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> |
… | |
… | |
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 0x00010001 |
|
|
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; |
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|
530 | #else |
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|
531 | #define ECB_PTRSIZE 4 |
|
|
532 | typedef uint32_t uintptr_t; |
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|
533 | typedef int32_t intptr_t; |
|
|
534 | #endif |
|
|
535 | typedef intptr_t ptrdiff_t; |
515 | #else |
536 | #else |
516 | #include <inttypes.h> |
537 | #include <inttypes.h> |
|
|
538 | #if UINTMAX_MAX > 0xffffffffU |
|
|
539 | #define ECB_PTRSIZE 8 |
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|
540 | #else |
|
|
541 | #define ECB_PTRSIZE 4 |
|
|
542 | #endif |
517 | #endif |
543 | #endif |
518 | |
544 | |
519 | /* many compilers define _GNUC_ to some versions but then only implement |
545 | /* many compilers define _GNUC_ to some versions but then only implement |
520 | * what their idiot authors think are the "more important" extensions, |
546 | * what their idiot authors think are the "more important" extensions, |
521 | * causing enormous grief in return for some better fake benchmark numbers. |
547 | * causing enormous grief in return for some better fake benchmark numbers. |
522 | * or so. |
548 | * or so. |
523 | * we try to detect these and simply assume they are not gcc - if they have |
549 | * 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. |
550 | * an issue with that they should have done it right in the first place. |
525 | */ |
551 | */ |
526 | #ifndef ECB_GCC_VERSION |
552 | #ifndef ECB_GCC_VERSION |
527 | #if !defined(__GNUC_MINOR__) || defined(__INTEL_COMPILER) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) || defined(__llvm__) || defined(__clang__) |
553 | #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 |
554 | #define ECB_GCC_VERSION(major,minor) 0 |
529 | #else |
555 | #else |
530 | #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) |
556 | #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) |
531 | #endif |
557 | #endif |
532 | #endif |
558 | #endif |
533 | |
559 | |
|
|
560 | #define ECB_C (__STDC__+0) /* this assumes that __STDC__ is either empty or a number */ |
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|
561 | #define ECB_C99 (__STDC_VERSION__ >= 199901L) |
|
|
562 | #define ECB_C11 (__STDC_VERSION__ >= 201112L) |
|
|
563 | #define ECB_CPP (__cplusplus+0) |
|
|
564 | #define ECB_CPP98 (__cplusplus >= 199711L) |
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|
565 | #define ECB_CPP11 (__cplusplus >= 201103L) |
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|
566 | |
534 | /*****************************************************************************/ |
567 | /*****************************************************************************/ |
535 | |
568 | |
536 | /* ECB_NO_THREADS - ecb is not used by multiple threads, ever */ |
569 | /* 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 */ |
570 | /* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */ |
538 | |
571 | |
539 | #if ECB_NO_THREADS || ECB_NO_SMP |
572 | #if ECB_NO_THREADS |
|
|
573 | # define ECB_NO_SMP 1 |
|
|
574 | #endif |
|
|
575 | |
|
|
576 | #if ECB_NO_SMP |
540 | #define ECB_MEMORY_FENCE do { } while (0) |
577 | #define ECB_MEMORY_FENCE do { } while (0) |
541 | #endif |
578 | #endif |
542 | |
579 | |
543 | #ifndef ECB_MEMORY_FENCE |
580 | #ifndef ECB_MEMORY_FENCE |
544 | #if ECB_GCC_VERSION(2,5) || defined(__INTEL_COMPILER) || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
581 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
545 | #if __i386 || __i386__ |
582 | #if __i386 || __i386__ |
546 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
583 | #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 */ |
584 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
548 | #define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */ |
585 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
549 | #elif __amd64 || __amd64__ || __x86_64 || __x86_64__ |
586 | #elif __amd64 || __amd64__ || __x86_64 || __x86_64__ |
550 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
587 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
551 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory") |
588 | #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 */ |
589 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
553 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
590 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
554 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
591 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
555 | #elif defined(__ARM_ARCH_6__ ) || defined(__ARM_ARCH_6J__ ) \ |
592 | #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \ |
556 | || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6ZK__) |
593 | || 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") |
594 | #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__ ) \ |
595 | #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \ |
559 | || defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7R__ ) |
596 | || defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__ |
560 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") |
597 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") |
561 | #elif __sparc || __sparc__ |
598 | #elif __sparc || __sparc__ |
562 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad | " : : : "memory") |
599 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory") |
563 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") |
600 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") |
564 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") |
601 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") |
565 | #elif defined(__s390__) || defined(__s390x__) |
602 | #elif defined __s390__ || defined __s390x__ |
566 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") |
603 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") |
|
|
604 | #elif defined __mips__ |
|
|
605 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
|
|
606 | #elif defined __alpha__ |
|
|
607 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory") |
|
|
608 | #elif defined __hppa__ |
|
|
609 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory") |
|
|
610 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
|
|
611 | #elif defined __ia64__ |
|
|
612 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory") |
567 | #endif |
613 | #endif |
568 | #endif |
614 | #endif |
569 | #endif |
615 | #endif |
570 | |
616 | |
571 | #ifndef ECB_MEMORY_FENCE |
617 | #ifndef ECB_MEMORY_FENCE |
|
|
618 | #if ECB_GCC_VERSION(4,7) |
|
|
619 | /* see comment below about the C11 memory model. in short - avoid */ |
|
|
620 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
|
|
621 | #elif defined __clang && __has_feature (cxx_atomic) |
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|
622 | /* see above */ |
|
|
623 | #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
572 | #if ECB_GCC_VERSION(4,4) || defined(__INTEL_COMPILER) || defined(__clang__) |
624 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
573 | #define ECB_MEMORY_FENCE __sync_synchronize () |
625 | #define ECB_MEMORY_FENCE __sync_synchronize () |
574 | /*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */ |
626 | /*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */ |
575 | /*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */ |
