signal_stop (EV_A_ &childev); |
|
|
1957 | } |
|
|
1958 | #endif |
1703 | |
1959 | |
1704 | if (ev_is_active (&pipe_w)) |
1960 | if (ev_is_active (&pipe_w)) |
1705 | { |
1961 | { |
1706 | /*ev_ref (EV_A);*/ |
1962 | /*ev_ref (EV_A);*/ |
1707 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
1963 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
… | |
… | |
1729 | #endif |
1985 | #endif |
1730 | |
1986 | |
1731 | if (backend_fd >= 0) |
1987 | if (backend_fd >= 0) |
1732 | close (backend_fd); |
1988 | close (backend_fd); |
1733 | |
1989 | |
|
|
1990 | #if EV_USE_IOCP |
|
|
1991 | if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); |
|
|
1992 | #endif |
1734 | #if EV_USE_PORT |
1993 | #if EV_USE_PORT |
1735 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
1994 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
1736 | #endif |
1995 | #endif |
1737 | #if EV_USE_KQUEUE |
1996 | #if EV_USE_KQUEUE |
1738 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
1997 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
… | |
… | |
1765 | array_free (periodic, EMPTY); |
2024 | array_free (periodic, EMPTY); |
1766 | #endif |
2025 | #endif |
1767 | #if EV_FORK_ENABLE |
2026 | #if EV_FORK_ENABLE |
1768 | array_free (fork, EMPTY); |
2027 | array_free (fork, EMPTY); |
1769 | #endif |
2028 | #endif |
|
|
2029 | #if EV_CLEANUP_ENABLE |
|
|
2030 | array_free (cleanup, EMPTY); |
|
|
2031 | #endif |
1770 | array_free (prepare, EMPTY); |
2032 | array_free (prepare, EMPTY); |
1771 | array_free (check, EMPTY); |
2033 | array_free (check, EMPTY); |
1772 | #if EV_ASYNC_ENABLE |
2034 | #if EV_ASYNC_ENABLE |
1773 | array_free (async, EMPTY); |
2035 | array_free (async, EMPTY); |
1774 | #endif |
2036 | #endif |
1775 | |
2037 | |
1776 | backend = 0; |
2038 | backend = 0; |
|
|
2039 | |
|
|
2040 | #if EV_MULTIPLICITY |
|
|
2041 | if (ev_is_default_loop (EV_A)) |
|
|
2042 | #endif |
|
|
2043 | ev_default_loop_ptr = 0; |
|
|
2044 | #if EV_MULTIPLICITY |
|
|
2045 | else |
|
|
2046 | ev_free (EV_A); |
|
|
2047 | #endif |
1777 | } |
2048 | } |
1778 | |
2049 | |
1779 | #if EV_USE_INOTIFY |
2050 | #if EV_USE_INOTIFY |
1780 | inline_size void infy_fork (EV_P); |
2051 | inline_size void infy_fork (EV_P); |
1781 | #endif |
2052 | #endif |
… | |
… | |
1796 | infy_fork (EV_A); |
2067 | infy_fork (EV_A); |
1797 | #endif |
2068 | #endif |
1798 | |
2069 | |
1799 | if (ev_is_active (&pipe_w)) |
2070 | if (ev_is_active (&pipe_w)) |
1800 | { |
2071 | { |
1801 | /* this "locks" the handlers against writing to the pipe */ |
2072 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
1802 | /* while we modify the fd vars */ |
|
|
1803 | sig_pending = 1; |
|
|
1804 | #if EV_ASYNC_ENABLE |
|
|
1805 | async_pending = 1; |
|
|
1806 | #endif |
|
|
1807 | |
2073 | |
1808 | ev_ref (EV_A); |
2074 | ev_ref (EV_A); |
1809 | ev_io_stop (EV_A_ &pipe_w); |
2075 | ev_io_stop (EV_A_ &pipe_w); |
1810 | |
2076 | |
1811 | #if EV_USE_EVENTFD |
2077 | #if EV_USE_EVENTFD |
… | |
… | |
1829 | postfork = 0; |
2095 | postfork = 0; |
1830 | } |
2096 | } |
1831 | |
2097 | |
1832 | #if EV_MULTIPLICITY |
2098 | #if EV_MULTIPLICITY |
1833 | |
2099 | |
1834 | struct ev_loop * |
2100 | struct ev_loop * ecb_cold |
1835 | ev_loop_new (unsigned int flags) |
2101 | ev_loop_new (unsigned int flags) |
1836 | { |
2102 | { |
1837 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
2103 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1838 | |
2104 | |
1839 | memset (EV_A, 0, sizeof (struct ev_loop)); |
2105 | memset (EV_A, 0, sizeof (struct ev_loop)); |
1840 | loop_init (EV_A_ flags); |
2106 | loop_init (EV_A_ flags); |
1841 | |
2107 | |
1842 | if (ev_backend (EV_A)) |
2108 | if (ev_backend (EV_A)) |
1843 | return EV_A; |
