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 |
|
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43 | |
|
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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 |
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|
47 | |
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|
48 | #if HAVE_FLOOR |
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|
49 | # ifndef EV_USE_FLOOR |
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|
50 | # define EV_USE_FLOOR 1 |
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|
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> |
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|
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 |
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|
187 | |
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|
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 |
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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 */ |
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|
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> |
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|
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 |
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417 | extern "C" { |
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418 | # endif |
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419 | int (eventfd) (unsigned int initval, int flags); |
423 | EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags); |
420 | # ifdef __cplusplus |
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421 | } |
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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 |
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|
439 | extern "C" { |
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|
440 | # endif |
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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 |
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|
449 | } |
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450 | # endif |
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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; tv.tv_nsec = (long)((t - tv.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 | |
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469 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
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470 | /* ECB.H BEGIN */ |
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471 | /* |
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472 | * libecb - http://software.schmorp.de/pkg/libecb |
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473 | * |
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474 | * Copyright (©) 2009-2011 Marc Alexander Lehmann <libecb@schmorp.de> |
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475 | * Copyright (©) 2011 Emanuele Giaquinta |
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476 | * All rights reserved. |
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477 | * |
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478 | * Redistribution and use in source and binary forms, with or without modifica- |
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479 | * tion, are permitted provided that the following conditions are met: |
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480 | * |
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481 | * 1. Redistributions of source code must retain the above copyright notice, |
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482 | * this list of conditions and the following disclaimer. |
|
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483 | * |
|
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484 | * 2. Redistributions in binary form must reproduce the above copyright |
|
|
485 | * notice, this list of conditions and the following disclaimer in the |
|
|
486 | * documentation and/or other materials provided with the distribution. |
|
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487 | * |
|
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488 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
|
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489 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- |
|
|
490 | * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
|
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491 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- |
|
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492 | * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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493 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
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494 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
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495 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
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496 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
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497 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
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498 | */ |
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499 | |
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500 | #ifndef ECB_H |
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501 | #define ECB_H |
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502 | |
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503 | #ifdef _WIN32 |
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504 | typedef signed char int8_t; |
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505 | typedef unsigned char uint8_t; |
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506 | typedef signed short int16_t; |
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507 | typedef unsigned short uint16_t; |
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508 | typedef signed int int32_t; |
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509 | typedef unsigned int uint32_t; |
477 | #if __GNUC__ >= 4 |
510 | #if __GNUC__ |
478 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
511 | typedef signed long long int64_t; |
479 | # define noinline __attribute__ ((noinline)) |
512 | typedef unsigned long long uint64_t; |
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513 | #else /* _MSC_VER || __BORLANDC__ */ |
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514 | typedef signed __int64 int64_t; |
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515 | typedef unsigned __int64 uint64_t; |
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516 | #endif |
480 | #else |
517 | #else |
481 | # define expect(expr,value) (expr) |
518 | #include <inttypes.h> |
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 |
519 | #endif |
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520 | |
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521 | /* many compilers define _GNUC_ to some versions but then only implement |
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522 | * what their idiot authors think are the "more important" extensions, |
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523 | * causing enormous grief in return for some better fake benchmark numbers. |
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524 | * or so. |
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525 | * we try to detect these and simply assume they are not gcc - if they have |
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526 | * an issue with that they should have done it right in the first place. |
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527 | */ |
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528 | #ifndef ECB_GCC_VERSION |
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529 | #if !defined(__GNUC_MINOR__) || defined(__INTEL_COMPILER) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) || defined(__llvm__) || defined(__clang__) |
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530 | #define ECB_GCC_VERSION(major,minor) 0 |
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531 | #else |
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532 | #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) |
486 | #endif |
533 | #endif |
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534 | #endif |
487 | |
535 | |
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536 | /*****************************************************************************/ |
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537 | |
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538 | /* ECB_NO_THREADS - ecb is not used by multiple threads, ever */ |
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539 | /* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */ |
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540 | |
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541 | #if ECB_NO_THREADS || ECB_NO_SMP |
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542 | #define ECB_MEMORY_FENCE do { } while (0) |
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543 | #endif |
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544 | |
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545 | #ifndef ECB_MEMORY_FENCE |
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546 | #if ECB_GCC_VERSION(2,5) |
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547 | #if __i386__ |
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548 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
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549 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */ |
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550 | #define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */ |
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551 | #elif __amd64 |
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552 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
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553 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory") |
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554 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */ |
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555 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
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556 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
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557 | #elif defined(__ARM_ARCH_6__ ) || defined(__ARM_ARCH_6J__ ) \ |
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558 | || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6ZK__) |
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559 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory") |
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560 | #elif defined(__ARM_ARCH_7__ ) || defined(__ARM_ARCH_7A__ ) \ |
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561 | || defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7R__ ) |
