ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/libev/ev.c
(Generate patch)

Comparing libev/ev.c (file contents):
Revision 1.398 by root, Sun Sep 25 21:27:35 2011 UTC vs.
Revision 1.417 by root, Mon Apr 2 20:22:30 2012 UTC

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
188EV_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
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#endif 556#endif
544 557
545#ifndef ECB_MEMORY_FENCE 558#ifndef ECB_MEMORY_FENCE
546 #if ECB_GCC_VERSION(2,5) || defined(__INTEL_COMPILER) || defined(__clang__) 559 #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
547 #if __i386__ 560 #if __i386 || __i386__
548 #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")
549 #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 */
550 #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 */
551 #elif __amd64 564 #elif __amd64 || __amd64__ || __x86_64 || __x86_64__
552 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") 565 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
553 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory") 566 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory")
554 #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 */
555 #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ 568 #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
556 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") 569 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
557 #elif defined(__ARM_ARCH_6__ ) || defined(__ARM_ARCH_6J__ ) \ 570 #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
558 || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6ZK__) 571 || 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") 572 #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__ ) \ 573 #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
561 || defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7R__ ) 574 || defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__
562 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") 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")
563 #endif 584 #endif
564 #endif 585 #endif
565#endif 586#endif
566 587
567#ifndef ECB_MEMORY_FENCE 588#ifndef ECB_MEMORY_FENCE
568 #if ECB_GCC_VERSION(4,4) || defined(__INTEL_COMPILER) || defined(__clang__) 589 #if ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
569 #define ECB_MEMORY_FENCE __sync_synchronize () 590 #define ECB_MEMORY_FENCE __sync_synchronize ()
570 /*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */ 591 /*#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 ); }) */ 592 /*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */
572 #elif _MSC_VER >= 1400 /* VC++ 2005 */ 593 #elif _MSC_VER >= 1400 /* VC++ 2005 */
573 #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) 594 #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
574 #define ECB_MEMORY_FENCE _ReadWriteBarrier () 595 #define ECB_MEMORY_FENCE _ReadWriteBarrier ()
575 #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */ 596 #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
576 #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () 597 #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
577 #elif defined(_WIN32) 598 #elif defined _WIN32
578 #include <WinNT.h> 599 #include <WinNT.h>
579 #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ 600 #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
601 #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
602 #include <mbarrier.h>
603 #define ECB_MEMORY_FENCE __machine_rw_barrier ()
604 #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()
605 #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()
606 #elif __xlC__
607 #define ECB_MEMORY_FENCE __sync ()
580 #endif 608 #endif
581#endif 609#endif
582 610
583#ifndef ECB_MEMORY_FENCE 611#ifndef ECB_MEMORY_FENCE
584 #if !ECB_AVOID_PTHREADS 612 #if !ECB_AVOID_PTHREADS
596 static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER; 624 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) 625 #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
598 #endif 626 #endif
599#endif 627#endif
600 628
601#if !defined(ECB_MEMORY_FENCE_ACQUIRE) && defined(ECB_MEMORY_FENCE) 629#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
602 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE 630 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
603#endif 631#endif
604 632
605#if !defined(ECB_MEMORY_FENCE_RELEASE) && defined(ECB_MEMORY_FENCE) 633#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
606 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE 634 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
607#endif 635#endif
608 636