2109 | return EV_A; |
1844 | |
2110 | |
|
|
2111 | ev_free (EV_A); |
1845 | return 0; |
2112 | return 0; |
1846 | } |
2113 | } |
1847 | |
2114 | |
1848 | void |
|
|
1849 | ev_loop_destroy (EV_P) |
|
|
1850 | { |
|
|
1851 | loop_destroy (EV_A); |
|
|
1852 | ev_free (loop); |
|
|
1853 | } |
|
|
1854 | |
|
|
1855 | void |
|
|
1856 | ev_loop_fork (EV_P) |
|
|
1857 | { |
|
|
1858 | postfork = 1; /* must be in line with ev_default_fork */ |
|
|
1859 | } |
|
|
1860 | #endif /* multiplicity */ |
2115 | #endif /* multiplicity */ |
1861 | |
2116 | |
1862 | #if EV_VERIFY |
2117 | #if EV_VERIFY |
1863 | static void noinline |
2118 | static void noinline ecb_cold |
1864 | verify_watcher (EV_P_ W w) |
2119 | verify_watcher (EV_P_ W w) |
1865 | { |
2120 | { |
1866 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
2121 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
1867 | |
2122 | |
1868 | if (w->pending) |
2123 | if (w->pending) |
1869 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
2124 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
1870 | } |
2125 | } |
1871 | |
2126 | |
1872 | static void noinline |
2127 | static void noinline ecb_cold |
1873 | verify_heap (EV_P_ ANHE *heap, int N) |
2128 | verify_heap (EV_P_ ANHE *heap, int N) |
1874 | { |
2129 | { |
1875 | int i; |
2130 | int i; |
1876 | |
2131 | |
1877 | for (i = HEAP0; i < N + HEAP0; ++i) |
2132 | for (i = HEAP0; i < N + HEAP0; ++i) |
… | |
… | |
1882 | |
2137 | |
1883 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
2138 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
1884 | } |
2139 | } |
1885 | } |
2140 | } |
1886 | |
2141 | |
1887 | static void noinline |
2142 | static void noinline ecb_cold |
1888 | array_verify (EV_P_ W *ws, int cnt) |
2143 | array_verify (EV_P_ W *ws, int cnt) |
1889 | { |
2144 | { |
1890 | while (cnt--) |
2145 | while (cnt--) |
1891 | { |
2146 | { |
1892 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
2147 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
… | |
… | |
1894 | } |
2149 | } |
1895 | } |
2150 | } |
1896 | #endif |
2151 | #endif |
1897 | |
2152 | |
1898 | #if EV_FEATURE_API |
2153 | #if EV_FEATURE_API |
1899 | void |
2154 | void ecb_cold |
1900 | ev_verify (EV_P) |
2155 | ev_verify (EV_P) |
1901 | { |
2156 | { |
1902 | #if EV_VERIFY |
2157 | #if EV_VERIFY |
1903 | int i; |
2158 | int i; |
1904 | WL w; |
2159 | WL w; |
… | |
… | |
1939 | #if EV_FORK_ENABLE |
2194 | #if EV_FORK_ENABLE |
1940 | assert (forkmax >= forkcnt); |
2195 | assert (forkmax >= forkcnt); |
1941 | array_verify (EV_A_ (W *)forks, forkcnt); |
2196 | array_verify (EV_A_ (W *)forks, forkcnt); |
1942 | #endif |
2197 | #endif |
1943 | |
2198 | |
|
|
2199 | #if EV_CLEANUP_ENABLE |
|
|
2200 | assert (cleanupmax >= cleanupcnt); |
|
|
2201 | array_verify (EV_A_ (W *)cleanups, cleanupcnt); |
|
|
2202 | #endif |
|
|
2203 | |
1944 | #if EV_ASYNC_ENABLE |
2204 | #if EV_ASYNC_ENABLE |
1945 | assert (asyncmax >= asynccnt); |
2205 | assert (asyncmax >= asynccnt); |
1946 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
2206 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
1947 | #endif |
2207 | #endif |
1948 | |
2208 | |
… | |
… | |
1965 | #endif |
2225 | #endif |
1966 | } |
2226 | } |
1967 | #endif |
2227 | #endif |
1968 | |
2228 | |
1969 | #if EV_MULTIPLICITY |
2229 | #if EV_MULTIPLICITY |
1970 | struct ev_loop * |
2230 | struct ev_loop * ecb_cold |
1971 | ev_default_loop_init (unsigned int flags) |
|
|
1972 | #else |
2231 | #else |
1973 | int |
2232 | int |
|
|
2233 | #endif |
1974 | ev_default_loop (unsigned int flags) |
2234 | ev_default_loop (unsigned int flags) |
1975 | #endif |
|
|
1976 | { |
2235 | { |
1977 | if (!ev_default_loop_ptr) |
2236 | if (!ev_default_loop_ptr) |
