1 | /* |
1 | /* |
2 | * libev event processing core, watcher management |
2 | * libev event processing core, watcher management |
3 | * |
3 | * |
4 | * Copyright (c) 2007,2008,2009,2010,2011 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007,2008,2009,2010,2011,2012,2013 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 | * |
… | |
… | |
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 |
48 | # if HAVE_FLOOR |
49 | # ifndef EV_USE_FLOOR |
49 | # ifndef EV_USE_FLOOR |
50 | # define EV_USE_FLOOR 1 |
50 | # define EV_USE_FLOOR 1 |
|
|
51 | # endif |
51 | # endif |
52 | # endif |
52 | #endif |
|
|
53 | |
53 | |
54 | # if HAVE_CLOCK_SYSCALL |
54 | # if HAVE_CLOCK_SYSCALL |
55 | # ifndef EV_USE_CLOCK_SYSCALL |
55 | # ifndef EV_USE_CLOCK_SYSCALL |
56 | # define EV_USE_CLOCK_SYSCALL 1 |
56 | # define EV_USE_CLOCK_SYSCALL 1 |
57 | # ifndef EV_USE_REALTIME |
57 | # ifndef EV_USE_REALTIME |
… | |
… | |
59 | # endif |
59 | # endif |
60 | # ifndef EV_USE_MONOTONIC |
60 | # ifndef EV_USE_MONOTONIC |
61 | # define EV_USE_MONOTONIC 1 |
61 | # define EV_USE_MONOTONIC 1 |
62 | # endif |
62 | # endif |
63 | # endif |
63 | # endif |
64 | # elif !defined(EV_USE_CLOCK_SYSCALL) |
64 | # elif !defined EV_USE_CLOCK_SYSCALL |
65 | # define EV_USE_CLOCK_SYSCALL 0 |
65 | # define EV_USE_CLOCK_SYSCALL 0 |
66 | # endif |
66 | # endif |
67 | |
67 | |
68 | # if HAVE_CLOCK_GETTIME |
68 | # if HAVE_CLOCK_GETTIME |
69 | # ifndef EV_USE_MONOTONIC |
69 | # ifndef EV_USE_MONOTONIC |
… | |
… | |
183 | # include EV_H |
183 | # include EV_H |
184 | #else |
184 | #else |
185 | # include "ev.h" |
185 | # include "ev.h" |
186 | #endif |
186 | #endif |
187 | |
187 | |
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|
188 | #if EV_NO_THREADS |
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|
189 | # undef EV_NO_SMP |
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|
190 | # define EV_NO_SMP 1 |
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|
191 | # undef ECB_NO_THREADS |
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|
192 | # define ECB_NO_THREADS 1 |
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|
193 | #endif |
|
|
194 | #if EV_NO_SMP |
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|
195 | # undef EV_NO_SMP |
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|
196 | # define ECB_NO_SMP 1 |
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|
197 | #endif |
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|
198 | |
188 | #ifndef _WIN32 |
199 | #ifndef _WIN32 |
189 | # include <sys/time.h> |
200 | # include <sys/time.h> |
190 | # include <sys/wait.h> |
201 | # include <sys/wait.h> |
191 | # include <unistd.h> |
202 | # include <unistd.h> |
192 | #else |
203 | #else |
193 | # include <io.h> |
204 | # include <io.h> |
194 | # define WIN32_LEAN_AND_MEAN |
205 | # define WIN32_LEAN_AND_MEAN |
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|
206 | # include <winsock2.h> |
195 | # include <windows.h> |
207 | # include <windows.h> |
196 | # ifndef EV_SELECT_IS_WINSOCKET |
208 | # ifndef EV_SELECT_IS_WINSOCKET |
197 | # define EV_SELECT_IS_WINSOCKET 1 |
209 | # define EV_SELECT_IS_WINSOCKET 1 |
198 | # endif |
210 | # endif |
199 | # undef EV_AVOID_STDIO |
211 | # undef EV_AVOID_STDIO |
… | |
… | |
208 | #define _DARWIN_UNLIMITED_SELECT 1 |
220 | #define _DARWIN_UNLIMITED_SELECT 1 |
209 | |
221 | |
210 | /* 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 */ |
211 | |
223 | |
212 | /* try to deduce the maximum number of signals on this platform */ |
224 | /* try to deduce the maximum number of signals on this platform */ |
213 | #if defined (EV_NSIG) |
225 | #if defined EV_NSIG |
214 | /* use what's provided */ |
226 | /* use what's provided */ |
215 | #elif defined (NSIG) |
227 | #elif defined NSIG |
216 | # define EV_NSIG (NSIG) |
228 | # define EV_NSIG (NSIG) |
217 | #elif defined(_NSIG) |
229 | #elif defined _NSIG |
218 | # define EV_NSIG (_NSIG) |
230 | # define EV_NSIG (_NSIG) |
219 | #elif defined (SIGMAX) |
231 | #elif defined SIGMAX |
220 | # define EV_NSIG (SIGMAX+1) |
232 | # define EV_NSIG (SIGMAX+1) |
221 | #elif defined (SIG_MAX) |
233 | #elif defined SIG_MAX |
222 | # define EV_NSIG (SIG_MAX+1) |
234 | # define EV_NSIG (SIG_MAX+1) |
223 | #elif defined (_SIG_MAX) |
235 | #elif defined _SIG_MAX |
224 | # define EV_NSIG (_SIG_MAX+1) |
236 | # define EV_NSIG (_SIG_MAX+1) |
225 | #elif defined (MAXSIG) |
237 | #elif defined MAXSIG |
226 | # define EV_NSIG (MAXSIG+1) |
238 | # define EV_NSIG (MAXSIG+1) |
227 | #elif defined (MAX_SIG) |
239 | #elif defined MAX_SIG |
228 | # define EV_NSIG (MAX_SIG+1) |
240 | # define EV_NSIG (MAX_SIG+1) |
229 | #elif defined (SIGARRAYSIZE) |
241 | #elif defined SIGARRAYSIZE |
230 | # define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ |
242 | # define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ |
231 | #elif defined (_sys_nsig) |
243 | #elif defined _sys_nsig |
232 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
244 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
233 | #else |
245 | #else |
234 | # error "unable to find value for NSIG, please report" |
246 | # define EV_NSIG (8 * sizeof (sigset_t) + 1) |
235 | /* to make it compile regardless, just remove the above line, */ |
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|
236 | /* but consider reporting it, too! :) */ |
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|
237 | # define EV_NSIG 65 |
|
|
238 | #endif |
247 | #endif |
239 | |
248 | |
240 | #ifndef EV_USE_FLOOR |
249 | #ifndef EV_USE_FLOOR |
241 | # define EV_USE_FLOOR 0 |
250 | # define EV_USE_FLOOR 0 |
242 | #endif |
251 | #endif |
243 | |
252 | |
244 | #ifndef EV_USE_CLOCK_SYSCALL |
253 | #ifndef EV_USE_CLOCK_SYSCALL |
245 | # if __linux && __GLIBC__ >= 2 |
254 | # if __linux && __GLIBC__ == 2 && __GLIBC_MINOR__ < 17 |
246 | # define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS |
255 | # define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS |
247 | # else |
256 | # else |
248 | # define EV_USE_CLOCK_SYSCALL 0 |
257 | # define EV_USE_CLOCK_SYSCALL 0 |
249 | # endif |
258 | # endif |
250 | #endif |
259 | #endif |
251 | |
260 | |
|
|
261 | #if !(_POSIX_TIMERS > 0) |
|
|
262 | # ifndef EV_USE_MONOTONIC |
|
|
263 | # define EV_USE_MONOTONIC 0 |
|
|
264 | # endif |
|
|
265 | # ifndef EV_USE_REALTIME |
|
|
266 | # define EV_USE_REALTIME 0 |
|
|
267 | # endif |
|
|
268 | #endif |
|
|
269 | |
252 | #ifndef EV_USE_MONOTONIC |
270 | #ifndef EV_USE_MONOTONIC |
253 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
271 | # if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0 |
254 | # define EV_USE_MONOTONIC EV_FEATURE_OS |
272 | # define EV_USE_MONOTONIC EV_FEATURE_OS |
255 | # else |
273 | # else |
256 | # define EV_USE_MONOTONIC 0 |
274 | # define EV_USE_MONOTONIC 0 |
257 | # endif |
275 | # endif |
258 | #endif |
276 | #endif |
… | |
… | |
345 | |
363 | |
346 | #ifndef EV_HEAP_CACHE_AT |
364 | #ifndef EV_HEAP_CACHE_AT |
347 | # define EV_HEAP_CACHE_AT EV_FEATURE_DATA |
365 | # define EV_HEAP_CACHE_AT EV_FEATURE_DATA |
348 | #endif |
366 | #endif |
349 | |
367 | |
|
|
368 | #ifdef ANDROID |
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|
369 | /* supposedly, android doesn't typedef fd_mask */ |
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|
370 | # undef EV_USE_SELECT |
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|
371 | # define EV_USE_SELECT 0 |
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|
372 | /* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */ |
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373 | # undef EV_USE_CLOCK_SYSCALL |
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|
374 | # define EV_USE_CLOCK_SYSCALL 0 |
|
|
375 | #endif |
|
|
376 | |
|
|
377 | /* aix's poll.h seems to cause lots of trouble */ |
|
|
378 | #ifdef _AIX |
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|
379 | /* AIX has a completely broken poll.h header */ |
|
|
380 | # undef EV_USE_POLL |
|
|
381 | # define EV_USE_POLL 0 |
|
|
382 | #endif |
|
|
383 | |
350 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
384 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
351 | /* which makes programs even slower. might work on other unices, too. */ |
385 | /* which makes programs even slower. might work on other unices, too. */ |
352 | #if EV_USE_CLOCK_SYSCALL |
386 | #if EV_USE_CLOCK_SYSCALL |
353 | # include <syscall.h> |
387 | # include <sys/syscall.h> |
354 | # ifdef SYS_clock_gettime |
388 | # ifdef SYS_clock_gettime |
355 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
389 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
356 | # undef EV_USE_MONOTONIC |
390 | # undef EV_USE_MONOTONIC |
357 | # define EV_USE_MONOTONIC 1 |
391 | # define EV_USE_MONOTONIC 1 |
358 | # else |
392 | # else |
… | |
… | |
361 | # endif |
395 | # endif |
362 | #endif |
396 | #endif |
363 | |
397 | |
364 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
398 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
365 | |
399 | |
366 | #ifdef _AIX |
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|
367 | /* AIX has a completely broken poll.h header */ |
|
|
368 | # undef EV_USE_POLL |
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|
369 | # define EV_USE_POLL 0 |
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|
370 | #endif |
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371 | |
|
|
372 | #ifndef CLOCK_MONOTONIC |
400 | #ifndef CLOCK_MONOTONIC |
373 | # undef EV_USE_MONOTONIC |
401 | # undef EV_USE_MONOTONIC |
374 | # define EV_USE_MONOTONIC 0 |
402 | # define EV_USE_MONOTONIC 0 |
375 | #endif |
403 | #endif |
376 | |
404 | |
… | |
… | |
384 | # define EV_USE_INOTIFY 0 |
412 | # define EV_USE_INOTIFY 0 |
385 | #endif |
413 | #endif |
386 | |
414 | |
387 | #if !EV_USE_NANOSLEEP |
415 | #if !EV_USE_NANOSLEEP |
388 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
416 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
389 | # if !defined(_WIN32) && !defined(__hpux) |
417 | # if !defined _WIN32 && !defined __hpux |
390 | # include <sys/select.h> |
418 | # include <sys/select.h> |
391 | # endif |
419 | # endif |
392 | #endif |
420 | #endif |
393 | |
421 | |
394 | #if EV_USE_INOTIFY |
422 | #if EV_USE_INOTIFY |
… | |
… | |
397 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
425 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
398 | # ifndef IN_DONT_FOLLOW |
426 | # ifndef IN_DONT_FOLLOW |
399 | # undef EV_USE_INOTIFY |
427 | # undef EV_USE_INOTIFY |
400 | # define EV_USE_INOTIFY 0 |
428 | # define EV_USE_INOTIFY 0 |
401 | # endif |
429 | # endif |
402 | #endif |
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403 | |
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|
404 | #if EV_SELECT_IS_WINSOCKET |
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|
405 | # include <winsock.h> |
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|
406 | #endif |
430 | #endif |
407 | |
431 | |
408 | #if EV_USE_EVENTFD |
432 | #if EV_USE_EVENTFD |
409 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
433 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
410 | # include <stdint.h> |
434 | # include <stdint.h> |
… | |
… | |
467 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
491 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
468 | /* ECB.H BEGIN */ |
492 | /* ECB.H BEGIN */ |
469 | /* |
493 | /* |
470 | * libecb - http://software.schmorp.de/pkg/libecb |
494 | * libecb - http://software.schmorp.de/pkg/libecb |
471 | * |
495 | * |
472 | * Copyright (©) 2009-2012 Marc Alexander Lehmann <libecb@schmorp.de> |
496 | * Copyright (©) 2009-2014 Marc Alexander Lehmann <libecb@schmorp.de> |
473 | * Copyright (©) 2011 Emanuele Giaquinta |
497 | * Copyright (©) 2011 Emanuele Giaquinta |
474 | * All rights reserved. |
498 | * All rights reserved. |
475 | * |
499 | * |
476 | * Redistribution and use in source and binary forms, with or without modifica- |
500 | * Redistribution and use in source and binary forms, with or without modifica- |
477 | * tion, are permitted provided that the following conditions are met: |
501 | * tion, are permitted provided that the following conditions are met: |
… | |
… | |
491 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
515 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
492 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
516 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
493 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
517 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
494 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
518 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
495 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
519 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
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520 | * |
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521 | * Alternatively, the contents of this file may be used under the terms of |
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522 | * the GNU General Public License ("GPL") version 2 or any later version, |
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523 | * in which case the provisions of the GPL are applicable instead of |
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524 | * the above. If you wish to allow the use of your version of this file |
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525 | * only under the terms of the GPL and not to allow others to use your |
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526 | * version of this file under the BSD license, indicate your decision |
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527 | * by deleting the provisions above and replace them with the notice |