609/*****************************************************************************/ 637/*****************************************************************************/
610 638
759 787
760 return r + ecb_ld32 (x); 788 return r + ecb_ld32 (x);
761 } 789 }
762#endif 790#endif
763 791
792ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;
793ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)
794{
795 return ( (x * 0x0802U & 0x22110U)
796 | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
797}
798
799ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const;
800ecb_function_ uint16_t ecb_bitrev16 (uint16_t x)
801{
802 x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
803 x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
804 x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
805 x = ( x >> 8 ) | ( x << 8);
806
807 return x;
808}
809
810ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const;
811ecb_function_ uint32_t ecb_bitrev32 (uint32_t x)
812{
813 x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
814 x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
815 x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
816 x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
817 x = ( x >> 16 ) | ( x << 16);
818
819 return x;
820}
821
764/* popcount64 is only available on 64 bit cpus as gcc builtin */ 822/* popcount64 is only available on 64 bit cpus as gcc builtin */
765/* so for this version we are lazy */ 823/* so for this version we are lazy */
766ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const; 824ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;
767ecb_function_ int 825ecb_function_ int
768ecb_popcount64 (uint64_t x) 826ecb_popcount64 (uint64_t x)
817 875
818#if ECB_GCC_VERSION(4,5) 876#if ECB_GCC_VERSION(4,5)
819 #define ecb_unreachable() __builtin_unreachable () 877 #define ecb_unreachable() __builtin_unreachable ()
820#else 878#else
821 /* this seems to work fine, but gcc always emits a warning for it :/ */ 879 /* this seems to work fine, but gcc always emits a warning for it :/ */
822 ecb_function_ void ecb_unreachable (void) ecb_noreturn; 880 ecb_inline void ecb_unreachable (void) ecb_noreturn;
823 ecb_function_ void ecb_unreachable (void) { } 881 ecb_inline void ecb_unreachable (void) { }
824#endif 882#endif
825 883
826/* try to tell the compiler that some condition is definitely true */ 884/* try to tell the compiler that some condition is definitely true */
827#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0) 885#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0)
828 886
829ecb_function_ unsigned char ecb_byteorder_helper (void) ecb_const; 887ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;
830ecb_function_ unsigned char 888ecb_inline unsigned char
831ecb_byteorder_helper (void) 889ecb_byteorder_helper (void)
832{ 890{
833 const uint32_t u = 0x11223344; 891 const uint32_t u = 0x11223344;
834 return *(unsigned char *)&u; 892 return *(unsigned char *)&u;
835} 893}
836 894
837ecb_function_ ecb_bool ecb_big_endian (void) ecb_const; 895ecb_inline ecb_bool ecb_big_endian (void) ecb_const;
838ecb_function_ ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; } 896ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }
839ecb_function_ ecb_bool ecb_little_endian (void) ecb_const; 897ecb_inline ecb_bool ecb_little_endian (void) ecb_const;
840ecb_function_ ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; } 898ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }
841 899
842#if ECB_GCC_VERSION(3,0) || ECB_C99 900#if ECB_GCC_VERSION(3,0) || ECB_C99
843 #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) 901 #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
844#else 902#else
845 #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) 903 #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
878 936
879#if ECB_MEMORY_FENCE_NEEDS_PTHREADS 937#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
880/* if your architecture doesn't need memory fences, e.g. because it is 938/* if your architecture doesn't need memory fences, e.g. because it is
881 * single-cpu/core, or if you use libev in a project that doesn't use libev 939 * single-cpu/core, or if you use libev in a project that doesn't use libev
882 * from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling 940 * from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling
883 * libev, in which casess the memory fences become nops. 941 * libev, in which cases the memory fences become nops.
884 * alternatively, you can remove this #error and link against libpthread, 942 * alternatively, you can remove this #error and link against libpthread,
885 * which will then provide the memory fences. 943 * which will then provide the memory fences.