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562 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") |
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563 | #endif |
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564 | #endif |
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565 | #endif |
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566 | |
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567 | #ifndef ECB_MEMORY_FENCE |
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568 | #if ECB_GCC_VERSION(4,4) || defined(__INTEL_COMPILER) |
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569 | #define ECB_MEMORY_FENCE __sync_synchronize () |
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570 | /*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */ |
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571 | /*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */ |
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572 | #elif _MSC_VER >= 1400 /* VC++ 2005 */ |
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573 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
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574 | #define ECB_MEMORY_FENCE _ReadWriteBarrier () |
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575 | #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */ |
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576 | #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () |
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577 | #elif defined(_WIN32) |
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578 | #include <WinNT.h> |
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579 | #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ |
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580 | #endif |
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581 | #endif |
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582 | |
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583 | #ifndef ECB_MEMORY_FENCE |
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584 | #if !ECB_AVOID_PTHREADS |
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585 | /* |
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586 | * if you get undefined symbol references to pthread_mutex_lock, |
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587 | * or failure to find pthread.h, then you should implement |
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588 | * the ECB_MEMORY_FENCE operations for your cpu/compiler |
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589 | * OR provide pthread.h and link against the posix thread library |
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590 | * of your system. |
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591 | */ |
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592 | #include <pthread.h> |
|
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593 | #define ECB_NEEDS_PTHREADS 1 |
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594 | #define ECB_MEMORY_FENCE_NEEDS_PTHREADS 1 |
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595 | |
|
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596 | static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER; |
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597 | #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0) |
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598 | #endif |
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599 | #endif |
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600 | |
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601 | #if !defined(ECB_MEMORY_FENCE_ACQUIRE) && defined(ECB_MEMORY_FENCE) |
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602 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
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603 | #endif |
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604 | |
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605 | #if !defined(ECB_MEMORY_FENCE_RELEASE) && defined(ECB_MEMORY_FENCE) |
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606 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
|
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607 | #endif |
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608 | |
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609 | /*****************************************************************************/ |
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610 | |
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611 | #define ECB_C99 (__STDC_VERSION__ >= 199901L) |
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612 | |
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613 | #if __cplusplus |
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614 | #define ecb_inline static inline |
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615 | #elif ECB_GCC_VERSION(2,5) |
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616 | #define ecb_inline static __inline__ |
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617 | #elif ECB_C99 |
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618 | #define ecb_inline static inline |
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619 | #else |
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620 | #define ecb_inline static |
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621 | #endif |
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622 | |
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623 | #if ECB_GCC_VERSION(3,3) |
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624 | #define ecb_restrict __restrict__ |
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625 | #elif ECB_C99 |
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626 | #define ecb_restrict restrict |
|
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627 | #else |
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628 | #define ecb_restrict |
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629 | #endif |
|
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630 | |
|
|
631 | typedef int ecb_bool; |
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632 | |
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633 | #define ECB_CONCAT_(a, b) a ## b |
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634 | #define ECB_CONCAT(a, b) ECB_CONCAT_(a, b) |
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635 | #define ECB_STRINGIFY_(a) # a |
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636 | #define ECB_STRINGIFY(a) ECB_STRINGIFY_(a) |
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637 | |
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638 | #define ecb_function_ ecb_inline |
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639 | |
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640 | #if ECB_GCC_VERSION(3,1) |
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641 | #define ecb_attribute(attrlist) __attribute__(attrlist) |
|
|
642 | #define ecb_is_constant(expr) __builtin_constant_p (expr) |
|
|
643 | #define ecb_expect(expr,value) __builtin_expect ((expr),(value)) |
|
|
644 | #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality) |
|
|
645 | #else |
|
|
646 | #define ecb_attribute(attrlist) |
|
|
647 | #define ecb_is_constant(expr) 0 |
|
|
648 | #define ecb_expect(expr,value) (expr) |
|
|
649 | #define ecb_prefetch(addr,rw,locality) |
|
|
650 | #endif |
|
|
651 | |
|
|
652 | /* no emulation for ecb_decltype */ |
|
|
653 | #if ECB_GCC_VERSION(4,5) |
|
|
654 | #define ecb_decltype(x) __decltype(x) |
|
|
655 | #elif ECB_GCC_VERSION(3,0) |
|
|
656 | #define ecb_decltype(x) __typeof(x) |
|
|
657 | #endif |
|
|
658 | |
|
|
659 | #define ecb_noinline ecb_attribute ((__noinline__)) |
|
|
660 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
|
|
661 | #define ecb_unused ecb_attribute ((__unused__)) |
|
|
662 | #define ecb_const ecb_attribute ((__const__)) |
|
|
663 | #define ecb_pure ecb_attribute ((__pure__)) |
|
|
664 | |
|
|
665 | #if ECB_GCC_VERSION(4,3) |
|
|
666 | #define ecb_artificial ecb_attribute ((__artificial__)) |
|
|
667 | #define ecb_hot ecb_attribute ((__hot__)) |
|
|
668 | #define ecb_cold ecb_attribute ((__cold__)) |
|
|
669 | #else |
|
|
670 | #define ecb_artificial |
|
|
671 | #define ecb_hot |
|
|
672 | #define ecb_cold |
|
|
673 | #endif |
|
|
674 | |
|
|
675 | /* put around conditional expressions if you are very sure that the */ |
|
|
676 | /* expression is mostly true or mostly false. note that these return */ |
|
|
677 | /* booleans, not the expression. */ |
488 | #define expect_false(expr) expect ((expr) != 0, 0) |
678 | #define ecb_expect_false(expr) ecb_expect (!!(expr), 0) |
489 | #define expect_true(expr) expect ((expr) != 0, 1) |
679 | #define ecb_expect_true(expr) ecb_expect (!!(expr), 1) |
|
|
680 | /* for compatibility to the rest of the world */ |
|
|
681 | #define ecb_likely(expr) ecb_expect_true (expr) |
|
|
682 | #define ecb_unlikely(expr) ecb_expect_false (expr) |
|
|
683 | |
|
|
684 | /* count trailing zero bits and count # of one bits */ |
|
|
685 | #if ECB_GCC_VERSION(3,4) |
|
|
686 | /* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */ |
|
|
687 | #define ecb_ld32(x) (__builtin_clz (x) ^ 31) |
|
|
688 | #define ecb_ld64(x) (__builtin_clzll (x) ^ 63) |
|
|
689 | #define ecb_ctz32(x) __builtin_ctz (x) |
|
|
690 | #define ecb_ctz64(x) __builtin_ctzll (x) |
|
|
691 | #define ecb_popcount32(x) __builtin_popcount (x) |
|
|
692 | /* no popcountll */ |
|
|
693 | #else |
|
|
694 | ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const; |
|
|
695 | ecb_function_ int |
|
|
696 | ecb_ctz32 (uint32_t x) |
|
|
697 | { |
|
|
698 | int r = 0; |
|
|
699 | |
|
|
700 | x &= ~x + 1; /* this isolates the lowest bit */ |
|
|
701 | |
|
|
702 | #if ECB_branchless_on_i386 |
|
|
703 | r += !!(x & 0xaaaaaaaa) << 0; |
|
|
704 | r += !!(x & 0xcccccccc) << 1; |
|
|
705 | r += !!(x & 0xf0f0f0f0) << 2; |
|
|
706 | r += !!(x & 0xff00ff00) << 3; |
|
|
707 | r += !!(x & 0xffff0000) << 4; |
|
|
708 | #else |
|
|
709 | if (x & 0xaaaaaaaa) r += 1; |
|
|
710 | if (x & 0xcccccccc) r += 2; |
|
|
711 | if (x & 0xf0f0f0f0) r += 4; |
|
|
712 | if (x & 0xff00ff00) r += 8; |
|
|
713 | if (x & 0xffff0000) r += 16; |
|
|
714 | #endif |
|
|
715 | |
|
|
716 | return r; |
|
|
717 | } |
|
|
718 | |
|
|
719 | ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const; |
|
|
720 | ecb_function_ int |
|
|
721 | ecb_ctz64 (uint64_t x) |
|
|
722 | { |
|
|
723 | int shift = x & 0xffffffffU ? 0 : 32; |
|
|
724 | return ecb_ctz32 (x >> shift) + shift; |
|
|
725 | } |
|
|
726 | |
|
|
727 | ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const; |
|
|
728 | ecb_function_ int |
|
|
729 | ecb_popcount32 (uint32_t x) |
|
|
730 | { |
|
|
731 | x -= (x >> 1) & 0x55555555; |
|
|
732 | x = ((x >> 2) & 0x33333333) + (x & 0x33333333); |
|
|
733 | x = ((x >> 4) + x) & 0x0f0f0f0f; |
|
|
734 | x *= 0x01010101; |
|
|
735 | |
|
|
736 | return x >> 24; |
|
|
737 | } |
|
|
738 | |
|
|
739 | ecb_function_ int ecb_ld32 (uint32_t x) ecb_const; |
|
|
740 | ecb_function_ int ecb_ld32 (uint32_t x) |
|
|
741 | { |
|
|
742 | int r = 0; |
|
|
743 | |
|
|
744 | if (x >> 16) { x >>= 16; r += 16; } |