1978 | { |
2237 | { |
1979 | #if EV_MULTIPLICITY |
2238 | #if EV_MULTIPLICITY |
1980 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
2239 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
… | |
… | |
1999 | |
2258 | |
2000 | return ev_default_loop_ptr; |
2259 | return ev_default_loop_ptr; |
2001 | } |
2260 | } |
2002 | |
2261 | |
2003 | void |
2262 | void |
2004 | ev_default_destroy (void) |
2263 | ev_loop_fork (EV_P) |
2005 | { |
2264 | { |
2006 | #if EV_MULTIPLICITY |
|
|
2007 | EV_P = ev_default_loop_ptr; |
|
|
2008 | #endif |
|
|
2009 | |
|
|
2010 | ev_default_loop_ptr = 0; |
|
|
2011 | |
|
|
2012 | #if EV_CHILD_ENABLE |
|
|
2013 | ev_ref (EV_A); /* child watcher */ |
|
|
2014 | ev_signal_stop (EV_A_ &childev); |
|
|
2015 | #endif |
|
|
2016 | |
|
|
2017 | loop_destroy (EV_A); |
|
|
2018 | } |
|
|
2019 | |
|
|
2020 | void |
|
|
2021 | ev_default_fork (void) |
|
|
2022 | { |
|
|
2023 | #if EV_MULTIPLICITY |
|
|
2024 | EV_P = ev_default_loop_ptr; |
|
|
2025 | #endif |
|
|
2026 | |
|
|
2027 | postfork = 1; /* must be in line with ev_loop_fork */ |
2265 | postfork = 1; /* must be in line with ev_default_fork */ |
2028 | } |
2266 | } |
2029 | |
2267 | |
2030 | /*****************************************************************************/ |
2268 | /*****************************************************************************/ |
2031 | |
2269 | |
2032 | void |
2270 | void |
… | |
… | |
2054 | |
2292 | |
2055 | for (pri = NUMPRI; pri--; ) |
2293 | for (pri = NUMPRI; pri--; ) |
2056 | while (pendingcnt [pri]) |
2294 | while (pendingcnt [pri]) |
2057 | { |
2295 | { |
2058 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
2296 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
2059 | |
|
|
2060 | /*assert (("libev: non-pending watcher on pending list", p->w->pending));*/ |
|
|
2061 | /* ^ this is no longer true, as pending_w could be here */ |
|
|
2062 | |
2297 | |
2063 | p->w->pending = 0; |
2298 | p->w->pending = 0; |
2064 | EV_CB_INVOKE (p->w, p->events); |
2299 | EV_CB_INVOKE (p->w, p->events); |
2065 | EV_FREQUENT_CHECK; |
2300 | EV_FREQUENT_CHECK; |
2066 | } |
2301 | } |
… | |
… | |
2128 | feed_reverse_done (EV_A_ EV_TIMER); |
2363 | feed_reverse_done (EV_A_ EV_TIMER); |
2129 | } |
2364 | } |
2130 | } |
2365 | } |
2131 | |
2366 | |
2132 | #if EV_PERIODIC_ENABLE |
2367 | #if EV_PERIODIC_ENABLE |
|
|
2368 | |
|
|
2369 | static void noinline |
|
|
2370 | periodic_recalc (EV_P_ ev_periodic *w) |
|
|
2371 | { |
|
|
2372 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
|
|
2373 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
|
|
2374 | |
|
|
2375 | /* the above almost always errs on the low side */ |
|
|
2376 | while (at <= ev_rt_now) |
|
|
2377 | { |
|
|
2378 | ev_tstamp nat = at + w->interval; |
|
|
2379 | |
|
|
2380 | /* when resolution fails us, we use ev_rt_now */ |
|
|
2381 | if (expect_false (nat == at)) |
|
|
2382 | { |
|
|
2383 | at = ev_rt_now; |
|
|
2384 | break; |
|
|
2385 | } |
|
|
2386 | |
|
|
2387 | at = nat; |
|
|
2388 | } |
|
|
2389 | |
|
|
2390 | ev_at (w) = at; |
|
|
2391 | } |
|
|
2392 | |
2133 | /* make periodics pending */ |
2393 | /* make periodics pending */ |
2134 | inline_size void |
2394 | inline_size void |
2135 | periodics_reify (EV_P) |
2395 | periodics_reify (EV_P) |
2136 | { |
2396 | { |
2137 | EV_FREQUENT_CHECK; |
2397 | EV_FREQUENT_CHECK; |
… | |
… | |
2156 | ANHE_at_cache (periodics [HEAP0]); |
2416 | ANHE_at_cache (periodics [HEAP0]); |
2157 | downheap (periodics, periodiccnt, HEAP0); |
2417 | downheap (periodics, periodiccnt, HEAP0); |
2158 | } |
2418 | } |
2159 | else if (w->interval) |
2419 | else if (w->interval) |
2160 | { |
2420 | { |
2161 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
