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 | |
|
|
188 | #if EV_NO_THREADS |
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|
189 | # undef EV_NO_SMP |
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|
190 | # define EV_NO_SMP 1 |
|
|
191 | # undef ECB_NO_THREADS |
|
|
192 | # define ECB_NO_THREADS 1 |
|
|
193 | #endif |
|
|
194 | #if EV_NO_SMP |
|
|
195 | # undef EV_NO_SMP |
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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, */ |
|
|
236 | /* but consider reporting it, too! :) */ |
|
|
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 |
|
|
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 |
|
|
374 | # define EV_USE_CLOCK_SYSCALL 0 |
|
|
375 | #endif |
|
|
376 | |
|
|
377 | /* aix's poll.h seems to cause lots of trouble */ |
|
|
378 | #ifdef _AIX |
|
|
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 |
|
|
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 (©) 2009-2015 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 0x00010004 |
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 | #define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__) |
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572 | #define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64) |
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573 | |
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574 | /* work around x32 idiocy by defining proper macros */ |
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575 | #if ECB_GCC_AMD64 || ECB_MSVC_AMD64 |
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576 | #if _ILP32 |
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577 | #define ECB_AMD64_X32 1 |
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578 | #else |
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579 | #define ECB_AMD64 1 |
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580 | #endif |
517 | #endif |
581 | #endif |
518 | |
582 | |
519 | /* many compilers define _GNUC_ to some versions but then only implement |
583 | /* many compilers define _GNUC_ to some versions but then only implement |
520 | * what their idiot authors think are the "more important" extensions, |
584 | * what their idiot authors think are the "more important" extensions, |
521 | * causing enormous grief in return for some better fake benchmark numbers. |
585 | * causing enormous grief in return for some better fake benchmark numbers. |
522 | * or so. |
586 | * or so. |
523 | * we try to detect these and simply assume they are not gcc - if they have |
587 | * 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. |
588 | * an issue with that they should have done it right in the first place. |
525 | */ |
589 | */ |
526 | #ifndef ECB_GCC_VERSION |
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527 | #if !defined(__GNUC_MINOR__) || defined(__INTEL_COMPILER) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) || defined(__llvm__) || defined(__clang__) |
590 | #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 |
591 | #define ECB_GCC_VERSION(major,minor) 0 |
529 | #else |
592 | #else |
530 | #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) |
593 | #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) |
531 | #endif |
594 | #endif |
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595 | |
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596 | #define ECB_CLANG_VERSION(major,minor) (__clang_major__ > (major) || (__clang_major__ == (major) && __clang_minor__ >= (minor))) |
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597 | |
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598 | #if __clang__ && defined __has_builtin |
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599 | #define ECB_CLANG_BUILTIN(x) __has_builtin (x) |
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600 | #else |
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601 | #define ECB_CLANG_BUILTIN(x) 0 |
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602 | #endif |
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603 | |
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604 | #if __clang__ && defined __has_extension |
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605 | #define ECB_CLANG_EXTENSION(x) __has_extension (x) |
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|
606 | #else |
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607 | #define ECB_CLANG_EXTENSION(x) 0 |
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608 | #endif |
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609 | |
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610 | #define ECB_CPP (__cplusplus+0) |
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611 | #define ECB_CPP11 (__cplusplus >= 201103L) |
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612 | |
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613 | #if ECB_CPP |
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614 | #define ECB_C 0 |
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615 | #define ECB_STDC_VERSION 0 |
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616 | #else |
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617 | #define ECB_C 1 |
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618 | #define ECB_STDC_VERSION __STDC_VERSION__ |
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619 | #endif |
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620 | |
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621 | #define ECB_C99 (ECB_STDC_VERSION >= 199901L) |
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622 | #define ECB_C11 (ECB_STDC_VERSION >= 201112L) |
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623 | |
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624 | #if ECB_CPP |
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625 | #define ECB_EXTERN_C extern "C" |
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626 | #define ECB_EXTERN_C_BEG ECB_EXTERN_C { |
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627 | #define ECB_EXTERN_C_END } |
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628 | #else |
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629 | #define ECB_EXTERN_C extern |
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630 | #define ECB_EXTERN_C_BEG |
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631 | #define ECB_EXTERN_C_END |
532 | #endif |
632 | #endif |
533 | |
633 | |
534 | /*****************************************************************************/ |
634 | /*****************************************************************************/ |
535 | |
635 | |
536 | /* ECB_NO_THREADS - ecb is not used by multiple threads, ever */ |
636 | /* 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 */ |
637 | /* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */ |
538 | |
638 | |
539 | #if ECB_NO_THREADS || ECB_NO_SMP |
639 | #if ECB_NO_THREADS |
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|
640 | #define ECB_NO_SMP 1 |
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|
641 | #endif |
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642 | |
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643 | #if ECB_NO_SMP |
540 | #define ECB_MEMORY_FENCE do { } while (0) |
644 | #define ECB_MEMORY_FENCE do { } while (0) |
541 | #endif |
645 | #endif |
542 | |
646 | |
543 | #ifndef ECB_MEMORY_FENCE |
647 | #ifndef ECB_MEMORY_FENCE |
544 | #if ECB_GCC_VERSION(2,5) || defined(__INTEL_COMPILER) || defined(__clang__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
648 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
545 | #if __i386 || __i386__ |
649 | #if __i386 || __i386__ |
546 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
650 | #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 */ |
651 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
548 | #define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */ |
652 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
549 | #elif __amd64 || __amd64__ || __x86_64 || __x86_64__ |
653 | #elif ECB_GCC_AMD64 |
550 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
654 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
551 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory") |
655 | #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 */ |
656 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
553 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
657 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
554 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
658 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
555 | #elif defined(__ARM_ARCH_6__ ) || defined(__ARM_ARCH_6J__ ) \ |
659 | #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \ |
556 | || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6ZK__) |
660 | || 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") |
661 | #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__ ) \ |
662 | #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \ |
559 | || defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7R__ ) |
663 | || defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__ |
560 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") |
664 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") |
|
|
665 | #elif __aarch64__ |
|
|
666 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory") |
561 | #elif __sparc || __sparc__ |
667 | #elif (__sparc || __sparc__) && !__sparcv8 |
562 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #StoreLoad | #LoadLoad | #StoreStore" : : : "memory") |
668 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory") |
563 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadLoad" : : : "memory") |
669 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") |
|
|
670 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") |
|
|
671 | #elif defined __s390__ || defined __s390x__ |
|
|
672 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") |
|
|
673 | #elif defined __mips__ |
|
|
674 | /* GNU/Linux emulates sync on mips1 architectures, so we force its use */ |
|
|
675 | /* anybody else who still uses mips1 is supposed to send in their version, with detection code. */ |
|
|
676 | #define ECB_MEMORY_FENCE __asm__ __volatile__ (".set mips2; sync; .set mips0" : : : "memory") |
|
|
677 | #elif defined __alpha__ |
|
|
678 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory") |
|
|
679 | #elif defined __hppa__ |
|
|
680 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory") |
564 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #StoreStore") |
681 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
|
|
682 | #elif defined __ia64__ |
|
|
683 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory") |
|
|
684 | #elif defined __m68k__ |
|
|
685 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory") |
|
|
686 | #elif defined __m88k__ |
|
|
687 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("tb1 0,%%r0,128" : : : "memory") |
|
|
688 | #elif defined __sh__ |
|
|
689 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory") |
565 | #endif |
690 | #endif |
566 | #endif |
691 | #endif |
567 | #endif |
692 | #endif |
568 | |
693 | |
569 | #ifndef ECB_MEMORY_FENCE |
694 | #ifndef ECB_MEMORY_FENCE |
|
|
695 | #if ECB_GCC_VERSION(4,7) |
|
|
696 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
|
|
697 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
|
|
698 | #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE) |
|
|
699 | #define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE) |
|
|
700 | |
|
|
701 | #elif ECB_CLANG_EXTENSION(c_atomic) |
|
|
702 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
|
|
703 | #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
|
|
704 | #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE) |
|
|
705 | #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE) |
|
|
706 | |
570 | #if ECB_GCC_VERSION(4,4) || defined(__INTEL_COMPILER) || defined(__clang__) |
707 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
571 | #define ECB_MEMORY_FENCE __sync_synchronize () |
708 | #define ECB_MEMORY_FENCE __sync_synchronize () |
572 | /*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */ |
709 | #elif _MSC_VER >= 1500 /* VC++ 2008 */ |
573 | /*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */ |
710 | /* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */ |
|
|
711 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
|
|
712 | #define ECB_MEMORY_FENCE _ReadWriteBarrier (); MemoryBarrier() |
|
|
713 | #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier (); MemoryBarrier() /* according to msdn, _ReadBarrier is not a load fence */ |
|
|
