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 | EV_CPP(extern "C" {) |
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 |
189 | |
198 | |
190 | #ifndef _WIN32 |
199 | #ifndef _WIN32 |
191 | # include <sys/time.h> |
200 | # include <sys/time.h> |
192 | # include <sys/wait.h> |
201 | # include <sys/wait.h> |
193 | # include <unistd.h> |
202 | # include <unistd.h> |
194 | #else |
203 | #else |
195 | # include <io.h> |
204 | # include <io.h> |
196 | # define WIN32_LEAN_AND_MEAN |
205 | # define WIN32_LEAN_AND_MEAN |
|
|
206 | # include <winsock2.h> |
197 | # include <windows.h> |
207 | # include <windows.h> |
198 | # ifndef EV_SELECT_IS_WINSOCKET |
208 | # ifndef EV_SELECT_IS_WINSOCKET |
199 | # define EV_SELECT_IS_WINSOCKET 1 |
209 | # define EV_SELECT_IS_WINSOCKET 1 |
200 | # endif |
210 | # endif |
201 | # undef EV_AVOID_STDIO |
211 | # undef EV_AVOID_STDIO |
… | |
… | |
210 | #define _DARWIN_UNLIMITED_SELECT 1 |
220 | #define _DARWIN_UNLIMITED_SELECT 1 |
211 | |
221 | |
212 | /* 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 */ |
213 | |
223 | |
214 | /* try to deduce the maximum number of signals on this platform */ |
224 | /* try to deduce the maximum number of signals on this platform */ |
215 | #if defined (EV_NSIG) |
225 | #if defined EV_NSIG |
216 | /* use what's provided */ |
226 | /* use what's provided */ |
217 | #elif defined (NSIG) |
227 | #elif defined NSIG |
218 | # define EV_NSIG (NSIG) |
228 | # define EV_NSIG (NSIG) |
219 | #elif defined(_NSIG) |
229 | #elif defined _NSIG |
220 | # define EV_NSIG (_NSIG) |
230 | # define EV_NSIG (_NSIG) |
221 | #elif defined (SIGMAX) |
231 | #elif defined SIGMAX |
222 | # define EV_NSIG (SIGMAX+1) |
232 | # define EV_NSIG (SIGMAX+1) |
223 | #elif defined (SIG_MAX) |
233 | #elif defined SIG_MAX |
224 | # define EV_NSIG (SIG_MAX+1) |
234 | # define EV_NSIG (SIG_MAX+1) |
225 | #elif defined (_SIG_MAX) |
235 | #elif defined _SIG_MAX |
226 | # define EV_NSIG (_SIG_MAX+1) |
236 | # define EV_NSIG (_SIG_MAX+1) |
227 | #elif defined (MAXSIG) |
237 | #elif defined MAXSIG |
228 | # define EV_NSIG (MAXSIG+1) |
238 | # define EV_NSIG (MAXSIG+1) |
229 | #elif defined (MAX_SIG) |
239 | #elif defined MAX_SIG |
230 | # define EV_NSIG (MAX_SIG+1) |
240 | # define EV_NSIG (MAX_SIG+1) |
231 | #elif defined (SIGARRAYSIZE) |
241 | #elif defined SIGARRAYSIZE |
232 | # define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ |
242 | # define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ |
233 | #elif defined (_sys_nsig) |
243 | #elif defined _sys_nsig |
234 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
244 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
235 | #else |
245 | #else |
236 | # error "unable to find value for NSIG, please report" |
246 | # error "unable to find value for NSIG, please report" |
237 | /* to make it compile regardless, just remove the above line, */ |
247 | /* to make it compile regardless, just remove the above line, */ |
238 | /* but consider reporting it, too! :) */ |
248 | /* but consider reporting it, too! :) */ |
… | |
… | |
250 | # define EV_USE_CLOCK_SYSCALL 0 |
260 | # define EV_USE_CLOCK_SYSCALL 0 |
251 | # endif |
261 | # endif |
252 | #endif |
262 | #endif |
253 | |
263 | |
254 | #ifndef EV_USE_MONOTONIC |
264 | #ifndef EV_USE_MONOTONIC |
255 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
265 | # if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0 |
256 | # define EV_USE_MONOTONIC EV_FEATURE_OS |
266 | # define EV_USE_MONOTONIC EV_FEATURE_OS |
257 | # else |
267 | # else |
258 | # define EV_USE_MONOTONIC 0 |
268 | # define EV_USE_MONOTONIC 0 |
259 | # endif |
269 | # endif |
260 | #endif |
270 | #endif |
… | |
… | |
350 | #endif |
360 | #endif |
351 | |
361 | |
352 | /* 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, */ |
353 | /* which makes programs even slower. might work on other unices, too. */ |
363 | /* which makes programs even slower. might work on other unices, too. */ |
354 | #if EV_USE_CLOCK_SYSCALL |
364 | #if EV_USE_CLOCK_SYSCALL |
355 | # include <syscall.h> |
365 | # include <sys/syscall.h> |
356 | # ifdef SYS_clock_gettime |
366 | # ifdef SYS_clock_gettime |
357 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
367 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
358 | # undef EV_USE_MONOTONIC |
368 | # undef EV_USE_MONOTONIC |
359 | # define EV_USE_MONOTONIC 1 |
369 | # define EV_USE_MONOTONIC 1 |
360 | # else |
370 | # else |
… | |
… | |
386 | # define EV_USE_INOTIFY 0 |
396 | # define EV_USE_INOTIFY 0 |
387 | #endif |
397 | #endif |
388 | |
398 | |
389 | #if !EV_USE_NANOSLEEP |
399 | #if !EV_USE_NANOSLEEP |
390 | /* 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 */ |
391 | # if !defined(_WIN32) && !defined(__hpux) |
401 | # if !defined _WIN32 && !defined __hpux |
392 | # include <sys/select.h> |
402 | # include <sys/select.h> |
393 | # endif |
403 | # endif |
394 | #endif |
404 | #endif |
395 | |
405 | |
396 | #if EV_USE_INOTIFY |
406 | #if EV_USE_INOTIFY |
… | |
… | |
399 | /* 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 */ |
400 | # ifndef IN_DONT_FOLLOW |
410 | # ifndef IN_DONT_FOLLOW |
401 | # undef EV_USE_INOTIFY |
411 | # undef EV_USE_INOTIFY |
402 | # define EV_USE_INOTIFY 0 |
412 | # define EV_USE_INOTIFY 0 |
403 | # endif |
413 | # endif |
404 | #endif |
|
|
405 | |
|
|
406 | #if EV_SELECT_IS_WINSOCKET |
|
|
407 | # include <winsock.h> |
|
|
408 | #endif |
414 | #endif |
409 | |
415 | |
410 | #if EV_USE_EVENTFD |
416 | #if EV_USE_EVENTFD |
411 | /* 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 */ |
412 | # include <stdint.h> |
418 | # include <stdint.h> |
… | |
… | |
469 | /* 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 */ |
470 | /* ECB.H BEGIN */ |
476 | /* ECB.H BEGIN */ |
471 | /* |
477 | /* |
472 | * libecb - http://software.schmorp.de/pkg/libecb |
478 | * libecb - http://software.schmorp.de/pkg/libecb |
473 | * |
479 | * |
474 | * Copyright (©) 2009-2011 Marc Alexander Lehmann <libecb@schmorp.de> |
480 | * Copyright (©) 2009-2012 Marc Alexander Lehmann <libecb@schmorp.de> |
475 | * Copyright (©) 2011 Emanuele Giaquinta |
481 | * Copyright (©) 2011 Emanuele Giaquinta |
476 | * All rights reserved. |
482 | * All rights reserved. |
477 | * |
483 | * |
478 | * 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- |
479 | * tion, are permitted provided that the following conditions are met: |
485 | * tion, are permitted provided that the following conditions are met: |
… | |
… | |
498 | */ |
504 | */ |
499 | |
505 | |
500 | #ifndef ECB_H |
506 | #ifndef ECB_H |
501 | #define ECB_H |
507 | #define ECB_H |
502 | |
508 | |
|
|
509 | /* 16 bits major, 16 bits minor */ |
|
|
510 | #define ECB_VERSION 0x00010001 |
|
|
511 | |
503 | #ifdef _WIN32 |
512 | #ifdef _WIN32 |
504 | typedef signed char int8_t; |
513 | typedef signed char int8_t; |
505 | typedef unsigned char uint8_t; |
514 | typedef unsigned char uint8_t; |
506 | typedef signed short int16_t; |
515 | typedef signed short int16_t; |
507 | typedef unsigned short uint16_t; |
516 | typedef unsigned short uint16_t; |
… | |
… | |
512 | typedef unsigned long long uint64_t; |
521 | typedef unsigned long long uint64_t; |
513 | #else /* _MSC_VER || __BORLANDC__ */ |
522 | #else /* _MSC_VER || __BORLANDC__ */ |
514 | typedef signed __int64 int64_t; |
523 | typedef signed __int64 int64_t; |
515 | typedef unsigned __int64 uint64_t; |
524 | typedef unsigned __int64 uint64_t; |
516 | #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 |
|
|
535 | typedef intptr_t ptrdiff_t; |
517 | #else |
536 | #else |
518 | #include <inttypes.h> |
537 | #include <inttypes.h> |
|
|
538 | #if UINTMAX_MAX > 0xffffffffU |
|
|
539 | #define ECB_PTRSIZE 8 |
|
|
540 | #else |
|
|
541 | #define ECB_PTRSIZE 4 |
|
|
542 | #endif |
519 | #endif |
543 | #endif |
520 | |
544 | |
521 | /* many compilers define _GNUC_ to some versions but then only implement |
545 | /* many compilers define _GNUC_ to some versions but then only implement |
522 | * what their idiot authors think are the "more important" extensions, |
546 | * what their idiot authors think are the "more important" extensions, |
523 | * causing enormous grief in return for some better fake benchmark numbers. |
547 | * causing enormous grief in return for some better fake benchmark numbers. |
524 | * or so. |
548 | * or so. |
525 | * 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 |
526 | * 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. |
527 | */ |
551 | */ |
528 | #ifndef ECB_GCC_VERSION |
552 | #ifndef ECB_GCC_VERSION |
529 | #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__ |
530 | #define ECB_GCC_VERSION(major,minor) 0 |
554 | #define ECB_GCC_VERSION(major,minor) 0 |
531 | #else |
555 | #else |
532 | #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))) |
533 | #endif |
557 | #endif |
534 | #endif |
558 | #endif |
535 | |
559 | |
|
|
560 | #define ECB_C (__STDC__+0) /* this assumes that __STDC__ is either empty or a number */ |
|
|
561 | #define ECB_C99 (__STDC_VERSION__ >= 199901L) |
|
|
562 | #define ECB_C11 (__STDC_VERSION__ >= 201112L) |
|
|
563 | #define ECB_CPP (__cplusplus+0) |
|
|
564 | #define ECB_CPP11 (__cplusplus >= 201103L) |
|
|
565 | |
536 | /*****************************************************************************/ |
566 | /*****************************************************************************/ |
537 | |
567 | |
538 | /* ECB_NO_THREADS - ecb is not used by multiple threads, ever */ |
568 | /* ECB_NO_THREADS - ecb is not used by multiple threads, ever */ |
539 | /* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */ |
569 | /* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */ |
540 | |
570 | |
541 | #if ECB_NO_THREADS || ECB_NO_SMP |
571 | #if ECB_NO_THREADS |
|
|
572 | #define ECB_NO_SMP 1 |
|
|
573 | #endif |
|
|
574 | |
|
|
575 | #if ECB_NO_SMP |
542 | #define ECB_MEMORY_FENCE do { } while (0) |
576 | #define ECB_MEMORY_FENCE do { } while (0) |
543 | #endif |
577 | #endif |
544 | |
578 | |
545 | #ifndef ECB_MEMORY_FENCE |
579 | #ifndef ECB_MEMORY_FENCE |
546 | #if ECB_GCC_VERSION(2,5) |
580 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
547 | #if __x86 |
581 | #if __i386 || __i386__ |
548 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