886 */ 944 */
887# error "memory fences not defined for your architecture, please report" 945# error "memory fences not defined for your architecture, please report"
888#endif 946#endif
1195 #undef VAR 1253 #undef VAR
1196 }; 1254 };
1197 #include "ev_wrap.h" 1255 #include "ev_wrap.h"
1198 1256
1199 static struct ev_loop default_loop_struct; 1257 static struct ev_loop default_loop_struct;
1200 struct ev_loop *ev_default_loop_ptr; 1258 EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */
1201 1259
1202#else 1260#else
1203 1261
1204 ev_tstamp ev_rt_now; 1262 EV_API_DECL ev_tstamp ev_rt_now = 0; /* needs to be initialised to make it a definition despite extern */
1205 #define VAR(name,decl) static decl; 1263 #define VAR(name,decl) static decl;
1206 #include "ev_vars.h" 1264 #include "ev_vars.h"
1207 #undef VAR 1265 #undef VAR
1208 1266
1209 static int ev_default_loop_ptr; 1267 static int ev_default_loop_ptr;
1274#if EV_USE_NANOSLEEP 1332#if EV_USE_NANOSLEEP
1275 struct timespec ts; 1333 struct timespec ts;
1276 1334
1277 EV_TS_SET (ts, delay); 1335 EV_TS_SET (ts, delay);
1278 nanosleep (&ts, 0); 1336 nanosleep (&ts, 0);
1279#elif defined(_WIN32) 1337#elif defined _WIN32
1280 Sleep ((unsigned long)(delay * 1e3)); 1338 Sleep ((unsigned long)(delay * 1e3));
1281#else 1339#else
1282 struct timeval tv; 1340 struct timeval tv;
1283 1341
1284 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ 1342 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
1303 1361
1304 do 1362 do
1305 ncur <<= 1; 1363 ncur <<= 1;
1306 while (cnt > ncur); 1364 while (cnt > ncur);
1307 1365
1308 /* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */ 1366 /* if size is large, round to MALLOC_ROUND - 4 * longs to accommodate malloc overhead */
1309 if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) 1367 if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)
1310 { 1368 {
1311 ncur *= elem; 1369 ncur *= elem;
1312 ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1); 1370 ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1);
1313 ncur = ncur - sizeof (void *) * 4; 1371 ncur = ncur - sizeof (void *) * 4;
1817 /* win32 people keep sending patches that change this write() to send() */ 1875 /* win32 people keep sending patches that change this write() to send() */
1818 /* and then run away. but send() is wrong, it wants a socket handle on win32 */ 1876 /* and then run away. but send() is wrong, it wants a socket handle on win32 */
1819 /* so when you think this write should be a send instead, please find out */ 1877 /* so when you think this write should be a send instead, please find out */
1820 /* where your send() is from - it's definitely not the microsoft send, and */ 1878 /* where your send() is from - it's definitely not the microsoft send, and */
1821 /* tell me. thank you. */ 1879 /* tell me. thank you. */
1880 /* it might be that your problem is that your environment needs EV_USE_WSASOCKET */
1881 /* check the ev documentation on how to use this flag */
1822 write (evpipe [1], &(evpipe [1]), 1); 1882 write (evpipe [1], &(evpipe [1]), 1);
1823 } 1883 }
1824 1884
1825 errno = old_errno; 1885 errno = old_errno;
1826 } 1886 }
2993#endif 3053#endif
2994 assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ 3054 assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2995 backend_poll (EV_A_ waittime); 3055 backend_poll (EV_A_ waittime);
2996 assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ 3056 assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2997 3057
2998 pipe_write_wanted = 0; /* just an optimsiation, no fence needed */ 3058 pipe_write_wanted = 0; /* just an optimisation, no fence needed */
2999 3059
3000 if (pipe_write_skipped) 3060 if (pipe_write_skipped)
3001 { 3061 {
3002 assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); 3062 assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
3003 ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); 3063 ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
3261 3321
3262void noinline 3322void noinline
3263ev_timer_again (EV_P_ ev_timer *w) 3323ev_timer_again (EV_P_ ev_timer *w)
3264{ 3324{
3265 EV_FREQUENT_CHECK; 3325 EV_FREQUENT_CHECK;
3326
3327 clear_pending (EV_A_ (W)w);
3266 3328
3267 if (ev_is_active (w)) 3329 if (ev_is_active (w))
3268 { 3330 {
3269 if (w->repeat) 3331 if (w->repeat)
3270 { 3332 {
3679} 3741}
3680 3742
3681inline_size int 3743inline_size int
3682infy_newfd (void) 3744infy_newfd (void)
3683{ 3745{
3684#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) 3746#if defined IN_CLOEXEC && defined IN_NONBLOCK
3685 int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); 3747 int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3686 if (fd >= 0) 3748 if (fd >= 0)
3687 return fd; 3749 return fd;
3688#endif 3750#endif
3689 return inotify_init (); 3751 return inotify_init ();
4416 4478
4417#if EV_MULTIPLICITY 4479#if EV_MULTIPLICITY
4418 #include "ev_wrap.h" 4480 #include "ev_wrap.h"
4419#endif 4481#endif
4420 4482
4421EV_CPP(})
4422

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines