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) 2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann <libev@schmorp.de> |
5 | * All rights reserved. |
5 | * All rights reserved. |
6 | * |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
8 | * tion, are permitted provided that the following conditions are met: |
8 | * tion, are permitted provided that the following conditions are met: |
9 | * |
9 | * |
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, |
… | |
… | |
43 | # include EV_CONFIG_H |
43 | # include EV_CONFIG_H |
44 | # else |
44 | # else |
45 | # include "config.h" |
45 | # include "config.h" |
46 | # endif |
46 | # endif |
47 | |
47 | |
|
|
48 | #if HAVE_FLOOR |
|
|
49 | # ifndef EV_USE_FLOOR |
|
|
50 | # define EV_USE_FLOOR 1 |
|
|
51 | # endif |
|
|
52 | #endif |
|
|
53 | |
48 | # if HAVE_CLOCK_SYSCALL |
54 | # if HAVE_CLOCK_SYSCALL |
49 | # ifndef EV_USE_CLOCK_SYSCALL |
55 | # ifndef EV_USE_CLOCK_SYSCALL |
50 | # define EV_USE_CLOCK_SYSCALL 1 |
56 | # define EV_USE_CLOCK_SYSCALL 1 |
51 | # ifndef EV_USE_REALTIME |
57 | # ifndef EV_USE_REALTIME |
52 | # define EV_USE_REALTIME 0 |
58 | # define EV_USE_REALTIME 0 |
53 | # endif |
59 | # endif |
54 | # ifndef EV_USE_MONOTONIC |
60 | # ifndef EV_USE_MONOTONIC |
55 | # define EV_USE_MONOTONIC 1 |
61 | # define EV_USE_MONOTONIC 1 |
56 | # endif |
62 | # endif |
57 | # endif |
63 | # endif |
58 | # elif !defined(EV_USE_CLOCK_SYSCALL) |
64 | # elif !defined EV_USE_CLOCK_SYSCALL |
59 | # define EV_USE_CLOCK_SYSCALL 0 |
65 | # define EV_USE_CLOCK_SYSCALL 0 |
60 | # endif |
66 | # endif |
61 | |
67 | |
62 | # if HAVE_CLOCK_GETTIME |
68 | # if HAVE_CLOCK_GETTIME |
63 | # ifndef EV_USE_MONOTONIC |
69 | # ifndef EV_USE_MONOTONIC |
… | |
… | |
156 | # define EV_USE_EVENTFD 0 |
162 | # define EV_USE_EVENTFD 0 |
157 | # endif |
163 | # endif |
158 | |
164 | |
159 | #endif |
165 | #endif |
160 | |
166 | |
161 | #include <math.h> |
|
|
162 | #include <stdlib.h> |
167 | #include <stdlib.h> |
163 | #include <string.h> |
168 | #include <string.h> |
164 | #include <fcntl.h> |
169 | #include <fcntl.h> |
165 | #include <stddef.h> |
170 | #include <stddef.h> |
166 | |
171 | |
… | |
… | |
178 | # include EV_H |
183 | # include EV_H |
179 | #else |
184 | #else |
180 | # include "ev.h" |
185 | # include "ev.h" |
181 | #endif |
186 | #endif |
182 | |
187 | |
183 | EV_CPP(extern "C" {) |
188 | #if EV_NO_THREADS |
|
|
189 | # undef EV_NO_SMP |
|
|
190 | # define EV_NO_SMP 1 |
|
|
191 | # undef ECB_NO_THREADS |
|
|
192 | # define ECB_NO_THREADS 1 |
|
|
193 | #endif |
|
|
194 | #if EV_NO_SMP |
|
|
195 | # undef EV_NO_SMP |
|
|
196 | # define ECB_NO_SMP 1 |
|
|
197 | #endif |
184 | |
198 | |
185 | #ifndef _WIN32 |
199 | #ifndef _WIN32 |
186 | # include <sys/time.h> |
200 | # include <sys/time.h> |
187 | # include <sys/wait.h> |
201 | # include <sys/wait.h> |
188 | # include <unistd.h> |
202 | # include <unistd.h> |
189 | #else |
203 | #else |
190 | # include <io.h> |
204 | # include <io.h> |
191 | # define WIN32_LEAN_AND_MEAN |
205 | # define WIN32_LEAN_AND_MEAN |
192 | # include <windows.h> |
206 | # include <windows.h> |
|
|
207 | # include <winsock2.h> |
193 | # ifndef EV_SELECT_IS_WINSOCKET |
208 | # ifndef EV_SELECT_IS_WINSOCKET |
194 | # define EV_SELECT_IS_WINSOCKET 1 |
209 | # define EV_SELECT_IS_WINSOCKET 1 |
195 | # endif |
210 | # endif |
196 | # undef EV_AVOID_STDIO |
211 | # undef EV_AVOID_STDIO |
197 | #endif |
212 | #endif |
… | |
… | |
205 | #define _DARWIN_UNLIMITED_SELECT 1 |
220 | #define _DARWIN_UNLIMITED_SELECT 1 |
206 | |
221 | |
207 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
222 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
208 | |
223 | |
209 | /* try to deduce the maximum number of signals on this platform */ |
224 | /* try to deduce the maximum number of signals on this platform */ |
210 | #if defined (EV_NSIG) |
225 | #if defined EV_NSIG |
211 | /* use what's provided */ |
226 | /* use what's provided */ |
212 | #elif defined (NSIG) |
227 | #elif defined NSIG |
213 | # define EV_NSIG (NSIG) |
228 | # define EV_NSIG (NSIG) |
214 | #elif defined(_NSIG) |
229 | #elif defined _NSIG |
215 | # define EV_NSIG (_NSIG) |
230 | # define EV_NSIG (_NSIG) |
216 | #elif defined (SIGMAX) |
231 | #elif defined SIGMAX |
217 | # define EV_NSIG (SIGMAX+1) |
232 | # define EV_NSIG (SIGMAX+1) |
218 | #elif defined (SIG_MAX) |
233 | #elif defined SIG_MAX |
219 | # define EV_NSIG (SIG_MAX+1) |
234 | # define EV_NSIG (SIG_MAX+1) |
220 | #elif defined (_SIG_MAX) |
235 | #elif defined _SIG_MAX |
221 | # define EV_NSIG (_SIG_MAX+1) |
236 | # define EV_NSIG (_SIG_MAX+1) |
222 | #elif defined (MAXSIG) |
237 | #elif defined MAXSIG |
223 | # define EV_NSIG (MAXSIG+1) |
238 | # define EV_NSIG (MAXSIG+1) |
224 | #elif defined (MAX_SIG) |
239 | #elif defined MAX_SIG |
225 | # define EV_NSIG (MAX_SIG+1) |
240 | # define EV_NSIG (MAX_SIG+1) |
226 | #elif defined (SIGARRAYSIZE) |
241 | #elif defined SIGARRAYSIZE |
227 | # define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ |
242 | # define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ |
228 | #elif defined (_sys_nsig) |
243 | #elif defined _sys_nsig |
229 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
244 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
230 | #else |
245 | #else |
231 | # error "unable to find value for NSIG, please report" |
246 | # error "unable to find value for NSIG, please report" |
232 | /* to make it compile regardless, just remove the above line, */ |
247 | /* to make it compile regardless, just remove the above line, */ |
233 | /* but consider reporting it, too! :) */ |
248 | /* but consider reporting it, too! :) */ |
234 | # define EV_NSIG 65 |
249 | # define EV_NSIG 65 |
235 | #endif |
250 | #endif |
236 | |
251 | |
|
|
252 | #ifndef EV_USE_FLOOR |
|
|
253 | # define EV_USE_FLOOR 0 |
|
|
254 | #endif |
|
|
255 | |
237 | #ifndef EV_USE_CLOCK_SYSCALL |
256 | #ifndef EV_USE_CLOCK_SYSCALL |
238 | # if __linux && __GLIBC__ >= 2 |
257 | # if __linux && __GLIBC__ >= 2 |
239 | # define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS |
258 | # define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS |
240 | # else |
259 | # else |
241 | # define EV_USE_CLOCK_SYSCALL 0 |
260 | # define EV_USE_CLOCK_SYSCALL 0 |
242 | # endif |
261 | # endif |
243 | #endif |
262 | #endif |
244 | |
263 | |
245 | #ifndef EV_USE_MONOTONIC |
264 | #ifndef EV_USE_MONOTONIC |
246 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
265 | # if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0 |
247 | # define EV_USE_MONOTONIC EV_FEATURE_OS |
266 | # define EV_USE_MONOTONIC EV_FEATURE_OS |
248 | # else |
267 | # else |
249 | # define EV_USE_MONOTONIC 0 |
268 | # define EV_USE_MONOTONIC 0 |
250 | # endif |
269 | # endif |
251 | #endif |
270 | #endif |
… | |
… | |
341 | #endif |
360 | #endif |
342 | |
361 | |
343 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
362 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
344 | /* which makes programs even slower. might work on other unices, too. */ |
363 | /* which makes programs even slower. might work on other unices, too. */ |
345 | #if EV_USE_CLOCK_SYSCALL |
364 | #if EV_USE_CLOCK_SYSCALL |
346 | # include <syscall.h> |
365 | # include <sys/syscall.h> |
347 | # ifdef SYS_clock_gettime |
366 | # ifdef SYS_clock_gettime |
348 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
367 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
349 | # undef EV_USE_MONOTONIC |
368 | # undef EV_USE_MONOTONIC |
350 | # define EV_USE_MONOTONIC 1 |
369 | # define EV_USE_MONOTONIC 1 |
351 | # else |
370 | # else |
… | |
… | |
376 | # undef EV_USE_INOTIFY |
395 | # undef EV_USE_INOTIFY |
377 | # define EV_USE_INOTIFY 0 |
396 | # define EV_USE_INOTIFY 0 |
378 | #endif |
397 | #endif |
379 | |
398 | |
380 | #if !EV_USE_NANOSLEEP |
399 | #if !EV_USE_NANOSLEEP |
381 | # ifndef _WIN32 |
400 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
|
|
401 | # if !defined _WIN32 && !defined __hpux |
382 | # include <sys/select.h> |
402 | # include <sys/select.h> |
383 | # endif |
403 | # endif |
384 | #endif |
404 | #endif |
385 | |
405 | |
386 | #if EV_USE_INOTIFY |
406 | #if EV_USE_INOTIFY |
… | |
… | |
442 | #else |
462 | #else |
443 | # define EV_FREQUENT_CHECK do { } while (0) |
463 | # define EV_FREQUENT_CHECK do { } while (0) |
444 | #endif |
464 | #endif |
445 | |
465 | |
446 | /* |
466 | /* |
447 | * This is used to avoid floating point rounding problems. |
467 | * This is used to work around floating point rounding problems. |
448 | * It is added to ev_rt_now when scheduling periodics |
|
|
449 | * to ensure progress, time-wise, even when rounding |
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|
450 | * errors are against us. |
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|
451 | * This value is good at least till the year 4000. |
468 | * This value is good at least till the year 4000. |
452 | * Better solutions welcome. |
|
|
453 | */ |
469 | */ |
454 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
470 | #define MIN_INTERVAL 0.0001220703125 /* 1/2**13, good till 4000 */ |
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|
471 | /*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20, good till 2200 */ |
455 | |
472 | |
456 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
473 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
457 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
474 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
458 | |
475 | |
459 | #define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) |
476 | #define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) |
460 | #define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0) |
477 | #define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0) |
461 | |
478 | |
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479 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
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480 | /* ECB.H BEGIN */ |
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481 | /* |
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482 | * libecb - http://software.schmorp.de/pkg/libecb |
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483 | * |
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484 | * Copyright (©) 2009-2012 Marc Alexander Lehmann <libecb@schmorp.de> |
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485 | * Copyright (©) 2011 Emanuele Giaquinta |
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486 | * All rights reserved. |
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487 | * |
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488 | * Redistribution and use in source and binary forms, with or without modifica- |
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489 | * tion, are permitted provided that the following conditions are met: |
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490 | * |
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491 | * 1. Redistributions of source code must retain the above copyright notice, |
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492 | * this list of conditions and the following disclaimer. |
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493 | * |
|
|
494 | * 2. Redistributions in binary form must reproduce the above copyright |
|
|
495 | * notice, this list of conditions and the following disclaimer in the |
|
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496 | * documentation and/or other materials provided with the distribution. |
|
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497 | * |
|
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498 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
|
|
499 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- |
|
|
500 | * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
|
|
501 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- |
|
|
502 | * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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503 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
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504 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
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|
505 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
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506 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
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507 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
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508 | */ |
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509 | |
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510 | #ifndef ECB_H |
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511 | #define ECB_H |
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512 | |
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513 | #ifdef _WIN32 |
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|
514 | typedef signed char int8_t; |
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515 | typedef unsigned char uint8_t; |
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516 | typedef signed short int16_t; |
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|
517 | typedef unsigned short uint16_t; |
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518 | typedef signed int int32_t; |
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519 | typedef unsigned int uint32_t; |
462 | #if __GNUC__ >= 4 |
520 | #if __GNUC__ |
463 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
521 | typedef signed long long int64_t; |
464 | # define noinline __attribute__ ((noinline)) |
522 | typedef unsigned long long uint64_t; |
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|
523 | #else /* _MSC_VER || __BORLANDC__ */ |
|
|
524 | typedef signed __int64 int64_t; |
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|
525 | typedef unsigned __int64 uint64_t; |
|
|
526 | #endif |
465 | #else |
527 | #else |
466 | # define expect(expr,value) (expr) |
528 | #include <inttypes.h> |
467 | # define noinline |
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|