582 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
549 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */ |
583 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
550 | #define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */ |
584 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
551 | #elif __amd64 |
585 | #elif __amd64 || __amd64__ || __x86_64 || __x86_64__ |
552 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
586 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
553 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory") |
587 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
554 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */ |
588 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
555 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
589 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
556 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
590 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
557 | #elif defined(__ARM_ARCH_6__ ) || defined(__ARM_ARCH_6J__ ) \ |
591 | #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \ |
558 | || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6ZK__) |
592 | || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ |
559 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory") |
593 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory") |
560 | #elif defined(__ARM_ARCH_7__ ) || defined(__ARM_ARCH_7A__ ) \ |
594 | #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \ |
561 | || defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7R__ ) |
595 | || defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__ |
562 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") |
596 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") |
|
|
597 | #elif __sparc || __sparc__ |
|
|
598 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory") |
|
|
599 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") |
|
|
600 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") |
|
|
601 | #elif defined __s390__ || defined __s390x__ |
|
|
602 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") |
|
|
603 | #elif defined __mips__ |
|
|
604 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
|
|
605 | #elif defined __alpha__ |
|
|
606 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory") |
|
|
607 | #elif defined __hppa__ |
|
|
608 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory") |
|
|
609 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
|
|
610 | #elif defined __ia64__ |
|
|
611 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory") |
563 | #endif |
612 | #endif |
564 | #endif |
613 | #endif |
565 | #endif |
614 | #endif |
566 | |
615 | |
567 | #ifndef ECB_MEMORY_FENCE |
616 | #ifndef ECB_MEMORY_FENCE |
|
|
617 | #if ECB_GCC_VERSION(4,7) |
|
|
618 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
|
|
619 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
|
|
620 | #elif defined __clang && __has_feature (cxx_atomic) |
|
|
621 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
|
|
622 | #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
568 | #if ECB_GCC_VERSION(4,4) || defined(__INTEL_COMPILER) |
623 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
569 | #define ECB_MEMORY_FENCE __sync_synchronize () |
624 | #define ECB_MEMORY_FENCE __sync_synchronize () |
570 | /*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */ |
|
|
571 | /*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */ |
|
|
572 | #elif _MSC_VER >= 1400 /* VC++ 2005 */ |
625 | #elif _MSC_VER >= 1400 /* VC++ 2005 */ |
573 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
626 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
574 | #define ECB_MEMORY_FENCE _ReadWriteBarrier () |
627 | #define ECB_MEMORY_FENCE _ReadWriteBarrier () |
575 | #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */ |
628 | #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */ |
576 | #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () |
629 | #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () |
577 | #elif defined(_WIN32) |
630 | #elif defined _WIN32 |
578 | #include <WinNT.h> |
631 | #include <WinNT.h> |
579 | #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ |
632 | #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ |
|
|
633 | #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
|
|
634 | #include <mbarrier.h> |
|
|
635 | #define ECB_MEMORY_FENCE __machine_rw_barrier () |
|
|
636 | #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier () |
|
|
637 | #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier () |
|
|
638 | #elif __xlC__ |
|
|
639 | #define ECB_MEMORY_FENCE __sync () |
|
|
640 | #endif |
|
|
641 | #endif |
|
|
642 | |
|
|
643 | #ifndef ECB_MEMORY_FENCE |
|
|
644 | #if ECB_C11 && !defined __STDC_NO_ATOMICS__ |
|
|
645 | /* we assume that these memory fences work on all variables/all memory accesses, */ |
|
|
646 | /* not just C11 atomics and atomic accesses */ |
|
|
647 | #include <stdatomic.h> |
|
|
648 | /* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */ |
|
|
649 | /* any fence other than seq_cst, which isn't very efficient for us. */ |
|
|
650 | /* Why that is, we don't know - either the C11 memory model is quite useless */ |
|
|
651 | /* for most usages, or gcc and clang have a bug */ |
|
|
652 | /* I *currently* lean towards the latter, and inefficiently implement */ |
|
|
653 | /* all three of ecb's fences as a seq_cst fence */ |
|
|
654 | #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst) |
580 | #endif |
655 | #endif |
581 | #endif |
656 | #endif |
582 | |
657 | |
583 | #ifndef ECB_MEMORY_FENCE |
658 | #ifndef ECB_MEMORY_FENCE |
584 | #if !ECB_AVOID_PTHREADS |
659 | #if !ECB_AVOID_PTHREADS |
… | |
… | |
596 | static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER; |
671 | static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER; |
597 | #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) |
598 | #endif |
673 | #endif |
599 | #endif |
674 | #endif |
600 | |
675 | |
601 | #if !defined(ECB_MEMORY_FENCE_ACQUIRE) && defined(ECB_MEMORY_FENCE) |
676 | #if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE |
602 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
677 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
603 | #endif |
678 | #endif |
604 | |
679 | |
605 | #if !defined(ECB_MEMORY_FENCE_RELEASE) && defined(ECB_MEMORY_FENCE) |
680 | #if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE |
606 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
681 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
607 | #endif |
682 | #endif |
608 | |
683 | |
609 | /*****************************************************************************/ |
684 | /*****************************************************************************/ |
610 | |
|
|
611 | #define ECB_C99 (__STDC_VERSION__ >= 199901L) |
|
|
612 | |
685 | |
613 | #if __cplusplus |
686 | #if __cplusplus |
614 | #define ecb_inline static inline |
687 | #define ecb_inline static inline |
615 | #elif ECB_GCC_VERSION(2,5) |
688 | #elif ECB_GCC_VERSION(2,5) |
616 | #define ecb_inline static __inline__ |
689 | #define ecb_inline static __inline__ |
… | |
… | |
655 | #elif ECB_GCC_VERSION(3,0) |
728 | #elif ECB_GCC_VERSION(3,0) |
656 | #define ecb_decltype(x) __typeof(x) |
729 | #define ecb_decltype(x) __typeof(x) |
657 | #endif |
730 | #endif |
658 | |
731 | |
659 | #define ecb_noinline ecb_attribute ((__noinline__)) |
732 | #define ecb_noinline ecb_attribute ((__noinline__)) |
660 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
|
|
661 | #define ecb_unused ecb_attribute ((__unused__)) |
733 | #define ecb_unused ecb_attribute ((__unused__)) |
662 | #define ecb_const ecb_attribute ((__const__)) |
734 | #define ecb_const ecb_attribute ((__const__)) |
663 | #define ecb_pure ecb_attribute ((__pure__)) |
735 | #define ecb_pure ecb_attribute ((__pure__)) |
|
|
736 | |
|
|
737 | #if ECB_C11 |
|
|
738 | #define ecb_noreturn _Noreturn |
|
|
739 | #else |
|
|
740 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
|
|
741 | #endif |
664 | |
742 | |
665 | #if ECB_GCC_VERSION(4,3) |
743 | #if ECB_GCC_VERSION(4,3) |
666 | #define ecb_artificial ecb_attribute ((__artificial__)) |
744 | #define ecb_artificial ecb_attribute ((__artificial__)) |
667 | #define ecb_hot ecb_attribute ((__hot__)) |
745 | #define ecb_hot ecb_attribute ((__hot__)) |
668 | #define ecb_cold ecb_attribute ((__cold__)) |
746 | #define ecb_cold ecb_attribute ((__cold__)) |
… | |
… | |
759 | |
837 | |
760 | return r + ecb_ld32 (x); |
838 | return r + ecb_ld32 (x); |
761 | } |
839 | } |
762 | #endif |
840 | #endif |
763 | |
841 | |
|
|
842 | ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const; |
|
|
843 | ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); } |
|
|
844 | ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const; |
|
|
845 | ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); } |
|
|
846 | |
|
|
847 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const; |
|
|
848 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) |
|
|
849 | { |
|
|
850 | return ( (x * 0x0802U & 0x22110U) |
|
|
851 | | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16; |
|
|
852 | } |
|
|
853 | |
|
|
854 | ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const; |
|
|
855 | ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) |
|
|
856 | { |
|
|
857 | x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1); |
|
|
858 | x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2); |
|
|
859 | x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4); |
|
|
860 | x = ( x >> 8 ) | ( x << 8); |
|
|
861 | |
|
|
862 | return x; |
|
|
863 | } |
|
|
864 | |
|
|
865 | ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const; |
|
|
866 | ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) |
|
|
867 | { |
|
|
868 | x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1); |
|
|
869 | x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2); |
|
|
870 | x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4); |
|
|
871 | x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8); |
|
|
872 | x = ( x >> 16 ) | ( x << 16); |
|
|
873 | |