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528 | * and other provisions required by the GPL. If you do not delete the |
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529 | * provisions above, a recipient may use your version of this file under |
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530 | * either the BSD or the GPL. |
496 | */ |
531 | */ |
497 | |
532 | |
498 | #ifndef ECB_H |
533 | #ifndef ECB_H |
499 | #define ECB_H |
534 | #define ECB_H |
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535 | |
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536 | /* 16 bits major, 16 bits minor */ |
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537 | #define ECB_VERSION 0x00010003 |
500 | |
538 | |
501 | #ifdef _WIN32 |
539 | #ifdef _WIN32 |
502 | typedef signed char int8_t; |
540 | typedef signed char int8_t; |
503 | typedef unsigned char uint8_t; |
541 | typedef unsigned char uint8_t; |
504 | typedef signed short int16_t; |
542 | typedef signed short int16_t; |
… | |
… | |
510 | typedef unsigned long long uint64_t; |
548 | typedef unsigned long long uint64_t; |
511 | #else /* _MSC_VER || __BORLANDC__ */ |
549 | #else /* _MSC_VER || __BORLANDC__ */ |
512 | typedef signed __int64 int64_t; |
550 | typedef signed __int64 int64_t; |
513 | typedef unsigned __int64 uint64_t; |
551 | typedef unsigned __int64 uint64_t; |
514 | #endif |
552 | #endif |
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553 | #ifdef _WIN64 |
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554 | #define ECB_PTRSIZE 8 |
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555 | typedef uint64_t uintptr_t; |
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556 | typedef int64_t intptr_t; |
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557 | #else |
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558 | #define ECB_PTRSIZE 4 |
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559 | typedef uint32_t uintptr_t; |
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560 | typedef int32_t intptr_t; |
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561 | #endif |
515 | #else |
562 | #else |
516 | #include <inttypes.h> |
563 | #include <inttypes.h> |
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564 | #if UINTMAX_MAX > 0xffffffffU |
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565 | #define ECB_PTRSIZE 8 |
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566 | #else |
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567 | #define ECB_PTRSIZE 4 |
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568 | #endif |
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569 | #endif |
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570 | |
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571 | /* work around x32 idiocy by defining proper macros */ |
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572 | #if __amd64 || __x86_64 || _M_AMD64 || _M_X64 |
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573 | #if _ILP32 |
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574 | #define ECB_AMD64_X32 1 |
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575 | #else |
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576 | #define ECB_AMD64 1 |
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577 | #endif |
517 | #endif |
578 | #endif |
518 | |
579 | |
519 | /* many compilers define _GNUC_ to some versions but then only implement |
580 | /* many compilers define _GNUC_ to some versions but then only implement |
520 | * what their idiot authors think are the "more important" extensions, |
581 | * what their idiot authors think are the "more important" extensions, |
521 | * causing enormous grief in return for some better fake benchmark numbers. |
582 | * causing enormous grief in return for some better fake benchmark numbers. |
522 | * or so. |
583 | * or so. |
523 | * we try to detect these and simply assume they are not gcc - if they have |
584 | * we try to detect these and simply assume they are not gcc - if they have |
524 | * an issue with that they should have done it right in the first place. |
585 | * an issue with that they should have done it right in the first place. |
525 | */ |
586 | */ |
526 | #ifndef ECB_GCC_VERSION |
587 | #ifndef ECB_GCC_VERSION |
527 | #if !defined(__GNUC_MINOR__) || defined(__INTEL_COMPILER) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) || defined(__llvm__) || defined(__clang__) |
588 | #if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__ |
528 | #define ECB_GCC_VERSION(major,minor) 0 |
589 | #define ECB_GCC_VERSION(major,minor) 0 |
529 | #else |
590 | #else |
530 | #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) |
591 | #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) |
531 | #endif |
592 | #endif |
532 | #endif |
593 | #endif |
533 | |
594 | |
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595 | #define ECB_CPP (__cplusplus+0) |
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596 | #define ECB_CPP11 (__cplusplus >= 201103L) |
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597 | |
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598 | #if ECB_CPP |
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599 | #define ECB_C 0 |
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600 | #define ECB_STDC_VERSION 0 |
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601 | #else |
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602 | #define ECB_C 1 |
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603 | #define ECB_STDC_VERSION __STDC_VERSION__ |
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604 | #endif |
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605 | |
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606 | #define ECB_C99 (ECB_STDC_VERSION >= 199901L) |
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607 | #define ECB_C11 (ECB_STDC_VERSION >= 201112L) |
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608 | |
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609 | #if ECB_CPP |
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610 | #define ECB_EXTERN_C extern "C" |
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611 | #define ECB_EXTERN_C_BEG ECB_EXTERN_C { |
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612 | #define ECB_EXTERN_C_END } |
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613 | #else |
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614 | #define ECB_EXTERN_C extern |
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615 | #define ECB_EXTERN_C_BEG |
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616 | #define ECB_EXTERN_C_END |
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617 | #endif |
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618 | |
534 | /*****************************************************************************/ |
619 | /*****************************************************************************/ |
535 | |
620 | |
536 | /* ECB_NO_THREADS - ecb is not used by multiple threads, ever */ |
621 | /* ECB_NO_THREADS - ecb is not used by multiple threads, ever */ |
537 | /* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */ |
622 | /* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */ |
538 | |
623 | |
539 | #if ECB_NO_THREADS || ECB_NO_SMP |
624 | #if ECB_NO_THREADS |
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|
625 | #define ECB_NO_SMP 1 |
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626 | #endif |
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627 | |
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628 | #if ECB_NO_SMP |
540 | #define ECB_MEMORY_FENCE do { } while (0) |
629 | #define ECB_MEMORY_FENCE do { } while (0) |
541 | #endif |
630 | #endif |
542 | |
631 | |
543 | #ifndef ECB_MEMORY_FENCE |
632 | #ifndef ECB_MEMORY_FENCE |
544 | #if ECB_GCC_VERSION(2,5) || defined(__INTEL_COMPILER) || defined(__clang__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
633 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
545 | #if __i386 || __i386__ |
634 | #if __i386 || __i386__ |
546 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
635 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
547 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */ |
636 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
548 | #define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */ |
637 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
549 | #elif __amd64 || __amd64__ || __x86_64 || __x86_64__ |
638 | #elif __amd64 || __amd64__ || __x86_64 || __x86_64__ |
550 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
639 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
551 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory") |
640 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
552 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */ |
641 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
553 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
642 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
554 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
643 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
555 | #elif defined(__ARM_ARCH_6__ ) || defined(__ARM_ARCH_6J__ ) \ |
644 | #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \ |
556 | || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6ZK__) |
645 | || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ |
557 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory") |
646 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory") |
558 | #elif defined(__ARM_ARCH_7__ ) || defined(__ARM_ARCH_7A__ ) \ |
647 | #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \ |
559 | || defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7R__ ) |
648 | || defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__ |
560 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") |
649 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") |
|
|
650 | #elif __aarch64__ |
|
|
651 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory") |
561 | #elif __sparc || __sparc__ |
652 | #elif (__sparc || __sparc__) && !__sparcv8 |
562 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad | " : : : "memory") |
653 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory") |
563 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") |
654 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") |
564 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") |
655 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") |
565 | #elif defined(__s390__) || defined(__s390x__) |
656 | #elif defined __s390__ || defined __s390x__ |
566 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") |
657 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") |
|
|
658 | #elif defined __mips__ |
|
|
659 | /* GNU/Linux emulates sync on mips1 architectures, so we force its use */ |
|
|
660 | /* anybody else who still uses mips1 is supposed to send in their version, with detection code. */ |
|
|
661 | #define ECB_MEMORY_FENCE __asm__ __volatile__ (".set mips2; sync; .set mips0" : : : "memory") |
|
|
662 | #elif defined __alpha__ |
|
|
663 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory") |
|
|
664 | #elif defined __hppa__ |
|
|
665 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory") |
|
|
666 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
|
|
667 | #elif defined __ia64__ |
|
|
668 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory") |
|
|
669 | #elif defined __m68k__ |
|
|
670 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory") |
|
|
671 | #elif defined __m88k__ |
|
|
672 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("tb1 0,%%r0,128" : : : "memory") |
|
|
673 | #elif defined __sh__ |
|
|
674 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory") |
567 | #endif |
675 | #endif |
568 | #endif |
676 | #endif |
569 | #endif |
677 | #endif |
570 | |
678 | |
571 | #ifndef ECB_MEMORY_FENCE |
679 | #ifndef ECB_MEMORY_FENCE |
|
|
680 | #if ECB_GCC_VERSION(4,7) |
|
|
681 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
|
|
682 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
|
|
683 | #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE) |
|
|
684 | #define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE) |
|
|
685 | |
|
|
686 | /* The __has_feature syntax from clang is so misdesigned that we cannot use it |
|
|
687 | * without risking compile time errors with other compilers. We *could* |
|
|
688 | * define our own ecb_clang_has_feature, but I just can't be bothered to work |
|
|
689 | * around this shit time and again. |
|
|
690 | * #elif defined __clang && __has_feature (cxx_atomic) |
|
|
691 | * // see comment below (stdatomic.h) about the C11 memory model. |
|
|
692 | * #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
|
|
693 | * #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE) |
|
|
694 | * #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE) |
|
|
695 | */ |
|
|
696 | |
572 | #if ECB_GCC_VERSION(4,4) || defined(__INTEL_COMPILER) || defined(__clang__) |
697 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
573 | #define ECB_MEMORY_FENCE __sync_synchronize () |
698 | #define ECB_MEMORY_FENCE __sync_synchronize () |
574 | /*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */ |
699 | #elif _MSC_VER >= 1500 /* VC++ 2008 */ |
575 | /*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */ |
700 | /* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */ |
|
|
701 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
|
|
702 | #define ECB_MEMORY_FENCE _ReadWriteBarrier (); MemoryBarrier() |
|
|
703 | #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier (); MemoryBarrier() /* according to msdn, _ReadBarrier is not a load fence */ |
|
|
704 | #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier (); MemoryBarrier() |