627 | /*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */ |
576 | #elif _MSC_VER >= 1400 /* VC++ 2005 */ |
628 | #elif _MSC_VER >= 1400 /* VC++ 2005 */ |
577 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
629 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
578 | #define ECB_MEMORY_FENCE _ReadWriteBarrier () |
630 | #define ECB_MEMORY_FENCE _ReadWriteBarrier () |
579 | #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */ |
631 | #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */ |
580 | #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () |
632 | #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () |
581 | #elif defined(_WIN32) |
633 | #elif defined _WIN32 |
582 | #include <WinNT.h> |
634 | #include <WinNT.h> |
583 | #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ |
635 | #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ |
584 | #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
636 | #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
585 | #include <mbarrier.h> |
637 | #include <mbarrier.h> |
586 | #define ECB_MEMORY_FENCE __machine_rw_barrier () |
638 | #define ECB_MEMORY_FENCE __machine_rw_barrier () |
587 | #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier () |
639 | #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier () |
588 | #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier () |
640 | #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier () |
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|
641 | #elif __xlC__ |
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|
642 | #define ECB_MEMORY_FENCE __sync () |
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|
643 | #endif |
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644 | #endif |
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645 | |
|
|
646 | #ifndef ECB_MEMORY_FENCE |
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|
647 | #if ECB_C11 && !defined __STDC_NO_ATOMICS__ |
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648 | /* we assume that these memory fences work on all variables/all memory accesses, */ |
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649 | /* not just C11 atomics and atomic accesses */ |
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650 | #include <stdatomic.h> |
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651 | /* unfortunately, the C11 memory model seems to be very limited, and unable to express */ |
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652 | /* simple barrier semantics. That means we need to take out thor's hammer. */ |
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653 | #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst) |
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654 | #endif |
589 | #endif |
655 | #endif |
590 | #endif |
656 | #endif |
591 | |
657 | |
592 | #ifndef ECB_MEMORY_FENCE |
658 | #ifndef ECB_MEMORY_FENCE |
593 | #if !ECB_AVOID_PTHREADS |
659 | #if !ECB_AVOID_PTHREADS |
… | |
… | |
605 | static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER; |
671 | static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER; |
606 | #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0) |
672 | #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0) |
607 | #endif |
673 | #endif |
608 | #endif |
674 | #endif |
609 | |
675 | |
610 | #if !defined(ECB_MEMORY_FENCE_ACQUIRE) && defined(ECB_MEMORY_FENCE) |
676 | #if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE |
611 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
677 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
612 | #endif |
678 | #endif |
613 | |
679 | |
614 | #if !defined(ECB_MEMORY_FENCE_RELEASE) && defined(ECB_MEMORY_FENCE) |
680 | #if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE |
615 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
681 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
616 | #endif |
682 | #endif |
617 | |
683 | |
618 | /*****************************************************************************/ |
684 | /*****************************************************************************/ |
619 | |
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|
620 | #define ECB_C99 (__STDC_VERSION__ >= 199901L) |
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|
621 | |
685 | |
622 | #if __cplusplus |
686 | #if __cplusplus |
623 | #define ecb_inline static inline |
687 | #define ecb_inline static inline |
624 | #elif ECB_GCC_VERSION(2,5) |
688 | #elif ECB_GCC_VERSION(2,5) |
625 | #define ecb_inline static __inline__ |
689 | #define ecb_inline static __inline__ |
… | |
… | |
664 | #elif ECB_GCC_VERSION(3,0) |
728 | #elif ECB_GCC_VERSION(3,0) |
665 | #define ecb_decltype(x) __typeof(x) |
729 | #define ecb_decltype(x) __typeof(x) |
666 | #endif |
730 | #endif |
667 | |
731 | |
668 | #define ecb_noinline ecb_attribute ((__noinline__)) |
732 | #define ecb_noinline ecb_attribute ((__noinline__)) |
669 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
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|
670 | #define ecb_unused ecb_attribute ((__unused__)) |
733 | #define ecb_unused ecb_attribute ((__unused__)) |
671 | #define ecb_const ecb_attribute ((__const__)) |
734 | #define ecb_const ecb_attribute ((__const__)) |
672 | #define ecb_pure ecb_attribute ((__pure__)) |
735 | #define ecb_pure ecb_attribute ((__pure__)) |
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736 | |
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|
737 | #if ECB_C11 |
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|
738 | #define ecb_noreturn _Noreturn |
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|
739 | #else |
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|
740 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
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|
741 | #endif |
673 | |
742 | |
674 | #if ECB_GCC_VERSION(4,3) |
743 | #if ECB_GCC_VERSION(4,3) |
675 | #define ecb_artificial ecb_attribute ((__artificial__)) |
744 | #define ecb_artificial ecb_attribute ((__artificial__)) |
676 | #define ecb_hot ecb_attribute ((__hot__)) |
745 | #define ecb_hot ecb_attribute ((__hot__)) |
677 | #define ecb_cold ecb_attribute ((__cold__)) |
746 | #define ecb_cold ecb_attribute ((__cold__)) |
… | |
… | |
768 | |
837 | |
769 | return r + ecb_ld32 (x); |
838 | return r + ecb_ld32 (x); |
770 | } |
839 | } |
771 | #endif |
840 | #endif |
772 | |
841 | |
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|
842 | ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const; |
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843 | ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); } |
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844 | ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const; |
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845 | ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); } |
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846 | |
773 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const; |
847 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const; |
774 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) |
848 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) |
775 | { |
849 | { |
776 | return ( (x * 0x0802U & 0x22110U) |
850 | return ( (x * 0x0802U & 0x22110U) |
777 | | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16; |
851 | | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16; |
… | |
… | |
1084 | { |
1158 | { |
1085 | write (STDERR_FILENO, msg, strlen (msg)); |
1159 | write (STDERR_FILENO, msg, strlen (msg)); |
1086 | } |