714 | #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier (); MemoryBarrier() |
574 | #elif _MSC_VER >= 1400 /* VC++ 2005 */ |
715 | #elif _MSC_VER >= 1400 /* VC++ 2005 */ |
575 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
716 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
576 | #define ECB_MEMORY_FENCE _ReadWriteBarrier () |
717 | #define ECB_MEMORY_FENCE _ReadWriteBarrier () |
577 | #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */ |
718 | #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */ |
578 | #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () |
719 | #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () |
579 | #elif defined(_WIN32) |
720 | #elif defined _WIN32 |
580 | #include <WinNT.h> |
721 | #include <WinNT.h> |
581 | #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ |
722 | #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ |
582 | #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
723 | #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
583 | #include <mbarrier.h> |
724 | #include <mbarrier.h> |
584 | #define ECB_MEMORY_FENCE __machine_rw_barrier () |
725 | #define ECB_MEMORY_FENCE __machine_rw_barrier () |
585 | #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier () |
726 | #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier () |
586 | #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier () |
727 | #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier () |
|
|
728 | #elif __xlC__ |
|
|
729 | #define ECB_MEMORY_FENCE __sync () |
|
|
730 | #endif |
|
|
731 | #endif |
|
|
732 | |
|
|
733 | #ifndef ECB_MEMORY_FENCE |
|
|
734 | #if ECB_C11 && !defined __STDC_NO_ATOMICS__ |
|
|
735 | /* we assume that these memory fences work on all variables/all memory accesses, */ |
|
|
736 | /* not just C11 atomics and atomic accesses */ |
|
|
737 | #include <stdatomic.h> |
|
|
738 | /* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */ |
|
|
739 | /* any fence other than seq_cst, which isn't very efficient for us. */ |
|
|
740 | /* Why that is, we don't know - either the C11 memory model is quite useless */ |
|
|
741 | /* for most usages, or gcc and clang have a bug */ |
|
|
742 | /* I *currently* lean towards the latter, and inefficiently implement */ |
|
|
743 | /* all three of ecb's fences as a seq_cst fence */ |
|
|
744 | /* Update, gcc-4.8 generates mfence for all c++ fences, but nothing */ |
|
|
745 | /* for all __atomic_thread_fence's except seq_cst */ |
|
|
746 | #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst) |
587 | #endif |
747 | #endif |
588 | #endif |
748 | #endif |
589 | |
749 | |
590 | #ifndef ECB_MEMORY_FENCE |
750 | #ifndef ECB_MEMORY_FENCE |
591 | #if !ECB_AVOID_PTHREADS |
751 | #if !ECB_AVOID_PTHREADS |
… | |
… | |
603 | static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER; |
763 | static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER; |
604 | #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0) |
764 | #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0) |
605 | #endif |
765 | #endif |
606 | #endif |
766 | #endif |
607 | |
767 | |
608 | #if !defined(ECB_MEMORY_FENCE_ACQUIRE) && defined(ECB_MEMORY_FENCE) |
768 | #if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE |
609 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
769 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
610 | #endif |
770 | #endif |
611 | |
771 | |
612 | #if !defined(ECB_MEMORY_FENCE_RELEASE) && defined(ECB_MEMORY_FENCE) |
772 | #if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE |
613 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
773 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
614 | #endif |
774 | #endif |
615 | |
775 | |
616 | /*****************************************************************************/ |
776 | /*****************************************************************************/ |
617 | |
777 | |
618 | #define ECB_C99 (__STDC_VERSION__ >= 199901L) |
778 | #if ECB_CPP |
619 | |
|
|
620 | #if __cplusplus |
|
|
621 | #define ecb_inline static inline |
779 | #define ecb_inline static inline |
622 | #elif ECB_GCC_VERSION(2,5) |
780 | #elif ECB_GCC_VERSION(2,5) |
623 | #define ecb_inline static __inline__ |
781 | #define ecb_inline static __inline__ |
624 | #elif ECB_C99 |
782 | #elif ECB_C99 |
625 | #define ecb_inline static inline |
783 | #define ecb_inline static inline |
… | |
… | |
639 | |
797 | |
640 | #define ECB_CONCAT_(a, b) a ## b |
798 | #define ECB_CONCAT_(a, b) a ## b |
641 | #define ECB_CONCAT(a, b) ECB_CONCAT_(a, b) |
799 | #define ECB_CONCAT(a, b) ECB_CONCAT_(a, b) |
642 | #define ECB_STRINGIFY_(a) # a |
800 | #define ECB_STRINGIFY_(a) # a |
643 | #define ECB_STRINGIFY(a) ECB_STRINGIFY_(a) |
801 | #define ECB_STRINGIFY(a) ECB_STRINGIFY_(a) |
|
|
802 | #define ECB_STRINGIFY_EXPR(expr) ((expr), ECB_STRINGIFY_ (expr)) |
644 | |
803 | |
645 | #define ecb_function_ ecb_inline |
804 | #define ecb_function_ ecb_inline |
646 | |
805 | |
647 | #if ECB_GCC_VERSION(3,1) |
806 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_VERSION(2,8) |
648 | #define ecb_attribute(attrlist) __attribute__(attrlist) |
807 | #define ecb_attribute(attrlist) __attribute__ (attrlist) |
|
|
808 | #else |
|
|
809 | #define ecb_attribute(attrlist) |
|
|
810 | #endif |
|
|
811 | |
|
|
812 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_constant_p) |
649 | #define ecb_is_constant(expr) __builtin_constant_p (expr) |
813 | #define ecb_is_constant(expr) __builtin_constant_p (expr) |
|
|
814 | #else |
|
|
815 | /* possible C11 impl for integral types |
|
|
816 | typedef struct ecb_is_constant_struct ecb_is_constant_struct; |
|
|
817 | #define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */ |
|
|
818 | |
|
|
819 | #define ecb_is_constant(expr) 0 |
|
|
820 | #endif |
|
|
821 | |
|
|
822 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_expect) |
650 | #define ecb_expect(expr,value) __builtin_expect ((expr),(value)) |
823 | #define ecb_expect(expr,value) __builtin_expect ((expr),(value)) |
|
|
824 | #else |
|
|
825 | #define ecb_expect(expr,value) (expr) |
|
|
826 | #endif |
|
|
827 | |
|
|
828 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_prefetch) |
651 | #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality) |
829 | #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality) |
652 | #else |
830 | #else |
653 | #define ecb_attribute(attrlist) |
|
|
654 | #define ecb_is_constant(expr) 0 |
|
|
655 | #define ecb_expect(expr,value) (expr) |
|
|
656 | #define ecb_prefetch(addr,rw,locality) |
831 | #define ecb_prefetch(addr,rw,locality) |
657 | #endif |
832 | #endif |
658 | |
833 | |
659 | /* no emulation for ecb_decltype */ |
834 | /* no emulation for ecb_decltype */ |
660 | #if ECB_GCC_VERSION(4,5) |
835 | #if ECB_CPP11 |
|
|
836 | // older implementations might have problems with decltype(x)::type, work around it |
|
|
837 | template<class T> struct ecb_decltype_t { typedef T type; }; |
661 | #define ecb_decltype(x) __decltype(x) |
838 | #define ecb_decltype(x) ecb_decltype_t<decltype (x)>::type |
662 | #elif ECB_GCC_VERSION(3,0) |
839 | #elif ECB_GCC_VERSION(3,0) || ECB_CLANG_VERSION(2,8) |
663 | #define ecb_decltype(x) __typeof(x) |
840 | #define ecb_decltype(x) __typeof__ (x) |
664 | #endif |
841 | #endif |
665 | |
842 | |
|
|
843 | #if _MSC_VER >= 1300 |
|
|
844 | #define ecb_deprecated __declspec (deprecated) |
|
|
845 | #else |
|
|
846 | #define ecb_deprecated ecb_attribute ((__deprecated__)) |
|
|
847 | #endif |
|
|
848 | |
|
|
849 | #if __MSC_VER >= 1500 |
|
|
850 | #define ecb_deprecated_message(msg) __declspec (deprecated (msg)) |
|
|
851 | #elif ECB_GCC_VERSION(4,5) |
|
|
852 | #define ecb_deprecated_message(msg) ecb_attribute ((__deprecated__ (msg)) |
|
|
853 | #else |
|
|
854 | #define ecb_deprecated_message(msg) ecb_deprecated |
|
|
855 | #endif |
|
|
856 | |
|
|
857 | #if _MSC_VER >= 1400 |
|
|
858 | #define ecb_noinline __declspec (noinline) |
|
|
859 | #else |
666 | #define ecb_noinline ecb_attribute ((__noinline__)) |
860 | #define ecb_noinline ecb_attribute ((__noinline__)) |
667 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
861 | #endif |
|
|
862 | |
668 | #define ecb_unused ecb_attribute ((__unused__)) |
863 | #define ecb_unused ecb_attribute ((__unused__)) |
669 | #define ecb_const ecb_attribute ((__const__)) |
864 | #define ecb_const ecb_attribute ((__const__)) |
670 | #define ecb_pure ecb_attribute ((__pure__)) |
865 | #define ecb_pure ecb_attribute ((__pure__)) |
|
|
866 | |
|
|
867 | #if ECB_C11 || __IBMC_NORETURN |
|
|
868 | /* http://pic.dhe.ibm.com/infocenter/compbg/v121v141/topic/com.ibm.xlcpp121.bg.doc/language_ref/noreturn.html */ |
|
|
869 | #define ecb_noreturn _Noreturn |
|
|
870 | #elif ECB_CPP11 |
|
|
871 | #define ecb_noreturn [[noreturn]] |
|
|
872 | #elif _MSC_VER >= 1200 |
|
|
873 | /* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx */ |
|
|
874 | #define ecb_noreturn __declspec (noreturn) |
|
|
875 | #else |
|
|
876 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
|
|
877 | #endif |
671 | |
878 | |
672 | #if ECB_GCC_VERSION(4,3) |
879 | #if ECB_GCC_VERSION(4,3) |
673 | #define ecb_artificial ecb_attribute ((__artificial__)) |
880 | #define ecb_artificial ecb_attribute ((__artificial__)) |
674 | #define ecb_hot ecb_attribute ((__hot__)) |
881 | #define ecb_hot ecb_attribute ((__hot__)) |
675 | #define ecb_cold ecb_attribute ((__cold__)) |
882 | #define ecb_cold ecb_attribute ((__cold__)) |
… | |
… | |
687 | /* for compatibility to the rest of the world */ |
894 | /* for compatibility to the rest of the world */ |
688 | #define ecb_likely(expr) ecb_expect_true (expr) |
895 | #define ecb_likely(expr) ecb_expect_true (expr) |
689 | #define ecb_unlikely(expr) ecb_expect_false (expr) |
896 | #define ecb_unlikely(expr) ecb_expect_false (expr) |
690 | |
897 | |
691 | /* count trailing zero bits and count # of one bits */ |
898 | /* count trailing zero bits and count # of one bits */ |
692 | #if ECB_GCC_VERSION(3,4) |
899 | #if ECB_GCC_VERSION(3,4) \ |
|
|
900 | || (ECB_CLANG_BUILTIN(__builtin_clz) && ECB_CLANG_BUILTIN(__builtin_clzll) \ |
|
|
901 | && ECB_CLANG_BUILTIN(__builtin_ctz) && ECB_CLANG_BUILTIN(__builtin_ctzll) \ |
|
|
902 | && ECB_CLANG_BUILTIN(__builtin_popcount)) |
693 | /* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */ |
903 | /* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */ |
694 | #define ecb_ld32(x) (__builtin_clz (x) ^ 31) |
904 | #define ecb_ld32(x) (__builtin_clz (x) ^ 31) |
695 | #define ecb_ld64(x) (__builtin_clzll (x) ^ 63) |
905 | #define ecb_ld64(x) (__builtin_clzll (x) ^ 63) |
696 | #define ecb_ctz32(x) __builtin_ctz (x) |
906 | #define ecb_ctz32(x) __builtin_ctz (x) |
697 | #define ecb_ctz64(x) __builtin_ctzll (x) |
907 | #define ecb_ctz64(x) __builtin_ctzll (x) |
698 | #define ecb_popcount32(x) __builtin_popcount (x) |
908 | #define ecb_popcount32(x) __builtin_popcount (x) |
699 | /* no popcountll */ |
909 | /* no popcountll */ |
700 | #else |
910 | #else |
701 | ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const; |
911 | ecb_function_ ecb_const int ecb_ctz32 (uint32_t x); |
702 | ecb_function_ int |
912 | ecb_function_ ecb_const int |
703 | ecb_ctz32 (uint32_t x) |
913 | ecb_ctz32 (uint32_t x) |
704 | { |
914 | { |
705 | int r = 0; |
915 | int r = 0; |
706 | |
916 | |
707 | x &= ~x + 1; /* this isolates the lowest bit */ |
917 | x &= ~x + 1; /* this isolates the lowest bit */ |
… | |
… | |
721 | #endif |
931 | #endif |
722 | |
932 | |
723 | return r; |
933 | return r; |
724 | } |
934 | } |
725 | |
935 | |
726 | ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const; |
936 | ecb_function_ ecb_const int ecb_ctz64 (uint64_t x); |
727 | ecb_function_ int |
937 | ecb_function_ ecb_const int |
728 | ecb_ctz64 (uint64_t x) |
938 | ecb_ctz64 (uint64_t x) |
729 | { |
939 | { |
730 | int shift = x & 0xffffffffU ? 0 : 32; |
940 | int shift = x & 0xffffffffU ? 0 : 32; |
731 | return ecb_ctz32 (x >> shift) + shift; |
941 | return ecb_ctz32 (x >> shift) + shift; |
732 | } |
942 | } |
733 | |
943 | |
734 | ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const; |
944 | ecb_function_ ecb_const int ecb_popcount32 (uint32_t x); |
735 | ecb_function_ int |
945 | ecb_function_ ecb_const int |
736 | ecb_popcount32 (uint32_t x) |
946 | ecb_popcount32 (uint32_t x) |
737 | { |
947 | { |
738 | x -= (x >> 1) & 0x55555555; |
948 | x -= (x >> 1) & 0x55555555; |
739 | x = ((x >> 2) & 0x33333333) + (x & 0x33333333); |
949 | x = ((x >> 2) & 0x33333333) + (x & 0x33333333); |
740 | x = ((x >> 4) + x) & 0x0f0f0f0f; |
950 | x = ((x >> 4) + x) & 0x0f0f0f0f; |
741 | x *= 0x01010101; |
951 | x *= 0x01010101; |
742 | |
952 | |
743 | return x >> 24; |
953 | return x >> 24; |
744 | } |
954 | } |
745 | |
955 | |
746 | ecb_function_ int ecb_ld32 (uint32_t x) ecb_const; |