468 | # if __STDC_VERSION__ < 199901L && __GNUC__ < 2 |
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469 | # define inline |
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470 | # endif |
529 | #endif |
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530 | |
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531 | /* many compilers define _GNUC_ to some versions but then only implement |
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532 | * what their idiot authors think are the "more important" extensions, |
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533 | * causing enormous grief in return for some better fake benchmark numbers. |
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534 | * or so. |
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535 | * we try to detect these and simply assume they are not gcc - if they have |
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536 | * an issue with that they should have done it right in the first place. |
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537 | */ |
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|
538 | #ifndef ECB_GCC_VERSION |
|
|
539 | #if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__ |
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540 | #define ECB_GCC_VERSION(major,minor) 0 |
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541 | #else |
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542 | #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) |
471 | #endif |
543 | #endif |
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|
544 | #endif |
472 | |
545 | |
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546 | /*****************************************************************************/ |
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547 | |
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548 | /* ECB_NO_THREADS - ecb is not used by multiple threads, ever */ |
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549 | /* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */ |
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550 | |
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551 | #if ECB_NO_THREADS |
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552 | # define ECB_NO_SMP 1 |
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553 | #endif |
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554 | |
|
|
555 | #if ECB_NO_THREADS || ECB_NO_SMP |
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556 | #define ECB_MEMORY_FENCE do { } while (0) |
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|
557 | #endif |
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558 | |
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|
559 | #ifndef ECB_MEMORY_FENCE |
|
|
560 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
|
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561 | #if __i386 || __i386__ |
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562 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
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563 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */ |
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564 | #define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */ |
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565 | #elif __amd64 || __amd64__ || __x86_64 || __x86_64__ |
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|
566 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
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567 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory") |
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568 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */ |
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569 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
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570 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
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571 | #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \ |
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572 | || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ |
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573 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory") |
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574 | #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \ |
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575 | || defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__ |
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576 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") |
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577 | #elif __sparc || __sparc__ |
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578 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad | " : : : "memory") |
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579 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") |
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580 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") |
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|
581 | #elif defined __s390__ || defined __s390x__ |
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582 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") |
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|
583 | #elif defined __mips__ |
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584 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
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585 | #elif defined __alpha__ |
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586 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory") |
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587 | #endif |
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|
588 | #endif |
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589 | #endif |
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590 | |
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591 | #ifndef ECB_MEMORY_FENCE |
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592 | #if ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
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593 | #define ECB_MEMORY_FENCE __sync_synchronize () |
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594 | /*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */ |
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595 | /*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */ |
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596 | #elif _MSC_VER >= 1400 /* VC++ 2005 */ |
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|
597 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
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598 | #define ECB_MEMORY_FENCE _ReadWriteBarrier () |
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599 | #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */ |
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600 | #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () |
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|
601 | #elif defined _WIN32 |
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602 | #include <WinNT.h> |
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|
603 | #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ |
|
|
604 | #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
|
|
605 | #include <mbarrier.h> |
|
|
606 | #define ECB_MEMORY_FENCE __machine_rw_barrier () |
|
|
607 | #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier () |
|
|
608 | #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier () |
|
|
609 | #elif __xlC__ |
|
|
610 | #define ECB_MEMORY_FENCE __sync () |
|
|
611 | #endif |
|
|
612 | #endif |
|
|
613 | |
|
|
614 | #ifndef ECB_MEMORY_FENCE |
|
|
615 | #if !ECB_AVOID_PTHREADS |
|
|
616 | /* |
|
|
617 | * if you get undefined symbol references to pthread_mutex_lock, |
|
|
618 | * or failure to find pthread.h, then you should implement |
|
|
619 | * the ECB_MEMORY_FENCE operations for your cpu/compiler |
|
|
620 | * OR provide pthread.h and link against the posix thread library |
|
|
621 | * of your system. |
|
|
622 | */ |
|
|
623 | #include <pthread.h> |
|
|
624 | #define ECB_NEEDS_PTHREADS 1 |
|
|
625 | #define ECB_MEMORY_FENCE_NEEDS_PTHREADS 1 |
|
|
626 | |
|
|
627 | static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER; |
|
|
628 | #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0) |
|
|
629 | #endif |
|
|
630 | #endif |
|
|
631 | |
|
|
632 | #if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE |
|
|
633 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
|
|
634 | #endif |
|
|
635 | |
|
|
636 | #if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE |
|
|
637 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
|
|
638 | #endif |
|
|
639 | |
|
|
640 | /*****************************************************************************/ |
|
|
641 | |
|
|
642 | #define ECB_C99 (__STDC_VERSION__ >= 199901L) |
|
|
643 | |
|
|
644 | #if __cplusplus |
|
|
645 | #define ecb_inline static inline |
|
|
646 | #elif ECB_GCC_VERSION(2,5) |
|
|
647 | #define ecb_inline static __inline__ |
|
|
648 | #elif ECB_C99 |
|
|
649 | #define ecb_inline static inline |
|
|
650 | #else |
|
|
651 | #define ecb_inline static |
|
|
652 | #endif |
|
|
653 | |
|
|
654 | #if ECB_GCC_VERSION(3,3) |
|
|
655 | #define ecb_restrict __restrict__ |
|
|
656 | #elif ECB_C99 |
|
|
657 | #define ecb_restrict restrict |
|
|
658 | #else |
|
|
659 | #define ecb_restrict |
|
|
660 | #endif |
|
|
661 | |
|
|
662 | typedef int ecb_bool; |
|
|
663 | |
|
|
664 | #define ECB_CONCAT_(a, b) a ## b |
|
|
665 | #define ECB_CONCAT(a, b) ECB_CONCAT_(a, b) |
|
|
666 | #define ECB_STRINGIFY_(a) # a |
|
|
667 | #define ECB_STRINGIFY(a) ECB_STRINGIFY_(a) |
|
|
668 | |
|
|
669 | #define ecb_function_ ecb_inline |
|
|
670 | |
|
|
671 | #if ECB_GCC_VERSION(3,1) |
|
|
672 | #define ecb_attribute(attrlist) __attribute__(attrlist) |
|
|
673 | #define ecb_is_constant(expr) __builtin_constant_p (expr) |
|
|
674 | #define ecb_expect(expr,value) __builtin_expect ((expr),(value)) |
|
|
675 | #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality) |
|
|
676 | #else |
|
|
677 | #define ecb_attribute(attrlist) |
|
|
678 | #define ecb_is_constant(expr) 0 |
|
|
679 | #define ecb_expect(expr,value) (expr) |
|
|
680 | #define ecb_prefetch(addr,rw,locality) |
|
|
681 | #endif |
|
|
682 | |
|
|
683 | /* no emulation for ecb_decltype */ |
|
|
684 | #if ECB_GCC_VERSION(4,5) |
|
|
685 | #define ecb_decltype(x) __decltype(x) |
|
|
686 | #elif ECB_GCC_VERSION(3,0) |
|
|
687 | #define ecb_decltype(x) __typeof(x) |
|
|
688 | #endif |
|
|
689 | |
|
|
690 | #define ecb_noinline ecb_attribute ((__noinline__)) |
|
|
691 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
|
|
692 | #define ecb_unused ecb_attribute ((__unused__)) |
|
|
693 | #define ecb_const ecb_attribute ((__const__)) |
|
|
694 | #define ecb_pure ecb_attribute ((__pure__)) |
|
|
695 | |
|
|
696 | #if ECB_GCC_VERSION(4,3) |
|
|
697 | #define ecb_artificial ecb_attribute ((__artificial__)) |
|
|
698 | #define ecb_hot ecb_attribute ((__hot__)) |
|
|
699 | #define ecb_cold ecb_attribute ((__cold__)) |
|
|
700 | #else |
|
|
701 | #define ecb_artificial |
|
|
702 | #define ecb_hot |
|
|
703 | #define ecb_cold |
|
|
704 | #endif |
|
|
705 | |
|
|
706 | /* put around conditional expressions if you are very sure that the */ |
|
|
707 | /* expression is mostly true or mostly false. note that these return */ |
|
|
708 | /* booleans, not the expression. */ |
473 | #define expect_false(expr) expect ((expr) != 0, 0) |
709 | #define ecb_expect_false(expr) ecb_expect (!!(expr), 0) |
474 | #define expect_true(expr) expect ((expr) != 0, 1) |
710 | #define ecb_expect_true(expr) ecb_expect (!!(expr), 1) |
|
|
711 | /* for compatibility to the rest of the world */ |
|
|
712 | #define ecb_likely(expr) ecb_expect_true (expr) |
|
|
713 | #define ecb_unlikely(expr) ecb_expect_false (expr) |
|
|
714 | |
|
|
715 | /* count trailing zero bits and count # of one bits */ |
|
|
716 | #if ECB_GCC_VERSION(3,4) |
|
|
717 | /* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */ |
|
|
718 | #define ecb_ld32(x) (__builtin_clz (x) ^ 31) |
|
|
719 | #define ecb_ld64(x) (__builtin_clzll (x) ^ 63) |
|
|
720 | #define ecb_ctz32(x) __builtin_ctz (x) |
|
|
721 | #define ecb_ctz64(x) __builtin_ctzll (x) |
|
|
722 | #define ecb_popcount32(x) __builtin_popcount (x) |
|
|
723 | /* no popcountll */ |
|
|
724 | #else |
|
|
725 | ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const; |
|
|
726 | ecb_function_ int |
|
|
727 | ecb_ctz32 (uint32_t x) |
|
|
728 | { |
|
|
729 | int r = 0; |
|
|
730 | |
|
|
731 | x &= ~x + 1; /* this isolates the lowest bit */ |
|
|
732 | |
|
|
733 | #if ECB_branchless_on_i386 |
|
|
734 | r += !!(x & 0xaaaaaaaa) << 0; |
|
|
735 | r += !!(x & 0xcccccccc) << 1; |
|
|
736 | r += !!(x & 0xf0f0f0f0) << 2; |
|
|
737 | r += !!(x & 0xff00ff00) << 3; |
|
|
738 | r += !!(x & 0xffff0000) << 4; |
|
|
739 | #else |
|
|
740 | if (x & 0xaaaaaaaa) r += 1; |
|
|
741 | if (x & 0xcccccccc) r += 2; |
|
|
742 | if (x & 0xf0f0f0f0) r += 4; |
|
|
743 | if (x & 0xff00ff00) r += 8; |
|
|
744 | if (x & 0xffff0000) r += 16; |
|
|
745 | #endif |
|
|
746 | |
|
|
747 | return r; |
|
|
748 | } |
|
|
749 | |
|
|
750 | ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const; |
|
|
751 | ecb_function_ int |
|
|
752 | ecb_ctz64 (uint64_t x) |
|
|
753 | { |
|
|
754 | int shift = x & 0xffffffffU ? 0 : 32; |
|
|
755 | return ecb_ctz32 (x >> shift) + shift; |
|
|
756 | } |
|
|
757 | |
|
|
758 | ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const; |
|
|
759 | ecb_function_ int |
|
|
760 | ecb_popcount32 (uint32_t x) |
|
|
761 | { |
|
|
762 | x -= (x >> 1) & 0x55555555; |
|
|
763 | x = ((x >> 2) & 0x33333333) + (x & 0x33333333); |
|
|
764 | x = ((x >> 4) + x) & 0x0f0f0f0f; |
|
|
765 | x *= 0x01010101; |
|
|
766 | |
|
|
767 | return x >> 24; |
|
|
768 | } |
|
|
769 | |
|
|
770 | ecb_function_ int ecb_ld32 (uint32_t x) ecb_const; |
|
|
771 | ecb_function_ int ecb_ld32 (uint32_t x) |
|
|
772 | { |
|
|
773 | int r = 0; |
|
|
774 | |
|
|
775 | if (x >> 16) { x >>= 16; r += 16; } |
|
|
776 | if (x >> 8) { x >>= 8; r += 8; } |
|
|
777 | if (x >> 4) { x >>= 4; r += 4; } |
|
|
778 | if (x >> 2) { x >>= 2; r += 2; } |
|
|
779 | if (x >> 1) { r += 1; } |
|
|
780 | |
|
|
781 | return r; |
|
|
782 | } |
|
|
783 | |
|
|
784 | ecb_function_ int ecb_ld64 (uint64_t x) ecb_const; |
|
|
785 | ecb_function_ int ecb_ld64 (uint64_t x) |
|
|
786 | { |
|
|
787 | int r = 0; |
|
|
788 | |
|
|
789 | if (x >> 32) { x >>= 32; r += 32; } |
|
|
790 | |
|
|
791 | return r + ecb_ld32 (x); |
|
|
792 | } |
|
|
793 | #endif |
|
|
794 | |
|
|
795 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const; |
|
|
796 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) |
|
|
797 | { |
|
|
798 | return ( (x * 0x0802U & 0x22110U) |
|
|
799 | | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16; |
|
|
800 | } |
|
|
801 | |
|
|
802 | ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const; |
|
|
803 | ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) |
|
|
804 | { |
|
|
805 | x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1); |
|
|
806 | x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2); |
|
|
807 | x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4); |
|
|
808 | x = ( x >> 8 ) | ( x << 8); |
|
|
809 | |
|
|
810 | return x; |
|
|
811 | } |
|
|
812 | |
|
|
813 | ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const; |
|
|
814 | ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) |
|
|
815 | { |
|
|
816 | x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1); |
|
|
817 | x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2); |
|
|
818 | x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4); |
|
|
819 | x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8); |
|
|
820 | x = ( x >> 16 ) | ( x << 16); |
|
|
821 | |
|
|
822 | return x; |
|
|
823 | } |
|
|
824 | |
|
|
825 | /* popcount64 is only available on 64 bit cpus as gcc builtin */ |
|
|
826 | /* so for this version we are lazy */ |
|
|
827 | ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const; |
|
|
828 | ecb_function_ int |
|
|
829 | ecb_popcount64 (uint64_t x) |
|
|
830 | { |
|
|
831 | return ecb_popcount32 (x) + ecb_popcount32 (x >> 32); |
|
|
832 | } |
|
|
833 | |
|
|
834 | ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const; |
|
|
835 | ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const; |
|
|
836 | ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const; |
|
|
837 | ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const; |
|
|
838 | ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const; |
|
|
839 | ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const; |
|
|
840 | ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const; |
|
|
841 | ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const; |
|
|
842 | |
|
|
843 | ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); } |
|
|
844 | ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); } |
|
|
845 | ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); } |
|
|
846 | ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); } |
|
|
847 | ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); } |
|
|
848 | ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } |
|
|
849 | ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } |
|
|
850 | ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } |
|
|
851 | |
|
|
852 | #if ECB_GCC_VERSION(4,3) |
|
|
853 | #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) |
|
|
854 | #define ecb_bswap32(x) __builtin_bswap32 (x) |
|
|
855 | #define ecb_bswap64(x) __builtin_bswap64 (x) |
|
|
856 | #else |
|
|
857 | ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const; |
|
|
858 | ecb_function_ uint16_t |
|
|
859 | ecb_bswap16 (uint16_t x) |
|
|
860 | { |
|
|
861 | return ecb_rotl16 (x, 8); |
|
|
862 | } |
|
|
863 | |
|
|
864 | ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const; |
|
|
865 | ecb_function_ uint32_t |
|
|
866 | ecb_bswap32 (uint32_t x) |
|
|
867 | { |
|
|
868 | return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16); |
|
|
869 | } |
|
|
870 | |
|
|
871 | ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const; |
|
|
872 | ecb_function_ uint64_t |
|
|
873 | ecb_bswap64 (uint64_t x) |
|
|
874 | { |
|
|
875 | return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32); |
|
|
876 | } |
|
|
877 | #endif |
|
|
878 | |
|
|
879 | #if ECB_GCC_VERSION(4,5) |
|
|
880 | #define ecb_unreachable() __builtin_unreachable () |
|
|
881 | #else |
|
|
882 | /* this seems to work fine, but gcc always emits a warning for it :/ */ |
|
|
883 | ecb_inline void ecb_unreachable (void) ecb_noreturn; |
|
|
884 | ecb_inline void ecb_unreachable (void) { } |
|
|
885 | #endif |
|
|
886 | |
|
|
887 | /* try to tell the compiler that some condition is definitely true */ |
|
|
888 | #define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0) |
|
|
889 | |
|
|
890 | ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const; |
|
|
891 | ecb_inline unsigned char |
|
|
892 | ecb_byteorder_helper (void) |
|
|
893 | { |
|
|
894 | const uint32_t u = 0x11223344; |
|
|
895 | return *(unsigned char *)&u; |
|
|
896 | } |
|
|
897 | |
|
|
898 | ecb_inline ecb_bool ecb_big_endian (void) ecb_const; |
|
|
899 | ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; } |
|
|
900 | ecb_inline ecb_bool ecb_little_endian (void) ecb_const; |
|
|
901 | ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; } |
|
|
902 | |
|
|
903 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
|
|
904 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
|
|
905 | #else |
|
|
906 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
|
|
907 | #endif |
|
|
908 | |
|
|
909 | #if __cplusplus |
|
|
910 | template<typename T> |
|
|
911 | static inline T ecb_div_rd (T val, T div) |
|
|
912 | { |
|
|
913 | return val < 0 ? - ((-val + div - 1) / div) : (val ) / div; |
|
|
914 | } |
|
|
915 | template<typename T> |
|
|
916 | static inline T ecb_div_ru (T val, T div) |
|
|
917 | { |
|
|
918 | return val < 0 ? - ((-val ) / div) : (val + div - 1) / div; |
|
|
919 | } |
|
|
920 | #else |
|
|
921 | #define ecb_div_rd(val,div) ((val) < 0 ? - ((-(val) + (div) - 1) / (div)) : ((val) ) / (div)) |
|
|
922 | #define ecb_div_ru(val,div) ((val) < 0 ? - ((-(val) ) / (div)) : ((val) + (div) - 1) / (div)) |
|
|
923 | #endif |
|
|
924 | |
|
|
925 | #if ecb_cplusplus_does_not_suck |
|
|
926 | /* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */ |
|
|
927 | template<typename T, int N> |
|
|
928 | static inline int ecb_array_length (const T (&arr)[N]) |
|
|
929 | { |
|
|
930 | return N; |
|
|
931 | } |
|
|
932 | #else |
|
|
933 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
|
|
934 | #endif |
|
|
935 | |
|
|
936 | #endif |
|
|
937 | |
|
|
938 | /* ECB.H END */ |
|
|
939 | |
|
|
940 | #if ECB_MEMORY_FENCE_NEEDS_PTHREADS |
|
|
941 | /* if your architecture doesn't need memory fences, e.g. because it is |
|
|
942 | * single-cpu/core, or if you use libev in a project that doesn't use libev |
|
|
943 | * from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling |
|
|
944 | * libev, in which cases the memory fences become nops. |
|
|
945 | * alternatively, you can remove this #error and link against libpthread, |
|
|
946 | * which will then provide the memory fences. |
|
|
947 | */ |
|
|
948 | # error "memory fences not defined for your architecture, please report" |
|
|
949 | #endif |
|
|
950 | |
|
|
951 | #ifndef ECB_MEMORY_FENCE |
|
|
952 | # define ECB_MEMORY_FENCE do { } while (0) |
|
|
953 | # define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
|
|
954 | # define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
|
|
955 | #endif |
|
|
956 | |
|
|
957 | #define expect_false(cond) ecb_expect_false (cond) |
|
|
958 | #define expect_true(cond) ecb_expect_true (cond) |
|
|
959 | #define noinline ecb_noinline |
|
|
960 | |
475 | #define inline_size static inline |
961 | #define inline_size ecb_inline |
476 | |
962 | |
477 | #if EV_FEATURE_CODE |
963 | #if EV_FEATURE_CODE |
478 | # define inline_speed static inline |
964 | # define inline_speed ecb_inline |
479 | #else |
965 | #else |
480 | # define inline_speed static noinline |
966 | # define inline_speed static noinline |
481 | #endif |
967 | #endif |
482 | |
968 | |
483 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
969 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
… | |
… | |
522 | # include "ev_win32.c" |
1008 | # include "ev_win32.c" |
523 | #endif |
1009 | #endif |
524 | |
1010 | |
525 | /*****************************************************************************/ |
1011 | /*****************************************************************************/ |
526 | |
1012 | |
|
|
1013 | /* define a suitable floor function (only used by periodics atm) */ |
|
|
1014 | |
|
|
1015 | #if EV_USE_FLOOR |
|
|
1016 | # include <math.h> |
|
|
1017 | # define ev_floor(v) floor (v) |
|
|
1018 | #else |
|
|
1019 | |
|
|
1020 | #include <float.h> |
|
|
1021 | |
|
|
1022 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
|
|
1023 | static ev_tstamp noinline |
|
|
1024 | ev_floor (ev_tstamp v) |
|
|
1025 | { |
|
|
1026 | /* the choice of shift factor is not terribly important */ |
|
|
1027 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
|
|
1028 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
|
|
1029 | #else |
|
|
1030 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.; |
|
|
1031 | #endif |
|
|
1032 | |
|
|
1033 | /* argument too large for an unsigned long? */ |
|
|
1034 | if (expect_false (v >= shift)) |
|
|
1035 | { |
|
|
1036 | ev_tstamp f; |
|
|
1037 | |
|
|
1038 | if (v == v - 1.) |
|
|
1039 | return v; /* very large number */ |
|
|
1040 | |
|
|
1041 | f = shift * ev_floor (v * (1. / shift)); |
|
|
1042 | return f + ev_floor (v - f); |
|
|
1043 | } |
|
|
1044 | |
|
|
1045 | /* special treatment for negative args? */ |
|
|
1046 | if (expect_false (v < 0.)) |
|
|
1047 | { |
|
|
1048 | ev_tstamp f = -ev_floor (-v); |
|
|
1049 | |
|
|
1050 | return f - (f == v ? 0 : 1); |
|
|
1051 | } |
|
|
1052 | |
|
|
1053 | /* fits into an unsigned long */ |
|
|
1054 | return (unsigned long)v; |
|
|
1055 | } |
|
|
1056 | |
|
|
1057 | #endif |
|
|
1058 | |
|
|
1059 | /*****************************************************************************/ |
|
|
1060 | |
527 | #ifdef __linux |
1061 | #ifdef __linux |
528 | # include <sys/utsname.h> |
1062 | # include <sys/utsname.h> |
529 | #endif |
1063 | #endif |
530 | |
1064 | |
531 | static unsigned int noinline |
1065 | static unsigned int noinline ecb_cold |
532 | ev_linux_version (void) |
1066 | ev_linux_version (void) |
533 | { |
1067 | { |
534 | #ifdef __linux |
1068 | #ifdef __linux |
535 | unsigned int v = 0; |
1069 | unsigned int v = 0; |
536 | struct utsname buf; |
1070 | struct utsname buf; |
… | |
… | |
565 | } |
1099 | } |
566 | |
1100 | |
567 | /*****************************************************************************/ |
1101 | /*****************************************************************************/ |
568 | |
1102 | |
569 | #if EV_AVOID_STDIO |
1103 | #if EV_AVOID_STDIO |
570 | static void noinline |
1104 | static void noinline ecb_cold |
571 | ev_printerr (const char *msg) |
1105 | ev_printerr (const char *msg) |
572 | { |
1106 | { |
573 | write (STDERR_FILENO, msg, strlen (msg)); |
1107 | write (STDERR_FILENO, msg, strlen (msg)); |
574 | } |
1108 | } |
575 | #endif |
1109 | #endif |
576 | |
1110 | |
577 | static void (*syserr_cb)(const char *msg); |
1111 | static void (*syserr_cb)(const char *msg) EV_THROW; |
578 | |
1112 | |
579 | void |
1113 | void ecb_cold |
580 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
1114 | ev_set_syserr_cb (void (*cb)(const char *msg)) EV_THROW |
581 | { |
1115 | { |
582 | syserr_cb = cb; |
1116 | syserr_cb = cb; |
583 | } |
1117 | } |
584 | |
1118 | |
585 | static void noinline |
1119 | static void noinline ecb_cold |
586 | ev_syserr (const char *msg) |
1120 | ev_syserr (const char *msg) |
587 | { |
1121 | { |
588 | if (!msg) |
1122 | if (!msg) |
589 | msg = "(libev) system error"; |
1123 | msg = "(libev) system error"; |
590 | |
1124 | |
591 | if (syserr_cb) |
1125 | if (syserr_cb) |
592 | syserr_cb (msg); |
1126 | syserr_cb (msg); |
593 | else |
1127 | else |
594 | { |
1128 | { |
595 | #if EV_AVOID_STDIO |
1129 | #if EV_AVOID_STDIO |
596 | const char *err = strerror (errno); |
|
|
597 | |
|
|
598 | ev_printerr (msg); |
1130 | ev_printerr (msg); |
599 | ev_printerr (": "); |
1131 | ev_printerr (": "); |
600 | ev_printerr (err); |
1132 | ev_printerr (strerror (errno)); |
601 | ev_printerr ("\n"); |
1133 | ev_printerr ("\n"); |
602 | #else |
1134 | #else |
603 | perror (msg); |
1135 | perror (msg); |
604 | #endif |
1136 | #endif |
605 | abort (); |
1137 | abort (); |
… | |
… | |
623 | free (ptr); |
1155 | free (ptr); |
624 | return 0; |
1156 | return 0; |
625 | #endif |
1157 | #endif |
626 | } |
1158 | } |
627 | |
1159 | |
628 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
1160 | static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul; |
629 | |
1161 | |
630 | void |
1162 | void ecb_cold |
631 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
1163 | ev_set_allocator (void *(*cb)(void *ptr, long size)) EV_THROW |
632 | { |
1164 | { |
633 | alloc = cb; |
1165 | alloc = cb; |
634 | } |
1166 | } |
635 | |
1167 | |
636 | inline_speed void * |
1168 | inline_speed void * |
… | |
… | |
639 | ptr = alloc (ptr, size); |
1171 | ptr = alloc (ptr, size); |
640 | |
1172 | |
641 | if (!ptr && size) |
1173 | if (!ptr && size) |
642 | { |
1174 | { |
643 | #if EV_AVOID_STDIO |
1175 | #if EV_AVOID_STDIO |
644 | ev_printerr ("libev: memory allocation failed, aborting.\n"); |
1176 | ev_printerr ("(libev) memory allocation failed, aborting.\n"); |
645 | #else |
1177 | #else |
646 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
1178 | fprintf (stderr, "(libev) cannot allocate %ld bytes, aborting.", size); |
647 | #endif |
1179 | #endif |
648 | abort (); |
1180 | abort (); |
649 | } |
1181 | } |
650 | |
1182 | |
651 | return ptr; |
1183 | return ptr; |
… | |
… | |
724 | #undef VAR |
1256 | #undef VAR |
725 | }; |