1160 | } |
1087 | #endif |
1161 | #endif |
1088 | |
1162 | |
1089 | static void (*syserr_cb)(const char *msg); |
1163 | static void (*syserr_cb)(const char *msg) EV_THROW; |
1090 | |
1164 | |
1091 | void ecb_cold |
1165 | void ecb_cold |
1092 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
1166 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW |
1093 | { |
1167 | { |
1094 | syserr_cb = cb; |
1168 | syserr_cb = cb; |
1095 | } |
1169 | } |
1096 | |
1170 | |
1097 | static void noinline ecb_cold |
1171 | static void noinline ecb_cold |
… | |
… | |
1115 | abort (); |
1189 | abort (); |
1116 | } |
1190 | } |
1117 | } |
1191 | } |
1118 | |
1192 | |
1119 | static void * |
1193 | static void * |
1120 | ev_realloc_emul (void *ptr, long size) |
1194 | ev_realloc_emul (void *ptr, long size) EV_THROW |
1121 | { |
1195 | { |
1122 | #if __GLIBC__ |
1196 | #if __GLIBC__ |
1123 | return realloc (ptr, size); |
1197 | return realloc (ptr, size); |
1124 | #else |
1198 | #else |
1125 | /* some systems, notably openbsd and darwin, fail to properly |
1199 | /* some systems, notably openbsd and darwin, fail to properly |
… | |
… | |
1133 | free (ptr); |
1207 | free (ptr); |
1134 | return 0; |
1208 | return 0; |
1135 | #endif |
1209 | #endif |
1136 | } |
1210 | } |
1137 | |
1211 | |
1138 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
1212 | static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul; |
1139 | |
1213 | |
1140 | void ecb_cold |
1214 | void ecb_cold |
1141 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
1215 | ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW |
1142 | { |
1216 | { |
1143 | alloc = cb; |
1217 | alloc = cb; |
1144 | } |
1218 | } |
1145 | |
1219 | |
1146 | inline_speed void * |
1220 | inline_speed void * |
… | |
… | |
1263 | |
1337 | |
1264 | /*****************************************************************************/ |
1338 | /*****************************************************************************/ |
1265 | |
1339 | |
1266 | #ifndef EV_HAVE_EV_TIME |
1340 | #ifndef EV_HAVE_EV_TIME |
1267 | ev_tstamp |
1341 | ev_tstamp |
1268 | ev_time (void) |
1342 | ev_time (void) EV_THROW |
1269 | { |
1343 | { |
1270 | #if EV_USE_REALTIME |
1344 | #if EV_USE_REALTIME |
1271 | if (expect_true (have_realtime)) |
1345 | if (expect_true (have_realtime)) |
1272 | { |
1346 | { |
1273 | struct timespec ts; |
1347 | struct timespec ts; |
… | |
… | |
1297 | return ev_time (); |
1371 | return ev_time (); |
1298 | } |
1372 | } |
1299 | |
1373 | |
1300 | #if EV_MULTIPLICITY |
1374 | #if EV_MULTIPLICITY |
1301 | ev_tstamp |
1375 | ev_tstamp |
1302 | ev_now (EV_P) |
1376 | ev_now (EV_P) EV_THROW |
1303 | { |
1377 | { |
1304 | return ev_rt_now; |
1378 | return ev_rt_now; |
1305 | } |
1379 | } |
1306 | #endif |
1380 | #endif |
1307 | |
1381 | |
1308 | void |
1382 | void |
1309 | ev_sleep (ev_tstamp delay) |
1383 | ev_sleep (ev_tstamp delay) EV_THROW |
1310 | { |
1384 | { |
1311 | if (delay > 0.) |
1385 | if (delay > 0.) |
1312 | { |
1386 | { |
1313 | #if EV_USE_NANOSLEEP |
1387 | #if EV_USE_NANOSLEEP |
1314 | struct timespec ts; |
1388 | struct timespec ts; |
1315 | |
1389 | |
1316 | EV_TS_SET (ts, delay); |
1390 | EV_TS_SET (ts, delay); |
1317 | nanosleep (&ts, 0); |
1391 | nanosleep (&ts, 0); |
1318 | #elif defined(_WIN32) |
1392 | #elif defined _WIN32 |
1319 | Sleep ((unsigned long)(delay * 1e3)); |
1393 | Sleep ((unsigned long)(delay * 1e3)); |
1320 | #else |
1394 | #else |
1321 | struct timeval tv; |
1395 | struct timeval tv; |
1322 | |
1396 | |
1323 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
1397 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
… | |
… | |
1395 | pendingcb (EV_P_ ev_prepare *w, int revents) |
1469 | pendingcb (EV_P_ ev_prepare *w, int revents) |
1396 | { |
1470 | { |
1397 | } |
1471 | } |
1398 | |
1472 | |
1399 | void noinline |
1473 | void noinline |
1400 | ev_feed_event (EV_P_ void *w, int revents) |
1474 | ev_feed_event (EV_P_ void *w, int revents) EV_THROW |
1401 | { |
1475 | { |
1402 | W w_ = (W)w; |
1476 | W w_ = (W)w; |
1403 | int pri = ABSPRI (w_); |
1477 | int pri = ABSPRI (w_); |
1404 | |
1478 | |
1405 | if (expect_false (w_->pending)) |
1479 | if (expect_false (w_->pending)) |
… | |
… | |
1409 | w_->pending = ++pendingcnt [pri]; |
1483 | w_->pending = ++pendingcnt [pri]; |
1410 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
1484 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
1411 | pendings [pri][w_->pending - 1].w = w_; |
1485 | pendings [pri][w_->pending - 1].w = w_; |
1412 | pendings [pri][w_->pending - 1].events = revents; |
1486 | pendings [pri][w_->pending - 1].events = revents; |
1413 | } |
1487 | } |
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|
1488 | |
|
|
1489 | pendingpri = NUMPRI - 1; |
1414 | } |
1490 | } |
1415 | |
1491 | |
1416 | inline_speed void |
1492 | inline_speed void |
1417 | feed_reverse (EV_P_ W w) |
1493 | feed_reverse (EV_P_ W w) |
1418 | { |
1494 | { |
… | |
… | |
1464 | if (expect_true (!anfd->reify)) |
1540 | if (expect_true (!anfd->reify)) |
1465 | fd_event_nocheck (EV_A_ fd, revents); |
1541 | fd_event_nocheck (EV_A_ fd, revents); |
1466 | } |
1542 | } |
1467 | |
1543 | |
1468 | void |
1544 | void |
1469 | ev_feed_fd_event (EV_P_ int fd, int revents) |
1545 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW |
1470 | { |
1546 | { |
1471 | if (fd >= 0 && fd < anfdmax) |
1547 | if (fd >= 0 && fd < anfdmax) |
1472 | fd_event_nocheck (EV_A_ fd, revents); |
1548 | fd_event_nocheck (EV_A_ fd, revents); |
1473 | } |
1549 | } |
1474 | |
1550 | |
… | |
… | |
1823 | } |
1899 | } |
1824 | |
1900 | |
1825 | inline_speed void |
1901 | inline_speed void |
1826 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1902 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1827 | { |
1903 | { |
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|
1904 | ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */ |
|
|
1905 | |
1828 | if (expect_true (*flag)) |
1906 | if (expect_true (*flag)) |
1829 | return; |
1907 | return; |
1830 | |
1908 | |
1831 | *flag = 1; |
1909 | *flag = 1; |
1832 | |
|
|
1833 | ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ |
1910 | ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ |
1834 | |
1911 | |
1835 | pipe_write_skipped = 1; |
1912 | pipe_write_skipped = 1; |
1836 | |
1913 | |
1837 | ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */ |
1914 | ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */ |
1838 | |
1915 | |
1839 | if (pipe_write_wanted) |
1916 | if (pipe_write_wanted) |
1840 | { |
1917 | { |
1841 | int old_errno; |
1918 | int old_errno; |
1842 | |
1919 | |
1843 | pipe_write_skipped = 0; /* just an optimisation, no fence needed */ |
1920 | pipe_write_skipped = 0; |
|
|
1921 | ECB_MEMORY_FENCE_RELEASE; |
1844 | |
1922 | |
1845 | old_errno = errno; /* save errno because write will clobber it */ |
1923 | old_errno = errno; /* save errno because write will clobber it */ |
1846 | |
1924 | |
1847 | #if EV_USE_EVENTFD |
1925 | #if EV_USE_EVENTFD |
1848 | if (evfd >= 0) |
1926 | if (evfd >= 0) |
… | |
… | |
1851 | write (evfd, &counter, sizeof (uint64_t)); |
1929 | write (evfd, &counter, sizeof (uint64_t)); |
1852 | } |
1930 | } |
1853 | else |
1931 | else |
1854 | #endif |
1932 | #endif |
1855 | { |
1933 | { |
1856 | /* win32 people keep sending patches that change this write() to send() */ |
1934 | #ifdef _WIN32 |
1857 | /* and then run away. but send() is wrong, it wants a socket handle on win32 */ |
1935 | WSABUF buf; |
1858 | /* so when you think this write should be a send instead, please find out */ |