576 | #elif _MSC_VER >= 1400 /* VC++ 2005 */ |
705 | #elif _MSC_VER >= 1400 /* VC++ 2005 */ |
577 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
706 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
578 | #define ECB_MEMORY_FENCE _ReadWriteBarrier () |
707 | #define ECB_MEMORY_FENCE _ReadWriteBarrier () |
579 | #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */ |
708 | #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */ |
580 | #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () |
709 | #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () |
581 | #elif defined(_WIN32) |
710 | #elif defined _WIN32 |
582 | #include <WinNT.h> |
711 | #include <WinNT.h> |
583 | #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ |
712 | #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ |
584 | #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
713 | #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
585 | #include <mbarrier.h> |
714 | #include <mbarrier.h> |
586 | #define ECB_MEMORY_FENCE __machine_rw_barrier () |
715 | #define ECB_MEMORY_FENCE __machine_rw_barrier () |
587 | #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier () |
716 | #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier () |
588 | #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier () |
717 | #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier () |
|
|
718 | #elif __xlC__ |
|
|
719 | #define ECB_MEMORY_FENCE __sync () |
|
|
720 | #endif |
|
|
721 | #endif |
|
|
722 | |
|
|
723 | #ifndef ECB_MEMORY_FENCE |
|
|
724 | #if ECB_C11 && !defined __STDC_NO_ATOMICS__ |
|
|
725 | /* we assume that these memory fences work on all variables/all memory accesses, */ |
|
|
726 | /* not just C11 atomics and atomic accesses */ |
|
|
727 | #include <stdatomic.h> |
|
|
728 | /* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */ |
|
|
729 | /* any fence other than seq_cst, which isn't very efficient for us. */ |
|
|
730 | /* Why that is, we don't know - either the C11 memory model is quite useless */ |
|
|
731 | /* for most usages, or gcc and clang have a bug */ |
|
|
732 | /* I *currently* lean towards the latter, and inefficiently implement */ |
|
|
733 | /* all three of ecb's fences as a seq_cst fence */ |
|
|
734 | /* Update, gcc-4.8 generates mfence for all c++ fences, but nothing */ |
|
|
735 | /* for all __atomic_thread_fence's except seq_cst */ |
|
|
736 | #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst) |
589 | #endif |
737 | #endif |
590 | #endif |
738 | #endif |
591 | |
739 | |
592 | #ifndef ECB_MEMORY_FENCE |
740 | #ifndef ECB_MEMORY_FENCE |
593 | #if !ECB_AVOID_PTHREADS |
741 | #if !ECB_AVOID_PTHREADS |
… | |
… | |
605 | static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER; |
753 | static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER; |
606 | #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0) |
754 | #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0) |
607 | #endif |
755 | #endif |
608 | #endif |
756 | #endif |
609 | |
757 | |
610 | #if !defined(ECB_MEMORY_FENCE_ACQUIRE) && defined(ECB_MEMORY_FENCE) |
758 | #if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE |
611 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
759 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
612 | #endif |
760 | #endif |
613 | |
761 | |
614 | #if !defined(ECB_MEMORY_FENCE_RELEASE) && defined(ECB_MEMORY_FENCE) |
762 | #if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE |
615 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
763 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
616 | #endif |
764 | #endif |
617 | |
765 | |
618 | /*****************************************************************************/ |
766 | /*****************************************************************************/ |
619 | |
|
|
620 | #define ECB_C99 (__STDC_VERSION__ >= 199901L) |
|
|
621 | |
767 | |
622 | #if __cplusplus |
768 | #if __cplusplus |
623 | #define ecb_inline static inline |
769 | #define ecb_inline static inline |
624 | #elif ECB_GCC_VERSION(2,5) |
770 | #elif ECB_GCC_VERSION(2,5) |
625 | #define ecb_inline static __inline__ |
771 | #define ecb_inline static __inline__ |
… | |
… | |
651 | #define ecb_is_constant(expr) __builtin_constant_p (expr) |
797 | #define ecb_is_constant(expr) __builtin_constant_p (expr) |
652 | #define ecb_expect(expr,value) __builtin_expect ((expr),(value)) |
798 | #define ecb_expect(expr,value) __builtin_expect ((expr),(value)) |
653 | #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality) |
799 | #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality) |
654 | #else |
800 | #else |
655 | #define ecb_attribute(attrlist) |
801 | #define ecb_attribute(attrlist) |
|
|
802 | |
|
|
803 | /* possible C11 impl for integral types |
|
|
804 | typedef struct ecb_is_constant_struct ecb_is_constant_struct; |
|
|
805 | #define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */ |
|
|
806 | |
656 | #define ecb_is_constant(expr) 0 |
807 | #define ecb_is_constant(expr) 0 |
657 | #define ecb_expect(expr,value) (expr) |
808 | #define ecb_expect(expr,value) (expr) |
658 | #define ecb_prefetch(addr,rw,locality) |
809 | #define ecb_prefetch(addr,rw,locality) |
659 | #endif |
810 | #endif |
660 | |
811 | |
… | |
… | |
663 | #define ecb_decltype(x) __decltype(x) |
814 | #define ecb_decltype(x) __decltype(x) |
664 | #elif ECB_GCC_VERSION(3,0) |
815 | #elif ECB_GCC_VERSION(3,0) |
665 | #define ecb_decltype(x) __typeof(x) |
816 | #define ecb_decltype(x) __typeof(x) |
666 | #endif |
817 | #endif |
667 | |
818 | |
|
|
819 | #if _MSC_VER >= 1300 |
|
|
820 | #define ecb_deprecated __declspec(deprecated) |
|
|
821 | #else |
|
|
822 | #define ecb_deprecated ecb_attribute ((__deprecated__)) |
|
|
823 | #endif |
|
|
824 | |
668 | #define ecb_noinline ecb_attribute ((__noinline__)) |
825 | #define ecb_noinline ecb_attribute ((__noinline__)) |
669 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
|
|
670 | #define ecb_unused ecb_attribute ((__unused__)) |
826 | #define ecb_unused ecb_attribute ((__unused__)) |
671 | #define ecb_const ecb_attribute ((__const__)) |
827 | #define ecb_const ecb_attribute ((__const__)) |
672 | #define ecb_pure ecb_attribute ((__pure__)) |
828 | #define ecb_pure ecb_attribute ((__pure__)) |
|
|
829 | |
|
|
830 | /* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx __declspec(noreturn) */ |
|
|
831 | #if ECB_C11 |
|
|
832 | #define ecb_noreturn _Noreturn |
|
|
833 | #else |
|
|
834 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
|
|
835 | #endif |
673 | |
836 | |
674 | #if ECB_GCC_VERSION(4,3) |
837 | #if ECB_GCC_VERSION(4,3) |
675 | #define ecb_artificial ecb_attribute ((__artificial__)) |
838 | #define ecb_artificial ecb_attribute ((__artificial__)) |
676 | #define ecb_hot ecb_attribute ((__hot__)) |
839 | #define ecb_hot ecb_attribute ((__hot__)) |
677 | #define ecb_cold ecb_attribute ((__cold__)) |
840 | #define ecb_cold ecb_attribute ((__cold__)) |
… | |
… | |
768 | |
931 | |
769 | return r + ecb_ld32 (x); |
932 | return r + ecb_ld32 (x); |
770 | } |
933 | } |
771 | #endif |
934 | #endif |
772 | |
935 | |
|
|
936 | ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const; |
|
|
937 | ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); } |
|
|
938 | ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const; |
|
|
939 | ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); } |
|
|
940 | |
773 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const; |
941 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const; |
774 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) |
942 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) |
775 | { |
943 | { |
776 | return ( (x * 0x0802U & 0x22110U) |
944 | return ( (x * 0x0802U & 0x22110U) |
777 | | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16; |
945 | | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16; |
… | |
… | |
861 | ecb_inline void ecb_unreachable (void) ecb_noreturn; |
1029 | ecb_inline void ecb_unreachable (void) ecb_noreturn; |
862 | ecb_inline void ecb_unreachable (void) { } |
1030 | ecb_inline void ecb_unreachable (void) { } |
863 | #endif |
1031 | #endif |
864 | |
1032 | |
865 | /* try to tell the compiler that some condition is definitely true */ |
1033 | /* try to tell the compiler that some condition is definitely true */ |
866 | #define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0) |
1034 | #define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0 |
867 | |
1035 | |
868 | ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const; |
1036 | ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const; |
869 | ecb_inline unsigned char |
1037 | ecb_inline unsigned char |
870 | ecb_byteorder_helper (void) |
1038 | ecb_byteorder_helper (void) |
871 | { |
1039 | { |
872 | const uint32_t u = 0x11223344; |
1040 | /* the union code still generates code under pressure in gcc, */ |
873 | return *(unsigned char *)&u; |
1041 | /* but less than using pointers, and always seems to */ |
|
|
1042 | /* successfully return a constant. */ |
|
|
1043 | /* the reason why we have this horrible preprocessor mess */ |
|
|
1044 | /* is to avoid it in all cases, at least on common architectures */ |
|
|
1045 | /* or when using a recent enough gcc version (>= 4.6) */ |
|
|
1046 | #if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64 |
|
|
1047 | return 0x44; |
|
|
1048 | #elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ |
|
|
1049 | return 0x44; |
|
|
1050 | #elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ |
|
|
1051 | return 0x11; |
|
|
1052 | #else |
|
|
1053 | union |
|
|
1054 | { |
|
|
1055 | uint32_t i; |
|
|
1056 | uint8_t c; |
|
|
1057 | } u = { 0x11223344 }; |
|
|
1058 | return u.c; |
|
|
1059 | #endif |
874 | } |
1060 | } |
875 | |
1061 | |
876 | ecb_inline ecb_bool ecb_big_endian (void) ecb_const; |
1062 | ecb_inline ecb_bool ecb_big_endian (void) ecb_const; |
877 | ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; } |
1063 | ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; } |
878 | ecb_inline ecb_bool ecb_little_endian (void) ecb_const; |
1064 | ecb_inline ecb_bool ecb_little_endian (void) ecb_const; |
… | |
… | |
909 | } |
1095 | } |
910 | #else |
1096 | #else |
911 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
1097 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
912 | #endif |
1098 | #endif |
913 | |
1099 | |
|
|
1100 | /*******************************************************************************/ |
|
|
1101 | /* floating point stuff, can be disabled by defining ECB_NO_LIBM */ |
|
|
1102 | |
|
|
1103 | /* basically, everything uses "ieee pure-endian" floating point numbers */ |
|
|
1104 | /* the only noteworthy exception is ancient armle, which uses order 43218765 */ |
|
|
1105 | #if 0 \ |
|
|
1106 | || __i386 || __i386__ \ |
|
|
1107 | || __amd64 || __amd64__ || __x86_64 || __x86_64__ \ |
|
|
1108 | || __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \ |
|
|
1109 | || defined __s390__ || defined __s390x__ \ |
|
|
1110 | || defined __mips__ \ |
|
|
1111 | || defined __alpha__ \ |
|
|
1112 | || defined __hppa__ \ |
|
|
1113 | || defined __ia64__ \ |
|
|
1114 | || defined __m68k__ \ |
|
|
1115 | || defined __m88k__ \ |
|
|
1116 | || defined __sh__ \ |
|
|
1117 | || defined _M_IX86 || defined _M_AMD64 || defined _M_IA64 \ |
|
|
1118 | || (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \ |
|
|
1119 | || defined __aarch64__ |
|
|
1120 | #define ECB_STDFP 1 |
|
|
1121 | #include <string.h> /* for memcpy */ |
|
|
1122 | #else |
|
|
1123 | #define ECB_STDFP 0 |
|
|
1124 | #endif |
|
|
1125 | |
|
|
1126 | #ifndef ECB_NO_LIBM |
|
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1127 | |
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|
1128 | #include <math.h> /* for frexp*, ldexp*, INFINITY, NAN */ |
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1129 | |
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1130 | /* only the oldest of old doesn't have this one. solaris. */ |
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1131 | #ifdef INFINITY |
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1132 | #define ECB_INFINITY INFINITY |
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1133 | #else |
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1134 | #define ECB_INFINITY HUGE_VAL |
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1135 | #endif |
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1136 | |
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1137 | #ifdef NAN |
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|
1138 | #define ECB_NAN NAN |
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1139 | #else |
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1140 | #define ECB_NAN ECB_INFINITY |
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1141 | #endif |
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1142 | |
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|
1143 | /* converts an ieee half/binary16 to a float */ |
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|
1144 | ecb_function_ float ecb_binary16_to_float (uint16_t x) ecb_const; |
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|
1145 | ecb_function_ float |
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|
1146 | ecb_binary16_to_float (uint16_t x) |
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|
1147 | { |
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1148 | int e = (x >> 10) & 0x1f; |
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1149 | int m = x & 0x3ff; |
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1150 | float r; |
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1151 | |
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1152 | if (!e ) r = ldexpf (m , -24); |