1257 | }; |
726 | #include "ev_wrap.h" |
1258 | #include "ev_wrap.h" |
727 | |
1259 | |
728 | static struct ev_loop default_loop_struct; |
1260 | static struct ev_loop default_loop_struct; |
729 | struct ev_loop *ev_default_loop_ptr; |
1261 | EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */ |
730 | |
1262 | |
731 | #else |
1263 | #else |
732 | |
1264 | |
733 | ev_tstamp ev_rt_now; |
1265 | EV_API_DECL ev_tstamp ev_rt_now = 0; /* needs to be initialised to make it a definition despite extern */ |
734 | #define VAR(name,decl) static decl; |
1266 | #define VAR(name,decl) static decl; |
735 | #include "ev_vars.h" |
1267 | #include "ev_vars.h" |
736 | #undef VAR |
1268 | #undef VAR |
737 | |
1269 | |
738 | static int ev_default_loop_ptr; |
1270 | static int ev_default_loop_ptr; |
… | |
… | |
753 | |
1285 | |
754 | /*****************************************************************************/ |
1286 | /*****************************************************************************/ |
755 | |
1287 | |
756 | #ifndef EV_HAVE_EV_TIME |
1288 | #ifndef EV_HAVE_EV_TIME |
757 | ev_tstamp |
1289 | ev_tstamp |
758 | ev_time (void) |
1290 | ev_time (void) EV_THROW |
759 | { |
1291 | { |
760 | #if EV_USE_REALTIME |
1292 | #if EV_USE_REALTIME |
761 | if (expect_true (have_realtime)) |
1293 | if (expect_true (have_realtime)) |
762 | { |
1294 | { |
763 | struct timespec ts; |
1295 | struct timespec ts; |
… | |
… | |
787 | return ev_time (); |
1319 | return ev_time (); |
788 | } |
1320 | } |
789 | |
1321 | |
790 | #if EV_MULTIPLICITY |
1322 | #if EV_MULTIPLICITY |
791 | ev_tstamp |
1323 | ev_tstamp |
792 | ev_now (EV_P) |
1324 | ev_now (EV_P) EV_THROW |
793 | { |
1325 | { |
794 | return ev_rt_now; |
1326 | return ev_rt_now; |
795 | } |
1327 | } |
796 | #endif |
1328 | #endif |
797 | |
1329 | |
798 | void |
1330 | void |
799 | ev_sleep (ev_tstamp delay) |
1331 | ev_sleep (ev_tstamp delay) EV_THROW |
800 | { |
1332 | { |
801 | if (delay > 0.) |
1333 | if (delay > 0.) |
802 | { |
1334 | { |
803 | #if EV_USE_NANOSLEEP |
1335 | #if EV_USE_NANOSLEEP |
804 | struct timespec ts; |
1336 | struct timespec ts; |
805 | |
1337 | |
806 | EV_TS_SET (ts, delay); |
1338 | EV_TS_SET (ts, delay); |
807 | nanosleep (&ts, 0); |
1339 | nanosleep (&ts, 0); |
808 | #elif defined(_WIN32) |
1340 | #elif defined _WIN32 |
809 | Sleep ((unsigned long)(delay * 1e3)); |
1341 | Sleep ((unsigned long)(delay * 1e3)); |
810 | #else |
1342 | #else |
811 | struct timeval tv; |
1343 | struct timeval tv; |
812 | |
1344 | |
813 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
1345 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
… | |
… | |
832 | |
1364 | |
833 | do |
1365 | do |
834 | ncur <<= 1; |
1366 | ncur <<= 1; |
835 | while (cnt > ncur); |
1367 | while (cnt > ncur); |
836 | |
1368 | |
837 | /* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */ |
1369 | /* if size is large, round to MALLOC_ROUND - 4 * longs to accommodate malloc overhead */ |
838 | if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) |
1370 | if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) |
839 | { |
1371 | { |
840 | ncur *= elem; |
1372 | ncur *= elem; |
841 | ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1); |
1373 | ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1); |
842 | ncur = ncur - sizeof (void *) * 4; |
1374 | ncur = ncur - sizeof (void *) * 4; |
… | |
… | |
844 | } |
1376 | } |
845 | |
1377 | |
846 | return ncur; |
1378 | return ncur; |
847 | } |
1379 | } |
848 | |
1380 | |
849 | static noinline void * |
1381 | static void * noinline ecb_cold |
850 | array_realloc (int elem, void *base, int *cur, int cnt) |
1382 | array_realloc (int elem, void *base, int *cur, int cnt) |
851 | { |
1383 | { |
852 | *cur = array_nextsize (elem, *cur, cnt); |
1384 | *cur = array_nextsize (elem, *cur, cnt); |
853 | return ev_realloc (base, elem * *cur); |
1385 | return ev_realloc (base, elem * *cur); |
854 | } |
1386 | } |
… | |
… | |
857 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
1389 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
858 | |
1390 | |
859 | #define array_needsize(type,base,cur,cnt,init) \ |
1391 | #define array_needsize(type,base,cur,cnt,init) \ |
860 | if (expect_false ((cnt) > (cur))) \ |
1392 | if (expect_false ((cnt) > (cur))) \ |
861 | { \ |
1393 | { \ |
862 | int ocur_ = (cur); \ |
1394 | int ecb_unused ocur_ = (cur); \ |
863 | (base) = (type *)array_realloc \ |
1395 | (base) = (type *)array_realloc \ |
864 | (sizeof (type), (base), &(cur), (cnt)); \ |
1396 | (sizeof (type), (base), &(cur), (cnt)); \ |
865 | init ((base) + (ocur_), (cur) - ocur_); \ |
1397 | init ((base) + (ocur_), (cur) - ocur_); \ |
866 | } |
1398 | } |
867 | |
1399 | |
… | |
… | |
885 | pendingcb (EV_P_ ev_prepare *w, int revents) |
1417 | pendingcb (EV_P_ ev_prepare *w, int revents) |
886 | { |
1418 | { |
887 | } |
1419 | } |
888 | |
1420 | |
889 | void noinline |
1421 | void noinline |
890 | ev_feed_event (EV_P_ void *w, int revents) |
1422 | ev_feed_event (EV_P_ void *w, int revents) EV_THROW |
891 | { |
1423 | { |
892 | W w_ = (W)w; |
1424 | W w_ = (W)w; |
893 | int pri = ABSPRI (w_); |
1425 | int pri = ABSPRI (w_); |
894 | |
1426 | |
895 | if (expect_false (w_->pending)) |
1427 | if (expect_false (w_->pending)) |
… | |
… | |
899 | w_->pending = ++pendingcnt [pri]; |
1431 | w_->pending = ++pendingcnt [pri]; |
900 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
1432 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
901 | pendings [pri][w_->pending - 1].w = w_; |
1433 | pendings [pri][w_->pending - 1].w = w_; |
902 | pendings [pri][w_->pending - 1].events = revents; |
1434 | pendings [pri][w_->pending - 1].events = revents; |
903 | } |
1435 | } |
|
|
1436 | |
|
|
1437 | pendingpri = NUMPRI - 1; |
904 | } |
1438 | } |
905 | |
1439 | |
906 | inline_speed void |
1440 | inline_speed void |
907 | feed_reverse (EV_P_ W w) |
1441 | feed_reverse (EV_P_ W w) |
908 | { |
1442 | { |
… | |
… | |
954 | if (expect_true (!anfd->reify)) |
1488 | if (expect_true (!anfd->reify)) |
955 | fd_event_nocheck (EV_A_ fd, revents); |
1489 | fd_event_nocheck (EV_A_ fd, revents); |
956 | } |
1490 | } |
957 | |
1491 | |
958 | void |
1492 | void |
959 | ev_feed_fd_event (EV_P_ int fd, int revents) |
1493 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW |
960 | { |
1494 | { |
961 | if (fd >= 0 && fd < anfdmax) |
1495 | if (fd >= 0 && fd < anfdmax) |
962 | fd_event_nocheck (EV_A_ fd, revents); |
1496 | fd_event_nocheck (EV_A_ fd, revents); |
963 | } |
1497 | } |
964 | |
1498 | |
… | |
… | |
967 | inline_size void |
1501 | inline_size void |
968 | fd_reify (EV_P) |
1502 | fd_reify (EV_P) |
969 | { |
1503 | { |
970 | int i; |
1504 | int i; |
971 | |
1505 | |
|
|
1506 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
|
|
1507 | for (i = 0; i < fdchangecnt; ++i) |
|
|
1508 | { |
|
|
1509 | int fd = fdchanges [i]; |
|
|
1510 | ANFD *anfd = anfds + fd; |
|
|
1511 | |
|
|
1512 | if (anfd->reify & EV__IOFDSET && anfd->head) |
|
|
1513 | { |
|
|
1514 | SOCKET handle = EV_FD_TO_WIN32_HANDLE (fd); |
|
|
1515 | |
|
|
1516 | if (handle != anfd->handle) |
|
|
1517 | { |
|
|
1518 | unsigned long arg; |
|
|
1519 | |
|
|
1520 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (handle, FIONREAD, &arg) == 0)); |
|
|
1521 | |
|
|
1522 | /* handle changed, but fd didn't - we need to do it in two steps */ |
|
|
1523 | backend_modify (EV_A_ fd, anfd->events, 0); |
|
|
1524 | anfd->events = 0; |
|
|
1525 | anfd->handle = handle; |
|
|
1526 | } |
|
|
1527 | } |
|
|
1528 | } |
|
|
1529 | #endif |
|
|
1530 | |
972 | for (i = 0; i < fdchangecnt; ++i) |
1531 | for (i = 0; i < fdchangecnt; ++i) |
973 | { |
1532 | { |
974 | int fd = fdchanges [i]; |
1533 | int fd = fdchanges [i]; |
975 | ANFD *anfd = anfds + fd; |
1534 | ANFD *anfd = anfds + fd; |
976 | ev_io *w; |
1535 | ev_io *w; |
… | |
… | |
978 | unsigned char o_events = anfd->events; |
1537 | unsigned char o_events = anfd->events; |
979 | unsigned char o_reify = anfd->reify; |
1538 | unsigned char o_reify = anfd->reify; |
980 | |
1539 | |
981 | anfd->reify = 0; |
1540 | anfd->reify = 0; |
982 | |
1541 | |
983 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
|
|
984 | if (o_reify & EV__IOFDSET) |
|
|
985 | { |
|
|
986 | unsigned long arg; |
|
|
987 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
|
|
988 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
|
|
989 | printf ("oi %d %x\n", fd, anfd->handle);//D |
|
|
990 | } |
|
|
991 | #endif |
|
|
992 | |
|
|
993 | /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
1542 | /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
994 | { |
1543 | { |
995 | anfd->events = 0; |
1544 | anfd->events = 0; |
996 | |
1545 | |
997 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
1546 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
… | |
… | |
1022 | fdchanges [fdchangecnt - 1] = fd; |
1571 | fdchanges [fdchangecnt - 1] = fd; |
1023 | } |
1572 | } |
1024 | } |
1573 | } |
1025 | |
1574 | |
1026 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
1575 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
1027 | inline_speed void |
1576 | inline_speed void ecb_cold |
1028 | fd_kill (EV_P_ int fd) |
1577 | fd_kill (EV_P_ int fd) |
1029 | { |
1578 | { |
1030 | ev_io *w; |
1579 | ev_io *w; |
1031 | |
1580 | |
1032 | while ((w = (ev_io *)anfds [fd].head)) |
1581 | while ((w = (ev_io *)anfds [fd].head)) |
… | |
… | |
1035 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
1584 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
1036 | } |
1585 | } |
1037 | } |
1586 | } |
1038 | |
1587 | |
1039 | /* check whether the given fd is actually valid, for error recovery */ |
1588 | /* check whether the given fd is actually valid, for error recovery */ |
1040 | inline_size int |
1589 | inline_size int ecb_cold |
1041 | fd_valid (int fd) |
1590 | fd_valid (int fd) |
1042 | { |
1591 | { |
1043 | #ifdef _WIN32 |
1592 | #ifdef _WIN32 |
1044 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
1593 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
1045 | #else |
1594 | #else |
1046 | return fcntl (fd, F_GETFD) != -1; |
1595 | return fcntl (fd, F_GETFD) != -1; |
1047 | #endif |
1596 | #endif |
1048 | } |
1597 | } |
1049 | |
1598 | |
1050 | /* called on EBADF to verify fds */ |
1599 | /* called on EBADF to verify fds */ |
1051 | static void noinline |
1600 | static void noinline ecb_cold |
1052 | fd_ebadf (EV_P) |
1601 | fd_ebadf (EV_P) |
1053 | { |
1602 | { |
1054 | int fd; |
1603 | int fd; |
1055 | |
1604 | |
1056 | for (fd = 0; fd < anfdmax; ++fd) |
1605 | for (fd = 0; fd < anfdmax; ++fd) |
… | |
… | |
1058 | if (!fd_valid (fd) && errno == EBADF) |
1607 | if (!fd_valid (fd) && errno == EBADF) |
1059 | fd_kill (EV_A_ fd); |
1608 | fd_kill (EV_A_ fd); |
1060 | } |
1609 | } |
1061 | |
1610 | |
1062 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
1611 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
1063 | static void noinline |
1612 | static void noinline ecb_cold |
1064 | fd_enomem (EV_P) |
1613 | fd_enomem (EV_P) |
1065 | { |
1614 | { |
1066 | int fd; |
1615 | int fd; |
1067 | |
1616 | |
1068 | for (fd = anfdmax; fd--; ) |
1617 | for (fd = anfdmax; fd--; ) |
… | |
… | |
1263 | |
1812 | |
1264 | /*****************************************************************************/ |
1813 | /*****************************************************************************/ |
1265 | |
1814 | |
1266 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1815 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1267 | |
1816 | |
1268 | static void noinline |
1817 | static void noinline ecb_cold |
1269 | evpipe_init (EV_P) |
1818 | evpipe_init (EV_P) |
1270 | { |
1819 | { |
1271 | if (!ev_is_active (&pipe_w)) |
1820 | if (!ev_is_active (&pipe_w)) |
1272 | { |
1821 | { |
1273 | # if EV_USE_EVENTFD |
1822 | # if EV_USE_EVENTFD |
… | |
… | |
1295 | ev_io_start (EV_A_ &pipe_w); |
1844 | ev_io_start (EV_A_ &pipe_w); |
1296 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
1845 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
1297 | } |
1846 | } |
1298 | } |
1847 | } |
1299 | |
1848 | |
1300 | inline_size void |
1849 | inline_speed void |
1301 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1850 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1302 | { |
1851 | { |
1303 | if (!*flag) |
1852 | ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */ |
|
|
1853 | |
|
|
1854 | if (expect_true (*flag)) |
|
|
1855 | return; |
|
|
1856 | |
|
|
1857 | *flag = 1; |
|
|
1858 | |
|
|
1859 | ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ |
|
|
1860 | |
|
|
1861 | pipe_write_skipped = 1; |
|
|
1862 | |
|
|
1863 | ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */ |
|
|
1864 | |
|
|
1865 | if (pipe_write_wanted) |
1304 | { |
1866 | { |
|
|
1867 | int old_errno; |
|
|
1868 | |
|
|
1869 | pipe_write_skipped = 0; /* just an optimisation, no fence needed */ |
|
|
1870 | |
1305 | int old_errno = errno; /* save errno because write might clobber it */ |
1871 | old_errno = errno; /* save errno because write will clobber it */ |
1306 | char dummy; |
|
|
1307 | |
|
|
1308 | *flag = 1; |
|
|
1309 | |
1872 | |
1310 | #if EV_USE_EVENTFD |
1873 | #if EV_USE_EVENTFD |
1311 | if (evfd >= 0) |
1874 | if (evfd >= 0) |
1312 | { |
1875 | { |
1313 | uint64_t counter = 1; |
1876 | uint64_t counter = 1; |
1314 | write (evfd, &counter, sizeof (uint64_t)); |
1877 | write (evfd, &counter, sizeof (uint64_t)); |
1315 | } |
1878 | } |
1316 | else |
1879 | else |
1317 | #endif |
1880 | #endif |
1318 | /* win32 people keep sending patches that change this write() to send() */ |
1881 | { |
1319 | /* and then run away. but send() is wrong, it wants a socket handle on win32 */ |
1882 | #ifdef _WIN32 |
1320 | /* so when you think this write should be a send instead, please find out */ |
1883 | WSABUF buf; |
1321 | /* where your send() is from - it's definitely not the microsoft send, and */ |
1884 | DWORD sent; |
1322 | /* tell me. thank you. */ |
1885 | buf.buf = &buf; |
|
|
1886 | buf.len = 1; |
|
|
1887 | WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0); |
|
|
1888 | #else |
1323 | write (evpipe [1], &dummy, 1); |
1889 | write (evpipe [1], &(evpipe [1]), 1); |