956 | ecb_function_ ecb_const int ecb_ld32 (uint32_t x); |
747 | ecb_function_ int ecb_ld32 (uint32_t x) |
957 | ecb_function_ ecb_const int ecb_ld32 (uint32_t x) |
748 | { |
958 | { |
749 | int r = 0; |
959 | int r = 0; |
750 | |
960 | |
751 | if (x >> 16) { x >>= 16; r += 16; } |
961 | if (x >> 16) { x >>= 16; r += 16; } |
752 | if (x >> 8) { x >>= 8; r += 8; } |
962 | if (x >> 8) { x >>= 8; r += 8; } |
… | |
… | |
755 | if (x >> 1) { r += 1; } |
965 | if (x >> 1) { r += 1; } |
756 | |
966 | |
757 | return r; |
967 | return r; |
758 | } |
968 | } |
759 | |
969 | |
760 | ecb_function_ int ecb_ld64 (uint64_t x) ecb_const; |
970 | ecb_function_ ecb_const int ecb_ld64 (uint64_t x); |
761 | ecb_function_ int ecb_ld64 (uint64_t x) |
971 | ecb_function_ ecb_const int ecb_ld64 (uint64_t x) |
762 | { |
972 | { |
763 | int r = 0; |
973 | int r = 0; |
764 | |
974 | |
765 | if (x >> 32) { x >>= 32; r += 32; } |
975 | if (x >> 32) { x >>= 32; r += 32; } |
766 | |
976 | |
767 | return r + ecb_ld32 (x); |
977 | return r + ecb_ld32 (x); |
768 | } |
978 | } |
769 | #endif |
979 | #endif |
770 | |
980 | |
|
|
981 | ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x); |
|
|
982 | ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); } |
|
|
983 | ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x); |
|
|
984 | ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); } |
|
|
985 | |
771 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const; |
986 | ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x); |
772 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) |
987 | ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x) |
773 | { |
988 | { |
774 | return ( (x * 0x0802U & 0x22110U) |
989 | return ( (x * 0x0802U & 0x22110U) |
775 | | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16; |
990 | | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16; |
776 | } |
991 | } |
777 | |
992 | |
778 | ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const; |
993 | ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x); |
779 | ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) |
994 | ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x) |
780 | { |
995 | { |
781 | x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1); |
996 | x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1); |
782 | x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2); |
997 | x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2); |
783 | x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4); |
998 | x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4); |
784 | x = ( x >> 8 ) | ( x << 8); |
999 | x = ( x >> 8 ) | ( x << 8); |
785 | |
1000 | |
786 | return x; |
1001 | return x; |
787 | } |
1002 | } |
788 | |
1003 | |
789 | ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const; |
1004 | ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x); |
790 | ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) |
1005 | ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x) |
791 | { |
1006 | { |
792 | x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1); |
1007 | x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1); |
793 | x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2); |
1008 | x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2); |
794 | x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4); |
1009 | x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4); |
795 | x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8); |
1010 | x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8); |
… | |
… | |
798 | return x; |
1013 | return x; |
799 | } |
1014 | } |
800 | |
1015 | |
801 | /* popcount64 is only available on 64 bit cpus as gcc builtin */ |
1016 | /* popcount64 is only available on 64 bit cpus as gcc builtin */ |
802 | /* so for this version we are lazy */ |
1017 | /* so for this version we are lazy */ |
803 | ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const; |
1018 | ecb_function_ ecb_const int ecb_popcount64 (uint64_t x); |
804 | ecb_function_ int |
1019 | ecb_function_ ecb_const int |
805 | ecb_popcount64 (uint64_t x) |
1020 | ecb_popcount64 (uint64_t x) |
806 | { |
1021 | { |
807 | return ecb_popcount32 (x) + ecb_popcount32 (x >> 32); |
1022 | return ecb_popcount32 (x) + ecb_popcount32 (x >> 32); |
808 | } |
1023 | } |
809 | |
1024 | |
810 | ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const; |
1025 | ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count); |
811 | ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const; |
1026 | ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count); |
812 | ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const; |
1027 | ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count); |
813 | ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const; |
1028 | ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count); |
814 | ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const; |
1029 | ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count); |
815 | ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const; |
1030 | ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count); |
816 | ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const; |
1031 | ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count); |
817 | ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const; |
1032 | ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count); |
818 | |
1033 | |
819 | ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); } |
1034 | ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); } |
820 | ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); } |
1035 | ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); } |
821 | ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); } |
1036 | ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); } |
822 | ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); } |
1037 | ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); } |
823 | ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); } |
1038 | ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); } |
824 | ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } |
1039 | ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } |
825 | ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } |
1040 | ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } |
826 | ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } |
1041 | ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } |
827 | |
1042 | |
828 | #if ECB_GCC_VERSION(4,3) |
1043 | #if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64)) |
829 | #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) |
1044 | #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) |
830 | #define ecb_bswap32(x) __builtin_bswap32 (x) |
1045 | #define ecb_bswap32(x) __builtin_bswap32 (x) |
831 | #define ecb_bswap64(x) __builtin_bswap64 (x) |
1046 | #define ecb_bswap64(x) __builtin_bswap64 (x) |
832 | #else |
1047 | #else |
833 | ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const; |
1048 | ecb_function_ ecb_const uint16_t ecb_bswap16 (uint16_t x); |
834 | ecb_function_ uint16_t |
1049 | ecb_function_ ecb_const uint16_t |
835 | ecb_bswap16 (uint16_t x) |
1050 | ecb_bswap16 (uint16_t x) |
836 | { |
1051 | { |
837 | return ecb_rotl16 (x, 8); |
1052 | return ecb_rotl16 (x, 8); |
838 | } |
1053 | } |
839 | |
1054 | |
840 | ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const; |
1055 | ecb_function_ ecb_const uint32_t ecb_bswap32 (uint32_t x); |
841 | ecb_function_ uint32_t |
1056 | ecb_function_ ecb_const uint32_t |
842 | ecb_bswap32 (uint32_t x) |
1057 | ecb_bswap32 (uint32_t x) |
843 | { |
1058 | { |
844 | return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16); |
1059 | return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16); |
845 | } |
1060 | } |
846 | |
1061 | |
847 | ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const; |
1062 | ecb_function_ ecb_const uint64_t ecb_bswap64 (uint64_t x); |
848 | ecb_function_ uint64_t |
1063 | ecb_function_ ecb_const uint64_t |
849 | ecb_bswap64 (uint64_t x) |
1064 | ecb_bswap64 (uint64_t x) |
850 | { |
1065 | { |
851 | return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32); |
1066 | return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32); |
852 | } |
1067 | } |
853 | #endif |
1068 | #endif |
854 | |
1069 | |
855 | #if ECB_GCC_VERSION(4,5) |
1070 | #if ECB_GCC_VERSION(4,5) || ECB_CLANG_BUILTIN(__builtin_unreachable) |
856 | #define ecb_unreachable() __builtin_unreachable () |
1071 | #define ecb_unreachable() __builtin_unreachable () |
857 | #else |
1072 | #else |
858 | /* this seems to work fine, but gcc always emits a warning for it :/ */ |
1073 | /* this seems to work fine, but gcc always emits a warning for it :/ */ |
859 | ecb_function_ void ecb_unreachable (void) ecb_noreturn; |
1074 | ecb_inline ecb_noreturn void ecb_unreachable (void); |
860 | ecb_function_ void ecb_unreachable (void) { } |
1075 | ecb_inline ecb_noreturn void ecb_unreachable (void) { } |
861 | #endif |
1076 | #endif |
862 | |
1077 | |
863 | /* try to tell the compiler that some condition is definitely true */ |
1078 | /* try to tell the compiler that some condition is definitely true */ |
864 | #define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0) |
1079 | #define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0 |
865 | |
1080 | |
866 | ecb_function_ unsigned char ecb_byteorder_helper (void) ecb_const; |
1081 | ecb_inline ecb_const unsigned char ecb_byteorder_helper (void); |
867 | ecb_function_ unsigned char |
1082 | ecb_inline ecb_const unsigned char |
868 | ecb_byteorder_helper (void) |
1083 | ecb_byteorder_helper (void) |
869 | { |
1084 | { |
870 | const uint32_t u = 0x11223344; |
1085 | /* the union code still generates code under pressure in gcc, */ |
871 | return *(unsigned char *)&u; |
1086 | /* but less than using pointers, and always seems to */ |
|
|
1087 | /* successfully return a constant. */ |
|
|
1088 | /* the reason why we have this horrible preprocessor mess */ |
|
|
1089 | /* is to avoid it in all cases, at least on common architectures */ |
|
|
1090 | /* or when using a recent enough gcc version (>= 4.6) */ |
|
|
1091 | #if ((__i386 || __i386__) && !__VOS__) || _M_IX86 || ECB_GCC_AMD64 || ECB_MSVC_AMD64 |
|
|
1092 | return 0x44; |
|
|
1093 | #elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ |
|
|
1094 | return 0x44; |
|
|
1095 | #elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ |
|
|
1096 | return 0x11; |
|
|
1097 | #else |
|
|
1098 | union |
|
|
1099 | { |
|
|
1100 | uint32_t i; |
|
|
1101 | uint8_t c; |
|
|
1102 | } u = { 0x11223344 }; |
|
|
1103 | return u.c; |
|
|
1104 | #endif |
872 | } |
1105 | } |
873 | |
1106 | |
874 | ecb_function_ ecb_bool ecb_big_endian (void) ecb_const; |
1107 | ecb_inline ecb_const ecb_bool ecb_big_endian (void); |
875 | ecb_function_ ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; } |
1108 | ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; } |
876 | ecb_function_ ecb_bool ecb_little_endian (void) ecb_const; |
1109 | ecb_inline ecb_const ecb_bool ecb_little_endian (void); |
877 | ecb_function_ ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; } |
1110 | ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; } |
878 | |
1111 | |
879 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
1112 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
880 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
1113 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
881 | #else |
1114 | #else |
882 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
1115 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
883 | #endif |
1116 | #endif |
884 | |
1117 | |
885 | #if __cplusplus |
1118 | #if ECB_CPP |
886 | template<typename T> |
1119 | template<typename T> |
887 | static inline T ecb_div_rd (T val, T div) |
1120 | static inline T ecb_div_rd (T val, T div) |
888 | { |
1121 | { |
889 | return val < 0 ? - ((-val + div - 1) / div) : (val ) / div; |
1122 | return val < 0 ? - ((-val + div - 1) / div) : (val ) / div; |
890 | } |
1123 | } |
… | |
… | |
907 | } |
1140 | } |
908 | #else |
1141 | #else |
909 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
1142 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
910 | #endif |
1143 | #endif |
911 | |
1144 | |
|
|
1145 | /*******************************************************************************/ |
|
|
1146 | /* floating point stuff, can be disabled by defining ECB_NO_LIBM */ |
|
|
1147 | |
|
|
1148 | /* basically, everything uses "ieee pure-endian" floating point numbers */ |
|
|
1149 | /* the only noteworthy exception is ancient armle, which uses order 43218765 */ |
|
|