|
|
745 | if (x >> 8) { x >>= 8; r += 8; } |
|
|
746 | if (x >> 4) { x >>= 4; r += 4; } |
|
|
747 | if (x >> 2) { x >>= 2; r += 2; } |
|
|
748 | if (x >> 1) { r += 1; } |
|
|
749 | |
|
|
750 | return r; |
|
|
751 | } |
|
|
752 | |
|
|
753 | ecb_function_ int ecb_ld64 (uint64_t x) ecb_const; |
|
|
754 | ecb_function_ int ecb_ld64 (uint64_t x) |
|
|
755 | { |
|
|
756 | int r = 0; |
|
|
757 | |
|
|
758 | if (x >> 32) { x >>= 32; r += 32; } |
|
|
759 | |
|
|
760 | return r + ecb_ld32 (x); |
|
|
761 | } |
|
|
762 | #endif |
|
|
763 | |
|
|
764 | /* popcount64 is only available on 64 bit cpus as gcc builtin */ |
|
|
765 | /* so for this version we are lazy */ |
|
|
766 | ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const; |
|
|
767 | ecb_function_ int |
|
|
768 | ecb_popcount64 (uint64_t x) |
|
|
769 | { |
|
|
770 | return ecb_popcount32 (x) + ecb_popcount32 (x >> 32); |
|
|
771 | } |
|
|
772 | |
|
|
773 | ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const; |
|
|
774 | ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const; |
|
|
775 | ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const; |
|
|
776 | ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const; |
|
|
777 | ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const; |
|
|
778 | ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const; |
|
|
779 | ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const; |
|
|
780 | ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const; |
|
|
781 | |
|
|
782 | ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); } |
|
|
783 | ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); } |
|
|
784 | ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); } |
|
|
785 | ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); } |
|
|
786 | ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); } |
|
|
787 | ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } |
|
|
788 | ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } |
|
|
789 | ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } |
|
|
790 | |
|
|
791 | #if ECB_GCC_VERSION(4,3) |
|
|
792 | #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) |
|
|
793 | #define ecb_bswap32(x) __builtin_bswap32 (x) |
|
|
794 | #define ecb_bswap64(x) __builtin_bswap64 (x) |
|
|
795 | #else |
|
|
796 | ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const; |
|
|
797 | ecb_function_ uint16_t |
|
|
798 | ecb_bswap16 (uint16_t x) |
|
|
799 | { |
|
|
800 | return ecb_rotl16 (x, 8); |
|
|
801 | } |
|
|
802 | |
|
|
803 | ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const; |
|
|
804 | ecb_function_ uint32_t |
|
|
805 | ecb_bswap32 (uint32_t x) |
|
|
806 | { |
|
|
807 | return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16); |
|
|
808 | } |
|
|
809 | |
|
|
810 | ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const; |
|
|
811 | ecb_function_ uint64_t |
|
|
812 | ecb_bswap64 (uint64_t x) |
|
|
813 | { |
|
|
814 | return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32); |
|
|
815 | } |
|
|
816 | #endif |
|
|
817 | |
|
|
818 | #if ECB_GCC_VERSION(4,5) |
|
|
819 | #define ecb_unreachable() __builtin_unreachable () |
|
|
820 | #else |
|
|
821 | /* this seems to work fine, but gcc always emits a warning for it :/ */ |
|
|
822 | ecb_function_ void ecb_unreachable (void) ecb_noreturn; |
|
|
823 | ecb_function_ void ecb_unreachable (void) { } |
|
|
824 | #endif |
|
|
825 | |
|
|
826 | /* try to tell the compiler that some condition is definitely true */ |
|
|
827 | #define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0) |
|
|
828 | |
|
|
829 | ecb_function_ unsigned char ecb_byteorder_helper (void) ecb_const; |
|
|
830 | ecb_function_ unsigned char |
|
|
831 | ecb_byteorder_helper (void) |
|
|
832 | { |
|
|
833 | const uint32_t u = 0x11223344; |
|
|
834 | return *(unsigned char *)&u; |
|
|
835 | } |
|
|
836 | |
|
|
837 | ecb_function_ ecb_bool ecb_big_endian (void) ecb_const; |
|
|
838 | ecb_function_ ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; } |
|
|
839 | ecb_function_ ecb_bool ecb_little_endian (void) ecb_const; |
|
|
840 | ecb_function_ ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; } |
|
|
841 | |
|
|
842 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
|
|
843 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
|
|
844 | #else |
|
|
845 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
|
|
846 | #endif |
|
|
847 | |
|
|
848 | #if ecb_cplusplus_does_not_suck |
|
|
849 | /* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */ |
|
|
850 | template<typename T, int N> |
|
|
851 | static inline int ecb_array_length (const T (&arr)[N]) |
|
|
852 | { |
|
|
853 | return N; |
|
|
854 | } |
|
|
855 | #else |
|
|
856 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
|
|
857 | #endif |
|
|
858 | |
|
|
859 | #endif |
|
|
860 | |
|
|
861 | /* ECB.H END */ |
|
|
862 | |
|
|
863 | #if ECB_MEMORY_FENCE_NEEDS_PTHREADS |
|
|
864 | /* if your architecture doesn't need memory fences, e.g. because it is |
|
|
865 | * single-cpu/core, or if you use libev in a project that doesn't use libev |
|
|
866 | * from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling |
|
|
867 | * libev, in which casess the memory fences become nops. |
|
|
868 | * alternatively, you can remove this #error and link against libpthread, |
|
|
869 | * which will then provide the memory fences. |
|
|
870 | */ |
|
|
871 | # error "memory fences not defined for your architecture, please report" |
|
|
872 | #endif |
|
|
873 | |
|
|
874 | #ifndef ECB_MEMORY_FENCE |
|
|
875 | # define ECB_MEMORY_FENCE do { } while (0) |
|
|
876 | # define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
|
|
877 | # define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
|
|
878 | #endif |
|
|
879 | |
|
|
880 | #define expect_false(cond) ecb_expect_false (cond) |
|
|
881 | #define expect_true(cond) ecb_expect_true (cond) |
|
|
882 | #define noinline ecb_noinline |
|
|
883 | |
490 | #define inline_size static inline |
884 | #define inline_size ecb_inline |
491 | |
885 | |
492 | #if EV_FEATURE_CODE |
886 | #if EV_FEATURE_CODE |
493 | # define inline_speed static inline |
887 | # define inline_speed ecb_inline |
494 | #else |
888 | #else |
495 | # define inline_speed static noinline |
889 | # define inline_speed static noinline |
496 | #endif |
890 | #endif |
497 | |
891 | |
498 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
892 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
… | |
… | |
537 | # include "ev_win32.c" |
931 | # include "ev_win32.c" |
538 | #endif |
932 | #endif |
539 | |
933 | |
540 | /*****************************************************************************/ |
934 | /*****************************************************************************/ |
541 | |
935 | |
|
|
936 | /* define a suitable floor function (only used by periodics atm) */ |
|
|
937 | |
|
|
938 | #if EV_USE_FLOOR |
|
|
939 | # include <math.h> |
|
|
940 | # define ev_floor(v) floor (v) |
|
|
941 | #else |
|
|
942 | |
|
|
943 | #include <float.h> |
|
|
944 | |
|
|
945 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
|
|
946 | static ev_tstamp noinline |
|
|
947 | ev_floor (ev_tstamp v) |
|
|
948 | { |
|
|
949 | /* the choice of shift factor is not terribly important */ |
|
|
950 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
|
|
951 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
|
|
952 | #else |
|
|
953 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.; |
|
|
954 | #endif |
|
|
955 | |
|
|
956 | /* argument too large for an unsigned long? */ |
|
|
957 | if (expect_false (v >= shift)) |
|
|
958 | { |
|
|
959 | ev_tstamp f; |
|
|
960 | |
|
|
961 | if (v == v - 1.) |
|
|
962 | return v; /* very large number */ |
|
|
963 | |
|
|
964 | f = shift * ev_floor (v * (1. / shift)); |
|
|
965 | return f + ev_floor (v - f); |
|
|
966 | } |
|
|
967 | |
|
|
968 | /* special treatment for negative args? */ |
|
|
969 | if (expect_false (v < 0.)) |
|
|
970 | { |
|
|
971 | ev_tstamp f = -ev_floor (-v); |
|
|
972 | |
|
|
973 | return f - (f == v ? 0 : 1); |
|
|
974 | } |
|
|
975 | |
|
|
976 | /* fits into an unsigned long */ |
|
|
977 | return (unsigned long)v; |
|
|
978 | } |
|
|
979 | |
|
|
980 | #endif |
|
|
981 | |
|
|
982 | /*****************************************************************************/ |
|
|
983 | |
|
|
984 | #ifdef __linux |
|
|
985 | # include <sys/utsname.h> |
|
|
986 | #endif |
|
|
987 | |
|
|
988 | static unsigned int noinline ecb_cold |
|
|
989 | ev_linux_version (void) |
|
|
990 | { |
|
|
991 | #ifdef __linux |
|
|
992 | unsigned int v = 0; |
|
|
993 | struct utsname buf; |
|
|
994 | int i; |
|
|
995 | char *p = buf.release; |
|
|
996 | |
|
|
997 | if (uname (&buf)) |
|
|
998 | return 0; |
|
|
999 | |
|
|
1000 | for (i = 3+1; --i; ) |
|
|
1001 | { |
|
|
1002 | unsigned int c = 0; |
|
|
1003 | |
|
|
1004 | for (;;) |
|
|
1005 | { |
|
|
1006 | if (*p >= '0' && *p <= '9') |
|
|
1007 | c = c * 10 + *p++ - '0'; |
|
|
1008 | else |
|
|
1009 | { |
|
|
1010 | p += *p == '.'; |
|
|
1011 | break; |
|
|
1012 | } |
|
|
1013 | } |
|
|
1014 | |
|
|
1015 | v = (v << 8) | c; |
|
|
1016 | } |
|
|
1017 | |
|
|
1018 | return v; |
|
|
1019 | #else |
|
|
1020 | return 0; |
|
|
1021 | #endif |
|
|
1022 | } |
|
|
1023 | |
|
|
1024 | /*****************************************************************************/ |
|
|
1025 | |
542 | #if EV_AVOID_STDIO |
1026 | #if EV_AVOID_STDIO |
543 | static void noinline |
1027 | static void noinline ecb_cold |
544 | ev_printerr (const char *msg) |
1028 | ev_printerr (const char *msg) |
545 | { |
1029 | { |
546 | write (STDERR_FILENO, msg, strlen (msg)); |
1030 | write (STDERR_FILENO, msg, strlen (msg)); |
547 | } |
1031 | } |
548 | #endif |
1032 | #endif |
549 | |
1033 | |
550 | static void (*syserr_cb)(const char *msg); |
1034 | static void (*syserr_cb)(const char *msg); |
551 | |
1035 | |
552 | void |
1036 | void ecb_cold |
553 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
1037 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
554 | { |
1038 | { |
555 | syserr_cb = cb; |
1039 | syserr_cb = cb; |
556 | } |
1040 | } |
557 | |
1041 | |
558 | static void noinline |
1042 | static void noinline ecb_cold |
559 | ev_syserr (const char *msg) |
1043 | ev_syserr (const char *msg) |
560 | { |
1044 | { |
561 | if (!msg) |
1045 | if (!msg) |
562 | msg = "(libev) system error"; |
1046 | msg = "(libev) system error"; |
563 | |
1047 | |
564 | if (syserr_cb) |
1048 | if (syserr_cb) |
565 | syserr_cb (msg); |
1049 | syserr_cb (msg); |
566 | else |
1050 | else |
567 | { |
1051 | { |
568 | #if EV_AVOID_STDIO |
1052 | #if EV_AVOID_STDIO |
569 | const char *err = strerror (errno); |
|
|
570 | |
|
|
571 | ev_printerr (msg); |
1053 | ev_printerr (msg); |
572 | ev_printerr (": "); |
1054 | ev_printerr (": "); |
573 | ev_printerr (err); |
1055 | ev_printerr (strerror (errno)); |
574 | ev_printerr ("\n"); |
1056 | ev_printerr ("\n"); |
575 | #else |
1057 | #else |
576 | perror (msg); |
1058 | perror (msg); |
577 | #endif |
1059 | #endif |
578 | abort (); |
1060 | abort (); |
… | |
… | |
598 | #endif |
1080 | #endif |
599 | } |
1081 | } |
600 | |
1082 | |
601 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
1083 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