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1153 | else if (e != 31) r = ldexpf (m + 0x400, e - 25); |
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1154 | else if (m ) r = ECB_NAN; |
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1155 | else r = ECB_INFINITY; |
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1156 | |
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1157 | return x & 0x8000 ? -r : r; |
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1158 | } |
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1159 | |
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1160 | /* convert a float to ieee single/binary32 */ |
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1161 | ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const; |
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1162 | ecb_function_ uint32_t |
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1163 | ecb_float_to_binary32 (float x) |
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1164 | { |
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1165 | uint32_t r; |
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1166 | |
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1167 | #if ECB_STDFP |
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1168 | memcpy (&r, &x, 4); |
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1169 | #else |
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1170 | /* slow emulation, works for anything but -0 */ |
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1171 | uint32_t m; |
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1172 | int e; |
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1173 | |
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1174 | if (x == 0e0f ) return 0x00000000U; |
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1175 | if (x > +3.40282346638528860e+38f) return 0x7f800000U; |
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1176 | if (x < -3.40282346638528860e+38f) return 0xff800000U; |
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1177 | if (x != x ) return 0x7fbfffffU; |
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1178 | |
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1179 | m = frexpf (x, &e) * 0x1000000U; |
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1180 | |
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1181 | r = m & 0x80000000U; |
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1182 | |
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1183 | if (r) |
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1184 | m = -m; |
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1185 | |
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1186 | if (e <= -126) |
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1187 | { |
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1188 | m &= 0xffffffU; |
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1189 | m >>= (-125 - e); |
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1190 | e = -126; |
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1191 | } |
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1192 | |
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1193 | r |= (e + 126) << 23; |
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1194 | r |= m & 0x7fffffU; |
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1195 | #endif |
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1196 | |
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1197 | return r; |
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1198 | } |
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1199 | |
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1200 | /* converts an ieee single/binary32 to a float */ |
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1201 | ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const; |
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1202 | ecb_function_ float |
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1203 | ecb_binary32_to_float (uint32_t x) |
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1204 | { |
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1205 | float r; |
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1206 | |
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1207 | #if ECB_STDFP |
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1208 | memcpy (&r, &x, 4); |
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1209 | #else |
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1210 | /* emulation, only works for normals and subnormals and +0 */ |
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1211 | int neg = x >> 31; |
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1212 | int e = (x >> 23) & 0xffU; |
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1213 | |
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1214 | x &= 0x7fffffU; |
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1215 | |
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1216 | if (e) |
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1217 | x |= 0x800000U; |
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1218 | else |
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1219 | e = 1; |
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1220 | |
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1221 | /* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */ |
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1222 | r = ldexpf (x * (0.5f / 0x800000U), e - 126); |
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1223 | |
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1224 | r = neg ? -r : r; |
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1225 | #endif |
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1226 | |
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1227 | return r; |
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1228 | } |
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1229 | |
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1230 | /* convert a double to ieee double/binary64 */ |
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1231 | ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const; |
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1232 | ecb_function_ uint64_t |
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1233 | ecb_double_to_binary64 (double x) |
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1234 | { |
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1235 | uint64_t r; |
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1236 | |
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1237 | #if ECB_STDFP |
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1238 | memcpy (&r, &x, 8); |
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1239 | #else |
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1240 | /* slow emulation, works for anything but -0 */ |
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1241 | uint64_t m; |
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1242 | int e; |
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1243 | |
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1244 | if (x == 0e0 ) return 0x0000000000000000U; |
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1245 | if (x > +1.79769313486231470e+308) return 0x7ff0000000000000U; |
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1246 | if (x < -1.79769313486231470e+308) return 0xfff0000000000000U; |
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1247 | if (x != x ) return 0X7ff7ffffffffffffU; |
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1248 | |
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1249 | m = frexp (x, &e) * 0x20000000000000U; |
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1250 | |
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1251 | r = m & 0x8000000000000000;; |
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1252 | |
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1253 | if (r) |
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1254 | m = -m; |
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1255 | |
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1256 | if (e <= -1022) |
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1257 | { |
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1258 | m &= 0x1fffffffffffffU; |
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1259 | m >>= (-1021 - e); |
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1260 | e = -1022; |
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1261 | } |
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1262 | |
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1263 | r |= ((uint64_t)(e + 1022)) << 52; |
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1264 | r |= m & 0xfffffffffffffU; |
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1265 | #endif |
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1266 | |
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1267 | return r; |
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1268 | } |
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1269 | |
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1270 | /* converts an ieee double/binary64 to a double */ |
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1271 | ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const; |
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1272 | ecb_function_ double |
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1273 | ecb_binary64_to_double (uint64_t x) |
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1274 | { |
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1275 | double r; |
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1276 | |
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1277 | #if ECB_STDFP |
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1278 | memcpy (&r, &x, 8); |
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1279 | #else |
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1280 | /* emulation, only works for normals and subnormals and +0 */ |
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1281 | int neg = x >> 63; |
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1282 | int e = (x >> 52) & 0x7ffU; |
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1283 | |
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1284 | x &= 0xfffffffffffffU; |
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1285 | |
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1286 | if (e) |
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1287 | x |= 0x10000000000000U; |
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1288 | else |
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1289 | e = 1; |
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1290 | |
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1291 | /* we distrust ldexp a bit and do the 2**-53 scaling by an extra multiply */ |
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1292 | r = ldexp (x * (0.5 / 0x10000000000000U), e - 1022); |
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1293 | |
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1294 | r = neg ? -r : r; |
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1295 | #endif |
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1296 | |
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1297 | return r; |
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1298 | } |
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1299 | |
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1300 | #endif |
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1301 | |
914 | #endif |
1302 | #endif |
915 | |
1303 | |
916 | /* ECB.H END */ |
1304 | /* ECB.H END */ |
917 | |
1305 | |
918 | #if ECB_MEMORY_FENCE_NEEDS_PTHREADS |
1306 | #if ECB_MEMORY_FENCE_NEEDS_PTHREADS |
… | |
… | |
1084 | { |
1472 | { |
1085 | write (STDERR_FILENO, msg, strlen (msg)); |
1473 | write (STDERR_FILENO, msg, strlen (msg)); |
1086 | } |
1474 | } |
1087 | #endif |
1475 | #endif |
1088 | |
1476 | |
1089 | static void (*syserr_cb)(const char *msg); |
1477 | static void (*syserr_cb)(const char *msg) EV_THROW; |
1090 | |
1478 | |
1091 | void ecb_cold |
1479 | void ecb_cold |
1092 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
1480 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW |
1093 | { |
1481 | { |
1094 | syserr_cb = cb; |
1482 | syserr_cb = cb; |
1095 | } |
1483 | } |
1096 | |
1484 | |
1097 | static void noinline ecb_cold |
1485 | static void noinline ecb_cold |
… | |
… | |
1115 | abort (); |
1503 | abort (); |
1116 | } |
1504 | } |
1117 | } |
1505 | } |
1118 | |
1506 | |
1119 | static void * |
1507 | static void * |
1120 | ev_realloc_emul (void *ptr, long size) |
1508 | ev_realloc_emul (void *ptr, long size) EV_THROW |
1121 | { |
1509 | { |
1122 | #if __GLIBC__ |
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1123 | return realloc (ptr, size); |
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1124 | #else |
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|
1125 | /* some systems, notably openbsd and darwin, fail to properly |
1510 | /* some systems, notably openbsd and darwin, fail to properly |
1126 | * implement realloc (x, 0) (as required by both ansi c-89 and |
1511 | * implement realloc (x, 0) (as required by both ansi c-89 and |
1127 | * the single unix specification, so work around them here. |
1512 | * the single unix specification, so work around them here. |
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1513 | * recently, also (at least) fedora and debian started breaking it, |
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1514 | * despite documenting it otherwise. |