|
|
874 | return x; |
|
|
875 | } |
|
|
876 | |
764 | /* popcount64 is only available on 64 bit cpus as gcc builtin */ |
877 | /* popcount64 is only available on 64 bit cpus as gcc builtin */ |
765 | /* so for this version we are lazy */ |
878 | /* so for this version we are lazy */ |
766 | ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const; |
879 | ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const; |
767 | ecb_function_ int |
880 | ecb_function_ int |
768 | ecb_popcount64 (uint64_t x) |
881 | ecb_popcount64 (uint64_t x) |
… | |
… | |
817 | |
930 | |
818 | #if ECB_GCC_VERSION(4,5) |
931 | #if ECB_GCC_VERSION(4,5) |
819 | #define ecb_unreachable() __builtin_unreachable () |
932 | #define ecb_unreachable() __builtin_unreachable () |
820 | #else |
933 | #else |
821 | /* this seems to work fine, but gcc always emits a warning for it :/ */ |
934 | /* this seems to work fine, but gcc always emits a warning for it :/ */ |
822 | ecb_function_ void ecb_unreachable (void) ecb_noreturn; |
935 | ecb_inline void ecb_unreachable (void) ecb_noreturn; |
823 | ecb_function_ void ecb_unreachable (void) { } |
936 | ecb_inline void ecb_unreachable (void) { } |
824 | #endif |
937 | #endif |
825 | |
938 | |
826 | /* try to tell the compiler that some condition is definitely true */ |
939 | /* try to tell the compiler that some condition is definitely true */ |
827 | #define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0) |
940 | #define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0) |
828 | |
941 | |
829 | ecb_function_ unsigned char ecb_byteorder_helper (void) ecb_const; |
942 | ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const; |
830 | ecb_function_ unsigned char |
943 | ecb_inline unsigned char |
831 | ecb_byteorder_helper (void) |
944 | ecb_byteorder_helper (void) |
832 | { |
945 | { |
833 | const uint32_t u = 0x11223344; |
946 | const uint32_t u = 0x11223344; |
834 | return *(unsigned char *)&u; |
947 | return *(unsigned char *)&u; |
835 | } |
948 | } |
836 | |
949 | |
837 | ecb_function_ ecb_bool ecb_big_endian (void) ecb_const; |
950 | ecb_inline ecb_bool ecb_big_endian (void) ecb_const; |
838 | ecb_function_ ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; } |
951 | ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; } |
839 | ecb_function_ ecb_bool ecb_little_endian (void) ecb_const; |
952 | ecb_inline ecb_bool ecb_little_endian (void) ecb_const; |
840 | ecb_function_ ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; } |
953 | ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; } |
841 | |
954 | |
842 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
955 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
843 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
956 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
844 | #else |
957 | #else |
845 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
958 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
|
|
959 | #endif |
|
|
960 | |
|
|
961 | #if __cplusplus |
|
|
962 | template<typename T> |
|
|
963 | static inline T ecb_div_rd (T val, T div) |
|
|
964 | { |
|
|
965 | return val < 0 ? - ((-val + div - 1) / div) : (val ) / div; |
|
|
966 | } |
|
|
967 | template<typename T> |
|
|
968 | static inline T ecb_div_ru (T val, T div) |
|
|
969 | { |
|
|
970 | return val < 0 ? - ((-val ) / div) : (val + div - 1) / div; |
|
|
971 | } |
|
|
972 | #else |
|
|
973 | #define ecb_div_rd(val,div) ((val) < 0 ? - ((-(val) + (div) - 1) / (div)) : ((val) ) / (div)) |
|
|
974 | #define ecb_div_ru(val,div) ((val) < 0 ? - ((-(val) ) / (div)) : ((val) + (div) - 1) / (div)) |
846 | #endif |
975 | #endif |
847 | |
976 | |
848 | #if ecb_cplusplus_does_not_suck |
977 | #if ecb_cplusplus_does_not_suck |
849 | /* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */ |
978 | /* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */ |
850 | template<typename T, int N> |
979 | template<typename T, int N> |
… | |
… | |
859 | #endif |
988 | #endif |
860 | |
989 | |
861 | /* ECB.H END */ |
990 | /* ECB.H END */ |
862 | |
991 | |
863 | #if ECB_MEMORY_FENCE_NEEDS_PTHREADS |
992 | #if ECB_MEMORY_FENCE_NEEDS_PTHREADS |
|
|
993 | /* if your architecture doesn't need memory fences, e.g. because it is |
|
|
994 | * single-cpu/core, or if you use libev in a project that doesn't use libev |
|
|
995 | * from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling |
|
|
996 | * libev, in which cases the memory fences become nops. |
|
|
997 | * alternatively, you can remove this #error and link against libpthread, |
|
|
998 | * which will then provide the memory fences. |
|
|
999 | */ |
|
|
1000 | # error "memory fences not defined for your architecture, please report" |
|
|
1001 | #endif |
|
|
1002 | |
864 | # undef ECB_MEMORY_FENCE |
1003 | #ifndef ECB_MEMORY_FENCE |
865 | # undef ECB_MEMORY_FENCE_ACQUIRE |
1004 | # define ECB_MEMORY_FENCE do { } while (0) |
866 | # undef ECB_MEMORY_FENCE_RELEASE |
1005 | # define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
|
|
1006 | # define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
867 | #endif |
1007 | #endif |
868 | |
1008 | |
869 | #define expect_false(cond) ecb_expect_false (cond) |
1009 | #define expect_false(cond) ecb_expect_false (cond) |
870 | #define expect_true(cond) ecb_expect_true (cond) |
1010 | #define expect_true(cond) ecb_expect_true (cond) |
871 | #define noinline ecb_noinline |
1011 | #define noinline ecb_noinline |
… | |
… | |
1018 | { |
1158 | { |
1019 | write (STDERR_FILENO, msg, strlen (msg)); |
1159 | write (STDERR_FILENO, msg, strlen (msg)); |
1020 | } |
1160 | } |
1021 | #endif |
1161 | #endif |
1022 | |
1162 | |
1023 | static void (*syserr_cb)(const char *msg); |
1163 | static void (*syserr_cb)(const char *msg) EV_THROW; |
1024 | |
1164 | |
1025 | void ecb_cold |
1165 | void ecb_cold |
1026 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
1166 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW |
1027 | { |
1167 | { |
1028 | syserr_cb = cb; |
1168 | syserr_cb = cb; |
1029 | } |
1169 | } |
1030 | |
1170 | |
1031 | static void noinline ecb_cold |
1171 | static void noinline ecb_cold |
… | |
… | |
1049 | abort (); |
1189 | abort (); |
1050 | } |
1190 | } |
1051 | } |
1191 | } |
1052 | |
1192 | |
1053 | static void * |
1193 | static void * |
1054 | ev_realloc_emul (void *ptr, long size) |
1194 | ev_realloc_emul (void *ptr, long size) EV_THROW |
1055 | { |
1195 | { |
1056 | #if __GLIBC__ |
|
|
1057 | return realloc (ptr, size); |
|
|
1058 | #else |
|
|
1059 | /* some systems, notably openbsd and darwin, fail to properly |
1196 | /* some systems, notably openbsd and darwin, fail to properly |
1060 | * implement realloc (x, 0) (as required by both ansi c-89 and |
1197 | * implement realloc (x, 0) (as required by both ansi c-89 and |
1061 | * the single unix specification, so work around them here. |
1198 | * the single unix specification, so work around them here. |
|
|
1199 | * recently, also (at least) fedora and debian started breaking it, |
|
|
1200 | * despite documenting it otherwise. |
1062 | */ |
1201 | */ |
1063 | |
1202 | |
1064 | if (size) |
1203 | if (size) |
1065 | return realloc (ptr, size); |
1204 | return realloc (ptr, size); |
1066 | |
1205 | |
1067 | free (ptr); |
1206 | free (ptr); |
1068 | return 0; |
1207 | return 0; |
1069 | #endif |
|
|
1070 | } |
1208 | } |
1071 | |
1209 | |
1072 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
1210 | static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul; |
1073 | |
1211 | |
1074 | void ecb_cold |
1212 | void ecb_cold |
1075 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
1213 | ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW |
1076 | { |
1214 | { |
1077 | alloc = cb; |
1215 | alloc = cb; |
1078 | } |
1216 | } |
1079 | |
1217 | |
1080 | inline_speed void * |
1218 | inline_speed void * |
… | |
… | |
1168 | #undef VAR |
1306 | #undef VAR |
1169 | }; |
1307 | }; |
1170 | #include "ev_wrap.h" |
1308 | #include "ev_wrap.h" |
1171 | |
1309 | |
1172 | static struct ev_loop default_loop_struct; |
1310 | static struct ev_loop default_loop_struct; |
1173 | struct ev_loop *ev_default_loop_ptr; |
1311 | EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */ |
1174 | |
1312 | |
1175 | #else |
1313 | #else |
1176 | |
1314 | |
1177 | ev_tstamp ev_rt_now; |
1315 | EV_API_DECL ev_tstamp ev_rt_now = 0; /* needs to be initialised to make it a definition despite extern */ |
1178 | #define VAR(name,decl) static decl; |
1316 | #define VAR(name,decl) static decl; |
1179 | #include "ev_vars.h" |
1317 | #include "ev_vars.h" |
1180 | #undef VAR |
1318 | #undef VAR |
1181 | |
1319 | |
1182 | static int ev_default_loop_ptr; |
1320 | static int ev_default_loop_ptr; |
… | |
… | |
1197 | |
1335 | |
1198 | /*****************************************************************************/ |
1336 | /*****************************************************************************/ |
1199 | |
1337 | |
1200 | #ifndef EV_HAVE_EV_TIME |
1338 | #ifndef EV_HAVE_EV_TIME |
1201 | ev_tstamp |
1339 | ev_tstamp |
1202 | ev_time (void) |
1340 | ev_time (void) EV_THROW |
1203 | { |
1341 | { |
1204 | #if EV_USE_REALTIME |
1342 | #if EV_USE_REALTIME |
1205 | if (expect_true (have_realtime)) |
1343 | if (expect_true (have_realtime)) |
1206 | { |
1344 | { |
1207 | struct timespec ts; |
1345 | struct timespec ts; |
… | |
… | |
1231 | return ev_time (); |
1369 | return ev_time (); |
1232 | } |
1370 | } |
1233 | |
1371 | |
1234 | #if EV_MULTIPLICITY |
1372 | #if EV_MULTIPLICITY |
1235 | ev_tstamp |
1373 | ev_tstamp |
1236 | ev_now (EV_P) |
1374 | ev_now (EV_P) EV_THROW |
1237 | { |
1375 | { |
1238 | return ev_rt_now; |
1376 | return ev_rt_now; |
1239 | } |
1377 | } |
1240 | #endif |
1378 | #endif |
1241 | |
1379 | |
1242 | void |
1380 | void |
1243 | ev_sleep (ev_tstamp delay) |
1381 | ev_sleep (ev_tstamp delay) EV_THROW |
1244 | { |
1382 | { |
1245 | if (delay > 0.) |
1383 | if (delay > 0.) |
1246 | { |
1384 | { |
1247 | #if EV_USE_NANOSLEEP |
1385 | #if EV_USE_NANOSLEEP |
1248 | struct timespec ts; |
1386 | struct timespec ts; |
1249 | |
1387 | |
1250 | EV_TS_SET (ts, delay); |
1388 | EV_TS_SET (ts, delay); |
1251 | nanosleep (&ts, 0); |
1389 | nanosleep (&ts, 0); |
1252 | #elif defined(_WIN32) |