1936 | DWORD sent; |
1859 | /* where your send() is from - it's definitely not the microsoft send, and */ |
1937 | buf.buf = &buf; |
1860 | /* tell me. thank you. */ |
1938 | buf.len = 1; |
|
|
1939 | WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0); |
|
|
1940 | #else |
1861 | write (evpipe [1], &(evpipe [1]), 1); |
1941 | write (evpipe [1], &(evpipe [1]), 1); |
|
|
1942 | #endif |
1862 | } |
1943 | } |
1863 | |
1944 | |
1864 | errno = old_errno; |
1945 | errno = old_errno; |
1865 | } |
1946 | } |
1866 | } |
1947 | } |
… | |
… | |
1881 | read (evfd, &counter, sizeof (uint64_t)); |
1962 | read (evfd, &counter, sizeof (uint64_t)); |
1882 | } |
1963 | } |
1883 | else |
1964 | else |
1884 | #endif |
1965 | #endif |
1885 | { |
1966 | { |
1886 | char dummy; |
1967 | char dummy[4]; |
1887 | /* see discussion in evpipe_write when you think this read should be recv in win32 */ |
1968 | #ifdef _WIN32 |
|
|
1969 | WSABUF buf; |
|
|
1970 | DWORD recvd; |
|
|
1971 | DWORD flags = 0; |
|
|
1972 | buf.buf = dummy; |
|
|
1973 | buf.len = sizeof (dummy); |
|
|
1974 | WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, &flags, 0, 0); |
|
|
1975 | #else |
1888 | read (evpipe [0], &dummy, 1); |
1976 | read (evpipe [0], &dummy, sizeof (dummy)); |
|
|
1977 | #endif |
1889 | } |
1978 | } |
1890 | } |
1979 | } |
1891 | |
1980 | |
1892 | pipe_write_skipped = 0; |
1981 | pipe_write_skipped = 0; |
|
|
1982 | |
|
|
1983 | ECB_MEMORY_FENCE; /* push out skipped, acquire flags */ |
1893 | |
1984 | |
1894 | #if EV_SIGNAL_ENABLE |
1985 | #if EV_SIGNAL_ENABLE |
1895 | if (sig_pending) |
1986 | if (sig_pending) |
1896 | { |
1987 | { |
1897 | sig_pending = 0; |
1988 | sig_pending = 0; |
|
|
1989 | |
|
|
1990 | ECB_MEMORY_FENCE; |
1898 | |
1991 | |
1899 | for (i = EV_NSIG - 1; i--; ) |
1992 | for (i = EV_NSIG - 1; i--; ) |
1900 | if (expect_false (signals [i].pending)) |
1993 | if (expect_false (signals [i].pending)) |
1901 | ev_feed_signal_event (EV_A_ i + 1); |
1994 | ev_feed_signal_event (EV_A_ i + 1); |
1902 | } |
1995 | } |
… | |
… | |
1904 | |
1997 | |
1905 | #if EV_ASYNC_ENABLE |
1998 | #if EV_ASYNC_ENABLE |
1906 | if (async_pending) |
1999 | if (async_pending) |
1907 | { |
2000 | { |
1908 | async_pending = 0; |
2001 | async_pending = 0; |
|
|
2002 | |
|
|
2003 | ECB_MEMORY_FENCE; |
1909 | |
2004 | |
1910 | for (i = asynccnt; i--; ) |
2005 | for (i = asynccnt; i--; ) |
1911 | if (asyncs [i]->sent) |
2006 | if (asyncs [i]->sent) |
1912 | { |
2007 | { |
1913 | asyncs [i]->sent = 0; |
2008 | asyncs [i]->sent = 0; |
|
|
2009 | ECB_MEMORY_FENCE_RELEASE; |
1914 | ev_feed_event (EV_A_ asyncs [i], EV_ASYNC); |
2010 | ev_feed_event (EV_A_ asyncs [i], EV_ASYNC); |
1915 | } |
2011 | } |
1916 | } |
2012 | } |
1917 | #endif |
2013 | #endif |
1918 | } |
2014 | } |
1919 | |
2015 | |
1920 | /*****************************************************************************/ |
2016 | /*****************************************************************************/ |
1921 | |
2017 | |
1922 | void |
2018 | void |
1923 | ev_feed_signal (int signum) |
2019 | ev_feed_signal (int signum) EV_THROW |
1924 | { |
2020 | { |
1925 | #if EV_MULTIPLICITY |
2021 | #if EV_MULTIPLICITY |
1926 | EV_P = signals [signum - 1].loop; |
2022 | EV_P = signals [signum - 1].loop; |
1927 | |
2023 | |
1928 | if (!EV_A) |
2024 | if (!EV_A) |
… | |
… | |
1945 | |
2041 | |
1946 | ev_feed_signal (signum); |
2042 | ev_feed_signal (signum); |
1947 | } |
2043 | } |
1948 | |
2044 | |
1949 | void noinline |
2045 | void noinline |
1950 | ev_feed_signal_event (EV_P_ int signum) |
2046 | ev_feed_signal_event (EV_P_ int signum) EV_THROW |
1951 | { |
2047 | { |
1952 | WL w; |
2048 | WL w; |
1953 | |
2049 | |
1954 | if (expect_false (signum <= 0 || signum > EV_NSIG)) |
2050 | if (expect_false (signum <= 0 || signum > EV_NSIG)) |
1955 | return; |
2051 | return; |
… | |
… | |
1963 | if (expect_false (signals [signum].loop != EV_A)) |
2059 | if (expect_false (signals [signum].loop != EV_A)) |
1964 | return; |
2060 | return; |
1965 | #endif |
2061 | #endif |
1966 | |
2062 | |
1967 | signals [signum].pending = 0; |
2063 | signals [signum].pending = 0; |
|
|
2064 | ECB_MEMORY_FENCE_RELEASE; |
1968 | |
2065 | |
1969 | for (w = signals [signum].head; w; w = w->next) |
2066 | for (w = signals [signum].head; w; w = w->next) |
1970 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
2067 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
1971 | } |
2068 | } |
1972 | |
2069 | |
… | |
… | |
2071 | #if EV_USE_SELECT |
2168 | #if EV_USE_SELECT |
2072 | # include "ev_select.c" |
2169 | # include "ev_select.c" |
2073 | #endif |
2170 | #endif |
2074 | |
2171 | |
2075 | int ecb_cold |
2172 | int ecb_cold |
2076 | ev_version_major (void) |
2173 | ev_version_major (void) EV_THROW |
2077 | { |
2174 | { |
2078 | return EV_VERSION_MAJOR; |
2175 | return EV_VERSION_MAJOR; |
2079 | } |
2176 | } |
2080 | |
2177 | |
2081 | int ecb_cold |
2178 | int ecb_cold |
2082 | ev_version_minor (void) |
2179 | ev_version_minor (void) EV_THROW |
2083 | { |
2180 | { |
2084 | return EV_VERSION_MINOR; |
2181 | return EV_VERSION_MINOR; |
2085 | } |
2182 | } |
2086 | |
2183 | |
2087 | /* return true if we are running with elevated privileges and should ignore env variables */ |
2184 | /* return true if we are running with elevated privileges and should ignore env variables */ |
… | |
… | |
2095 | || getgid () != getegid (); |
2192 | || getgid () != getegid (); |
2096 | #endif |
2193 | #endif |
2097 | } |
2194 | } |
2098 | |
2195 | |
2099 | unsigned int ecb_cold |
2196 | unsigned int ecb_cold |
2100 | ev_supported_backends (void) |
2197 | ev_supported_backends (void) EV_THROW |
2101 | { |
2198 | { |
2102 | unsigned int flags = 0; |
2199 | unsigned int flags = 0; |
2103 | |
2200 | |
2104 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2201 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2105 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
2202 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
… | |
… | |
2109 | |
2206 | |
2110 | return flags; |
2207 | return flags; |
2111 | } |
2208 | } |
2112 | |
2209 | |
2113 | unsigned int ecb_cold |
2210 | unsigned int ecb_cold |
2114 | ev_recommended_backends (void) |
2211 | ev_recommended_backends (void) EV_THROW |
2115 | { |
2212 | { |
2116 | unsigned int flags = ev_supported_backends (); |
2213 | unsigned int flags = ev_supported_backends (); |
2117 | |
2214 | |
2118 | #ifndef __NetBSD__ |
2215 | #ifndef __NetBSD__ |
2119 | /* kqueue is borked on everything but netbsd apparently */ |
2216 | /* kqueue is borked on everything but netbsd apparently */ |
… | |
… | |
2131 | |
2228 | |
2132 | return flags; |
2229 | return flags; |
2133 | } |
2230 | } |
2134 | |
2231 | |
2135 | unsigned int ecb_cold |
2232 | unsigned int ecb_cold |
2136 | ev_embeddable_backends (void) |
2233 | ev_embeddable_backends (void) EV_THROW |
2137 | { |
2234 | { |
2138 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
2235 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
2139 | |
2236 | |
2140 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2237 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2141 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
2238 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
… | |
… | |
2143 | |
2240 | |
2144 | return flags; |
2241 | return flags; |
2145 | } |
2242 | } |
2146 | |
2243 | |
2147 | unsigned int |
2244 | unsigned int |
2148 | ev_backend (EV_P) |
2245 | ev_backend (EV_P) EV_THROW |
2149 | { |
2246 | { |
2150 | return backend; |
2247 | return backend; |
2151 | } |
2248 | } |
2152 | |
2249 | |
