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 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 | * |
… | |
… | |
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 |
|
|
189 | # undef EV_NO_SMP |
|
|
190 | # define EV_NO_SMP 1 |
|
|
191 | # undef ECB_NO_THREADS |
|
|
192 | # define ECB_NO_THREADS 1 |
|
|
193 | #endif |
|
|
194 | #if EV_NO_SMP |
|
|
195 | # undef EV_NO_SMP |
|
|
196 | # define ECB_NO_SMP 1 |
|
|
197 | #endif |
|
|
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 |
|
|
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 | # error "unable to find value for NSIG, please report" |
235 | /* to make it compile regardless, just remove the above line, */ |
247 | /* to make it compile regardless, just remove the above line, */ |
236 | /* but consider reporting it, too! :) */ |
248 | /* but consider reporting it, too! :) */ |
… | |
… | |
248 | # define EV_USE_CLOCK_SYSCALL 0 |
260 | # define EV_USE_CLOCK_SYSCALL 0 |
249 | # endif |
261 | # endif |
250 | #endif |
262 | #endif |
251 | |
263 | |
252 | #ifndef EV_USE_MONOTONIC |
264 | #ifndef EV_USE_MONOTONIC |
253 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
265 | # if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0 |
254 | # define EV_USE_MONOTONIC EV_FEATURE_OS |
266 | # define EV_USE_MONOTONIC EV_FEATURE_OS |
255 | # else |
267 | # else |
256 | # define EV_USE_MONOTONIC 0 |
268 | # define EV_USE_MONOTONIC 0 |
257 | # endif |
269 | # endif |
258 | #endif |
270 | #endif |
… | |
… | |
345 | |
357 | |
346 | #ifndef EV_HEAP_CACHE_AT |
358 | #ifndef EV_HEAP_CACHE_AT |
347 | # define EV_HEAP_CACHE_AT EV_FEATURE_DATA |
359 | # define EV_HEAP_CACHE_AT EV_FEATURE_DATA |
348 | #endif |
360 | #endif |
349 | |
361 | |
|
|
362 | #ifdef ANDROID |
|
|
363 | /* supposedly, android doesn't typedef fd_mask */ |
|
|
364 | # undef EV_USE_SELECT |
|
|
365 | # define EV_USE_SELECT 0 |
|
|
366 | /* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */ |
|
|
367 | # undef EV_USE_CLOCK_SYSCALL |
|
|
368 | # define EV_USE_CLOCK_SYSCALL 0 |
|
|
369 | #endif |
|
|
370 | |
|
|
371 | /* aix's poll.h seems to cause lots of trouble */ |
|
|
372 | #ifdef _AIX |
|
|
373 | /* AIX has a completely broken poll.h header */ |
|
|
374 | # undef EV_USE_POLL |
|
|
375 | # define EV_USE_POLL 0 |
|
|
376 | #endif |
|
|
377 | |
350 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
378 | /* 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. */ |
379 | /* which makes programs even slower. might work on other unices, too. */ |
352 | #if EV_USE_CLOCK_SYSCALL |
380 | #if EV_USE_CLOCK_SYSCALL |
353 | # include <syscall.h> |
381 | # include <sys/syscall.h> |
354 | # ifdef SYS_clock_gettime |
382 | # ifdef SYS_clock_gettime |
355 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
383 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
356 | # undef EV_USE_MONOTONIC |
384 | # undef EV_USE_MONOTONIC |
357 | # define EV_USE_MONOTONIC 1 |
385 | # define EV_USE_MONOTONIC 1 |
358 | # else |
386 | # else |
… | |
… | |
361 | # endif |
389 | # endif |
362 | #endif |
390 | #endif |
363 | |
391 | |
364 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
392 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
365 | |
393 | |
366 | #ifdef _AIX |
|
|
367 | /* AIX has a completely broken poll.h header */ |
|
|
368 | # undef EV_USE_POLL |
|
|
369 | # define EV_USE_POLL 0 |
|
|
370 | #endif |
|
|
371 | |
|
|
372 | #ifndef CLOCK_MONOTONIC |
394 | #ifndef CLOCK_MONOTONIC |
373 | # undef EV_USE_MONOTONIC |
395 | # undef EV_USE_MONOTONIC |
374 | # define EV_USE_MONOTONIC 0 |
396 | # define EV_USE_MONOTONIC 0 |
375 | #endif |
397 | #endif |
376 | |
398 | |
… | |
… | |
384 | # define EV_USE_INOTIFY 0 |
406 | # define EV_USE_INOTIFY 0 |
385 | #endif |
407 | #endif |
386 | |
408 | |
387 | #if !EV_USE_NANOSLEEP |
409 | #if !EV_USE_NANOSLEEP |
388 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
410 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
389 | # if !defined(_WIN32) && !defined(__hpux) |
411 | # if !defined _WIN32 && !defined __hpux |
390 | # include <sys/select.h> |
412 | # include <sys/select.h> |
391 | # endif |
413 | # endif |
392 | #endif |
414 | #endif |
393 | |
415 | |
394 | #if EV_USE_INOTIFY |
416 | #if EV_USE_INOTIFY |
… | |
… | |
397 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
419 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
398 | # ifndef IN_DONT_FOLLOW |
420 | # ifndef IN_DONT_FOLLOW |
399 | # undef EV_USE_INOTIFY |
421 | # undef EV_USE_INOTIFY |
400 | # define EV_USE_INOTIFY 0 |
422 | # define EV_USE_INOTIFY 0 |
401 | # endif |
423 | # endif |
402 | #endif |
|
|
403 | |
|
|
404 | #if EV_SELECT_IS_WINSOCKET |
|
|
405 | # include <winsock.h> |
|
|
406 | #endif |
424 | #endif |
407 | |
425 | |
408 | #if EV_USE_EVENTFD |
426 | #if EV_USE_EVENTFD |
409 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
427 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
410 | # include <stdint.h> |
428 | # include <stdint.h> |
… | |
… | |
467 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
485 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
468 | /* ECB.H BEGIN */ |
486 | /* ECB.H BEGIN */ |
469 | /* |
487 | /* |
470 | * libecb - http://software.schmorp.de/pkg/libecb |
488 | * libecb - http://software.schmorp.de/pkg/libecb |
471 | * |
489 | * |
472 | * Copyright (©) 2009-2011 Marc Alexander Lehmann <libecb@schmorp.de> |
490 | * Copyright (©) 2009-2012 Marc Alexander Lehmann <libecb@schmorp.de> |
473 | * Copyright (©) 2011 Emanuele Giaquinta |
491 | * Copyright (©) 2011 Emanuele Giaquinta |
474 | * All rights reserved. |
492 | * All rights reserved. |
475 | * |
493 | * |
476 | * Redistribution and use in source and binary forms, with or without modifica- |
494 | * Redistribution and use in source and binary forms, with or without modifica- |
477 | * tion, are permitted provided that the following conditions are met: |
495 | * tion, are permitted provided that the following conditions are met: |
… | |
… | |
496 | */ |
514 | */ |
497 | |
515 | |
498 | #ifndef ECB_H |
516 | #ifndef ECB_H |
499 | #define ECB_H |
517 | #define ECB_H |
500 | |
518 | |
|
|
519 | /* 16 bits major, 16 bits minor */ |
|
|
520 | #define ECB_VERSION 0x00010003 |
|
|
521 | |
501 | #ifdef _WIN32 |
522 | #ifdef _WIN32 |
502 | typedef signed char int8_t; |
523 | typedef signed char int8_t; |
503 | typedef unsigned char uint8_t; |
524 | typedef unsigned char uint8_t; |
504 | typedef signed short int16_t; |
525 | typedef signed short int16_t; |
505 | typedef unsigned short uint16_t; |
526 | typedef unsigned short uint16_t; |
… | |
… | |
510 | typedef unsigned long long uint64_t; |
531 | typedef unsigned long long uint64_t; |
511 | #else /* _MSC_VER || __BORLANDC__ */ |
532 | #else /* _MSC_VER || __BORLANDC__ */ |
512 | typedef signed __int64 int64_t; |
533 | typedef signed __int64 int64_t; |
513 | typedef unsigned __int64 uint64_t; |
534 | typedef unsigned __int64 uint64_t; |
514 | #endif |
535 | #endif |
|
|
536 | #ifdef _WIN64 |
|
|
537 | #define ECB_PTRSIZE 8 |
|
|
538 | typedef uint64_t uintptr_t; |
|
|
539 | typedef int64_t intptr_t; |
|
|
540 | #else |
|
|
541 | #define ECB_PTRSIZE 4 |
|
|
542 | typedef uint32_t uintptr_t; |
|
|
543 | typedef int32_t intptr_t; |
|
|
544 | #endif |
515 | #else |
545 | #else |
516 | #include <inttypes.h> |
546 | #include <inttypes.h> |
|
|
547 | #if UINTMAX_MAX > 0xffffffffU |
|
|
548 | #define ECB_PTRSIZE 8 |
|
|
549 | #else |
|
|
550 | #define ECB_PTRSIZE 4 |
|
|
551 | #endif |
|
|
552 | #endif |
|
|
553 | |
|
|
554 | /* work around x32 idiocy by defining proper macros */ |
|
|
555 | #if __x86_64 || _M_AMD64 |
|
|
556 | #if _ILP32 |
|
|
557 | #define ECB_AMD64_X32 1 |
|
|
558 | #else |
|
|
559 | #define ECB_AMD64 1 |
|
|
560 | #endif |
517 | #endif |
561 | #endif |
518 | |
562 | |
519 | /* many compilers define _GNUC_ to some versions but then only implement |
563 | /* many compilers define _GNUC_ to some versions but then only implement |
520 | * what their idiot authors think are the "more important" extensions, |
564 | * what their idiot authors think are the "more important" extensions, |
521 | * causing enormous grief in return for some better fake benchmark numbers. |
565 | * causing enormous grief in return for some better fake benchmark numbers. |
522 | * or so. |
566 | * or so. |
523 | * we try to detect these and simply assume they are not gcc - if they have |
567 | * 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. |
568 | * an issue with that they should have done it right in the first place. |
525 | */ |
569 | */ |
526 | #ifndef ECB_GCC_VERSION |
570 | #ifndef ECB_GCC_VERSION |
527 | #if !defined(__GNUC_MINOR__) || defined(__INTEL_COMPILER) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) || defined(__llvm__) || defined(__clang__) |
571 | #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 |
572 | #define ECB_GCC_VERSION(major,minor) 0 |
529 | #else |
573 | #else |
530 | #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) |
574 | #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) |
531 | #endif |
575 | #endif |
532 | #endif |
576 | #endif |
533 | |
577 | |
|
|
578 | #define ECB_C (__STDC__+0) /* this assumes that __STDC__ is either empty or a number */ |
|
|
579 | #define ECB_C99 (__STDC_VERSION__ >= 199901L) |
|
|
580 | #define ECB_C11 (__STDC_VERSION__ >= 201112L) |
|
|
581 | #define ECB_CPP (__cplusplus+0) |
|
|
582 | #define ECB_CPP11 (__cplusplus >= 201103L) |
|
|
583 | |
|
|
584 | #if ECB_CPP |
|
|
585 | #define ECB_EXTERN_C extern "C" |
|
|
586 | #define ECB_EXTERN_C_BEG ECB_EXTERN_C { |
|
|
587 | #define ECB_EXTERN_C_END } |
|
|
588 | #else |
|
|
589 | #define ECB_EXTERN_C extern |
|
|
590 | #define ECB_EXTERN_C_BEG |
|
|
591 | #define ECB_EXTERN_C_END |
|
|
592 | #endif |
|
|
593 | |
534 | /*****************************************************************************/ |
594 | /*****************************************************************************/ |
535 | |
595 | |
536 | /* ECB_NO_THREADS - ecb is not used by multiple threads, ever */ |
596 | /* 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 */ |
597 | /* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */ |
538 | |
598 | |
539 | #if ECB_NO_THREADS || ECB_NO_SMP |
599 | #if ECB_NO_THREADS |
|
|
600 | #define ECB_NO_SMP 1 |
|
|
601 | #endif |
|
|
602 | |
|
|
603 | #if ECB_NO_SMP |
540 | #define ECB_MEMORY_FENCE do { } while (0) |
604 | #define ECB_MEMORY_FENCE do { } while (0) |
541 | #endif |
605 | #endif |
542 | |
606 | |
543 | #ifndef ECB_MEMORY_FENCE |
607 | #ifndef ECB_MEMORY_FENCE |
544 | #if ECB_GCC_VERSION(2,5) || defined(__INTEL_COMPILER) || defined(__clang__) |
608 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
545 | #if __i386__ |
609 | #if __i386 || __i386__ |
546 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
610 | #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 */ |
611 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
548 | #define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */ |
612 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
549 | #elif __amd64 |
613 | #elif __amd64 || __amd64__ || __x86_64 || __x86_64__ |
550 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
614 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
551 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory") |
615 | #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 */ |
616 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
553 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