1128 | */ |
1515 | */ |
1129 | |
1516 | |
1130 | if (size) |
1517 | if (size) |
1131 | return realloc (ptr, size); |
1518 | return realloc (ptr, size); |
1132 | |
1519 | |
1133 | free (ptr); |
1520 | free (ptr); |
1134 | return 0; |
1521 | return 0; |
1135 | #endif |
|
|
1136 | } |
1522 | } |
1137 | |
1523 | |
1138 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
1524 | static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul; |
1139 | |
1525 | |
1140 | void ecb_cold |
1526 | void ecb_cold |
1141 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
1527 | ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW |
1142 | { |
1528 | { |
1143 | alloc = cb; |
1529 | alloc = cb; |
1144 | } |
1530 | } |
1145 | |
1531 | |
1146 | inline_speed void * |
1532 | inline_speed void * |
… | |
… | |
1263 | |
1649 | |
1264 | /*****************************************************************************/ |
1650 | /*****************************************************************************/ |
1265 | |
1651 | |
1266 | #ifndef EV_HAVE_EV_TIME |
1652 | #ifndef EV_HAVE_EV_TIME |
1267 | ev_tstamp |
1653 | ev_tstamp |
1268 | ev_time (void) |
1654 | ev_time (void) EV_THROW |
1269 | { |
1655 | { |
1270 | #if EV_USE_REALTIME |
1656 | #if EV_USE_REALTIME |
1271 | if (expect_true (have_realtime)) |
1657 | if (expect_true (have_realtime)) |
1272 | { |
1658 | { |
1273 | struct timespec ts; |
1659 | struct timespec ts; |
… | |
… | |
1297 | return ev_time (); |
1683 | return ev_time (); |
1298 | } |
1684 | } |
1299 | |
1685 | |
1300 | #if EV_MULTIPLICITY |
1686 | #if EV_MULTIPLICITY |
1301 | ev_tstamp |
1687 | ev_tstamp |
1302 | ev_now (EV_P) |
1688 | ev_now (EV_P) EV_THROW |
1303 | { |
1689 | { |
1304 | return ev_rt_now; |
1690 | return ev_rt_now; |
1305 | } |
1691 | } |
1306 | #endif |
1692 | #endif |
1307 | |
1693 | |
1308 | void |
1694 | void |
1309 | ev_sleep (ev_tstamp delay) |
1695 | ev_sleep (ev_tstamp delay) EV_THROW |
1310 | { |
1696 | { |
1311 | if (delay > 0.) |
1697 | if (delay > 0.) |
1312 | { |
1698 | { |
1313 | #if EV_USE_NANOSLEEP |
1699 | #if EV_USE_NANOSLEEP |
1314 | struct timespec ts; |
1700 | struct timespec ts; |
1315 | |
1701 | |
1316 | EV_TS_SET (ts, delay); |
1702 | EV_TS_SET (ts, delay); |
1317 | nanosleep (&ts, 0); |
1703 | nanosleep (&ts, 0); |
1318 | #elif defined(_WIN32) |
1704 | #elif defined _WIN32 |
1319 | Sleep ((unsigned long)(delay * 1e3)); |
1705 | Sleep ((unsigned long)(delay * 1e3)); |
1320 | #else |
1706 | #else |
1321 | struct timeval tv; |
1707 | struct timeval tv; |
1322 | |
1708 | |
1323 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
1709 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
… | |
… | |
1395 | pendingcb (EV_P_ ev_prepare *w, int revents) |
1781 | pendingcb (EV_P_ ev_prepare *w, int revents) |
1396 | { |
1782 | { |
1397 | } |
1783 | } |
1398 | |
1784 | |
1399 | void noinline |
1785 | void noinline |
1400 | ev_feed_event (EV_P_ void *w, int revents) |
1786 | ev_feed_event (EV_P_ void *w, int revents) EV_THROW |
1401 | { |
1787 | { |
1402 | W w_ = (W)w; |
1788 | W w_ = (W)w; |
1403 | int pri = ABSPRI (w_); |
1789 | int pri = ABSPRI (w_); |
1404 | |
1790 | |
1405 | if (expect_false (w_->pending)) |
1791 | if (expect_false (w_->pending)) |
… | |
… | |
1409 | w_->pending = ++pendingcnt [pri]; |
1795 | w_->pending = ++pendingcnt [pri]; |
1410 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
1796 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
1411 | pendings [pri][w_->pending - 1].w = w_; |
1797 | pendings [pri][w_->pending - 1].w = w_; |
1412 | pendings [pri][w_->pending - 1].events = revents; |
1798 | pendings [pri][w_->pending - 1].events = revents; |
1413 | } |
1799 | } |
|
|
1800 | |
|
|
1801 | pendingpri = NUMPRI - 1; |
1414 | } |
1802 | } |
1415 | |
1803 | |
1416 | inline_speed void |
1804 | inline_speed void |
1417 | feed_reverse (EV_P_ W w) |
1805 | feed_reverse (EV_P_ W w) |
1418 | { |
1806 | { |
… | |
… | |
1464 | if (expect_true (!anfd->reify)) |
1852 | if (expect_true (!anfd->reify)) |
1465 | fd_event_nocheck (EV_A_ fd, revents); |
1853 | fd_event_nocheck (EV_A_ fd, revents); |
1466 | } |
1854 | } |
1467 | |
1855 | |
1468 | void |
1856 | void |
1469 | ev_feed_fd_event (EV_P_ int fd, int revents) |
1857 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW |
1470 | { |
1858 | { |
1471 | if (fd >= 0 && fd < anfdmax) |
1859 | if (fd >= 0 && fd < anfdmax) |
1472 | fd_event_nocheck (EV_A_ fd, revents); |
1860 | fd_event_nocheck (EV_A_ fd, revents); |
1473 | } |
1861 | } |
1474 | |
1862 | |
… | |
… | |
1793 | static void noinline ecb_cold |
2181 | static void noinline ecb_cold |
1794 | evpipe_init (EV_P) |
2182 | evpipe_init (EV_P) |
1795 | { |
2183 | { |
1796 | if (!ev_is_active (&pipe_w)) |
2184 | if (!ev_is_active (&pipe_w)) |
1797 | { |
2185 | { |
|
|
2186 | int fds [2]; |
|
|
2187 | |
1798 | # if EV_USE_EVENTFD |
2188 | # if EV_USE_EVENTFD |
|
|
2189 | fds [0] = -1; |
1799 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
2190 | fds [1] = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
1800 | if (evfd < 0 && errno == EINVAL) |
2191 | if (fds [1] < 0 && errno == EINVAL) |
1801 | evfd = eventfd (0, 0); |
2192 | fds [1] = eventfd (0, 0); |
1802 | |
2193 | |
1803 | if (evfd >= 0) |
2194 | if (fds [1] < 0) |
|
|
2195 | # endif |
1804 | { |
2196 | { |
|
|
2197 | while (pipe (fds)) |
|
|
2198 | ev_syserr ("(libev) error creating signal/async pipe"); |
|
|
2199 | |
|
|
2200 | fd_intern (fds [0]); |
|
|
2201 | } |
|
|
2202 | |
1805 | evpipe [0] = -1; |
2203 | evpipe [0] = fds [0]; |
1806 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
2204 | |
1807 | ev_io_set (&pipe_w, evfd, EV_READ); |
2205 | if (evpipe [1] < 0) |
|
|
2206 | evpipe [1] = fds [1]; /* first call, set write fd */ |
|
|
2207 | else |
|
|
2208 | { |
|
|
2209 | /* on subsequent calls, do not change evpipe [1] */ |
|
|
2210 | /* so that evpipe_write can always rely on its value. */ |
|
|
2211 | /* this branch does not do anything sensible on windows, */ |
|
|
2212 | /* so must not be executed on windows */ |
|
|
2213 | |
|
|
2214 | dup2 (fds [1], evpipe [1]); |
|
|
2215 | close (fds [1]); |
|
|
2216 | } |
|
|
2217 | |
|
|
2218 | fd_intern (evpipe [1]); |
|
|
2219 | |
|
|
2220 | ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ); |
|
|
2221 | ev_io_start (EV_A_ &pipe_w); |
|
|
2222 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
|
|
2223 | } |
|
|
2224 | } |
|
|
2225 | |
|
|
2226 | inline_speed void |
|
|
2227 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
|
|
2228 | { |
|
|
2229 | ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */ |
|
|
2230 | |
|
|
2231 | if (expect_true (*flag)) |
|
|
2232 | return; |
|
|
2233 | |
|
|
2234 | *flag = 1; |
|
|
2235 | ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ |
|
|
2236 | |
|
|
2237 | pipe_write_skipped = 1; |
|
|
2238 | |
|
|
2239 | ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */ |
|
|
2240 | |
|
|
2241 | if (pipe_write_wanted) |
|
|
2242 | { |
|
|
2243 | int old_errno; |
|
|
2244 | |
|
|
2245 | pipe_write_skipped = 0; |
|
|
2246 | ECB_MEMORY_FENCE_RELEASE; |
|
|
2247 | |
|
|
2248 | old_errno = errno; /* save errno because write will clobber it */ |
|
|
2249 | |
|
|
2250 | #if EV_USE_EVENTFD |
|
|
2251 | if (evpipe [0] < 0) |
|
|
2252 | { |
|
|
2253 | uint64_t counter = 1; |
|
|
2254 | write (evpipe [1], &counter, sizeof (uint64_t)); |
1808 | } |
2255 | } |
1809 | else |
2256 | else |
1810 | # endif |
2257 | #endif |
1811 | { |
2258 | { |
1812 | while (pipe (evpipe)) |
2259 | #ifdef _WIN32 |
1813 | ev_syserr ("(libev) error creating signal/async pipe"); |
2260 | WSABUF buf; |
1814 | |
2261 | DWORD sent; |
1815 | fd_intern (evpipe [0]); |
2262 | buf.buf = &buf; |
1816 | fd_intern (evpipe [1]); |
2263 | buf.len = 1; |
1817 | ev_io_set (&pipe_w, evpipe [0], EV_READ); |
2264 | WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0); |
1818 | } |
2265 | #else |
1819 | |
|
|
1820 | ev_io_start (EV_A_ &pipe_w); |
|
|
1821 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
|
|
1822 | } |
|
|
1823 | } |
|
|
1824 | |
|
|
1825 | inline_speed void |
|
|
1826 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
|
|
1827 | { |
|
|
1828 | if (expect_true (*flag)) |
|
|
1829 | return; |
|
|
1830 | |
|
|
1831 | *flag = 1; |
|
|
1832 | |
|
|
1833 | ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ |
|
|
1834 | |
|
|
1835 | pipe_write_skipped = 1; |
|
|
1836 | |
|
|
1837 | ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */ |
|
|
1838 | |
|
|
1839 | if (pipe_write_wanted) |
|
|
1840 | { |
|
|
1841 | int old_errno; |
|
|
1842 | |
|
|
1843 | pipe_write_skipped = 0; /* just an optimisation, no fence needed */ |
|
|
1844 | |
|
|
1845 | old_errno = errno; /* save errno because write will clobber it */ |
|
|
1846 | |
|
|
1847 | #if EV_USE_EVENTFD |
|
|
1848 | if (evfd >= 0) |
|
|
1849 | { |
|
|
1850 | uint64_t counter = 1; |
|
|
1851 | write (evfd, &counter, sizeof (uint64_t)); |
|
|
1852 | } |
|
|
1853 | else |
|
|
1854 | #endif |
|
|
1855 | { |
|
|
1856 | /* win32 people keep sending patches that change this write() to send() */ |
|
|
1857 | /* and then run away. but send() is wrong, it wants a socket handle on win32 */ |
|
|
1858 | /* so when you think this write should be a send instead, please find out */ |
|
|
1859 | /* where your send() is from - it's definitely not the microsoft send, and */ |
|
|
1860 | /* tell me. thank you. */ |
|
|
1861 | write (evpipe [1], &(evpipe [1]), 1); |
2266 | write (evpipe [1], &(evpipe [1]), 1); |
|
|
2267 | #endif |
1862 | } |
2268 | } |
1863 | |
2269 | |
1864 | errno = old_errno; |
2270 | errno = old_errno; |
1865 | } |
2271 | } |
1866 | } |
2272 | } |
… | |
… | |
1873 | int i; |
2279 | int i; |
1874 | |
2280 | |
1875 | if (revents & EV_READ) |
2281 | if (revents & EV_READ) |
1876 | { |
2282 | { |
1877 | #if EV_USE_EVENTFD |
2283 | #if EV_USE_EVENTFD |
1878 | if (evfd >= 0) |
2284 | if (evpipe [0] < 0) |
1879 | { |
2285 | { |
1880 | uint64_t counter; |
2286 | uint64_t counter; |
1881 | read (evfd, &counter, sizeof (uint64_t)); |
2287 | read (evpipe [1], &counter, sizeof (uint64_t)); |
1882 | } |
2288 | } |
1883 | else |
2289 | else |
1884 | #endif |
2290 | #endif |
1885 | { |
2291 | { |
1886 | char dummy; |
2292 | char dummy[4]; |
1887 | /* see discussion in evpipe_write when you think this read should be recv in win32 */ |
2293 | #ifdef _WIN32 |
|
|
2294 | WSABUF buf; |
|
|
2295 | DWORD recvd; |
|
|
2296 | DWORD flags = 0; |
|
|
2297 | buf.buf = dummy; |
|
|
2298 | buf.len = sizeof (dummy); |
|
|
2299 | WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, &flags, 0, 0); |
|
|
2300 | #else |
1888 | read (evpipe [0], &dummy, 1); |
2301 | read (evpipe [0], &dummy, sizeof (dummy)); |
|
|
2302 | #endif |
1889 | } |
2303 | } |
1890 | } |
2304 | } |
1891 | |
2305 | |
1892 | pipe_write_skipped = 0; |
2306 | pipe_write_skipped = 0; |
|
|
2307 | |
|
|
2308 | ECB_MEMORY_FENCE; /* push out skipped, acquire flags */ |
1893 | |
2309 | |
1894 | #if EV_SIGNAL_ENABLE |
2310 | #if EV_SIGNAL_ENABLE |
1895 | if (sig_pending) |
2311 | if (sig_pending) |
1896 | { |
2312 | { |
1897 | sig_pending = 0; |
2313 | sig_pending = 0; |
|
|
2314 | |
|
|
2315 | ECB_MEMORY_FENCE; |
1898 | |
2316 | |
1899 | for (i = EV_NSIG - 1; i--; ) |
2317 | for (i = EV_NSIG - 1; i--; ) |
1900 | if (expect_false (signals [i].pending)) |
2318 | if (expect_false (signals [i].pending)) |
1901 | ev_feed_signal_event (EV_A_ i + 1); |
2319 | ev_feed_signal_event (EV_A_ i + 1); |
1902 | } |
2320 | } |
… | |
… | |
1904 | |
2322 | |
1905 | #if EV_ASYNC_ENABLE |
2323 | #if EV_ASYNC_ENABLE |
1906 | if (async_pending) |
2324 | if (async_pending) |
1907 | { |
2325 | { |
1908 | async_pending = 0; |
2326 | async_pending = 0; |
|
|
2327 | |
|
|
2328 | ECB_MEMORY_FENCE; |
1909 | |
2329 | |
1910 | for (i = asynccnt; i--; ) |
2330 | for (i = asynccnt; i--; ) |
1911 | if (asyncs [i]->sent) |
2331 | if (asyncs [i]->sent) |
1912 | { |
2332 | { |
1913 | asyncs [i]->sent = 0; |
2333 | asyncs [i]->sent = 0; |
|
|
2334 | ECB_MEMORY_FENCE_RELEASE; |
1914 | ev_feed_event (EV_A_ asyncs [i], EV_ASYNC); |
2335 | ev_feed_event (EV_A_ asyncs [i], EV_ASYNC); |
1915 | } |
2336 | } |
1916 | } |
2337 | } |
1917 | #endif |
2338 | #endif |
1918 | } |
2339 | } |
1919 | |
2340 | |
1920 | /*****************************************************************************/ |
2341 | /*****************************************************************************/ |
1921 | |
2342 | |
1922 | void |
2343 | void |
1923 | ev_feed_signal (int signum) |
2344 | ev_feed_signal (int signum) EV_THROW |
1924 | { |
2345 | { |
1925 | #if EV_MULTIPLICITY |
2346 | #if EV_MULTIPLICITY |
|
|
2347 | EV_P; |
|
|
2348 | ECB_MEMORY_FENCE_ACQUIRE; |
1926 | EV_P = signals [signum - 1].loop; |
2349 | EV_A = signals [signum - 1].loop; |
1927 | |
2350 | |
1928 | if (!EV_A) |
2351 | if (!EV_A) |
1929 | return; |
2352 | return; |
1930 | #endif |
2353 | #endif |
1931 | |
2354 | |
1932 | if (!ev_active (&pipe_w)) |
|
|
1933 | return; |
|
|
1934 | |
|
|
1935 | signals [signum - 1].pending = 1; |
2355 | signals [signum - 1].pending = 1; |
1936 | evpipe_write (EV_A_ &sig_pending); |
2356 | evpipe_write (EV_A_ &sig_pending); |
1937 | } |
2357 | } |
1938 | |
2358 | |
1939 | static void |
2359 | static void |
… | |
… | |
1945 | |
2365 | |
1946 | ev_feed_signal (signum); |
2366 | ev_feed_signal (signum); |
1947 | } |
2367 | } |
1948 | |
2368 | |
1949 | void noinline |
2369 | void noinline |
1950 | ev_feed_signal_event (EV_P_ int signum) |
2370 | ev_feed_signal_event (EV_P_ int signum) EV_THROW |
1951 | { |
2371 | { |
1952 | WL w; |
2372 | WL w; |
1953 | |
2373 | |
1954 | if (expect_false (signum <= 0 || signum > EV_NSIG)) |
2374 | if (expect_false (signum <= 0 || signum >= EV_NSIG)) |
1955 | return; |
2375 | return; |
1956 | |
2376 | |
1957 | --signum; |
2377 | --signum; |