2421 | periodic_recalc (EV_A_ w); |
2162 | /* if next trigger time is not sufficiently in the future, put it there */ |
|
|
2163 | /* this might happen because of floating point inexactness */ |
|
|
2164 | if (ev_at (w) - ev_rt_now < TIME_EPSILON) |
|
|
2165 | { |
|
|
2166 | ev_at (w) += w->interval; |
|
|
2167 | |
|
|
2168 | /* if interval is unreasonably low we might still have a time in the past */ |
|
|
2169 | /* so correct this. this will make the periodic very inexact, but the user */ |
|
|
2170 | /* has effectively asked to get triggered more often than possible */ |
|
|
2171 | if (ev_at (w) < ev_rt_now) |
|
|
2172 | ev_at (w) = ev_rt_now; |
|
|
2173 | } |
|
|
2174 | |
|
|
2175 | ANHE_at_cache (periodics [HEAP0]); |
2422 | ANHE_at_cache (periodics [HEAP0]); |
2176 | downheap (periodics, periodiccnt, HEAP0); |
2423 | downheap (periodics, periodiccnt, HEAP0); |
2177 | } |
2424 | } |
2178 | else |
2425 | else |
2179 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
2426 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
… | |
… | |
2187 | } |
2434 | } |
2188 | } |
2435 | } |
2189 | |
2436 | |
2190 | /* simply recalculate all periodics */ |
2437 | /* simply recalculate all periodics */ |
2191 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
2438 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
2192 | static void noinline |
2439 | static void noinline ecb_cold |
2193 | periodics_reschedule (EV_P) |
2440 | periodics_reschedule (EV_P) |
2194 | { |
2441 | { |
2195 | int i; |
2442 | int i; |
2196 | |
2443 | |
2197 | /* adjust periodics after time jump */ |
2444 | /* adjust periodics after time jump */ |
… | |
… | |
2200 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]); |
2447 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]); |
2201 | |
2448 | |
2202 | if (w->reschedule_cb) |
2449 | if (w->reschedule_cb) |
2203 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2450 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2204 | else if (w->interval) |
2451 | else if (w->interval) |
2205 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
2452 | periodic_recalc (EV_A_ w); |
2206 | |
2453 | |
2207 | ANHE_at_cache (periodics [i]); |
2454 | ANHE_at_cache (periodics [i]); |
2208 | } |
2455 | } |
2209 | |
2456 | |
2210 | reheap (periodics, periodiccnt); |
2457 | reheap (periodics, periodiccnt); |
2211 | } |
2458 | } |
2212 | #endif |
2459 | #endif |
2213 | |
2460 | |
2214 | /* adjust all timers by a given offset */ |
2461 | /* adjust all timers by a given offset */ |
2215 | static void noinline |
2462 | static void noinline ecb_cold |
2216 | timers_reschedule (EV_P_ ev_tstamp adjust) |
2463 | timers_reschedule (EV_P_ ev_tstamp adjust) |
2217 | { |
2464 | { |
2218 | int i; |
2465 | int i; |
2219 | |
2466 | |
2220 | for (i = 0; i < timercnt; ++i) |
2467 | for (i = 0; i < timercnt; ++i) |
… | |
… | |
2257 | * doesn't hurt either as we only do this on time-jumps or |
2504 | * doesn't hurt either as we only do this on time-jumps or |
2258 | * in the unlikely event of having been preempted here. |
2505 | * in the unlikely event of having been preempted here. |
2259 | */ |
2506 | */ |
2260 | for (i = 4; --i; ) |
2507 | for (i = 4; --i; ) |
2261 | { |
2508 | { |
|
|
2509 | ev_tstamp diff; |
2262 | rtmn_diff = ev_rt_now - mn_now; |
2510 | rtmn_diff = ev_rt_now - mn_now; |
2263 | |
2511 | |
|
|
2512 | diff = odiff - rtmn_diff; |
|
|
2513 | |
2264 | if (expect_true (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)) |
2514 | if (expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP)) |
2265 | return; /* all is well */ |
2515 | return; /* all is well */ |
2266 | |
2516 | |
2267 | ev_rt_now = ev_time (); |
2517 | ev_rt_now = ev_time (); |