617 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
554 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
618 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
555 | #elif defined(__ARM_ARCH_6__ ) || defined(__ARM_ARCH_6J__ ) \ |
619 | #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \ |
556 | || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6ZK__) |
620 | || 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") |
621 | #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__ ) \ |
622 | #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \ |
559 | || defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7R__ ) |
623 | || defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__ |
560 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") |
624 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") |
|
|
625 | #elif __sparc || __sparc__ |
|
|
626 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory") |
|
|
627 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") |
|
|
628 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") |
|
|
629 | #elif defined __s390__ || defined __s390x__ |
|
|
630 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") |
|
|
631 | #elif defined __mips__ |
|
|
632 | /* GNU/Linux emulates sync on mips1 architectures, so we force its use */ |
|
|
633 | /* anybody else who still uses mips1 is supposed to send in their version, with detection code. */ |
|
|
634 | #define ECB_MEMORY_FENCE __asm__ __volatile__ (".set mips2; sync; .set mips0" : : : "memory") |
|
|
635 | #elif defined __alpha__ |
|
|
636 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory") |
|
|
637 | #elif defined __hppa__ |
|
|
638 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory") |
|
|
639 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
|
|
640 | #elif defined __ia64__ |
|
|
641 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory") |
|
|
642 | #elif defined __m68k__ |
|
|
643 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory") |
|
|
644 | #elif defined __m88k__ |
|
|
645 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("tb1 0,%%r0,128" : : : "memory") |
|
|
646 | #elif defined __sh__ |
|
|
647 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory") |
561 | #endif |
648 | #endif |
562 | #endif |
649 | #endif |
563 | #endif |
650 | #endif |
564 | |
651 | |
565 | #ifndef ECB_MEMORY_FENCE |
652 | #ifndef ECB_MEMORY_FENCE |
|
|
653 | #if ECB_GCC_VERSION(4,7) |
|
|
654 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
|
|
655 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
|
|
656 | |
|
|
657 | /* The __has_feature syntax from clang is so misdesigned that we cannot use it |
|
|
658 | * without risking compile time errors with other compilers. We *could* |
|
|
659 | * define our own ecb_clang_has_feature, but I just can't be bothered to work |
|
|
660 | * around this shit time and again. |
|
|
661 | * #elif defined __clang && __has_feature (cxx_atomic) |
|
|
662 | * // see comment below (stdatomic.h) about the C11 memory model. |
|
|
663 | * #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
|
|
664 | */ |
|
|
665 | |
566 | #if ECB_GCC_VERSION(4,4) || defined(__INTEL_COMPILER) || defined(__clang__) |
666 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
567 | #define ECB_MEMORY_FENCE __sync_synchronize () |
667 | #define ECB_MEMORY_FENCE __sync_synchronize () |
568 | /*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */ |
|
|
569 | /*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */ |
|
|
570 | #elif _MSC_VER >= 1400 /* VC++ 2005 */ |
668 | #elif _MSC_VER >= 1400 /* VC++ 2005 */ |
571 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
669 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
572 | #define ECB_MEMORY_FENCE _ReadWriteBarrier () |
670 | #define ECB_MEMORY_FENCE _ReadWriteBarrier () |
573 | #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */ |
671 | #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */ |
574 | #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () |
672 | #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () |
575 | #elif defined(_WIN32) |
673 | #elif defined _WIN32 |
576 | #include <WinNT.h> |
674 | #include <WinNT.h> |
577 | #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ |
675 | #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ |
|
|
676 | #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
|
|
677 | #include <mbarrier.h> |
|
|
678 | #define ECB_MEMORY_FENCE __machine_rw_barrier () |
|
|
679 | #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier () |
|
|
680 | #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier () |
|
|
681 | #elif __xlC__ |
|
|
682 | #define ECB_MEMORY_FENCE __sync () |
|
|
683 | #endif |
|
|
684 | #endif |
|
|
685 | |
|
|
686 | #ifndef ECB_MEMORY_FENCE |
|
|
687 | #if ECB_C11 && !defined __STDC_NO_ATOMICS__ |
|
|
688 | /* we assume that these memory fences work on all variables/all memory accesses, */ |
|
|
689 | /* not just C11 atomics and atomic accesses */ |
|
|
690 | #include <stdatomic.h> |
|
|
691 | /* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */ |
|
|
692 | /* any fence other than seq_cst, which isn't very efficient for us. */ |
|
|
693 | /* Why that is, we don't know - either the C11 memory model is quite useless */ |
|
|
694 | /* for most usages, or gcc and clang have a bug */ |
|
|
695 | /* I *currently* lean towards the latter, and inefficiently implement */ |
|
|
696 | /* all three of ecb's fences as a seq_cst fence */ |
|
|
697 | #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst) |
578 | #endif |
698 | #endif |
579 | #endif |
699 | #endif |
580 | |
700 | |
581 | #ifndef ECB_MEMORY_FENCE |
701 | #ifndef ECB_MEMORY_FENCE |
582 | #if !ECB_AVOID_PTHREADS |
702 | #if !ECB_AVOID_PTHREADS |
… | |
… | |
594 | static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER; |
714 | static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER; |
595 | #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0) |
715 | #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0) |
596 | #endif |
716 | #endif |
597 | #endif |
717 | #endif |
598 | |
718 | |
599 | #if !defined(ECB_MEMORY_FENCE_ACQUIRE) && defined(ECB_MEMORY_FENCE) |
719 | #if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE |
600 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
720 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
601 | #endif |
721 | #endif |
602 | |
722 | |
603 | #if !defined(ECB_MEMORY_FENCE_RELEASE) && defined(ECB_MEMORY_FENCE) |
723 | #if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE |
604 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
724 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
605 | #endif |
725 | #endif |
606 | |
726 | |
607 | /*****************************************************************************/ |
727 | /*****************************************************************************/ |
608 | |
|
|
609 | #define ECB_C99 (__STDC_VERSION__ >= 199901L) |
|
|
610 | |
728 | |
611 | #if __cplusplus |
729 | #if __cplusplus |
612 | #define ecb_inline static inline |
730 | #define ecb_inline static inline |
613 | #elif ECB_GCC_VERSION(2,5) |
731 | #elif ECB_GCC_VERSION(2,5) |
614 | #define ecb_inline static __inline__ |
732 | #define ecb_inline static __inline__ |
… | |
… | |
653 | #elif ECB_GCC_VERSION(3,0) |
771 | #elif ECB_GCC_VERSION(3,0) |
654 | #define ecb_decltype(x) __typeof(x) |
772 | #define ecb_decltype(x) __typeof(x) |
655 | #endif |
773 | #endif |
656 | |
774 | |
657 | #define ecb_noinline ecb_attribute ((__noinline__)) |
775 | #define ecb_noinline ecb_attribute ((__noinline__)) |
658 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
|
|
659 | #define ecb_unused ecb_attribute ((__unused__)) |
776 | #define ecb_unused ecb_attribute ((__unused__)) |
660 | #define ecb_const ecb_attribute ((__const__)) |
777 | #define ecb_const ecb_attribute ((__const__)) |
661 | #define ecb_pure ecb_attribute ((__pure__)) |
778 | #define ecb_pure ecb_attribute ((__pure__)) |
|
|
779 | |
|
|
780 | #if ECB_C11 |
|
|
781 | #define ecb_noreturn _Noreturn |
|
|
782 | #else |
|
|
783 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
|
|
784 | #endif |
662 | |
785 | |
663 | #if ECB_GCC_VERSION(4,3) |
786 | #if ECB_GCC_VERSION(4,3) |
664 | #define ecb_artificial ecb_attribute ((__artificial__)) |
787 | #define ecb_artificial ecb_attribute ((__artificial__)) |
665 | #define ecb_hot ecb_attribute ((__hot__)) |
788 | #define ecb_hot ecb_attribute ((__hot__)) |
666 | #define ecb_cold ecb_attribute ((__cold__)) |
789 | #define ecb_cold ecb_attribute ((__cold__)) |
… | |
… | |
757 | |
880 | |
758 | return r + ecb_ld32 (x); |
881 | return r + ecb_ld32 (x); |
759 | } |
882 | } |
760 | #endif |
883 | #endif |
761 | |
884 | |
|
|
885 | ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const; |
|
|
886 | ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); } |
|
|
887 | ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const; |
|
|
888 | ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); } |
|
|
889 | |
|
|
890 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const; |
|
|
891 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) |
|
|
892 | { |
|
|
893 | return ( (x * 0x0802U & 0x22110U) |
|
|
894 | | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16; |
|
|
895 | } |
|
|
896 | |
|
|
897 | ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const; |
|
|
898 | ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) |
|
|
899 | { |
|
|
900 | x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1); |
|
|
901 | x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2); |
|
|
902 | x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4); |
|
|
903 | x = ( x >> 8 ) | ( x << 8); |
|
|
904 | |
|
|
905 | return x; |
|
|
906 | } |
|
|
907 | |
|
|
908 | ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const; |
|
|
909 | ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) |
|
|
910 | { |
|
|
911 | x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1); |
|
|
912 | x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2); |
|
|
913 | x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4); |
|
|
914 | x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8); |
|
|
915 | x = ( x >> 16 ) | ( x << 16); |
|
|
916 | |
|
|
917 | return x; |
|
|
918 | } |
|
|
919 | |
762 | /* popcount64 is only available on 64 bit cpus as gcc builtin */ |
920 | /* popcount64 is only available on 64 bit cpus as gcc builtin */ |
763 | /* so for this version we are lazy */ |
921 | /* so for this version we are lazy */ |
764 | ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const; |
922 | ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const; |
765 | ecb_function_ int |
923 | ecb_function_ int |
766 | ecb_popcount64 (uint64_t x) |
924 | ecb_popcount64 (uint64_t x) |
… | |
… | |
815 | |
973 | |
816 | #if ECB_GCC_VERSION(4,5) |
974 | #if ECB_GCC_VERSION(4,5) |
817 | #define ecb_unreachable() __builtin_unreachable () |
975 | #define ecb_unreachable() __builtin_unreachable () |
818 | #else |
976 | #else |
819 | /* this seems to work fine, but gcc always emits a warning for it :/ */ |
977 | /* this seems to work fine, but gcc always emits a warning for it :/ */ |
820 | ecb_function_ void ecb_unreachable (void) ecb_noreturn; |
978 | ecb_inline void ecb_unreachable (void) ecb_noreturn; |
821 | ecb_function_ void ecb_unreachable (void) { } |
979 | ecb_inline void ecb_unreachable (void) { } |
822 | #endif |
980 | #endif |
823 | |
981 | |
