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> |
… | |
… | |
210 | #define _DARWIN_UNLIMITED_SELECT 1 |
219 | #define _DARWIN_UNLIMITED_SELECT 1 |
211 | |
220 | |
212 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
221 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
213 | |
222 | |
214 | /* try to deduce the maximum number of signals on this platform */ |
223 | /* try to deduce the maximum number of signals on this platform */ |
215 | #if defined (EV_NSIG) |
224 | #if defined EV_NSIG |
216 | /* use what's provided */ |
225 | /* use what's provided */ |
217 | #elif defined (NSIG) |
226 | #elif defined NSIG |
218 | # define EV_NSIG (NSIG) |
227 | # define EV_NSIG (NSIG) |
219 | #elif defined(_NSIG) |
228 | #elif defined _NSIG |
220 | # define EV_NSIG (_NSIG) |
229 | # define EV_NSIG (_NSIG) |
221 | #elif defined (SIGMAX) |
230 | #elif defined SIGMAX |
222 | # define EV_NSIG (SIGMAX+1) |
231 | # define EV_NSIG (SIGMAX+1) |
223 | #elif defined (SIG_MAX) |
232 | #elif defined SIG_MAX |
224 | # define EV_NSIG (SIG_MAX+1) |
233 | # define EV_NSIG (SIG_MAX+1) |
225 | #elif defined (_SIG_MAX) |
234 | #elif defined _SIG_MAX |
226 | # define EV_NSIG (_SIG_MAX+1) |
235 | # define EV_NSIG (_SIG_MAX+1) |
227 | #elif defined (MAXSIG) |
236 | #elif defined MAXSIG |
228 | # define EV_NSIG (MAXSIG+1) |
237 | # define EV_NSIG (MAXSIG+1) |
229 | #elif defined (MAX_SIG) |
238 | #elif defined MAX_SIG |
230 | # define EV_NSIG (MAX_SIG+1) |
239 | # define EV_NSIG (MAX_SIG+1) |
231 | #elif defined (SIGARRAYSIZE) |
240 | #elif defined SIGARRAYSIZE |
232 | # define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ |
241 | # define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ |
233 | #elif defined (_sys_nsig) |
242 | #elif defined _sys_nsig |
234 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
243 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
235 | #else |
244 | #else |
236 | # error "unable to find value for NSIG, please report" |
245 | # error "unable to find value for NSIG, please report" |
237 | /* to make it compile regardless, just remove the above line, */ |
246 | /* to make it compile regardless, just remove the above line, */ |
238 | /* but consider reporting it, too! :) */ |
247 | /* but consider reporting it, too! :) */ |
… | |
… | |
250 | # define EV_USE_CLOCK_SYSCALL 0 |
259 | # define EV_USE_CLOCK_SYSCALL 0 |
251 | # endif |
260 | # endif |
252 | #endif |
261 | #endif |
253 | |
262 | |
254 | #ifndef EV_USE_MONOTONIC |
263 | #ifndef EV_USE_MONOTONIC |
255 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
264 | # if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0 |
256 | # define EV_USE_MONOTONIC EV_FEATURE_OS |
265 | # define EV_USE_MONOTONIC EV_FEATURE_OS |
257 | # else |
266 | # else |
258 | # define EV_USE_MONOTONIC 0 |
267 | # define EV_USE_MONOTONIC 0 |
259 | # endif |
268 | # endif |
260 | #endif |
269 | #endif |
… | |
… | |
350 | #endif |
359 | #endif |
351 | |
360 | |
352 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
361 | /* 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. */ |
362 | /* which makes programs even slower. might work on other unices, too. */ |
354 | #if EV_USE_CLOCK_SYSCALL |
363 | #if EV_USE_CLOCK_SYSCALL |
355 | # include <syscall.h> |
364 | # include <sys/syscall.h> |
356 | # ifdef SYS_clock_gettime |
365 | # ifdef SYS_clock_gettime |
357 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
366 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
358 | # undef EV_USE_MONOTONIC |
367 | # undef EV_USE_MONOTONIC |
359 | # define EV_USE_MONOTONIC 1 |
368 | # define EV_USE_MONOTONIC 1 |
360 | # else |
369 | # else |
… | |
… | |
386 | # define EV_USE_INOTIFY 0 |
395 | # define EV_USE_INOTIFY 0 |
387 | #endif |
396 | #endif |
388 | |
397 | |
389 | #if !EV_USE_NANOSLEEP |
398 | #if !EV_USE_NANOSLEEP |
390 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
399 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
391 | # if !defined(_WIN32) && !defined(__hpux) |
400 | # if !defined _WIN32 && !defined __hpux |
392 | # include <sys/select.h> |
401 | # include <sys/select.h> |
393 | # endif |
402 | # endif |
394 | #endif |
403 | #endif |
395 | |
404 | |
396 | #if EV_USE_INOTIFY |
405 | #if EV_USE_INOTIFY |
… | |
… | |
469 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
478 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
470 | /* ECB.H BEGIN */ |
479 | /* ECB.H BEGIN */ |
471 | /* |
480 | /* |
472 | * libecb - http://software.schmorp.de/pkg/libecb |
481 | * libecb - http://software.schmorp.de/pkg/libecb |
473 | * |
482 | * |
474 | * Copyright (©) 2009-2011 Marc Alexander Lehmann <libecb@schmorp.de> |
483 | * Copyright (©) 2009-2012 Marc Alexander Lehmann <libecb@schmorp.de> |
475 | * Copyright (©) 2011 Emanuele Giaquinta |
484 | * Copyright (©) 2011 Emanuele Giaquinta |
476 | * All rights reserved. |
485 | * All rights reserved. |
477 | * |
486 | * |
478 | * Redistribution and use in source and binary forms, with or without modifica- |
487 | * Redistribution and use in source and binary forms, with or without modifica- |
479 | * tion, are permitted provided that the following conditions are met: |
488 | * tion, are permitted provided that the following conditions are met: |
… | |
… | |
524 | * or so. |
533 | * or so. |
525 | * we try to detect these and simply assume they are not gcc - if they have |
534 | * 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. |
535 | * an issue with that they should have done it right in the first place. |
527 | */ |
536 | */ |
528 | #ifndef ECB_GCC_VERSION |
537 | #ifndef ECB_GCC_VERSION |
529 | #if !defined(__GNUC_MINOR__) || defined(__INTEL_COMPILER) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) || defined(__llvm__) || defined(__clang__) |
538 | #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 |
539 | #define ECB_GCC_VERSION(major,minor) 0 |
531 | #else |
540 | #else |
532 | #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) |
541 | #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) |
533 | #endif |
542 | #endif |
534 | #endif |
543 | #endif |
… | |
… | |
536 | /*****************************************************************************/ |
545 | /*****************************************************************************/ |
537 | |
546 | |
538 | /* ECB_NO_THREADS - ecb is not used by multiple threads, ever */ |
547 | /* 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 */ |
548 | /* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */ |
540 | |
549 | |
|
|
550 | #if ECB_NO_THREADS |
|
|
551 | # define ECB_NO_SMP 1 |
|
|
552 | #endif |
|
|
553 | |
541 | #if ECB_NO_THREADS || ECB_NO_SMP |
554 | #if ECB_NO_THREADS || ECB_NO_SMP |
542 | #define ECB_MEMORY_FENCE do { } while (0) |
555 | #define ECB_MEMORY_FENCE do { } while (0) |
543 | #define ECB_MEMORY_FENCE_ACQUIRE do { } while (0) |
|
|
544 | #define ECB_MEMORY_FENCE_RELEASE do { } while (0) |
|
|
545 | #endif |
556 | #endif |
546 | |
557 | |
547 | #ifndef ECB_MEMORY_FENCE |
558 | #ifndef ECB_MEMORY_FENCE |
548 | #if ECB_GCC_VERSION(2,5) |
559 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
549 | #if __x86 |
560 | #if __i386 || __i386__ |
550 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
561 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
551 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */ |
562 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */ |
552 | #define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */ |
563 | #define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */ |
553 | #elif __amd64 |
564 | #elif __amd64 || __amd64__ || __x86_64 || __x86_64__ |
554 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
565 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
555 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory") |
566 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory") |
556 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */ |
567 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */ |
|
|
568 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
|
|
569 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
|
|