1150 | #if 0 \ |
|
|
1151 | || __i386 || __i386__ \ |
|
|
1152 | || ECB_GCC_AMD64 \ |
|
|
1153 | || __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \ |
|
|
1154 | || defined __s390__ || defined __s390x__ \ |
|
|
1155 | || defined __mips__ \ |
|
|
1156 | || defined __alpha__ \ |
|
|
1157 | || defined __hppa__ \ |
|
|
1158 | || defined __ia64__ \ |
|
|
1159 | || defined __m68k__ \ |
|
|
1160 | || defined __m88k__ \ |
|
|
1161 | || defined __sh__ \ |
|
|
1162 | || defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \ |
|
|
1163 | || (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \ |
|
|
1164 | || defined __aarch64__ |
|
|
1165 | #define ECB_STDFP 1 |
|
|
1166 | #include <string.h> /* for memcpy */ |
|
|
1167 | #else |
|
|
1168 | #define ECB_STDFP 0 |
|
|
1169 | #endif |
|
|
1170 | |
|
|
1171 | #ifndef ECB_NO_LIBM |
|
|
1172 | |
|
|
1173 | #include <math.h> /* for frexp*, ldexp*, INFINITY, NAN */ |
|
|
1174 | |
|
|
1175 | /* only the oldest of old doesn't have this one. solaris. */ |
|
|
1176 | #ifdef INFINITY |
|
|
1177 | #define ECB_INFINITY INFINITY |
|
|
1178 | #else |
|
|
1179 | #define ECB_INFINITY HUGE_VAL |
|
|
1180 | #endif |
|
|
1181 | |
|
|
1182 | #ifdef NAN |
|
|
1183 | #define ECB_NAN NAN |
|
|
1184 | #else |
|
|
1185 | #define ECB_NAN ECB_INFINITY |
|
|
1186 | #endif |
|
|
1187 | |
|
|
1188 | #if ECB_C99 || _XOPEN_VERSION >= 600 || _POSIX_VERSION >= 200112L |
|
|
1189 | #define ecb_ldexpf(x,e) ldexpf ((x), (e)) |
|
|
1190 | #else |
|
|
1191 | #define ecb_ldexpf(x,e) (float) ldexp ((float) (x), (e)) |
|
|
1192 | #endif |
|
|
1193 | |
|
|
1194 | /* converts an ieee half/binary16 to a float */ |
|
|
1195 | ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x); |
|
|
1196 | ecb_function_ ecb_const float |
|
|
1197 | ecb_binary16_to_float (uint16_t x) |
|
|
1198 | { |
|
|
1199 | int e = (x >> 10) & 0x1f; |
|
|
1200 | int m = x & 0x3ff; |
|
|
1201 | float r; |
|
|
1202 | |
|
|
1203 | if (!e ) r = ecb_ldexpf (m , -24); |
|
|
1204 | else if (e != 31) r = ecb_ldexpf (m + 0x400, e - 25); |
|
|
1205 | else if (m ) r = ECB_NAN; |
|
|
1206 | else r = ECB_INFINITY; |
|
|
1207 | |
|
|
1208 | return x & 0x8000 ? -r : r; |
|
|
1209 | } |
|
|
1210 | |
|
|
1211 | /* convert a float to ieee single/binary32 */ |
|
|
1212 | ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x); |
|
|
1213 | ecb_function_ ecb_const uint32_t |
|
|
1214 | ecb_float_to_binary32 (float x) |
|
|
1215 | { |
|
|
1216 | uint32_t r; |
|
|
1217 | |
|
|
1218 | #if ECB_STDFP |
|
|
1219 | memcpy (&r, &x, 4); |
|
|
1220 | #else |
|
|
1221 | /* slow emulation, works for anything but -0 */ |
|
|
1222 | uint32_t m; |
|
|
1223 | int e; |
|
|
1224 | |
|
|
1225 | if (x == 0e0f ) return 0x00000000U; |
|
|
1226 | if (x > +3.40282346638528860e+38f) return 0x7f800000U; |
|
|
1227 | if (x < -3.40282346638528860e+38f) return 0xff800000U; |
|
|
1228 | if (x != x ) return 0x7fbfffffU; |
|
|
1229 | |
|
|
1230 | m = frexpf (x, &e) * 0x1000000U; |
|
|
1231 | |
|
|
1232 | r = m & 0x80000000U; |
|
|
1233 | |
|
|
1234 | if (r) |
|
|
1235 | m = -m; |
|
|
1236 | |
|
|
1237 | if (e <= -126) |
|
|
1238 | { |
|
|
1239 | m &= 0xffffffU; |
|
|
1240 | m >>= (-125 - e); |
|
|
1241 | e = -126; |
|
|
1242 | } |
|
|
1243 | |
|
|
1244 | r |= (e + 126) << 23; |
|
|
1245 | r |= m & 0x7fffffU; |
|
|
1246 | #endif |
|
|
1247 | |
|
|
1248 | return r; |
|
|
1249 | } |
|
|
1250 | |
|
|
1251 | /* converts an ieee single/binary32 to a float */ |
|
|
1252 | ecb_function_ ecb_const float ecb_binary32_to_float (uint32_t x); |
|
|
1253 | ecb_function_ ecb_const float |
|
|
1254 | ecb_binary32_to_float (uint32_t x) |
|
|
1255 | { |
|
|
1256 | float r; |
|
|
1257 | |
|
|
1258 | #if ECB_STDFP |
|
|
1259 | memcpy (&r, &x, 4); |
|
|
1260 | #else |
|
|
1261 | /* emulation, only works for normals and subnormals and +0 */ |
|
|
1262 | int neg = x >> 31; |
|
|
1263 | int e = (x >> 23) & 0xffU; |
|
|
1264 | |
|
|
1265 | x &= 0x7fffffU; |
|
|
1266 | |
|
|
1267 | if (e) |
|
|
1268 | x |= 0x800000U; |
|
|
1269 | else |
|
|
1270 | e = 1; |
|
|
1271 | |
|
|
1272 | /* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */ |
|
|
1273 | r = ecb_ldexpf (x * (0.5f / 0x800000U), e - 126); |
|
|
1274 | |
|
|
1275 | r = neg ? -r : r; |
|
|
1276 | #endif |
|
|
1277 | |
|
|
1278 | return r; |
|
|
1279 | } |
|
|
1280 | |
|
|
1281 | /* convert a double to ieee double/binary64 */ |
|
|
1282 | ecb_function_ ecb_const uint64_t ecb_double_to_binary64 (double x); |
|
|
1283 | ecb_function_ ecb_const uint64_t |
|
|
1284 | ecb_double_to_binary64 (double x) |
|
|
1285 | { |
|
|
1286 | uint64_t r; |
|
|
1287 | |
|
|
1288 | #if ECB_STDFP |
|
|
1289 | memcpy (&r, &x, 8); |
|
|
1290 | #else |
|
|
1291 | /* slow emulation, works for anything but -0 */ |
|
|
1292 | uint64_t m; |
|
|
1293 | int e; |
|
|
1294 | |
|
|
1295 | if (x == 0e0 ) return 0x0000000000000000U; |
|
|
1296 | if (x > +1.79769313486231470e+308) return 0x7ff0000000000000U; |
|
|
1297 | if (x < -1.79769313486231470e+308) return 0xfff0000000000000U; |
|
|
1298 | if (x != x ) return 0X7ff7ffffffffffffU; |
|
|
1299 | |
|
|
1300 | m = frexp (x, &e) * 0x20000000000000U; |
|
|
1301 | |
|
|
1302 | r = m & 0x8000000000000000;; |
|
|
1303 | |
|
|
1304 | if (r) |
|
|
1305 | m = -m; |
|
|
1306 | |
|
|
1307 | if (e <= -1022) |
|
|
1308 | { |
|
|
1309 | m &= 0x1fffffffffffffU; |
|
|
1310 | m >>= (-1021 - e); |
|
|
1311 | e = -1022; |
|
|
1312 | } |
|
|
1313 | |
|
|
1314 | r |= ((uint64_t)(e + 1022)) << 52; |
|
|
1315 | r |= m & 0xfffffffffffffU; |
|
|
1316 | #endif |
|
|
1317 | |
|
|
1318 | return r; |
|
|
1319 | } |
|
|
1320 | |
|
|
1321 | /* converts an ieee double/binary64 to a double */ |
|
|
1322 | ecb_function_ ecb_const double ecb_binary64_to_double (uint64_t x); |
|
|
1323 | ecb_function_ ecb_const double |
|
|
1324 | ecb_binary64_to_double (uint64_t x) |
|
|
1325 | { |
|
|
1326 | double r; |
|
|
1327 | |
|
|
1328 | #if ECB_STDFP |
|
|
1329 | memcpy (&r, &x, 8); |
|
|
1330 | #else |
|
|
1331 | /* emulation, only works for normals and subnormals and +0 */ |
|
|
1332 | int neg = x >> 63; |
|
|
1333 | int e = (x >> 52) & 0x7ffU; |
|
|
1334 | |
|
|
1335 | x &= 0xfffffffffffffU; |
|
|
1336 | |
|
|
1337 | if (e) |
|
|
1338 | x |= 0x10000000000000U; |
|
|
1339 | else |
|
|
1340 | e = 1; |
|
|
1341 | |
|
|
1342 | /* we distrust ldexp a bit and do the 2**-53 scaling by an extra multiply */ |
|
|
1343 | r = ldexp (x * (0.5 / 0x10000000000000U), e - 1022); |
|
|
1344 | |
|
|
1345 | r = neg ? -r : r; |
|
|
1346 | #endif |
|
|
1347 | |
|
|
1348 | return r; |
|
|
1349 | } |
|
|
1350 | |
|
|
1351 | #endif |
|
|
1352 | |
912 | #endif |
1353 | #endif |
913 | |
1354 | |
914 | /* ECB.H END */ |
1355 | /* ECB.H END */ |
915 | |
1356 | |
916 | #if ECB_MEMORY_FENCE_NEEDS_PTHREADS |
1357 | #if ECB_MEMORY_FENCE_NEEDS_PTHREADS |
… | |
… | |
1082 | { |
1523 | { |
1083 | write (STDERR_FILENO, msg, strlen (msg)); |
1524 | write (STDERR_FILENO, msg, strlen (msg)); |
1084 | } |
1525 | } |
1085 | #endif |
1526 | #endif |
1086 | |
1527 | |
1087 | static void (*syserr_cb)(const char *msg); |
1528 | static void (*syserr_cb)(const char *msg) EV_THROW; |
1088 | |
1529 | |
1089 | void ecb_cold |
1530 | void ecb_cold |
1090 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
1531 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW |
1091 | { |
1532 | { |
1092 | syserr_cb = cb; |
1533 | syserr_cb = cb; |
1093 | } |
1534 | } |
1094 | |
1535 | |
1095 | static void noinline ecb_cold |
1536 | static void noinline ecb_cold |
… | |
… | |
1113 | abort (); |
1554 | abort (); |
1114 | } |
1555 | } |
1115 | } |
1556 | } |
1116 | |
1557 | |
1117 | static void * |
1558 | static void * |
1118 | ev_realloc_emul (void *ptr, long size) |
1559 | ev_realloc_emul (void *ptr, long size) EV_THROW |
1119 | { |
1560 | { |
1120 | #if __GLIBC__ |
|
|
1121 | return realloc (ptr, size); |
|
|
1122 | #else |
|
|
1123 | /* some systems, notably openbsd and darwin, fail to properly |
1561 | /* some systems, notably openbsd and darwin, fail to properly |
1124 | * implement realloc (x, 0) (as required by both ansi c-89 and |
1562 | * implement realloc (x, 0) (as required by both ansi c-89 and |
1125 | * the single unix specification, so work around them here. |
1563 | * the single unix specification, so work around them here. |
|
|
1564 | * recently, also (at least) fedora and debian started breaking it, |
|
|
1565 | * despite documenting it otherwise. |
1126 | */ |
1566 | */ |
1127 | |
1567 | |
1128 | if (size) |
1568 | if (size) |
1129 | return realloc (ptr, size); |
1569 | return realloc (ptr, size); |
1130 | |
1570 | |
1131 | free (ptr); |
1571 | free (ptr); |
1132 | return 0; |
1572 | return 0; |
1133 | #endif |
|
|
1134 | } |
1573 | } |
1135 | |
1574 | |
1136 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
1575 | static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul; |
1137 | |
1576 | |
1138 | void ecb_cold |
1577 | void ecb_cold |
1139 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
1578 | ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW |
1140 | { |
1579 | { |
1141 | alloc = cb; |
1580 | alloc = cb; |
1142 | } |
1581 | } |
1143 | |
1582 | |
1144 | inline_speed void * |
1583 | inline_speed void * |
… | |
… | |
1261 | |
1700 | |
1262 | /*****************************************************************************/ |
1701 | /*****************************************************************************/ |
1263 | |
1702 | |
1264 | #ifndef EV_HAVE_EV_TIME |
1703 | #ifndef EV_HAVE_EV_TIME |
1265 | ev_tstamp |
1704 | ev_tstamp |
1266 | ev_time (void) |
1705 | ev_time (void) EV_THROW |
1267 | { |
1706 | { |
1268 | #if EV_USE_REALTIME |
1707 | #if EV_USE_REALTIME |
1269 | if (expect_true (have_realtime)) |
1708 | if (expect_true (have_realtime)) |
1270 | { |
1709 | { |
1271 | struct timespec ts; |
1710 | struct timespec ts; |
… | |
… | |
1295 | return ev_time (); |
1734 | return ev_time (); |
1296 | } |
1735 | } |
1297 | |
1736 | |
1298 | #if EV_MULTIPLICITY |
1737 | #if EV_MULTIPLICITY |
1299 | ev_tstamp |
1738 | ev_tstamp |
1300 | ev_now (EV_P) |
1739 | ev_now (EV_P) EV_THROW |
1301 | { |
1740 | { |
1302 | return ev_rt_now; |
1741 | return ev_rt_now; |
1303 | } |
1742 | } |
1304 | #endif |
1743 | #endif |
1305 | |
1744 | |
1306 | void |
1745 | void |
1307 | ev_sleep (ev_tstamp delay) |
1746 | ev_sleep (ev_tstamp delay) EV_THROW |
1308 | { |
1747 | { |
1309 | if (delay > 0.) |
1748 | if (delay > 0.) |
1310 | { |
1749 | { |
1311 | #if EV_USE_NANOSLEEP |
1750 | #if EV_USE_NANOSLEEP |
1312 | struct timespec ts; |
1751 | struct timespec ts; |
1313 | |
1752 | |
1314 | EV_TS_SET (ts, delay); |
1753 | EV_TS_SET (ts, delay); |
1315 | nanosleep (&ts, 0); |
1754 | nanosleep (&ts, 0); |
1316 | #elif defined(_WIN32) |
1755 | #elif defined _WIN32 |
1317 | Sleep ((unsigned long)(delay * 1e3)); |
1756 | Sleep ((unsigned long)(delay * 1e3)); |
1318 | #else |
1757 | #else |
1319 | struct timeval tv; |
1758 | struct timeval tv; |
1320 | |
1759 | |
1321 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
1760 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
… | |
… | |
1393 | pendingcb (EV_P_ ev_prepare *w, int revents) |
1832 | pendingcb (EV_P_ ev_prepare *w, int revents) |
1394 | { |
1833 | { |
1395 | } |
1834 | } |
1396 | |
1835 | |
1397 | void noinline |
1836 | void noinline |
1398 | ev_feed_event (EV_P_ void *w, int revents) |
1837 | ev_feed_event (EV_P_ void *w, int revents) EV_THROW |
1399 | { |
1838 | { |
1400 | W w_ = (W)w; |
1839 | W w_ = (W)w; |
1401 | int pri = ABSPRI (w_); |
1840 | int pri = ABSPRI (w_); |
1402 | |
1841 | |
1403 | if (expect_false (w_->pending)) |
1842 | if (expect_false (w_->pending)) |
… | |
… | |
1407 | w_->pending = ++pendingcnt [pri]; |
1846 | w_->pending = ++pendingcnt [pri]; |
1408 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
1847 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
1409 | pendings [pri][w_->pending - 1].w = w_; |
1848 | pendings [pri][w_->pending - 1].w = w_; |
1410 | pendings [pri][w_->pending - 1].events = revents; |
1849 | pendings [pri][w_->pending - 1].events = revents; |
1411 | } |
1850 | } |
|
|
1851 | |
|
|
1852 | pendingpri = NUMPRI - 1; |
1412 | } |
1853 | } |
1413 | |
1854 | |
1414 | inline_speed void |
1855 | inline_speed void |
1415 | feed_reverse (EV_P_ W w) |
1856 | feed_reverse (EV_P_ W w) |
1416 | { |
1857 | { |
… | |
… | |
1462 | if (expect_true (!anfd->reify)) |
1903 | if (expect_true (!anfd->reify)) |
1463 | fd_event_nocheck (EV_A_ fd, revents); |
1904 | fd_event_nocheck (EV_A_ fd, revents); |
1464 | } |
1905 | } |
1465 | |
1906 | |
1466 | void |
1907 | void |
1467 | ev_feed_fd_event (EV_P_ int fd, int revents) |
1908 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW |
1468 | { |
1909 | { |
1469 | if (fd >= 0 && fd < anfdmax) |
1910 | if (fd >= 0 && fd < anfdmax) |