824 | /* try to tell the compiler that some condition is definitely true */ |
982 | /* try to tell the compiler that some condition is definitely true */ |
825 | #define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0) |
983 | #define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0 |
826 | |
984 | |
827 | ecb_function_ unsigned char ecb_byteorder_helper (void) ecb_const; |
985 | ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const; |
828 | ecb_function_ unsigned char |
986 | ecb_inline unsigned char |
829 | ecb_byteorder_helper (void) |
987 | ecb_byteorder_helper (void) |
830 | { |
988 | { |
831 | const uint32_t u = 0x11223344; |
989 | /* the union code still generates code under pressure in gcc, */ |
832 | return *(unsigned char *)&u; |
990 | /* but less than using pointers, and always seems to */ |
|
|
991 | /* successfully return a constant. */ |
|
|
992 | /* the reason why we have this horrible preprocessor mess */ |
|
|
993 | /* is to avoid it in all cases, at least on common architectures */ |
|
|
994 | /* or when using a recent enough gcc version (>= 4.6) */ |
|
|
995 | #if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64 |
|
|
996 | return 0x44; |
|
|
997 | #elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ |
|
|
998 | return 0x44; |
|
|
999 | #elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ |
|
|
1000 | return 0x11; |
|
|
1001 | #else |
|
|
1002 | union |
|
|
1003 | { |
|
|
1004 | uint32_t i; |
|
|
1005 | uint8_t c; |
|
|
1006 | } u = { 0x11223344 }; |
|
|
1007 | return u.c; |
|
|
1008 | #endif |
833 | } |
1009 | } |
834 | |
1010 | |
835 | ecb_function_ ecb_bool ecb_big_endian (void) ecb_const; |
1011 | ecb_inline ecb_bool ecb_big_endian (void) ecb_const; |
836 | ecb_function_ ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; } |
1012 | ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; } |
837 | ecb_function_ ecb_bool ecb_little_endian (void) ecb_const; |
1013 | ecb_inline ecb_bool ecb_little_endian (void) ecb_const; |
838 | ecb_function_ ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; } |
1014 | ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; } |
839 | |
1015 | |
840 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
1016 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
841 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
1017 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
842 | #else |
1018 | #else |
843 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
1019 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
… | |
… | |
868 | } |
1044 | } |
869 | #else |
1045 | #else |
870 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
1046 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
871 | #endif |
1047 | #endif |
872 | |
1048 | |
|
|
1049 | /*******************************************************************************/ |
|
|
1050 | /* floating point stuff, can be disabled by defining ECB_NO_LIBM */ |
|
|
1051 | |
|
|
1052 | /* basically, everything uses "ieee pure-endian" floating point numbers */ |
|
|
1053 | /* the only noteworthy exception is ancient armle, which uses order 43218765 */ |
|
|
1054 | #if 0 \ |
|
|
1055 | || __i386 || __i386__ \ |
|
|
1056 | || __amd64 || __amd64__ || __x86_64 || __x86_64__ \ |
|
|
1057 | || __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \ |
|
|
1058 | || defined __arm__ && defined __ARM_EABI__ \ |
|
|
1059 | || defined __s390__ || defined __s390x__ \ |
|
|
1060 | || defined __mips__ \ |
|
|
1061 | || defined __alpha__ \ |
|
|
1062 | || defined __hppa__ \ |
|
|
1063 | || defined __ia64__ \ |
|
|
1064 | || defined __m68k__ \ |
|
|
1065 | || defined __m88k__ \ |
|
|
1066 | || defined __sh__ \ |
|
|
1067 | || defined _M_IX86 || defined _M_AMD64 || defined _M_IA64 |
|
|
1068 | #define ECB_STDFP 1 |
|
|
1069 | #include <string.h> /* for memcpy */ |
|
|
1070 | #else |
|
|
1071 | #define ECB_STDFP 0 |
|
|
1072 | #endif |
|
|
1073 | |
|
|
1074 | #ifndef ECB_NO_LIBM |
|
|
1075 | |
|
|
1076 | #include <math.h> /* for frexp*, ldexp*, INFINITY, NAN */ |
|
|
1077 | |
|
|
1078 | #ifdef NEN |
|
|
1079 | #define ECB_NAN NAN |
|
|
1080 | #else |
|
|
1081 | #define ECB_NAN INFINITY |
|
|
1082 | #endif |
|
|
1083 | |
|
|
1084 | /* converts an ieee half/binary16 to a float */ |
|
|
1085 | ecb_function_ float ecb_binary16_to_float (uint16_t x) ecb_const; |
|
|
1086 | ecb_function_ float |
|
|
1087 | ecb_binary16_to_float (uint16_t x) |
|
|
1088 | { |
|
|
1089 | int e = (x >> 10) & 0x1f; |
|
|
1090 | int m = x & 0x3ff; |
|
|
1091 | float r; |
|
|
1092 | |
|
|
1093 | if (!e ) r = ldexpf (m , -24); |
|
|
1094 | else if (e != 31) r = ldexpf (m + 0x400, e - 25); |
|
|
1095 | else if (m ) r = ECB_NAN; |
|
|
1096 | else r = INFINITY; |
|
|
1097 | |
|
|
1098 | return x & 0x8000 ? -r : r; |
|
|
1099 | } |
|
|
1100 | |
|
|
1101 | /* convert a float to ieee single/binary32 */ |
|
|
1102 | ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const; |
|
|
1103 | ecb_function_ uint32_t |
|
|
1104 | ecb_float_to_binary32 (float x) |
|
|
1105 | { |
|
|
1106 | uint32_t r; |
|
|
1107 | |
|
|
1108 | #if ECB_STDFP |
|
|
1109 | memcpy (&r, &x, 4); |
|
|
1110 | #else |
|
|
1111 | /* slow emulation, works for anything but -0 */ |
|
|
1112 | uint32_t m; |
|
|
1113 | int e; |
|
|
1114 | |
|
|
1115 | if (x == 0e0f ) return 0x00000000U; |
|
|
1116 | if (x > +3.40282346638528860e+38f) return 0x7f800000U; |
|
|
1117 | if (x < -3.40282346638528860e+38f) return 0xff800000U; |
|
|
1118 | if (x != x ) return 0x7fbfffffU; |
|
|
1119 | |
|
|
1120 | m = frexpf (x, &e) * 0x1000000U; |
|
|
1121 | |
|
|
1122 | r = m & 0x80000000U; |
|
|
1123 | |
|
|
1124 | if (r) |
|
|
1125 | m = -m; |
|
|
1126 | |
|
|
1127 | if (e <= -126) |
|
|
1128 | { |
|
|
1129 | m &= 0xffffffU; |
|
|
1130 | m >>= (-125 - e); |
|
|
1131 | e = -126; |
|
|
1132 | } |
|
|
1133 | |
|
|
1134 | r |= (e + 126) << 23; |
|
|
1135 | r |= m & 0x7fffffU; |
|
|
1136 | #endif |
|
|
1137 | |
|
|
1138 | return r; |
|
|
1139 | } |
|
|
1140 | |
|
|
1141 | /* converts an ieee single/binary32 to a float */ |
|
|
1142 | ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const; |
|
|
1143 | ecb_function_ float |
|
|
1144 | ecb_binary32_to_float (uint32_t x) |
|
|
1145 | { |
|
|
1146 | float r; |
|
|
1147 | |
|
|
1148 | #if ECB_STDFP |
|
|
1149 | memcpy (&r, &x, 4); |
|
|
1150 | #else |
|
|
1151 | /* emulation, only works for normals and subnormals and +0 */ |
|
|
1152 | int neg = x >> 31; |
|
|
1153 | int e = (x >> 23) & 0xffU; |
|
|
1154 | |
|
|
1155 | x &= 0x7fffffU; |
|
|
1156 | |
|
|
1157 | if (e) |
|
|
1158 | x |= 0x800000U; |
|
|
1159 | else |
|
|
1160 | e = 1; |
|
|
1161 | |
|
|
1162 | /* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */ |
|
|
1163 | r = ldexpf (x * (0.5f / 0x800000U), e - 126); |
|
|
1164 | |
|
|
1165 | r = neg ? -r : r; |
|
|
1166 | #endif |
|
|
1167 | |
|
|
1168 | return r; |
|
|
1169 | } |
|
|
1170 | |
|
|
1171 | /* convert a double to ieee double/binary64 */ |
|
|
1172 | ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const; |
|
|
1173 | ecb_function_ uint64_t |
|
|
1174 | ecb_double_to_binary64 (double x) |
|
|
1175 | { |
|
|
1176 | uint64_t r; |
|
|
1177 | |
|
|
1178 | #if ECB_STDFP |
|
|
1179 | memcpy (&r, &x, 8); |
|
|
1180 | #else |
|
|
1181 | /* slow emulation, works for anything but -0 */ |
|
|
1182 | uint64_t m; |
|
|
1183 | int e; |
|
|
1184 | |
|
|
1185 | if (x == 0e0 ) return 0x0000000000000000U; |
|
|
1186 | if (x > +1.79769313486231470e+308) return 0x7ff0000000000000U; |
|
|
1187 | if (x < -1.79769313486231470e+308) return 0xfff0000000000000U; |
|
|
1188 | if (x != x ) return 0X7ff7ffffffffffffU; |
|
|
1189 | |
|
|
1190 | m = frexp (x, &e) * 0x20000000000000U; |
|
|
1191 | |
|
|
1192 | r = m & 0x8000000000000000;; |
|
|
1193 | |
|
|
1194 | if (r) |
|
|
1195 | m = -m; |
|
|
1196 | |
|
|
1197 | if (e <= -1022) |
|
|
1198 | { |
|
|
1199 | m &= 0x1fffffffffffffU; |
|
|
1200 | m >>= (-1021 - e); |
|
|
1201 | e = -1022; |
|
|
1202 | } |
|
|
1203 | |
|
|
1204 | r |= ((uint64_t)(e + 1022)) << 52; |
|
|
1205 | r |= m & 0xfffffffffffffU; |
|
|
1206 | #endif |
|
|
1207 | |
|
|
1208 | return r; |
|
|
1209 | } |
|
|
1210 | |
|
|
1211 | /* converts an ieee double/binary64 to a double */ |
|
|
1212 | ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const; |
|
|
1213 | ecb_function_ double |
|
|
1214 | ecb_binary64_to_double (uint64_t x) |
|
|
1215 | { |
|
|
1216 | double r; |
|
|
1217 | |
|
|
1218 | #if ECB_STDFP |
|
|
1219 | memcpy (&r, &x, 8); |
|
|
1220 | #else |
|
|
1221 | /* emulation, only works for normals and subnormals and +0 */ |
|
|
1222 | int neg = x >> 63; |
|
|
1223 | int e = (x >> 52) & 0x7ffU; |
|
|
1224 | |
|
|
1225 | x &= 0xfffffffffffffU; |
|
|
1226 | |
|
|
1227 | if (e) |
|
|
1228 | x |= 0x10000000000000U; |
|
|
1229 | else |
|
|
1230 | e = 1; |
|
|
1231 | |
|
|
1232 | /* we distrust ldexp a bit and do the 2**-53 scaling by an extra multiply */ |
|
|
1233 | r = ldexp (x * (0.5 / 0x10000000000000U), e - 1022); |
|
|
1234 | |
|
|
1235 | r = neg ? -r : r; |
|
|
1236 | #endif |
|
|
1237 | |
|
|
1238 | return r; |
|
|
1239 | } |
|
|
1240 | |
|
|
1241 | #endif |
|
|
1242 | |
873 | #endif |
1243 | #endif |
874 | |
1244 | |
875 | /* ECB.H END */ |
1245 | /* ECB.H END */ |
876 | |
1246 | |
877 | #if ECB_MEMORY_FENCE_NEEDS_PTHREADS |
1247 | #if ECB_MEMORY_FENCE_NEEDS_PTHREADS |
878 | /* if your architecture doesn't need memory fences, e.g. because it is |
1248 | /* if your architecture doesn't need memory fences, e.g. because it is |
879 | * single-cpu/core, or if you use libev in a project that doesn't use libev |
1249 | * single-cpu/core, or if you use libev in a project that doesn't use libev |
880 | * from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling |
1250 | * from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling |
881 | * libev, in which casess the memory fences become nops. |
1251 | * libev, in which cases the memory fences become nops. |
882 | * alternatively, you can remove this #error and link against libpthread, |
1252 | * alternatively, you can remove this #error and link against libpthread, |
883 | * which will then provide the memory fences. |
1253 | * which will then provide the memory fences. |
884 | */ |
1254 | */ |
885 | # error "memory fences not defined for your architecture, please report" |
1255 | # error "memory fences not defined for your architecture, please report" |
886 | #endif |
1256 | #endif |
… | |
… | |
1043 | { |
1413 | { |
1044 | write (STDERR_FILENO, msg, strlen (msg)); |
1414 | write (STDERR_FILENO, msg, strlen (msg)); |
1045 | } |
1415 | } |
1046 | #endif |
1416 | #endif |
1047 | |
1417 | |
1048 | static void (*syserr_cb)(const char *msg); |
1418 | static void (*syserr_cb)(const char *msg) EV_THROW; |
1049 | |
1419 | |
1050 | void ecb_cold |
1420 | void ecb_cold |
1051 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
1421 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW |
1052 | { |
1422 | { |
1053 | syserr_cb = cb; |
1423 | syserr_cb = cb; |
1054 | } |
1424 | } |
1055 | |
1425 | |
1056 | static void noinline ecb_cold |
1426 | static void noinline ecb_cold |
… | |
… | |
1074 | abort (); |
1444 | abort (); |
1075 | } |
1445 | } |
1076 | } |
1446 | } |
1077 | |
1447 | |
1078 | static void * |
1448 | static void * |
1079 | ev_realloc_emul (void *ptr, long size) |
1449 | ev_realloc_emul (void *ptr, long size) EV_THROW |
1080 | { |
1450 | { |
1081 | #if __GLIBC__ |
|
|
1082 | return realloc (ptr, size); |
|
|
1083 | #else |
|
|
1084 | /* some systems, notably openbsd and darwin, fail to properly |