570 | #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \ |
|
|
571 | || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ |
|
|
572 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory") |
|
|
573 | #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \ |
|
|
574 | || defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__ |
|
|
575 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") |
|
|
576 | #elif __sparc || __sparc__ |
|
|
577 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad | " : : : "memory") |
|
|
578 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") |
|
|
579 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") |
|
|
580 | #elif defined __s390__ || defined __s390x__ |
|
|
581 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") |
|
|
582 | #elif defined __mips__ |
|
|
583 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
|
|
584 | #elif defined __alpha__ |
|
|
585 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory") |
557 | #endif |
586 | #endif |
558 | #endif |
587 | #endif |
559 | #endif |
588 | #endif |
560 | |
589 | |
561 | #ifndef ECB_MEMORY_FENCE |
590 | #ifndef ECB_MEMORY_FENCE |
562 | #if ECB_GCC_VERSION(4,4) |
591 | #if ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
563 | #define ECB_MEMORY_FENCE __sync_synchronize () |
592 | #define ECB_MEMORY_FENCE __sync_synchronize () |
564 | #define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) |
593 | /*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */ |
565 | #define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) |
594 | /*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */ |
566 | #elif _MSC_VER >= 1400 /* VC++ 2005 */ |
595 | #elif _MSC_VER >= 1400 /* VC++ 2005 */ |
567 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
596 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
568 | #define ECB_MEMORY_FENCE _ReadWriteBarrier () |
597 | #define ECB_MEMORY_FENCE _ReadWriteBarrier () |
569 | #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */ |
598 | #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */ |
570 | #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () |
599 | #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () |
571 | #elif defined(_WIN32) |
600 | #elif defined _WIN32 |
572 | #include <WinNT.h> |
601 | #include <WinNT.h> |
573 | #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ |
602 | #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ |
574 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
603 | #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
575 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
604 | #include <mbarrier.h> |
|
|
605 | #define ECB_MEMORY_FENCE __machine_rw_barrier () |
|
|
606 | #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier () |
|
|
607 | #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier () |
|
|
608 | #elif __xlC__ |
|
|
609 | #define ECB_MEMORY_FENCE __sync () |
576 | #endif |
610 | #endif |
577 | #endif |
611 | #endif |
578 | |
612 | |
579 | #ifndef ECB_MEMORY_FENCE |
613 | #ifndef ECB_MEMORY_FENCE |
|
|
614 | #if !ECB_AVOID_PTHREADS |
580 | /* |
615 | /* |
581 | * if you get undefined symbol references to pthread_mutex_lock, |
616 | * if you get undefined symbol references to pthread_mutex_lock, |
582 | * or failure to find pthread.h, then you should implement |
617 | * or failure to find pthread.h, then you should implement |
583 | * the ECB_MEMORY_FENCE operations for your cpu/compiler |
618 | * the ECB_MEMORY_FENCE operations for your cpu/compiler |
584 | * OR provide pthread.h and link against the posix thread library |
619 | * OR provide pthread.h and link against the posix thread library |
585 | * of your system. |
620 | * of your system. |
586 | */ |
621 | */ |
587 | #include <pthread.h> |
622 | #include <pthread.h> |
588 | #define ECB_NEEDS_PTHREADS 1 |
623 | #define ECB_NEEDS_PTHREADS 1 |
589 | #define ECB_MEMORY_FENCE_NEEDS_PTHREADS 1 |
624 | #define ECB_MEMORY_FENCE_NEEDS_PTHREADS 1 |
590 | |
625 | |
591 | static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER; |
626 | static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER; |
592 | #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0) |
627 | #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0) |
|
|
628 | #endif |
|
|
629 | #endif |
|
|
630 | |
|
|
631 | #if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE |
593 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
632 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
|
|
633 | #endif |
|
|
634 | |
|
|
635 | #if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE |
594 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
636 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
595 | #endif |
637 | #endif |
596 | |
638 | |
597 | /*****************************************************************************/ |
639 | /*****************************************************************************/ |
598 | |
640 | |
… | |
… | |
747 | |
789 | |
748 | return r + ecb_ld32 (x); |
790 | return r + ecb_ld32 (x); |
749 | } |
791 | } |
750 | #endif |
792 | #endif |
751 | |
793 | |
|
|
794 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const; |
|
|
795 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) |
|
|
796 | { |
|
|
797 | return ( (x * 0x0802U & 0x22110U) |
|
|
798 | | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16; |
|
|
799 | } |
|
|
800 | |
|
|
801 | ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const; |
|
|
802 | ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) |
|
|
803 | { |
|
|
804 | x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1); |
|
|
805 | x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2); |
|
|
806 | x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4); |
|
|
807 | x = ( x >> 8 ) | ( x << 8); |
|
|
808 | |
|
|
809 | return x; |
|
|
810 | } |
|
|
811 | |
|
|
812 | ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const; |
|
|
813 | ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) |
|
|
814 | { |
|
|
815 | x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1); |
|
|
816 | x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2); |
|
|
817 | x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4); |
|
|
818 | x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8); |
|
|
819 | x = ( x >> 16 ) | ( x << 16); |
|
|
820 | |
|
|
821 | return x; |
|
|
822 | } |
|
|
823 | |
752 | /* popcount64 is only available on 64 bit cpus as gcc builtin */ |
824 | /* popcount64 is only available on 64 bit cpus as gcc builtin */ |
753 | /* so for this version we are lazy */ |
825 | /* so for this version we are lazy */ |
754 | ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const; |
826 | ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const; |
755 | ecb_function_ int |
827 | ecb_function_ int |
756 | ecb_popcount64 (uint64_t x) |
828 | ecb_popcount64 (uint64_t x) |
… | |
… | |
805 | |
877 | |
806 | #if ECB_GCC_VERSION(4,5) |
878 | #if ECB_GCC_VERSION(4,5) |
807 | #define ecb_unreachable() __builtin_unreachable () |
879 | #define ecb_unreachable() __builtin_unreachable () |
808 | #else |
880 | #else |
809 | /* this seems to work fine, but gcc always emits a warning for it :/ */ |
881 | /* this seems to work fine, but gcc always emits a warning for it :/ */ |
810 | ecb_function_ void ecb_unreachable (void) ecb_noreturn; |
882 | ecb_inline void ecb_unreachable (void) ecb_noreturn; |
811 | ecb_function_ void ecb_unreachable (void) { } |
883 | ecb_inline void ecb_unreachable (void) { } |
812 | #endif |
884 | #endif |
813 | |
885 | |
814 | /* try to tell the compiler that some condition is definitely true */ |
886 | /* try to tell the compiler that some condition is definitely true */ |
815 | #define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0) |
887 | #define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0) |
816 | |
888 | |
817 | ecb_function_ unsigned char ecb_byteorder_helper (void) ecb_const; |
889 | ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const; |
818 | ecb_function_ unsigned char |
890 | ecb_inline unsigned char |
819 | ecb_byteorder_helper (void) |