2153 | #if EV_FEATURE_API |
2250 | #if EV_FEATURE_API |
2154 | unsigned int |
2251 | unsigned int |
2155 | ev_iteration (EV_P) |
2252 | ev_iteration (EV_P) EV_THROW |
2156 | { |
2253 | { |
2157 | return loop_count; |
2254 | return loop_count; |
2158 | } |
2255 | } |
2159 | |
2256 | |
2160 | unsigned int |
2257 | unsigned int |
2161 | ev_depth (EV_P) |
2258 | ev_depth (EV_P) EV_THROW |
2162 | { |
2259 | { |
2163 | return loop_depth; |
2260 | return loop_depth; |
2164 | } |
2261 | } |
2165 | |
2262 | |
2166 | void |
2263 | void |
2167 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
2264 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
2168 | { |
2265 | { |
2169 | io_blocktime = interval; |
2266 | io_blocktime = interval; |
2170 | } |
2267 | } |
2171 | |
2268 | |
2172 | void |
2269 | void |
2173 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
2270 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
2174 | { |
2271 | { |
2175 | timeout_blocktime = interval; |
2272 | timeout_blocktime = interval; |
2176 | } |
2273 | } |
2177 | |
2274 | |
2178 | void |
2275 | void |
2179 | ev_set_userdata (EV_P_ void *data) |
2276 | ev_set_userdata (EV_P_ void *data) EV_THROW |
2180 | { |
2277 | { |
2181 | userdata = data; |
2278 | userdata = data; |
2182 | } |
2279 | } |
2183 | |
2280 | |
2184 | void * |
2281 | void * |
2185 | ev_userdata (EV_P) |
2282 | ev_userdata (EV_P) EV_THROW |
2186 | { |
2283 | { |
2187 | return userdata; |
2284 | return userdata; |
2188 | } |
2285 | } |
2189 | |
2286 | |
2190 | void |
2287 | void |
2191 | ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) |
2288 | ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW |
2192 | { |
2289 | { |
2193 | invoke_cb = invoke_pending_cb; |
2290 | invoke_cb = invoke_pending_cb; |
2194 | } |
2291 | } |
2195 | |
2292 | |
2196 | void |
2293 | void |
2197 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) |
2294 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW |
2198 | { |
2295 | { |
2199 | release_cb = release; |
2296 | release_cb = release; |
2200 | acquire_cb = acquire; |
2297 | acquire_cb = acquire; |
2201 | } |
2298 | } |
2202 | #endif |
2299 | #endif |
2203 | |
2300 | |
2204 | /* initialise a loop structure, must be zero-initialised */ |
2301 | /* initialise a loop structure, must be zero-initialised */ |
2205 | static void noinline ecb_cold |
2302 | static void noinline ecb_cold |
2206 | loop_init (EV_P_ unsigned int flags) |
2303 | loop_init (EV_P_ unsigned int flags) EV_THROW |
2207 | { |
2304 | { |
2208 | if (!backend) |
2305 | if (!backend) |
2209 | { |
2306 | { |
2210 | origflags = flags; |
2307 | origflags = flags; |
2211 | |
2308 | |
… | |
… | |
2316 | EV_INVOKE_PENDING; |
2413 | EV_INVOKE_PENDING; |
2317 | } |
2414 | } |
2318 | #endif |
2415 | #endif |
2319 | |
2416 | |
2320 | #if EV_CHILD_ENABLE |
2417 | #if EV_CHILD_ENABLE |
2321 | if (ev_is_active (&childev)) |
2418 | if (ev_is_default_loop (EV_A) && ev_is_active (&childev)) |
2322 | { |
2419 | { |
2323 | ev_ref (EV_A); /* child watcher */ |
2420 | ev_ref (EV_A); /* child watcher */ |
2324 | ev_signal_stop (EV_A_ &childev); |
2421 | ev_signal_stop (EV_A_ &childev); |
2325 | } |
2422 | } |
2326 | #endif |
2423 | #endif |
… | |
… | |
2464 | } |
2561 | } |
2465 | |
2562 | |
2466 | #if EV_MULTIPLICITY |
2563 | #if EV_MULTIPLICITY |
2467 | |
2564 | |
2468 | struct ev_loop * ecb_cold |
2565 | struct ev_loop * ecb_cold |
2469 | ev_loop_new (unsigned int flags) |
2566 | ev_loop_new (unsigned int flags) EV_THROW |
2470 | { |
2567 | { |
2471 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
2568 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
2472 | |
2569 | |
2473 | memset (EV_A, 0, sizeof (struct ev_loop)); |
2570 | memset (EV_A, 0, sizeof (struct ev_loop)); |
2474 | loop_init (EV_A_ flags); |
2571 | loop_init (EV_A_ flags); |
… | |
… | |
2518 | } |
2615 | } |
2519 | #endif |
2616 | #endif |
2520 | |
2617 | |
2521 | #if EV_FEATURE_API |
2618 | #if EV_FEATURE_API |
2522 | void ecb_cold |
2619 | void ecb_cold |
2523 | ev_verify (EV_P) |
2620 | ev_verify (EV_P) EV_THROW |
2524 | { |
2621 | { |
2525 | #if EV_VERIFY |
2622 | #if EV_VERIFY |
2526 | int i; |
2623 | int i; |
2527 | WL w; |
2624 | WL w, w2; |
2528 | |
2625 | |
2529 | assert (activecnt >= -1); |
2626 | assert (activecnt >= -1); |
2530 | |
2627 | |
2531 | assert (fdchangemax >= fdchangecnt); |
2628 | assert (fdchangemax >= fdchangecnt); |
2532 | for (i = 0; i < fdchangecnt; ++i) |
2629 | for (i = 0; i < fdchangecnt; ++i) |
2533 | assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); |
2630 | assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); |
2534 | |
2631 | |
2535 | assert (anfdmax >= 0); |
2632 | assert (anfdmax >= 0); |
2536 | for (i = 0; i < anfdmax; ++i) |
2633 | for (i = 0; i < anfdmax; ++i) |
|
|
2634 | { |
|
|
2635 | int j = 0; |
|
|
2636 | |
2537 | for (w = anfds [i].head; w; w = w->next) |
2637 | for (w = w2 = anfds [i].head; w; w = w->next) |
2538 | { |
2638 | { |
2539 | verify_watcher (EV_A_ (W)w); |
2639 | verify_watcher (EV_A_ (W)w); |
|
|
2640 | |
|
|
2641 | if (j++ & 1) |
|
|
2642 | { |
|
|
2643 | assert (("libev: io watcher list contains a loop", w != w2)); |
|
|
2644 | w2 = w2->next; |
|
|
2645 | } |
|
|
2646 | |
2540 | assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); |
2647 | assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); |
2541 | assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
2648 | assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
2542 | } |
2649 | } |
|
|
2650 | } |
2543 | |
2651 | |
2544 | assert (timermax >= timercnt); |
2652 | assert (timermax >= timercnt); |
2545 | verify_heap (EV_A_ timers, timercnt); |
2653 | verify_heap (EV_A_ timers, timercnt); |
2546 | |
2654 | |
2547 | #if EV_PERIODIC_ENABLE |
2655 | #if EV_PERIODIC_ENABLE |
… | |
… | |
2597 | #if EV_MULTIPLICITY |
2705 | #if EV_MULTIPLICITY |
2598 | struct ev_loop * ecb_cold |
2706 | struct ev_loop * ecb_cold |
2599 | #else |
2707 | #else |
2600 | int |
2708 | int |
2601 | #endif |
2709 | #endif |
2602 | ev_default_loop (unsigned int flags) |
2710 | ev_default_loop (unsigned int flags) EV_THROW |
2603 | { |
2711 | { |
2604 | if (!ev_default_loop_ptr) |
2712 | if (!ev_default_loop_ptr) |
2605 | { |
2713 | { |
2606 | #if EV_MULTIPLICITY |
2714 | #if EV_MULTIPLICITY |
2607 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
2715 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
… | |
… | |
2626 | |
2734 | |
2627 | return ev_default_loop_ptr; |
2735 | return ev_default_loop_ptr; |
2628 | } |
2736 | } |
2629 | |
2737 | |
2630 | void |
2738 | void |
2631 | ev_loop_fork (EV_P) |
2739 | ev_loop_fork (EV_P) EV_THROW |
2632 | { |
2740 | { |
2633 | postfork = 1; /* must be in line with ev_default_fork */ |
2741 | postfork = 1; /* must be in line with ev_default_fork */ |
2634 | } |
2742 | } |
2635 | |
2743 | |
2636 | /*****************************************************************************/ |
2744 | /*****************************************************************************/ |
… | |
… | |
2640 | { |
2748 | { |
2641 | EV_CB_INVOKE ((W)w, revents); |
2749 | EV_CB_INVOKE ((W)w, revents); |
2642 | } |
2750 | } |
2643 | |
2751 | |
2644 | unsigned int |
2752 | unsigned int |
2645 | ev_pending_count (EV_P) |
2753 | ev_pending_count (EV_P) EV_THROW |
2646 | { |
2754 | { |
2647 | int pri; |
2755 | int pri; |
2648 | unsigned int count = 0; |
2756 | unsigned int count = 0; |
2649 | |
2757 | |
2650 | for (pri = NUMPRI; pri--; ) |
2758 | for (pri = NUMPRI; pri--; ) |
… | |
… | |
2654 | } |
2762 | } |
2655 | |
2763 | |
2656 | void noinline |