2268 | mn_now = get_clock (); |
2518 | mn_now = get_clock (); |
2269 | now_floor = mn_now; |
2519 | now_floor = mn_now; |
… | |
… | |
2292 | mn_now = ev_rt_now; |
2542 | mn_now = ev_rt_now; |
2293 | } |
2543 | } |
2294 | } |
2544 | } |
2295 | |
2545 | |
2296 | void |
2546 | void |
2297 | ev_loop (EV_P_ int flags) |
2547 | ev_run (EV_P_ int flags) |
2298 | { |
2548 | { |
2299 | #if EV_FEATURE_API |
2549 | #if EV_FEATURE_API |
2300 | ++loop_depth; |
2550 | ++loop_depth; |
2301 | #endif |
2551 | #endif |
2302 | |
2552 | |
2303 | assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE)); |
2553 | assert (("libev: ev_loop recursion during release detected", loop_done != EVBREAK_RECURSE)); |
2304 | |
2554 | |
2305 | loop_done = EVUNLOOP_CANCEL; |
2555 | loop_done = EVBREAK_CANCEL; |
2306 | |
2556 | |
2307 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
2557 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
2308 | |
2558 | |
2309 | do |
2559 | do |
2310 | { |
2560 | { |
… | |
… | |
2353 | /* calculate blocking time */ |
2603 | /* calculate blocking time */ |
2354 | { |
2604 | { |
2355 | ev_tstamp waittime = 0.; |
2605 | ev_tstamp waittime = 0.; |
2356 | ev_tstamp sleeptime = 0.; |
2606 | ev_tstamp sleeptime = 0.; |
2357 | |
2607 | |
|
|
2608 | /* remember old timestamp for io_blocktime calculation */ |
|
|
2609 | ev_tstamp prev_mn_now = mn_now; |
|
|
2610 | |
|
|
2611 | /* update time to cancel out callback processing overhead */ |
|
|
2612 | time_update (EV_A_ 1e100); |
|
|
2613 | |
|
|
2614 | /* from now on, we want a pipe-wake-up */ |
|
|
2615 | pipe_write_wanted = 1; |
|
|
2616 | |
|
|
2617 | ECB_MEMORY_FENCE; /* amke sure pipe_write_wanted is visible before we check for potential skips */ |
|
|
2618 | |
2358 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
2619 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) |
2359 | { |
2620 | { |
2360 | /* remember old timestamp for io_blocktime calculation */ |
|
|
2361 | ev_tstamp prev_mn_now = mn_now; |
|
|
2362 | |
|
|
2363 | /* update time to cancel out callback processing overhead */ |
|
|
2364 | time_update (EV_A_ 1e100); |
|
|
2365 | |
|
|
2366 | waittime = MAX_BLOCKTIME; |
2621 | waittime = MAX_BLOCKTIME; |
2367 | |
2622 | |
2368 | if (timercnt) |
2623 | if (timercnt) |
2369 | { |
2624 | { |
2370 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
2625 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now; |
2371 | if (waittime > to) waittime = to; |
2626 | if (waittime > to) waittime = to; |
2372 | } |
2627 | } |
2373 | |
2628 | |
2374 | #if EV_PERIODIC_ENABLE |
2629 | #if EV_PERIODIC_ENABLE |
2375 | if (periodiccnt) |
2630 | if (periodiccnt) |
2376 | { |
2631 | { |
2377 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; |
2632 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now; |
2378 | if (waittime > to) waittime = to; |
2633 | if (waittime > to) waittime = to; |
2379 | } |
2634 | } |
2380 | #endif |
2635 | #endif |
2381 | |
2636 | |
2382 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
2637 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
2383 | if (expect_false (waittime < timeout_blocktime)) |
2638 | if (expect_false (waittime < timeout_blocktime)) |
2384 | waittime = timeout_blocktime; |
2639 | waittime = timeout_blocktime; |
|
|
2640 | |
|
|
2641 | /* at this point, we NEED to wait, so we have to ensure */ |
|
|
2642 | /* to pass a minimum nonzero value to the backend */ |
|
|
2643 | if (expect_false (waittime < backend_mintime)) |
|
|
2644 | waittime = backend_mintime; |
2385 | |
2645 | |
2386 | /* extra check because io_blocktime is commonly 0 */ |
2646 | /* extra check because io_blocktime is commonly 0 */ |
2387 | if (expect_false (io_blocktime)) |