891 | ecb_byteorder_helper (void) |
820 | { |
892 | { |
821 | const uint32_t u = 0x11223344; |
893 | const uint32_t u = 0x11223344; |
822 | return *(unsigned char *)&u; |
894 | return *(unsigned char *)&u; |
823 | } |
895 | } |
824 | |
896 | |
825 | ecb_function_ ecb_bool ecb_big_endian (void) ecb_const; |
897 | ecb_inline ecb_bool ecb_big_endian (void) ecb_const; |
826 | ecb_function_ ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; } |
898 | ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; } |
827 | ecb_function_ ecb_bool ecb_little_endian (void) ecb_const; |
899 | ecb_inline ecb_bool ecb_little_endian (void) ecb_const; |
828 | ecb_function_ ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; } |
900 | ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; } |
829 | |
901 | |
830 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
902 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
831 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
903 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
832 | #else |
904 | #else |
833 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
905 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
|
|
906 | #endif |
|
|
907 | |
|
|
908 | #if __cplusplus |
|
|
909 | template<typename T> |
|
|
910 | static inline T ecb_div_rd (T val, T div) |
|
|
911 | { |
|
|
912 | return val < 0 ? - ((-val + div - 1) / div) : (val ) / div; |
|
|
913 | } |
|
|
914 | template<typename T> |
|
|
915 | static inline T ecb_div_ru (T val, T div) |
|
|
916 | { |
|
|
917 | return val < 0 ? - ((-val ) / div) : (val + div - 1) / div; |
|
|
918 | } |
|
|
919 | #else |
|
|
920 | #define ecb_div_rd(val,div) ((val) < 0 ? - ((-(val) + (div) - 1) / (div)) : ((val) ) / (div)) |
|
|
921 | #define ecb_div_ru(val,div) ((val) < 0 ? - ((-(val) ) / (div)) : ((val) + (div) - 1) / (div)) |
834 | #endif |
922 | #endif |
835 | |
923 | |
836 | #if ecb_cplusplus_does_not_suck |
924 | #if ecb_cplusplus_does_not_suck |
837 | /* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */ |
925 | /* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */ |
838 | template<typename T, int N> |
926 | template<typename T, int N> |
… | |
… | |
845 | #endif |
933 | #endif |
846 | |
934 | |
847 | #endif |
935 | #endif |
848 | |
936 | |
849 | /* ECB.H END */ |
937 | /* ECB.H END */ |
|
|
938 | |
|
|
939 | #if ECB_MEMORY_FENCE_NEEDS_PTHREADS |
|
|
940 | /* if your architecture doesn't need memory fences, e.g. because it is |
|
|
941 | * single-cpu/core, or if you use libev in a project that doesn't use libev |
|
|
942 | * from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling |
|
|
943 | * libev, in which cases the memory fences become nops. |
|
|
944 | * alternatively, you can remove this #error and link against libpthread, |
|
|
945 | * which will then provide the memory fences. |
|
|
946 | */ |
|
|
947 | # error "memory fences not defined for your architecture, please report" |
|
|
948 | #endif |
|
|
949 | |
|
|
950 | #ifndef ECB_MEMORY_FENCE |
|
|
951 | # define ECB_MEMORY_FENCE do { } while (0) |
|
|
952 | # define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
|
|
953 | # define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
|
|
954 | #endif |
850 | |
955 | |
851 | #define expect_false(cond) ecb_expect_false (cond) |
956 | #define expect_false(cond) ecb_expect_false (cond) |
852 | #define expect_true(cond) ecb_expect_true (cond) |
957 | #define expect_true(cond) ecb_expect_true (cond) |
853 | #define noinline ecb_noinline |
958 | #define noinline ecb_noinline |
854 | |
959 | |
… | |
… | |
1000 | { |
1105 | { |
1001 | write (STDERR_FILENO, msg, strlen (msg)); |
1106 | write (STDERR_FILENO, msg, strlen (msg)); |
1002 | } |
1107 | } |
1003 | #endif |
1108 | #endif |
1004 | |
1109 | |
1005 | static void (*syserr_cb)(const char *msg); |
1110 | static void (*syserr_cb)(const char *msg) EV_THROW; |
1006 | |
1111 | |
1007 | void ecb_cold |
1112 | void ecb_cold |
1008 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
1113 | ev_set_syserr_cb (void (*cb)(const char *msg)) EV_THROW |
1009 | { |
1114 | { |
1010 | syserr_cb = cb; |
1115 | syserr_cb = cb; |
1011 | } |
1116 | } |
1012 | |
1117 | |
1013 | static void noinline ecb_cold |
1118 | static void noinline ecb_cold |
… | |
… | |
1049 | free (ptr); |
1154 | free (ptr); |
1050 | return 0; |
1155 | return 0; |
1051 | #endif |
1156 | #endif |
1052 | } |
1157 | } |
1053 | |
1158 | |
1054 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
1159 | static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul; |
1055 | |
1160 | |
1056 | void ecb_cold |
1161 | void ecb_cold |
1057 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
1162 | ev_set_allocator (void *(*cb)(void *ptr, long size)) EV_THROW |
1058 | { |
1163 | { |
1059 | alloc = cb; |
1164 | alloc = cb; |
1060 | } |
1165 | } |
1061 | |
1166 | |
1062 | inline_speed void * |
1167 | inline_speed void * |
… | |
… | |
1150 | #undef VAR |
1255 | #undef VAR |
1151 | }; |
1256 | }; |
1152 | #include "ev_wrap.h" |
1257 | #include "ev_wrap.h" |
1153 | |
1258 | |
1154 | static struct ev_loop default_loop_struct; |
1259 | static struct ev_loop default_loop_struct; |
1155 | struct ev_loop *ev_default_loop_ptr; |
1260 | EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */ |
1156 | |
1261 | |
1157 | #else |
1262 | #else |
1158 | |
1263 | |
1159 | ev_tstamp ev_rt_now; |
1264 | EV_API_DECL ev_tstamp ev_rt_now = 0; /* needs to be initialised to make it a definition despite extern */ |
1160 | #define VAR(name,decl) static decl; |
1265 | #define VAR(name,decl) static decl; |
1161 | #include "ev_vars.h" |
1266 | #include "ev_vars.h" |
1162 | #undef VAR |
1267 | #undef VAR |
1163 | |
1268 | |
1164 | static int ev_default_loop_ptr; |
1269 | static int ev_default_loop_ptr; |
… | |
… | |
1179 | |
1284 | |
1180 | /*****************************************************************************/ |
1285 | /*****************************************************************************/ |
1181 | |
1286 | |
1182 | #ifndef EV_HAVE_EV_TIME |
1287 | #ifndef EV_HAVE_EV_TIME |
1183 | ev_tstamp |
1288 | ev_tstamp |
1184 | ev_time (void) |
1289 | ev_time (void) EV_THROW |
1185 | { |
1290 | { |
1186 | #if EV_USE_REALTIME |
1291 | #if EV_USE_REALTIME |
1187 | if (expect_true (have_realtime)) |
1292 | if (expect_true (have_realtime)) |
1188 | { |
1293 | { |
1189 | struct timespec ts; |
1294 | struct timespec ts; |
… | |
… | |
1213 | return ev_time (); |
1318 | return ev_time (); |
1214 | } |
1319 | } |
1215 | |
1320 | |
1216 | #if EV_MULTIPLICITY |
1321 | #if EV_MULTIPLICITY |
1217 | ev_tstamp |
1322 | ev_tstamp |
1218 | ev_now (EV_P) |
1323 | ev_now (EV_P) EV_THROW |
1219 | { |
1324 | { |
1220 | return ev_rt_now; |
1325 | return ev_rt_now; |
1221 | } |
1326 | } |
1222 | #endif |
1327 | #endif |
1223 | |
1328 | |
1224 | void |
1329 | void |
1225 | ev_sleep (ev_tstamp delay) |
1330 | ev_sleep (ev_tstamp delay) EV_THROW |
1226 | { |
1331 | { |
1227 | if (delay > 0.) |
1332 | if (delay > 0.) |
1228 | { |
1333 | { |
1229 | #if EV_USE_NANOSLEEP |
1334 | #if EV_USE_NANOSLEEP |
1230 | struct timespec ts; |
1335 | struct timespec ts; |
1231 | |
1336 | |
1232 | EV_TS_SET (ts, delay); |
1337 | EV_TS_SET (ts, delay); |
1233 | nanosleep (&ts, 0); |
1338 | nanosleep (&ts, 0); |
1234 | #elif defined(_WIN32) |
1339 | #elif defined _WIN32 |
1235 | Sleep ((unsigned long)(delay * 1e3)); |
1340 | Sleep ((unsigned long)(delay * 1e3)); |
1236 | #else |
1341 | #else |
1237 | struct timeval tv; |
1342 | struct timeval tv; |
1238 | |
1343 | |
1239 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
1344 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
… | |
… | |
1258 | |
1363 | |
1259 | do |
1364 | do |
1260 | ncur <<= 1; |
1365 | ncur <<= 1; |
1261 | while (cnt > ncur); |
1366 | while (cnt > ncur); |
1262 | |
1367 | |
1263 | /* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */ |
1368 | /* if size is large, round to MALLOC_ROUND - 4 * longs to accommodate malloc overhead */ |
1264 | if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) |
1369 | if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) |
1265 | { |
1370 | { |