1390 | #elif defined _WIN32 |
1253 | Sleep ((unsigned long)(delay * 1e3)); |
1391 | Sleep ((unsigned long)(delay * 1e3)); |
1254 | #else |
1392 | #else |
1255 | struct timeval tv; |
1393 | struct timeval tv; |
1256 | |
1394 | |
1257 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
1395 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
… | |
… | |
1276 | |
1414 | |
1277 | do |
1415 | do |
1278 | ncur <<= 1; |
1416 | ncur <<= 1; |
1279 | while (cnt > ncur); |
1417 | while (cnt > ncur); |
1280 | |
1418 | |
1281 | /* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */ |
1419 | /* if size is large, round to MALLOC_ROUND - 4 * longs to accommodate malloc overhead */ |
1282 | if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) |
1420 | if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) |
1283 | { |
1421 | { |
1284 | ncur *= elem; |
1422 | ncur *= elem; |
1285 | ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1); |
1423 | ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1); |
1286 | ncur = ncur - sizeof (void *) * 4; |
1424 | ncur = ncur - sizeof (void *) * 4; |
… | |
… | |
1329 | pendingcb (EV_P_ ev_prepare *w, int revents) |
1467 | pendingcb (EV_P_ ev_prepare *w, int revents) |
1330 | { |
1468 | { |
1331 | } |
1469 | } |
1332 | |
1470 | |
1333 | void noinline |
1471 | void noinline |
1334 | ev_feed_event (EV_P_ void *w, int revents) |
1472 | ev_feed_event (EV_P_ void *w, int revents) EV_THROW |
1335 | { |
1473 | { |
1336 | W w_ = (W)w; |
1474 | W w_ = (W)w; |
1337 | int pri = ABSPRI (w_); |
1475 | int pri = ABSPRI (w_); |
1338 | |
1476 | |
1339 | if (expect_false (w_->pending)) |
1477 | if (expect_false (w_->pending)) |
… | |
… | |
1343 | w_->pending = ++pendingcnt [pri]; |
1481 | w_->pending = ++pendingcnt [pri]; |
1344 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
1482 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
1345 | pendings [pri][w_->pending - 1].w = w_; |
1483 | pendings [pri][w_->pending - 1].w = w_; |
1346 | pendings [pri][w_->pending - 1].events = revents; |
1484 | pendings [pri][w_->pending - 1].events = revents; |
1347 | } |
1485 | } |
|
|
1486 | |
|
|
1487 | pendingpri = NUMPRI - 1; |
1348 | } |
1488 | } |
1349 | |
1489 | |
1350 | inline_speed void |
1490 | inline_speed void |
1351 | feed_reverse (EV_P_ W w) |
1491 | feed_reverse (EV_P_ W w) |
1352 | { |
1492 | { |
… | |
… | |
1398 | if (expect_true (!anfd->reify)) |
1538 | if (expect_true (!anfd->reify)) |
1399 | fd_event_nocheck (EV_A_ fd, revents); |
1539 | fd_event_nocheck (EV_A_ fd, revents); |
1400 | } |
1540 | } |
1401 | |
1541 | |
1402 | void |
1542 | void |
1403 | ev_feed_fd_event (EV_P_ int fd, int revents) |
1543 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW |
1404 | { |
1544 | { |
1405 | if (fd >= 0 && fd < anfdmax) |
1545 | if (fd >= 0 && fd < anfdmax) |
1406 | fd_event_nocheck (EV_A_ fd, revents); |
1546 | fd_event_nocheck (EV_A_ fd, revents); |
1407 | } |
1547 | } |
1408 | |
1548 | |
… | |
… | |
1727 | static void noinline ecb_cold |
1867 | static void noinline ecb_cold |
1728 | evpipe_init (EV_P) |
1868 | evpipe_init (EV_P) |
1729 | { |
1869 | { |
1730 | if (!ev_is_active (&pipe_w)) |
1870 | if (!ev_is_active (&pipe_w)) |
1731 | { |
1871 | { |
|
|
1872 | int fds [2]; |
|
|
1873 | |
1732 | # if EV_USE_EVENTFD |
1874 | # if EV_USE_EVENTFD |
|
|
1875 | fds [0] = -1; |
1733 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
1876 | fds [1] = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
1734 | if (evfd < 0 && errno == EINVAL) |
1877 | if (fds [1] < 0 && errno == EINVAL) |
1735 | evfd = eventfd (0, 0); |
1878 | fds [1] = eventfd (0, 0); |
1736 | |
1879 | |
1737 | if (evfd >= 0) |
1880 | if (fds [1] < 0) |
|
|
1881 | # endif |
1738 | { |
1882 | { |
|
|
1883 | while (pipe (fds)) |
|
|
1884 | ev_syserr ("(libev) error creating signal/async pipe"); |
|
|
1885 | |
|
|
1886 | fd_intern (fds [0]); |
|
|
1887 | } |
|
|
1888 | |
|
|
1889 | fd_intern (fds [1]); |
|
|
1890 | |
1739 | evpipe [0] = -1; |
1891 | evpipe [0] = fds [0]; |
1740 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
1892 | |
1741 | ev_io_set (&pipe_w, evfd, EV_READ); |
1893 | if (evpipe [1] < 0) |
|
|
1894 | evpipe [1] = fds [1]; /* first call, set write fd */ |
|
|
1895 | else |
|
|
1896 | { |
|
|
1897 | /* on subsequent calls, do not change evpipe [1] */ |
|
|
1898 | /* so that evpipe_write can always rely on its value. */ |
|
|
1899 | /* this branch does not do anything sensible on windows, */ |
|
|
1900 | /* so must not be executed on windows */ |
|
|
1901 | |
|
|
1902 | dup2 (fds [1], evpipe [1]); |
|
|
1903 | close (fds [1]); |
|
|
1904 | } |
|
|
1905 | |
|
|
1906 | ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ); |
|
|
1907 | ev_io_start (EV_A_ &pipe_w); |
|
|
1908 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
|
|
1909 | } |
|
|
1910 | } |
|
|
1911 | |
|
|
1912 | inline_speed void |
|
|
1913 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
|
|
1914 | { |
|
|
1915 | ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */ |
|
|
1916 | |
|
|
1917 | if (expect_true (*flag)) |
|
|
1918 | return; |
|
|
1919 | |
|
|
1920 | *flag = 1; |
|
|
1921 | ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ |
|
|
1922 | |
|
|
1923 | pipe_write_skipped = 1; |
|
|
1924 | |
|
|
1925 | ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */ |
|
|
1926 | |
|
|
1927 | if (pipe_write_wanted) |
|
|
1928 | { |
|
|
1929 | int old_errno; |
|
|
1930 | |
|
|
1931 | pipe_write_skipped = 0; |
|
|
1932 | ECB_MEMORY_FENCE_RELEASE; |
|
|
1933 | |
|
|
1934 | old_errno = errno; /* save errno because write will clobber it */ |
|
|
1935 | |
|
|
1936 | #if EV_USE_EVENTFD |
|
|
1937 | if (evpipe [0] < 0) |
|
|
1938 | { |
|
|
1939 | uint64_t counter = 1; |
|
|
1940 | write (evpipe [1], &counter, sizeof (uint64_t)); |
1742 | } |
1941 | } |
1743 | else |
1942 | else |
1744 | # endif |
1943 | #endif |
1745 | { |
1944 | { |
1746 | while (pipe (evpipe)) |
1945 | #ifdef _WIN32 |
1747 | ev_syserr ("(libev) error creating signal/async pipe"); |
1946 | WSABUF buf; |
1748 | |
1947 | DWORD sent; |
1749 | fd_intern (evpipe [0]); |
1948 | buf.buf = &buf; |
1750 | fd_intern (evpipe [1]); |
1949 | buf.len = 1; |
1751 | ev_io_set (&pipe_w, evpipe [0], EV_READ); |
1950 | WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0); |
1752 | } |
1951 | #else |
1753 | |
|
|
1754 | ev_io_start (EV_A_ &pipe_w); |
|
|
1755 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
|
|
1756 | } |
|
|
1757 | } |
|
|
1758 | |
|
|
1759 | inline_speed void |
|
|
1760 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
|
|
1761 | { |
|
|
1762 | if (expect_true (*flag)) |
|
|
1763 | return; |
|
|
1764 | |
|
|
1765 | *flag = 1; |
|
|
1766 | |
|
|
1767 | ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ |
|
|
1768 | |
|
|
1769 | pipe_write_skipped = 1; |
|
|
1770 | |
|
|
1771 | ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */ |
|
|
1772 | |
|
|
1773 | if (pipe_write_wanted) |
|
|
1774 | { |
|
|
1775 | int old_errno; |
|
|
1776 | |
|
|
1777 | pipe_write_skipped = 0; /* just an optimisation, no fence needed */ |
|
|
1778 | |
|
|
1779 | old_errno = errno; /* save errno because write will clobber it */ |
|
|
1780 | |
|
|
1781 | #if EV_USE_EVENTFD |
|
|
1782 | if (evfd >= 0) |
|
|
1783 | { |
|
|
1784 | uint64_t counter = 1; |
|
|
1785 | write (evfd, &counter, sizeof (uint64_t)); |
|
|
1786 | } |
|
|
1787 | else |
|
|
1788 | #endif |
|
|
1789 | { |
|
|
1790 | /* win32 people keep sending patches that change this write() to send() */ |
|
|
1791 | /* and then run away. but send() is wrong, it wants a socket handle on win32 */ |
|
|
1792 | /* so when you think this write should be a send instead, please find out */ |
|
|
1793 | /* where your send() is from - it's definitely not the microsoft send, and */ |
|
|
1794 | /* tell me. thank you. */ |
|
|
1795 | write (evpipe [1], &(evpipe [1]), 1); |
1952 | write (evpipe [1], &(evpipe [1]), 1); |
|
|
1953 | #endif |
1796 | } |
1954 | } |
1797 | |
1955 | |
1798 | errno = old_errno; |
1956 | errno = old_errno; |
1799 | } |
1957 | } |
1800 | } |
1958 | } |
… | |
… | |
1807 | int i; |
1965 | int i; |
1808 | |
1966 | |
1809 | if (revents & EV_READ) |
1967 | if (revents & EV_READ) |
1810 | { |
1968 | { |
1811 | #if EV_USE_EVENTFD |
1969 | #if EV_USE_EVENTFD |
1812 | if (evfd >= 0) |
1970 | if (evpipe [0] < 0) |
1813 | { |
1971 | { |
1814 | uint64_t counter; |
1972 | uint64_t counter; |
1815 | read (evfd, &counter, sizeof (uint64_t)); |
1973 | read (evpipe [1], &counter, sizeof (uint64_t)); |
1816 | } |
1974 | } |
1817 | else |
1975 | else |
1818 | #endif |
1976 | #endif |
1819 | { |
1977 | { |
1820 | char dummy; |
1978 | char dummy[4]; |
1821 | /* see discussion in evpipe_write when you think this read should be recv in win32 */ |
1979 | #ifdef _WIN32 |
|
|
1980 | WSABUF buf; |
|
|
1981 | DWORD recvd; |
|
|
1982 | DWORD flags = 0; |
|
|
1983 | buf.buf = dummy; |
|
|
1984 | buf.len = sizeof (dummy); |
|
|
1985 | WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, &flags, 0, 0); |
|
|
1986 | #else |
1822 | read (evpipe [0], &dummy, 1); |
1987 | read (evpipe [0], &dummy, sizeof (dummy)); |
|
|
1988 | #endif |
1823 | } |
1989 | } |
1824 | } |
1990 | } |
1825 | |
1991 | |
1826 | pipe_write_skipped = 0; |
1992 | pipe_write_skipped = 0; |
|
|
1993 | |
|
|
1994 | ECB_MEMORY_FENCE; /* push out skipped, acquire flags */ |
1827 | |
1995 | |
1828 | #if EV_SIGNAL_ENABLE |
1996 | #if EV_SIGNAL_ENABLE |
1829 | if (sig_pending) |
1997 | if (sig_pending) |
1830 | { |
1998 | { |
1831 | sig_pending = 0; |
1999 | sig_pending = 0; |
|
|
2000 | |
|
|
2001 | ECB_MEMORY_FENCE; |
1832 | |
2002 | |
1833 | for (i = EV_NSIG - 1; i--; ) |
2003 | for (i = EV_NSIG - 1; i--; ) |
1834 | if (expect_false (signals [i].pending)) |
2004 | if (expect_false (signals [i].pending)) |
1835 | ev_feed_signal_event (EV_A_ i + 1); |
2005 | ev_feed_signal_event (EV_A_ i + 1); |
1836 | } |
2006 | } |
… | |
… | |
1838 | |
2008 | |
1839 | #if EV_ASYNC_ENABLE |
2009 | #if EV_ASYNC_ENABLE |
1840 | if (async_pending) |
2010 | if (async_pending) |
1841 | { |
2011 | { |
1842 | async_pending = 0; |
2012 | async_pending = 0; |
|
|
2013 | |
|
|
2014 | ECB_MEMORY_FENCE; |
1843 | |
2015 | |
1844 | for (i = asynccnt; i--; ) |
