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 |
… | |
… | |
348 | #endif |
360 | #endif |
349 | |
361 | |
350 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
362 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
351 | /* which makes programs even slower. might work on other unices, too. */ |
363 | /* which makes programs even slower. might work on other unices, too. */ |
352 | #if EV_USE_CLOCK_SYSCALL |
364 | #if EV_USE_CLOCK_SYSCALL |
353 | # include <syscall.h> |
365 | # include <sys/syscall.h> |
354 | # ifdef SYS_clock_gettime |
366 | # ifdef SYS_clock_gettime |
355 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
367 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
356 | # undef EV_USE_MONOTONIC |
368 | # undef EV_USE_MONOTONIC |
357 | # define EV_USE_MONOTONIC 1 |
369 | # define EV_USE_MONOTONIC 1 |
358 | # else |
370 | # else |
… | |
… | |
384 | # define EV_USE_INOTIFY 0 |
396 | # define EV_USE_INOTIFY 0 |
385 | #endif |
397 | #endif |
386 | |
398 | |
387 | #if !EV_USE_NANOSLEEP |
399 | #if !EV_USE_NANOSLEEP |
388 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
400 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
389 | # if !defined(_WIN32) && !defined(__hpux) |
401 | # if !defined _WIN32 && !defined __hpux |
390 | # include <sys/select.h> |
402 | # include <sys/select.h> |
391 | # endif |
403 | # endif |
392 | #endif |
404 | #endif |
393 | |
405 | |
394 | #if EV_USE_INOTIFY |
406 | #if EV_USE_INOTIFY |
… | |
… | |
397 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
409 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
398 | # ifndef IN_DONT_FOLLOW |
410 | # ifndef IN_DONT_FOLLOW |
399 | # undef EV_USE_INOTIFY |
411 | # undef EV_USE_INOTIFY |
400 | # define EV_USE_INOTIFY 0 |
412 | # define EV_USE_INOTIFY 0 |
401 | # endif |
413 | # endif |
402 | #endif |
|
|
403 | |
|
|
404 | #if EV_SELECT_IS_WINSOCKET |
|
|
405 | # include <winsock.h> |
|
|
406 | #endif |
414 | #endif |
407 | |
415 | |
408 | #if EV_USE_EVENTFD |
416 | #if EV_USE_EVENTFD |
409 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
417 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
410 | # include <stdint.h> |
418 | # include <stdint.h> |
… | |
… | |
467 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
475 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
468 | /* ECB.H BEGIN */ |
476 | /* ECB.H BEGIN */ |
469 | /* |
477 | /* |
470 | * libecb - http://software.schmorp.de/pkg/libecb |
478 | * libecb - http://software.schmorp.de/pkg/libecb |
471 | * |
479 | * |
472 | * Copyright (©) 2009-2011 Marc Alexander Lehmann <libecb@schmorp.de> |
480 | * Copyright (©) 2009-2012 Marc Alexander Lehmann <libecb@schmorp.de> |
473 | * Copyright (©) 2011 Emanuele Giaquinta |
481 | * Copyright (©) 2011 Emanuele Giaquinta |
474 | * All rights reserved. |
482 | * All rights reserved. |
475 | * |
483 | * |
476 | * Redistribution and use in source and binary forms, with or without modifica- |
484 | * Redistribution and use in source and binary forms, with or without modifica- |
477 | * tion, are permitted provided that the following conditions are met: |
485 | * tion, are permitted provided that the following conditions are met: |
… | |
… | |
496 | */ |
504 | */ |
497 | |
505 | |
498 | #ifndef ECB_H |
506 | #ifndef ECB_H |
499 | #define ECB_H |
507 | #define ECB_H |
500 | |
508 | |
|
|
509 | /* 16 bits major, 16 bits minor */ |
|
|
510 | #define ECB_VERSION 0x00010002 |
|
|
511 | |
501 | #ifdef _WIN32 |
512 | #ifdef _WIN32 |
502 | typedef signed char int8_t; |
513 | typedef signed char int8_t; |
503 | typedef unsigned char uint8_t; |
514 | typedef unsigned char uint8_t; |
504 | typedef signed short int16_t; |
515 | typedef signed short int16_t; |
505 | typedef unsigned short uint16_t; |
516 | typedef unsigned short uint16_t; |
… | |
… | |
510 | typedef unsigned long long uint64_t; |
521 | typedef unsigned long long uint64_t; |
511 | #else /* _MSC_VER || __BORLANDC__ */ |
522 | #else /* _MSC_VER || __BORLANDC__ */ |
512 | typedef signed __int64 int64_t; |
523 | typedef signed __int64 int64_t; |
513 | typedef unsigned __int64 uint64_t; |
524 | typedef unsigned __int64 uint64_t; |
514 | #endif |
525 | #endif |
|
|
526 | #ifdef _WIN64 |
|
|
527 | #define ECB_PTRSIZE 8 |
|
|
528 | typedef uint64_t uintptr_t; |
|
|
529 | typedef int64_t intptr_t; |
|
|
530 | #else |
|
|
531 | #define ECB_PTRSIZE 4 |
|
|
532 | typedef uint32_t uintptr_t; |
|
|
533 | typedef int32_t intptr_t; |
|
|
534 | #endif |
515 | #else |
535 | #else |
516 | #include <inttypes.h> |
536 | #include <inttypes.h> |
|
|
537 | #if UINTMAX_MAX > 0xffffffffU |
|
|
538 | #define ECB_PTRSIZE 8 |
|
|
539 | #else |
|
|
540 | #define ECB_PTRSIZE 4 |
|
|
541 | #endif |
517 | #endif |
542 | #endif |
518 | |
543 | |
519 | /* many compilers define _GNUC_ to some versions but then only implement |
544 | /* many compilers define _GNUC_ to some versions but then only implement |
520 | * what their idiot authors think are the "more important" extensions, |
545 | * what their idiot authors think are the "more important" extensions, |
521 | * causing enormous grief in return for some better fake benchmark numbers. |
546 | * causing enormous grief in return for some better fake benchmark numbers. |
522 | * or so. |
547 | * or so. |
523 | * we try to detect these and simply assume they are not gcc - if they have |
548 | * 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. |
549 | * an issue with that they should have done it right in the first place. |
525 | */ |
550 | */ |
526 | #ifndef ECB_GCC_VERSION |
551 | #ifndef ECB_GCC_VERSION |
527 | #if !defined(__GNUC_MINOR__) || defined(__INTEL_COMPILER) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) || defined(__llvm__) || defined(__clang__) |
552 | #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 |
553 | #define ECB_GCC_VERSION(major,minor) 0 |
529 | #else |
554 | #else |
530 | #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) |
555 | #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) |
531 | #endif |
556 | #endif |
532 | #endif |
557 | #endif |
533 | |
558 | |
|
|
559 | #define ECB_C (__STDC__+0) /* this assumes that __STDC__ is either empty or a number */ |
|
|
560 | #define ECB_C99 (__STDC_VERSION__ >= 199901L) |
|
|
561 | #define ECB_C11 (__STDC_VERSION__ >= 201112L) |
|
|
562 | #define ECB_CPP (__cplusplus+0) |
|
|
563 | #define ECB_CPP11 (__cplusplus >= 201103L) |
|
|
564 | |
|
|
565 | #if ECB_CPP |
|
|
566 | #define ECB_EXTERN_C extern "C" |
|
|
567 | #define ECB_EXTERN_C_BEG ECB_EXTERN_C { |
|
|
568 | #define ECB_EXTERN_C_END } |
|
|
569 | #else |
|
|
570 | #define ECB_EXTERN_C extern |
|
|
571 | #define ECB_EXTERN_C_BEG |
|
|
572 | #define ECB_EXTERN_C_END |
|
|
573 | #endif |
|
|
574 | |
534 | /*****************************************************************************/ |
575 | /*****************************************************************************/ |
535 | |
576 | |
536 | /* ECB_NO_THREADS - ecb is not used by multiple threads, ever */ |
577 | /* 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 */ |
578 | /* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */ |
538 | |
579 | |
539 | #if ECB_NO_THREADS || ECB_NO_SMP |
580 | #if ECB_NO_THREADS |
|
|
581 | #define ECB_NO_SMP 1 |
|
|
582 | #endif |
|
|
583 | |
|
|
584 | #if ECB_NO_SMP |
540 | #define ECB_MEMORY_FENCE do { } while (0) |
585 | #define ECB_MEMORY_FENCE do { } while (0) |
541 | #endif |
586 | #endif |
542 | |
587 | |
543 | #ifndef ECB_MEMORY_FENCE |
588 | #ifndef ECB_MEMORY_FENCE |
544 | #if ECB_GCC_VERSION(2,5) || defined(__INTEL_COMPILER) || defined(__clang__) |
589 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
545 | #if __i386__ |
590 | #if __i386 || __i386__ |
546 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
591 | #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 */ |
592 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
548 | #define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */ |
593 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
549 | #elif __amd64 |
594 | #elif __amd64 || __amd64__ || __x86_64 || __x86_64__ |
550 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
595 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
551 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory") |
596 | #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 */ |
597 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
553 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
598 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
554 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
599 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
555 | #elif defined(__ARM_ARCH_6__ ) || defined(__ARM_ARCH_6J__ ) \ |
600 | #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \ |
556 | || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6ZK__) |
601 | || 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") |
602 | #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__ ) \ |
603 | #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \ |
559 | || defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7R__ ) |
604 | || defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__ |
560 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") |
605 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") |
|
|
606 | #elif __sparc || __sparc__ |
|
|
607 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory") |
|
|
608 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") |
|
|
609 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") |
|
|
610 | #elif defined __s390__ || defined __s390x__ |
|
|
611 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") |
|
|
612 | #elif defined __mips__ |
|
|
613 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
|
|
614 | #elif defined __alpha__ |
|
|
615 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory") |
|
|
616 | #elif defined __hppa__ |
|
|
617 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory") |
|
|
618 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
|
|
619 | #elif defined __ia64__ |
|
|
620 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory") |
561 | #endif |
621 | #endif |
562 | #endif |
622 | #endif |
563 | #endif |
623 | #endif |
564 | |
624 | |
565 | #ifndef ECB_MEMORY_FENCE |
625 | #ifndef ECB_MEMORY_FENCE |
|
|
626 | #if ECB_GCC_VERSION(4,7) |
|
|
627 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
|
|
628 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
|
|
629 | |
|
|
630 | /* The __has_feature syntax from clang is so misdesigned that we cannot use it |