1266 | ncur *= elem; |
1371 | ncur *= elem; |
1267 | ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1); |
1372 | ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1); |
1268 | ncur = ncur - sizeof (void *) * 4; |
1373 | ncur = ncur - sizeof (void *) * 4; |
… | |
… | |
1311 | pendingcb (EV_P_ ev_prepare *w, int revents) |
1416 | pendingcb (EV_P_ ev_prepare *w, int revents) |
1312 | { |
1417 | { |
1313 | } |
1418 | } |
1314 | |
1419 | |
1315 | void noinline |
1420 | void noinline |
1316 | ev_feed_event (EV_P_ void *w, int revents) |
1421 | ev_feed_event (EV_P_ void *w, int revents) EV_THROW |
1317 | { |
1422 | { |
1318 | W w_ = (W)w; |
1423 | W w_ = (W)w; |
1319 | int pri = ABSPRI (w_); |
1424 | int pri = ABSPRI (w_); |
1320 | |
1425 | |
1321 | if (expect_false (w_->pending)) |
1426 | if (expect_false (w_->pending)) |
… | |
… | |
1325 | w_->pending = ++pendingcnt [pri]; |
1430 | w_->pending = ++pendingcnt [pri]; |
1326 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
1431 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
1327 | pendings [pri][w_->pending - 1].w = w_; |
1432 | pendings [pri][w_->pending - 1].w = w_; |
1328 | pendings [pri][w_->pending - 1].events = revents; |
1433 | pendings [pri][w_->pending - 1].events = revents; |
1329 | } |
1434 | } |
|
|
1435 | |
|
|
1436 | pendingpri = NUMPRI - 1; |
1330 | } |
1437 | } |
1331 | |
1438 | |
1332 | inline_speed void |
1439 | inline_speed void |
1333 | feed_reverse (EV_P_ W w) |
1440 | feed_reverse (EV_P_ W w) |
1334 | { |
1441 | { |
… | |
… | |
1380 | if (expect_true (!anfd->reify)) |
1487 | if (expect_true (!anfd->reify)) |
1381 | fd_event_nocheck (EV_A_ fd, revents); |
1488 | fd_event_nocheck (EV_A_ fd, revents); |
1382 | } |
1489 | } |
1383 | |
1490 | |
1384 | void |
1491 | void |
1385 | ev_feed_fd_event (EV_P_ int fd, int revents) |
1492 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW |
1386 | { |
1493 | { |
1387 | if (fd >= 0 && fd < anfdmax) |
1494 | if (fd >= 0 && fd < anfdmax) |
1388 | fd_event_nocheck (EV_A_ fd, revents); |
1495 | fd_event_nocheck (EV_A_ fd, revents); |
1389 | } |
1496 | } |
1390 | |
1497 | |
… | |
… | |
1739 | } |
1846 | } |
1740 | |
1847 | |
1741 | inline_speed void |
1848 | inline_speed void |
1742 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1849 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1743 | { |
1850 | { |
|
|
1851 | ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */ |
|
|
1852 | |
1744 | if (expect_true (*flag)) |
1853 | if (expect_true (*flag)) |
1745 | return; |
1854 | return; |
1746 | |
1855 | |
1747 | *flag = 1; |
1856 | *flag = 1; |
1748 | |
1857 | |
… | |
… | |
1754 | |
1863 | |
1755 | if (pipe_write_wanted) |
1864 | if (pipe_write_wanted) |
1756 | { |
1865 | { |
1757 | int old_errno; |
1866 | int old_errno; |
1758 | |
1867 | |
1759 | pipe_write_skipped = 0; /* just an optimsiation, no fence needed */ |
1868 | pipe_write_skipped = 0; /* just an optimisation, no fence needed */ |
1760 | |
1869 | |
1761 | old_errno = errno; /* save errno because write will clobber it */ |
1870 | old_errno = errno; /* save errno because write will clobber it */ |
1762 | |
1871 | |
1763 | #if EV_USE_EVENTFD |
1872 | #if EV_USE_EVENTFD |
1764 | if (evfd >= 0) |
1873 | if (evfd >= 0) |
… | |
… | |
1767 | write (evfd, &counter, sizeof (uint64_t)); |
1876 | write (evfd, &counter, sizeof (uint64_t)); |
1768 | } |
1877 | } |
1769 | else |
1878 | else |
1770 | #endif |
1879 | #endif |
1771 | { |
1880 | { |
1772 | /* win32 people keep sending patches that change this write() to send() */ |
1881 | #ifdef _WIN32 |
1773 | /* and then run away. but send() is wrong, it wants a socket handle on win32 */ |
1882 | WSABUF buf; |
1774 | /* so when you think this write should be a send instead, please find out */ |
1883 | DWORD sent; |
1775 | /* where your send() is from - it's definitely not the microsoft send, and */ |
1884 | buf.buf = &buf; |
1776 | /* tell me. thank you. */ |
1885 | buf.len = 1; |
|
|
1886 | WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0); |
|
|
1887 | #else |
1777 | write (evpipe [1], &(evpipe [1]), 1); |
1888 | write (evpipe [1], &(evpipe [1]), 1); |
|
|
1889 | #endif |
1778 | } |
1890 | } |
1779 | |
1891 | |
1780 | errno = old_errno; |
1892 | errno = old_errno; |
1781 | } |
1893 | } |
1782 | } |
1894 | } |
… | |
… | |
1797 | read (evfd, &counter, sizeof (uint64_t)); |
1909 | read (evfd, &counter, sizeof (uint64_t)); |
1798 | } |
1910 | } |
1799 | else |
1911 | else |
1800 | #endif |
1912 | #endif |
1801 | { |
1913 | { |
1802 | char dummy; |
1914 | char dummy[4]; |
1803 | /* see discussion in evpipe_write when you think this read should be recv in win32 */ |
1915 | #ifdef _WIN32 |
|
|
1916 | WSABUF buf; |
|
|
1917 | DWORD recvd; |
|
|
1918 | buf.buf = dummy; |
|
|
1919 | buf.len = sizeof (dummy); |
|
|
1920 | WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, 0, 0, 0); |
|
|
1921 | #else |
1804 | read (evpipe [0], &dummy, 1); |
1922 | read (evpipe [0], &dummy, sizeof (dummy)); |
|
|
1923 | #endif |
1805 | } |
1924 | } |
1806 | } |
1925 | } |
1807 | |
1926 | |
1808 | pipe_write_skipped = 0; |
1927 | pipe_write_skipped = 0; |
|
|
1928 | |
|
|
1929 | ECB_MEMORY_FENCE; /* push out skipped, acquire flags */ |
1809 | |
1930 | |
1810 | #if EV_SIGNAL_ENABLE |
1931 | #if EV_SIGNAL_ENABLE |
1811 | if (sig_pending) |
1932 | if (sig_pending) |
1812 | { |
1933 | { |
1813 | sig_pending = 0; |
1934 | sig_pending = 0; |
|
|
1935 | |
|
|
1936 | ECB_MEMORY_FENCE_RELEASE; |
1814 | |
1937 | |
1815 | for (i = EV_NSIG - 1; i--; ) |
1938 | for (i = EV_NSIG - 1; i--; ) |
1816 | if (expect_false (signals [i].pending)) |
1939 | if (expect_false (signals [i].pending)) |
1817 | ev_feed_signal_event (EV_A_ i + 1); |
1940 | ev_feed_signal_event (EV_A_ i + 1); |
1818 | } |
1941 | } |
… | |
… | |
1820 | |
1943 | |
1821 | #if EV_ASYNC_ENABLE |
1944 | #if EV_ASYNC_ENABLE |
1822 | if (async_pending) |
1945 | if (async_pending) |
1823 | { |
1946 | { |
1824 | async_pending = 0; |
1947 | async_pending = 0; |
|
|
1948 | |
|
|
1949 | ECB_MEMORY_FENCE_RELEASE; |
1825 | |
1950 | |
1826 | for (i = asynccnt; i--; ) |
1951 | for (i = asynccnt; i--; ) |
1827 | if (asyncs [i]->sent) |
1952 | if (asyncs [i]->sent) |
1828 | { |
1953 | { |
1829 | asyncs [i]->sent = 0; |
1954 | asyncs [i]->sent = 0; |
… | |
… | |
1834 | } |
1959 | } |
1835 | |
1960 | |
1836 | /*****************************************************************************/ |
1961 | /*****************************************************************************/ |
1837 | |
1962 | |
1838 | void |
1963 | void |
1839 | ev_feed_signal (int signum) |
1964 | ev_feed_signal (int signum) EV_THROW |
1840 | { |
1965 | { |
1841 | #if EV_MULTIPLICITY |
1966 | #if EV_MULTIPLICITY |
1842 | EV_P = signals [signum - 1].loop; |
1967 | EV_P = signals [signum - 1].loop; |
1843 | |
1968 | |
1844 | if (!EV_A) |
1969 | if (!EV_A) |
… | |
… | |
1861 | |
1986 | |
1862 | ev_feed_signal (signum); |
1987 | ev_feed_signal (signum); |
1863 | } |
1988 | } |
1864 | |
1989 | |
1865 | void noinline |
1990 | void noinline |
1866 | ev_feed_signal_event (EV_P_ int signum) |
1991 | ev_feed_signal_event (EV_P_ int signum) EV_THROW |
1867 | { |
1992 | { |
1868 | WL w; |
1993 | WL w; |
1869 | |
1994 | |
1870 | if (expect_false (signum <= 0 || signum > EV_NSIG)) |
1995 | if (expect_false (signum <= 0 || signum > EV_NSIG)) |
1871 | return; |
1996 | return; |
… | |
… | |
1987 | #if EV_USE_SELECT |
2112 | #if EV_USE_SELECT |
1988 | # include "ev_select.c" |
2113 | # include "ev_select.c" |
1989 | #endif |
2114 | #endif |
1990 | |
2115 | |
1991 | int ecb_cold |
2116 | int ecb_cold |
1992 | ev_version_major (void) |
2117 | ev_version_major (void) EV_THROW |
1993 | { |
2118 | { |
1994 | return EV_VERSION_MAJOR; |
2119 | return EV_VERSION_MAJOR; |
1995 | } |
2120 | } |
1996 | |
2121 | |
1997 | int ecb_cold |
2122 | int ecb_cold |
1998 | ev_version_minor (void) |
2123 | ev_version_minor (void) EV_THROW |
1999 | { |
2124 | { |
2000 | return EV_VERSION_MINOR; |
2125 | return EV_VERSION_MINOR; |
2001 | } |
2126 | } |
2002 | |
2127 | |
2003 | /* return true if we are running with elevated privileges and should ignore env variables */ |