|
|
1890 | #endif |
|
|
1891 | } |
1324 | |
1892 | |
1325 | errno = old_errno; |
1893 | errno = old_errno; |
1326 | } |
1894 | } |
1327 | } |
1895 | } |
1328 | |
1896 | |
… | |
… | |
1331 | static void |
1899 | static void |
1332 | pipecb (EV_P_ ev_io *iow, int revents) |
1900 | pipecb (EV_P_ ev_io *iow, int revents) |
1333 | { |
1901 | { |
1334 | int i; |
1902 | int i; |
1335 | |
1903 | |
|
|
1904 | if (revents & EV_READ) |
|
|
1905 | { |
1336 | #if EV_USE_EVENTFD |
1906 | #if EV_USE_EVENTFD |
1337 | if (evfd >= 0) |
1907 | if (evfd >= 0) |
1338 | { |
1908 | { |
1339 | uint64_t counter; |
1909 | uint64_t counter; |
1340 | read (evfd, &counter, sizeof (uint64_t)); |
1910 | read (evfd, &counter, sizeof (uint64_t)); |
1341 | } |
1911 | } |
1342 | else |
1912 | else |
1343 | #endif |
1913 | #endif |
1344 | { |
1914 | { |
1345 | char dummy; |
1915 | char dummy[4]; |
1346 | /* see discussion in evpipe_write when you think this read should be recv in win32 */ |
1916 | #ifdef _WIN32 |
|
|
1917 | WSABUF buf; |
|
|
1918 | DWORD recvd; |
|
|
1919 | buf.buf = dummy; |
|
|
1920 | buf.len = sizeof (dummy); |
|
|
1921 | WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, 0, 0, 0); |
|
|
1922 | #else |
1347 | read (evpipe [0], &dummy, 1); |
1923 | read (evpipe [0], &dummy, sizeof (dummy)); |
|
|
1924 | #endif |
|
|
1925 | } |
1348 | } |
1926 | } |
1349 | |
1927 | |
|
|
1928 | pipe_write_skipped = 0; |
|
|
1929 | |
|
|
1930 | ECB_MEMORY_FENCE; /* push out skipped, acquire flags */ |
|
|
1931 | |
|
|
1932 | #if EV_SIGNAL_ENABLE |
1350 | if (sig_pending) |
1933 | if (sig_pending) |
1351 | { |
1934 | { |
1352 | sig_pending = 0; |
1935 | sig_pending = 0; |
|
|
1936 | |
|
|
1937 | ECB_MEMORY_FENCE_RELEASE; |
1353 | |
1938 | |
1354 | for (i = EV_NSIG - 1; i--; ) |
1939 | for (i = EV_NSIG - 1; i--; ) |
1355 | if (expect_false (signals [i].pending)) |
1940 | if (expect_false (signals [i].pending)) |
1356 | ev_feed_signal_event (EV_A_ i + 1); |
1941 | ev_feed_signal_event (EV_A_ i + 1); |
1357 | } |
1942 | } |
|
|
1943 | #endif |
1358 | |
1944 | |
1359 | #if EV_ASYNC_ENABLE |
1945 | #if EV_ASYNC_ENABLE |
1360 | if (async_pending) |
1946 | if (async_pending) |
1361 | { |
1947 | { |
1362 | async_pending = 0; |
1948 | async_pending = 0; |
|
|
1949 | |
|
|
1950 | ECB_MEMORY_FENCE_RELEASE; |
1363 | |
1951 | |
1364 | for (i = asynccnt; i--; ) |
1952 | for (i = asynccnt; i--; ) |
1365 | if (asyncs [i]->sent) |
1953 | if (asyncs [i]->sent) |
1366 | { |
1954 | { |
1367 | asyncs [i]->sent = 0; |
1955 | asyncs [i]->sent = 0; |
… | |
… | |
1371 | #endif |
1959 | #endif |
1372 | } |
1960 | } |
1373 | |
1961 | |
1374 | /*****************************************************************************/ |
1962 | /*****************************************************************************/ |
1375 | |
1963 | |
|
|
1964 | void |
|
|
1965 | ev_feed_signal (int signum) EV_THROW |
|
|
1966 | { |
|
|
1967 | #if EV_MULTIPLICITY |
|
|
1968 | EV_P = signals [signum - 1].loop; |
|
|
1969 | |
|
|
1970 | if (!EV_A) |
|
|
1971 | return; |
|
|
1972 | #endif |
|
|
1973 | |
|
|
1974 | if (!ev_active (&pipe_w)) |
|
|
1975 | return; |
|
|
1976 | |
|
|
1977 | signals [signum - 1].pending = 1; |
|
|
1978 | evpipe_write (EV_A_ &sig_pending); |
|
|
1979 | } |
|
|
1980 | |
1376 | static void |
1981 | static void |
1377 | ev_sighandler (int signum) |
1982 | ev_sighandler (int signum) |
1378 | { |
1983 | { |
1379 | #if EV_MULTIPLICITY |
|
|
1380 | EV_P = signals [signum - 1].loop; |
|
|
1381 | #endif |
|
|
1382 | |
|
|
1383 | #ifdef _WIN32 |
1984 | #ifdef _WIN32 |
1384 | signal (signum, ev_sighandler); |
1985 | signal (signum, ev_sighandler); |
1385 | #endif |
1986 | #endif |
1386 | |
1987 | |
1387 | signals [signum - 1].pending = 1; |
1988 | ev_feed_signal (signum); |
1388 | evpipe_write (EV_A_ &sig_pending); |
|
|
1389 | } |
1989 | } |
1390 | |
1990 | |
1391 | void noinline |
1991 | void noinline |
1392 | ev_feed_signal_event (EV_P_ int signum) |
1992 | ev_feed_signal_event (EV_P_ int signum) EV_THROW |
1393 | { |
1993 | { |
1394 | WL w; |
1994 | WL w; |
1395 | |
1995 | |
1396 | if (expect_false (signum <= 0 || signum > EV_NSIG)) |
1996 | if (expect_false (signum <= 0 || signum > EV_NSIG)) |
1397 | return; |
1997 | return; |
… | |
… | |
1512 | #endif |
2112 | #endif |
1513 | #if EV_USE_SELECT |
2113 | #if EV_USE_SELECT |
1514 | # include "ev_select.c" |
2114 | # include "ev_select.c" |
1515 | #endif |
2115 | #endif |
1516 | |
2116 | |
1517 | int |
2117 | int ecb_cold |
1518 | ev_version_major (void) |
2118 | ev_version_major (void) EV_THROW |
1519 | { |
2119 | { |
1520 | return EV_VERSION_MAJOR; |
2120 | return EV_VERSION_MAJOR; |
1521 | } |
2121 | } |
1522 | |
2122 | |
1523 | int |
2123 | int ecb_cold |
1524 | ev_version_minor (void) |
2124 | ev_version_minor (void) EV_THROW |
1525 | { |
2125 | { |
1526 | return EV_VERSION_MINOR; |
2126 | return EV_VERSION_MINOR; |
1527 | } |
2127 | } |
1528 | |
2128 | |
1529 | /* return true if we are running with elevated privileges and should ignore env variables */ |
2129 | /* return true if we are running with elevated privileges and should ignore env variables */ |
1530 | int inline_size |
2130 | int inline_size ecb_cold |
1531 | enable_secure (void) |
2131 | enable_secure (void) |
1532 | { |
2132 | { |
1533 | #ifdef _WIN32 |
2133 | #ifdef _WIN32 |
1534 | return 0; |
2134 | return 0; |
1535 | #else |
2135 | #else |
1536 | return getuid () != geteuid () |
2136 | return getuid () != geteuid () |
1537 | || getgid () != getegid (); |
2137 | || getgid () != getegid (); |
1538 | #endif |
2138 | #endif |
1539 | } |
2139 | } |
1540 | |
2140 | |
1541 | unsigned int |
2141 | unsigned int ecb_cold |
1542 | ev_supported_backends (void) |
2142 | ev_supported_backends (void) EV_THROW |
1543 | { |
2143 | { |
1544 | unsigned int flags = 0; |
2144 | unsigned int flags = 0; |
1545 | |
2145 | |
1546 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2146 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
1547 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
2147 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
… | |
… | |
1550 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
2150 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
1551 | |
2151 | |
1552 | return flags; |
2152 | return flags; |
1553 | } |
2153 | } |
1554 | |
2154 | |
1555 | unsigned int |
2155 | unsigned int ecb_cold |
1556 | ev_recommended_backends (void) |
2156 | ev_recommended_backends (void) EV_THROW |
1557 | { |
2157 | { |
1558 | unsigned int flags = ev_supported_backends (); |
2158 | unsigned int flags = ev_supported_backends (); |
1559 | |
2159 | |
1560 | #ifndef __NetBSD__ |
2160 | #ifndef __NetBSD__ |
1561 | /* kqueue is borked on everything but netbsd apparently */ |
2161 | /* kqueue is borked on everything but netbsd apparently */ |
… | |
… | |
1572 | #endif |
2172 | #endif |
1573 | |
2173 | |
1574 | return flags; |
2174 | return flags; |
1575 | } |
2175 | } |
1576 | |
2176 | |
1577 | unsigned int |
2177 | unsigned int ecb_cold |
1578 | ev_embeddable_backends (void) |
2178 | ev_embeddable_backends (void) EV_THROW |
1579 | { |
2179 | { |
1580 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
2180 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
1581 | |
2181 | |
1582 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2182 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
1583 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
2183 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
… | |
… | |
1585 | |
2185 | |
1586 | return flags; |
2186 | return flags; |
1587 | } |
2187 | } |
1588 | |
2188 | |
1589 | unsigned int |
2189 | unsigned int |
1590 | ev_backend (EV_P) |
2190 | ev_backend (EV_P) EV_THROW |
1591 | { |
2191 | { |
1592 | return backend; |
2192 | return backend; |
1593 | } |
2193 | } |
1594 | |
2194 | |
1595 | #if EV_FEATURE_API |
2195 | #if EV_FEATURE_API |
1596 | unsigned int |
2196 | unsigned int |
1597 | ev_iteration (EV_P) |
2197 | ev_iteration (EV_P) EV_THROW |
1598 | { |
2198 | { |
1599 | return loop_count; |
2199 | return loop_count; |
1600 | } |
2200 | } |
1601 | |
2201 | |
1602 | unsigned int |
2202 | unsigned int |
1603 | ev_depth (EV_P) |
2203 | ev_depth (EV_P) EV_THROW |
1604 | { |
2204 | { |
1605 | return loop_depth; |
2205 | return loop_depth; |
1606 | } |
2206 | } |
1607 | |
2207 | |
1608 | void |
2208 | void |
1609 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
2209 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
1610 | { |
2210 | { |
1611 | io_blocktime = interval; |
2211 | io_blocktime = interval; |
1612 | } |
2212 | } |
1613 | |
2213 | |
1614 | void |
2214 | void |
1615 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
2215 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
1616 | { |
2216 | { |
1617 | timeout_blocktime = interval; |
2217 | timeout_blocktime = interval; |
1618 | } |
2218 | } |
1619 | |
2219 | |
1620 | void |
2220 | void |
1621 | ev_set_userdata (EV_P_ void *data) |
2221 | ev_set_userdata (EV_P_ void *data) EV_THROW |
1622 | { |
2222 | { |
1623 | userdata = data; |
2223 | userdata = data; |
1624 | } |
2224 | } |
1625 | |
2225 | |
1626 | void * |
2226 | void * |
1627 | ev_userdata (EV_P) |
2227 | ev_userdata (EV_P) EV_THROW |
1628 | { |
2228 | { |
1629 | return userdata; |
2229 | return userdata; |
1630 | } |
2230 | } |
1631 | |
2231 | |
|
|
2232 | void |
1632 | void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) |
2233 | ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW |
1633 | { |
2234 | { |
1634 | invoke_cb = invoke_pending_cb; |
2235 | invoke_cb = invoke_pending_cb; |
1635 | } |
2236 | } |
1636 | |
2237 | |
|
|
2238 | void |
1637 | void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) |
2239 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW |
1638 | { |
2240 | { |
1639 | release_cb = release; |
2241 | release_cb = release; |
1640 | acquire_cb = acquire; |
2242 | acquire_cb = acquire; |
1641 | } |
2243 | } |
1642 | #endif |
2244 | #endif |
1643 | |
2245 | |
1644 | /* initialise a loop structure, must be zero-initialised */ |
2246 | /* initialise a loop structure, must be zero-initialised */ |
1645 | static void noinline |
2247 | static void noinline ecb_cold |
1646 | loop_init (EV_P_ unsigned int flags) |
2248 | loop_init (EV_P_ unsigned int flags) EV_THROW |
1647 | { |
2249 | { |
1648 | if (!backend) |
2250 | if (!backend) |
1649 | { |
2251 | { |
|
|
2252 | origflags = flags; |
|
|
2253 | |
1650 | #if EV_USE_REALTIME |
2254 | #if EV_USE_REALTIME |
1651 | if (!have_realtime) |
2255 | if (!have_realtime) |
1652 | { |
2256 | { |
1653 | struct timespec ts; |
2257 | struct timespec ts; |
1654 | |
2258 | |
… | |
… | |
1676 | if (!(flags & EVFLAG_NOENV) |
2280 | if (!(flags & EVFLAG_NOENV) |
1677 | && !enable_secure () |
2281 | && !enable_secure () |
1678 | && getenv ("LIBEV_FLAGS")) |
2282 | && getenv ("LIBEV_FLAGS")) |
1679 | flags = atoi (getenv ("LIBEV_FLAGS")); |
2283 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1680 | |
2284 | |
1681 | ev_rt_now = ev_time (); |
2285 | ev_rt_now = ev_time (); |
1682 | mn_now = get_clock (); |
2286 | mn_now = get_clock (); |
1683 | now_floor = mn_now; |
2287 | now_floor = mn_now; |
1684 | rtmn_diff = ev_rt_now - mn_now; |
2288 | rtmn_diff = ev_rt_now - mn_now; |
1685 | #if EV_FEATURE_API |
2289 | #if EV_FEATURE_API |
1686 | invoke_cb = ev_invoke_pending; |
2290 | invoke_cb = ev_invoke_pending; |
1687 | #endif |
2291 | #endif |
1688 | |
2292 | |
1689 | io_blocktime = 0.; |
2293 | io_blocktime = 0.; |
1690 | timeout_blocktime = 0.; |
2294 | timeout_blocktime = 0.; |
1691 | backend = 0; |
2295 | backend = 0; |
1692 | backend_fd = -1; |
2296 | backend_fd = -1; |
1693 | sig_pending = 0; |
2297 | sig_pending = 0; |
1694 | #if EV_ASYNC_ENABLE |
2298 | #if EV_ASYNC_ENABLE |
1695 | async_pending = 0; |
2299 | async_pending = 0; |
1696 | #endif |
2300 | #endif |
|
|
2301 | pipe_write_skipped = 0; |
|
|
2302 | pipe_write_wanted = 0; |
1697 | #if EV_USE_INOTIFY |
2303 | #if EV_USE_INOTIFY |
1698 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
2304 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
1699 | #endif |
2305 | #endif |
1700 | #if EV_USE_SIGNALFD |
2306 | #if EV_USE_SIGNALFD |
1701 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
2307 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
1702 | #endif |
2308 | #endif |
1703 | |
2309 | |
1704 | if (!(flags & 0x0000ffffU)) |
2310 | if (!(flags & EVBACKEND_MASK)) |
1705 | flags |= ev_recommended_backends (); |
2311 | flags |= ev_recommended_backends (); |
1706 | |
2312 | |
1707 | #if EV_USE_IOCP |
2313 | #if EV_USE_IOCP |
1708 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
2314 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
1709 | #endif |
2315 | #endif |
… | |
… | |
1731 | #endif |
2337 | #endif |
1732 | } |
2338 | } |
1733 | } |
2339 | } |
1734 | |
2340 | |
1735 | /* free up a loop structure */ |
2341 | /* free up a loop structure */ |
1736 | void |
2342 | void ecb_cold |
1737 | ev_loop_destroy (EV_P) |
2343 | ev_loop_destroy (EV_P) |
1738 | { |
2344 | { |
1739 | int i; |
2345 | int i; |
|
|
2346 | |
|
|
2347 | #if EV_MULTIPLICITY |
|
|
2348 | /* mimic free (0) */ |
|
|
2349 | if (!EV_A) |
|
|
2350 | return; |
|
|
2351 | #endif |
|
|
2352 | |
|
|
2353 | #if EV_CLEANUP_ENABLE |
|
|
2354 | /* queue cleanup watchers (and execute them) */ |
|
|
2355 | if (expect_false (cleanupcnt)) |
|
|
2356 | { |
|
|
2357 | queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP); |
|
|
2358 | EV_INVOKE_PENDING; |
|
|
2359 | } |
|
|
2360 | #endif |
1740 | |
2361 | |
1741 | #if EV_CHILD_ENABLE |
2362 | #if EV_CHILD_ENABLE |
1742 | if (ev_is_active (&childev)) |
2363 | if (ev_is_active (&childev)) |
1743 | { |
2364 | { |
1744 | ev_ref (EV_A); /* child watcher */ |
2365 | ev_ref (EV_A); /* child watcher */ |
… | |
… | |
1856 | infy_fork (EV_A); |
2477 | infy_fork (EV_A); |
1857 | #endif |
2478 | #endif |
1858 | |
2479 | |
1859 | if (ev_is_active (&pipe_w)) |
2480 | if (ev_is_active (&pipe_w)) |
1860 | { |
2481 | { |
1861 | /* this "locks" the handlers against writing to the pipe */ |
2482 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
1862 | /* while we modify the fd vars */ |