|
|
631 | * without risking compile time errors with other compilers. We *could* |
|
|
632 | * define our own ecb_clang_has_feature, but I just can't be bothered to work |
|
|
633 | * around this shit time and again. |
|
|
634 | * #elif defined __clang && __has_feature (cxx_atomic) |
|
|
635 | * // see comment below (stdatomic.h) about the C11 memory model. |
|
|
636 | * #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
|
|
637 | */ |
|
|
638 | |
566 | #if ECB_GCC_VERSION(4,4) || defined(__INTEL_COMPILER) || defined(__clang__) |
639 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
567 | #define ECB_MEMORY_FENCE __sync_synchronize () |
640 | #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 */ |
641 | #elif _MSC_VER >= 1400 /* VC++ 2005 */ |
571 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
642 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
572 | #define ECB_MEMORY_FENCE _ReadWriteBarrier () |
643 | #define ECB_MEMORY_FENCE _ReadWriteBarrier () |
573 | #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */ |
644 | #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */ |
574 | #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () |
645 | #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () |
575 | #elif defined(_WIN32) |
646 | #elif defined _WIN32 |
576 | #include <WinNT.h> |
647 | #include <WinNT.h> |
577 | #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ |
648 | #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ |
|
|
649 | #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
|
|
650 | #include <mbarrier.h> |
|
|
651 | #define ECB_MEMORY_FENCE __machine_rw_barrier () |
|
|
652 | #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier () |
|
|
653 | #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier () |
|
|
654 | #elif __xlC__ |
|
|
655 | #define ECB_MEMORY_FENCE __sync () |
|
|
656 | #endif |
|
|
657 | #endif |
|
|
658 | |
|
|
659 | #ifndef ECB_MEMORY_FENCE |
|
|
660 | #if ECB_C11 && !defined __STDC_NO_ATOMICS__ |
|
|
661 | /* we assume that these memory fences work on all variables/all memory accesses, */ |
|
|
662 | /* not just C11 atomics and atomic accesses */ |
|
|
663 | #include <stdatomic.h> |
|
|
664 | /* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */ |
|
|
665 | /* any fence other than seq_cst, which isn't very efficient for us. */ |
|
|
666 | /* Why that is, we don't know - either the C11 memory model is quite useless */ |
|
|
667 | /* for most usages, or gcc and clang have a bug */ |
|
|
668 | /* I *currently* lean towards the latter, and inefficiently implement */ |
|
|
669 | /* all three of ecb's fences as a seq_cst fence */ |
|
|
670 | #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst) |
578 | #endif |
671 | #endif |
579 | #endif |
672 | #endif |
580 | |
673 | |
581 | #ifndef ECB_MEMORY_FENCE |
674 | #ifndef ECB_MEMORY_FENCE |
582 | #if !ECB_AVOID_PTHREADS |
675 | #if !ECB_AVOID_PTHREADS |
… | |
… | |
594 | static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER; |
687 | 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) |
688 | #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0) |
596 | #endif |
689 | #endif |
597 | #endif |
690 | #endif |
598 | |
691 | |
599 | #if !defined(ECB_MEMORY_FENCE_ACQUIRE) && defined(ECB_MEMORY_FENCE) |
692 | #if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE |
600 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
693 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
601 | #endif |
694 | #endif |
602 | |
695 | |
603 | #if !defined(ECB_MEMORY_FENCE_RELEASE) && defined(ECB_MEMORY_FENCE) |
696 | #if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE |
604 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
697 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
605 | #endif |
698 | #endif |
606 | |
699 | |
607 | /*****************************************************************************/ |
700 | /*****************************************************************************/ |
608 | |
|
|
609 | #define ECB_C99 (__STDC_VERSION__ >= 199901L) |
|
|
610 | |
701 | |
611 | #if __cplusplus |
702 | #if __cplusplus |
612 | #define ecb_inline static inline |
703 | #define ecb_inline static inline |
613 | #elif ECB_GCC_VERSION(2,5) |
704 | #elif ECB_GCC_VERSION(2,5) |
614 | #define ecb_inline static __inline__ |
705 | #define ecb_inline static __inline__ |
… | |
… | |
653 | #elif ECB_GCC_VERSION(3,0) |
744 | #elif ECB_GCC_VERSION(3,0) |
654 | #define ecb_decltype(x) __typeof(x) |
745 | #define ecb_decltype(x) __typeof(x) |
655 | #endif |
746 | #endif |
656 | |
747 | |
657 | #define ecb_noinline ecb_attribute ((__noinline__)) |
748 | #define ecb_noinline ecb_attribute ((__noinline__)) |
658 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
|
|
659 | #define ecb_unused ecb_attribute ((__unused__)) |
749 | #define ecb_unused ecb_attribute ((__unused__)) |
660 | #define ecb_const ecb_attribute ((__const__)) |
750 | #define ecb_const ecb_attribute ((__const__)) |
661 | #define ecb_pure ecb_attribute ((__pure__)) |
751 | #define ecb_pure ecb_attribute ((__pure__)) |
|
|
752 | |
|
|
753 | #if ECB_C11 |
|
|
754 | #define ecb_noreturn _Noreturn |
|
|
755 | #else |
|
|
756 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
|
|
757 | #endif |
662 | |
758 | |
663 | #if ECB_GCC_VERSION(4,3) |
759 | #if ECB_GCC_VERSION(4,3) |
664 | #define ecb_artificial ecb_attribute ((__artificial__)) |
760 | #define ecb_artificial ecb_attribute ((__artificial__)) |
665 | #define ecb_hot ecb_attribute ((__hot__)) |
761 | #define ecb_hot ecb_attribute ((__hot__)) |
666 | #define ecb_cold ecb_attribute ((__cold__)) |
762 | #define ecb_cold ecb_attribute ((__cold__)) |
… | |
… | |
757 | |
853 | |
758 | return r + ecb_ld32 (x); |
854 | return r + ecb_ld32 (x); |
759 | } |
855 | } |
760 | #endif |
856 | #endif |
761 | |
857 | |
|
|
858 | ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const; |
|
|
859 | ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); } |
|
|
860 | ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const; |
|
|
861 | ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); } |
|
|
862 | |
|
|
863 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const; |
|
|
864 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) |
|
|
865 | { |
|
|
866 | return ( (x * 0x0802U & 0x22110U) |
|
|
867 | | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16; |
|
|
868 | } |
|
|
869 | |
|
|
870 | ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const; |
|
|
871 | ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) |
|
|
872 | { |
|
|
873 | x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1); |
|
|
874 | x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2); |
|
|
875 | x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4); |
|
|
876 | x = ( x >> 8 ) | ( x << 8); |
|
|
877 | |
|
|
878 | return x; |
|
|
879 | } |
|
|
880 | |
|
|
881 | ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const; |
|
|
882 | ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) |
|
|
883 | { |
|
|
884 | x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1); |
|
|
885 | x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2); |
|
|
886 | x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4); |
|
|
887 | x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8); |
|
|
888 | x = ( x >> 16 ) | ( x << 16); |
|
|
889 | |
|
|
890 | return x; |
|
|
891 | } |
|
|
892 | |
762 | /* popcount64 is only available on 64 bit cpus as gcc builtin */ |
893 | /* popcount64 is only available on 64 bit cpus as gcc builtin */ |
763 | /* so for this version we are lazy */ |
894 | /* so for this version we are lazy */ |
764 | ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const; |
895 | ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const; |
765 | ecb_function_ int |
896 | ecb_function_ int |
766 | ecb_popcount64 (uint64_t x) |
897 | ecb_popcount64 (uint64_t x) |
… | |
… | |
815 | |
946 | |
816 | #if ECB_GCC_VERSION(4,5) |
947 | #if ECB_GCC_VERSION(4,5) |
817 | #define ecb_unreachable() __builtin_unreachable () |
948 | #define ecb_unreachable() __builtin_unreachable () |
818 | #else |
949 | #else |
819 | /* this seems to work fine, but gcc always emits a warning for it :/ */ |
950 | /* this seems to work fine, but gcc always emits a warning for it :/ */ |
820 | ecb_function_ void ecb_unreachable (void) ecb_noreturn; |
951 | ecb_inline void ecb_unreachable (void) ecb_noreturn; |
821 | ecb_function_ void ecb_unreachable (void) { } |
952 | ecb_inline void ecb_unreachable (void) { } |
822 | #endif |
953 | #endif |
823 | |
954 | |
824 | /* try to tell the compiler that some condition is definitely true */ |
955 | /* try to tell the compiler that some condition is definitely true */ |
825 | #define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0) |
956 | #define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0 |
826 | |
957 | |
827 | ecb_function_ unsigned char ecb_byteorder_helper (void) ecb_const; |
958 | ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const; |
828 | ecb_function_ unsigned char |
959 | ecb_inline unsigned char |
829 | ecb_byteorder_helper (void) |
960 | ecb_byteorder_helper (void) |
830 | { |
961 | { |
831 | const uint32_t u = 0x11223344; |
962 | /* the union code still generates code under pressure in gcc, */ |
832 | return *(unsigned char *)&u; |
963 | /* but less than using pointers, and always seems to */ |
|
|
964 | /* successfully return a constant. */ |
|
|
965 | /* the reason why we have this horrible preprocessor mess */ |
|
|
966 | /* is to avoid it in all cases, at least on common architectures */ |
|
|
967 | /* or when using a recent enough gcc version (>= 4.6) */ |
|
|
968 | #if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64 |
|
|
969 | return 0x44; |
|
|
970 | #elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ |
|
|
971 | return 0x44; |
|
|
972 | #elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ |
|
|
973 | return 0x11; |
|
|
974 | #else |
|
|
975 | union |
|
|
976 | { |
|
|
977 | uint32_t i; |
|
|
978 | uint8_t c; |
|
|
979 | } u = { 0x11223344 }; |
|
|
980 | return u.c; |
|
|
981 | #endif |
833 | } |
982 | } |
834 | |
983 | |
835 | ecb_function_ ecb_bool ecb_big_endian (void) ecb_const; |
984 | ecb_inline ecb_bool ecb_big_endian (void) ecb_const; |
836 | ecb_function_ ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; } |
985 | ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; } |
837 | ecb_function_ ecb_bool ecb_little_endian (void) ecb_const; |
986 | ecb_inline ecb_bool ecb_little_endian (void) ecb_const; |