2128 | /* return true if we are running with elevated privileges and should ignore env variables */ |
… | |
… | |
2011 | || getgid () != getegid (); |
2136 | || getgid () != getegid (); |
2012 | #endif |
2137 | #endif |
2013 | } |
2138 | } |
2014 | |
2139 | |
2015 | unsigned int ecb_cold |
2140 | unsigned int ecb_cold |
2016 | ev_supported_backends (void) |
2141 | ev_supported_backends (void) EV_THROW |
2017 | { |
2142 | { |
2018 | unsigned int flags = 0; |
2143 | unsigned int flags = 0; |
2019 | |
2144 | |
2020 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2145 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2021 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
2146 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
… | |
… | |
2025 | |
2150 | |
2026 | return flags; |
2151 | return flags; |
2027 | } |
2152 | } |
2028 | |
2153 | |
2029 | unsigned int ecb_cold |
2154 | unsigned int ecb_cold |
2030 | ev_recommended_backends (void) |
2155 | ev_recommended_backends (void) EV_THROW |
2031 | { |
2156 | { |
2032 | unsigned int flags = ev_supported_backends (); |
2157 | unsigned int flags = ev_supported_backends (); |
2033 | |
2158 | |
2034 | #ifndef __NetBSD__ |
2159 | #ifndef __NetBSD__ |
2035 | /* kqueue is borked on everything but netbsd apparently */ |
2160 | /* kqueue is borked on everything but netbsd apparently */ |
… | |
… | |
2047 | |
2172 | |
2048 | return flags; |
2173 | return flags; |
2049 | } |
2174 | } |
2050 | |
2175 | |
2051 | unsigned int ecb_cold |
2176 | unsigned int ecb_cold |
2052 | ev_embeddable_backends (void) |
2177 | ev_embeddable_backends (void) EV_THROW |
2053 | { |
2178 | { |
2054 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
2179 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
2055 | |
2180 | |
2056 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2181 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2057 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
2182 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
… | |
… | |
2059 | |
2184 | |
2060 | return flags; |
2185 | return flags; |
2061 | } |
2186 | } |
2062 | |
2187 | |
2063 | unsigned int |
2188 | unsigned int |
2064 | ev_backend (EV_P) |
2189 | ev_backend (EV_P) EV_THROW |
2065 | { |
2190 | { |
2066 | return backend; |
2191 | return backend; |
2067 | } |
2192 | } |
2068 | |
2193 | |
2069 | #if EV_FEATURE_API |
2194 | #if EV_FEATURE_API |
2070 | unsigned int |
2195 | unsigned int |
2071 | ev_iteration (EV_P) |
2196 | ev_iteration (EV_P) EV_THROW |
2072 | { |
2197 | { |
2073 | return loop_count; |
2198 | return loop_count; |
2074 | } |
2199 | } |
2075 | |
2200 | |
2076 | unsigned int |
2201 | unsigned int |
2077 | ev_depth (EV_P) |
2202 | ev_depth (EV_P) EV_THROW |
2078 | { |
2203 | { |
2079 | return loop_depth; |
2204 | return loop_depth; |
2080 | } |
2205 | } |
2081 | |
2206 | |
2082 | void |
2207 | void |
2083 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
2208 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
2084 | { |
2209 | { |
2085 | io_blocktime = interval; |
2210 | io_blocktime = interval; |
2086 | } |
2211 | } |
2087 | |
2212 | |
2088 | void |
2213 | void |
2089 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
2214 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
2090 | { |
2215 | { |
2091 | timeout_blocktime = interval; |
2216 | timeout_blocktime = interval; |
2092 | } |
2217 | } |
2093 | |
2218 | |
2094 | void |
2219 | void |
2095 | ev_set_userdata (EV_P_ void *data) |
2220 | ev_set_userdata (EV_P_ void *data) EV_THROW |
2096 | { |
2221 | { |
2097 | userdata = data; |
2222 | userdata = data; |
2098 | } |
2223 | } |
2099 | |
2224 | |
2100 | void * |
2225 | void * |
2101 | ev_userdata (EV_P) |
2226 | ev_userdata (EV_P) EV_THROW |
2102 | { |
2227 | { |
2103 | return userdata; |
2228 | return userdata; |
2104 | } |
2229 | } |
2105 | |
2230 | |
2106 | void |
2231 | void |
2107 | ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) |
2232 | ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW |
2108 | { |
2233 | { |
2109 | invoke_cb = invoke_pending_cb; |
2234 | invoke_cb = invoke_pending_cb; |
2110 | } |
2235 | } |
2111 | |
2236 | |
2112 | void |
2237 | void |
2113 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) |
2238 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW |
2114 | { |
2239 | { |
2115 | release_cb = release; |
2240 | release_cb = release; |
2116 | acquire_cb = acquire; |
2241 | acquire_cb = acquire; |
2117 | } |
2242 | } |
2118 | #endif |
2243 | #endif |
2119 | |
2244 | |
2120 | /* initialise a loop structure, must be zero-initialised */ |
2245 | /* initialise a loop structure, must be zero-initialised */ |
2121 | static void noinline ecb_cold |
2246 | static void noinline ecb_cold |
2122 | loop_init (EV_P_ unsigned int flags) |
2247 | loop_init (EV_P_ unsigned int flags) EV_THROW |
2123 | { |
2248 | { |
2124 | if (!backend) |
2249 | if (!backend) |
2125 | { |
2250 | { |
2126 | origflags = flags; |
2251 | origflags = flags; |
2127 | |
2252 | |
… | |
… | |
2380 | } |
2505 | } |
2381 | |
2506 | |
2382 | #if EV_MULTIPLICITY |
2507 | #if EV_MULTIPLICITY |
2383 | |
2508 | |
2384 | struct ev_loop * ecb_cold |
2509 | struct ev_loop * ecb_cold |
2385 | ev_loop_new (unsigned int flags) |
2510 | ev_loop_new (unsigned int flags) EV_THROW |
2386 | { |
2511 | { |
2387 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
2512 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
2388 | |
2513 | |
2389 | memset (EV_A, 0, sizeof (struct ev_loop)); |
2514 | memset (EV_A, 0, sizeof (struct ev_loop)); |
2390 | loop_init (EV_A_ flags); |
2515 | loop_init (EV_A_ flags); |
… | |
… | |
2434 | } |
2559 | } |
2435 | #endif |
2560 | #endif |
2436 | |
2561 | |
2437 | #if EV_FEATURE_API |
2562 | #if EV_FEATURE_API |
2438 | void ecb_cold |
2563 | void ecb_cold |
2439 | ev_verify (EV_P) |
2564 | ev_verify (EV_P) EV_THROW |
2440 | { |
2565 | { |
2441 | #if EV_VERIFY |
2566 | #if EV_VERIFY |
2442 | int i; |
2567 | int i, j; |
2443 | WL w; |
2568 | WL w, w2; |
2444 | |
2569 | |
2445 | assert (activecnt >= -1); |
2570 | assert (activecnt >= -1); |
2446 | |
2571 | |
2447 | assert (fdchangemax >= fdchangecnt); |
2572 | assert (fdchangemax >= fdchangecnt); |
2448 | for (i = 0; i < fdchangecnt; ++i) |
2573 | for (i = 0; i < fdchangecnt; ++i) |
2449 | assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); |
2574 | assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); |
2450 | |
2575 | |
2451 | assert (anfdmax >= 0); |
2576 | assert (anfdmax >= 0); |
2452 | for (i = 0; i < anfdmax; ++i) |
2577 | for (i = j = 0; i < anfdmax; ++i) |
2453 | for (w = anfds [i].head; w; w = w->next) |
2578 | for (w = w2 = anfds [i].head; w; w = w->next) |
2454 | { |
2579 | { |
2455 | verify_watcher (EV_A_ (W)w); |
2580 | verify_watcher (EV_A_ (W)w); |
|
|
2581 | |
|
|
2582 | if (++j & 1) |
|
|
2583 | w2 = w2->next; |
|
|
2584 | |
|
|
2585 | assert (("libev: io watcher list contains a loop", w != w2)); |
2456 | assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); |
2586 | assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); |
2457 | assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
2587 | assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
2458 | } |
2588 | } |
2459 | |
2589 | |
2460 | assert (timermax >= timercnt); |
2590 | assert (timermax >= timercnt); |
… | |
… | |
2513 | #if EV_MULTIPLICITY |
2643 | #if EV_MULTIPLICITY |
2514 | struct ev_loop * ecb_cold |
2644 | struct ev_loop * ecb_cold |
2515 | #else |
2645 | #else |
2516 | int |
2646 | int |
2517 | #endif |
2647 | #endif |
2518 | ev_default_loop (unsigned int flags) |
2648 | ev_default_loop (unsigned int flags) EV_THROW |
2519 | { |
2649 | { |
2520 | if (!ev_default_loop_ptr) |
2650 | if (!ev_default_loop_ptr) |
2521 | { |
2651 | { |
2522 | #if EV_MULTIPLICITY |
2652 | #if EV_MULTIPLICITY |
2523 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
2653 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
… | |
… | |
2542 | |
2672 | |
2543 | return ev_default_loop_ptr; |
2673 | return ev_default_loop_ptr; |
2544 | } |
2674 | } |
2545 | |
2675 | |
2546 | void |