1451 | /* some systems, notably openbsd and darwin, fail to properly |
1085 | * implement realloc (x, 0) (as required by both ansi c-89 and |
1452 | * implement realloc (x, 0) (as required by both ansi c-89 and |
1086 | * the single unix specification, so work around them here. |
1453 | * the single unix specification, so work around them here. |
|
|
1454 | * recently, also (at least) fedora and debian started breaking it, |
|
|
1455 | * despite documenting it otherwise. |
1087 | */ |
1456 | */ |
1088 | |
1457 | |
1089 | if (size) |
1458 | if (size) |
1090 | return realloc (ptr, size); |
1459 | return realloc (ptr, size); |
1091 | |
1460 | |
1092 | free (ptr); |
1461 | free (ptr); |
1093 | return 0; |
1462 | return 0; |
1094 | #endif |
|
|
1095 | } |
1463 | } |
1096 | |
1464 | |
1097 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
1465 | static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul; |
1098 | |
1466 | |
1099 | void ecb_cold |
1467 | void ecb_cold |
1100 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
1468 | ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW |
1101 | { |
1469 | { |
1102 | alloc = cb; |
1470 | alloc = cb; |
1103 | } |
1471 | } |
1104 | |
1472 | |
1105 | inline_speed void * |
1473 | inline_speed void * |
… | |
… | |
1193 | #undef VAR |
1561 | #undef VAR |
1194 | }; |
1562 | }; |
1195 | #include "ev_wrap.h" |
1563 | #include "ev_wrap.h" |
1196 | |
1564 | |
1197 | static struct ev_loop default_loop_struct; |
1565 | static struct ev_loop default_loop_struct; |
1198 | struct ev_loop *ev_default_loop_ptr; |
1566 | EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */ |
1199 | |
1567 | |
1200 | #else |
1568 | #else |
1201 | |
1569 | |
1202 | ev_tstamp ev_rt_now; |
1570 | EV_API_DECL ev_tstamp ev_rt_now = 0; /* needs to be initialised to make it a definition despite extern */ |
1203 | #define VAR(name,decl) static decl; |
1571 | #define VAR(name,decl) static decl; |
1204 | #include "ev_vars.h" |
1572 | #include "ev_vars.h" |
1205 | #undef VAR |
1573 | #undef VAR |
1206 | |
1574 | |
1207 | static int ev_default_loop_ptr; |
1575 | static int ev_default_loop_ptr; |
… | |
… | |
1222 | |
1590 | |
1223 | /*****************************************************************************/ |
1591 | /*****************************************************************************/ |
1224 | |
1592 | |
1225 | #ifndef EV_HAVE_EV_TIME |
1593 | #ifndef EV_HAVE_EV_TIME |
1226 | ev_tstamp |
1594 | ev_tstamp |
1227 | ev_time (void) |
1595 | ev_time (void) EV_THROW |
1228 | { |
1596 | { |
1229 | #if EV_USE_REALTIME |
1597 | #if EV_USE_REALTIME |
1230 | if (expect_true (have_realtime)) |
1598 | if (expect_true (have_realtime)) |
1231 | { |
1599 | { |
1232 | struct timespec ts; |
1600 | struct timespec ts; |
… | |
… | |
1256 | return ev_time (); |
1624 | return ev_time (); |
1257 | } |
1625 | } |
1258 | |
1626 | |
1259 | #if EV_MULTIPLICITY |
1627 | #if EV_MULTIPLICITY |
1260 | ev_tstamp |
1628 | ev_tstamp |
1261 | ev_now (EV_P) |
1629 | ev_now (EV_P) EV_THROW |
1262 | { |
1630 | { |
1263 | return ev_rt_now; |
1631 | return ev_rt_now; |
1264 | } |
1632 | } |
1265 | #endif |
1633 | #endif |
1266 | |
1634 | |
1267 | void |
1635 | void |
1268 | ev_sleep (ev_tstamp delay) |
1636 | ev_sleep (ev_tstamp delay) EV_THROW |
1269 | { |
1637 | { |
1270 | if (delay > 0.) |
1638 | if (delay > 0.) |
1271 | { |
1639 | { |
1272 | #if EV_USE_NANOSLEEP |
1640 | #if EV_USE_NANOSLEEP |
1273 | struct timespec ts; |
1641 | struct timespec ts; |
1274 | |
1642 | |
1275 | EV_TS_SET (ts, delay); |
1643 | EV_TS_SET (ts, delay); |
1276 | nanosleep (&ts, 0); |
1644 | nanosleep (&ts, 0); |
1277 | #elif defined(_WIN32) |
1645 | #elif defined _WIN32 |
1278 | Sleep ((unsigned long)(delay * 1e3)); |
1646 | Sleep ((unsigned long)(delay * 1e3)); |
1279 | #else |
1647 | #else |
1280 | struct timeval tv; |
1648 | struct timeval tv; |
1281 | |
1649 | |
1282 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
1650 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
… | |
… | |
1301 | |
1669 | |
1302 | do |
1670 | do |
1303 | ncur <<= 1; |
1671 | ncur <<= 1; |
1304 | while (cnt > ncur); |
1672 | while (cnt > ncur); |
1305 | |
1673 | |
1306 | /* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */ |
1674 | /* if size is large, round to MALLOC_ROUND - 4 * longs to accommodate malloc overhead */ |
1307 | if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) |
1675 | if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) |
1308 | { |
1676 | { |
1309 | ncur *= elem; |
1677 | ncur *= elem; |
1310 | ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1); |
1678 | ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1); |
1311 | ncur = ncur - sizeof (void *) * 4; |
1679 | ncur = ncur - sizeof (void *) * 4; |
… | |
… | |
1354 | pendingcb (EV_P_ ev_prepare *w, int revents) |
1722 | pendingcb (EV_P_ ev_prepare *w, int revents) |
1355 | { |
1723 | { |
1356 | } |
1724 | } |
1357 | |
1725 | |
1358 | void noinline |
1726 | void noinline |
1359 | ev_feed_event (EV_P_ void *w, int revents) |
1727 | ev_feed_event (EV_P_ void *w, int revents) EV_THROW |
1360 | { |
1728 | { |
1361 | W w_ = (W)w; |
1729 | W w_ = (W)w; |
1362 | int pri = ABSPRI (w_); |
1730 | int pri = ABSPRI (w_); |
1363 | |
1731 | |
1364 | if (expect_false (w_->pending)) |
1732 | if (expect_false (w_->pending)) |
… | |
… | |
1368 | w_->pending = ++pendingcnt [pri]; |
1736 | w_->pending = ++pendingcnt [pri]; |
1369 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
1737 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
1370 | pendings [pri][w_->pending - 1].w = w_; |
1738 | pendings [pri][w_->pending - 1].w = w_; |
1371 | pendings [pri][w_->pending - 1].events = revents; |
1739 | pendings [pri][w_->pending - 1].events = revents; |
1372 | } |
1740 | } |
|
|
1741 | |
|
|
1742 | pendingpri = NUMPRI - 1; |
1373 | } |
1743 | } |
1374 | |
1744 | |
1375 | inline_speed void |
1745 | inline_speed void |
1376 | feed_reverse (EV_P_ W w) |
1746 | feed_reverse (EV_P_ W w) |
1377 | { |
1747 | { |
… | |
… | |
1423 | if (expect_true (!anfd->reify)) |
1793 | if (expect_true (!anfd->reify)) |
1424 | fd_event_nocheck (EV_A_ fd, revents); |
1794 | fd_event_nocheck (EV_A_ fd, revents); |
1425 | } |
1795 | } |
1426 | |
1796 | |
1427 | void |
1797 | void |
1428 | ev_feed_fd_event (EV_P_ int fd, int revents) |
1798 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW |
1429 | { |
1799 | { |
1430 | if (fd >= 0 && fd < anfdmax) |
1800 | if (fd >= 0 && fd < anfdmax) |
1431 | fd_event_nocheck (EV_A_ fd, revents); |
1801 | fd_event_nocheck (EV_A_ fd, revents); |
1432 | } |
1802 | } |
1433 | |
1803 | |
… | |
… | |
1752 | static void noinline ecb_cold |
2122 | static void noinline ecb_cold |
1753 | evpipe_init (EV_P) |
2123 | evpipe_init (EV_P) |
1754 | { |
2124 | { |
1755 | if (!ev_is_active (&pipe_w)) |
2125 | if (!ev_is_active (&pipe_w)) |
1756 | { |
2126 | { |
|
|
2127 | int fds [2]; |
|
|
2128 | |
1757 | # if EV_USE_EVENTFD |
2129 | # if EV_USE_EVENTFD |
|
|
2130 | fds [0] = -1; |
1758 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
2131 | fds [1] = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
1759 | if (evfd < 0 && errno == EINVAL) |
2132 | if (fds [1] < 0 && errno == EINVAL) |
1760 | evfd = eventfd (0, 0); |
2133 | fds [1] = eventfd (0, 0); |
1761 | |
2134 | |
1762 | if (evfd >= 0) |
2135 | if (fds [1] < 0) |
|
|
2136 | # endif |
1763 | { |
2137 | { |
|
|
2138 | while (pipe (fds)) |
|
|
2139 | ev_syserr ("(libev) error creating signal/async pipe"); |
|
|
2140 | |
|
|
2141 | fd_intern (fds [0]); |
|
|
2142 | } |
|
|
2143 | |
1764 | evpipe [0] = -1; |
2144 | evpipe [0] = fds [0]; |
1765 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
2145 | |
1766 | ev_io_set (&pipe_w, evfd, EV_READ); |
2146 | if (evpipe [1] < 0) |
|
|
2147 | evpipe [1] = fds [1]; /* first call, set write fd */ |
|
|
2148 | else |
|
|
2149 | { |
|
|
2150 | /* on subsequent calls, do not change evpipe [1] */ |
|
|
2151 | /* so that evpipe_write can always rely on its value. */ |
|
|
2152 | /* this branch does not do anything sensible on windows, */ |
|
|
2153 | /* so must not be executed on windows */ |
|
|
2154 | |
|
|
2155 | dup2 (fds [1], evpipe [1]); |
|
|
2156 | close (fds [1]); |
|
|
2157 | } |
|
|
2158 | |
|
|
2159 | fd_intern (evpipe [1]); |
|
|
2160 | |
|
|
2161 | ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ); |
|
|
2162 | ev_io_start (EV_A_ &pipe_w); |
|
|
2163 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
|
|
2164 | } |
|
|
2165 | } |
|
|
2166 | |
|
|
2167 | inline_speed void |
|
|
2168 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
|
|
2169 | { |
|
|
2170 | ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */ |
|
|
2171 | |
|
|
2172 | if (expect_true (*flag)) |
|
|
2173 | return; |
|
|
2174 | |
|
|
2175 | *flag = 1; |
|
|
2176 | ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ |
|
|
2177 | |
|
|
2178 | pipe_write_skipped = 1; |
|
|
2179 | |
|
|
2180 | ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */ |
|
|
2181 | |
|
|
2182 | if (pipe_write_wanted) |
|
|
2183 | { |
|
|
2184 | int old_errno; |
|
|
2185 | |
|
|
2186 | pipe_write_skipped = 0; |
|
|
2187 | ECB_MEMORY_FENCE_RELEASE; |
|
|
2188 | |
|
|
2189 | old_errno = errno; /* save errno because write will clobber it */ |
|
|
2190 | |
|
|
2191 | #if EV_USE_EVENTFD |
|
|
2192 | if (evpipe [0] < 0) |
|
|
2193 | { |
|
|
2194 | uint64_t counter = 1; |
|
|
2195 | write (evpipe [1], &counter, sizeof (uint64_t)); |
1767 | } |
2196 | } |
1768 | else |
2197 | else |
1769 | # endif |
2198 | #endif |
1770 | { |
2199 | { |
1771 | while (pipe (evpipe)) |
2200 | #ifdef _WIN32 |
1772 | ev_syserr ("(libev) error creating signal/async pipe"); |
2201 | WSABUF buf; |
1773 | |
2202 | DWORD sent; |
1774 | fd_intern (evpipe [0]); |
2203 | buf.buf = &buf; |
1775 | fd_intern (evpipe [1]); |
2204 | buf.len = 1; |
1776 | ev_io_set (&pipe_w, evpipe [0], EV_READ); |
2205 | WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0); |
1777 | } |
2206 | #else |
1778 | |
|
|
1779 | ev_io_start (EV_A_ &pipe_w); |
|
|
1780 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
|
|
1781 | } |
|
|
1782 | } |
|
|
1783 | |
|
|
1784 | inline_speed void |
|
|
1785 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
|
|
1786 | { |
|
|
1787 | if (expect_true (*flag)) |
|
|
1788 | return; |
|
|
1789 | |
|
|
1790 | *flag = 1; |
|
|
1791 | |
|
|
1792 | ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ |
|
|
1793 | |
|
|
1794 | pipe_write_skipped = 1; |
|
|
1795 | |
|
|
1796 | ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */ |
|
|
1797 | |
|
|
1798 | if (pipe_write_wanted) |
|
|
1799 | { |
|
|
1800 | int old_errno; |
|
|
1801 | |
|
|
1802 | pipe_write_skipped = 0; /* just an optimisation, no fence needed */ |
|
|
1803 | |
|
|
1804 | old_errno = errno; /* save errno because write will clobber it */ |
|
|
1805 | |
|
|
1806 | #if EV_USE_EVENTFD |
|
|
1807 | if (evfd >= 0) |
|
|
1808 | { |
|
|
1809 | uint64_t counter = 1; |
|
|
1810 | write (evfd, &counter, sizeof (uint64_t)); |
|
|
1811 | } |
|
|
1812 | else |
|
|
1813 | #endif |
|
|
1814 | { |
|
|
1815 | /* win32 people keep sending patches that change this write() to send() */ |
|
|
1816 | /* and then run away. but send() is wrong, it wants a socket handle on win32 */ |
|
|
1817 | /* so when you think this write should be a send instead, please find out */ |
|
|
1818 | /* where your send() is from - it's definitely not the microsoft send, and */ |
|
|
1819 | /* tell me. thank you. */ |
|
|
1820 | write (evpipe [1], &(evpipe [1]), 1); |