602 | |
1084 | |
603 | void |
1085 | void ecb_cold |
604 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
1086 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
605 | { |
1087 | { |
606 | alloc = cb; |
1088 | alloc = cb; |
607 | } |
1089 | } |
608 | |
1090 | |
… | |
… | |
612 | ptr = alloc (ptr, size); |
1094 | ptr = alloc (ptr, size); |
613 | |
1095 | |
614 | if (!ptr && size) |
1096 | if (!ptr && size) |
615 | { |
1097 | { |
616 | #if EV_AVOID_STDIO |
1098 | #if EV_AVOID_STDIO |
617 | ev_printerr ("libev: memory allocation failed, aborting.\n"); |
1099 | ev_printerr ("(libev) memory allocation failed, aborting.\n"); |
618 | #else |
1100 | #else |
619 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
1101 | fprintf (stderr, "(libev) cannot allocate %ld bytes, aborting.", size); |
620 | #endif |
1102 | #endif |
621 | abort (); |
1103 | abort (); |
622 | } |
1104 | } |
623 | |
1105 | |
624 | return ptr; |
1106 | return ptr; |
… | |
… | |
641 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
1123 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
642 | unsigned char unused; |
1124 | unsigned char unused; |
643 | #if EV_USE_EPOLL |
1125 | #if EV_USE_EPOLL |
644 | unsigned int egen; /* generation counter to counter epoll bugs */ |
1126 | unsigned int egen; /* generation counter to counter epoll bugs */ |
645 | #endif |
1127 | #endif |
646 | #if EV_SELECT_IS_WINSOCKET |
1128 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
647 | SOCKET handle; |
1129 | SOCKET handle; |
|
|
1130 | #endif |
|
|
1131 | #if EV_USE_IOCP |
|
|
1132 | OVERLAPPED or, ow; |
648 | #endif |
1133 | #endif |
649 | } ANFD; |
1134 | } ANFD; |
650 | |
1135 | |
651 | /* stores the pending event set for a given watcher */ |
1136 | /* stores the pending event set for a given watcher */ |
652 | typedef struct |
1137 | typedef struct |
… | |
… | |
717 | # define EV_RELEASE_CB (void)0 |
1202 | # define EV_RELEASE_CB (void)0 |
718 | # define EV_ACQUIRE_CB (void)0 |
1203 | # define EV_ACQUIRE_CB (void)0 |
719 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
1204 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
720 | #endif |
1205 | #endif |
721 | |
1206 | |
722 | #define EVUNLOOP_RECURSE 0x80 |
1207 | #define EVBREAK_RECURSE 0x80 |
723 | |
1208 | |
724 | /*****************************************************************************/ |
1209 | /*****************************************************************************/ |
725 | |
1210 | |
726 | #ifndef EV_HAVE_EV_TIME |
1211 | #ifndef EV_HAVE_EV_TIME |
727 | ev_tstamp |
1212 | ev_tstamp |
… | |
… | |
771 | if (delay > 0.) |
1256 | if (delay > 0.) |
772 | { |
1257 | { |
773 | #if EV_USE_NANOSLEEP |
1258 | #if EV_USE_NANOSLEEP |
774 | struct timespec ts; |
1259 | struct timespec ts; |
775 | |
1260 | |
776 | EV_SET_TS (ts, delay); |
1261 | EV_TS_SET (ts, delay); |
777 | nanosleep (&ts, 0); |
1262 | nanosleep (&ts, 0); |
778 | #elif defined(_WIN32) |
1263 | #elif defined(_WIN32) |
779 | Sleep ((unsigned long)(delay * 1e3)); |
1264 | Sleep ((unsigned long)(delay * 1e3)); |
780 | #else |
1265 | #else |
781 | struct timeval tv; |
1266 | struct timeval tv; |
782 | |
1267 | |
783 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
1268 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
784 | /* something not guaranteed by newer posix versions, but guaranteed */ |
1269 | /* something not guaranteed by newer posix versions, but guaranteed */ |
785 | /* by older ones */ |
1270 | /* by older ones */ |
786 | EV_SET_TV (tv, delay); |
1271 | EV_TV_SET (tv, delay); |
787 | select (0, 0, 0, 0, &tv); |
1272 | select (0, 0, 0, 0, &tv); |
788 | #endif |
1273 | #endif |
789 | } |
1274 | } |
790 | } |
1275 | } |
791 | |
1276 | |
… | |
… | |
814 | } |
1299 | } |
815 | |
1300 | |
816 | return ncur; |
1301 | return ncur; |
817 | } |
1302 | } |
818 | |
1303 | |
819 | static noinline void * |
1304 | static void * noinline ecb_cold |
820 | array_realloc (int elem, void *base, int *cur, int cnt) |
1305 | array_realloc (int elem, void *base, int *cur, int cnt) |
821 | { |
1306 | { |
822 | *cur = array_nextsize (elem, *cur, cnt); |
1307 | *cur = array_nextsize (elem, *cur, cnt); |
823 | return ev_realloc (base, elem * *cur); |
1308 | return ev_realloc (base, elem * *cur); |
824 | } |
1309 | } |
… | |
… | |
827 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
1312 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
828 | |
1313 | |
829 | #define array_needsize(type,base,cur,cnt,init) \ |
1314 | #define array_needsize(type,base,cur,cnt,init) \ |
830 | if (expect_false ((cnt) > (cur))) \ |
1315 | if (expect_false ((cnt) > (cur))) \ |
831 | { \ |
1316 | { \ |
832 | int ocur_ = (cur); \ |
1317 | int ecb_unused ocur_ = (cur); \ |
833 | (base) = (type *)array_realloc \ |
1318 | (base) = (type *)array_realloc \ |
834 | (sizeof (type), (base), &(cur), (cnt)); \ |
1319 | (sizeof (type), (base), &(cur), (cnt)); \ |
835 | init ((base) + (ocur_), (cur) - ocur_); \ |
1320 | init ((base) + (ocur_), (cur) - ocur_); \ |
836 | } |
1321 | } |
837 | |
1322 | |
… | |
… | |
937 | inline_size void |
1422 | inline_size void |
938 | fd_reify (EV_P) |
1423 | fd_reify (EV_P) |
939 | { |
1424 | { |
940 | int i; |
1425 | int i; |
941 | |
1426 | |
|
|
1427 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
|
|
1428 | for (i = 0; i < fdchangecnt; ++i) |
|
|
1429 | { |
|
|
1430 | int fd = fdchanges [i]; |
|
|
1431 | ANFD *anfd = anfds + fd; |
|
|
1432 | |
|
|
1433 | if (anfd->reify & EV__IOFDSET && anfd->head) |
|
|
1434 | { |
|
|
1435 | SOCKET handle = EV_FD_TO_WIN32_HANDLE (fd); |
|
|
1436 | |
|
|
1437 | if (handle != anfd->handle) |
|
|
1438 | { |
|
|
1439 | unsigned long arg; |
|
|
1440 | |
|
|
1441 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (handle, FIONREAD, &arg) == 0)); |
|
|
1442 | |
|
|
1443 | /* handle changed, but fd didn't - we need to do it in two steps */ |
|
|
1444 | backend_modify (EV_A_ fd, anfd->events, 0); |
|
|
1445 | anfd->events = 0; |
|
|
1446 | anfd->handle = handle; |
|
|
1447 | } |
|
|
1448 | } |
|
|
1449 | } |
|
|
1450 | #endif |
|
|
1451 | |
942 | for (i = 0; i < fdchangecnt; ++i) |
1452 | for (i = 0; i < fdchangecnt; ++i) |
943 | { |
1453 | { |
944 | int fd = fdchanges [i]; |
1454 | int fd = fdchanges [i]; |
945 | ANFD *anfd = anfds + fd; |
1455 | ANFD *anfd = anfds + fd; |
946 | ev_io *w; |
1456 | ev_io *w; |
947 | |
1457 | |
948 | unsigned char events = 0; |
1458 | unsigned char o_events = anfd->events; |
|
|
1459 | unsigned char o_reify = anfd->reify; |
949 | |
1460 | |
950 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
1461 | anfd->reify = 0; |
951 | events |= (unsigned char)w->events; |
|
|
952 | |
1462 | |
953 | #if EV_SELECT_IS_WINSOCKET |
1463 | /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
954 | if (events) |
|
|
955 | { |
1464 | { |
956 | unsigned long arg; |
1465 | anfd->events = 0; |
957 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
1466 | |
958 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
1467 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
|
|
1468 | anfd->events |= (unsigned char)w->events; |
|
|
1469 | |
|
|
1470 | if (o_events != anfd->events) |
|
|
1471 | o_reify = EV__IOFDSET; /* actually |= */ |
959 | } |
1472 | } |
960 | #endif |
|
|
961 | |
1473 | |
962 | { |
1474 | if (o_reify & EV__IOFDSET) |
963 | unsigned char o_events = anfd->events; |
|
|
964 | unsigned char o_reify = anfd->reify; |
|
|
965 | |
|
|
966 | anfd->reify = 0; |
|
|
967 | anfd->events = events; |
|
|
968 | |
|
|
969 | if (o_events != events || o_reify & EV__IOFDSET) |
|
|
970 | backend_modify (EV_A_ fd, o_events, events); |
1475 | backend_modify (EV_A_ fd, o_events, anfd->events); |
971 | } |
|
|
972 | } |
1476 | } |
973 | |
1477 | |
974 | fdchangecnt = 0; |
1478 | fdchangecnt = 0; |
975 | } |
1479 | } |
976 | |
1480 | |
… | |
… | |
988 | fdchanges [fdchangecnt - 1] = fd; |
1492 | fdchanges [fdchangecnt - 1] = fd; |
989 | } |
1493 | } |
990 | } |
1494 | } |
991 | |
1495 | |
992 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
1496 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
993 | inline_speed void |
1497 | inline_speed void ecb_cold |
994 | fd_kill (EV_P_ int fd) |
1498 | fd_kill (EV_P_ int fd) |
995 | { |
1499 | { |
996 | ev_io *w; |
1500 | ev_io *w; |
997 | |
1501 | |
998 | while ((w = (ev_io *)anfds [fd].head)) |
1502 | while ((w = (ev_io *)anfds [fd].head)) |
… | |
… | |
1001 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
1505 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
1002 | } |
1506 | } |
1003 | } |
1507 | } |
1004 | |
1508 | |
1005 | /* check whether the given fd is actually valid, for error recovery */ |
1509 | /* check whether the given fd is actually valid, for error recovery */ |
1006 | inline_size int |
1510 | inline_size int ecb_cold |
1007 | fd_valid (int fd) |
1511 | fd_valid (int fd) |
1008 | { |
1512 | { |
1009 | #ifdef _WIN32 |
1513 | #ifdef _WIN32 |
1010 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
1514 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
1011 | #else |
1515 | #else |
1012 | return fcntl (fd, F_GETFD) != -1; |
1516 | return fcntl (fd, F_GETFD) != -1; |
1013 | #endif |
1517 | #endif |
1014 | } |
1518 | } |
1015 | |
1519 | |
1016 | /* called on EBADF to verify fds */ |
1520 | /* called on EBADF to verify fds */ |
1017 | static void noinline |
1521 | static void noinline ecb_cold |
1018 | fd_ebadf (EV_P) |
1522 | fd_ebadf (EV_P) |
1019 | { |
1523 | { |
1020 | int fd; |
1524 | int fd; |
1021 | |
1525 | |
1022 | for (fd = 0; fd < anfdmax; ++fd) |
1526 | for (fd = 0; fd < anfdmax; ++fd) |
… | |
… | |
1024 | if (!fd_valid (fd) && errno == EBADF) |
1528 | if (!fd_valid (fd) && errno == EBADF) |
1025 | fd_kill (EV_A_ fd); |
1529 | fd_kill (EV_A_ fd); |
1026 | } |
1530 | } |
1027 | |
1531 | |
1028 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
1532 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
1029 | static void noinline |
1533 | static void noinline ecb_cold |
1030 | fd_enomem (EV_P) |
1534 | fd_enomem (EV_P) |
1031 | { |
1535 | { |
1032 | int fd; |
1536 | int fd; |
1033 | |
1537 | |
1034 | for (fd = anfdmax; fd--; ) |
1538 | for (fd = anfdmax; fd--; ) |
… | |
… | |
1229 | |
1733 | |
1230 | /*****************************************************************************/ |
1734 | /*****************************************************************************/ |
1231 | |
1735 | |
1232 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1736 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1233 | |
1737 | |
1234 | static void noinline |
1738 | static void noinline ecb_cold |
1235 | evpipe_init (EV_P) |
1739 | evpipe_init (EV_P) |
1236 | { |
1740 | { |
1237 | if (!ev_is_active (&pipe_w)) |
1741 | if (!ev_is_active (&pipe_w)) |
1238 | { |
1742 | { |
1239 | # if EV_USE_EVENTFD |
1743 | # if EV_USE_EVENTFD |
… | |
… | |
1261 | ev_io_start (EV_A_ &pipe_w); |
1765 | ev_io_start (EV_A_ &pipe_w); |
1262 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
1766 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
1263 | } |
1767 | } |
1264 | } |
1768 | } |
1265 | |
1769 | |
1266 | inline_size void |
1770 | inline_speed void |
1267 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1771 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1268 | { |