2676 | void |
2547 | ev_loop_fork (EV_P) |
2677 | ev_loop_fork (EV_P) EV_THROW |
2548 | { |
2678 | { |
2549 | postfork = 1; /* must be in line with ev_default_fork */ |
2679 | postfork = 1; /* must be in line with ev_default_fork */ |
2550 | } |
2680 | } |
2551 | |
2681 | |
2552 | /*****************************************************************************/ |
2682 | /*****************************************************************************/ |
… | |
… | |
2556 | { |
2686 | { |
2557 | EV_CB_INVOKE ((W)w, revents); |
2687 | EV_CB_INVOKE ((W)w, revents); |
2558 | } |
2688 | } |
2559 | |
2689 | |
2560 | unsigned int |
2690 | unsigned int |
2561 | ev_pending_count (EV_P) |
2691 | ev_pending_count (EV_P) EV_THROW |
2562 | { |
2692 | { |
2563 | int pri; |
2693 | int pri; |
2564 | unsigned int count = 0; |
2694 | unsigned int count = 0; |
2565 | |
2695 | |
2566 | for (pri = NUMPRI; pri--; ) |
2696 | for (pri = NUMPRI; pri--; ) |
… | |
… | |
2570 | } |
2700 | } |
2571 | |
2701 | |
2572 | void noinline |
2702 | void noinline |
2573 | ev_invoke_pending (EV_P) |
2703 | ev_invoke_pending (EV_P) |
2574 | { |
2704 | { |
2575 | int pri; |
2705 | for (pendingpri = NUMPRI; pendingpri--; ) /* pendingpri is modified during the loop */ |
2576 | |
|
|
2577 | for (pri = NUMPRI; pri--; ) |
|
|
2578 | while (pendingcnt [pri]) |
2706 | while (pendingcnt [pendingpri]) |
2579 | { |
2707 | { |
2580 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
2708 | ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri]; |
2581 | |
2709 | |
2582 | p->w->pending = 0; |
2710 | p->w->pending = 0; |
2583 | EV_CB_INVOKE (p->w, p->events); |
2711 | EV_CB_INVOKE (p->w, p->events); |
2584 | EV_FREQUENT_CHECK; |
2712 | EV_FREQUENT_CHECK; |
2585 | } |
2713 | } |
… | |
… | |
2825 | |
2953 | |
2826 | mn_now = ev_rt_now; |
2954 | mn_now = ev_rt_now; |
2827 | } |
2955 | } |
2828 | } |
2956 | } |
2829 | |
2957 | |
2830 | void |
2958 | int |
2831 | ev_run (EV_P_ int flags) |
2959 | ev_run (EV_P_ int flags) |
2832 | { |
2960 | { |
2833 | #if EV_FEATURE_API |
2961 | #if EV_FEATURE_API |
2834 | ++loop_depth; |
2962 | ++loop_depth; |
2835 | #endif |
2963 | #endif |
… | |
… | |
2948 | #endif |
3076 | #endif |
2949 | assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ |
3077 | assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ |
2950 | backend_poll (EV_A_ waittime); |
3078 | backend_poll (EV_A_ waittime); |
2951 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
3079 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
2952 | |
3080 | |
2953 | pipe_write_wanted = 0; /* just an optimsiation, no fence needed */ |
3081 | pipe_write_wanted = 0; /* just an optimisation, no fence needed */ |
2954 | |
3082 | |
2955 | if (pipe_write_skipped) |
3083 | if (pipe_write_skipped) |
2956 | { |
3084 | { |
2957 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
3085 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
2958 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
3086 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
… | |
… | |
2992 | loop_done = EVBREAK_CANCEL; |
3120 | loop_done = EVBREAK_CANCEL; |
2993 | |
3121 | |
2994 | #if EV_FEATURE_API |
3122 | #if EV_FEATURE_API |
2995 | --loop_depth; |
3123 | --loop_depth; |
2996 | #endif |
3124 | #endif |
|
|
3125 | |
|
|
3126 | return activecnt; |
2997 | } |
3127 | } |
2998 | |
3128 | |
2999 | void |
3129 | void |
3000 | ev_break (EV_P_ int how) |
3130 | ev_break (EV_P_ int how) EV_THROW |
3001 | { |
3131 | { |
3002 | loop_done = how; |
3132 | loop_done = how; |
3003 | } |
3133 | } |
3004 | |
3134 | |
3005 | void |
3135 | void |
3006 | ev_ref (EV_P) |
3136 | ev_ref (EV_P) EV_THROW |
3007 | { |
3137 | { |
3008 | ++activecnt; |
3138 | ++activecnt; |
3009 | } |
3139 | } |
3010 | |
3140 | |
3011 | void |
3141 | void |
3012 | ev_unref (EV_P) |
3142 | ev_unref (EV_P) EV_THROW |
3013 | { |
3143 | { |
3014 | --activecnt; |
3144 | --activecnt; |
3015 | } |
3145 | } |
3016 | |
3146 | |
3017 | void |
3147 | void |
3018 | ev_now_update (EV_P) |
3148 | ev_now_update (EV_P) EV_THROW |
3019 | { |
3149 | { |
3020 | time_update (EV_A_ 1e100); |
3150 | time_update (EV_A_ 1e100); |
3021 | } |
3151 | } |
3022 | |
3152 | |
3023 | void |
3153 | void |
3024 | ev_suspend (EV_P) |
3154 | ev_suspend (EV_P) EV_THROW |
3025 | { |
3155 | { |
3026 | ev_now_update (EV_A); |
3156 | ev_now_update (EV_A); |
3027 | } |
3157 | } |
3028 | |
3158 | |
3029 | void |
3159 | void |
3030 | ev_resume (EV_P) |
3160 | ev_resume (EV_P) EV_THROW |
3031 | { |
3161 | { |
3032 | ev_tstamp mn_prev = mn_now; |
3162 | ev_tstamp mn_prev = mn_now; |
3033 | |
3163 | |
3034 | ev_now_update (EV_A); |
3164 | ev_now_update (EV_A); |
3035 | timers_reschedule (EV_A_ mn_now - mn_prev); |
3165 | timers_reschedule (EV_A_ mn_now - mn_prev); |
… | |
… | |
3074 | w->pending = 0; |
3204 | w->pending = 0; |
3075 | } |
3205 | } |
3076 | } |
3206 | } |
3077 | |
3207 | |
3078 | int |
3208 | int |
3079 | ev_clear_pending (EV_P_ void *w) |
3209 | ev_clear_pending (EV_P_ void *w) EV_THROW |
3080 | { |
3210 | { |
3081 | W w_ = (W)w; |
3211 | W w_ = (W)w; |
3082 | int pending = w_->pending; |
3212 | int pending = w_->pending; |
3083 | |
3213 | |
3084 | if (expect_true (pending)) |
3214 | if (expect_true (pending)) |
… | |
… | |
3117 | } |
3247 | } |
3118 | |
3248 | |
3119 | /*****************************************************************************/ |
3249 | /*****************************************************************************/ |
3120 | |
3250 | |
3121 | void noinline |
3251 | void noinline |
3122 | ev_io_start (EV_P_ ev_io *w) |
3252 | ev_io_start (EV_P_ ev_io *w) EV_THROW |
3123 | { |
3253 | { |
3124 | int fd = w->fd; |
3254 | int fd = w->fd; |
3125 | |
3255 | |
3126 | if (expect_false (ev_is_active (w))) |
3256 | if (expect_false (ev_is_active (w))) |
3127 | return; |
3257 | return; |
… | |
… | |
3133 | |
3263 | |
3134 | ev_start (EV_A_ (W)w, 1); |
3264 | ev_start (EV_A_ (W)w, 1); |
3135 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
3265 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
3136 | wlist_add (&anfds[fd].head, (WL)w); |
3266 | wlist_add (&anfds[fd].head, (WL)w); |
3137 | |
3267 | |
|
|
3268 | /* common bug, apparently */ |
|
|
3269 | assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w)); |
|
|
3270 | |
3138 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); |
3271 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); |
3139 | w->events &= ~EV__IOFDSET; |
3272 | w->events &= ~EV__IOFDSET; |
3140 | |
3273 | |
3141 | EV_FREQUENT_CHECK; |
3274 | EV_FREQUENT_CHECK; |
3142 | } |
3275 | } |
3143 | |
3276 | |
3144 | void noinline |
3277 | void noinline |
3145 | ev_io_stop (EV_P_ ev_io *w) |
3278 | ev_io_stop (EV_P_ ev_io *w) EV_THROW |
3146 | { |
3279 | { |
3147 | clear_pending (EV_A_ (W)w); |
3280 | clear_pending (EV_A_ (W)w); |
3148 | if (expect_false (!ev_is_active (w))) |
3281 | if (expect_false (!ev_is_active (w))) |
3149 | return; |
3282 | return; |
3150 | |
3283 | |
… | |
… | |
3159 | |
3292 | |
3160 | EV_FREQUENT_CHECK; |
3293 | EV_FREQUENT_CHECK; |
3161 | } |
3294 | } |
3162 | |
3295 | |
3163 | void noinline |
3296 | void noinline |
3164 | ev_timer_start (EV_P_ ev_timer *w) |
3297 | ev_timer_start (EV_P_ ev_timer *w) EV_THROW |
3165 | { |
3298 | { |
3166 | if (expect_false (ev_is_active (w))) |
3299 | if (expect_false (ev_is_active (w))) |
3167 | return; |
3300 | return; |
3168 | |
3301 | |
3169 | ev_at (w) += mn_now; |
3302 | ev_at (w) += mn_now; |
… | |
… | |
3183 | |
3316 | |
3184 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
3317 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
3185 | } |
3318 | } |
3186 | |
3319 | |
3187 | void noinline |
3320 | void noinline |
3188 | ev_timer_stop (EV_P_ ev_timer *w) |
3321 | ev_timer_stop (EV_P_ ev_timer *w) EV_THROW |
3189 | { |
3322 | { |
3190 | clear_pending (EV_A_ (W)w); |
3323 | clear_pending (EV_A_ (W)w); |
3191 | if (expect_false (!ev_is_active (w))) |
3324 | if (expect_false (!ev_is_active (w))) |
3192 | return; |
3325 | return; |
3193 | |
3326 | |
… | |
… | |
3213 | |
3346 | |
3214 | EV_FREQUENT_CHECK; |
3347 | EV_FREQUENT_CHECK; |
3215 | } |