1958 | |
2378 | |
1959 | #if EV_MULTIPLICITY |
2379 | #if EV_MULTIPLICITY |
… | |
… | |
1963 | if (expect_false (signals [signum].loop != EV_A)) |
2383 | if (expect_false (signals [signum].loop != EV_A)) |
1964 | return; |
2384 | return; |
1965 | #endif |
2385 | #endif |
1966 | |
2386 | |
1967 | signals [signum].pending = 0; |
2387 | signals [signum].pending = 0; |
|
|
2388 | ECB_MEMORY_FENCE_RELEASE; |
1968 | |
2389 | |
1969 | for (w = signals [signum].head; w; w = w->next) |
2390 | for (w = signals [signum].head; w; w = w->next) |
1970 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
2391 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
1971 | } |
2392 | } |
1972 | |
2393 | |
… | |
… | |
2071 | #if EV_USE_SELECT |
2492 | #if EV_USE_SELECT |
2072 | # include "ev_select.c" |
2493 | # include "ev_select.c" |
2073 | #endif |
2494 | #endif |
2074 | |
2495 | |
2075 | int ecb_cold |
2496 | int ecb_cold |
2076 | ev_version_major (void) |
2497 | ev_version_major (void) EV_THROW |
2077 | { |
2498 | { |
2078 | return EV_VERSION_MAJOR; |
2499 | return EV_VERSION_MAJOR; |
2079 | } |
2500 | } |
2080 | |
2501 | |
2081 | int ecb_cold |
2502 | int ecb_cold |
2082 | ev_version_minor (void) |
2503 | ev_version_minor (void) EV_THROW |
2083 | { |
2504 | { |
2084 | return EV_VERSION_MINOR; |
2505 | return EV_VERSION_MINOR; |
2085 | } |
2506 | } |
2086 | |
2507 | |
2087 | /* return true if we are running with elevated privileges and should ignore env variables */ |
2508 | /* return true if we are running with elevated privileges and should ignore env variables */ |
… | |
… | |
2095 | || getgid () != getegid (); |
2516 | || getgid () != getegid (); |
2096 | #endif |
2517 | #endif |
2097 | } |
2518 | } |
2098 | |
2519 | |
2099 | unsigned int ecb_cold |
2520 | unsigned int ecb_cold |
2100 | ev_supported_backends (void) |
2521 | ev_supported_backends (void) EV_THROW |
2101 | { |
2522 | { |
2102 | unsigned int flags = 0; |
2523 | unsigned int flags = 0; |
2103 | |
2524 | |
2104 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2525 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2105 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
2526 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
… | |
… | |
2109 | |
2530 | |
2110 | return flags; |
2531 | return flags; |
2111 | } |
2532 | } |
2112 | |
2533 | |
2113 | unsigned int ecb_cold |
2534 | unsigned int ecb_cold |
2114 | ev_recommended_backends (void) |
2535 | ev_recommended_backends (void) EV_THROW |
2115 | { |
2536 | { |
2116 | unsigned int flags = ev_supported_backends (); |
2537 | unsigned int flags = ev_supported_backends (); |
2117 | |
2538 | |
2118 | #ifndef __NetBSD__ |
2539 | #ifndef __NetBSD__ |
2119 | /* kqueue is borked on everything but netbsd apparently */ |
2540 | /* kqueue is borked on everything but netbsd apparently */ |
… | |
… | |
2131 | |
2552 | |
2132 | return flags; |
2553 | return flags; |
2133 | } |
2554 | } |
2134 | |
2555 | |
2135 | unsigned int ecb_cold |
2556 | unsigned int ecb_cold |
2136 | ev_embeddable_backends (void) |
2557 | ev_embeddable_backends (void) EV_THROW |
2137 | { |
2558 | { |
2138 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
2559 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
2139 | |
2560 | |
2140 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2561 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2141 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
2562 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
… | |
… | |
2143 | |
2564 | |
2144 | return flags; |
2565 | return flags; |
2145 | } |
2566 | } |
2146 | |
2567 | |
2147 | unsigned int |
2568 | unsigned int |
2148 | ev_backend (EV_P) |
2569 | ev_backend (EV_P) EV_THROW |
2149 | { |
2570 | { |
2150 | return backend; |
2571 | return backend; |
2151 | } |
2572 | } |
2152 | |
2573 | |
2153 | #if EV_FEATURE_API |
2574 | #if EV_FEATURE_API |
2154 | unsigned int |
2575 | unsigned int |
2155 | ev_iteration (EV_P) |
2576 | ev_iteration (EV_P) EV_THROW |
2156 | { |
2577 | { |
2157 | return loop_count; |
2578 | return loop_count; |
2158 | } |
2579 | } |
2159 | |
2580 | |
2160 | unsigned int |
2581 | unsigned int |
2161 | ev_depth (EV_P) |
2582 | ev_depth (EV_P) EV_THROW |
2162 | { |
2583 | { |
2163 | return loop_depth; |
2584 | return loop_depth; |
2164 | } |
2585 | } |
2165 | |
2586 | |
2166 | void |
2587 | void |
2167 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
2588 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
2168 | { |
2589 | { |
2169 | io_blocktime = interval; |
2590 | io_blocktime = interval; |
2170 | } |
2591 | } |
2171 | |
2592 | |
2172 | void |
2593 | void |
2173 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
2594 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
2174 | { |
2595 | { |
2175 | timeout_blocktime = interval; |
2596 | timeout_blocktime = interval; |
2176 | } |
2597 | } |
2177 | |
2598 | |
2178 | void |
2599 | void |
2179 | ev_set_userdata (EV_P_ void *data) |
2600 | ev_set_userdata (EV_P_ void *data) EV_THROW |
2180 | { |
2601 | { |
2181 | userdata = data; |
2602 | userdata = data; |
2182 | } |
2603 | } |
2183 | |
2604 | |
2184 | void * |
2605 | void * |
2185 | ev_userdata (EV_P) |
2606 | ev_userdata (EV_P) EV_THROW |
2186 | { |
2607 | { |
2187 | return userdata; |
2608 | return userdata; |
2188 | } |
2609 | } |
2189 | |
2610 | |
2190 | void |
2611 | void |
2191 | ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) |
2612 | ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW |
2192 | { |
2613 | { |
2193 | invoke_cb = invoke_pending_cb; |
2614 | invoke_cb = invoke_pending_cb; |
2194 | } |
2615 | } |
2195 | |
2616 | |
2196 | void |
2617 | void |
2197 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) |
2618 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW |
2198 | { |
2619 | { |
2199 | release_cb = release; |
2620 | release_cb = release; |
2200 | acquire_cb = acquire; |
2621 | acquire_cb = acquire; |
2201 | } |
2622 | } |
2202 | #endif |
2623 | #endif |
2203 | |
2624 | |
2204 | /* initialise a loop structure, must be zero-initialised */ |
2625 | /* initialise a loop structure, must be zero-initialised */ |
2205 | static void noinline ecb_cold |
2626 | static void noinline ecb_cold |
2206 | loop_init (EV_P_ unsigned int flags) |
2627 | loop_init (EV_P_ unsigned int flags) EV_THROW |
2207 | { |
2628 | { |
2208 | if (!backend) |
2629 | if (!backend) |
2209 | { |
2630 | { |
2210 | origflags = flags; |
2631 | origflags = flags; |
2211 | |
2632 | |
… | |
… | |
2256 | #if EV_ASYNC_ENABLE |
2677 | #if EV_ASYNC_ENABLE |
2257 | async_pending = 0; |
2678 | async_pending = 0; |
2258 | #endif |
2679 | #endif |
2259 | pipe_write_skipped = 0; |
2680 | pipe_write_skipped = 0; |
2260 | pipe_write_wanted = 0; |
2681 | pipe_write_wanted = 0; |
|
|
2682 | evpipe [0] = -1; |
|
|
2683 | evpipe [1] = -1; |
2261 | #if EV_USE_INOTIFY |
2684 | #if EV_USE_INOTIFY |
2262 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
2685 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
2263 | #endif |
2686 | #endif |
2264 | #if EV_USE_SIGNALFD |
2687 | #if EV_USE_SIGNALFD |
2265 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
2688 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
… | |
… | |
2316 | EV_INVOKE_PENDING; |
2739 | EV_INVOKE_PENDING; |
2317 | } |
2740 | } |
2318 | #endif |
2741 | #endif |
2319 | |
2742 | |
2320 | #if EV_CHILD_ENABLE |
2743 | #if EV_CHILD_ENABLE |
2321 | if (ev_is_active (&childev)) |
2744 | if (ev_is_default_loop (EV_A) && ev_is_active (&childev)) |
2322 | { |
2745 | { |
2323 | ev_ref (EV_A); /* child watcher */ |
2746 | ev_ref (EV_A); /* child watcher */ |
2324 | ev_signal_stop (EV_A_ &childev); |
2747 | ev_signal_stop (EV_A_ &childev); |
2325 | } |
2748 | } |
2326 | #endif |
2749 | #endif |
… | |
… | |
2328 | if (ev_is_active (&pipe_w)) |
2751 | if (ev_is_active (&pipe_w)) |
2329 | { |
2752 | { |
2330 | /*ev_ref (EV_A);*/ |
2753 | /*ev_ref (EV_A);*/ |
2331 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
2754 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
2332 | |
2755 | |
2333 | #if EV_USE_EVENTFD |
|
|
2334 | if (evfd >= 0) |
|
|
2335 | close (evfd); |
|
|
2336 | #endif |
|
|
2337 | |
|
|
2338 | if (evpipe [0] >= 0) |
|
|
2339 | { |
|
|
2340 | EV_WIN32_CLOSE_FD (evpipe [0]); |
2756 | if (evpipe [0] >= 0) EV_WIN32_CLOSE_FD (evpipe [0]); |
2341 | EV_WIN32_CLOSE_FD (evpipe [1]); |
2757 | if (evpipe [1] >= 0) EV_WIN32_CLOSE_FD (evpipe [1]); |
2342 | } |
|
|
2343 | } |
2758 | } |
2344 | |
2759 | |
2345 | #if EV_USE_SIGNALFD |
2760 | #if EV_USE_SIGNALFD |
2346 | if (ev_is_active (&sigfd_w)) |
2761 | if (ev_is_active (&sigfd_w)) |
2347 | close (sigfd); |
2762 | close (sigfd); |
… | |
… | |
2433 | #endif |
2848 | #endif |
2434 | #if EV_USE_INOTIFY |
2849 | #if EV_USE_INOTIFY |
2435 | infy_fork (EV_A); |
2850 | infy_fork (EV_A); |
2436 | #endif |
2851 | #endif |
2437 | |
2852 | |
|
|
2853 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2438 | if (ev_is_active (&pipe_w)) |
2854 | if (ev_is_active (&pipe_w)) |
2439 | { |
2855 | { |
2440 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
2856 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
2441 | |
2857 | |
2442 | ev_ref (EV_A); |
2858 | ev_ref (EV_A); |
2443 | ev_io_stop (EV_A_ &pipe_w); |
2859 | ev_io_stop (EV_A_ &pipe_w); |
2444 | |
2860 | |
2445 | #if EV_USE_EVENTFD |
|
|
2446 | if (evfd >= 0) |
|
|
2447 | close (evfd); |
|
|
2448 | #endif |
|
|
2449 | |
|
|
2450 | if (evpipe [0] >= 0) |
2861 | if (evpipe [0] >= 0) |
2451 | { |
|
|
2452 | EV_WIN32_CLOSE_FD (evpipe [0]); |
2862 | EV_WIN32_CLOSE_FD (evpipe [0]); |
2453 | EV_WIN32_CLOSE_FD (evpipe [1]); |
|
|
2454 | } |
|
|
2455 | |
2863 | |
2456 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
|
|
2457 | evpipe_init (EV_A); |
2864 | evpipe_init (EV_A); |
2458 | /* now iterate over everything, in case we missed something */ |
2865 | /* iterate over everything, in case we missed something before */ |
2459 | pipecb (EV_A_ &pipe_w, EV_READ); |
2866 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
2460 | #endif |
|
|
2461 | } |
2867 | } |
|
|
2868 | #endif |
2462 | |
2869 | |
2463 | postfork = 0; |
2870 | postfork = 0; |
2464 | } |
2871 | } |
2465 | |
2872 | |
2466 | #if EV_MULTIPLICITY |
2873 | #if EV_MULTIPLICITY |
2467 | |
2874 | |
2468 | struct ev_loop * ecb_cold |
2875 | struct ev_loop * ecb_cold |
2469 | ev_loop_new (unsigned int flags) |
2876 | ev_loop_new (unsigned int flags) EV_THROW |
2470 | { |
2877 | { |
2471 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
2878 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
2472 | |
2879 | |
2473 | memset (EV_A, 0, sizeof (struct ev_loop)); |
2880 | memset (EV_A, 0, sizeof (struct ev_loop)); |
2474 | loop_init (EV_A_ flags); |
2881 | loop_init (EV_A_ flags); |
… | |
… | |
2518 | } |
2925 | } |
2519 | #endif |
2926 | #endif |
2520 | |
2927 | |
2521 | #if EV_FEATURE_API |
2928 | #if EV_FEATURE_API |
2522 | void ecb_cold |
2929 | void ecb_cold |
2523 | ev_verify (EV_P) |
2930 | ev_verify (EV_P) EV_THROW |
2524 | { |
2931 | { |
2525 | #if EV_VERIFY |
2932 | #if EV_VERIFY |
2526 | int i; |
2933 | int i; |
2527 | WL w; |
2934 | WL w, w2; |
2528 | |
2935 | |
2529 | assert (activecnt >= -1); |
2936 | assert (activecnt >= -1); |
2530 | |
2937 | |
2531 | assert (fdchangemax >= fdchangecnt); |
2938 | assert (fdchangemax >= fdchangecnt); |
2532 | for (i = 0; i < fdchangecnt; ++i) |
2939 | for (i = 0; i < fdchangecnt; ++i) |
2533 | assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); |
2940 | assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); |
2534 | |
2941 | |
2535 | assert (anfdmax >= 0); |
2942 | assert (anfdmax >= 0); |
2536 | for (i = 0; i < anfdmax; ++i) |
2943 | for (i = 0; i < anfdmax; ++i) |
|
|
2944 | { |
|
|
2945 | int j = 0; |
|
|
2946 | |
2537 | for (w = anfds [i].head; w; w = w->next) |
2947 | for (w = w2 = anfds [i].head; w; w = w->next) |
2538 | { |
2948 | { |
2539 | verify_watcher (EV_A_ (W)w); |
2949 | verify_watcher (EV_A_ (W)w); |
|
|
2950 | |
|
|
2951 | if (j++ & 1) |
|
|
2952 | { |
|
|
2953 | assert (("libev: io watcher list contains a loop", w != w2)); |
|
|
2954 | w2 = w2->next; |
|
|
2955 | } |
|
|
2956 | |
2540 | assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); |
2957 | assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); |
2541 | assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
2958 | assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
2542 | } |
2959 | } |
|
|
2960 | } |
2543 | |
2961 | |
2544 | assert (timermax >= timercnt); |
2962 | assert (timermax >= timercnt); |
2545 | verify_heap (EV_A_ timers, timercnt); |
2963 | verify_heap (EV_A_ timers, timercnt); |
2546 | |
2964 | |
2547 | #if EV_PERIODIC_ENABLE |
2965 | #if EV_PERIODIC_ENABLE |
… | |
… | |
2597 | #if EV_MULTIPLICITY |
3015 | #if EV_MULTIPLICITY |
2598 | struct ev_loop * ecb_cold |
3016 | struct ev_loop * ecb_cold |
2599 | #else |
3017 | #else |
2600 | int |
3018 | int |
2601 | #endif |
3019 | #endif |
2602 | ev_default_loop (unsigned int flags) |
3020 | ev_default_loop (unsigned int flags) EV_THROW |
2603 | { |
3021 | { |
2604 | if (!ev_default_loop_ptr) |
3022 | if (!ev_default_loop_ptr) |
2605 | { |
3023 | { |
2606 | #if EV_MULTIPLICITY |
3024 | #if EV_MULTIPLICITY |
2607 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
3025 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
… | |
… | |
2626 | |
3044 | |
2627 | return ev_default_loop_ptr; |
3045 | return ev_default_loop_ptr; |
2628 | } |
3046 | } |
2629 | |
3047 | |
2630 | void |
3048 | void |
2631 | ev_loop_fork (EV_P) |
3049 | ev_loop_fork (EV_P) EV_THROW |
2632 | { |
3050 | { |
2633 | postfork = 1; /* must be in line with ev_default_fork */ |
3051 | postfork = 1; |
2634 | } |
3052 | } |
2635 | |
3053 | |
2636 | /*****************************************************************************/ |