838 | ecb_function_ ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; } |
987 | ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; } |
839 | |
988 | |
840 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
989 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
841 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
990 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
842 | #else |
991 | #else |
843 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
992 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
… | |
… | |
868 | } |
1017 | } |
869 | #else |
1018 | #else |
870 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
1019 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
871 | #endif |
1020 | #endif |
872 | |
1021 | |
|
|
1022 | /*******************************************************************************/ |
|
|
1023 | /* floating point stuff, can be disabled by defining ECB_NO_LIBM */ |
|
|
1024 | |
|
|
1025 | /* basically, everything uses "ieee pure-endian" floating point numbers */ |
|
|
1026 | /* the only noteworthy exception is ancient armle, which uses order 43218765 */ |
|
|
1027 | #if 0 \ |
|
|
1028 | || __i386 || __i386__ \ |
|
|
1029 | || __amd64 || __amd64__ || __x86_64 || __x86_64__ \ |
|
|
1030 | || __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \ |
|
|
1031 | || defined __arm__ && defined __ARM_EABI__ \ |
|
|
1032 | || defined __s390__ || defined __s390x__ \ |
|
|
1033 | || defined __mips__ \ |
|
|
1034 | || defined __alpha__ \ |
|
|
1035 | || defined __hppa__ \ |
|
|
1036 | || defined __ia64__ \ |
|
|
1037 | || defined _M_IX86 || defined _M_AMD64 || defined _M_IA64 |
|
|
1038 | #define ECB_STDFP 1 |
|
|
1039 | #include <string.h> /* for memcpy */ |
|
|
1040 | #else |
|
|
1041 | #define ECB_STDFP 0 |
|
|
1042 | #include <math.h> /* for frexp*, ldexp* */ |
|
|
1043 | #endif |
|
|
1044 | |
|
|
1045 | #ifndef ECB_NO_LIBM |
|
|
1046 | |
|
|
1047 | /* convert a float to ieee single/binary32 */ |
|
|
1048 | ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const; |
|
|
1049 | ecb_function_ uint32_t |
|
|
1050 | ecb_float_to_binary32 (float x) |
|
|
1051 | { |
|
|
1052 | uint32_t r; |
|
|
1053 | |
|
|
1054 | #if ECB_STDFP |
|
|
1055 | memcpy (&r, &x, 4); |
|
|
1056 | #else |
|
|
1057 | /* slow emulation, works for anything but -0 */ |
|
|
1058 | uint32_t m; |
|
|
1059 | int e; |
|
|
1060 | |
|
|
1061 | if (x == 0e0f ) return 0x00000000U; |
|
|
1062 | if (x > +3.40282346638528860e+38f) return 0x7f800000U; |
|
|
1063 | if (x < -3.40282346638528860e+38f) return 0xff800000U; |
|
|
1064 | if (x != x ) return 0x7fbfffffU; |
|
|
1065 | |
|
|
1066 | m = frexpf (x, &e) * 0x1000000U; |
|
|
1067 | |
|
|
1068 | r = m & 0x80000000U; |
|
|
1069 | |
|
|
1070 | if (r) |
|
|
1071 | m = -m; |
|
|
1072 | |
|
|
1073 | if (e <= -126) |
|
|
1074 | { |
|
|
1075 | m &= 0xffffffU; |
|
|
1076 | m >>= (-125 - e); |
|
|
1077 | e = -126; |
|
|
1078 | } |
|
|
1079 | |
|
|
1080 | r |= (e + 126) << 23; |
|
|
1081 | r |= m & 0x7fffffU; |
|
|
1082 | #endif |
|
|
1083 | |
|
|
1084 | return r; |
|
|
1085 | } |
|
|
1086 | |
|
|
1087 | /* converts an ieee single/binary32 to a float */ |
|
|
1088 | ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const; |
|
|
1089 | ecb_function_ float |
|
|
1090 | ecb_binary32_to_float (uint32_t x) |
|
|
1091 | { |
|
|
1092 | float r; |
|
|
1093 | |
|
|
1094 | #if ECB_STDFP |
|
|
1095 | memcpy (&r, &x, 4); |
|
|
1096 | #else |
|
|
1097 | /* emulation, only works for normals and subnormals and +0 */ |
|
|
1098 | int neg = x >> 31; |
|
|
1099 | int e = (x >> 23) & 0xffU; |
|
|
1100 | |
|
|
1101 | x &= 0x7fffffU; |
|
|
1102 | |
|
|
1103 | if (e) |
|
|
1104 | x |= 0x800000U; |
|
|
1105 | else |
|
|
1106 | e = 1; |
|
|
1107 | |
|
|
1108 | /* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */ |
|
|
1109 | r = ldexpf (x * (0.5f / 0x800000U), e - 126); |
|
|
1110 | |
|
|
1111 | r = neg ? -r : r; |
|
|
1112 | #endif |
|
|
1113 | |
|
|
1114 | return r; |
|
|
1115 | } |
|
|
1116 | |
|
|
1117 | /* convert a double to ieee double/binary64 */ |
|
|
1118 | ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const; |
|
|
1119 | ecb_function_ uint64_t |
|
|
1120 | ecb_double_to_binary64 (double x) |
|
|
1121 | { |
|
|
1122 | uint64_t r; |
|
|
1123 | |
|
|
1124 | #if ECB_STDFP |
|
|
1125 | memcpy (&r, &x, 8); |
|
|
1126 | #else |
|
|
1127 | /* slow emulation, works for anything but -0 */ |
|
|
1128 | uint64_t m; |
|
|
1129 | int e; |
|
|
1130 | |
|
|
1131 | if (x == 0e0 ) return 0x0000000000000000U; |
|
|
1132 | if (x > +1.79769313486231470e+308) return 0x7ff0000000000000U; |
|
|
1133 | if (x < -1.79769313486231470e+308) return 0xfff0000000000000U; |
|
|
1134 | if (x != x ) return 0X7ff7ffffffffffffU; |
|
|
1135 | |
|
|
1136 | m = frexp (x, &e) * 0x20000000000000U; |
|
|
1137 | |
|
|
1138 | r = m & 0x8000000000000000;; |
|
|
1139 | |
|
|
1140 | if (r) |
|
|
1141 | m = -m; |
|
|
1142 | |
|
|
1143 | if (e <= -1022) |
|
|
1144 | { |
|
|
1145 | m &= 0x1fffffffffffffU; |
|
|
1146 | m >>= (-1021 - e); |
|
|
1147 | e = -1022; |
|
|
1148 | } |
|
|
1149 | |
|
|
1150 | r |= ((uint64_t)(e + 1022)) << 52; |
|
|
1151 | r |= m & 0xfffffffffffffU; |
|
|
1152 | #endif |
|
|
1153 | |
|
|
1154 | return r; |
|
|
1155 | } |
|
|
1156 | |
|
|
1157 | /* converts an ieee double/binary64 to a double */ |
|
|
1158 | ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const; |
|
|
1159 | ecb_function_ double |
|
|
1160 | ecb_binary64_to_double (uint64_t x) |
|
|
1161 | { |
|
|
1162 | double r; |
|
|
1163 | |
|
|
1164 | #if ECB_STDFP |
|
|
1165 | memcpy (&r, &x, 8); |
|
|
1166 | #else |
|
|
1167 | /* emulation, only works for normals and subnormals and +0 */ |
|
|
1168 | int neg = x >> 63; |
|
|
1169 | int e = (x >> 52) & 0x7ffU; |
|
|
1170 | |
|
|
1171 | x &= 0xfffffffffffffU; |
|
|
1172 | |
|
|
1173 | if (e) |
|
|
1174 | x |= 0x10000000000000U; |
|
|
1175 | else |
|
|
1176 | e = 1; |
|
|
1177 | |
|
|
1178 | /* we distrust ldexp a bit and do the 2**-53 scaling by an extra multiply */ |
|
|
1179 | r = ldexp (x * (0.5 / 0x10000000000000U), e - 1022); |
|
|
1180 | |
|
|
1181 | r = neg ? -r : r; |
|
|
1182 | #endif |
|
|
1183 | |
|
|
1184 | return r; |
|
|
1185 | } |
|
|
1186 | |
|
|
1187 | #endif |
|
|
1188 | |
873 | #endif |
1189 | #endif |
874 | |
1190 | |
875 | /* ECB.H END */ |
1191 | /* ECB.H END */ |
876 | |
1192 | |
877 | #if ECB_MEMORY_FENCE_NEEDS_PTHREADS |
1193 | #if ECB_MEMORY_FENCE_NEEDS_PTHREADS |
878 | /* if your architecture doesn't need memory fences, e.g. because it is |
1194 | /* 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 |
1195 | * 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 |
1196 | * from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling |
881 | * libev, in which casess the memory fences become nops. |
1197 | * libev, in which cases the memory fences become nops. |
882 | * alternatively, you can remove this #error and link against libpthread, |
1198 | * alternatively, you can remove this #error and link against libpthread, |
883 | * which will then provide the memory fences. |
1199 | * which will then provide the memory fences. |
884 | */ |
1200 | */ |
885 | # error "memory fences not defined for your architecture, please report" |
1201 | # error "memory fences not defined for your architecture, please report" |
886 | #endif |
1202 | #endif |
… | |
… | |
1043 | { |
1359 | { |
1044 | write (STDERR_FILENO, msg, strlen (msg)); |
1360 | write (STDERR_FILENO, msg, strlen (msg)); |
1045 | } |
1361 | } |
1046 | #endif |
1362 | #endif |
1047 | |
1363 | |
1048 | static void (*syserr_cb)(const char *msg); |
1364 | static void (*syserr_cb)(const char *msg) EV_THROW; |
1049 | |
1365 | |
1050 | void ecb_cold |
1366 | void ecb_cold |
1051 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
1367 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW |
1052 | { |
1368 | { |
1053 | syserr_cb = cb; |
1369 | syserr_cb = cb; |
1054 | } |
1370 | } |
1055 | |
1371 | |
1056 | static void noinline ecb_cold |
1372 | static void noinline ecb_cold |
… | |
… | |
1074 | abort (); |
1390 | abort (); |
1075 | } |
1391 | } |
1076 | } |
1392 | } |
1077 | |
1393 | |
1078 | static void * |
1394 | static void * |
1079 | ev_realloc_emul (void *ptr, long size) |
1395 | ev_realloc_emul (void *ptr, long size) EV_THROW |
1080 | { |
1396 | { |
1081 | #if __GLIBC__ |
|
|
1082 | return realloc (ptr, size); |
|
|
1083 | #else |
|
|
1084 | /* some systems, notably openbsd and darwin, fail to properly |
1397 | /* some systems, notably openbsd and darwin, fail to properly |
1085 | * implement realloc (x, 0) (as required by both ansi c-89 and |
1398 | * implement realloc (x, 0) (as required by both ansi c-89 and |
1086 | * the single unix specification, so work around them here. |
1399 | * the single unix specification, so work around them here. |
|
|
1400 | * recently, also (at least) fedora and debian started breaking it, |
|
|
1401 | * despite documenting it otherwise. |
1087 | */ |
1402 | */ |
1088 | |
1403 | |
1089 | if (size) |
1404 | if (size) |
1090 | return realloc (ptr, size); |
1405 | return realloc (ptr, size); |
1091 | |
1406 | |
1092 | free (ptr); |
1407 | free (ptr); |
1093 | return 0; |
1408 | return 0; |
1094 | #endif |
|
|
1095 | } |
1409 | } |
1096 | |
1410 | |
1097 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
1411 | static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul; |
1098 | |
1412 | |
1099 | void ecb_cold |
1413 | void ecb_cold |
1100 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
1414 | ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW |
1101 | { |
1415 | { |
1102 | alloc = cb; |
1416 | alloc = cb; |
1103 | } |
1417 | } |
1104 | |
1418 | |
1105 | inline_speed void * |
1419 | inline_speed void * |
… | |
… | |
1193 | #undef VAR |
1507 | #undef VAR |
1194 | }; |
1508 | }; |
1195 | #include "ev_wrap.h" |
1509 | #include "ev_wrap.h" |
1196 | |
1510 | |
1197 | static struct ev_loop default_loop_struct; |
1511 | static struct ev_loop default_loop_struct; |
1198 | struct ev_loop *ev_default_loop_ptr; |
1512 | EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */ |
1199 | |
1513 | |
1200 | #else |
1514 | #else |
1201 | |
1515 | |
1202 | ev_tstamp ev_rt_now; |
1516 | 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; |
1517 | #define VAR(name,decl) static decl; |
1204 | #include "ev_vars.h" |
1518 | #include "ev_vars.h" |
1205 | #undef VAR |
1519 | #undef VAR |
1206 | |
1520 | |
1207 | static int ev_default_loop_ptr; |
1521 | static int ev_default_loop_ptr; |
… | |
… | |
1222 | |
1536 | |