|
|
1863 | sig_pending = 1; |
|
|
1864 | #if EV_ASYNC_ENABLE |
|
|
1865 | async_pending = 1; |
|
|
1866 | #endif |
|
|
1867 | |
2483 | |
1868 | ev_ref (EV_A); |
2484 | ev_ref (EV_A); |
1869 | ev_io_stop (EV_A_ &pipe_w); |
2485 | ev_io_stop (EV_A_ &pipe_w); |
1870 | |
2486 | |
1871 | #if EV_USE_EVENTFD |
2487 | #if EV_USE_EVENTFD |
… | |
… | |
1889 | postfork = 0; |
2505 | postfork = 0; |
1890 | } |
2506 | } |
1891 | |
2507 | |
1892 | #if EV_MULTIPLICITY |
2508 | #if EV_MULTIPLICITY |
1893 | |
2509 | |
1894 | struct ev_loop * |
2510 | struct ev_loop * ecb_cold |
1895 | ev_loop_new (unsigned int flags) |
2511 | ev_loop_new (unsigned int flags) EV_THROW |
1896 | { |
2512 | { |
1897 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
2513 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1898 | |
2514 | |
1899 | memset (EV_A, 0, sizeof (struct ev_loop)); |
2515 | memset (EV_A, 0, sizeof (struct ev_loop)); |
1900 | loop_init (EV_A_ flags); |
2516 | loop_init (EV_A_ flags); |
… | |
… | |
1907 | } |
2523 | } |
1908 | |
2524 | |
1909 | #endif /* multiplicity */ |
2525 | #endif /* multiplicity */ |
1910 | |
2526 | |
1911 | #if EV_VERIFY |
2527 | #if EV_VERIFY |
1912 | static void noinline |
2528 | static void noinline ecb_cold |
1913 | verify_watcher (EV_P_ W w) |
2529 | verify_watcher (EV_P_ W w) |
1914 | { |
2530 | { |
1915 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
2531 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
1916 | |
2532 | |
1917 | if (w->pending) |
2533 | if (w->pending) |
1918 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
2534 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
1919 | } |
2535 | } |
1920 | |
2536 | |
1921 | static void noinline |
2537 | static void noinline ecb_cold |
1922 | verify_heap (EV_P_ ANHE *heap, int N) |
2538 | verify_heap (EV_P_ ANHE *heap, int N) |
1923 | { |
2539 | { |
1924 | int i; |
2540 | int i; |
1925 | |
2541 | |
1926 | for (i = HEAP0; i < N + HEAP0; ++i) |
2542 | for (i = HEAP0; i < N + HEAP0; ++i) |
… | |
… | |
1931 | |
2547 | |
1932 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
2548 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
1933 | } |
2549 | } |
1934 | } |
2550 | } |
1935 | |
2551 | |
1936 | static void noinline |
2552 | static void noinline ecb_cold |
1937 | array_verify (EV_P_ W *ws, int cnt) |
2553 | array_verify (EV_P_ W *ws, int cnt) |
1938 | { |
2554 | { |
1939 | while (cnt--) |
2555 | while (cnt--) |
1940 | { |
2556 | { |
1941 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
2557 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
… | |
… | |
1943 | } |
2559 | } |
1944 | } |
2560 | } |
1945 | #endif |
2561 | #endif |
1946 | |
2562 | |
1947 | #if EV_FEATURE_API |
2563 | #if EV_FEATURE_API |
1948 | void |
2564 | void ecb_cold |
1949 | ev_verify (EV_P) |
2565 | ev_verify (EV_P) EV_THROW |
1950 | { |
2566 | { |
1951 | #if EV_VERIFY |
2567 | #if EV_VERIFY |
1952 | int i; |
2568 | int i; |
1953 | WL w; |
2569 | WL w, w2; |
1954 | |
2570 | |
1955 | assert (activecnt >= -1); |
2571 | assert (activecnt >= -1); |
1956 | |
2572 | |
1957 | assert (fdchangemax >= fdchangecnt); |
2573 | assert (fdchangemax >= fdchangecnt); |
1958 | for (i = 0; i < fdchangecnt; ++i) |
2574 | for (i = 0; i < fdchangecnt; ++i) |
1959 | assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); |
2575 | assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); |
1960 | |
2576 | |
1961 | assert (anfdmax >= 0); |
2577 | assert (anfdmax >= 0); |
1962 | for (i = 0; i < anfdmax; ++i) |
2578 | for (i = 0; i < anfdmax; ++i) |
|
|
2579 | { |
|
|
2580 | int j = 0; |
|
|
2581 | |
1963 | for (w = anfds [i].head; w; w = w->next) |
2582 | for (w = w2 = anfds [i].head; w; w = w->next) |
1964 | { |
2583 | { |
1965 | verify_watcher (EV_A_ (W)w); |
2584 | verify_watcher (EV_A_ (W)w); |
|
|
2585 | |
|
|
2586 | if (j++ & 1) |
|
|
2587 | { |
|
|
2588 | assert (("libev: io watcher list contains a loop", w != w2)); |
|
|
2589 | w2 = w2->next; |
|
|
2590 | } |
|
|
2591 | |
1966 | assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); |
2592 | assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); |
1967 | assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
2593 | assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
1968 | } |
2594 | } |
|
|
2595 | } |
1969 | |
2596 | |
1970 | assert (timermax >= timercnt); |
2597 | assert (timermax >= timercnt); |
1971 | verify_heap (EV_A_ timers, timercnt); |
2598 | verify_heap (EV_A_ timers, timercnt); |
1972 | |
2599 | |
1973 | #if EV_PERIODIC_ENABLE |
2600 | #if EV_PERIODIC_ENABLE |
… | |
… | |
2019 | #endif |
2646 | #endif |
2020 | } |
2647 | } |
2021 | #endif |
2648 | #endif |
2022 | |
2649 | |
2023 | #if EV_MULTIPLICITY |
2650 | #if EV_MULTIPLICITY |
2024 | struct ev_loop * |
2651 | struct ev_loop * ecb_cold |
2025 | #else |
2652 | #else |
2026 | int |
2653 | int |
2027 | #endif |
2654 | #endif |
2028 | ev_default_loop (unsigned int flags) |
2655 | ev_default_loop (unsigned int flags) EV_THROW |
2029 | { |
2656 | { |
2030 | if (!ev_default_loop_ptr) |
2657 | if (!ev_default_loop_ptr) |
2031 | { |
2658 | { |
2032 | #if EV_MULTIPLICITY |
2659 | #if EV_MULTIPLICITY |
2033 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
2660 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
… | |
… | |
2052 | |
2679 | |
2053 | return ev_default_loop_ptr; |
2680 | return ev_default_loop_ptr; |
2054 | } |
2681 | } |
2055 | |
2682 | |
2056 | void |
2683 | void |
2057 | ev_loop_fork (EV_P) |
2684 | ev_loop_fork (EV_P) EV_THROW |
2058 | { |
2685 | { |
2059 | postfork = 1; /* must be in line with ev_default_fork */ |
2686 | postfork = 1; /* must be in line with ev_default_fork */ |
2060 | } |
2687 | } |
2061 | |
2688 | |
2062 | /*****************************************************************************/ |
2689 | /*****************************************************************************/ |
… | |
… | |
2066 | { |
2693 | { |
2067 | EV_CB_INVOKE ((W)w, revents); |
2694 | EV_CB_INVOKE ((W)w, revents); |
2068 | } |
2695 | } |
2069 | |
2696 | |
2070 | unsigned int |
2697 | unsigned int |
2071 | ev_pending_count (EV_P) |
2698 | ev_pending_count (EV_P) EV_THROW |
2072 | { |
2699 | { |
2073 | int pri; |
2700 | int pri; |
2074 | unsigned int count = 0; |
2701 | unsigned int count = 0; |
2075 | |
2702 | |
2076 | for (pri = NUMPRI; pri--; ) |
2703 | for (pri = NUMPRI; pri--; ) |
… | |
… | |
2080 | } |
2707 | } |
2081 | |
2708 | |
2082 | void noinline |
2709 | void noinline |
2083 | ev_invoke_pending (EV_P) |
2710 | ev_invoke_pending (EV_P) |
2084 | { |
2711 | { |
2085 | int pri; |
2712 | for (pendingpri = NUMPRI; pendingpri--; ) /* pendingpri is modified during the loop */ |
2086 | |
|
|
2087 | for (pri = NUMPRI; pri--; ) |
|
|
2088 | while (pendingcnt [pri]) |
2713 | while (pendingcnt [pendingpri]) |
2089 | { |
2714 | { |
2090 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
2715 | ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri]; |
2091 | |
|
|
2092 | /*assert (("libev: non-pending watcher on pending list", p->w->pending));*/ |
|
|
2093 | /* ^ this is no longer true, as pending_w could be here */ |
|
|
2094 | |
2716 | |
2095 | p->w->pending = 0; |
2717 | p->w->pending = 0; |
2096 | EV_CB_INVOKE (p->w, p->events); |
2718 | EV_CB_INVOKE (p->w, p->events); |
2097 | EV_FREQUENT_CHECK; |
2719 | EV_FREQUENT_CHECK; |
2098 | } |
2720 | } |
… | |
… | |
2160 | feed_reverse_done (EV_A_ EV_TIMER); |
2782 | feed_reverse_done (EV_A_ EV_TIMER); |
2161 | } |
2783 | } |
2162 | } |
2784 | } |
2163 | |
2785 | |
2164 | #if EV_PERIODIC_ENABLE |
2786 | #if EV_PERIODIC_ENABLE |
|
|
2787 | |
|
|
2788 | static void noinline |
|
|
2789 | periodic_recalc (EV_P_ ev_periodic *w) |
|
|
2790 | { |
|
|
2791 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
|
|
2792 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
|
|
2793 | |
|
|
2794 | /* the above almost always errs on the low side */ |
|
|
2795 | while (at <= ev_rt_now) |
|
|
2796 | { |
|
|
2797 | ev_tstamp nat = at + w->interval; |
|
|
2798 | |
|
|
2799 | /* when resolution fails us, we use ev_rt_now */ |
|
|
2800 | if (expect_false (nat == at)) |
|
|
2801 | { |
|
|
2802 | at = ev_rt_now; |
|
|
2803 | break; |
|
|
2804 | } |
|
|
2805 | |
|
|
2806 | at = nat; |
|
|
2807 | } |
|
|
2808 | |
|
|
2809 | ev_at (w) = at; |
|
|
2810 | } |
|
|
2811 | |
2165 | /* make periodics pending */ |
2812 | /* make periodics pending */ |
2166 | inline_size void |
2813 | inline_size void |
2167 | periodics_reify (EV_P) |
2814 | periodics_reify (EV_P) |
2168 | { |
2815 | { |
2169 | EV_FREQUENT_CHECK; |
2816 | EV_FREQUENT_CHECK; |
… | |
… | |
2188 | ANHE_at_cache (periodics [HEAP0]); |
2835 | ANHE_at_cache (periodics [HEAP0]); |
2189 | downheap (periodics, periodiccnt, HEAP0); |
2836 | downheap (periodics, periodiccnt, HEAP0); |
2190 | } |
2837 | } |
2191 | else if (w->interval) |
2838 | else if (w->interval) |
2192 | { |
2839 | { |
2193 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
2840 | periodic_recalc (EV_A_ w); |
2194 | /* if next trigger time is not sufficiently in the future, put it there */ |
|
|
2195 | /* this might happen because of floating point inexactness */ |
|
|
2196 | if (ev_at (w) - ev_rt_now < TIME_EPSILON) |
|
|
2197 | { |
|
|
2198 | ev_at (w) += w->interval; |
|
|
2199 | |
|
|
2200 | /* if interval is unreasonably low we might still have a time in the past */ |
|
|
2201 | /* so correct this. this will make the periodic very inexact, but the user */ |
|
|
2202 | /* has effectively asked to get triggered more often than possible */ |
|
|
2203 | if (ev_at (w) < ev_rt_now) |
|
|
2204 | ev_at (w) = ev_rt_now; |
|
|
2205 | } |
|
|
2206 | |
|
|
2207 | ANHE_at_cache (periodics [HEAP0]); |
2841 | ANHE_at_cache (periodics [HEAP0]); |
2208 | downheap (periodics, periodiccnt, HEAP0); |
2842 | downheap (periodics, periodiccnt, HEAP0); |
2209 | } |
2843 | } |
2210 | else |
2844 | else |
2211 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
2845 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
… | |
… | |
2219 | } |
2853 | } |
2220 | } |
2854 | } |
2221 | |
2855 | |
2222 | /* simply recalculate all periodics */ |
2856 | /* simply recalculate all periodics */ |
2223 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
2857 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
2224 | static void noinline |
2858 | static void noinline ecb_cold |
2225 | periodics_reschedule (EV_P) |
2859 | periodics_reschedule (EV_P) |
2226 | { |
2860 | { |
2227 | int i; |
2861 | int i; |
2228 | |
2862 | |
2229 | /* adjust periodics after time jump */ |
2863 | /* adjust periodics after time jump */ |
… | |
… | |
2232 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]); |
2866 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]); |
2233 | |
2867 | |
2234 | if (w->reschedule_cb) |
2868 | if (w->reschedule_cb) |
2235 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2869 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2236 | else if (w->interval) |
2870 | else if (w->interval) |
2237 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
2871 | periodic_recalc (EV_A_ w); |
2238 | |
2872 | |
2239 | ANHE_at_cache (periodics [i]); |
2873 | ANHE_at_cache (periodics [i]); |
2240 | } |
2874 | } |
2241 | |
2875 | |
2242 | reheap (periodics, periodiccnt); |
2876 | reheap (periodics, periodiccnt); |
2243 | } |
2877 | } |
2244 | #endif |
2878 | #endif |
2245 | |
2879 | |
2246 | /* adjust all timers by a given offset */ |
2880 | /* adjust all timers by a given offset */ |
2247 | static void noinline |
2881 | static void noinline ecb_cold |
2248 | timers_reschedule (EV_P_ ev_tstamp adjust) |
2882 | timers_reschedule (EV_P_ ev_tstamp adjust) |
2249 | { |
2883 | { |
2250 | int i; |
2884 | int i; |
2251 | |
2885 | |
2252 | for (i = 0; i < timercnt; ++i) |
2886 | for (i = 0; i < timercnt; ++i) |
… | |
… | |
2289 | * doesn't hurt either as we only do this on time-jumps or |
2923 | * doesn't hurt either as we only do this on time-jumps or |
2290 | * in the unlikely event of having been preempted here. |
2924 | * in the unlikely event of having been preempted here. |
2291 | */ |
2925 | */ |
2292 | for (i = 4; --i; ) |
2926 | for (i = 4; --i; ) |
2293 | { |
2927 | { |
|
|
2928 | ev_tstamp diff; |
2294 | rtmn_diff = ev_rt_now - mn_now; |
2929 | rtmn_diff = ev_rt_now - mn_now; |
2295 | |
2930 | |
|
|
2931 | diff = odiff - rtmn_diff; |
|
|
2932 | |
2296 | if (expect_true (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)) |
2933 | if (expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP)) |
2297 | return; /* all is well */ |
2934 | return; /* all is well */ |
2298 | |
2935 | |
2299 | ev_rt_now = ev_time (); |
2936 | ev_rt_now = ev_time (); |
2300 | mn_now = get_clock (); |
2937 | mn_now = get_clock (); |
2301 | now_floor = mn_now; |
2938 | now_floor = mn_now; |
… | |
… | |
2323 | |
2960 | |
2324 | mn_now = ev_rt_now; |
2961 | mn_now = ev_rt_now; |
2325 | } |
2962 | } |
2326 | } |
2963 | } |
2327 | |
2964 | |
2328 | void |
2965 | int |
2329 | ev_run (EV_P_ int flags) |
2966 | ev_run (EV_P_ int flags) |
2330 | { |
2967 | { |
2331 | #if EV_FEATURE_API |
2968 | #if EV_FEATURE_API |
2332 | ++loop_depth; |
2969 | ++loop_depth; |
2333 | #endif |
2970 | #endif |
… | |
… | |
2391 | ev_tstamp prev_mn_now = mn_now; |
3028 | ev_tstamp prev_mn_now = mn_now; |
2392 | |
3029 | |
2393 | /* update time to cancel out callback processing overhead */ |
3030 | /* update time to cancel out callback processing overhead */ |
2394 | time_update (EV_A_ 1e100); |
3031 | time_update (EV_A_ 1e100); |
2395 | |
3032 | |
|
|
3033 | /* from now on, we want a pipe-wake-up */ |
|
|
3034 | pipe_write_wanted = 1; |
|
|
3035 | |
|
|
3036 | ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */ |
|
|
3037 | |
2396 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt))) |
3038 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) |
2397 | { |
3039 | { |
2398 | waittime = MAX_BLOCKTIME; |
3040 | waittime = MAX_BLOCKTIME; |
2399 | |
3041 | |
2400 | if (timercnt) |
3042 | if (timercnt) |
2401 | { |
3043 | { |
2402 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
3044 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now; |
2403 | if (waittime > to) waittime = to; |