3348 | } |
3216 | |
3349 | |
3217 | void noinline |
3350 | void noinline |
3218 | ev_timer_again (EV_P_ ev_timer *w) |
3351 | ev_timer_again (EV_P_ ev_timer *w) EV_THROW |
3219 | { |
3352 | { |
3220 | EV_FREQUENT_CHECK; |
3353 | EV_FREQUENT_CHECK; |
|
|
3354 | |
|
|
3355 | clear_pending (EV_A_ (W)w); |
3221 | |
3356 | |
3222 | if (ev_is_active (w)) |
3357 | if (ev_is_active (w)) |
3223 | { |
3358 | { |
3224 | if (w->repeat) |
3359 | if (w->repeat) |
3225 | { |
3360 | { |
… | |
… | |
3238 | |
3373 | |
3239 | EV_FREQUENT_CHECK; |
3374 | EV_FREQUENT_CHECK; |
3240 | } |
3375 | } |
3241 | |
3376 | |
3242 | ev_tstamp |
3377 | ev_tstamp |
3243 | ev_timer_remaining (EV_P_ ev_timer *w) |
3378 | ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW |
3244 | { |
3379 | { |
3245 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
3380 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
3246 | } |
3381 | } |
3247 | |
3382 | |
3248 | #if EV_PERIODIC_ENABLE |
3383 | #if EV_PERIODIC_ENABLE |
3249 | void noinline |
3384 | void noinline |
3250 | ev_periodic_start (EV_P_ ev_periodic *w) |
3385 | ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW |
3251 | { |
3386 | { |
3252 | if (expect_false (ev_is_active (w))) |
3387 | if (expect_false (ev_is_active (w))) |
3253 | return; |
3388 | return; |
3254 | |
3389 | |
3255 | if (w->reschedule_cb) |
3390 | if (w->reschedule_cb) |
… | |
… | |
3275 | |
3410 | |
3276 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
3411 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
3277 | } |
3412 | } |
3278 | |
3413 | |
3279 | void noinline |
3414 | void noinline |
3280 | ev_periodic_stop (EV_P_ ev_periodic *w) |
3415 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW |
3281 | { |
3416 | { |
3282 | clear_pending (EV_A_ (W)w); |
3417 | clear_pending (EV_A_ (W)w); |
3283 | if (expect_false (!ev_is_active (w))) |
3418 | if (expect_false (!ev_is_active (w))) |
3284 | return; |
3419 | return; |
3285 | |
3420 | |
… | |
… | |
3303 | |
3438 | |
3304 | EV_FREQUENT_CHECK; |
3439 | EV_FREQUENT_CHECK; |
3305 | } |
3440 | } |
3306 | |
3441 | |
3307 | void noinline |
3442 | void noinline |
3308 | ev_periodic_again (EV_P_ ev_periodic *w) |
3443 | ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW |
3309 | { |
3444 | { |
3310 | /* TODO: use adjustheap and recalculation */ |
3445 | /* TODO: use adjustheap and recalculation */ |
3311 | ev_periodic_stop (EV_A_ w); |
3446 | ev_periodic_stop (EV_A_ w); |
3312 | ev_periodic_start (EV_A_ w); |
3447 | ev_periodic_start (EV_A_ w); |
3313 | } |
3448 | } |
… | |
… | |
3318 | #endif |
3453 | #endif |
3319 | |
3454 | |
3320 | #if EV_SIGNAL_ENABLE |
3455 | #if EV_SIGNAL_ENABLE |
3321 | |
3456 | |
3322 | void noinline |
3457 | void noinline |
3323 | ev_signal_start (EV_P_ ev_signal *w) |
3458 | ev_signal_start (EV_P_ ev_signal *w) EV_THROW |
3324 | { |
3459 | { |
3325 | if (expect_false (ev_is_active (w))) |
3460 | if (expect_false (ev_is_active (w))) |
3326 | return; |
3461 | return; |
3327 | |
3462 | |
3328 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
3463 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
… | |
… | |
3399 | |
3534 | |
3400 | EV_FREQUENT_CHECK; |
3535 | EV_FREQUENT_CHECK; |
3401 | } |
3536 | } |
3402 | |
3537 | |
3403 | void noinline |
3538 | void noinline |
3404 | ev_signal_stop (EV_P_ ev_signal *w) |
3539 | ev_signal_stop (EV_P_ ev_signal *w) EV_THROW |
3405 | { |
3540 | { |
3406 | clear_pending (EV_A_ (W)w); |
3541 | clear_pending (EV_A_ (W)w); |
3407 | if (expect_false (!ev_is_active (w))) |
3542 | if (expect_false (!ev_is_active (w))) |
3408 | return; |
3543 | return; |
3409 | |
3544 | |
… | |
… | |
3440 | #endif |
3575 | #endif |
3441 | |
3576 | |
3442 | #if EV_CHILD_ENABLE |
3577 | #if EV_CHILD_ENABLE |
3443 | |
3578 | |
3444 | void |
3579 | void |
3445 | ev_child_start (EV_P_ ev_child *w) |
3580 | ev_child_start (EV_P_ ev_child *w) EV_THROW |
3446 | { |
3581 | { |
3447 | #if EV_MULTIPLICITY |
3582 | #if EV_MULTIPLICITY |
3448 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
3583 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
3449 | #endif |
3584 | #endif |
3450 | if (expect_false (ev_is_active (w))) |
3585 | if (expect_false (ev_is_active (w))) |
… | |
… | |
3457 | |
3592 | |
3458 | EV_FREQUENT_CHECK; |
3593 | EV_FREQUENT_CHECK; |
3459 | } |
3594 | } |
3460 | |
3595 | |
3461 | void |
3596 | void |
3462 | ev_child_stop (EV_P_ ev_child *w) |
3597 | ev_child_stop (EV_P_ ev_child *w) EV_THROW |
3463 | { |
3598 | { |
3464 | clear_pending (EV_A_ (W)w); |
3599 | clear_pending (EV_A_ (W)w); |
3465 | if (expect_false (!ev_is_active (w))) |
3600 | if (expect_false (!ev_is_active (w))) |
3466 | return; |
3601 | return; |
3467 | |
3602 | |
… | |
… | |
3634 | } |
3769 | } |
3635 | |
3770 | |
3636 | inline_size int |
3771 | inline_size int |
3637 | infy_newfd (void) |
3772 | infy_newfd (void) |
3638 | { |
3773 | { |
3639 | #if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) |
3774 | #if defined IN_CLOEXEC && defined IN_NONBLOCK |
3640 | int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); |
3775 | int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); |
3641 | if (fd >= 0) |
3776 | if (fd >= 0) |
3642 | return fd; |
3777 | return fd; |
3643 | #endif |
3778 | #endif |
3644 | return inotify_init (); |
3779 | return inotify_init (); |
… | |
… | |
3719 | #else |
3854 | #else |
3720 | # define EV_LSTAT(p,b) lstat (p, b) |
3855 | # define EV_LSTAT(p,b) lstat (p, b) |
3721 | #endif |
3856 | #endif |
3722 | |
3857 | |
3723 | void |
3858 | void |
3724 | ev_stat_stat (EV_P_ ev_stat *w) |
3859 | ev_stat_stat (EV_P_ ev_stat *w) EV_THROW |
3725 | { |
3860 | { |
3726 | if (lstat (w->path, &w->attr) < 0) |
3861 | if (lstat (w->path, &w->attr) < 0) |
3727 | w->attr.st_nlink = 0; |
3862 | w->attr.st_nlink = 0; |
3728 | else if (!w->attr.st_nlink) |
3863 | else if (!w->attr.st_nlink) |
3729 | w->attr.st_nlink = 1; |
3864 | w->attr.st_nlink = 1; |
… | |
… | |
3768 | ev_feed_event (EV_A_ w, EV_STAT); |
3903 | ev_feed_event (EV_A_ w, EV_STAT); |
3769 | } |
3904 | } |
3770 | } |
3905 | } |
3771 | |
3906 | |
3772 | void |
3907 | void |
3773 | ev_stat_start (EV_P_ ev_stat *w) |
3908 | ev_stat_start (EV_P_ ev_stat *w) EV_THROW |
3774 | { |
3909 | { |
3775 | if (expect_false (ev_is_active (w))) |
3910 | if (expect_false (ev_is_active (w))) |
3776 | return; |
3911 | return; |
3777 | |
3912 | |
3778 | ev_stat_stat (EV_A_ w); |
3913 | ev_stat_stat (EV_A_ w); |
… | |
… | |
3799 | |
3934 | |
3800 | EV_FREQUENT_CHECK; |
3935 | EV_FREQUENT_CHECK; |
3801 | } |
3936 | } |
3802 | |
3937 | |
3803 | void |
3938 | void |
3804 | ev_stat_stop (EV_P_ ev_stat *w) |
3939 | ev_stat_stop (EV_P_ ev_stat *w) EV_THROW |
3805 | { |
3940 | { |
3806 | clear_pending (EV_A_ (W)w); |
3941 | clear_pending (EV_A_ (W)w); |
3807 | if (expect_false (!ev_is_active (w))) |
3942 | if (expect_false (!ev_is_active (w))) |
3808 | return; |
3943 | return; |
3809 | |
3944 | |
… | |
… | |
3825 | } |
3960 | } |
3826 | #endif |
3961 | #endif |
3827 | |
3962 | |
3828 | #if EV_IDLE_ENABLE |
3963 | #if EV_IDLE_ENABLE |
3829 | void |
3964 | void |
3830 | ev_idle_start (EV_P_ ev_idle *w) |
3965 | ev_idle_start (EV_P_ ev_idle *w) EV_THROW |
3831 | { |
3966 | { |
3832 | if (expect_false (ev_is_active (w))) |
3967 | if (expect_false (ev_is_active (w))) |
3833 | return; |
3968 | return; |
3834 | |
3969 | |
3835 | pri_adjust (EV_A_ (W)w); |
3970 | pri_adjust (EV_A_ (W)w); |
… | |
… | |
3848 | |
3983 | |
3849 | EV_FREQUENT_CHECK; |
3984 | EV_FREQUENT_CHECK; |
3850 | } |
3985 | } |
3851 | |
3986 | |
3852 | void |
3987 | void |
3853 | ev_idle_stop (EV_P_ ev_idle *w) |
3988 | ev_idle_stop (EV_P_ ev_idle *w) EV_THROW |
3854 | { |
3989 | { |
3855 | clear_pending (EV_A_ (W)w); |
3990 | clear_pending (EV_A_ (W)w); |
3856 | if (expect_false (!ev_is_active (w))) |
3991 | if (expect_false (!ev_is_active (w))) |
3857 | return; |
3992 | return; |
3858 | |
3993 | |
… | |
… | |
3872 | } |
4007 | } |
3873 | #endif |
4008 | #endif |
3874 | |
4009 | |
3875 | #if EV_PREPARE_ENABLE |
4010 | #if EV_PREPARE_ENABLE |
3876 | void |
4011 | void |
3877 | ev_prepare_start (EV_P_ ev_prepare *w) |