3054 | /*****************************************************************************/ |
2637 | |
3055 | |
2638 | void |
3056 | void |
… | |
… | |
2640 | { |
3058 | { |
2641 | EV_CB_INVOKE ((W)w, revents); |
3059 | EV_CB_INVOKE ((W)w, revents); |
2642 | } |
3060 | } |
2643 | |
3061 | |
2644 | unsigned int |
3062 | unsigned int |
2645 | ev_pending_count (EV_P) |
3063 | ev_pending_count (EV_P) EV_THROW |
2646 | { |
3064 | { |
2647 | int pri; |
3065 | int pri; |
2648 | unsigned int count = 0; |
3066 | unsigned int count = 0; |
2649 | |
3067 | |
2650 | for (pri = NUMPRI; pri--; ) |
3068 | for (pri = NUMPRI; pri--; ) |
… | |
… | |
2654 | } |
3072 | } |
2655 | |
3073 | |
2656 | void noinline |
3074 | void noinline |
2657 | ev_invoke_pending (EV_P) |
3075 | ev_invoke_pending (EV_P) |
2658 | { |
3076 | { |
2659 | int pri; |
3077 | pendingpri = NUMPRI; |
2660 | |
3078 | |
2661 | for (pri = NUMPRI; pri--; ) |
3079 | while (pendingpri) /* pendingpri possibly gets modified in the inner loop */ |
|
|
3080 | { |
|
|
3081 | --pendingpri; |
|
|
3082 | |
2662 | while (pendingcnt [pri]) |
3083 | while (pendingcnt [pendingpri]) |
2663 | { |
3084 | { |
2664 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
3085 | ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri]; |
2665 | |
3086 | |
2666 | p->w->pending = 0; |
3087 | p->w->pending = 0; |
2667 | EV_CB_INVOKE (p->w, p->events); |
3088 | EV_CB_INVOKE (p->w, p->events); |
2668 | EV_FREQUENT_CHECK; |
3089 | EV_FREQUENT_CHECK; |
2669 | } |
3090 | } |
|
|
3091 | } |
2670 | } |
3092 | } |
2671 | |
3093 | |
2672 | #if EV_IDLE_ENABLE |
3094 | #if EV_IDLE_ENABLE |
2673 | /* make idle watchers pending. this handles the "call-idle */ |
3095 | /* make idle watchers pending. this handles the "call-idle */ |
2674 | /* only when higher priorities are idle" logic */ |
3096 | /* only when higher priorities are idle" logic */ |
… | |
… | |
2764 | { |
3186 | { |
2765 | EV_FREQUENT_CHECK; |
3187 | EV_FREQUENT_CHECK; |
2766 | |
3188 | |
2767 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
3189 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
2768 | { |
3190 | { |
2769 | int feed_count = 0; |
|
|
2770 | |
|
|
2771 | do |
3191 | do |
2772 | { |
3192 | { |
2773 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
3193 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
2774 | |
3194 | |
2775 | /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ |
3195 | /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ |
… | |
… | |
2909 | |
3329 | |
2910 | mn_now = ev_rt_now; |
3330 | mn_now = ev_rt_now; |
2911 | } |
3331 | } |
2912 | } |
3332 | } |
2913 | |
3333 | |
2914 | void |
3334 | int |
2915 | ev_run (EV_P_ int flags) |
3335 | ev_run (EV_P_ int flags) |
2916 | { |
3336 | { |
2917 | #if EV_FEATURE_API |
3337 | #if EV_FEATURE_API |
2918 | ++loop_depth; |
3338 | ++loop_depth; |
2919 | #endif |
3339 | #endif |
… | |
… | |
3034 | backend_poll (EV_A_ waittime); |
3454 | backend_poll (EV_A_ waittime); |
3035 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
3455 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
3036 | |
3456 | |
3037 | pipe_write_wanted = 0; /* just an optimisation, no fence needed */ |
3457 | pipe_write_wanted = 0; /* just an optimisation, no fence needed */ |
3038 | |
3458 | |
|
|
3459 | ECB_MEMORY_FENCE_ACQUIRE; |
3039 | if (pipe_write_skipped) |
3460 | if (pipe_write_skipped) |
3040 | { |
3461 | { |
3041 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
3462 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
3042 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
3463 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
3043 | } |
3464 | } |
… | |
… | |
3076 | loop_done = EVBREAK_CANCEL; |
3497 | loop_done = EVBREAK_CANCEL; |
3077 | |
3498 | |
3078 | #if EV_FEATURE_API |
3499 | #if EV_FEATURE_API |
3079 | --loop_depth; |
3500 | --loop_depth; |
3080 | #endif |
3501 | #endif |
|
|
3502 | |
|
|
3503 | return activecnt; |
3081 | } |
3504 | } |
3082 | |
3505 | |
3083 | void |
3506 | void |
3084 | ev_break (EV_P_ int how) |
3507 | ev_break (EV_P_ int how) EV_THROW |
3085 | { |
3508 | { |
3086 | loop_done = how; |
3509 | loop_done = how; |
3087 | } |
3510 | } |
3088 | |
3511 | |
3089 | void |
3512 | void |
3090 | ev_ref (EV_P) |
3513 | ev_ref (EV_P) EV_THROW |
3091 | { |
3514 | { |
3092 | ++activecnt; |
3515 | ++activecnt; |
3093 | } |
3516 | } |
3094 | |
3517 | |
3095 | void |
3518 | void |
3096 | ev_unref (EV_P) |
3519 | ev_unref (EV_P) EV_THROW |
3097 | { |
3520 | { |
3098 | --activecnt; |
3521 | --activecnt; |
3099 | } |
3522 | } |
3100 | |
3523 | |
3101 | void |
3524 | void |
3102 | ev_now_update (EV_P) |
3525 | ev_now_update (EV_P) EV_THROW |
3103 | { |
3526 | { |
3104 | time_update (EV_A_ 1e100); |
3527 | time_update (EV_A_ 1e100); |
3105 | } |
3528 | } |
3106 | |
3529 | |
3107 | void |
3530 | void |
3108 | ev_suspend (EV_P) |
3531 | ev_suspend (EV_P) EV_THROW |
3109 | { |
3532 | { |
3110 | ev_now_update (EV_A); |
3533 | ev_now_update (EV_A); |
3111 | } |
3534 | } |
3112 | |
3535 | |
3113 | void |
3536 | void |
3114 | ev_resume (EV_P) |
3537 | ev_resume (EV_P) EV_THROW |
3115 | { |
3538 | { |
3116 | ev_tstamp mn_prev = mn_now; |
3539 | ev_tstamp mn_prev = mn_now; |
3117 | |
3540 | |
3118 | ev_now_update (EV_A); |
3541 | ev_now_update (EV_A); |
3119 | timers_reschedule (EV_A_ mn_now - mn_prev); |
3542 | timers_reschedule (EV_A_ mn_now - mn_prev); |
… | |
… | |
3158 | w->pending = 0; |
3581 | w->pending = 0; |
3159 | } |
3582 | } |
3160 | } |
3583 | } |
3161 | |
3584 | |
3162 | int |
3585 | int |
3163 | ev_clear_pending (EV_P_ void *w) |
3586 | ev_clear_pending (EV_P_ void *w) EV_THROW |
3164 | { |
3587 | { |
3165 | W w_ = (W)w; |
3588 | W w_ = (W)w; |
3166 | int pending = w_->pending; |
3589 | int pending = w_->pending; |
3167 | |
3590 | |
3168 | if (expect_true (pending)) |
3591 | if (expect_true (pending)) |
… | |
… | |
3201 | } |
3624 | } |
3202 | |
3625 | |
3203 | /*****************************************************************************/ |
3626 | /*****************************************************************************/ |
3204 | |
3627 | |
3205 | void noinline |
3628 | void noinline |
3206 | ev_io_start (EV_P_ ev_io *w) |
3629 | ev_io_start (EV_P_ ev_io *w) EV_THROW |
3207 | { |
3630 | { |
3208 | int fd = w->fd; |
3631 | int fd = w->fd; |
3209 | |
3632 | |
3210 | if (expect_false (ev_is_active (w))) |
3633 | if (expect_false (ev_is_active (w))) |
3211 | return; |
3634 | return; |
… | |
… | |
3217 | |
3640 | |
3218 | ev_start (EV_A_ (W)w, 1); |
3641 | ev_start (EV_A_ (W)w, 1); |
3219 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
3642 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
3220 | wlist_add (&anfds[fd].head, (WL)w); |
3643 | wlist_add (&anfds[fd].head, (WL)w); |
3221 | |
3644 | |
|
|
3645 | /* common bug, apparently */ |
|
|
3646 | assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w)); |
|
|
3647 | |
3222 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); |
3648 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); |
3223 | w->events &= ~EV__IOFDSET; |
3649 | w->events &= ~EV__IOFDSET; |
3224 | |
3650 | |
3225 | EV_FREQUENT_CHECK; |
3651 | EV_FREQUENT_CHECK; |
3226 | } |
3652 | } |
3227 | |
3653 | |
3228 | void noinline |
3654 | void noinline |
3229 | ev_io_stop (EV_P_ ev_io *w) |
3655 | ev_io_stop (EV_P_ ev_io *w) EV_THROW |
3230 | { |
3656 | { |
3231 | clear_pending (EV_A_ (W)w); |
3657 | clear_pending (EV_A_ (W)w); |
3232 | if (expect_false (!ev_is_active (w))) |
3658 | if (expect_false (!ev_is_active (w))) |
3233 | return; |
3659 | return; |
3234 | |
3660 | |
… | |
… | |
3243 | |
3669 | |
3244 | EV_FREQUENT_CHECK; |
3670 | EV_FREQUENT_CHECK; |
3245 | } |
3671 | } |
3246 | |
3672 | |
3247 | void noinline |
3673 | void noinline |
3248 | ev_timer_start (EV_P_ ev_timer *w) |
3674 | ev_timer_start (EV_P_ ev_timer *w) EV_THROW |
3249 | { |
3675 | { |
3250 | if (expect_false (ev_is_active (w))) |
3676 | if (expect_false (ev_is_active (w))) |
3251 | return; |
3677 | return; |
3252 | |
3678 | |
3253 | ev_at (w) += mn_now; |
3679 | ev_at (w) += mn_now; |
… | |
… | |
3267 | |
3693 | |
3268 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
3694 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
3269 | } |
3695 | } |
3270 | |
3696 | |
3271 | void noinline |
3697 | void noinline |
3272 | ev_timer_stop (EV_P_ ev_timer *w) |
3698 | ev_timer_stop (EV_P_ ev_timer *w) EV_THROW |
3273 | { |
3699 | { |
3274 | clear_pending (EV_A_ (W)w); |
3700 | clear_pending (EV_A_ (W)w); |
3275 | if (expect_false (!ev_is_active (w))) |
3701 | if (expect_false (!ev_is_active (w))) |
3276 | return; |
3702 | return; |
3277 | |
3703 | |
… | |
… | |
3297 | |
3723 | |
3298 | EV_FREQUENT_CHECK; |
3724 | EV_FREQUENT_CHECK; |
3299 | } |
3725 | } |
3300 | |
3726 | |
3301 | void noinline |
3727 | void noinline |
3302 | ev_timer_again (EV_P_ ev_timer *w) |
3728 | ev_timer_again (EV_P_ ev_timer *w) EV_THROW |
3303 | { |
3729 | { |
3304 | EV_FREQUENT_CHECK; |
3730 | EV_FREQUENT_CHECK; |
3305 | |
3731 | |
3306 | clear_pending (EV_A_ (W)w); |
3732 | clear_pending (EV_A_ (W)w); |
3307 | |
3733 | |
… | |
… | |
3324 | |
3750 | |
3325 | EV_FREQUENT_CHECK; |
3751 | EV_FREQUENT_CHECK; |
3326 | } |
3752 | } |
3327 | |
3753 | |
3328 | ev_tstamp |
3754 | ev_tstamp |
3329 | ev_timer_remaining (EV_P_ ev_timer *w) |
3755 | ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW |
3330 | { |
3756 | { |
3331 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
3757 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
3332 | } |
3758 | } |
3333 | |
3759 | |
3334 | #if EV_PERIODIC_ENABLE |
3760 | #if EV_PERIODIC_ENABLE |
3335 | void noinline |
3761 | void noinline |
3336 | ev_periodic_start (EV_P_ ev_periodic *w) |
3762 | ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW |
3337 | { |
3763 | { |
3338 | if (expect_false (ev_is_active (w))) |
3764 | if (expect_false (ev_is_active (w))) |
3339 | return; |
3765 | return; |
3340 | |
3766 | |
3341 | if (w->reschedule_cb) |
3767 | if (w->reschedule_cb) |
… | |
… | |
3361 | |
3787 | |
3362 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
3788 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
3363 | } |
3789 | } |
3364 | |
3790 | |
3365 | void noinline |
3791 | void noinline |
3366 | ev_periodic_stop (EV_P_ ev_periodic *w) |
3792 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW |
3367 | { |
3793 | { |
3368 | clear_pending (EV_A_ (W)w); |
3794 | clear_pending (EV_A_ (W)w); |
3369 | if (expect_false (!ev_is_active (w))) |
3795 | if (expect_false (!ev_is_active (w))) |
3370 | return; |
3796 | return; |
3371 | |
3797 | |
… | |
… | |
3389 | |
3815 | |
3390 | EV_FREQUENT_CHECK; |
3816 | EV_FREQUENT_CHECK; |
3391 | } |
3817 | } |
3392 | |
3818 | |
3393 | void noinline |
3819 | void noinline |
3394 | ev_periodic_again (EV_P_ ev_periodic *w) |
3820 | ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW |
3395 | { |
3821 | { |
3396 | /* TODO: use adjustheap and recalculation */ |
3822 | /* TODO: use adjustheap and recalculation */ |
3397 | ev_periodic_stop (EV_A_ w); |
3823 | ev_periodic_stop (EV_A_ w); |
3398 | ev_periodic_start (EV_A_ w); |
3824 | ev_periodic_start (EV_A_ w); |
3399 | } |
3825 | } |
… | |
… | |
3404 | #endif |
3830 | #endif |
3405 | |
3831 | |
3406 | #if EV_SIGNAL_ENABLE |
3832 | #if EV_SIGNAL_ENABLE |
3407 | |
3833 | |
3408 | void noinline |
3834 | void noinline |
3409 | ev_signal_start (EV_P_ ev_signal *w) |
3835 | ev_signal_start (EV_P_ ev_signal *w) EV_THROW |
3410 | { |
3836 | { |
3411 | if (expect_false (ev_is_active (w))) |
3837 | if (expect_false (ev_is_active (w))) |
3412 | return; |
3838 | return; |
3413 | |
3839 | |
3414 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
3840 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
… | |
… | |
3416 | #if EV_MULTIPLICITY |
3842 | #if EV_MULTIPLICITY |
3417 | assert (("libev: a signal must not be attached to two different loops", |
3843 | assert (("libev: a signal must not be attached to two different loops", |
3418 | !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop)); |
3844 | !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop)); |
3419 | |
3845 | |
3420 | signals [w->signum - 1].loop = EV_A; |
3846 | signals [w->signum - 1].loop = EV_A; |
|
|
3847 | ECB_MEMORY_FENCE_RELEASE; |
3421 | #endif |
3848 | #endif |
3422 | |
3849 | |
3423 | EV_FREQUENT_CHECK; |
3850 | EV_FREQUENT_CHECK; |
3424 | |
3851 | |
3425 | #if EV_USE_SIGNALFD |
3852 | #if EV_USE_SIGNALFD |
… | |
… | |
3485 | |
3912 | |
3486 | EV_FREQUENT_CHECK; |
3913 | EV_FREQUENT_CHECK; |
3487 | } |
3914 | } |
3488 | |
3915 | |
3489 | void noinline |
3916 | void noinline |
3490 | ev_signal_stop (EV_P_ ev_signal *w) |
3917 | ev_signal_stop (EV_P_ ev_signal *w) EV_THROW |
3491 | { |
3918 | { |
3492 | clear_pending (EV_A_ (W)w); |
3919 | clear_pending (EV_A_ (W)w); |
3493 | if (expect_false (!ev_is_active (w))) |
3920 | if (expect_false (!ev_is_active (w))) |
3494 | return; |
3921 | return; |
3495 | |
3922 | |
… | |
… | |
3526 | #endif |
3953 | #endif |
3527 | |
3954 | |
3528 | #if EV_CHILD_ENABLE |
3955 | #if EV_CHILD_ENABLE |
3529 | |
3956 | |
3530 | void |
3957 | void |
3531 | ev_child_start (EV_P_ ev_child *w) |
3958 | ev_child_start (EV_P_ ev_child *w) EV_THROW |
3532 | { |
3959 | { |
3533 | #if EV_MULTIPLICITY |
3960 | #if EV_MULTIPLICITY |
3534 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
3961 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
3535 | #endif |
3962 | #endif |
3536 | if (expect_false (ev_is_active (w))) |
3963 | if (expect_false (ev_is_active (w))) |
… | |
… | |
3543 | |
3970 | |
3544 | EV_FREQUENT_CHECK; |
3971 | EV_FREQUENT_CHECK; |
3545 | } |
3972 | } |
3546 | |
3973 | |
3547 | void |
3974 | void |
3548 | ev_child_stop (EV_P_ ev_child *w) |
3975 | ev_child_stop (EV_P_ ev_child *w) EV_THROW |
3549 | { |
3976 | { |