1772 | { |
1269 | if (!*flag) |
1773 | if (expect_true (*flag)) |
|
|
1774 | return; |
|
|
1775 | |
|
|
1776 | *flag = 1; |
|
|
1777 | |
|
|
1778 | ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ |
|
|
1779 | |
|
|
1780 | pipe_write_skipped = 1; |
|
|
1781 | |
|
|
1782 | ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */ |
|
|
1783 | |
|
|
1784 | if (pipe_write_wanted) |
1270 | { |
1785 | { |
|
|
1786 | int old_errno; |
|
|
1787 | |
|
|
1788 | pipe_write_skipped = 0; /* just an optimisation, no fence needed */ |
|
|
1789 | |
1271 | int old_errno = errno; /* save errno because write might clobber it */ |
1790 | old_errno = errno; /* save errno because write will clobber it */ |
1272 | char dummy; |
|
|
1273 | |
|
|
1274 | *flag = 1; |
|
|
1275 | |
1791 | |
1276 | #if EV_USE_EVENTFD |
1792 | #if EV_USE_EVENTFD |
1277 | if (evfd >= 0) |
1793 | if (evfd >= 0) |
1278 | { |
1794 | { |
1279 | uint64_t counter = 1; |
1795 | uint64_t counter = 1; |
1280 | write (evfd, &counter, sizeof (uint64_t)); |
1796 | write (evfd, &counter, sizeof (uint64_t)); |
1281 | } |
1797 | } |
1282 | else |
1798 | else |
1283 | #endif |
1799 | #endif |
|
|
1800 | { |
1284 | /* win32 people keep sending patches that change this write() to send() */ |
1801 | /* win32 people keep sending patches that change this write() to send() */ |
1285 | /* and then run away. but send() is wrong, it wants a socket handle on win32 */ |
1802 | /* and then run away. but send() is wrong, it wants a socket handle on win32 */ |
1286 | /* so when you think this write should be a send instead, please find out */ |
1803 | /* so when you think this write should be a send instead, please find out */ |
1287 | /* where your send() is from - it's definitely not the microsoft send, and */ |
1804 | /* where your send() is from - it's definitely not the microsoft send, and */ |
1288 | /* tell me. thank you. */ |
1805 | /* tell me. thank you. */ |
1289 | write (evpipe [1], &dummy, 1); |
1806 | write (evpipe [1], &(evpipe [1]), 1); |
|
|
1807 | } |
1290 | |
1808 | |
1291 | errno = old_errno; |
1809 | errno = old_errno; |
1292 | } |
1810 | } |
1293 | } |
1811 | } |
1294 | |
1812 | |
… | |
… | |
1297 | static void |
1815 | static void |
1298 | pipecb (EV_P_ ev_io *iow, int revents) |
1816 | pipecb (EV_P_ ev_io *iow, int revents) |
1299 | { |
1817 | { |
1300 | int i; |
1818 | int i; |
1301 | |
1819 | |
|
|
1820 | if (revents & EV_READ) |
|
|
1821 | { |
1302 | #if EV_USE_EVENTFD |
1822 | #if EV_USE_EVENTFD |
1303 | if (evfd >= 0) |
1823 | if (evfd >= 0) |
1304 | { |
1824 | { |
1305 | uint64_t counter; |
1825 | uint64_t counter; |
1306 | read (evfd, &counter, sizeof (uint64_t)); |
1826 | read (evfd, &counter, sizeof (uint64_t)); |
1307 | } |
1827 | } |
1308 | else |
1828 | else |
1309 | #endif |
1829 | #endif |
1310 | { |
1830 | { |
1311 | char dummy; |
1831 | char dummy; |
1312 | /* see discussion in evpipe_write when you think this read should be recv in win32 */ |
1832 | /* see discussion in evpipe_write when you think this read should be recv in win32 */ |
1313 | read (evpipe [0], &dummy, 1); |
1833 | read (evpipe [0], &dummy, 1); |
|
|
1834 | } |
1314 | } |
1835 | } |
1315 | |
1836 | |
|
|
1837 | pipe_write_skipped = 0; |
|
|
1838 | |
|
|
1839 | #if EV_SIGNAL_ENABLE |
1316 | if (sig_pending) |
1840 | if (sig_pending) |
1317 | { |
1841 | { |
1318 | sig_pending = 0; |
1842 | sig_pending = 0; |
1319 | |
1843 | |
1320 | for (i = EV_NSIG - 1; i--; ) |
1844 | for (i = EV_NSIG - 1; i--; ) |
1321 | if (expect_false (signals [i].pending)) |
1845 | if (expect_false (signals [i].pending)) |
1322 | ev_feed_signal_event (EV_A_ i + 1); |
1846 | ev_feed_signal_event (EV_A_ i + 1); |
1323 | } |
1847 | } |
|
|
1848 | #endif |
1324 | |
1849 | |
1325 | #if EV_ASYNC_ENABLE |
1850 | #if EV_ASYNC_ENABLE |
1326 | if (async_pending) |
1851 | if (async_pending) |
1327 | { |
1852 | { |
1328 | async_pending = 0; |
1853 | async_pending = 0; |
… | |
… | |
1337 | #endif |
1862 | #endif |
1338 | } |
1863 | } |
1339 | |
1864 | |
1340 | /*****************************************************************************/ |
1865 | /*****************************************************************************/ |
1341 | |
1866 | |
|
|
1867 | void |
|
|
1868 | ev_feed_signal (int signum) |
|
|
1869 | { |
|
|
1870 | #if EV_MULTIPLICITY |
|
|
1871 | EV_P = signals [signum - 1].loop; |
|
|
1872 | |
|
|
1873 | if (!EV_A) |
|
|
1874 | return; |
|
|
1875 | #endif |
|
|
1876 | |
|
|
1877 | if (!ev_active (&pipe_w)) |
|
|
1878 | return; |
|
|
1879 | |
|
|
1880 | signals [signum - 1].pending = 1; |
|
|
1881 | evpipe_write (EV_A_ &sig_pending); |
|
|
1882 | } |
|
|
1883 | |
1342 | static void |
1884 | static void |
1343 | ev_sighandler (int signum) |
1885 | ev_sighandler (int signum) |
1344 | { |
1886 | { |
1345 | #if EV_MULTIPLICITY |
|
|
1346 | EV_P = signals [signum - 1].loop; |
|
|
1347 | #endif |
|
|
1348 | |
|
|
1349 | #ifdef _WIN32 |
1887 | #ifdef _WIN32 |
1350 | signal (signum, ev_sighandler); |
1888 | signal (signum, ev_sighandler); |
1351 | #endif |
1889 | #endif |
1352 | |
1890 | |
1353 | signals [signum - 1].pending = 1; |
1891 | ev_feed_signal (signum); |
1354 | evpipe_write (EV_A_ &sig_pending); |
|
|
1355 | } |
1892 | } |
1356 | |
1893 | |
1357 | void noinline |
1894 | void noinline |
1358 | ev_feed_signal_event (EV_P_ int signum) |
1895 | ev_feed_signal_event (EV_P_ int signum) |
1359 | { |
1896 | { |
… | |
… | |
1459 | |
1996 | |
1460 | #endif |
1997 | #endif |
1461 | |
1998 | |
1462 | /*****************************************************************************/ |
1999 | /*****************************************************************************/ |
1463 | |
2000 | |
|
|
2001 | #if EV_USE_IOCP |
|
|
2002 | # include "ev_iocp.c" |
|
|
2003 | #endif |
1464 | #if EV_USE_PORT |
2004 | #if EV_USE_PORT |
1465 | # include "ev_port.c" |
2005 | # include "ev_port.c" |
1466 | #endif |
2006 | #endif |
1467 | #if EV_USE_KQUEUE |
2007 | #if EV_USE_KQUEUE |
1468 | # include "ev_kqueue.c" |
2008 | # include "ev_kqueue.c" |
… | |
… | |
1475 | #endif |
2015 | #endif |
1476 | #if EV_USE_SELECT |
2016 | #if EV_USE_SELECT |
1477 | # include "ev_select.c" |
2017 | # include "ev_select.c" |
1478 | #endif |
2018 | #endif |
1479 | |
2019 | |
1480 | int |
2020 | int ecb_cold |
1481 | ev_version_major (void) |
2021 | ev_version_major (void) |
1482 | { |
2022 | { |
1483 | return EV_VERSION_MAJOR; |
2023 | return EV_VERSION_MAJOR; |
1484 | } |
2024 | } |
1485 | |
2025 | |
1486 | int |
2026 | int ecb_cold |
1487 | ev_version_minor (void) |
2027 | ev_version_minor (void) |
1488 | { |
2028 | { |
1489 | return EV_VERSION_MINOR; |
2029 | return EV_VERSION_MINOR; |
1490 | } |
2030 | } |
1491 | |
2031 | |
1492 | /* return true if we are running with elevated privileges and should ignore env variables */ |
2032 | /* return true if we are running with elevated privileges and should ignore env variables */ |
1493 | int inline_size |
2033 | int inline_size ecb_cold |
1494 | enable_secure (void) |
2034 | enable_secure (void) |
1495 | { |
2035 | { |
1496 | #ifdef _WIN32 |
2036 | #ifdef _WIN32 |
1497 | return 0; |
2037 | return 0; |
1498 | #else |
2038 | #else |
1499 | return getuid () != geteuid () |
2039 | return getuid () != geteuid () |
1500 | || getgid () != getegid (); |
2040 | || getgid () != getegid (); |
1501 | #endif |
2041 | #endif |
1502 | } |
2042 | } |
1503 | |
2043 | |
1504 | unsigned int |
2044 | unsigned int ecb_cold |
1505 | ev_supported_backends (void) |
2045 | ev_supported_backends (void) |
1506 | { |
2046 | { |
1507 | unsigned int flags = 0; |
2047 | unsigned int flags = 0; |
1508 | |
2048 | |
1509 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2049 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
… | |
… | |
1513 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
2053 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
1514 | |
2054 | |
1515 | return flags; |
2055 | return flags; |
1516 | } |
2056 | } |
1517 | |
2057 | |
1518 | unsigned int |
2058 | unsigned int ecb_cold |
1519 | ev_recommended_backends (void) |
2059 | ev_recommended_backends (void) |
1520 | { |
2060 | { |
1521 | unsigned int flags = ev_supported_backends (); |
2061 | unsigned int flags = ev_supported_backends (); |
1522 | |
2062 | |
1523 | #ifndef __NetBSD__ |
2063 | #ifndef __NetBSD__ |
… | |
… | |
1535 | #endif |
2075 | #endif |
1536 | |
2076 | |
1537 | return flags; |
2077 | return flags; |
1538 | } |
2078 | } |
1539 | |
2079 | |
1540 | unsigned int |
2080 | unsigned int ecb_cold |
1541 | ev_embeddable_backends (void) |
2081 | ev_embeddable_backends (void) |
1542 | { |
2082 | { |
1543 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
2083 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
1544 | |
2084 | |
1545 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2085 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
1546 | /* please fix it and tell me how to detect the fix */ |
2086 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
1547 | flags &= ~EVBACKEND_EPOLL; |
2087 | flags &= ~EVBACKEND_EPOLL; |
1548 | |
2088 | |
1549 | return flags; |
2089 | return flags; |
1550 | } |
2090 | } |
1551 | |
2091 | |
1552 | unsigned int |
2092 | unsigned int |
… | |
… | |
1590 | ev_userdata (EV_P) |
2130 | ev_userdata (EV_P) |
1591 | { |
2131 | { |
1592 | return userdata; |
2132 | return userdata; |
1593 | } |
2133 | } |
1594 | |
2134 | |
|
|
2135 | void |
1595 | void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) |
2136 | ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) |
1596 | { |
2137 | { |
1597 | invoke_cb = invoke_pending_cb; |
2138 | invoke_cb = invoke_pending_cb; |
1598 | } |
2139 | } |
1599 | |
2140 | |
|
|
2141 | void |
1600 | void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) |
2142 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) |
1601 | { |
2143 | { |
1602 | release_cb = release; |
2144 | release_cb = release; |
1603 | acquire_cb = acquire; |
2145 | acquire_cb = acquire; |
1604 | } |
2146 | } |
1605 | #endif |
2147 | #endif |
1606 | |
2148 | |
1607 | /* initialise a loop structure, must be zero-initialised */ |
2149 | /* initialise a loop structure, must be zero-initialised */ |
1608 | static void noinline |
2150 | static void noinline ecb_cold |
1609 | loop_init (EV_P_ unsigned int flags) |
2151 | loop_init (EV_P_ unsigned int flags) |
1610 | { |
2152 | { |
1611 | if (!backend) |
2153 | if (!backend) |
1612 | { |
2154 | { |
|
|
2155 | origflags = flags; |
|
|
2156 | |
1613 | #if EV_USE_REALTIME |
2157 | #if EV_USE_REALTIME |
1614 | if (!have_realtime) |
2158 | if (!have_realtime) |
1615 | { |
2159 | { |
1616 | struct timespec ts; |
2160 | struct timespec ts; |
1617 | |
2161 | |
… | |
… | |
1639 | if (!(flags & EVFLAG_NOENV) |
2183 | if (!(flags & EVFLAG_NOENV) |
1640 | && !enable_secure () |
2184 | && !enable_secure () |
1641 | && getenv ("LIBEV_FLAGS")) |
2185 | && getenv ("LIBEV_FLAGS")) |
1642 | flags = atoi (getenv ("LIBEV_FLAGS")); |
2186 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1643 | |
2187 | |
1644 | ev_rt_now = ev_time (); |
2188 | ev_rt_now = ev_time (); |
1645 | mn_now = get_clock (); |
2189 | mn_now = get_clock (); |
1646 | now_floor = mn_now; |