2207 | write (evpipe [1], &(evpipe [1]), 1); |
|
|
2208 | #endif |
1821 | } |
2209 | } |
1822 | |
2210 | |
1823 | errno = old_errno; |
2211 | errno = old_errno; |
1824 | } |
2212 | } |
1825 | } |
2213 | } |
… | |
… | |
1832 | int i; |
2220 | int i; |
1833 | |
2221 | |
1834 | if (revents & EV_READ) |
2222 | if (revents & EV_READ) |
1835 | { |
2223 | { |
1836 | #if EV_USE_EVENTFD |
2224 | #if EV_USE_EVENTFD |
1837 | if (evfd >= 0) |
2225 | if (evpipe [0] < 0) |
1838 | { |
2226 | { |
1839 | uint64_t counter; |
2227 | uint64_t counter; |
1840 | read (evfd, &counter, sizeof (uint64_t)); |
2228 | read (evpipe [1], &counter, sizeof (uint64_t)); |
1841 | } |
2229 | } |
1842 | else |
2230 | else |
1843 | #endif |
2231 | #endif |
1844 | { |
2232 | { |
1845 | char dummy; |
2233 | char dummy[4]; |
1846 | /* see discussion in evpipe_write when you think this read should be recv in win32 */ |
2234 | #ifdef _WIN32 |
|
|
2235 | WSABUF buf; |
|
|
2236 | DWORD recvd; |
|
|
2237 | DWORD flags = 0; |
|
|
2238 | buf.buf = dummy; |
|
|
2239 | buf.len = sizeof (dummy); |
|
|
2240 | WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, &flags, 0, 0); |
|
|
2241 | #else |
1847 | read (evpipe [0], &dummy, 1); |
2242 | read (evpipe [0], &dummy, sizeof (dummy)); |
|
|
2243 | #endif |
1848 | } |
2244 | } |
1849 | } |
2245 | } |
1850 | |
2246 | |
1851 | pipe_write_skipped = 0; |
2247 | pipe_write_skipped = 0; |
|
|
2248 | |
|
|
2249 | ECB_MEMORY_FENCE; /* push out skipped, acquire flags */ |
1852 | |
2250 | |
1853 | #if EV_SIGNAL_ENABLE |
2251 | #if EV_SIGNAL_ENABLE |
1854 | if (sig_pending) |
2252 | if (sig_pending) |
1855 | { |
2253 | { |
1856 | sig_pending = 0; |
2254 | sig_pending = 0; |
|
|
2255 | |
|
|
2256 | ECB_MEMORY_FENCE; |
1857 | |
2257 | |
1858 | for (i = EV_NSIG - 1; i--; ) |
2258 | for (i = EV_NSIG - 1; i--; ) |
1859 | if (expect_false (signals [i].pending)) |
2259 | if (expect_false (signals [i].pending)) |
1860 | ev_feed_signal_event (EV_A_ i + 1); |
2260 | ev_feed_signal_event (EV_A_ i + 1); |
1861 | } |
2261 | } |
… | |
… | |
1863 | |
2263 | |
1864 | #if EV_ASYNC_ENABLE |
2264 | #if EV_ASYNC_ENABLE |
1865 | if (async_pending) |
2265 | if (async_pending) |
1866 | { |
2266 | { |
1867 | async_pending = 0; |
2267 | async_pending = 0; |
|
|
2268 | |
|
|
2269 | ECB_MEMORY_FENCE; |
1868 | |
2270 | |
1869 | for (i = asynccnt; i--; ) |
2271 | for (i = asynccnt; i--; ) |
1870 | if (asyncs [i]->sent) |
2272 | if (asyncs [i]->sent) |
1871 | { |
2273 | { |
1872 | asyncs [i]->sent = 0; |
2274 | asyncs [i]->sent = 0; |
|
|
2275 | ECB_MEMORY_FENCE_RELEASE; |
1873 | ev_feed_event (EV_A_ asyncs [i], EV_ASYNC); |
2276 | ev_feed_event (EV_A_ asyncs [i], EV_ASYNC); |
1874 | } |
2277 | } |
1875 | } |
2278 | } |
1876 | #endif |
2279 | #endif |
1877 | } |
2280 | } |
1878 | |
2281 | |
1879 | /*****************************************************************************/ |
2282 | /*****************************************************************************/ |
1880 | |
2283 | |
1881 | void |
2284 | void |
1882 | ev_feed_signal (int signum) |
2285 | ev_feed_signal (int signum) EV_THROW |
1883 | { |
2286 | { |
1884 | #if EV_MULTIPLICITY |
2287 | #if EV_MULTIPLICITY |
|
|
2288 | EV_P; |
|
|
2289 | ECB_MEMORY_FENCE_ACQUIRE; |
1885 | EV_P = signals [signum - 1].loop; |
2290 | EV_A = signals [signum - 1].loop; |
1886 | |
2291 | |
1887 | if (!EV_A) |
2292 | if (!EV_A) |
1888 | return; |
2293 | return; |
1889 | #endif |
2294 | #endif |
1890 | |
2295 | |
1891 | if (!ev_active (&pipe_w)) |
|
|
1892 | return; |
|
|
1893 | |
|
|
1894 | signals [signum - 1].pending = 1; |
2296 | signals [signum - 1].pending = 1; |
1895 | evpipe_write (EV_A_ &sig_pending); |
2297 | evpipe_write (EV_A_ &sig_pending); |
1896 | } |
2298 | } |
1897 | |
2299 | |
1898 | static void |
2300 | static void |
… | |
… | |
1904 | |
2306 | |
1905 | ev_feed_signal (signum); |
2307 | ev_feed_signal (signum); |
1906 | } |
2308 | } |
1907 | |
2309 | |
1908 | void noinline |
2310 | void noinline |
1909 | ev_feed_signal_event (EV_P_ int signum) |
2311 | ev_feed_signal_event (EV_P_ int signum) EV_THROW |
1910 | { |
2312 | { |
1911 | WL w; |
2313 | WL w; |
1912 | |
2314 | |
1913 | if (expect_false (signum <= 0 || signum > EV_NSIG)) |
2315 | if (expect_false (signum <= 0 || signum >= EV_NSIG)) |
1914 | return; |
2316 | return; |
1915 | |
2317 | |
1916 | --signum; |
2318 | --signum; |
1917 | |
2319 | |
1918 | #if EV_MULTIPLICITY |
2320 | #if EV_MULTIPLICITY |
… | |
… | |
1922 | if (expect_false (signals [signum].loop != EV_A)) |
2324 | if (expect_false (signals [signum].loop != EV_A)) |
1923 | return; |
2325 | return; |
1924 | #endif |
2326 | #endif |
1925 | |
2327 | |
1926 | signals [signum].pending = 0; |
2328 | signals [signum].pending = 0; |
|
|
2329 | ECB_MEMORY_FENCE_RELEASE; |
1927 | |
2330 | |
1928 | for (w = signals [signum].head; w; w = w->next) |
2331 | for (w = signals [signum].head; w; w = w->next) |
1929 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
2332 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
1930 | } |
2333 | } |
1931 | |
2334 | |
… | |
… | |
2030 | #if EV_USE_SELECT |
2433 | #if EV_USE_SELECT |
2031 | # include "ev_select.c" |
2434 | # include "ev_select.c" |
2032 | #endif |
2435 | #endif |
2033 | |
2436 | |
2034 | int ecb_cold |
2437 | int ecb_cold |
2035 | ev_version_major (void) |
2438 | ev_version_major (void) EV_THROW |
2036 | { |
2439 | { |
2037 | return EV_VERSION_MAJOR; |
2440 | return EV_VERSION_MAJOR; |
2038 | } |
2441 | } |
2039 | |
2442 | |
2040 | int ecb_cold |
2443 | int ecb_cold |
2041 | ev_version_minor (void) |
2444 | ev_version_minor (void) EV_THROW |
2042 | { |
2445 | { |
2043 | return EV_VERSION_MINOR; |
2446 | return EV_VERSION_MINOR; |
2044 | } |
2447 | } |
2045 | |
2448 | |
2046 | /* return true if we are running with elevated privileges and should ignore env variables */ |
2449 | /* return true if we are running with elevated privileges and should ignore env variables */ |
… | |
… | |
2054 | || getgid () != getegid (); |
2457 | || getgid () != getegid (); |
2055 | #endif |
2458 | #endif |
2056 | } |
2459 | } |
2057 | |
2460 | |
2058 | unsigned int ecb_cold |
2461 | unsigned int ecb_cold |
2059 | ev_supported_backends (void) |
2462 | ev_supported_backends (void) EV_THROW |
2060 | { |
2463 | { |
2061 | unsigned int flags = 0; |
2464 | unsigned int flags = 0; |
2062 | |
2465 | |
2063 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2466 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2064 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
2467 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
… | |
… | |
2068 | |
2471 | |
2069 | return flags; |
2472 | return flags; |
2070 | } |
2473 | } |
2071 | |
2474 | |
2072 | unsigned int ecb_cold |
2475 | unsigned int ecb_cold |
2073 | ev_recommended_backends (void) |
2476 | ev_recommended_backends (void) EV_THROW |
2074 | { |
2477 | { |
2075 | unsigned int flags = ev_supported_backends (); |
2478 | unsigned int flags = ev_supported_backends (); |
2076 | |
2479 | |
2077 | #ifndef __NetBSD__ |
2480 | #ifndef __NetBSD__ |
2078 | /* kqueue is borked on everything but netbsd apparently */ |
2481 | /* kqueue is borked on everything but netbsd apparently */ |
… | |
… | |
2090 | |
2493 | |
2091 | return flags; |
2494 | return flags; |
2092 | } |
2495 | } |
2093 | |
2496 | |
2094 | unsigned int ecb_cold |
2497 | unsigned int ecb_cold |
2095 | ev_embeddable_backends (void) |
2498 | ev_embeddable_backends (void) EV_THROW |
2096 | { |
2499 | { |
2097 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
2500 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
2098 | |
2501 | |
2099 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2502 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2100 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
2503 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
… | |
… | |
2102 | |
2505 | |
2103 | return flags; |
2506 | return flags; |
2104 | } |
2507 | } |
2105 | |
2508 | |
2106 | unsigned int |
2509 | unsigned int |
2107 | ev_backend (EV_P) |
2510 | ev_backend (EV_P) EV_THROW |
2108 | { |
2511 | { |
2109 | return backend; |
2512 | return backend; |
2110 | } |
2513 | } |
2111 | |
2514 | |
2112 | #if EV_FEATURE_API |
2515 | #if EV_FEATURE_API |
2113 | unsigned int |
2516 | unsigned int |
2114 | ev_iteration (EV_P) |
2517 | ev_iteration (EV_P) EV_THROW |
2115 | { |
2518 | { |
2116 | return loop_count; |
2519 | return loop_count; |
2117 | } |
2520 | } |
2118 | |
2521 | |
2119 | unsigned int |
2522 | unsigned int |
2120 | ev_depth (EV_P) |
2523 | ev_depth (EV_P) EV_THROW |
2121 | { |
2524 | { |
2122 | return loop_depth; |
2525 | return loop_depth; |
2123 | } |
2526 | } |
2124 | |
2527 | |
2125 | void |
2528 | void |
2126 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
2529 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
2127 | { |
2530 | { |
2128 | io_blocktime = interval; |
2531 | io_blocktime = interval; |
2129 | } |
2532 | } |
2130 | |
2533 | |
2131 | void |
2534 | void |
2132 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
2535 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
2133 | { |
2536 | { |
2134 | timeout_blocktime = interval; |
2537 | timeout_blocktime = interval; |
2135 | } |
2538 | } |
2136 | |
2539 | |
2137 | void |
2540 | void |
2138 | ev_set_userdata (EV_P_ void *data) |
2541 | ev_set_userdata (EV_P_ void *data) EV_THROW |
2139 | { |
2542 | { |
2140 | userdata = data; |
2543 | userdata = data; |
2141 | } |
2544 | } |
2142 | |
2545 | |
2143 | void * |
2546 | void * |
2144 | ev_userdata (EV_P) |
2547 | ev_userdata (EV_P) EV_THROW |
2145 | { |
2548 | { |
2146 | return userdata; |
2549 | return userdata; |
2147 | } |
2550 | } |
2148 | |
2551 | |
2149 | void |
2552 | void |
2150 | ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) |
2553 | ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW |
2151 | { |
2554 | { |
2152 | invoke_cb = invoke_pending_cb; |
2555 | invoke_cb = invoke_pending_cb; |
2153 | } |
2556 | } |
2154 | |
2557 | |
2155 | void |
2558 | void |
2156 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) |
2559 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW |
2157 | { |
2560 | { |
2158 | release_cb = release; |
2561 | release_cb = release; |
2159 | acquire_cb = acquire; |
2562 | acquire_cb = acquire; |
2160 | } |
2563 | } |
2161 | #endif |
2564 | #endif |
2162 | |
2565 | |
2163 | /* initialise a loop structure, must be zero-initialised */ |
2566 | /* initialise a loop structure, must be zero-initialised */ |
2164 | static void noinline ecb_cold |
2567 | static void noinline ecb_cold |
2165 | loop_init (EV_P_ unsigned int flags) |
2568 | loop_init (EV_P_ unsigned int flags) EV_THROW |
2166 | { |
2569 | { |
2167 | if (!backend) |
2570 | if (!backend) |
2168 | { |
2571 | { |
2169 | origflags = flags; |
2572 | origflags = flags; |
2170 | |
2573 | |
… | |
… | |
2215 | #if EV_ASYNC_ENABLE |
2618 | #if EV_ASYNC_ENABLE |
2216 | async_pending = 0; |
2619 | async_pending = 0; |
2217 | #endif |
2620 | #endif |
2218 | pipe_write_skipped = 0; |
2621 | pipe_write_skipped = 0; |
2219 | pipe_write_wanted = 0; |
2622 | pipe_write_wanted = 0; |
|
|
2623 | evpipe [0] = -1; |
|
|
2624 | evpipe [1] = -1; |
2220 | #if EV_USE_INOTIFY |
2625 | #if EV_USE_INOTIFY |
2221 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
2626 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
2222 | #endif |
2627 | #endif |
2223 | #if EV_USE_SIGNALFD |
2628 | #if EV_USE_SIGNALFD |
2224 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