1223 | /*****************************************************************************/ |
1537 | /*****************************************************************************/ |
1224 | |
1538 | |
1225 | #ifndef EV_HAVE_EV_TIME |
1539 | #ifndef EV_HAVE_EV_TIME |
1226 | ev_tstamp |
1540 | ev_tstamp |
1227 | ev_time (void) |
1541 | ev_time (void) EV_THROW |
1228 | { |
1542 | { |
1229 | #if EV_USE_REALTIME |
1543 | #if EV_USE_REALTIME |
1230 | if (expect_true (have_realtime)) |
1544 | if (expect_true (have_realtime)) |
1231 | { |
1545 | { |
1232 | struct timespec ts; |
1546 | struct timespec ts; |
… | |
… | |
1256 | return ev_time (); |
1570 | return ev_time (); |
1257 | } |
1571 | } |
1258 | |
1572 | |
1259 | #if EV_MULTIPLICITY |
1573 | #if EV_MULTIPLICITY |
1260 | ev_tstamp |
1574 | ev_tstamp |
1261 | ev_now (EV_P) |
1575 | ev_now (EV_P) EV_THROW |
1262 | { |
1576 | { |
1263 | return ev_rt_now; |
1577 | return ev_rt_now; |
1264 | } |
1578 | } |
1265 | #endif |
1579 | #endif |
1266 | |
1580 | |
1267 | void |
1581 | void |
1268 | ev_sleep (ev_tstamp delay) |
1582 | ev_sleep (ev_tstamp delay) EV_THROW |
1269 | { |
1583 | { |
1270 | if (delay > 0.) |
1584 | if (delay > 0.) |
1271 | { |
1585 | { |
1272 | #if EV_USE_NANOSLEEP |
1586 | #if EV_USE_NANOSLEEP |
1273 | struct timespec ts; |
1587 | struct timespec ts; |
1274 | |
1588 | |
1275 | EV_TS_SET (ts, delay); |
1589 | EV_TS_SET (ts, delay); |
1276 | nanosleep (&ts, 0); |
1590 | nanosleep (&ts, 0); |
1277 | #elif defined(_WIN32) |
1591 | #elif defined _WIN32 |
1278 | Sleep ((unsigned long)(delay * 1e3)); |
1592 | Sleep ((unsigned long)(delay * 1e3)); |
1279 | #else |
1593 | #else |
1280 | struct timeval tv; |
1594 | struct timeval tv; |
1281 | |
1595 | |
1282 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
1596 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
… | |
… | |
1354 | pendingcb (EV_P_ ev_prepare *w, int revents) |
1668 | pendingcb (EV_P_ ev_prepare *w, int revents) |
1355 | { |
1669 | { |
1356 | } |
1670 | } |
1357 | |
1671 | |
1358 | void noinline |
1672 | void noinline |
1359 | ev_feed_event (EV_P_ void *w, int revents) |
1673 | ev_feed_event (EV_P_ void *w, int revents) EV_THROW |
1360 | { |
1674 | { |
1361 | W w_ = (W)w; |
1675 | W w_ = (W)w; |
1362 | int pri = ABSPRI (w_); |
1676 | int pri = ABSPRI (w_); |
1363 | |
1677 | |
1364 | if (expect_false (w_->pending)) |
1678 | if (expect_false (w_->pending)) |
… | |
… | |
1368 | w_->pending = ++pendingcnt [pri]; |
1682 | w_->pending = ++pendingcnt [pri]; |
1369 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
1683 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
1370 | pendings [pri][w_->pending - 1].w = w_; |
1684 | pendings [pri][w_->pending - 1].w = w_; |
1371 | pendings [pri][w_->pending - 1].events = revents; |
1685 | pendings [pri][w_->pending - 1].events = revents; |
1372 | } |
1686 | } |
|
|
1687 | |
|
|
1688 | pendingpri = NUMPRI - 1; |
1373 | } |
1689 | } |
1374 | |
1690 | |
1375 | inline_speed void |
1691 | inline_speed void |
1376 | feed_reverse (EV_P_ W w) |
1692 | feed_reverse (EV_P_ W w) |
1377 | { |
1693 | { |
… | |
… | |
1423 | if (expect_true (!anfd->reify)) |
1739 | if (expect_true (!anfd->reify)) |
1424 | fd_event_nocheck (EV_A_ fd, revents); |
1740 | fd_event_nocheck (EV_A_ fd, revents); |
1425 | } |
1741 | } |
1426 | |
1742 | |
1427 | void |
1743 | void |
1428 | ev_feed_fd_event (EV_P_ int fd, int revents) |
1744 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW |
1429 | { |
1745 | { |
1430 | if (fd >= 0 && fd < anfdmax) |
1746 | if (fd >= 0 && fd < anfdmax) |
1431 | fd_event_nocheck (EV_A_ fd, revents); |
1747 | fd_event_nocheck (EV_A_ fd, revents); |
1432 | } |
1748 | } |
1433 | |
1749 | |
… | |
… | |
1752 | static void noinline ecb_cold |
2068 | static void noinline ecb_cold |
1753 | evpipe_init (EV_P) |
2069 | evpipe_init (EV_P) |
1754 | { |
2070 | { |
1755 | if (!ev_is_active (&pipe_w)) |
2071 | if (!ev_is_active (&pipe_w)) |
1756 | { |
2072 | { |
|
|
2073 | int fds [2]; |
|
|
2074 | |
1757 | # if EV_USE_EVENTFD |
2075 | # if EV_USE_EVENTFD |
|
|
2076 | fds [0] = -1; |
1758 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
2077 | fds [1] = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
1759 | if (evfd < 0 && errno == EINVAL) |
2078 | if (fds [1] < 0 && errno == EINVAL) |
1760 | evfd = eventfd (0, 0); |
2079 | fds [1] = eventfd (0, 0); |
1761 | |
2080 | |
1762 | if (evfd >= 0) |
2081 | if (fds [1] < 0) |
|
|
2082 | # endif |
1763 | { |
2083 | { |
|
|
2084 | while (pipe (fds)) |
|
|
2085 | ev_syserr ("(libev) error creating signal/async pipe"); |
|
|
2086 | |
|
|
2087 | fd_intern (fds [0]); |
|
|
2088 | } |
|
|
2089 | |
|
|
2090 | fd_intern (fds [1]); |
|
|
2091 | |
1764 | evpipe [0] = -1; |
2092 | evpipe [0] = fds [0]; |
1765 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
2093 | |
1766 | ev_io_set (&pipe_w, evfd, EV_READ); |
2094 | if (evpipe [1] < 0) |
|
|
2095 | evpipe [1] = fds [1]; /* first call, set write fd */ |
|
|
2096 | else |
|
|
2097 | { |
|
|
2098 | /* on subsequent calls, do not change evpipe [1] */ |
|
|
2099 | /* so that evpipe_write can always rely on its value. */ |
|
|
2100 | /* this branch does not do anything sensible on windows, */ |
|
|
2101 | /* so must not be executed on windows */ |
|
|
2102 | |
|
|
2103 | dup2 (fds [1], evpipe [1]); |
|
|
2104 | close (fds [1]); |
|
|
2105 | } |
|
|
2106 | |
|
|
2107 | ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ); |
|
|
2108 | ev_io_start (EV_A_ &pipe_w); |
|
|
2109 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
|
|
2110 | } |
|
|
2111 | } |
|
|
2112 | |
|
|
2113 | inline_speed void |
|
|
2114 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
|
|
2115 | { |
|
|
2116 | ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */ |
|
|
2117 | |
|
|
2118 | if (expect_true (*flag)) |
|
|
2119 | return; |
|
|
2120 | |
|
|
2121 | *flag = 1; |
|
|
2122 | ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ |
|
|
2123 | |
|
|
2124 | pipe_write_skipped = 1; |
|
|
2125 | |
|
|
2126 | ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */ |
|
|
2127 | |
|
|
2128 | if (pipe_write_wanted) |
|
|
2129 | { |
|
|
2130 | int old_errno; |
|
|
2131 | |
|
|
2132 | pipe_write_skipped = 0; |
|
|
2133 | ECB_MEMORY_FENCE_RELEASE; |
|
|
2134 | |
|
|
2135 | old_errno = errno; /* save errno because write will clobber it */ |
|
|
2136 | |
|
|
2137 | #if EV_USE_EVENTFD |
|
|
2138 | if (evpipe [0] < 0) |
|
|
2139 | { |
|
|
2140 | uint64_t counter = 1; |
|
|
2141 | write (evpipe [1], &counter, sizeof (uint64_t)); |
1767 | } |
2142 | } |
1768 | else |
2143 | else |
1769 | # endif |
2144 | #endif |
1770 | { |
2145 | { |
1771 | while (pipe (evpipe)) |
2146 | #ifdef _WIN32 |
1772 | ev_syserr ("(libev) error creating signal/async pipe"); |
2147 | WSABUF buf; |
1773 | |
2148 | DWORD sent; |
1774 | fd_intern (evpipe [0]); |
2149 | buf.buf = &buf; |
1775 | fd_intern (evpipe [1]); |
2150 | buf.len = 1; |
1776 | ev_io_set (&pipe_w, evpipe [0], EV_READ); |
2151 | WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0); |
1777 | } |
2152 | #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); |
2153 | write (evpipe [1], &(evpipe [1]), 1); |
|
|
2154 | #endif |
1821 | } |
2155 | } |
1822 | |
2156 | |
1823 | errno = old_errno; |
2157 | errno = old_errno; |
1824 | } |
2158 | } |
1825 | } |
2159 | } |
… | |
… | |
1832 | int i; |
2166 | int i; |
1833 | |
2167 | |
1834 | if (revents & EV_READ) |
2168 | if (revents & EV_READ) |
1835 | { |
2169 | { |
1836 | #if EV_USE_EVENTFD |
2170 | #if EV_USE_EVENTFD |
1837 | if (evfd >= 0) |
2171 | if (evpipe [0] < 0) |
1838 | { |
2172 | { |
1839 | uint64_t counter; |
2173 | uint64_t counter; |
1840 | read (evfd, &counter, sizeof (uint64_t)); |
2174 | read (evpipe [1], &counter, sizeof (uint64_t)); |
1841 | } |
2175 | } |
1842 | else |
2176 | else |
1843 | #endif |
2177 | #endif |
1844 | { |
2178 | { |
1845 | char dummy; |
2179 | char dummy[4]; |
1846 | /* see discussion in evpipe_write when you think this read should be recv in win32 */ |
2180 | #ifdef _WIN32 |
|
|
2181 | WSABUF buf; |
|
|
2182 | DWORD recvd; |
|
|
2183 | DWORD flags = 0; |
|
|
2184 | buf.buf = dummy; |
|
|
2185 | buf.len = sizeof (dummy); |
|
|
2186 | WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, &flags, 0, 0); |
|
|
2187 | #else |
1847 | read (evpipe [0], &dummy, 1); |
2188 | read (evpipe [0], &dummy, sizeof (dummy)); |
|
|
2189 | #endif |
1848 | } |
2190 | } |
1849 | } |
2191 | } |
1850 | |
2192 | |
1851 | pipe_write_skipped = 0; |
2193 | pipe_write_skipped = 0; |
|
|
2194 | |
|
|
2195 | ECB_MEMORY_FENCE; /* push out skipped, acquire flags */ |
1852 | |
2196 | |
1853 | #if EV_SIGNAL_ENABLE |
2197 | #if EV_SIGNAL_ENABLE |
1854 | if (sig_pending) |
2198 | if (sig_pending) |
1855 | { |
2199 | { |
1856 | sig_pending = 0; |
2200 | sig_pending = 0; |
|
|
2201 | |
|
|
2202 | ECB_MEMORY_FENCE; |
1857 | |
2203 | |
1858 | for (i = EV_NSIG - 1; i--; ) |
2204 | for (i = EV_NSIG - 1; i--; ) |
1859 | if (expect_false (signals [i].pending)) |
2205 | if (expect_false (signals [i].pending)) |
1860 | ev_feed_signal_event (EV_A_ i + 1); |
2206 | ev_feed_signal_event (EV_A_ i + 1); |
1861 | } |
2207 | } |
… | |
… | |
1863 | |
2209 | |
1864 | #if EV_ASYNC_ENABLE |
2210 | #if EV_ASYNC_ENABLE |
1865 | if (async_pending) |
2211 | if (async_pending) |
1866 | { |
2212 | { |
1867 | async_pending = 0; |
2213 | async_pending = 0; |
|
|
2214 | |
|
|
2215 | ECB_MEMORY_FENCE; |
1868 | |
2216 | |
1869 | for (i = asynccnt; i--; ) |
2217 | for (i = asynccnt; i--; ) |
1870 | if (asyncs [i]->sent) |
2218 | if (asyncs [i]->sent) |
1871 | { |
2219 | { |
1872 | asyncs [i]->sent = 0; |
2220 | asyncs [i]->sent = 0; |
|
|
2221 | ECB_MEMORY_FENCE_RELEASE; |
1873 | ev_feed_event (EV_A_ asyncs [i], EV_ASYNC); |
2222 | ev_feed_event (EV_A_ asyncs [i], EV_ASYNC); |
1874 | } |
2223 | } |
1875 | } |
2224 | } |
1876 | #endif |
2225 | #endif |
1877 | } |
2226 | } |
1878 | |
2227 | |
1879 | /*****************************************************************************/ |
2228 | /*****************************************************************************/ |
1880 | |
2229 | |
1881 | void |
2230 | void |
1882 | ev_feed_signal (int signum) |
2231 | ev_feed_signal (int signum) EV_THROW |
1883 | { |
2232 | { |
1884 | #if EV_MULTIPLICITY |
2233 | #if EV_MULTIPLICITY |
|
|
2234 | ECB_MEMORY_FENCE_ACQUIRE; |
1885 | EV_P = signals [signum - 1].loop; |
2235 | EV_P = signals [signum - 1].loop; |
1886 | |
2236 | |
1887 | if (!EV_A) |
2237 | if (!EV_A) |
1888 | return; |
2238 | return; |
1889 | #endif |
2239 | #endif |
1890 | |
2240 | |
1891 | if (!ev_active (&pipe_w)) |
|
|