1470 | fd_event_nocheck (EV_A_ fd, revents); |
1911 | fd_event_nocheck (EV_A_ fd, revents); |
1471 | } |
1912 | } |
1472 | |
1913 | |
… | |
… | |
1791 | static void noinline ecb_cold |
2232 | static void noinline ecb_cold |
1792 | evpipe_init (EV_P) |
2233 | evpipe_init (EV_P) |
1793 | { |
2234 | { |
1794 | if (!ev_is_active (&pipe_w)) |
2235 | if (!ev_is_active (&pipe_w)) |
1795 | { |
2236 | { |
|
|
2237 | int fds [2]; |
|
|
2238 | |
1796 | # if EV_USE_EVENTFD |
2239 | # if EV_USE_EVENTFD |
|
|
2240 | fds [0] = -1; |
1797 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
2241 | fds [1] = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
1798 | if (evfd < 0 && errno == EINVAL) |
2242 | if (fds [1] < 0 && errno == EINVAL) |
1799 | evfd = eventfd (0, 0); |
2243 | fds [1] = eventfd (0, 0); |
1800 | |
2244 | |
1801 | if (evfd >= 0) |
2245 | if (fds [1] < 0) |
|
|
2246 | # endif |
1802 | { |
2247 | { |
|
|
2248 | while (pipe (fds)) |
|
|
2249 | ev_syserr ("(libev) error creating signal/async pipe"); |
|
|
2250 | |
|
|
2251 | fd_intern (fds [0]); |
|
|
2252 | } |
|
|
2253 | |
1803 | evpipe [0] = -1; |
2254 | evpipe [0] = fds [0]; |
1804 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
2255 | |
1805 | ev_io_set (&pipe_w, evfd, EV_READ); |
2256 | if (evpipe [1] < 0) |
|
|
2257 | evpipe [1] = fds [1]; /* first call, set write fd */ |
|
|
2258 | else |
|
|
2259 | { |
|
|
2260 | /* on subsequent calls, do not change evpipe [1] */ |
|
|
2261 | /* so that evpipe_write can always rely on its value. */ |
|
|
2262 | /* this branch does not do anything sensible on windows, */ |
|
|
2263 | /* so must not be executed on windows */ |
|
|
2264 | |
|
|
2265 | dup2 (fds [1], evpipe [1]); |
|
|
2266 | close (fds [1]); |
|
|
2267 | } |
|
|
2268 | |
|
|
2269 | fd_intern (evpipe [1]); |
|
|
2270 | |
|
|
2271 | ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ); |
|
|
2272 | ev_io_start (EV_A_ &pipe_w); |
|
|
2273 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
|
|
2274 | } |
|
|
2275 | } |
|
|
2276 | |
|
|
2277 | inline_speed void |
|
|
2278 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
|
|
2279 | { |
|
|
2280 | ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */ |
|
|
2281 | |
|
|
2282 | if (expect_true (*flag)) |
|
|
2283 | return; |
|
|
2284 | |
|
|
2285 | *flag = 1; |
|
|
2286 | ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ |
|
|
2287 | |
|
|
2288 | pipe_write_skipped = 1; |
|
|
2289 | |
|
|
2290 | ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */ |
|
|
2291 | |
|
|
2292 | if (pipe_write_wanted) |
|
|
2293 | { |
|
|
2294 | int old_errno; |
|
|
2295 | |
|
|
2296 | pipe_write_skipped = 0; |
|
|
2297 | ECB_MEMORY_FENCE_RELEASE; |
|
|
2298 | |
|
|
2299 | old_errno = errno; /* save errno because write will clobber it */ |
|
|
2300 | |
|
|
2301 | #if EV_USE_EVENTFD |
|
|
2302 | if (evpipe [0] < 0) |
|
|
2303 | { |
|
|
2304 | uint64_t counter = 1; |
|
|
2305 | write (evpipe [1], &counter, sizeof (uint64_t)); |
1806 | } |
2306 | } |
1807 | else |
2307 | else |
1808 | # endif |
2308 | #endif |
1809 | { |
2309 | { |
1810 | while (pipe (evpipe)) |
2310 | #ifdef _WIN32 |
1811 | ev_syserr ("(libev) error creating signal/async pipe"); |
2311 | WSABUF buf; |
1812 | |
2312 | DWORD sent; |
1813 | fd_intern (evpipe [0]); |
2313 | buf.buf = &buf; |
1814 | fd_intern (evpipe [1]); |
2314 | buf.len = 1; |
1815 | ev_io_set (&pipe_w, evpipe [0], EV_READ); |
2315 | WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0); |
1816 | } |
2316 | #else |
1817 | |
|
|
1818 | ev_io_start (EV_A_ &pipe_w); |
|
|
1819 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
|
|
1820 | } |
|
|
1821 | } |
|
|
1822 | |
|
|
1823 | inline_speed void |
|
|
1824 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
|
|
1825 | { |
|
|
1826 | if (expect_true (*flag)) |
|
|
1827 | return; |
|
|
1828 | |
|
|
1829 | *flag = 1; |
|
|
1830 | |
|
|
1831 | ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ |
|
|
1832 | |
|
|
1833 | pipe_write_skipped = 1; |
|
|
1834 | |
|
|
1835 | ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */ |
|
|
1836 | |
|
|
1837 | if (pipe_write_wanted) |
|
|
1838 | { |
|
|
1839 | int old_errno; |
|
|
1840 | |
|
|
1841 | pipe_write_skipped = 0; /* just an optimisation, no fence needed */ |
|
|
1842 | |
|
|
1843 | old_errno = errno; /* save errno because write will clobber it */ |
|
|
1844 | |
|
|
1845 | #if EV_USE_EVENTFD |
|
|
1846 | if (evfd >= 0) |
|
|
1847 | { |
|
|
1848 | uint64_t counter = 1; |
|
|
1849 | write (evfd, &counter, sizeof (uint64_t)); |
|
|
1850 | } |
|
|
1851 | else |
|
|
1852 | #endif |
|
|
1853 | { |
|
|
1854 | /* win32 people keep sending patches that change this write() to send() */ |
|
|
1855 | /* and then run away. but send() is wrong, it wants a socket handle on win32 */ |
|
|
1856 | /* so when you think this write should be a send instead, please find out */ |
|
|
1857 | /* where your send() is from - it's definitely not the microsoft send, and */ |
|
|
1858 | /* tell me. thank you. */ |
|
|
1859 | write (evpipe [1], &(evpipe [1]), 1); |
2317 | write (evpipe [1], &(evpipe [1]), 1); |
|
|
2318 | #endif |
1860 | } |
2319 | } |
1861 | |
2320 | |
1862 | errno = old_errno; |
2321 | errno = old_errno; |
1863 | } |
2322 | } |
1864 | } |
2323 | } |
… | |
… | |
1871 | int i; |
2330 | int i; |
1872 | |
2331 | |
1873 | if (revents & EV_READ) |
2332 | if (revents & EV_READ) |
1874 | { |
2333 | { |
1875 | #if EV_USE_EVENTFD |
2334 | #if EV_USE_EVENTFD |
1876 | if (evfd >= 0) |
2335 | if (evpipe [0] < 0) |
1877 | { |
2336 | { |
1878 | uint64_t counter; |
2337 | uint64_t counter; |
1879 | read (evfd, &counter, sizeof (uint64_t)); |
2338 | read (evpipe [1], &counter, sizeof (uint64_t)); |
1880 | } |
2339 | } |
1881 | else |
2340 | else |
1882 | #endif |
2341 | #endif |
1883 | { |
2342 | { |
1884 | char dummy; |
2343 | char dummy[4]; |
1885 | /* see discussion in evpipe_write when you think this read should be recv in win32 */ |
2344 | #ifdef _WIN32 |
|
|
2345 | WSABUF buf; |
|
|
2346 | DWORD recvd; |
|
|
2347 | DWORD flags = 0; |
|
|
2348 | buf.buf = dummy; |
|
|
2349 | buf.len = sizeof (dummy); |
|
|
2350 | WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, &flags, 0, 0); |
|
|
2351 | #else |
1886 | read (evpipe [0], &dummy, 1); |
2352 | read (evpipe [0], &dummy, sizeof (dummy)); |
|
|
2353 | #endif |
1887 | } |
2354 | } |
1888 | } |
2355 | } |
1889 | |
2356 | |
1890 | pipe_write_skipped = 0; |
2357 | pipe_write_skipped = 0; |
|
|
2358 | |
|
|
2359 | ECB_MEMORY_FENCE; /* push out skipped, acquire flags */ |
1891 | |
2360 | |
1892 | #if EV_SIGNAL_ENABLE |
2361 | #if EV_SIGNAL_ENABLE |
1893 | if (sig_pending) |
2362 | if (sig_pending) |
1894 | { |
2363 | { |
1895 | sig_pending = 0; |
2364 | sig_pending = 0; |
|
|
2365 | |
|
|
2366 | ECB_MEMORY_FENCE; |
1896 | |
2367 | |
1897 | for (i = EV_NSIG - 1; i--; ) |
2368 | for (i = EV_NSIG - 1; i--; ) |
1898 | if (expect_false (signals [i].pending)) |
2369 | if (expect_false (signals [i].pending)) |
1899 | ev_feed_signal_event (EV_A_ i + 1); |
2370 | ev_feed_signal_event (EV_A_ i + 1); |
1900 | } |
2371 | } |
… | |
… | |
1902 | |
2373 | |
1903 | #if EV_ASYNC_ENABLE |
2374 | #if EV_ASYNC_ENABLE |
1904 | if (async_pending) |
2375 | if (async_pending) |
1905 | { |
2376 | { |
1906 | async_pending = 0; |
2377 | async_pending = 0; |
|
|
2378 | |
|
|
2379 | ECB_MEMORY_FENCE; |
1907 | |
2380 | |
1908 | for (i = asynccnt; i--; ) |
2381 | for (i = asynccnt; i--; ) |
1909 | if (asyncs [i]->sent) |
2382 | if (asyncs [i]->sent) |
1910 | { |
2383 | { |
1911 | asyncs [i]->sent = 0; |
2384 | asyncs [i]->sent = 0; |
|
|
2385 | ECB_MEMORY_FENCE_RELEASE; |
1912 | ev_feed_event (EV_A_ asyncs [i], EV_ASYNC); |
2386 | ev_feed_event (EV_A_ asyncs [i], EV_ASYNC); |
1913 | } |
2387 | } |
1914 | } |
2388 | } |
1915 | #endif |
2389 | #endif |
1916 | } |
2390 | } |
1917 | |
2391 | |
1918 | /*****************************************************************************/ |
2392 | /*****************************************************************************/ |
1919 | |
2393 | |
1920 | void |
2394 | void |
1921 | ev_feed_signal (int signum) |
2395 | ev_feed_signal (int signum) EV_THROW |
1922 | { |
2396 | { |
1923 | #if EV_MULTIPLICITY |
2397 | #if EV_MULTIPLICITY |
|
|
2398 | EV_P; |
|
|
2399 | ECB_MEMORY_FENCE_ACQUIRE; |
1924 | EV_P = signals [signum - 1].loop; |
2400 | EV_A = signals [signum - 1].loop; |
1925 | |
2401 | |
1926 | if (!EV_A) |
2402 | if (!EV_A) |
1927 | return; |
2403 | return; |
1928 | #endif |
2404 | #endif |
1929 | |
2405 | |
1930 | if (!ev_active (&pipe_w)) |
|
|
1931 | return; |
|
|
1932 | |
|
|
1933 | signals [signum - 1].pending = 1; |
2406 | signals [signum - 1].pending = 1; |
1934 | evpipe_write (EV_A_ &sig_pending); |
2407 | evpipe_write (EV_A_ &sig_pending); |
1935 | } |
2408 | } |
1936 | |
2409 | |
1937 | static void |
2410 | static void |
… | |
… | |
1943 | |
2416 | |
1944 | ev_feed_signal (signum); |
2417 | ev_feed_signal (signum); |
1945 | } |
2418 | } |
1946 | |
2419 | |
1947 | void noinline |
2420 | void noinline |
1948 | ev_feed_signal_event (EV_P_ int signum) |
2421 | ev_feed_signal_event (EV_P_ int signum) EV_THROW |
1949 | { |
2422 | { |
1950 | WL w; |
2423 | WL w; |
1951 | |
2424 | |
1952 | if (expect_false (signum <= 0 || signum > EV_NSIG)) |
2425 | if (expect_false (signum <= 0 || signum >= EV_NSIG)) |
1953 | return; |
2426 | return; |
1954 | |
2427 | |
1955 | --signum; |
2428 | --signum; |
1956 | |
2429 | |
1957 | #if EV_MULTIPLICITY |
2430 | #if EV_MULTIPLICITY |
… | |
… | |
1961 | if (expect_false (signals [signum].loop != EV_A)) |
2434 | if (expect_false (signals [signum].loop != EV_A)) |
1962 | return; |
2435 | return; |
1963 | #endif |
2436 | #endif |
1964 | |
2437 | |
1965 | signals [signum].pending = 0; |
2438 | signals [signum].pending = 0; |
|
|
2439 | ECB_MEMORY_FENCE_RELEASE; |
1966 | |
2440 | |
1967 | for (w = signals [signum].head; w; w = w->next) |
2441 | for (w = signals [signum].head; w; w = w->next) |
1968 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
2442 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
1969 | } |
2443 | } |
1970 | |
2444 | |
… | |
… | |
2069 | #if EV_USE_SELECT |
2543 | #if EV_USE_SELECT |
2070 | # include "ev_select.c" |
2544 | # include "ev_select.c" |
2071 | #endif |
2545 | #endif |
2072 | |
2546 | |
2073 | int ecb_cold |
2547 | int ecb_cold |
2074 | ev_version_major (void) |
2548 | ev_version_major (void) EV_THROW |
2075 | { |
2549 | { |
2076 | return EV_VERSION_MAJOR; |
2550 | return EV_VERSION_MAJOR; |
2077 | } |
2551 | } |
2078 | |
2552 | |
2079 | int ecb_cold |
2553 | int ecb_cold |
2080 | ev_version_minor (void) |
2554 | ev_version_minor (void) EV_THROW |
2081 | { |
2555 | { |
2082 | return EV_VERSION_MINOR; |
2556 | return EV_VERSION_MINOR; |
2083 | } |
2557 | } |
2084 | |
2558 | |
2085 | /* return true if we are running with elevated privileges and should ignore env variables */ |
2559 | /* return true if we are running with elevated privileges and should ignore env variables */ |
… | |
… | |
2093 | || getgid () != getegid (); |
2567 | || getgid () != getegid (); |
2094 | #endif |
2568 | #endif |
2095 | } |
2569 | } |
2096 | |
2570 | |
2097 | unsigned int ecb_cold |
2571 | unsigned int ecb_cold |
2098 | ev_supported_backends (void) |
2572 | ev_supported_backends (void) EV_THROW |
2099 | { |
2573 | { |
2100 | unsigned int flags = 0; |
2574 | unsigned int flags = 0; |
2101 | |
2575 | |
2102 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2576 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2103 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
2577 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
… | |
… | |
2107 | |
2581 | |
2108 | return flags; |
2582 | return flags; |
2109 | } |
2583 | } |
2110 | |
2584 | |
2111 | unsigned int ecb_cold |
2585 | unsigned int ecb_cold |
2112 | ev_recommended_backends (void) |
2586 | ev_recommended_backends (void) EV_THROW |
2113 | { |
2587 | { |
2114 | unsigned int flags = ev_supported_backends (); |
2588 | unsigned int flags = ev_supported_backends (); |
2115 | |
2589 | |
2116 | #ifndef __NetBSD__ |
2590 | #ifndef __NetBSD__ |
2117 | /* kqueue is borked on everything but netbsd apparently */ |
2591 | /* kqueue is borked on everything but netbsd apparently */ |
… | |
… | |
2129 | |
2603 | |
2130 | return flags; |
2604 | return flags; |
2131 | } |
2605 | } |
2132 | |
2606 | |
2133 | unsigned int ecb_cold |
2607 | unsigned int ecb_cold |
2134 | ev_embeddable_backends (void) |
2608 | ev_embeddable_backends (void) EV_THROW |
2135 | { |
2609 | { |
2136 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
2610 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
2137 | |
2611 | |