2764 | void noinline |
2657 | ev_invoke_pending (EV_P) |
2765 | ev_invoke_pending (EV_P) |
2658 | { |
2766 | { |
2659 | int pri; |
2767 | for (pendingpri = NUMPRI; pendingpri--; ) /* pendingpri is modified during the loop */ |
2660 | |
|
|
2661 | for (pri = NUMPRI; pri--; ) |
|
|
2662 | while (pendingcnt [pri]) |
2768 | while (pendingcnt [pendingpri]) |
2663 | { |
2769 | { |
2664 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
2770 | ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri]; |
2665 | |
2771 | |
2666 | p->w->pending = 0; |
2772 | p->w->pending = 0; |
2667 | EV_CB_INVOKE (p->w, p->events); |
2773 | EV_CB_INVOKE (p->w, p->events); |
2668 | EV_FREQUENT_CHECK; |
2774 | EV_FREQUENT_CHECK; |
2669 | } |
2775 | } |
… | |
… | |
2764 | { |
2870 | { |
2765 | EV_FREQUENT_CHECK; |
2871 | EV_FREQUENT_CHECK; |
2766 | |
2872 | |
2767 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
2873 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
2768 | { |
2874 | { |
2769 | int feed_count = 0; |
|
|
2770 | |
|
|
2771 | do |
2875 | do |
2772 | { |
2876 | { |
2773 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
2877 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
2774 | |
2878 | |
2775 | /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ |
2879 | /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ |
… | |
… | |
2909 | |
3013 | |
2910 | mn_now = ev_rt_now; |
3014 | mn_now = ev_rt_now; |
2911 | } |
3015 | } |
2912 | } |
3016 | } |
2913 | |
3017 | |
2914 | void |
3018 | int |
2915 | ev_run (EV_P_ int flags) |
3019 | ev_run (EV_P_ int flags) |
2916 | { |
3020 | { |
2917 | #if EV_FEATURE_API |
3021 | #if EV_FEATURE_API |
2918 | ++loop_depth; |
3022 | ++loop_depth; |
2919 | #endif |
3023 | #endif |
… | |
… | |
3076 | loop_done = EVBREAK_CANCEL; |
3180 | loop_done = EVBREAK_CANCEL; |
3077 | |
3181 | |
3078 | #if EV_FEATURE_API |
3182 | #if EV_FEATURE_API |
3079 | --loop_depth; |
3183 | --loop_depth; |
3080 | #endif |
3184 | #endif |
|
|
3185 | |
|
|
3186 | return activecnt; |
3081 | } |
3187 | } |
3082 | |
3188 | |
3083 | void |
3189 | void |
3084 | ev_break (EV_P_ int how) |
3190 | ev_break (EV_P_ int how) EV_THROW |
3085 | { |
3191 | { |
3086 | loop_done = how; |
3192 | loop_done = how; |
3087 | } |
3193 | } |
3088 | |
3194 | |
3089 | void |
3195 | void |
3090 | ev_ref (EV_P) |
3196 | ev_ref (EV_P) EV_THROW |
3091 | { |
3197 | { |
3092 | ++activecnt; |
3198 | ++activecnt; |
3093 | } |
3199 | } |
3094 | |
3200 | |
3095 | void |
3201 | void |
3096 | ev_unref (EV_P) |
3202 | ev_unref (EV_P) EV_THROW |
3097 | { |
3203 | { |
3098 | --activecnt; |
3204 | --activecnt; |
3099 | } |
3205 | } |
3100 | |
3206 | |
3101 | void |
3207 | void |
3102 | ev_now_update (EV_P) |
3208 | ev_now_update (EV_P) EV_THROW |
3103 | { |
3209 | { |
3104 | time_update (EV_A_ 1e100); |
3210 | time_update (EV_A_ 1e100); |
3105 | } |
3211 | } |
3106 | |
3212 | |
3107 | void |
3213 | void |
3108 | ev_suspend (EV_P) |
3214 | ev_suspend (EV_P) EV_THROW |
3109 | { |
3215 | { |
3110 | ev_now_update (EV_A); |
3216 | ev_now_update (EV_A); |
3111 | } |
3217 | } |
3112 | |
3218 | |
3113 | void |
3219 | void |
3114 | ev_resume (EV_P) |
3220 | ev_resume (EV_P) EV_THROW |
3115 | { |
3221 | { |
3116 | ev_tstamp mn_prev = mn_now; |
3222 | ev_tstamp mn_prev = mn_now; |
3117 | |
3223 | |
3118 | ev_now_update (EV_A); |
3224 | ev_now_update (EV_A); |
3119 | timers_reschedule (EV_A_ mn_now - mn_prev); |
3225 | timers_reschedule (EV_A_ mn_now - mn_prev); |
… | |
… | |
3158 | w->pending = 0; |
3264 | w->pending = 0; |
3159 | } |
3265 | } |
3160 | } |
3266 | } |
3161 | |
3267 | |
3162 | int |
3268 | int |
3163 | ev_clear_pending (EV_P_ void *w) |
3269 | ev_clear_pending (EV_P_ void *w) EV_THROW |
3164 | { |
3270 | { |
3165 | W w_ = (W)w; |
3271 | W w_ = (W)w; |
3166 | int pending = w_->pending; |
3272 | int pending = w_->pending; |
3167 | |
3273 | |
3168 | if (expect_true (pending)) |
3274 | if (expect_true (pending)) |
… | |
… | |
3201 | } |
3307 | } |
3202 | |
3308 | |
3203 | /*****************************************************************************/ |
3309 | /*****************************************************************************/ |
3204 | |
3310 | |
3205 | void noinline |
3311 | void noinline |
3206 | ev_io_start (EV_P_ ev_io *w) |
3312 | ev_io_start (EV_P_ ev_io *w) EV_THROW |
3207 | { |
3313 | { |
3208 | int fd = w->fd; |
3314 | int fd = w->fd; |
3209 | |
3315 | |
3210 | if (expect_false (ev_is_active (w))) |
3316 | if (expect_false (ev_is_active (w))) |
3211 | return; |
3317 | return; |
… | |
… | |
3217 | |
3323 | |
3218 | ev_start (EV_A_ (W)w, 1); |
3324 | ev_start (EV_A_ (W)w, 1); |
3219 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
3325 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
3220 | wlist_add (&anfds[fd].head, (WL)w); |
3326 | wlist_add (&anfds[fd].head, (WL)w); |
3221 | |
3327 | |
|
|
3328 | /* common bug, apparently */ |
|
|
3329 | assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w)); |
|
|
3330 | |
3222 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); |
3331 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); |
3223 | w->events &= ~EV__IOFDSET; |
3332 | w->events &= ~EV__IOFDSET; |
3224 | |
3333 | |
3225 | EV_FREQUENT_CHECK; |
3334 | EV_FREQUENT_CHECK; |
3226 | } |
3335 | } |
3227 | |
3336 | |
3228 | void noinline |
3337 | void noinline |
3229 | ev_io_stop (EV_P_ ev_io *w) |
3338 | ev_io_stop (EV_P_ ev_io *w) EV_THROW |
3230 | { |
3339 | { |
3231 | clear_pending (EV_A_ (W)w); |
3340 | clear_pending (EV_A_ (W)w); |
3232 | if (expect_false (!ev_is_active (w))) |
3341 | if (expect_false (!ev_is_active (w))) |
3233 | return; |
3342 | return; |
3234 | |
3343 | |
… | |
… | |
3243 | |
3352 | |
3244 | EV_FREQUENT_CHECK; |
3353 | EV_FREQUENT_CHECK; |
3245 | } |
3354 | } |
3246 | |
3355 | |
3247 | void noinline |
3356 | void noinline |
3248 | ev_timer_start (EV_P_ ev_timer *w) |
3357 | ev_timer_start (EV_P_ ev_timer *w) EV_THROW |
3249 | { |
3358 | { |
3250 | if (expect_false (ev_is_active (w))) |
3359 | if (expect_false (ev_is_active (w))) |
3251 | return; |
3360 | return; |
3252 | |
3361 | |
3253 | ev_at (w) += mn_now; |
3362 | ev_at (w) += mn_now; |
… | |
… | |
3267 | |
3376 | |
3268 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
3377 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
3269 | } |
3378 | } |
3270 | |
3379 | |
3271 | void noinline |
3380 | void noinline |
3272 | ev_timer_stop (EV_P_ ev_timer *w) |
3381 | ev_timer_stop (EV_P_ ev_timer *w) EV_THROW |
3273 | { |
3382 | { |
3274 | clear_pending (EV_A_ (W)w); |
3383 | clear_pending (EV_A_ (W)w); |
3275 | if (expect_false (!ev_is_active (w))) |
3384 | if (expect_false (!ev_is_active (w))) |
3276 | return; |
3385 | return; |
3277 | |
3386 | |
… | |
… | |
3297 | |
3406 | |
3298 | EV_FREQUENT_CHECK; |
3407 | EV_FREQUENT_CHECK; |
3299 | } |
3408 | } |
3300 | |
3409 | |
3301 | void noinline |
3410 | void noinline |
3302 | ev_timer_again (EV_P_ ev_timer *w) |
3411 | ev_timer_again (EV_P_ ev_timer *w) EV_THROW |
3303 | { |
3412 | { |
3304 | EV_FREQUENT_CHECK; |
3413 | EV_FREQUENT_CHECK; |
3305 | |
3414 | |
3306 | clear_pending (EV_A_ (W)w); |
3415 | clear_pending (EV_A_ (W)w); |
3307 | |
3416 | |
… | |
… | |
3324 | |
3433 | |
3325 | EV_FREQUENT_CHECK; |
3434 | EV_FREQUENT_CHECK; |
3326 | } |
3435 | } |
3327 | |
3436 | |
3328 | ev_tstamp |
3437 | ev_tstamp |
3329 | ev_timer_remaining (EV_P_ ev_timer *w) |
3438 | ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW |
3330 | { |
3439 | { |
3331 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
3440 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