2629 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
… | |
… | |
2275 | EV_INVOKE_PENDING; |
2680 | EV_INVOKE_PENDING; |
2276 | } |
2681 | } |
2277 | #endif |
2682 | #endif |
2278 | |
2683 | |
2279 | #if EV_CHILD_ENABLE |
2684 | #if EV_CHILD_ENABLE |
2280 | if (ev_is_active (&childev)) |
2685 | if (ev_is_default_loop (EV_A) && ev_is_active (&childev)) |
2281 | { |
2686 | { |
2282 | ev_ref (EV_A); /* child watcher */ |
2687 | ev_ref (EV_A); /* child watcher */ |
2283 | ev_signal_stop (EV_A_ &childev); |
2688 | ev_signal_stop (EV_A_ &childev); |
2284 | } |
2689 | } |
2285 | #endif |
2690 | #endif |
… | |
… | |
2287 | if (ev_is_active (&pipe_w)) |
2692 | if (ev_is_active (&pipe_w)) |
2288 | { |
2693 | { |
2289 | /*ev_ref (EV_A);*/ |
2694 | /*ev_ref (EV_A);*/ |
2290 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
2695 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
2291 | |
2696 | |
2292 | #if EV_USE_EVENTFD |
|
|
2293 | if (evfd >= 0) |
|
|
2294 | close (evfd); |
|
|
2295 | #endif |
|
|
2296 | |
|
|
2297 | if (evpipe [0] >= 0) |
|
|
2298 | { |
|
|
2299 | EV_WIN32_CLOSE_FD (evpipe [0]); |
2697 | if (evpipe [0] >= 0) EV_WIN32_CLOSE_FD (evpipe [0]); |
2300 | EV_WIN32_CLOSE_FD (evpipe [1]); |
2698 | if (evpipe [1] >= 0) EV_WIN32_CLOSE_FD (evpipe [1]); |
2301 | } |
|
|
2302 | } |
2699 | } |
2303 | |
2700 | |
2304 | #if EV_USE_SIGNALFD |
2701 | #if EV_USE_SIGNALFD |
2305 | if (ev_is_active (&sigfd_w)) |
2702 | if (ev_is_active (&sigfd_w)) |
2306 | close (sigfd); |
2703 | close (sigfd); |
… | |
… | |
2392 | #endif |
2789 | #endif |
2393 | #if EV_USE_INOTIFY |
2790 | #if EV_USE_INOTIFY |
2394 | infy_fork (EV_A); |
2791 | infy_fork (EV_A); |
2395 | #endif |
2792 | #endif |
2396 | |
2793 | |
|
|
2794 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2397 | if (ev_is_active (&pipe_w)) |
2795 | if (ev_is_active (&pipe_w)) |
2398 | { |
2796 | { |
2399 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
2797 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
2400 | |
2798 | |
2401 | ev_ref (EV_A); |
2799 | ev_ref (EV_A); |
2402 | ev_io_stop (EV_A_ &pipe_w); |
2800 | ev_io_stop (EV_A_ &pipe_w); |
2403 | |
2801 | |
2404 | #if EV_USE_EVENTFD |
|
|
2405 | if (evfd >= 0) |
|
|
2406 | close (evfd); |
|
|
2407 | #endif |
|
|
2408 | |
|
|
2409 | if (evpipe [0] >= 0) |
2802 | if (evpipe [0] >= 0) |
2410 | { |
|
|
2411 | EV_WIN32_CLOSE_FD (evpipe [0]); |
2803 | EV_WIN32_CLOSE_FD (evpipe [0]); |
2412 | EV_WIN32_CLOSE_FD (evpipe [1]); |
|
|
2413 | } |
|
|
2414 | |
2804 | |
2415 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
|
|
2416 | evpipe_init (EV_A); |
2805 | evpipe_init (EV_A); |
2417 | /* now iterate over everything, in case we missed something */ |
2806 | /* iterate over everything, in case we missed something before */ |
2418 | pipecb (EV_A_ &pipe_w, EV_READ); |
2807 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
2419 | #endif |
|
|
2420 | } |
2808 | } |
|
|
2809 | #endif |
2421 | |
2810 | |
2422 | postfork = 0; |
2811 | postfork = 0; |
2423 | } |
2812 | } |
2424 | |
2813 | |
2425 | #if EV_MULTIPLICITY |
2814 | #if EV_MULTIPLICITY |
2426 | |
2815 | |
2427 | struct ev_loop * ecb_cold |
2816 | struct ev_loop * ecb_cold |
2428 | ev_loop_new (unsigned int flags) |
2817 | ev_loop_new (unsigned int flags) EV_THROW |
2429 | { |
2818 | { |
2430 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
2819 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
2431 | |
2820 | |
2432 | memset (EV_A, 0, sizeof (struct ev_loop)); |
2821 | memset (EV_A, 0, sizeof (struct ev_loop)); |
2433 | loop_init (EV_A_ flags); |
2822 | loop_init (EV_A_ flags); |
… | |
… | |
2477 | } |
2866 | } |
2478 | #endif |
2867 | #endif |
2479 | |
2868 | |
2480 | #if EV_FEATURE_API |
2869 | #if EV_FEATURE_API |
2481 | void ecb_cold |
2870 | void ecb_cold |
2482 | ev_verify (EV_P) |
2871 | ev_verify (EV_P) EV_THROW |
2483 | { |
2872 | { |
2484 | #if EV_VERIFY |
2873 | #if EV_VERIFY |
2485 | int i; |
2874 | int i; |
2486 | WL w; |
2875 | WL w, w2; |
2487 | |
2876 | |
2488 | assert (activecnt >= -1); |
2877 | assert (activecnt >= -1); |
2489 | |
2878 | |
2490 | assert (fdchangemax >= fdchangecnt); |
2879 | assert (fdchangemax >= fdchangecnt); |
2491 | for (i = 0; i < fdchangecnt; ++i) |
2880 | for (i = 0; i < fdchangecnt; ++i) |
2492 | assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); |
2881 | assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); |
2493 | |
2882 | |
2494 | assert (anfdmax >= 0); |
2883 | assert (anfdmax >= 0); |
2495 | for (i = 0; i < anfdmax; ++i) |
2884 | for (i = 0; i < anfdmax; ++i) |
|
|
2885 | { |
|
|
2886 | int j = 0; |
|
|
2887 | |
2496 | for (w = anfds [i].head; w; w = w->next) |
2888 | for (w = w2 = anfds [i].head; w; w = w->next) |
2497 | { |
2889 | { |
2498 | verify_watcher (EV_A_ (W)w); |
2890 | verify_watcher (EV_A_ (W)w); |
|
|
2891 | |
|
|
2892 | if (j++ & 1) |
|
|
2893 | { |
|
|
2894 | assert (("libev: io watcher list contains a loop", w != w2)); |
|
|
2895 | w2 = w2->next; |
|
|
2896 | } |
|
|
2897 | |
2499 | assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); |
2898 | assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); |
2500 | assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
2899 | assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
2501 | } |
2900 | } |
|
|
2901 | } |
2502 | |
2902 | |
2503 | assert (timermax >= timercnt); |
2903 | assert (timermax >= timercnt); |
2504 | verify_heap (EV_A_ timers, timercnt); |
2904 | verify_heap (EV_A_ timers, timercnt); |
2505 | |
2905 | |
2506 | #if EV_PERIODIC_ENABLE |
2906 | #if EV_PERIODIC_ENABLE |
… | |
… | |
2556 | #if EV_MULTIPLICITY |
2956 | #if EV_MULTIPLICITY |
2557 | struct ev_loop * ecb_cold |
2957 | struct ev_loop * ecb_cold |
2558 | #else |
2958 | #else |
2559 | int |
2959 | int |
2560 | #endif |
2960 | #endif |
2561 | ev_default_loop (unsigned int flags) |
2961 | ev_default_loop (unsigned int flags) EV_THROW |
2562 | { |
2962 | { |
2563 | if (!ev_default_loop_ptr) |
2963 | if (!ev_default_loop_ptr) |
2564 | { |
2964 | { |
2565 | #if EV_MULTIPLICITY |
2965 | #if EV_MULTIPLICITY |
2566 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
2966 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
… | |
… | |
2585 | |
2985 | |
2586 | return ev_default_loop_ptr; |
2986 | return ev_default_loop_ptr; |
2587 | } |
2987 | } |
2588 | |
2988 | |
2589 | void |
2989 | void |
2590 | ev_loop_fork (EV_P) |
2990 | ev_loop_fork (EV_P) EV_THROW |
2591 | { |
2991 | { |
2592 | postfork = 1; /* must be in line with ev_default_fork */ |
2992 | postfork = 1; |
2593 | } |
2993 | } |
2594 | |
2994 | |
2595 | /*****************************************************************************/ |
2995 | /*****************************************************************************/ |
2596 | |
2996 | |
2597 | void |
2997 | void |
… | |
… | |
2599 | { |
2999 | { |
2600 | EV_CB_INVOKE ((W)w, revents); |
3000 | EV_CB_INVOKE ((W)w, revents); |
2601 | } |
3001 | } |
2602 | |
3002 | |
2603 | unsigned int |
3003 | unsigned int |
2604 | ev_pending_count (EV_P) |
3004 | ev_pending_count (EV_P) EV_THROW |
2605 | { |
3005 | { |
2606 | int pri; |
3006 | int pri; |
2607 | unsigned int count = 0; |
3007 | unsigned int count = 0; |
2608 | |
3008 | |
2609 | for (pri = NUMPRI; pri--; ) |
3009 | for (pri = NUMPRI; pri--; ) |
… | |
… | |
2613 | } |
3013 | } |
2614 | |
3014 | |
2615 | void noinline |
3015 | void noinline |
2616 | ev_invoke_pending (EV_P) |
3016 | ev_invoke_pending (EV_P) |
2617 | { |
3017 | { |
2618 | int pri; |
3018 | pendingpri = NUMPRI; |
2619 | |
3019 | |
2620 | for (pri = NUMPRI; pri--; ) |
3020 | while (pendingpri) /* pendingpri possibly gets modified in the inner loop */ |
|
|
3021 | { |
|
|
3022 | --pendingpri; |
|
|
3023 | |
2621 | while (pendingcnt [pri]) |
3024 | while (pendingcnt [pendingpri]) |
2622 | { |
3025 | { |
2623 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
3026 | ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri]; |
2624 | |
3027 | |
2625 | p->w->pending = 0; |
3028 | p->w->pending = 0; |
2626 | EV_CB_INVOKE (p->w, p->events); |
3029 | EV_CB_INVOKE (p->w, p->events); |
2627 | EV_FREQUENT_CHECK; |
3030 | EV_FREQUENT_CHECK; |
2628 | } |
3031 | } |
|
|
3032 | } |
2629 | } |
3033 | } |
2630 | |
3034 | |
2631 | #if EV_IDLE_ENABLE |
3035 | #if EV_IDLE_ENABLE |
2632 | /* make idle watchers pending. this handles the "call-idle */ |
3036 | /* make idle watchers pending. this handles the "call-idle */ |
2633 | /* only when higher priorities are idle" logic */ |
3037 | /* only when higher priorities are idle" logic */ |
… | |
… | |
2723 | { |
3127 | { |
2724 | EV_FREQUENT_CHECK; |
3128 | EV_FREQUENT_CHECK; |
2725 | |
3129 | |
2726 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
3130 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
2727 | { |
3131 | { |
2728 | int feed_count = 0; |
|
|
2729 | |
|
|
2730 | do |
3132 | do |
2731 | { |
3133 | { |
2732 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
3134 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
2733 | |
3135 | |
2734 | /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ |
3136 | /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ |
… | |
… | |
2868 | |
3270 | |
2869 | mn_now = ev_rt_now; |
3271 | mn_now = ev_rt_now; |
2870 | } |
3272 | } |
2871 | } |
3273 | } |
2872 | |
3274 | |
2873 | void |
3275 | int |
2874 | ev_run (EV_P_ int flags) |
3276 | ev_run (EV_P_ int flags) |
2875 | { |
3277 | { |
2876 | #if EV_FEATURE_API |
3278 | #if EV_FEATURE_API |
2877 | ++loop_depth; |
3279 | ++loop_depth; |
2878 | #endif |
3280 | #endif |
… | |
… | |
2991 | #endif |
3393 | #endif |
2992 | assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ |
3394 | assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ |
2993 | backend_poll (EV_A_ waittime); |
3395 | backend_poll (EV_A_ waittime); |
2994 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
3396 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
2995 | |
3397 | |
2996 | pipe_write_wanted = 0; /* just an optimsiation, no fence needed */ |
3398 | pipe_write_wanted = 0; /* just an optimisation, no fence needed */ |
2997 | |
3399 | |
|
|
3400 | ECB_MEMORY_FENCE_ACQUIRE; |
2998 | if (pipe_write_skipped) |
3401 | if (pipe_write_skipped) |
2999 | { |
3402 | { |
3000 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
3403 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
3001 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
3404 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
3002 | } |
3405 | } |
… | |
… | |
3035 | loop_done = EVBREAK_CANCEL; |
3438 | loop_done = EVBREAK_CANCEL; |
3036 | |
3439 | |
3037 | #if EV_FEATURE_API |
3440 | #if EV_FEATURE_API |
3038 | --loop_depth; |
3441 | --loop_depth; |
3039 | #endif |
3442 | #endif |
|
|
3443 | |
|
|
3444 | return activecnt; |
3040 | } |
3445 | } |
3041 | |
3446 | |
3042 | void |
3447 | void |
3043 | ev_break (EV_P_ int how) |
3448 | ev_break (EV_P_ int how) EV_THROW |
3044 | { |
3449 | { |
3045 | loop_done = how; |
3450 | loop_done = how; |
3046 | } |
3451 | } |
3047 | |
3452 | |
3048 | void |
3453 | void |
3049 | ev_ref (EV_P) |
3454 | ev_ref (EV_P) EV_THROW |
3050 | { |
3455 | { |
3051 | ++activecnt; |
3456 | ++activecnt; |
3052 | } |
3457 | } |
3053 | |
3458 | |
3054 | void |
3459 | void |
3055 | ev_unref (EV_P) |
3460 | ev_unref (EV_P) EV_THROW |
3056 | { |
3461 | { |
3057 | --activecnt; |
3462 | --activecnt; |
3058 | } |
3463 | } |
3059 | |
3464 | |
3060 | void |
3465 | void |
3061 | ev_now_update (EV_P) |
3466 | ev_now_update (EV_P) EV_THROW |
3062 | { |
3467 | { |