2138 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2612 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2139 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
2613 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
… | |
… | |
2141 | |
2615 | |
2142 | return flags; |
2616 | return flags; |
2143 | } |
2617 | } |
2144 | |
2618 | |
2145 | unsigned int |
2619 | unsigned int |
2146 | ev_backend (EV_P) |
2620 | ev_backend (EV_P) EV_THROW |
2147 | { |
2621 | { |
2148 | return backend; |
2622 | return backend; |
2149 | } |
2623 | } |
2150 | |
2624 | |
2151 | #if EV_FEATURE_API |
2625 | #if EV_FEATURE_API |
2152 | unsigned int |
2626 | unsigned int |
2153 | ev_iteration (EV_P) |
2627 | ev_iteration (EV_P) EV_THROW |
2154 | { |
2628 | { |
2155 | return loop_count; |
2629 | return loop_count; |
2156 | } |
2630 | } |
2157 | |
2631 | |
2158 | unsigned int |
2632 | unsigned int |
2159 | ev_depth (EV_P) |
2633 | ev_depth (EV_P) EV_THROW |
2160 | { |
2634 | { |
2161 | return loop_depth; |
2635 | return loop_depth; |
2162 | } |
2636 | } |
2163 | |
2637 | |
2164 | void |
2638 | void |
2165 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
2639 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
2166 | { |
2640 | { |
2167 | io_blocktime = interval; |
2641 | io_blocktime = interval; |
2168 | } |
2642 | } |
2169 | |
2643 | |
2170 | void |
2644 | void |
2171 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
2645 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
2172 | { |
2646 | { |
2173 | timeout_blocktime = interval; |
2647 | timeout_blocktime = interval; |
2174 | } |
2648 | } |
2175 | |
2649 | |
2176 | void |
2650 | void |
2177 | ev_set_userdata (EV_P_ void *data) |
2651 | ev_set_userdata (EV_P_ void *data) EV_THROW |
2178 | { |
2652 | { |
2179 | userdata = data; |
2653 | userdata = data; |
2180 | } |
2654 | } |
2181 | |
2655 | |
2182 | void * |
2656 | void * |
2183 | ev_userdata (EV_P) |
2657 | ev_userdata (EV_P) EV_THROW |
2184 | { |
2658 | { |
2185 | return userdata; |
2659 | return userdata; |
2186 | } |
2660 | } |
2187 | |
2661 | |
2188 | void |
2662 | void |
2189 | ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) |
2663 | ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW |
2190 | { |
2664 | { |
2191 | invoke_cb = invoke_pending_cb; |
2665 | invoke_cb = invoke_pending_cb; |
2192 | } |
2666 | } |
2193 | |
2667 | |
2194 | void |
2668 | void |
2195 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) |
2669 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW |
2196 | { |
2670 | { |
2197 | release_cb = release; |
2671 | release_cb = release; |
2198 | acquire_cb = acquire; |
2672 | acquire_cb = acquire; |
2199 | } |
2673 | } |
2200 | #endif |
2674 | #endif |
2201 | |
2675 | |
2202 | /* initialise a loop structure, must be zero-initialised */ |
2676 | /* initialise a loop structure, must be zero-initialised */ |
2203 | static void noinline ecb_cold |
2677 | static void noinline ecb_cold |
2204 | loop_init (EV_P_ unsigned int flags) |
2678 | loop_init (EV_P_ unsigned int flags) EV_THROW |
2205 | { |
2679 | { |
2206 | if (!backend) |
2680 | if (!backend) |
2207 | { |
2681 | { |
2208 | origflags = flags; |
2682 | origflags = flags; |
2209 | |
2683 | |
… | |
… | |
2254 | #if EV_ASYNC_ENABLE |
2728 | #if EV_ASYNC_ENABLE |
2255 | async_pending = 0; |
2729 | async_pending = 0; |
2256 | #endif |
2730 | #endif |
2257 | pipe_write_skipped = 0; |
2731 | pipe_write_skipped = 0; |
2258 | pipe_write_wanted = 0; |
2732 | pipe_write_wanted = 0; |
|
|
2733 | evpipe [0] = -1; |
|
|
2734 | evpipe [1] = -1; |
2259 | #if EV_USE_INOTIFY |
2735 | #if EV_USE_INOTIFY |
2260 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
2736 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
2261 | #endif |
2737 | #endif |
2262 | #if EV_USE_SIGNALFD |
2738 | #if EV_USE_SIGNALFD |
2263 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
2739 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
… | |
… | |
2314 | EV_INVOKE_PENDING; |
2790 | EV_INVOKE_PENDING; |
2315 | } |
2791 | } |
2316 | #endif |
2792 | #endif |
2317 | |
2793 | |
2318 | #if EV_CHILD_ENABLE |
2794 | #if EV_CHILD_ENABLE |
2319 | if (ev_is_active (&childev)) |
2795 | if (ev_is_default_loop (EV_A) && ev_is_active (&childev)) |
2320 | { |
2796 | { |
2321 | ev_ref (EV_A); /* child watcher */ |
2797 | ev_ref (EV_A); /* child watcher */ |
2322 | ev_signal_stop (EV_A_ &childev); |
2798 | ev_signal_stop (EV_A_ &childev); |
2323 | } |
2799 | } |
2324 | #endif |
2800 | #endif |
… | |
… | |
2326 | if (ev_is_active (&pipe_w)) |
2802 | if (ev_is_active (&pipe_w)) |
2327 | { |
2803 | { |
2328 | /*ev_ref (EV_A);*/ |
2804 | /*ev_ref (EV_A);*/ |
2329 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
2805 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
2330 | |
2806 | |
2331 | #if EV_USE_EVENTFD |
|
|
2332 | if (evfd >= 0) |
|
|
2333 | close (evfd); |
|
|
2334 | #endif |
|
|
2335 | |
|
|
2336 | if (evpipe [0] >= 0) |
|
|
2337 | { |
|
|
2338 | EV_WIN32_CLOSE_FD (evpipe [0]); |
2807 | if (evpipe [0] >= 0) EV_WIN32_CLOSE_FD (evpipe [0]); |
2339 | EV_WIN32_CLOSE_FD (evpipe [1]); |
2808 | if (evpipe [1] >= 0) EV_WIN32_CLOSE_FD (evpipe [1]); |
2340 | } |
|
|
2341 | } |
2809 | } |
2342 | |
2810 | |
2343 | #if EV_USE_SIGNALFD |
2811 | #if EV_USE_SIGNALFD |
2344 | if (ev_is_active (&sigfd_w)) |
2812 | if (ev_is_active (&sigfd_w)) |
2345 | close (sigfd); |
2813 | close (sigfd); |
… | |
… | |
2431 | #endif |
2899 | #endif |
2432 | #if EV_USE_INOTIFY |
2900 | #if EV_USE_INOTIFY |
2433 | infy_fork (EV_A); |
2901 | infy_fork (EV_A); |
2434 | #endif |
2902 | #endif |
2435 | |
2903 | |
|
|
2904 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2436 | if (ev_is_active (&pipe_w)) |
2905 | if (ev_is_active (&pipe_w)) |
2437 | { |
2906 | { |
2438 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
2907 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
2439 | |
2908 | |
2440 | ev_ref (EV_A); |
2909 | ev_ref (EV_A); |
2441 | ev_io_stop (EV_A_ &pipe_w); |
2910 | ev_io_stop (EV_A_ &pipe_w); |
2442 | |
2911 | |
2443 | #if EV_USE_EVENTFD |
|
|
2444 | if (evfd >= 0) |
|
|
2445 | close (evfd); |
|
|
2446 | #endif |
|
|
2447 | |
|
|
2448 | if (evpipe [0] >= 0) |
2912 | if (evpipe [0] >= 0) |
2449 | { |
|
|
2450 | EV_WIN32_CLOSE_FD (evpipe [0]); |
2913 | EV_WIN32_CLOSE_FD (evpipe [0]); |
2451 | EV_WIN32_CLOSE_FD (evpipe [1]); |
|
|
2452 | } |
|
|
2453 | |
2914 | |
2454 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
|
|
2455 | evpipe_init (EV_A); |
2915 | evpipe_init (EV_A); |
2456 | /* now iterate over everything, in case we missed something */ |
2916 | /* iterate over everything, in case we missed something before */ |
2457 | pipecb (EV_A_ &pipe_w, EV_READ); |
2917 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
2458 | #endif |
|
|
2459 | } |
2918 | } |
|
|
2919 | #endif |
2460 | |
2920 | |
2461 | postfork = 0; |
2921 | postfork = 0; |
2462 | } |
2922 | } |
2463 | |
2923 | |
2464 | #if EV_MULTIPLICITY |
2924 | #if EV_MULTIPLICITY |
2465 | |
2925 | |
2466 | struct ev_loop * ecb_cold |
2926 | struct ev_loop * ecb_cold |
2467 | ev_loop_new (unsigned int flags) |
2927 | ev_loop_new (unsigned int flags) EV_THROW |
2468 | { |
2928 | { |
2469 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
2929 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
2470 | |
2930 | |
2471 | memset (EV_A, 0, sizeof (struct ev_loop)); |
2931 | memset (EV_A, 0, sizeof (struct ev_loop)); |
2472 | loop_init (EV_A_ flags); |
2932 | loop_init (EV_A_ flags); |
… | |
… | |
2516 | } |
2976 | } |
2517 | #endif |
2977 | #endif |
2518 | |
2978 | |
2519 | #if EV_FEATURE_API |
2979 | #if EV_FEATURE_API |
2520 | void ecb_cold |
2980 | void ecb_cold |
2521 | ev_verify (EV_P) |
2981 | ev_verify (EV_P) EV_THROW |
2522 | { |
2982 | { |
2523 | #if EV_VERIFY |
2983 | #if EV_VERIFY |
2524 | int i; |
2984 | int i; |
2525 | WL w; |
2985 | WL w, w2; |
2526 | |
2986 | |
2527 | assert (activecnt >= -1); |
2987 | assert (activecnt >= -1); |
2528 | |
2988 | |
2529 | assert (fdchangemax >= fdchangecnt); |
2989 | assert (fdchangemax >= fdchangecnt); |
2530 | for (i = 0; i < fdchangecnt; ++i) |
2990 | for (i = 0; i < fdchangecnt; ++i) |
2531 | assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); |
2991 | assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); |
2532 | |
2992 | |
2533 | assert (anfdmax >= 0); |
2993 | assert (anfdmax >= 0); |
2534 | for (i = 0; i < anfdmax; ++i) |
2994 | for (i = 0; i < anfdmax; ++i) |
|
|
2995 | { |
|
|
2996 | int j = 0; |
|
|
2997 | |
2535 | for (w = anfds [i].head; w; w = w->next) |
2998 | for (w = w2 = anfds [i].head; w; w = w->next) |
2536 | { |
2999 | { |
2537 | verify_watcher (EV_A_ (W)w); |
3000 | verify_watcher (EV_A_ (W)w); |
|
|
3001 | |
|
|
3002 | if (j++ & 1) |
|
|
3003 | { |
|
|
3004 | assert (("libev: io watcher list contains a loop", w != w2)); |
|
|
3005 | w2 = w2->next; |
|
|
3006 | } |
|
|
3007 | |
2538 | assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); |
3008 | assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); |
2539 | assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
3009 | assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
2540 | } |
3010 | } |
|
|
3011 | } |
2541 | |
3012 | |
2542 | assert (timermax >= timercnt); |
3013 | assert (timermax >= timercnt); |
2543 | verify_heap (EV_A_ timers, timercnt); |
3014 | verify_heap (EV_A_ timers, timercnt); |
2544 | |
3015 | |
2545 | #if EV_PERIODIC_ENABLE |
3016 | #if EV_PERIODIC_ENABLE |
… | |
… | |
2595 | #if EV_MULTIPLICITY |
3066 | #if EV_MULTIPLICITY |
2596 | struct ev_loop * ecb_cold |
3067 | struct ev_loop * ecb_cold |
2597 | #else |
3068 | #else |
2598 | int |
3069 | int |
2599 | #endif |
3070 | #endif |
2600 | ev_default_loop (unsigned int flags) |
3071 | ev_default_loop (unsigned int flags) EV_THROW |
2601 | { |
3072 | { |
2602 | if (!ev_default_loop_ptr) |
3073 | if (!ev_default_loop_ptr) |
2603 | { |
3074 | { |
2604 | #if EV_MULTIPLICITY |
3075 | #if EV_MULTIPLICITY |
2605 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
3076 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
… | |
… | |
2624 | |
3095 | |
2625 | return ev_default_loop_ptr; |
3096 | return ev_default_loop_ptr; |
2626 | } |
3097 | } |
2627 | |
3098 | |
2628 | void |
3099 | void |
2629 | ev_loop_fork (EV_P) |
3100 | ev_loop_fork (EV_P) EV_THROW |
2630 | { |
3101 | { |
2631 | postfork = 1; /* must be in line with ev_default_fork */ |
3102 | postfork = 1; |
2632 | } |
3103 | } |
2633 | |
3104 | |
2634 | /*****************************************************************************/ |
3105 | /*****************************************************************************/ |
2635 | |
3106 | |
2636 | void |
3107 | void |
… | |
… | |
2638 | { |
3109 | { |
2639 | EV_CB_INVOKE ((W)w, revents); |
3110 | EV_CB_INVOKE ((W)w, revents); |
2640 | } |
3111 | } |
2641 | |
3112 | |
2642 | unsigned int |
3113 | unsigned int |
2643 | ev_pending_count (EV_P) |
3114 | ev_pending_count (EV_P) EV_THROW |
2644 | { |
3115 | { |
2645 | int pri; |
3116 | int pri; |
2646 | unsigned int count = 0; |
3117 | unsigned int count = 0; |
2647 | |
3118 | |
2648 | for (pri = NUMPRI; pri--; ) |
3119 | for (pri = NUMPRI; pri--; ) |
… | |
… | |
2652 | } |
3123 | } |
2653 | |
3124 | |
2654 | void noinline |
3125 | void noinline |
2655 | ev_invoke_pending (EV_P) |
3126 | ev_invoke_pending (EV_P) |
2656 | { |
3127 | { |
2657 | int pri; |
3128 | pendingpri = NUMPRI; |
2658 | |
3129 | |
2659 | for (pri = NUMPRI; pri--; ) |
3130 | while (pendingpri) /* pendingpri possibly gets modified in the inner loop */ |
|
|
3131 | { |
|
|
3132 | --pendingpri; |
|
|
3133 | |
2660 | while (pendingcnt [pri]) |
3134 | while (pendingcnt [pendingpri]) |
2661 | { |
3135 | { |
2662 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
3136 | ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri]; |
2663 | |
3137 | |
2664 | p->w->pending = 0; |
3138 | p->w->pending = 0; |
2665 | EV_CB_INVOKE (p->w, p->events); |
3139 | EV_CB_INVOKE (p->w, p->events); |
2666 | EV_FREQUENT_CHECK; |
3140 | EV_FREQUENT_CHECK; |
2667 | } |
3141 | } |
|
|
3142 | } |
2668 | } |
3143 | } |
2669 | |
3144 | |
2670 | #if EV_IDLE_ENABLE |
3145 | #if EV_IDLE_ENABLE |
2671 | /* make idle watchers pending. this handles the "call-idle */ |
3146 | /* make idle watchers pending. this handles the "call-idle */ |
2672 | /* only when higher priorities are idle" logic */ |
3147 | /* only when higher priorities are idle" logic */ |
… | |
… | |
2762 | { |
3237 | { |
2763 | EV_FREQUENT_CHECK; |
3238 | EV_FREQUENT_CHECK; |
2764 | |
3239 | |
2765 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
3240 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
2766 | { |
3241 | { |
2767 | int feed_count = 0; |
|
|
2768 | |
|
|
2769 | do |
3242 | do |
2770 | { |
3243 | { |
2771 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