3045 | if (waittime > to) waittime = to; |
2404 | } |
3046 | } |
2405 | |
3047 | |
2406 | #if EV_PERIODIC_ENABLE |
3048 | #if EV_PERIODIC_ENABLE |
2407 | if (periodiccnt) |
3049 | if (periodiccnt) |
2408 | { |
3050 | { |
2409 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; |
3051 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now; |
2410 | if (waittime > to) waittime = to; |
3052 | if (waittime > to) waittime = to; |
2411 | } |
3053 | } |
2412 | #endif |
3054 | #endif |
2413 | |
3055 | |
2414 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
3056 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
2415 | if (expect_false (waittime < timeout_blocktime)) |
3057 | if (expect_false (waittime < timeout_blocktime)) |
2416 | waittime = timeout_blocktime; |
3058 | waittime = timeout_blocktime; |
|
|
3059 | |
|
|
3060 | /* at this point, we NEED to wait, so we have to ensure */ |
|
|
3061 | /* to pass a minimum nonzero value to the backend */ |
|
|
3062 | if (expect_false (waittime < backend_mintime)) |
|
|
3063 | waittime = backend_mintime; |
2417 | |
3064 | |
2418 | /* extra check because io_blocktime is commonly 0 */ |
3065 | /* extra check because io_blocktime is commonly 0 */ |
2419 | if (expect_false (io_blocktime)) |
3066 | if (expect_false (io_blocktime)) |
2420 | { |
3067 | { |
2421 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
3068 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
2422 | |
3069 | |
2423 | if (sleeptime > waittime - backend_fudge) |
3070 | if (sleeptime > waittime - backend_mintime) |
2424 | sleeptime = waittime - backend_fudge; |
3071 | sleeptime = waittime - backend_mintime; |
2425 | |
3072 | |
2426 | if (expect_true (sleeptime > 0.)) |
3073 | if (expect_true (sleeptime > 0.)) |
2427 | { |
3074 | { |
2428 | ev_sleep (sleeptime); |
3075 | ev_sleep (sleeptime); |
2429 | waittime -= sleeptime; |
3076 | waittime -= sleeptime; |
… | |
… | |
2436 | #endif |
3083 | #endif |
2437 | assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ |
3084 | assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ |
2438 | backend_poll (EV_A_ waittime); |
3085 | backend_poll (EV_A_ waittime); |
2439 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
3086 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
2440 | |
3087 | |
|
|
3088 | pipe_write_wanted = 0; /* just an optimisation, no fence needed */ |
|
|
3089 | |
|
|
3090 | if (pipe_write_skipped) |
|
|
3091 | { |
|
|
3092 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
|
|
3093 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
|
|
3094 | } |
|
|
3095 | |
|
|
3096 | |
2441 | /* update ev_rt_now, do magic */ |
3097 | /* update ev_rt_now, do magic */ |
2442 | time_update (EV_A_ waittime + sleeptime); |
3098 | time_update (EV_A_ waittime + sleeptime); |
2443 | } |
3099 | } |
2444 | |
3100 | |
2445 | /* queue pending timers and reschedule them */ |
3101 | /* queue pending timers and reschedule them */ |
… | |
… | |
2471 | loop_done = EVBREAK_CANCEL; |
3127 | loop_done = EVBREAK_CANCEL; |
2472 | |
3128 | |
2473 | #if EV_FEATURE_API |
3129 | #if EV_FEATURE_API |
2474 | --loop_depth; |
3130 | --loop_depth; |
2475 | #endif |
3131 | #endif |
|
|
3132 | |
|
|
3133 | return activecnt; |
2476 | } |
3134 | } |
2477 | |
3135 | |
2478 | void |
3136 | void |
2479 | ev_break (EV_P_ int how) |
3137 | ev_break (EV_P_ int how) EV_THROW |
2480 | { |
3138 | { |
2481 | loop_done = how; |
3139 | loop_done = how; |
2482 | } |
3140 | } |
2483 | |
3141 | |
2484 | void |
3142 | void |
2485 | ev_ref (EV_P) |
3143 | ev_ref (EV_P) EV_THROW |
2486 | { |
3144 | { |
2487 | ++activecnt; |
3145 | ++activecnt; |
2488 | } |
3146 | } |
2489 | |
3147 | |
2490 | void |
3148 | void |
2491 | ev_unref (EV_P) |
3149 | ev_unref (EV_P) EV_THROW |
2492 | { |
3150 | { |
2493 | --activecnt; |
3151 | --activecnt; |
2494 | } |
3152 | } |
2495 | |
3153 | |
2496 | void |
3154 | void |
2497 | ev_now_update (EV_P) |
3155 | ev_now_update (EV_P) EV_THROW |
2498 | { |
3156 | { |
2499 | time_update (EV_A_ 1e100); |
3157 | time_update (EV_A_ 1e100); |
2500 | } |
3158 | } |
2501 | |
3159 | |
2502 | void |
3160 | void |
2503 | ev_suspend (EV_P) |
3161 | ev_suspend (EV_P) EV_THROW |
2504 | { |
3162 | { |
2505 | ev_now_update (EV_A); |
3163 | ev_now_update (EV_A); |
2506 | } |
3164 | } |
2507 | |
3165 | |
2508 | void |
3166 | void |
2509 | ev_resume (EV_P) |
3167 | ev_resume (EV_P) EV_THROW |
2510 | { |
3168 | { |
2511 | ev_tstamp mn_prev = mn_now; |
3169 | ev_tstamp mn_prev = mn_now; |
2512 | |
3170 | |
2513 | ev_now_update (EV_A); |
3171 | ev_now_update (EV_A); |
2514 | timers_reschedule (EV_A_ mn_now - mn_prev); |
3172 | timers_reschedule (EV_A_ mn_now - mn_prev); |
… | |
… | |
2553 | w->pending = 0; |
3211 | w->pending = 0; |
2554 | } |
3212 | } |
2555 | } |
3213 | } |
2556 | |
3214 | |
2557 | int |
3215 | int |
2558 | ev_clear_pending (EV_P_ void *w) |
3216 | ev_clear_pending (EV_P_ void *w) EV_THROW |
2559 | { |
3217 | { |
2560 | W w_ = (W)w; |
3218 | W w_ = (W)w; |
2561 | int pending = w_->pending; |
3219 | int pending = w_->pending; |
2562 | |
3220 | |
2563 | if (expect_true (pending)) |
3221 | if (expect_true (pending)) |
… | |
… | |
2596 | } |
3254 | } |
2597 | |
3255 | |
2598 | /*****************************************************************************/ |
3256 | /*****************************************************************************/ |
2599 | |
3257 | |
2600 | void noinline |
3258 | void noinline |
2601 | ev_io_start (EV_P_ ev_io *w) |
3259 | ev_io_start (EV_P_ ev_io *w) EV_THROW |
2602 | { |
3260 | { |
2603 | int fd = w->fd; |
3261 | int fd = w->fd; |
2604 | |
3262 | |
2605 | if (expect_false (ev_is_active (w))) |
3263 | if (expect_false (ev_is_active (w))) |
2606 | return; |
3264 | return; |
… | |
… | |
2612 | |
3270 | |
2613 | ev_start (EV_A_ (W)w, 1); |
3271 | ev_start (EV_A_ (W)w, 1); |
2614 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
3272 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
2615 | wlist_add (&anfds[fd].head, (WL)w); |
3273 | wlist_add (&anfds[fd].head, (WL)w); |
2616 | |
3274 | |
|
|
3275 | /* common bug, apparently */ |
|
|
3276 | assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w)); |
|
|
3277 | |
2617 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); |
3278 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); |
2618 | w->events &= ~EV__IOFDSET; |
3279 | w->events &= ~EV__IOFDSET; |
2619 | |
3280 | |
2620 | EV_FREQUENT_CHECK; |
3281 | EV_FREQUENT_CHECK; |
2621 | } |
3282 | } |
2622 | |
3283 | |
2623 | void noinline |
3284 | void noinline |
2624 | ev_io_stop (EV_P_ ev_io *w) |
3285 | ev_io_stop (EV_P_ ev_io *w) EV_THROW |
2625 | { |
3286 | { |
2626 | clear_pending (EV_A_ (W)w); |
3287 | clear_pending (EV_A_ (W)w); |
2627 | if (expect_false (!ev_is_active (w))) |
3288 | if (expect_false (!ev_is_active (w))) |
2628 | return; |
3289 | return; |
2629 | |
3290 | |
… | |
… | |
2638 | |
3299 | |
2639 | EV_FREQUENT_CHECK; |
3300 | EV_FREQUENT_CHECK; |
2640 | } |
3301 | } |
2641 | |
3302 | |
2642 | void noinline |
3303 | void noinline |
2643 | ev_timer_start (EV_P_ ev_timer *w) |
3304 | ev_timer_start (EV_P_ ev_timer *w) EV_THROW |
2644 | { |
3305 | { |
2645 | if (expect_false (ev_is_active (w))) |
3306 | if (expect_false (ev_is_active (w))) |
2646 | return; |
3307 | return; |
2647 | |
3308 | |
2648 | ev_at (w) += mn_now; |
3309 | ev_at (w) += mn_now; |
… | |
… | |
2662 | |
3323 | |
2663 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
3324 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
2664 | } |
3325 | } |
2665 | |
3326 | |
2666 | void noinline |
3327 | void noinline |
2667 | ev_timer_stop (EV_P_ ev_timer *w) |
3328 | ev_timer_stop (EV_P_ ev_timer *w) EV_THROW |
2668 | { |
3329 | { |
2669 | clear_pending (EV_A_ (W)w); |
3330 | clear_pending (EV_A_ (W)w); |
2670 | if (expect_false (!ev_is_active (w))) |
3331 | if (expect_false (!ev_is_active (w))) |
2671 | return; |
3332 | return; |
2672 | |
3333 | |
… | |
… | |
2692 | |
3353 | |
2693 | EV_FREQUENT_CHECK; |
3354 | EV_FREQUENT_CHECK; |
2694 | } |
3355 | } |
2695 | |
3356 | |
2696 | void noinline |
3357 | void noinline |
2697 | ev_timer_again (EV_P_ ev_timer *w) |
3358 | ev_timer_again (EV_P_ ev_timer *w) EV_THROW |
2698 | { |
3359 | { |
2699 | EV_FREQUENT_CHECK; |
3360 | EV_FREQUENT_CHECK; |
|
|
3361 | |
|
|
3362 | clear_pending (EV_A_ (W)w); |
2700 | |
3363 | |
2701 | if (ev_is_active (w)) |
3364 | if (ev_is_active (w)) |
2702 | { |
3365 | { |
2703 | if (w->repeat) |
3366 | if (w->repeat) |
2704 | { |
3367 | { |
… | |
… | |
2717 | |
3380 | |
2718 | EV_FREQUENT_CHECK; |
3381 | EV_FREQUENT_CHECK; |
2719 | } |
3382 | } |
2720 | |
3383 | |
2721 | ev_tstamp |
3384 | ev_tstamp |
2722 | ev_timer_remaining (EV_P_ ev_timer *w) |
3385 | ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW |
2723 | { |
3386 | { |
2724 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
3387 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
2725 | } |
3388 | } |
2726 | |
3389 | |
2727 | #if EV_PERIODIC_ENABLE |
3390 | #if EV_PERIODIC_ENABLE |
2728 | void noinline |
3391 | void noinline |
2729 | ev_periodic_start (EV_P_ ev_periodic *w) |
3392 | ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW |
2730 | { |
3393 | { |
2731 | if (expect_false (ev_is_active (w))) |
3394 | if (expect_false (ev_is_active (w))) |
2732 | return; |
3395 | return; |
2733 | |
3396 | |
2734 | if (w->reschedule_cb) |
3397 | if (w->reschedule_cb) |
2735 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
3398 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2736 | else if (w->interval) |
3399 | else if (w->interval) |
2737 | { |
3400 | { |
2738 | assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.)); |
3401 | assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.)); |
2739 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
3402 | periodic_recalc (EV_A_ w); |
2740 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
2741 | } |
3403 | } |
2742 | else |
3404 | else |
2743 | ev_at (w) = w->offset; |
3405 | ev_at (w) = w->offset; |
2744 | |
3406 | |
2745 | EV_FREQUENT_CHECK; |
3407 | EV_FREQUENT_CHECK; |
… | |
… | |
2755 | |
3417 | |
2756 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
3418 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
2757 | } |
3419 | } |
2758 | |
3420 | |
2759 | void noinline |
3421 | void noinline |
2760 | ev_periodic_stop (EV_P_ ev_periodic *w) |
3422 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW |
2761 | { |
3423 | { |
2762 | clear_pending (EV_A_ (W)w); |
3424 | clear_pending (EV_A_ (W)w); |
2763 | if (expect_false (!ev_is_active (w))) |
3425 | if (expect_false (!ev_is_active (w))) |
2764 | return; |
3426 | return; |
2765 | |
3427 | |
… | |
… | |
2783 | |
3445 | |
2784 | EV_FREQUENT_CHECK; |
3446 | EV_FREQUENT_CHECK; |
2785 | } |
3447 | } |
2786 | |
3448 | |
2787 | void noinline |
3449 | void noinline |
2788 | ev_periodic_again (EV_P_ ev_periodic *w) |
3450 | ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW |
2789 | { |
3451 | { |
2790 | /* TODO: use adjustheap and recalculation */ |
3452 | /* TODO: use adjustheap and recalculation */ |
2791 | ev_periodic_stop (EV_A_ w); |
3453 | ev_periodic_stop (EV_A_ w); |
2792 | ev_periodic_start (EV_A_ w); |
3454 | ev_periodic_start (EV_A_ w); |
2793 | } |
3455 | } |
… | |
… | |
2798 | #endif |
3460 | #endif |
2799 | |
3461 | |
2800 | #if EV_SIGNAL_ENABLE |
3462 | #if EV_SIGNAL_ENABLE |
2801 | |
3463 | |
2802 | void noinline |
3464 | void noinline |
2803 | ev_signal_start (EV_P_ ev_signal *w) |
3465 | ev_signal_start (EV_P_ ev_signal *w) EV_THROW |
2804 | { |
3466 | { |
2805 | if (expect_false (ev_is_active (w))) |
3467 | if (expect_false (ev_is_active (w))) |
2806 | return; |
3468 | return; |
2807 | |
3469 | |
2808 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
3470 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
… | |
… | |
2866 | sa.sa_handler = ev_sighandler; |
3528 | sa.sa_handler = ev_sighandler; |
2867 | sigfillset (&sa.sa_mask); |
3529 | sigfillset (&sa.sa_mask); |
2868 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
3530 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2869 | sigaction (w->signum, &sa, 0); |
3531 | sigaction (w->signum, &sa, 0); |
2870 | |
3532 | |
|
|
3533 | if (origflags & EVFLAG_NOSIGMASK) |
|
|
3534 | { |
2871 | sigemptyset (&sa.sa_mask); |
3535 | sigemptyset (&sa.sa_mask); |
2872 | sigaddset (&sa.sa_mask, w->signum); |
3536 | sigaddset (&sa.sa_mask, w->signum); |
2873 | sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0); |
3537 | sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0); |
|
|
3538 | } |
2874 | #endif |
3539 | #endif |
2875 | } |
3540 | } |
2876 | |
3541 | |
2877 | EV_FREQUENT_CHECK; |
3542 | EV_FREQUENT_CHECK; |
2878 | } |
3543 | } |
2879 | |
3544 | |
2880 | void noinline |
3545 | void noinline |
2881 | ev_signal_stop (EV_P_ ev_signal *w) |
3546 | ev_signal_stop (EV_P_ ev_signal *w) EV_THROW |
2882 | { |
3547 | { |
2883 | clear_pending (EV_A_ (W)w); |
3548 | clear_pending (EV_A_ (W)w); |
2884 | if (expect_false (!ev_is_active (w))) |
3549 | if (expect_false (!ev_is_active (w))) |
2885 | return; |
3550 | return; |
2886 | |
3551 | |
… | |
… | |
2917 | #endif |
3582 | #endif |
2918 | |
3583 | |
2919 | #if EV_CHILD_ENABLE |
3584 | #if EV_CHILD_ENABLE |
2920 | |
3585 | |
2921 | void |
3586 | void |
2922 | ev_child_start (EV_P_ ev_child *w) |
3587 | ev_child_start (EV_P_ ev_child *w) EV_THROW |
2923 | { |
3588 | { |
2924 | #if EV_MULTIPLICITY |
3589 | #if EV_MULTIPLICITY |
2925 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
3590 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2926 | #endif |
3591 | #endif |
2927 | if (expect_false (ev_is_active (w))) |
3592 | if (expect_false (ev_is_active (w))) |
… | |
… | |
2934 | |
3599 | |
2935 | EV_FREQUENT_CHECK; |
3600 | EV_FREQUENT_CHECK; |
2936 | } |
3601 | } |
2937 | |
3602 | |
2938 | void |
3603 | void |
2939 | ev_child_stop (EV_P_ ev_child *w) |
3604 | ev_child_stop (EV_P_ ev_child *w) EV_THROW |
2940 | { |
3605 | { |
2941 | clear_pending (EV_A_ (W)w); |
3606 | clear_pending (EV_A_ (W)w); |
2942 | if (expect_false (!ev_is_active (w))) |
3607 | if (expect_false (!ev_is_active (w))) |
2943 | return; |
3608 | return; |
2944 | |