3332 | } |
3441 | } |
3333 | |
3442 | |
3334 | #if EV_PERIODIC_ENABLE |
3443 | #if EV_PERIODIC_ENABLE |
3335 | void noinline |
3444 | void noinline |
3336 | ev_periodic_start (EV_P_ ev_periodic *w) |
3445 | ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW |
3337 | { |
3446 | { |
3338 | if (expect_false (ev_is_active (w))) |
3447 | if (expect_false (ev_is_active (w))) |
3339 | return; |
3448 | return; |
3340 | |
3449 | |
3341 | if (w->reschedule_cb) |
3450 | if (w->reschedule_cb) |
… | |
… | |
3361 | |
3470 | |
3362 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
3471 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
3363 | } |
3472 | } |
3364 | |
3473 | |
3365 | void noinline |
3474 | void noinline |
3366 | ev_periodic_stop (EV_P_ ev_periodic *w) |
3475 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW |
3367 | { |
3476 | { |
3368 | clear_pending (EV_A_ (W)w); |
3477 | clear_pending (EV_A_ (W)w); |
3369 | if (expect_false (!ev_is_active (w))) |
3478 | if (expect_false (!ev_is_active (w))) |
3370 | return; |
3479 | return; |
3371 | |
3480 | |
… | |
… | |
3389 | |
3498 | |
3390 | EV_FREQUENT_CHECK; |
3499 | EV_FREQUENT_CHECK; |
3391 | } |
3500 | } |
3392 | |
3501 | |
3393 | void noinline |
3502 | void noinline |
3394 | ev_periodic_again (EV_P_ ev_periodic *w) |
3503 | ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW |
3395 | { |
3504 | { |
3396 | /* TODO: use adjustheap and recalculation */ |
3505 | /* TODO: use adjustheap and recalculation */ |
3397 | ev_periodic_stop (EV_A_ w); |
3506 | ev_periodic_stop (EV_A_ w); |
3398 | ev_periodic_start (EV_A_ w); |
3507 | ev_periodic_start (EV_A_ w); |
3399 | } |
3508 | } |
… | |
… | |
3404 | #endif |
3513 | #endif |
3405 | |
3514 | |
3406 | #if EV_SIGNAL_ENABLE |
3515 | #if EV_SIGNAL_ENABLE |
3407 | |
3516 | |
3408 | void noinline |
3517 | void noinline |
3409 | ev_signal_start (EV_P_ ev_signal *w) |
3518 | ev_signal_start (EV_P_ ev_signal *w) EV_THROW |
3410 | { |
3519 | { |
3411 | if (expect_false (ev_is_active (w))) |
3520 | if (expect_false (ev_is_active (w))) |
3412 | return; |
3521 | return; |
3413 | |
3522 | |
3414 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
3523 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
… | |
… | |
3485 | |
3594 | |
3486 | EV_FREQUENT_CHECK; |
3595 | EV_FREQUENT_CHECK; |
3487 | } |
3596 | } |
3488 | |
3597 | |
3489 | void noinline |
3598 | void noinline |
3490 | ev_signal_stop (EV_P_ ev_signal *w) |
3599 | ev_signal_stop (EV_P_ ev_signal *w) EV_THROW |
3491 | { |
3600 | { |
3492 | clear_pending (EV_A_ (W)w); |
3601 | clear_pending (EV_A_ (W)w); |
3493 | if (expect_false (!ev_is_active (w))) |
3602 | if (expect_false (!ev_is_active (w))) |
3494 | return; |
3603 | return; |
3495 | |
3604 | |
… | |
… | |
3526 | #endif |
3635 | #endif |
3527 | |
3636 | |
3528 | #if EV_CHILD_ENABLE |
3637 | #if EV_CHILD_ENABLE |
3529 | |
3638 | |
3530 | void |
3639 | void |
3531 | ev_child_start (EV_P_ ev_child *w) |
3640 | ev_child_start (EV_P_ ev_child *w) EV_THROW |
3532 | { |
3641 | { |
3533 | #if EV_MULTIPLICITY |
3642 | #if EV_MULTIPLICITY |
3534 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
3643 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
3535 | #endif |
3644 | #endif |
3536 | if (expect_false (ev_is_active (w))) |
3645 | if (expect_false (ev_is_active (w))) |
… | |
… | |
3543 | |
3652 | |
3544 | EV_FREQUENT_CHECK; |
3653 | EV_FREQUENT_CHECK; |
3545 | } |
3654 | } |
3546 | |
3655 | |
3547 | void |
3656 | void |
3548 | ev_child_stop (EV_P_ ev_child *w) |
3657 | ev_child_stop (EV_P_ ev_child *w) EV_THROW |
3549 | { |
3658 | { |
3550 | clear_pending (EV_A_ (W)w); |
3659 | clear_pending (EV_A_ (W)w); |
3551 | if (expect_false (!ev_is_active (w))) |
3660 | if (expect_false (!ev_is_active (w))) |
3552 | return; |
3661 | return; |
3553 | |
3662 | |
… | |
… | |
3720 | } |
3829 | } |
3721 | |
3830 | |
3722 | inline_size int |
3831 | inline_size int |
3723 | infy_newfd (void) |
3832 | infy_newfd (void) |
3724 | { |
3833 | { |
3725 | #if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) |
3834 | #if defined IN_CLOEXEC && defined IN_NONBLOCK |
3726 | int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); |
3835 | int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); |
3727 | if (fd >= 0) |
3836 | if (fd >= 0) |
3728 | return fd; |
3837 | return fd; |
3729 | #endif |
3838 | #endif |
3730 | return inotify_init (); |
3839 | return inotify_init (); |
… | |
… | |
3805 | #else |
3914 | #else |
3806 | # define EV_LSTAT(p,b) lstat (p, b) |
3915 | # define EV_LSTAT(p,b) lstat (p, b) |
3807 | #endif |
3916 | #endif |
3808 | |
3917 | |
3809 | void |
3918 | void |
3810 | ev_stat_stat (EV_P_ ev_stat *w) |
3919 | ev_stat_stat (EV_P_ ev_stat *w) EV_THROW |
3811 | { |
3920 | { |
3812 | if (lstat (w->path, &w->attr) < 0) |
3921 | if (lstat (w->path, &w->attr) < 0) |
3813 | w->attr.st_nlink = 0; |
3922 | w->attr.st_nlink = 0; |
3814 | else if (!w->attr.st_nlink) |
3923 | else if (!w->attr.st_nlink) |
3815 | w->attr.st_nlink = 1; |
3924 | w->attr.st_nlink = 1; |
… | |
… | |
3854 | ev_feed_event (EV_A_ w, EV_STAT); |
3963 | ev_feed_event (EV_A_ w, EV_STAT); |
3855 | } |
3964 | } |
3856 | } |
3965 | } |
3857 | |
3966 | |
3858 | void |
3967 | void |
3859 | ev_stat_start (EV_P_ ev_stat *w) |
3968 | ev_stat_start (EV_P_ ev_stat *w) EV_THROW |
3860 | { |
3969 | { |
3861 | if (expect_false (ev_is_active (w))) |
3970 | if (expect_false (ev_is_active (w))) |
3862 | return; |
3971 | return; |
3863 | |
3972 | |
3864 | ev_stat_stat (EV_A_ w); |
3973 | ev_stat_stat (EV_A_ w); |
… | |
… | |
3885 | |
3994 | |
3886 | EV_FREQUENT_CHECK; |
3995 | EV_FREQUENT_CHECK; |
3887 | } |
3996 | } |
3888 | |
3997 | |
3889 | void |
3998 | void |
3890 | ev_stat_stop (EV_P_ ev_stat *w) |
3999 | ev_stat_stop (EV_P_ ev_stat *w) EV_THROW |
3891 | { |
4000 | { |
3892 | clear_pending (EV_A_ (W)w); |
4001 | clear_pending (EV_A_ (W)w); |
3893 | if (expect_false (!ev_is_active (w))) |
4002 | if (expect_false (!ev_is_active (w))) |
3894 | return; |
4003 | return; |
3895 | |
4004 | |
… | |
… | |
3911 | } |
4020 | } |
3912 | #endif |
4021 | #endif |
3913 | |
4022 | |
3914 | #if EV_IDLE_ENABLE |
4023 | #if EV_IDLE_ENABLE |
3915 | void |
4024 | void |
3916 | ev_idle_start (EV_P_ ev_idle *w) |
4025 | ev_idle_start (EV_P_ ev_idle *w) EV_THROW |
3917 | { |
4026 | { |
3918 | if (expect_false (ev_is_active (w))) |
4027 | if (expect_false (ev_is_active (w))) |
3919 | return; |
4028 | return; |
3920 | |
4029 | |
3921 | pri_adjust (EV_A_ (W)w); |
4030 | pri_adjust (EV_A_ (W)w); |
… | |
… | |
3934 | |
4043 | |
3935 | EV_FREQUENT_CHECK; |
4044 | EV_FREQUENT_CHECK; |
3936 | } |
4045 | } |
3937 | |
4046 | |
3938 | void |
4047 | void |
3939 | ev_idle_stop (EV_P_ ev_idle *w) |
4048 | ev_idle_stop (EV_P_ ev_idle *w) EV_THROW |
3940 | { |
4049 | { |
3941 | clear_pending (EV_A_ (W)w); |
4050 | clear_pending (EV_A_ (W)w); |
3942 | if (expect_false (!ev_is_active (w))) |
4051 | if (expect_false (!ev_is_active (w))) |
3943 | return; |
4052 | return; |
3944 | |
4053 | |
… | |
… | |
3958 | } |
4067 | } |
3959 | #endif |
4068 | #endif |
3960 | |
4069 | |
3961 | #if EV_PREPARE_ENABLE |
4070 | #if EV_PREPARE_ENABLE |
3962 | void |
4071 | void |
3963 | ev_prepare_start (EV_P_ ev_prepare *w) |
4072 | ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW |
3964 | { |
4073 | { |
3965 | if (expect_false (ev_is_active (w))) |
4074 | if (expect_false (ev_is_active (w))) |
3966 | return; |
4075 | return; |
3967 | |
4076 | |
3968 | EV_FREQUENT_CHECK; |
4077 | EV_FREQUENT_CHECK; |
… | |
… | |
3973 | |
4082 | |