3063 | time_update (EV_A_ 1e100); |
3468 | time_update (EV_A_ 1e100); |
3064 | } |
3469 | } |
3065 | |
3470 | |
3066 | void |
3471 | void |
3067 | ev_suspend (EV_P) |
3472 | ev_suspend (EV_P) EV_THROW |
3068 | { |
3473 | { |
3069 | ev_now_update (EV_A); |
3474 | ev_now_update (EV_A); |
3070 | } |
3475 | } |
3071 | |
3476 | |
3072 | void |
3477 | void |
3073 | ev_resume (EV_P) |
3478 | ev_resume (EV_P) EV_THROW |
3074 | { |
3479 | { |
3075 | ev_tstamp mn_prev = mn_now; |
3480 | ev_tstamp mn_prev = mn_now; |
3076 | |
3481 | |
3077 | ev_now_update (EV_A); |
3482 | ev_now_update (EV_A); |
3078 | timers_reschedule (EV_A_ mn_now - mn_prev); |
3483 | timers_reschedule (EV_A_ mn_now - mn_prev); |
… | |
… | |
3117 | w->pending = 0; |
3522 | w->pending = 0; |
3118 | } |
3523 | } |
3119 | } |
3524 | } |
3120 | |
3525 | |
3121 | int |
3526 | int |
3122 | ev_clear_pending (EV_P_ void *w) |
3527 | ev_clear_pending (EV_P_ void *w) EV_THROW |
3123 | { |
3528 | { |
3124 | W w_ = (W)w; |
3529 | W w_ = (W)w; |
3125 | int pending = w_->pending; |
3530 | int pending = w_->pending; |
3126 | |
3531 | |
3127 | if (expect_true (pending)) |
3532 | if (expect_true (pending)) |
… | |
… | |
3160 | } |
3565 | } |
3161 | |
3566 | |
3162 | /*****************************************************************************/ |
3567 | /*****************************************************************************/ |
3163 | |
3568 | |
3164 | void noinline |
3569 | void noinline |
3165 | ev_io_start (EV_P_ ev_io *w) |
3570 | ev_io_start (EV_P_ ev_io *w) EV_THROW |
3166 | { |
3571 | { |
3167 | int fd = w->fd; |
3572 | int fd = w->fd; |
3168 | |
3573 | |
3169 | if (expect_false (ev_is_active (w))) |
3574 | if (expect_false (ev_is_active (w))) |
3170 | return; |
3575 | return; |
… | |
… | |
3176 | |
3581 | |
3177 | ev_start (EV_A_ (W)w, 1); |
3582 | ev_start (EV_A_ (W)w, 1); |
3178 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
3583 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
3179 | wlist_add (&anfds[fd].head, (WL)w); |
3584 | wlist_add (&anfds[fd].head, (WL)w); |
3180 | |
3585 | |
|
|
3586 | /* common bug, apparently */ |
|
|
3587 | assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w)); |
|
|
3588 | |
3181 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); |
3589 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); |
3182 | w->events &= ~EV__IOFDSET; |
3590 | w->events &= ~EV__IOFDSET; |
3183 | |
3591 | |
3184 | EV_FREQUENT_CHECK; |
3592 | EV_FREQUENT_CHECK; |
3185 | } |
3593 | } |
3186 | |
3594 | |
3187 | void noinline |
3595 | void noinline |
3188 | ev_io_stop (EV_P_ ev_io *w) |
3596 | ev_io_stop (EV_P_ ev_io *w) EV_THROW |
3189 | { |
3597 | { |
3190 | clear_pending (EV_A_ (W)w); |
3598 | clear_pending (EV_A_ (W)w); |
3191 | if (expect_false (!ev_is_active (w))) |
3599 | if (expect_false (!ev_is_active (w))) |
3192 | return; |
3600 | return; |
3193 | |
3601 | |
… | |
… | |
3202 | |
3610 | |
3203 | EV_FREQUENT_CHECK; |
3611 | EV_FREQUENT_CHECK; |
3204 | } |
3612 | } |
3205 | |
3613 | |
3206 | void noinline |
3614 | void noinline |
3207 | ev_timer_start (EV_P_ ev_timer *w) |
3615 | ev_timer_start (EV_P_ ev_timer *w) EV_THROW |
3208 | { |
3616 | { |
3209 | if (expect_false (ev_is_active (w))) |
3617 | if (expect_false (ev_is_active (w))) |
3210 | return; |
3618 | return; |
3211 | |
3619 | |
3212 | ev_at (w) += mn_now; |
3620 | ev_at (w) += mn_now; |
… | |
… | |
3226 | |
3634 | |
3227 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
3635 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
3228 | } |
3636 | } |
3229 | |
3637 | |
3230 | void noinline |
3638 | void noinline |
3231 | ev_timer_stop (EV_P_ ev_timer *w) |
3639 | ev_timer_stop (EV_P_ ev_timer *w) EV_THROW |
3232 | { |
3640 | { |
3233 | clear_pending (EV_A_ (W)w); |
3641 | clear_pending (EV_A_ (W)w); |
3234 | if (expect_false (!ev_is_active (w))) |
3642 | if (expect_false (!ev_is_active (w))) |
3235 | return; |
3643 | return; |
3236 | |
3644 | |
… | |
… | |
3256 | |
3664 | |
3257 | EV_FREQUENT_CHECK; |
3665 | EV_FREQUENT_CHECK; |
3258 | } |
3666 | } |
3259 | |
3667 | |
3260 | void noinline |
3668 | void noinline |
3261 | ev_timer_again (EV_P_ ev_timer *w) |
3669 | ev_timer_again (EV_P_ ev_timer *w) EV_THROW |
3262 | { |
3670 | { |
3263 | EV_FREQUENT_CHECK; |
3671 | EV_FREQUENT_CHECK; |
|
|
3672 | |
|
|
3673 | clear_pending (EV_A_ (W)w); |
3264 | |
3674 | |
3265 | if (ev_is_active (w)) |
3675 | if (ev_is_active (w)) |
3266 | { |
3676 | { |
3267 | if (w->repeat) |
3677 | if (w->repeat) |
3268 | { |
3678 | { |
… | |
… | |
3281 | |
3691 | |
3282 | EV_FREQUENT_CHECK; |
3692 | EV_FREQUENT_CHECK; |
3283 | } |
3693 | } |
3284 | |
3694 | |
3285 | ev_tstamp |
3695 | ev_tstamp |
3286 | ev_timer_remaining (EV_P_ ev_timer *w) |
3696 | ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW |
3287 | { |
3697 | { |
3288 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
3698 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
3289 | } |
3699 | } |
3290 | |
3700 | |
3291 | #if EV_PERIODIC_ENABLE |
3701 | #if EV_PERIODIC_ENABLE |
3292 | void noinline |
3702 | void noinline |
3293 | ev_periodic_start (EV_P_ ev_periodic *w) |
3703 | ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW |
3294 | { |
3704 | { |
3295 | if (expect_false (ev_is_active (w))) |
3705 | if (expect_false (ev_is_active (w))) |
3296 | return; |
3706 | return; |
3297 | |
3707 | |
3298 | if (w->reschedule_cb) |
3708 | if (w->reschedule_cb) |
… | |
… | |
3318 | |
3728 | |
3319 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
3729 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
3320 | } |
3730 | } |
3321 | |
3731 | |
3322 | void noinline |
3732 | void noinline |
3323 | ev_periodic_stop (EV_P_ ev_periodic *w) |
3733 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW |
3324 | { |
3734 | { |
3325 | clear_pending (EV_A_ (W)w); |
3735 | clear_pending (EV_A_ (W)w); |
3326 | if (expect_false (!ev_is_active (w))) |
3736 | if (expect_false (!ev_is_active (w))) |
3327 | return; |
3737 | return; |
3328 | |
3738 | |
… | |
… | |
3346 | |
3756 | |
3347 | EV_FREQUENT_CHECK; |
3757 | EV_FREQUENT_CHECK; |
3348 | } |
3758 | } |
3349 | |
3759 | |
3350 | void noinline |
3760 | void noinline |
3351 | ev_periodic_again (EV_P_ ev_periodic *w) |
3761 | ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW |
3352 | { |
3762 | { |
3353 | /* TODO: use adjustheap and recalculation */ |
3763 | /* TODO: use adjustheap and recalculation */ |
3354 | ev_periodic_stop (EV_A_ w); |
3764 | ev_periodic_stop (EV_A_ w); |
3355 | ev_periodic_start (EV_A_ w); |
3765 | ev_periodic_start (EV_A_ w); |
3356 | } |
3766 | } |
… | |
… | |
3361 | #endif |
3771 | #endif |
3362 | |
3772 | |
3363 | #if EV_SIGNAL_ENABLE |
3773 | #if EV_SIGNAL_ENABLE |
3364 | |
3774 | |
3365 | void noinline |
3775 | void noinline |
3366 | ev_signal_start (EV_P_ ev_signal *w) |
3776 | ev_signal_start (EV_P_ ev_signal *w) EV_THROW |
3367 | { |
3777 | { |
3368 | if (expect_false (ev_is_active (w))) |
3778 | if (expect_false (ev_is_active (w))) |
3369 | return; |
3779 | return; |
3370 | |
3780 | |
3371 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
3781 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
… | |
… | |
3373 | #if EV_MULTIPLICITY |
3783 | #if EV_MULTIPLICITY |
3374 | assert (("libev: a signal must not be attached to two different loops", |
3784 | assert (("libev: a signal must not be attached to two different loops", |
3375 | !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop)); |
3785 | !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop)); |
3376 | |
3786 | |
3377 | signals [w->signum - 1].loop = EV_A; |
3787 | signals [w->signum - 1].loop = EV_A; |
|
|
3788 | ECB_MEMORY_FENCE_RELEASE; |
3378 | #endif |
3789 | #endif |
3379 | |
3790 | |
3380 | EV_FREQUENT_CHECK; |
3791 | EV_FREQUENT_CHECK; |
3381 | |
3792 | |
3382 | #if EV_USE_SIGNALFD |
3793 | #if EV_USE_SIGNALFD |
… | |
… | |
3442 | |
3853 | |
3443 | EV_FREQUENT_CHECK; |
3854 | EV_FREQUENT_CHECK; |
3444 | } |
3855 | } |
3445 | |
3856 | |
3446 | void noinline |
3857 | void noinline |
3447 | ev_signal_stop (EV_P_ ev_signal *w) |
3858 | ev_signal_stop (EV_P_ ev_signal *w) EV_THROW |
3448 | { |
3859 | { |
3449 | clear_pending (EV_A_ (W)w); |
3860 | clear_pending (EV_A_ (W)w); |
3450 | if (expect_false (!ev_is_active (w))) |
3861 | if (expect_false (!ev_is_active (w))) |
3451 | return; |
3862 | return; |
3452 | |
3863 | |
… | |
… | |
3483 | #endif |
3894 | #endif |
3484 | |
3895 | |
3485 | #if EV_CHILD_ENABLE |
3896 | #if EV_CHILD_ENABLE |
3486 | |
3897 | |
3487 | void |
3898 | void |
3488 | ev_child_start (EV_P_ ev_child *w) |
3899 | ev_child_start (EV_P_ ev_child *w) EV_THROW |
3489 | { |
3900 | { |
3490 | #if EV_MULTIPLICITY |
3901 | #if EV_MULTIPLICITY |
3491 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
3902 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
3492 | #endif |
3903 | #endif |
3493 | if (expect_false (ev_is_active (w))) |
3904 | if (expect_false (ev_is_active (w))) |
… | |
… | |
3500 | |
3911 | |
3501 | EV_FREQUENT_CHECK; |
3912 | EV_FREQUENT_CHECK; |
3502 | } |
3913 | } |
3503 | |
3914 | |
3504 | void |
3915 | void |
3505 | ev_child_stop (EV_P_ ev_child *w) |
3916 | ev_child_stop (EV_P_ ev_child *w) EV_THROW |
3506 | { |
3917 | { |
3507 | clear_pending (EV_A_ (W)w); |
3918 | clear_pending (EV_A_ (W)w); |
3508 | if (expect_false (!ev_is_active (w))) |
3919 | if (expect_false (!ev_is_active (w))) |
3509 | return; |
3920 | return; |
3510 | |
3921 | |
… | |
… | |
3537 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
3948 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
3538 | |
3949 | |
3539 | static void noinline |
3950 | static void noinline |
3540 | infy_add (EV_P_ ev_stat *w) |
3951 | infy_add (EV_P_ ev_stat *w) |
3541 | { |
3952 | { |
3542 | 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); |
3953 | w->wd = inotify_add_watch (fs_fd, w->path, |
|
|
3954 | IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY |
|
|
3955 | | IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO |
|
|
3956 | | IN_DONT_FOLLOW | IN_MASK_ADD); |
3543 | |
3957 | |
3544 | if (w->wd >= 0) |
3958 | if (w->wd >= 0) |
3545 | { |
3959 | { |
3546 | struct statfs sfs; |
3960 | struct statfs sfs; |
3547 | |
3961 | |
… | |
… | |
3551 | |
3965 | |
3552 | if (!fs_2625) |
3966 | if (!fs_2625) |
3553 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
3967 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
3554 | else if (!statfs (w->path, &sfs) |
3968 | else if (!statfs (w->path, &sfs) |
3555 | && (sfs.f_type == 0x1373 /* devfs */ |
3969 | && (sfs.f_type == 0x1373 /* devfs */ |
|
|
3970 | || sfs.f_type == 0x4006 /* fat */ |
|
|
3971 | || sfs.f_type == 0x4d44 /* msdos */ |
3556 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
3972 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
3973 | || sfs.f_type == 0x72b6 /* jffs2 */ |
|
|
3974 | || sfs.f_type == 0x858458f6 /* ramfs */ |
|
|
3975 | || sfs.f_type == 0x5346544e /* ntfs */ |
3557 | || sfs.f_type == 0x3153464a /* jfs */ |
3976 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
3977 | || sfs.f_type == 0x9123683e /* btrfs */ |
3558 | || sfs.f_type == 0x52654973 /* reiser3 */ |
3978 | || sfs.f_type == 0x52654973 /* reiser3 */ |
3559 | || sfs.f_type == 0x01021994 /* tempfs */ |
3979 | || sfs.f_type == 0x01021994 /* tmpfs */ |
3560 | || sfs.f_type == 0x58465342 /* xfs */)) |
3980 | || sfs.f_type == 0x58465342 /* xfs */)) |
3561 | w->timer.repeat = 0.; /* filesystem is local, kernel new enough */ |
3981 | w->timer.repeat = 0.; /* filesystem is local, kernel new enough */ |