2016 | for (i = asynccnt; i--; ) |
1845 | if (asyncs [i]->sent) |
2017 | if (asyncs [i]->sent) |
1846 | { |
2018 | { |
1847 | asyncs [i]->sent = 0; |
2019 | asyncs [i]->sent = 0; |
|
|
2020 | ECB_MEMORY_FENCE_RELEASE; |
1848 | ev_feed_event (EV_A_ asyncs [i], EV_ASYNC); |
2021 | ev_feed_event (EV_A_ asyncs [i], EV_ASYNC); |
1849 | } |
2022 | } |
1850 | } |
2023 | } |
1851 | #endif |
2024 | #endif |
1852 | } |
2025 | } |
1853 | |
2026 | |
1854 | /*****************************************************************************/ |
2027 | /*****************************************************************************/ |
1855 | |
2028 | |
1856 | void |
2029 | void |
1857 | ev_feed_signal (int signum) |
2030 | ev_feed_signal (int signum) EV_THROW |
1858 | { |
2031 | { |
1859 | #if EV_MULTIPLICITY |
2032 | #if EV_MULTIPLICITY |
1860 | EV_P = signals [signum - 1].loop; |
2033 | EV_P = signals [signum - 1].loop; |
1861 | |
2034 | |
1862 | if (!EV_A) |
2035 | if (!EV_A) |
1863 | return; |
2036 | return; |
1864 | #endif |
2037 | #endif |
1865 | |
2038 | |
1866 | if (!ev_active (&pipe_w)) |
|
|
1867 | return; |
|
|
1868 | |
|
|
1869 | signals [signum - 1].pending = 1; |
2039 | signals [signum - 1].pending = 1; |
1870 | evpipe_write (EV_A_ &sig_pending); |
2040 | evpipe_write (EV_A_ &sig_pending); |
1871 | } |
2041 | } |
1872 | |
2042 | |
1873 | static void |
2043 | static void |
… | |
… | |
1879 | |
2049 | |
1880 | ev_feed_signal (signum); |
2050 | ev_feed_signal (signum); |
1881 | } |
2051 | } |
1882 | |
2052 | |
1883 | void noinline |
2053 | void noinline |
1884 | ev_feed_signal_event (EV_P_ int signum) |
2054 | ev_feed_signal_event (EV_P_ int signum) EV_THROW |
1885 | { |
2055 | { |
1886 | WL w; |
2056 | WL w; |
1887 | |
2057 | |
1888 | if (expect_false (signum <= 0 || signum > EV_NSIG)) |
2058 | if (expect_false (signum <= 0 || signum >= EV_NSIG)) |
1889 | return; |
2059 | return; |
1890 | |
2060 | |
1891 | --signum; |
2061 | --signum; |
1892 | |
2062 | |
1893 | #if EV_MULTIPLICITY |
2063 | #if EV_MULTIPLICITY |
… | |
… | |
1897 | if (expect_false (signals [signum].loop != EV_A)) |
2067 | if (expect_false (signals [signum].loop != EV_A)) |
1898 | return; |
2068 | return; |
1899 | #endif |
2069 | #endif |
1900 | |
2070 | |
1901 | signals [signum].pending = 0; |
2071 | signals [signum].pending = 0; |
|
|
2072 | ECB_MEMORY_FENCE_RELEASE; |
1902 | |
2073 | |
1903 | for (w = signals [signum].head; w; w = w->next) |
2074 | for (w = signals [signum].head; w; w = w->next) |
1904 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
2075 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
1905 | } |
2076 | } |
1906 | |
2077 | |
… | |
… | |
2005 | #if EV_USE_SELECT |
2176 | #if EV_USE_SELECT |
2006 | # include "ev_select.c" |
2177 | # include "ev_select.c" |
2007 | #endif |
2178 | #endif |
2008 | |
2179 | |
2009 | int ecb_cold |
2180 | int ecb_cold |
2010 | ev_version_major (void) |
2181 | ev_version_major (void) EV_THROW |
2011 | { |
2182 | { |
2012 | return EV_VERSION_MAJOR; |
2183 | return EV_VERSION_MAJOR; |
2013 | } |
2184 | } |
2014 | |
2185 | |
2015 | int ecb_cold |
2186 | int ecb_cold |
2016 | ev_version_minor (void) |
2187 | ev_version_minor (void) EV_THROW |
2017 | { |
2188 | { |
2018 | return EV_VERSION_MINOR; |
2189 | return EV_VERSION_MINOR; |
2019 | } |
2190 | } |
2020 | |
2191 | |
2021 | /* return true if we are running with elevated privileges and should ignore env variables */ |
2192 | /* return true if we are running with elevated privileges and should ignore env variables */ |
… | |
… | |
2029 | || getgid () != getegid (); |
2200 | || getgid () != getegid (); |
2030 | #endif |
2201 | #endif |
2031 | } |
2202 | } |
2032 | |
2203 | |
2033 | unsigned int ecb_cold |
2204 | unsigned int ecb_cold |
2034 | ev_supported_backends (void) |
2205 | ev_supported_backends (void) EV_THROW |
2035 | { |
2206 | { |
2036 | unsigned int flags = 0; |
2207 | unsigned int flags = 0; |
2037 | |
2208 | |
2038 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2209 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2039 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
2210 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
… | |
… | |
2043 | |
2214 | |
2044 | return flags; |
2215 | return flags; |
2045 | } |
2216 | } |
2046 | |
2217 | |
2047 | unsigned int ecb_cold |
2218 | unsigned int ecb_cold |
2048 | ev_recommended_backends (void) |
2219 | ev_recommended_backends (void) EV_THROW |
2049 | { |
2220 | { |
2050 | unsigned int flags = ev_supported_backends (); |
2221 | unsigned int flags = ev_supported_backends (); |
2051 | |
2222 | |
2052 | #ifndef __NetBSD__ |
2223 | #ifndef __NetBSD__ |
2053 | /* kqueue is borked on everything but netbsd apparently */ |
2224 | /* kqueue is borked on everything but netbsd apparently */ |
… | |
… | |
2065 | |
2236 | |
2066 | return flags; |
2237 | return flags; |
2067 | } |
2238 | } |
2068 | |
2239 | |
2069 | unsigned int ecb_cold |
2240 | unsigned int ecb_cold |
2070 | ev_embeddable_backends (void) |
2241 | ev_embeddable_backends (void) EV_THROW |
2071 | { |
2242 | { |
2072 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
2243 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
2073 | |
2244 | |
2074 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2245 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2075 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
2246 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
… | |
… | |
2077 | |
2248 | |
2078 | return flags; |
2249 | return flags; |
2079 | } |
2250 | } |
2080 | |
2251 | |
2081 | unsigned int |
2252 | unsigned int |
2082 | ev_backend (EV_P) |
2253 | ev_backend (EV_P) EV_THROW |
2083 | { |
2254 | { |
2084 | return backend; |
2255 | return backend; |
2085 | } |
2256 | } |
2086 | |
2257 | |
2087 | #if EV_FEATURE_API |
2258 | #if EV_FEATURE_API |
2088 | unsigned int |
2259 | unsigned int |
2089 | ev_iteration (EV_P) |
2260 | ev_iteration (EV_P) EV_THROW |
2090 | { |
2261 | { |
2091 | return loop_count; |
2262 | return loop_count; |
2092 | } |
2263 | } |
2093 | |
2264 | |
2094 | unsigned int |
2265 | unsigned int |
2095 | ev_depth (EV_P) |
2266 | ev_depth (EV_P) EV_THROW |
2096 | { |
2267 | { |
2097 | return loop_depth; |
2268 | return loop_depth; |
2098 | } |
2269 | } |
2099 | |
2270 | |
2100 | void |
2271 | void |
2101 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
2272 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
2102 | { |
2273 | { |
2103 | io_blocktime = interval; |
2274 | io_blocktime = interval; |
2104 | } |
2275 | } |
2105 | |
2276 | |
2106 | void |
2277 | void |
2107 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
2278 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
2108 | { |
2279 | { |
2109 | timeout_blocktime = interval; |
2280 | timeout_blocktime = interval; |
2110 | } |
2281 | } |
2111 | |
2282 | |
2112 | void |
2283 | void |
2113 | ev_set_userdata (EV_P_ void *data) |
2284 | ev_set_userdata (EV_P_ void *data) EV_THROW |
2114 | { |
2285 | { |
2115 | userdata = data; |
2286 | userdata = data; |
2116 | } |
2287 | } |
2117 | |
2288 | |
2118 | void * |
2289 | void * |
2119 | ev_userdata (EV_P) |
2290 | ev_userdata (EV_P) EV_THROW |
2120 | { |
2291 | { |
2121 | return userdata; |
2292 | return userdata; |
2122 | } |
2293 | } |
2123 | |
2294 | |
2124 | void |
2295 | void |
2125 | ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) |
2296 | ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW |
2126 | { |
2297 | { |
2127 | invoke_cb = invoke_pending_cb; |
2298 | invoke_cb = invoke_pending_cb; |
2128 | } |
2299 | } |
2129 | |
2300 | |
2130 | void |
2301 | void |
2131 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) |
2302 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW |
2132 | { |
2303 | { |
2133 | release_cb = release; |
2304 | release_cb = release; |
2134 | acquire_cb = acquire; |
2305 | acquire_cb = acquire; |
2135 | } |
2306 | } |
2136 | #endif |
2307 | #endif |
2137 | |
2308 | |
2138 | /* initialise a loop structure, must be zero-initialised */ |
2309 | /* initialise a loop structure, must be zero-initialised */ |
2139 | static void noinline ecb_cold |
2310 | static void noinline ecb_cold |
2140 | loop_init (EV_P_ unsigned int flags) |
2311 | loop_init (EV_P_ unsigned int flags) EV_THROW |
2141 | { |
2312 | { |
2142 | if (!backend) |
2313 | if (!backend) |
2143 | { |
2314 | { |
2144 | origflags = flags; |
2315 | origflags = flags; |
2145 | |
2316 | |
… | |
… | |
2190 | #if EV_ASYNC_ENABLE |
2361 | #if EV_ASYNC_ENABLE |
2191 | async_pending = 0; |
2362 | async_pending = 0; |
2192 | #endif |
2363 | #endif |
2193 | pipe_write_skipped = 0; |
2364 | pipe_write_skipped = 0; |
2194 | pipe_write_wanted = 0; |
2365 | pipe_write_wanted = 0; |
|
|
2366 | evpipe [0] = -1; |
|
|
2367 | evpipe [1] = -1; |
2195 | #if EV_USE_INOTIFY |
2368 | #if EV_USE_INOTIFY |
2196 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
2369 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
2197 | #endif |
2370 | #endif |
2198 | #if EV_USE_SIGNALFD |
2371 | #if EV_USE_SIGNALFD |
2199 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
2372 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
… | |
… | |
2250 | EV_INVOKE_PENDING; |
2423 | EV_INVOKE_PENDING; |
2251 | } |
2424 | } |
2252 | #endif |
2425 | #endif |
2253 | |
2426 | |
2254 | #if EV_CHILD_ENABLE |
2427 | #if EV_CHILD_ENABLE |
2255 | if (ev_is_active (&childev)) |
2428 | if (ev_is_default_loop (EV_A) && ev_is_active (&childev)) |
2256 | { |
2429 | { |
2257 | ev_ref (EV_A); /* child watcher */ |
2430 | ev_ref (EV_A); /* child watcher */ |
2258 | ev_signal_stop (EV_A_ &childev); |
2431 | ev_signal_stop (EV_A_ &childev); |
2259 | } |
2432 | } |
2260 | #endif |
2433 | #endif |
… | |
… | |
2262 | if (ev_is_active (&pipe_w)) |
2435 | if (ev_is_active (&pipe_w)) |
2263 | { |
2436 | { |
2264 | /*ev_ref (EV_A);*/ |
2437 | /*ev_ref (EV_A);*/ |
2265 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
2438 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
2266 | |
2439 | |
2267 | #if EV_USE_EVENTFD |
|
|
2268 | if (evfd >= 0) |
|
|
2269 | close (evfd); |
|
|
2270 | #endif |
|
|
2271 | |
|
|
2272 | if (evpipe [0] >= 0) |
|
|
2273 | { |
|
|
2274 | EV_WIN32_CLOSE_FD (evpipe [0]); |