4012 | ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW |
3878 | { |
4013 | { |
3879 | if (expect_false (ev_is_active (w))) |
4014 | if (expect_false (ev_is_active (w))) |
3880 | return; |
4015 | return; |
3881 | |
4016 | |
3882 | EV_FREQUENT_CHECK; |
4017 | EV_FREQUENT_CHECK; |
… | |
… | |
3887 | |
4022 | |
3888 | EV_FREQUENT_CHECK; |
4023 | EV_FREQUENT_CHECK; |
3889 | } |
4024 | } |
3890 | |
4025 | |
3891 | void |
4026 | void |
3892 | ev_prepare_stop (EV_P_ ev_prepare *w) |
4027 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW |
3893 | { |
4028 | { |
3894 | clear_pending (EV_A_ (W)w); |
4029 | clear_pending (EV_A_ (W)w); |
3895 | if (expect_false (!ev_is_active (w))) |
4030 | if (expect_false (!ev_is_active (w))) |
3896 | return; |
4031 | return; |
3897 | |
4032 | |
… | |
… | |
3910 | } |
4045 | } |
3911 | #endif |
4046 | #endif |
3912 | |
4047 | |
3913 | #if EV_CHECK_ENABLE |
4048 | #if EV_CHECK_ENABLE |
3914 | void |
4049 | void |
3915 | ev_check_start (EV_P_ ev_check *w) |
4050 | ev_check_start (EV_P_ ev_check *w) EV_THROW |
3916 | { |
4051 | { |
3917 | if (expect_false (ev_is_active (w))) |
4052 | if (expect_false (ev_is_active (w))) |
3918 | return; |
4053 | return; |
3919 | |
4054 | |
3920 | EV_FREQUENT_CHECK; |
4055 | EV_FREQUENT_CHECK; |
… | |
… | |
3925 | |
4060 | |
3926 | EV_FREQUENT_CHECK; |
4061 | EV_FREQUENT_CHECK; |
3927 | } |
4062 | } |
3928 | |
4063 | |
3929 | void |
4064 | void |
3930 | ev_check_stop (EV_P_ ev_check *w) |
4065 | ev_check_stop (EV_P_ ev_check *w) EV_THROW |
3931 | { |
4066 | { |
3932 | clear_pending (EV_A_ (W)w); |
4067 | clear_pending (EV_A_ (W)w); |
3933 | if (expect_false (!ev_is_active (w))) |
4068 | if (expect_false (!ev_is_active (w))) |
3934 | return; |
4069 | return; |
3935 | |
4070 | |
… | |
… | |
3948 | } |
4083 | } |
3949 | #endif |
4084 | #endif |
3950 | |
4085 | |
3951 | #if EV_EMBED_ENABLE |
4086 | #if EV_EMBED_ENABLE |
3952 | void noinline |
4087 | void noinline |
3953 | ev_embed_sweep (EV_P_ ev_embed *w) |
4088 | ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW |
3954 | { |
4089 | { |
3955 | ev_run (w->other, EVRUN_NOWAIT); |
4090 | ev_run (w->other, EVRUN_NOWAIT); |
3956 | } |
4091 | } |
3957 | |
4092 | |
3958 | static void |
4093 | static void |
… | |
… | |
4006 | ev_idle_stop (EV_A_ idle); |
4141 | ev_idle_stop (EV_A_ idle); |
4007 | } |
4142 | } |
4008 | #endif |
4143 | #endif |
4009 | |
4144 | |
4010 | void |
4145 | void |
4011 | ev_embed_start (EV_P_ ev_embed *w) |
4146 | ev_embed_start (EV_P_ ev_embed *w) EV_THROW |
4012 | { |
4147 | { |
4013 | if (expect_false (ev_is_active (w))) |
4148 | if (expect_false (ev_is_active (w))) |
4014 | return; |
4149 | return; |
4015 | |
4150 | |
4016 | { |
4151 | { |
… | |
… | |
4037 | |
4172 | |
4038 | EV_FREQUENT_CHECK; |
4173 | EV_FREQUENT_CHECK; |
4039 | } |
4174 | } |
4040 | |
4175 | |
4041 | void |
4176 | void |
4042 | ev_embed_stop (EV_P_ ev_embed *w) |
4177 | ev_embed_stop (EV_P_ ev_embed *w) EV_THROW |
4043 | { |
4178 | { |
4044 | clear_pending (EV_A_ (W)w); |
4179 | clear_pending (EV_A_ (W)w); |
4045 | if (expect_false (!ev_is_active (w))) |
4180 | if (expect_false (!ev_is_active (w))) |
4046 | return; |
4181 | return; |
4047 | |
4182 | |
… | |
… | |
4057 | } |
4192 | } |
4058 | #endif |
4193 | #endif |
4059 | |
4194 | |
4060 | #if EV_FORK_ENABLE |
4195 | #if EV_FORK_ENABLE |
4061 | void |
4196 | void |
4062 | ev_fork_start (EV_P_ ev_fork *w) |
4197 | ev_fork_start (EV_P_ ev_fork *w) EV_THROW |
4063 | { |
4198 | { |
4064 | if (expect_false (ev_is_active (w))) |
4199 | if (expect_false (ev_is_active (w))) |
4065 | return; |
4200 | return; |
4066 | |
4201 | |
4067 | EV_FREQUENT_CHECK; |
4202 | EV_FREQUENT_CHECK; |
… | |
… | |
4072 | |
4207 | |
4073 | EV_FREQUENT_CHECK; |
4208 | EV_FREQUENT_CHECK; |
4074 | } |
4209 | } |
4075 | |
4210 | |
4076 | void |
4211 | void |
4077 | ev_fork_stop (EV_P_ ev_fork *w) |
4212 | ev_fork_stop (EV_P_ ev_fork *w) EV_THROW |
4078 | { |
4213 | { |
4079 | clear_pending (EV_A_ (W)w); |
4214 | clear_pending (EV_A_ (W)w); |
4080 | if (expect_false (!ev_is_active (w))) |
4215 | if (expect_false (!ev_is_active (w))) |
4081 | return; |
4216 | return; |
4082 | |
4217 | |
… | |
… | |
4095 | } |
4230 | } |
4096 | #endif |
4231 | #endif |
4097 | |
4232 | |
4098 | #if EV_CLEANUP_ENABLE |
4233 | #if EV_CLEANUP_ENABLE |
4099 | void |
4234 | void |
4100 | ev_cleanup_start (EV_P_ ev_cleanup *w) |
4235 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW |
4101 | { |
4236 | { |
4102 | if (expect_false (ev_is_active (w))) |
4237 | if (expect_false (ev_is_active (w))) |
4103 | return; |
4238 | return; |
4104 | |
4239 | |
4105 | EV_FREQUENT_CHECK; |
4240 | EV_FREQUENT_CHECK; |
… | |
… | |
4112 | ev_unref (EV_A); |
4247 | ev_unref (EV_A); |
4113 | EV_FREQUENT_CHECK; |
4248 | EV_FREQUENT_CHECK; |
4114 | } |
4249 | } |
4115 | |
4250 | |
4116 | void |
4251 | void |
4117 | ev_cleanup_stop (EV_P_ ev_cleanup *w) |
4252 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW |
4118 | { |
4253 | { |
4119 | clear_pending (EV_A_ (W)w); |
4254 | clear_pending (EV_A_ (W)w); |
4120 | if (expect_false (!ev_is_active (w))) |
4255 | if (expect_false (!ev_is_active (w))) |
4121 | return; |
4256 | return; |
4122 | |
4257 | |
… | |
… | |
4136 | } |
4271 | } |
4137 | #endif |
4272 | #endif |
4138 | |
4273 | |
4139 | #if EV_ASYNC_ENABLE |
4274 | #if EV_ASYNC_ENABLE |
4140 | void |
4275 | void |
4141 | ev_async_start (EV_P_ ev_async *w) |
4276 | ev_async_start (EV_P_ ev_async *w) EV_THROW |
4142 | { |
4277 | { |
4143 | if (expect_false (ev_is_active (w))) |
4278 | if (expect_false (ev_is_active (w))) |
4144 | return; |
4279 | return; |
4145 | |
4280 | |
4146 | w->sent = 0; |
4281 | w->sent = 0; |
… | |
… | |
4155 | |
4290 | |
4156 | EV_FREQUENT_CHECK; |
4291 | EV_FREQUENT_CHECK; |
4157 | } |
4292 | } |
4158 | |
4293 | |
4159 | void |
4294 | void |
4160 | ev_async_stop (EV_P_ ev_async *w) |
4295 | ev_async_stop (EV_P_ ev_async *w) EV_THROW |
4161 | { |
4296 | { |
4162 | clear_pending (EV_A_ (W)w); |
4297 | clear_pending (EV_A_ (W)w); |
4163 | if (expect_false (!ev_is_active (w))) |
4298 | if (expect_false (!ev_is_active (w))) |
4164 | return; |
4299 | return; |
4165 | |
4300 | |
… | |
… | |
4176 | |
4311 | |
4177 | EV_FREQUENT_CHECK; |
4312 | EV_FREQUENT_CHECK; |
4178 | } |
4313 | } |
4179 | |
4314 | |
4180 | void |
4315 | void |
4181 | ev_async_send (EV_P_ ev_async *w) |
4316 | ev_async_send (EV_P_ ev_async *w) EV_THROW |
4182 | { |
4317 | { |
4183 | w->sent = 1; |
4318 | w->sent = 1; |
4184 | evpipe_write (EV_A_ &async_pending); |
4319 | evpipe_write (EV_A_ &async_pending); |
4185 | } |
4320 | } |
4186 | #endif |
4321 | #endif |
… | |
… | |
4223 | |
4358 | |
4224 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
4359 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
4225 | } |
4360 | } |
4226 | |
4361 | |
4227 | void |
4362 | void |
4228 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
4363 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW |
4229 | { |
4364 | { |
4230 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
4365 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
4231 | |
4366 | |
4232 | if (expect_false (!once)) |
4367 | if (expect_false (!once)) |
4233 | { |
4368 | { |
… | |
… | |
4255 | |
4390 | |
4256 | /*****************************************************************************/ |
4391 | /*****************************************************************************/ |
4257 | |
4392 | |
4258 | #if EV_WALK_ENABLE |
4393 | #if EV_WALK_ENABLE |
4259 | void ecb_cold |
4394 | void ecb_cold |
4260 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) |
4395 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW |
4261 | { |
4396 | { |
4262 | int i, j; |
4397 | int i, j; |
4263 | ev_watcher_list *wl, *wn; |
4398 | ev_watcher_list *wl, *wn; |
4264 | |
4399 | |
4265 | if (types & (EV_IO | EV_EMBED)) |
4400 | if (types & (EV_IO | EV_EMBED)) |
… | |
… | |
4371 | |
4506 | |
4372 | #if EV_MULTIPLICITY |
4507 | #if EV_MULTIPLICITY |
4373 | #include "ev_wrap.h" |
4508 | #include "ev_wrap.h" |
4374 | #endif |
4509 | #endif |
4375 | |
4510 | |
4376 | EV_CPP(}) |
|
|
4377 | |
|
|