2647 | if (expect_false (io_blocktime)) |
2388 | { |
2648 | { |
2389 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
2649 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
2390 | |
2650 | |
2391 | if (sleeptime > waittime - backend_fudge) |
2651 | if (sleeptime > waittime - backend_mintime) |
2392 | sleeptime = waittime - backend_fudge; |
2652 | sleeptime = waittime - backend_mintime; |
2393 | |
2653 | |
2394 | if (expect_true (sleeptime > 0.)) |
2654 | if (expect_true (sleeptime > 0.)) |
2395 | { |
2655 | { |
2396 | ev_sleep (sleeptime); |
2656 | ev_sleep (sleeptime); |
2397 | waittime -= sleeptime; |
2657 | waittime -= sleeptime; |
… | |
… | |
2400 | } |
2660 | } |
2401 | |
2661 | |
2402 | #if EV_FEATURE_API |
2662 | #if EV_FEATURE_API |
2403 | ++loop_count; |
2663 | ++loop_count; |
2404 | #endif |
2664 | #endif |
2405 | assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ |
2665 | assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ |
2406 | backend_poll (EV_A_ waittime); |
2666 | backend_poll (EV_A_ waittime); |
2407 | assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ |
2667 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
|
|
2668 | |
|
|
2669 | pipe_write_wanted = 0; /* just an optimsiation, no fence needed */ |
|
|
2670 | |
|
|
2671 | if (pipe_write_skipped) |
|
|
2672 | { |
|
|
2673 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
|
|
2674 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
|
|
2675 | } |
|
|
2676 | |
2408 | |
2677 | |
2409 | /* update ev_rt_now, do magic */ |
2678 | /* update ev_rt_now, do magic */ |
2410 | time_update (EV_A_ waittime + sleeptime); |
2679 | time_update (EV_A_ waittime + sleeptime); |
2411 | } |
2680 | } |
2412 | |
2681 | |
… | |
… | |
2430 | EV_INVOKE_PENDING; |
2699 | EV_INVOKE_PENDING; |
2431 | } |
2700 | } |
2432 | while (expect_true ( |
2701 | while (expect_true ( |
2433 | activecnt |
2702 | activecnt |
2434 | && !loop_done |
2703 | && !loop_done |
2435 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
2704 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
2436 | )); |
2705 | )); |
2437 | |
2706 | |
2438 | if (loop_done == EVUNLOOP_ONE) |
2707 | if (loop_done == EVBREAK_ONE) |
2439 | loop_done = EVUNLOOP_CANCEL; |
2708 | loop_done = EVBREAK_CANCEL; |
2440 | |
2709 | |
2441 | #if EV_FEATURE_API |
2710 | #if EV_FEATURE_API |
2442 | --loop_depth; |
2711 | --loop_depth; |
2443 | #endif |
2712 | #endif |
2444 | } |
2713 | } |
2445 | |
2714 | |
2446 | void |
2715 | void |
2447 | ev_unloop (EV_P_ int how) |
2716 | ev_break (EV_P_ int how) |
2448 | { |
2717 | { |
2449 | loop_done = how; |
2718 | loop_done = how; |
2450 | } |
2719 | } |
2451 | |
2720 | |
2452 | void |
2721 | void |
… | |
… | |
2702 | if (w->reschedule_cb) |
2971 | if (w->reschedule_cb) |
2703 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2972 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2704 | else if (w->interval) |
2973 | else if (w->interval) |
2705 | { |
2974 | { |
2706 | assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.)); |
2975 | assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.)); |
2707 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
2976 | periodic_recalc (EV_A_ w); |
2708 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
2709 | } |
2977 | } |
2710 | else |
2978 | else |
2711 | ev_at (w) = w->offset; |
2979 | ev_at (w) = w->offset; |
2712 | |
2980 | |
2713 | EV_FREQUENT_CHECK; |
2981 | EV_FREQUENT_CHECK; |
… | |
… | |
2834 | sa.sa_handler = ev_sighandler; |
3102 | sa.sa_handler = ev_sighandler; |
2835 | sigfillset (&sa.sa_mask); |
3103 | sigfillset (&sa.sa_mask); |
2836 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