2440 | if (evpipe [0] >= 0) EV_WIN32_CLOSE_FD (evpipe [0]); |
2275 | EV_WIN32_CLOSE_FD (evpipe [1]); |
2441 | if (evpipe [1] >= 0) EV_WIN32_CLOSE_FD (evpipe [1]); |
2276 | } |
|
|
2277 | } |
2442 | } |
2278 | |
2443 | |
2279 | #if EV_USE_SIGNALFD |
2444 | #if EV_USE_SIGNALFD |
2280 | if (ev_is_active (&sigfd_w)) |
2445 | if (ev_is_active (&sigfd_w)) |
2281 | close (sigfd); |
2446 | close (sigfd); |
… | |
… | |
2367 | #endif |
2532 | #endif |
2368 | #if EV_USE_INOTIFY |
2533 | #if EV_USE_INOTIFY |
2369 | infy_fork (EV_A); |
2534 | infy_fork (EV_A); |
2370 | #endif |
2535 | #endif |
2371 | |
2536 | |
|
|
2537 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2372 | if (ev_is_active (&pipe_w)) |
2538 | if (ev_is_active (&pipe_w)) |
2373 | { |
2539 | { |
2374 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
2540 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
2375 | |
2541 | |
2376 | ev_ref (EV_A); |
2542 | ev_ref (EV_A); |
2377 | ev_io_stop (EV_A_ &pipe_w); |
2543 | ev_io_stop (EV_A_ &pipe_w); |
2378 | |
2544 | |
2379 | #if EV_USE_EVENTFD |
|
|
2380 | if (evfd >= 0) |
|
|
2381 | close (evfd); |
|
|
2382 | #endif |
|
|
2383 | |
|
|
2384 | if (evpipe [0] >= 0) |
2545 | if (evpipe [0] >= 0) |
2385 | { |
|
|
2386 | EV_WIN32_CLOSE_FD (evpipe [0]); |
2546 | EV_WIN32_CLOSE_FD (evpipe [0]); |
2387 | EV_WIN32_CLOSE_FD (evpipe [1]); |
|
|
2388 | } |
|
|
2389 | |
2547 | |
2390 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
|
|
2391 | evpipe_init (EV_A); |
2548 | evpipe_init (EV_A); |
2392 | /* now iterate over everything, in case we missed something */ |
2549 | /* iterate over everything, in case we missed something before */ |
2393 | pipecb (EV_A_ &pipe_w, EV_READ); |
2550 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
2394 | #endif |
|
|
2395 | } |
2551 | } |
|
|
2552 | #endif |
2396 | |
2553 | |
2397 | postfork = 0; |
2554 | postfork = 0; |
2398 | } |
2555 | } |
2399 | |
2556 | |
2400 | #if EV_MULTIPLICITY |
2557 | #if EV_MULTIPLICITY |
2401 | |
2558 | |
2402 | struct ev_loop * ecb_cold |
2559 | struct ev_loop * ecb_cold |
2403 | ev_loop_new (unsigned int flags) |
2560 | ev_loop_new (unsigned int flags) EV_THROW |
2404 | { |
2561 | { |
2405 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
2562 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
2406 | |
2563 | |
2407 | memset (EV_A, 0, sizeof (struct ev_loop)); |
2564 | memset (EV_A, 0, sizeof (struct ev_loop)); |
2408 | loop_init (EV_A_ flags); |
2565 | loop_init (EV_A_ flags); |
… | |
… | |
2452 | } |
2609 | } |
2453 | #endif |
2610 | #endif |
2454 | |
2611 | |
2455 | #if EV_FEATURE_API |
2612 | #if EV_FEATURE_API |
2456 | void ecb_cold |
2613 | void ecb_cold |
2457 | ev_verify (EV_P) |
2614 | ev_verify (EV_P) EV_THROW |
2458 | { |
2615 | { |
2459 | #if EV_VERIFY |
2616 | #if EV_VERIFY |
2460 | int i; |
2617 | int i; |
2461 | WL w; |
2618 | WL w, w2; |
2462 | |
2619 | |
2463 | assert (activecnt >= -1); |
2620 | assert (activecnt >= -1); |
2464 | |
2621 | |
2465 | assert (fdchangemax >= fdchangecnt); |
2622 | assert (fdchangemax >= fdchangecnt); |
2466 | for (i = 0; i < fdchangecnt; ++i) |
2623 | for (i = 0; i < fdchangecnt; ++i) |
2467 | assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); |
2624 | assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); |
2468 | |
2625 | |
2469 | assert (anfdmax >= 0); |
2626 | assert (anfdmax >= 0); |
2470 | for (i = 0; i < anfdmax; ++i) |
2627 | for (i = 0; i < anfdmax; ++i) |
|
|
2628 | { |
|
|
2629 | int j = 0; |
|
|
2630 | |
2471 | for (w = anfds [i].head; w; w = w->next) |
2631 | for (w = w2 = anfds [i].head; w; w = w->next) |
2472 | { |
2632 | { |
2473 | verify_watcher (EV_A_ (W)w); |
2633 | verify_watcher (EV_A_ (W)w); |
|
|
2634 | |
|
|
2635 | if (j++ & 1) |
|
|
2636 | { |
|
|
2637 | assert (("libev: io watcher list contains a loop", w != w2)); |
|
|
2638 | w2 = w2->next; |
|
|
2639 | } |
|
|
2640 | |
2474 | assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); |
2641 | assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); |
2475 | assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
2642 | assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
2476 | } |
2643 | } |
|
|
2644 | } |
2477 | |
2645 | |
2478 | assert (timermax >= timercnt); |
2646 | assert (timermax >= timercnt); |
2479 | verify_heap (EV_A_ timers, timercnt); |
2647 | verify_heap (EV_A_ timers, timercnt); |
2480 | |
2648 | |
2481 | #if EV_PERIODIC_ENABLE |
2649 | #if EV_PERIODIC_ENABLE |
… | |
… | |
2531 | #if EV_MULTIPLICITY |
2699 | #if EV_MULTIPLICITY |
2532 | struct ev_loop * ecb_cold |
2700 | struct ev_loop * ecb_cold |
2533 | #else |
2701 | #else |
2534 | int |
2702 | int |
2535 | #endif |
2703 | #endif |
2536 | ev_default_loop (unsigned int flags) |
2704 | ev_default_loop (unsigned int flags) EV_THROW |
2537 | { |
2705 | { |
2538 | if (!ev_default_loop_ptr) |
2706 | if (!ev_default_loop_ptr) |
2539 | { |
2707 | { |
2540 | #if EV_MULTIPLICITY |
2708 | #if EV_MULTIPLICITY |
2541 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
2709 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
… | |
… | |
2560 | |
2728 | |
2561 | return ev_default_loop_ptr; |
2729 | return ev_default_loop_ptr; |
2562 | } |
2730 | } |
2563 | |
2731 | |
2564 | void |
2732 | void |
2565 | ev_loop_fork (EV_P) |
2733 | ev_loop_fork (EV_P) EV_THROW |
2566 | { |
2734 | { |
2567 | postfork = 1; /* must be in line with ev_default_fork */ |
2735 | postfork = 1; |
2568 | } |
2736 | } |
2569 | |
2737 | |
2570 | /*****************************************************************************/ |
2738 | /*****************************************************************************/ |
2571 | |
2739 | |
2572 | void |
2740 | void |
… | |
… | |
2574 | { |
2742 | { |
2575 | EV_CB_INVOKE ((W)w, revents); |
2743 | EV_CB_INVOKE ((W)w, revents); |
2576 | } |
2744 | } |
2577 | |
2745 | |
2578 | unsigned int |
2746 | unsigned int |
2579 | ev_pending_count (EV_P) |
2747 | ev_pending_count (EV_P) EV_THROW |
2580 | { |
2748 | { |
2581 | int pri; |
2749 | int pri; |
2582 | unsigned int count = 0; |
2750 | unsigned int count = 0; |
2583 | |
2751 | |
2584 | for (pri = NUMPRI; pri--; ) |
2752 | for (pri = NUMPRI; pri--; ) |
… | |
… | |
2588 | } |
2756 | } |
2589 | |
2757 | |
2590 | void noinline |
2758 | void noinline |
2591 | ev_invoke_pending (EV_P) |
2759 | ev_invoke_pending (EV_P) |
2592 | { |
2760 | { |
2593 | int pri; |
2761 | pendingpri = NUMPRI; |
2594 | |
2762 | |
2595 | for (pri = NUMPRI; pri--; ) |
2763 | while (pendingpri) /* pendingpri possibly gets modified in the inner loop */ |
|
|
2764 | { |
|
|
2765 | --pendingpri; |
|
|
2766 | |
2596 | while (pendingcnt [pri]) |
2767 | while (pendingcnt [pendingpri]) |
2597 | { |
2768 | { |
2598 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
2769 | ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri]; |
2599 | |
2770 | |
2600 | p->w->pending = 0; |
2771 | p->w->pending = 0; |
2601 | EV_CB_INVOKE (p->w, p->events); |
2772 | EV_CB_INVOKE (p->w, p->events); |
2602 | EV_FREQUENT_CHECK; |
2773 | EV_FREQUENT_CHECK; |
2603 | } |
2774 | } |
|
|
2775 | } |
2604 | } |
2776 | } |
2605 | |
2777 | |
2606 | #if EV_IDLE_ENABLE |
2778 | #if EV_IDLE_ENABLE |
2607 | /* make idle watchers pending. this handles the "call-idle */ |
2779 | /* make idle watchers pending. this handles the "call-idle */ |
2608 | /* only when higher priorities are idle" logic */ |
2780 | /* only when higher priorities are idle" logic */ |
… | |
… | |
2698 | { |
2870 | { |
2699 | EV_FREQUENT_CHECK; |
2871 | EV_FREQUENT_CHECK; |
2700 | |
2872 | |
2701 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
2873 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
2702 | { |
2874 | { |
2703 | int feed_count = 0; |
|
|
2704 | |
|
|
2705 | do |
2875 | do |
2706 | { |
2876 | { |
2707 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
2877 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
2708 | |
2878 | |
2709 | /*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)));*/ |
… | |
… | |
2843 | |
3013 | |
2844 | mn_now = ev_rt_now; |
3014 | mn_now = ev_rt_now; |
2845 | } |
3015 | } |
2846 | } |
3016 | } |
2847 | |
3017 | |
2848 | void |
3018 | int |
2849 | ev_run (EV_P_ int flags) |
3019 | ev_run (EV_P_ int flags) |
2850 | { |
3020 | { |
2851 | #if EV_FEATURE_API |
3021 | #if EV_FEATURE_API |
2852 | ++loop_depth; |
3022 | ++loop_depth; |
2853 | #endif |
3023 | #endif |
… | |
… | |
2966 | #endif |
3136 | #endif |
2967 | assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ |
3137 | assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ |
2968 | backend_poll (EV_A_ waittime); |
3138 | backend_poll (EV_A_ waittime); |
2969 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
3139 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
2970 | |
3140 | |
2971 | pipe_write_wanted = 0; /* just an optimsiation, no fence needed */ |
3141 | pipe_write_wanted = 0; /* just an optimisation, no fence needed */ |
2972 | |
3142 | |
|
|
3143 | ECB_MEMORY_FENCE_ACQUIRE; |
2973 | if (pipe_write_skipped) |
3144 | if (pipe_write_skipped) |
2974 | { |
3145 | { |
2975 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
3146 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
2976 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
3147 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
2977 | } |
3148 | } |
… | |
… | |
3010 | loop_done = EVBREAK_CANCEL; |
3181 | loop_done = EVBREAK_CANCEL; |
3011 | |
3182 | |
3012 | #if EV_FEATURE_API |
3183 | #if EV_FEATURE_API |
3013 | --loop_depth; |
3184 | --loop_depth; |
3014 | #endif |
3185 | #endif |
|
|
3186 | |
|
|
3187 | return activecnt; |
3015 | } |
3188 | } |
3016 | |
3189 | |
3017 | void |
3190 | void |
3018 | ev_break (EV_P_ int how) |
3191 | ev_break (EV_P_ int how) EV_THROW |
3019 | { |
3192 | { |
3020 | loop_done = how; |
3193 | loop_done = how; |
3021 | } |
3194 | } |
3022 | |
3195 | |
3023 | void |
3196 | void |
3024 | ev_ref (EV_P) |
3197 | ev_ref (EV_P) EV_THROW |
3025 | { |
3198 | { |
3026 | ++activecnt; |
3199 | ++activecnt; |
3027 | } |
3200 | } |
3028 | |
3201 | |
3029 | void |
3202 | void |
3030 | ev_unref (EV_P) |
3203 | ev_unref (EV_P) EV_THROW |
3031 | { |
3204 | { |
3032 | --activecnt; |
3205 | --activecnt; |
3033 | } |
3206 | } |