3562 | else |
3982 | else |
3563 | w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */ |
3983 | w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */ |
3564 | } |
3984 | } |
… | |
… | |
3677 | } |
4097 | } |
3678 | |
4098 | |
3679 | inline_size int |
4099 | inline_size int |
3680 | infy_newfd (void) |
4100 | infy_newfd (void) |
3681 | { |
4101 | { |
3682 | #if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) |
4102 | #if defined IN_CLOEXEC && defined IN_NONBLOCK |
3683 | int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); |
4103 | int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); |
3684 | if (fd >= 0) |
4104 | if (fd >= 0) |
3685 | return fd; |
4105 | return fd; |
3686 | #endif |
4106 | #endif |
3687 | return inotify_init (); |
4107 | return inotify_init (); |
… | |
… | |
3762 | #else |
4182 | #else |
3763 | # define EV_LSTAT(p,b) lstat (p, b) |
4183 | # define EV_LSTAT(p,b) lstat (p, b) |
3764 | #endif |
4184 | #endif |
3765 | |
4185 | |
3766 | void |
4186 | void |
3767 | ev_stat_stat (EV_P_ ev_stat *w) |
4187 | ev_stat_stat (EV_P_ ev_stat *w) EV_THROW |
3768 | { |
4188 | { |
3769 | if (lstat (w->path, &w->attr) < 0) |
4189 | if (lstat (w->path, &w->attr) < 0) |
3770 | w->attr.st_nlink = 0; |
4190 | w->attr.st_nlink = 0; |
3771 | else if (!w->attr.st_nlink) |
4191 | else if (!w->attr.st_nlink) |
3772 | w->attr.st_nlink = 1; |
4192 | w->attr.st_nlink = 1; |
… | |
… | |
3811 | ev_feed_event (EV_A_ w, EV_STAT); |
4231 | ev_feed_event (EV_A_ w, EV_STAT); |
3812 | } |
4232 | } |
3813 | } |
4233 | } |
3814 | |
4234 | |
3815 | void |
4235 | void |
3816 | ev_stat_start (EV_P_ ev_stat *w) |
4236 | ev_stat_start (EV_P_ ev_stat *w) EV_THROW |
3817 | { |
4237 | { |
3818 | if (expect_false (ev_is_active (w))) |
4238 | if (expect_false (ev_is_active (w))) |
3819 | return; |
4239 | return; |
3820 | |
4240 | |
3821 | ev_stat_stat (EV_A_ w); |
4241 | ev_stat_stat (EV_A_ w); |
… | |
… | |
3842 | |
4262 | |
3843 | EV_FREQUENT_CHECK; |
4263 | EV_FREQUENT_CHECK; |
3844 | } |
4264 | } |
3845 | |
4265 | |
3846 | void |
4266 | void |
3847 | ev_stat_stop (EV_P_ ev_stat *w) |
4267 | ev_stat_stop (EV_P_ ev_stat *w) EV_THROW |
3848 | { |
4268 | { |
3849 | clear_pending (EV_A_ (W)w); |
4269 | clear_pending (EV_A_ (W)w); |
3850 | if (expect_false (!ev_is_active (w))) |
4270 | if (expect_false (!ev_is_active (w))) |
3851 | return; |
4271 | return; |
3852 | |
4272 | |
… | |
… | |
3868 | } |
4288 | } |
3869 | #endif |
4289 | #endif |
3870 | |
4290 | |
3871 | #if EV_IDLE_ENABLE |
4291 | #if EV_IDLE_ENABLE |
3872 | void |
4292 | void |
3873 | ev_idle_start (EV_P_ ev_idle *w) |
4293 | ev_idle_start (EV_P_ ev_idle *w) EV_THROW |
3874 | { |
4294 | { |
3875 | if (expect_false (ev_is_active (w))) |
4295 | if (expect_false (ev_is_active (w))) |
3876 | return; |
4296 | return; |
3877 | |
4297 | |
3878 | pri_adjust (EV_A_ (W)w); |
4298 | pri_adjust (EV_A_ (W)w); |
… | |
… | |
3891 | |
4311 | |
3892 | EV_FREQUENT_CHECK; |
4312 | EV_FREQUENT_CHECK; |
3893 | } |
4313 | } |
3894 | |
4314 | |
3895 | void |
4315 | void |
3896 | ev_idle_stop (EV_P_ ev_idle *w) |
4316 | ev_idle_stop (EV_P_ ev_idle *w) EV_THROW |
3897 | { |
4317 | { |
3898 | clear_pending (EV_A_ (W)w); |
4318 | clear_pending (EV_A_ (W)w); |
3899 | if (expect_false (!ev_is_active (w))) |
4319 | if (expect_false (!ev_is_active (w))) |
3900 | return; |
4320 | return; |
3901 | |
4321 | |
… | |
… | |
3915 | } |
4335 | } |
3916 | #endif |
4336 | #endif |
3917 | |
4337 | |
3918 | #if EV_PREPARE_ENABLE |
4338 | #if EV_PREPARE_ENABLE |
3919 | void |
4339 | void |
3920 | ev_prepare_start (EV_P_ ev_prepare *w) |
4340 | ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW |
3921 | { |
4341 | { |
3922 | if (expect_false (ev_is_active (w))) |
4342 | if (expect_false (ev_is_active (w))) |
3923 | return; |
4343 | return; |
3924 | |
4344 | |
3925 | EV_FREQUENT_CHECK; |
4345 | EV_FREQUENT_CHECK; |
… | |
… | |
3930 | |
4350 | |
3931 | EV_FREQUENT_CHECK; |
4351 | EV_FREQUENT_CHECK; |
3932 | } |
4352 | } |
3933 | |
4353 | |
3934 | void |
4354 | void |
3935 | ev_prepare_stop (EV_P_ ev_prepare *w) |
4355 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW |
3936 | { |
4356 | { |
3937 | clear_pending (EV_A_ (W)w); |
4357 | clear_pending (EV_A_ (W)w); |
3938 | if (expect_false (!ev_is_active (w))) |
4358 | if (expect_false (!ev_is_active (w))) |
3939 | return; |
4359 | return; |
3940 | |
4360 | |
… | |
… | |
3953 | } |
4373 | } |
3954 | #endif |
4374 | #endif |
3955 | |
4375 | |
3956 | #if EV_CHECK_ENABLE |
4376 | #if EV_CHECK_ENABLE |
3957 | void |
4377 | void |
3958 | ev_check_start (EV_P_ ev_check *w) |
4378 | ev_check_start (EV_P_ ev_check *w) EV_THROW |
3959 | { |
4379 | { |
3960 | if (expect_false (ev_is_active (w))) |
4380 | if (expect_false (ev_is_active (w))) |
3961 | return; |
4381 | return; |
3962 | |
4382 | |
3963 | EV_FREQUENT_CHECK; |
4383 | EV_FREQUENT_CHECK; |
… | |
… | |
3968 | |
4388 | |
3969 | EV_FREQUENT_CHECK; |
4389 | EV_FREQUENT_CHECK; |
3970 | } |
4390 | } |
3971 | |
4391 | |
3972 | void |
4392 | void |
3973 | ev_check_stop (EV_P_ ev_check *w) |
4393 | ev_check_stop (EV_P_ ev_check *w) EV_THROW |
3974 | { |
4394 | { |
3975 | clear_pending (EV_A_ (W)w); |
4395 | clear_pending (EV_A_ (W)w); |
3976 | if (expect_false (!ev_is_active (w))) |
4396 | if (expect_false (!ev_is_active (w))) |
3977 | return; |
4397 | return; |
3978 | |
4398 | |
… | |
… | |
3991 | } |
4411 | } |
3992 | #endif |
4412 | #endif |
3993 | |
4413 | |
3994 | #if EV_EMBED_ENABLE |
4414 | #if EV_EMBED_ENABLE |
3995 | void noinline |
4415 | void noinline |
3996 | ev_embed_sweep (EV_P_ ev_embed *w) |
4416 | ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW |
3997 | { |
4417 | { |
3998 | ev_run (w->other, EVRUN_NOWAIT); |
4418 | ev_run (w->other, EVRUN_NOWAIT); |
3999 | } |
4419 | } |
4000 | |
4420 | |
4001 | static void |
4421 | static void |
… | |
… | |
4049 | ev_idle_stop (EV_A_ idle); |
4469 | ev_idle_stop (EV_A_ idle); |
4050 | } |
4470 | } |
4051 | #endif |
4471 | #endif |
4052 | |
4472 | |
4053 | void |
4473 | void |
4054 | ev_embed_start (EV_P_ ev_embed *w) |
4474 | ev_embed_start (EV_P_ ev_embed *w) EV_THROW |
4055 | { |
4475 | { |
4056 | if (expect_false (ev_is_active (w))) |
4476 | if (expect_false (ev_is_active (w))) |
4057 | return; |
4477 | return; |
4058 | |
4478 | |
4059 | { |
4479 | { |
… | |
… | |
4080 | |
4500 | |
4081 | EV_FREQUENT_CHECK; |
4501 | EV_FREQUENT_CHECK; |
4082 | } |
4502 | } |
4083 | |
4503 | |
4084 | void |
4504 | void |
4085 | ev_embed_stop (EV_P_ ev_embed *w) |
4505 | ev_embed_stop (EV_P_ ev_embed *w) EV_THROW |
4086 | { |
4506 | { |
4087 | clear_pending (EV_A_ (W)w); |
4507 | clear_pending (EV_A_ (W)w); |
4088 | if (expect_false (!ev_is_active (w))) |
4508 | if (expect_false (!ev_is_active (w))) |
4089 | return; |
4509 | return; |
4090 | |
4510 | |
… | |
… | |
4100 | } |
4520 | } |
4101 | #endif |
4521 | #endif |
4102 | |
4522 | |
4103 | #if EV_FORK_ENABLE |
4523 | #if EV_FORK_ENABLE |
4104 | void |
4524 | void |
4105 | ev_fork_start (EV_P_ ev_fork *w) |
4525 | ev_fork_start (EV_P_ ev_fork *w) EV_THROW |
4106 | { |
4526 | { |
4107 | if (expect_false (ev_is_active (w))) |
4527 | if (expect_false (ev_is_active (w))) |
4108 | return; |
4528 | return; |
4109 | |
4529 | |
4110 | EV_FREQUENT_CHECK; |
4530 | EV_FREQUENT_CHECK; |
… | |
… | |
4115 | |
4535 | |
4116 | EV_FREQUENT_CHECK; |
4536 | EV_FREQUENT_CHECK; |
4117 | } |
4537 | } |
4118 | |
4538 | |
4119 | void |
4539 | void |
4120 | ev_fork_stop (EV_P_ ev_fork *w) |
4540 | ev_fork_stop (EV_P_ ev_fork *w) EV_THROW |
4121 | { |
4541 | { |
4122 | clear_pending (EV_A_ (W)w); |
4542 | clear_pending (EV_A_ (W)w); |
4123 | if (expect_false (!ev_is_active (w))) |
4543 | if (expect_false (!ev_is_active (w))) |
4124 | return; |
4544 | return; |
4125 | |
4545 | |
… | |
… | |
4138 | } |
4558 | } |
4139 | #endif |
4559 | #endif |
4140 | |
4560 | |
4141 | #if EV_CLEANUP_ENABLE |
4561 | #if EV_CLEANUP_ENABLE |
4142 | void |
4562 | void |
4143 | ev_cleanup_start (EV_P_ ev_cleanup *w) |
4563 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW |
4144 | { |
4564 | { |
4145 | if (expect_false (ev_is_active (w))) |
4565 | if (expect_false (ev_is_active (w))) |
4146 | return; |
4566 | return; |
4147 | |
4567 | |
4148 | EV_FREQUENT_CHECK; |
4568 | EV_FREQUENT_CHECK; |
… | |
… | |
4155 | ev_unref (EV_A); |
4575 | ev_unref (EV_A); |
4156 | EV_FREQUENT_CHECK; |
4576 | EV_FREQUENT_CHECK; |
4157 | } |
4577 | } |
4158 | |
4578 | |
4159 | void |
4579 | void |
4160 | ev_cleanup_stop (EV_P_ ev_cleanup *w) |
4580 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW |
4161 | { |
4581 | { |
4162 | clear_pending (EV_A_ (W)w); |
4582 | clear_pending (EV_A_ (W)w); |
4163 | if (expect_false (!ev_is_active (w))) |
4583 | if (expect_false (!ev_is_active (w))) |
4164 | return; |
4584 | return; |
4165 | |
4585 | |
… | |
… | |
4179 | } |
4599 | } |
4180 | #endif |
4600 | #endif |
4181 | |
4601 | |
4182 | #if EV_ASYNC_ENABLE |
4602 | #if EV_ASYNC_ENABLE |
4183 | void |
4603 | void |
4184 | ev_async_start (EV_P_ ev_async *w) |
4604 | ev_async_start (EV_P_ ev_async *w) EV_THROW |
4185 | { |
4605 | { |
4186 | if (expect_false (ev_is_active (w))) |
4606 | if (expect_false (ev_is_active (w))) |
4187 | return; |
4607 | return; |
4188 | |
4608 | |
4189 | w->sent = 0; |
4609 | w->sent = 0; |
… | |
… | |
4198 | |
4618 | |
4199 | EV_FREQUENT_CHECK; |
4619 | EV_FREQUENT_CHECK; |
4200 | } |
4620 | } |
4201 | |
4621 | |
4202 | void |
4622 | void |
4203 | ev_async_stop (EV_P_ ev_async *w) |
4623 | ev_async_stop (EV_P_ ev_async *w) EV_THROW |
4204 | { |
4624 | { |
4205 | clear_pending (EV_A_ (W)w); |
4625 | clear_pending (EV_A_ (W)w); |
4206 | if (expect_false (!ev_is_active (w))) |
4626 | if (expect_false (!ev_is_active (w))) |
4207 | return; |
4627 | return; |
4208 | |
4628 | |
… | |
… | |
4219 | |
4639 | |
4220 | EV_FREQUENT_CHECK; |
4640 | EV_FREQUENT_CHECK; |
4221 | } |
4641 | } |
4222 | |
4642 | |
4223 | void |
4643 | void |
4224 | ev_async_send (EV_P_ ev_async *w) |
4644 | ev_async_send (EV_P_ ev_async *w) EV_THROW |
4225 | { |
4645 | { |
4226 | w->sent = 1; |
4646 | w->sent = 1; |
4227 | evpipe_write (EV_A_ &async_pending); |
4647 | evpipe_write (EV_A_ &async_pending); |
4228 | } |
4648 | } |
4229 | #endif |
4649 | #endif |
… | |
… | |
4266 | |
4686 | |
4267 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
4687 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
4268 | } |
4688 | } |
4269 | |
4689 | |
4270 | void |
4690 | void |
4271 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
4691 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW |
4272 | { |
4692 | { |
4273 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
4693 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
4274 | |
4694 | |
4275 | if (expect_false (!once)) |
4695 | if (expect_false (!once)) |
4276 | { |
4696 | { |
… | |
… | |
4298 | |
4718 | |
4299 | /*****************************************************************************/ |
4719 | /*****************************************************************************/ |
4300 | |
4720 | |
4301 | #if EV_WALK_ENABLE |
4721 | #if EV_WALK_ENABLE |
4302 | void ecb_cold |
4722 | void ecb_cold |
4303 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) |
4723 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW |
4304 | { |
4724 | { |
4305 | int i, j; |
4725 | int i, j; |
4306 | ev_watcher_list *wl, *wn; |
4726 | ev_watcher_list *wl, *wn; |
4307 | |
4727 | |
4308 | if (types & (EV_IO | EV_EMBED)) |
4728 | if (types & (EV_IO | EV_EMBED)) |