1892 | return; |
|
|
1893 | |
|
|
1894 | signals [signum - 1].pending = 1; |
2241 | signals [signum - 1].pending = 1; |
1895 | evpipe_write (EV_A_ &sig_pending); |
2242 | evpipe_write (EV_A_ &sig_pending); |
1896 | } |
2243 | } |
1897 | |
2244 | |
1898 | static void |
2245 | static void |
… | |
… | |
1904 | |
2251 | |
1905 | ev_feed_signal (signum); |
2252 | ev_feed_signal (signum); |
1906 | } |
2253 | } |
1907 | |
2254 | |
1908 | void noinline |
2255 | void noinline |
1909 | ev_feed_signal_event (EV_P_ int signum) |
2256 | ev_feed_signal_event (EV_P_ int signum) EV_THROW |
1910 | { |
2257 | { |
1911 | WL w; |
2258 | WL w; |
1912 | |
2259 | |
1913 | if (expect_false (signum <= 0 || signum > EV_NSIG)) |
2260 | if (expect_false (signum <= 0 || signum >= EV_NSIG)) |
1914 | return; |
2261 | return; |
1915 | |
2262 | |
1916 | --signum; |
2263 | --signum; |
1917 | |
2264 | |
1918 | #if EV_MULTIPLICITY |
2265 | #if EV_MULTIPLICITY |
… | |
… | |
1922 | if (expect_false (signals [signum].loop != EV_A)) |
2269 | if (expect_false (signals [signum].loop != EV_A)) |
1923 | return; |
2270 | return; |
1924 | #endif |
2271 | #endif |
1925 | |
2272 | |
1926 | signals [signum].pending = 0; |
2273 | signals [signum].pending = 0; |
|
|
2274 | ECB_MEMORY_FENCE_RELEASE; |
1927 | |
2275 | |
1928 | for (w = signals [signum].head; w; w = w->next) |
2276 | for (w = signals [signum].head; w; w = w->next) |
1929 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
2277 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
1930 | } |
2278 | } |
1931 | |
2279 | |
… | |
… | |
2030 | #if EV_USE_SELECT |
2378 | #if EV_USE_SELECT |
2031 | # include "ev_select.c" |
2379 | # include "ev_select.c" |
2032 | #endif |
2380 | #endif |
2033 | |
2381 | |
2034 | int ecb_cold |
2382 | int ecb_cold |
2035 | ev_version_major (void) |
2383 | ev_version_major (void) EV_THROW |
2036 | { |
2384 | { |
2037 | return EV_VERSION_MAJOR; |
2385 | return EV_VERSION_MAJOR; |
2038 | } |
2386 | } |
2039 | |
2387 | |
2040 | int ecb_cold |
2388 | int ecb_cold |
2041 | ev_version_minor (void) |
2389 | ev_version_minor (void) EV_THROW |
2042 | { |
2390 | { |
2043 | return EV_VERSION_MINOR; |
2391 | return EV_VERSION_MINOR; |
2044 | } |
2392 | } |
2045 | |
2393 | |
2046 | /* return true if we are running with elevated privileges and should ignore env variables */ |
2394 | /* return true if we are running with elevated privileges and should ignore env variables */ |
… | |
… | |
2054 | || getgid () != getegid (); |
2402 | || getgid () != getegid (); |
2055 | #endif |
2403 | #endif |
2056 | } |
2404 | } |
2057 | |
2405 | |
2058 | unsigned int ecb_cold |
2406 | unsigned int ecb_cold |
2059 | ev_supported_backends (void) |
2407 | ev_supported_backends (void) EV_THROW |
2060 | { |
2408 | { |
2061 | unsigned int flags = 0; |
2409 | unsigned int flags = 0; |
2062 | |
2410 | |
2063 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2411 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2064 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
2412 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
… | |
… | |
2068 | |
2416 | |
2069 | return flags; |
2417 | return flags; |
2070 | } |
2418 | } |
2071 | |
2419 | |
2072 | unsigned int ecb_cold |
2420 | unsigned int ecb_cold |
2073 | ev_recommended_backends (void) |
2421 | ev_recommended_backends (void) EV_THROW |
2074 | { |
2422 | { |
2075 | unsigned int flags = ev_supported_backends (); |
2423 | unsigned int flags = ev_supported_backends (); |
2076 | |
2424 | |
2077 | #ifndef __NetBSD__ |
2425 | #ifndef __NetBSD__ |
2078 | /* kqueue is borked on everything but netbsd apparently */ |
2426 | /* kqueue is borked on everything but netbsd apparently */ |
… | |
… | |
2090 | |
2438 | |
2091 | return flags; |
2439 | return flags; |
2092 | } |
2440 | } |
2093 | |
2441 | |
2094 | unsigned int ecb_cold |
2442 | unsigned int ecb_cold |
2095 | ev_embeddable_backends (void) |
2443 | ev_embeddable_backends (void) EV_THROW |
2096 | { |
2444 | { |
2097 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
2445 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
2098 | |
2446 | |
2099 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2447 | /* 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 */ |
2448 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
… | |
… | |
2102 | |
2450 | |
2103 | return flags; |
2451 | return flags; |
2104 | } |
2452 | } |
2105 | |
2453 | |
2106 | unsigned int |
2454 | unsigned int |
2107 | ev_backend (EV_P) |
2455 | ev_backend (EV_P) EV_THROW |
2108 | { |
2456 | { |
2109 | return backend; |
2457 | return backend; |
2110 | } |
2458 | } |
2111 | |
2459 | |
2112 | #if EV_FEATURE_API |
2460 | #if EV_FEATURE_API |
2113 | unsigned int |
2461 | unsigned int |
2114 | ev_iteration (EV_P) |
2462 | ev_iteration (EV_P) EV_THROW |
2115 | { |
2463 | { |
2116 | return loop_count; |
2464 | return loop_count; |
2117 | } |
2465 | } |
2118 | |
2466 | |
2119 | unsigned int |
2467 | unsigned int |
2120 | ev_depth (EV_P) |
2468 | ev_depth (EV_P) EV_THROW |
2121 | { |
2469 | { |
2122 | return loop_depth; |
2470 | return loop_depth; |
2123 | } |
2471 | } |
2124 | |
2472 | |
2125 | void |
2473 | void |
2126 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
2474 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
2127 | { |
2475 | { |
2128 | io_blocktime = interval; |
2476 | io_blocktime = interval; |
2129 | } |
2477 | } |
2130 | |
2478 | |
2131 | void |
2479 | void |
2132 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
2480 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
2133 | { |
2481 | { |
2134 | timeout_blocktime = interval; |
2482 | timeout_blocktime = interval; |
2135 | } |
2483 | } |
2136 | |
2484 | |
2137 | void |
2485 | void |
2138 | ev_set_userdata (EV_P_ void *data) |
2486 | ev_set_userdata (EV_P_ void *data) EV_THROW |
2139 | { |
2487 | { |
2140 | userdata = data; |
2488 | userdata = data; |
2141 | } |
2489 | } |
2142 | |
2490 | |
2143 | void * |
2491 | void * |
2144 | ev_userdata (EV_P) |
2492 | ev_userdata (EV_P) EV_THROW |
2145 | { |
2493 | { |
2146 | return userdata; |
2494 | return userdata; |
2147 | } |
2495 | } |
2148 | |
2496 | |
2149 | void |
2497 | void |
2150 | ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) |
2498 | ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW |
2151 | { |
2499 | { |
2152 | invoke_cb = invoke_pending_cb; |
2500 | invoke_cb = invoke_pending_cb; |
2153 | } |
2501 | } |
2154 | |
2502 | |
2155 | void |
2503 | void |
2156 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) |
2504 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW |
2157 | { |
2505 | { |
2158 | release_cb = release; |
2506 | release_cb = release; |
2159 | acquire_cb = acquire; |
2507 | acquire_cb = acquire; |
2160 | } |
2508 | } |
2161 | #endif |
2509 | #endif |
2162 | |
2510 | |
2163 | /* initialise a loop structure, must be zero-initialised */ |
2511 | /* initialise a loop structure, must be zero-initialised */ |
2164 | static void noinline ecb_cold |
2512 | static void noinline ecb_cold |
2165 | loop_init (EV_P_ unsigned int flags) |
2513 | loop_init (EV_P_ unsigned int flags) EV_THROW |
2166 | { |
2514 | { |
2167 | if (!backend) |
2515 | if (!backend) |
2168 | { |
2516 | { |
2169 | origflags = flags; |
2517 | origflags = flags; |
2170 | |
2518 | |
… | |
… | |
2215 | #if EV_ASYNC_ENABLE |
2563 | #if EV_ASYNC_ENABLE |
2216 | async_pending = 0; |
2564 | async_pending = 0; |
2217 | #endif |
2565 | #endif |
2218 | pipe_write_skipped = 0; |
2566 | pipe_write_skipped = 0; |
2219 | pipe_write_wanted = 0; |
2567 | pipe_write_wanted = 0; |
|
|
2568 | evpipe [0] = -1; |
|
|
2569 | evpipe [1] = -1; |
2220 | #if EV_USE_INOTIFY |
2570 | #if EV_USE_INOTIFY |
2221 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
2571 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
2222 | #endif |
2572 | #endif |
2223 | #if EV_USE_SIGNALFD |
2573 | #if EV_USE_SIGNALFD |
2224 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
2574 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
… | |
… | |
2275 | EV_INVOKE_PENDING; |
2625 | EV_INVOKE_PENDING; |
2276 | } |
2626 | } |
2277 | #endif |
2627 | #endif |
2278 | |
2628 | |
2279 | #if EV_CHILD_ENABLE |
2629 | #if EV_CHILD_ENABLE |
2280 | if (ev_is_active (&childev)) |
2630 | if (ev_is_default_loop (EV_A) && ev_is_active (&childev)) |
2281 | { |
2631 | { |
2282 | ev_ref (EV_A); /* child watcher */ |
2632 | ev_ref (EV_A); /* child watcher */ |
2283 | ev_signal_stop (EV_A_ &childev); |
2633 | ev_signal_stop (EV_A_ &childev); |
2284 | } |
2634 | } |
2285 | #endif |
2635 | #endif |
… | |
… | |
2287 | if (ev_is_active (&pipe_w)) |
2637 | if (ev_is_active (&pipe_w)) |
2288 | { |
2638 | { |
2289 | /*ev_ref (EV_A);*/ |
2639 | /*ev_ref (EV_A);*/ |
2290 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
2640 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
2291 | |
2641 | |
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]); |
2642 | if (evpipe [0] >= 0) EV_WIN32_CLOSE_FD (evpipe [0]); |
2300 | EV_WIN32_CLOSE_FD (evpipe [1]); |
2643 | if (evpipe [1] >= 0) EV_WIN32_CLOSE_FD (evpipe [1]); |
2301 | } |
|
|
2302 | } |
2644 | } |
2303 | |
2645 | |
2304 | #if EV_USE_SIGNALFD |
2646 | #if EV_USE_SIGNALFD |
2305 | if (ev_is_active (&sigfd_w)) |
2647 | if (ev_is_active (&sigfd_w)) |
2306 | close (sigfd); |
2648 | close (sigfd); |
… | |
… | |
2392 | #endif |
2734 | #endif |
2393 | #if EV_USE_INOTIFY |
2735 | #if EV_USE_INOTIFY |
2394 | infy_fork (EV_A); |
2736 | infy_fork (EV_A); |
2395 | #endif |
2737 | #endif |
2396 | |
2738 | |
|
|
2739 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2397 | if (ev_is_active (&pipe_w)) |
2740 | if (ev_is_active (&pipe_w)) |
2398 | { |
2741 | { |
2399 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
2742 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
2400 | |
2743 | |
2401 | ev_ref (EV_A); |
2744 | ev_ref (EV_A); |
2402 | ev_io_stop (EV_A_ &pipe_w); |
2745 | ev_io_stop (EV_A_ &pipe_w); |
2403 | |
2746 | |
2404 | #if EV_USE_EVENTFD |
|
|
2405 | if (evfd >= 0) |
|
|
2406 | close (evfd); |
|
|
2407 | #endif |
|
|
2408 | |
|
|
2409 | if (evpipe [0] >= 0) |
2747 | if (evpipe [0] >= 0) |
2410 | { |
|
|
2411 | EV_WIN32_CLOSE_FD (evpipe [0]); |
2748 | EV_WIN32_CLOSE_FD (evpipe [0]); |
2412 | EV_WIN32_CLOSE_FD (evpipe [1]); |
|
|
2413 | } |
|
|
2414 | |
2749 | |
2415 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
|
|
2416 | evpipe_init (EV_A); |
2750 | evpipe_init (EV_A); |
2417 | /* now iterate over everything, in case we missed something */ |
2751 | /* iterate over everything, in case we missed something before */ |