3034 | |
3207 | |
3035 | void |
3208 | void |
3036 | ev_now_update (EV_P) |
3209 | ev_now_update (EV_P) EV_THROW |
3037 | { |
3210 | { |
3038 | time_update (EV_A_ 1e100); |
3211 | time_update (EV_A_ 1e100); |
3039 | } |
3212 | } |
3040 | |
3213 | |
3041 | void |
3214 | void |
3042 | ev_suspend (EV_P) |
3215 | ev_suspend (EV_P) EV_THROW |
3043 | { |
3216 | { |
3044 | ev_now_update (EV_A); |
3217 | ev_now_update (EV_A); |
3045 | } |
3218 | } |
3046 | |
3219 | |
3047 | void |
3220 | void |
3048 | ev_resume (EV_P) |
3221 | ev_resume (EV_P) EV_THROW |
3049 | { |
3222 | { |
3050 | ev_tstamp mn_prev = mn_now; |
3223 | ev_tstamp mn_prev = mn_now; |
3051 | |
3224 | |
3052 | ev_now_update (EV_A); |
3225 | ev_now_update (EV_A); |
3053 | timers_reschedule (EV_A_ mn_now - mn_prev); |
3226 | timers_reschedule (EV_A_ mn_now - mn_prev); |
… | |
… | |
3092 | w->pending = 0; |
3265 | w->pending = 0; |
3093 | } |
3266 | } |
3094 | } |
3267 | } |
3095 | |
3268 | |
3096 | int |
3269 | int |
3097 | ev_clear_pending (EV_P_ void *w) |
3270 | ev_clear_pending (EV_P_ void *w) EV_THROW |
3098 | { |
3271 | { |
3099 | W w_ = (W)w; |
3272 | W w_ = (W)w; |
3100 | int pending = w_->pending; |
3273 | int pending = w_->pending; |
3101 | |
3274 | |
3102 | if (expect_true (pending)) |
3275 | if (expect_true (pending)) |
… | |
… | |
3135 | } |
3308 | } |
3136 | |
3309 | |
3137 | /*****************************************************************************/ |
3310 | /*****************************************************************************/ |
3138 | |
3311 | |
3139 | void noinline |
3312 | void noinline |
3140 | ev_io_start (EV_P_ ev_io *w) |
3313 | ev_io_start (EV_P_ ev_io *w) EV_THROW |
3141 | { |
3314 | { |
3142 | int fd = w->fd; |
3315 | int fd = w->fd; |
3143 | |
3316 | |
3144 | if (expect_false (ev_is_active (w))) |
3317 | if (expect_false (ev_is_active (w))) |
3145 | return; |
3318 | return; |
… | |
… | |
3151 | |
3324 | |
3152 | ev_start (EV_A_ (W)w, 1); |
3325 | ev_start (EV_A_ (W)w, 1); |
3153 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
3326 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
3154 | wlist_add (&anfds[fd].head, (WL)w); |
3327 | wlist_add (&anfds[fd].head, (WL)w); |
3155 | |
3328 | |
|
|
3329 | /* common bug, apparently */ |
|
|
3330 | assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w)); |
|
|
3331 | |
3156 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); |
3332 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); |
3157 | w->events &= ~EV__IOFDSET; |
3333 | w->events &= ~EV__IOFDSET; |
3158 | |
3334 | |
3159 | EV_FREQUENT_CHECK; |
3335 | EV_FREQUENT_CHECK; |
3160 | } |
3336 | } |
3161 | |
3337 | |
3162 | void noinline |
3338 | void noinline |
3163 | ev_io_stop (EV_P_ ev_io *w) |
3339 | ev_io_stop (EV_P_ ev_io *w) EV_THROW |
3164 | { |
3340 | { |
3165 | clear_pending (EV_A_ (W)w); |
3341 | clear_pending (EV_A_ (W)w); |
3166 | if (expect_false (!ev_is_active (w))) |
3342 | if (expect_false (!ev_is_active (w))) |
3167 | return; |
3343 | return; |
3168 | |
3344 | |
… | |
… | |
3177 | |
3353 | |
3178 | EV_FREQUENT_CHECK; |
3354 | EV_FREQUENT_CHECK; |
3179 | } |
3355 | } |
3180 | |
3356 | |
3181 | void noinline |
3357 | void noinline |
3182 | ev_timer_start (EV_P_ ev_timer *w) |
3358 | ev_timer_start (EV_P_ ev_timer *w) EV_THROW |
3183 | { |
3359 | { |
3184 | if (expect_false (ev_is_active (w))) |
3360 | if (expect_false (ev_is_active (w))) |
3185 | return; |
3361 | return; |
3186 | |
3362 | |
3187 | ev_at (w) += mn_now; |
3363 | ev_at (w) += mn_now; |
… | |
… | |
3201 | |
3377 | |
3202 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
3378 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
3203 | } |
3379 | } |
3204 | |
3380 | |
3205 | void noinline |
3381 | void noinline |
3206 | ev_timer_stop (EV_P_ ev_timer *w) |
3382 | ev_timer_stop (EV_P_ ev_timer *w) EV_THROW |
3207 | { |
3383 | { |
3208 | clear_pending (EV_A_ (W)w); |
3384 | clear_pending (EV_A_ (W)w); |
3209 | if (expect_false (!ev_is_active (w))) |
3385 | if (expect_false (!ev_is_active (w))) |
3210 | return; |
3386 | return; |
3211 | |
3387 | |
… | |
… | |
3231 | |
3407 | |
3232 | EV_FREQUENT_CHECK; |
3408 | EV_FREQUENT_CHECK; |
3233 | } |
3409 | } |
3234 | |
3410 | |
3235 | void noinline |
3411 | void noinline |
3236 | ev_timer_again (EV_P_ ev_timer *w) |
3412 | ev_timer_again (EV_P_ ev_timer *w) EV_THROW |
3237 | { |
3413 | { |
3238 | EV_FREQUENT_CHECK; |
3414 | EV_FREQUENT_CHECK; |
|
|
3415 | |
|
|
3416 | clear_pending (EV_A_ (W)w); |
3239 | |
3417 | |
3240 | if (ev_is_active (w)) |
3418 | if (ev_is_active (w)) |
3241 | { |
3419 | { |
3242 | if (w->repeat) |
3420 | if (w->repeat) |
3243 | { |
3421 | { |
… | |
… | |
3256 | |
3434 | |
3257 | EV_FREQUENT_CHECK; |
3435 | EV_FREQUENT_CHECK; |
3258 | } |
3436 | } |
3259 | |
3437 | |
3260 | ev_tstamp |
3438 | ev_tstamp |
3261 | ev_timer_remaining (EV_P_ ev_timer *w) |
3439 | ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW |
3262 | { |
3440 | { |
3263 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
3441 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
3264 | } |
3442 | } |
3265 | |
3443 | |
3266 | #if EV_PERIODIC_ENABLE |
3444 | #if EV_PERIODIC_ENABLE |
3267 | void noinline |
3445 | void noinline |
3268 | ev_periodic_start (EV_P_ ev_periodic *w) |
3446 | ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW |
3269 | { |
3447 | { |
3270 | if (expect_false (ev_is_active (w))) |
3448 | if (expect_false (ev_is_active (w))) |
3271 | return; |
3449 | return; |
3272 | |
3450 | |
3273 | if (w->reschedule_cb) |
3451 | if (w->reschedule_cb) |
… | |
… | |
3293 | |
3471 | |
3294 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
3472 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
3295 | } |
3473 | } |
3296 | |
3474 | |
3297 | void noinline |
3475 | void noinline |
3298 | ev_periodic_stop (EV_P_ ev_periodic *w) |
3476 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW |
3299 | { |
3477 | { |
3300 | clear_pending (EV_A_ (W)w); |
3478 | clear_pending (EV_A_ (W)w); |
3301 | if (expect_false (!ev_is_active (w))) |
3479 | if (expect_false (!ev_is_active (w))) |
3302 | return; |
3480 | return; |
3303 | |
3481 | |
… | |
… | |
3321 | |
3499 | |
3322 | EV_FREQUENT_CHECK; |
3500 | EV_FREQUENT_CHECK; |
3323 | } |
3501 | } |
3324 | |
3502 | |
3325 | void noinline |
3503 | void noinline |
3326 | ev_periodic_again (EV_P_ ev_periodic *w) |
3504 | ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW |
3327 | { |
3505 | { |
3328 | /* TODO: use adjustheap and recalculation */ |
3506 | /* TODO: use adjustheap and recalculation */ |
3329 | ev_periodic_stop (EV_A_ w); |
3507 | ev_periodic_stop (EV_A_ w); |
3330 | ev_periodic_start (EV_A_ w); |
3508 | ev_periodic_start (EV_A_ w); |
3331 | } |
3509 | } |
… | |
… | |
3336 | #endif |
3514 | #endif |
3337 | |
3515 | |
3338 | #if EV_SIGNAL_ENABLE |
3516 | #if EV_SIGNAL_ENABLE |
3339 | |
3517 | |
3340 | void noinline |
3518 | void noinline |
3341 | ev_signal_start (EV_P_ ev_signal *w) |
3519 | ev_signal_start (EV_P_ ev_signal *w) EV_THROW |
3342 | { |
3520 | { |
3343 | if (expect_false (ev_is_active (w))) |
3521 | if (expect_false (ev_is_active (w))) |
3344 | return; |
3522 | return; |
3345 | |
3523 | |
3346 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
3524 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
… | |
… | |
3417 | |
3595 | |
3418 | EV_FREQUENT_CHECK; |
3596 | EV_FREQUENT_CHECK; |
3419 | } |
3597 | } |
3420 | |
3598 | |
3421 | void noinline |
3599 | void noinline |
3422 | ev_signal_stop (EV_P_ ev_signal *w) |
3600 | ev_signal_stop (EV_P_ ev_signal *w) EV_THROW |
3423 | { |
3601 | { |
3424 | clear_pending (EV_A_ (W)w); |
3602 | clear_pending (EV_A_ (W)w); |
3425 | if (expect_false (!ev_is_active (w))) |
3603 | if (expect_false (!ev_is_active (w))) |
3426 | return; |
3604 | return; |
3427 | |
3605 | |
… | |
… | |
3458 | #endif |
3636 | #endif |
3459 | |
3637 | |
3460 | #if EV_CHILD_ENABLE |
3638 | #if EV_CHILD_ENABLE |
3461 | |
3639 | |
3462 | void |
3640 | void |
3463 | ev_child_start (EV_P_ ev_child *w) |
3641 | ev_child_start (EV_P_ ev_child *w) EV_THROW |
3464 | { |
3642 | { |
3465 | #if EV_MULTIPLICITY |
3643 | #if EV_MULTIPLICITY |
3466 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
3644 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
3467 | #endif |
3645 | #endif |
3468 | if (expect_false (ev_is_active (w))) |
3646 | if (expect_false (ev_is_active (w))) |
… | |
… | |
3475 | |
3653 | |
3476 | EV_FREQUENT_CHECK; |
3654 | EV_FREQUENT_CHECK; |
3477 | } |
3655 | } |
3478 | |
3656 | |
3479 | void |
3657 | void |
3480 | ev_child_stop (EV_P_ ev_child *w) |
3658 | ev_child_stop (EV_P_ ev_child *w) EV_THROW |
3481 | { |
3659 | { |
3482 | clear_pending (EV_A_ (W)w); |
3660 | clear_pending (EV_A_ (W)w); |
3483 | if (expect_false (!ev_is_active (w))) |
3661 | if (expect_false (!ev_is_active (w))) |
3484 | return; |
3662 | return; |
3485 | |
3663 | |
… | |
… | |
3652 | } |
3830 | } |
3653 | |
3831 | |
3654 | inline_size int |
3832 | inline_size int |
3655 | infy_newfd (void) |
3833 | infy_newfd (void) |
3656 | { |
3834 | { |
3657 | #if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) |
3835 | #if defined IN_CLOEXEC && defined IN_NONBLOCK |
3658 | int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); |
3836 | int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); |
3659 | if (fd >= 0) |
3837 | if (fd >= 0) |
3660 | return fd; |
3838 | return fd; |
3661 | #endif |
3839 | #endif |
3662 | return inotify_init (); |
3840 | return inotify_init (); |
… | |
… | |
3737 | #else |
3915 | #else |
3738 | # define EV_LSTAT(p,b) lstat (p, b) |
3916 | # define EV_LSTAT(p,b) lstat (p, b) |
3739 | #endif |
3917 | #endif |
3740 | |
3918 | |
3741 | void |
3919 | void |
3742 | ev_stat_stat (EV_P_ ev_stat *w) |
3920 | ev_stat_stat (EV_P_ ev_stat *w) EV_THROW |
3743 | { |
3921 | { |
3744 | if (lstat (w->path, &w->attr) < 0) |
3922 | if (lstat (w->path, &w->attr) < 0) |
3745 | w->attr.st_nlink = 0; |
3923 | w->attr.st_nlink = 0; |
3746 | else if (!w->attr.st_nlink) |
3924 | else if (!w->attr.st_nlink) |
3747 | w->attr.st_nlink = 1; |
3925 | w->attr.st_nlink = 1; |
… | |
… | |
3786 | ev_feed_event (EV_A_ w, EV_STAT); |
3964 | ev_feed_event (EV_A_ w, EV_STAT); |
3787 | } |