3974 | EV_FREQUENT_CHECK; |
4083 | EV_FREQUENT_CHECK; |
3975 | } |
4084 | } |
3976 | |
4085 | |
3977 | void |
4086 | void |
3978 | ev_prepare_stop (EV_P_ ev_prepare *w) |
4087 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW |
3979 | { |
4088 | { |
3980 | clear_pending (EV_A_ (W)w); |
4089 | clear_pending (EV_A_ (W)w); |
3981 | if (expect_false (!ev_is_active (w))) |
4090 | if (expect_false (!ev_is_active (w))) |
3982 | return; |
4091 | return; |
3983 | |
4092 | |
… | |
… | |
3996 | } |
4105 | } |
3997 | #endif |
4106 | #endif |
3998 | |
4107 | |
3999 | #if EV_CHECK_ENABLE |
4108 | #if EV_CHECK_ENABLE |
4000 | void |
4109 | void |
4001 | ev_check_start (EV_P_ ev_check *w) |
4110 | ev_check_start (EV_P_ ev_check *w) EV_THROW |
4002 | { |
4111 | { |
4003 | if (expect_false (ev_is_active (w))) |
4112 | if (expect_false (ev_is_active (w))) |
4004 | return; |
4113 | return; |
4005 | |
4114 | |
4006 | EV_FREQUENT_CHECK; |
4115 | EV_FREQUENT_CHECK; |
… | |
… | |
4011 | |
4120 | |
4012 | EV_FREQUENT_CHECK; |
4121 | EV_FREQUENT_CHECK; |
4013 | } |
4122 | } |
4014 | |
4123 | |
4015 | void |
4124 | void |
4016 | ev_check_stop (EV_P_ ev_check *w) |
4125 | ev_check_stop (EV_P_ ev_check *w) EV_THROW |
4017 | { |
4126 | { |
4018 | clear_pending (EV_A_ (W)w); |
4127 | clear_pending (EV_A_ (W)w); |
4019 | if (expect_false (!ev_is_active (w))) |
4128 | if (expect_false (!ev_is_active (w))) |
4020 | return; |
4129 | return; |
4021 | |
4130 | |
… | |
… | |
4034 | } |
4143 | } |
4035 | #endif |
4144 | #endif |
4036 | |
4145 | |
4037 | #if EV_EMBED_ENABLE |
4146 | #if EV_EMBED_ENABLE |
4038 | void noinline |
4147 | void noinline |
4039 | ev_embed_sweep (EV_P_ ev_embed *w) |
4148 | ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW |
4040 | { |
4149 | { |
4041 | ev_run (w->other, EVRUN_NOWAIT); |
4150 | ev_run (w->other, EVRUN_NOWAIT); |
4042 | } |
4151 | } |
4043 | |
4152 | |
4044 | static void |
4153 | static void |
… | |
… | |
4092 | ev_idle_stop (EV_A_ idle); |
4201 | ev_idle_stop (EV_A_ idle); |
4093 | } |
4202 | } |
4094 | #endif |
4203 | #endif |
4095 | |
4204 | |
4096 | void |
4205 | void |
4097 | ev_embed_start (EV_P_ ev_embed *w) |
4206 | ev_embed_start (EV_P_ ev_embed *w) EV_THROW |
4098 | { |
4207 | { |
4099 | if (expect_false (ev_is_active (w))) |
4208 | if (expect_false (ev_is_active (w))) |
4100 | return; |
4209 | return; |
4101 | |
4210 | |
4102 | { |
4211 | { |
… | |
… | |
4123 | |
4232 | |
4124 | EV_FREQUENT_CHECK; |
4233 | EV_FREQUENT_CHECK; |
4125 | } |
4234 | } |
4126 | |
4235 | |
4127 | void |
4236 | void |
4128 | ev_embed_stop (EV_P_ ev_embed *w) |
4237 | ev_embed_stop (EV_P_ ev_embed *w) EV_THROW |
4129 | { |
4238 | { |
4130 | clear_pending (EV_A_ (W)w); |
4239 | clear_pending (EV_A_ (W)w); |
4131 | if (expect_false (!ev_is_active (w))) |
4240 | if (expect_false (!ev_is_active (w))) |
4132 | return; |
4241 | return; |
4133 | |
4242 | |
… | |
… | |
4143 | } |
4252 | } |
4144 | #endif |
4253 | #endif |
4145 | |
4254 | |
4146 | #if EV_FORK_ENABLE |
4255 | #if EV_FORK_ENABLE |
4147 | void |
4256 | void |
4148 | ev_fork_start (EV_P_ ev_fork *w) |
4257 | ev_fork_start (EV_P_ ev_fork *w) EV_THROW |
4149 | { |
4258 | { |
4150 | if (expect_false (ev_is_active (w))) |
4259 | if (expect_false (ev_is_active (w))) |
4151 | return; |
4260 | return; |
4152 | |
4261 | |
4153 | EV_FREQUENT_CHECK; |
4262 | EV_FREQUENT_CHECK; |
… | |
… | |
4158 | |
4267 | |
4159 | EV_FREQUENT_CHECK; |
4268 | EV_FREQUENT_CHECK; |
4160 | } |
4269 | } |
4161 | |
4270 | |
4162 | void |
4271 | void |
4163 | ev_fork_stop (EV_P_ ev_fork *w) |
4272 | ev_fork_stop (EV_P_ ev_fork *w) EV_THROW |
4164 | { |
4273 | { |
4165 | clear_pending (EV_A_ (W)w); |
4274 | clear_pending (EV_A_ (W)w); |
4166 | if (expect_false (!ev_is_active (w))) |
4275 | if (expect_false (!ev_is_active (w))) |
4167 | return; |
4276 | return; |
4168 | |
4277 | |
… | |
… | |
4181 | } |
4290 | } |
4182 | #endif |
4291 | #endif |
4183 | |
4292 | |
4184 | #if EV_CLEANUP_ENABLE |
4293 | #if EV_CLEANUP_ENABLE |
4185 | void |
4294 | void |
4186 | ev_cleanup_start (EV_P_ ev_cleanup *w) |
4295 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW |
4187 | { |
4296 | { |
4188 | if (expect_false (ev_is_active (w))) |
4297 | if (expect_false (ev_is_active (w))) |
4189 | return; |
4298 | return; |
4190 | |
4299 | |
4191 | EV_FREQUENT_CHECK; |
4300 | EV_FREQUENT_CHECK; |
… | |
… | |
4198 | ev_unref (EV_A); |
4307 | ev_unref (EV_A); |
4199 | EV_FREQUENT_CHECK; |
4308 | EV_FREQUENT_CHECK; |
4200 | } |
4309 | } |
4201 | |
4310 | |
4202 | void |
4311 | void |
4203 | ev_cleanup_stop (EV_P_ ev_cleanup *w) |
4312 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW |
4204 | { |
4313 | { |
4205 | clear_pending (EV_A_ (W)w); |
4314 | clear_pending (EV_A_ (W)w); |
4206 | if (expect_false (!ev_is_active (w))) |
4315 | if (expect_false (!ev_is_active (w))) |
4207 | return; |
4316 | return; |
4208 | |
4317 | |
… | |
… | |
4222 | } |
4331 | } |
4223 | #endif |
4332 | #endif |
4224 | |
4333 | |
4225 | #if EV_ASYNC_ENABLE |
4334 | #if EV_ASYNC_ENABLE |
4226 | void |
4335 | void |
4227 | ev_async_start (EV_P_ ev_async *w) |
4336 | ev_async_start (EV_P_ ev_async *w) EV_THROW |
4228 | { |
4337 | { |
4229 | if (expect_false (ev_is_active (w))) |
4338 | if (expect_false (ev_is_active (w))) |
4230 | return; |
4339 | return; |
4231 | |
4340 | |
4232 | w->sent = 0; |
4341 | w->sent = 0; |
… | |
… | |
4241 | |
4350 | |
4242 | EV_FREQUENT_CHECK; |
4351 | EV_FREQUENT_CHECK; |
4243 | } |
4352 | } |
4244 | |
4353 | |
4245 | void |
4354 | void |
4246 | ev_async_stop (EV_P_ ev_async *w) |
4355 | ev_async_stop (EV_P_ ev_async *w) EV_THROW |
4247 | { |
4356 | { |
4248 | clear_pending (EV_A_ (W)w); |
4357 | clear_pending (EV_A_ (W)w); |
4249 | if (expect_false (!ev_is_active (w))) |
4358 | if (expect_false (!ev_is_active (w))) |
4250 | return; |
4359 | return; |
4251 | |
4360 | |
… | |
… | |
4262 | |
4371 | |
4263 | EV_FREQUENT_CHECK; |
4372 | EV_FREQUENT_CHECK; |
4264 | } |
4373 | } |
4265 | |
4374 | |
4266 | void |
4375 | void |
4267 | ev_async_send (EV_P_ ev_async *w) |
4376 | ev_async_send (EV_P_ ev_async *w) EV_THROW |
4268 | { |
4377 | { |
4269 | w->sent = 1; |
4378 | w->sent = 1; |
4270 | evpipe_write (EV_A_ &async_pending); |
4379 | evpipe_write (EV_A_ &async_pending); |
4271 | } |
4380 | } |
4272 | #endif |
4381 | #endif |
… | |
… | |
4309 | |
4418 | |
4310 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
4419 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
4311 | } |
4420 | } |
4312 | |
4421 | |
4313 | void |
4422 | void |
4314 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
4423 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW |
4315 | { |
4424 | { |
4316 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
4425 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
4317 | |
4426 | |
4318 | if (expect_false (!once)) |
4427 | if (expect_false (!once)) |
4319 | { |
4428 | { |
… | |
… | |
4341 | |
4450 | |
4342 | /*****************************************************************************/ |
4451 | /*****************************************************************************/ |
4343 | |
4452 | |
4344 | #if EV_WALK_ENABLE |
4453 | #if EV_WALK_ENABLE |
4345 | void ecb_cold |
4454 | void ecb_cold |
4346 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) |
4455 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW |
4347 | { |
4456 | { |
4348 | int i, j; |
4457 | int i, j; |
4349 | ev_watcher_list *wl, *wn; |
4458 | ev_watcher_list *wl, *wn; |
4350 | |
4459 | |
4351 | if (types & (EV_IO | EV_EMBED)) |
4460 | if (types & (EV_IO | EV_EMBED)) |