2418 | pipecb (EV_A_ &pipe_w, EV_READ); |
2752 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
2419 | #endif |
|
|
2420 | } |
2753 | } |
|
|
2754 | #endif |
2421 | |
2755 | |
2422 | postfork = 0; |
2756 | postfork = 0; |
2423 | } |
2757 | } |
2424 | |
2758 | |
2425 | #if EV_MULTIPLICITY |
2759 | #if EV_MULTIPLICITY |
2426 | |
2760 | |
2427 | struct ev_loop * ecb_cold |
2761 | struct ev_loop * ecb_cold |
2428 | ev_loop_new (unsigned int flags) |
2762 | ev_loop_new (unsigned int flags) EV_THROW |
2429 | { |
2763 | { |
2430 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
2764 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
2431 | |
2765 | |
2432 | memset (EV_A, 0, sizeof (struct ev_loop)); |
2766 | memset (EV_A, 0, sizeof (struct ev_loop)); |
2433 | loop_init (EV_A_ flags); |
2767 | loop_init (EV_A_ flags); |
… | |
… | |
2477 | } |
2811 | } |
2478 | #endif |
2812 | #endif |
2479 | |
2813 | |
2480 | #if EV_FEATURE_API |
2814 | #if EV_FEATURE_API |
2481 | void ecb_cold |
2815 | void ecb_cold |
2482 | ev_verify (EV_P) |
2816 | ev_verify (EV_P) EV_THROW |
2483 | { |
2817 | { |
2484 | #if EV_VERIFY |
2818 | #if EV_VERIFY |
2485 | int i; |
2819 | int i; |
2486 | WL w; |
2820 | WL w, w2; |
2487 | |
2821 | |
2488 | assert (activecnt >= -1); |
2822 | assert (activecnt >= -1); |
2489 | |
2823 | |
2490 | assert (fdchangemax >= fdchangecnt); |
2824 | assert (fdchangemax >= fdchangecnt); |
2491 | for (i = 0; i < fdchangecnt; ++i) |
2825 | for (i = 0; i < fdchangecnt; ++i) |
2492 | assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); |
2826 | assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); |
2493 | |
2827 | |
2494 | assert (anfdmax >= 0); |
2828 | assert (anfdmax >= 0); |
2495 | for (i = 0; i < anfdmax; ++i) |
2829 | for (i = 0; i < anfdmax; ++i) |
|
|
2830 | { |
|
|
2831 | int j = 0; |
|
|
2832 | |
2496 | for (w = anfds [i].head; w; w = w->next) |
2833 | for (w = w2 = anfds [i].head; w; w = w->next) |
2497 | { |
2834 | { |
2498 | verify_watcher (EV_A_ (W)w); |
2835 | verify_watcher (EV_A_ (W)w); |
|
|
2836 | |
|
|
2837 | if (j++ & 1) |
|
|
2838 | { |
|
|
2839 | assert (("libev: io watcher list contains a loop", w != w2)); |
|
|
2840 | w2 = w2->next; |
|
|
2841 | } |
|
|
2842 | |
2499 | assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); |
2843 | 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)); |
2844 | assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
2501 | } |
2845 | } |
|
|
2846 | } |
2502 | |
2847 | |
2503 | assert (timermax >= timercnt); |
2848 | assert (timermax >= timercnt); |
2504 | verify_heap (EV_A_ timers, timercnt); |
2849 | verify_heap (EV_A_ timers, timercnt); |
2505 | |
2850 | |
2506 | #if EV_PERIODIC_ENABLE |
2851 | #if EV_PERIODIC_ENABLE |
… | |
… | |
2556 | #if EV_MULTIPLICITY |
2901 | #if EV_MULTIPLICITY |
2557 | struct ev_loop * ecb_cold |
2902 | struct ev_loop * ecb_cold |
2558 | #else |
2903 | #else |
2559 | int |
2904 | int |
2560 | #endif |
2905 | #endif |
2561 | ev_default_loop (unsigned int flags) |
2906 | ev_default_loop (unsigned int flags) EV_THROW |
2562 | { |
2907 | { |
2563 | if (!ev_default_loop_ptr) |
2908 | if (!ev_default_loop_ptr) |
2564 | { |
2909 | { |
2565 | #if EV_MULTIPLICITY |
2910 | #if EV_MULTIPLICITY |
2566 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
2911 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
… | |
… | |
2585 | |
2930 | |
2586 | return ev_default_loop_ptr; |
2931 | return ev_default_loop_ptr; |
2587 | } |
2932 | } |
2588 | |
2933 | |
2589 | void |
2934 | void |
2590 | ev_loop_fork (EV_P) |
2935 | ev_loop_fork (EV_P) EV_THROW |
2591 | { |
2936 | { |
2592 | postfork = 1; /* must be in line with ev_default_fork */ |
2937 | postfork = 1; |
2593 | } |
2938 | } |
2594 | |
2939 | |
2595 | /*****************************************************************************/ |
2940 | /*****************************************************************************/ |
2596 | |
2941 | |
2597 | void |
2942 | void |
… | |
… | |
2599 | { |
2944 | { |
2600 | EV_CB_INVOKE ((W)w, revents); |
2945 | EV_CB_INVOKE ((W)w, revents); |
2601 | } |
2946 | } |
2602 | |
2947 | |
2603 | unsigned int |
2948 | unsigned int |
2604 | ev_pending_count (EV_P) |
2949 | ev_pending_count (EV_P) EV_THROW |
2605 | { |
2950 | { |
2606 | int pri; |
2951 | int pri; |
2607 | unsigned int count = 0; |
2952 | unsigned int count = 0; |
2608 | |
2953 | |
2609 | for (pri = NUMPRI; pri--; ) |
2954 | for (pri = NUMPRI; pri--; ) |
… | |
… | |
2613 | } |
2958 | } |
2614 | |
2959 | |
2615 | void noinline |
2960 | void noinline |
2616 | ev_invoke_pending (EV_P) |
2961 | ev_invoke_pending (EV_P) |
2617 | { |
2962 | { |
2618 | int pri; |
2963 | pendingpri = NUMPRI; |
2619 | |
2964 | |
2620 | for (pri = NUMPRI; pri--; ) |
2965 | while (pendingpri) /* pendingpri possibly gets modified in the inner loop */ |
|
|
2966 | { |
|
|
2967 | --pendingpri; |
|
|
2968 | |
2621 | while (pendingcnt [pri]) |
2969 | while (pendingcnt [pendingpri]) |
2622 | { |
2970 | { |
2623 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
2971 | ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri]; |
2624 | |
2972 | |
2625 | p->w->pending = 0; |
2973 | p->w->pending = 0; |
2626 | EV_CB_INVOKE (p->w, p->events); |
2974 | EV_CB_INVOKE (p->w, p->events); |
2627 | EV_FREQUENT_CHECK; |
2975 | EV_FREQUENT_CHECK; |
2628 | } |
2976 | } |
|
|
2977 | } |
2629 | } |
2978 | } |
2630 | |
2979 | |
2631 | #if EV_IDLE_ENABLE |
2980 | #if EV_IDLE_ENABLE |
2632 | /* make idle watchers pending. this handles the "call-idle */ |
2981 | /* make idle watchers pending. this handles the "call-idle */ |
2633 | /* only when higher priorities are idle" logic */ |
2982 | /* only when higher priorities are idle" logic */ |
… | |
… | |
2723 | { |
3072 | { |
2724 | EV_FREQUENT_CHECK; |
3073 | EV_FREQUENT_CHECK; |
2725 | |
3074 | |
2726 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
3075 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
2727 | { |
3076 | { |
2728 | int feed_count = 0; |
|
|
2729 | |
|
|
2730 | do |
3077 | do |
2731 | { |
3078 | { |
2732 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
3079 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
2733 | |
3080 | |
2734 | /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ |
3081 | /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ |
… | |
… | |
2868 | |
3215 | |
2869 | mn_now = ev_rt_now; |
3216 | mn_now = ev_rt_now; |
2870 | } |
3217 | } |
2871 | } |
3218 | } |
2872 | |
3219 | |
2873 | void |
3220 | int |
2874 | ev_run (EV_P_ int flags) |
3221 | ev_run (EV_P_ int flags) |
2875 | { |
3222 | { |
2876 | #if EV_FEATURE_API |
3223 | #if EV_FEATURE_API |
2877 | ++loop_depth; |
3224 | ++loop_depth; |
2878 | #endif |
3225 | #endif |
… | |
… | |
2991 | #endif |
3338 | #endif |
2992 | assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ |
3339 | assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ |
2993 | backend_poll (EV_A_ waittime); |
3340 | backend_poll (EV_A_ waittime); |
2994 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
3341 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
2995 | |
3342 | |
2996 | pipe_write_wanted = 0; /* just an optimsiation, no fence needed */ |
3343 | pipe_write_wanted = 0; /* just an optimisation, no fence needed */ |
2997 | |
3344 | |
|
|
3345 | ECB_MEMORY_FENCE_ACQUIRE; |
2998 | if (pipe_write_skipped) |
3346 | if (pipe_write_skipped) |
2999 | { |
3347 | { |
3000 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
3348 | 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); |
3349 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
3002 | } |
3350 | } |
… | |
… | |
3035 | loop_done = EVBREAK_CANCEL; |
3383 | loop_done = EVBREAK_CANCEL; |
3036 | |
3384 | |
3037 | #if EV_FEATURE_API |
3385 | #if EV_FEATURE_API |
3038 | --loop_depth; |
3386 | --loop_depth; |
3039 | #endif |
3387 | #endif |
|
|
3388 | |
|
|
3389 | return activecnt; |
3040 | } |
3390 | } |
3041 | |
3391 | |
3042 | void |
3392 | void |
3043 | ev_break (EV_P_ int how) |
3393 | ev_break (EV_P_ int how) EV_THROW |
3044 | { |
3394 | { |
3045 | loop_done = how; |
3395 | loop_done = how; |
3046 | } |
3396 | } |
3047 | |
3397 | |
3048 | void |
3398 | void |
3049 | ev_ref (EV_P) |
3399 | ev_ref (EV_P) EV_THROW |
3050 | { |
3400 | { |
3051 | ++activecnt; |
3401 | ++activecnt; |
3052 | } |
3402 | } |
3053 | |
3403 | |
3054 | void |
3404 | void |
3055 | ev_unref (EV_P) |
3405 | ev_unref (EV_P) EV_THROW |
3056 | { |
3406 | { |
3057 | --activecnt; |
3407 | --activecnt; |
3058 | } |
3408 | } |
3059 | |
3409 | |
3060 | void |
3410 | void |
3061 | ev_now_update (EV_P) |
3411 | ev_now_update (EV_P) EV_THROW |
3062 | { |
3412 | { |
3063 | time_update (EV_A_ 1e100); |
3413 | time_update (EV_A_ 1e100); |
3064 | } |
3414 | } |
3065 | |
3415 | |
3066 | void |
3416 | void |
3067 | ev_suspend (EV_P) |
3417 | ev_suspend (EV_P) EV_THROW |
3068 | { |
3418 | { |
3069 | ev_now_update (EV_A); |
3419 | ev_now_update (EV_A); |
3070 | } |
3420 | } |
3071 | |
3421 | |
3072 | void |
3422 | void |
3073 | ev_resume (EV_P) |
3423 | ev_resume (EV_P) EV_THROW |
3074 | { |
3424 | { |
3075 | ev_tstamp mn_prev = mn_now; |
3425 | ev_tstamp mn_prev = mn_now; |
3076 | |
3426 | |
3077 | ev_now_update (EV_A); |
3427 | ev_now_update (EV_A); |
3078 | timers_reschedule (EV_A_ mn_now - mn_prev); |
3428 | timers_reschedule (EV_A_ mn_now - mn_prev); |
… | |
… | |
3117 | w->pending = 0; |
3467 | w->pending = 0; |
3118 | } |
3468 | } |
3119 | } |
3469 | } |
3120 | |
3470 | |
3121 | int |
3471 | int |
3122 | ev_clear_pending (EV_P_ void *w) |
3472 | ev_clear_pending (EV_P_ void *w) EV_THROW |
3123 | { |
3473 | { |
3124 | W w_ = (W)w; |
3474 | W w_ = (W)w; |
3125 | int pending = w_->pending; |
3475 | int pending = w_->pending; |
3126 | |
3476 | |
3127 | if (expect_true (pending)) |
3477 | if (expect_true (pending)) |
… | |
… | |
3160 | } |
3510 | } |
3161 | |
3511 | |
3162 | /*****************************************************************************/ |
3512 | /*****************************************************************************/ |
3163 | |
3513 | |
3164 | void noinline |
3514 | void noinline |
3165 | ev_io_start (EV_P_ ev_io *w) |
3515 | ev_io_start (EV_P_ ev_io *w) EV_THROW |
3166 | { |
3516 | { |
3167 | int fd = w->fd; |
3517 | int fd = w->fd; |
3168 | |
3518 | |
3169 | if (expect_false (ev_is_active (w))) |
3519 | if (expect_false (ev_is_active (w))) |
3170 | return; |
3520 | return; |
… | |
… | |
3176 | |
3526 | |
3177 | ev_start (EV_A_ (W)w, 1); |
3527 | ev_start (EV_A_ (W)w, 1); |
3178 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