3965 | } |
3788 | } |
3966 | } |
3789 | |
3967 | |
3790 | void |
3968 | void |
3791 | ev_stat_start (EV_P_ ev_stat *w) |
3969 | ev_stat_start (EV_P_ ev_stat *w) EV_THROW |
3792 | { |
3970 | { |
3793 | if (expect_false (ev_is_active (w))) |
3971 | if (expect_false (ev_is_active (w))) |
3794 | return; |
3972 | return; |
3795 | |
3973 | |
3796 | ev_stat_stat (EV_A_ w); |
3974 | ev_stat_stat (EV_A_ w); |
… | |
… | |
3817 | |
3995 | |
3818 | EV_FREQUENT_CHECK; |
3996 | EV_FREQUENT_CHECK; |
3819 | } |
3997 | } |
3820 | |
3998 | |
3821 | void |
3999 | void |
3822 | ev_stat_stop (EV_P_ ev_stat *w) |
4000 | ev_stat_stop (EV_P_ ev_stat *w) EV_THROW |
3823 | { |
4001 | { |
3824 | clear_pending (EV_A_ (W)w); |
4002 | clear_pending (EV_A_ (W)w); |
3825 | if (expect_false (!ev_is_active (w))) |
4003 | if (expect_false (!ev_is_active (w))) |
3826 | return; |
4004 | return; |
3827 | |
4005 | |
… | |
… | |
3843 | } |
4021 | } |
3844 | #endif |
4022 | #endif |
3845 | |
4023 | |
3846 | #if EV_IDLE_ENABLE |
4024 | #if EV_IDLE_ENABLE |
3847 | void |
4025 | void |
3848 | ev_idle_start (EV_P_ ev_idle *w) |
4026 | ev_idle_start (EV_P_ ev_idle *w) EV_THROW |
3849 | { |
4027 | { |
3850 | if (expect_false (ev_is_active (w))) |
4028 | if (expect_false (ev_is_active (w))) |
3851 | return; |
4029 | return; |
3852 | |
4030 | |
3853 | pri_adjust (EV_A_ (W)w); |
4031 | pri_adjust (EV_A_ (W)w); |
… | |
… | |
3866 | |
4044 | |
3867 | EV_FREQUENT_CHECK; |
4045 | EV_FREQUENT_CHECK; |
3868 | } |
4046 | } |
3869 | |
4047 | |
3870 | void |
4048 | void |
3871 | ev_idle_stop (EV_P_ ev_idle *w) |
4049 | ev_idle_stop (EV_P_ ev_idle *w) EV_THROW |
3872 | { |
4050 | { |
3873 | clear_pending (EV_A_ (W)w); |
4051 | clear_pending (EV_A_ (W)w); |
3874 | if (expect_false (!ev_is_active (w))) |
4052 | if (expect_false (!ev_is_active (w))) |
3875 | return; |
4053 | return; |
3876 | |
4054 | |
… | |
… | |
3890 | } |
4068 | } |
3891 | #endif |
4069 | #endif |
3892 | |
4070 | |
3893 | #if EV_PREPARE_ENABLE |
4071 | #if EV_PREPARE_ENABLE |
3894 | void |
4072 | void |
3895 | ev_prepare_start (EV_P_ ev_prepare *w) |
4073 | ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW |
3896 | { |
4074 | { |
3897 | if (expect_false (ev_is_active (w))) |
4075 | if (expect_false (ev_is_active (w))) |
3898 | return; |
4076 | return; |
3899 | |
4077 | |
3900 | EV_FREQUENT_CHECK; |
4078 | EV_FREQUENT_CHECK; |
… | |
… | |
3905 | |
4083 | |
3906 | EV_FREQUENT_CHECK; |
4084 | EV_FREQUENT_CHECK; |
3907 | } |
4085 | } |
3908 | |
4086 | |
3909 | void |
4087 | void |
3910 | ev_prepare_stop (EV_P_ ev_prepare *w) |
4088 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW |
3911 | { |
4089 | { |
3912 | clear_pending (EV_A_ (W)w); |
4090 | clear_pending (EV_A_ (W)w); |
3913 | if (expect_false (!ev_is_active (w))) |
4091 | if (expect_false (!ev_is_active (w))) |
3914 | return; |
4092 | return; |
3915 | |
4093 | |
… | |
… | |
3928 | } |
4106 | } |
3929 | #endif |
4107 | #endif |
3930 | |
4108 | |
3931 | #if EV_CHECK_ENABLE |
4109 | #if EV_CHECK_ENABLE |
3932 | void |
4110 | void |
3933 | ev_check_start (EV_P_ ev_check *w) |
4111 | ev_check_start (EV_P_ ev_check *w) EV_THROW |
3934 | { |
4112 | { |
3935 | if (expect_false (ev_is_active (w))) |
4113 | if (expect_false (ev_is_active (w))) |
3936 | return; |
4114 | return; |
3937 | |
4115 | |
3938 | EV_FREQUENT_CHECK; |
4116 | EV_FREQUENT_CHECK; |
… | |
… | |
3943 | |
4121 | |
3944 | EV_FREQUENT_CHECK; |
4122 | EV_FREQUENT_CHECK; |
3945 | } |
4123 | } |
3946 | |
4124 | |
3947 | void |
4125 | void |
3948 | ev_check_stop (EV_P_ ev_check *w) |
4126 | ev_check_stop (EV_P_ ev_check *w) EV_THROW |
3949 | { |
4127 | { |
3950 | clear_pending (EV_A_ (W)w); |
4128 | clear_pending (EV_A_ (W)w); |
3951 | if (expect_false (!ev_is_active (w))) |
4129 | if (expect_false (!ev_is_active (w))) |
3952 | return; |
4130 | return; |
3953 | |
4131 | |
… | |
… | |
3966 | } |
4144 | } |
3967 | #endif |
4145 | #endif |
3968 | |
4146 | |
3969 | #if EV_EMBED_ENABLE |
4147 | #if EV_EMBED_ENABLE |
3970 | void noinline |
4148 | void noinline |
3971 | ev_embed_sweep (EV_P_ ev_embed *w) |
4149 | ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW |
3972 | { |
4150 | { |
3973 | ev_run (w->other, EVRUN_NOWAIT); |
4151 | ev_run (w->other, EVRUN_NOWAIT); |
3974 | } |
4152 | } |
3975 | |
4153 | |
3976 | static void |
4154 | static void |
… | |
… | |
4024 | ev_idle_stop (EV_A_ idle); |
4202 | ev_idle_stop (EV_A_ idle); |
4025 | } |
4203 | } |
4026 | #endif |
4204 | #endif |
4027 | |
4205 | |
4028 | void |
4206 | void |
4029 | ev_embed_start (EV_P_ ev_embed *w) |
4207 | ev_embed_start (EV_P_ ev_embed *w) EV_THROW |
4030 | { |
4208 | { |
4031 | if (expect_false (ev_is_active (w))) |
4209 | if (expect_false (ev_is_active (w))) |
4032 | return; |
4210 | return; |
4033 | |
4211 | |
4034 | { |
4212 | { |
… | |
… | |
4055 | |
4233 | |
4056 | EV_FREQUENT_CHECK; |
4234 | EV_FREQUENT_CHECK; |
4057 | } |
4235 | } |
4058 | |
4236 | |
4059 | void |
4237 | void |
4060 | ev_embed_stop (EV_P_ ev_embed *w) |
4238 | ev_embed_stop (EV_P_ ev_embed *w) EV_THROW |
4061 | { |
4239 | { |
4062 | clear_pending (EV_A_ (W)w); |
4240 | clear_pending (EV_A_ (W)w); |
4063 | if (expect_false (!ev_is_active (w))) |
4241 | if (expect_false (!ev_is_active (w))) |
4064 | return; |
4242 | return; |
4065 | |
4243 | |
… | |
… | |
4075 | } |
4253 | } |
4076 | #endif |
4254 | #endif |
4077 | |
4255 | |
4078 | #if EV_FORK_ENABLE |
4256 | #if EV_FORK_ENABLE |
4079 | void |
4257 | void |
4080 | ev_fork_start (EV_P_ ev_fork *w) |
4258 | ev_fork_start (EV_P_ ev_fork *w) EV_THROW |
4081 | { |
4259 | { |
4082 | if (expect_false (ev_is_active (w))) |
4260 | if (expect_false (ev_is_active (w))) |
4083 | return; |
4261 | return; |
4084 | |
4262 | |
4085 | EV_FREQUENT_CHECK; |
4263 | EV_FREQUENT_CHECK; |
… | |
… | |
4090 | |
4268 | |
4091 | EV_FREQUENT_CHECK; |
4269 | EV_FREQUENT_CHECK; |
4092 | } |
4270 | } |
4093 | |
4271 | |
4094 | void |
4272 | void |
4095 | ev_fork_stop (EV_P_ ev_fork *w) |
4273 | ev_fork_stop (EV_P_ ev_fork *w) EV_THROW |
4096 | { |
4274 | { |
4097 | clear_pending (EV_A_ (W)w); |
4275 | clear_pending (EV_A_ (W)w); |
4098 | if (expect_false (!ev_is_active (w))) |
4276 | if (expect_false (!ev_is_active (w))) |
4099 | return; |
4277 | return; |
4100 | |
4278 | |
… | |
… | |
4113 | } |
4291 | } |
4114 | #endif |
4292 | #endif |
4115 | |
4293 | |
4116 | #if EV_CLEANUP_ENABLE |
4294 | #if EV_CLEANUP_ENABLE |
4117 | void |
4295 | void |
4118 | ev_cleanup_start (EV_P_ ev_cleanup *w) |
4296 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW |
4119 | { |
4297 | { |
4120 | if (expect_false (ev_is_active (w))) |
4298 | if (expect_false (ev_is_active (w))) |
4121 | return; |
4299 | return; |
4122 | |
4300 | |
4123 | EV_FREQUENT_CHECK; |
4301 | EV_FREQUENT_CHECK; |
… | |
… | |
4130 | ev_unref (EV_A); |
4308 | ev_unref (EV_A); |
4131 | EV_FREQUENT_CHECK; |
4309 | EV_FREQUENT_CHECK; |
4132 | } |
4310 | } |
4133 | |
4311 | |
4134 | void |
4312 | void |
4135 | ev_cleanup_stop (EV_P_ ev_cleanup *w) |
4313 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW |
4136 | { |
4314 | { |
4137 | clear_pending (EV_A_ (W)w); |
4315 | clear_pending (EV_A_ (W)w); |
4138 | if (expect_false (!ev_is_active (w))) |
4316 | if (expect_false (!ev_is_active (w))) |
4139 | return; |
4317 | return; |
4140 | |
4318 | |
… | |
… | |
4154 | } |
4332 | } |
4155 | #endif |
4333 | #endif |
4156 | |
4334 | |
4157 | #if EV_ASYNC_ENABLE |
4335 | #if EV_ASYNC_ENABLE |
4158 | void |
4336 | void |
4159 | ev_async_start (EV_P_ ev_async *w) |
4337 | ev_async_start (EV_P_ ev_async *w) EV_THROW |
4160 | { |
4338 | { |
4161 | if (expect_false (ev_is_active (w))) |
4339 | if (expect_false (ev_is_active (w))) |
4162 | return; |
4340 | return; |
4163 | |
4341 | |
4164 | w->sent = 0; |
4342 | w->sent = 0; |
… | |
… | |
4173 | |
4351 | |
4174 | EV_FREQUENT_CHECK; |
4352 | EV_FREQUENT_CHECK; |
4175 | } |
4353 | } |
4176 | |
4354 | |
4177 | void |
4355 | void |
4178 | ev_async_stop (EV_P_ ev_async *w) |
4356 | ev_async_stop (EV_P_ ev_async *w) EV_THROW |
4179 | { |
4357 | { |
4180 | clear_pending (EV_A_ (W)w); |
4358 | clear_pending (EV_A_ (W)w); |
4181 | if (expect_false (!ev_is_active (w))) |
4359 | if (expect_false (!ev_is_active (w))) |
4182 | return; |
4360 | return; |
4183 | |
4361 | |
… | |
… | |
4194 | |
4372 | |
4195 | EV_FREQUENT_CHECK; |
4373 | EV_FREQUENT_CHECK; |
4196 | } |
4374 | } |
4197 | |
4375 | |
4198 | void |
4376 | void |
4199 | ev_async_send (EV_P_ ev_async *w) |
4377 | ev_async_send (EV_P_ ev_async *w) EV_THROW |
4200 | { |
4378 | { |
4201 | w->sent = 1; |
4379 | w->sent = 1; |
4202 | evpipe_write (EV_A_ &async_pending); |
4380 | evpipe_write (EV_A_ &async_pending); |
4203 | } |
4381 | } |
4204 | #endif |
4382 | #endif |
… | |
… | |
4241 | |
4419 | |
4242 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
4420 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
4243 | } |
4421 | } |
4244 | |
4422 | |
4245 | void |
4423 | void |
4246 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
4424 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW |
4247 | { |
4425 | { |
4248 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
4426 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
4249 | |
4427 | |
4250 | if (expect_false (!once)) |
4428 | if (expect_false (!once)) |
4251 | { |
4429 | { |
… | |
… | |
4273 | |
4451 | |
4274 | /*****************************************************************************/ |
4452 | /*****************************************************************************/ |
4275 | |
4453 | |
4276 | #if EV_WALK_ENABLE |
4454 | #if EV_WALK_ENABLE |
4277 | void ecb_cold |
4455 | void ecb_cold |
4278 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) |
4456 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW |
4279 | { |
4457 | { |
4280 | int i, j; |
4458 | int i, j; |
4281 | ev_watcher_list *wl, *wn; |
4459 | ev_watcher_list *wl, *wn; |
4282 | |
4460 | |
4283 | if (types & (EV_IO | EV_EMBED)) |
4461 | if (types & (EV_IO | EV_EMBED)) |
… | |
… | |
4389 | |
4567 | |
4390 | #if EV_MULTIPLICITY |
4568 | #if EV_MULTIPLICITY |
4391 | #include "ev_wrap.h" |
4569 | #include "ev_wrap.h" |
4392 | #endif |
4570 | #endif |
4393 | |
4571 | |
4394 | EV_CPP(}) |
|
|
4395 | |
|
|