2190 | now_floor = mn_now; |
1647 | rtmn_diff = ev_rt_now - mn_now; |
2191 | rtmn_diff = ev_rt_now - mn_now; |
1648 | #if EV_FEATURE_API |
2192 | #if EV_FEATURE_API |
1649 | invoke_cb = ev_invoke_pending; |
2193 | invoke_cb = ev_invoke_pending; |
1650 | #endif |
2194 | #endif |
1651 | |
2195 | |
1652 | io_blocktime = 0.; |
2196 | io_blocktime = 0.; |
1653 | timeout_blocktime = 0.; |
2197 | timeout_blocktime = 0.; |
1654 | backend = 0; |
2198 | backend = 0; |
1655 | backend_fd = -1; |
2199 | backend_fd = -1; |
1656 | sig_pending = 0; |
2200 | sig_pending = 0; |
1657 | #if EV_ASYNC_ENABLE |
2201 | #if EV_ASYNC_ENABLE |
1658 | async_pending = 0; |
2202 | async_pending = 0; |
1659 | #endif |
2203 | #endif |
|
|
2204 | pipe_write_skipped = 0; |
|
|
2205 | pipe_write_wanted = 0; |
1660 | #if EV_USE_INOTIFY |
2206 | #if EV_USE_INOTIFY |
1661 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
2207 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
1662 | #endif |
2208 | #endif |
1663 | #if EV_USE_SIGNALFD |
2209 | #if EV_USE_SIGNALFD |
1664 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
2210 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
1665 | #endif |
2211 | #endif |
1666 | |
2212 | |
1667 | if (!(flags & 0x0000ffffU)) |
2213 | if (!(flags & EVBACKEND_MASK)) |
1668 | flags |= ev_recommended_backends (); |
2214 | flags |= ev_recommended_backends (); |
1669 | |
2215 | |
|
|
2216 | #if EV_USE_IOCP |
|
|
2217 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
|
|
2218 | #endif |
1670 | #if EV_USE_PORT |
2219 | #if EV_USE_PORT |
1671 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
2220 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1672 | #endif |
2221 | #endif |
1673 | #if EV_USE_KQUEUE |
2222 | #if EV_USE_KQUEUE |
1674 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
2223 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
… | |
… | |
1691 | #endif |
2240 | #endif |
1692 | } |
2241 | } |
1693 | } |
2242 | } |
1694 | |
2243 | |
1695 | /* free up a loop structure */ |
2244 | /* free up a loop structure */ |
1696 | static void noinline |
2245 | void ecb_cold |
1697 | loop_destroy (EV_P) |
2246 | ev_loop_destroy (EV_P) |
1698 | { |
2247 | { |
1699 | int i; |
2248 | int i; |
|
|
2249 | |
|
|
2250 | #if EV_MULTIPLICITY |
|
|
2251 | /* mimic free (0) */ |
|
|
2252 | if (!EV_A) |
|
|
2253 | return; |
|
|
2254 | #endif |
|
|
2255 | |
|
|
2256 | #if EV_CLEANUP_ENABLE |
|
|
2257 | /* queue cleanup watchers (and execute them) */ |
|
|
2258 | if (expect_false (cleanupcnt)) |
|
|
2259 | { |
|
|
2260 | queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP); |
|
|
2261 | EV_INVOKE_PENDING; |
|
|
2262 | } |
|
|
2263 | #endif |
|
|
2264 | |
|
|
2265 | #if EV_CHILD_ENABLE |
|
|
2266 | if (ev_is_active (&childev)) |
|
|
2267 | { |
|
|
2268 | ev_ref (EV_A); /* child watcher */ |
|
|
2269 | ev_signal_stop (EV_A_ &childev); |
|
|
2270 | } |
|
|
2271 | #endif |
1700 | |
2272 | |
1701 | if (ev_is_active (&pipe_w)) |
2273 | if (ev_is_active (&pipe_w)) |
1702 | { |
2274 | { |
1703 | /*ev_ref (EV_A);*/ |
2275 | /*ev_ref (EV_A);*/ |
1704 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
2276 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
… | |
… | |
1726 | #endif |
2298 | #endif |
1727 | |
2299 | |
1728 | if (backend_fd >= 0) |
2300 | if (backend_fd >= 0) |
1729 | close (backend_fd); |
2301 | close (backend_fd); |
1730 | |
2302 | |
|
|
2303 | #if EV_USE_IOCP |
|
|
2304 | if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); |
|
|
2305 | #endif |
1731 | #if EV_USE_PORT |
2306 | #if EV_USE_PORT |
1732 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
2307 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
1733 | #endif |
2308 | #endif |
1734 | #if EV_USE_KQUEUE |
2309 | #if EV_USE_KQUEUE |
1735 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
2310 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
… | |
… | |
1762 | array_free (periodic, EMPTY); |
2337 | array_free (periodic, EMPTY); |
1763 | #endif |
2338 | #endif |
1764 | #if EV_FORK_ENABLE |
2339 | #if EV_FORK_ENABLE |
1765 | array_free (fork, EMPTY); |
2340 | array_free (fork, EMPTY); |
1766 | #endif |
2341 | #endif |
|
|
2342 | #if EV_CLEANUP_ENABLE |
|
|
2343 | array_free (cleanup, EMPTY); |
|
|
2344 | #endif |
1767 | array_free (prepare, EMPTY); |
2345 | array_free (prepare, EMPTY); |
1768 | array_free (check, EMPTY); |
2346 | array_free (check, EMPTY); |
1769 | #if EV_ASYNC_ENABLE |
2347 | #if EV_ASYNC_ENABLE |
1770 | array_free (async, EMPTY); |
2348 | array_free (async, EMPTY); |
1771 | #endif |
2349 | #endif |
1772 | |
2350 | |
1773 | backend = 0; |
2351 | backend = 0; |
|
|
2352 | |
|
|
2353 | #if EV_MULTIPLICITY |
|
|
2354 | if (ev_is_default_loop (EV_A)) |
|
|
2355 | #endif |
|
|
2356 | ev_default_loop_ptr = 0; |
|
|
2357 | #if EV_MULTIPLICITY |
|
|
2358 | else |
|
|
2359 | ev_free (EV_A); |
|
|
2360 | #endif |
1774 | } |
2361 | } |
1775 | |
2362 | |
1776 | #if EV_USE_INOTIFY |
2363 | #if EV_USE_INOTIFY |
1777 | inline_size void infy_fork (EV_P); |
2364 | inline_size void infy_fork (EV_P); |
1778 | #endif |
2365 | #endif |
… | |
… | |
1793 | infy_fork (EV_A); |
2380 | infy_fork (EV_A); |
1794 | #endif |
2381 | #endif |
1795 | |
2382 | |
1796 | if (ev_is_active (&pipe_w)) |
2383 | if (ev_is_active (&pipe_w)) |
1797 | { |
2384 | { |
1798 | /* this "locks" the handlers against writing to the pipe */ |
2385 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
1799 | /* while we modify the fd vars */ |
|
|
1800 | sig_pending = 1; |
|
|
1801 | #if EV_ASYNC_ENABLE |
|
|
1802 | async_pending = 1; |
|
|
1803 | #endif |
|
|
1804 | |
2386 | |
1805 | ev_ref (EV_A); |
2387 | ev_ref (EV_A); |
1806 | ev_io_stop (EV_A_ &pipe_w); |
2388 | ev_io_stop (EV_A_ &pipe_w); |
1807 | |
2389 | |
1808 | #if EV_USE_EVENTFD |
2390 | #if EV_USE_EVENTFD |
… | |
… | |
1826 | postfork = 0; |
2408 | postfork = 0; |
1827 | } |
2409 | } |
1828 | |
2410 | |
1829 | #if EV_MULTIPLICITY |
2411 | #if EV_MULTIPLICITY |
1830 | |
2412 | |
1831 | struct ev_loop * |
2413 | struct ev_loop * ecb_cold |
1832 | ev_loop_new (unsigned int flags) |
2414 | ev_loop_new (unsigned int flags) |
1833 | { |
2415 | { |
1834 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
2416 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1835 | |
2417 | |
1836 | memset (EV_A, 0, sizeof (struct ev_loop)); |
2418 | memset (EV_A, 0, sizeof (struct ev_loop)); |
1837 | loop_init (EV_A_ flags); |
2419 | loop_init (EV_A_ flags); |
1838 | |
2420 | |
1839 | if (ev_backend (EV_A)) |
2421 | if (ev_backend (EV_A)) |
1840 | return EV_A; |
2422 | return EV_A; |
1841 | |
2423 | |
|
|
2424 | ev_free (EV_A); |
1842 | return 0; |
2425 | return 0; |
1843 | } |
2426 | } |
1844 | |
2427 | |
1845 | void |
|
|
1846 | ev_loop_destroy (EV_P) |
|
|
1847 | { |
|
|
1848 | loop_destroy (EV_A); |
|
|
1849 | ev_free (loop); |
|
|
1850 | } |
|
|
1851 | |
|
|
1852 | void |
|
|
1853 | ev_loop_fork (EV_P) |
|
|
1854 | { |
|
|
1855 | postfork = 1; /* must be in line with ev_default_fork */ |
|
|
1856 | } |
|
|
1857 | #endif /* multiplicity */ |
2428 | #endif /* multiplicity */ |
1858 | |
2429 | |
1859 | #if EV_VERIFY |
2430 | #if EV_VERIFY |
1860 | static void noinline |
2431 | static void noinline ecb_cold |
1861 | verify_watcher (EV_P_ W w) |
2432 | verify_watcher (EV_P_ W w) |
1862 | { |
2433 | { |
1863 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
2434 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
1864 | |
2435 | |
1865 | if (w->pending) |
2436 | if (w->pending) |
1866 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
2437 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
1867 | } |
2438 | } |
1868 | |
2439 | |
1869 | static void noinline |
2440 | static void noinline ecb_cold |
1870 | verify_heap (EV_P_ ANHE *heap, int N) |
2441 | verify_heap (EV_P_ ANHE *heap, int N) |
1871 | { |
2442 | { |
1872 | int i; |
2443 | int i; |
1873 | |
2444 | |
1874 | for (i = HEAP0; i < N + HEAP0; ++i) |
2445 | for (i = HEAP0; i < N + HEAP0; ++i) |
… | |
… | |
1879 | |
2450 | |
1880 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
2451 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
1881 | } |
2452 | } |
1882 | } |
2453 | } |
1883 | |
2454 | |
1884 | static void noinline |
2455 | static void noinline ecb_cold |
1885 | array_verify (EV_P_ W *ws, int cnt) |
2456 | array_verify (EV_P_ W *ws, int cnt) |
1886 | { |
2457 | { |
1887 | while (cnt--) |
2458 | while (cnt--) |
1888 | { |
2459 | { |
1889 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
2460 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
… | |
… | |
1891 | } |
2462 | } |
1892 | } |
2463 | } |
1893 | #endif |
2464 | #endif |
1894 | |
2465 | |
1895 | #if EV_FEATURE_API |
2466 | #if EV_FEATURE_API |
1896 | void |
2467 | void ecb_cold |
1897 | ev_verify (EV_P) |
2468 | ev_verify (EV_P) |
1898 | { |
2469 | { |
1899 | #if EV_VERIFY |
2470 | #if EV_VERIFY |
1900 | int i; |
2471 | int i; |
1901 | WL w; |
2472 | WL w; |
… | |
… | |
1936 | #if EV_FORK_ENABLE |
2507 | #if EV_FORK_ENABLE |
1937 | assert (forkmax >= forkcnt); |
2508 | assert (forkmax >= forkcnt); |
1938 | array_verify (EV_A_ (W *)forks, forkcnt); |
2509 | array_verify (EV_A_ (W *)forks, forkcnt); |
1939 | #endif |
2510 | #endif |
1940 | |
2511 | |
|
|
2512 | #if EV_CLEANUP_ENABLE |
|
|
2513 | assert (cleanupmax >= cleanupcnt); |
|
|
2514 | array_verify (EV_A_ (W *)cleanups, cleanupcnt); |
|
|
2515 | #endif |
|
|
2516 | |
1941 | #if EV_ASYNC_ENABLE |
2517 | #if EV_ASYNC_ENABLE |
1942 | assert (asyncmax >= asynccnt); |
2518 | assert (asyncmax >= asynccnt); |
1943 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
2519 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
1944 | #endif |
2520 | #endif |
1945 | |
2521 | |
… | |
… | |
1962 | #endif |
2538 | #endif |
1963 | } |
2539 | } |
1964 | #endif |
2540 | #endif |
1965 | |
2541 | |
1966 | #if EV_MULTIPLICITY |
2542 | #if EV_MULTIPLICITY |
1967 | struct ev_loop * |
2543 | struct ev_loop * ecb_cold |
1968 | ev_default_loop_init (unsigned int flags) |
|
|
1969 | #else |
2544 | #else |
1970 | int |
2545 | int |
|
|
2546 | #endif |
1971 | ev_default_loop (unsigned int flags) |
2547 | ev_default_loop (unsigned int flags) |
1972 | #endif |
|
|
1973 | { |
2548 | { |
1974 | if (!ev_default_loop_ptr) |
2549 | if (!ev_default_loop_ptr) |
1975 | { |
2550 | { |
1976 | #if EV_MULTIPLICITY |
2551 | #if EV_MULTIPLICITY |
1977 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
2552 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
… | |
… | |
1996 | |
2571 | |
1997 | return ev_default_loop_ptr; |
2572 | return ev_default_loop_ptr; |
1998 | } |
2573 | } |
1999 | |
2574 | |
2000 | void |
2575 | void |
2001 | ev_default_destroy (void) |
2576 | ev_loop_fork (EV_P) |
2002 | { |
2577 | { |
2003 | #if EV_MULTIPLICITY |
|
|
2004 | EV_P = ev_default_loop_ptr; |
|
|
2005 | #endif |
|
|
2006 | |
|
|
2007 | ev_default_loop_ptr = 0; |
|
|
2008 | |
|
|
2009 | #if EV_CHILD_ENABLE |
|
|
2010 | ev_ref (EV_A); /* child watcher */ |
|
|
2011 | ev_signal_stop (EV_A_ &childev); |
|
|
2012 | #endif |
|
|
2013 | |
|
|
2014 | loop_destroy (EV_A); |
|
|
2015 | } |
|
|
2016 | |
|
|
2017 | void |
|
|
2018 | ev_default_fork (void) |
|
|
2019 | { |
|
|
2020 | #if EV_MULTIPLICITY |
|
|