3528 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
3179 | wlist_add (&anfds[fd].head, (WL)w); |
3529 | wlist_add (&anfds[fd].head, (WL)w); |
3180 | |
3530 | |
|
|
3531 | /* common bug, apparently */ |
|
|
3532 | assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w)); |
|
|
3533 | |
3181 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); |
3534 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); |
3182 | w->events &= ~EV__IOFDSET; |
3535 | w->events &= ~EV__IOFDSET; |
3183 | |
3536 | |
3184 | EV_FREQUENT_CHECK; |
3537 | EV_FREQUENT_CHECK; |
3185 | } |
3538 | } |
3186 | |
3539 | |
3187 | void noinline |
3540 | void noinline |
3188 | ev_io_stop (EV_P_ ev_io *w) |
3541 | ev_io_stop (EV_P_ ev_io *w) EV_THROW |
3189 | { |
3542 | { |
3190 | clear_pending (EV_A_ (W)w); |
3543 | clear_pending (EV_A_ (W)w); |
3191 | if (expect_false (!ev_is_active (w))) |
3544 | if (expect_false (!ev_is_active (w))) |
3192 | return; |
3545 | return; |
3193 | |
3546 | |
… | |
… | |
3202 | |
3555 | |
3203 | EV_FREQUENT_CHECK; |
3556 | EV_FREQUENT_CHECK; |
3204 | } |
3557 | } |
3205 | |
3558 | |
3206 | void noinline |
3559 | void noinline |
3207 | ev_timer_start (EV_P_ ev_timer *w) |
3560 | ev_timer_start (EV_P_ ev_timer *w) EV_THROW |
3208 | { |
3561 | { |
3209 | if (expect_false (ev_is_active (w))) |
3562 | if (expect_false (ev_is_active (w))) |
3210 | return; |
3563 | return; |
3211 | |
3564 | |
3212 | ev_at (w) += mn_now; |
3565 | ev_at (w) += mn_now; |
… | |
… | |
3226 | |
3579 | |
3227 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
3580 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
3228 | } |
3581 | } |
3229 | |
3582 | |
3230 | void noinline |
3583 | void noinline |
3231 | ev_timer_stop (EV_P_ ev_timer *w) |
3584 | ev_timer_stop (EV_P_ ev_timer *w) EV_THROW |
3232 | { |
3585 | { |
3233 | clear_pending (EV_A_ (W)w); |
3586 | clear_pending (EV_A_ (W)w); |
3234 | if (expect_false (!ev_is_active (w))) |
3587 | if (expect_false (!ev_is_active (w))) |
3235 | return; |
3588 | return; |
3236 | |
3589 | |
… | |
… | |
3256 | |
3609 | |
3257 | EV_FREQUENT_CHECK; |
3610 | EV_FREQUENT_CHECK; |
3258 | } |
3611 | } |
3259 | |
3612 | |
3260 | void noinline |
3613 | void noinline |
3261 | ev_timer_again (EV_P_ ev_timer *w) |
3614 | ev_timer_again (EV_P_ ev_timer *w) EV_THROW |
3262 | { |
3615 | { |
3263 | EV_FREQUENT_CHECK; |
3616 | EV_FREQUENT_CHECK; |
|
|
3617 | |
|
|
3618 | clear_pending (EV_A_ (W)w); |
3264 | |
3619 | |
3265 | if (ev_is_active (w)) |
3620 | if (ev_is_active (w)) |
3266 | { |
3621 | { |
3267 | if (w->repeat) |
3622 | if (w->repeat) |
3268 | { |
3623 | { |
… | |
… | |
3281 | |
3636 | |
3282 | EV_FREQUENT_CHECK; |
3637 | EV_FREQUENT_CHECK; |
3283 | } |
3638 | } |
3284 | |
3639 | |
3285 | ev_tstamp |
3640 | ev_tstamp |
3286 | ev_timer_remaining (EV_P_ ev_timer *w) |
3641 | ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW |
3287 | { |
3642 | { |
3288 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
3643 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
3289 | } |
3644 | } |
3290 | |
3645 | |
3291 | #if EV_PERIODIC_ENABLE |
3646 | #if EV_PERIODIC_ENABLE |
3292 | void noinline |
3647 | void noinline |
3293 | ev_periodic_start (EV_P_ ev_periodic *w) |
3648 | ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW |
3294 | { |
3649 | { |
3295 | if (expect_false (ev_is_active (w))) |
3650 | if (expect_false (ev_is_active (w))) |
3296 | return; |
3651 | return; |
3297 | |
3652 | |
3298 | if (w->reschedule_cb) |
3653 | if (w->reschedule_cb) |
… | |
… | |
3318 | |
3673 | |
3319 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
3674 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
3320 | } |
3675 | } |
3321 | |
3676 | |
3322 | void noinline |
3677 | void noinline |
3323 | ev_periodic_stop (EV_P_ ev_periodic *w) |
3678 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW |
3324 | { |
3679 | { |
3325 | clear_pending (EV_A_ (W)w); |
3680 | clear_pending (EV_A_ (W)w); |
3326 | if (expect_false (!ev_is_active (w))) |
3681 | if (expect_false (!ev_is_active (w))) |
3327 | return; |
3682 | return; |
3328 | |
3683 | |
… | |
… | |
3346 | |
3701 | |
3347 | EV_FREQUENT_CHECK; |
3702 | EV_FREQUENT_CHECK; |
3348 | } |
3703 | } |
3349 | |
3704 | |
3350 | void noinline |
3705 | void noinline |
3351 | ev_periodic_again (EV_P_ ev_periodic *w) |
3706 | ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW |
3352 | { |
3707 | { |
3353 | /* TODO: use adjustheap and recalculation */ |
3708 | /* TODO: use adjustheap and recalculation */ |
3354 | ev_periodic_stop (EV_A_ w); |
3709 | ev_periodic_stop (EV_A_ w); |
3355 | ev_periodic_start (EV_A_ w); |
3710 | ev_periodic_start (EV_A_ w); |
3356 | } |
3711 | } |
… | |
… | |
3361 | #endif |
3716 | #endif |
3362 | |
3717 | |
3363 | #if EV_SIGNAL_ENABLE |
3718 | #if EV_SIGNAL_ENABLE |
3364 | |
3719 | |
3365 | void noinline |
3720 | void noinline |
3366 | ev_signal_start (EV_P_ ev_signal *w) |
3721 | ev_signal_start (EV_P_ ev_signal *w) EV_THROW |
3367 | { |
3722 | { |
3368 | if (expect_false (ev_is_active (w))) |
3723 | if (expect_false (ev_is_active (w))) |
3369 | return; |
3724 | return; |
3370 | |
3725 | |
3371 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
3726 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
… | |
… | |
3373 | #if EV_MULTIPLICITY |
3728 | #if EV_MULTIPLICITY |
3374 | assert (("libev: a signal must not be attached to two different loops", |
3729 | assert (("libev: a signal must not be attached to two different loops", |
3375 | !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop)); |
3730 | !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop)); |
3376 | |
3731 | |
3377 | signals [w->signum - 1].loop = EV_A; |
3732 | signals [w->signum - 1].loop = EV_A; |
|
|
3733 | ECB_MEMORY_FENCE_RELEASE; |
3378 | #endif |
3734 | #endif |
3379 | |
3735 | |
3380 | EV_FREQUENT_CHECK; |
3736 | EV_FREQUENT_CHECK; |
3381 | |
3737 | |
3382 | #if EV_USE_SIGNALFD |
3738 | #if EV_USE_SIGNALFD |
… | |
… | |
3442 | |
3798 | |
3443 | EV_FREQUENT_CHECK; |
3799 | EV_FREQUENT_CHECK; |
3444 | } |
3800 | } |
3445 | |
3801 | |
3446 | void noinline |
3802 | void noinline |
3447 | ev_signal_stop (EV_P_ ev_signal *w) |
3803 | ev_signal_stop (EV_P_ ev_signal *w) EV_THROW |
3448 | { |
3804 | { |
3449 | clear_pending (EV_A_ (W)w); |
3805 | clear_pending (EV_A_ (W)w); |
3450 | if (expect_false (!ev_is_active (w))) |
3806 | if (expect_false (!ev_is_active (w))) |
3451 | return; |
3807 | return; |
3452 | |
3808 | |
… | |
… | |
3483 | #endif |
3839 | #endif |
3484 | |
3840 | |
3485 | #if EV_CHILD_ENABLE |
3841 | #if EV_CHILD_ENABLE |
3486 | |
3842 | |
3487 | void |
3843 | void |
3488 | ev_child_start (EV_P_ ev_child *w) |
3844 | ev_child_start (EV_P_ ev_child *w) EV_THROW |
3489 | { |
3845 | { |
3490 | #if EV_MULTIPLICITY |
3846 | #if EV_MULTIPLICITY |
3491 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
3847 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
3492 | #endif |
3848 | #endif |
3493 | if (expect_false (ev_is_active (w))) |
3849 | if (expect_false (ev_is_active (w))) |
… | |
… | |
3500 | |
3856 | |
3501 | EV_FREQUENT_CHECK; |
3857 | EV_FREQUENT_CHECK; |
3502 | } |
3858 | } |
3503 | |
3859 | |
3504 | void |
3860 | void |
3505 | ev_child_stop (EV_P_ ev_child *w) |
3861 | ev_child_stop (EV_P_ ev_child *w) EV_THROW |
3506 | { |
3862 | { |
3507 | clear_pending (EV_A_ (W)w); |
3863 | clear_pending (EV_A_ (W)w); |
3508 | if (expect_false (!ev_is_active (w))) |
3864 | if (expect_false (!ev_is_active (w))) |
3509 | return; |
3865 | return; |
3510 | |
3866 | |
… | |
… | |
3537 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
3893 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
3538 | |
3894 | |
3539 | static void noinline |
3895 | static void noinline |
3540 | infy_add (EV_P_ ev_stat *w) |
3896 | infy_add (EV_P_ ev_stat *w) |
3541 | { |
3897 | { |
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); |
3898 | w->wd = inotify_add_watch (fs_fd, w->path, |
|
|
3899 | IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY |
|
|
3900 | | IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO |
|
|
3901 | | IN_DONT_FOLLOW | IN_MASK_ADD); |
3543 | |
3902 | |
3544 | if (w->wd >= 0) |
3903 | if (w->wd >= 0) |
3545 | { |
3904 | { |
3546 | struct statfs sfs; |
3905 | struct statfs sfs; |
3547 | |
3906 | |
… | |
… | |
3551 | |
3910 | |
3552 | if (!fs_2625) |
3911 | if (!fs_2625) |
3553 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
3912 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
3554 | else if (!statfs (w->path, &sfs) |
3913 | else if (!statfs (w->path, &sfs) |
3555 | && (sfs.f_type == 0x1373 /* devfs */ |
3914 | && (sfs.f_type == 0x1373 /* devfs */ |
|
|
3915 | || sfs.f_type == 0x4006 /* fat */ |
|
|
3916 | || sfs.f_type == 0x4d44 /* msdos */ |
3556 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
3917 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
3918 | || sfs.f_type == 0x72b6 /* jffs2 */ |
|
|
3919 | || sfs.f_type == 0x858458f6 /* ramfs */ |
|
|
3920 | || sfs.f_type == 0x5346544e /* ntfs */ |
3557 | || sfs.f_type == 0x3153464a /* jfs */ |
3921 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
3922 | || sfs.f_type == 0x9123683e /* btrfs */ |
3558 | || sfs.f_type == 0x52654973 /* reiser3 */ |
3923 | || sfs.f_type == 0x52654973 /* reiser3 */ |
3559 | || sfs.f_type == 0x01021994 /* tempfs */ |
3924 | || sfs.f_type == 0x01021994 /* tmpfs */ |
3560 | || sfs.f_type == 0x58465342 /* xfs */)) |
3925 | || sfs.f_type == 0x58465342 /* xfs */)) |
3561 | w->timer.repeat = 0.; /* filesystem is local, kernel new enough */ |
3926 | w->timer.repeat = 0.; /* filesystem is local, kernel new enough */ |
3562 | else |
3927 | else |
3563 | w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */ |
3928 | w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */ |
3564 | } |
3929 | } |
… | |
… | |
3677 | } |
4042 | } |
3678 | |
4043 | |
3679 | inline_size int |
4044 | inline_size int |
3680 | infy_newfd (void) |
4045 | infy_newfd (void) |
3681 | { |
4046 | { |
3682 | #if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) |
4047 | #if defined IN_CLOEXEC && defined IN_NONBLOCK |
3683 | int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); |
4048 | int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); |
3684 | if (fd >= 0) |
4049 | if (fd >= 0) |
3685 | return fd; |
4050 | return fd; |
3686 | #endif |
4051 | #endif |
3687 | return inotify_init (); |
4052 | return inotify_init (); |
… | |
… | |
3762 | #else |
4127 | #else |
3763 | # define EV_LSTAT(p,b) lstat (p, b) |
4128 | # define EV_LSTAT(p,b) lstat (p, b) |