3609 | |
… | |
… | |
3019 | if (!pend || pend == path) |
3684 | if (!pend || pend == path) |
3020 | break; |
3685 | break; |
3021 | |
3686 | |
3022 | *pend = 0; |
3687 | *pend = 0; |
3023 | w->wd = inotify_add_watch (fs_fd, path, mask); |
3688 | w->wd = inotify_add_watch (fs_fd, path, mask); |
3024 | } |
3689 | } |
3025 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
3690 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
3026 | } |
3691 | } |
3027 | } |
3692 | } |
3028 | |
3693 | |
3029 | if (w->wd >= 0) |
3694 | if (w->wd >= 0) |
… | |
… | |
3096 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
3761 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
3097 | ofs += sizeof (struct inotify_event) + ev->len; |
3762 | ofs += sizeof (struct inotify_event) + ev->len; |
3098 | } |
3763 | } |
3099 | } |
3764 | } |
3100 | |
3765 | |
3101 | inline_size void |
3766 | inline_size void ecb_cold |
3102 | ev_check_2625 (EV_P) |
3767 | ev_check_2625 (EV_P) |
3103 | { |
3768 | { |
3104 | /* kernels < 2.6.25 are borked |
3769 | /* kernels < 2.6.25 are borked |
3105 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
3770 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
3106 | */ |
3771 | */ |
… | |
… | |
3111 | } |
3776 | } |
3112 | |
3777 | |
3113 | inline_size int |
3778 | inline_size int |
3114 | infy_newfd (void) |
3779 | infy_newfd (void) |
3115 | { |
3780 | { |
3116 | #if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) |
3781 | #if defined IN_CLOEXEC && defined IN_NONBLOCK |
3117 | int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); |
3782 | int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); |
3118 | if (fd >= 0) |
3783 | if (fd >= 0) |
3119 | return fd; |
3784 | return fd; |
3120 | #endif |
3785 | #endif |
3121 | return inotify_init (); |
3786 | return inotify_init (); |
… | |
… | |
3196 | #else |
3861 | #else |
3197 | # define EV_LSTAT(p,b) lstat (p, b) |
3862 | # define EV_LSTAT(p,b) lstat (p, b) |
3198 | #endif |
3863 | #endif |
3199 | |
3864 | |
3200 | void |
3865 | void |
3201 | ev_stat_stat (EV_P_ ev_stat *w) |
3866 | ev_stat_stat (EV_P_ ev_stat *w) EV_THROW |
3202 | { |
3867 | { |
3203 | if (lstat (w->path, &w->attr) < 0) |
3868 | if (lstat (w->path, &w->attr) < 0) |
3204 | w->attr.st_nlink = 0; |
3869 | w->attr.st_nlink = 0; |
3205 | else if (!w->attr.st_nlink) |
3870 | else if (!w->attr.st_nlink) |
3206 | w->attr.st_nlink = 1; |
3871 | w->attr.st_nlink = 1; |
… | |
… | |
3245 | ev_feed_event (EV_A_ w, EV_STAT); |
3910 | ev_feed_event (EV_A_ w, EV_STAT); |
3246 | } |
3911 | } |
3247 | } |
3912 | } |
3248 | |
3913 | |
3249 | void |
3914 | void |
3250 | ev_stat_start (EV_P_ ev_stat *w) |
3915 | ev_stat_start (EV_P_ ev_stat *w) EV_THROW |
3251 | { |
3916 | { |
3252 | if (expect_false (ev_is_active (w))) |
3917 | if (expect_false (ev_is_active (w))) |
3253 | return; |
3918 | return; |
3254 | |
3919 | |
3255 | ev_stat_stat (EV_A_ w); |
3920 | ev_stat_stat (EV_A_ w); |
… | |
… | |
3276 | |
3941 | |
3277 | EV_FREQUENT_CHECK; |
3942 | EV_FREQUENT_CHECK; |
3278 | } |
3943 | } |
3279 | |
3944 | |
3280 | void |
3945 | void |
3281 | ev_stat_stop (EV_P_ ev_stat *w) |
3946 | ev_stat_stop (EV_P_ ev_stat *w) EV_THROW |
3282 | { |
3947 | { |
3283 | clear_pending (EV_A_ (W)w); |
3948 | clear_pending (EV_A_ (W)w); |
3284 | if (expect_false (!ev_is_active (w))) |
3949 | if (expect_false (!ev_is_active (w))) |
3285 | return; |
3950 | return; |
3286 | |
3951 | |
… | |
… | |
3302 | } |
3967 | } |
3303 | #endif |
3968 | #endif |
3304 | |
3969 | |
3305 | #if EV_IDLE_ENABLE |
3970 | #if EV_IDLE_ENABLE |
3306 | void |
3971 | void |
3307 | ev_idle_start (EV_P_ ev_idle *w) |
3972 | ev_idle_start (EV_P_ ev_idle *w) EV_THROW |
3308 | { |
3973 | { |
3309 | if (expect_false (ev_is_active (w))) |
3974 | if (expect_false (ev_is_active (w))) |
3310 | return; |
3975 | return; |
3311 | |
3976 | |
3312 | pri_adjust (EV_A_ (W)w); |
3977 | pri_adjust (EV_A_ (W)w); |
… | |
… | |
3325 | |
3990 | |
3326 | EV_FREQUENT_CHECK; |
3991 | EV_FREQUENT_CHECK; |
3327 | } |
3992 | } |
3328 | |
3993 | |
3329 | void |
3994 | void |
3330 | ev_idle_stop (EV_P_ ev_idle *w) |
3995 | ev_idle_stop (EV_P_ ev_idle *w) EV_THROW |
3331 | { |
3996 | { |
3332 | clear_pending (EV_A_ (W)w); |
3997 | clear_pending (EV_A_ (W)w); |
3333 | if (expect_false (!ev_is_active (w))) |
3998 | if (expect_false (!ev_is_active (w))) |
3334 | return; |
3999 | return; |
3335 | |
4000 | |
… | |
… | |
3349 | } |
4014 | } |
3350 | #endif |
4015 | #endif |
3351 | |
4016 | |
3352 | #if EV_PREPARE_ENABLE |
4017 | #if EV_PREPARE_ENABLE |
3353 | void |
4018 | void |
3354 | ev_prepare_start (EV_P_ ev_prepare *w) |
4019 | ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW |
3355 | { |
4020 | { |
3356 | if (expect_false (ev_is_active (w))) |
4021 | if (expect_false (ev_is_active (w))) |
3357 | return; |
4022 | return; |
3358 | |
4023 | |
3359 | EV_FREQUENT_CHECK; |
4024 | EV_FREQUENT_CHECK; |
… | |
… | |
3364 | |
4029 | |
3365 | EV_FREQUENT_CHECK; |
4030 | EV_FREQUENT_CHECK; |
3366 | } |
4031 | } |
3367 | |
4032 | |
3368 | void |
4033 | void |
3369 | ev_prepare_stop (EV_P_ ev_prepare *w) |
4034 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW |
3370 | { |
4035 | { |
3371 | clear_pending (EV_A_ (W)w); |
4036 | clear_pending (EV_A_ (W)w); |
3372 | if (expect_false (!ev_is_active (w))) |
4037 | if (expect_false (!ev_is_active (w))) |
3373 | return; |
4038 | return; |
3374 | |
4039 | |
… | |
… | |
3387 | } |
4052 | } |
3388 | #endif |
4053 | #endif |
3389 | |
4054 | |
3390 | #if EV_CHECK_ENABLE |
4055 | #if EV_CHECK_ENABLE |
3391 | void |
4056 | void |
3392 | ev_check_start (EV_P_ ev_check *w) |
4057 | ev_check_start (EV_P_ ev_check *w) EV_THROW |
3393 | { |
4058 | { |
3394 | if (expect_false (ev_is_active (w))) |
4059 | if (expect_false (ev_is_active (w))) |
3395 | return; |
4060 | return; |
3396 | |
4061 | |
3397 | EV_FREQUENT_CHECK; |
4062 | EV_FREQUENT_CHECK; |
… | |
… | |
3402 | |
4067 | |
3403 | EV_FREQUENT_CHECK; |
4068 | EV_FREQUENT_CHECK; |
3404 | } |
4069 | } |
3405 | |
4070 | |
3406 | void |
4071 | void |
3407 | ev_check_stop (EV_P_ ev_check *w) |
4072 | ev_check_stop (EV_P_ ev_check *w) EV_THROW |
3408 | { |
4073 | { |
3409 | clear_pending (EV_A_ (W)w); |
4074 | clear_pending (EV_A_ (W)w); |
3410 | if (expect_false (!ev_is_active (w))) |
4075 | if (expect_false (!ev_is_active (w))) |
3411 | return; |
4076 | return; |
3412 | |
4077 | |
… | |
… | |
3425 | } |
4090 | } |
3426 | #endif |
4091 | #endif |
3427 | |
4092 | |
3428 | #if EV_EMBED_ENABLE |
4093 | #if EV_EMBED_ENABLE |
3429 | void noinline |
4094 | void noinline |
3430 | ev_embed_sweep (EV_P_ ev_embed *w) |
4095 | ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW |
3431 | { |
4096 | { |
3432 | ev_run (w->other, EVRUN_NOWAIT); |
4097 | ev_run (w->other, EVRUN_NOWAIT); |
3433 | } |
4098 | } |
3434 | |
4099 | |
3435 | static void |
4100 | static void |
… | |
… | |
3483 | ev_idle_stop (EV_A_ idle); |
4148 | ev_idle_stop (EV_A_ idle); |
3484 | } |
4149 | } |
3485 | #endif |
4150 | #endif |
3486 | |
4151 | |
3487 | void |
4152 | void |
3488 | ev_embed_start (EV_P_ ev_embed *w) |
4153 | ev_embed_start (EV_P_ ev_embed *w) EV_THROW |
3489 | { |
4154 | { |
3490 | if (expect_false (ev_is_active (w))) |
4155 | if (expect_false (ev_is_active (w))) |
3491 | return; |
4156 | return; |
3492 | |
4157 | |
3493 | { |
4158 | { |
… | |
… | |
3514 | |
4179 | |
3515 | EV_FREQUENT_CHECK; |
4180 | EV_FREQUENT_CHECK; |
3516 | } |
4181 | } |
3517 | |
4182 | |
3518 | void |
4183 | void |
3519 | ev_embed_stop (EV_P_ ev_embed *w) |
4184 | ev_embed_stop (EV_P_ ev_embed *w) EV_THROW |
3520 | { |
4185 | { |
3521 | clear_pending (EV_A_ (W)w); |
4186 | clear_pending (EV_A_ (W)w); |
3522 | if (expect_false (!ev_is_active (w))) |
4187 | if (expect_false (!ev_is_active (w))) |
3523 | return; |
4188 | return; |
3524 | |
4189 | |
… | |
… | |
3534 | } |
4199 | } |
3535 | #endif |
4200 | #endif |
3536 | |
4201 | |
3537 | #if EV_FORK_ENABLE |
4202 | #if EV_FORK_ENABLE |
3538 | void |
4203 | void |
3539 | ev_fork_start (EV_P_ ev_fork *w) |
4204 | ev_fork_start (EV_P_ ev_fork *w) EV_THROW |
3540 | { |
4205 | { |
3541 | if (expect_false (ev_is_active (w))) |
4206 | if (expect_false (ev_is_active (w))) |
3542 | return; |
4207 | return; |
3543 | |
4208 | |
3544 | EV_FREQUENT_CHECK; |
4209 | EV_FREQUENT_CHECK; |
… | |
… | |
3549 | |
4214 | |
3550 | EV_FREQUENT_CHECK; |
4215 | EV_FREQUENT_CHECK; |
3551 | } |
4216 | } |
3552 | |
4217 | |
3553 | void |
4218 | void |
3554 | ev_fork_stop (EV_P_ ev_fork *w) |
4219 | ev_fork_stop (EV_P_ ev_fork *w) EV_THROW |
3555 | { |
4220 | { |
3556 | clear_pending (EV_A_ (W)w); |
4221 | clear_pending (EV_A_ (W)w); |
3557 | if (expect_false (!ev_is_active (w))) |
4222 | if (expect_false (!ev_is_active (w))) |
3558 | return; |
4223 | return; |
3559 | |
4224 | |
… | |
… | |
3572 | } |
4237 | } |
3573 | #endif |
4238 | #endif |
3574 | |
4239 | |
3575 | #if EV_CLEANUP_ENABLE |
4240 | #if EV_CLEANUP_ENABLE |
3576 | void |
4241 | void |
3577 | ev_cleanup_start (EV_P_ ev_cleanup *w) |
4242 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW |
3578 | { |
4243 | { |
3579 | if (expect_false (ev_is_active (w))) |
4244 | if (expect_false (ev_is_active (w))) |
3580 | return; |
4245 | return; |
3581 | |
4246 | |
3582 | EV_FREQUENT_CHECK; |
4247 | EV_FREQUENT_CHECK; |
3583 | |
4248 | |
3584 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
4249 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
3585 | array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2); |
4250 | array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2); |
3586 | cleanups [cleanupcnt - 1] = w; |
4251 | cleanups [cleanupcnt - 1] = w; |
3587 | |
4252 | |
|
|
4253 | /* cleanup watchers should never keep a refcount on the loop */ |
|
|
4254 | ev_unref (EV_A); |
3588 | EV_FREQUENT_CHECK; |
4255 | EV_FREQUENT_CHECK; |
3589 | } |
4256 | } |
3590 | |
4257 | |
3591 | void |
4258 | void |
3592 | ev_cleanup_stop (EV_P_ ev_cleanup *w) |
4259 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW |
3593 | { |
4260 | { |
3594 | clear_pending (EV_A_ (W)w); |
4261 | clear_pending (EV_A_ (W)w); |
3595 | if (expect_false (!ev_is_active (w))) |
4262 | if (expect_false (!ev_is_active (w))) |
3596 | return; |
4263 | return; |
3597 | |
4264 | |
3598 | EV_FREQUENT_CHECK; |
4265 | EV_FREQUENT_CHECK; |
|
|
4266 | ev_ref (EV_A); |
3599 | |
4267 | |
3600 | { |
4268 | { |
3601 | int active = ev_active (w); |
4269 | int active = ev_active (w); |
3602 | |
4270 | |
3603 | cleanups [active - 1] = cleanups [--cleanupcnt]; |
4271 | cleanups [active - 1] = cleanups [--cleanupcnt]; |
… | |
… | |
3610 | } |
4278 | } |
3611 | #endif |
4279 | #endif |
3612 | |
4280 | |
3613 | #if EV_ASYNC_ENABLE |
4281 | #if EV_ASYNC_ENABLE |
3614 | void |
4282 | void |
3615 | ev_async_start (EV_P_ ev_async *w) |
4283 | ev_async_start (EV_P_ ev_async *w) EV_THROW |
3616 | { |
4284 | { |
3617 | if (expect_false (ev_is_active (w))) |
4285 | if (expect_false (ev_is_active (w))) |
3618 | return; |
4286 | return; |
3619 | |
4287 | |
3620 | w->sent = 0; |
4288 | w->sent = 0; |
… | |
… | |
3629 | |
4297 | |
3630 | EV_FREQUENT_CHECK; |
4298 | EV_FREQUENT_CHECK; |
3631 | } |
4299 | } |
3632 | |
4300 | |
3633 | void |
4301 | void |
3634 | ev_async_stop (EV_P_ ev_async *w) |
4302 | ev_async_stop (EV_P_ ev_async *w) EV_THROW |
3635 | { |
4303 | { |
3636 | clear_pending (EV_A_ (W)w); |
4304 | clear_pending (EV_A_ (W)w); |
3637 | if (expect_false (!ev_is_active (w))) |
4305 | if (expect_false (!ev_is_active (w))) |
3638 | return; |
4306 | return; |
3639 | |
4307 | |
… | |
… | |
3650 | |
4318 | |
3651 | EV_FREQUENT_CHECK; |
4319 | EV_FREQUENT_CHECK; |
3652 | } |
4320 | } |
3653 | |
4321 | |
3654 | void |
4322 | void |
3655 | ev_async_send (EV_P_ ev_async *w) |
4323 | ev_async_send (EV_P_ ev_async *w) EV_THROW |
3656 | { |
4324 | { |
3657 | w->sent = 1; |
4325 | w->sent = 1; |
3658 | evpipe_write (EV_A_ &async_pending); |
4326 | evpipe_write (EV_A_ &async_pending); |
3659 | } |
4327 | } |
3660 | #endif |
4328 | #endif |
… | |
… | |
3697 | |
4365 | |
3698 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
4366 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
3699 | } |
4367 | } |
3700 | |
4368 | |
3701 | void |
4369 | void |
3702 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
4370 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW |
3703 | { |
4371 | { |
3704 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
4372 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
3705 | |
4373 | |
3706 | if (expect_false (!once)) |
4374 | if (expect_false (!once)) |
3707 | { |
4375 | { |
… | |
… | |
3728 | } |
4396 | } |
3729 | |
4397 | |
3730 | /*****************************************************************************/ |
4398 | /*****************************************************************************/ |
3731 | |
4399 | |
3732 | #if EV_WALK_ENABLE |
4400 | #if EV_WALK_ENABLE |
3733 | void |
4401 | void ecb_cold |
3734 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) |
4402 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW |
3735 | { |
4403 | { |
3736 | int i, j; |
4404 | int i, j; |
3737 | ev_watcher_list *wl, *wn; |
4405 | ev_watcher_list *wl, *wn; |
3738 | |
4406 | |
3739 | if (types & (EV_IO | EV_EMBED)) |
4407 | if (types & (EV_IO | EV_EMBED)) |
… | |
… | |
3782 | cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i])); |
4450 | cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i])); |
3783 | #endif |
4451 | #endif |
3784 | |
4452 | |
3785 | #if EV_IDLE_ENABLE |
4453 | #if EV_IDLE_ENABLE |
3786 | if (types & EV_IDLE) |
4454 | if (types & EV_IDLE) |
3787 | for (j = NUMPRI; i--; ) |
4455 | for (j = NUMPRI; j--; ) |
3788 | for (i = idlecnt [j]; i--; ) |
4456 | for (i = idlecnt [j]; i--; ) |
3789 | cb (EV_A_ EV_IDLE, idles [j][i]); |
4457 | cb (EV_A_ EV_IDLE, idles [j][i]); |
3790 | #endif |
4458 | #endif |
3791 | |
4459 | |
3792 | #if EV_FORK_ENABLE |
4460 | #if EV_FORK_ENABLE |
… | |
… | |
3845 | |
4513 | |
3846 | #if EV_MULTIPLICITY |
4514 | #if EV_MULTIPLICITY |
3847 | #include "ev_wrap.h" |
4515 | #include "ev_wrap.h" |
3848 | #endif |
4516 | #endif |
3849 | |
4517 | |
3850 | EV_CPP(}) |
|
|
3851 | |
|
|