3104 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2837 | sigaction (w->signum, &sa, 0); |
3105 | sigaction (w->signum, &sa, 0); |
2838 | |
3106 | |
|
|
3107 | if (origflags & EVFLAG_NOSIGMASK) |
|
|
3108 | { |
2839 | sigemptyset (&sa.sa_mask); |
3109 | sigemptyset (&sa.sa_mask); |
2840 | sigaddset (&sa.sa_mask, w->signum); |
3110 | sigaddset (&sa.sa_mask, w->signum); |
2841 | sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0); |
3111 | sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0); |
|
|
3112 | } |
2842 | #endif |
3113 | #endif |
2843 | } |
3114 | } |
2844 | |
3115 | |
2845 | EV_FREQUENT_CHECK; |
3116 | EV_FREQUENT_CHECK; |
2846 | } |
3117 | } |
… | |
… | |
2987 | if (!pend || pend == path) |
3258 | if (!pend || pend == path) |
2988 | break; |
3259 | break; |
2989 | |
3260 | |
2990 | *pend = 0; |
3261 | *pend = 0; |
2991 | w->wd = inotify_add_watch (fs_fd, path, mask); |
3262 | w->wd = inotify_add_watch (fs_fd, path, mask); |
2992 | } |
3263 | } |
2993 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
3264 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2994 | } |
3265 | } |
2995 | } |
3266 | } |
2996 | |
3267 | |
2997 | if (w->wd >= 0) |
3268 | if (w->wd >= 0) |
… | |
… | |
3064 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
3335 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
3065 | ofs += sizeof (struct inotify_event) + ev->len; |
3336 | ofs += sizeof (struct inotify_event) + ev->len; |
3066 | } |
3337 | } |
3067 | } |
3338 | } |
3068 | |
3339 | |
3069 | inline_size unsigned int |
|
|
3070 | ev_linux_version (void) |
|
|
3071 | { |
|
|
3072 | struct utsname buf; |
|
|
3073 | unsigned int v; |
|
|
3074 | int i; |
|
|
3075 | char *p = buf.release; |
|
|
3076 | |
|
|
3077 | if (uname (&buf)) |
|
|
3078 | return 0; |
|
|
3079 | |
|
|
3080 | for (i = 3+1; --i; ) |
|
|
3081 | { |
|
|
3082 | unsigned int c = 0; |
|
|
3083 | |
|
|
3084 | for (;;) |
|
|
3085 | { |
|
|
3086 | if (*p >= '0' && *p <= '9') |
|
|
3087 | c = c * 10 + *p++ - '0'; |
|
|
3088 | else |
|
|
3089 | { |
|
|
3090 | p += *p == '.'; |
|
|
3091 | break; |
|
|
3092 | } |
|
|
3093 | } |
|
|
3094 | |
|
|
3095 | v = (v << 8) | c; |
|
|
3096 | } |
|
|
3097 | |
|
|
3098 | return v; |
|
|
3099 | } |
|
|
3100 | |
|
|
3101 | inline_size void |
3340 | inline_size void ecb_cold |
3102 | ev_check_2625 (EV_P) |
3341 | ev_check_2625 (EV_P) |
3103 | { |
3342 | { |
3104 | /* kernels < 2.6.25 are borked |
3343 | /* kernels < 2.6.25 are borked |
3105 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
3344 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
3106 | */ |
3345 | */ |
… | |
… | |
3427 | |
3666 | |
3428 | #if EV_EMBED_ENABLE |
3667 | #if EV_EMBED_ENABLE |
3429 | void noinline |
3668 | void noinline |
3430 | ev_embed_sweep (EV_P_ ev_embed *w) |
3669 | ev_embed_sweep (EV_P_ ev_embed *w) |
3431 | { |
3670 | { |
3432 | ev_loop (w->other, EVLOOP_NONBLOCK); |
3671 | ev_run (w->other, EVRUN_NOWAIT); |
3433 | } |
3672 | } |
3434 | |
3673 | |
3435 | static void |
3674 | static void |
3436 | embed_io_cb (EV_P_ ev_io *io, int revents) |
3675 | embed_io_cb (EV_P_ ev_io *io, int revents) |
3437 | { |
3676 | { |
3438 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
3677 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
3439 | |
3678 | |
3440 | if (ev_cb (w)) |
3679 | if (ev_cb (w)) |
3441 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
3680 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
3442 | else |
3681 | else |
3443 | ev_loop (w->other, EVLOOP_NONBLOCK); |
3682 | ev_run (w->other, EVRUN_NOWAIT); |
3444 | } |
3683 | } |
3445 | |
3684 | |
3446 | static void |
3685 | static void |
3447 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3686 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3448 | { |