2021 | EV_P = ev_default_loop_ptr; |
|
|
2022 | #endif |
|
|
2023 | |
|
|
2024 | postfork = 1; /* must be in line with ev_loop_fork */ |
2578 | postfork = 1; /* must be in line with ev_default_fork */ |
2025 | } |
2579 | } |
2026 | |
2580 | |
2027 | /*****************************************************************************/ |
2581 | /*****************************************************************************/ |
2028 | |
2582 | |
2029 | void |
2583 | void |
… | |
… | |
2051 | |
2605 | |
2052 | for (pri = NUMPRI; pri--; ) |
2606 | for (pri = NUMPRI; pri--; ) |
2053 | while (pendingcnt [pri]) |
2607 | while (pendingcnt [pri]) |
2054 | { |
2608 | { |
2055 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
2609 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
2056 | |
|
|
2057 | /*assert (("libev: non-pending watcher on pending list", p->w->pending));*/ |
|
|
2058 | /* ^ this is no longer true, as pending_w could be here */ |
|
|
2059 | |
2610 | |
2060 | p->w->pending = 0; |
2611 | p->w->pending = 0; |
2061 | EV_CB_INVOKE (p->w, p->events); |
2612 | EV_CB_INVOKE (p->w, p->events); |
2062 | EV_FREQUENT_CHECK; |
2613 | EV_FREQUENT_CHECK; |
2063 | } |
2614 | } |
… | |
… | |
2125 | feed_reverse_done (EV_A_ EV_TIMER); |
2676 | feed_reverse_done (EV_A_ EV_TIMER); |
2126 | } |
2677 | } |
2127 | } |
2678 | } |
2128 | |
2679 | |
2129 | #if EV_PERIODIC_ENABLE |
2680 | #if EV_PERIODIC_ENABLE |
|
|
2681 | |
|
|
2682 | static void noinline |
|
|
2683 | periodic_recalc (EV_P_ ev_periodic *w) |
|
|
2684 | { |
|
|
2685 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
|
|
2686 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
|
|
2687 | |
|
|
2688 | /* the above almost always errs on the low side */ |
|
|
2689 | while (at <= ev_rt_now) |
|
|
2690 | { |
|
|
2691 | ev_tstamp nat = at + w->interval; |
|
|
2692 | |
|
|
2693 | /* when resolution fails us, we use ev_rt_now */ |
|
|
2694 | if (expect_false (nat == at)) |
|
|
2695 | { |
|
|
2696 | at = ev_rt_now; |
|
|
2697 | break; |
|
|
2698 | } |
|
|
2699 | |
|
|
2700 | at = nat; |
|
|
2701 | } |
|
|
2702 | |
|
|
2703 | ev_at (w) = at; |
|
|
2704 | } |
|
|
2705 | |
2130 | /* make periodics pending */ |
2706 | /* make periodics pending */ |
2131 | inline_size void |
2707 | inline_size void |
2132 | periodics_reify (EV_P) |
2708 | periodics_reify (EV_P) |
2133 | { |
2709 | { |
2134 | EV_FREQUENT_CHECK; |
2710 | EV_FREQUENT_CHECK; |
… | |
… | |
2153 | ANHE_at_cache (periodics [HEAP0]); |
2729 | ANHE_at_cache (periodics [HEAP0]); |
2154 | downheap (periodics, periodiccnt, HEAP0); |
2730 | downheap (periodics, periodiccnt, HEAP0); |
2155 | } |
2731 | } |
2156 | else if (w->interval) |
2732 | else if (w->interval) |
2157 | { |
2733 | { |
2158 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
2734 | periodic_recalc (EV_A_ w); |
2159 | /* if next trigger time is not sufficiently in the future, put it there */ |
|
|
2160 | /* this might happen because of floating point inexactness */ |
|
|
2161 | if (ev_at (w) - ev_rt_now < TIME_EPSILON) |
|
|
2162 | { |
|
|
2163 | ev_at (w) += w->interval; |
|
|
2164 | |
|
|
2165 | /* if interval is unreasonably low we might still have a time in the past */ |
|
|
2166 | /* so correct this. this will make the periodic very inexact, but the user */ |
|
|
2167 | /* has effectively asked to get triggered more often than possible */ |
|
|
2168 | if (ev_at (w) < ev_rt_now) |
|
|
2169 | ev_at (w) = ev_rt_now; |
|
|
2170 | } |
|
|
2171 | |
|
|
2172 | ANHE_at_cache (periodics [HEAP0]); |
2735 | ANHE_at_cache (periodics [HEAP0]); |
2173 | downheap (periodics, periodiccnt, HEAP0); |
2736 | downheap (periodics, periodiccnt, HEAP0); |
2174 | } |
2737 | } |
2175 | else |
2738 | else |
2176 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
2739 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
… | |
… | |
2184 | } |
2747 | } |
2185 | } |
2748 | } |
2186 | |
2749 | |
2187 | /* simply recalculate all periodics */ |
2750 | /* simply recalculate all periodics */ |
2188 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
2751 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
2189 | static void noinline |
2752 | static void noinline ecb_cold |
2190 | periodics_reschedule (EV_P) |
2753 | periodics_reschedule (EV_P) |
2191 | { |
2754 | { |
2192 | int i; |
2755 | int i; |
2193 | |
2756 | |
2194 | /* adjust periodics after time jump */ |
2757 | /* adjust periodics after time jump */ |
… | |
… | |
2197 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]); |
2760 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]); |
2198 | |
2761 | |
2199 | if (w->reschedule_cb) |
2762 | if (w->reschedule_cb) |
2200 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2763 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2201 | else if (w->interval) |
2764 | else if (w->interval) |
2202 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
2765 | periodic_recalc (EV_A_ w); |
2203 | |
2766 | |
2204 | ANHE_at_cache (periodics [i]); |
2767 | ANHE_at_cache (periodics [i]); |
2205 | } |
2768 | } |
2206 | |
2769 | |
2207 | reheap (periodics, periodiccnt); |
2770 | reheap (periodics, periodiccnt); |
2208 | } |
2771 | } |
2209 | #endif |
2772 | #endif |
2210 | |
2773 | |
2211 | /* adjust all timers by a given offset */ |
2774 | /* adjust all timers by a given offset */ |
2212 | static void noinline |
2775 | static void noinline ecb_cold |
2213 | timers_reschedule (EV_P_ ev_tstamp adjust) |
2776 | timers_reschedule (EV_P_ ev_tstamp adjust) |
2214 | { |
2777 | { |
2215 | int i; |
2778 | int i; |
2216 | |
2779 | |
2217 | for (i = 0; i < timercnt; ++i) |
2780 | for (i = 0; i < timercnt; ++i) |
… | |
… | |
2254 | * doesn't hurt either as we only do this on time-jumps or |
2817 | * doesn't hurt either as we only do this on time-jumps or |
2255 | * in the unlikely event of having been preempted here. |
2818 | * in the unlikely event of having been preempted here. |
2256 | */ |
2819 | */ |
2257 | for (i = 4; --i; ) |
2820 | for (i = 4; --i; ) |
2258 | { |
2821 | { |
|
|
2822 | ev_tstamp diff; |
2259 | rtmn_diff = ev_rt_now - mn_now; |
2823 | rtmn_diff = ev_rt_now - mn_now; |
2260 | |
2824 | |
|
|
2825 | diff = odiff - rtmn_diff; |
|
|
2826 | |
2261 | if (expect_true (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)) |
2827 | if (expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP)) |
2262 | return; /* all is well */ |
2828 | return; /* all is well */ |
2263 | |
2829 | |
2264 | ev_rt_now = ev_time (); |
2830 | ev_rt_now = ev_time (); |
2265 | mn_now = get_clock (); |
2831 | mn_now = get_clock (); |
2266 | now_floor = mn_now; |
2832 | now_floor = mn_now; |
… | |
… | |
2289 | mn_now = ev_rt_now; |
2855 | mn_now = ev_rt_now; |
2290 | } |
2856 | } |
2291 | } |
2857 | } |
2292 | |
2858 | |
2293 | void |
2859 | void |
2294 | ev_loop (EV_P_ int flags) |
2860 | ev_run (EV_P_ int flags) |
2295 | { |
2861 | { |
2296 | #if EV_FEATURE_API |
2862 | #if EV_FEATURE_API |
2297 | ++loop_depth; |
2863 | ++loop_depth; |
2298 | #endif |
2864 | #endif |
2299 | |
2865 | |
2300 | assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE)); |
2866 | assert (("libev: ev_loop recursion during release detected", loop_done != EVBREAK_RECURSE)); |
2301 | |
2867 | |
2302 | loop_done = EVUNLOOP_CANCEL; |
2868 | loop_done = EVBREAK_CANCEL; |
2303 | |
2869 | |
2304 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
2870 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
2305 | |
2871 | |
2306 | do |
2872 | do |
2307 | { |
2873 | { |
… | |
… | |
2350 | /* calculate blocking time */ |
2916 | /* calculate blocking time */ |
2351 | { |
2917 | { |
2352 | ev_tstamp waittime = 0.; |
2918 | ev_tstamp waittime = 0.; |
2353 | ev_tstamp sleeptime = 0.; |
2919 | ev_tstamp sleeptime = 0.; |
2354 | |
2920 | |
|
|
2921 | /* remember old timestamp for io_blocktime calculation */ |
|
|
2922 | ev_tstamp prev_mn_now = mn_now; |
|
|
2923 | |
|
|
2924 | /* update time to cancel out callback processing overhead */ |
|
|
2925 | time_update (EV_A_ 1e100); |
|
|
2926 | |
|
|
2927 | /* from now on, we want a pipe-wake-up */ |
|
|
2928 | pipe_write_wanted = 1; |
|
|
2929 | |
|
|
2930 | ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */ |
|
|
2931 | |
2355 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
2932 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) |
2356 | { |
2933 | { |
2357 | /* remember old timestamp for io_blocktime calculation */ |
|
|
2358 | ev_tstamp prev_mn_now = mn_now; |
|
|
2359 | |
|
|
2360 | /* update time to cancel out callback processing overhead */ |
|
|
2361 | time_update (EV_A_ 1e100); |
|
|
2362 | |
|
|
2363 | waittime = MAX_BLOCKTIME; |
2934 | waittime = MAX_BLOCKTIME; |
2364 | |
2935 | |
2365 | if (timercnt) |
2936 | if (timercnt) |
2366 | { |
2937 | { |
2367 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
2938 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now; |
2368 | if (waittime > to) waittime = to; |
2939 | if (waittime > to) waittime = to; |
2369 | } |
2940 | } |
2370 | |
2941 | |
2371 | #if EV_PERIODIC_ENABLE |
2942 | #if EV_PERIODIC_ENABLE |
2372 | if (periodiccnt) |
2943 | if (periodiccnt) |
2373 | { |
2944 | { |
2374 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; |
2945 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now; |
2375 | if (waittime > to) waittime = to; |
2946 | if (waittime > to) waittime = to; |
2376 | } |
2947 | } |
2377 | #endif |
2948 | #endif |
2378 | |
2949 | |
2379 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
2950 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
2380 | if (expect_false (waittime < timeout_blocktime)) |
2951 | if (expect_false (waittime < timeout_blocktime)) |
2381 | waittime = timeout_blocktime; |
2952 | waittime = timeout_blocktime; |
|
|
2953 | |
|
|
2954 | /* at this point, we NEED to wait, so we have to ensure */ |
|
|
2955 | /* to pass a minimum nonzero value to the backend */ |
|
|
2956 | if (expect_false (waittime < backend_mintime)) |
|
|
2957 | waittime = backend_mintime; |
2382 | |
2958 | |
2383 | /* extra check because io_blocktime is commonly 0 */ |
2959 | /* extra check because io_blocktime is commonly 0 */ |
2384 | if (expect_false (io_blocktime)) |
2960 | if (expect_false (io_blocktime)) |
2385 | { |
2961 | { |
2386 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
2962 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
2387 | |
2963 | |
2388 | if (sleeptime > waittime - backend_fudge) |
2964 | if (sleeptime > waittime - backend_mintime) |
2389 | sleeptime = waittime - backend_fudge; |
2965 | sleeptime = waittime - backend_mintime; |
2390 | |
2966 | |
2391 | if (expect_true (sleeptime > 0.)) |
2967 | if (expect_true (sleeptime > 0.)) |
2392 | { |
2968 | { |
2393 | ev_sleep (sleeptime); |
2969 | ev_sleep (sleeptime); |
2394 | waittime -= sleeptime; |
2970 | waittime -= sleeptime; |
… | |
… | |
2397 | } |
2973 | } |
2398 | |
2974 | |
2399 | #if EV_FEATURE_API |
2975 | #if EV_FEATURE_API |
2400 | ++loop_count; |
2976 | ++loop_count; |
2401 | #endif |
2977 | #endif |
2402 | assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ |
2978 | assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ |
2403 | backend_poll (EV_A_ waittime); |
2979 | backend_poll (EV_A_ waittime); |
2404 | assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ |
2980 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
|
|
2981 | |
|
|
2982 | pipe_write_wanted = 0; /* just an optimsiation, no fence needed */ |
|
|
2983 | |
|
|
2984 | if (pipe_write_skipped) |
|
|
2985 | { |
|
|
2986 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
|
|
2987 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
|
|
2988 | } |
|
|
2989 | |
2405 | |
2990 | |
2406 | /* update ev_rt_now, do magic */ |
2991 | /* update ev_rt_now, do magic */ |
2407 | time_update (EV_A_ waittime + sleeptime); |
2992 | time_update (EV_A_ waittime + sleeptime); |
2408 | } |
2993 | } |
2409 | |
2994 | |
… | |
… | |
2427 | EV_INVOKE_PENDING; |
3012 | EV_INVOKE_PENDING; |
2428 | } |
3013 | } |
2429 | while (expect_true ( |
3014 | while (expect_true ( |
2430 | activecnt |
3015 | activecnt |
2431 | && !loop_done |
3016 | && !loop_done |
2432 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
3017 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
2433 | )); |
3018 | )); |
2434 | |
3019 | |
2435 | if (loop_done == EVUNLOOP_ONE) |
3020 | if (loop_done == EVBREAK_ONE) |
2436 | loop_done = EVUNLOOP_CANCEL; |
3021 | loop_done = EVBREAK_CANCEL; |
2437 | |
3022 | |
2438 | #if EV_FEATURE_API |
3023 | #if EV_FEATURE_API |
2439 | --loop_depth; |
3024 | --loop_depth; |
2440 | #endif |
3025 | #endif |
2441 | } |
3026 | } |
2442 | |
3027 | |
2443 | void |
3028 | void |
2444 | ev_unloop (EV_P_ int how) |
3029 | ev_break (EV_P_ int how) |
2445 | { |
3030 | { |
2446 | loop_done = how; |
3031 | loop_done = how; |
2447 | } |
3032 | } |
2448 | |
3033 | |
2449 | void |
3034 | void |
… | |
… | |
2597 | EV_FREQUENT_CHECK; |
3182 | EV_FREQUENT_CHECK; |
2598 | |
3183 | |
2599 | wlist_del (&anfds[w->fd].head, (WL)w); |
3184 | wlist_del (&anfds[w->fd].head, (WL)w); |
2600 | ev_stop (EV_A_ (W)w); |
3185 | ev_stop (EV_A_ (W)w); |
2601 | |
3186 | |
2602 | fd_change (EV_A_ w->fd, 1); |
3187 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
2603 | |
3188 | |
2604 | EV_FREQUENT_CHECK; |
3189 | EV_FREQUENT_CHECK; |
2605 | } |
3190 | } |
2606 | |
3191 | |
2607 | void noinline |
3192 | void noinline |
… | |
… | |
2699 | if (w->reschedule_cb) |
3284 | if (w->reschedule_cb) |
2700 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
3285 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2701 | else if (w->interval) |
3286 | else if (w->interval) |
2702 | { |
3287 | { |
2703 | assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.)); |
3288 | assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.)); |
2704 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
3289 | periodic_recalc (EV_A_ w); |
2705 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
2706 | } |
3290 | } |
2707 | else |
3291 | else |
2708 | ev_at (w) = w->offset; |
3292 | ev_at (w) = w->offset; |
2709 | |
3293 | |
2710 | EV_FREQUENT_CHECK; |
3294 | EV_FREQUENT_CHECK; |
… | |
… | |
2831 | sa.sa_handler = ev_sighandler; |
3415 | sa.sa_handler = ev_sighandler; |
2832 | sigfillset (&sa.sa_mask); |
3416 | sigfillset (&sa.sa_mask); |
2833 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
3417 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2834 | sigaction (w->signum, &sa, 0); |
3418 | sigaction (w->signum, &sa, 0); |
2835 | |
3419 | |
|
|
3420 | if (origflags & EVFLAG_NOSIGMASK) |
|
|
3421 | { |
2836 | sigemptyset (&sa.sa_mask); |
3422 | sigemptyset (&sa.sa_mask); |
2837 | sigaddset (&sa.sa_mask, w->signum); |
3423 | sigaddset (&sa.sa_mask, w->signum); |
2838 | sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0); |
3424 | sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0); |
|
|
3425 | } |
2839 | #endif |
3426 | #endif |
2840 | } |
3427 | } |
2841 | |
3428 | |
2842 | EV_FREQUENT_CHECK; |
3429 | EV_FREQUENT_CHECK; |
2843 | } |
3430 | } |
… | |
… | |
2984 | if (!pend || pend == path) |
3571 | if (!pend || pend == path) |
2985 | break; |
3572 | break; |
2986 | |
3573 | |
2987 | *pend = 0; |
3574 | *pend = 0; |
2988 | w->wd = inotify_add_watch (fs_fd, path, mask); |
3575 | w->wd = inotify_add_watch (fs_fd, path, mask); |
2989 | } |
3576 | } |
2990 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
3577 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2991 | } |
3578 | } |
2992 | } |
3579 | } |
2993 | |
3580 | |
2994 | if (w->wd >= 0) |
3581 | if (w->wd >= 0) |
… | |
… | |
3061 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
3648 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
3062 | ofs += sizeof (struct inotify_event) + ev->len; |
3649 | ofs += sizeof (struct inotify_event) + ev->len; |
3063 | } |
3650 | } |
3064 | } |
3651 | } |
3065 | |
3652 | |
3066 | inline_size unsigned int |
|
|
3067 | ev_linux_version (void) |
|
|
3068 | { |
|
|
3069 | struct utsname buf; |
|
|
3070 | unsigned int v; |
|
|
3071 | int i; |
|
|
3072 | char *p = buf.release; |
|
|
3073 | |
|
|
3074 | if (uname (&buf)) |
|
|
3075 | return 0; |
|
|
3076 | |
|
|
3077 | for (i = 3+1; --i; ) |
|
|
3078 | { |
|
|
3079 | unsigned int c = 0; |
|
|
3080 | |
|
|
3081 | for (;;) |
|
|
3082 | { |
|
|
3083 | if (*p >= '0' && *p <= '9') |
|
|
3084 | c = c * 10 + *p++ - '0'; |
|
|
3085 | else |
|
|
3086 | { |
|
|
3087 | p += *p == '.'; |
|
|
3088 | break; |
|
|
3089 | } |
|
|
3090 | } |
|
|
3091 | |
|
|
3092 | v = (v << 8) | c; |
|
|
3093 | } |
|
|
3094 | |
|
|
3095 | return v; |
|
|
3096 | } |
|
|
3097 | |
|
|
3098 | inline_size void |
3653 | inline_size void ecb_cold |
3099 | ev_check_2625 (EV_P) |
3654 | ev_check_2625 (EV_P) |
3100 | { |
3655 | { |
3101 | /* kernels < 2.6.25 are borked |
3656 | /* kernels < 2.6.25 are borked |
3102 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
3657 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
3103 | */ |
3658 | */ |
… | |
… | |
3424 | |
3979 | |
3425 | #if EV_EMBED_ENABLE |
3980 | #if EV_EMBED_ENABLE |
3426 | void noinline |
3981 | void noinline |
3427 | ev_embed_sweep (EV_P_ ev_embed *w) |
3982 | ev_embed_sweep (EV_P_ ev_embed *w) |
3428 | { |
3983 | { |
3429 | ev_loop (w->other, EVLOOP_NONBLOCK); |
3984 | ev_run (w->other, EVRUN_NOWAIT); |
3430 | } |
3985 | } |
3431 | |
3986 | |
3432 | static void |
3987 | static void |
3433 | embed_io_cb (EV_P_ ev_io *io, int revents) |
3988 | embed_io_cb (EV_P_ ev_io *io, int revents) |
3434 | { |
3989 | { |
3435 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
3990 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
3436 | |
3991 | |
3437 | if (ev_cb (w)) |
3992 | if (ev_cb (w)) |
3438 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
3993 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
3439 | else |
3994 | else |
3440 | ev_loop (w->other, EVLOOP_NONBLOCK); |
3995 | ev_run (w->other, EVRUN_NOWAIT); |
3441 | } |
3996 | } |
3442 | |
3997 | |
3443 | static void |
3998 | static void |
3444 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3999 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3445 | { |
4000 | { |
… | |
… | |
3449 | EV_P = w->other; |
4004 | EV_P = w->other; |
3450 | |
4005 | |
3451 | while (fdchangecnt) |
4006 | while (fdchangecnt) |
3452 | { |
4007 | { |
3453 | fd_reify (EV_A); |
4008 | fd_reify (EV_A); |
3454 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
4009 | ev_run (EV_A_ EVRUN_NOWAIT); |
3455 | } |
4010 | } |
3456 | } |
4011 | } |
3457 | } |
4012 | } |
3458 | |
4013 | |
3459 | static void |
4014 | static void |
… | |
… | |
3465 | |
4020 | |
3466 | { |
4021 | { |
3467 | EV_P = w->other; |
4022 | EV_P = w->other; |
3468 | |
4023 | |
3469 | ev_loop_fork (EV_A); |
4024 | ev_loop_fork (EV_A); |
3470 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
4025 | ev_run (EV_A_ EVRUN_NOWAIT); |
3471 | } |
4026 | } |
3472 | |
4027 | |
3473 | ev_embed_start (EV_A_ w); |
4028 | ev_embed_start (EV_A_ w); |
3474 | } |
4029 | } |
3475 | |
4030 | |
… | |
… | |
3567 | |
4122 | |
3568 | EV_FREQUENT_CHECK; |
4123 | EV_FREQUENT_CHECK; |
3569 | } |
4124 | } |
3570 | #endif |
4125 | #endif |
3571 | |
4126 | |
|
|
4127 | #if EV_CLEANUP_ENABLE |
|
|
4128 | void |
|
|
4129 | ev_cleanup_start (EV_P_ ev_cleanup *w) |
|
|
4130 | { |
|
|
4131 | if (expect_false (ev_is_active (w))) |
|
|
4132 | return; |
|
|
4133 | |
|
|
4134 | EV_FREQUENT_CHECK; |
|
|
4135 | |
|
|
4136 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
|
|
4137 | array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2); |
|
|
4138 | cleanups [cleanupcnt - 1] = w; |
|
|
4139 | |
|
|
4140 | /* cleanup watchers should never keep a refcount on the loop */ |
|
|
4141 | ev_unref (EV_A); |
|
|
4142 | EV_FREQUENT_CHECK; |
|
|
4143 | } |
|
|
4144 | |
|
|
4145 | void |
|
|
4146 | ev_cleanup_stop (EV_P_ ev_cleanup *w) |
|
|
4147 | { |
|
|
4148 | clear_pending (EV_A_ (W)w); |
|
|
4149 | if (expect_false (!ev_is_active (w))) |
|
|
4150 | return; |
|
|
4151 | |
|
|
4152 | EV_FREQUENT_CHECK; |
|
|
4153 | ev_ref (EV_A); |
|
|
4154 | |
|
|
4155 | { |
|
|
4156 | int active = ev_active (w); |
|
|
4157 | |
|
|
4158 | cleanups [active - 1] = cleanups [--cleanupcnt]; |
|
|
4159 | ev_active (cleanups [active - 1]) = active; |
|
|
4160 | } |
|
|
4161 | |
|
|
4162 | ev_stop (EV_A_ (W)w); |
|
|
4163 | |
|
|
4164 | EV_FREQUENT_CHECK; |
|
|
4165 | } |
|
|
4166 | #endif |
|
|
4167 | |
3572 | #if EV_ASYNC_ENABLE |
4168 | #if EV_ASYNC_ENABLE |
3573 | void |
4169 | void |
3574 | ev_async_start (EV_P_ ev_async *w) |
4170 | ev_async_start (EV_P_ ev_async *w) |
3575 | { |
4171 | { |
3576 | if (expect_false (ev_is_active (w))) |
4172 | if (expect_false (ev_is_active (w))) |
3577 | return; |
4173 | return; |
|
|
4174 | |
|
|
4175 | w->sent = 0; |
3578 | |
4176 | |
3579 | evpipe_init (EV_A); |
4177 | evpipe_init (EV_A); |
3580 | |
4178 | |
3581 | EV_FREQUENT_CHECK; |
4179 | EV_FREQUENT_CHECK; |
3582 | |
4180 | |
… | |
… | |
3685 | } |
4283 | } |
3686 | |
4284 | |
3687 | /*****************************************************************************/ |
4285 | /*****************************************************************************/ |
3688 | |
4286 | |
3689 | #if EV_WALK_ENABLE |
4287 | #if EV_WALK_ENABLE |
3690 | void |
4288 | void ecb_cold |
3691 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) |
4289 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) |
3692 | { |
4290 | { |
3693 | int i, j; |
4291 | int i, j; |
3694 | ev_watcher_list *wl, *wn; |
4292 | ev_watcher_list *wl, *wn; |
3695 | |
4293 | |
… | |
… | |
3739 | cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i])); |
4337 | cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i])); |
3740 | #endif |
4338 | #endif |
3741 | |
4339 | |
3742 | #if EV_IDLE_ENABLE |
4340 | #if EV_IDLE_ENABLE |
3743 | if (types & EV_IDLE) |
4341 | if (types & EV_IDLE) |
3744 | for (j = NUMPRI; i--; ) |
4342 | for (j = NUMPRI; j--; ) |
3745 | for (i = idlecnt [j]; i--; ) |
4343 | for (i = idlecnt [j]; i--; ) |
3746 | cb (EV_A_ EV_IDLE, idles [j][i]); |
4344 | cb (EV_A_ EV_IDLE, idles [j][i]); |
3747 | #endif |
4345 | #endif |
3748 | |
4346 | |
3749 | #if EV_FORK_ENABLE |
4347 | #if EV_FORK_ENABLE |
… | |
… | |
3802 | |
4400 | |
3803 | #if EV_MULTIPLICITY |
4401 | #if EV_MULTIPLICITY |
3804 | #include "ev_wrap.h" |
4402 | #include "ev_wrap.h" |
3805 | #endif |
4403 | #endif |
3806 | |
4404 | |
3807 | #ifdef __cplusplus |
4405 | EV_CPP(}) |
3808 | } |
|
|
3809 | #endif |
|
|
3810 | |
4406 | |