3764 | #endif |
4129 | #endif |
3765 | |
4130 | |
3766 | void |
4131 | void |
3767 | ev_stat_stat (EV_P_ ev_stat *w) |
4132 | ev_stat_stat (EV_P_ ev_stat *w) EV_THROW |
3768 | { |
4133 | { |
3769 | if (lstat (w->path, &w->attr) < 0) |
4134 | if (lstat (w->path, &w->attr) < 0) |
3770 | w->attr.st_nlink = 0; |
4135 | w->attr.st_nlink = 0; |
3771 | else if (!w->attr.st_nlink) |
4136 | else if (!w->attr.st_nlink) |
3772 | w->attr.st_nlink = 1; |
4137 | w->attr.st_nlink = 1; |
… | |
… | |
3811 | ev_feed_event (EV_A_ w, EV_STAT); |
4176 | ev_feed_event (EV_A_ w, EV_STAT); |
3812 | } |
4177 | } |
3813 | } |
4178 | } |
3814 | |
4179 | |
3815 | void |
4180 | void |
3816 | ev_stat_start (EV_P_ ev_stat *w) |
4181 | ev_stat_start (EV_P_ ev_stat *w) EV_THROW |
3817 | { |
4182 | { |
3818 | if (expect_false (ev_is_active (w))) |
4183 | if (expect_false (ev_is_active (w))) |
3819 | return; |
4184 | return; |
3820 | |
4185 | |
3821 | ev_stat_stat (EV_A_ w); |
4186 | ev_stat_stat (EV_A_ w); |
… | |
… | |
3842 | |
4207 | |
3843 | EV_FREQUENT_CHECK; |
4208 | EV_FREQUENT_CHECK; |
3844 | } |
4209 | } |
3845 | |
4210 | |
3846 | void |
4211 | void |
3847 | ev_stat_stop (EV_P_ ev_stat *w) |
4212 | ev_stat_stop (EV_P_ ev_stat *w) EV_THROW |
3848 | { |
4213 | { |
3849 | clear_pending (EV_A_ (W)w); |
4214 | clear_pending (EV_A_ (W)w); |
3850 | if (expect_false (!ev_is_active (w))) |
4215 | if (expect_false (!ev_is_active (w))) |
3851 | return; |
4216 | return; |
3852 | |
4217 | |
… | |
… | |
3868 | } |
4233 | } |
3869 | #endif |
4234 | #endif |
3870 | |
4235 | |
3871 | #if EV_IDLE_ENABLE |
4236 | #if EV_IDLE_ENABLE |
3872 | void |
4237 | void |
3873 | ev_idle_start (EV_P_ ev_idle *w) |
4238 | ev_idle_start (EV_P_ ev_idle *w) EV_THROW |
3874 | { |
4239 | { |
3875 | if (expect_false (ev_is_active (w))) |
4240 | if (expect_false (ev_is_active (w))) |
3876 | return; |
4241 | return; |
3877 | |
4242 | |
3878 | pri_adjust (EV_A_ (W)w); |
4243 | pri_adjust (EV_A_ (W)w); |
… | |
… | |
3891 | |
4256 | |
3892 | EV_FREQUENT_CHECK; |
4257 | EV_FREQUENT_CHECK; |
3893 | } |
4258 | } |
3894 | |
4259 | |
3895 | void |
4260 | void |
3896 | ev_idle_stop (EV_P_ ev_idle *w) |
4261 | ev_idle_stop (EV_P_ ev_idle *w) EV_THROW |
3897 | { |
4262 | { |
3898 | clear_pending (EV_A_ (W)w); |
4263 | clear_pending (EV_A_ (W)w); |
3899 | if (expect_false (!ev_is_active (w))) |
4264 | if (expect_false (!ev_is_active (w))) |
3900 | return; |
4265 | return; |
3901 | |
4266 | |
… | |
… | |
3915 | } |
4280 | } |
3916 | #endif |
4281 | #endif |
3917 | |
4282 | |
3918 | #if EV_PREPARE_ENABLE |
4283 | #if EV_PREPARE_ENABLE |
3919 | void |
4284 | void |
3920 | ev_prepare_start (EV_P_ ev_prepare *w) |
4285 | ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW |
3921 | { |
4286 | { |
3922 | if (expect_false (ev_is_active (w))) |
4287 | if (expect_false (ev_is_active (w))) |
3923 | return; |
4288 | return; |
3924 | |
4289 | |
3925 | EV_FREQUENT_CHECK; |
4290 | EV_FREQUENT_CHECK; |
… | |
… | |
3930 | |
4295 | |
3931 | EV_FREQUENT_CHECK; |
4296 | EV_FREQUENT_CHECK; |
3932 | } |
4297 | } |
3933 | |
4298 | |
3934 | void |
4299 | void |
3935 | ev_prepare_stop (EV_P_ ev_prepare *w) |
4300 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW |
3936 | { |
4301 | { |
3937 | clear_pending (EV_A_ (W)w); |
4302 | clear_pending (EV_A_ (W)w); |
3938 | if (expect_false (!ev_is_active (w))) |
4303 | if (expect_false (!ev_is_active (w))) |
3939 | return; |
4304 | return; |
3940 | |
4305 | |
… | |
… | |
3953 | } |
4318 | } |
3954 | #endif |
4319 | #endif |
3955 | |
4320 | |
3956 | #if EV_CHECK_ENABLE |
4321 | #if EV_CHECK_ENABLE |
3957 | void |
4322 | void |
3958 | ev_check_start (EV_P_ ev_check *w) |
4323 | ev_check_start (EV_P_ ev_check *w) EV_THROW |
3959 | { |
4324 | { |
3960 | if (expect_false (ev_is_active (w))) |
4325 | if (expect_false (ev_is_active (w))) |
3961 | return; |
4326 | return; |
3962 | |
4327 | |
3963 | EV_FREQUENT_CHECK; |
4328 | EV_FREQUENT_CHECK; |
… | |
… | |
3968 | |
4333 | |
3969 | EV_FREQUENT_CHECK; |
4334 | EV_FREQUENT_CHECK; |
3970 | } |
4335 | } |
3971 | |
4336 | |
3972 | void |
4337 | void |
3973 | ev_check_stop (EV_P_ ev_check *w) |
4338 | ev_check_stop (EV_P_ ev_check *w) EV_THROW |
3974 | { |
4339 | { |
3975 | clear_pending (EV_A_ (W)w); |
4340 | clear_pending (EV_A_ (W)w); |
3976 | if (expect_false (!ev_is_active (w))) |
4341 | if (expect_false (!ev_is_active (w))) |
3977 | return; |
4342 | return; |
3978 | |
4343 | |
… | |
… | |
3991 | } |
4356 | } |
3992 | #endif |
4357 | #endif |
3993 | |
4358 | |
3994 | #if EV_EMBED_ENABLE |
4359 | #if EV_EMBED_ENABLE |
3995 | void noinline |
4360 | void noinline |
3996 | ev_embed_sweep (EV_P_ ev_embed *w) |
4361 | ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW |
3997 | { |
4362 | { |
3998 | ev_run (w->other, EVRUN_NOWAIT); |
4363 | ev_run (w->other, EVRUN_NOWAIT); |
3999 | } |
4364 | } |
4000 | |
4365 | |
4001 | static void |
4366 | static void |
… | |
… | |
4049 | ev_idle_stop (EV_A_ idle); |
4414 | ev_idle_stop (EV_A_ idle); |
4050 | } |
4415 | } |
4051 | #endif |
4416 | #endif |
4052 | |
4417 | |
4053 | void |
4418 | void |
4054 | ev_embed_start (EV_P_ ev_embed *w) |
4419 | ev_embed_start (EV_P_ ev_embed *w) EV_THROW |
4055 | { |
4420 | { |
4056 | if (expect_false (ev_is_active (w))) |
4421 | if (expect_false (ev_is_active (w))) |
4057 | return; |
4422 | return; |
4058 | |
4423 | |
4059 | { |
4424 | { |
… | |
… | |
4080 | |
4445 | |
4081 | EV_FREQUENT_CHECK; |
4446 | EV_FREQUENT_CHECK; |
4082 | } |
4447 | } |
4083 | |
4448 | |
4084 | void |
4449 | void |
4085 | ev_embed_stop (EV_P_ ev_embed *w) |
4450 | ev_embed_stop (EV_P_ ev_embed *w) EV_THROW |
4086 | { |
4451 | { |
4087 | clear_pending (EV_A_ (W)w); |
4452 | clear_pending (EV_A_ (W)w); |
4088 | if (expect_false (!ev_is_active (w))) |
4453 | if (expect_false (!ev_is_active (w))) |
4089 | return; |
4454 | return; |
4090 | |
4455 | |
… | |
… | |
4100 | } |
4465 | } |
4101 | #endif |
4466 | #endif |
4102 | |
4467 | |
4103 | #if EV_FORK_ENABLE |
4468 | #if EV_FORK_ENABLE |
4104 | void |
4469 | void |
4105 | ev_fork_start (EV_P_ ev_fork *w) |
4470 | ev_fork_start (EV_P_ ev_fork *w) EV_THROW |
4106 | { |
4471 | { |
4107 | if (expect_false (ev_is_active (w))) |
4472 | if (expect_false (ev_is_active (w))) |
4108 | return; |
4473 | return; |
4109 | |
4474 | |
4110 | EV_FREQUENT_CHECK; |
4475 | EV_FREQUENT_CHECK; |
… | |
… | |
4115 | |
4480 | |
4116 | EV_FREQUENT_CHECK; |
4481 | EV_FREQUENT_CHECK; |
4117 | } |
4482 | } |
4118 | |
4483 | |
4119 | void |
4484 | void |
4120 | ev_fork_stop (EV_P_ ev_fork *w) |
4485 | ev_fork_stop (EV_P_ ev_fork *w) EV_THROW |
4121 | { |
4486 | { |
4122 | clear_pending (EV_A_ (W)w); |
4487 | clear_pending (EV_A_ (W)w); |
4123 | if (expect_false (!ev_is_active (w))) |
4488 | if (expect_false (!ev_is_active (w))) |
4124 | return; |
4489 | return; |
4125 | |
4490 | |
… | |
… | |
4138 | } |
4503 | } |
4139 | #endif |
4504 | #endif |
4140 | |
4505 | |
4141 | #if EV_CLEANUP_ENABLE |
4506 | #if EV_CLEANUP_ENABLE |
4142 | void |
4507 | void |
4143 | ev_cleanup_start (EV_P_ ev_cleanup *w) |
4508 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW |
4144 | { |
4509 | { |
4145 | if (expect_false (ev_is_active (w))) |
4510 | if (expect_false (ev_is_active (w))) |
4146 | return; |
4511 | return; |
4147 | |
4512 | |
4148 | EV_FREQUENT_CHECK; |
4513 | EV_FREQUENT_CHECK; |
… | |
… | |
4155 | ev_unref (EV_A); |
4520 | ev_unref (EV_A); |
4156 | EV_FREQUENT_CHECK; |
4521 | EV_FREQUENT_CHECK; |
4157 | } |
4522 | } |
4158 | |
4523 | |
4159 | void |
4524 | void |
4160 | ev_cleanup_stop (EV_P_ ev_cleanup *w) |
4525 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW |
4161 | { |
4526 | { |
4162 | clear_pending (EV_A_ (W)w); |
4527 | clear_pending (EV_A_ (W)w); |
4163 | if (expect_false (!ev_is_active (w))) |
4528 | if (expect_false (!ev_is_active (w))) |
4164 | return; |
4529 | return; |
4165 | |
4530 | |
… | |
… | |
4179 | } |
4544 | } |
4180 | #endif |
4545 | #endif |
4181 | |
4546 | |
4182 | #if EV_ASYNC_ENABLE |
4547 | #if EV_ASYNC_ENABLE |
4183 | void |
4548 | void |
4184 | ev_async_start (EV_P_ ev_async *w) |
4549 | ev_async_start (EV_P_ ev_async *w) EV_THROW |
4185 | { |
4550 | { |
4186 | if (expect_false (ev_is_active (w))) |
4551 | if (expect_false (ev_is_active (w))) |
4187 | return; |
4552 | return; |
4188 | |
4553 | |
4189 | w->sent = 0; |
4554 | w->sent = 0; |
… | |
… | |
4198 | |
4563 | |
4199 | EV_FREQUENT_CHECK; |
4564 | EV_FREQUENT_CHECK; |
4200 | } |
4565 | } |
4201 | |
4566 | |
4202 | void |
4567 | void |
4203 | ev_async_stop (EV_P_ ev_async *w) |
4568 | ev_async_stop (EV_P_ ev_async *w) EV_THROW |
4204 | { |
4569 | { |
4205 | clear_pending (EV_A_ (W)w); |
4570 | clear_pending (EV_A_ (W)w); |
4206 | if (expect_false (!ev_is_active (w))) |
4571 | if (expect_false (!ev_is_active (w))) |
4207 | return; |
4572 | return; |
4208 | |
4573 | |
… | |
… | |
4219 | |
4584 | |
4220 | EV_FREQUENT_CHECK; |
4585 | EV_FREQUENT_CHECK; |
4221 | } |
4586 | } |
4222 | |
4587 | |
4223 | void |
4588 | void |
4224 | ev_async_send (EV_P_ ev_async *w) |
4589 | ev_async_send (EV_P_ ev_async *w) EV_THROW |
4225 | { |
4590 | { |
4226 | w->sent = 1; |
4591 | w->sent = 1; |
4227 | evpipe_write (EV_A_ &async_pending); |
4592 | evpipe_write (EV_A_ &async_pending); |
4228 | } |
4593 | } |
4229 | #endif |
4594 | #endif |
… | |
… | |
4266 | |
4631 | |
4267 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
4632 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
4268 | } |
4633 | } |
4269 | |
4634 | |
4270 | void |
4635 | void |
4271 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
4636 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW |
4272 | { |
4637 | { |
4273 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
4638 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
4274 | |
4639 | |
4275 | if (expect_false (!once)) |
4640 | if (expect_false (!once)) |
4276 | { |
4641 | { |
… | |
… | |
4298 | |
4663 | |
4299 | /*****************************************************************************/ |
4664 | /*****************************************************************************/ |
4300 | |
4665 | |
4301 | #if EV_WALK_ENABLE |
4666 | #if EV_WALK_ENABLE |
4302 | void ecb_cold |
4667 | void ecb_cold |
4303 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) |
4668 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW |
4304 | { |
4669 | { |
4305 | int i, j; |
4670 | int i, j; |
4306 | ev_watcher_list *wl, *wn; |
4671 | ev_watcher_list *wl, *wn; |
4307 | |
4672 | |
4308 | if (types & (EV_IO | EV_EMBED)) |
4673 | if (types & (EV_IO | EV_EMBED)) |