3687 | { |
… | |
… | |
3452 | EV_P = w->other; |
3691 | EV_P = w->other; |
3453 | |
3692 | |
3454 | while (fdchangecnt) |
3693 | while (fdchangecnt) |
3455 | { |
3694 | { |
3456 | fd_reify (EV_A); |
3695 | fd_reify (EV_A); |
3457 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3696 | ev_run (EV_A_ EVRUN_NOWAIT); |
3458 | } |
3697 | } |
3459 | } |
3698 | } |
3460 | } |
3699 | } |
3461 | |
3700 | |
3462 | static void |
3701 | static void |
… | |
… | |
3468 | |
3707 | |
3469 | { |
3708 | { |
3470 | EV_P = w->other; |
3709 | EV_P = w->other; |
3471 | |
3710 | |
3472 | ev_loop_fork (EV_A); |
3711 | ev_loop_fork (EV_A); |
3473 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3712 | ev_run (EV_A_ EVRUN_NOWAIT); |
3474 | } |
3713 | } |
3475 | |
3714 | |
3476 | ev_embed_start (EV_A_ w); |
3715 | ev_embed_start (EV_A_ w); |
3477 | } |
3716 | } |
3478 | |
3717 | |
… | |
… | |
3570 | |
3809 | |
3571 | EV_FREQUENT_CHECK; |
3810 | EV_FREQUENT_CHECK; |
3572 | } |
3811 | } |
3573 | #endif |
3812 | #endif |
3574 | |
3813 | |
|
|
3814 | #if EV_CLEANUP_ENABLE |
|
|
3815 | void |
|
|
3816 | ev_cleanup_start (EV_P_ ev_cleanup *w) |
|
|
3817 | { |
|
|
3818 | if (expect_false (ev_is_active (w))) |
|
|
3819 | return; |
|
|
3820 | |
|
|
3821 | EV_FREQUENT_CHECK; |
|
|
3822 | |
|
|
3823 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
|
|
3824 | array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2); |
|
|
3825 | cleanups [cleanupcnt - 1] = w; |
|
|
3826 | |
|
|
3827 | /* cleanup watchers should never keep a refcount on the loop */ |
|
|
3828 | ev_unref (EV_A); |
|
|
3829 | EV_FREQUENT_CHECK; |
|
|
3830 | } |
|
|
3831 | |
|
|
3832 | void |
|
|
3833 | ev_cleanup_stop (EV_P_ ev_cleanup *w) |
|
|
3834 | { |
|
|
3835 | clear_pending (EV_A_ (W)w); |
|
|
3836 | if (expect_false (!ev_is_active (w))) |
|
|
3837 | return; |
|
|
3838 | |
|
|
3839 | EV_FREQUENT_CHECK; |
|
|
3840 | ev_ref (EV_A); |
|
|
3841 | |
|
|
3842 | { |
|
|
3843 | int active = ev_active (w); |
|
|
3844 | |
|
|
3845 | cleanups [active - 1] = cleanups [--cleanupcnt]; |
|
|
3846 | ev_active (cleanups [active - 1]) = active; |
|
|
3847 | } |
|
|
3848 | |
|
|
3849 | ev_stop (EV_A_ (W)w); |
|
|
3850 | |
|
|
3851 | EV_FREQUENT_CHECK; |
|
|
3852 | } |
|
|
3853 | #endif |
|
|
3854 | |
3575 | #if EV_ASYNC_ENABLE |
3855 | #if EV_ASYNC_ENABLE |
3576 | void |
3856 | void |
3577 | ev_async_start (EV_P_ ev_async *w) |
3857 | ev_async_start (EV_P_ ev_async *w) |
3578 | { |
3858 | { |
3579 | if (expect_false (ev_is_active (w))) |
3859 | if (expect_false (ev_is_active (w))) |
3580 | return; |
3860 | return; |
|
|
3861 | |
|
|
3862 | w->sent = 0; |
3581 | |
3863 | |
3582 | evpipe_init (EV_A); |
3864 | evpipe_init (EV_A); |
3583 | |
3865 | |
3584 | EV_FREQUENT_CHECK; |
3866 | EV_FREQUENT_CHECK; |
3585 | |
3867 | |
… | |
… | |
3688 | } |
3970 | } |
3689 | |
3971 | |
3690 | /*****************************************************************************/ |
3972 | /*****************************************************************************/ |
3691 | |
3973 | |
3692 | #if EV_WALK_ENABLE |
3974 | #if EV_WALK_ENABLE |
3693 | void |
3975 | void ecb_cold |
3694 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) |
3976 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) |
3695 | { |
3977 | { |
3696 | int i, j; |
3978 | int i, j; |
3697 | ev_watcher_list *wl, *wn; |
3979 | ev_watcher_list *wl, *wn; |
3698 | |
3980 | |
… | |
… | |
3805 | |
4087 | |
3806 | #if EV_MULTIPLICITY |
4088 | #if EV_MULTIPLICITY |
3807 | #include "ev_wrap.h" |
4089 | #include "ev_wrap.h" |
3808 | #endif |
4090 | #endif |
3809 | |
4091 | |
3810 | #ifdef __cplusplus |
4092 | EV_CPP(}) |
3811 | } |
|
|
3812 | #endif |
|
|
3813 | |
4093 | |