3244 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
2772 | |
3245 | |
2773 | /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ |
3246 | /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ |
… | |
… | |
2907 | |
3380 | |
2908 | mn_now = ev_rt_now; |
3381 | mn_now = ev_rt_now; |
2909 | } |
3382 | } |
2910 | } |
3383 | } |
2911 | |
3384 | |
2912 | void |
3385 | int |
2913 | ev_run (EV_P_ int flags) |
3386 | ev_run (EV_P_ int flags) |
2914 | { |
3387 | { |
2915 | #if EV_FEATURE_API |
3388 | #if EV_FEATURE_API |
2916 | ++loop_depth; |
3389 | ++loop_depth; |
2917 | #endif |
3390 | #endif |
… | |
… | |
3032 | backend_poll (EV_A_ waittime); |
3505 | backend_poll (EV_A_ waittime); |
3033 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
3506 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
3034 | |
3507 | |
3035 | pipe_write_wanted = 0; /* just an optimisation, no fence needed */ |
3508 | pipe_write_wanted = 0; /* just an optimisation, no fence needed */ |
3036 | |
3509 | |
|
|
3510 | ECB_MEMORY_FENCE_ACQUIRE; |
3037 | if (pipe_write_skipped) |
3511 | if (pipe_write_skipped) |
3038 | { |
3512 | { |
3039 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
3513 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
3040 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
3514 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
3041 | } |
3515 | } |
… | |
… | |
3074 | loop_done = EVBREAK_CANCEL; |
3548 | loop_done = EVBREAK_CANCEL; |
3075 | |
3549 | |
3076 | #if EV_FEATURE_API |
3550 | #if EV_FEATURE_API |
3077 | --loop_depth; |
3551 | --loop_depth; |
3078 | #endif |
3552 | #endif |
|
|
3553 | |
|
|
3554 | return activecnt; |
3079 | } |
3555 | } |
3080 | |
3556 | |
3081 | void |
3557 | void |
3082 | ev_break (EV_P_ int how) |
3558 | ev_break (EV_P_ int how) EV_THROW |
3083 | { |
3559 | { |
3084 | loop_done = how; |
3560 | loop_done = how; |
3085 | } |
3561 | } |
3086 | |
3562 | |
3087 | void |
3563 | void |
3088 | ev_ref (EV_P) |
3564 | ev_ref (EV_P) EV_THROW |
3089 | { |
3565 | { |
3090 | ++activecnt; |
3566 | ++activecnt; |
3091 | } |
3567 | } |
3092 | |
3568 | |
3093 | void |
3569 | void |
3094 | ev_unref (EV_P) |
3570 | ev_unref (EV_P) EV_THROW |
3095 | { |
3571 | { |
3096 | --activecnt; |
3572 | --activecnt; |
3097 | } |
3573 | } |
3098 | |
3574 | |
3099 | void |
3575 | void |
3100 | ev_now_update (EV_P) |
3576 | ev_now_update (EV_P) EV_THROW |
3101 | { |
3577 | { |
3102 | time_update (EV_A_ 1e100); |
3578 | time_update (EV_A_ 1e100); |
3103 | } |
3579 | } |
3104 | |
3580 | |
3105 | void |
3581 | void |
3106 | ev_suspend (EV_P) |
3582 | ev_suspend (EV_P) EV_THROW |
3107 | { |
3583 | { |
3108 | ev_now_update (EV_A); |
3584 | ev_now_update (EV_A); |
3109 | } |
3585 | } |
3110 | |
3586 | |
3111 | void |
3587 | void |
3112 | ev_resume (EV_P) |
3588 | ev_resume (EV_P) EV_THROW |
3113 | { |
3589 | { |
3114 | ev_tstamp mn_prev = mn_now; |
3590 | ev_tstamp mn_prev = mn_now; |
3115 | |
3591 | |
3116 | ev_now_update (EV_A); |
3592 | ev_now_update (EV_A); |
3117 | timers_reschedule (EV_A_ mn_now - mn_prev); |
3593 | timers_reschedule (EV_A_ mn_now - mn_prev); |
… | |
… | |
3156 | w->pending = 0; |
3632 | w->pending = 0; |
3157 | } |
3633 | } |
3158 | } |
3634 | } |
3159 | |
3635 | |
3160 | int |
3636 | int |
3161 | ev_clear_pending (EV_P_ void *w) |
3637 | ev_clear_pending (EV_P_ void *w) EV_THROW |
3162 | { |
3638 | { |
3163 | W w_ = (W)w; |
3639 | W w_ = (W)w; |
3164 | int pending = w_->pending; |
3640 | int pending = w_->pending; |
3165 | |
3641 | |
3166 | if (expect_true (pending)) |
3642 | if (expect_true (pending)) |
… | |
… | |
3199 | } |
3675 | } |
3200 | |
3676 | |
3201 | /*****************************************************************************/ |
3677 | /*****************************************************************************/ |
3202 | |
3678 | |
3203 | void noinline |
3679 | void noinline |
3204 | ev_io_start (EV_P_ ev_io *w) |
3680 | ev_io_start (EV_P_ ev_io *w) EV_THROW |
3205 | { |
3681 | { |
3206 | int fd = w->fd; |
3682 | int fd = w->fd; |
3207 | |
3683 | |
3208 | if (expect_false (ev_is_active (w))) |
3684 | if (expect_false (ev_is_active (w))) |
3209 | return; |
3685 | return; |
… | |
… | |
3215 | |
3691 | |
3216 | ev_start (EV_A_ (W)w, 1); |
3692 | ev_start (EV_A_ (W)w, 1); |
3217 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
3693 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
3218 | wlist_add (&anfds[fd].head, (WL)w); |
3694 | wlist_add (&anfds[fd].head, (WL)w); |
3219 | |
3695 | |
|
|
3696 | /* common bug, apparently */ |
|
|
3697 | assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w)); |
|
|
3698 | |
3220 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); |
3699 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); |
3221 | w->events &= ~EV__IOFDSET; |
3700 | w->events &= ~EV__IOFDSET; |
3222 | |
3701 | |
3223 | EV_FREQUENT_CHECK; |
3702 | EV_FREQUENT_CHECK; |
3224 | } |
3703 | } |
3225 | |
3704 | |
3226 | void noinline |
3705 | void noinline |
3227 | ev_io_stop (EV_P_ ev_io *w) |
3706 | ev_io_stop (EV_P_ ev_io *w) EV_THROW |
3228 | { |
3707 | { |
3229 | clear_pending (EV_A_ (W)w); |
3708 | clear_pending (EV_A_ (W)w); |
3230 | if (expect_false (!ev_is_active (w))) |
3709 | if (expect_false (!ev_is_active (w))) |
3231 | return; |
3710 | return; |
3232 | |
3711 | |
… | |
… | |
3241 | |
3720 | |
3242 | EV_FREQUENT_CHECK; |
3721 | EV_FREQUENT_CHECK; |
3243 | } |
3722 | } |
3244 | |
3723 | |
3245 | void noinline |
3724 | void noinline |
3246 | ev_timer_start (EV_P_ ev_timer *w) |
3725 | ev_timer_start (EV_P_ ev_timer *w) EV_THROW |
3247 | { |
3726 | { |
3248 | if (expect_false (ev_is_active (w))) |
3727 | if (expect_false (ev_is_active (w))) |
3249 | return; |
3728 | return; |
3250 | |
3729 | |
3251 | ev_at (w) += mn_now; |
3730 | ev_at (w) += mn_now; |
… | |
… | |
3265 | |
3744 | |
3266 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
3745 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
3267 | } |
3746 | } |
3268 | |
3747 | |
3269 | void noinline |
3748 | void noinline |
3270 | ev_timer_stop (EV_P_ ev_timer *w) |
3749 | ev_timer_stop (EV_P_ ev_timer *w) EV_THROW |
3271 | { |
3750 | { |
3272 | clear_pending (EV_A_ (W)w); |
3751 | clear_pending (EV_A_ (W)w); |
3273 | if (expect_false (!ev_is_active (w))) |
3752 | if (expect_false (!ev_is_active (w))) |
3274 | return; |
3753 | return; |
3275 | |
3754 | |
… | |
… | |
3295 | |
3774 | |
3296 | EV_FREQUENT_CHECK; |
3775 | EV_FREQUENT_CHECK; |
3297 | } |
3776 | } |
3298 | |
3777 | |
3299 | void noinline |
3778 | void noinline |
3300 | ev_timer_again (EV_P_ ev_timer *w) |
3779 | ev_timer_again (EV_P_ ev_timer *w) EV_THROW |
3301 | { |
3780 | { |
3302 | EV_FREQUENT_CHECK; |
3781 | EV_FREQUENT_CHECK; |
|
|
3782 | |
|
|
3783 | clear_pending (EV_A_ (W)w); |
3303 | |
3784 | |
3304 | if (ev_is_active (w)) |
3785 | if (ev_is_active (w)) |
3305 | { |
3786 | { |
3306 | if (w->repeat) |
3787 | if (w->repeat) |
3307 | { |
3788 | { |
… | |
… | |
3320 | |
3801 | |
3321 | EV_FREQUENT_CHECK; |
3802 | EV_FREQUENT_CHECK; |
3322 | } |
3803 | } |
3323 | |
3804 | |
3324 | ev_tstamp |
3805 | ev_tstamp |
3325 | ev_timer_remaining (EV_P_ ev_timer *w) |
3806 | ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW |
3326 | { |
3807 | { |
3327 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
3808 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
3328 | } |
3809 | } |
3329 | |
3810 | |
3330 | #if EV_PERIODIC_ENABLE |
3811 | #if EV_PERIODIC_ENABLE |
3331 | void noinline |
3812 | void noinline |
3332 | ev_periodic_start (EV_P_ ev_periodic *w) |
3813 | ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW |
3333 | { |
3814 | { |
3334 | if (expect_false (ev_is_active (w))) |
3815 | if (expect_false (ev_is_active (w))) |
3335 | return; |
3816 | return; |
3336 | |
3817 | |
3337 | if (w->reschedule_cb) |
3818 | if (w->reschedule_cb) |
… | |
… | |
3357 | |
3838 | |
3358 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
3839 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
3359 | } |
3840 | } |
3360 | |
3841 | |
3361 | void noinline |
3842 | void noinline |
3362 | ev_periodic_stop (EV_P_ ev_periodic *w) |
3843 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW |
3363 | { |
3844 | { |
3364 | clear_pending (EV_A_ (W)w); |
3845 | clear_pending (EV_A_ (W)w); |
3365 | if (expect_false (!ev_is_active (w))) |
3846 | if (expect_false (!ev_is_active (w))) |
3366 | return; |
3847 | return; |
3367 | |
3848 | |
… | |
… | |
3385 | |
3866 | |
3386 | EV_FREQUENT_CHECK; |
3867 | EV_FREQUENT_CHECK; |
3387 | } |
3868 | } |
3388 | |
3869 | |
3389 | void noinline |
3870 | void noinline |
3390 | ev_periodic_again (EV_P_ ev_periodic *w) |
3871 | ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW |
3391 | { |
3872 | { |
3392 | /* TODO: use adjustheap and recalculation */ |
3873 | /* TODO: use adjustheap and recalculation */ |
3393 | ev_periodic_stop (EV_A_ w); |
3874 | ev_periodic_stop (EV_A_ w); |
3394 | ev_periodic_start (EV_A_ w); |
3875 | ev_periodic_start (EV_A_ w); |
3395 | } |
3876 | } |
… | |
… | |
3400 | #endif |
3881 | #endif |
3401 | |
3882 | |
3402 | #if EV_SIGNAL_ENABLE |
3883 | #if EV_SIGNAL_ENABLE |
3403 | |
3884 | |
3404 | void noinline |
3885 | void noinline |
3405 | ev_signal_start (EV_P_ ev_signal *w) |
3886 | ev_signal_start (EV_P_ ev_signal *w) EV_THROW |
3406 | { |
3887 | { |
3407 | if (expect_false (ev_is_active (w))) |
3888 | if (expect_false (ev_is_active (w))) |
3408 | return; |
3889 | return; |
3409 | |
3890 | |
3410 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
3891 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
… | |
… | |
3412 | #if EV_MULTIPLICITY |
3893 | #if EV_MULTIPLICITY |
3413 | assert (("libev: a signal must not be attached to two different loops", |
3894 | assert (("libev: a signal must not be attached to two different loops", |
3414 | !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop)); |
3895 | !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop)); |
3415 | |
3896 | |
3416 | signals [w->signum - 1].loop = EV_A; |
3897 | signals [w->signum - 1].loop = EV_A; |
|
|
3898 | ECB_MEMORY_FENCE_RELEASE; |
3417 | #endif |
3899 | #endif |
3418 | |
3900 | |
3419 | EV_FREQUENT_CHECK; |
3901 | EV_FREQUENT_CHECK; |
3420 | |
3902 | |
3421 | #if EV_USE_SIGNALFD |
3903 | #if EV_USE_SIGNALFD |
… | |
… | |
3481 | |
3963 | |
3482 | EV_FREQUENT_CHECK; |
3964 | EV_FREQUENT_CHECK; |
3483 | } |
3965 | } |
3484 | |
3966 | |
3485 | void noinline |
3967 | void noinline |
3486 | ev_signal_stop (EV_P_ ev_signal *w) |
3968 | ev_signal_stop (EV_P_ ev_signal *w) EV_THROW |
3487 | { |
3969 | { |
3488 | clear_pending (EV_A_ (W)w); |
3970 | clear_pending (EV_A_ (W)w); |
3489 | if (expect_false (!ev_is_active (w))) |
3971 | if (expect_false (!ev_is_active (w))) |
3490 | return; |
3972 | return; |
3491 | |
3973 | |
… | |
… | |
3522 | #endif |
4004 | #endif |
3523 | |
4005 | |
3524 | #if EV_CHILD_ENABLE |
4006 | #if EV_CHILD_ENABLE |
3525 | |
4007 | |
3526 | void |
4008 | void |
3527 | ev_child_start (EV_P_ ev_child *w) |
4009 | ev_child_start (EV_P_ ev_child *w) EV_THROW |
3528 | { |
4010 | { |
3529 | #if EV_MULTIPLICITY |
4011 | #if EV_MULTIPLICITY |
3530 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
4012 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
3531 | #endif |
4013 | #endif |
3532 | if (expect_false (ev_is_active (w))) |
4014 | if (expect_false (ev_is_active (w))) |
… | |
… | |
3539 | |
4021 | |
3540 | EV_FREQUENT_CHECK; |
4022 | EV_FREQUENT_CHECK; |
3541 | } |
4023 | } |
3542 | |
4024 | |
3543 | void |
4025 | void |
3544 | ev_child_stop (EV_P_ ev_child *w) |
4026 | ev_child_stop (EV_P_ ev_child *w) EV_THROW |
3545 | { |
4027 | { |
3546 | clear_pending (EV_A_ (W)w); |
4028 | clear_pending (EV_A_ (W)w); |
3547 | if (expect_false (!ev_is_active (w))) |
4029 | if (expect_false (!ev_is_active (w))) |
3548 | return; |
4030 | return; |
3549 | |
4031 | |
… | |
… | |
3576 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
4058 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
3577 | |
4059 | |
3578 | static void noinline |
4060 | static void noinline |
3579 | infy_add (EV_P_ ev_stat *w) |
4061 | infy_add (EV_P_ ev_stat *w) |
3580 | { |
4062 | { |
3581 | 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); |
4063 | w->wd = inotify_add_watch (fs_fd, w->path, |
|
|
4064 | IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY |
|
|
4065 | | IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO |
|
|
4066 | | IN_DONT_FOLLOW | IN_MASK_ADD); |
3582 | |
4067 | |
3583 | if (w->wd >= 0) |
4068 | if (w->wd >= 0) |
3584 | { |
4069 | { |
3585 | struct statfs sfs; |
4070 | struct statfs sfs; |
3586 | |
4071 | |
… | |
… | |
3590 | |
4075 | |
3591 | if (!fs_2625) |
4076 | if (!fs_2625) |