3550 | clear_pending (EV_A_ (W)w); |
3977 | clear_pending (EV_A_ (W)w); |
3551 | if (expect_false (!ev_is_active (w))) |
3978 | if (expect_false (!ev_is_active (w))) |
3552 | return; |
3979 | return; |
3553 | |
3980 | |
… | |
… | |
3580 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
4007 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
3581 | |
4008 | |
3582 | static void noinline |
4009 | static void noinline |
3583 | infy_add (EV_P_ ev_stat *w) |
4010 | infy_add (EV_P_ ev_stat *w) |
3584 | { |
4011 | { |
3585 | w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD); |
4012 | w->wd = inotify_add_watch (fs_fd, w->path, |
|
|
4013 | IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY |
|
|
4014 | | IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO |
|
|
4015 | | IN_DONT_FOLLOW | IN_MASK_ADD); |
3586 | |
4016 | |
3587 | if (w->wd >= 0) |
4017 | if (w->wd >= 0) |
3588 | { |
4018 | { |
3589 | struct statfs sfs; |
4019 | struct statfs sfs; |
3590 | |
4020 | |
… | |
… | |
3594 | |
4024 | |
3595 | if (!fs_2625) |
4025 | if (!fs_2625) |
3596 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
4026 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
3597 | else if (!statfs (w->path, &sfs) |
4027 | else if (!statfs (w->path, &sfs) |
3598 | && (sfs.f_type == 0x1373 /* devfs */ |
4028 | && (sfs.f_type == 0x1373 /* devfs */ |
|
|
4029 | || sfs.f_type == 0x4006 /* fat */ |
|
|
4030 | || sfs.f_type == 0x4d44 /* msdos */ |
3599 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
4031 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
4032 | || sfs.f_type == 0x72b6 /* jffs2 */ |
|
|
4033 | || sfs.f_type == 0x858458f6 /* ramfs */ |
|
|
4034 | || sfs.f_type == 0x5346544e /* ntfs */ |
3600 | || sfs.f_type == 0x3153464a /* jfs */ |
4035 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
4036 | || sfs.f_type == 0x9123683e /* btrfs */ |
3601 | || sfs.f_type == 0x52654973 /* reiser3 */ |
4037 | || sfs.f_type == 0x52654973 /* reiser3 */ |
3602 | || sfs.f_type == 0x01021994 /* tempfs */ |
4038 | || sfs.f_type == 0x01021994 /* tmpfs */ |
3603 | || sfs.f_type == 0x58465342 /* xfs */)) |
4039 | || sfs.f_type == 0x58465342 /* xfs */)) |
3604 | w->timer.repeat = 0.; /* filesystem is local, kernel new enough */ |
4040 | w->timer.repeat = 0.; /* filesystem is local, kernel new enough */ |
3605 | else |
4041 | else |
3606 | w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */ |
4042 | w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */ |
3607 | } |
4043 | } |
… | |
… | |
3720 | } |
4156 | } |
3721 | |
4157 | |
3722 | inline_size int |
4158 | inline_size int |
3723 | infy_newfd (void) |
4159 | infy_newfd (void) |
3724 | { |
4160 | { |
3725 | #if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) |
4161 | #if defined IN_CLOEXEC && defined IN_NONBLOCK |
3726 | int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); |
4162 | int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); |
3727 | if (fd >= 0) |
4163 | if (fd >= 0) |
3728 | return fd; |
4164 | return fd; |
3729 | #endif |
4165 | #endif |
3730 | return inotify_init (); |
4166 | return inotify_init (); |
… | |
… | |
3805 | #else |
4241 | #else |
3806 | # define EV_LSTAT(p,b) lstat (p, b) |
4242 | # define EV_LSTAT(p,b) lstat (p, b) |
3807 | #endif |
4243 | #endif |
3808 | |
4244 | |
3809 | void |
4245 | void |
3810 | ev_stat_stat (EV_P_ ev_stat *w) |
4246 | ev_stat_stat (EV_P_ ev_stat *w) EV_THROW |
3811 | { |
4247 | { |
3812 | if (lstat (w->path, &w->attr) < 0) |
4248 | if (lstat (w->path, &w->attr) < 0) |
3813 | w->attr.st_nlink = 0; |
4249 | w->attr.st_nlink = 0; |
3814 | else if (!w->attr.st_nlink) |
4250 | else if (!w->attr.st_nlink) |
3815 | w->attr.st_nlink = 1; |
4251 | w->attr.st_nlink = 1; |
… | |
… | |
3854 | ev_feed_event (EV_A_ w, EV_STAT); |
4290 | ev_feed_event (EV_A_ w, EV_STAT); |
3855 | } |
4291 | } |
3856 | } |
4292 | } |
3857 | |
4293 | |
3858 | void |
4294 | void |
3859 | ev_stat_start (EV_P_ ev_stat *w) |
4295 | ev_stat_start (EV_P_ ev_stat *w) EV_THROW |
3860 | { |
4296 | { |
3861 | if (expect_false (ev_is_active (w))) |
4297 | if (expect_false (ev_is_active (w))) |
3862 | return; |
4298 | return; |
3863 | |
4299 | |
3864 | ev_stat_stat (EV_A_ w); |
4300 | ev_stat_stat (EV_A_ w); |
… | |
… | |
3885 | |
4321 | |
3886 | EV_FREQUENT_CHECK; |
4322 | EV_FREQUENT_CHECK; |
3887 | } |
4323 | } |
3888 | |
4324 | |
3889 | void |
4325 | void |
3890 | ev_stat_stop (EV_P_ ev_stat *w) |
4326 | ev_stat_stop (EV_P_ ev_stat *w) EV_THROW |
3891 | { |
4327 | { |
3892 | clear_pending (EV_A_ (W)w); |
4328 | clear_pending (EV_A_ (W)w); |
3893 | if (expect_false (!ev_is_active (w))) |
4329 | if (expect_false (!ev_is_active (w))) |
3894 | return; |
4330 | return; |
3895 | |
4331 | |
… | |
… | |
3911 | } |
4347 | } |
3912 | #endif |
4348 | #endif |
3913 | |
4349 | |
3914 | #if EV_IDLE_ENABLE |
4350 | #if EV_IDLE_ENABLE |
3915 | void |
4351 | void |
3916 | ev_idle_start (EV_P_ ev_idle *w) |
4352 | ev_idle_start (EV_P_ ev_idle *w) EV_THROW |
3917 | { |
4353 | { |
3918 | if (expect_false (ev_is_active (w))) |
4354 | if (expect_false (ev_is_active (w))) |
3919 | return; |
4355 | return; |
3920 | |
4356 | |
3921 | pri_adjust (EV_A_ (W)w); |
4357 | pri_adjust (EV_A_ (W)w); |
… | |
… | |
3934 | |
4370 | |
3935 | EV_FREQUENT_CHECK; |
4371 | EV_FREQUENT_CHECK; |
3936 | } |
4372 | } |
3937 | |
4373 | |
3938 | void |
4374 | void |
3939 | ev_idle_stop (EV_P_ ev_idle *w) |
4375 | ev_idle_stop (EV_P_ ev_idle *w) EV_THROW |
3940 | { |
4376 | { |
3941 | clear_pending (EV_A_ (W)w); |
4377 | clear_pending (EV_A_ (W)w); |
3942 | if (expect_false (!ev_is_active (w))) |
4378 | if (expect_false (!ev_is_active (w))) |
3943 | return; |
4379 | return; |
3944 | |
4380 | |
… | |
… | |
3958 | } |
4394 | } |
3959 | #endif |
4395 | #endif |
3960 | |
4396 | |
3961 | #if EV_PREPARE_ENABLE |
4397 | #if EV_PREPARE_ENABLE |
3962 | void |
4398 | void |
3963 | ev_prepare_start (EV_P_ ev_prepare *w) |
4399 | ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW |
3964 | { |
4400 | { |
3965 | if (expect_false (ev_is_active (w))) |
4401 | if (expect_false (ev_is_active (w))) |
3966 | return; |
4402 | return; |
3967 | |
4403 | |
3968 | EV_FREQUENT_CHECK; |
4404 | EV_FREQUENT_CHECK; |
… | |
… | |
3973 | |
4409 | |
3974 | EV_FREQUENT_CHECK; |
4410 | EV_FREQUENT_CHECK; |
3975 | } |
4411 | } |
3976 | |
4412 | |
3977 | void |
4413 | void |
3978 | ev_prepare_stop (EV_P_ ev_prepare *w) |
4414 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW |
3979 | { |
4415 | { |
3980 | clear_pending (EV_A_ (W)w); |
4416 | clear_pending (EV_A_ (W)w); |
3981 | if (expect_false (!ev_is_active (w))) |
4417 | if (expect_false (!ev_is_active (w))) |
3982 | return; |
4418 | return; |
3983 | |
4419 | |
… | |
… | |
3996 | } |
4432 | } |
3997 | #endif |
4433 | #endif |
3998 | |
4434 | |
3999 | #if EV_CHECK_ENABLE |
4435 | #if EV_CHECK_ENABLE |
4000 | void |
4436 | void |
4001 | ev_check_start (EV_P_ ev_check *w) |
4437 | ev_check_start (EV_P_ ev_check *w) EV_THROW |
4002 | { |
4438 | { |
4003 | if (expect_false (ev_is_active (w))) |
4439 | if (expect_false (ev_is_active (w))) |
4004 | return; |
4440 | return; |
4005 | |
4441 | |
4006 | EV_FREQUENT_CHECK; |
4442 | EV_FREQUENT_CHECK; |
… | |
… | |
4011 | |
4447 | |
4012 | EV_FREQUENT_CHECK; |
4448 | EV_FREQUENT_CHECK; |
4013 | } |
4449 | } |
4014 | |
4450 | |
4015 | void |
4451 | void |
4016 | ev_check_stop (EV_P_ ev_check *w) |
4452 | ev_check_stop (EV_P_ ev_check *w) EV_THROW |
4017 | { |
4453 | { |
4018 | clear_pending (EV_A_ (W)w); |
4454 | clear_pending (EV_A_ (W)w); |
4019 | if (expect_false (!ev_is_active (w))) |
4455 | if (expect_false (!ev_is_active (w))) |
4020 | return; |
4456 | return; |
4021 | |
4457 | |
… | |
… | |
4034 | } |
4470 | } |
4035 | #endif |
4471 | #endif |
4036 | |
4472 | |
4037 | #if EV_EMBED_ENABLE |
4473 | #if EV_EMBED_ENABLE |
4038 | void noinline |
4474 | void noinline |
4039 | ev_embed_sweep (EV_P_ ev_embed *w) |
4475 | ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW |
4040 | { |
4476 | { |
4041 | ev_run (w->other, EVRUN_NOWAIT); |
4477 | ev_run (w->other, EVRUN_NOWAIT); |
4042 | } |
4478 | } |
4043 | |
4479 | |
4044 | static void |
4480 | static void |
… | |
… | |
4092 | ev_idle_stop (EV_A_ idle); |
4528 | ev_idle_stop (EV_A_ idle); |
4093 | } |
4529 | } |
4094 | #endif |
4530 | #endif |
4095 | |
4531 | |
4096 | void |
4532 | void |
4097 | ev_embed_start (EV_P_ ev_embed *w) |
4533 | ev_embed_start (EV_P_ ev_embed *w) EV_THROW |
4098 | { |
4534 | { |
4099 | if (expect_false (ev_is_active (w))) |
4535 | if (expect_false (ev_is_active (w))) |
4100 | return; |
4536 | return; |
4101 | |
4537 | |
4102 | { |
4538 | { |
… | |
… | |
4123 | |
4559 | |
4124 | EV_FREQUENT_CHECK; |
4560 | EV_FREQUENT_CHECK; |
4125 | } |
4561 | } |
4126 | |
4562 | |
4127 | void |
4563 | void |
4128 | ev_embed_stop (EV_P_ ev_embed *w) |
4564 | ev_embed_stop (EV_P_ ev_embed *w) EV_THROW |
4129 | { |
4565 | { |
4130 | clear_pending (EV_A_ (W)w); |
4566 | clear_pending (EV_A_ (W)w); |
4131 | if (expect_false (!ev_is_active (w))) |
4567 | if (expect_false (!ev_is_active (w))) |
4132 | return; |
4568 | return; |
4133 | |
4569 | |
… | |
… | |
4143 | } |
4579 | } |
4144 | #endif |
4580 | #endif |
4145 | |
4581 | |
4146 | #if EV_FORK_ENABLE |
4582 | #if EV_FORK_ENABLE |
4147 | void |
4583 | void |
4148 | ev_fork_start (EV_P_ ev_fork *w) |
4584 | ev_fork_start (EV_P_ ev_fork *w) EV_THROW |
4149 | { |
4585 | { |
4150 | if (expect_false (ev_is_active (w))) |
4586 | if (expect_false (ev_is_active (w))) |
4151 | return; |
4587 | return; |
4152 | |
4588 | |
4153 | EV_FREQUENT_CHECK; |
4589 | EV_FREQUENT_CHECK; |
… | |
… | |
4158 | |
4594 | |
4159 | EV_FREQUENT_CHECK; |
4595 | EV_FREQUENT_CHECK; |
4160 | } |
4596 | } |
4161 | |
4597 | |
4162 | void |
4598 | void |
4163 | ev_fork_stop (EV_P_ ev_fork *w) |
4599 | ev_fork_stop (EV_P_ ev_fork *w) EV_THROW |
4164 | { |
4600 | { |
4165 | clear_pending (EV_A_ (W)w); |
4601 | clear_pending (EV_A_ (W)w); |
4166 | if (expect_false (!ev_is_active (w))) |
4602 | if (expect_false (!ev_is_active (w))) |
4167 | return; |
4603 | return; |
4168 | |
4604 | |
… | |
… | |
4181 | } |
4617 | } |
4182 | #endif |
4618 | #endif |
4183 | |
4619 | |
4184 | #if EV_CLEANUP_ENABLE |
4620 | #if EV_CLEANUP_ENABLE |
4185 | void |
4621 | void |
4186 | ev_cleanup_start (EV_P_ ev_cleanup *w) |
4622 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW |
4187 | { |
4623 | { |
4188 | if (expect_false (ev_is_active (w))) |
4624 | if (expect_false (ev_is_active (w))) |
4189 | return; |
4625 | return; |
4190 | |
4626 | |
4191 | EV_FREQUENT_CHECK; |
4627 | EV_FREQUENT_CHECK; |
… | |
… | |
4198 | ev_unref (EV_A); |
4634 | ev_unref (EV_A); |
4199 | EV_FREQUENT_CHECK; |
4635 | EV_FREQUENT_CHECK; |
4200 | } |
4636 | } |
4201 | |
4637 | |
4202 | void |
4638 | void |
4203 | ev_cleanup_stop (EV_P_ ev_cleanup *w) |
4639 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW |
4204 | { |
4640 | { |
4205 | clear_pending (EV_A_ (W)w); |
4641 | clear_pending (EV_A_ (W)w); |
4206 | if (expect_false (!ev_is_active (w))) |
4642 | if (expect_false (!ev_is_active (w))) |
4207 | return; |
4643 | return; |
4208 | |
4644 | |
… | |
… | |
4222 | } |
4658 | } |
4223 | #endif |
4659 | #endif |
4224 | |
4660 | |
4225 | #if EV_ASYNC_ENABLE |
4661 | #if EV_ASYNC_ENABLE |
4226 | void |
4662 | void |
4227 | ev_async_start (EV_P_ ev_async *w) |
4663 | ev_async_start (EV_P_ ev_async *w) EV_THROW |
4228 | { |
4664 | { |
4229 | if (expect_false (ev_is_active (w))) |
4665 | if (expect_false (ev_is_active (w))) |
4230 | return; |
4666 | return; |
4231 | |
4667 | |
4232 | w->sent = 0; |
4668 | w->sent = 0; |
… | |
… | |
4241 | |
4677 | |
4242 | EV_FREQUENT_CHECK; |
4678 | EV_FREQUENT_CHECK; |
4243 | } |
4679 | } |
4244 | |
4680 | |
4245 | void |
4681 | void |
4246 | ev_async_stop (EV_P_ ev_async *w) |
4682 | ev_async_stop (EV_P_ ev_async *w) EV_THROW |
4247 | { |
4683 | { |
4248 | clear_pending (EV_A_ (W)w); |
4684 | clear_pending (EV_A_ (W)w); |
4249 | if (expect_false (!ev_is_active (w))) |
4685 | if (expect_false (!ev_is_active (w))) |
4250 | return; |
4686 | return; |
4251 | |
4687 | |
… | |
… | |
4262 | |
4698 | |
4263 | EV_FREQUENT_CHECK; |
4699 | EV_FREQUENT_CHECK; |
4264 | } |
4700 | } |
4265 | |
4701 | |
4266 | void |
4702 | void |
4267 | ev_async_send (EV_P_ ev_async *w) |
4703 | ev_async_send (EV_P_ ev_async *w) EV_THROW |
4268 | { |
4704 | { |
4269 | w->sent = 1; |
4705 | w->sent = 1; |
4270 | evpipe_write (EV_A_ &async_pending); |
4706 | evpipe_write (EV_A_ &async_pending); |
4271 | } |
4707 | } |
4272 | #endif |
4708 | #endif |
… | |
… | |
4309 | |
4745 | |
4310 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
4746 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
4311 | } |
4747 | } |
4312 | |
4748 | |
4313 | void |
4749 | void |
4314 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
4750 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW |
4315 | { |
4751 | { |
4316 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
4752 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
4317 | |
4753 | |
4318 | if (expect_false (!once)) |
4754 | if (expect_false (!once)) |
4319 | { |
4755 | { |
… | |
… | |
4341 | |
4777 | |
4342 | /*****************************************************************************/ |
4778 | /*****************************************************************************/ |
4343 | |
4779 | |
4344 | #if EV_WALK_ENABLE |
4780 | #if EV_WALK_ENABLE |
4345 | void ecb_cold |
4781 | void ecb_cold |
4346 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) |
4782 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW |
4347 | { |
4783 | { |
4348 | int i, j; |
4784 | int i, j; |
4349 | ev_watcher_list *wl, *wn; |
4785 | ev_watcher_list *wl, *wn; |
4350 | |
4786 | |
4351 | if (types & (EV_IO | EV_EMBED)) |
4787 | if (types & (EV_IO | EV_EMBED)) |