3592 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
4077 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
3593 | else if (!statfs (w->path, &sfs) |
4078 | else if (!statfs (w->path, &sfs) |
3594 | && (sfs.f_type == 0x1373 /* devfs */ |
4079 | && (sfs.f_type == 0x1373 /* devfs */ |
|
|
4080 | || sfs.f_type == 0x4006 /* fat */ |
|
|
4081 | || sfs.f_type == 0x4d44 /* msdos */ |
3595 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
4082 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
4083 | || sfs.f_type == 0x72b6 /* jffs2 */ |
|
|
4084 | || sfs.f_type == 0x858458f6 /* ramfs */ |
|
|
4085 | || sfs.f_type == 0x5346544e /* ntfs */ |
3596 | || sfs.f_type == 0x3153464a /* jfs */ |
4086 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
4087 | || sfs.f_type == 0x9123683e /* btrfs */ |
3597 | || sfs.f_type == 0x52654973 /* reiser3 */ |
4088 | || sfs.f_type == 0x52654973 /* reiser3 */ |
3598 | || sfs.f_type == 0x01021994 /* tempfs */ |
4089 | || sfs.f_type == 0x01021994 /* tmpfs */ |
3599 | || sfs.f_type == 0x58465342 /* xfs */)) |
4090 | || sfs.f_type == 0x58465342 /* xfs */)) |
3600 | w->timer.repeat = 0.; /* filesystem is local, kernel new enough */ |
4091 | w->timer.repeat = 0.; /* filesystem is local, kernel new enough */ |
3601 | else |
4092 | else |
3602 | w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */ |
4093 | w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */ |
3603 | } |
4094 | } |
… | |
… | |
3716 | } |
4207 | } |
3717 | |
4208 | |
3718 | inline_size int |
4209 | inline_size int |
3719 | infy_newfd (void) |
4210 | infy_newfd (void) |
3720 | { |
4211 | { |
3721 | #if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) |
4212 | #if defined IN_CLOEXEC && defined IN_NONBLOCK |
3722 | int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); |
4213 | int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); |
3723 | if (fd >= 0) |
4214 | if (fd >= 0) |
3724 | return fd; |
4215 | return fd; |
3725 | #endif |
4216 | #endif |
3726 | return inotify_init (); |
4217 | return inotify_init (); |
… | |
… | |
3801 | #else |
4292 | #else |
3802 | # define EV_LSTAT(p,b) lstat (p, b) |
4293 | # define EV_LSTAT(p,b) lstat (p, b) |
3803 | #endif |
4294 | #endif |
3804 | |
4295 | |
3805 | void |
4296 | void |
3806 | ev_stat_stat (EV_P_ ev_stat *w) |
4297 | ev_stat_stat (EV_P_ ev_stat *w) EV_THROW |
3807 | { |
4298 | { |
3808 | if (lstat (w->path, &w->attr) < 0) |
4299 | if (lstat (w->path, &w->attr) < 0) |
3809 | w->attr.st_nlink = 0; |
4300 | w->attr.st_nlink = 0; |
3810 | else if (!w->attr.st_nlink) |
4301 | else if (!w->attr.st_nlink) |
3811 | w->attr.st_nlink = 1; |
4302 | w->attr.st_nlink = 1; |
… | |
… | |
3850 | ev_feed_event (EV_A_ w, EV_STAT); |
4341 | ev_feed_event (EV_A_ w, EV_STAT); |
3851 | } |
4342 | } |
3852 | } |
4343 | } |
3853 | |
4344 | |
3854 | void |
4345 | void |
3855 | ev_stat_start (EV_P_ ev_stat *w) |
4346 | ev_stat_start (EV_P_ ev_stat *w) EV_THROW |
3856 | { |
4347 | { |
3857 | if (expect_false (ev_is_active (w))) |
4348 | if (expect_false (ev_is_active (w))) |
3858 | return; |
4349 | return; |
3859 | |
4350 | |
3860 | ev_stat_stat (EV_A_ w); |
4351 | ev_stat_stat (EV_A_ w); |
… | |
… | |
3881 | |
4372 | |
3882 | EV_FREQUENT_CHECK; |
4373 | EV_FREQUENT_CHECK; |
3883 | } |
4374 | } |
3884 | |
4375 | |
3885 | void |
4376 | void |
3886 | ev_stat_stop (EV_P_ ev_stat *w) |
4377 | ev_stat_stop (EV_P_ ev_stat *w) EV_THROW |
3887 | { |
4378 | { |
3888 | clear_pending (EV_A_ (W)w); |
4379 | clear_pending (EV_A_ (W)w); |
3889 | if (expect_false (!ev_is_active (w))) |
4380 | if (expect_false (!ev_is_active (w))) |
3890 | return; |
4381 | return; |
3891 | |
4382 | |
… | |
… | |
3907 | } |
4398 | } |
3908 | #endif |
4399 | #endif |
3909 | |
4400 | |
3910 | #if EV_IDLE_ENABLE |
4401 | #if EV_IDLE_ENABLE |
3911 | void |
4402 | void |
3912 | ev_idle_start (EV_P_ ev_idle *w) |
4403 | ev_idle_start (EV_P_ ev_idle *w) EV_THROW |
3913 | { |
4404 | { |
3914 | if (expect_false (ev_is_active (w))) |
4405 | if (expect_false (ev_is_active (w))) |
3915 | return; |
4406 | return; |
3916 | |
4407 | |
3917 | pri_adjust (EV_A_ (W)w); |
4408 | pri_adjust (EV_A_ (W)w); |
… | |
… | |
3930 | |
4421 | |
3931 | EV_FREQUENT_CHECK; |
4422 | EV_FREQUENT_CHECK; |
3932 | } |
4423 | } |
3933 | |
4424 | |
3934 | void |
4425 | void |
3935 | ev_idle_stop (EV_P_ ev_idle *w) |
4426 | ev_idle_stop (EV_P_ ev_idle *w) EV_THROW |
3936 | { |
4427 | { |
3937 | clear_pending (EV_A_ (W)w); |
4428 | clear_pending (EV_A_ (W)w); |
3938 | if (expect_false (!ev_is_active (w))) |
4429 | if (expect_false (!ev_is_active (w))) |
3939 | return; |
4430 | return; |
3940 | |
4431 | |
… | |
… | |
3954 | } |
4445 | } |
3955 | #endif |
4446 | #endif |
3956 | |
4447 | |
3957 | #if EV_PREPARE_ENABLE |
4448 | #if EV_PREPARE_ENABLE |
3958 | void |
4449 | void |
3959 | ev_prepare_start (EV_P_ ev_prepare *w) |
4450 | ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW |
3960 | { |
4451 | { |
3961 | if (expect_false (ev_is_active (w))) |
4452 | if (expect_false (ev_is_active (w))) |
3962 | return; |
4453 | return; |
3963 | |
4454 | |
3964 | EV_FREQUENT_CHECK; |
4455 | EV_FREQUENT_CHECK; |
… | |
… | |
3969 | |
4460 | |
3970 | EV_FREQUENT_CHECK; |
4461 | EV_FREQUENT_CHECK; |
3971 | } |
4462 | } |
3972 | |
4463 | |
3973 | void |
4464 | void |
3974 | ev_prepare_stop (EV_P_ ev_prepare *w) |
4465 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW |
3975 | { |
4466 | { |
3976 | clear_pending (EV_A_ (W)w); |
4467 | clear_pending (EV_A_ (W)w); |
3977 | if (expect_false (!ev_is_active (w))) |
4468 | if (expect_false (!ev_is_active (w))) |
3978 | return; |
4469 | return; |
3979 | |
4470 | |
… | |
… | |
3992 | } |
4483 | } |
3993 | #endif |
4484 | #endif |
3994 | |
4485 | |
3995 | #if EV_CHECK_ENABLE |
4486 | #if EV_CHECK_ENABLE |
3996 | void |
4487 | void |
3997 | ev_check_start (EV_P_ ev_check *w) |
4488 | ev_check_start (EV_P_ ev_check *w) EV_THROW |
3998 | { |
4489 | { |
3999 | if (expect_false (ev_is_active (w))) |
4490 | if (expect_false (ev_is_active (w))) |
4000 | return; |
4491 | return; |
4001 | |
4492 | |
4002 | EV_FREQUENT_CHECK; |
4493 | EV_FREQUENT_CHECK; |
… | |
… | |
4007 | |
4498 | |
4008 | EV_FREQUENT_CHECK; |
4499 | EV_FREQUENT_CHECK; |
4009 | } |
4500 | } |
4010 | |
4501 | |
4011 | void |
4502 | void |
4012 | ev_check_stop (EV_P_ ev_check *w) |
4503 | ev_check_stop (EV_P_ ev_check *w) EV_THROW |
4013 | { |
4504 | { |
4014 | clear_pending (EV_A_ (W)w); |
4505 | clear_pending (EV_A_ (W)w); |
4015 | if (expect_false (!ev_is_active (w))) |
4506 | if (expect_false (!ev_is_active (w))) |
4016 | return; |
4507 | return; |
4017 | |
4508 | |
… | |
… | |
4030 | } |
4521 | } |
4031 | #endif |
4522 | #endif |
4032 | |
4523 | |
4033 | #if EV_EMBED_ENABLE |
4524 | #if EV_EMBED_ENABLE |
4034 | void noinline |
4525 | void noinline |
4035 | ev_embed_sweep (EV_P_ ev_embed *w) |
4526 | ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW |
4036 | { |
4527 | { |
4037 | ev_run (w->other, EVRUN_NOWAIT); |
4528 | ev_run (w->other, EVRUN_NOWAIT); |
4038 | } |
4529 | } |
4039 | |
4530 | |
4040 | static void |
4531 | static void |
… | |
… | |
4088 | ev_idle_stop (EV_A_ idle); |
4579 | ev_idle_stop (EV_A_ idle); |
4089 | } |
4580 | } |
4090 | #endif |
4581 | #endif |
4091 | |
4582 | |
4092 | void |
4583 | void |
4093 | ev_embed_start (EV_P_ ev_embed *w) |
4584 | ev_embed_start (EV_P_ ev_embed *w) EV_THROW |
4094 | { |
4585 | { |
4095 | if (expect_false (ev_is_active (w))) |
4586 | if (expect_false (ev_is_active (w))) |
4096 | return; |
4587 | return; |
4097 | |
4588 | |
4098 | { |
4589 | { |
… | |
… | |
4119 | |
4610 | |
4120 | EV_FREQUENT_CHECK; |
4611 | EV_FREQUENT_CHECK; |
4121 | } |
4612 | } |
4122 | |
4613 | |
4123 | void |
4614 | void |
4124 | ev_embed_stop (EV_P_ ev_embed *w) |
4615 | ev_embed_stop (EV_P_ ev_embed *w) EV_THROW |
4125 | { |
4616 | { |
4126 | clear_pending (EV_A_ (W)w); |
4617 | clear_pending (EV_A_ (W)w); |
4127 | if (expect_false (!ev_is_active (w))) |
4618 | if (expect_false (!ev_is_active (w))) |
4128 | return; |
4619 | return; |
4129 | |
4620 | |
… | |
… | |
4139 | } |
4630 | } |
4140 | #endif |
4631 | #endif |
4141 | |
4632 | |
4142 | #if EV_FORK_ENABLE |
4633 | #if EV_FORK_ENABLE |
4143 | void |
4634 | void |
4144 | ev_fork_start (EV_P_ ev_fork *w) |
4635 | ev_fork_start (EV_P_ ev_fork *w) EV_THROW |
4145 | { |
4636 | { |
4146 | if (expect_false (ev_is_active (w))) |
4637 | if (expect_false (ev_is_active (w))) |
4147 | return; |
4638 | return; |
4148 | |
4639 | |
4149 | EV_FREQUENT_CHECK; |
4640 | EV_FREQUENT_CHECK; |
… | |
… | |
4154 | |
4645 | |
4155 | EV_FREQUENT_CHECK; |
4646 | EV_FREQUENT_CHECK; |
4156 | } |
4647 | } |
4157 | |
4648 | |
4158 | void |
4649 | void |
4159 | ev_fork_stop (EV_P_ ev_fork *w) |
4650 | ev_fork_stop (EV_P_ ev_fork *w) EV_THROW |
4160 | { |
4651 | { |
4161 | clear_pending (EV_A_ (W)w); |
4652 | clear_pending (EV_A_ (W)w); |
4162 | if (expect_false (!ev_is_active (w))) |
4653 | if (expect_false (!ev_is_active (w))) |
4163 | return; |
4654 | return; |
4164 | |
4655 | |
… | |
… | |
4177 | } |
4668 | } |
4178 | #endif |
4669 | #endif |
4179 | |
4670 | |
4180 | #if EV_CLEANUP_ENABLE |
4671 | #if EV_CLEANUP_ENABLE |
4181 | void |
4672 | void |
4182 | ev_cleanup_start (EV_P_ ev_cleanup *w) |
4673 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW |
4183 | { |
4674 | { |
4184 | if (expect_false (ev_is_active (w))) |
4675 | if (expect_false (ev_is_active (w))) |
4185 | return; |
4676 | return; |
4186 | |
4677 | |
4187 | EV_FREQUENT_CHECK; |
4678 | EV_FREQUENT_CHECK; |
… | |
… | |
4194 | ev_unref (EV_A); |
4685 | ev_unref (EV_A); |
4195 | EV_FREQUENT_CHECK; |
4686 | EV_FREQUENT_CHECK; |
4196 | } |
4687 | } |
4197 | |
4688 | |
4198 | void |
4689 | void |
4199 | ev_cleanup_stop (EV_P_ ev_cleanup *w) |
4690 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW |
4200 | { |
4691 | { |
4201 | clear_pending (EV_A_ (W)w); |
4692 | clear_pending (EV_A_ (W)w); |
4202 | if (expect_false (!ev_is_active (w))) |
4693 | if (expect_false (!ev_is_active (w))) |
4203 | return; |
4694 | return; |
4204 | |
4695 | |
… | |
… | |
4218 | } |
4709 | } |
4219 | #endif |
4710 | #endif |
4220 | |
4711 | |
4221 | #if EV_ASYNC_ENABLE |
4712 | #if EV_ASYNC_ENABLE |
4222 | void |
4713 | void |
4223 | ev_async_start (EV_P_ ev_async *w) |
4714 | ev_async_start (EV_P_ ev_async *w) EV_THROW |
4224 | { |
4715 | { |
4225 | if (expect_false (ev_is_active (w))) |
4716 | if (expect_false (ev_is_active (w))) |
4226 | return; |
4717 | return; |
4227 | |
4718 | |
4228 | w->sent = 0; |
4719 | w->sent = 0; |
… | |
… | |
4237 | |
4728 | |
4238 | EV_FREQUENT_CHECK; |
4729 | EV_FREQUENT_CHECK; |
4239 | } |
4730 | } |
4240 | |
4731 | |
4241 | void |
4732 | void |
4242 | ev_async_stop (EV_P_ ev_async *w) |
4733 | ev_async_stop (EV_P_ ev_async *w) EV_THROW |
4243 | { |
4734 | { |
4244 | clear_pending (EV_A_ (W)w); |
4735 | clear_pending (EV_A_ (W)w); |
4245 | if (expect_false (!ev_is_active (w))) |
4736 | if (expect_false (!ev_is_active (w))) |
4246 | return; |
4737 | return; |
4247 | |
4738 | |
… | |
… | |
4258 | |
4749 | |
4259 | EV_FREQUENT_CHECK; |
4750 | EV_FREQUENT_CHECK; |
4260 | } |
4751 | } |
4261 | |
4752 | |
4262 | void |
4753 | void |
4263 | ev_async_send (EV_P_ ev_async *w) |
4754 | ev_async_send (EV_P_ ev_async *w) EV_THROW |
4264 | { |
4755 | { |
4265 | w->sent = 1; |
4756 | w->sent = 1; |
4266 | evpipe_write (EV_A_ &async_pending); |
4757 | evpipe_write (EV_A_ &async_pending); |
4267 | } |
4758 | } |
4268 | #endif |
4759 | #endif |
… | |
… | |
4305 | |
4796 | |
4306 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
4797 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
4307 | } |
4798 | } |
4308 | |
4799 | |
4309 | void |
4800 | void |
4310 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
4801 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW |
4311 | { |
4802 | { |
4312 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
4803 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
4313 | |
4804 | |
4314 | if (expect_false (!once)) |
4805 | if (expect_false (!once)) |
4315 | { |
4806 | { |
… | |
… | |
4337 | |
4828 | |
4338 | /*****************************************************************************/ |
4829 | /*****************************************************************************/ |
4339 | |
4830 | |
4340 | #if EV_WALK_ENABLE |
4831 | #if EV_WALK_ENABLE |
4341 | void ecb_cold |
4832 | void ecb_cold |
4342 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) |
4833 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW |
4343 | { |
4834 | { |
4344 | int i, j; |
4835 | int i, j; |
4345 | ev_watcher_list *wl, *wn; |
4836 | ev_watcher_list *wl, *wn; |
4346 | |
4837 | |
4347 | if (types & (EV_IO | EV_EMBED)) |
4838 | if (types & (EV_IO | EV_EMBED)) |